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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/clock')
117 files changed, 7669 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/clock/alphascale,acc.txt b/kernel/Documentation/devicetree/bindings/clock/alphascale,acc.txt new file mode 100644 index 000000000..62e67e883 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/alphascale,acc.txt @@ -0,0 +1,115 @@ +Alphascale Clock Controller + +The ACC (Alphascale Clock Controller) is responsible of choising proper +clock source, setting deviders and clock gates. + +Required properties for the ACC node: + - compatible: must be "alphascale,asm9260-clock-controller" + - reg: must contain the ACC register base and size + - #clock-cells : shall be set to 1. + +Simple one-cell clock specifier format is used, where the only cell is used +as an index of the clock inside the provider. +It is encouraged to use dt-binding for clock index definitions. SoC specific +dt-binding should be included to the device tree descriptor. For example +Alphascale ASM9260: +#include <dt-bindings/clock/alphascale,asm9260.h> + +This binding contains two types of clock providers: + _AHB_ - AHB gate; + _SYS_ - adjustable clock source. Not all peripheral have _SYS_ clock provider. +All clock specific details can be found in the SoC documentation. +CLKID_AHB_ROM 0 +CLKID_AHB_RAM 1 +CLKID_AHB_GPIO 2 +CLKID_AHB_MAC 3 +CLKID_AHB_EMI 4 +CLKID_AHB_USB0 5 +CLKID_AHB_USB1 6 +CLKID_AHB_DMA0 7 +CLKID_AHB_DMA1 8 +CLKID_AHB_UART0 9 +CLKID_AHB_UART1 10 +CLKID_AHB_UART2 11 +CLKID_AHB_UART3 12 +CLKID_AHB_UART4 13 +CLKID_AHB_UART5 14 +CLKID_AHB_UART6 15 +CLKID_AHB_UART7 16 +CLKID_AHB_UART8 17 +CLKID_AHB_UART9 18 +CLKID_AHB_I2S0 19 +CLKID_AHB_I2C0 20 +CLKID_AHB_I2C1 21 +CLKID_AHB_SSP0 22 +CLKID_AHB_IOCONFIG 23 +CLKID_AHB_WDT 24 +CLKID_AHB_CAN0 25 +CLKID_AHB_CAN1 26 +CLKID_AHB_MPWM 27 +CLKID_AHB_SPI0 28 +CLKID_AHB_SPI1 29 +CLKID_AHB_QEI 30 +CLKID_AHB_QUADSPI0 31 +CLKID_AHB_CAMIF 32 +CLKID_AHB_LCDIF 33 +CLKID_AHB_TIMER0 34 +CLKID_AHB_TIMER1 35 +CLKID_AHB_TIMER2 36 +CLKID_AHB_TIMER3 37 +CLKID_AHB_IRQ 38 +CLKID_AHB_RTC 39 +CLKID_AHB_NAND 40 +CLKID_AHB_ADC0 41 +CLKID_AHB_LED 42 +CLKID_AHB_DAC0 43 +CLKID_AHB_LCD 44 +CLKID_AHB_I2S1 45 +CLKID_AHB_MAC1 46 + +CLKID_SYS_CPU 47 +CLKID_SYS_AHB 48 +CLKID_SYS_I2S0M 49 +CLKID_SYS_I2S0S 50 +CLKID_SYS_I2S1M 51 +CLKID_SYS_I2S1S 52 +CLKID_SYS_UART0 53 +CLKID_SYS_UART1 54 +CLKID_SYS_UART2 55 +CLKID_SYS_UART3 56 +CLKID_SYS_UART4 56 +CLKID_SYS_UART5 57 +CLKID_SYS_UART6 58 +CLKID_SYS_UART7 59 +CLKID_SYS_UART8 60 +CLKID_SYS_UART9 61 +CLKID_SYS_SPI0 62 +CLKID_SYS_SPI1 63 +CLKID_SYS_QUADSPI 64 +CLKID_SYS_SSP0 65 +CLKID_SYS_NAND 66 +CLKID_SYS_TRACE 67 +CLKID_SYS_CAMM 68 +CLKID_SYS_WDT 69 +CLKID_SYS_CLKOUT 70 +CLKID_SYS_MAC 71 +CLKID_SYS_LCD 72 +CLKID_SYS_ADCANA 73 + +Example of clock consumer with _SYS_ and _AHB_ sinks. +uart4: serial@80010000 { + compatible = "alphascale,asm9260-uart"; + reg = <0x80010000 0x4000>; + clocks = <&acc CLKID_SYS_UART4>, <&acc CLKID_AHB_UART4>; + interrupts = <19>; + status = "disabled"; +}; + +Clock consumer with only one, _AHB_ sink. +timer0: timer@80088000 { + compatible = "alphascale,asm9260-timer"; + reg = <0x80088000 0x4000>; + clocks = <&acc CLKID_AHB_TIMER0>; + interrupts = <29>; +}; + diff --git a/kernel/Documentation/devicetree/bindings/clock/altr_socfpga.txt b/kernel/Documentation/devicetree/bindings/clock/altr_socfpga.txt new file mode 100644 index 000000000..f72e80e0d --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/altr_socfpga.txt @@ -0,0 +1,30 @@ +Device Tree Clock bindings for Altera's SoCFPGA platform + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of the following: + "altr,socfpga-pll-clock" - for a PLL clock + "altr,socfpga-perip-clock" - The peripheral clock divided from the + PLL clock. + "altr,socfpga-gate-clk" - Clocks that directly feed peripherals and + can get gated. + +- reg : shall be the control register offset from CLOCK_MANAGER's base for the clock. +- clocks : shall be the input parent clock phandle for the clock. This is + either an oscillator or a pll output. +- #clock-cells : from common clock binding, shall be set to 0. + +Optional properties: +- fixed-divider : If clocks have a fixed divider value, use this property. +- clk-gate : For "socfpga-gate-clk", clk-gate contains the gating register + and the bit index. +- div-reg : For "socfpga-gate-clk" and "socfpga-periph-clock", div-reg contains + the divider register, bit shift, and width. +- clk-phase : For the sdmmc_clk, contains the value of the clock phase that controls + the SDMMC CIU clock. The first value is the clk_sample(smpsel), and the second + value is the cclk_in_drv(drvsel). The clk-phase is used to enable the correct + hold/delay times that is needed for the SD/MMC CIU clock. The values of both + can be 0-315 degrees, in 45 degree increments. diff --git a/kernel/Documentation/devicetree/bindings/clock/arm-integrator.txt b/kernel/Documentation/devicetree/bindings/clock/arm-integrator.txt new file mode 100644 index 000000000..11f5f95f5 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/arm-integrator.txt @@ -0,0 +1,34 @@ +Clock bindings for ARM Integrator and Versatile Core Module clocks + +Auxiliary Oscillator Clock + +This is a configurable clock fed from a 24 MHz chrystal, +used for generating e.g. video clocks. It is located on the +core module and there is only one of these. + +This clock node *must* be a subnode of the core module, since +it obtains the base address for it's address range from its +parent node. + + +Required properties: +- compatible: must be "arm,integrator-cm-auxosc" or "arm,versatile-cm-auxosc" +- #clock-cells: must be <0> + +Optional properties: +- clocks: parent clock(s) + +Example: + +core-module@10000000 { + xtal24mhz: xtal24mhz@24M { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24000000>; + }; + auxosc: cm_aux_osc@25M { + #clock-cells = <0>; + compatible = "arm,integrator-cm-auxosc"; + clocks = <&xtal24mhz>; + }; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt b/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt new file mode 100644 index 000000000..5ba645069 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt @@ -0,0 +1,463 @@ +Device Tree Clock bindings for arch-at91 + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of the following: + "atmel,at91sam9x5-sckc": + at91 SCKC (Slow Clock Controller) + This node contains the slow clock definitions. + + "atmel,at91sam9x5-clk-slow-osc": + at91 slow oscillator + + "atmel,at91sam9x5-clk-slow-rc-osc": + at91 internal slow RC oscillator + + "atmel,at91rm9200-pmc" or + "atmel,at91sam9g45-pmc" or + "atmel,at91sam9n12-pmc" or + "atmel,at91sam9x5-pmc" or + "atmel,sama5d3-pmc": + at91 PMC (Power Management Controller) + All at91 specific clocks (clocks defined below) must be child + node of the PMC node. + + "atmel,at91sam9x5-clk-slow" (under sckc node) + or + "atmel,at91sam9260-clk-slow" (under pmc node): + at91 slow clk + + "atmel,at91rm9200-clk-main-osc" + "atmel,at91sam9x5-clk-main-rc-osc" + at91 main clk sources + + "atmel,at91sam9x5-clk-main" + "atmel,at91rm9200-clk-main": + at91 main clock + + "atmel,at91rm9200-clk-master" or + "atmel,at91sam9x5-clk-master": + at91 master clock + + "atmel,at91sam9x5-clk-peripheral" or + "atmel,at91rm9200-clk-peripheral": + at91 peripheral clocks + + "atmel,at91rm9200-clk-pll" or + "atmel,at91sam9g45-clk-pll" or + "atmel,at91sam9g20-clk-pllb" or + "atmel,sama5d3-clk-pll": + at91 pll clocks + + "atmel,at91sam9x5-clk-plldiv": + at91 plla divisor + + "atmel,at91rm9200-clk-programmable" or + "atmel,at91sam9g45-clk-programmable" or + "atmel,at91sam9x5-clk-programmable": + at91 programmable clocks + + "atmel,at91sam9x5-clk-smd": + at91 SMD (Soft Modem) clock + + "atmel,at91rm9200-clk-system": + at91 system clocks + + "atmel,at91rm9200-clk-usb" or + "atmel,at91sam9x5-clk-usb" or + "atmel,at91sam9n12-clk-usb": + at91 usb clock + + "atmel,at91sam9x5-clk-utmi": + at91 utmi clock + + "atmel,sama5d4-clk-h32mx": + at91 h32mx clock + +Required properties for SCKC node: +- reg : defines the IO memory reserved for the SCKC. +- #size-cells : shall be 0 (reg is used to encode clk id). +- #address-cells : shall be 1 (reg is used to encode clk id). + + +For example: + sckc: sckc@fffffe50 { + compatible = "atmel,sama5d3-pmc"; + reg = <0xfffffe50 0x4> + #size-cells = <0>; + #address-cells = <1>; + + /* put at91 slow clocks here */ + }; + + +Required properties for internal slow RC oscillator: +- #clock-cells : from common clock binding; shall be set to 0. +- clock-frequency : define the internal RC oscillator frequency. + +Optional properties: +- clock-accuracy : define the internal RC oscillator accuracy. + +For example: + slow_rc_osc: slow_rc_osc { + compatible = "atmel,at91sam9x5-clk-slow-rc-osc"; + clock-frequency = <32768>; + clock-accuracy = <50000000>; + }; + +Required properties for slow oscillator: +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall encode the main osc source clk sources (see atmel datasheet). + +Optional properties: +- atmel,osc-bypass : boolean property. Set this when a clock signal is directly + provided on XIN. + +For example: + slow_osc: slow_osc { + compatible = "atmel,at91rm9200-clk-slow-osc"; + #clock-cells = <0>; + clocks = <&slow_xtal>; + }; + +Required properties for slow clock: +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall encode the slow clk sources (see atmel datasheet). + +For example: + clk32k: slck { + compatible = "atmel,at91sam9x5-clk-slow"; + #clock-cells = <0>; + clocks = <&slow_rc_osc &slow_osc>; + }; + +Required properties for PMC node: +- reg : defines the IO memory reserved for the PMC. +- #size-cells : shall be 0 (reg is used to encode clk id). +- #address-cells : shall be 1 (reg is used to encode clk id). +- interrupts : shall be set to PMC interrupt line. +- interrupt-controller : tell that the PMC is an interrupt controller. +- #interrupt-cells : must be set to 1. The first cell encodes the interrupt id, + and reflect the bit position in the PMC_ER/DR/SR registers. + You can use the dt macros defined in dt-bindings/clock/at91.h. + 0 (AT91_PMC_MOSCS) -> main oscillator ready + 1 (AT91_PMC_LOCKA) -> PLL A ready + 2 (AT91_PMC_LOCKB) -> PLL B ready + 3 (AT91_PMC_MCKRDY) -> master clock ready + 6 (AT91_PMC_LOCKU) -> UTMI PLL clock ready + 8 .. 15 (AT91_PMC_PCKRDY(id)) -> programmable clock ready + 16 (AT91_PMC_MOSCSELS) -> main oscillator selected + 17 (AT91_PMC_MOSCRCS) -> RC main oscillator stabilized + 18 (AT91_PMC_CFDEV) -> clock failure detected + +For example: + pmc: pmc@fffffc00 { + compatible = "atmel,sama5d3-pmc"; + interrupts = <1 4 7>; + interrupt-controller; + #interrupt-cells = <2>; + #size-cells = <0>; + #address-cells = <1>; + + /* put at91 clocks here */ + }; + +Required properties for main clock internal RC oscillator: +- interrupt-parent : must reference the PMC node. +- interrupts : shall be set to "<0>". +- clock-frequency : define the internal RC oscillator frequency. + +Optional properties: +- clock-accuracy : define the internal RC oscillator accuracy. + +For example: + main_rc_osc: main_rc_osc { + compatible = "atmel,at91sam9x5-clk-main-rc-osc"; + interrupt-parent = <&pmc>; + interrupts = <0>; + clock-frequency = <12000000>; + clock-accuracy = <50000000>; + }; + +Required properties for main clock oscillator: +- interrupt-parent : must reference the PMC node. +- interrupts : shall be set to "<0>". +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall encode the main osc source clk sources (see atmel datasheet). + +Optional properties: +- atmel,osc-bypass : boolean property. Specified if a clock signal is provided + on XIN. + + clock signal is directly provided on XIN pin. + +For example: + main_osc: main_osc { + compatible = "atmel,at91rm9200-clk-main-osc"; + interrupt-parent = <&pmc>; + interrupts = <0>; + #clock-cells = <0>; + clocks = <&main_xtal>; + }; + +Required properties for main clock: +- interrupt-parent : must reference the PMC node. +- interrupts : shall be set to "<0>". +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall encode the main clk sources (see atmel datasheet). + +For example: + main: mainck { + compatible = "atmel,at91sam9x5-clk-main"; + interrupt-parent = <&pmc>; + interrupts = <0>; + #clock-cells = <0>; + clocks = <&main_rc_osc &main_osc>; + }; + +Required properties for master clock: +- interrupt-parent : must reference the PMC node. +- interrupts : shall be set to "<3>". +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall be the master clock sources (see atmel datasheet) phandles. + e.g. "<&ck32k>, <&main>, <&plla>, <&pllb>". +- atmel,clk-output-range : minimum and maximum clock frequency (two u32 + fields). + e.g. output = <0 133000000>; <=> 0 to 133MHz. +- atmel,clk-divisors : master clock divisors table (four u32 fields). + 0 <=> reserved value. + e.g. divisors = <1 2 4 6>; +- atmel,master-clk-have-div3-pres : some SoC use the reserved value 7 in the + PRES field as CLOCK_DIV3 (e.g sam9x5). + +For example: + mck: mck { + compatible = "atmel,at91rm9200-clk-master"; + interrupt-parent = <&pmc>; + interrupts = <3>; + #clock-cells = <0>; + atmel,clk-output-range = <0 133000000>; + atmel,clk-divisors = <1 2 4 0>; + }; + +Required properties for peripheral clocks: +- #size-cells : shall be 0 (reg is used to encode clk id). +- #address-cells : shall be 1 (reg is used to encode clk id). +- clocks : shall be the master clock phandle. + e.g. clocks = <&mck>; +- name: device tree node describing a specific peripheral clock. + * #clock-cells : from common clock binding; shall be set to 0. + * reg: peripheral id. See Atmel's datasheets to get a full + list of peripheral ids. + * atmel,clk-output-range : minimum and maximum clock frequency + (two u32 fields). Only valid on at91sam9x5-clk-peripheral + compatible IPs. + +For example: + periph: periphck { + compatible = "atmel,at91sam9x5-clk-peripheral"; + #size-cells = <0>; + #address-cells = <1>; + clocks = <&mck>; + + ssc0_clk { + #clock-cells = <0>; + reg = <2>; + atmel,clk-output-range = <0 133000000>; + }; + + usart0_clk { + #clock-cells = <0>; + reg = <3>; + atmel,clk-output-range = <0 66000000>; + }; + }; + + +Required properties for pll clocks: +- interrupt-parent : must reference the PMC node. +- interrupts : shall be set to "<1>". +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall be the main clock phandle. +- reg : pll id. + 0 -> PLL A + 1 -> PLL B +- atmel,clk-input-range : minimum and maximum source clock frequency (two u32 + fields). + e.g. input = <1 32000000>; <=> 1 to 32MHz. +- #atmel,pll-clk-output-range-cells : number of cells reserved for pll output + range description. Sould be set to 2, 3 + or 4. + * 1st and 2nd cells represent the frequency range (min-max). + * 3rd cell is optional and represents the OUT field value for the given + range. + * 4th cell is optional and represents the ICPLL field (PLLICPR + register) +- atmel,pll-clk-output-ranges : pll output frequency ranges + optional parameter + depending on #atmel,pll-output-range-cells + property value. + +For example: + plla: pllack { + compatible = "atmel,at91sam9g45-clk-pll"; + interrupt-parent = <&pmc>; + interrupts = <1>; + #clock-cells = <0>; + clocks = <&main>; + reg = <0>; + atmel,clk-input-range = <2000000 32000000>; + #atmel,pll-clk-output-range-cells = <4>; + atmel,pll-clk-output-ranges = <74500000 800000000 0 0 + 69500000 750000000 1 0 + 64500000 700000000 2 0 + 59500000 650000000 3 0 + 54500000 600000000 0 1 + 49500000 550000000 1 1 + 44500000 500000000 2 1 + 40000000 450000000 3 1>; + }; + +Required properties for plldiv clocks (plldiv = pll / 2): +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall be the plla clock phandle. + +The pll divisor is equal to 2 and cannot be changed. + +For example: + plladiv: plladivck { + compatible = "atmel,at91sam9x5-clk-plldiv"; + #clock-cells = <0>; + clocks = <&plla>; + }; + +Required properties for programmable clocks: +- interrupt-parent : must reference the PMC node. +- #size-cells : shall be 0 (reg is used to encode clk id). +- #address-cells : shall be 1 (reg is used to encode clk id). +- clocks : shall be the programmable clock source phandles. + e.g. clocks = <&clk32k>, <&main>, <&plla>, <&pllb>; +- name: device tree node describing a specific prog clock. + * #clock-cells : from common clock binding; shall be set to 0. + * reg : programmable clock id (register offset from PCKx + register). + * interrupts : shall be set to "<(8 + id)>". + +For example: + prog: progck { + compatible = "atmel,at91sam9g45-clk-programmable"; + #size-cells = <0>; + #address-cells = <1>; + interrupt-parent = <&pmc>; + clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>, <&mck>; + + prog0 { + #clock-cells = <0>; + reg = <0>; + interrupts = <8>; + }; + + prog1 { + #clock-cells = <0>; + reg = <1>; + interrupts = <9>; + }; + }; + + +Required properties for smd clock: +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall be the smd clock source phandles. + e.g. clocks = <&plladiv>, <&utmi>; + +For example: + smd: smdck { + compatible = "atmel,at91sam9x5-clk-smd"; + #clock-cells = <0>; + clocks = <&plladiv>, <&utmi>; + }; + +Required properties for system clocks: +- #size-cells : shall be 0 (reg is used to encode clk id). +- #address-cells : shall be 1 (reg is used to encode clk id). +- name: device tree node describing a specific system clock. + * #clock-cells : from common clock binding; shall be set to 0. + * reg: system clock id (bit position in SCER/SCDR/SCSR registers). + See Atmel's datasheet to get a full list of system clock ids. + +For example: + system: systemck { + compatible = "atmel,at91rm9200-clk-system"; + #address-cells = <1>; + #size-cells = <0>; + + ddrck { + #clock-cells = <0>; + reg = <2>; + clocks = <&mck>; + }; + + uhpck { + #clock-cells = <0>; + reg = <6>; + clocks = <&usb>; + }; + + udpck { + #clock-cells = <0>; + reg = <7>; + clocks = <&usb>; + }; + }; + + +Required properties for usb clock: +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall be the smd clock source phandles. + e.g. clocks = <&pllb>; +- atmel,clk-divisors (only available for "atmel,at91rm9200-clk-usb"): + usb clock divisor table. + e.g. divisors = <1 2 4 0>; + +For example: + usb: usbck { + compatible = "atmel,at91sam9x5-clk-usb"; + #clock-cells = <0>; + clocks = <&plladiv>, <&utmi>; + }; + + usb: usbck { + compatible = "atmel,at91rm9200-clk-usb"; + #clock-cells = <0>; + clocks = <&pllb>; + atmel,clk-divisors = <1 2 4 0>; + }; + + +Required properties for utmi clock: +- interrupt-parent : must reference the PMC node. +- interrupts : shall be set to "<AT91_PMC_LOCKU IRQ_TYPE_LEVEL_HIGH>". +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall be the main clock source phandle. + +For example: + utmi: utmick { + compatible = "atmel,at91sam9x5-clk-utmi"; + interrupt-parent = <&pmc>; + interrupts = <AT91_PMC_LOCKU IRQ_TYPE_LEVEL_HIGH>; + #clock-cells = <0>; + clocks = <&main>; + }; + +Required properties for 32 bits bus Matrix clock (h32mx clock): +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall be the master clock source phandle. + +For example: + h32ck: h32mxck { + #clock-cells = <0>; + compatible = "atmel,sama5d4-clk-h32mx"; + clocks = <&mck>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/axi-clkgen.txt b/kernel/Documentation/devicetree/bindings/clock/axi-clkgen.txt new file mode 100644 index 000000000..20e1704e7 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/axi-clkgen.txt @@ -0,0 +1,22 @@ +Binding for the axi-clkgen clock generator + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "adi,axi-clkgen-1.00.a" or "adi,axi-clkgen-2.00.a". +- #clock-cells : from common clock binding; Should always be set to 0. +- reg : Address and length of the axi-clkgen register set. +- clocks : Phandle and clock specifier for the parent clock. + +Optional properties: +- clock-output-names : From common clock binding. + +Example: + clock@0xff000000 { + compatible = "adi,axi-clkgen"; + #clock-cells = <0>; + reg = <0xff000000 0x1000>; + clocks = <&osc 1>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt b/kernel/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt new file mode 100644 index 000000000..00d26edec --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt @@ -0,0 +1,34 @@ +Broadcom Cygnus Clocks + +This binding uses the common clock binding: +Documentation/devicetree/bindings/clock/clock-bindings.txt + +Currently various "fixed" clocks are declared for peripheral drivers that use +the common clock framework to reference their core clocks. Proper support of +these clocks will be added later + +Device tree example: + + clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + osc: oscillator { + compatible = "fixed-clock"; + #clock-cells = <1>; + clock-frequency = <25000000>; + }; + + apb_clk: apb_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <1000000000>; + }; + + periph_clk: periph_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <500000000>; + }; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/brcm,kona-ccu.txt b/kernel/Documentation/devicetree/bindings/clock/brcm,kona-ccu.txt new file mode 100644 index 000000000..5286e260f --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/brcm,kona-ccu.txt @@ -0,0 +1,139 @@ +Broadcom Kona Family Clocks + +This binding is associated with Broadcom SoCs having "Kona" style +clock control units (CCUs). A CCU is a clock provider that manages +a set of clock signals. Each CCU is represented by a node in the +device tree. + +This binding uses the common clock binding: + Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible + Shall have a value of the form "brcm,<model>-<which>-ccu", + where <model> is a Broadcom SoC model number and <which> is + the name of a defined CCU. For example: + "brcm,bcm11351-root-ccu" + The compatible strings used for each supported SoC family + are defined below. +- reg + Shall define the base and range of the address space + containing clock control registers +- #clock-cells + Shall have value <1>. The permitted clock-specifier values + are defined below. +- clock-output-names + Shall be an ordered list of strings defining the names of + the clocks provided by the CCU. + +Device tree example: + + slave_ccu: slave_ccu { + compatible = "brcm,bcm11351-slave-ccu"; + reg = <0x3e011000 0x0f00>; + #clock-cells = <1>; + clock-output-names = "uartb", + "uartb2", + "uartb3", + "uartb4"; + }; + + ref_crystal_clk: ref_crystal { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <26000000>; + }; + + uart@3e002000 { + compatible = "brcm,bcm11351-dw-apb-uart", "snps,dw-apb-uart"; + status = "disabled"; + reg = <0x3e002000 0x1000>; + clocks = <&slave_ccu BCM281XX_SLAVE_CCU_UARTB3>; + interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + }; + +BCM281XX family +--------------- +CCU compatible string values for SoCs in the BCM281XX family are: + "brcm,bcm11351-root-ccu" + "brcm,bcm11351-aon-ccu" + "brcm,bcm11351-hub-ccu" + "brcm,bcm11351-master-ccu" + "brcm,bcm11351-slave-ccu" + +The following table defines the set of CCUs and clock specifiers for +BCM281XX family clocks. When a clock consumer references a clocks, +its symbolic specifier (rather than its numeric index value) should +be used. These specifiers are defined in: + "include/dt-bindings/clock/bcm281xx.h" + + CCU Clock Type Index Specifier + --- ----- ---- ----- --------- + root frac_1m peri 0 BCM281XX_ROOT_CCU_FRAC_1M + + aon hub_timer peri 0 BCM281XX_AON_CCU_HUB_TIMER + aon pmu_bsc peri 1 BCM281XX_AON_CCU_PMU_BSC + aon pmu_bsc_var peri 2 BCM281XX_AON_CCU_PMU_BSC_VAR + + hub tmon_1m peri 0 BCM281XX_HUB_CCU_TMON_1M + + master sdio1 peri 0 BCM281XX_MASTER_CCU_SDIO1 + master sdio2 peri 1 BCM281XX_MASTER_CCU_SDIO2 + master sdio3 peri 2 BCM281XX_MASTER_CCU_SDIO3 + master sdio4 peri 3 BCM281XX_MASTER_CCU_SDIO4 + master dmac peri 4 BCM281XX_MASTER_CCU_DMAC + master usb_ic peri 5 BCM281XX_MASTER_CCU_USB_IC + master hsic2_48m peri 6 BCM281XX_MASTER_CCU_HSIC_48M + master hsic2_12m peri 7 BCM281XX_MASTER_CCU_HSIC_12M + + slave uartb peri 0 BCM281XX_SLAVE_CCU_UARTB + slave uartb2 peri 1 BCM281XX_SLAVE_CCU_UARTB2 + slave uartb3 peri 2 BCM281XX_SLAVE_CCU_UARTB3 + slave uartb4 peri 3 BCM281XX_SLAVE_CCU_UARTB4 + slave ssp0 peri 4 BCM281XX_SLAVE_CCU_SSP0 + slave ssp2 peri 5 BCM281XX_SLAVE_CCU_SSP2 + slave bsc1 peri 6 BCM281XX_SLAVE_CCU_BSC1 + slave bsc2 peri 7 BCM281XX_SLAVE_CCU_BSC2 + slave bsc3 peri 8 BCM281XX_SLAVE_CCU_BSC3 + slave pwm peri 9 BCM281XX_SLAVE_CCU_PWM + + +BCM21664 family +--------------- +CCU compatible string values for SoCs in the BCM21664 family are: + "brcm,bcm21664-root-ccu" + "brcm,bcm21664-aon-ccu" + "brcm,bcm21664-master-ccu" + "brcm,bcm21664-slave-ccu" + +The following table defines the set of CCUs and clock specifiers for +BCM21664 family clocks. When a clock consumer references a clocks, +its symbolic specifier (rather than its numeric index value) should +be used. These specifiers are defined in: + "include/dt-bindings/clock/bcm21664.h" + + CCU Clock Type Index Specifier + --- ----- ---- ----- --------- + root frac_1m peri 0 BCM21664_ROOT_CCU_FRAC_1M + + aon hub_timer peri 0 BCM21664_AON_CCU_HUB_TIMER + + master sdio1 peri 0 BCM21664_MASTER_CCU_SDIO1 + master sdio2 peri 1 BCM21664_MASTER_CCU_SDIO2 + master sdio3 peri 2 BCM21664_MASTER_CCU_SDIO3 + master sdio4 peri 3 BCM21664_MASTER_CCU_SDIO4 + master sdio1_sleep peri 4 BCM21664_MASTER_CCU_SDIO1_SLEEP + master sdio2_sleep peri 5 BCM21664_MASTER_CCU_SDIO2_SLEEP + master sdio3_sleep peri 6 BCM21664_MASTER_CCU_SDIO3_SLEEP + master sdio4_sleep peri 7 BCM21664_MASTER_CCU_SDIO4_SLEEP + + slave uartb peri 0 BCM21664_SLAVE_CCU_UARTB + slave uartb2 peri 1 BCM21664_SLAVE_CCU_UARTB2 + slave uartb3 peri 2 BCM21664_SLAVE_CCU_UARTB3 + slave uartb4 peri 3 BCM21664_SLAVE_CCU_UARTB4 + slave bsc1 peri 4 BCM21664_SLAVE_CCU_BSC1 + slave bsc2 peri 5 BCM21664_SLAVE_CCU_BSC2 + slave bsc3 peri 6 BCM21664_SLAVE_CCU_BSC3 + slave bsc4 peri 7 BCM21664_SLAVE_CCU_BSC4 diff --git a/kernel/Documentation/devicetree/bindings/clock/calxeda.txt b/kernel/Documentation/devicetree/bindings/clock/calxeda.txt new file mode 100644 index 000000000..0a6ac1bdc --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/calxeda.txt @@ -0,0 +1,17 @@ +Device Tree Clock bindings for Calxeda highbank platform + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of the following: + "calxeda,hb-pll-clock" - for a PLL clock + "calxeda,hb-a9periph-clock" - The A9 peripheral clock divided from the + A9 clock. + "calxeda,hb-a9bus-clock" - The A9 bus clock divided from the A9 clock. + "calxeda,hb-emmc-clock" - Divided clock for MMC/SD controller. +- reg : shall be the control register offset from SYSREGs base for the clock. +- clocks : shall be the input parent clock phandle for the clock. This is + either an oscillator or a pll output. +- #clock-cells : from common clock binding; shall be set to 0. diff --git a/kernel/Documentation/devicetree/bindings/clock/clk-exynos-audss.txt b/kernel/Documentation/devicetree/bindings/clock/clk-exynos-audss.txt new file mode 100644 index 000000000..180e88355 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/clk-exynos-audss.txt @@ -0,0 +1,95 @@ +* Samsung Audio Subsystem Clock Controller + +The Samsung Audio Subsystem clock controller generates and supplies clocks +to Audio Subsystem block available in the S5PV210 and Exynos SoCs. The clock +binding described here is applicable to all SoCs in Exynos family. + +Required Properties: + +- compatible: should be one of the following: + - "samsung,exynos4210-audss-clock" - controller compatible with all Exynos4 SoCs. + - "samsung,exynos5250-audss-clock" - controller compatible with Exynos5250 + SoCs. + - "samsung,exynos5420-audss-clock" - controller compatible with Exynos5420 + SoCs. +- reg: physical base address and length of the controller's register set. + +- #clock-cells: should be 1. + +- clocks: + - pll_ref: Fixed rate PLL reference clock, parent of mout_audss. "fin_pll" + is used if not specified. + - pll_in: Input PLL to the AudioSS block, parent of mout_audss. "fout_epll" + is used if not specified. + - cdclk: External i2s clock, parent of mout_i2s. "cdclk0" is used if not + specified. + - sclk_audio: Audio bus clock, parent of mout_i2s. "sclk_audio0" is used if + not specified. + - sclk_pcm_in: PCM clock, parent of sclk_pcm. "sclk_pcm0" is used if not + specified. + +- clock-names: Aliases for the above clocks. They should be "pll_ref", + "pll_in", "cdclk", "sclk_audio", and "sclk_pcm_in" respectively. + +The following is the list of clocks generated by the controller. Each clock is +assigned an identifier and client nodes use this identifier to specify the +clock which they consume. Some of the clocks are available only on a particular +Exynos4 SoC and this is specified where applicable. + +Provided clocks: + +Clock ID SoC (if specific) +----------------------------------------------- + +mout_audss 0 +mout_i2s 1 +dout_srp 2 +dout_aud_bus 3 +dout_i2s 4 +srp_clk 5 +i2s_bus 6 +sclk_i2s 7 +pcm_bus 8 +sclk_pcm 9 +adma 10 Exynos5420 + +Example 1: An example of a clock controller node using the default input + clock names is listed below. + +clock_audss: audss-clock-controller@3810000 { + compatible = "samsung,exynos5250-audss-clock"; + reg = <0x03810000 0x0C>; + #clock-cells = <1>; +}; + +Example 2: An example of a clock controller node with the input clocks + specified. + +clock_audss: audss-clock-controller@3810000 { + compatible = "samsung,exynos5250-audss-clock"; + reg = <0x03810000 0x0C>; + #clock-cells = <1>; + clocks = <&clock 1>, <&clock 7>, <&clock 138>, <&clock 160>, + <&ext_i2s_clk>; + clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in", "cdclk"; +}; + +Example 3: I2S controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + +i2s0: i2s@03830000 { + compatible = "samsung,i2s-v5"; + reg = <0x03830000 0x100>; + dmas = <&pdma0 10 + &pdma0 9 + &pdma0 8>; + dma-names = "tx", "rx", "tx-sec"; + clocks = <&clock_audss EXYNOS_I2S_BUS>, + <&clock_audss EXYNOS_I2S_BUS>, + <&clock_audss EXYNOS_SCLK_I2S>, + <&clock_audss EXYNOS_MOUT_AUDSS>, + <&clock_audss EXYNOS_MOUT_I2S>; + clock-names = "iis", "i2s_opclk0", "i2s_opclk1", + "mout_audss", "mout_i2s"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/clk-palmas-clk32kg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/clk-palmas-clk32kg-clocks.txt new file mode 100644 index 000000000..4208886d8 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/clk-palmas-clk32kg-clocks.txt @@ -0,0 +1,35 @@ +* Palmas 32KHz clocks * + +Palmas device has two clock output pins for 32KHz, KG and KG_AUDIO. + +This binding uses the common clock binding ./clock-bindings.txt. + +Required properties: +- compatible : "ti,palmas-clk32kg" for clk32kg clock + "ti,palmas-clk32kgaudio" for clk32kgaudio clock +- #clock-cells : shall be set to 0. + +Optional property: +- ti,external-sleep-control: The external enable input pins controlled the + enable/disable of clocks. The external enable input pins ENABLE1, + ENABLE2 and NSLEEP. The valid values for the external pins are: + PALMAS_EXT_CONTROL_PIN_ENABLE1 for ENABLE1 pin + PALMAS_EXT_CONTROL_PIN_ENABLE2 for ENABLE2 pin + PALMAS_EXT_CONTROL_PIN_NSLEEP for NSLEEP pin + Option 0 or missing this property means the clock is enabled/disabled + via register access and these pins do not have any control. + The macros of external control pins for DTS is defined at + dt-bindings/mfd/palmas.h + +Example: + #include <dt-bindings/mfd/palmas.h> + ... + palmas: tps65913@58 { + ... + clk32kg: palmas_clk32k@0 { + compatible = "ti,palmas-clk32kg"; + #clock-cells = <0>; + ti,external-sleep-control = <PALMAS_EXT_CONTROL_PIN_NSLEEP>; + }; + ... + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt b/kernel/Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt new file mode 100644 index 000000000..4fc869b69 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt @@ -0,0 +1,53 @@ +* Samsung Audio Subsystem Clock Controller + +The Samsung Audio Subsystem clock controller generates and supplies clocks +to Audio Subsystem block available in the S5PV210 and compatible SoCs. + +Required Properties: + +- compatible: should be "samsung,s5pv210-audss-clock". +- reg: physical base address and length of the controller's register set. + +- #clock-cells: should be 1. + +- clocks: + - hclk: AHB bus clock of the Audio Subsystem. + - xxti: Optional fixed rate PLL reference clock, parent of mout_audss. If + not specified (i.e. xusbxti is used for PLL reference), it is fixed to + a clock named "xxti". + - fout_epll: Input PLL to the AudioSS block, parent of mout_audss. + - iiscdclk0: Optional external i2s clock, parent of mout_i2s. If not + specified, it is fixed to a clock named "iiscdclk0". + - sclk_audio0: Audio bus clock, parent of mout_i2s. + +- clock-names: Aliases for the above clocks. They should be "hclk", + "xxti", "fout_epll", "iiscdclk0", and "sclk_audio0" respectively. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/s5pv210-audss-clk.h header and can be used in device +tree sources. + +Example: Clock controller node. + + clk_audss: clock-controller@c0900000 { + compatible = "samsung,s5pv210-audss-clock"; + reg = <0xc0900000 0x1000>; + #clock-cells = <1>; + clock-names = "hclk", "xxti", + "fout_epll", "sclk_audio0"; + clocks = <&clocks DOUT_HCLKP>, <&xxti>, + <&clocks FOUT_EPLL>, <&clocks SCLK_AUDIO0>; + }; + +Example: I2S controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + + i2s0: i2s@03830000 { + /* ... */ + clock-names = "iis", "i2s_opclk0", + "i2s_opclk1"; + clocks = <&clk_audss CLK_I2S>, <&clk_audss CLK_I2S>, + <&clk_audss CLK_DOUT_AUD_BUS>; + /* ... */ + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/clock-bindings.txt b/kernel/Documentation/devicetree/bindings/clock/clock-bindings.txt new file mode 100644 index 000000000..06fc6d541 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/clock-bindings.txt @@ -0,0 +1,169 @@ +This binding is a work-in-progress, and are based on some experimental +work by benh[1]. + +Sources of clock signal can be represented by any node in the device +tree. Those nodes are designated as clock providers. Clock consumer +nodes use a phandle and clock specifier pair to connect clock provider +outputs to clock inputs. Similar to the gpio specifiers, a clock +specifier is an array of zero, one or more cells identifying the clock +output on a device. The length of a clock specifier is defined by the +value of a #clock-cells property in the clock provider node. + +[1] http://patchwork.ozlabs.org/patch/31551/ + +==Clock providers== + +Required properties: +#clock-cells: Number of cells in a clock specifier; Typically 0 for nodes + with a single clock output and 1 for nodes with multiple + clock outputs. + +Optional properties: +clock-output-names: Recommended to be a list of strings of clock output signal + names indexed by the first cell in the clock specifier. + However, the meaning of clock-output-names is domain + specific to the clock provider, and is only provided to + encourage using the same meaning for the majority of clock + providers. This format may not work for clock providers + using a complex clock specifier format. In those cases it + is recommended to omit this property and create a binding + specific names property. + + Clock consumer nodes must never directly reference + the provider's clock-output-names property. + +For example: + + oscillator { + #clock-cells = <1>; + clock-output-names = "ckil", "ckih"; + }; + +- this node defines a device with two clock outputs, the first named + "ckil" and the second named "ckih". Consumer nodes always reference + clocks by index. The names should reflect the clock output signal + names for the device. + +clock-indices: If the identifying number for the clocks in the node + is not linear from zero, then this allows the mapping of + identifiers into the clock-output-names array. + +For example, if we have two clocks <&oscillator 1> and <&oscillator 3>: + + oscillator { + compatible = "myclocktype"; + #clock-cells = <1>; + clock-indices = <1>, <3>; + clock-output-names = "clka", "clkb"; + } + + This ensures we do not have any empty strings in clock-output-names + + +==Clock consumers== + +Required properties: +clocks: List of phandle and clock specifier pairs, one pair + for each clock input to the device. Note: if the + clock provider specifies '0' for #clock-cells, then + only the phandle portion of the pair will appear. + +Optional properties: +clock-names: List of clock input name strings sorted in the same + order as the clocks property. Consumers drivers + will use clock-names to match clock input names + with clocks specifiers. +clock-ranges: Empty property indicating that child nodes can inherit named + clocks from this node. Useful for bus nodes to provide a + clock to their children. + +For example: + + device { + clocks = <&osc 1>, <&ref 0>; + clock-names = "baud", "register"; + }; + + +This represents a device with two clock inputs, named "baud" and "register". +The baud clock is connected to output 1 of the &osc device, and the register +clock is connected to output 0 of the &ref. + +==Example== + + /* external oscillator */ + osc: oscillator { + compatible = "fixed-clock"; + #clock-cells = <1>; + clock-frequency = <32678>; + clock-output-names = "osc"; + }; + + /* phase-locked-loop device, generates a higher frequency clock + * from the external oscillator reference */ + pll: pll@4c000 { + compatible = "vendor,some-pll-interface" + #clock-cells = <1>; + clocks = <&osc 0>; + clock-names = "ref"; + reg = <0x4c000 0x1000>; + clock-output-names = "pll", "pll-switched"; + }; + + /* UART, using the low frequency oscillator for the baud clock, + * and the high frequency switched PLL output for register + * clocking */ + uart@a000 { + compatible = "fsl,imx-uart"; + reg = <0xa000 0x1000>; + interrupts = <33>; + clocks = <&osc 0>, <&pll 1>; + clock-names = "baud", "register"; + }; + +This DT fragment defines three devices: an external oscillator to provide a +low-frequency reference clock, a PLL device to generate a higher frequency +clock signal, and a UART. + +* The oscillator is fixed-frequency, and provides one clock output, named "osc". +* The PLL is both a clock provider and a clock consumer. It uses the clock + signal generated by the external oscillator, and provides two output signals + ("pll" and "pll-switched"). +* The UART has its baud clock connected the external oscillator and its + register clock connected to the PLL clock (the "pll-switched" signal) + +==Assigned clock parents and rates== + +Some platforms may require initial configuration of default parent clocks +and clock frequencies. Such a configuration can be specified in a device tree +node through assigned-clocks, assigned-clock-parents and assigned-clock-rates +properties. The assigned-clock-parents property should contain a list of parent +clocks in form of phandle and clock specifier pairs, the assigned-clock-parents +property the list of assigned clock frequency values - corresponding to clocks +listed in the assigned-clocks property. + +To skip setting parent or rate of a clock its corresponding entry should be +set to 0, or can be omitted if it is not followed by any non-zero entry. + + uart@a000 { + compatible = "fsl,imx-uart"; + reg = <0xa000 0x1000>; + ... + clocks = <&osc 0>, <&pll 1>; + clock-names = "baud", "register"; + + assigned-clocks = <&clkcon 0>, <&pll 2>; + assigned-clock-parents = <&pll 2>; + assigned-clock-rates = <0>, <460800>; + }; + +In this example the <&pll 2> clock is set as parent of clock <&clkcon 0> and +the <&pll 2> clock is assigned a frequency value of 460800 Hz. + +Configuring a clock's parent and rate through the device node that consumes +the clock can be done only for clocks that have a single user. Specifying +conflicting parent or rate configuration in multiple consumer nodes for +a shared clock is forbidden. + +Configuration of common clocks, which affect multiple consumer devices can +be similarly specified in the clock provider node. diff --git a/kernel/Documentation/devicetree/bindings/clock/clps711x-clock.txt b/kernel/Documentation/devicetree/bindings/clock/clps711x-clock.txt new file mode 100644 index 000000000..ce5a7476f --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/clps711x-clock.txt @@ -0,0 +1,19 @@ +* Clock bindings for the Cirrus Logic CLPS711X CPUs + +Required properties: +- compatible : Shall contain "cirrus,clps711x-clk". +- reg : Address of the internal register set. +- startup-frequency: Factory set CPU startup frequency in HZ. +- #clock-cells : Should be <1>. + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/clps711x-clock.h +for the full list of CLPS711X clock IDs. + +Example: + clks: clks@80000000 { + #clock-cells = <1>; + compatible = "cirrus,ep7312-clk", "cirrus,clps711x-clk"; + reg = <0x80000000 0xc000>; + startup-frequency = <73728000>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/efm32-clock.txt b/kernel/Documentation/devicetree/bindings/clock/efm32-clock.txt new file mode 100644 index 000000000..263d293f6 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/efm32-clock.txt @@ -0,0 +1,11 @@ +* Clock bindings for Energy Micro efm32 Giant Gecko's Clock Management Unit + +Required properties: +- compatible: Should be "efm32gg,cmu" +- reg: Base address and length of the register set +- interrupts: Interrupt used by the CMU +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock ID in +its "clocks" phandle cell. The header efm32-clk.h contains a list of available +IDs. diff --git a/kernel/Documentation/devicetree/bindings/clock/emev2-clock.txt b/kernel/Documentation/devicetree/bindings/clock/emev2-clock.txt new file mode 100644 index 000000000..60bbb1a8c --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/emev2-clock.txt @@ -0,0 +1,98 @@ +Device tree Clock bindings for Renesas EMMA Mobile EV2 + +This binding uses the common clock binding. + +* SMU +System Management Unit described in user's manual R19UH0037EJ1000_SMU. +This is not a clock provider, but clocks under SMU depend on it. + +Required properties: +- compatible: Should be "renesas,emev2-smu" +- reg: Address and Size of SMU registers + +* SMU_CLKDIV +Function block with an input mux and a divider, which corresponds to +"Serial clock generator" in fig."Clock System Overview" of the manual, +and "xxx frequency division setting register" (XXXCLKDIV) registers. +This makes internal (neither input nor output) clock that is provided +to input of xxxGCLK block. + +Required properties: +- compatible: Should be "renesas,emev2-smu-clkdiv" +- reg: Byte offset from SMU base and Bit position in the register +- clocks: Parent clocks. Input clocks as described in clock-bindings.txt +- #clock-cells: Should be <0> + +* SMU_GCLK +Clock gating node shown as "Clock stop processing block" in the +fig."Clock System Overview" of the manual. +Registers are "xxx clock gate control register" (XXXGCLKCTRL). + +Required properties: +- compatible: Should be "renesas,emev2-smu-gclk" +- reg: Byte offset from SMU base and Bit position in the register +- clocks: Input clock as described in clock-bindings.txt +- #clock-cells: Should be <0> + +Example of provider: + +usia_u0_sclkdiv: usia_u0_sclkdiv { + compatible = "renesas,emev2-smu-clkdiv"; + reg = <0x610 0>; + clocks = <&pll3_fo>, <&pll4_fo>, <&pll1_fo>, <&osc1_fo>; + #clock-cells = <0>; +}; + +usia_u0_sclk: usia_u0_sclk { + compatible = "renesas,emev2-smu-gclk"; + reg = <0x4a0 1>; + clocks = <&usia_u0_sclkdiv>; + #clock-cells = <0>; +}; + +Example of consumer: + +uart@e1020000 { + compatible = "renesas,em-uart"; + reg = <0xe1020000 0x38>; + interrupts = <0 8 0>; + clocks = <&usia_u0_sclk>; + clock-names = "sclk"; +}; + +Example of clock-tree description: + + This describes a clock path in the clock tree + c32ki -> pll3_fo -> usia_u0_sclkdiv -> usia_u0_sclk + +smu@e0110000 { + compatible = "renesas,emev2-smu"; + reg = <0xe0110000 0x10000>; + #address-cells = <2>; + #size-cells = <0>; + + c32ki: c32ki { + compatible = "fixed-clock"; + clock-frequency = <32768>; + #clock-cells = <0>; + }; + pll3_fo: pll3_fo { + compatible = "fixed-factor-clock"; + clocks = <&c32ki>; + clock-div = <1>; + clock-mult = <7000>; + #clock-cells = <0>; + }; + usia_u0_sclkdiv: usia_u0_sclkdiv { + compatible = "renesas,emev2-smu-clkdiv"; + reg = <0x610 0>; + clocks = <&pll3_fo>; + #clock-cells = <0>; + }; + usia_u0_sclk: usia_u0_sclk { + compatible = "renesas,emev2-smu-gclk"; + reg = <0x4a0 1>; + clocks = <&usia_u0_sclkdiv>; + #clock-cells = <0>; + }; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos3250-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos3250-clock.txt new file mode 100644 index 000000000..f1738b88c --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos3250-clock.txt @@ -0,0 +1,57 @@ +* Samsung Exynos3250 Clock Controller + +The Exynos3250 clock controller generates and supplies clock to various +controllers within the Exynos3250 SoC. + +Required Properties: + +- compatible: should be one of the following. + - "samsung,exynos3250-cmu" - controller compatible with Exynos3250 SoC. + - "samsung,exynos3250-cmu-dmc" - controller compatible with + Exynos3250 SoC for Dynamic Memory Controller domain. + - "samsung,exynos3250-cmu-isp" - ISP block clock controller compatible + with Exynos3250 SOC + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos3250.h header and can be used in device +tree sources. + +Example 1: Examples of clock controller nodes are listed below. + + cmu: clock-controller@10030000 { + compatible = "samsung,exynos3250-cmu"; + reg = <0x10030000 0x20000>; + #clock-cells = <1>; + }; + + cmu_dmc: clock-controller@105C0000 { + compatible = "samsung,exynos3250-cmu-dmc"; + reg = <0x105C0000 0x2000>; + #clock-cells = <1>; + }; + + cmu_isp: clock-controller@10048000 { + compatible = "samsung,exynos3250-cmu-isp"; + reg = <0x10048000 0x1000>; + #clock-cells = <1>; + }; + +Example 2: UART controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + + serial@13800000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13800000 0x100>; + interrupts = <0 109 0>; + clocks = <&cmu CLK_UART0>, <&cmu CLK_SCLK_UART0>; + clock-names = "uart", "clk_uart_baud0"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos4-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos4-clock.txt new file mode 100644 index 000000000..f5a5b19ed --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos4-clock.txt @@ -0,0 +1,43 @@ +* Samsung Exynos4 Clock Controller + +The Exynos4 clock controller generates and supplies clock to various controllers +within the Exynos4 SoC. The clock binding described here is applicable to all +SoC's in the Exynos4 family. + +Required Properties: + +- compatible: should be one of the following. + - "samsung,exynos4210-clock" - controller compatible with Exynos4210 SoC. + - "samsung,exynos4412-clock" - controller compatible with Exynos4412 SoC. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos4.h header and can be used in device +tree sources. + +Example 1: An example of a clock controller node is listed below. + + clock: clock-controller@0x10030000 { + compatible = "samsung,exynos4210-clock"; + reg = <0x10030000 0x20000>; + #clock-cells = <1>; + }; + +Example 2: UART controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + + serial@13820000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13820000 0x100>; + interrupts = <0 54 0>; + clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>; + clock-names = "uart", "clk_uart_baud0"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos4415-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos4415-clock.txt new file mode 100644 index 000000000..847d98bae --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos4415-clock.txt @@ -0,0 +1,38 @@ +* Samsung Exynos4415 Clock Controller + +The Exynos4415 clock controller generates and supplies clock to various +consumer devices within the Exynos4415 SoC. + +Required properties: + +- compatible: should be one of the following: + - "samsung,exynos4415-cmu" - for the main system clocks controller + (CMU_LEFTBUS, CMU_RIGHTBUS, CMU_TOP, CMU_CPU clock domains). + - "samsung,exynos4415-cmu-dmc" - for the Exynos4415 SoC DRAM Memory + Controller (DMC) domain clock controller. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos4415.h header and can be used in device +tree sources. + +Example 1: An example of a clock controller node is listed below. + + cmu: clock-controller@10030000 { + compatible = "samsung,exynos4415-cmu"; + reg = <0x10030000 0x18000>; + #clock-cells = <1>; + }; + + cmu-dmc: clock-controller@105C0000 { + compatible = "samsung,exynos4415-cmu-dmc"; + reg = <0x105C0000 0x3000>; + #clock-cells = <1>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos5250-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos5250-clock.txt new file mode 100644 index 000000000..536eacd10 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos5250-clock.txt @@ -0,0 +1,41 @@ +* Samsung Exynos5250 Clock Controller + +The Exynos5250 clock controller generates and supplies clock to various +controllers within the Exynos5250 SoC. + +Required Properties: + +- compatible: should be one of the following. + - "samsung,exynos5250-clock" - controller compatible with Exynos5250 SoC. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos5250.h header and can be used in device +tree sources. + +Example 1: An example of a clock controller node is listed below. + + clock: clock-controller@0x10010000 { + compatible = "samsung,exynos5250-clock"; + reg = <0x10010000 0x30000>; + #clock-cells = <1>; + }; + +Example 2: UART controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + + serial@13820000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13820000 0x100>; + interrupts = <0 54 0>; + clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>; + clock-names = "uart", "clk_uart_baud0"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos5260-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos5260-clock.txt new file mode 100644 index 000000000..5496b2fac --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos5260-clock.txt @@ -0,0 +1,190 @@ +* Samsung Exynos5260 Clock Controller + +Exynos5260 has 13 clock controllers which are instantiated +independently from the device-tree. These clock controllers +generate and supply clocks to various hardware blocks within +the SoC. + +Each clock is assigned an identifier and client nodes can use +this identifier to specify the clock which they consume. All +available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos5260-clk.h header and can be used in +device tree sources. + +External clocks: + +There are several clocks that are generated outside the SoC. It +is expected that they are defined using standard clock bindings +with following clock-output-names: + + - "fin_pll" - PLL input clock from XXTI + - "xrtcxti" - input clock from XRTCXTI + - "ioclk_pcm_extclk" - pcm external operation clock + - "ioclk_spdif_extclk" - spdif external operation clock + - "ioclk_i2s_cdclk" - i2s0 codec clock + +Phy clocks: + +There are several clocks which are generated by specific PHYs. +These clocks are fed into the clock controller and then routed to +the hardware blocks. These clocks are defined as fixed clocks in the +driver with following names: + + - "phyclk_dptx_phy_ch3_txd_clk" - dp phy clock for channel 3 + - "phyclk_dptx_phy_ch2_txd_clk" - dp phy clock for channel 2 + - "phyclk_dptx_phy_ch1_txd_clk" - dp phy clock for channel 1 + - "phyclk_dptx_phy_ch0_txd_clk" - dp phy clock for channel 0 + - "phyclk_hdmi_phy_tmds_clko" - hdmi phy tmds clock + - "phyclk_hdmi_phy_pixel_clko" - hdmi phy pixel clock + - "phyclk_hdmi_link_o_tmds_clkhi" - hdmi phy for hdmi link + - "phyclk_dptx_phy_o_ref_clk_24m" - dp phy reference clock + - "phyclk_dptx_phy_clk_div2" + - "phyclk_mipi_dphy_4l_m_rxclkesc0" + - "phyclk_usbhost20_phy_phyclock" - usb 2.0 phy clock + - "phyclk_usbhost20_phy_freeclk" + - "phyclk_usbhost20_phy_clk48mohci" + - "phyclk_usbdrd30_udrd30_pipe_pclk" + - "phyclk_usbdrd30_udrd30_phyclock" - usb 3.0 phy clock + +Required Properties for Clock Controller: + + - compatible: should be one of the following. + 1) "samsung,exynos5260-clock-top" + 2) "samsung,exynos5260-clock-peri" + 3) "samsung,exynos5260-clock-egl" + 4) "samsung,exynos5260-clock-kfc" + 5) "samsung,exynos5260-clock-g2d" + 6) "samsung,exynos5260-clock-mif" + 7) "samsung,exynos5260-clock-mfc" + 8) "samsung,exynos5260-clock-g3d" + 9) "samsung,exynos5260-clock-fsys" + 10) "samsung,exynos5260-clock-aud" + 11) "samsung,exynos5260-clock-isp" + 12) "samsung,exynos5260-clock-gscl" + 13) "samsung,exynos5260-clock-disp" + + - reg: physical base address of the controller and the length of + memory mapped region. + + - #clock-cells: should be 1. + + - clocks: list of clock identifiers which are fed as the input to + the given clock controller. Please refer the next section to find + the input clocks for a given controller. + + - clock-names: list of names of clocks which are fed as the input + to the given clock controller. + +Input clocks for top clock controller: + - fin_pll + - dout_mem_pll + - dout_bus_pll + - dout_media_pll + +Input clocks for peri clock controller: + - fin_pll + - ioclk_pcm_extclk + - ioclk_i2s_cdclk + - ioclk_spdif_extclk + - phyclk_hdmi_phy_ref_cko + - dout_aclk_peri_66 + - dout_sclk_peri_uart0 + - dout_sclk_peri_uart1 + - dout_sclk_peri_uart2 + - dout_sclk_peri_spi0_b + - dout_sclk_peri_spi1_b + - dout_sclk_peri_spi2_b + - dout_aclk_peri_aud + - dout_sclk_peri_spi0_b + +Input clocks for egl clock controller: + - fin_pll + - dout_bus_pll + +Input clocks for kfc clock controller: + - fin_pll + - dout_media_pll + +Input clocks for g2d clock controller: + - fin_pll + - dout_aclk_g2d_333 + +Input clocks for mif clock controller: + - fin_pll + +Input clocks for mfc clock controller: + - fin_pll + - dout_aclk_mfc_333 + +Input clocks for g3d clock controller: + - fin_pll + +Input clocks for fsys clock controller: + - fin_pll + - phyclk_usbhost20_phy_phyclock + - phyclk_usbhost20_phy_freeclk + - phyclk_usbhost20_phy_clk48mohci + - phyclk_usbdrd30_udrd30_pipe_pclk + - phyclk_usbdrd30_udrd30_phyclock + - dout_aclk_fsys_200 + +Input clocks for aud clock controller: + - fin_pll + - fout_aud_pll + - ioclk_i2s_cdclk + - ioclk_pcm_extclk + +Input clocks for isp clock controller: + - fin_pll + - dout_aclk_isp1_266 + - dout_aclk_isp1_400 + - mout_aclk_isp1_266 + +Input clocks for gscl clock controller: + - fin_pll + - dout_aclk_gscl_400 + - dout_aclk_gscl_333 + +Input clocks for disp clock controller: + - fin_pll + - phyclk_dptx_phy_ch3_txd_clk + - phyclk_dptx_phy_ch2_txd_clk + - phyclk_dptx_phy_ch1_txd_clk + - phyclk_dptx_phy_ch0_txd_clk + - phyclk_hdmi_phy_tmds_clko + - phyclk_hdmi_phy_ref_clko + - phyclk_hdmi_phy_pixel_clko + - phyclk_hdmi_link_o_tmds_clkhi + - phyclk_mipi_dphy_4l_m_txbyte_clkhs + - phyclk_dptx_phy_o_ref_clk_24m + - phyclk_dptx_phy_clk_div2 + - phyclk_mipi_dphy_4l_m_rxclkesc0 + - phyclk_hdmi_phy_ref_cko + - ioclk_spdif_extclk + - dout_aclk_peri_aud + - dout_aclk_disp_222 + - dout_sclk_disp_pixel + - dout_aclk_disp_333 + +Example 1: An example of a clock controller node is listed below. + + clock_mfc: clock-controller@11090000 { + compatible = "samsung,exynos5260-clock-mfc"; + clock = <&fin_pll>, <&clock_top TOP_DOUT_ACLK_MFC_333>; + clock-names = "fin_pll", "dout_aclk_mfc_333"; + reg = <0x11090000 0x10000>; + #clock-cells = <1>; + }; + +Example 2: UART controller node that consumes the clock generated by the + peri clock controller. Refer to the standard clock bindings for + information about 'clocks' and 'clock-names' property. + + serial@12C00000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x12C00000 0x100>; + interrupts = <0 146 0>; + clocks = <&clock_peri PERI_PCLK_UART0>, <&clock_peri PERI_SCLK_UART0>; + clock-names = "uart", "clk_uart_baud0"; + }; + diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos5410-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos5410-clock.txt new file mode 100644 index 000000000..aeab635b0 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos5410-clock.txt @@ -0,0 +1,45 @@ +* Samsung Exynos5410 Clock Controller + +The Exynos5410 clock controller generates and supplies clock to various +controllers within the Exynos5410 SoC. + +Required Properties: + +- compatible: should be "samsung,exynos5410-clock" + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos5410.h header and can be used in device +tree sources. + +External clock: + +There is clock that is generated outside the SoC. It +is expected that it is defined using standard clock bindings +with following clock-output-name: + + - "fin_pll" - PLL input clock from XXTI + +Example 1: An example of a clock controller node is listed below. + + clock: clock-controller@0x10010000 { + compatible = "samsung,exynos5410-clock"; + reg = <0x10010000 0x30000>; + #clock-cells = <1>; + }; + +Example 2: UART controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + + serial@12C20000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x12C00000 0x100>; + interrupts = <0 51 0>; + clocks = <&clock CLK_UART0>, <&clock CLK_SCLK_UART0>; + clock-names = "uart", "clk_uart_baud0"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos5420-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos5420-clock.txt new file mode 100644 index 000000000..d54f42cf0 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos5420-clock.txt @@ -0,0 +1,42 @@ +* Samsung Exynos5420 Clock Controller + +The Exynos5420 clock controller generates and supplies clock to various +controllers within the Exynos5420 SoC and for the Exynos5800 SoC. + +Required Properties: + +- compatible: should be one of the following. + - "samsung,exynos5420-clock" - controller compatible with Exynos5420 SoC. + - "samsung,exynos5800-clock" - controller compatible with Exynos5800 SoC. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos5420.h header and can be used in device +tree sources. + +Example 1: An example of a clock controller node is listed below. + + clock: clock-controller@0x10010000 { + compatible = "samsung,exynos5420-clock"; + reg = <0x10010000 0x30000>; + #clock-cells = <1>; + }; + +Example 2: UART controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + + serial@13820000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13820000 0x100>; + interrupts = <0 54 0>; + clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>; + clock-names = "uart", "clk_uart_baud0"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos5433-clock.txt new file mode 100644 index 000000000..63379b04e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos5433-clock.txt @@ -0,0 +1,462 @@ +* Samsung Exynos5433 CMU (Clock Management Units) + +The Exynos5433 clock controller generates and supplies clock to various +controllers within the Exynos5433 SoC. + +Required Properties: + +- compatible: should be one of the following. + - "samsung,exynos5433-cmu-top" - clock controller compatible for CMU_TOP + which generates clocks for IMEM/FSYS/G3D/GSCL/HEVC/MSCL/G2D/MFC/PERIC/PERIS + domains and bus clocks. + - "samsung,exynos5433-cmu-cpif" - clock controller compatible for CMU_CPIF + which generates clocks for LLI (Low Latency Interface) IP. + - "samsung,exynos5433-cmu-mif" - clock controller compatible for CMU_MIF + which generates clocks for DRAM Memory Controller domain. + - "samsung,exynos5433-cmu-peric" - clock controller compatible for CMU_PERIC + which generates clocks for UART/I2C/SPI/I2S/PCM/SPDIF/PWM/SLIMBUS IPs. + - "samsung,exynos5433-cmu-peris" - clock controller compatible for CMU_PERIS + which generates clocks for PMU/TMU/MCT/WDT/RTC/SECKEY/TZPC IPs. + - "samsung,exynos5433-cmu-fsys" - clock controller compatible for CMU_FSYS + which generates clocks for USB/UFS/SDMMC/TSI/PDMA IPs. + - "samsung,exynos5433-cmu-g2d" - clock controller compatible for CMU_G2D + which generates clocks for G2D/MDMA IPs. + - "samsung,exynos5433-cmu-disp" - clock controller compatible for CMU_DISP + which generates clocks for Display (DECON/HDMI/DSIM/MIXER) IPs. + - "samsung,exynos5433-cmu-aud" - clock controller compatible for CMU_AUD + which generates clocks for Cortex-A5/BUS/AUDIO clocks. + - "samsung,exynos5433-cmu-bus0", "samsung,exynos5433-cmu-bus1" + and "samsung,exynos5433-cmu-bus2" - clock controller compatible for CMU_BUS + which generates global data buses clock and global peripheral buses clock. + - "samsung,exynos5433-cmu-g3d" - clock controller compatible for CMU_G3D + which generates clocks for 3D Graphics Engine IP. + - "samsung,exynos5433-cmu-gscl" - clock controller compatible for CMU_GSCL + which generates clocks for GSCALER IPs. + - "samsung,exynos5433-cmu-apollo"- clock controller compatible for CMU_APOLLO + which generates clocks for Cortex-A53 Quad-core processor. + - "samsung,exynos5433-cmu-atlas" - clock controller compatible for CMU_ATLAS + which generates clocks for Cortex-A57 Quad-core processor, CoreSight and + L2 cache controller. + - "samsung,exynos5433-cmu-mscl" - clock controller compatible for CMU_MSCL + which generates clocks for M2M (Memory to Memory) scaler and JPEG IPs. + - "samsung,exynos5433-cmu-mfc" - clock controller compatible for CMU_MFC + which generates clocks for MFC(Multi-Format Codec) IP. + - "samsung,exynos5433-cmu-hevc" - clock controller compatible for CMU_HEVC + which generates clocks for HEVC(High Efficiency Video Codec) decoder IP. + - "samsung,exynos5433-cmu-isp" - clock controller compatible for CMU_ISP + which generates clocks for FIMC-ISP/DRC/SCLC/DIS/3DNR IPs. + - "samsung,exynos5433-cmu-cam0" - clock controller compatible for CMU_CAM0 + which generates clocks for MIPI_CSIS{0|1}/FIMC_LITE_{A|B|D}/FIMC_3AA{0|1} + IPs. + - "samsung,exynos5433-cmu-cam1" - clock controller compatible for CMU_CAM1 + which generates clocks for Cortex-A5/MIPI_CSIS2/FIMC-LITE_C/FIMC-FD IPs. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +- clocks: list of the clock controller input clock identifiers, + from common clock bindings. Please refer the next section + to find the input clocks for a given controller. + +- clock-names: list of the clock controller input clock names, + as described in clock-bindings.txt. + + Input clocks for top clock controller: + - oscclk + - sclk_mphy_pll + - sclk_mfc_pll + - sclk_bus_pll + + Input clocks for cpif clock controller: + - oscclk + + Input clocks for mif clock controller: + - oscclk + - sclk_mphy_pll + + Input clocks for fsys clock controller: + - oscclk + - sclk_ufs_mphy + - div_aclk_fsys_200 + - sclk_pcie_100_fsys + - sclk_ufsunipro_fsys + - sclk_mmc2_fsys + - sclk_mmc1_fsys + - sclk_mmc0_fsys + - sclk_usbhost30_fsys + - sclk_usbdrd30_fsys + + Input clocks for g2d clock controller: + - oscclk + - aclk_g2d_266 + - aclk_g2d_400 + + Input clocks for disp clock controller: + - oscclk + - sclk_dsim1_disp + - sclk_dsim0_disp + - sclk_dsd_disp + - sclk_decon_tv_eclk_disp + - sclk_decon_vclk_disp + - sclk_decon_eclk_disp + - sclk_decon_tv_vclk_disp + - aclk_disp_333 + + Input clocks for bus0 clock controller: + - aclk_bus0_400 + + Input clocks for bus1 clock controller: + - aclk_bus1_400 + + Input clocks for bus2 clock controller: + - oscclk + - aclk_bus2_400 + + Input clocks for g3d clock controller: + - oscclk + - aclk_g3d_400 + + Input clocks for gscl clock controller: + - oscclk + - aclk_gscl_111 + - aclk_gscl_333 + + Input clocks for apollo clock controller: + - oscclk + - sclk_bus_pll_apollo + + Input clocks for atlas clock controller: + - oscclk + - sclk_bus_pll_atlas + + Input clocks for mscl clock controller: + - oscclk + - sclk_jpeg_mscl + - aclk_mscl_400 + + Input clocks for mfc clock controller: + - oscclk + - aclk_mfc_400 + + Input clocks for hevc clock controller: + - oscclk + - aclk_hevc_400 + + Input clocks for isp clock controller: + - oscclk + - aclk_isp_dis_400 + - aclk_isp_400 + + Input clocks for cam0 clock controller: + - oscclk + - aclk_cam0_333 + - aclk_cam0_400 + - aclk_cam0_552 + + Input clocks for cam1 clock controller: + - oscclk + - sclk_isp_uart_cam1 + - sclk_isp_spi1_cam1 + - sclk_isp_spi0_cam1 + - aclk_cam1_333 + - aclk_cam1_400 + - aclk_cam1_552 + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos5433.h header and can be used in device +tree sources. + +Example 1: Examples of 'oscclk' source clock node are listed below. + + xxti: xxti { + compatible = "fixed-clock"; + clock-output-names = "oscclk"; + #clock-cells = <0>; + }; + +Example 2: Examples of clock controller nodes are listed below. + + cmu_top: clock-controller@10030000 { + compatible = "samsung,exynos5433-cmu-top"; + reg = <0x10030000 0x0c04>; + #clock-cells = <1>; + + clock-names = "oscclk", + "sclk_mphy_pll", + "sclk_mfc_pll", + "sclk_bus_pll"; + clocks = <&xxti>, + <&cmu_cpif CLK_SCLK_MPHY_PLL>, + <&cmu_mif CLK_SCLK_MFC_PLL>, + <&cmu_mif CLK_SCLK_BUS_PLL>; + }; + + cmu_cpif: clock-controller@10fc0000 { + compatible = "samsung,exynos5433-cmu-cpif"; + reg = <0x10fc0000 0x0c04>; + #clock-cells = <1>; + + clock-names = "oscclk"; + clocks = <&xxti>; + }; + + cmu_mif: clock-controller@105b0000 { + compatible = "samsung,exynos5433-cmu-mif"; + reg = <0x105b0000 0x100c>; + #clock-cells = <1>; + + clock-names = "oscclk", + "sclk_mphy_pll"; + clocks = <&xxti>, + <&cmu_cpif CLK_SCLK_MPHY_PLL>; + }; + + cmu_peric: clock-controller@14c80000 { + compatible = "samsung,exynos5433-cmu-peric"; + reg = <0x14c80000 0x0b08>; + #clock-cells = <1>; + }; + + cmu_peris: clock-controller@10040000 { + compatible = "samsung,exynos5433-cmu-peris"; + reg = <0x10040000 0x0b20>; + #clock-cells = <1>; + }; + + cmu_fsys: clock-controller@156e0000 { + compatible = "samsung,exynos5433-cmu-fsys"; + reg = <0x156e0000 0x0b04>; + #clock-cells = <1>; + + clock-names = "oscclk", + "sclk_ufs_mphy", + "div_aclk_fsys_200", + "sclk_pcie_100_fsys", + "sclk_ufsunipro_fsys", + "sclk_mmc2_fsys", + "sclk_mmc1_fsys", + "sclk_mmc0_fsys", + "sclk_usbhost30_fsys", + "sclk_usbdrd30_fsys"; + clocks = <&xxti>, + <&cmu_cpif CLK_SCLK_UFS_MPHY>, + <&cmu_top CLK_DIV_ACLK_FSYS_200>, + <&cmu_top CLK_SCLK_PCIE_100_FSYS>, + <&cmu_top CLK_SCLK_UFSUNIPRO_FSYS>, + <&cmu_top CLK_SCLK_MMC2_FSYS>, + <&cmu_top CLK_SCLK_MMC1_FSYS>, + <&cmu_top CLK_SCLK_MMC0_FSYS>, + <&cmu_top CLK_SCLK_USBHOST30_FSYS>, + <&cmu_top CLK_SCLK_USBDRD30_FSYS>; + }; + + cmu_g2d: clock-controller@12460000 { + compatible = "samsung,exynos5433-cmu-g2d"; + reg = <0x12460000 0x0b08>; + #clock-cells = <1>; + + clock-names = "oscclk", + "aclk_g2d_266", + "aclk_g2d_400"; + clocks = <&xxti>, + <&cmu_top CLK_ACLK_G2D_266>, + <&cmu_top CLK_ACLK_G2D_400>; + }; + + cmu_disp: clock-controller@13b90000 { + compatible = "samsung,exynos5433-cmu-disp"; + reg = <0x13b90000 0x0c04>; + #clock-cells = <1>; + + clock-names = "oscclk", + "sclk_dsim1_disp", + "sclk_dsim0_disp", + "sclk_dsd_disp", + "sclk_decon_tv_eclk_disp", + "sclk_decon_vclk_disp", + "sclk_decon_eclk_disp", + "sclk_decon_tv_vclk_disp", + "aclk_disp_333"; + clocks = <&xxti>, + <&cmu_mif CLK_SCLK_DSIM1_DISP>, + <&cmu_mif CLK_SCLK_DSIM0_DISP>, + <&cmu_mif CLK_SCLK_DSD_DISP>, + <&cmu_mif CLK_SCLK_DECON_TV_ECLK_DISP>, + <&cmu_mif CLK_SCLK_DECON_VCLK_DISP>, + <&cmu_mif CLK_SCLK_DECON_ECLK_DISP>, + <&cmu_mif CLK_SCLK_DECON_TV_VCLK_DISP>, + <&cmu_mif CLK_ACLK_DISP_333>; + }; + + cmu_aud: clock-controller@114c0000 { + compatible = "samsung,exynos5433-cmu-aud"; + reg = <0x114c0000 0x0b04>; + #clock-cells = <1>; + }; + + cmu_bus0: clock-controller@13600000 { + compatible = "samsung,exynos5433-cmu-bus0"; + reg = <0x13600000 0x0b04>; + #clock-cells = <1>; + + clock-names = "aclk_bus0_400"; + clocks = <&cmu_top CLK_ACLK_BUS0_400>; + }; + + cmu_bus1: clock-controller@14800000 { + compatible = "samsung,exynos5433-cmu-bus1"; + reg = <0x14800000 0x0b04>; + #clock-cells = <1>; + + clock-names = "aclk_bus1_400"; + clocks = <&cmu_top CLK_ACLK_BUS1_400>; + }; + + cmu_bus2: clock-controller@13400000 { + compatible = "samsung,exynos5433-cmu-bus2"; + reg = <0x13400000 0x0b04>; + #clock-cells = <1>; + + clock-names = "oscclk", "aclk_bus2_400"; + clocks = <&xxti>, <&cmu_mif CLK_ACLK_BUS2_400>; + }; + + cmu_g3d: clock-controller@14aa0000 { + compatible = "samsung,exynos5433-cmu-g3d"; + reg = <0x14aa0000 0x1000>; + #clock-cells = <1>; + + clock-names = "oscclk", "aclk_g3d_400"; + clocks = <&xxti>, <&cmu_top CLK_ACLK_G3D_400>; + }; + + cmu_gscl: clock-controller@13cf0000 { + compatible = "samsung,exynos5433-cmu-gscl"; + reg = <0x13cf0000 0x0b10>; + #clock-cells = <1>; + + clock-names = "oscclk", + "aclk_gscl_111", + "aclk_gscl_333"; + clocks = <&xxti>, + <&cmu_top CLK_ACLK_GSCL_111>, + <&cmu_top CLK_ACLK_GSCL_333>; + }; + + cmu_apollo: clock-controller@11900000 { + compatible = "samsung,exynos5433-cmu-apollo"; + reg = <0x11900000 0x1088>; + #clock-cells = <1>; + + clock-names = "oscclk", "sclk_bus_pll_apollo"; + clocks = <&xxti>, <&cmu_mif CLK_SCLK_BUS_PLL_APOLLO>; + }; + + cmu_atlas: clock-controller@11800000 { + compatible = "samsung,exynos5433-cmu-atlas"; + reg = <0x11800000 0x1088>; + #clock-cells = <1>; + + clock-names = "oscclk", "sclk_bus_pll_atlas"; + clocks = <&xxti>, <&cmu_mif CLK_SCLK_BUS_PLL_ATLAS>; + }; + + cmu_mscl: clock-controller@105d0000 { + compatible = "samsung,exynos5433-cmu-mscl"; + reg = <0x105d0000 0x0b10>; + #clock-cells = <1>; + + clock-names = "oscclk", + "sclk_jpeg_mscl", + "aclk_mscl_400"; + clocks = <&xxti>, + <&cmu_top CLK_SCLK_JPEG_MSCL>, + <&cmu_top CLK_ACLK_MSCL_400>; + }; + + cmu_mfc: clock-controller@15280000 { + compatible = "samsung,exynos5433-cmu-mfc"; + reg = <0x15280000 0x0b08>; + #clock-cells = <1>; + + clock-names = "oscclk", "aclk_mfc_400"; + clocks = <&xxti>, <&cmu_top CLK_ACLK_MFC_400>; + }; + + cmu_hevc: clock-controller@14f80000 { + compatible = "samsung,exynos5433-cmu-hevc"; + reg = <0x14f80000 0x0b08>; + #clock-cells = <1>; + + clock-names = "oscclk", "aclk_hevc_400"; + clocks = <&xxti>, <&cmu_top CLK_ACLK_HEVC_400>; + }; + + cmu_isp: clock-controller@146d0000 { + compatible = "samsung,exynos5433-cmu-isp"; + reg = <0x146d0000 0x0b0c>; + #clock-cells = <1>; + + clock-names = "oscclk", + "aclk_isp_dis_400", + "aclk_isp_400"; + clocks = <&xxti>, + <&cmu_top CLK_ACLK_ISP_DIS_400>, + <&cmu_top CLK_ACLK_ISP_400>; + }; + + cmu_cam0: clock-controller@120d0000 { + compatible = "samsung,exynos5433-cmu-cam0"; + reg = <0x120d0000 0x0b0c>; + #clock-cells = <1>; + + clock-names = "oscclk", + "aclk_cam0_333", + "aclk_cam0_400", + "aclk_cam0_552"; + clocks = <&xxti>, + <&cmu_top CLK_ACLK_CAM0_333>, + <&cmu_top CLK_ACLK_CAM0_400>, + <&cmu_top CLK_ACLK_CAM0_552>; + }; + + cmu_cam1: clock-controller@145d0000 { + compatible = "samsung,exynos5433-cmu-cam1"; + reg = <0x145d0000 0x0b08>; + #clock-cells = <1>; + + clock-names = "oscclk", + "sclk_isp_uart_cam1", + "sclk_isp_spi1_cam1", + "sclk_isp_spi0_cam1", + "aclk_cam1_333", + "aclk_cam1_400", + "aclk_cam1_552"; + clocks = <&xxti>, + <&cmu_top CLK_SCLK_ISP_UART_CAM1>, + <&cmu_top CLK_SCLK_ISP_SPI1_CAM1>, + <&cmu_top CLK_SCLK_ISP_SPI0_CAM1>, + <&cmu_top CLK_ACLK_CAM1_333>, + <&cmu_top CLK_ACLK_CAM1_400>, + <&cmu_top CLK_ACLK_CAM1_552>; + }; + +Example 3: UART controller node that consumes the clock generated by the clock + controller. + + serial_0: serial@14C10000 { + compatible = "samsung,exynos5433-uart"; + reg = <0x14C10000 0x100>; + interrupts = <0 421 0>; + clocks = <&cmu_peric CLK_PCLK_UART0>, + <&cmu_peric CLK_SCLK_UART0>; + clock-names = "uart", "clk_uart_baud0"; + pinctrl-names = "default"; + pinctrl-0 = <&uart0_bus>; + status = "disabled"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos5440-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos5440-clock.txt new file mode 100644 index 000000000..5f7005f73 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos5440-clock.txt @@ -0,0 +1,28 @@ +* Samsung Exynos5440 Clock Controller + +The Exynos5440 clock controller generates and supplies clock to various +controllers within the Exynos5440 SoC. + +Required Properties: + +- compatible: should be "samsung,exynos5440-clock". + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos5440.h header and can be used in device +tree sources. + +Example: An example of a clock controller node is listed below. + + clock: clock-controller@0x10010000 { + compatible = "samsung,exynos5440-clock"; + reg = <0x160000 0x10000>; + #clock-cells = <1>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/exynos7-clock.txt b/kernel/Documentation/devicetree/bindings/clock/exynos7-clock.txt new file mode 100644 index 000000000..6bf1e7493 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/exynos7-clock.txt @@ -0,0 +1,108 @@ +* Samsung Exynos7 Clock Controller + +Exynos7 clock controller has various blocks which are instantiated +independently from the device-tree. These clock controllers +generate and supply clocks to various hardware blocks within +the SoC. + +Each clock is assigned an identifier and client nodes can use +this identifier to specify the clock which they consume. All +available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos7-clk.h header and can be used in +device tree sources. + +External clocks: + +There are several clocks that are generated outside the SoC. It +is expected that they are defined using standard clock bindings +with following clock-output-names: + + - "fin_pll" - PLL input clock from XXTI + +Required Properties for Clock Controller: + + - compatible: clock controllers will use one of the following + compatible strings to indicate the clock controller + functionality. + + - "samsung,exynos7-clock-topc" + - "samsung,exynos7-clock-top0" + - "samsung,exynos7-clock-top1" + - "samsung,exynos7-clock-ccore" + - "samsung,exynos7-clock-peric0" + - "samsung,exynos7-clock-peric1" + - "samsung,exynos7-clock-peris" + - "samsung,exynos7-clock-fsys0" + - "samsung,exynos7-clock-fsys1" + - "samsung,exynos7-clock-mscl" + - "samsung,exynos7-clock-aud" + + - reg: physical base address of the controller and the length of + memory mapped region. + + - #clock-cells: should be 1. + + - clocks: list of clock identifiers which are fed as the input to + the given clock controller. Please refer the next section to + find the input clocks for a given controller. + +- clock-names: list of names of clocks which are fed as the input + to the given clock controller. + +Input clocks for top0 clock controller: + - fin_pll + - dout_sclk_bus0_pll + - dout_sclk_bus1_pll + - dout_sclk_cc_pll + - dout_sclk_mfc_pll + - dout_sclk_aud_pll + +Input clocks for top1 clock controller: + - fin_pll + - dout_sclk_bus0_pll + - dout_sclk_bus1_pll + - dout_sclk_cc_pll + - dout_sclk_mfc_pll + +Input clocks for ccore clock controller: + - fin_pll + - dout_aclk_ccore_133 + +Input clocks for peric0 clock controller: + - fin_pll + - dout_aclk_peric0_66 + - sclk_uart0 + +Input clocks for peric1 clock controller: + - fin_pll + - dout_aclk_peric1_66 + - sclk_uart1 + - sclk_uart2 + - sclk_uart3 + - sclk_spi0 + - sclk_spi1 + - sclk_spi2 + - sclk_spi3 + - sclk_spi4 + - sclk_i2s1 + - sclk_pcm1 + - sclk_spdif + +Input clocks for peris clock controller: + - fin_pll + - dout_aclk_peris_66 + +Input clocks for fsys0 clock controller: + - fin_pll + - dout_aclk_fsys0_200 + - dout_sclk_mmc2 + +Input clocks for fsys1 clock controller: + - fin_pll + - dout_aclk_fsys1_200 + - dout_sclk_mmc0 + - dout_sclk_mmc1 + +Input clocks for aud clock controller: + - fin_pll + - fout_aud_pll diff --git a/kernel/Documentation/devicetree/bindings/clock/fixed-clock.txt b/kernel/Documentation/devicetree/bindings/clock/fixed-clock.txt new file mode 100644 index 000000000..0641a663a --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/fixed-clock.txt @@ -0,0 +1,23 @@ +Binding for simple fixed-rate clock sources. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "fixed-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- clock-frequency : frequency of clock in Hz. Should be a single cell. + +Optional properties: +- clock-accuracy : accuracy of clock in ppb (parts per billion). + Should be a single cell. +- clock-output-names : From common clock binding. + +Example: + clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <1000000000>; + clock-accuracy = <100>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/fixed-factor-clock.txt b/kernel/Documentation/devicetree/bindings/clock/fixed-factor-clock.txt new file mode 100644 index 000000000..1bae8527e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/fixed-factor-clock.txt @@ -0,0 +1,24 @@ +Binding for simple fixed factor rate clock sources. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "fixed-factor-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- clock-div: fixed divider. +- clock-mult: fixed multiplier. +- clocks: parent clock. + +Optional properties: +- clock-output-names : From common clock binding. + +Example: + clock { + compatible = "fixed-factor-clock"; + clocks = <&parentclk>; + #clock-cells = <0>; + clock-div = <2>; + clock-mult = <1>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/fujitsu,mb86s70-crg11.txt b/kernel/Documentation/devicetree/bindings/clock/fujitsu,mb86s70-crg11.txt new file mode 100644 index 000000000..332396265 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/fujitsu,mb86s70-crg11.txt @@ -0,0 +1,26 @@ +Fujitsu CRG11 clock driver bindings +----------------------------------- + +Required properties : +- compatible : Shall contain "fujitsu,mb86s70-crg11" +- #clock-cells : Shall be 3 {cntrlr domain port} + +The consumer specifies the desired clock pointing to its phandle. + +Example: + + clock: crg11 { + compatible = "fujitsu,mb86s70-crg11"; + #clock-cells = <3>; + }; + + mhu: mhu0@2b1f0000 { + #mbox-cells = <1>; + compatible = "arm,mhu"; + reg = <0 0x2B1F0000 0x1000>; + interrupts = <0 36 4>, /* LP Non-Sec */ + <0 35 4>, /* HP Non-Sec */ + <0 37 4>; /* Secure */ + clocks = <&clock 0 2 1>; /* Cntrlr:0 Domain:2 Port:1 */ + clock-names = "clk"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/gpio-gate-clock.txt b/kernel/Documentation/devicetree/bindings/clock/gpio-gate-clock.txt new file mode 100644 index 000000000..d3379ff9b --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/gpio-gate-clock.txt @@ -0,0 +1,21 @@ +Binding for simple gpio gated clock. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "gpio-gate-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- enable-gpios : GPIO reference for enabling and disabling the clock. + +Optional properties: +- clocks: Maximum of one parent clock is supported. + +Example: + clock { + compatible = "gpio-gate-clock"; + clocks = <&parentclk>; + #clock-cells = <0>; + enable-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/hi3620-clock.txt b/kernel/Documentation/devicetree/bindings/clock/hi3620-clock.txt new file mode 100644 index 000000000..dad6269f5 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/hi3620-clock.txt @@ -0,0 +1,20 @@ +* Hisilicon Hi3620 Clock Controller + +The Hi3620 clock controller generates and supplies clock to various +controllers within the Hi3620 SoC. + +Required Properties: + +- compatible: should be one of the following. + - "hisilicon,hi3620-clock" - controller compatible with Hi3620 SoC. + - "hisilicon,hi3620-mmc-clock" - controller specific for Hi3620 mmc. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes use this identifier +to specify the clock which they consume. + +All these identifier could be found in <dt-bindings/clock/hi3620-clock.h>. diff --git a/kernel/Documentation/devicetree/bindings/clock/hix5hd2-clock.txt b/kernel/Documentation/devicetree/bindings/clock/hix5hd2-clock.txt new file mode 100644 index 000000000..7894a6488 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/hix5hd2-clock.txt @@ -0,0 +1,31 @@ +* Hisilicon Hix5hd2 Clock Controller + +The hix5hd2 clock controller generates and supplies clock to various +controllers within the hix5hd2 SoC. + +Required Properties: + +- compatible: should be "hisilicon,hix5hd2-clock" +- reg: Address and length of the register set +- #clock-cells: Should be <1> + +Each clock is assigned an identifier and client nodes use this identifier +to specify the clock which they consume. + +All these identifier could be found in <dt-bindings/clock/hix5hd2-clock.h>. + +Examples: + clock: clock@f8a22000 { + compatible = "hisilicon,hix5hd2-clock"; + reg = <0xf8a22000 0x1000>; + #clock-cells = <1>; + }; + + uart0: uart@f8b00000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0xf8b00000 0x1000>; + interrupts = <0 49 4>; + clocks = <&clock HIX5HD2_FIXED_83M>; + clock-names = "apb_pclk"; + status = "disabled"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx1-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx1-clock.txt new file mode 100644 index 000000000..b7adf4e3e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx1-clock.txt @@ -0,0 +1,26 @@ +* Clock bindings for Freescale i.MX1 CPUs + +Required properties: +- compatible: Should be "fsl,imx1-ccm". +- reg: Address and length of the register set. +- #clock-cells: Should be <1>. + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx1-clock.h +for the full list of i.MX1 clock IDs. + +Examples: + clks: ccm@0021b000 { + #clock-cells = <1>; + compatible = "fsl,imx1-ccm"; + reg = <0x0021b000 0x1000>; + }; + + pwm: pwm@00208000 { + #pwm-cells = <2>; + compatible = "fsl,imx1-pwm"; + reg = <0x00208000 0x1000>; + interrupts = <34>; + clocks = <&clks IMX1_CLK_DUMMY>, <&clks IMX1_CLK_PER1>; + clock-names = "ipg", "per"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx21-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx21-clock.txt new file mode 100644 index 000000000..c3b0db437 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx21-clock.txt @@ -0,0 +1,28 @@ +* Clock bindings for Freescale i.MX21 + +Required properties: +- compatible : Should be "fsl,imx21-ccm". +- reg : Address and length of the register set. +- interrupts : Should contain CCM interrupt. +- #clock-cells: Should be <1>. + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx21-clock.h +for the full list of i.MX21 clock IDs. + +Examples: + clks: ccm@10027000{ + compatible = "fsl,imx21-ccm"; + reg = <0x10027000 0x800>; + #clock-cells = <1>; + }; + + uart1: serial@1000a000 { + compatible = "fsl,imx21-uart"; + reg = <0x1000a000 0x1000>; + interrupts = <20>; + clocks = <&clks IMX21_CLK_UART1_IPG_GATE>, + <&clks IMX21_CLK_PER1>; + clock-names = "ipg", "per"; + status = "disabled"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx23-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx23-clock.txt new file mode 100644 index 000000000..5083c0b83 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx23-clock.txt @@ -0,0 +1,71 @@ +* Clock bindings for Freescale i.MX23 + +Required properties: +- compatible: Should be "fsl,imx23-clkctrl" +- reg: Address and length of the register set +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of i.MX23 +clocks and IDs. + + Clock ID + ------------------ + ref_xtal 0 + pll 1 + ref_cpu 2 + ref_emi 3 + ref_pix 4 + ref_io 5 + saif_sel 6 + lcdif_sel 7 + gpmi_sel 8 + ssp_sel 9 + emi_sel 10 + cpu 11 + etm_sel 12 + cpu_pll 13 + cpu_xtal 14 + hbus 15 + xbus 16 + lcdif_div 17 + ssp_div 18 + gpmi_div 19 + emi_pll 20 + emi_xtal 21 + etm_div 22 + saif_div 23 + clk32k_div 24 + rtc 25 + adc 26 + spdif_div 27 + clk32k 28 + dri 29 + pwm 30 + filt 31 + uart 32 + ssp 33 + gpmi 34 + spdif 35 + emi 36 + saif 37 + lcdif 38 + etm 39 + usb 40 + usb_phy 41 + +Examples: + +clks: clkctrl@80040000 { + compatible = "fsl,imx23-clkctrl"; + reg = <0x80040000 0x2000>; + #clock-cells = <1>; +}; + +auart0: serial@8006c000 { + compatible = "fsl,imx23-auart"; + reg = <0x8006c000 0x2000>; + interrupts = <24 25 23>; + clocks = <&clks 32>; + status = "disabled"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx25-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx25-clock.txt new file mode 100644 index 000000000..ba6b312ff --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx25-clock.txt @@ -0,0 +1,161 @@ +* Clock bindings for Freescale i.MX25 + +Required properties: +- compatible: Should be "fsl,imx25-ccm" +- reg: Address and length of the register set +- interrupts: Should contain CCM interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of i.MX25 +clocks and IDs. + + Clock ID + --------------------------- + dummy 0 + osc 1 + mpll 2 + upll 3 + mpll_cpu_3_4 4 + cpu_sel 5 + cpu 6 + ahb 7 + usb_div 8 + ipg 9 + per0_sel 10 + per1_sel 11 + per2_sel 12 + per3_sel 13 + per4_sel 14 + per5_sel 15 + per6_sel 16 + per7_sel 17 + per8_sel 18 + per9_sel 19 + per10_sel 20 + per11_sel 21 + per12_sel 22 + per13_sel 23 + per14_sel 24 + per15_sel 25 + per0 26 + per1 27 + per2 28 + per3 29 + per4 30 + per5 31 + per6 32 + per7 33 + per8 34 + per9 35 + per10 36 + per11 37 + per12 38 + per13 39 + per14 40 + per15 41 + csi_ipg_per 42 + epit_ipg_per 43 + esai_ipg_per 44 + esdhc1_ipg_per 45 + esdhc2_ipg_per 46 + gpt_ipg_per 47 + i2c_ipg_per 48 + lcdc_ipg_per 49 + nfc_ipg_per 50 + owire_ipg_per 51 + pwm_ipg_per 52 + sim1_ipg_per 53 + sim2_ipg_per 54 + ssi1_ipg_per 55 + ssi2_ipg_per 56 + uart_ipg_per 57 + ata_ahb 58 + reserved 59 + csi_ahb 60 + emi_ahb 61 + esai_ahb 62 + esdhc1_ahb 63 + esdhc2_ahb 64 + fec_ahb 65 + lcdc_ahb 66 + rtic_ahb 67 + sdma_ahb 68 + slcdc_ahb 69 + usbotg_ahb 70 + reserved 71 + reserved 72 + reserved 73 + reserved 74 + can1_ipg 75 + can2_ipg 76 + csi_ipg 77 + cspi1_ipg 78 + cspi2_ipg 79 + cspi3_ipg 80 + dryice_ipg 81 + ect_ipg 82 + epit1_ipg 83 + epit2_ipg 84 + reserved 85 + esdhc1_ipg 86 + esdhc2_ipg 87 + fec_ipg 88 + reserved 89 + reserved 90 + reserved 91 + gpt1_ipg 92 + gpt2_ipg 93 + gpt3_ipg 94 + gpt4_ipg 95 + reserved 96 + reserved 97 + reserved 98 + iim_ipg 99 + reserved 100 + reserved 101 + kpp_ipg 102 + lcdc_ipg 103 + reserved 104 + pwm1_ipg 105 + pwm2_ipg 106 + pwm3_ipg 107 + pwm4_ipg 108 + rngb_ipg 109 + reserved 110 + scc_ipg 111 + sdma_ipg 112 + sim1_ipg 113 + sim2_ipg 114 + slcdc_ipg 115 + spba_ipg 116 + ssi1_ipg 117 + ssi2_ipg 118 + tsc_ipg 119 + uart1_ipg 120 + uart2_ipg 121 + uart3_ipg 122 + uart4_ipg 123 + uart5_ipg 124 + reserved 125 + wdt_ipg 126 + cko_div 127 + cko_sel 128 + cko 129 + +Examples: + +clks: ccm@53f80000 { + compatible = "fsl,imx25-ccm"; + reg = <0x53f80000 0x4000>; + interrupts = <31>; +}; + +uart1: serial@43f90000 { + compatible = "fsl,imx25-uart", "fsl,imx21-uart"; + reg = <0x43f90000 0x4000>; + interrupts = <45>; + clocks = <&clks 79>, <&clks 50>; + clock-names = "ipg", "per"; + status = "disabled"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx27-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx27-clock.txt new file mode 100644 index 000000000..cc05de9ec --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx27-clock.txt @@ -0,0 +1,28 @@ +* Clock bindings for Freescale i.MX27 + +Required properties: +- compatible: Should be "fsl,imx27-ccm" +- reg: Address and length of the register set +- interrupts: Should contain CCM interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx27-clock.h +for the full list of i.MX27 clock IDs. + +Examples: + clks: ccm@10027000{ + compatible = "fsl,imx27-ccm"; + reg = <0x10027000 0x1000>; + #clock-cells = <1>; + }; + + uart1: serial@1000a000 { + compatible = "fsl,imx27-uart", "fsl,imx21-uart"; + reg = <0x1000a000 0x1000>; + interrupts = <20>; + clocks = <&clks IMX27_CLK_UART1_IPG_GATE>, + <&clks IMX27_CLK_PER1_GATE>; + clock-names = "ipg", "per"; + status = "disabled"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx28-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx28-clock.txt new file mode 100644 index 000000000..e6587af62 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx28-clock.txt @@ -0,0 +1,94 @@ +* Clock bindings for Freescale i.MX28 + +Required properties: +- compatible: Should be "fsl,imx28-clkctrl" +- reg: Address and length of the register set +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of i.MX28 +clocks and IDs. + + Clock ID + ------------------ + ref_xtal 0 + pll0 1 + pll1 2 + pll2 3 + ref_cpu 4 + ref_emi 5 + ref_io0 6 + ref_io1 7 + ref_pix 8 + ref_hsadc 9 + ref_gpmi 10 + saif0_sel 11 + saif1_sel 12 + gpmi_sel 13 + ssp0_sel 14 + ssp1_sel 15 + ssp2_sel 16 + ssp3_sel 17 + emi_sel 18 + etm_sel 19 + lcdif_sel 20 + cpu 21 + ptp_sel 22 + cpu_pll 23 + cpu_xtal 24 + hbus 25 + xbus 26 + ssp0_div 27 + ssp1_div 28 + ssp2_div 29 + ssp3_div 30 + gpmi_div 31 + emi_pll 32 + emi_xtal 33 + lcdif_div 34 + etm_div 35 + ptp 36 + saif0_div 37 + saif1_div 38 + clk32k_div 39 + rtc 40 + lradc 41 + spdif_div 42 + clk32k 43 + pwm 44 + uart 45 + ssp0 46 + ssp1 47 + ssp2 48 + ssp3 49 + gpmi 50 + spdif 51 + emi 52 + saif0 53 + saif1 54 + lcdif 55 + etm 56 + fec 57 + can0 58 + can1 59 + usb0 60 + usb1 61 + usb0_phy 62 + usb1_phy 63 + enet_out 64 + +Examples: + +clks: clkctrl@80040000 { + compatible = "fsl,imx28-clkctrl"; + reg = <0x80040000 0x2000>; + #clock-cells = <1>; +}; + +auart0: serial@8006a000 { + compatible = "fsl,imx28-auart", "fsl,imx23-auart"; + reg = <0x8006a000 0x2000>; + interrupts = <112 70 71>; + clocks = <&clks 45>; + status = "disabled"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx31-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx31-clock.txt new file mode 100644 index 000000000..19df842c6 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx31-clock.txt @@ -0,0 +1,91 @@ +* Clock bindings for Freescale i.MX31 + +Required properties: +- compatible: Should be "fsl,imx31-ccm" +- reg: Address and length of the register set +- interrupts: Should contain CCM interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of i.MX31 +clocks and IDs. + + Clock ID + ----------------------- + dummy 0 + ckih 1 + ckil 2 + mpll 3 + spll 4 + upll 5 + mcu_main 6 + hsp 7 + ahb 8 + nfc 9 + ipg 10 + per_div 11 + per 12 + csi_sel 13 + fir_sel 14 + csi_div 15 + usb_div_pre 16 + usb_div_post 17 + fir_div_pre 18 + fir_div_post 19 + sdhc1_gate 20 + sdhc2_gate 21 + gpt_gate 22 + epit1_gate 23 + epit2_gate 24 + iim_gate 25 + ata_gate 26 + sdma_gate 27 + cspi3_gate 28 + rng_gate 29 + uart1_gate 30 + uart2_gate 31 + ssi1_gate 32 + i2c1_gate 33 + i2c2_gate 34 + i2c3_gate 35 + hantro_gate 36 + mstick1_gate 37 + mstick2_gate 38 + csi_gate 39 + rtc_gate 40 + wdog_gate 41 + pwm_gate 42 + sim_gate 43 + ect_gate 44 + usb_gate 45 + kpp_gate 46 + ipu_gate 47 + uart3_gate 48 + uart4_gate 49 + uart5_gate 50 + owire_gate 51 + ssi2_gate 52 + cspi1_gate 53 + cspi2_gate 54 + gacc_gate 55 + emi_gate 56 + rtic_gate 57 + firi_gate 58 + +Examples: + +clks: ccm@53f80000{ + compatible = "fsl,imx31-ccm"; + reg = <0x53f80000 0x4000>; + interrupts = <0 31 0x04 0 53 0x04>; + #clock-cells = <1>; +}; + +uart1: serial@43f90000 { + compatible = "fsl,imx31-uart", "fsl,imx21-uart"; + reg = <0x43f90000 0x4000>; + interrupts = <45>; + clocks = <&clks 10>, <&clks 30>; + clock-names = "ipg", "per"; + status = "disabled"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx35-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx35-clock.txt new file mode 100644 index 000000000..a70356452 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx35-clock.txt @@ -0,0 +1,113 @@ +* Clock bindings for Freescale i.MX35 + +Required properties: +- compatible: Should be "fsl,imx35-ccm" +- reg: Address and length of the register set +- interrupts: Should contain CCM interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of i.MX35 +clocks and IDs. + + Clock ID + --------------------------- + ckih 0 + mpll 1 + ppll 2 + mpll_075 3 + arm 4 + hsp 5 + hsp_div 6 + hsp_sel 7 + ahb 8 + ipg 9 + arm_per_div 10 + ahb_per_div 11 + ipg_per 12 + uart_sel 13 + uart_div 14 + esdhc_sel 15 + esdhc1_div 16 + esdhc2_div 17 + esdhc3_div 18 + spdif_sel 19 + spdif_div_pre 20 + spdif_div_post 21 + ssi_sel 22 + ssi1_div_pre 23 + ssi1_div_post 24 + ssi2_div_pre 25 + ssi2_div_post 26 + usb_sel 27 + usb_div 28 + nfc_div 29 + asrc_gate 30 + pata_gate 31 + audmux_gate 32 + can1_gate 33 + can2_gate 34 + cspi1_gate 35 + cspi2_gate 36 + ect_gate 37 + edio_gate 38 + emi_gate 39 + epit1_gate 40 + epit2_gate 41 + esai_gate 42 + esdhc1_gate 43 + esdhc2_gate 44 + esdhc3_gate 45 + fec_gate 46 + gpio1_gate 47 + gpio2_gate 48 + gpio3_gate 49 + gpt_gate 50 + i2c1_gate 51 + i2c2_gate 52 + i2c3_gate 53 + iomuxc_gate 54 + ipu_gate 55 + kpp_gate 56 + mlb_gate 57 + mshc_gate 58 + owire_gate 59 + pwm_gate 60 + rngc_gate 61 + rtc_gate 62 + rtic_gate 63 + scc_gate 64 + sdma_gate 65 + spba_gate 66 + spdif_gate 67 + ssi1_gate 68 + ssi2_gate 69 + uart1_gate 70 + uart2_gate 71 + uart3_gate 72 + usbotg_gate 73 + wdog_gate 74 + max_gate 75 + admux_gate 76 + csi_gate 77 + csi_div 78 + csi_sel 79 + iim_gate 80 + gpu2d_gate 81 + +Examples: + +clks: ccm@53f80000 { + compatible = "fsl,imx35-ccm"; + reg = <0x53f80000 0x4000>; + interrupts = <31>; + #clock-cells = <1>; +}; + +esdhc1: esdhc@53fb4000 { + compatible = "fsl,imx35-esdhc"; + reg = <0x53fb4000 0x4000>; + interrupts = <7>; + clocks = <&clks 9>, <&clks 8>, <&clks 43>; + clock-names = "ipg", "ahb", "per"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx5-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx5-clock.txt new file mode 100644 index 000000000..cadc4d29a --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx5-clock.txt @@ -0,0 +1,29 @@ +* Clock bindings for Freescale i.MX5 + +Required properties: +- compatible: Should be "fsl,<soc>-ccm" , where <soc> can be imx51 or imx53 +- reg: Address and length of the register set +- interrupts: Should contain CCM interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx5-clock.h +for the full list of i.MX5 clock IDs. + +Examples (for mx53): + +clks: ccm@53fd4000{ + compatible = "fsl,imx53-ccm"; + reg = <0x53fd4000 0x4000>; + interrupts = <0 71 0x04 0 72 0x04>; + #clock-cells = <1>; +}; + +can1: can@53fc8000 { + compatible = "fsl,imx53-flexcan", "fsl,p1010-flexcan"; + reg = <0x53fc8000 0x4000>; + interrupts = <82>; + clocks = <&clks IMX5_CLK_CAN1_IPG_GATE>, <&clks IMX5_CLK_CAN1_SERIAL_GATE>; + clock-names = "ipg", "per"; + status = "disabled"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx6q-clock.txt new file mode 100644 index 000000000..9252912a5 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx6q-clock.txt @@ -0,0 +1,31 @@ +* Clock bindings for Freescale i.MX6 Quad + +Required properties: +- compatible: Should be "fsl,imx6q-ccm" +- reg: Address and length of the register set +- interrupts: Should contain CCM interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx6qdl-clock.h +for the full list of i.MX6 Quad and DualLite clock IDs. + +Examples: + +#include <dt-bindings/clock/imx6qdl-clock.h> + +clks: ccm@020c4000 { + compatible = "fsl,imx6q-ccm"; + reg = <0x020c4000 0x4000>; + interrupts = <0 87 0x04 0 88 0x04>; + #clock-cells = <1>; +}; + +uart1: serial@02020000 { + compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; + reg = <0x02020000 0x4000>; + interrupts = <0 26 0x04>; + clocks = <&clks IMX6QDL_CLK_UART_IPG>, <&clks IMX6QDL_CLK_UART_SERIAL>; + clock-names = "ipg", "per"; + status = "disabled"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/imx6sl-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx6sl-clock.txt new file mode 100644 index 000000000..15e40bdf1 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx6sl-clock.txt @@ -0,0 +1,10 @@ +* Clock bindings for Freescale i.MX6 SoloLite + +Required properties: +- compatible: Should be "fsl,imx6sl-ccm" +- reg: Address and length of the register set +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx6sl-clock.h +for the full list of i.MX6 SoloLite clock IDs. diff --git a/kernel/Documentation/devicetree/bindings/clock/imx6sx-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx6sx-clock.txt new file mode 100644 index 000000000..22362b9b7 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/imx6sx-clock.txt @@ -0,0 +1,13 @@ +* Clock bindings for Freescale i.MX6 SoloX + +Required properties: +- compatible: Should be "fsl,imx6sx-ccm" +- reg: Address and length of the register set +- #clock-cells: Should be <1> +- clocks: list of clock specifiers, must contain an entry for each required + entry in clock-names +- clock-names: should include entries "ckil", "osc", "ipp_di0" and "ipp_di1" + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx6sx-clock.h +for the full list of i.MX6 SoloX clock IDs. diff --git a/kernel/Documentation/devicetree/bindings/clock/keystone-gate.txt b/kernel/Documentation/devicetree/bindings/clock/keystone-gate.txt new file mode 100644 index 000000000..c5aa18702 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/keystone-gate.txt @@ -0,0 +1,29 @@ +Status: Unstable - ABI compatibility may be broken in the future + +Binding for Keystone gate control driver which uses PSC controller IP. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "ti,keystone,psc-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : parent clock phandle +- reg : psc control and domain address address space +- reg-names : psc control and domain registers +- domain-id : psc domain id needed to check the transition state register + +Optional properties: +- clock-output-names : From common clock binding to override the + default output clock name +Example: + clkusb: clkusb { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "usb"; + reg = <0x02350008 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/keystone-pll.txt b/kernel/Documentation/devicetree/bindings/clock/keystone-pll.txt new file mode 100644 index 000000000..225990f79 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/keystone-pll.txt @@ -0,0 +1,84 @@ +Status: Unstable - ABI compatibility may be broken in the future + +Binding for keystone PLLs. The main PLL IP typically has a multiplier, +a divider and a post divider. The additional PLL IPs like ARMPLL, DDRPLL +and PAPLL are controlled by the memory mapped register where as the Main +PLL is controlled by a PLL controller registers along with memory mapped +registers. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- #clock-cells : from common clock binding; shall be set to 0. +- compatible : shall be "ti,keystone,main-pll-clock" or "ti,keystone,pll-clock" +- clocks : parent clock phandle +- reg - pll control0 and pll multipler registers +- reg-names : control and multiplier. The multiplier is applicable only for + main pll clock +- fixed-postdiv : fixed post divider value. If absent, use clkod register bits + for postdiv + +Example: + mainpllclk: mainpllclk@2310110 { + #clock-cells = <0>; + compatible = "ti,keystone,main-pll-clock"; + clocks = <&refclksys>; + reg = <0x02620350 4>, <0x02310110 4>; + reg-names = "control", "multiplier"; + fixed-postdiv = <2>; + }; + + papllclk: papllclk@2620358 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkpass>; + clock-output-names = "pa-pll-clk"; + reg = <0x02620358 4>; + reg-names = "control"; + }; + +Required properties: +- #clock-cells : from common clock binding; shall be set to 0. +- compatible : shall be "ti,keystone,pll-mux-clock" +- clocks : link phandles of parent clocks +- reg - pll mux register +- bit-shift : number of bits to shift the bit-mask +- bit-mask : arbitrary bitmask for programming the mux + +Optional properties: +- clock-output-names : From common clock binding. + +Example: + mainmuxclk: mainmuxclk@2310108 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-mux-clock"; + clocks = <&mainpllclk>, <&refclkmain>; + reg = <0x02310108 4>; + bit-shift = <23>; + bit-mask = <1>; + clock-output-names = "mainmuxclk"; + }; + +Required properties: +- #clock-cells : from common clock binding; shall be set to 0. +- compatible : shall be "ti,keystone,pll-divider-clock" +- clocks : parent clock phandle +- reg - pll mux register +- bit-shift : number of bits to shift the bit-mask +- bit-mask : arbitrary bitmask for programming the divider + +Optional properties: +- clock-output-names : From common clock binding. + +Example: + gemtraceclk: gemtraceclk@2310120 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-divider-clock"; + clocks = <&mainmuxclk>; + reg = <0x02310120 4>; + bit-shift = <0>; + bit-mask = <8>; + clock-output-names = "gemtraceclk"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/lsi,axm5516-clks.txt b/kernel/Documentation/devicetree/bindings/clock/lsi,axm5516-clks.txt new file mode 100644 index 000000000..3ce97cfe9 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/lsi,axm5516-clks.txt @@ -0,0 +1,29 @@ +AXM5516 clock driver bindings +----------------------------- + +Required properties : +- compatible : shall contain "lsi,axm5516-clks" +- reg : shall contain base register location and length +- #clock-cells : shall contain 1 + +The consumer specifies the desired clock by having the clock ID in its "clocks" +phandle cell. See <dt-bindings/clock/lsi,axxia-clock.h> for the list of +supported clock IDs. + +Example: + + clks: clock-controller@2010020000 { + compatible = "lsi,axm5516-clks"; + #clock-cells = <1>; + reg = <0x20 0x10020000 0 0x20000>; + }; + + serial0: uart@2010080000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x20 0x10080000 0 0x1000>; + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks AXXIA_CLK_PER>; + clock-names = "apb_pclk"; + }; + }; + diff --git a/kernel/Documentation/devicetree/bindings/clock/marvell,mmp2.txt b/kernel/Documentation/devicetree/bindings/clock/marvell,mmp2.txt new file mode 100644 index 000000000..af376a01f --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/marvell,mmp2.txt @@ -0,0 +1,21 @@ +* Marvell MMP2 Clock Controller + +The MMP2 clock subsystem generates and supplies clock to various +controllers within the MMP2 SoC. + +Required Properties: + +- compatible: should be one of the following. + - "marvell,mmp2-clock" - controller compatible with MMP2 SoC. + +- reg: physical base address of the clock subsystem and length of memory mapped + region. There are 3 places in SOC has clock control logic: + "mpmu", "apmu", "apbc". So three reg spaces need to be defined. + +- #clock-cells: should be 1. +- #reset-cells: should be 1. + +Each clock is assigned an identifier and client nodes use this identifier +to specify the clock which they consume. + +All these identifier could be found in <dt-bindings/clock/marvell-mmp2.h>. diff --git a/kernel/Documentation/devicetree/bindings/clock/marvell,pxa168.txt b/kernel/Documentation/devicetree/bindings/clock/marvell,pxa168.txt new file mode 100644 index 000000000..c62eb1d17 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/marvell,pxa168.txt @@ -0,0 +1,21 @@ +* Marvell PXA168 Clock Controller + +The PXA168 clock subsystem generates and supplies clock to various +controllers within the PXA168 SoC. + +Required Properties: + +- compatible: should be one of the following. + - "marvell,pxa168-clock" - controller compatible with PXA168 SoC. + +- reg: physical base address of the clock subsystem and length of memory mapped + region. There are 3 places in SOC has clock control logic: + "mpmu", "apmu", "apbc". So three reg spaces need to be defined. + +- #clock-cells: should be 1. +- #reset-cells: should be 1. + +Each clock is assigned an identifier and client nodes use this identifier +to specify the clock which they consume. + +All these identifier could be found in <dt-bindings/clock/marvell,pxa168.h>. diff --git a/kernel/Documentation/devicetree/bindings/clock/marvell,pxa910.txt b/kernel/Documentation/devicetree/bindings/clock/marvell,pxa910.txt new file mode 100644 index 000000000..d9f41f3c0 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/marvell,pxa910.txt @@ -0,0 +1,21 @@ +* Marvell PXA910 Clock Controller + +The PXA910 clock subsystem generates and supplies clock to various +controllers within the PXA910 SoC. + +Required Properties: + +- compatible: should be one of the following. + - "marvell,pxa910-clock" - controller compatible with PXA910 SoC. + +- reg: physical base address of the clock subsystem and length of memory mapped + region. There are 4 places in SOC has clock control logic: + "mpmu", "apmu", "apbc", "apbcp". So four reg spaces need to be defined. + +- #clock-cells: should be 1. +- #reset-cells: should be 1. + +Each clock is assigned an identifier and client nodes use this identifier +to specify the clock which they consume. + +All these identifier could be found in <dt-bindings/clock/marvell-pxa910.h>. diff --git a/kernel/Documentation/devicetree/bindings/clock/maxim,max77686.txt b/kernel/Documentation/devicetree/bindings/clock/maxim,max77686.txt new file mode 100644 index 000000000..9c40739a6 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/maxim,max77686.txt @@ -0,0 +1,46 @@ +Binding for Maxim MAX77686 32k clock generator block + +This is a part of device tree bindings of MAX77686 multi-function device. +More information can be found in bindings/mfd/max77686.txt file. + +The MAX77686 contains three 32.768khz clock outputs that can be controlled +(gated/ungated) over I2C. + +Following properties should be presend in main device node of the MFD chip. + +Required properties: + +- #clock-cells: from common clock binding; shall be set to 1. + +Optional properties: +- clock-output-names: From common clock binding. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. Following indices are allowed: + - 0: 32khz_ap clock, + - 1: 32khz_cp clock, + - 2: 32khz_pmic clock. + +Clocks are defined as preprocessor macros in dt-bindings/clock/maxim,max77686.h +header and can be used in device tree sources. + +Example: Node of the MFD chip + + max77686: max77686@09 { + compatible = "maxim,max77686"; + interrupt-parent = <&wakeup_eint>; + interrupts = <26 0>; + reg = <0x09>; + #clock-cells = <1>; + + /* ... */ + }; + +Example: Clock consumer node + + foo@0 { + compatible = "bar,foo"; + /* ... */ + clock-names = "my-clock"; + clocks = <&max77686 MAX77686_CLK_PMIC>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/maxim,max77802.txt b/kernel/Documentation/devicetree/bindings/clock/maxim,max77802.txt new file mode 100644 index 000000000..c6dc7835f --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/maxim,max77802.txt @@ -0,0 +1,44 @@ +Binding for Maxim MAX77802 32k clock generator block + +This is a part of device tree bindings of MAX77802 multi-function device. +More information can be found in bindings/mfd/max77802.txt file. + +The MAX77802 contains two 32.768khz clock outputs that can be controlled +(gated/ungated) over I2C. + +Following properties should be present in main device node of the MFD chip. + +Required properties: +- #clock-cells: From common clock binding; shall be set to 1. + +Optional properties: +- clock-output-names: From common clock binding. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. Following indices are allowed: + - 0: 32khz_ap clock, + - 1: 32khz_cp clock. + +Clocks are defined as preprocessor macros in dt-bindings/clock/maxim,max77802.h +header and can be used in device tree sources. + +Example: Node of the MFD chip + + max77802: max77802@09 { + compatible = "maxim,max77802"; + interrupt-parent = <&wakeup_eint>; + interrupts = <26 0>; + reg = <0x09>; + #clock-cells = <1>; + + /* ... */ + }; + +Example: Clock consumer node + + foo@0 { + compatible = "bar,foo"; + /* ... */ + clock-names = "my-clock"; + clocks = <&max77802 MAX77802_CLK_32K_AP>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/moxa,moxart-clock.txt b/kernel/Documentation/devicetree/bindings/clock/moxa,moxart-clock.txt new file mode 100644 index 000000000..fedea8431 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/moxa,moxart-clock.txt @@ -0,0 +1,48 @@ +Device Tree Clock bindings for arch-moxart + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +MOXA ART SoCs allow to determine PLL output and APB frequencies +by reading registers holding multiplier and divisor information. + + +PLL: + +Required properties: +- compatible : Must be "moxa,moxart-pll-clock" +- #clock-cells : Should be 0 +- reg : Should contain registers location and length +- clocks : Should contain phandle + clock-specifier for the parent clock + +Optional properties: +- clock-output-names : Should contain clock name + + +APB: + +Required properties: +- compatible : Must be "moxa,moxart-apb-clock" +- #clock-cells : Should be 0 +- reg : Should contain registers location and length +- clocks : Should contain phandle + clock-specifier for the parent clock + +Optional properties: +- clock-output-names : Should contain clock name + + +For example: + + clk_pll: clk_pll@98100000 { + compatible = "moxa,moxart-pll-clock"; + #clock-cells = <0>; + reg = <0x98100000 0x34>; + }; + + clk_apb: clk_apb@98100000 { + compatible = "moxa,moxart-apb-clock"; + #clock-cells = <0>; + reg = <0x98100000 0x34>; + clocks = <&clk_pll>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/mvebu-core-clock.txt b/kernel/Documentation/devicetree/bindings/clock/mvebu-core-clock.txt new file mode 100644 index 000000000..670c2af3e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/mvebu-core-clock.txt @@ -0,0 +1,78 @@ +* Core Clock bindings for Marvell MVEBU SoCs + +Marvell MVEBU SoCs usually allow to determine core clock frequencies by +reading the Sample-At-Reset (SAR) register. The core clock consumer should +specify the desired clock by having the clock ID in its "clocks" phandle cell. + +The following is a list of provided IDs and clock names on Armada 370/XP: + 0 = tclk (Internal Bus clock) + 1 = cpuclk (CPU clock) + 2 = nbclk (L2 Cache clock) + 3 = hclk (DRAM control clock) + 4 = dramclk (DDR clock) + +The following is a list of provided IDs and clock names on Armada 375: + 0 = tclk (Internal Bus clock) + 1 = cpuclk (CPU clock) + 2 = l2clk (L2 Cache clock) + 3 = ddrclk (DDR clock) + +The following is a list of provided IDs and clock names on Armada 380/385: + 0 = tclk (Internal Bus clock) + 1 = cpuclk (CPU clock) + 2 = l2clk (L2 Cache clock) + 3 = ddrclk (DDR clock) + +The following is a list of provided IDs and clock names on Armada 39x: + 0 = tclk (Internal Bus clock) + 1 = cpuclk (CPU clock) + 2 = nbclk (Coherent Fabric clock) + 3 = hclk (SDRAM Controller Internal Clock) + 4 = dclk (SDRAM Interface Clock) + 5 = refclk (Reference Clock) + +The following is a list of provided IDs and clock names on Kirkwood and Dove: + 0 = tclk (Internal Bus clock) + 1 = cpuclk (CPU0 clock) + 2 = l2clk (L2 Cache clock derived from CPU0 clock) + 3 = ddrclk (DDR controller clock derived from CPU0 clock) + +The following is a list of provided IDs and clock names on Orion5x: + 0 = tclk (Internal Bus clock) + 1 = cpuclk (CPU0 clock) + 2 = ddrclk (DDR controller clock derived from CPU0 clock) + +Required properties: +- compatible : shall be one of the following: + "marvell,armada-370-core-clock" - For Armada 370 SoC core clocks + "marvell,armada-375-core-clock" - For Armada 375 SoC core clocks + "marvell,armada-380-core-clock" - For Armada 380/385 SoC core clocks + "marvell,armada-390-core-clock" - For Armada 39x SoC core clocks + "marvell,armada-xp-core-clock" - For Armada XP SoC core clocks + "marvell,dove-core-clock" - for Dove SoC core clocks + "marvell,kirkwood-core-clock" - for Kirkwood SoC (except mv88f6180) + "marvell,mv88f6180-core-clock" - for Kirkwood MV88f6180 SoC + "marvell,mv88f5182-core-clock" - for Orion MV88F5182 SoC + "marvell,mv88f5281-core-clock" - for Orion MV88F5281 SoC + "marvell,mv88f6183-core-clock" - for Orion MV88F6183 SoC +- reg : shall be the register address of the Sample-At-Reset (SAR) register +- #clock-cells : from common clock binding; shall be set to 1 + +Optional properties: +- clock-output-names : from common clock binding; allows overwrite default clock + output names ("tclk", "cpuclk", "l2clk", "ddrclk") + +Example: + +core_clk: core-clocks@d0214 { + compatible = "marvell,dove-core-clock"; + reg = <0xd0214 0x4>; + #clock-cells = <1>; +}; + +spi0: spi@10600 { + compatible = "marvell,orion-spi"; + /* ... */ + /* get tclk from core clock provider */ + clocks = <&core_clk 0>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt b/kernel/Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt new file mode 100644 index 000000000..520562a7d --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt @@ -0,0 +1,22 @@ +* Core Divider Clock bindings for Marvell MVEBU SoCs + +The following is a list of provided IDs and clock names on Armada 370/XP: + 0 = nand (NAND clock) + +Required properties: +- compatible : must be "marvell,armada-370-corediv-clock", + "marvell,armada-375-corediv-clock", + "marvell,armada-380-corediv-clock", + +- reg : must be the register address of Core Divider control register +- #clock-cells : from common clock binding; shall be set to 1 +- clocks : must be set to the parent's phandle + +Example: + +corediv_clk: corediv-clocks@18740 { + compatible = "marvell,armada-370-corediv-clock"; + reg = <0x18740 0xc>; + #clock-cells = <1>; + clocks = <&pll>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt b/kernel/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt new file mode 100644 index 000000000..99c214660 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt @@ -0,0 +1,22 @@ +Device Tree Clock bindings for cpu clock of Marvell EBU platforms + +Required properties: +- compatible : shall be one of the following: + "marvell,armada-xp-cpu-clock" - cpu clocks for Armada XP +- reg : Address and length of the clock complex register set, followed + by address and length of the PMU DFS registers +- #clock-cells : should be set to 1. +- clocks : shall be the input parent clock phandle for the clock. + +cpuclk: clock-complex@d0018700 { + #clock-cells = <1>; + compatible = "marvell,armada-xp-cpu-clock"; + reg = <0xd0018700 0xA0>, <0x1c054 0x10>; + clocks = <&coreclk 1>; +} + +cpu@0 { + compatible = "marvell,sheeva-v7"; + reg = <0>; + clocks = <&cpuclk 0>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt b/kernel/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt new file mode 100644 index 000000000..31c7c0c1c --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt @@ -0,0 +1,191 @@ +* Gated Clock bindings for Marvell EBU SoCs + +Marvell Armada 370/375/380/385/39x/XP, Dove and Kirkwood allow some +peripheral clocks to be gated to save some power. The clock consumer +should specify the desired clock by having the clock ID in its +"clocks" phandle cell. The clock ID is directly mapped to the +corresponding clock gating control bit in HW to ease manual clock +lookup in datasheet. + +The following is a list of provided IDs for Armada 370: +ID Clock Peripheral +----------------------------------- +0 Audio AC97 Cntrl +1 pex0_en PCIe 0 Clock out +2 pex1_en PCIe 1 Clock out +3 ge1 Gigabit Ethernet 1 +4 ge0 Gigabit Ethernet 0 +5 pex0 PCIe Cntrl 0 +9 pex1 PCIe Cntrl 1 +15 sata0 SATA Host 0 +17 sdio SDHCI Host +25 tdm Time Division Mplx +28 ddr DDR Cntrl +30 sata1 SATA Host 0 + +The following is a list of provided IDs for Armada 375: +ID Clock Peripheral +----------------------------------- +2 mu Management Unit +3 pp Packet Processor +4 ptp PTP +5 pex0 PCIe 0 Clock out +6 pex1 PCIe 1 Clock out +8 audio Audio Cntrl +11 nd_clk Nand Flash Cntrl +14 sata0_link SATA 0 Link +15 sata0_core SATA 0 Core +16 usb3 USB3 Host +17 sdio SDHCI Host +18 usb USB Host +19 gop Gigabit Ethernet MAC +20 sata1_link SATA 1 Link +21 sata1_core SATA 1 Core +22 xor0 XOR DMA 0 +23 xor1 XOR DMA 0 +24 copro Coprocessor +25 tdm Time Division Mplx +28 crypto0_enc Cryptographic Unit Port 0 Encryption +29 crypto0_core Cryptographic Unit Port 0 Core +30 crypto1_enc Cryptographic Unit Port 1 Encryption +31 crypto1_core Cryptographic Unit Port 1 Core + +The following is a list of provided IDs for Armada 380/385: +ID Clock Peripheral +----------------------------------- +0 audio Audio +2 ge2 Gigabit Ethernet 2 +3 ge1 Gigabit Ethernet 1 +4 ge0 Gigabit Ethernet 0 +5 pex1 PCIe 1 +6 pex2 PCIe 2 +7 pex3 PCIe 3 +8 pex0 PCIe 0 +9 usb3h0 USB3 Host 0 +10 usb3h1 USB3 Host 1 +11 usb3d USB3 Device +13 bm Buffer Management +14 crypto0z Cryptographic 0 Z +15 sata0 SATA 0 +16 crypto1z Cryptographic 1 Z +17 sdio SDIO +18 usb2 USB 2 +21 crypto1 Cryptographic 1 +22 xor0 XOR 0 +23 crypto0 Cryptographic 0 +25 tdm Time Division Multiplexing +28 xor1 XOR 1 +30 sata1 SATA 1 + +The following is a list of provided IDs for Armada 39x: +ID Clock Peripheral +----------------------------------- +5 pex1 PCIe 1 +6 pex2 PCIe 2 +7 pex3 PCIe 3 +8 pex0 PCIe 0 +9 usb3h0 USB3 Host 0 +17 sdio SDIO +22 xor0 XOR 0 +28 xor1 XOR 1 + +The following is a list of provided IDs for Armada XP: +ID Clock Peripheral +----------------------------------- +0 audio Audio Cntrl +1 ge3 Gigabit Ethernet 3 +2 ge2 Gigabit Ethernet 2 +3 ge1 Gigabit Ethernet 1 +4 ge0 Gigabit Ethernet 0 +5 pex0 PCIe Cntrl 0 +6 pex1 PCIe Cntrl 1 +7 pex2 PCIe Cntrl 2 +8 pex3 PCIe Cntrl 3 +13 bp +14 sata0lnk +15 sata0 SATA Host 0 +16 lcd LCD Cntrl +17 sdio SDHCI Host +18 usb0 USB Host 0 +19 usb1 USB Host 1 +20 usb2 USB Host 2 +22 xor0 XOR DMA 0 +23 crypto CESA engine +25 tdm Time Division Mplx +28 xor1 XOR DMA 1 +29 sata1lnk +30 sata1 SATA Host 0 + +The following is a list of provided IDs for Dove: +ID Clock Peripheral +----------------------------------- +0 usb0 USB Host 0 +1 usb1 USB Host 1 +2 ge Gigabit Ethernet +3 sata SATA Host +4 pex0 PCIe Cntrl 0 +5 pex1 PCIe Cntrl 1 +8 sdio0 SDHCI Host 0 +9 sdio1 SDHCI Host 1 +10 nand NAND Cntrl +11 camera Camera Cntrl +12 i2s0 I2S Cntrl 0 +13 i2s1 I2S Cntrl 1 +15 crypto CESA engine +21 ac97 AC97 Cntrl +22 pdma Peripheral DMA +23 xor0 XOR DMA 0 +24 xor1 XOR DMA 1 +30 gephy Gigabit Ethernel PHY +Note: gephy(30) is implemented as a parent clock of ge(2) + +The following is a list of provided IDs for Kirkwood: +ID Clock Peripheral +----------------------------------- +0 ge0 Gigabit Ethernet 0 +2 pex0 PCIe Cntrl 0 +3 usb0 USB Host 0 +4 sdio SDIO Cntrl +5 tsu Transp. Stream Unit +6 dunit SDRAM Cntrl +7 runit Runit +8 xor0 XOR DMA 0 +9 audio I2S Cntrl 0 +14 sata0 SATA Host 0 +15 sata1 SATA Host 1 +16 xor1 XOR DMA 1 +17 crypto CESA engine +18 pex1 PCIe Cntrl 1 +19 ge1 Gigabit Ethernet 1 +20 tdm Time Division Mplx + +Required properties: +- compatible : shall be one of the following: + "marvell,armada-370-gating-clock" - for Armada 370 SoC clock gating + "marvell,armada-375-gating-clock" - for Armada 375 SoC clock gating + "marvell,armada-380-gating-clock" - for Armada 380/385 SoC clock gating + "marvell,armada-390-gating-clock" - for Armada 39x SoC clock gating + "marvell,armada-xp-gating-clock" - for Armada XP SoC clock gating + "marvell,dove-gating-clock" - for Dove SoC clock gating + "marvell,kirkwood-gating-clock" - for Kirkwood SoC clock gating +- reg : shall be the register address of the Clock Gating Control register +- #clock-cells : from common clock binding; shall be set to 1 + +Optional properties: +- clocks : default parent clock phandle (e.g. tclk) + +Example: + +gate_clk: clock-gating-control@d0038 { + compatible = "marvell,dove-gating-clock"; + reg = <0xd0038 0x4>; + /* default parent clock is tclk */ + clocks = <&core_clk 0>; + #clock-cells = <1>; +}; + +sdio0: sdio@92000 { + compatible = "marvell,dove-sdhci"; + /* get clk gate bit 8 (sdio0) */ + clocks = <&gate_clk 8>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/nspire-clock.txt b/kernel/Documentation/devicetree/bindings/clock/nspire-clock.txt new file mode 100644 index 000000000..7c3bc8bb5 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/nspire-clock.txt @@ -0,0 +1,24 @@ +TI-NSPIRE Clocks + +Required properties: +- compatible: Valid compatible properties include: + "lsi,nspire-cx-ahb-divider" for the AHB divider in the CX model + "lsi,nspire-classic-ahb-divider" for the AHB divider in the older model + "lsi,nspire-cx-clock" for the base clock in the CX model + "lsi,nspire-classic-clock" for the base clock in the older model + +- reg: Physical base address of the controller and length of memory mapped + region. + +Optional: +- clocks: For the "nspire-*-ahb-divider" compatible clocks, this is the parent + clock where it divides the rate from. + +Example: + +ahb_clk { + #clock-cells = <0>; + compatible = "lsi,nspire-cx-clock"; + reg = <0x900B0000 0x4>; + clocks = <&base_clk>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra114-car.txt b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra114-car.txt new file mode 100644 index 000000000..9acea9d93 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra114-car.txt @@ -0,0 +1,63 @@ +NVIDIA Tegra114 Clock And Reset Controller + +This binding uses the common clock binding: +Documentation/devicetree/bindings/clock/clock-bindings.txt + +The CAR (Clock And Reset) Controller on Tegra is the HW module responsible +for muxing and gating Tegra's clocks, and setting their rates. + +Required properties : +- compatible : Should be "nvidia,tegra114-car" +- reg : Should contain CAR registers location and length +- clocks : Should contain phandle and clock specifiers for two clocks: + the 32 KHz "32k_in", and the board-specific oscillator "osc". +- #clock-cells : Should be 1. + In clock consumers, this cell represents the clock ID exposed by the + CAR. The assignments may be found in header file + <dt-bindings/clock/tegra114-car.h>. +- #reset-cells : Should be 1. + In clock consumers, this cell represents the bit number in the CAR's + array of CLK_RST_CONTROLLER_RST_DEVICES_* registers. + +Example SoC include file: + +/ { + tegra_car: clock { + compatible = "nvidia,tegra114-car"; + reg = <0x60006000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + usb@c5004000 { + clocks = <&tegra_car TEGRA114_CLK_USB2>; + }; +}; + +Example board file: + +/ { + clocks { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + osc: clock@0 { + compatible = "fixed-clock"; + reg = <0>; + #clock-cells = <0>; + clock-frequency = <12000000>; + }; + + clk_32k: clock@1 { + compatible = "fixed-clock"; + reg = <1>; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + }; + + &tegra_car { + clocks = <&clk_32k> <&osc>; + }; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt new file mode 100644 index 000000000..c6620bc96 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt @@ -0,0 +1,65 @@ +NVIDIA Tegra124 and Tegra132 Clock And Reset Controller + +This binding uses the common clock binding: +Documentation/devicetree/bindings/clock/clock-bindings.txt + +The CAR (Clock And Reset) Controller on Tegra is the HW module responsible +for muxing and gating Tegra's clocks, and setting their rates. + +Required properties : +- compatible : Should be "nvidia,tegra124-car" or "nvidia,tegra132-car" +- reg : Should contain CAR registers location and length +- clocks : Should contain phandle and clock specifiers for two clocks: + the 32 KHz "32k_in", and the board-specific oscillator "osc". +- #clock-cells : Should be 1. + In clock consumers, this cell represents the clock ID exposed by the + CAR. The assignments may be found in the header files + <dt-bindings/clock/tegra124-car-common.h> (which covers IDs common + to Tegra124 and Tegra132) and <dt-bindings/clock/tegra124-car.h> + (for Tegra124-specific clocks). +- #reset-cells : Should be 1. + In clock consumers, this cell represents the bit number in the CAR's + array of CLK_RST_CONTROLLER_RST_DEVICES_* registers. + +Example SoC include file: + +/ { + tegra_car: clock { + compatible = "nvidia,tegra124-car"; + reg = <0x60006000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + usb@c5004000 { + clocks = <&tegra_car TEGRA124_CLK_USB2>; + }; +}; + +Example board file: + +/ { + clocks { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + osc: clock@0 { + compatible = "fixed-clock"; + reg = <0>; + #clock-cells = <0>; + clock-frequency = <112400000>; + }; + + clk_32k: clock@1 { + compatible = "fixed-clock"; + reg = <1>; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + }; + + &tegra_car { + clocks = <&clk_32k> <&osc>; + }; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt new file mode 100644 index 000000000..6c5901b50 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt @@ -0,0 +1,63 @@ +NVIDIA Tegra20 Clock And Reset Controller + +This binding uses the common clock binding: +Documentation/devicetree/bindings/clock/clock-bindings.txt + +The CAR (Clock And Reset) Controller on Tegra is the HW module responsible +for muxing and gating Tegra's clocks, and setting their rates. + +Required properties : +- compatible : Should be "nvidia,tegra20-car" +- reg : Should contain CAR registers location and length +- clocks : Should contain phandle and clock specifiers for two clocks: + the 32 KHz "32k_in", and the board-specific oscillator "osc". +- #clock-cells : Should be 1. + In clock consumers, this cell represents the clock ID exposed by the + CAR. The assignments may be found in header file + <dt-bindings/clock/tegra20-car.h>. +- #reset-cells : Should be 1. + In clock consumers, this cell represents the bit number in the CAR's + array of CLK_RST_CONTROLLER_RST_DEVICES_* registers. + +Example SoC include file: + +/ { + tegra_car: clock { + compatible = "nvidia,tegra20-car"; + reg = <0x60006000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + usb@c5004000 { + clocks = <&tegra_car TEGRA20_CLK_USB2>; + }; +}; + +Example board file: + +/ { + clocks { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + osc: clock@0 { + compatible = "fixed-clock"; + reg = <0>; + #clock-cells = <0>; + clock-frequency = <12000000>; + }; + + clk_32k: clock@1 { + compatible = "fixed-clock"; + reg = <1>; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + }; + + &tegra_car { + clocks = <&clk_32k> <&osc>; + }; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra30-car.txt b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra30-car.txt new file mode 100644 index 000000000..63618cde1 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra30-car.txt @@ -0,0 +1,63 @@ +NVIDIA Tegra30 Clock And Reset Controller + +This binding uses the common clock binding: +Documentation/devicetree/bindings/clock/clock-bindings.txt + +The CAR (Clock And Reset) Controller on Tegra is the HW module responsible +for muxing and gating Tegra's clocks, and setting their rates. + +Required properties : +- compatible : Should be "nvidia,tegra30-car" +- reg : Should contain CAR registers location and length +- clocks : Should contain phandle and clock specifiers for two clocks: + the 32 KHz "32k_in", and the board-specific oscillator "osc". +- #clock-cells : Should be 1. + In clock consumers, this cell represents the clock ID exposed by the + CAR. The assignments may be found in header file + <dt-bindings/clock/tegra30-car.h>. +- #reset-cells : Should be 1. + In clock consumers, this cell represents the bit number in the CAR's + array of CLK_RST_CONTROLLER_RST_DEVICES_* registers. + +Example SoC include file: + +/ { + tegra_car: clock { + compatible = "nvidia,tegra30-car"; + reg = <0x60006000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + usb@c5004000 { + clocks = <&tegra_car TEGRA30_CLK_USB2>; + }; +}; + +Example board file: + +/ { + clocks { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + osc: clock@0 { + compatible = "fixed-clock"; + reg = <0>; + #clock-cells = <0>; + clock-frequency = <12000000>; + }; + + clk_32k: clock@1 { + compatible = "fixed-clock"; + reg = <1>; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + }; + + &tegra_car { + clocks = <&clk_32k> <&osc>; + }; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/pistachio-clock.txt b/kernel/Documentation/devicetree/bindings/clock/pistachio-clock.txt new file mode 100644 index 000000000..868db499e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/pistachio-clock.txt @@ -0,0 +1,123 @@ +Imagination Technologies Pistachio SoC clock controllers +======================================================== + +Pistachio has four clock controllers (core clock, peripheral clock, peripheral +general control, and top general control) which are instantiated individually +from the device-tree. + +External clocks: +---------------- + +There are three external inputs to the clock controllers which should be +defined with the following clock-output-names: +- "xtal": External 52Mhz oscillator (required) +- "audio_clk_in": Alternate audio reference clock (optional) +- "enet_clk_in": Alternate ethernet PHY clock (optional) + +Core clock controller: +---------------------- + +The core clock controller generates clocks for the CPU, RPU (WiFi + BT +co-processor), audio, and several peripherals. + +Required properties: +- compatible: Must be "img,pistachio-clk". +- reg: Must contain the base address and length of the core clock controller. +- #clock-cells: Must be 1. The single cell is the clock identifier. + See dt-bindings/clock/pistachio-clk.h for the list of valid identifiers. +- clocks: Must contain an entry for each clock in clock-names. +- clock-names: Must include "xtal" (see "External clocks") and + "audio_clk_in_gate", "enet_clk_in_gate" which are generated by the + top-level general control. + +Example: + clk_core: clock-controller@18144000 { + compatible = "img,pistachio-clk"; + reg = <0x18144000 0x800>; + clocks = <&xtal>, <&cr_top EXT_CLK_AUDIO_IN>, + <&cr_top EXT_CLK_ENET_IN>; + clock-names = "xtal", "audio_clk_in_gate", "enet_clk_in_gate"; + + #clock-cells = <1>; + }; + +Peripheral clock controller: +---------------------------- + +The peripheral clock controller generates clocks for the DDR, ROM, and other +peripherals. The peripheral system clock ("periph_sys") generated by the core +clock controller is the input clock to the peripheral clock controller. + +Required properties: +- compatible: Must be "img,pistachio-periph-clk". +- reg: Must contain the base address and length of the peripheral clock + controller. +- #clock-cells: Must be 1. The single cell is the clock identifier. + See dt-bindings/clock/pistachio-clk.h for the list of valid identifiers. +- clocks: Must contain an entry for each clock in clock-names. +- clock-names: Must include "periph_sys", the peripheral system clock generated + by the core clock controller. + +Example: + clk_periph: clock-controller@18144800 { + compatible = "img,pistachio-clk-periph"; + reg = <0x18144800 0x800>; + clocks = <&clk_core CLK_PERIPH_SYS>; + clock-names = "periph_sys"; + + #clock-cells = <1>; + }; + +Peripheral general control: +--------------------------- + +The peripheral general control block generates system interface clocks and +resets for various peripherals. It also contains miscellaneous peripheral +control registers. The system clock ("sys") generated by the peripheral clock +controller is the input clock to the system clock controller. + +Required properties: +- compatible: Must include "img,pistachio-periph-cr" and "syscon". +- reg: Must contain the base address and length of the peripheral general + control registers. +- #clock-cells: Must be 1. The single cell is the clock identifier. + See dt-bindings/clock/pistachio-clk.h for the list of valid identifiers. +- clocks: Must contain an entry for each clock in clock-names. +- clock-names: Must include "sys", the system clock generated by the peripheral + clock controller. + +Example: + cr_periph: syscon@18144800 { + compatible = "img,pistachio-cr-periph", "syscon"; + reg = <0x18148000 0x1000>; + clocks = <&clock_periph PERIPH_CLK_PERIPH_SYS>; + clock-names = "sys"; + + #clock-cells = <1>; + }; + +Top-level general control: +-------------------------- + +The top-level general control block contains miscellaneous control registers and +gates for the external clocks "audio_clk_in" and "enet_clk_in". + +Required properties: +- compatible: Must include "img,pistachio-cr-top" and "syscon". +- reg: Must contain the base address and length of the top-level + control registers. +- clocks: Must contain an entry for each clock in clock-names. +- clock-names: Two optional clocks, "audio_clk_in" and "enet_clk_in" (see + "External clocks"). +- #clock-cells: Must be 1. The single cell is the clock identifier. + See dt-bindings/clock/pistachio-clk.h for the list of valid identifiers. + +Example: + cr_top: syscon@18144800 { + compatible = "img,pistachio-cr-top", "syscon"; + reg = <0x18149000 0x200>; + clocks = <&audio_refclk>, <&ext_enet_in>; + clock-names = "audio_clk_in", "enet_clk_in"; + + #clock-cells = <1>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/prima2-clock.txt b/kernel/Documentation/devicetree/bindings/clock/prima2-clock.txt new file mode 100644 index 000000000..5016979c0 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/prima2-clock.txt @@ -0,0 +1,73 @@ +* Clock bindings for CSR SiRFprimaII + +Required properties: +- compatible: Should be "sirf,prima2-clkc" +- reg: Address and length of the register set +- interrupts: Should contain clock controller interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of prima2 +clocks and IDs. + + Clock ID + --------------------------- + rtc 0 + osc 1 + pll1 2 + pll2 3 + pll3 4 + mem 5 + sys 6 + security 7 + dsp 8 + gps 9 + mf 10 + io 11 + cpu 12 + uart0 13 + uart1 14 + uart2 15 + tsc 16 + i2c0 17 + i2c1 18 + spi0 19 + spi1 20 + pwmc 21 + efuse 22 + pulse 23 + dmac0 24 + dmac1 25 + nand 26 + audio 27 + usp0 28 + usp1 29 + usp2 30 + vip 31 + gfx 32 + mm 33 + lcd 34 + vpp 35 + mmc01 36 + mmc23 37 + mmc45 38 + usbpll 39 + usb0 40 + usb1 41 + +Examples: + +clks: clock-controller@88000000 { + compatible = "sirf,prima2-clkc"; + reg = <0x88000000 0x1000>; + interrupts = <3>; + #clock-cells = <1>; +}; + +i2c0: i2c@b00e0000 { + cell-index = <0>; + compatible = "sirf,prima2-i2c"; + reg = <0xb00e0000 0x10000>; + interrupts = <24>; + clocks = <&clks 17>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/pwm-clock.txt b/kernel/Documentation/devicetree/bindings/clock/pwm-clock.txt new file mode 100644 index 000000000..83db876b3 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/pwm-clock.txt @@ -0,0 +1,26 @@ +Binding for an external clock signal driven by a PWM pin. + +This binding uses the common clock binding[1] and the common PWM binding[2]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/pwm/pwm.txt + +Required properties: +- compatible : shall be "pwm-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- pwms : from common PWM binding; this determines the clock frequency + via the period given in the PWM specifier. + +Optional properties: +- clock-output-names : From common clock binding. +- clock-frequency : Exact output frequency, in case the PWM period + is not exact but was rounded to nanoseconds. + +Example: + clock { + compatible = "pwm-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + clock-output-names = "mipi_mclk"; + pwms = <&pwm2 0 40>; /* 1 / 40 ns = 25 MHz */ + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/pxa-clock.txt b/kernel/Documentation/devicetree/bindings/clock/pxa-clock.txt new file mode 100644 index 000000000..4b4a9024b --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/pxa-clock.txt @@ -0,0 +1,16 @@ +* Clock bindings for Marvell PXA chips + +Required properties: +- compatible: Should be "marvell,pxa-clocks" +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell (see include/.../pxa-clock.h). + +Examples: + +pxa2xx_clks: pxa2xx_clks@41300004 { + compatible = "marvell,pxa-clocks"; + #clock-cells = <1>; + status = "okay"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/qcom,gcc.txt b/kernel/Documentation/devicetree/bindings/clock/qcom,gcc.txt new file mode 100644 index 000000000..54c23f34f --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/qcom,gcc.txt @@ -0,0 +1,27 @@ +Qualcomm Global Clock & Reset Controller Binding +------------------------------------------------ + +Required properties : +- compatible : shall contain only one of the following: + + "qcom,gcc-apq8064" + "qcom,gcc-apq8084" + "qcom,gcc-ipq8064" + "qcom,gcc-msm8660" + "qcom,gcc-msm8916" + "qcom,gcc-msm8960" + "qcom,gcc-msm8974" + "qcom,gcc-msm8974pro" + "qcom,gcc-msm8974pro-ac" + +- reg : shall contain base register location and length +- #clock-cells : shall contain 1 +- #reset-cells : shall contain 1 + +Example: + clock-controller@900000 { + compatible = "qcom,gcc-msm8960"; + reg = <0x900000 0x4000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/qcom,lcc.txt b/kernel/Documentation/devicetree/bindings/clock/qcom,lcc.txt new file mode 100644 index 000000000..dd755be63 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/qcom,lcc.txt @@ -0,0 +1,21 @@ +Qualcomm LPASS Clock & Reset Controller Binding +------------------------------------------------ + +Required properties : +- compatible : shall contain only one of the following: + + "qcom,lcc-msm8960" + "qcom,lcc-apq8064" + "qcom,lcc-ipq8064" + +- reg : shall contain base register location and length +- #clock-cells : shall contain 1 +- #reset-cells : shall contain 1 + +Example: + clock-controller@28000000 { + compatible = "qcom,lcc-ipq8064"; + reg = <0x28000000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/qcom,mmcc.txt b/kernel/Documentation/devicetree/bindings/clock/qcom,mmcc.txt new file mode 100644 index 000000000..29ebf84d2 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/qcom,mmcc.txt @@ -0,0 +1,23 @@ +Qualcomm Multimedia Clock & Reset Controller Binding +---------------------------------------------------- + +Required properties : +- compatible : shall contain only one of the following: + + "qcom,mmcc-apq8064" + "qcom,mmcc-apq8084" + "qcom,mmcc-msm8660" + "qcom,mmcc-msm8960" + "qcom,mmcc-msm8974" + +- reg : shall contain base register location and length +- #clock-cells : shall contain 1 +- #reset-cells : shall contain 1 + +Example: + clock-controller@4000000 { + compatible = "qcom,mmcc-msm8960"; + reg = <0x4000000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/qoriq-clock.txt b/kernel/Documentation/devicetree/bindings/clock/qoriq-clock.txt new file mode 100644 index 000000000..df4a259a6 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/qoriq-clock.txt @@ -0,0 +1,153 @@ +* Clock Block on Freescale QorIQ Platforms + +Freescale qoriq chips take primary clocking input from the external +SYSCLK signal. The SYSCLK input (frequency) is multiplied using +multiple phase locked loops (PLL) to create a variety of frequencies +which can then be passed to a variety of internal logic, including +cores and peripheral IP blocks. +Please refer to the Reference Manual for details. + +All references to "1.0" and "2.0" refer to the QorIQ chassis version to +which the chip complies. + +Chassis Version Example Chips +--------------- ------------- +1.0 p4080, p5020, p5040 +2.0 t4240, b4860, t1040 + +1. Clock Block Binding + +Required properties: +- compatible: Should contain a specific clock block compatible string + and a single chassis clock compatible string. + Clock block strings include, but not limited to, one of the: + * "fsl,p2041-clockgen" + * "fsl,p3041-clockgen" + * "fsl,p4080-clockgen" + * "fsl,p5020-clockgen" + * "fsl,p5040-clockgen" + * "fsl,t4240-clockgen" + * "fsl,b4420-clockgen" + * "fsl,b4860-clockgen" + * "fsl,ls1021a-clockgen" + Chassis clock strings include: + * "fsl,qoriq-clockgen-1.0": for chassis 1.0 clocks + * "fsl,qoriq-clockgen-2.0": for chassis 2.0 clocks +- reg: Describes the address of the device's resources within the + address space defined by its parent bus, and resource zero + represents the clock register set +- clock-frequency: Input system clock frequency + +Recommended properties: +- ranges: Allows valid translation between child's address space and + parent's. Must be present if the device has sub-nodes. +- #address-cells: Specifies the number of cells used to represent + physical base addresses. Must be present if the device has + sub-nodes and set to 1 if present +- #size-cells: Specifies the number of cells used to represent + the size of an address. Must be present if the device has + sub-nodes and set to 1 if present + +2. Clock Provider/Consumer Binding + +Most of the bindings are from the common clock binding[1]. + [1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : Should include one of the following: + * "fsl,qoriq-core-pll-1.0" for core PLL clocks (v1.0) + * "fsl,qoriq-core-pll-2.0" for core PLL clocks (v2.0) + * "fsl,qoriq-core-mux-1.0" for core mux clocks (v1.0) + * "fsl,qoriq-core-mux-2.0" for core mux clocks (v2.0) + * "fsl,qoriq-sysclk-1.0": for input system clock (v1.0). + It takes parent's clock-frequency as its clock. + * "fsl,qoriq-sysclk-2.0": for input system clock (v2.0). + It takes parent's clock-frequency as its clock. + * "fsl,qoriq-platform-pll-1.0" for the platform PLL clock (v1.0) + * "fsl,qoriq-platform-pll-2.0" for the platform PLL clock (v2.0) +- #clock-cells: From common clock binding. The number of cells in a + clock-specifier. Should be <0> for "fsl,qoriq-sysclk-[1,2].0" + clocks, or <1> for "fsl,qoriq-core-pll-[1,2].0" clocks. + For "fsl,qoriq-core-pll-[1,2].0" clocks, the single + clock-specifier cell may take the following values: + * 0 - equal to the PLL frequency + * 1 - equal to the PLL frequency divided by 2 + * 2 - equal to the PLL frequency divided by 4 + +Recommended properties: +- clocks: Should be the phandle of input parent clock +- clock-names: From common clock binding, indicates the clock name +- clock-output-names: From common clock binding, indicates the names of + output clocks +- reg: Should be the offset and length of clock block base address. + The length should be 4. + +Example for clock block and clock provider: +/ { + clockgen: global-utilities@e1000 { + compatible = "fsl,p5020-clockgen", "fsl,qoriq-clockgen-1.0"; + ranges = <0x0 0xe1000 0x1000>; + clock-frequency = <133333333>; + reg = <0xe1000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + + sysclk: sysclk { + #clock-cells = <0>; + compatible = "fsl,qoriq-sysclk-1.0"; + clock-output-names = "sysclk"; + }; + + pll0: pll0@800 { + #clock-cells = <1>; + reg = <0x800 0x4>; + compatible = "fsl,qoriq-core-pll-1.0"; + clocks = <&sysclk>; + clock-output-names = "pll0", "pll0-div2"; + }; + + pll1: pll1@820 { + #clock-cells = <1>; + reg = <0x820 0x4>; + compatible = "fsl,qoriq-core-pll-1.0"; + clocks = <&sysclk>; + clock-output-names = "pll1", "pll1-div2"; + }; + + mux0: mux0@0 { + #clock-cells = <0>; + reg = <0x0 0x4>; + compatible = "fsl,qoriq-core-mux-1.0"; + clocks = <&pll0 0>, <&pll0 1>, <&pll1 0>, <&pll1 1>; + clock-names = "pll0", "pll0-div2", "pll1", "pll1-div2"; + clock-output-names = "cmux0"; + }; + + mux1: mux1@20 { + #clock-cells = <0>; + reg = <0x20 0x4>; + compatible = "fsl,qoriq-core-mux-1.0"; + clocks = <&pll0 0>, <&pll0 1>, <&pll1 0>, <&pll1 1>; + clock-names = "pll0", "pll0-div2", "pll1", "pll1-div2"; + clock-output-names = "cmux1"; + }; + + platform-pll: platform-pll@c00 { + #clock-cells = <1>; + reg = <0xc00 0x4>; + compatible = "fsl,qoriq-platform-pll-1.0"; + clocks = <&sysclk>; + clock-output-names = "platform-pll", "platform-pll-div2"; + }; + }; +}; + +Example for clock consumer: + +/ { + cpu0: PowerPC,e5500@0 { + ... + clocks = <&mux0>; + ... + }; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt new file mode 100644 index 000000000..054f65f93 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt @@ -0,0 +1,34 @@ +* Renesas CPG DIV6 Clock + +The CPG DIV6 clocks are variable factor clocks provided by the Clock Pulse +Generator (CPG). They clock input is divided by a configurable factor from 1 +to 64. + +Required Properties: + + - compatible: Must be one of the following + - "renesas,r8a73a4-div6-clock" for R8A73A4 (R-Mobile APE6) DIV6 clocks + - "renesas,r8a7740-div6-clock" for R8A7740 (R-Mobile A1) DIV6 clocks + - "renesas,r8a7790-div6-clock" for R8A7790 (R-Car H2) DIV6 clocks + - "renesas,r8a7791-div6-clock" for R8A7791 (R-Car M2) DIV6 clocks + - "renesas,sh73a0-div6-clock" for SH73A0 (SH-Mobile AG5) DIV6 clocks + - "renesas,cpg-div6-clock" for generic DIV6 clocks + - reg: Base address and length of the memory resource used by the DIV6 clock + - clocks: Reference to the parent clock(s); either one, four, or eight + clocks must be specified. For clocks with multiple parents, invalid + settings must be specified as "<0>". + - #clock-cells: Must be 0 + - clock-output-names: The name of the clock as a free-form string + + +Example +------- + + sdhi2_clk: sdhi2_clk@e615007c { + compatible = "renesas,r8a73a4-div6-clock", "renesas,cpg-div6-clock"; + reg = <0 0xe615007c 0 4>; + clocks = <&pll1_div2_clk>, <&cpg_clocks R8A73A4_CLK_PLL2S>, + <0>, <&extal2_clk>; + #clock-cells = <0>; + clock-output-names = "sdhi2ck"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt new file mode 100644 index 000000000..0a80fa70c --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt @@ -0,0 +1,57 @@ +* Renesas CPG Module Stop (MSTP) Clocks + +The CPG can gate SoC device clocks. The gates are organized in groups of up to +32 gates. + +This device tree binding describes a single 32 gate clocks group per node. +Clocks are referenced by user nodes by the MSTP node phandle and the clock +index in the group, from 0 to 31. + +Required Properties: + + - compatible: Must be one of the following + - "renesas,r7s72100-mstp-clocks" for R7S72100 (RZ) MSTP gate clocks + - "renesas,r8a73a4-mstp-clocks" for R8A73A4 (R-Mobile APE6) MSTP gate clocks + - "renesas,r8a7740-mstp-clocks" for R8A7740 (R-Mobile A1) MSTP gate clocks + - "renesas,r8a7779-mstp-clocks" for R8A7779 (R-Car H1) MSTP gate clocks + - "renesas,r8a7790-mstp-clocks" for R8A7790 (R-Car H2) MSTP gate clocks + - "renesas,r8a7791-mstp-clocks" for R8A7791 (R-Car M2) MSTP gate clocks + - "renesas,r8a7794-mstp-clocks" for R8A7794 (R-Car E2) MSTP gate clocks + - "renesas,sh73a0-mstp-clocks" for SH73A0 (SH-MobileAG5) MSTP gate clocks + - "renesas,cpg-mstp-clock" for generic MSTP gate clocks + - reg: Base address and length of the I/O mapped registers used by the MSTP + clocks. The first register is the clock control register and is mandatory. + The second register is the clock status register and is optional when not + implemented in hardware. + - clocks: Reference to the parent clocks, one per output clock. The parents + must appear in the same order as the output clocks. + - #clock-cells: Must be 1 + - clock-output-names: The name of the clocks as free-form strings + - clock-indices: Indices of the gate clocks into the group (0 to 31) + +The clocks, clock-output-names and clock-indices properties contain one entry +per gate clock. The MSTP groups are sparsely populated. Unimplemented gate +clocks must not be declared. + + +Example +------- + + #include <dt-bindings/clock/r8a7790-clock.h> + + mstp3_clks: mstp3_clks@e615013c { + compatible = "renesas,r8a7790-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0 0xe615013c 0 4>, <0 0xe6150048 0 4>; + clocks = <&cp_clk>, <&mmc1_clk>, <&sd3_clk>, <&sd2_clk>, + <&cpg_clocks R8A7790_CLK_SD1>, <&cpg_clocks R8A7790_CLK_SD0>, + <&mmc0_clk>; + #clock-cells = <1>; + clock-output-names = + "tpu0", "mmcif1", "sdhi3", "sdhi2", + "sdhi1", "sdhi0", "mmcif0"; + clock-indices = < + R8A7790_CLK_TPU0 R8A7790_CLK_MMCIF1 R8A7790_CLK_SDHI3 + R8A7790_CLK_SDHI2 R8A7790_CLK_SDHI1 R8A7790_CLK_SDHI0 + R8A7790_CLK_MMCIF0 + >; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,r8a73a4-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a73a4-cpg-clocks.txt new file mode 100644 index 000000000..ece92393e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a73a4-cpg-clocks.txt @@ -0,0 +1,33 @@ +* Renesas R8A73A4 Clock Pulse Generator (CPG) + +The CPG generates core clocks for the R8A73A4 SoC. It includes five PLLs +and several fixed ratio dividers. + +Required Properties: + + - compatible: Must be "renesas,r8a73a4-cpg-clocks" + + - reg: Base address and length of the memory resource used by the CPG + + - clocks: Reference to the parent clocks ("extal1" and "extal2") + + - #clock-cells: Must be 1 + + - clock-output-names: The names of the clocks. Supported clocks are "main", + "pll0", "pll1", "pll2", "pll2s", "pll2h", "z", "z2", "i", "m3", "b", + "m1", "m2", "zx", "zs", and "hp". + + +Example +------- + + cpg_clocks: cpg_clocks@e6150000 { + compatible = "renesas,r8a73a4-cpg-clocks"; + reg = <0 0xe6150000 0 0x10000>; + clocks = <&extal1_clk>, <&extal2_clk>; + #clock-cells = <1>; + clock-output-names = "main", "pll0", "pll1", "pll2", + "pll2s", "pll2h", "z", "z2", + "i", "m3", "b", "m1", "m2", + "zx", "zs", "hp"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7740-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7740-cpg-clocks.txt new file mode 100644 index 000000000..2c03302f8 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7740-cpg-clocks.txt @@ -0,0 +1,41 @@ +These bindings should be considered EXPERIMENTAL for now. + +* Renesas R8A7740 Clock Pulse Generator (CPG) + +The CPG generates core clocks for the R8A7740 SoC. It includes three PLLs +and several fixed ratio and variable ratio dividers. + +Required Properties: + + - compatible: Must be "renesas,r8a7740-cpg-clocks" + + - reg: Base address and length of the memory resource used by the CPG + + - clocks: Reference to the three parent clocks + - #clock-cells: Must be 1 + - clock-output-names: The names of the clocks. Supported clocks are + "system", "pllc0", "pllc1", "pllc2", "r", "usb24s", "i", "zg", "b", + "m1", "hp", "hpp", "usbp", "s", "zb", "m3", and "cp". + + - renesas,mode: board-specific settings of the MD_CK* bits + + +Example +------- + +cpg_clocks: cpg_clocks@e6150000 { + compatible = "renesas,r8a7740-cpg-clocks"; + reg = <0xe6150000 0x10000>; + clocks = <&extal1_clk>, <&extal2_clk>, <&extalr_clk>; + #clock-cells = <1>; + clock-output-names = "system", "pllc0", "pllc1", + "pllc2", "r", + "usb24s", + "i", "zg", "b", "m1", "hp", + "hpp", "usbp", "s", "zb", "m3", + "cp"; +}; + +&cpg_clocks { + renesas,mode = <0x05>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt new file mode 100644 index 000000000..2f3747fdc --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt @@ -0,0 +1,25 @@ +* Renesas R8A7778 Clock Pulse Generator (CPG) + +The CPG generates core clocks for the R8A7778. It includes two PLLs and +several fixed ratio dividers + +Required Properties: + + - compatible: Must be "renesas,r8a7778-cpg-clocks" + - reg: Base address and length of the memory resource used by the CPG + - #clock-cells: Must be 1 + - clock-output-names: The names of the clocks. Supported clocks are + "plla", "pllb", "b", "out", "p", "s", and "s1". + + +Example +------- + + cpg_clocks: cpg_clocks@ffc80000 { + compatible = "renesas,r8a7778-cpg-clocks"; + reg = <0xffc80000 0x80>; + #clock-cells = <1>; + clocks = <&extal_clk>; + clock-output-names = "plla", "pllb", "b", + "out", "p", "s", "s1"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt new file mode 100644 index 000000000..ed3c8cb12 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt @@ -0,0 +1,27 @@ +* Renesas R8A7779 Clock Pulse Generator (CPG) + +The CPG generates core clocks for the R8A7779. It includes one PLL and +several fixed ratio dividers + +Required Properties: + + - compatible: Must be "renesas,r8a7779-cpg-clocks" + - reg: Base address and length of the memory resource used by the CPG + + - clocks: Reference to the parent clock + - #clock-cells: Must be 1 + - clock-output-names: The names of the clocks. Supported clocks are "plla", + "z", "zs", "s", "s1", "p", "b", "out". + + +Example +------- + + cpg_clocks: cpg_clocks@ffc80000 { + compatible = "renesas,r8a7779-cpg-clocks"; + reg = <0 0xffc80000 0 0x30>; + clocks = <&extal_clk>; + #clock-cells = <1>; + clock-output-names = "plla", "z", "zs", "s", "s1", "p", + "b", "out"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,rcar-gen2-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,rcar-gen2-cpg-clocks.txt new file mode 100644 index 000000000..b02944fba --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/renesas,rcar-gen2-cpg-clocks.txt @@ -0,0 +1,37 @@ +* Renesas R-Car Gen2 Clock Pulse Generator (CPG) + +The CPG generates core clocks for the R-Car Gen2 SoCs. It includes three PLLs +and several fixed ratio dividers. + +Required Properties: + + - compatible: Must be one of + - "renesas,r8a7790-cpg-clocks" for the r8a7790 CPG + - "renesas,r8a7791-cpg-clocks" for the r8a7791 CPG + - "renesas,r8a7793-cpg-clocks" for the r8a7793 CPG + - "renesas,r8a7794-cpg-clocks" for the r8a7794 CPG + - "renesas,rcar-gen2-cpg-clocks" for the generic R-Car Gen2 CPG + + - reg: Base address and length of the memory resource used by the CPG + + - clocks: References to the parent clocks: first to the EXTAL clock, second + to the USB_EXTAL clock + - #clock-cells: Must be 1 + - clock-output-names: The names of the clocks. Supported clocks are "main", + "pll0", "pll1", "pll3", "lb", "qspi", "sdh", "sd0", "sd1", "z", "rcan", and + "adsp" + + +Example +------- + + cpg_clocks: cpg_clocks@e6150000 { + compatible = "renesas,r8a7790-cpg-clocks", + "renesas,rcar-gen2-cpg-clocks"; + reg = <0 0xe6150000 0 0x1000>; + clocks = <&extal_clk &usb_extal_clk>; + #clock-cells = <1>; + clock-output-names = "main", "pll0, "pll1", "pll3", + "lb", "qspi", "sdh", "sd0", "sd1", "z", + "rcan", "adsp"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt new file mode 100644 index 000000000..98a257492 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt @@ -0,0 +1,29 @@ +* Renesas RZ Clock Pulse Generator (CPG) + +The CPG generates core clocks for the RZ SoCs. It includes the PLL, variable +CPU and GPU clocks, and several fixed ratio dividers. + +Required Properties: + + - compatible: Must be one of + - "renesas,r7s72100-cpg-clocks" for the r7s72100 CPG + - "renesas,rz-cpg-clocks" for the generic RZ CPG + - reg: Base address and length of the memory resource used by the CPG + - clocks: References to possible parent clocks. Order must match clock modes + in the datasheet. For the r7s72100, this is extal, usb_x1. + - #clock-cells: Must be 1 + - clock-output-names: The names of the clocks. Supported clocks are "pll", + "i", and "g" + + +Example +------- + + cpg_clocks: cpg_clocks@fcfe0000 { + #clock-cells = <1>; + compatible = "renesas,r7s72100-cpg-clocks", + "renesas,rz-cpg-clocks"; + reg = <0xfcfe0000 0x18>; + clocks = <&extal_clk>, <&usb_x1_clk>; + clock-output-names = "pll", "i", "g"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,sh73a0-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,sh73a0-cpg-clocks.txt new file mode 100644 index 000000000..a8978ec94 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/renesas,sh73a0-cpg-clocks.txt @@ -0,0 +1,35 @@ +These bindings should be considered EXPERIMENTAL for now. + +* Renesas SH73A0 Clock Pulse Generator (CPG) + +The CPG generates core clocks for the SH73A0 SoC. It includes four PLLs +and several fixed ratio dividers. + +Required Properties: + + - compatible: Must be "renesas,sh73a0-cpg-clocks" + + - reg: Base address and length of the memory resource used by the CPG + + - clocks: Reference to the parent clocks ("extal1" and "extal2") + + - #clock-cells: Must be 1 + + - clock-output-names: The names of the clocks. Supported clocks are "main", + "pll0", "pll1", "pll2", "pll3", "dsi0phy", "dsi1phy", "zg", "m3", "b", + "m1", "m2", "z", "zx", and "hp". + + +Example +------- + + cpg_clocks: cpg_clocks@e6150000 { + compatible = "renesas,sh73a0-cpg-clocks"; + reg = <0 0xe6150000 0 0x10000>; + clocks = <&extal1_clk>, <&extal2_clk>; + #clock-cells = <1>; + clock-output-names = "main", "pll0", "pll1", "pll2", + "pll3", "dsi0phy", "dsi1phy", + "zg", "m3", "b", "m1", "m2", + "z", "zx", "hp"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/rockchip,rk3188-cru.txt b/kernel/Documentation/devicetree/bindings/clock/rockchip,rk3188-cru.txt new file mode 100644 index 000000000..0c2bf5eba --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/rockchip,rk3188-cru.txt @@ -0,0 +1,61 @@ +* Rockchip RK3188/RK3066 Clock and Reset Unit + +The RK3188/RK3066 clock controller generates and supplies clock to various +controllers within the SoC and also implements a reset controller for SoC +peripherals. + +Required Properties: + +- compatible: should be "rockchip,rk3188-cru", "rockchip,rk3188a-cru" or + "rockchip,rk3066a-cru" +- reg: physical base address of the controller and length of memory mapped + region. +- #clock-cells: should be 1. +- #reset-cells: should be 1. + +Optional Properties: + +- rockchip,grf: phandle to the syscon managing the "general register files" + If missing pll rates are not changable, due to the missing pll lock status. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. All available clocks are defined as +preprocessor macros in the dt-bindings/clock/rk3188-cru.h and +dt-bindings/clock/rk3066-cru.h headers and can be used in device tree sources. +Similar macros exist for the reset sources in these files. + +External clocks: + +There are several clocks that are generated outside the SoC. It is expected +that they are defined using standard clock bindings with following +clock-output-names: + - "xin24m" - crystal input - required, + - "xin32k" - rtc clock - optional, + - "xin27m" - 27mhz crystal input on rk3066 - optional, + - "ext_hsadc" - external HSADC clock - optional, + - "ext_cif0" - external camera clock - optional, + - "ext_rmii" - external RMII clock - optional, + - "ext_jtag" - externalJTAG clock - optional + +Example: Clock controller node: + + cru: cru@20000000 { + compatible = "rockchip,rk3188-cru"; + reg = <0x20000000 0x1000>; + rockchip,grf = <&grf>; + + #clock-cells = <1>; + #reset-cells = <1>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller: + + uart0: serial@10124000 { + compatible = "snps,dw-apb-uart"; + reg = <0x10124000 0x400>; + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <1>; + clocks = <&cru SCLK_UART0>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt b/kernel/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt new file mode 100644 index 000000000..c9fbb7657 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt @@ -0,0 +1,61 @@ +* Rockchip RK3288 Clock and Reset Unit + +The RK3288 clock controller generates and supplies clock to various +controllers within the SoC and also implements a reset controller for SoC +peripherals. + +Required Properties: + +- compatible: should be "rockchip,rk3288-cru" +- reg: physical base address of the controller and length of memory mapped + region. +- #clock-cells: should be 1. +- #reset-cells: should be 1. + +Optional Properties: + +- rockchip,grf: phandle to the syscon managing the "general register files" + If missing pll rates are not changable, due to the missing pll lock status. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. All available clocks are defined as +preprocessor macros in the dt-bindings/clock/rk3288-cru.h headers and can be +used in device tree sources. Similar macros exist for the reset sources in +these files. + +External clocks: + +There are several clocks that are generated outside the SoC. It is expected +that they are defined using standard clock bindings with following +clock-output-names: + - "xin24m" - crystal input - required, + - "xin32k" - rtc clock - optional, + - "ext_i2s" - external I2S clock - optional, + - "ext_hsadc" - external HSADC clock - optional, + - "ext_edp_24m" - external display port clock - optional, + - "ext_vip" - external VIP clock - optional, + - "ext_isp" - external ISP clock - optional, + - "ext_jtag" - external JTAG clock - optional + +Example: Clock controller node: + + cru: cru@20000000 { + compatible = "rockchip,rk3188-cru"; + reg = <0x20000000 0x1000>; + rockchip,grf = <&grf>; + + #clock-cells = <1>; + #reset-cells = <1>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller: + + uart0: serial@10124000 { + compatible = "snps,dw-apb-uart"; + reg = <0x10124000 0x400>; + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <1>; + clocks = <&cru SCLK_UART0>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/rockchip.txt b/kernel/Documentation/devicetree/bindings/clock/rockchip.txt new file mode 100644 index 000000000..22f6769e5 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/rockchip.txt @@ -0,0 +1,77 @@ +Device Tree Clock bindings for arch-rockchip + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +== Gate clocks == + +These bindings are deprecated! +Please use the soc specific CRU bindings instead. + +The gate registers form a continuos block which makes the dt node +structure a matter of taste, as either all gates can be put into +one gate clock spanning all registers or they can be divided into +the 10 individual gates containing 16 clocks each. +The code supports both approaches. + +Required properties: +- compatible : "rockchip,rk2928-gate-clk" +- reg : shall be the control register address(es) for the clock. +- #clock-cells : from common clock binding; shall be set to 1 +- clock-output-names : the corresponding gate names that the clock controls +- clocks : should contain the parent clock for each individual gate, + therefore the number of clocks elements should match the number of + clock-output-names + +Example using multiple gate clocks: + + clk_gates0: gate-clk@200000d0 { + compatible = "rockchip,rk2928-gate-clk"; + reg = <0x200000d0 0x4>; + clocks = <&dummy>, <&dummy>, + <&dummy>, <&dummy>, + <&dummy>, <&dummy>, + <&dummy>, <&dummy>, + <&dummy>, <&dummy>, + <&dummy>, <&dummy>, + <&dummy>, <&dummy>, + <&dummy>, <&dummy>; + + clock-output-names = + "gate_core_periph", "gate_cpu_gpll", + "gate_ddrphy", "gate_aclk_cpu", + "gate_hclk_cpu", "gate_pclk_cpu", + "gate_atclk_cpu", "gate_i2s0", + "gate_i2s0_frac", "gate_i2s1", + "gate_i2s1_frac", "gate_i2s2", + "gate_i2s2_frac", "gate_spdif", + "gate_spdif_frac", "gate_testclk"; + + #clock-cells = <1>; + }; + + clk_gates1: gate-clk@200000d4 { + compatible = "rockchip,rk2928-gate-clk"; + reg = <0x200000d4 0x4>; + clocks = <&xin24m>, <&xin24m>, + <&xin24m>, <&dummy>, + <&dummy>, <&xin24m>, + <&xin24m>, <&dummy>, + <&xin24m>, <&dummy>, + <&xin24m>, <&dummy>, + <&xin24m>, <&dummy>, + <&xin24m>, <&dummy>; + + clock-output-names = + "gate_timer0", "gate_timer1", + "gate_timer2", "gate_jtag", + "gate_aclk_lcdc1_src", "gate_otgphy0", + "gate_otgphy1", "gate_ddr_gpll", + "gate_uart0", "gate_frac_uart0", + "gate_uart1", "gate_frac_uart1", + "gate_uart2", "gate_frac_uart2", + "gate_uart3", "gate_frac_uart3"; + + #clock-cells = <1>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/samsung,s3c2410-clock.txt b/kernel/Documentation/devicetree/bindings/clock/samsung,s3c2410-clock.txt new file mode 100644 index 000000000..822505e71 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/samsung,s3c2410-clock.txt @@ -0,0 +1,50 @@ +* Samsung S3C2410 Clock Controller + +The S3C2410 clock controller generates and supplies clock to various controllers +within the SoC. The clock binding described here is applicable to the s3c2410, +s3c2440 and s3c2442 SoCs in the s3c24x family. + +Required Properties: + +- compatible: should be one of the following. + - "samsung,s3c2410-clock" - controller compatible with S3C2410 SoC. + - "samsung,s3c2440-clock" - controller compatible with S3C2440 SoC. + - "samsung,s3c2442-clock" - controller compatible with S3C2442 SoC. +- reg: physical base address of the controller and length of memory mapped + region. +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. Some of the clocks are available only +on a particular SoC. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/s3c2410.h header and can be used in device +tree sources. + +External clocks: + +The xti clock used as input for the plls is generated outside the SoC. It is +expected that is are defined using standard clock bindings with a +clock-output-names value of "xti". + +Example: Clock controller node: + + clocks: clock-controller@4c000000 { + compatible = "samsung,s3c2410-clock"; + reg = <0x4c000000 0x20>; + #clock-cells = <1>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller (refer to the standard clock bindings for information about + "clocks" and "clock-names" properties): + + serial@50004000 { + compatible = "samsung,s3c2440-uart"; + reg = <0x50004000 0x4000>; + interrupts = <1 23 3 4>, <1 23 4 4>; + clock-names = "uart", "clk_uart_baud2"; + clocks = <&clocks PCLK_UART0>, <&clocks PCLK_UART0>; + status = "disabled"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/samsung,s3c2412-clock.txt b/kernel/Documentation/devicetree/bindings/clock/samsung,s3c2412-clock.txt new file mode 100644 index 000000000..2b430960b --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/samsung,s3c2412-clock.txt @@ -0,0 +1,50 @@ +* Samsung S3C2412 Clock Controller + +The S3C2412 clock controller generates and supplies clock to various controllers +within the SoC. The clock binding described here is applicable to the s3c2412 +and s3c2413 SoCs in the s3c24x family. + +Required Properties: + +- compatible: should be "samsung,s3c2412-clock" +- reg: physical base address of the controller and length of memory mapped + region. +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. Some of the clocks are available only +on a particular SoC. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/s3c2412.h header and can be used in device +tree sources. + +External clocks: + +There are several clocks that are generated outside the SoC. It is expected +that they are defined using standard clock bindings with following +clock-output-names: + - "xti" - crystal input - required, + - "ext" - external clock source - optional, + +Example: Clock controller node: + + clocks: clock-controller@4c000000 { + compatible = "samsung,s3c2412-clock"; + reg = <0x4c000000 0x20>; + #clock-cells = <1>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller (refer to the standard clock bindings for information about + "clocks" and "clock-names" properties): + + serial@50004000 { + compatible = "samsung,s3c2412-uart"; + reg = <0x50004000 0x4000>; + interrupts = <1 23 3 4>, <1 23 4 4>; + clock-names = "uart", "clk_uart_baud2", "clk_uart_baud3"; + clocks = <&clocks PCLK_UART0>, <&clocks PCLK_UART0>, + <&clocks SCLK_UART>; + status = "disabled"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/samsung,s3c2443-clock.txt b/kernel/Documentation/devicetree/bindings/clock/samsung,s3c2443-clock.txt new file mode 100644 index 000000000..e67bb0547 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/samsung,s3c2443-clock.txt @@ -0,0 +1,56 @@ +* Samsung S3C2443 Clock Controller + +The S3C2443 clock controller generates and supplies clock to various controllers +within the SoC. The clock binding described here is applicable to all SoCs in +the s3c24x family starting with the s3c2443. + +Required Properties: + +- compatible: should be one of the following. + - "samsung,s3c2416-clock" - controller compatible with S3C2416 SoC. + - "samsung,s3c2443-clock" - controller compatible with S3C2443 SoC. + - "samsung,s3c2450-clock" - controller compatible with S3C2450 SoC. +- reg: physical base address of the controller and length of memory mapped + region. +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. Some of the clocks are available only +on a particular SoC. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/s3c2443.h header and can be used in device +tree sources. + +External clocks: + +There are several clocks that are generated outside the SoC. It is expected +that they are defined using standard clock bindings with following +clock-output-names: + - "xti" - crystal input - required, + - "ext" - external clock source - optional, + - "ext_i2s" - external I2S clock - optional, + - "ext_uart" - external uart clock - optional, + +Example: Clock controller node: + + clocks: clock-controller@4c000000 { + compatible = "samsung,s3c2416-clock"; + reg = <0x4c000000 0x40>; + #clock-cells = <1>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller (refer to the standard clock bindings for information about + "clocks" and "clock-names" properties): + + serial@50004000 { + compatible = "samsung,s3c2440-uart"; + reg = <0x50004000 0x4000>; + interrupts = <1 23 3 4>, <1 23 4 4>; + clock-names = "uart", "clk_uart_baud2", + "clk_uart_baud3"; + clocks = <&clocks PCLK_UART0>, <&clocks PCLK_UART0>, + <&clocks SCLK_UART>; + status = "disabled"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/samsung,s3c64xx-clock.txt b/kernel/Documentation/devicetree/bindings/clock/samsung,s3c64xx-clock.txt new file mode 100644 index 000000000..fa171dc4b --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/samsung,s3c64xx-clock.txt @@ -0,0 +1,77 @@ +* Samsung S3C64xx Clock Controller + +The S3C64xx clock controller generates and supplies clock to various controllers +within the SoC. The clock binding described here is applicable to all SoCs in +the S3C64xx family. + +Required Properties: + +- compatible: should be one of the following. + - "samsung,s3c6400-clock" - controller compatible with S3C6400 SoC. + - "samsung,s3c6410-clock" - controller compatible with S3C6410 SoC. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. Some of the clocks are available only +on a particular S3C64xx SoC and this is specified where applicable. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/samsung,s3c64xx-clock.h header and can be used in device +tree sources. + +External clocks: + +There are several clocks that are generated outside the SoC. It is expected +that they are defined using standard clock bindings with following +clock-output-names: + - "fin_pll" - PLL input clock (xtal/extclk) - required, + - "xusbxti" - USB xtal - required, + - "iiscdclk0" - I2S0 codec clock - optional, + - "iiscdclk1" - I2S1 codec clock - optional, + - "iiscdclk2" - I2S2 codec clock - optional, + - "pcmcdclk0" - PCM0 codec clock - optional, + - "pcmcdclk1" - PCM1 codec clock - optional, only S3C6410. + +Example: Clock controller node: + + clock: clock-controller@7e00f000 { + compatible = "samsung,s3c6410-clock"; + reg = <0x7e00f000 0x1000>; + #clock-cells = <1>; + }; + +Example: Required external clocks: + + fin_pll: clock-fin-pll { + compatible = "fixed-clock"; + clock-output-names = "fin_pll"; + clock-frequency = <12000000>; + #clock-cells = <0>; + }; + + xusbxti: clock-xusbxti { + compatible = "fixed-clock"; + clock-output-names = "xusbxti"; + clock-frequency = <48000000>; + #clock-cells = <0>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller (refer to the standard clock bindings for information about + "clocks" and "clock-names" properties): + + uart0: serial@7f005000 { + compatible = "samsung,s3c6400-uart"; + reg = <0x7f005000 0x100>; + interrupt-parent = <&vic1>; + interrupts = <5>; + clock-names = "uart", "clk_uart_baud2", + "clk_uart_baud3"; + clocks = <&clock PCLK_UART0>, <&clocks PCLK_UART0>, + <&clock SCLK_UART>; + status = "disabled"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/samsung,s5pv210-clock.txt b/kernel/Documentation/devicetree/bindings/clock/samsung,s5pv210-clock.txt new file mode 100644 index 000000000..effd9401c --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/samsung,s5pv210-clock.txt @@ -0,0 +1,78 @@ +* Samsung S5P6442/S5PC110/S5PV210 Clock Controller + +Samsung S5P6442, S5PC110 and S5PV210 SoCs contain integrated clock +controller, which generates and supplies clock to various controllers +within the SoC. + +Required Properties: + +- compatible: should be one of following: + - "samsung,s5pv210-clock" : for clock controller of Samsung + S5PC110/S5PV210 SoCs, + - "samsung,s5p6442-clock" : for clock controller of Samsung + S5P6442 SoC. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +All available clocks are defined as preprocessor macros in +dt-bindings/clock/s5pv210.h header and can be used in device tree sources. + +External clocks: + +There are several clocks that are generated outside the SoC. It is expected +that they are defined using standard clock bindings with following +clock-output-names: + - "xxti": external crystal oscillator connected to XXTI and XXTO pins of +the SoC, + - "xusbxti": external crystal oscillator connected to XUSBXTI and XUSBXTO +pins of the SoC, + +A subset of above clocks available on given board shall be specified in +board device tree, including the system base clock, as selected by XOM[0] +pin of the SoC. Refer to generic fixed rate clock bindings +documentation[1] for more information how to specify these clocks. + +[1] Documentation/devicetree/bindings/clock/fixed-clock.txt + +Example: Clock controller node: + + clock: clock-controller@7e00f000 { + compatible = "samsung,s5pv210-clock"; + reg = <0x7e00f000 0x1000>; + #clock-cells = <1>; + }; + +Example: Required external clocks: + + xxti: clock-xxti { + compatible = "fixed-clock"; + clock-output-names = "xxti"; + clock-frequency = <24000000>; + #clock-cells = <0>; + }; + + xusbxti: clock-xusbxti { + compatible = "fixed-clock"; + clock-output-names = "xusbxti"; + clock-frequency = <24000000>; + #clock-cells = <0>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller (refer to the standard clock bindings for information about + "clocks" and "clock-names" properties): + + uart0: serial@e2900000 { + compatible = "samsung,s5pv210-uart"; + reg = <0xe2900000 0x400>; + interrupt-parent = <&vic1>; + interrupts = <10>; + clock-names = "uart", "clk_uart_baud0", + "clk_uart_baud1"; + clocks = <&clocks UART0>, <&clocks UART0>, + <&clocks SCLK_UART0>; + status = "disabled"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/silabs,si5351.txt b/kernel/Documentation/devicetree/bindings/clock/silabs,si5351.txt new file mode 100644 index 000000000..28b28309f --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/silabs,si5351.txt @@ -0,0 +1,121 @@ +Binding for Silicon Labs Si5351a/b/c programmable i2c clock generator. + +Reference +[1] Si5351A/B/C Data Sheet + http://www.silabs.com/Support%20Documents/TechnicalDocs/Si5351.pdf + +The Si5351a/b/c are programmable i2c clock generators with up to 8 output +clocks. Si5351a also has a reduced pin-count package (MSOP10) where only +3 output clocks are accessible. The internal structure of the clock +generators can be found in [1]. + +==I2C device node== + +Required properties: +- compatible: shall be one of "silabs,si5351{a,a-msop,b,c}". +- reg: i2c device address, shall be 0x60 or 0x61. +- #clock-cells: from common clock binding; shall be set to 1. +- clocks: from common clock binding; list of parent clock + handles, shall be xtal reference clock or xtal and clkin for + si5351c only. Corresponding clock input names are "xtal" and + "clkin" respectively. +- #address-cells: shall be set to 1. +- #size-cells: shall be set to 0. + +Optional properties: +- silabs,pll-source: pair of (number, source) for each pll. Allows + to overwrite clock source of pll A (number=0) or B (number=1). + +==Child nodes== + +Each of the clock outputs can be overwritten individually by +using a child node to the I2C device node. If a child node for a clock +output is not set, the eeprom configuration is not overwritten. + +Required child node properties: +- reg: number of clock output. + +Optional child node properties: +- silabs,clock-source: source clock of the output divider stage N, shall be + 0 = multisynth N + 1 = multisynth 0 for output clocks 0-3, else multisynth4 + 2 = xtal + 3 = clkin (si5351c only) +- silabs,drive-strength: output drive strength in mA, shall be one of {2,4,6,8}. +- silabs,multisynth-source: source pll A(0) or B(1) of corresponding multisynth + divider. +- silabs,pll-master: boolean, multisynth can change pll frequency. +- silabs,disable-state : clock output disable state, shall be + 0 = clock output is driven LOW when disabled + 1 = clock output is driven HIGH when disabled + 2 = clock output is FLOATING (HIGH-Z) when disabled + 3 = clock output is NEVER disabled + +==Example== + +/* 25MHz reference crystal */ +ref25: ref25M { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; +}; + +i2c-master-node { + + /* Si5351a msop10 i2c clock generator */ + si5351a: clock-generator@60 { + compatible = "silabs,si5351a-msop"; + reg = <0x60>; + #address-cells = <1>; + #size-cells = <0>; + #clock-cells = <1>; + + /* connect xtal input to 25MHz reference */ + clocks = <&ref25>; + clock-names = "xtal"; + + /* connect xtal input as source of pll0 and pll1 */ + silabs,pll-source = <0 0>, <1 0>; + + /* + * overwrite clkout0 configuration with: + * - 8mA output drive strength + * - pll0 as clock source of multisynth0 + * - multisynth0 as clock source of output divider + * - multisynth0 can change pll0 + * - set initial clock frequency of 74.25MHz + */ + clkout0 { + reg = <0>; + silabs,drive-strength = <8>; + silabs,multisynth-source = <0>; + silabs,clock-source = <0>; + silabs,pll-master; + clock-frequency = <74250000>; + }; + + /* + * overwrite clkout1 configuration with: + * - 4mA output drive strength + * - pll1 as clock source of multisynth1 + * - multisynth1 as clock source of output divider + * - multisynth1 can change pll1 + */ + clkout1 { + reg = <1>; + silabs,drive-strength = <4>; + silabs,multisynth-source = <1>; + silabs,clock-source = <0>; + pll-master; + }; + + /* + * overwrite clkout2 configuration with: + * - xtal as clock source of output divider + */ + clkout2 { + reg = <2>; + silabs,clock-source = <2>; + }; + }; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/silabs,si570.txt b/kernel/Documentation/devicetree/bindings/clock/silabs,si570.txt new file mode 100644 index 000000000..c09f21e1d --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/silabs,si570.txt @@ -0,0 +1,39 @@ +Binding for Silicon Labs 570, 571, 598 and 599 programmable +I2C clock generators. + +Reference +This binding uses the common clock binding[1]. Details about the devices can be +found in the data sheets[2][3]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Si570/571 Data Sheet + http://www.silabs.com/Support%20Documents/TechnicalDocs/si570.pdf +[3] Si598/599 Data Sheet + http://www.silabs.com/Support%20Documents/TechnicalDocs/si598-99.pdf + +Required properties: + - compatible: Shall be one of "silabs,si570", "silabs,si571", + "silabs,si598", "silabs,si599" + - reg: I2C device address. + - #clock-cells: From common clock bindings: Shall be 0. + - factory-fout: Factory set default frequency. This frequency is part specific. + The correct frequency for the part used has to be provided in + order to generate the correct output frequencies. For more + details, please refer to the data sheet. + - temperature-stability: Temperature stability of the device in PPM. Should be + one of: 7, 20, 50 or 100. + +Optional properties: + - clock-output-names: From common clock bindings. Recommended to be "si570". + - clock-frequency: Output frequency to generate. This defines the output + frequency set during boot. It can be reprogrammed during + runtime through the common clock framework. + +Example: + si570: clock-generator@5d { + #clock-cells = <0>; + compatible = "silabs,si570"; + temperature-stability = <50>; + reg = <0x5d>; + factory-fout = <156250000>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/st,nomadik.txt b/kernel/Documentation/devicetree/bindings/clock/st,nomadik.txt new file mode 100644 index 000000000..40e0cf1f7 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/st,nomadik.txt @@ -0,0 +1,104 @@ +ST Microelectronics Nomadik SRC System Reset and Control + +This binding uses the common clock binding: +Documentation/devicetree/bindings/clock/clock-bindings.txt + +The Nomadik SRC controller is responsible of controlling chrystals, +PLLs and clock gates. + +Required properties for the SRC node: +- compatible: must be "stericsson,nomadik-src" +- reg: must contain the SRC register base and size + +Optional properties for the SRC node: +- disable-sxtalo: if present this will disable the SXTALO + i.e. the driver output for the slow 32kHz chrystal, if the + board has its own circuitry for providing this oscillator +- disable-mxtal: if present this will disable the MXTALO, + i.e. the driver output for the main (~19.2 MHz) chrystal, + if the board has its own circuitry for providing this + oscillator + + +PLL nodes: these nodes represent the two PLLs on the system, +which should both have the main chrystal, represented as a +fixed frequency clock, as parent. + +Required properties for the two PLL nodes: +- compatible: must be "st,nomadik-pll-clock" +- clock-cells: must be 0 +- clock-id: must be 1 or 2 for PLL1 and PLL2 respectively +- clocks: this clock will have main chrystal as parent + + +HCLK nodes: these represent the clock gates on individual +lines from the HCLK clock tree and the gate for individual +lines from the PCLK clock tree. + +Requires properties for the HCLK nodes: +- compatible: must be "st,nomadik-hclk-clock" +- clock-cells: must be 0 +- clock-id: must be the clock ID from 0 to 63 according to + this table: + + 0: HCLKDMA0 + 1: HCLKSMC + 2: HCLKSDRAM + 3: HCLKDMA1 + 4: HCLKCLCD + 5: PCLKIRDA + 6: PCLKSSP + 7: PCLKUART0 + 8: PCLKSDI + 9: PCLKI2C0 + 10: PCLKI2C1 + 11: PCLKUART1 + 12: PCLMSP0 + 13: HCLKUSB + 14: HCLKDIF + 15: HCLKSAA + 16: HCLKSVA + 17: PCLKHSI + 18: PCLKXTI + 19: PCLKUART2 + 20: PCLKMSP1 + 21: PCLKMSP2 + 22: PCLKOWM + 23: HCLKHPI + 24: PCLKSKE + 25: PCLKHSEM + 26: HCLK3D + 27: HCLKHASH + 28: HCLKCRYP + 29: PCLKMSHC + 30: HCLKUSBM + 31: HCLKRNG + (32, 33, 34, 35 RESERVED) + 36: CLDCLK + 37: IRDACLK + 38: SSPICLK + 39: UART0CLK + 40: SDICLK + 41: I2C0CLK + 42: I2C1CLK + 43: UART1CLK + 44: MSPCLK0 + 45: USBCLK + 46: DIFCLK + 47: IPI2CCLK + 48: IPBMCCLK + 49: HSICLKRX + 50: HSICLKTX + 51: UART2CLK + 52: MSPCLK1 + 53: MSPCLK2 + 54: OWMCLK + (55 RESERVED) + 56: SKECLK + (57 RESERVED) + 58: 3DCLK + 59: PCLKMSP3 + 60: MSPCLK3 + 61: MSHCCLK + 62: USBMCLK + 63: RNGCCLK diff --git a/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-divmux.txt b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-divmux.txt new file mode 100644 index 000000000..624765204 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-divmux.txt @@ -0,0 +1,49 @@ +Binding for a ST divider and multiplexer clock driver. + +This binding uses the common clock binding[1]. +Base address is located to the parent node. See clock binding[2] + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/st/st,clkgen.txt + +Required properties: + +- compatible : shall be: + "st,clkgena-divmux-c65-hs", "st,clkgena-divmux" + "st,clkgena-divmux-c65-ls", "st,clkgena-divmux" + "st,clkgena-divmux-c32-odf0", "st,clkgena-divmux" + "st,clkgena-divmux-c32-odf1", "st,clkgena-divmux" + "st,clkgena-divmux-c32-odf2", "st,clkgena-divmux" + "st,clkgena-divmux-c32-odf3", "st,clkgena-divmux" + +- #clock-cells : From common clock binding; shall be set to 1. + +- clocks : From common clock binding + +- clock-output-names : From common clock binding. + +Example: + + clockgen-a@fd345000 { + reg = <0xfd345000 0xb50>; + + clk_m_a1_div1: clk-m-a1-div1 { + #clock-cells = <1>; + compatible = "st,clkgena-divmux-c32-odf1", + "st,clkgena-divmux"; + + clocks = <&clk_m_a1_osc_prediv>, + <&clk_m_a1_pll0 1>, /* PLL0 PHI1 */ + <&clk_m_a1_pll1 1>; /* PLL1 PHI1 */ + + clock-output-names = "clk-m-rx-icn-ts", + "clk-m-rx-icn-vdp-0", + "", /* unused */ + "clk-m-prv-t1-bus", + "clk-m-icn-reg-12", + "clk-m-icn-reg-10", + "", /* unused */ + "clk-m-icn-st231"; + }; + }; + diff --git a/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-mux.txt b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-mux.txt new file mode 100644 index 000000000..f1fa91c68 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-mux.txt @@ -0,0 +1,36 @@ +Binding for a ST multiplexed clock driver. + +This binding supports only simple indexed multiplexers, it does not +support table based parent index to hardware value translations. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: + +- compatible : shall be: + "st,stih416-clkgenc-vcc-hd", "st,clkgen-mux" + "st,stih416-clkgenf-vcc-fvdp", "st,clkgen-mux" + "st,stih416-clkgenf-vcc-hva", "st,clkgen-mux" + "st,stih416-clkgenf-vcc-hd", "st,clkgen-mux" + "st,stih416-clkgenf-vcc-sd", "st,clkgen-mux" + "st,stih415-clkgen-a9-mux", "st,clkgen-mux" + "st,stih416-clkgen-a9-mux", "st,clkgen-mux" + "st,stih407-clkgen-a9-mux", "st,clkgen-mux" + +- #clock-cells : from common clock binding; shall be set to 0. + +- reg : A Base address and length of the register set. + +- clocks : from common clock binding + +Example: + + clk_m_hva: clk-m-hva@fd690868 { + #clock-cells = <0>; + compatible = "st,stih416-clkgenf-vcc-hva", "st,clkgen-mux"; + reg = <0xfd690868 4>; + + clocks = <&clockgen_f 1>, <&clk_m_a1_div0 3>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt new file mode 100644 index 000000000..efb51cf0c --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt @@ -0,0 +1,51 @@ +Binding for a ST pll clock driver. + +This binding uses the common clock binding[1]. +Base address is located to the parent node. See clock binding[2] + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/st/st,clkgen.txt + +Required properties: + +- compatible : shall be: + "st,clkgena-prediv-c65", "st,clkgena-prediv" + "st,clkgena-prediv-c32", "st,clkgena-prediv" + + "st,clkgena-plls-c65" + "st,plls-c32-a1x-0", "st,clkgen-plls-c32" + "st,plls-c32-a1x-1", "st,clkgen-plls-c32" + "st,stih415-plls-c32-a9", "st,clkgen-plls-c32" + "st,stih415-plls-c32-ddr", "st,clkgen-plls-c32" + "st,stih416-plls-c32-a9", "st,clkgen-plls-c32" + "st,stih416-plls-c32-ddr", "st,clkgen-plls-c32" + "st,stih407-plls-c32-a0", "st,clkgen-plls-c32" + "st,stih407-plls-c32-a9", "st,clkgen-plls-c32" + "st,stih407-plls-c32-c0_0", "st,clkgen-plls-c32" + "st,stih407-plls-c32-c0_1", "st,clkgen-plls-c32" + + "st,stih415-gpu-pll-c32", "st,clkgengpu-pll-c32" + "st,stih416-gpu-pll-c32", "st,clkgengpu-pll-c32" + +- #clock-cells : From common clock binding; shall be set to 1. + +- clocks : From common clock binding + +- clock-output-names : From common clock binding. + +Example: + + clockgen-a@fee62000 { + reg = <0xfee62000 0xb48>; + + clk_s_a0_pll: clk-s-a0-pll { + #clock-cells = <1>; + compatible = "st,clkgena-plls-c65"; + + clocks = <&clk_sysin>; + + clock-output-names = "clk-s-a0-pll0-hs", + "clk-s-a0-pll0-ls", + "clk-s-a0-pll1"; + }; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-prediv.txt b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-prediv.txt new file mode 100644 index 000000000..604766c26 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-prediv.txt @@ -0,0 +1,36 @@ +Binding for a ST pre-divider clock driver. + +This binding uses the common clock binding[1]. +Base address is located to the parent node. See clock binding[2] + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/st/st,clkgen.txt + +Required properties: + +- compatible : shall be: + "st,clkgena-prediv-c65", "st,clkgena-prediv" + "st,clkgena-prediv-c32", "st,clkgena-prediv" + +- #clock-cells : From common clock binding; shall be set to 0. + +- clocks : From common clock binding + +- clock-output-names : From common clock binding. + +Example: + + clockgen-a@fd345000 { + reg = <0xfd345000 0xb50>; + + clk_m_a2_osc_prediv: clk-m-a2-osc-prediv { + #clock-cells = <0>; + compatible = "st,clkgena-prediv-c32", + "st,clkgena-prediv"; + + clocks = <&clk_sysin>; + + clock-output-names = "clk-m-a2-osc-prediv"; + }; + }; + diff --git a/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-vcc.txt b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-vcc.txt new file mode 100644 index 000000000..109b3eddc --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-vcc.txt @@ -0,0 +1,61 @@ +Binding for a type of STMicroelectronics clock crossbar (VCC). + +The crossbar can take up to 4 input clocks and control up to 16 +output clocks. Not all inputs or outputs have to be in use in a +particular instantiation. Each output can be individually enabled, +select any of the input clocks and apply a divide (by 1,2,4 or 8) to +that selected clock. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: + +- compatible : shall be: + "st,stih416-clkgenc", "st,vcc" + "st,stih416-clkgenf", "st,vcc" + +- #clock-cells : from common clock binding; shall be set to 1. + +- reg : A Base address and length of the register set. + +- clocks : from common clock binding + +- clock-output-names : From common clock binding. The block has 16 + clock outputs but not all of them in a specific instance + have to be used in the SoC. If a clock name is left as + an empty string then no clock will be created for the + output associated with that string index. If fewer than + 16 strings are provided then no clocks will be created + for the remaining outputs. + +Example: + + clockgen_c_vcc: clockgen-c-vcc@0xfe8308ac { + #clock-cells = <1>; + compatible = "st,stih416-clkgenc", "st,clkgen-vcc"; + reg = <0xfe8308ac 12>; + + clocks = <&clk_s_vcc_hd>, + <&clockgen_c 1>, + <&clk_s_tmds_fromphy>, + <&clockgen_c 2>; + + clock-output-names = "clk-s-pix-hdmi", + "clk-s-pix-dvo", + "clk-s-out-dvo", + "clk-s-pix-hd", + "clk-s-hddac", + "clk-s-denc", + "clk-s-sddac", + "clk-s-pix-main", + "clk-s-pix-aux", + "clk-s-stfe-frc-0", + "clk-s-ref-mcru", + "clk-s-slave-mcru", + "clk-s-tmds-hdmi", + "clk-s-hdmi-reject-pll", + "clk-s-thsens"; + }; + diff --git a/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen.txt b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen.txt new file mode 100644 index 000000000..78978f1f5 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen.txt @@ -0,0 +1,100 @@ +Binding for a Clockgen hardware block found on +certain STMicroelectronics consumer electronics SoC devices. + +A Clockgen node can contain pll, diviser or multiplexer nodes. + +We will find only the base address of the Clockgen, this base +address is common of all subnode. + + clockgen_node { + reg = <>; + + pll_node { + ... + }; + + prediv_node { + ... + }; + + divmux_node { + ... + }; + + quadfs_node { + ... + }; + + mux_node { + ... + }; + + vcc_node { + ... + }; + + flexgen_node { + ... + }; + ... + }; + +This binding uses the common clock binding[1]. +Each subnode should use the binding discribe in [2]..[7] + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/st,clkgen-divmux.txt +[3] Documentation/devicetree/bindings/clock/st,clkgen-mux.txt +[4] Documentation/devicetree/bindings/clock/st,clkgen-pll.txt +[5] Documentation/devicetree/bindings/clock/st,clkgen-prediv.txt +[6] Documentation/devicetree/bindings/clock/st,vcc.txt +[7] Documentation/devicetree/bindings/clock/st,quadfs.txt +[8] Documentation/devicetree/bindings/clock/st,flexgen.txt + + +Required properties: +- reg : A Base address and length of the register set. + +Example: + + clockgen-a@fee62000 { + + reg = <0xfee62000 0xb48>; + + clk_s_a0_pll: clk-s-a0-pll { + #clock-cells = <1>; + compatible = "st,clkgena-plls-c65"; + + clocks = <&clk-sysin>; + + clock-output-names = "clk-s-a0-pll0-hs", + "clk-s-a0-pll0-ls", + "clk-s-a0-pll1"; + }; + + clk_s_a0_osc_prediv: clk-s-a0-osc-prediv { + #clock-cells = <0>; + compatible = "st,clkgena-prediv-c65", + "st,clkgena-prediv"; + + clocks = <&clk_sysin>; + + clock-output-names = "clk-s-a0-osc-prediv"; + }; + + clk_s_a0_hs: clk-s-a0-hs { + #clock-cells = <1>; + compatible = "st,clkgena-divmux-c65-hs", + "st,clkgena-divmux"; + + clocks = <&clk-s_a0_osc_prediv>, + <&clk-s_a0_pll 0>, /* pll0 hs */ + <&clk-s_a0_pll 2>; /* pll1 */ + + clock-output-names = "clk-s-fdma-0", + "clk-s-fdma-1", + ""; /* clk-s-jit-sense */ + /* fourth output unused */ + }; + }; + diff --git a/kernel/Documentation/devicetree/bindings/clock/st/st,flexgen.txt b/kernel/Documentation/devicetree/bindings/clock/st/st,flexgen.txt new file mode 100644 index 000000000..b7ee5c7e0 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/st/st,flexgen.txt @@ -0,0 +1,119 @@ +Binding for a type of flexgen structure found on certain +STMicroelectronics consumer electronics SoC devices + +This structure includes: +- a clock cross bar (represented by a mux element) +- a pre and final dividers (represented by a divider and gate elements) + +Flexgen structure is a part of Clockgen[1]. + +Please find an example below: + + Clockgen block diagram + ------------------------------------------------------------------- + | Flexgen structure | + | --------------------------------------------- | + | | ------- -------- -------- | | +clk_sysin | | | | | | | | | +---|-----------------|-->| | | | | | | | + | | | | | | | | | | | + | | ------- | | | |Pre | |Final | | | + | | |PLL0 | | | | |Dividers| |Dividers| | | + | |->| | | | | | x32 | | x32 | | | + | | | odf_0|----|-->| | | | | | | | + | | | | | | | | | | | | | + | | | | | | | | | | | | | + | | | | | | | | | | | | | + | | | | | | | | | | | | | + | | ------- | | | | | | | | | + | | | | | | | | | | | + | | ------- | | Clock | | | | | | | + | | |PLL1 | | | | | | | | | | + | |->| | | | Cross | | | | | | | + | | | odf_0|----|-->| | | | | | CLK_DIV[31:0] + | | | | | | Bar |====>| |====>| |===|=========> + | | | | | | | | | | | | | + | | | | | | | | | | | | | + | | | | | | | | | | | | | + | | ------- | | | | | | | | | + | | | | | | | | | | | + | | ------- | | | | | | | | | + | | |QUADFS | | | | | | | | | | + | |->| ch0|----|-->| | | | | | | | + | | | | | | | | | | | | + | | ch1|----|-->| | | | | | | | + | | | | | | | | | | | | + | | ch2|----|-->| | | DIV | | DIV | | | + | | | | | | | 1 to | | 1 to | | | + | | ch3|----|-->| | | 1024 | | 64 | | | + | ------- | | | | | | | | | + | | ------- -------- -------- | | + | -------------------------------------------- | + | | + ------------------------------------------------------------------- + +This binding uses the common clock binding[2]. + +[1] Documentation/devicetree/bindings/clock/st/st,clkgen.txt +[2] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be: + "st,flexgen" + +- #clock-cells : from common clock binding; shall be set to 1 (multiple clock + outputs). + +- clocks : must be set to the parent's phandle. it's could be output clocks of + a quadsfs or/and a pll or/and clk_sysin (up to 7 clocks) + +- clock-output-names : List of strings used to name the clock outputs. + +Example: + + clk_s_c0_flexgen: clk-s-c0-flexgen { + + #clock-cells = <1>; + compatible = "st,flexgen"; + + clocks = <&clk_s_c0_pll0 0>, + <&clk_s_c0_pll1 0>, + <&clk_s_c0_quadfs 0>, + <&clk_s_c0_quadfs 1>, + <&clk_s_c0_quadfs 2>, + <&clk_s_c0_quadfs 3>, + <&clk_sysin>; + + clock-output-names = "clk-icn-gpu", + "clk-fdma", + "clk-nand", + "clk-hva", + "clk-proc-stfe", + "clk-proc-tp", + "clk-rx-icn-dmu", + "clk-rx-icn-hva", + "clk-icn-cpu", + "clk-tx-icn-dmu", + "clk-mmc-0", + "clk-mmc-1", + "clk-jpegdec", + "clk-ext2fa9", + "clk-ic-bdisp-0", + "clk-ic-bdisp-1", + "clk-pp-dmu", + "clk-vid-dmu", + "clk-dss-lpc", + "clk-st231-aud-0", + "clk-st231-gp-1", + "clk-st231-dmu", + "clk-icn-lmi", + "clk-tx-icn-disp-1", + "clk-icn-sbc", + "clk-stfe-frc2", + "clk-eth-phy", + "clk-eth-ref-phyclk", + "clk-flash-promip", + "clk-main-disp", + "clk-aux-disp", + "clk-compo-dvp"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/st/st,quadfs.txt b/kernel/Documentation/devicetree/bindings/clock/st/st,quadfs.txt new file mode 100644 index 000000000..cedeb9cc8 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/st/st,quadfs.txt @@ -0,0 +1,48 @@ +Binding for a type of quad channel digital frequency synthesizer found on +certain STMicroelectronics consumer electronics SoC devices. + +This version contains a programmable PLL which can generate up to 216, 432 +or 660MHz (from a 30MHz oscillator input) as the input to the digital +synthesizers. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be: + "st,stih416-quadfs216", "st,quadfs" + "st,stih416-quadfs432", "st,quadfs" + "st,stih416-quadfs660-E", "st,quadfs" + "st,stih416-quadfs660-F", "st,quadfs" + "st,stih407-quadfs660-C", "st,quadfs" + "st,stih407-quadfs660-D", "st,quadfs" + + +- #clock-cells : from common clock binding; shall be set to 1. + +- reg : A Base address and length of the register set. + +- clocks : from common clock binding + +- clock-output-names : From common clock binding. The block has 4 + clock outputs but not all of them in a specific instance + have to be used in the SoC. If a clock name is left as + an empty string then no clock will be created for the + output associated with that string index. If fewer than + 4 strings are provided then no clocks will be created + for the remaining outputs. + +Example: + + clockgen_e: clockgen-e@fd3208bc { + #clock-cells = <1>; + compatible = "st,stih416-quadfs660-E", "st,quadfs"; + reg = <0xfd3208bc 0xB0>; + + clocks = <&clk_sysin>; + clock-output-names = "clk-m-pix-mdtp-0", + "clk-m-pix-mdtp-1", + "clk-m-pix-mdtp-2", + "clk-m-mpelpc"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ste-u300-syscon-clock.txt b/kernel/Documentation/devicetree/bindings/clock/ste-u300-syscon-clock.txt new file mode 100644 index 000000000..7cafcb98e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ste-u300-syscon-clock.txt @@ -0,0 +1,80 @@ +Clock bindings for ST-Ericsson U300 System Controller Clocks + +Bindings for the gated system controller clocks: + +Required properties: +- compatible: must be "stericsson,u300-syscon-clk" +- #clock-cells: must be <0> +- clock-type: specifies the type of clock: + 0 = slow clock + 1 = fast clock + 2 = rest/remaining clock +- clock-id: specifies the clock in the type range + +Optional properties: +- clocks: parent clock(s) + +The available clocks per type are as follows: + +Type: ID: Clock: +------------------- +0 0 Slow peripheral bridge clock +0 1 UART0 clock +0 4 GPIO clock +0 6 RTC clock +0 7 Application timer clock +0 8 Access timer clock + +1 0 Fast peripheral bridge clock +1 1 I2C bus 0 clock +1 2 I2C bus 1 clock +1 5 MMC interface peripheral (silicon) clock +1 6 SPI clock + +2 3 CPU clock +2 4 DMA controller clock +2 5 External Memory Interface (EMIF) clock +2 6 NAND flask interface clock +2 8 XGAM graphics engine clock +2 9 Shared External Memory Interface (SEMI) clock +2 10 AHB Subsystem Bridge clock +2 12 Interrupt controller clock + +Example: + +gpio_clk: gpio_clk@13M { + #clock-cells = <0>; + compatible = "stericsson,u300-syscon-clk"; + clock-type = <0>; /* Slow */ + clock-id = <4>; + clocks = <&slow_clk>; +}; + +gpio: gpio@c0016000 { + compatible = "stericsson,gpio-coh901"; + (...) + clocks = <&gpio_clk>; +}; + + +Bindings for the MMC/SD card clock: + +Required properties: +- compatible: must be "stericsson,u300-syscon-mclk" +- #clock-cells: must be <0> + +Optional properties: +- clocks: parent clock(s) + +mmc_mclk: mmc_mclk { + #clock-cells = <0>; + compatible = "stericsson,u300-syscon-mclk"; + clocks = <&mmc_pclk>; +}; + +mmcsd: mmcsd@c0001000 { + compatible = "arm,pl18x", "arm,primecell"; + clocks = <&mmc_pclk>, <&mmc_mclk>; + clock-names = "apb_pclk", "mclk"; + (...) +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/sunxi.txt b/kernel/Documentation/devicetree/bindings/clock/sunxi.txt new file mode 100644 index 000000000..4fa11af3d --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/sunxi.txt @@ -0,0 +1,204 @@ +Device Tree Clock bindings for arch-sunxi + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of the following: + "allwinner,sun4i-a10-osc-clk" - for a gatable oscillator + "allwinner,sun4i-a10-pll1-clk" - for the main PLL clock and PLL4 + "allwinner,sun6i-a31-pll1-clk" - for the main PLL clock on A31 + "allwinner,sun8i-a23-pll1-clk" - for the main PLL clock on A23 + "allwinner,sun9i-a80-pll4-clk" - for the peripheral PLLs on A80 + "allwinner,sun4i-a10-pll5-clk" - for the PLL5 clock + "allwinner,sun4i-a10-pll6-clk" - for the PLL6 clock + "allwinner,sun6i-a31-pll6-clk" - for the PLL6 clock on A31 + "allwinner,sun9i-a80-gt-clk" - for the GT bus clock on A80 + "allwinner,sun4i-a10-cpu-clk" - for the CPU multiplexer clock + "allwinner,sun4i-a10-axi-clk" - for the AXI clock + "allwinner,sun8i-a23-axi-clk" - for the AXI clock on A23 + "allwinner,sun4i-a10-axi-gates-clk" - for the AXI gates + "allwinner,sun4i-a10-ahb-clk" - for the AHB clock + "allwinner,sun5i-a13-ahb-clk" - for the AHB clock on A13 + "allwinner,sun9i-a80-ahb-clk" - for the AHB bus clocks on A80 + "allwinner,sun4i-a10-ahb-gates-clk" - for the AHB gates on A10 + "allwinner,sun5i-a13-ahb-gates-clk" - for the AHB gates on A13 + "allwinner,sun5i-a10s-ahb-gates-clk" - for the AHB gates on A10s + "allwinner,sun7i-a20-ahb-gates-clk" - for the AHB gates on A20 + "allwinner,sun6i-a31-ar100-clk" - for the AR100 on A31 + "allwinner,sun6i-a31-ahb1-clk" - for the AHB1 clock on A31 + "allwinner,sun6i-a31-ahb1-gates-clk" - for the AHB1 gates on A31 + "allwinner,sun8i-a23-ahb1-gates-clk" - for the AHB1 gates on A23 + "allwinner,sun9i-a80-ahb0-gates-clk" - for the AHB0 gates on A80 + "allwinner,sun9i-a80-ahb1-gates-clk" - for the AHB1 gates on A80 + "allwinner,sun9i-a80-ahb2-gates-clk" - for the AHB2 gates on A80 + "allwinner,sun4i-a10-apb0-clk" - for the APB0 clock + "allwinner,sun6i-a31-apb0-clk" - for the APB0 clock on A31 + "allwinner,sun8i-a23-apb0-clk" - for the APB0 clock on A23 + "allwinner,sun9i-a80-apb0-clk" - for the APB0 bus clock on A80 + "allwinner,sun4i-a10-apb0-gates-clk" - for the APB0 gates on A10 + "allwinner,sun5i-a13-apb0-gates-clk" - for the APB0 gates on A13 + "allwinner,sun5i-a10s-apb0-gates-clk" - for the APB0 gates on A10s + "allwinner,sun6i-a31-apb0-gates-clk" - for the APB0 gates on A31 + "allwinner,sun7i-a20-apb0-gates-clk" - for the APB0 gates on A20 + "allwinner,sun8i-a23-apb0-gates-clk" - for the APB0 gates on A23 + "allwinner,sun9i-a80-apb0-gates-clk" - for the APB0 gates on A80 + "allwinner,sun4i-a10-apb1-clk" - for the APB1 clock + "allwinner,sun9i-a80-apb1-clk" - for the APB1 bus clock on A80 + "allwinner,sun4i-a10-apb1-gates-clk" - for the APB1 gates on A10 + "allwinner,sun5i-a13-apb1-gates-clk" - for the APB1 gates on A13 + "allwinner,sun5i-a10s-apb1-gates-clk" - for the APB1 gates on A10s + "allwinner,sun6i-a31-apb1-gates-clk" - for the APB1 gates on A31 + "allwinner,sun7i-a20-apb1-gates-clk" - for the APB1 gates on A20 + "allwinner,sun8i-a23-apb1-gates-clk" - for the APB1 gates on A23 + "allwinner,sun9i-a80-apb1-gates-clk" - for the APB1 gates on A80 + "allwinner,sun6i-a31-apb2-gates-clk" - for the APB2 gates on A31 + "allwinner,sun8i-a23-apb2-gates-clk" - for the APB2 gates on A23 + "allwinner,sun5i-a13-mbus-clk" - for the MBUS clock on A13 + "allwinner,sun4i-a10-mmc-clk" - for the MMC clock + "allwinner,sun9i-a80-mmc-clk" - for mmc module clocks on A80 + "allwinner,sun9i-a80-mmc-config-clk" - for mmc gates + resets on A80 + "allwinner,sun4i-a10-mod0-clk" - for the module 0 family of clocks + "allwinner,sun9i-a80-mod0-clk" - for module 0 (storage) clocks on A80 + "allwinner,sun8i-a23-mbus-clk" - for the MBUS clock on A23 + "allwinner,sun7i-a20-out-clk" - for the external output clocks + "allwinner,sun7i-a20-gmac-clk" - for the GMAC clock module on A20/A31 + "allwinner,sun4i-a10-usb-clk" - for usb gates + resets on A10 / A20 + "allwinner,sun5i-a13-usb-clk" - for usb gates + resets on A13 + "allwinner,sun6i-a31-usb-clk" - for usb gates + resets on A31 + "allwinner,sun9i-a80-usb-mod-clk" - for usb gates + resets on A80 + "allwinner,sun9i-a80-usb-phy-clk" - for usb phy gates + resets on A80 + +Required properties for all clocks: +- reg : shall be the control register address for the clock. +- clocks : shall be the input parent clock(s) phandle for the clock. For + multiplexed clocks, the list order must match the hardware + programming order. +- #clock-cells : from common clock binding; shall be set to 0 except for + the following compatibles where it shall be set to 1: + "allwinner,*-gates-clk", "allwinner,sun4i-pll5-clk", + "allwinner,sun4i-pll6-clk", "allwinner,sun6i-a31-pll6-clk", + "allwinner,*-usb-clk", "allwinner,*-mmc-clk", + "allwinner,*-mmc-config-clk" +- clock-output-names : shall be the corresponding names of the outputs. + If the clock module only has one output, the name shall be the + module name. + +And "allwinner,*-usb-clk" clocks also require: +- reset-cells : shall be set to 1 + +The "allwinner,sun9i-a80-mmc-config-clk" clock also requires: +- #reset-cells : shall be set to 1 +- resets : shall be the reset control phandle for the mmc block. + +For "allwinner,sun7i-a20-gmac-clk", the parent clocks shall be fixed rate +dummy clocks at 25 MHz and 125 MHz, respectively. See example. + +Clock consumers should specify the desired clocks they use with a +"clocks" phandle cell. Consumers that are using a gated clock should +provide an additional ID in their clock property. This ID is the +offset of the bit controlling this particular gate in the register. +For the other clocks with "#clock-cells" = 1, the additional ID shall +refer to the index of the output. + +For "allwinner,sun6i-a31-pll6-clk", there are 2 outputs. The first output +is the normal PLL6 output, or "pll6". The second output is rate doubled +PLL6, or "pll6x2". + +The "allwinner,*-mmc-clk" clocks have three different outputs: the +main clock, with the ID 0, and the output and sample clocks, with the +IDs 1 and 2, respectively. + +The "allwinner,sun9i-a80-mmc-config-clk" clock has one clock/reset output +per mmc controller. The number of outputs is determined by the size of +the address block, which is related to the overall mmc block. + +For example: + +osc24M: clk@01c20050 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-osc-clk"; + reg = <0x01c20050 0x4>; + clocks = <&osc24M_fixed>; + clock-output-names = "osc24M"; +}; + +pll1: clk@01c20000 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-pll1-clk"; + reg = <0x01c20000 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll1"; +}; + +pll5: clk@01c20020 { + #clock-cells = <1>; + compatible = "allwinner,sun4i-pll5-clk"; + reg = <0x01c20020 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll5_ddr", "pll5_other"; +}; + +pll6: clk@01c20028 { + #clock-cells = <1>; + compatible = "allwinner,sun6i-a31-pll6-clk"; + reg = <0x01c20028 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll6", "pll6x2"; +}; + +cpu: cpu@01c20054 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-cpu-clk"; + reg = <0x01c20054 0x4>; + clocks = <&osc32k>, <&osc24M>, <&pll1>; + clock-output-names = "cpu"; +}; + +mmc0_clk: clk@01c20088 { + #clock-cells = <1>; + compatible = "allwinner,sun4i-a10-mmc-clk"; + reg = <0x01c20088 0x4>; + clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; + clock-output-names = "mmc0", "mmc0_output", "mmc0_sample"; +}; + +mii_phy_tx_clk: clk@2 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <25000000>; + clock-output-names = "mii_phy_tx"; +}; + +gmac_int_tx_clk: clk@3 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <125000000>; + clock-output-names = "gmac_int_tx"; +}; + +gmac_clk: clk@01c20164 { + #clock-cells = <0>; + compatible = "allwinner,sun7i-a20-gmac-clk"; + reg = <0x01c20164 0x4>; + /* + * The first clock must be fixed at 25MHz; + * the second clock must be fixed at 125MHz + */ + clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>; + clock-output-names = "gmac"; +}; + +mmc_config_clk: clk@01c13000 { + compatible = "allwinner,sun9i-a80-mmc-config-clk"; + reg = <0x01c13000 0x10>; + clocks = <&ahb0_gates 8>; + clock-names = "ahb"; + resets = <&ahb0_resets 8>; + reset-names = "ahb"; + #clock-cells = <1>; + #reset-cells = <1>; + clock-output-names = "mmc0_config", "mmc1_config", + "mmc2_config", "mmc3_config"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti,cdce706.txt b/kernel/Documentation/devicetree/bindings/clock/ti,cdce706.txt new file mode 100644 index 000000000..616836e7e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti,cdce706.txt @@ -0,0 +1,42 @@ +Bindings for Texas Instruments CDCE706 programmable 3-PLL clock +synthesizer/multiplier/divider. + +Reference: http://www.ti.com/lit/ds/symlink/cdce706.pdf + +I2C device node required properties: +- compatible: shall be "ti,cdce706". +- reg: i2c device address, shall be in range [0x68...0x6b]. +- #clock-cells: from common clock binding; shall be set to 1. +- clocks: from common clock binding; list of parent clock + handles, shall be reference clock(s) connected to CLK_IN0 + and CLK_IN1 pins. +- clock-names: shall be clk_in0 and/or clk_in1. Use clk_in0 + in case of crystal oscillator or differential signal input + configuration. Use clk_in0 and clk_in1 in case of independent + single-ended LVCMOS inputs configuration. + +Example: + + clocks { + clk54: clk54 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <54000000>; + }; + }; + ... + i2c0: i2c-master@0d090000 { + ... + cdce706: clock-synth@69 { + compatible = "ti,cdce706"; + #clock-cells = <1>; + reg = <0x69>; + clocks = <&clk54>; + clock-names = "clk_in0"; + }; + }; + ... + simple-audio-card,codec { + ... + clocks = <&cdce706 4>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti-keystone-pllctrl.txt b/kernel/Documentation/devicetree/bindings/clock/ti-keystone-pllctrl.txt new file mode 100644 index 000000000..3e6a81e99 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti-keystone-pllctrl.txt @@ -0,0 +1,20 @@ +* Device tree bindings for Texas Instruments keystone pll controller + +The main pll controller used to drive theC66x CorePacs, the switch fabric, +and a majority of the peripheral clocks (all but the ARM CorePacs, DDR3 and +the NETCP modules) requires a PLL Controller to manage the various clock +divisions, gating, and synchronization. + +Required properties: + +- compatible: "ti,keystone-pllctrl", "syscon" + +- reg: contains offset/length value for pll controller + registers space. + +Example: + +pllctrl: pll-controller@0x02310000 { + compatible = "ti,keystone-pllctrl", "syscon"; + reg = <0x02310000 0x200>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/apll.txt b/kernel/Documentation/devicetree/bindings/clock/ti/apll.txt new file mode 100644 index 000000000..ade4dd4c3 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/apll.txt @@ -0,0 +1,45 @@ +Binding for Texas Instruments APLL clock. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. It assumes a +register-mapped APLL with usually two selectable input clocks +(reference clock and bypass clock), with analog phase locked +loop logic for multiplying the input clock to a desired output +clock. This clock also typically supports different operation +modes (locked, low power stop etc.) APLL mostly behaves like +a subtype of a DPLL [2], although a simplified one at that. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/ti/dpll.txt + +Required properties: +- compatible : shall be "ti,dra7-apll-clock" or "ti,omap2-apll-clock" +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : link phandles of parent clocks (clk-ref and clk-bypass) +- reg : address and length of the register set for controlling the APLL. + It contains the information of registers in the following order: + "control" - contains the control register offset + "idlest" - contains the idlest register offset + "autoidle" - contains the autoidle register offset (OMAP2 only) +- ti,clock-frequency : static clock frequency for the clock (OMAP2 only) +- ti,idlest-shift : bit-shift for the idlest field (OMAP2 only) +- ti,bit-shift : bit-shift for enable and autoidle fields (OMAP2 only) + +Examples: + apll_pcie_ck: apll_pcie_ck { + #clock-cells = <0>; + clocks = <&apll_pcie_in_clk_mux>, <&dpll_pcie_ref_ck>; + reg = <0x021c>, <0x0220>; + compatible = "ti,dra7-apll-clock"; + }; + + apll96_ck: apll96_ck { + #clock-cells = <0>; + compatible = "ti,omap2-apll-clock"; + clocks = <&sys_ck>; + ti,bit-shift = <2>; + ti,idlest-shift = <8>; + ti,clock-frequency = <96000000>; + reg = <0x0500>, <0x0530>, <0x0520>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/autoidle.txt b/kernel/Documentation/devicetree/bindings/clock/ti/autoidle.txt new file mode 100644 index 000000000..7c735dde9 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/autoidle.txt @@ -0,0 +1,39 @@ +Binding for Texas Instruments autoidle clock. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. It assumes a register mapped +clock which can be put to idle automatically by hardware based on the usage +and a configuration bit setting. Autoidle clock is never an individual +clock, it is always a derivative of some basic clock like a gate, divider, +or fixed-factor. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- reg : offset for the register controlling the autoidle +- ti,autoidle-shift : bit shift of the autoidle enable bit +- ti,invert-autoidle-bit : autoidle is enabled by setting the bit to 0 + +Examples: + dpll_core_m4_ck: dpll_core_m4_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&dpll_core_x2_ck>; + ti,max-div = <31>; + ti,autoidle-shift = <8>; + reg = <0x2d38>; + ti,index-starts-at-one; + ti,invert-autoidle-bit; + }; + + dpll_usb_clkdcoldo_ck: dpll_usb_clkdcoldo_ck { + #clock-cells = <0>; + compatible = "ti,fixed-factor-clock"; + clocks = <&dpll_usb_ck>; + ti,clock-div = <1>; + ti,autoidle-shift = <8>; + reg = <0x01b4>; + ti,clock-mult = <1>; + ti,invert-autoidle-bit; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/clockdomain.txt b/kernel/Documentation/devicetree/bindings/clock/ti/clockdomain.txt new file mode 100644 index 000000000..cb76b3f2b --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/clockdomain.txt @@ -0,0 +1,24 @@ +Binding for Texas Instruments clockdomain. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1] in consumer role. +Every clock on TI SoC belongs to one clockdomain, but software +only needs this information for specific clocks which require +their parent clockdomain to be controlled when the clock is +enabled/disabled. This binding doesn't define a new clock +binding type, it is used to group existing clock nodes under +hardware hierarchy. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "ti,clockdomain" +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : link phandles of clocks within this domain + +Examples: + dss_clkdm: dss_clkdm { + compatible = "ti,clockdomain"; + clocks = <&dss1_alwon_fck_3430es2>, <&dss_ick_3430es2>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/composite.txt b/kernel/Documentation/devicetree/bindings/clock/ti/composite.txt new file mode 100644 index 000000000..5f43c4706 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/composite.txt @@ -0,0 +1,54 @@ +Binding for TI composite clock. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. It assumes a +register-mapped composite clock with multiple different sub-types; + +a multiplexer clock with multiple input clock signals or parents, one +of which can be selected as output, this behaves exactly as [2] + +an adjustable clock rate divider, this behaves exactly as [3] + +a gating function which can be used to enable and disable the output +clock, this behaves exactly as [4] + +The binding must provide a list of the component clocks that shall be +merged to this clock. The component clocks shall be of one of the +"ti,*composite*-clock" types. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/ti/mux.txt +[3] Documentation/devicetree/bindings/clock/ti/divider.txt +[4] Documentation/devicetree/bindings/clock/ti/gate.txt + +Required properties: +- compatible : shall be: "ti,composite-clock" +- clocks : link phandles of component clocks +- #clock-cells : from common clock binding; shall be set to 0. + +Examples: + +usb_l4_gate_ick: usb_l4_gate_ick { + #clock-cells = <0>; + compatible = "ti,composite-interface-clock"; + clocks = <&l4_ick>; + ti,bit-shift = <5>; + reg = <0x0a10>; +}; + +usb_l4_div_ick: usb_l4_div_ick { + #clock-cells = <0>; + compatible = "ti,composite-divider-clock"; + clocks = <&l4_ick>; + ti,bit-shift = <4>; + ti,max-div = <1>; + reg = <0x0a40>; + ti,index-starts-at-one; +}; + +usb_l4_ick: usb_l4_ick { + #clock-cells = <0>; + compatible = "ti,composite-clock"; + clocks = <&usb_l4_gate_ick>, <&usb_l4_div_ick>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/divider.txt b/kernel/Documentation/devicetree/bindings/clock/ti/divider.txt new file mode 100644 index 000000000..35a6f5c7e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/divider.txt @@ -0,0 +1,114 @@ +Binding for TI divider clock + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. It assumes a +register-mapped adjustable clock rate divider that does not gate and has +only one input clock or parent. By default the value programmed into +the register is one less than the actual divisor value. E.g: + +register value actual divisor value +0 1 +1 2 +2 3 + +This assumption may be modified by the following optional properties: + +ti,index-starts-at-one - valid divisor values start at 1, not the default +of 0. E.g: +register value actual divisor value +1 1 +2 2 +3 3 + +ti,index-power-of-two - valid divisor values are powers of two. E.g: +register value actual divisor value +0 1 +1 2 +2 4 + +Additionally an array of valid dividers may be supplied like so: + + ti,dividers = <4>, <8>, <0>, <16>; + +Which will map the resulting values to a divisor table by their index: +register value actual divisor value +0 4 +1 8 +2 <invalid divisor, skipped> +3 16 + +Any zero value in this array means the corresponding bit-value is invalid +and must not be used. + +The binding must also provide the register to control the divider and +unless the divider array is provided, min and max dividers. Optionally +the number of bits to shift that mask, if necessary. If the shift value +is missing it is the same as supplying a zero shift. + +This binding can also optionally provide support to the hardware autoidle +feature, see [2]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/ti/autoidle.txt + +Required properties: +- compatible : shall be "ti,divider-clock" or "ti,composite-divider-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : link to phandle of parent clock +- reg : offset for register controlling adjustable divider + +Optional properties: +- clock-output-names : from common clock binding. +- ti,dividers : array of integers defining divisors +- ti,bit-shift : number of bits to shift the divider value, defaults to 0 +- ti,min-div : min divisor for dividing the input clock rate, only + needed if the first divisor is offset from the default value (1) +- ti,max-div : max divisor for dividing the input clock rate, only needed + if ti,dividers is not defined. +- ti,index-starts-at-one : valid divisor programming starts at 1, not zero, + only valid if ti,dividers is not defined. +- ti,index-power-of-two : valid divisor programming must be a power of two, + only valid if ti,dividers is not defined. +- ti,autoidle-shift : bit shift of the autoidle enable bit for the clock, + see [2] +- ti,invert-autoidle-bit : autoidle is enabled by setting the bit to 0, + see [2] +- ti,set-rate-parent : clk_set_rate is propagated to parent + +Examples: +dpll_usb_m2_ck: dpll_usb_m2_ck@4a008190 { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&dpll_usb_ck>; + ti,max-div = <127>; + reg = <0x190>; + ti,index-starts-at-one; +}; + +aess_fclk: aess_fclk@4a004528 { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&abe_clk>; + ti,bit-shift = <24>; + reg = <0x528>; + ti,max-div = <2>; +}; + +dpll_core_m3x2_div_ck: dpll_core_m3x2_div_ck { + #clock-cells = <0>; + compatible = "ti,composite-divider-clock"; + clocks = <&dpll_core_x2_ck>; + ti,max-div = <31>; + reg = <0x0134>; + ti,index-starts-at-one; +}; + +ssi_ssr_div_fck_3430es2: ssi_ssr_div_fck_3430es2 { + #clock-cells = <0>; + compatible = "ti,composite-divider-clock"; + clocks = <&corex2_fck>; + ti,bit-shift = <8>; + reg = <0x0a40>; + ti,dividers = <0>, <1>, <2>, <3>, <4>, <0>, <6>, <0>, <8>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/dpll.txt b/kernel/Documentation/devicetree/bindings/clock/ti/dpll.txt new file mode 100644 index 000000000..df57009ff --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/dpll.txt @@ -0,0 +1,85 @@ +Binding for Texas Instruments DPLL clock. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. It assumes a +register-mapped DPLL with usually two selectable input clocks +(reference clock and bypass clock), with digital phase locked +loop logic for multiplying the input clock to a desired output +clock. This clock also typically supports different operation +modes (locked, low power stop etc.) This binding has several +sub-types, which effectively result in slightly different setup +for the actual DPLL clock. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of: + "ti,omap3-dpll-clock", + "ti,omap3-dpll-core-clock", + "ti,omap3-dpll-per-clock", + "ti,omap3-dpll-per-j-type-clock", + "ti,omap4-dpll-clock", + "ti,omap4-dpll-x2-clock", + "ti,omap4-dpll-core-clock", + "ti,omap4-dpll-m4xen-clock", + "ti,omap4-dpll-j-type-clock", + "ti,omap5-mpu-dpll-clock", + "ti,am3-dpll-no-gate-clock", + "ti,am3-dpll-j-type-clock", + "ti,am3-dpll-no-gate-j-type-clock", + "ti,am3-dpll-clock", + "ti,am3-dpll-core-clock", + "ti,am3-dpll-x2-clock", + "ti,omap2-dpll-core-clock", + +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : link phandles of parent clocks, first entry lists reference clock + and second entry bypass clock +- reg : offsets for the register set for controlling the DPLL. + Registers are listed in following order: + "control" - contains the control register base address + "idlest" - contains the idle status register base address + "mult-div1" - contains the multiplier / divider register base address + "autoidle" - contains the autoidle register base address (optional) + ti,am3-* dpll types do not have autoidle register + ti,omap2-* dpll type does not support idlest / autoidle registers + +Optional properties: +- DPLL mode setting - defining any one or more of the following overrides + default setting. + - ti,low-power-stop : DPLL supports low power stop mode, gating output + - ti,low-power-bypass : DPLL output matches rate of parent bypass clock + - ti,lock : DPLL locks in programmed rate + +Examples: + dpll_core_ck: dpll_core_ck@44e00490 { + #clock-cells = <0>; + compatible = "ti,omap4-dpll-core-clock"; + clocks = <&sys_clkin_ck>, <&sys_clkin_ck>; + reg = <0x490>, <0x45c>, <0x488>, <0x468>; + }; + + dpll2_ck: dpll2_ck@48004004 { + #clock-cells = <0>; + compatible = "ti,omap3-dpll-clock"; + clocks = <&sys_ck>, <&dpll2_fck>; + ti,low-power-stop; + ti,low-power-bypass; + ti,lock; + reg = <0x4>, <0x24>, <0x34>, <0x40>; + }; + + dpll_core_ck: dpll_core_ck@44e00490 { + #clock-cells = <0>; + compatible = "ti,am3-dpll-core-clock"; + clocks = <&sys_clkin_ck>, <&sys_clkin_ck>; + reg = <0x90>, <0x5c>, <0x68>; + }; + + dpll_ck: dpll_ck { + #clock-cells = <0>; + compatible = "ti,omap2-dpll-core-clock"; + clocks = <&sys_ck>, <&sys_ck>; + reg = <0x0500>, <0x0540>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/dra7-atl.txt b/kernel/Documentation/devicetree/bindings/clock/ti/dra7-atl.txt new file mode 100644 index 000000000..585e8c191 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/dra7-atl.txt @@ -0,0 +1,96 @@ +Device Tree Clock bindings for ATL (Audio Tracking Logic) of DRA7 SoC. + +The ATL IP is used to generate clock to be used to synchronize baseband and +audio codec. A single ATL IP provides four ATL clock instances sharing the same +functional clock but can be configured to provide different clocks. +ATL can maintain a clock averages to some desired frequency based on the bws/aws +signals - can compensate the drift between the two ws signal. + +In order to provide the support for ATL and it's output clocks (which can be used +internally within the SoC or external components) two sets of bindings is needed: + +Clock tree binding: +This binding uses the common clock binding[1]. +To be able to integrate the ATL clocks with DT clock tree. +Provides ccf level representation of the ATL clocks to be used by drivers. +Since the clock instances are part of a single IP this binding is used as a node +for the DT clock tree, the IP driver is needed to handle the actual configuration +of the IP. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "ti,dra7-atl-clock" +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : link phandles to functional clock of ATL + +Binding for the IP driver: +This binding is used to configure the IP driver which is going to handle the +configuration of the IP for the ATL clock instances. + +Required properties: +- compatible : shall be "ti,dra7-atl" +- reg : base address for the ATL IP +- ti,provided-clocks : List of phandles to the clocks associated with the ATL +- clocks : link phandles to functional clock of ATL +- clock-names : Shall be set to "fck" +- ti,hwmods : Shall be set to "atl" + +Optional properties: +Configuration of ATL instances: +- atl{0/1/2/3} { + - bws : Baseband word select signal selection + - aws : Audio word select signal selection +}; + +For valid word select signals, see the dt-bindings/clk/ti-dra7-atl.h include +file. + +Examples: +/* clock bindings for atl provided clocks */ +atl_clkin0_ck: atl_clkin0_ck { + #clock-cells = <0>; + compatible = "ti,dra7-atl-clock"; + clocks = <&atl_gfclk_mux>; +}; + +atl_clkin1_ck: atl_clkin1_ck { + #clock-cells = <0>; + compatible = "ti,dra7-atl-clock"; + clocks = <&atl_gfclk_mux>; +}; + +atl_clkin2_ck: atl_clkin2_ck { + #clock-cells = <0>; + compatible = "ti,dra7-atl-clock"; + clocks = <&atl_gfclk_mux>; +}; + +atl_clkin3_ck: atl_clkin3_ck { + #clock-cells = <0>; + compatible = "ti,dra7-atl-clock"; + clocks = <&atl_gfclk_mux>; +}; + +/* binding for the IP */ +atl: atl@4843c000 { + compatible = "ti,dra7-atl"; + reg = <0x4843c000 0x3ff>; + ti,hwmods = "atl"; + ti,provided-clocks = <&atl_clkin0_ck>, <&atl_clkin1_ck>, + <&atl_clkin2_ck>, <&atl_clkin3_ck>; + clocks = <&atl_gfclk_mux>; + clock-names = "fck"; + status = "disabled"; +}; + +#include <dt-bindings/clk/ti-dra7-atl.h> + +&atl { + status = "okay"; + + atl2 { + bws = <DRA7_ATL_WS_MCASP2_FSX>; + aws = <DRA7_ATL_WS_MCASP3_FSX>; + }; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/fapll.txt b/kernel/Documentation/devicetree/bindings/clock/ti/fapll.txt new file mode 100644 index 000000000..c19b3f253 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/fapll.txt @@ -0,0 +1,33 @@ +Binding for Texas Instruments FAPLL clock. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. It assumes a +register-mapped FAPLL with usually two selectable input clocks +(reference clock and bypass clock), and one or more child +syntesizers. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "ti,dm816-fapll-clock" +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : link phandles of parent clocks (clk-ref and clk-bypass) +- reg : address and length of the register set for controlling the FAPLL. + +Examples: + main_fapll: main_fapll { + #clock-cells = <1>; + compatible = "ti,dm816-fapll-clock"; + reg = <0x400 0x40>; + clocks = <&sys_clkin_ck &sys_clkin_ck>; + clock-indices = <1>, <2>, <3>, <4>, <5>, + <6>, <7>; + clock-output-names = "main_pll_clk1", + "main_pll_clk2", + "main_pll_clk3", + "main_pll_clk4", + "main_pll_clk5", + "main_pll_clk6", + "main_pll_clk7"; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/fixed-factor-clock.txt b/kernel/Documentation/devicetree/bindings/clock/ti/fixed-factor-clock.txt new file mode 100644 index 000000000..662b36d53 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/fixed-factor-clock.txt @@ -0,0 +1,43 @@ +Binding for TI fixed factor rate clock sources. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1], and also uses the autoidle +support from TI autoidle clock [2]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/ti/autoidle.txt + +Required properties: +- compatible : shall be "ti,fixed-factor-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- ti,clock-div: fixed divider. +- ti,clock-mult: fixed multiplier. +- clocks: parent clock. + +Optional properties: +- ti,autoidle-shift: bit shift of the autoidle enable bit for the clock, + see [2] +- reg: offset for the autoidle register of this clock, see [2] +- ti,invert-autoidle-bit: autoidle is enabled by setting the bit to 0, see [2] +- ti,set-rate-parent: clk_set_rate is propagated to parent + +Example: + clock { + compatible = "ti,fixed-factor-clock"; + clocks = <&parentclk>; + #clock-cells = <0>; + ti,clock-div = <2>; + ti,clock-mult = <1>; + }; + + dpll_usb_clkdcoldo_ck: dpll_usb_clkdcoldo_ck { + #clock-cells = <0>; + compatible = "ti,fixed-factor-clock"; + clocks = <&dpll_usb_ck>; + ti,clock-div = <1>; + ti,autoidle-shift = <8>; + reg = <0x01b4>; + ti,clock-mult = <1>; + ti,invert-autoidle-bit; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/gate.txt b/kernel/Documentation/devicetree/bindings/clock/ti/gate.txt new file mode 100644 index 000000000..03f8fdee6 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/gate.txt @@ -0,0 +1,106 @@ +Binding for Texas Instruments gate clock. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. This clock is +quite much similar to the basic gate-clock [2], however, +it supports a number of additional features. If no register +is provided for this clock, the code assumes that a clockdomain +will be controlled instead and the corresponding hw-ops for +that is used. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/gate-clock.txt +[3] Documentation/devicetree/bindings/clock/ti/clockdomain.txt + +Required properties: +- compatible : shall be one of: + "ti,gate-clock" - basic gate clock + "ti,wait-gate-clock" - gate clock which waits until clock is active before + returning from clk_enable() + "ti,dss-gate-clock" - gate clock with DSS specific hardware handling + "ti,am35xx-gate-clock" - gate clock with AM35xx specific hardware handling + "ti,clkdm-gate-clock" - clockdomain gate clock, which derives its functional + clock directly from a clockdomain, see [3] how + to map clockdomains properly + "ti,hsdiv-gate-clock" - gate clock with OMAP36xx specific hardware handling, + required for a hardware errata + "ti,composite-gate-clock" - composite gate clock, to be part of composite + clock + "ti,composite-no-wait-gate-clock" - composite gate clock that does not wait + for clock to be active before returning + from clk_enable() +- #clock-cells : from common clock binding; shall be set to 0 +- clocks : link to phandle of parent clock +- reg : offset for register controlling adjustable gate, not needed for + ti,clkdm-gate-clock type + +Optional properties: +- ti,bit-shift : bit shift for programming the clock gate, invalid for + ti,clkdm-gate-clock type +- ti,set-bit-to-disable : inverts default gate programming. Setting the bit + gates the clock and clearing the bit ungates the clock. + +Examples: + mmchs2_fck: mmchs2_fck@48004a00 { + #clock-cells = <0>; + compatible = "ti,gate-clock"; + clocks = <&core_96m_fck>; + reg = <0x0a00>; + ti,bit-shift = <25>; + }; + + uart4_fck_am35xx: uart4_fck_am35xx { + #clock-cells = <0>; + compatible = "ti,wait-gate-clock"; + clocks = <&core_48m_fck>; + reg = <0x0a00>; + ti,bit-shift = <23>; + }; + + dss1_alwon_fck_3430es2: dss1_alwon_fck_3430es2@48004e00 { + #clock-cells = <0>; + compatible = "ti,dss-gate-clock"; + clocks = <&dpll4_m4x2_ck>; + reg = <0x0e00>; + ti,bit-shift = <0>; + }; + + emac_ick: emac_ick@4800259c { + #clock-cells = <0>; + compatible = "ti,am35xx-gate-clock"; + clocks = <&ipss_ick>; + reg = <0x059c>; + ti,bit-shift = <1>; + }; + + emu_src_ck: emu_src_ck { + #clock-cells = <0>; + compatible = "ti,clkdm-gate-clock"; + clocks = <&emu_src_mux_ck>; + }; + + dpll4_m2x2_ck: dpll4_m2x2_ck@48004d00 { + #clock-cells = <0>; + compatible = "ti,hsdiv-gate-clock"; + clocks = <&dpll4_m2x2_mul_ck>; + ti,bit-shift = <0x1b>; + reg = <0x0d00>; + ti,set-bit-to-disable; + }; + + vlynq_gate_fck: vlynq_gate_fck { + #clock-cells = <0>; + compatible = "ti,composite-gate-clock"; + clocks = <&core_ck>; + ti,bit-shift = <3>; + reg = <0x0200>; + }; + + sys_clkout2_src_gate: sys_clkout2_src_gate { + #clock-cells = <0>; + compatible = "ti,composite-no-wait-gate-clock"; + clocks = <&core_ck>; + ti,bit-shift = <15>; + reg = <0x0070>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/interface.txt b/kernel/Documentation/devicetree/bindings/clock/ti/interface.txt new file mode 100644 index 000000000..3111a409f --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/interface.txt @@ -0,0 +1,56 @@ +Binding for Texas Instruments interface clock. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. This clock is +quite much similar to the basic gate-clock [2], however, +it supports a number of additional features, including +companion clock finding (match corresponding functional gate +clock) and hardware autoidle enable / disable. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/clock/gate-clock.txt + +Required properties: +- compatible : shall be one of: + "ti,omap3-interface-clock" - basic OMAP3 interface clock + "ti,omap3-no-wait-interface-clock" - interface clock which has no hardware + capability for waiting clock to be ready + "ti,omap3-hsotgusb-interface-clock" - interface clock with USB specific HW + handling + "ti,omap3-dss-interface-clock" - interface clock with DSS specific HW handling + "ti,omap3-ssi-interface-clock" - interface clock with SSI specific HW handling + "ti,am35xx-interface-clock" - interface clock with AM35xx specific HW handling + "ti,omap2430-interface-clock" - interface clock with OMAP2430 specific HW + handling +- #clock-cells : from common clock binding; shall be set to 0 +- clocks : link to phandle of parent clock +- reg : base address for the control register + +Optional properties: +- ti,bit-shift : bit shift for the bit enabling/disabling the clock (default 0) + +Examples: + aes1_ick: aes1_ick@48004a14 { + #clock-cells = <0>; + compatible = "ti,omap3-interface-clock"; + clocks = <&security_l4_ick2>; + reg = <0x48004a14 0x4>; + ti,bit-shift = <3>; + }; + + cam_ick: cam_ick@48004f10 { + #clock-cells = <0>; + compatible = "ti,omap3-no-wait-interface-clock"; + clocks = <&l4_ick>; + reg = <0x48004f10 0x4>; + ti,bit-shift = <0>; + }; + + ssi_ick_3430es2: ssi_ick_3430es2@48004a10 { + #clock-cells = <0>; + compatible = "ti,omap3-ssi-interface-clock"; + clocks = <&ssi_l4_ick>; + reg = <0x48004a10 0x4>; + ti,bit-shift = <0>; + }; diff --git a/kernel/Documentation/devicetree/bindings/clock/ti/mux.txt b/kernel/Documentation/devicetree/bindings/clock/ti/mux.txt new file mode 100644 index 000000000..2d0d170f8 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/ti/mux.txt @@ -0,0 +1,76 @@ +Binding for TI mux clock. + +Binding status: Unstable - ABI compatibility may be broken in the future + +This binding uses the common clock binding[1]. It assumes a +register-mapped multiplexer with multiple input clock signals or +parents, one of which can be selected as output. This clock does not +gate or adjust the parent rate via a divider or multiplier. + +By default the "clocks" property lists the parents in the same order +as they are programmed into the regster. E.g: + + clocks = <&foo_clock>, <&bar_clock>, <&baz_clock>; + +results in programming the register as follows: + +register value selected parent clock +0 foo_clock +1 bar_clock +2 baz_clock + +Some clock controller IPs do not allow a value of zero to be programmed +into the register, instead indexing begins at 1. The optional property +"index-starts-at-one" modified the scheme as follows: + +register value selected clock parent +1 foo_clock +2 bar_clock +3 baz_clock + +The binding must provide the register to control the mux. Optionally +the number of bits to shift the control field in the register can be +supplied. If the shift value is missing it is the same as supplying +a zero shift. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "ti,mux-clock" or "ti,composite-mux-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : link phandles of parent clocks +- reg : register offset for register controlling adjustable mux + +Optional properties: +- ti,bit-shift : number of bits to shift the bit-mask, defaults to + 0 if not present +- ti,index-starts-at-one : valid input select programming starts at 1, not + zero +- ti,set-rate-parent : clk_set_rate is propagated to parent clock, + not supported by the composite-mux-clock subtype + +Examples: + +sys_clkin_ck: sys_clkin_ck@4a306110 { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&virt_12000000_ck>, <&virt_13000000_ck>, <&virt_16800000_ck>, <&virt_19200000_ck>, <&virt_26000000_ck>, <&virt_27000000_ck>, <&virt_38400000_ck>; + reg = <0x0110>; + ti,index-starts-at-one; +}; + +abe_dpll_bypass_clk_mux_ck: abe_dpll_bypass_clk_mux_ck@4a306108 { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin_ck>, <&sys_32k_ck>; + ti,bit-shift = <24>; + reg = <0x0108>; +}; + +mcbsp5_mux_fck: mcbsp5_mux_fck { + #clock-cells = <0>; + compatible = "ti,composite-mux-clock"; + clocks = <&core_96m_fck>, <&mcbsp_clks>; + ti,bit-shift = <4>; + reg = <0x02d8>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/vf610-clock.txt b/kernel/Documentation/devicetree/bindings/clock/vf610-clock.txt new file mode 100644 index 000000000..63f9f1ac3 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/vf610-clock.txt @@ -0,0 +1,41 @@ +* Clock bindings for Freescale Vybrid VF610 SOC + +Required properties: +- compatible: Should be "fsl,vf610-ccm" +- reg: Address and length of the register set +- #clock-cells: Should be <1> + +Optional properties: +- clocks: list of clock identifiers which are external input clocks to the + given clock controller. Please refer the next section to find + the input clocks for a given controller. +- clock-names: list of names of clocks which are exteral input clocks to the + given clock controller. + +Input clocks for top clock controller: + - sxosc (external crystal oscillator 32KHz, recommended) + - fxosc (external crystal oscillator 24MHz, recommended) + - audio_ext + - enet_ext + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/vf610-clock.h +for the full list of VF610 clock IDs. + +Examples: + +clks: ccm@4006b000 { + compatible = "fsl,vf610-ccm"; + reg = <0x4006b000 0x1000>; + #clock-cells = <1>; + clocks = <&sxosc>, <&fxosc>; + clock-names = "sxosc", "fxosc"; +}; + +uart1: serial@40028000 { + compatible = "fsl,vf610-uart"; + reg = <0x40028000 0x1000>; + interrupts = <0 62 0x04>; + clocks = <&clks VF610_CLK_UART1>; + clock-names = "ipg"; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/vt8500.txt b/kernel/Documentation/devicetree/bindings/clock/vt8500.txt new file mode 100644 index 000000000..91d71cc03 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/vt8500.txt @@ -0,0 +1,74 @@ +Device Tree Clock bindings for arch-vt8500 + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of the following: + "via,vt8500-pll-clock" - for a VT8500/WM8505 PLL clock + "wm,wm8650-pll-clock" - for a WM8650 PLL clock + "wm,wm8750-pll-clock" - for a WM8750 PLL clock + "wm,wm8850-pll-clock" - for a WM8850 PLL clock + "via,vt8500-device-clock" - for a VT/WM device clock + +Required properties for PLL clocks: +- reg : shall be the control register offset from PMC base for the pll clock. +- clocks : shall be the input parent clock phandle for the clock. This should + be the reference clock. +- #clock-cells : from common clock binding; shall be set to 0. + +Required properties for device clocks: +- clocks : shall be the input parent clock phandle for the clock. This should + be a pll output. +- #clock-cells : from common clock binding; shall be set to 0. + + +Device Clocks + +Device clocks are required to have one or both of the following sets of +properties: + + +Gated device clocks: + +Required properties: +- enable-reg : shall be the register offset from PMC base for the enable + register. +- enable-bit : shall be the bit within enable-reg to enable/disable the clock. + + +Divisor device clocks: + +Required property: +- divisor-reg : shall be the register offset from PMC base for the divisor + register. +Optional property: +- divisor-mask : shall be the mask for the divisor register. Defaults to 0x1f + if not specified. + + +For example: + +ref25: ref25M { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <25000000>; +}; + +plla: plla { + #clock-cells = <0>; + compatible = "wm,wm8650-pll-clock"; + clocks = <&ref25>; + reg = <0x200>; +}; + +sdhc: sdhc { + #clock-cells = <0>; + compatible = "via,vt8500-device-clock"; + clocks = <&pllb>; + divisor-reg = <0x328>; + divisor-mask = <0x3f>; + enable-reg = <0x254>; + enable-bit = <18>; +}; diff --git a/kernel/Documentation/devicetree/bindings/clock/xgene.txt b/kernel/Documentation/devicetree/bindings/clock/xgene.txt new file mode 100644 index 000000000..1c4ef773f --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/xgene.txt @@ -0,0 +1,111 @@ +Device Tree Clock bindings for APM X-Gene + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of the following: + "apm,xgene-socpll-clock" - for a X-Gene SoC PLL clock + "apm,xgene-pcppll-clock" - for a X-Gene PCP PLL clock + "apm,xgene-device-clock" - for a X-Gene device clock + +Required properties for SoC or PCP PLL clocks: +- reg : shall be the physical PLL register address for the pll clock. +- clocks : shall be the input parent clock phandle for the clock. This should + be the reference clock. +- #clock-cells : shall be set to 1. +- clock-output-names : shall be the name of the PLL referenced by derive + clock. +Optional properties for PLL clocks: +- clock-names : shall be the name of the PLL. If missing, use the device name. + +Required properties for device clocks: +- reg : shall be a list of address and length pairs describing the CSR + reset and/or the divider. Either may be omitted, but at least + one must be present. + - reg-names : shall be a string list describing the reg resource. This + may include "csr-reg" and/or "div-reg". If this property + is not present, the reg property is assumed to describe + only "csr-reg". +- clocks : shall be the input parent clock phandle for the clock. +- #clock-cells : shall be set to 1. +- clock-output-names : shall be the name of the device referenced. +Optional properties for device clocks: +- clock-names : shall be the name of the device clock. If missing, use the + device name. +- csr-offset : Offset to the CSR reset register from the reset address base. + Default is 0. +- csr-mask : CSR reset mask bit. Default is 0xF. +- enable-offset : Offset to the enable register from the reset address base. + Default is 0x8. +- enable-mask : CSR enable mask bit. Default is 0xF. +- divider-offset : Offset to the divider CSR register from the divider base. + Default is 0x0. +- divider-width : Width of the divider register. Default is 0. +- divider-shift : Bit shift of the divider register. Default is 0. + +For example: + + pcppll: pcppll@17000100 { + compatible = "apm,xgene-pcppll-clock"; + #clock-cells = <1>; + clocks = <&refclk 0>; + clock-names = "pcppll"; + reg = <0x0 0x17000100 0x0 0x1000>; + clock-output-names = "pcppll"; + type = <0>; + }; + + socpll: socpll@17000120 { + compatible = "apm,xgene-socpll-clock"; + #clock-cells = <1>; + clocks = <&refclk 0>; + clock-names = "socpll"; + reg = <0x0 0x17000120 0x0 0x1000>; + clock-output-names = "socpll"; + type = <1>; + }; + + qmlclk: qmlclk { + compatible = "apm,xgene-device-clock"; + #clock-cells = <1>; + clocks = <&socplldiv2 0>; + clock-names = "qmlclk"; + reg = <0x0 0x1703C000 0x0 0x1000>; + reg-name = "csr-reg"; + clock-output-names = "qmlclk"; + }; + + ethclk: ethclk { + compatible = "apm,xgene-device-clock"; + #clock-cells = <1>; + clocks = <&socplldiv2 0>; + clock-names = "ethclk"; + reg = <0x0 0x17000000 0x0 0x1000>; + reg-names = "div-reg"; + divider-offset = <0x238>; + divider-width = <0x9>; + divider-shift = <0x0>; + clock-output-names = "ethclk"; + }; + + apbclk: apbclk { + compatible = "apm,xgene-device-clock"; + #clock-cells = <1>; + clocks = <&ahbclk 0>; + clock-names = "apbclk"; + reg = <0x0 0x1F2AC000 0x0 0x1000 + 0x0 0x1F2AC000 0x0 0x1000>; + reg-names = "csr-reg", "div-reg"; + csr-offset = <0x0>; + csr-mask = <0x200>; + enable-offset = <0x8>; + enable-mask = <0x200>; + divider-offset = <0x10>; + divider-width = <0x2>; + divider-shift = <0x0>; + flags = <0x8>; + clock-output-names = "apbclk"; + }; + diff --git a/kernel/Documentation/devicetree/bindings/clock/zynq-7000.txt b/kernel/Documentation/devicetree/bindings/clock/zynq-7000.txt new file mode 100644 index 000000000..d93746cf2 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/clock/zynq-7000.txt @@ -0,0 +1,110 @@ +Device Tree Clock bindings for the Zynq 7000 EPP + +The Zynq EPP has several different clk providers, each with there own bindings. +The purpose of this document is to document their usage. + +See clock_bindings.txt for more information on the generic clock bindings. +See Chapter 25 of Zynq TRM for more information about Zynq clocks. + +== Clock Controller == +The clock controller is a logical abstraction of Zynq's clock tree. It reads +required input clock frequencies from the devicetree and acts as clock provider +for all clock consumers of PS clocks. + +Required properties: + - #clock-cells : Must be 1 + - compatible : "xlnx,ps7-clkc" + - reg : SLCR offset and size taken via syscon < 0x100 0x100 > + - ps-clk-frequency : Frequency of the oscillator providing ps_clk in HZ + (usually 33 MHz oscillators are used for Zynq platforms) + - clock-output-names : List of strings used to name the clock outputs. Shall be + a list of the outputs given below. + +Optional properties: + - clocks : as described in the clock bindings + - clock-names : as described in the clock bindings + - fclk-enable : Bit mask to enable FCLKs statically at boot time. + Bit [0..3] correspond to FCLK0..FCLK3. The corresponding + FCLK will only be enabled if it is actually running at + boot time. + +Clock inputs: +The following strings are optional parameters to the 'clock-names' property in +order to provide an optional (E)MIO clock source. + - swdt_ext_clk + - gem0_emio_clk + - gem1_emio_clk + - mio_clk_XX # with XX = 00..53 +... + +Clock outputs: + 0: armpll + 1: ddrpll + 2: iopll + 3: cpu_6or4x + 4: cpu_3or2x + 5: cpu_2x + 6: cpu_1x + 7: ddr2x + 8: ddr3x + 9: dci + 10: lqspi + 11: smc + 12: pcap + 13: gem0 + 14: gem1 + 15: fclk0 + 16: fclk1 + 17: fclk2 + 18: fclk3 + 19: can0 + 20: can1 + 21: sdio0 + 22: sdio1 + 23: uart0 + 24: uart1 + 25: spi0 + 26: spi1 + 27: dma + 28: usb0_aper + 29: usb1_aper + 30: gem0_aper + 31: gem1_aper + 32: sdio0_aper + 33: sdio1_aper + 34: spi0_aper + 35: spi1_aper + 36: can0_aper + 37: can1_aper + 38: i2c0_aper + 39: i2c1_aper + 40: uart0_aper + 41: uart1_aper + 42: gpio_aper + 43: lqspi_aper + 44: smc_aper + 45: swdt + 46: dbg_trc + 47: dbg_apb + +Example: + clkc: clkc@100 { + #clock-cells = <1>; + compatible = "xlnx,ps7-clkc"; + ps-clk-frequency = <33333333>; + reg = <0x100 0x100>; + clock-output-names = "armpll", "ddrpll", "iopll", "cpu_6or4x", + "cpu_3or2x", "cpu_2x", "cpu_1x", "ddr2x", "ddr3x", + "dci", "lqspi", "smc", "pcap", "gem0", "gem1", + "fclk0", "fclk1", "fclk2", "fclk3", "can0", "can1", + "sdio0", "sdio1", "uart0", "uart1", "spi0", "spi1", + "dma", "usb0_aper", "usb1_aper", "gem0_aper", + "gem1_aper", "sdio0_aper", "sdio1_aper", + "spi0_aper", "spi1_aper", "can0_aper", "can1_aper", + "i2c0_aper", "i2c1_aper", "uart0_aper", "uart1_aper", + "gpio_aper", "lqspi_aper", "smc_aper", "swdt", + "dbg_trc", "dbg_apb"; + # optional props + clocks = <&clkc 16>, <&clk_foo>; + clock-names = "gem1_emio_clk", "can_mio_clk_23"; + }; |