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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/Documentation/devicetree/bindings/clock
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/clock')
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt40
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/at91-clock.txt35
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt34
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt45
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt210
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/clock-bindings.txt7
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/csr,atlas7-car.txt55
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/emev2-clock.txt2
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/gpio-mux-clock.txt19
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/hi6220-clock.txt51
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/imx6ul-clock.txt13
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/imx7d-clock.txt13
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/ingenic,cgu.txt53
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/lpc1850-ccu.txt77
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/lpc1850-cgu.txt131
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/marvell,berlin.txt31
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/marvell,pxa1928.txt21
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt83
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt1
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt44
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt79
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/qca,ath79-pll.txt33
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/qcom,gcc.txt4
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/qcom,mmcc.txt4
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/qoriq-clock.txt61
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt8
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt69
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt6
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/renesas,h8300-div-clock.txt24
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/renesas,h8s2678-pll-clock.txt23
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt29
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt30
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/renesas,rcar-gen2-cpg-clocks.txt28
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt31
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/rockchip,rk3368-cru.txt61
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/silabs,si514.txt24
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt65
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt5
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/sunxi.txt1
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/ti,cdce925.txt42
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/ux500.txt64
-rw-r--r--kernel/Documentation/devicetree/bindings/clock/zx296702-clk.txt35
42 files changed, 1621 insertions, 70 deletions
diff --git a/kernel/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt b/kernel/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt
new file mode 100644
index 000000000..2b7b3fa58
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt
@@ -0,0 +1,40 @@
+* Amlogic Meson8b Clock and Reset Unit
+
+The Amlogic Meson8b clock controller generates and supplies clock to various
+controllers within the SoC.
+
+Required Properties:
+
+- compatible: should be "amlogic,meson8b-clkc"
+- reg: it must be composed by two tuples:
+ 0) physical base address of the xtal register and length of memory
+ mapped region.
+ 1) physical base address of the clock 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 the dt-bindings/clock/meson8b-clkc.h header and can be
+used in device tree sources.
+
+Example: Clock controller node:
+
+ clkc: clock-controller@c1104000 {
+ #clock-cells = <1>;
+ compatible = "amlogic,meson8b-clkc";
+ reg = <0xc1108000 0x4>, <0xc1104000 0x460>;
+ };
+
+
+Example: UART controller node that consumes the clock generated by the clock
+ controller:
+
+ uart_AO: serial@c81004c0 {
+ compatible = "amlogic,meson-uart";
+ reg = <0xc81004c0 0x14>;
+ interrupts = <0 90 1>;
+ clocks = <&clkc CLKID_CLK81>;
+ status = "disabled";
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt b/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt
index 5ba645069..181bc8ac4 100644
--- a/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt
@@ -77,6 +77,9 @@ Required properties:
"atmel,sama5d4-clk-h32mx":
at91 h32mx clock
+ "atmel,sama5d2-clk-generated":
+ at91 generated 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).
@@ -461,3 +464,35 @@ For example:
compatible = "atmel,sama5d4-clk-h32mx";
clocks = <&mck>;
};
+
+Required properties for generated 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 generated clock source phandles.
+ e.g. clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>, <&mck>, <&audio_pll_pmc>;
+- name: device tree node describing a specific generated 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).
+
+For example:
+ gck {
+ compatible = "atmel,sama5d2-clk-generated";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>, <&mck>, <&audio_pll_pmc>;
+
+ tcb0_gclk: tcb0_gclk {
+ #clock-cells = <0>;
+ reg = <35>;
+ atmel,clk-output-range = <0 83000000>;
+ };
+
+ pwm_gclk: pwm_gclk {
+ #clock-cells = <0>;
+ reg = <38>;
+ atmel,clk-output-range = <0 83000000>;
+ };
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt b/kernel/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt
deleted file mode 100644
index 00d26edec..000000000
--- a/kernel/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt
+++ /dev/null
@@ -1,34 +0,0 @@
-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,bcm2835-cprman.txt b/kernel/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt
new file mode 100644
index 000000000..e56a1df3a
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt
@@ -0,0 +1,45 @@
+Broadcom BCM2835 CPRMAN clocks
+
+This binding uses the common clock binding:
+ Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+The CPRMAN clock controller generates clocks in the audio power domain
+of the BCM2835. There is a level of PLLs deriving from an external
+oscillator, a level of PLL dividers that produce channels off of the
+few PLLs, and a level of mostly-generic clock generators sourcing from
+the PLL channels. Most other hardware components source from the
+clock generators, but a few (like the ARM or HDMI) will source from
+the PLL dividers directly.
+
+Required properties:
+- compatible: Should be "brcm,bcm2835-cprman"
+- #clock-cells: Should be <1>. The permitted clock-specifier values can be
+ found in include/dt-bindings/clock/bcm2835.h
+- reg: Specifies base physical address and size of the registers
+- clocks: The external oscillator clock phandle
+
+Example:
+
+ clk_osc: clock@3 {
+ compatible = "fixed-clock";
+ reg = <3>;
+ #clock-cells = <0>;
+ clock-output-names = "osc";
+ clock-frequency = <19200000>;
+ };
+
+ clocks: cprman@7e101000 {
+ compatible = "brcm,bcm2835-cprman";
+ #clock-cells = <1>;
+ reg = <0x7e101000 0x2000>;
+ clocks = <&clk_osc>;
+ };
+
+ i2c0: i2c@7e205000 {
+ compatible = "brcm,bcm2835-i2c";
+ reg = <0x7e205000 0x1000>;
+ interrupts = <2 21>;
+ clocks = <&clocks BCM2835_CLOCK_VPU>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt
new file mode 100644
index 000000000..ede65a55e
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt
@@ -0,0 +1,210 @@
+Broadcom iProc Family Clocks
+
+This binding uses the common clock binding:
+ Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+The iProc clock controller manages clocks that are common to the iProc family.
+An SoC from the iProc family may have several PPLs, e.g., ARMPLL, GENPLL,
+LCPLL0, MIPIPLL, and etc., all derived from an onboard crystal. Each PLL
+comprises of several leaf clocks
+
+Required properties for a PLL and its leaf clocks:
+
+- compatible:
+ Should have a value of the form "brcm,<soc>-<pll>". For example, GENPLL on
+Cygnus has a compatible string of "brcm,cygnus-genpll"
+
+- #clock-cells:
+ Have a value of <1> since there are more than 1 leaf clock of a given PLL
+
+- reg:
+ Define the base and range of the I/O address space that contain the iProc
+clock control registers required for the PLL
+
+- clocks:
+ The input parent clock phandle for the PLL. For most iProc PLLs, this is an
+onboard crystal with a fixed rate
+
+- clock-output-names:
+ An ordered list of strings defining the names of the clocks
+
+Example:
+
+ osc: oscillator {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <25000000>;
+ };
+
+ genpll: genpll {
+ #clock-cells = <1>;
+ compatible = "brcm,cygnus-genpll";
+ reg = <0x0301d000 0x2c>, <0x0301c020 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "genpll", "axi21", "250mhz", "ihost_sys",
+ "enet_sw", "audio_125", "can";
+ };
+
+Required properties for ASIU clocks:
+
+ASIU clocks are a special case. These clocks are derived directly from the
+reference clock of the onboard crystal
+
+- compatible:
+ Should have a value of the form "brcm,<soc>-asiu-clk". For example, ASIU
+clocks for Cygnus have a compatible string of "brcm,cygnus-asiu-clk"
+
+- #clock-cells:
+ Have a value of <1> since there are more than 1 ASIU clocks
+
+- reg:
+ Define the base and range of the I/O address space that contain the iProc
+clock control registers required for ASIU clocks
+
+- clocks:
+ The input parent clock phandle for the ASIU clock, i.e., the onboard
+crystal
+
+- clock-output-names:
+ An ordered list of strings defining the names of the ASIU clocks
+
+Example:
+
+ osc: oscillator {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <25000000>;
+ };
+
+ asiu_clks: asiu_clks {
+ #clock-cells = <1>;
+ compatible = "brcm,cygnus-asiu-clk";
+ reg = <0x0301d048 0xc>, <0x180aa024 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "keypad", "adc/touch", "pwm";
+ };
+
+Cygnus
+------
+PLL and leaf clock compatible strings for Cygnus are:
+ "brcm,cygnus-armpll"
+ "brcm,cygnus-genpll"
+ "brcm,cygnus-lcpll0"
+ "brcm,cygnus-mipipll"
+ "brcm,cygnus-asiu-clk"
+
+The following table defines the set of PLL/clock index and ID for Cygnus.
+These clock IDs are defined in:
+ "include/dt-bindings/clock/bcm-cygnus.h"
+
+ Clock Source (Parent) Index ID
+ --- ----- ----- ---------
+ crystal N/A N/A N/A
+
+ armpll crystal N/A N/A
+
+ keypad crystal (ASIU) 0 BCM_CYGNUS_ASIU_KEYPAD_CLK
+ adc/tsc crystal (ASIU) 1 BCM_CYGNUS_ASIU_ADC_CLK
+ pwm crystal (ASIU) 2 BCM_CYGNUS_ASIU_PWM_CLK
+
+ genpll crystal 0 BCM_CYGNUS_GENPLL
+ axi21 genpll 1 BCM_CYGNUS_GENPLL_AXI21_CLK
+ 250mhz genpll 2 BCM_CYGNUS_GENPLL_250MHZ_CLK
+ ihost_sys genpll 3 BCM_CYGNUS_GENPLL_IHOST_SYS_CLK
+ enet_sw genpll 4 BCM_CYGNUS_GENPLL_ENET_SW_CLK
+ audio_125 genpll 5 BCM_CYGNUS_GENPLL_AUDIO_125_CLK
+ can genpll 6 BCM_CYGNUS_GENPLL_CAN_CLK
+
+ lcpll0 crystal 0 BCM_CYGNUS_LCPLL0
+ pcie_phy lcpll0 1 BCM_CYGNUS_LCPLL0_PCIE_PHY_REF_CLK
+ ddr_phy lcpll0 2 BCM_CYGNUS_LCPLL0_DDR_PHY_CLK
+ sdio lcpll0 3 BCM_CYGNUS_LCPLL0_SDIO_CLK
+ usb_phy lcpll0 4 BCM_CYGNUS_LCPLL0_USB_PHY_REF_CLK
+ smart_card lcpll0 5 BCM_CYGNUS_LCPLL0_SMART_CARD_CLK
+ ch5_unused lcpll0 6 BCM_CYGNUS_LCPLL0_CH5_UNUSED
+
+ mipipll crystal 0 BCM_CYGNUS_MIPIPLL
+ ch0_unused mipipll 1 BCM_CYGNUS_MIPIPLL_CH0_UNUSED
+ ch1_lcd mipipll 2 BCM_CYGNUS_MIPIPLL_CH1_LCD
+ ch2_v3d mipipll 3 BCM_CYGNUS_MIPIPLL_CH2_V3D
+ ch3_unused mipipll 4 BCM_CYGNUS_MIPIPLL_CH3_UNUSED
+ ch4_unused mipipll 5 BCM_CYGNUS_MIPIPLL_CH4_UNUSED
+ ch5_unused mipipll 6 BCM_CYGNUS_MIPIPLL_CH5_UNUSED
+
+Northstar and Northstar Plus
+------
+PLL and leaf clock compatible strings for Northstar and Northstar Plus are:
+ "brcm,nsp-armpll"
+ "brcm,nsp-genpll"
+ "brcm,nsp-lcpll0"
+
+The following table defines the set of PLL/clock index and ID for Northstar and
+Northstar Plus. These clock IDs are defined in:
+ "include/dt-bindings/clock/bcm-nsp.h"
+
+ Clock Source Index ID
+ --- ----- ----- ---------
+ crystal N/A N/A N/A
+
+ armpll crystal N/A N/A
+
+ genpll crystal 0 BCM_NSP_GENPLL
+ phy genpll 1 BCM_NSP_GENPLL_PHY_CLK
+ ethernetclk genpll 2 BCM_NSP_GENPLL_ENET_SW_CLK
+ usbclk genpll 3 BCM_NSP_GENPLL_USB_PHY_REF_CLK
+ iprocfast genpll 4 BCM_NSP_GENPLL_IPROCFAST_CLK
+ sata1 genpll 5 BCM_NSP_GENPLL_SATA1_CLK
+ sata2 genpll 6 BCM_NSP_GENPLL_SATA2_CLK
+
+ lcpll0 crystal 0 BCM_NSP_LCPLL0
+ pcie_phy lcpll0 1 BCM_NSP_LCPLL0_PCIE_PHY_REF_CLK
+ sdio lcpll0 2 BCM_NSP_LCPLL0_SDIO_CLK
+ ddr_phy lcpll0 3 BCM_NSP_LCPLL0_DDR_PHY_CLK
+
+Northstar 2
+-----------
+PLL and leaf clock compatible strings for Northstar 2 are:
+ "brcm,ns2-genpll-scr"
+ "brcm,ns2-genpll-sw"
+ "brcm,ns2-lcpll-ddr"
+ "brcm,ns2-lcpll-ports"
+
+The following table defines the set of PLL/clock index and ID for Northstar 2.
+These clock IDs are defined in:
+ "include/dt-bindings/clock/bcm-ns2.h"
+
+ Clock Source Index ID
+ --- ----- ----- ---------
+ crystal N/A N/A N/A
+
+ genpll_scr crystal 0 BCM_NS2_GENPLL_SCR
+ scr genpll_scr 1 BCM_NS2_GENPLL_SCR_SCR_CLK
+ fs genpll_scr 2 BCM_NS2_GENPLL_SCR_FS_CLK
+ audio_ref genpll_scr 3 BCM_NS2_GENPLL_SCR_AUDIO_CLK
+ ch3_unused genpll_scr 4 BCM_NS2_GENPLL_SCR_CH3_UNUSED
+ ch4_unused genpll_scr 5 BCM_NS2_GENPLL_SCR_CH4_UNUSED
+ ch5_unused genpll_scr 6 BCM_NS2_GENPLL_SCR_CH5_UNUSED
+
+ genpll_sw crystal 0 BCM_NS2_GENPLL_SW
+ rpe genpll_sw 1 BCM_NS2_GENPLL_SW_RPE_CLK
+ 250 genpll_sw 2 BCM_NS2_GENPLL_SW_250_CLK
+ nic genpll_sw 3 BCM_NS2_GENPLL_SW_NIC_CLK
+ chimp genpll_sw 4 BCM_NS2_GENPLL_SW_CHIMP_CLK
+ port genpll_sw 5 BCM_NS2_GENPLL_SW_PORT_CLK
+ sdio genpll_sw 6 BCM_NS2_GENPLL_SW_SDIO_CLK
+
+ lcpll_ddr crystal 0 BCM_NS2_LCPLL_DDR
+ pcie_sata_usb lcpll_ddr 1 BCM_NS2_LCPLL_DDR_PCIE_SATA_USB_CLK
+ ddr lcpll_ddr 2 BCM_NS2_LCPLL_DDR_DDR_CLK
+ ch2_unused lcpll_ddr 3 BCM_NS2_LCPLL_DDR_CH2_UNUSED
+ ch3_unused lcpll_ddr 4 BCM_NS2_LCPLL_DDR_CH3_UNUSED
+ ch4_unused lcpll_ddr 5 BCM_NS2_LCPLL_DDR_CH4_UNUSED
+ ch5_unused lcpll_ddr 6 BCM_NS2_LCPLL_DDR_CH5_UNUSED
+
+ lcpll_ports crystal 0 BCM_NS2_LCPLL_PORTS
+ wan lcpll_ports 1 BCM_NS2_LCPLL_PORTS_WAN_CLK
+ rgmii lcpll_ports 2 BCM_NS2_LCPLL_PORTS_RGMII_CLK
+ ch2_unused lcpll_ports 3 BCM_NS2_LCPLL_PORTS_CH2_UNUSED
+ ch3_unused lcpll_ports 4 BCM_NS2_LCPLL_PORTS_CH3_UNUSED
+ ch4_unused lcpll_ports 5 BCM_NS2_LCPLL_PORTS_CH4_UNUSED
+ ch5_unused lcpll_ports 6 BCM_NS2_LCPLL_PORTS_CH5_UNUSED
diff --git a/kernel/Documentation/devicetree/bindings/clock/clock-bindings.txt b/kernel/Documentation/devicetree/bindings/clock/clock-bindings.txt
index 06fc6d541..2ec489eeb 100644
--- a/kernel/Documentation/devicetree/bindings/clock/clock-bindings.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/clock-bindings.txt
@@ -138,9 +138,10 @@ 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.
+clocks in the form of a phandle and clock specifier pair and the
+assigned-clock-rates property should contain a list of frequencies in Hz. Both
+these properties should correspond to the 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.
diff --git a/kernel/Documentation/devicetree/bindings/clock/csr,atlas7-car.txt b/kernel/Documentation/devicetree/bindings/clock/csr,atlas7-car.txt
new file mode 100644
index 000000000..54d6d1358
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/csr,atlas7-car.txt
@@ -0,0 +1,55 @@
+* Clock and reset bindings for CSR atlas7
+
+Required properties:
+- compatible: Should be "sirf,atlas7-car"
+- reg: Address and length of the register set
+- #clock-cells: Should be <1>
+- #reset-cells: Should be <1>
+
+The clock consumer should specify the desired clock by having the clock
+ID in its "clocks" phandle cell.
+The ID list atlas7_clks defined in drivers/clk/sirf/clk-atlas7.c
+
+The reset consumer should specify the desired reset by having the reset
+ID in its "reset" phandle cell.
+The ID list atlas7_reset_unit defined in drivers/clk/sirf/clk-atlas7.c
+
+Examples: Clock and reset controller node:
+
+car: clock-controller@18620000 {
+ compatible = "sirf,atlas7-car";
+ reg = <0x18620000 0x1000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+};
+
+Examples: Consumers using clock or reset:
+
+timer@10dc0000 {
+ compatible = "sirf,macro-tick";
+ reg = <0x10dc0000 0x1000>;
+ clocks = <&car 54>;
+ interrupts = <0 0 0>,
+ <0 1 0>,
+ <0 2 0>,
+ <0 49 0>,
+ <0 50 0>,
+ <0 51 0>;
+};
+
+uart1: uart@18020000 {
+ cell-index = <1>;
+ compatible = "sirf,macro-uart";
+ reg = <0x18020000 0x1000>;
+ clocks = <&clks 95>;
+ interrupts = <0 18 0>;
+ fifosize = <32>;
+};
+
+vpp@13110000 {
+ compatible = "sirf,prima2-vpp";
+ reg = <0x13110000 0x10000>;
+ interrupts = <0 31 0>;
+ clocks = <&car 85>;
+ resets = <&car 29>;
+};
diff --git a/kernel/Documentation/devicetree/bindings/clock/emev2-clock.txt b/kernel/Documentation/devicetree/bindings/clock/emev2-clock.txt
index 60bbb1a8c..268ca6154 100644
--- a/kernel/Documentation/devicetree/bindings/clock/emev2-clock.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/emev2-clock.txt
@@ -52,7 +52,7 @@ usia_u0_sclk: usia_u0_sclk {
Example of consumer:
-uart@e1020000 {
+serial@e1020000 {
compatible = "renesas,em-uart";
reg = <0xe1020000 0x38>;
interrupts = <0 8 0>;
diff --git a/kernel/Documentation/devicetree/bindings/clock/gpio-mux-clock.txt b/kernel/Documentation/devicetree/bindings/clock/gpio-mux-clock.txt
new file mode 100644
index 000000000..2be1e038c
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/gpio-mux-clock.txt
@@ -0,0 +1,19 @@
+Binding for simple gpio clock multiplexer.
+
+This binding uses the common clock binding[1].
+
+[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+Required properties:
+- compatible : shall be "gpio-mux-clock".
+- clocks: list of two references to parent clocks.
+- #clock-cells : from common clock binding; shall be set to 0.
+- select-gpios : GPIO reference for selecting the parent clock.
+
+Example:
+ clock {
+ compatible = "gpio-mux-clock";
+ clocks = <&parentclk1>, <&parentclk2>;
+ #clock-cells = <0>;
+ select-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/hi6220-clock.txt b/kernel/Documentation/devicetree/bindings/clock/hi6220-clock.txt
new file mode 100644
index 000000000..e4d5feaeb
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/hi6220-clock.txt
@@ -0,0 +1,51 @@
+* Hisilicon Hi6220 Clock Controller
+
+Clock control registers reside in different Hi6220 system controllers,
+please refer the following document to know more about the binding rules
+for these system controllers:
+
+Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
+
+Required Properties:
+
+- compatible: the compatible should be one of the following strings to
+ indicate the clock controller functionality.
+
+ - "hisilicon,hi6220-aoctrl"
+ - "hisilicon,hi6220-sysctrl"
+ - "hisilicon,hi6220-mediactrl"
+ - "hisilicon,hi6220-pmctrl"
+ - "hisilicon,hi6220-stub-clk"
+
+- reg: physical base address of the controller and length of memory mapped
+ region.
+
+- #clock-cells: should be 1.
+
+Optional Properties:
+
+- hisilicon,hi6220-clk-sram: phandle to the syscon managing the SoC internal sram;
+ the driver need use the sram to pass parameters for frequency change.
+
+- mboxes: use the label reference for the mailbox as the first parameter, the
+ second parameter is the channel number.
+
+Example 1:
+ sys_ctrl: sys_ctrl@f7030000 {
+ compatible = "hisilicon,hi6220-sysctrl", "syscon";
+ reg = <0x0 0xf7030000 0x0 0x2000>;
+ #clock-cells = <1>;
+ };
+
+Example 2:
+ stub_clock: stub_clock {
+ compatible = "hisilicon,hi6220-stub-clk";
+ hisilicon,hi6220-clk-sram = <&sram>;
+ #clock-cells = <1>;
+ mboxes = <&mailbox 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/hi6220-clock.h>.
diff --git a/kernel/Documentation/devicetree/bindings/clock/imx6ul-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx6ul-clock.txt
new file mode 100644
index 000000000..571d5039f
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/imx6ul-clock.txt
@@ -0,0 +1,13 @@
+* Clock bindings for Freescale i.MX6 UltraLite
+
+Required properties:
+- compatible: Should be "fsl,imx6ul-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/imx6ul-clock.h
+for the full list of i.MX6 UltraLite clock IDs.
diff --git a/kernel/Documentation/devicetree/bindings/clock/imx7d-clock.txt b/kernel/Documentation/devicetree/bindings/clock/imx7d-clock.txt
new file mode 100644
index 000000000..9d3026d81
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/imx7d-clock.txt
@@ -0,0 +1,13 @@
+* Clock bindings for Freescale i.MX7 Dual
+
+Required properties:
+- compatible: Should be "fsl,imx7d-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"
+
+The clock consumer should specify the desired clock by having the clock
+ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx7d-clock.h
+for the full list of i.MX7 Dual clock IDs.
diff --git a/kernel/Documentation/devicetree/bindings/clock/ingenic,cgu.txt b/kernel/Documentation/devicetree/bindings/clock/ingenic,cgu.txt
new file mode 100644
index 000000000..f8d4134ae
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/ingenic,cgu.txt
@@ -0,0 +1,53 @@
+Ingenic SoC CGU binding
+
+The CGU in an Ingenic SoC provides all the clocks generated on-chip. It
+typically includes a variety of PLLs, multiplexers, dividers & gates in order
+to provide many different clock signals derived from only 2 external source
+clocks.
+
+Required properties:
+- compatible : Should be "ingenic,<soctype>-cgu".
+ For example "ingenic,jz4740-cgu" or "ingenic,jz4780-cgu".
+- reg : The address & length of the CGU registers.
+- clocks : List of phandle & clock specifiers for clocks external to the CGU.
+ Two such external clocks should be specified - first the external crystal
+ "ext" and second the RTC clock source "rtc".
+- clock-names : List of name strings for the external clocks.
+- #clock-cells: Should be 1.
+ Clock consumers specify this argument to identify a clock. The valid values
+ may be found in <dt-bindings/clock/<soctype>-cgu.h>.
+
+Example SoC include file:
+
+/ {
+ cgu: jz4740-cgu {
+ compatible = "ingenic,jz4740-cgu";
+ reg = <0x10000000 0x100>;
+ #clock-cells = <1>;
+ };
+
+ uart0: serial@10030000 {
+ clocks = <&cgu JZ4740_CLK_UART0>;
+ };
+};
+
+Example board file:
+
+/ {
+ ext: clock@0 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <12000000>;
+ };
+
+ rtc: clock@1 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ };
+
+ &cgu {
+ clocks = <&ext> <&rtc>;
+ clock-names: "ext", "rtc";
+ };
+};
diff --git a/kernel/Documentation/devicetree/bindings/clock/lpc1850-ccu.txt b/kernel/Documentation/devicetree/bindings/clock/lpc1850-ccu.txt
new file mode 100644
index 000000000..fa97c1201
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/lpc1850-ccu.txt
@@ -0,0 +1,77 @@
+* NXP LPC1850 Clock Control Unit (CCU)
+
+Each CGU base clock has several clock branches which can be turned on
+or off independently by the Clock Control Units CCU1 or CCU2. The
+branch clocks are distributed between CCU1 and CCU2.
+
+ - Above text taken from NXP LPC1850 User Manual.
+
+This binding uses the common clock binding:
+ Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+Required properties:
+- compatible:
+ Should be "nxp,lpc1850-ccu"
+- 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 the branch clock names defined in table below.
+- clocks:
+ Shall contain a list of phandles for the base clocks routed
+ from the CGU to the specific CCU. See mapping of base clocks
+ and CCU in table below.
+- clock-names:
+ Shall contain a list of names for the base clock routed
+ from the CGU to the specific CCU. Valid CCU clock names:
+ "base_usb0_clk", "base_periph_clk", "base_usb1_clk",
+ "base_cpu_clk", "base_spifi_clk", "base_spi_clk",
+ "base_apb1_clk", "base_apb3_clk", "base_adchs_clk",
+ "base_sdio_clk", "base_ssp0_clk", "base_ssp1_clk",
+ "base_uart0_clk", "base_uart1_clk", "base_uart2_clk",
+ "base_uart3_clk", "base_audio_clk"
+
+Which branch clocks that are available on the CCU depends on the
+specific LPC part. Check the user manual for your specific part.
+
+A list of CCU clocks can be found in dt-bindings/clock/lpc18xx-ccu.h.
+
+Example board file:
+
+soc {
+ ccu1: clock-controller@40051000 {
+ compatible = "nxp,lpc1850-ccu";
+ reg = <0x40051000 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&cgu BASE_APB3_CLK>, <&cgu BASE_APB1_CLK>,
+ <&cgu BASE_SPIFI_CLK>, <&cgu BASE_CPU_CLK>,
+ <&cgu BASE_PERIPH_CLK>, <&cgu BASE_USB0_CLK>,
+ <&cgu BASE_USB1_CLK>, <&cgu BASE_SPI_CLK>;
+ clock-names = "base_apb3_clk", "base_apb1_clk",
+ "base_spifi_clk", "base_cpu_clk",
+ "base_periph_clk", "base_usb0_clk",
+ "base_usb1_clk", "base_spi_clk";
+ };
+
+ ccu2: clock-controller@40052000 {
+ compatible = "nxp,lpc1850-ccu";
+ reg = <0x40052000 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&cgu BASE_AUDIO_CLK>, <&cgu BASE_UART3_CLK>,
+ <&cgu BASE_UART2_CLK>, <&cgu BASE_UART1_CLK>,
+ <&cgu BASE_UART0_CLK>, <&cgu BASE_SSP1_CLK>,
+ <&cgu BASE_SSP0_CLK>, <&cgu BASE_SDIO_CLK>;
+ clock-names = "base_audio_clk", "base_uart3_clk",
+ "base_uart2_clk", "base_uart1_clk",
+ "base_uart0_clk", "base_ssp1_clk",
+ "base_ssp0_clk", "base_sdio_clk";
+ };
+
+ /* A user of CCU brach clocks */
+ uart1: serial@40082000 {
+ ...
+ clocks = <&ccu2 CLK_APB0_UART1>, <&ccu1 CLK_CPU_UART1>;
+ ...
+ };
+};
diff --git a/kernel/Documentation/devicetree/bindings/clock/lpc1850-cgu.txt b/kernel/Documentation/devicetree/bindings/clock/lpc1850-cgu.txt
new file mode 100644
index 000000000..2cc32a9a9
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/lpc1850-cgu.txt
@@ -0,0 +1,131 @@
+* NXP LPC1850 Clock Generation Unit (CGU)
+
+The CGU generates multiple independent clocks for the core and the
+peripheral blocks of the LPC18xx. Each independent clock is called
+a base clock and itself is one of the inputs to the two Clock
+Control Units (CCUs) which control the branch clocks to the
+individual peripherals.
+
+The CGU selects the inputs to the clock generators from multiple
+clock sources, controls the clock generation, and routes the outputs
+of the clock generators through the clock source bus to the output
+stages. Each output stage provides an independent clock source and
+corresponds to one of the base clocks for the LPC18xx.
+
+ - Above text taken from NXP LPC1850 User Manual.
+
+
+This binding uses the common clock binding:
+ Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+Required properties:
+- compatible:
+ Should be "nxp,lpc1850-cgu"
+- 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 the base clock numbers defined below.
+- clocks:
+ Shall contain a list of phandles for the external input
+ sources to the CGU. The list shall be in the following
+ order: xtal, 32khz, enet_rx_clk, enet_tx_clk, gp_clkin.
+- clock-indices:
+ Shall be an ordered list of numbers defining the base clock
+ number provided by the CGU.
+- clock-output-names:
+ Shall be an ordered list of strings defining the names of
+ the clocks provided by the CGU.
+
+Which base clocks that are available on the CGU depends on the
+specific LPC part. Base clocks are numbered from 0 to 27.
+
+Number: Name: Description:
+ 0 BASE_SAFE_CLK Base safe clock (always on) for WWDT
+ 1 BASE_USB0_CLK Base clock for USB0
+ 2 BASE_PERIPH_CLK Base clock for Cortex-M0SUB subsystem,
+ SPI, and SGPIO
+ 3 BASE_USB1_CLK Base clock for USB1
+ 4 BASE_CPU_CLK System base clock for ARM Cortex-M core
+ and APB peripheral blocks #0 and #2
+ 5 BASE_SPIFI_CLK Base clock for SPIFI
+ 6 BASE_SPI_CLK Base clock for SPI
+ 7 BASE_PHY_RX_CLK Base clock for Ethernet PHY Receive clock
+ 8 BASE_PHY_TX_CLK Base clock for Ethernet PHY Transmit clock
+ 9 BASE_APB1_CLK Base clock for APB peripheral block # 1
+10 BASE_APB3_CLK Base clock for APB peripheral block # 3
+11 BASE_LCD_CLK Base clock for LCD
+12 BASE_ADCHS_CLK Base clock for ADCHS
+13 BASE_SDIO_CLK Base clock for SD/MMC
+14 BASE_SSP0_CLK Base clock for SSP0
+15 BASE_SSP1_CLK Base clock for SSP1
+16 BASE_UART0_CLK Base clock for UART0
+17 BASE_UART1_CLK Base clock for UART1
+18 BASE_UART2_CLK Base clock for UART2
+19 BASE_UART3_CLK Base clock for UART3
+20 BASE_OUT_CLK Base clock for CLKOUT pin
+24-21 - Reserved
+25 BASE_AUDIO_CLK Base clock for audio system (I2S)
+26 BASE_CGU_OUT0_CLK Base clock for CGU_OUT0 clock output
+27 BASE_CGU_OUT1_CLK Base clock for CGU_OUT1 clock output
+
+BASE_PERIPH_CLK and BASE_SPI_CLK is only available on LPC43xx.
+BASE_ADCHS_CLK is only available on LPC4370.
+
+
+Example board file:
+
+/ {
+ clocks {
+ xtal: xtal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <12000000>;
+ };
+
+ xtal32: xtal32 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ };
+
+ enet_rx_clk: enet_rx_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ clock-output-names = "enet_rx_clk";
+ };
+
+ enet_tx_clk: enet_tx_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ clock-output-names = "enet_tx_clk";
+ };
+
+ gp_clkin: gp_clkin {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ clock-output-names = "gp_clkin";
+ };
+ };
+
+ soc {
+ cgu: clock-controller@40050000 {
+ compatible = "nxp,lpc1850-cgu";
+ reg = <0x40050000 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&xtal>, <&creg_clk 1>, <&enet_rx_clk>, <&enet_tx_clk>, <&gp_clkin>;
+ };
+
+ /* A CGU and CCU clock consumer */
+ lcdc: lcdc@40008000 {
+ ...
+ clocks = <&cgu BASE_LCD_CLK>, <&ccu1 CLK_CPU_LCD>;
+ clock-names = "clcdclk", "apb_pclk";
+ ...
+ };
+ };
+};
diff --git a/kernel/Documentation/devicetree/bindings/clock/marvell,berlin.txt b/kernel/Documentation/devicetree/bindings/clock/marvell,berlin.txt
new file mode 100644
index 000000000..c611c495f
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/marvell,berlin.txt
@@ -0,0 +1,31 @@
+Device Tree Clock bindings for Marvell Berlin
+
+This binding uses the common clock binding[1].
+
+[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+Clock related registers are spread among the chip control registers. Berlin
+clock node should be a sub-node of the chip controller node. Marvell Berlin2
+(BG2, BG2CD, BG2Q) SoCs share the same IP for PLLs and clocks, with some
+minor differences in features and register layout.
+
+Required properties:
+- compatible: must be "marvell,berlin2-clk" or "marvell,berlin2q-clk"
+- #clock-cells: must be 1
+- clocks: must be the input parent clock phandle
+- clock-names: name of the input parent clock
+ Allowed clock-names for the reference clocks are
+ "refclk" for the SoCs oscillator input on all SoCs,
+ and SoC-specific input clocks for
+ BG2/BG2CD: "video_ext0" for the external video clock input
+
+
+Example:
+
+chip_clk: clock {
+ compatible = "marvell,berlin2q-clk";
+
+ #clock-cells = <1>;
+ clocks = <&refclk>;
+ clock-names = "refclk";
+};
diff --git a/kernel/Documentation/devicetree/bindings/clock/marvell,pxa1928.txt b/kernel/Documentation/devicetree/bindings/clock/marvell,pxa1928.txt
new file mode 100644
index 000000000..809c5a2d8
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/marvell,pxa1928.txt
@@ -0,0 +1,21 @@
+* Marvell PXA1928 Clock Controllers
+
+The PXA1928 clock subsystem generates and supplies clock to various
+controllers within the PXA1928 SoC. The PXA1928 contains 3 clock controller
+blocks called APMU, MPMU, and APBC roughly corresponding to internal buses.
+
+Required Properties:
+
+- compatible: should be one of the following.
+ - "marvell,pxa1928-apmu" - APMU controller compatible
+ - "marvell,pxa1928-mpmu" - MPMU controller compatible
+ - "marvell,pxa1928-apbc" - APBC controller compatible
+- reg: physical base address of the clock controller and length of memory mapped
+ region.
+- #clock-cells: should be 1.
+- #reset-cells: should be 1.
+
+Each clock is assigned an identifier and client nodes use the clock controller
+phandle and this identifier to specify the clock which they consume.
+
+All these identifiers can be found in <dt-bindings/clock/marvell,pxa1928.h>.
diff --git a/kernel/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt b/kernel/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt
new file mode 100644
index 000000000..52b457c23
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt
@@ -0,0 +1,83 @@
+Device Tree Clock bindins for CPU DVFS of Mediatek MT8173 SoC
+
+Required properties:
+- clocks: A list of phandle + clock-specifier pairs for the clocks listed in clock names.
+- clock-names: Should contain the following:
+ "cpu" - The multiplexer for clock input of CPU cluster.
+ "intermediate" - A parent of "cpu" clock which is used as "intermediate" clock
+ source (usually MAINPLL) when the original CPU PLL is under
+ transition and not stable yet.
+ Please refer to Documentation/devicetree/bindings/clk/clock-bindings.txt for
+ generic clock consumer properties.
+- proc-supply: Regulator for Vproc of CPU cluster.
+
+Optional properties:
+- sram-supply: Regulator for Vsram of CPU cluster. When present, the cpufreq driver
+ needs to do "voltage tracking" to step by step scale up/down Vproc and
+ Vsram to fit SoC specific needs. When absent, the voltage scaling
+ flow is handled by hardware, hence no software "voltage tracking" is
+ needed.
+
+Example:
+--------
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x000>;
+ enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA53SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x001>;
+ enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA53SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ };
+
+ cpu2: cpu@100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57";
+ reg = <0x100>;
+ enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA57SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ };
+
+ cpu3: cpu@101 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57";
+ reg = <0x101>;
+ enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA57SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ };
+
+ &cpu0 {
+ proc-supply = <&mt6397_vpca15_reg>;
+ };
+
+ &cpu1 {
+ proc-supply = <&mt6397_vpca15_reg>;
+ };
+
+ &cpu2 {
+ proc-supply = <&da9211_vcpu_reg>;
+ sram-supply = <&mt6397_vsramca7_reg>;
+ };
+
+ &cpu3 {
+ proc-supply = <&da9211_vcpu_reg>;
+ sram-supply = <&mt6397_vsramca7_reg>;
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt b/kernel/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt
index 31c7c0c1c..660e64912 100644
--- a/kernel/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt
@@ -19,6 +19,7 @@ ID Clock Peripheral
9 pex1 PCIe Cntrl 1
15 sata0 SATA Host 0
17 sdio SDHCI Host
+23 crypto CESA (crypto engine)
25 tdm Time Division Mplx
28 ddr DDR Cntrl
30 sata1 SATA Host 0
diff --git a/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt
index c6620bc96..7f02fb4ca 100644
--- a/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt
@@ -20,15 +20,38 @@ Required properties :
- #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.
+- nvidia,external-memory-controller : phandle of the EMC driver.
+
+The node should contain a "emc-timings" subnode for each supported RAM type (see
+field RAM_CODE in register PMC_STRAPPING_OPT_A).
+
+Required properties for "emc-timings" nodes :
+- nvidia,ram-code : Should contain the value of RAM_CODE this timing set
+ is used for.
+
+Each "emc-timings" node should contain a "timing" subnode for every supported
+EMC clock rate.
+
+Required properties for "timing" nodes :
+- clock-frequency : Should contain the memory clock rate to which this timing
+relates.
+- nvidia,parent-clock-frequency : Should contain the rate at which the current
+parent of the EMC clock should be running at this timing.
+- clocks : Must contain an entry for each entry in clock-names.
+ See ../clocks/clock-bindings.txt for details.
+- clock-names : Must include the following entries:
+ - emc-parent : the clock that should be the parent of the EMC clock at this
+timing.
Example SoC include file:
/ {
- tegra_car: clock {
+ tegra_car: clock@60006000 {
compatible = "nvidia,tegra124-car";
reg = <0x60006000 0x1000>;
#clock-cells = <1>;
#reset-cells = <1>;
+ nvidia,external-memory-controller = <&emc>;
};
usb@c5004000 {
@@ -62,4 +85,23 @@ Example board file:
&tegra_car {
clocks = <&clk_32k> <&osc>;
};
+
+ clock@60006000 {
+ emc-timings-3 {
+ nvidia,ram-code = <3>;
+
+ timing-12750000 {
+ clock-frequency = <12750000>;
+ nvidia,parent-clock-frequency = <408000000>;
+ clocks = <&tegra_car TEGRA124_CLK_PLL_P>;
+ clock-names = "emc-parent";
+ };
+ timing-20400000 {
+ clock-frequency = <20400000>;
+ nvidia,parent-clock-frequency = <408000000>;
+ clocks = <&tegra_car TEGRA124_CLK_PLL_P>;
+ clock-names = "emc-parent";
+ };
+ };
+ };
};
diff --git a/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt
new file mode 100644
index 000000000..ee7e5fd4a
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt
@@ -0,0 +1,79 @@
+NVIDIA Tegra124 DFLL FCPU clocksource
+
+This binding uses the common clock binding:
+Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+The DFLL IP block on Tegra is a root clocksource designed for clocking
+the fast CPU cluster. It consists of a free-running voltage controlled
+oscillator connected to the CPU voltage rail (VDD_CPU), and a closed loop
+control module that will automatically adjust the VDD_CPU voltage by
+communicating with an off-chip PMIC either via an I2C bus or via PWM signals.
+Currently only the I2C mode is supported by these bindings.
+
+Required properties:
+- compatible : should be "nvidia,tegra124-dfll"
+- reg : Defines the following set of registers, in the order listed:
+ - registers for the DFLL control logic.
+ - registers for the I2C output logic.
+ - registers for the integrated I2C master controller.
+ - look-up table RAM for voltage register values.
+- interrupts: Should contain the DFLL block interrupt.
+- clocks: Must contain an entry for each entry in clock-names.
+ See clock-bindings.txt for details.
+- clock-names: Must include the following entries:
+ - soc: Clock source for the DFLL control logic.
+ - ref: The closed loop reference clock
+ - i2c: Clock source for the integrated I2C master.
+- resets: Must contain an entry for each entry in reset-names.
+ See ../reset/reset.txt for details.
+- reset-names: Must include the following entries:
+ - dvco: Reset control for the DFLL DVCO.
+- #clock-cells: Must be 0.
+- clock-output-names: Name of the clock output.
+- vdd-cpu-supply: Regulator for the CPU voltage rail that the DFLL
+ hardware will start controlling. The regulator will be queried for
+ the I2C register, control values and supported voltages.
+
+Required properties for the control loop parameters:
+- nvidia,sample-rate: Sample rate of the DFLL control loop.
+- nvidia,droop-ctrl: See the register CL_DVFS_DROOP_CTRL in the TRM.
+- nvidia,force-mode: See the field DFLL_PARAMS_FORCE_MODE in the TRM.
+- nvidia,cf: Numeric value, see the field DFLL_PARAMS_CF_PARAM in the TRM.
+- nvidia,ci: Numeric value, see the field DFLL_PARAMS_CI_PARAM in the TRM.
+- nvidia,cg: Numeric value, see the field DFLL_PARAMS_CG_PARAM in the TRM.
+
+Optional properties for the control loop parameters:
+- nvidia,cg-scale: Boolean value, see the field DFLL_PARAMS_CG_SCALE in the TRM.
+
+Required properties for I2C mode:
+- nvidia,i2c-fs-rate: I2C transfer rate, if using full speed mode.
+
+Example:
+
+clock@0,70110000 {
+ compatible = "nvidia,tegra124-dfll";
+ reg = <0 0x70110000 0 0x100>, /* DFLL control */
+ <0 0x70110000 0 0x100>, /* I2C output control */
+ <0 0x70110100 0 0x100>, /* Integrated I2C controller */
+ <0 0x70110200 0 0x100>; /* Look-up table RAM */
+ interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&tegra_car TEGRA124_CLK_DFLL_SOC>,
+ <&tegra_car TEGRA124_CLK_DFLL_REF>,
+ <&tegra_car TEGRA124_CLK_I2C5>;
+ clock-names = "soc", "ref", "i2c";
+ resets = <&tegra_car TEGRA124_RST_DFLL_DVCO>;
+ reset-names = "dvco";
+ #clock-cells = <0>;
+ clock-output-names = "dfllCPU_out";
+ vdd-cpu-supply = <&vdd_cpu>;
+ status = "okay";
+
+ nvidia,sample-rate = <12500>;
+ nvidia,droop-ctrl = <0x00000f00>;
+ nvidia,force-mode = <1>;
+ nvidia,cf = <10>;
+ nvidia,ci = <0>;
+ nvidia,cg = <2>;
+
+ nvidia,i2c-fs-rate = <400000>;
+};
diff --git a/kernel/Documentation/devicetree/bindings/clock/qca,ath79-pll.txt b/kernel/Documentation/devicetree/bindings/clock/qca,ath79-pll.txt
new file mode 100644
index 000000000..e0fc2c11d
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/qca,ath79-pll.txt
@@ -0,0 +1,33 @@
+Binding for Qualcomm Atheros AR7xxx/AR9XXX PLL controller
+
+The PPL controller provides the 3 main clocks of the SoC: CPU, DDR and AHB.
+
+Required Properties:
+- compatible: has to be "qca,<soctype>-cpu-intc" and one of the following
+ fallbacks:
+ - "qca,ar7100-pll"
+ - "qca,ar7240-pll"
+ - "qca,ar9130-pll"
+ - "qca,ar9330-pll"
+ - "qca,ar9340-pll"
+ - "qca,qca9550-pll"
+- reg: Base address and size of the controllers memory area
+- clock-names: Name of the input clock, has to be "ref"
+- clocks: phandle of the external reference clock
+- #clock-cells: has to be one
+
+Optional properties:
+- clock-output-names: should be "cpu", "ddr", "ahb"
+
+Example:
+
+ memory-controller@18050000 {
+ compatible = "qca,ar9132-ppl", "qca,ar9130-pll";
+ reg = <0x18050000 0x20>;
+
+ clock-names = "ref";
+ clocks = <&extosc>;
+
+ #clock-cells = <1>;
+ clock-output-names = "cpu", "ddr", "ahb";
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/qcom,gcc.txt b/kernel/Documentation/devicetree/bindings/clock/qcom,gcc.txt
index 54c23f34f..152dfaab2 100644
--- a/kernel/Documentation/devicetree/bindings/clock/qcom,gcc.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/qcom,gcc.txt
@@ -18,10 +18,14 @@ Required properties :
- #clock-cells : shall contain 1
- #reset-cells : shall contain 1
+Optional properties :
+- #power-domain-cells : shall contain 1
+
Example:
clock-controller@900000 {
compatible = "qcom,gcc-msm8960";
reg = <0x900000 0x4000>;
#clock-cells = <1>;
#reset-cells = <1>;
+ #power-domain-cells = <1>;
};
diff --git a/kernel/Documentation/devicetree/bindings/clock/qcom,mmcc.txt b/kernel/Documentation/devicetree/bindings/clock/qcom,mmcc.txt
index 29ebf84d2..34e7614d5 100644
--- a/kernel/Documentation/devicetree/bindings/clock/qcom,mmcc.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/qcom,mmcc.txt
@@ -14,10 +14,14 @@ Required properties :
- #clock-cells : shall contain 1
- #reset-cells : shall contain 1
+Optional properties :
+- #power-domain-cells : shall contain 1
+
Example:
clock-controller@4000000 {
compatible = "qcom,mmcc-msm8960";
reg = <0x4000000 0x1000>;
#clock-cells = <1>;
#reset-cells = <1>;
+ #power-domain-cells = <1>;
};
diff --git a/kernel/Documentation/devicetree/bindings/clock/qoriq-clock.txt b/kernel/Documentation/devicetree/bindings/clock/qoriq-clock.txt
index df4a259a6..16a3ec433 100644
--- a/kernel/Documentation/devicetree/bindings/clock/qoriq-clock.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/qoriq-clock.txt
@@ -1,6 +1,6 @@
* Clock Block on Freescale QorIQ Platforms
-Freescale qoriq chips take primary clocking input from the external
+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
@@ -13,14 +13,16 @@ which the chip complies.
Chassis Version Example Chips
--------------- -------------
1.0 p4080, p5020, p5040
-2.0 t4240, b4860, t1040
+2.0 t4240, b4860
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:
+- compatible: Should contain a chip-specific clock block compatible
+ string and (if applicable) may contain a chassis-version clock
+ compatible string.
+
+ Chip-specific strings are of the form "fsl,<chip>-clockgen", such as:
* "fsl,p2041-clockgen"
* "fsl,p3041-clockgen"
* "fsl,p4080-clockgen"
@@ -30,15 +32,14 @@ Required properties:
* "fsl,b4420-clockgen"
* "fsl,b4860-clockgen"
* "fsl,ls1021a-clockgen"
- Chassis clock strings include:
+ Chassis-version 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:
+Optional 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
@@ -47,8 +48,46 @@ Recommended properties:
- #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
+- clock-frequency: Input system clock frequency (SYSCLK)
+- clocks: If clock-frequency is not specified, sysclk may be provided
+ as an input clock. Either clock-frequency or clocks must be
+ provided.
+
+2. Clock Provider
+
+The clockgen node should act as a clock provider, though in older device
+trees the children of the clockgen node are the clock providers.
+
+When the clockgen node is a clock provider, #clock-cells = <2>.
+The first cell of the clock specifier is the clock type, and the
+second cell is the clock index for the specified type.
+
+ Type# Name Index Cell
+ 0 sysclk must be 0
+ 1 cmux index (n in CLKCnCSR)
+ 2 hwaccel index (n in CLKCGnHWACSR)
+ 3 fman 0 for fm1, 1 for fm2
+ 4 platform pll 0=pll, 1=pll/2, 2=pll/3, 3=pll/4
+
+3. Example
+
+ clockgen: global-utilities@e1000 {
+ compatible = "fsl,p5020-clockgen", "fsl,qoriq-clockgen-1.0";
+ clock-frequency = <133333333>;
+ reg = <0xe1000 0x1000>;
+ #clock-cells = <2>;
+ };
+
+ fman@400000 {
+ ...
+ clocks = <&clockgen 3 0>;
+ ...
+ };
+}
+4. Legacy Child Nodes
-2. Clock Provider/Consumer Binding
+NOTE: These nodes are deprecated. Kernels should continue to support
+device trees with these nodes, but new device trees should not use them.
Most of the bindings are from the common clock binding[1].
[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
@@ -82,7 +121,7 @@ Recommended properties:
- reg: Should be the offset and length of clock block base address.
The length should be 4.
-Example for clock block and clock provider:
+Legacy Example:
/ {
clockgen: global-utilities@e1000 {
compatible = "fsl,p5020-clockgen", "fsl,qoriq-clockgen-1.0";
@@ -142,7 +181,7 @@ Example for clock block and clock provider:
};
};
-Example for clock consumer:
+Example for legacy clock consumer:
/ {
cpu0: PowerPC,e5500@0 {
diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt
index 054f65f93..38dcf0370 100644
--- a/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt
@@ -1,7 +1,7 @@
* 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
+Generator (CPG). Their clock input is divided by a configurable factor from 1
to 64.
Required Properties:
@@ -10,9 +10,11 @@ Required Properties:
- "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,r8a7791-div6-clock" for R8A7791 (R-Car M2-W) DIV6 clocks
+ - "renesas,r8a7793-div6-clock" for R8A7793 (R-Car M2-N) DIV6 clocks
+ - "renesas,r8a7794-div6-clock" for R8A7794 (R-Car E2) DIV6 clocks
- "renesas,sh73a0-div6-clock" for SH73A0 (SH-Mobile AG5) DIV6 clocks
- - "renesas,cpg-div6-clock" for generic DIV6 clocks
+ and "renesas,cpg-div6-clock" as a fallback.
- 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
diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt
new file mode 100644
index 000000000..59297d34b
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt
@@ -0,0 +1,69 @@
+* Renesas Clock Pulse Generator / Module Standby and Software Reset
+
+On Renesas ARM SoCs (SH/R-Mobile, R-Car, RZ), the CPG (Clock Pulse Generator)
+and MSSR (Module Standby and Software Reset) blocks are intimately connected,
+and share the same register block.
+
+They provide the following functionalities:
+ - The CPG block generates various core clocks,
+ - The MSSR block provides two functions:
+ 1. Module Standby, providing a Clock Domain to control the clock supply
+ to individual SoC devices,
+ 2. Reset Control, to perform a software reset of individual SoC devices.
+
+Required Properties:
+ - compatible: Must be one of:
+ - "renesas,r8a7795-cpg-mssr" for the r8a7795 SoC
+
+ - reg: Base address and length of the memory resource used by the CPG/MSSR
+ block
+
+ - clocks: References to external parent clocks, one entry for each entry in
+ clock-names
+ - clock-names: List of external parent clock names. Valid names are:
+ - "extal" (r8a7795)
+ - "extalr" (r8a7795)
+
+ - #clock-cells: Must be 2
+ - For CPG core clocks, the two clock specifier cells must be "CPG_CORE"
+ and a core clock reference, as defined in
+ <dt-bindings/clock/*-cpg-mssr.h>.
+ - For module clocks, the two clock specifier cells must be "CPG_MOD" and
+ a module number, as defined in the datasheet.
+
+ - #power-domain-cells: Must be 0
+ - SoC devices that are part of the CPG/MSSR Clock Domain and can be
+ power-managed through Module Standby should refer to the CPG device
+ node in their "power-domains" property, as documented by the generic PM
+ Domain bindings in
+ Documentation/devicetree/bindings/power/power_domain.txt.
+
+
+Examples
+--------
+
+ - CPG device node:
+
+ cpg: clock-controller@e6150000 {
+ compatible = "renesas,r8a7795-cpg-mssr";
+ reg = <0 0xe6150000 0 0x1000>;
+ clocks = <&extal_clk>, <&extalr_clk>;
+ clock-names = "extal", "extalr";
+ #clock-cells = <2>;
+ #power-domain-cells = <0>;
+ };
+
+
+ - CPG/MSSR Clock Domain member device node:
+
+ scif2: serial@e6e88000 {
+ compatible = "renesas,scif-r8a7795", "renesas,scif";
+ reg = <0 0xe6e88000 0 64>;
+ interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 310>;
+ clock-names = "sci_ick";
+ dmas = <&dmac1 0x13>, <&dmac1 0x12>;
+ dma-names = "tx", "rx";
+ power-domains = <&cpg>;
+ status = "disabled";
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt
index 0a80fa70c..16ed18155 100644
--- a/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt
@@ -13,12 +13,14 @@ Required Properties:
- "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,r8a7778-mstp-clocks" for R8A7778 (R-Car M1) 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,r8a7791-mstp-clocks" for R8A7791 (R-Car M2-W) MSTP gate clocks
+ - "renesas,r8a7793-mstp-clocks" for R8A7793 (R-Car M2-N) 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
+ and "renesas,cpg-mstp-clocks" as a fallback.
- 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
diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,h8300-div-clock.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,h8300-div-clock.txt
new file mode 100644
index 000000000..36c2b5282
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/renesas,h8300-div-clock.txt
@@ -0,0 +1,24 @@
+* Renesas H8/300 divider clock
+
+Required Properties:
+
+ - compatible: Must be "renesas,sh73a0-h8300-div-clock"
+
+ - clocks: Reference to the parent clocks ("extal1" and "extal2")
+
+ - #clock-cells: Must be 1
+
+ - reg: Base address and length of the divide rate selector
+
+ - renesas,width: bit width of selector
+
+Example
+-------
+
+ cclk: cclk {
+ compatible = "renesas,h8300-div-clock";
+ clocks = <&xclk>;
+ #clock-cells = <0>;
+ reg = <0xfee01b 2>;
+ renesas,width = <2>;
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,h8s2678-pll-clock.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,h8s2678-pll-clock.txt
new file mode 100644
index 000000000..500cdadbc
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/renesas,h8s2678-pll-clock.txt
@@ -0,0 +1,23 @@
+Renesas H8S2678 PLL clock
+
+This device is Clock multiplyer
+
+Required Properties:
+
+ - compatible: Must be "renesas,h8s2678-pll-clock"
+
+ - clocks: Reference to the parent clocks
+
+ - #clock-cells: Must be 0
+
+ - reg: Two rate selector (Multiply / Divide) register address
+
+Example
+-------
+
+ pllclk: pllclk {
+ compatible = "renesas,h8s2678-pll-clock";
+ clocks = <&xclk>;
+ #clock-cells = <0>;
+ reg = <0xfee03b 2>, <0xfee045 2>;
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt
index 2f3747fdc..e4cdaf1cb 100644
--- a/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt
@@ -1,7 +1,9 @@
* Renesas R8A7778 Clock Pulse Generator (CPG)
The CPG generates core clocks for the R8A7778. It includes two PLLs and
-several fixed ratio dividers
+several fixed ratio dividers.
+The CPG also provides a Clock Domain for SoC devices, in combination with the
+CPG Module Stop (MSTP) Clocks.
Required Properties:
@@ -10,10 +12,18 @@ Required Properties:
- #clock-cells: Must be 1
- clock-output-names: The names of the clocks. Supported clocks are
"plla", "pllb", "b", "out", "p", "s", and "s1".
+ - #power-domain-cells: Must be 0
+SoC devices that are part of the CPG/MSTP Clock Domain and can be power-managed
+through an MSTP clock should refer to the CPG device node in their
+"power-domains" property, as documented by the generic PM domain bindings in
+Documentation/devicetree/bindings/power/power_domain.txt.
-Example
--------
+
+Examples
+--------
+
+ - CPG device node:
cpg_clocks: cpg_clocks@ffc80000 {
compatible = "renesas,r8a7778-cpg-clocks";
@@ -22,4 +32,17 @@ Example
clocks = <&extal_clk>;
clock-output-names = "plla", "pllb", "b",
"out", "p", "s", "s1";
+ #power-domain-cells = <0>;
+ };
+
+
+ - CPG/MSTP Clock Domain member device node:
+
+ sdhi0: sd@ffe4c000 {
+ compatible = "renesas,sdhi-r8a7778";
+ reg = <0xffe4c000 0x100>;
+ interrupts = <0 87 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp3_clks R8A7778_CLK_SDHI0>;
+ power-domains = <&cpg_clocks>;
+ status = "disabled";
};
diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt
index ed3c8cb12..8c81547c2 100644
--- a/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt
@@ -1,7 +1,9 @@
* Renesas R8A7779 Clock Pulse Generator (CPG)
The CPG generates core clocks for the R8A7779. It includes one PLL and
-several fixed ratio dividers
+several fixed ratio dividers.
+The CPG also provides a Clock Domain for SoC devices, in combination with the
+CPG Module Stop (MSTP) Clocks.
Required Properties:
@@ -12,16 +14,36 @@ Required Properties:
- #clock-cells: Must be 1
- clock-output-names: The names of the clocks. Supported clocks are "plla",
"z", "zs", "s", "s1", "p", "b", "out".
+ - #power-domain-cells: Must be 0
+SoC devices that are part of the CPG/MSTP Clock Domain and can be power-managed
+through an MSTP clock should refer to the CPG device node in their
+"power-domains" property, as documented by the generic PM domain bindings in
+Documentation/devicetree/bindings/power/power_domain.txt.
-Example
--------
+
+Examples
+--------
+
+ - CPG device node:
cpg_clocks: cpg_clocks@ffc80000 {
compatible = "renesas,r8a7779-cpg-clocks";
- reg = <0 0xffc80000 0 0x30>;
+ reg = <0xffc80000 0x30>;
clocks = <&extal_clk>;
#clock-cells = <1>;
clock-output-names = "plla", "z", "zs", "s", "s1", "p",
"b", "out";
+ #power-domain-cells = <0>;
+ };
+
+
+ - CPG/MSTP Clock Domain member device node:
+
+ sata: sata@fc600000 {
+ compatible = "renesas,sata-r8a7779", "renesas,rcar-sata";
+ reg = <0xfc600000 0x2000>;
+ interrupts = <0 100 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp1_clks R8A7779_CLK_SATA>;
+ power-domains = <&cpg_clocks>;
};
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
index b02944fba..2a9a8edc8 100644
--- a/kernel/Documentation/devicetree/bindings/clock/renesas,rcar-gen2-cpg-clocks.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/renesas,rcar-gen2-cpg-clocks.txt
@@ -2,6 +2,8 @@
The CPG generates core clocks for the R-Car Gen2 SoCs. It includes three PLLs
and several fixed ratio dividers.
+The CPG also provides a Clock Domain for SoC devices, in combination with the
+CPG Module Stop (MSTP) Clocks.
Required Properties:
@@ -10,7 +12,7 @@ Required Properties:
- "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
+ and "renesas,rcar-gen2-cpg-clocks" as a fallback.
- reg: Base address and length of the memory resource used by the CPG
@@ -20,10 +22,18 @@ Required Properties:
- clock-output-names: The names of the clocks. Supported clocks are "main",
"pll0", "pll1", "pll3", "lb", "qspi", "sdh", "sd0", "sd1", "z", "rcan", and
"adsp"
+ - #power-domain-cells: Must be 0
+SoC devices that are part of the CPG/MSTP Clock Domain and can be power-managed
+through an MSTP clock should refer to the CPG device node in their
+"power-domains" property, as documented by the generic PM domain bindings in
+Documentation/devicetree/bindings/power/power_domain.txt.
-Example
--------
+
+Examples
+--------
+
+ - CPG device node:
cpg_clocks: cpg_clocks@e6150000 {
compatible = "renesas,r8a7790-cpg-clocks",
@@ -34,4 +44,16 @@ Example
clock-output-names = "main", "pll0, "pll1", "pll3",
"lb", "qspi", "sdh", "sd0", "sd1", "z",
"rcan", "adsp";
+ #power-domain-cells = <0>;
+ };
+
+
+ - CPG/MSTP Clock Domain member device node:
+
+ thermal@e61f0000 {
+ compatible = "renesas,thermal-r8a7790", "renesas,rcar-thermal";
+ reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>;
+ interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp5_clks R8A7790_CLK_THERMAL>;
+ power-domains = <&cpg_clocks>;
};
diff --git a/kernel/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt b/kernel/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt
index 98a257492..bb51a33a1 100644
--- a/kernel/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt
@@ -2,22 +2,32 @@
The CPG generates core clocks for the RZ SoCs. It includes the PLL, variable
CPU and GPU clocks, and several fixed ratio dividers.
+The CPG also provides a Clock Domain for SoC devices, in combination with the
+CPG Module Stop (MSTP) Clocks.
Required Properties:
- compatible: Must be one of
- "renesas,r7s72100-cpg-clocks" for the r7s72100 CPG
- - "renesas,rz-cpg-clocks" for the generic RZ CPG
+ and "renesas,rz-cpg-clocks" as a fallback.
- 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"
+ - #power-domain-cells: Must be 0
+SoC devices that are part of the CPG/MSTP Clock Domain and can be power-managed
+through an MSTP clock should refer to the CPG device node in their
+"power-domains" property, as documented by the generic PM domain bindings in
+Documentation/devicetree/bindings/power/power_domain.txt.
-Example
--------
+
+Examples
+--------
+
+ - CPG device node:
cpg_clocks: cpg_clocks@fcfe0000 {
#clock-cells = <1>;
@@ -26,4 +36,19 @@ Example
reg = <0xfcfe0000 0x18>;
clocks = <&extal_clk>, <&usb_x1_clk>;
clock-output-names = "pll", "i", "g";
+ #power-domain-cells = <0>;
+ };
+
+
+ - CPG/MSTP Clock Domain member device node:
+
+ mtu2: timer@fcff0000 {
+ compatible = "renesas,mtu2-r7s72100", "renesas,mtu2";
+ reg = <0xfcff0000 0x400>;
+ interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "tgi0a";
+ clocks = <&mstp3_clks R7S72100_CLK_MTU2>;
+ clock-names = "fck";
+ power-domains = <&cpg_clocks>;
+ status = "disabled";
};
diff --git a/kernel/Documentation/devicetree/bindings/clock/rockchip,rk3368-cru.txt b/kernel/Documentation/devicetree/bindings/clock/rockchip,rk3368-cru.txt
new file mode 100644
index 000000000..7c8bbcfed
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/rockchip,rk3368-cru.txt
@@ -0,0 +1,61 @@
+* Rockchip RK3368 Clock and Reset Unit
+
+The RK3368 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,rk3368-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 changeable, 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/rk3368-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_gmac" - external GMAC clock - optional
+ - "ext_hsadc" - external HSADC clock - optional,
+ - "ext_isp" - external ISP clock - optional,
+ - "ext_jtag" - external JTAG clock - optional
+ - "ext_vip" - external VIP clock - optional,
+ - "usbotg_out" - output clock of the pll in the otg phy
+
+Example: Clock controller node:
+
+ cru: clock-controller@ff760000 {
+ compatible = "rockchip,rk3368-cru";
+ reg = <0x0 0xff760000 0x0 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/silabs,si514.txt b/kernel/Documentation/devicetree/bindings/clock/silabs,si514.txt
new file mode 100644
index 000000000..ea1a9dbc6
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/silabs,si514.txt
@@ -0,0 +1,24 @@
+Binding for Silicon Labs 514 programmable I2C clock generator.
+
+Reference
+This binding uses the common clock binding[1]. Details about the device can be
+found in the datasheet[2].
+
+[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
+[2] Si514 datasheet
+ http://www.silabs.com/Support%20Documents/TechnicalDocs/si514.pdf
+
+Required properties:
+ - compatible: Shall be "silabs,si514"
+ - reg: I2C device address.
+ - #clock-cells: From common clock bindings: Shall be 0.
+
+Optional properties:
+ - clock-output-names: From common clock bindings. Recommended to be "si514".
+
+Example:
+ si514: clock-generator@55 {
+ reg = <0x55>;
+ #clock-cells = <0>;
+ compatible = "silabs,si514";
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt b/kernel/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt
new file mode 100644
index 000000000..fee3205cd
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt
@@ -0,0 +1,65 @@
+STMicroelectronics STM32 Reset and Clock Controller
+===================================================
+
+The RCC IP is both a reset and a clock controller. This documentation only
+describes the clock part.
+
+Please also refer to clock-bindings.txt in this directory for common clock
+controller binding usage.
+
+Required properties:
+- compatible: Should be "st,stm32f42xx-rcc"
+- reg: should be register base and length as documented in the
+ datasheet
+- #clock-cells: 2, device nodes should specify the clock in their "clocks"
+ property, containing a phandle to the clock device node, an index selecting
+ between gated clocks and other clocks and an index specifying the clock to
+ use.
+
+Example:
+
+ rcc: rcc@40023800 {
+ #clock-cells = <2>
+ compatible = "st,stm32f42xx-rcc", "st,stm32-rcc";
+ reg = <0x40023800 0x400>;
+ };
+
+Specifying gated clocks
+=======================
+
+The primary index must be set to 0.
+
+The secondary index is the bit number within the RCC register bank, starting
+from the first RCC clock enable register (RCC_AHB1ENR, address offset 0x30).
+
+It is calculated as: index = register_offset / 4 * 32 + bit_offset.
+Where bit_offset is the bit offset within the register (LSB is 0, MSB is 31).
+
+Example:
+
+ /* Gated clock, AHB1 bit 0 (GPIOA) */
+ ... {
+ clocks = <&rcc 0 0>
+ };
+
+ /* Gated clock, AHB2 bit 4 (CRYP) */
+ ... {
+ clocks = <&rcc 0 36>
+ };
+
+Specifying other clocks
+=======================
+
+The primary index must be set to 1.
+
+The secondary index is bound with the following magic numbers:
+
+ 0 SYSTICK
+ 1 FCLK
+
+Example:
+
+ /* Misc clock, FCLK */
+ ... {
+ clocks = <&rcc 1 1>
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt
index efb51cf0c..844b3a097 100644
--- a/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt
@@ -21,8 +21,9 @@ Required properties:
"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"
+ "sst,plls-c32-cx_0", "st,clkgen-plls-c32"
+ "sst,plls-c32-cx_1", "st,clkgen-plls-c32"
+ "st,stih418-plls-c28-a9", "st,clkgen-plls-c32"
"st,stih415-gpu-pll-c32", "st,clkgengpu-pll-c32"
"st,stih416-gpu-pll-c32", "st,clkgengpu-pll-c32"
diff --git a/kernel/Documentation/devicetree/bindings/clock/sunxi.txt b/kernel/Documentation/devicetree/bindings/clock/sunxi.txt
index 4fa11af3d..8a47b77ab 100644
--- a/kernel/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/kernel/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -67,6 +67,7 @@ Required properties:
"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,sun8i-a23-usb-clk" - for usb gates + resets on A23
"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
diff --git a/kernel/Documentation/devicetree/bindings/clock/ti,cdce925.txt b/kernel/Documentation/devicetree/bindings/clock/ti,cdce925.txt
new file mode 100644
index 000000000..4c7669ad6
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/ti,cdce925.txt
@@ -0,0 +1,42 @@
+Binding for TO CDCE925 programmable I2C clock synthesizers.
+
+Reference
+This binding uses the common clock binding[1].
+
+[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
+[2] http://www.ti.com/product/cdce925
+
+The driver provides clock sources for each output Y1 through Y5.
+
+Required properties:
+ - compatible: Shall be "ti,cdce925"
+ - reg: I2C device address.
+ - clocks: Points to a fixed parent clock that provides the input frequency.
+ - #clock-cells: From common clock bindings: Shall be 1.
+
+Optional properties:
+ - xtal-load-pf: Crystal load-capacitor value to fine-tune performance on a
+ board, or to compensate for external influences.
+
+For both PLL1 and PLL2 an optional child node can be used to specify spread
+spectrum clocking parameters for a board.
+ - spread-spectrum: SSC mode as defined in the data sheet.
+ - spread-spectrum-center: Use "centered" mode instead of "max" mode. When
+ present, the clock runs at the requested frequency on average. Otherwise
+ the requested frequency is the maximum value of the SCC range.
+
+
+Example:
+
+ clockgen: cdce925pw@64 {
+ compatible = "cdce925";
+ reg = <0x64>;
+ clocks = <&xtal_27Mhz>;
+ #clock-cells = <1>;
+ xtal-load-pf = <5>;
+ /* PLL options to get SSC 1% centered */
+ PLL2 {
+ spread-spectrum = <4>;
+ spread-spectrum-center;
+ };
+ };
diff --git a/kernel/Documentation/devicetree/bindings/clock/ux500.txt b/kernel/Documentation/devicetree/bindings/clock/ux500.txt
new file mode 100644
index 000000000..e52bd4b72
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/ux500.txt
@@ -0,0 +1,64 @@
+Clock bindings for ST-Ericsson Ux500 clocks
+
+Required properties :
+- compatible : shall contain only one of the following:
+ "stericsson,u8500-clks"
+ "stericsson,u8540-clks"
+ "stericsson,u9540-clks"
+- reg : shall contain base register location and length for
+ CLKRST1, 2, 3, 5, and 6 in an array. Note the absence of
+ CLKRST4, which does not exist.
+
+Required subnodes:
+- prcmu-clock: a subnode with one clock cell for PRCMU (power,
+ reset, control unit) clocks. The cell indicates which PRCMU
+ clock in the prcmu-clock node the consumer wants to use.
+- prcc-periph-clock: a subnode with two clock cells for
+ PRCC (programmable reset- and clock controller) peripheral clocks.
+ The first cell indicates which PRCC block the consumer
+ wants to use, possible values are 1, 2, 3, 5, 6. The second
+ cell indicates which clock inside the PRCC block it wants,
+ possible values are 0 thru 31.
+- prcc-kernel-clock: a subnode with two clock cells for
+ PRCC (programmable reset- and clock controller) kernel clocks
+ The first cell indicates which PRCC block the consumer
+ wants to use, possible values are 1, 2, 3, 5, 6. The second
+ cell indicates which clock inside the PRCC block it wants,
+ possible values are 0 thru 31.
+- rtc32k-clock: a subnode with zero clock cells for the 32kHz
+ RTC clock.
+- smp-twd-clock: a subnode for the ARM SMP Timer Watchdog cluster
+ with zero clock cells.
+
+Example:
+
+clocks {
+ compatible = "stericsson,u8500-clks";
+ /*
+ * Registers for the CLKRST block on peripheral
+ * groups 1, 2, 3, 5, 6,
+ */
+ reg = <0x8012f000 0x1000>, <0x8011f000 0x1000>,
+ <0x8000f000 0x1000>, <0xa03ff000 0x1000>,
+ <0xa03cf000 0x1000>;
+
+ prcmu_clk: prcmu-clock {
+ #clock-cells = <1>;
+ };
+
+ prcc_pclk: prcc-periph-clock {
+ #clock-cells = <2>;
+ };
+
+ prcc_kclk: prcc-kernel-clock {
+ #clock-cells = <2>;
+ };
+
+ rtc_clk: rtc32k-clock {
+ #clock-cells = <0>;
+ };
+
+ smp_twd_clk: smp-twd-clock {
+ #clock-cells = <0>;
+ };
+};
diff --git a/kernel/Documentation/devicetree/bindings/clock/zx296702-clk.txt b/kernel/Documentation/devicetree/bindings/clock/zx296702-clk.txt
new file mode 100644
index 000000000..750442b65
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/clock/zx296702-clk.txt
@@ -0,0 +1,35 @@
+Device Tree Clock bindings for ZTE zx296702
+
+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:
+ "zte,zx296702-topcrm-clk":
+ zx296702 top clock selection, divider and gating
+
+ "zte,zx296702-lsp0crpm-clk" and
+ "zte,zx296702-lsp1crpm-clk":
+ zx296702 device level clock selection and gating
+
+- reg: Address and length of the register set
+
+The clock consumer should specify the desired clock by having the clock
+ID in its "clocks" phandle cell. See include/dt-bindings/clock/zx296702-clock.h
+for the full list of zx296702 clock IDs.
+
+
+topclk: topcrm@0x09800000 {
+ compatible = "zte,zx296702-topcrm-clk";
+ reg = <0x09800000 0x1000>;
+ #clock-cells = <1>;
+};
+
+uart0: serial@0x09405000 {
+ compatible = "zte,zx296702-uart";
+ reg = <0x09405000 0x1000>;
+ interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&lsp1clk ZX296702_UART0_PCLK>;
+ status = "disabled";
+};