diff options
Diffstat (limited to 'kernel/arch/arm/boot/dts/bcm2835.dtsi')
| -rw-r--r-- | kernel/arch/arm/boot/dts/bcm2835.dtsi | 77 |
1 files changed, 50 insertions, 27 deletions
diff --git a/kernel/arch/arm/boot/dts/bcm2835.dtsi b/kernel/arch/arm/boot/dts/bcm2835.dtsi index 3342cb140..aef64de77 100644 --- a/kernel/arch/arm/boot/dts/bcm2835.dtsi +++ b/kernel/arch/arm/boot/dts/bcm2835.dtsi @@ -1,4 +1,6 @@ -/include/ "skeleton.dtsi" +#include <dt-bindings/pinctrl/bcm2835.h> +#include <dt-bindings/clock/bcm2835.h> +#include "skeleton.dtsi" / { compatible = "brcm,bcm2835"; @@ -14,11 +16,16 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x7e000000 0x20000000 0x02000000>; + dma-ranges = <0x40000000 0x00000000 0x20000000>; timer@7e003000 { compatible = "brcm,bcm2835-system-timer"; reg = <0x7e003000 0x1000>; interrupts = <1 0>, <1 1>, <1 2>, <1 3>; + /* This could be a reference to BCM2835_CLOCK_TIMER, + * but we don't have the driver using the common clock + * support yet. + */ clock-frequency = <1000000>; }; @@ -55,11 +62,29 @@ reg = <0x7e100000 0x28>; }; + clocks: cprman@7e101000 { + compatible = "brcm,bcm2835-cprman"; + #clock-cells = <1>; + reg = <0x7e101000 0x2000>; + + /* CPRMAN derives everything from the platform's + * oscillator. + */ + clocks = <&clk_osc>; + }; + rng@7e104000 { compatible = "brcm,bcm2835-rng"; reg = <0x7e104000 0x10>; }; + mailbox: mailbox@7e00b800 { + compatible = "brcm,bcm2835-mbox"; + reg = <0x7e00b880 0x40>; + interrupts = <0 1>; + #mbox-cells = <0>; + }; + gpio: gpio@7e200000 { compatible = "brcm,bcm2835-gpio"; reg = <0x7e200000 0xb4>; @@ -83,11 +108,13 @@ #interrupt-cells = <2>; }; - uart@7e201000 { + uart0: uart@7e201000 { compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell"; reg = <0x7e201000 0x1000>; interrupts = <2 25>; - clock-frequency = <3000000>; + clocks = <&clocks BCM2835_CLOCK_UART>, + <&clocks BCM2835_CLOCK_VPU>; + clock-names = "uartclk", "apb_pclk"; arm,primecell-periphid = <0x00241011>; }; @@ -106,17 +133,17 @@ compatible = "brcm,bcm2835-spi"; reg = <0x7e204000 0x1000>; interrupts = <2 22>; - clocks = <&clk_spi>; + clocks = <&clocks BCM2835_CLOCK_VPU>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; }; - i2c0: i2c@20205000 { + i2c0: i2c@7e205000 { compatible = "brcm,bcm2835-i2c"; reg = <0x7e205000 0x1000>; interrupts = <2 21>; - clocks = <&clk_i2c>; + clocks = <&clocks BCM2835_CLOCK_VPU>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -126,7 +153,7 @@ compatible = "brcm,bcm2835-sdhci"; reg = <0x7e300000 0x100>; interrupts = <2 30>; - clocks = <&clk_mmc>; + clocks = <&clocks BCM2835_CLOCK_EMMC>; status = "disabled"; }; @@ -134,7 +161,17 @@ compatible = "brcm,bcm2835-i2c"; reg = <0x7e804000 0x1000>; interrupts = <2 21>; - clocks = <&clk_i2c>; + clocks = <&clocks BCM2835_CLOCK_VPU>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c2: i2c@7e805000 { + compatible = "brcm,bcm2835-i2c"; + reg = <0x7e805000 0x1000>; + interrupts = <2 21>; + clocks = <&clocks BCM2835_CLOCK_VPU>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -156,28 +193,14 @@ #address-cells = <1>; #size-cells = <0>; - clk_mmc: clock@0 { - compatible = "fixed-clock"; - reg = <0>; - #clock-cells = <0>; - clock-output-names = "mmc"; - clock-frequency = <100000000>; - }; - - clk_i2c: clock@1 { + /* The oscillator is the root of the clock tree. */ + clk_osc: clock@3 { compatible = "fixed-clock"; - reg = <1>; + reg = <3>; #clock-cells = <0>; - clock-output-names = "i2c"; - clock-frequency = <250000000>; + clock-output-names = "osc"; + clock-frequency = <19200000>; }; - clk_spi: clock@2 { - compatible = "fixed-clock"; - reg = <2>; - #clock-cells = <0>; - clock-output-names = "spi"; - clock-frequency = <250000000>; - }; }; }; |