This is not hooked up to anything yet, but it means that our later 2836-specific changes will be more obvious. The bcm2836-rpi-2-b.dts actually comes from bcm2835-rpi-2-b-plus, which apparently is the closest.
Signed-off-by: Eric Anholt <[email protected]> --- arch/arm/boot/dts/bcm2836-rpi-2-b.dts | 30 +++++++++++++++++++++ arch/arm/boot/dts/bcm2836-rpi.dtsi | 51 +++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/bcm2836.dtsi | 31 +++++++++++++++++++++ 3 files changed, 112 insertions(+) create mode 100644 arch/arm/boot/dts/bcm2836-rpi-2-b.dts create mode 100644 arch/arm/boot/dts/bcm2836-rpi.dtsi create mode 100644 arch/arm/boot/dts/bcm2836.dtsi diff --git a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts new file mode 100644 index 0000000..668442b --- /dev/null +++ b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts @@ -0,0 +1,30 @@ +/dts-v1/; +#include "bcm2835-rpi.dtsi" + +/ { + compatible = "raspberrypi,model-b-plus", "brcm,bcm2835"; + model = "Raspberry Pi Model B+"; + + leds { + act { + gpios = <&gpio 47 0>; + }; + + pwr { + label = "PWR"; + gpios = <&gpio 35 0>; + default-state = "keep"; + linux,default-trigger = "default-on"; + }; + }; +}; + +&gpio { + pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>; + + /* I2S interface */ + i2s_alt0: i2s_alt0 { + brcm,pins = <18 19 20 21>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; +}; diff --git a/arch/arm/boot/dts/bcm2836-rpi.dtsi b/arch/arm/boot/dts/bcm2836-rpi.dtsi new file mode 100644 index 0000000..46780bb --- /dev/null +++ b/arch/arm/boot/dts/bcm2836-rpi.dtsi @@ -0,0 +1,51 @@ +#include "bcm2835.dtsi" + +/ { + memory { + reg = <0 0x10000000>; + }; + + leds { + compatible = "gpio-leds"; + + act { + label = "ACT"; + default-state = "keep"; + linux,default-trigger = "heartbeat"; + }; + }; +}; + +&gpio { + pinctrl-names = "default"; + + gpioout: gpioout { + brcm,pins = <6>; + brcm,function = <BCM2835_FSEL_GPIO_OUT>; + }; + + alt0: alt0 { + brcm,pins = <0 1 2 3 4 5 7 8 9 10 11 14 15 40 45>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + + alt3: alt3 { + brcm,pins = <48 49 50 51 52 53>; + brcm,function = <BCM2835_FSEL_ALT3>; + }; +}; + +&i2c0 { + status = "okay"; + clock-frequency = <100000>; +}; + +&i2c1 { + status = "okay"; + clock-frequency = <100000>; +}; + +&sdhci { + status = "okay"; + bus-width = <4>; +}; diff --git a/arch/arm/boot/dts/bcm2836.dtsi b/arch/arm/boot/dts/bcm2836.dtsi new file mode 100644 index 0000000..bdf9993 --- /dev/null +++ b/arch/arm/boot/dts/bcm2836.dtsi @@ -0,0 +1,31 @@ +#include <dt-bindings/pinctrl/bcm2835.h> +#include "skeleton.dtsi" +#include "bcm283x-common.dtsi" + +/ { + compatible = "brcm,bcm2835"; + model = "BCM2835"; + interrupt-parent = <&intc>; + + chosen { + bootargs = "earlyprintk console=ttyAMA0"; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x7e000000 0x20000000 0x02000000>; + + timer@7e003000 { + compatible = "brcm,bcm2835-system-timer"; + reg = <0x7e003000 0x1000>; + interrupts = <1 0>, <1 1>, <1 2>, <1 3>; + clock-frequency = <1000000>; + }; + + arm-pmu { + compatible = "arm,arm1176-pmu"; + }; + }; +}; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
