From d5ed78c5a2305b7952f4e86f4de4c68630875264 Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Thu, 21 Jan 2016 17:57:49 +0000 Subject: [PATCH] BCM270X_DT: Add Pi3 support --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 192 ++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/bcm2710.dtsi | 102 ++++++++++++++++++ 3 files changed, 295 insertions(+) create mode 100644 arch/arm/boot/dts/bcm2710-rpi-3-b.dts create mode 100644 arch/arm/boot/dts/bcm2710.dtsi --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -5,6 +5,7 @@ dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rp dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-cm.dtb dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-cm.dtb dtb-$(CONFIG_ARCH_BCM2709) += bcm2709-rpi-2-b.dtb +dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-3-b.dtb # Raspberry Pi ifeq ($(CONFIG_ARCH_BCM2708),y) --- /dev/null +++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts @@ -0,0 +1,192 @@ +/dts-v1/; + +#include "bcm2710.dtsi" + +/ { + compatible = "brcm,bcm2710","brcm,bcm2709"; + model = "Raspberry Pi 3 Model B"; +}; + +&gpio { + sdhost_pins: sdhost_pins { + brcm,pins = <48 49 50 51 52 53>; + brcm,function = <4>; /* alt0 */ + }; + + spi0_pins: spi0_pins { + brcm,pins = <9 10 11>; + brcm,function = <4>; /* alt0 */ + }; + + spi0_cs_pins: spi0_cs_pins { + brcm,pins = <8 7>; + brcm,function = <1>; /* output */ + }; + + i2c0_pins: i2c0 { + brcm,pins = <0 1>; + brcm,function = <4>; + }; + + i2c1_pins: i2c1 { + brcm,pins = <2 3>; + brcm,function = <4>; + }; + + i2s_pins: i2s { + brcm,pins = <18 19 20 21>; + brcm,function = <4>; /* alt0 */ + }; + + sdio_pins: sdio_pins { + brcm,pins = <34 35 36 37 38 39>; + brcm,function = <7>; // alt3 = SD1 + brcm,pull = <0 2 2 2 2 2>; + }; + + bt_pins: bt_pins { + brcm,pins = <28 29 30 31 43>; + brcm,function = <6 6 6 6 4>; /* alt2:PCM alt0:GPCLK2 */ + brcm,pull = <0 0 0 0 0>; + }; + + uart0_pins: uart0_pins { + brcm,pins = <32 33>; + brcm,function = <7>; /* alt3=UART0 */ + brcm,pull = <0 0>; + }; + + uart1_pins: uart1_pins { + brcm,pins = <14 15>; + brcm,function = <2>; /* alt5=UART1 */ + brcm,pull = <0 0>; + }; +}; + +&sdhost { + pinctrl-names = "default"; + pinctrl-0 = <&sdhost_pins>; + bus-width = <4>; + status = "okay"; +}; + +&mmc { + pinctrl-names = "default"; + pinctrl-0 = <&sdio_pins>; + non-removable; + bus-width = <4>; + status = "okay"; + brcm,overclock-50 = <0>; +}; + +&soc { + virtgpio: virtgpio { + compatible = "brcm,bcm2835-virtgpio"; + gpio-controller; + #gpio-cells = <2>; + firmware = <&firmware>; + status = "okay"; + }; +}; + +&fb { + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins &bt_pins>; + status = "okay"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>; + status = "okay"; +}; + +&spi0 { + pinctrl-names = "default"; + pinctrl-0 = <&spi0_pins &spi0_cs_pins>; + cs-gpios = <&gpio 8 1>, <&gpio 7 1>; + + spidev@0{ + compatible = "spidev"; + reg = <0>; /* CE0 */ + #address-cells = <1>; + #size-cells = <0>; + spi-max-frequency = <500000>; + }; + + spidev@1{ + compatible = "spidev"; + reg = <1>; /* CE1 */ + #address-cells = <1>; + #size-cells = <0>; + spi-max-frequency = <500000>; + }; +}; + +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + clock-frequency = <100000>; +}; + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + clock-frequency = <100000>; +}; + +&i2c2 { + clock-frequency = <100000>; +}; + +&i2s { + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&i2s_pins>; +}; + +&random { + status = "okay"; +}; + +&leds { + act_led: act { + label = "led0"; + linux,default-trigger = "mmc0"; + gpios = <&virtgpio 0 0>; + }; +}; + +/ { + chosen { + bootargs = "8250.nr_uarts=1"; + }; +}; + +/ { + __overrides__ { + uart0 = <&uart0>,"status"; + uart0_clkrate = <&clk_uart0>,"clock-frequency:0"; + i2s = <&i2s>,"status"; + spi = <&spi0>,"status"; + i2c0 = <&i2c0>,"status"; + i2c1 = <&i2c1>,"status"; + i2c2_iknowwhatimdoing = <&i2c2>,"status"; + i2c0_baudrate = <&i2c0>,"clock-frequency:0"; + i2c1_baudrate = <&i2c1>,"clock-frequency:0"; + i2c2_baudrate = <&i2c2>,"clock-frequency:0"; + core_freq = <&clk_core>,"clock-frequency:0"; + + act_led_gpio = <&act_led>,"gpios:4"; + act_led_activelow = <&act_led>,"gpios:8"; + act_led_trigger = <&act_led>,"linux,default-trigger"; + + audio = <&audio>,"status"; + watchdog = <&watchdog>,"status"; + random = <&random>,"status"; + }; +}; --- /dev/null +++ b/arch/arm/boot/dts/bcm2710.dtsi @@ -0,0 +1,102 @@ +#include "bcm2708_common.dtsi" + +/ { + compatible = "brcm,bcm2710","brcm,bcm2709"; + model = "BCM2710"; + + chosen { + /* No padding required - the boot loader can do that. */ + bootargs = ""; + }; + + soc { + ranges = <0x7e000000 0x3f000000 0x01000000>, + <0x40000000 0x40000000 0x00040000>; + + local_intc: local_intc { + compatible = "brcm,bcm2836-l1-intc"; + reg = <0x40000000 0x100>; + interrupt-controller; + #interrupt-cells = <1>; + interrupt-parent = <&local_intc>; + }; + + arm-pmu { + compatible = "arm,cortex-a7-pmu"; + interrupt-parent = <&local_intc>; + interrupts = <9>; + }; + + gpiomem { + compatible = "brcm,bcm2835-gpiomem"; + reg = <0x7e200000 0x1000>; + status = "okay"; + }; + + timer { + compatible = "arm,armv7-timer"; + clock-frequency = <19200000>; + interrupt-parent = <&local_intc>; + interrupts = <0>, // PHYS_SECURE_PPI + <1>, // PHYS_NONSECURE_PPI + <3>, // VIRT_PPI + <2>; // HYP_PPI + always-on; + }; + + syscon@40000000 { + compatible = "brcm,bcm2836-arm-local", "syscon"; + reg = <0x40000000 0x100>; + }; + }; + + cpus: cpus { + #address-cells = <1>; + #size-cells = <0>; + + v7_cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x000>; + clock-frequency = <800000000>; + }; + + v7_cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x001>; + clock-frequency = <800000000>; + }; + + v7_cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x002>; + clock-frequency = <800000000>; + }; + + v7_cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x003>; + clock-frequency = <800000000>; + }; + }; + + __overrides__ { + arm_freq = <&v7_cpu0>, "clock-frequency:0", + <&v7_cpu1>, "clock-frequency:0", + <&v7_cpu2>, "clock-frequency:0", + <&v7_cpu3>, "clock-frequency:0"; + }; +}; + +&watchdog { + status = "okay"; +}; + +&intc { + compatible = "brcm,bcm2836-armctrl-ic"; + interrupt-parent = <&local_intc>; + interrupts = <8>; +};