2b1c6b21b5
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
200 lines
4.1 KiB
Diff
200 lines
4.1 KiB
Diff
From 22af0da1539b63a5dc49cc03d28a726027e2d688 Mon Sep 17 00:00:00 2001
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From: James Adams <james@raspberrypi.org>
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Date: Fri, 12 Aug 2016 14:35:00 +0100
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Subject: [PATCH] Add cm3 dts file
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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/bcm2710-rpi-cm3.dts | 176 ++++++++++++++++++++++++++++++++++
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2 files changed, 177 insertions(+)
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create mode 100644 arch/arm/boot/dts/bcm2710-rpi-cm3.dts
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--- a/arch/arm/boot/dts/Makefile
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+++ b/arch/arm/boot/dts/Makefile
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@@ -6,6 +6,7 @@ dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rp
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dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-cm.dtb
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dtb-$(CONFIG_ARCH_BCM2709) += bcm2709-rpi-2-b.dtb
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dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-3-b.dtb
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+dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-cm3.dtb
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# Raspberry Pi
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ifeq ($(CONFIG_ARCH_BCM2708),y)
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--- /dev/null
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+++ b/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
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@@ -0,0 +1,176 @@
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+/dts-v1/;
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+
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+#include "bcm2710.dtsi"
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+
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+/ {
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+ compatible = "brcm,bcm2710","brcm,bcm2709";
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+ model = "Raspberry Pi Compute Module 3";
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+};
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+
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+&gpio {
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+
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+ mmc_pins: mmc_pins {
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+ brcm,pins = <48 49 50 51 52 53>;
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+ brcm,function = <7>; /* alt3 */
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+ brcm,pull = <0 2 2 2 2 2>;
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+ };
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+
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+ spi0_pins: spi0_pins {
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+ brcm,pins = <9 10 11>;
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+ brcm,function = <4>; /* alt0 */
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+ };
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+
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+ spi0_cs_pins: spi0_cs_pins {
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+ brcm,pins = <8 7>;
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+ brcm,function = <1>; /* output */
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+ };
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+
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+ i2c0_pins: i2c0 {
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+ brcm,pins = <0 1>;
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+ brcm,function = <4>;
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+ };
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+
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+ i2c1_pins: i2c1 {
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+ brcm,pins = <2 3>;
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+ brcm,function = <4>;
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+ };
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+
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+ i2s_pins: i2s {
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+ brcm,pins = <18 19 20 21>;
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+ brcm,function = <4>; /* alt0 */
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+ };
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+
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+ uart0_pins: uart0_pins {
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+ brcm,pins;
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+ brcm,function;
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+ brcm,pull = <0 2>;
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+ };
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+
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+ audio_pins: audio_pins {
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+ brcm,pins;
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+ brcm,function;
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+ };
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+};
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+
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+&mmc {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&mmc_pins>;
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+ non-removable;
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+ bus-width = <4>;
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+ status = "okay";
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+ brcm,overclock-50 = <0>;
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+};
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+
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+&soc {
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+ virtgpio: virtgpio {
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+ compatible = "brcm,bcm2835-virtgpio";
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+ gpio-controller;
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+ #gpio-cells = <2>;
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+ firmware = <&firmware>;
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+ status = "okay";
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+ };
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+};
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+
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+&fb {
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+ status = "okay";
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+};
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+
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+&uart0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0_pins>;
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+ status = "okay";
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+};
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+
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+&spi0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
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+ cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
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+
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+ spidev0: spidev@0{
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+ compatible = "spidev";
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+ reg = <0>; /* CE0 */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spi-max-frequency = <500000>;
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+ };
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+
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+ spidev1: spidev@1{
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+ compatible = "spidev";
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+ reg = <1>; /* CE1 */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spi-max-frequency = <500000>;
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+ };
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+};
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+
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+&i2c0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c0_pins>;
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+ clock-frequency = <100000>;
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+};
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+
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+&i2c1 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c1_pins>;
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+ clock-frequency = <100000>;
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+};
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+
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+&i2c2 {
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+ clock-frequency = <100000>;
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+};
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+
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+&i2s {
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+ #sound-dai-cells = <0>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2s_pins>;
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+};
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+
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+&random {
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+ status = "okay";
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+};
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+
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+&leds {
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+ act_led: act {
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+ label = "led0";
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+ linux,default-trigger = "mmc0";
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+ gpios = <&virtgpio 0 0>;
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+ };
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+};
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+
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+&hdmi {
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+ hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
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+};
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+
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+&audio {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&audio_pins>;
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+};
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+
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+/ {
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+ __overrides__ {
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+ uart0 = <&uart0>,"status";
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+ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
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+ uart1 = <&uart1>,"status";
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+ i2s = <&i2s>,"status";
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+ spi = <&spi0>,"status";
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+ i2c0 = <&i2c0>,"status";
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+ i2c1 = <&i2c1>,"status";
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+ i2c2_iknowwhatimdoing = <&i2c2>,"status";
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+ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
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+ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
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+ i2c2_baudrate = <&i2c2>,"clock-frequency:0";
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+ core_freq = <&clk_core>,"clock-frequency:0";
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+
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+ act_led_gpio = <&act_led>,"gpios:4";
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+ act_led_activelow = <&act_led>,"gpios:8";
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+ act_led_trigger = <&act_led>,"linux,default-trigger";
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+
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+ audio = <&audio>,"status";
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+ watchdog = <&watchdog>,"status";
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+ random = <&random>,"status";
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+ sd_overclock = <&sdhost>,"brcm,overclock-50:0";
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+ sd_force_pio = <&sdhost>,"brcm,force-pio?";
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+ sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
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+ sd_debug = <&sdhost>,"brcm,debug";
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+ };
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+};
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