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172 lines
3.9 KiB
Diff
172 lines
3.9 KiB
Diff
From 75967d69ea58555d12a7d9058653a69210d2ba86 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <pelwell@users.noreply.github.com>
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Date: Wed, 18 Sep 2019 09:02:10 +0100
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Subject: [PATCH] dts: Add DTS for Pi 2B rev 1.2 with BCM2837 (#3235)
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/bcm2710-rpi-2-b.dts | 125 ++++++++++++++++++
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arch/arm64/boot/dts/broadcom/Makefile | 2 +
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.../boot/dts/broadcom/bcm2710-rpi-2-b.dts | 3 +
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4 files changed, 131 insertions(+)
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create mode 100644 arch/arm/boot/dts/bcm2710-rpi-2-b.dts
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create mode 100644 arch/arm64/boot/dts/broadcom/bcm2710-rpi-2-b.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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@@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
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bcm2708-rpi-zero.dtb \
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bcm2708-rpi-zero-w.dtb \
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bcm2709-rpi-2-b.dtb \
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+ bcm2710-rpi-2-b.dtb \
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bcm2710-rpi-3-b.dtb \
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bcm2711-rpi-4-b.dtb \
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bcm2710-rpi-3-b-plus.dtb \
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--- /dev/null
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+++ b/arch/arm/boot/dts/bcm2710-rpi-2-b.dts
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@@ -0,0 +1,125 @@
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+/dts-v1/;
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+
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+#include "bcm2710.dtsi"
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+#include "bcm2709-rpi.dtsi"
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+#include "bcm283x-rpi-smsc9514.dtsi"
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+#include "bcm283x-rpi-csi1-2lane.dtsi"
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+
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+/ {
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+ compatible = "raspberrypi,2-model-b-rev2", "brcm,bcm2837";
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+ model = "Raspberry Pi 2 Model B rev 1.2";
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+};
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+
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+&gpio {
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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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+ audio_pins: audio_pins {
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+ brcm,pins = <40 45>;
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+ brcm,function = <4>;
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+ };
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+};
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+
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+&uart0 {
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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 = <125000000>;
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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 = <125000000>;
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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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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2s_pins>;
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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 = <&gpio 47 0>;
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+ };
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+
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+ pwr_led: pwr {
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+ label = "led1";
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+ linux,default-trigger = "input";
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+ gpios = <&gpio 35 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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+ 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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+ pwr_led_gpio = <&pwr_led>,"gpios:4";
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+ pwr_led_activelow = <&pwr_led>,"gpios:8";
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+ pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
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+ };
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+};
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--- a/arch/arm64/boot/dts/broadcom/Makefile
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+++ b/arch/arm64/boot/dts/broadcom/Makefile
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@@ -1,7 +1,9 @@
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# SPDX-License-Identifier: GPL-2.0
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dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-b.dtb \
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bcm2837-rpi-3-b-plus.dtb
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+dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-2-b.dtb
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dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-3-b.dtb
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+dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-2-b.dtb
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dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-3-b.dtb
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dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-4-b.dtb
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dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-3-b-plus.dtb
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--- /dev/null
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+++ b/arch/arm64/boot/dts/broadcom/bcm2710-rpi-2-b.dts
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@@ -0,0 +1,3 @@
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+#define RPI364
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+
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+#include "../../../../arm/boot/dts/bcm2710-rpi-2-b.dts"
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