From 75967d69ea58555d12a7d9058653a69210d2ba86 Mon Sep 17 00:00:00 2001
From: Phil Elwell <pelwell@users.noreply.github.com>
Date: Wed, 18 Sep 2019 09:02:10 +0100
Subject: [PATCH] dts: Add DTS for Pi 2B rev 1.2 with BCM2837 (#3235)

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
 arch/arm/boot/dts/Makefile                    |   1 +
 arch/arm/boot/dts/bcm2710-rpi-2-b.dts         | 125 ++++++++++++++++++
 arch/arm64/boot/dts/broadcom/Makefile         |   2 +
 .../boot/dts/broadcom/bcm2710-rpi-2-b.dts     |   3 +
 4 files changed, 131 insertions(+)
 create mode 100644 arch/arm/boot/dts/bcm2710-rpi-2-b.dts
 create mode 100644 arch/arm64/boot/dts/broadcom/bcm2710-rpi-2-b.dts

--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
 	bcm2708-rpi-zero.dtb \
 	bcm2708-rpi-zero-w.dtb \
 	bcm2709-rpi-2-b.dtb \
+	bcm2710-rpi-2-b.dtb \
 	bcm2710-rpi-3-b.dtb \
 	bcm2711-rpi-4-b.dtb \
 	bcm2710-rpi-3-b-plus.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2710-rpi-2-b.dts
@@ -0,0 +1,125 @@
+/dts-v1/;
+
+#include "bcm2710.dtsi"
+#include "bcm2709-rpi.dtsi"
+#include "bcm283x-rpi-smsc9514.dtsi"
+#include "bcm283x-rpi-csi1-2lane.dtsi"
+
+/ {
+	compatible = "raspberrypi,2-model-b-rev2", "brcm,bcm2837";
+	model = "Raspberry Pi 2 Model B rev 1.2";
+};
+
+&gpio {
+	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 */
+	};
+
+	audio_pins: audio_pins {
+		brcm,pins = <40 45>;
+		brcm,function = <4>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
+	cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
+
+	spidev0: spidev@0{
+		compatible = "spidev";
+		reg = <0>;	/* CE0 */
+		#address-cells = <1>;
+		#size-cells = <0>;
+		spi-max-frequency = <125000000>;
+	};
+
+	spidev1: spidev@1{
+		compatible = "spidev";
+		reg = <1>;	/* CE1 */
+		#address-cells = <1>;
+		#size-cells = <0>;
+		spi-max-frequency = <125000000>;
+	};
+};
+
+&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 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2s_pins>;
+};
+
+&leds {
+	act_led: act {
+		label = "led0";
+		linux,default-trigger = "mmc0";
+		gpios = <&gpio 47 0>;
+	};
+
+	pwr_led: pwr {
+		label = "led1";
+		linux,default-trigger = "input";
+		gpios = <&gpio 35 0>;
+	};
+};
+
+&hdmi {
+	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+};
+
+&audio {
+	pinctrl-names = "default";
+	pinctrl-0 = <&audio_pins>;
+};
+
+/ {
+	__overrides__ {
+		act_led_gpio = <&act_led>,"gpios:4";
+		act_led_activelow = <&act_led>,"gpios:8";
+		act_led_trigger = <&act_led>,"linux,default-trigger";
+
+		pwr_led_gpio = <&pwr_led>,"gpios:4";
+		pwr_led_activelow = <&pwr_led>,"gpios:8";
+		pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
+	};
+};
--- a/arch/arm64/boot/dts/broadcom/Makefile
+++ b/arch/arm64/boot/dts/broadcom/Makefile
@@ -1,7 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-b.dtb \
 			      bcm2837-rpi-3-b-plus.dtb
+dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-2-b.dtb
 dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-3-b.dtb
+dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-2-b.dtb
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-3-b.dtb
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-4-b.dtb
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2710-rpi-3-b-plus.dtb
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm2710-rpi-2-b.dts
@@ -0,0 +1,3 @@
+#define RPI364
+
+#include "../../../../arm/boot/dts/bcm2710-rpi-2-b.dts"
