openwrt/target/linux/brcm2708/patches-4.14/950-0250-BCM270X_DT-Add-Pi-3-dts-files.patch

From 09bd29626a880f4bbcd4d3b3ebbdbaf170e0b27c Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Fri, 21 Jul 2017 11:33:25 +0100
Subject: [PATCH 250/454] BCM270X_DT: Add Pi 3+ dts files

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
 arch/arm/boot/dts/Makefile                 |   1 +
 arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts | 183 +++++++++++++++++++++
 arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi |  36 ++++
 arch/arm/boot/dts/overlays/README          |   8 +
 4 files changed, 228 insertions(+)
 create mode 100644 arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
 create mode 100644 arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi

--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -8,6 +8,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
 	bcm2708-rpi-0-w.dtb \
 	bcm2709-rpi-2-b.dtb \
 	bcm2710-rpi-3-b.dtb \
+	bcm2710-rpi-3-b-plus.dtb \
 	bcm2710-rpi-cm3.dtb
 
 dtb-$(CONFIG_ARCH_ALPINE) += \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
@@ -0,0 +1,183 @@
+/dts-v1/;
+
+#include "bcm2710.dtsi"
+#include "bcm283x-rpi-lan7515.dtsi"
+
+/ {
+	compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
+	model = "Raspberry Pi 3 Model B+";
+
+	chosen {
+		bootargs = "8250.nr_uarts=1";
+	};
+
+	aliases {
+		serial0 = &uart1;
+		serial1 = &uart0;
+	};
+};
+
+&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 */
+	};
+
+	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 = <43>;
+		brcm,function = <4>; /* alt0:GPCLK2 */
+		brcm,pull = <0>;
+	};
+
+	uart0_pins: uart0_pins {
+		brcm,pins = <32 33>;
+		brcm,function = <7>; /* alt3=UART0 */
+		brcm,pull = <0 2>;
+	};
+
+	uart1_pins: uart1_pins {
+		brcm,pins;
+		brcm,function;
+		brcm,pull;
+	};
+
+	audio_pins: audio_pins {
+		brcm,pins = <40 41>;
+		brcm,function = <4>;
+	};
+};
+
+&mmc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdio_pins>;
+	non-removable;
+	bus-width = <4>;
+	status = "okay";
+	brcm,overclock-50 = <0>;
+};
+
+&soc {
+	expgpio: expgpio {
+		compatible = "brcm,bcm2835-expgpio";
+		gpio-controller;
+		#gpio-cells = <2>;
+		firmware = <&firmware>;
+		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>;
+
+	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 29 0>;
+	};
+
+	pwr_led: pwr {
+		label = "led1";
+		linux,default-trigger = "default-on";
+		gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&hdmi {
+	hpd-gpios = <&expgpio 4 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";
+	};
+};
--- /dev/null
+++ b/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
@@ -0,0 +1,36 @@
+/ {
+	aliases {
+		ethernet0 = &ethernet;
+	};
+};
+
+&usb {
+	usb1@1 {
+		compatible = "usb424,2514";
+		reg = <1>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		usb1_1@1 {
+			compatible = "usb424,2514";
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			ethernet: usbether@1 {
+				compatible = "usb424,7800";
+				reg = <1>;
+				microchip,eee-enabled;
+				microchip,tx-lpi-timer = <600>; /* non-aggressive*/
+			};
+		};
+	};
+};
+
+
+/ {
+	__overrides__ {
+		eee = <&ethernet>,"microchip,eee-enabled?";
+		tx_lpi_timer = <&ethernet>,"microchip,tx-lpi-timer:0";
+	};
+};
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -89,6 +89,10 @@ Params:
         audio                   Set to "on" to enable the onboard ALSA audio
                                 interface (default "off")
 
+        eee                     Enable Energy Efficient Ethernet support for
+                                compatible devices (default "on"). See also
+                                "tx_lpi_timer".
+
         i2c_arm                 Set to "on" to enable the ARM's i2c interface
                                 (default "off")
 
@@ -125,6 +129,10 @@ Params:
 
         sd_debug                Enable debug output from SD driver (default off)
 
+        tx_lpi_timer            Set the delay in microseconds between going idle
+                                and entering the low power state (default 600).
+                                Requires EEE to be enabled - see "eee".
+
         uart0                   Set to "off" to disable uart0 (default "on")
 
         uart1                   Set to "on" or "off" to enable or disable uart1