OpenWrt – Rev 1
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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 = ðernet;
+ };
+};
+
+&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 = <ðernet>,"microchip,eee-enabled?";
+ tx_lpi_timer = <ðernet>,"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