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Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0515-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0515-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch148
1 files changed, 148 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0515-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch b/target/linux/brcm2708/patches-4.19/950-0515-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch
new file mode 100644
index 0000000000..54d61650ca
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0515-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch
@@ -0,0 +1,148 @@
+From 926eb05f48f4c805075aa535a444127de6de0dbb Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Tue, 28 May 2019 16:23:51 +0100
+Subject: [PATCH 515/703] BCM270X_DT: Create bcm2708-rpi-zero.dts
+
+The Pi Zero deserves a dedicated .dtb file - sharing the b-plus .dtb
+has been observed to cause an issue with the MAC address of some
+Ethernet dongles.
+
+See: https://github.com/raspberrypi/linux/issues/2990
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/Makefile | 1 +
+ arch/arm/boot/dts/bcm2708-rpi-zero.dts | 117 +++++++++++++++++++++++++
+ 2 files changed, 118 insertions(+)
+ create mode 100644 arch/arm/boot/dts/bcm2708-rpi-zero.dts
+
+--- a/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/Makefile
+@@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
+ bcm2708-rpi-b.dtb \
+ bcm2708-rpi-b-plus.dtb \
+ bcm2708-rpi-cm.dtb \
++ bcm2708-rpi-zero.dtb \
+ bcm2708-rpi-zero-w.dtb \
+ bcm2709-rpi-2-b.dtb \
+ bcm2710-rpi-3-b.dtb \
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2708-rpi-zero.dts
+@@ -0,0 +1,117 @@
++/dts-v1/;
++
++#include "bcm2708.dtsi"
++#include "bcm283x-rpi-csi1-2lane.dtsi"
++
++/ {
++ compatible = "raspberrypi,model-zero", "brcm,bcm2835";
++ model = "Raspberry Pi Zero";
++
++ chosen {
++ bootargs = "coherent_pool=1M";
++ };
++};
++
++&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 = <>;
++ brcm,function = <>;
++ };
++};
++
++&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>;
++ };
++};
++
++&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";
++ };
++};