path: root/target/linux/bcm27xx/patches-4.19/950-0437-BCM270X_DT-Rename-Pi-Zero-W-DT-files.patch

From 9542646d9211ab4305beb75da97f61cc1968ae6c Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 28 May 2019 16:36:04 +0100
Subject: [PATCH] BCM270X_DT: Rename Pi Zero W DT files

The downtream Pi Zero W dts file uses the digit 0, whereas upstream
chose to spell it out - "zero-w". The firmware has, for a long time,
looked for bcm2708-rpi-zero-w.dtb first before falling back to the
numerical version. Therefore it is better to follow upstream and
make the switch to "bcm2708-rpi-zero-w".

At the same time, remove some overrides that duplicate values
inherited from the shared .dtsi files.

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
 arch/arm/boot/dts/Makefile                                   | 2 +-
 .../boot/dts/{bcm2708-rpi-0-w.dts => bcm2708-rpi-zero-w.dts} | 5 -----
 2 files changed, 1 insertion(+), 6 deletions(-)
 rename arch/arm/boot/dts/{bcm2708-rpi-0-w.dts => bcm2708-rpi-zero-w.dts} (97%)

--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -4,7 +4,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
 	bcm2708-rpi-b.dtb \
 	bcm2708-rpi-b-plus.dtb \
 	bcm2708-rpi-cm.dtb \
-	bcm2708-rpi-0-w.dtb \
+	bcm2708-rpi-zero-w.dtb \
 	bcm2709-rpi-2-b.dtb \
 	bcm2710-rpi-3-b.dtb \
 	bcm2710-rpi-3-b-plus.dtb \
--- a/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
+++ /dev/null
@@ -1,167 +0,0 @@
-/dts-v1/;
-
-#include "bcm2708.dtsi"
-#include "bcm283x-rpi-csi1-2lane.dtsi"
-
-/ {
-	compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
-	model = "Raspberry Pi Zero W";
-
-	chosen {
-		bootargs = "coherent_pool=1M 8250.nr_uarts=1";
-	};
-
-	aliases {
-		serial0 = &uart1;
-		serial1 = &uart0;
-		mmc1 = &mmcnr;
-	};
-};
-
-&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>; /* none */
-	};
-
-	uart0_pins: uart0_pins {
-		brcm,pins = <30 31 32 33>;
-		brcm,function = <7>; /* alt3=UART0 */
-		brcm,pull = <2 0 0 2>; /* up none none up */
-	};
-
-	uart1_pins: uart1_pins {
-		brcm,pins;
-		brcm,function;
-		brcm,pull;
-	};
-
-	audio_pins: audio_pins {
-		brcm,pins = <>;
-		brcm,function = <>;
-	};
-};
-
-&mmcnr {
-	pinctrl-names = "default";
-	pinctrl-0 = <&sdio_pins>;
-	bus-width = <4>;
-	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 {
-	#sound-dai-cells = <0>;
-	pinctrl-names = "default";
-	pinctrl-0 = <&i2s_pins>;
-};
-
-&random {
-	status = "okay";
-};
-
-&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";
-	};
-};
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2708-rpi-zero-w.dts
@@ -0,0 +1,162 @@
+/dts-v1/;
+
+#include "bcm2708.dtsi"
+#include "bcm283x-rpi-csi1-2lane.dtsi"
+
+/ {
+	compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
+	model = "Raspberry Pi Zero W";
+
+	chosen {
+		bootargs = "coherent_pool=1M 8250.nr_uarts=1";
+	};
+
+	aliases {
+		serial0 = &uart1;
+		serial1 = &uart0;
+		mmc1 = &mmcnr;
+	};
+};
+
+&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>; /* none */
+	};
+
+	uart0_pins: uart0_pins {
+		brcm,pins = <30 31 32 33>;
+		brcm,function = <7>; /* alt3=UART0 */
+		brcm,pull = <2 0 0 2>; /* up none none up */
+	};
+
+	uart1_pins: uart1_pins {
+		brcm,pins;
+		brcm,function;
+		brcm,pull;
+	};
+
+	audio_pins: audio_pins {
+		brcm,pins = <>;
+		brcm,function = <>;
+	};
+};
+
+&mmcnr {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdio_pins>;
+	bus-width = <4>;
+	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 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";
+	};
+};