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8b52a8906b
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y - led1 can't be controlled on rpi-3 for linux 4.4, remove it. - Fix modules.mk typos. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
237 lines
5.0 KiB
Diff
237 lines
5.0 KiB
Diff
From 97425acaefeeb2bf4a704225b544cdd863bc5bc6 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 24 May 2016 16:30:05 +0100
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Subject: [PATCH] BCM270X_DT: Add bcm2708-rpi-0-w.dts
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Add DT support for the Pi Zero W. N.B. It will not be loaded
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automatically without a corresponding change to the firmware.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/bcm2708-rpi-0-w.dts | 200 ++++++++++++++++++++++++++++++++++
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2 files changed, 201 insertions(+)
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create mode 100644 arch/arm/boot/dts/bcm2708-rpi-0-w.dts
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diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
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index 14a491c..bd963ef 100644
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--- a/arch/arm/boot/dts/Makefile
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+++ b/arch/arm/boot/dts/Makefile
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@@ -2,6 +2,7 @@ ifeq ($(CONFIG_OF),y)
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dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b.dtb
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dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b-plus.dtb
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+dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-0-w.dtb
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dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-cm.dtb
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dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-cm.dtb
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dtb-$(CONFIG_ARCH_BCM2709) += bcm2709-rpi-2-b.dtb
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diff --git a/arch/arm/boot/dts/bcm2708-rpi-0-w.dts b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
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new file mode 100644
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index 0000000..9f7de60
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--- /dev/null
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+++ b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
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@@ -0,0 +1,200 @@
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+/dts-v1/;
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+
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+#include "bcm2708.dtsi"
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+
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+/ {
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+ compatible = "brcm,bcm2708";
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+ model = "Raspberry Pi Zero W";
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+};
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+
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+&gpio {
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+ sdhost_pins: sdhost_pins {
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+ brcm,pins = <48 49 50 51 52 53>;
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+ brcm,function = <4>; /* alt0 */
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+ };
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+
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+ spi0_pins: spi0_pins {
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+ brcm,pins = <9 10 11>;
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+ brcm,function = <4>; /* alt0 */
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+ };
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+
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+ spi0_cs_pins: spi0_cs_pins {
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+ brcm,pins = <8 7>;
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+ brcm,function = <1>; /* output */
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+ };
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+
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+ i2c0_pins: i2c0 {
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+ brcm,pins = <0 1>;
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+ brcm,function = <4>;
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+ };
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+
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+ i2c1_pins: i2c1 {
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+ brcm,pins = <2 3>;
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+ brcm,function = <4>;
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+ };
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+
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+ i2s_pins: i2s {
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+ brcm,pins = <18 19 20 21>;
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+ brcm,function = <4>; /* alt0 */
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+ };
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+
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+ sdio_pins: sdio_pins {
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+ brcm,pins = <34 35 36 37 38 39>;
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+ brcm,function = <7 7 7 7 7 7>; /* ALT3 = SD1 */
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+ brcm,pull = <0 2 2 2 2 2>;
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+ };
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+
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+ bt_pins: bt_pins {
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+ brcm,pins = <43>;
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+ brcm,function = <4>; /* alt0:GPCLK2 */
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+ brcm,pull = <0>; /* none */
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+ };
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+
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+ uart0_pins: uart0_pins {
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+ brcm,pins = <30 31 32 33>;
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+ brcm,function = <7>; /* alt3=UART0 */
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+ brcm,pull = <2 0 0 2>; /* up none none up */
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+ };
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+
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+ uart1_pins: uart1_pins {
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+ brcm,pins;
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+ brcm,function;
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+ brcm,pull;
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+ };
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+
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+ audio_pins: audio_pins {
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+ brcm,pins = <>;
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+ brcm,function = <>;
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+ };
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+};
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+
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+&sdhost {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdhost_pins>;
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+ bus-width = <4>;
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+ status = "okay";
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+};
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+
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+&mmc {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdio_pins>;
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+ non-removable;
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+ bus-width = <4>;
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+ status = "okay";
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+};
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+
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+&fb {
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+ status = "okay";
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+};
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+
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+&uart0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0_pins &bt_pins>;
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+ status = "okay";
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+};
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+
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+&uart1 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart1_pins>;
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+ status = "okay";
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+};
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+
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+&spi0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
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+ cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
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+
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+ spidev0: spidev@0{
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+ compatible = "spidev";
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+ reg = <0>; /* CE0 */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spi-max-frequency = <500000>;
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+ };
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+
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+ spidev1: spidev@1{
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+ compatible = "spidev";
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+ reg = <1>; /* CE1 */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spi-max-frequency = <500000>;
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+ };
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+};
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+
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+&i2c0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c0_pins>;
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+ clock-frequency = <100000>;
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+};
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+
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+&i2c1 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c1_pins>;
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+ clock-frequency = <100000>;
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+};
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+
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+&i2c2 {
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+ clock-frequency = <100000>;
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+};
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+
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+&i2s {
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+ #sound-dai-cells = <0>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2s_pins>;
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+};
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+
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+&random {
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+ status = "okay";
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+};
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+
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+&leds {
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+ act_led: act {
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+ label = "led0";
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+ linux,default-trigger = "mmc0";
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+ gpios = <&gpio 47 0>;
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+ };
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+};
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+
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+&hdmi {
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+ hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
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+};
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+
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+&audio {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&audio_pins>;
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+};
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+
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+/ {
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+ chosen {
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+ bootargs = "8250.nr_uarts=1";
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+ };
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+};
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+
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+/ {
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+ __overrides__ {
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+ uart0 = <&uart0>,"status";
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+ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
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+ uart1 = <&uart1>,"status";
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+ i2s = <&i2s>,"status";
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+ spi = <&spi0>,"status";
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+ i2c0 = <&i2c0>,"status";
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+ i2c1 = <&i2c1>,"status";
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+ i2c2_iknowwhatimdoing = <&i2c2>,"status";
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+ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
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+ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
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+ i2c2_baudrate = <&i2c2>,"clock-frequency:0";
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+ core_freq = <&clk_core>,"clock-frequency:0";
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+
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+ act_led_gpio = <&act_led>,"gpios:4";
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+ act_led_activelow = <&act_led>,"gpios:8";
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+ act_led_trigger = <&act_led>,"linux,default-trigger";
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+
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+ audio = <&audio>,"status";
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+ watchdog = <&watchdog>,"status";
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+ random = <&random>,"status";
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+ sd_overclock = <&sdhost>,"brcm,overclock-50:0";
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+ sd_force_pio = <&sdhost>,"brcm,force-pio?";
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+ sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
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+ sd_debug = <&sdhost>,"brcm,debug";
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+ };
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+};
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--
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2.1.4
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