1 From 41620ad7f4b059be162f615a7be423df78406d29 Mon Sep 17 00:00:00 2001
2 From: Phil Elwell <phil@raspberrypi.org>
3 Date: Tue, 24 May 2016 16:30:05 +0100
4 Subject: [PATCH] BCM270X_DT: Add bcm2708-rpi-0-w.dts
6 Add DT support for the Pi Zero W. N.B. It will not be loaded
7 automatically without a corresponding change to the firmware.
9 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
11 arch/arm/boot/dts/Makefile | 1 +
12 arch/arm/boot/dts/bcm2708-rpi-0-w.dts | 197 ++++++++++++++++++++++++++++++++++
13 2 files changed, 198 insertions(+)
14 create mode 100644 arch/arm/boot/dts/bcm2708-rpi-0-w.dts
16 --- a/arch/arm/boot/dts/Makefile
17 +++ b/arch/arm/boot/dts/Makefile
18 @@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
20 bcm2708-rpi-b-plus.dtb \
22 + bcm2708-rpi-0-w.dtb \
27 +++ b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
31 +#include "bcm2708.dtsi"
34 + model = "Raspberry Pi Zero W";
38 + sdhost_pins: sdhost_pins {
39 + brcm,pins = <48 49 50 51 52 53>;
40 + brcm,function = <4>; /* alt0 */
43 + spi0_pins: spi0_pins {
44 + brcm,pins = <9 10 11>;
45 + brcm,function = <4>; /* alt0 */
48 + spi0_cs_pins: spi0_cs_pins {
50 + brcm,function = <1>; /* output */
55 + brcm,function = <4>;
60 + brcm,function = <4>;
64 + brcm,pins = <18 19 20 21>;
65 + brcm,function = <4>; /* alt0 */
68 + sdio_pins: sdio_pins {
69 + brcm,pins = <34 35 36 37 38 39>;
70 + brcm,function = <7>; /* ALT3 = SD1 */
71 + brcm,pull = <0 2 2 2 2 2>;
76 + brcm,function = <4>; /* alt0:GPCLK2 */
77 + brcm,pull = <0>; /* none */
80 + uart0_pins: uart0_pins {
81 + brcm,pins = <30 31 32 33>;
82 + brcm,function = <7>; /* alt3=UART0 */
83 + brcm,pull = <2 0 0 2>; /* up none none up */
86 + uart1_pins: uart1_pins {
92 + audio_pins: audio_pins {
99 + pinctrl-names = "default";
100 + pinctrl-0 = <&sdhost_pins>;
106 + pinctrl-names = "default";
107 + pinctrl-0 = <&sdio_pins>;
118 + pinctrl-names = "default";
119 + pinctrl-0 = <&uart0_pins &bt_pins>;
124 + pinctrl-names = "default";
125 + pinctrl-0 = <&uart1_pins>;
130 + pinctrl-names = "default";
131 + pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
132 + cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
135 + compatible = "spidev";
136 + reg = <0>; /* CE0 */
137 + #address-cells = <1>;
139 + spi-max-frequency = <500000>;
143 + compatible = "spidev";
144 + reg = <1>; /* CE1 */
145 + #address-cells = <1>;
147 + spi-max-frequency = <500000>;
152 + pinctrl-names = "default";
153 + pinctrl-0 = <&i2c0_pins>;
154 + clock-frequency = <100000>;
158 + pinctrl-names = "default";
159 + pinctrl-0 = <&i2c1_pins>;
160 + clock-frequency = <100000>;
164 + clock-frequency = <100000>;
168 + #sound-dai-cells = <0>;
169 + pinctrl-names = "default";
170 + pinctrl-0 = <&i2s_pins>;
180 + linux,default-trigger = "mmc0";
181 + gpios = <&gpio 47 0>;
186 + hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
190 + pinctrl-names = "default";
191 + pinctrl-0 = <&audio_pins>;
196 + bootargs = "8250.nr_uarts=1";
202 + uart0 = <&uart0>,"status";
203 + uart1 = <&uart1>,"status";
204 + i2s = <&i2s>,"status";
205 + spi = <&spi0>,"status";
206 + i2c0 = <&i2c0>,"status";
207 + i2c1 = <&i2c1>,"status";
208 + i2c2_iknowwhatimdoing = <&i2c2>,"status";
209 + i2c0_baudrate = <&i2c0>,"clock-frequency:0";
210 + i2c1_baudrate = <&i2c1>,"clock-frequency:0";
211 + i2c2_baudrate = <&i2c2>,"clock-frequency:0";
213 + act_led_gpio = <&act_led>,"gpios:4";
214 + act_led_activelow = <&act_led>,"gpios:8";
215 + act_led_trigger = <&act_led>,"linux,default-trigger";
217 + audio = <&audio>,"status";
218 + watchdog = <&watchdog>,"status";
219 + random = <&random>,"status";
220 + sd_overclock = <&sdhost>,"brcm,overclock-50:0";
221 + sd_force_pio = <&sdhost>,"brcm,force-pio?";
222 + sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
223 + sd_debug = <&sdhost>,"brcm,debug";