1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
4 */
5
6/dts-v1/;
7#include "bcm2835.dtsi"
8#include "bcm2835-rpi.dtsi"
9#include "bcm283x-rpi-usb-otg.dtsi"
10#include "bcm283x-rpi-wifi-bt.dtsi"
11
12/ {
13	compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
14	model = "Raspberry Pi Zero W";
15
16	memory@0 {
17		device_type = "memory";
18		reg = <0 0x20000000>;
19	};
20
21	chosen {
22		/* 8250 auxiliary UART instead of pl011 */
23		stdout-path = "serial1:115200n8";
24	};
25
26	leds {
27		led-act {
28			gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
29		};
30	};
31};
32
33&bt {
34	shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
35};
36
37&gpio {
38	/*
39	 * This is based on the official GPU firmware DT blob.
40	 *
41	 * Legend:
42	 * "FOO" = GPIO line named "FOO" on the schematic
43	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
44	 */
45	gpio-line-names = "ID_SDA",
46			  "ID_SCL",
47			  "SDA1",
48			  "SCL1",
49			  "GPIO_GCLK",
50			  "GPIO5",
51			  "GPIO6",
52			  "SPI_CE1_N",
53			  "SPI_CE0_N",
54			  "SPI_MISO",
55			  "SPI_MOSI",
56			  "SPI_SCLK",
57			  "GPIO12",
58			  "GPIO13",
59			  /* Serial port */
60			  "TXD0",
61			  "RXD0",
62			  "GPIO16",
63			  "GPIO17",
64			  "GPIO18",
65			  "GPIO19",
66			  "GPIO20",
67			  "GPIO21",
68			  "GPIO22",
69			  "GPIO23",
70			  "GPIO24",
71			  "GPIO25",
72			  "GPIO26",
73			  "GPIO27",
74			  "SDA0",
75			  "SCL0",
76			  /* Used by BT module */
77			  "CTS0",
78			  "RTS0",
79			  "TXD0",
80			  "RXD0",
81			  /* Used by Wifi */
82			  "SD1_CLK",
83			  "SD1_CMD",
84			  "SD1_DATA0",
85			  "SD1_DATA1",
86			  "SD1_DATA2",
87			  "SD1_DATA3",
88			  "CAM_GPIO1", /* GPIO40 */
89			  "WL_ON", /* GPIO41 */
90			  "", /* GPIO42 */
91			  "WIFI_CLK", /* GPIO43 */
92			  "CAM_GPIO0", /* GPIO44 */
93			  "BT_ON", /* GPIO45 */
94			  "HDMI_HPD_N",
95			  "STATUS_LED_N",
96			  /* Used by SD Card */
97			  "SD_CLK_R",
98			  "SD_CMD_R",
99			  "SD_DATA0_R",
100			  "SD_DATA1_R",
101			  "SD_DATA2_R",
102			  "SD_DATA3_R";
103
104	pinctrl-0 = <&gpioout &alt0>;
105};
106
107&hdmi {
108	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
109	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
110	status = "okay";
111};
112
113&sdhci {
114	pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
115};
116
117&sdhost {
118	pinctrl-names = "default";
119	pinctrl-0 = <&sdhost_gpio48>;
120	bus-width = <4>;
121	status = "okay";
122};
123
124&uart0 {
125	pinctrl-names = "default";
126	pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
127};
128
129&uart1 {
130	pinctrl-names = "default";
131	pinctrl-0 = <&uart1_gpio14>;
132	status = "okay";
133};
134
135&wifi_pwrseq {
136	reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
137};
138