summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
blob: dbf825985ec0b8e73c9f2c9d1e31f9d2dd13a57b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
 */

/dts-v1/;
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
#include "bcm2835-rpi-common.dtsi"
#include "bcm283x-rpi-led-deprecated.dtsi"
#include "bcm283x-rpi-usb-otg.dtsi"
#include "bcm283x-rpi-wifi-bt.dtsi"

/ {
	compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
	model = "Raspberry Pi Zero W";

	memory@0 {
		device_type = "memory";
		reg = <0 0x20000000>;
	};

	chosen {
		/* 8250 auxiliary UART instead of pl011 */
		stdout-path = "serial1:115200n8";
	};
};

&bt {
	shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
};

&gpio {
	/*
	 * This is based on the official GPU firmware DT blob.
	 *
	 * Legend:
	 * "FOO" = GPIO line named "FOO" on the schematic
	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
	 */
	gpio-line-names = "ID_SDA",
			  "ID_SCL",
			  "SDA1",
			  "SCL1",
			  "GPIO_GCLK",
			  "GPIO5",
			  "GPIO6",
			  "SPI_CE1_N",
			  "SPI_CE0_N",
			  "SPI_MISO",
			  "SPI_MOSI",
			  "SPI_SCLK",
			  "GPIO12",
			  "GPIO13",
			  /* Serial port */
			  "TXD0",
			  "RXD0",
			  "GPIO16",
			  "GPIO17",
			  "GPIO18",
			  "GPIO19",
			  "GPIO20",
			  "GPIO21",
			  "GPIO22",
			  "GPIO23",
			  "GPIO24",
			  "GPIO25",
			  "GPIO26",
			  "GPIO27",
			  "SDA0",
			  "SCL0",
			  /* Used by BT module */
			  "CTS0",
			  "RTS0",
			  "TXD0",
			  "RXD0",
			  /* Used by Wifi */
			  "SD1_CLK",
			  "SD1_CMD",
			  "SD1_DATA0",
			  "SD1_DATA1",
			  "SD1_DATA2",
			  "SD1_DATA3",
			  "CAM_GPIO1", /* GPIO40 */
			  "WL_ON", /* GPIO41 */
			  "", /* GPIO42 */
			  "WIFI_CLK", /* GPIO43 */
			  "CAM_GPIO0", /* GPIO44 */
			  "BT_ON", /* GPIO45 */
			  "HDMI_HPD_N",
			  "STATUS_LED_N",
			  /* Used by SD Card */
			  "SD_CLK_R",
			  "SD_CMD_R",
			  "SD_DATA0_R",
			  "SD_DATA1_R",
			  "SD_DATA2_R",
			  "SD_DATA3_R";

	pinctrl-0 = <&gpioout &alt0>;
};

&hdmi {
	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
	status = "okay";
};

&led_act {
	gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
};

&sdhci {
	pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
};

&sdhost {
	pinctrl-names = "default";
	pinctrl-0 = <&sdhost_gpio48>;
	bus-width = <4>;
	status = "okay";
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_gpio14>;
	status = "okay";
};

&wifi_pwrseq {
	reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
};