1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2016 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
11/ {
12	compatible = "raspberrypi,model-zero", "brcm,bcm2835";
13	model = "Raspberry Pi Zero";
14
15	leds {
16		act {
17			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
18		};
19	};
20};
21
22&gpio {
23	/*
24	 * This is based on the official GPU firmware DT blob.
25	 *
26	 * Legend:
27	 * "NC" = not connected (no rail from the SoC)
28	 * "FOO" = GPIO line named "FOO" on the schematic
29	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
30	 */
31	gpio-line-names = "ID_SDA",
32			  "ID_SCL",
33			  "SDA1",
34			  "SCL1",
35			  "GPIO_GCLK",
36			  "GPIO5",
37			  "GPIO6",
38			  "SPI_CE1_N",
39			  "SPI_CE0_N",
40			  "SPI_MISO",
41			  "SPI_MOSI",
42			  "SPI_SCLK",
43			  "GPIO12",
44			  "GPIO13",
45			  /* Serial port */
46			  "TXD0",
47			  "RXD0",
48			  "GPIO16",
49			  "GPIO17",
50			  "GPIO18",
51			  "GPIO19",
52			  "GPIO20",
53			  "GPIO21",
54			  "GPIO22",
55			  "GPIO23",
56			  "GPIO24",
57			  "GPIO25",
58			  "GPIO26",
59			  "GPIO27",
60			  "SDA0",
61			  "SCL0",
62			  "NC", /* GPIO30 */
63			  "NC", /* GPIO31 */
64			  "CAM_GPIO1", /* GPIO32 */
65			  "NC", /* GPIO33 */
66			  "NC", /* GPIO34 */
67			  "NC", /* GPIO35 */
68			  "NC", /* GPIO36 */
69			  "NC", /* GPIO37 */
70			  "NC", /* GPIO38 */
71			  "NC", /* GPIO39 */
72			  "NC", /* GPIO40 */
73			  "CAM_GPIO0", /* GPIO41 */
74			  "NC", /* GPIO42 */
75			  "NC", /* GPIO43 */
76			  "NC", /* GPIO44 */
77			  "NC", /* GPIO45 */
78			  "HDMI_HPD_N",
79			  "STATUS_LED_N",
80			  /* Used by SD Card */
81			  "SD_CLK_R",
82			  "SD_CMD_R",
83			  "SD_DATA0_R",
84			  "SD_DATA1_R",
85			  "SD_DATA2_R",
86			  "SD_DATA3_R";
87
88	pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
89
90	/* I2S interface */
91	i2s_alt0: i2s_alt0 {
92		brcm,pins = <18 19 20 21>;
93		brcm,function = <BCM2835_FSEL_ALT0>;
94	};
95};
96
97&hdmi {
98	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
99};
100
101&uart0 {
102	pinctrl-names = "default";
103	pinctrl-0 = <&uart0_gpio14>;
104	status = "okay";
105};
106