1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3#include "bcm2835.dtsi"
4#include "bcm2835-rpi.dtsi"
5#include "bcm283x-rpi-usb-host.dtsi"
6
7/ {
8	compatible = "raspberrypi,model-a", "brcm,bcm2835";
9	model = "Raspberry Pi Model A";
10
11	memory@0 {
12		device_type = "memory";
13		reg = <0 0x10000000>;
14	};
15
16	leds {
17		act {
18			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
19		};
20	};
21};
22
23&gpio {
24	/*
25	 * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
26	 * RPI00021 sheet 02
27	 *
28	 * Legend:
29	 * "NC" = not connected (no rail from the SoC)
30	 * "FOO" = GPIO line named "FOO" on the schematic
31	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
32	 */
33	gpio-line-names = "SDA0",
34			  "SCL0",
35			  "SDA1",
36			  "SCL1",
37			  "GPIO_GCLK",
38			  "CAM_GPIO1",
39			  "LAN_RUN",
40			  "SPI_CE1_N",
41			  "SPI_CE0_N",
42			  "SPI_MISO",
43			  "SPI_MOSI",
44			  "SPI_SCLK",
45			  "NC", /* GPIO12 */
46			  "NC", /* GPIO13 */
47			  /* Serial port */
48			  "TXD0",
49			  "RXD0",
50			  "STATUS_LED_N",
51			  "GPIO17",
52			  "GPIO18",
53			  "NC", /* GPIO19 */
54			  "NC", /* GPIO20 */
55			  "GPIO21",
56			  "GPIO22",
57			  "GPIO23",
58			  "GPIO24",
59			  "GPIO25",
60			  "NC", /* GPIO26 */
61			  "CAM_GPIO0",
62			  /* Binary number representing build/revision */
63			  "CONFIG0",
64			  "CONFIG1",
65			  "CONFIG2",
66			  "CONFIG3",
67			  "NC", /* GPIO32 */
68			  "NC", /* GPIO33 */
69			  "NC", /* GPIO34 */
70			  "NC", /* GPIO35 */
71			  "NC", /* GPIO36 */
72			  "NC", /* GPIO37 */
73			  "NC", /* GPIO38 */
74			  "NC", /* GPIO39 */
75			  "PWM0_OUT",
76			  "NC", /* GPIO41 */
77			  "NC", /* GPIO42 */
78			  "NC", /* GPIO43 */
79			  "NC", /* GPIO44 */
80			  "PWM1_OUT",
81			  "HDMI_HPD_P",
82			  "SD_CARD_DET",
83			  /* Used by SD Card */
84			  "SD_CLK_R",
85			  "SD_CMD_R",
86			  "SD_DATA0_R",
87			  "SD_DATA1_R",
88			  "SD_DATA2_R",
89			  "SD_DATA3_R";
90
91	pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
92
93	/* I2S interface */
94	i2s_alt2: i2s_alt2 {
95		brcm,pins = <28 29 30 31>;
96		brcm,function = <BCM2835_FSEL_ALT2>;
97	};
98};
99
100&hdmi {
101	hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
102	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
103	status = "okay";
104};
105
106&pwm {
107	pinctrl-names = "default";
108	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
109	status = "okay";
110};
111
112&sdhost {
113	pinctrl-names = "default";
114	pinctrl-0 = <&sdhost_gpio48>;
115	bus-width = <4>;
116	status = "okay";
117};
118
119&uart0 {
120	pinctrl-names = "default";
121	pinctrl-0 = <&uart0_gpio14>;
122	status = "okay";
123};
124