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		led-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	 * "FOO" = GPIO line named "FOO" on the schematic
30	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
31	 */
32	gpio-line-names = "SDA0",
33			  "SCL0",
34			  "SDA1",
35			  "SCL1",
36			  "GPIO_GCLK",
37			  "CAM_GPIO1",
38			  "LAN_RUN",
39			  "SPI_CE1_N",
40			  "SPI_CE0_N",
41			  "SPI_MISO",
42			  "SPI_MOSI",
43			  "SPI_SCLK",
44			  "", /* GPIO12 */
45			  "", /* GPIO13 */
46			  /* Serial port */
47			  "TXD0",
48			  "RXD0",
49			  "STATUS_LED_N",
50			  "GPIO17",
51			  "GPIO18",
52			  "", /* GPIO19 */
53			  "", /* GPIO20 */
54			  "GPIO21",
55			  "GPIO22",
56			  "GPIO23",
57			  "GPIO24",
58			  "GPIO25",
59			  "", /* GPIO26 */
60			  "CAM_GPIO0",
61			  /* Binary number representing build/revision */
62			  "CONFIG0",
63			  "CONFIG1",
64			  "CONFIG2",
65			  "CONFIG3",
66			  "", /* GPIO32 */
67			  "", /* GPIO33 */
68			  "", /* GPIO34 */
69			  "", /* GPIO35 */
70			  "", /* GPIO36 */
71			  "", /* GPIO37 */
72			  "", /* GPIO38 */
73			  "", /* GPIO39 */
74			  "PWM0_OUT",
75			  "", /* GPIO41 */
76			  "", /* GPIO42 */
77			  "", /* GPIO43 */
78			  "", /* GPIO44 */
79			  "PWM1_OUT",
80			  "HDMI_HPD_P",
81			  "SD_CARD_DET",
82			  /* Used by SD Card */
83			  "SD_CLK_R",
84			  "SD_CMD_R",
85			  "SD_DATA0_R",
86			  "SD_DATA1_R",
87			  "SD_DATA2_R",
88			  "SD_DATA3_R";
89
90	pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
91
92	/* I2S interface */
93	i2s_alt2: i2s_alt2 {
94		brcm,pins = <28 29 30 31>;
95		brcm,function = <BCM2835_FSEL_ALT2>;
96	};
97};
98
99&hdmi {
100	hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
101	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
102	status = "okay";
103};
104
105&pwm {
106	pinctrl-names = "default";
107	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
108	status = "okay";
109};
110
111&sdhost {
112	pinctrl-names = "default";
113	pinctrl-0 = <&sdhost_gpio48>;
114	bus-width = <4>;
115	status = "okay";
116};
117
118&uart0 {
119	pinctrl-names = "default";
120	pinctrl-0 = <&uart0_gpio14>;
121	status = "okay";
122};
123