1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3#include "bcm2835.dtsi"
4#include "bcm2835-rpi.dtsi"
5#include "bcm283x-rpi-smsc9512.dtsi"
6#include "bcm283x-rpi-usb-host.dtsi"
7
8/ {
9	compatible = "raspberrypi,model-b-rev2", "brcm,bcm2835";
10	model = "Raspberry Pi Model B rev2";
11
12	leds {
13		act {
14			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
15		};
16	};
17};
18
19&gpio {
20	/*
21	 * Taken from Raspberry-Pi-Rev-2.0-Model-AB-Schematics.pdf
22	 * RPI00022 sheet 02
23	 *
24	 * Legend:
25	 * "NC" = not connected (no rail from the SoC)
26	 * "FOO" = GPIO line named "FOO" on the schematic
27	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
28	 */
29	gpio-line-names = "SDA0",
30			  "SCL0",
31			  "SDA1",
32			  "SCL1",
33			  "GPIO_GCLK",
34			  "CAM_CLK",
35			  "LAN_RUN",
36			  "SPI_CE1_N",
37			  "SPI_CE0_N",
38			  "SPI_MISO",
39			  "SPI_MOSI",
40			  "SPI_SCLK",
41			  "NC", /* GPIO12 */
42			  "NC", /* GPIO13 */
43			  /* Serial port */
44			  "TXD0",
45			  "RXD0",
46			  "STATUS_LED_N",
47			  "GPIO17",
48			  "GPIO18",
49			  "NC", /* GPIO19 */
50			  "NC", /* GPIO20 */
51			  "CAM_GPIO",
52			  "GPIO22",
53			  "GPIO23",
54			  "GPIO24",
55			  "GPIO25",
56			  "NC", /* GPIO26 */
57			  "GPIO27",
58			  "GPIO28",
59			  "GPIO29",
60			  "GPIO30",
61			  "GPIO31",
62			  "NC", /* GPIO32 */
63			  "NC", /* GPIO33 */
64			  "NC", /* GPIO34 */
65			  "NC", /* GPIO35 */
66			  "NC", /* GPIO36 */
67			  "NC", /* GPIO37 */
68			  "NC", /* GPIO38 */
69			  "NC", /* GPIO39 */
70			  "PWM0_OUT",
71			  "NC", /* GPIO41 */
72			  "NC", /* GPIO42 */
73			  "NC", /* GPIO43 */
74			  "NC", /* GPIO44 */
75			  "PWM1_OUT",
76			  "HDMI_HPD_P",
77			  "SD_CARD_DET",
78			  /* Used by SD Card */
79			  "SD_CLK_R",
80			  "SD_CMD_R",
81			  "SD_DATA0_R",
82			  "SD_DATA1_R",
83			  "SD_DATA2_R",
84			  "SD_DATA3_R";
85
86	pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
87
88	/* I2S interface */
89	i2s_alt2: i2s_alt2 {
90		brcm,pins = <28 29 30 31>;
91		brcm,function = <BCM2835_FSEL_ALT2>;
92	};
93};
94
95&hdmi {
96	hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
97};
98
99&pwm {
100	pinctrl-names = "default";
101	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
102	status = "okay";
103};
104
105&uart0 {
106	pinctrl-names = "default";
107	pinctrl-0 = <&uart0_gpio14>;
108	status = "okay";
109};
110