xref: /openbmc/u-boot/arch/arm/dts/bcm2835-rpi-a.dts (revision 20b9f2ea)
1/dts-v1/;
2#include "bcm2835.dtsi"
3#include "bcm2835-rpi.dtsi"
4#include "bcm283x-rpi-usb-host.dtsi"
5
6/ {
7	compatible = "raspberrypi,model-a", "brcm,bcm2835";
8	model = "Raspberry Pi Model A";
9
10	leds {
11		act {
12			gpios = <&gpio 16 1>;
13		};
14	};
15};
16
17&gpio {
18	/*
19	 * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
20	 * RPI00021 sheet 02
21	 *
22	 * Legend:
23	 * "NC" = not connected (no rail from the SoC)
24	 * "FOO" = GPIO line named "FOO" on the schematic
25	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
26	 */
27	gpio-line-names = "SDA0",
28			  "SCL0",
29			  "SDA1",
30			  "SCL1",
31			  "GPIO_GCLK",
32			  "CAM_GPIO1",
33			  "LAN_RUN",
34			  "SPI_CE1_N",
35			  "SPI_CE0_N",
36			  "SPI_MISO",
37			  "SPI_MOSI",
38			  "SPI_SCLK",
39			  "NC", /* GPIO12 */
40			  "NC", /* GPIO13 */
41			  /* Serial port */
42			  "TXD0",
43			  "RXD0",
44			  "STATUS_LED_N",
45			  "GPIO17",
46			  "GPIO18",
47			  "NC", /* GPIO19 */
48			  "NC", /* GPIO20 */
49			  "GPIO21",
50			  "GPIO22",
51			  "GPIO23",
52			  "GPIO24",
53			  "GPIO25",
54			  "NC", /* GPIO26 */
55			  "CAM_GPIO0",
56			  /* Binary number representing build/revision */
57			  "CONFIG0",
58			  "CONFIG1",
59			  "CONFIG2",
60			  "CONFIG3",
61			  "NC", /* GPIO32 */
62			  "NC", /* GPIO33 */
63			  "NC", /* GPIO34 */
64			  "NC", /* GPIO35 */
65			  "NC", /* GPIO36 */
66			  "NC", /* GPIO37 */
67			  "NC", /* GPIO38 */
68			  "NC", /* GPIO39 */
69			  "PWM0_OUT",
70			  "NC", /* GPIO41 */
71			  "NC", /* GPIO42 */
72			  "NC", /* GPIO43 */
73			  "NC", /* GPIO44 */
74			  "PWM1_OUT",
75			  "HDMI_HPD_P",
76			  "SD_CARD_DET",
77			  /* Used by SD Card */
78			  "SD_CLK_R",
79			  "SD_CMD_R",
80			  "SD_DATA0_R",
81			  "SD_DATA1_R",
82			  "SD_DATA2_R",
83			  "SD_DATA3_R";
84
85	pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
86
87	/* I2S interface */
88	i2s_alt2: i2s_alt2 {
89		brcm,pins = <28 29 30 31>;
90		brcm,function = <BCM2835_FSEL_ALT2>;
91	};
92};
93
94&hdmi {
95	hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
96};
97
98&uart0 {
99	pinctrl-names = "default";
100	pinctrl-0 = <&uart0_gpio14>;
101	status = "okay";
102};
103