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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 9a44aac46a1e2550566507e4ce04e77c83e3036e / . / arch / arm / dts / bcm2835-rpi-a.dts
blob: 11edb581dbaf0b42e5cb8209dc1aa7b4fa6e6cb6 [file] [log] [blame]
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]1// SPDX-License-Identifier: GPL-2.0
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]2/dts-v1/;
3#include "bcm2835.dtsi"
4#include "bcm2835-rpi.dtsi"
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]5#include "bcm283x-rpi-usb-host.dtsi"
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]6
7/ {
8 compatible = "raspberrypi,model-a", "brcm,bcm2835";
9 model = "Raspberry Pi Model A";
10
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]11 memory@0 {
12 device_type = "memory";
13 reg = <0 0x10000000>;
14 };
15
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]16 leds {
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]17 led-act {
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]18 gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]19 };
20 };
21};
22
23&gpio {
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]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>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]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>;
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]102 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
103 status = "okay";
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]104};
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]105
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]106&pwm {
107 pinctrl-names = "default";
108 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
109 status = "okay";
110};
111
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]112&sdhost {
113 pinctrl-names = "default";
114 pinctrl-0 = <&sdhost_gpio48>;
115 bus-width = <4>;
116 status = "okay";
117};
118
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]119&uart0 {
120 pinctrl-names = "default";
121 pinctrl-0 = <&uart0_gpio14>;
122 status = "okay";
123};