1// SPDX-License-Identifier: GPL-2.0
  2/dts-v1/;
  3#include "bcm2835.dtsi"
  4#include "bcm2835-rpi.dtsi"
  5#include "bcm2835-rpi-common.dtsi"
  6#include "bcm283x-rpi-led-deprecated.dtsi"
  7#include "bcm283x-rpi-usb-host.dtsi"
  8
  9/ {
 10	compatible = "raspberrypi,model-a", "brcm,bcm2835";
 11	model = "Raspberry Pi Model A";
 12
 13	memory@0 {
 14		device_type = "memory";
 15		reg = <0 0x10000000>;
 16	};
 17};
 18
 19&gpio {
 20	/*
 21	 * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
 22	 * RPI00021 sheet 02
 23	 *
 24	 * Legend:
 25	 * "FOO" = GPIO line named "FOO" on the schematic
 26	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
 27	 */
 28	gpio-line-names = "SDA0",
 29			  "SCL0",
 30			  "SDA1",
 31			  "SCL1",
 32			  "GPIO_GCLK",
 33			  "CAM_GPIO1",
 34			  "LAN_RUN",
 35			  "SPI_CE1_N",
 36			  "SPI_CE0_N",
 37			  "SPI_MISO",
 38			  "SPI_MOSI",
 39			  "SPI_SCLK",
 40			  "", /* GPIO12 */
 41			  "", /* GPIO13 */
 42			  /* Serial port */
 43			  "TXD0",
 44			  "RXD0",
 45			  "STATUS_LED_N",
 46			  "GPIO17",
 47			  "GPIO18",
 48			  "", /* GPIO19 */
 49			  "", /* GPIO20 */
 50			  "GPIO21",
 51			  "GPIO22",
 52			  "GPIO23",
 53			  "GPIO24",
 54			  "GPIO25",
 55			  "", /* GPIO26 */
 56			  "CAM_GPIO0",
 57			  /* Binary number representing build/revision */
 58			  "CONFIG0",
 59			  "CONFIG1",
 60			  "CONFIG2",
 61			  "CONFIG3",
 62			  "", /* GPIO32 */
 63			  "", /* GPIO33 */
 64			  "", /* GPIO34 */
 65			  "", /* GPIO35 */
 66			  "", /* GPIO36 */
 67			  "", /* GPIO37 */
 68			  "", /* GPIO38 */
 69			  "", /* GPIO39 */
 70			  "PWM0_OUT",
 71			  "", /* GPIO41 */
 72			  "", /* GPIO42 */
 73			  "", /* GPIO43 */
 74			  "", /* 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	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
 98	status = "okay";
 99};
100
101&led_act {
102	gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
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};