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-plus", "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		act {
 18			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
 19		};
 20
 21		pwr {
 22			label = "PWR";
 23			gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
 24			default-state = "keep";
 25			linux,default-trigger = "default-on";
 26		};
 27	};
 28};
 29
 30&gpio {
 31	/*
 32	 * This is based on the unreleased schematic for the Model A+.
 33	 *
 34	 * Legend:
 35	 * "NC" = not connected (no rail from the SoC)
 36	 * "FOO" = GPIO line named "FOO" on the schematic
 37	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
 38	 */
 39	gpio-line-names = "ID_SDA",
 40			  "ID_SCL",
 41			  "SDA1",
 42			  "SCL1",
 43			  "GPIO_GCLK",
 44			  "GPIO5",
 45			  "GPIO6",
 46			  "SPI_CE1_N",
 47			  "SPI_CE0_N",
 48			  "SPI_MISO",
 49			  "SPI_MOSI",
 50			  "SPI_SCLK",
 51			  "GPIO12",
 52			  "GPIO13",
 53			  /* Serial port */
 54			  "TXD0",
 55			  "RXD0",
 56			  "GPIO16",
 57			  "GPIO17",
 58			  "GPIO18",
 59			  "GPIO19",
 60			  "GPIO20",
 61			  "GPIO21",
 62			  "GPIO22",
 63			  "GPIO23",
 64			  "GPIO24",
 65			  "GPIO25",
 66			  "GPIO26",
 67			  "GPIO27",
 68			  "SDA0",
 69			  "SCL0",
 70			  "NC", /* GPIO30 */
 71			  "NC", /* GPIO31 */
 72			  "CAM_GPIO1", /* GPIO32 */
 73			  "NC", /* GPIO33 */
 74			  "NC", /* GPIO34 */
 75			  "PWR_LOW_N", /* GPIO35 */
 76			  "NC", /* GPIO36 */
 77			  "NC", /* GPIO37 */
 78			  "USB_LIMIT", /* GPIO38 */
 79			  "NC", /* GPIO39 */
 80			  "PWM0_OUT", /* GPIO40 */
 81			  "CAM_GPIO0", /* GPIO41 */
 82			  "NC", /* GPIO42 */
 83			  "NC", /* GPIO43 */
 84			  "NC", /* GPIO44 */
 85			  "PWM1_OUT", /* GPIO45 */
 86			  "HDMI_HPD_N",
 87			  "STATUS_LED",
 88			  /* Used by SD Card */
 89			  "SD_CLK_R",
 90			  "SD_CMD_R",
 91			  "SD_DATA0_R",
 92			  "SD_DATA1_R",
 93			  "SD_DATA2_R",
 94			  "SD_DATA3_R";
 95
 96	pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
 97
 98	/* I2S interface */
 99	i2s_alt0: i2s_alt0 {
100		brcm,pins = <18 19 20 21>;
101		brcm,function = <BCM2835_FSEL_ALT0>;
102	};
103};
104
105&hdmi {
106	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
107	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
108	status = "okay";
109};
110
111&pwm {
112	pinctrl-names = "default";
113	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
114	status = "okay";
115};
116
117&sdhost {
118	pinctrl-names = "default";
119	pinctrl-0 = <&sdhost_gpio48>;
120	bus-width = <4>;
121	status = "okay";
122};
123
124&uart0 {
125	pinctrl-names = "default";
126	pinctrl-0 = <&uart0_gpio14>;
127	status = "okay";
128};