1// SPDX-License-Identifier: GPL-2.0
  2/dts-v1/;
  3#include "bcm2836.dtsi"
  4#include "bcm2836-rpi.dtsi"
  5#include "bcm283x-rpi-led-deprecated.dtsi"
  6#include "bcm283x-rpi-smsc9514.dtsi"
  7#include "bcm283x-rpi-usb-host.dtsi"
  8
  9/ {
 10	compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
 11	model = "Raspberry Pi 2 Model B";
 12
 13	memory@0 {
 14		device_type = "memory";
 15		reg = <0 0x40000000>;
 16	};
 17};
 18
 19&gpio {
 20	/*
 21	 * Taken from rpi_SCH_2b_1p2_reduced.pdf and
 22	 * the official GPU firmware DT blob.
 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 = "ID_SDA",
 29			  "ID_SCL",
 30			  "SDA1",
 31			  "SCL1",
 32			  "GPIO_GCLK",
 33			  "GPIO5",
 34			  "GPIO6",
 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			  "GPIO16",
 46			  "GPIO17",
 47			  "GPIO18",
 48			  "GPIO19",
 49			  "GPIO20",
 50			  "GPIO21",
 51			  "GPIO22",
 52			  "GPIO23",
 53			  "GPIO24",
 54			  "GPIO25",
 55			  "GPIO26",
 56			  "GPIO27",
 57			  "SDA0",
 58			  "SCL0",
 59			  "", /* GPIO30 */
 60			  "LAN_RUN",
 61			  "CAM_GPIO1",
 62			  "", /* GPIO33 */
 63			  "", /* GPIO34 */
 64			  "PWR_LOW_N",
 65			  "", /* GPIO36 */
 66			  "", /* GPIO37 */
 67			  "USB_LIMIT",
 68			  "", /* GPIO39 */
 69			  "PWM0_OUT",
 70			  "CAM_GPIO0",
 71			  "SMPS_SCL",
 72			  "SMPS_SDA",
 73			  "ETH_CLK",
 74			  "PWM1_OUT",
 75			  "HDMI_HPD_N",
 76			  "STATUS_LED",
 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_alt0>;
 86
 87	/* I2S interface */
 88	i2s_alt0: i2s_alt0 {
 89		brcm,pins = <18 19 20 21>;
 90		brcm,function = <BCM2835_FSEL_ALT0>;
 91	};
 92};
 93
 94&hdmi {
 95	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
 96	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
 97	status = "okay";
 98};
 99
100&led_act {
101	gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
102};
103
104&leds {
105	led-pwr {
106		label = "PWR";
107		gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
108		default-state = "keep";
109		linux,default-trigger = "default-on";
110	};
111};
112
113&pwm {
114	pinctrl-names = "default";
115	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
116	status = "okay";
117};
118
119&sdhost {
120	pinctrl-names = "default";
121	pinctrl-0 = <&sdhost_gpio48>;
122	bus-width = <4>;
123	status = "okay";
124};
125
126&uart0 {
127	pinctrl-names = "default";
128	pinctrl-0 = <&uart0_gpio14>;
129	status = "okay";
130};