1// SPDX-License-Identifier: GPL-2.0
  2/dts-v1/;
  3#include "bcm2836.dtsi"
  4#include "bcm2836-rpi.dtsi"
  5#include "bcm283x-rpi-smsc9514.dtsi"
  6#include "bcm283x-rpi-usb-host.dtsi"
  7
  8/ {
  9	compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
 10	model = "Raspberry Pi 2 Model B";
 11
 12	memory@0 {
 13		device_type = "memory";
 14		reg = <0 0x40000000>;
 15	};
 16
 17	leds {
 18		act {
 19			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
 20		};
 21
 22		pwr {
 23			label = "PWR";
 24			gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
 25			default-state = "keep";
 26			linux,default-trigger = "default-on";
 27		};
 28	};
 29};
 30
 31&gpio {
 32	/*
 33	 * Taken from rpi_SCH_2b_1p2_reduced.pdf and
 34	 * the official GPU firmware DT blob.
 35	 *
 36	 * Legend:
 37	 * "NC" = not connected (no rail from the SoC)
 38	 * "FOO" = GPIO line named "FOO" on the schematic
 39	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
 40	 */
 41	gpio-line-names = "ID_SDA",
 42			  "ID_SCL",
 43			  "SDA1",
 44			  "SCL1",
 45			  "GPIO_GCLK",
 46			  "GPIO5",
 47			  "GPIO6",
 48			  "SPI_CE1_N",
 49			  "SPI_CE0_N",
 50			  "SPI_MISO",
 51			  "SPI_MOSI",
 52			  "SPI_SCLK",
 53			  "GPIO12",
 54			  "GPIO13",
 55			  /* Serial port */
 56			  "TXD0",
 57			  "RXD0",
 58			  "GPIO16",
 59			  "GPIO17",
 60			  "GPIO18",
 61			  "GPIO19",
 62			  "GPIO20",
 63			  "GPIO21",
 64			  "GPIO22",
 65			  "GPIO23",
 66			  "GPIO24",
 67			  "GPIO25",
 68			  "GPIO26",
 69			  "GPIO27",
 70			  "SDA0",
 71			  "SCL0",
 72			  "", /* GPIO30 */
 73			  "LAN_RUN",
 74			  "CAM_GPIO1",
 75			  "", /* GPIO33 */
 76			  "", /* GPIO34 */
 77			  "PWR_LOW_N",
 78			  "", /* GPIO36 */
 79			  "", /* GPIO37 */
 80			  "USB_LIMIT",
 81			  "", /* GPIO39 */
 82			  "PWM0_OUT",
 83			  "CAM_GPIO0",
 84			  "SMPS_SCL",
 85			  "SMPS_SDA",
 86			  "ETHCLK",
 87			  "PWM1_OUT",
 88			  "HDMI_HPD_N",
 89			  "STATUS_LED",
 90			  /* Used by SD Card */
 91			  "SD_CLK_R",
 92			  "SD_CMD_R",
 93			  "SD_DATA0_R",
 94			  "SD_DATA1_R",
 95			  "SD_DATA2_R",
 96			  "SD_DATA3_R";
 97
 98	pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
 99
100	/* I2S interface */
101	i2s_alt0: i2s_alt0 {
102		brcm,pins = <18 19 20 21>;
103		brcm,function = <BCM2835_FSEL_ALT0>;
104	};
105};
106
107&hdmi {
108	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
109	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
110	status = "okay";
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};