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-smsc9514.dtsi"
  8#include "bcm283x-rpi-usb-host.dtsi"
  9
 10/ {
 11	compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
 12	model = "Raspberry Pi Model B+";
 13
 14	memory@0 {
 15		device_type = "memory";
 16		reg = <0 0x20000000>;
 17	};
 18};
 19
 20&gpio {
 21	/*
 22	 * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf
 23	 * RPI-BPLUS sheet 1
 24	 *
 25	 * Legend:
 26	 * "FOO" = GPIO line named "FOO" on the schematic
 27	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
 28	 */
 29	gpio-line-names = "ID_SDA",
 30			  "ID_SCL",
 31			  "SDA1",
 32			  "SCL1",
 33			  "GPIO_GCLK",
 34			  "GPIO5",
 35			  "GPIO6",
 36			  "SPI_CE1_N",
 37			  "SPI_CE0_N",
 38			  "SPI_MISO",
 39			  "SPI_MOSI",
 40			  "SPI_SCLK",
 41			  "GPIO12",
 42			  "GPIO13",
 43			  /* Serial port */
 44			  "TXD0",
 45			  "RXD0",
 46			  "GPIO16",
 47			  "GPIO17",
 48			  "GPIO18",
 49			  "GPIO19",
 50			  "GPIO20",
 51			  "GPIO21",
 52			  "GPIO22",
 53			  "GPIO23",
 54			  "GPIO24",
 55			  "GPIO25",
 56			  "GPIO26",
 57			  "GPIO27",
 58			  "SDA0",
 59			  "SCL0",
 60			  "", /* GPIO30 */
 61			  "LAN_RUN", /* GPIO31 */
 62			  "CAM_GPIO1", /* GPIO32 */
 63			  "", /* GPIO33 */
 64			  "", /* GPIO34 */
 65			  "PWR_LOW_N", /* GPIO35 */
 66			  "", /* GPIO36 */
 67			  "", /* GPIO37 */
 68			  "USB_LIMIT", /* GPIO38 */
 69			  "", /* GPIO39 */
 70			  "PWM0_OUT", /* GPIO40 */
 71			  "CAM_GPIO0", /* GPIO41 */
 72			  "", /* GPIO42 */
 73			  "", /* GPIO43 */
 74			  "ETH_CLK", /* GPIO44 */
 75			  "PWM1_OUT", /* GPIO45 */
 76			  "HDMI_HPD_N",
 77			  "STATUS_LED",
 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-names = "default";
 87	pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
 88
 89	/* I2S interface */
 90	i2s_alt0: i2s_alt0 {
 91		brcm,pins = <18 19 20 21>;
 92		brcm,function = <BCM2835_FSEL_ALT0>;
 93	};
 94};
 95
 96&hdmi {
 97	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
 98	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
 99	status = "okay";
100};
101
102&led_act {
103	gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
104};
105
106&leds {
107	led-pwr {
108		label = "PWR";
109		gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
110		default-state = "keep";
111		linux,default-trigger = "default-on";
112	};
113};
114
115&pwm {
116	pinctrl-names = "default";
117	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
118	status = "okay";
119};
120
121&sdhost {
122	pinctrl-names = "default";
123	pinctrl-0 = <&sdhost_gpio48>;
124	bus-width = <4>;
125	status = "okay";
126};
127
128&uart0 {
129	pinctrl-names = "default";
130	pinctrl-0 = <&uart0_gpio14>;
131	status = "okay";
132};