1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3#include "bcm2835.dtsi"
4#include "bcm2835-rpi.dtsi"
5#include "bcm283x-rpi-smsc9514.dtsi"
6#include "bcm283x-rpi-usb-host.dtsi"
7
8/ {
9	compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
10	model = "Raspberry Pi Model B+";
11
12	leds {
13		act {
14			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
15		};
16
17		pwr {
18			label = "PWR";
19			gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
20			default-state = "keep";
21			linux,default-trigger = "default-on";
22		};
23	};
24};
25
26&gpio {
27	/*
28	 * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf
29	 * RPI-BPLUS sheet 1
30	 *
31	 * Legend:
32	 * "NC" = not connected (no rail from the SoC)
33	 * "FOO" = GPIO line named "FOO" on the schematic
34	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
35	 */
36	gpio-line-names = "ID_SDA",
37			  "ID_SCL",
38			  "SDA1",
39			  "SCL1",
40			  "GPIO_GCLK",
41			  "GPIO5",
42			  "GPIO6",
43			  "SPI_CE1_N",
44			  "SPI_CE0_N",
45			  "SPI_MISO",
46			  "SPI_MOSI",
47			  "SPI_SCLK",
48			  "GPIO12",
49			  "GPIO13",
50			  /* Serial port */
51			  "TXD0",
52			  "RXD0",
53			  "GPIO16",
54			  "GPIO17",
55			  "GPIO18",
56			  "GPIO19",
57			  "GPIO20",
58			  "GPIO21",
59			  "GPIO22",
60			  "GPIO23",
61			  "GPIO24",
62			  "GPIO25",
63			  "GPIO26",
64			  "GPIO27",
65			  "SDA0",
66			  "SCL0",
67			  "NC", /* GPIO30 */
68			  "LAN_RUN", /* GPIO31 */
69			  "CAM_GPIO1", /* GPIO32 */
70			  "NC", /* GPIO33 */
71			  "NC", /* GPIO34 */
72			  "PWR_LOW_N", /* GPIO35 */
73			  "NC", /* GPIO36 */
74			  "NC", /* GPIO37 */
75			  "USB_LIMIT", /* GPIO38 */
76			  "NC", /* GPIO39 */
77			  "PWM0_OUT", /* GPIO40 */
78			  "CAM_GPIO0", /* GPIO41 */
79			  "NC", /* GPIO42 */
80			  "NC", /* GPIO43 */
81			  "ETHCLK", /* GPIO44 */
82			  "PWM1_OUT", /* GPIO45 */
83			  "HDMI_HPD_N",
84			  "STATUS_LED",
85			  /* Used by SD Card */
86			  "SD_CLK_R",
87			  "SD_CMD_R",
88			  "SD_DATA0_R",
89			  "SD_DATA1_R",
90			  "SD_DATA2_R",
91			  "SD_DATA3_R";
92
93	pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
94
95	/* I2S interface */
96	i2s_alt0: i2s_alt0 {
97		brcm,pins = <18 19 20 21>;
98		brcm,function = <BCM2835_FSEL_ALT0>;
99	};
100};
101
102&hdmi {
103	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
104};
105
106&pwm {
107	pinctrl-names = "default";
108	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
109	status = "okay";
110};
111
112&uart0 {
113	pinctrl-names = "default";
114	pinctrl-0 = <&uart0_gpio14>;
115	status = "okay";
116};
117