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		reg = <0 0x40000000>;
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	 * Taken from rpi_SCH_2b_1p2_reduced.pdf and
33	 * the official GPU firmware DT blob.
34	 *
35	 * Legend:
36	 * "NC" = not connected (no rail from the SoC)
37	 * "FOO" = GPIO line named "FOO" on the schematic
38	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
39	 */
40	gpio-line-names = "ID_SDA",
41			  "ID_SCL",
42			  "SDA1",
43			  "SCL1",
44			  "GPIO_GCLK",
45			  "GPIO5",
46			  "GPIO6",
47			  "SPI_CE1_N",
48			  "SPI_CE0_N",
49			  "SPI_MISO",
50			  "SPI_MOSI",
51			  "SPI_SCLK",
52			  "GPIO12",
53			  "GPIO13",
54			  /* Serial port */
55			  "TXD0",
56			  "RXD0",
57			  "GPIO16",
58			  "GPIO17",
59			  "GPIO18",
60			  "GPIO19",
61			  "GPIO20",
62			  "GPIO21",
63			  "GPIO22",
64			  "GPIO23",
65			  "GPIO24",
66			  "GPIO25",
67			  "GPIO26",
68			  "GPIO27",
69			  "SDA0",
70			  "SCL0",
71			  "", /* GPIO30 */
72			  "LAN_RUN",
73			  "CAM_GPIO1",
74			  "", /* GPIO33 */
75			  "", /* GPIO34 */
76			  "PWR_LOW_N",
77			  "", /* GPIO36 */
78			  "", /* GPIO37 */
79			  "USB_LIMIT",
80			  "", /* GPIO39 */
81			  "PWM0_OUT",
82			  "CAM_GPIO0",
83			  "SMPS_SCL",
84			  "SMPS_SDA",
85			  "ETHCLK",
86			  "PWM1_OUT",
87			  "HDMI_HPD_N",
88			  "STATUS_LED",
89			  /* Used by SD Card */
90			  "SD_CLK_R",
91			  "SD_CMD_R",
92			  "SD_DATA0_R",
93			  "SD_DATA1_R",
94			  "SD_DATA2_R",
95			  "SD_DATA3_R";
96
97	pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
98
99	/* I2S interface */
100	i2s_alt0: i2s_alt0 {
101		brcm,pins = <18 19 20 21>;
102		brcm,function = <BCM2835_FSEL_ALT0>;
103	};
104};
105
106&hdmi {
107	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
108};
109
110&pwm {
111	pinctrl-names = "default";
112	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
113	status = "okay";
114};
115
116&uart0 {
117	pinctrl-names = "default";
118	pinctrl-0 = <&uart0_gpio14>;
119	status = "okay";
120};
121