summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/broadcom/bcm2836-rpi-2-b.dts
blob: 79918033750e506f29a9e871ed8f36cd82a86421 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2836.dtsi"
#include "bcm2836-rpi.dtsi"
#include "bcm283x-rpi-led-deprecated.dtsi"
#include "bcm283x-rpi-smsc9514.dtsi"
#include "bcm283x-rpi-usb-host.dtsi"

/ {
	compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
	model = "Raspberry Pi 2 Model B";

	memory@0 {
		device_type = "memory";
		reg = <0 0x40000000>;
	};
};

&gpio {
	/*
	 * Taken from rpi_SCH_2b_1p2_reduced.pdf and
	 * the official GPU firmware DT blob.
	 *
	 * Legend:
	 * "FOO" = GPIO line named "FOO" on the schematic
	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
	 */
	gpio-line-names = "ID_SDA",
			  "ID_SCL",
			  "SDA1",
			  "SCL1",
			  "GPIO_GCLK",
			  "GPIO5",
			  "GPIO6",
			  "SPI_CE1_N",
			  "SPI_CE0_N",
			  "SPI_MISO",
			  "SPI_MOSI",
			  "SPI_SCLK",
			  "GPIO12",
			  "GPIO13",
			  /* Serial port */
			  "TXD0",
			  "RXD0",
			  "GPIO16",
			  "GPIO17",
			  "GPIO18",
			  "GPIO19",
			  "GPIO20",
			  "GPIO21",
			  "GPIO22",
			  "GPIO23",
			  "GPIO24",
			  "GPIO25",
			  "GPIO26",
			  "GPIO27",
			  "SDA0",
			  "SCL0",
			  "", /* GPIO30 */
			  "LAN_RUN",
			  "CAM_GPIO1",
			  "", /* GPIO33 */
			  "", /* GPIO34 */
			  "PWR_LOW_N",
			  "", /* GPIO36 */
			  "", /* GPIO37 */
			  "USB_LIMIT",
			  "", /* GPIO39 */
			  "PWM0_OUT",
			  "CAM_GPIO0",
			  "SMPS_SCL",
			  "SMPS_SDA",
			  "ETH_CLK",
			  "PWM1_OUT",
			  "HDMI_HPD_N",
			  "STATUS_LED",
			  /* Used by SD Card */
			  "SD_CLK_R",
			  "SD_CMD_R",
			  "SD_DATA0_R",
			  "SD_DATA1_R",
			  "SD_DATA2_R",
			  "SD_DATA3_R";

	pinctrl-names = "default";
	pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;

	/* I2S interface */
	i2s_alt0: i2s_alt0 {
		brcm,pins = <18 19 20 21>;
		brcm,function = <BCM2835_FSEL_ALT0>;
	};
};

&hdmi {
	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
	status = "okay";
};

&led_act {
	gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
};

&leds {
	led-pwr {
		label = "PWR";
		gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
		default-state = "keep";
		linux,default-trigger = "default-on";
	};
};

&pwm {
	pinctrl-names = "default";
	pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
	status = "okay";
};

&sdhost {
	pinctrl-names = "default";
	pinctrl-0 = <&sdhost_gpio48>;
	bus-width = <4>;
	status = "okay";
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_gpio14>;
	status = "okay";
};