Eric Lee / smarc-uboot

Blame view

arch/arm/dts/bcm2835-rpi-b-rev2.dts 1.9 KB
edit raw normal view history
d41ce506b   Eric Lee   Initial Release, ... 
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
 
  /dts-v1/;
  #include "bcm2835.dtsi"
  #include "bcm2835-rpi.dtsi"
  #include "bcm283x-rpi-smsc9512.dtsi"
  #include "bcm283x-rpi-usb-host.dtsi"
  
  / {
  	compatible = "raspberrypi,model-b-rev2", "brcm,bcm2835";
  	model = "Raspberry Pi Model B rev2";
  
  	leds {
  		act {
  			gpios = <&gpio 16 1>;
  		};
  	};
  };
  
  &gpio {
  	/*
  	 * Taken from Raspberry-Pi-Rev-2.0-Model-AB-Schematics.pdf
  	 * RPI00022 sheet 02
  	 *
  	 * Legend:
  	 * "NC" = not connected (no rail from the SoC)
  	 * "FOO" = GPIO line named "FOO" on the schematic
  	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
  	 */
  	gpio-line-names = "SDA0",
  			  "SCL0",
  			  "SDA1",
  			  "SCL1",
  			  "GPIO_GCLK",
  			  "CAM_CLK",
  			  "LAN_RUN",
  			  "SPI_CE1_N",
  			  "SPI_CE0_N",
  			  "SPI_MISO",
  			  "SPI_MOSI",
  			  "SPI_SCLK",
  			  "NC", /* GPIO12 */
  			  "NC", /* GPIO13 */
  			  /* Serial port */
  			  "TXD0",
  			  "RXD0",
  			  "STATUS_LED_N",
  			  "GPIO17",
  			  "GPIO18",
  			  "NC", /* GPIO19 */
  			  "NC", /* GPIO20 */
  			  "CAM_GPIO",
  			  "GPIO22",
  			  "GPIO23",
  			  "GPIO24",
  			  "GPIO25",
  			  "NC", /* GPIO26 */
  			  "GPIO27",
  			  "GPIO28",
  			  "GPIO29",
  			  "GPIO30",
  			  "GPIO31",
  			  "NC", /* GPIO32 */
  			  "NC", /* GPIO33 */
  			  "NC", /* GPIO34 */
  			  "NC", /* GPIO35 */
  			  "NC", /* GPIO36 */
  			  "NC", /* GPIO37 */
  			  "NC", /* GPIO38 */
  			  "NC", /* GPIO39 */
  			  "PWM0_OUT",
  			  "NC", /* GPIO41 */
  			  "NC", /* GPIO42 */
  			  "NC", /* GPIO43 */
  			  "NC", /* GPIO44 */
  			  "PWM1_OUT",
  			  "HDMI_HPD_P",
  			  "SD_CARD_DET",
  			  /* Used by SD Card */
  			  "SD_CLK_R",
  			  "SD_CMD_R",
  			  "SD_DATA0_R",
  			  "SD_DATA1_R",
  			  "SD_DATA2_R",
  			  "SD_DATA3_R";
  
  	pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
  
  	/* I2S interface */
  	i2s_alt2: i2s_alt2 {
  		brcm,pins = <28 29 30 31>;
  		brcm,function = <BCM2835_FSEL_ALT2>;
  	};
  };
  
  &hdmi {
  	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
  };
  
  &uart0 {
  	pinctrl-names = "default";
  	pinctrl-0 = <&uart0_gpio14>;
  	status = "okay";
  };