arch/arm/dts/bcm2835-rpi-b-plus.dts

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