arch/arm/dts/bcm2835-rpi-a.dts

   1 /dts-v1/;
   2 #include "bcm2835.dtsi"
   3 #include "bcm2835-rpi.dtsi"
   4 #include "bcm283x-rpi-usb-host.dtsi"
   5
   6 / {
   7         compatible = "raspberrypi,model-a", "brcm,bcm2835";
   8         model = "Raspberry Pi Model A";
   9
  10         leds {
  11                 act {
  12                         gpios = <&gpio 16 1>;
  13                 };
  14         };
  15 };
  16
  17 &gpio {
  18         /*
  19          * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
  20          * RPI00021 sheet 02
  21          *
  22          * Legend:
  23          * "NC" = not connected (no rail from the SoC)
  24          * "FOO" = GPIO line named "FOO" on the schematic
  25          * "FOO_N" = GPIO line named "FOO" on schematic, active low
  26          */
  27         gpio-line-names = "SDA0",
  28                           "SCL0",
  29                           "SDA1",
  30                           "SCL1",
  31                           "GPIO_GCLK",
  32                           "CAM_GPIO1",
  33                           "LAN_RUN",
  34                           "SPI_CE1_N",
  35                           "SPI_CE0_N",
  36                           "SPI_MISO",
  37                           "SPI_MOSI",
  38                           "SPI_SCLK",
  39                           "NC", /* GPIO12 */
  40                           "NC", /* GPIO13 */
  41                           /* Serial port */
  42                           "TXD0",
  43                           "RXD0",
  44                           "STATUS_LED_N",
  45                           "GPIO17",
  46                           "GPIO18",
  47                           "NC", /* GPIO19 */
  48                           "NC", /* GPIO20 */
  49                           "GPIO21",
  50                           "GPIO22",
  51                           "GPIO23",
  52                           "GPIO24",
  53                           "GPIO25",
  54                           "NC", /* GPIO26 */
  55                           "CAM_GPIO0",
  56                           /* Binary number representing build/revision */
  57                           "CONFIG0",
  58                           "CONFIG1",
  59                           "CONFIG2",
  60                           "CONFIG3",
  61                           "NC", /* GPIO32 */
  62                           "NC", /* GPIO33 */
  63                           "NC", /* GPIO34 */
  64                           "NC", /* GPIO35 */
  65                           "NC", /* GPIO36 */
  66                           "NC", /* GPIO37 */
  67                           "NC", /* GPIO38 */
  68                           "NC", /* GPIO39 */
  69                           "PWM0_OUT",
  70                           "NC", /* GPIO41 */
  71                           "NC", /* GPIO42 */
  72                           "NC", /* GPIO43 */
  73                           "NC", /* GPIO44 */
  74                           "PWM1_OUT",
  75                           "HDMI_HPD_P",
  76                           "SD_CARD_DET",
  77                           /* Used by SD Card */
  78                           "SD_CLK_R",
  79                           "SD_CMD_R",
  80                           "SD_DATA0_R",
  81                           "SD_DATA1_R",
  82                           "SD_DATA2_R",
  83                           "SD_DATA3_R";
  84
  85         pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
  86
  87         /* I2S interface */
  88         i2s_alt2: i2s_alt2 {
  89                 brcm,pins = <28 29 30 31>;
  90                 brcm,function = <BCM2835_FSEL_ALT2>;
  91         };
  92 };
  93
  94 &hdmi {
  95         hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
  96 };
  97
  98 &uart0 {
  99         pinctrl-names = "default";
 100         pinctrl-0 = <&uart0_gpio14>;
 101         status = "okay";
 102 };