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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3 #include "bcm2835.dtsi"
   4 #include "bcm2835-rpi.dtsi"
   5 #include "bcm283x-rpi-smsc9512.dtsi"
   6 #include "bcm283x-rpi-usb-host.dtsi"
   7
   8 / {
   9         compatible = "raspberrypi,model-b", "brcm,bcm2835";
  10         model = "Raspberry Pi Model B";
  11
  12         memory@0 {
  13                 device_type = "memory";
  14                 reg = <0 0x10000000>;
  15         };
  16
  17         leds {
  18                 led-act {
  19                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  20                 };
  21         };
  22 };
  23
  24 &gpio {
  25         /*
  26          * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
  27          * RPI00021 sheet 02
  28          *
  29          * Legend:
  30          * "FOO" = GPIO line named "FOO" on the schematic
  31          * "FOO_N" = GPIO line named "FOO" on schematic, active low
  32          */
  33         gpio-line-names = "SDA0",
  34                           "SCL0",
  35                           "SDA1",
  36                           "SCL1",
  37                           "GPIO_GCLK",
  38                           "CAM_GPIO1",
  39                           "LAN_RUN",
  40                           "SPI_CE1_N",
  41                           "SPI_CE0_N",
  42                           "SPI_MISO",
  43                           "SPI_MOSI",
  44                           "SPI_SCLK",
  45                           "", /* GPIO12 */
  46                           "", /* GPIO13 */
  47                           /* Serial port */
  48                           "TXD0",
  49                           "RXD0",
  50                           "STATUS_LED_N",
  51                           "GPIO17",
  52                           "GPIO18",
  53                           "", /* GPIO19 */
  54                           "", /* GPIO20 */
  55                           "CAM_GPIO0",
  56                           "GPIO22",
  57                           "GPIO23",
  58                           "GPIO24",
  59                           "GPIO25",
  60                           "", /* GPIO26 */
  61                           "GPIO27",
  62                           "GPIO28",
  63                           "GPIO29",
  64                           "GPIO30",
  65                           "GPIO31",
  66                           "", /* GPIO32 */
  67                           "", /* GPIO33 */
  68                           "", /* GPIO34 */
  69                           "", /* GPIO35 */
  70                           "", /* GPIO36 */
  71                           "", /* GPIO37 */
  72                           "", /* GPIO38 */
  73                           "", /* GPIO39 */
  74                           "PWM0_OUT",
  75                           "", /* GPIO41 */
  76                           "", /* GPIO42 */
  77                           "", /* GPIO43 */
  78                           "", /* GPIO44 */
  79                           "PWM1_OUT",
  80                           "HDMI_HPD_P",
  81                           "SD_CARD_DET",
  82                           /* Used by SD Card */
  83                           "SD_CLK_R",
  84                           "SD_CMD_R",
  85                           "SD_DATA0_R",
  86                           "SD_DATA1_R",
  87                           "SD_DATA2_R",
  88                           "SD_DATA3_R";
  89
  90         pinctrl-0 = <&gpioout &alt0>;
  91 };
  92
  93 &hdmi {
  94         hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
  95         power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
  96         status = "okay";
  97 };
  98
  99 &pwm {
 100         pinctrl-names = "default";
 101         pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
 102         status = "okay";
 103 };
 104
 105 &sdhost {
 106         pinctrl-names = "default";
 107         pinctrl-0 = <&sdhost_gpio48>;
 108         bus-width = <4>;
 109         status = "okay";
 110 };
 111
 112 &uart0 {
 113         pinctrl-names = "default";
 114         pinctrl-0 = <&uart0_gpio14>;
 115         status = "okay";
 116 };