arch/arm/boot/dts/bcm2837-rpi-3-b.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3 #include "bcm2837.dtsi"
   4 #include "bcm2835-rpi.dtsi"
   5 #include "bcm283x-rpi-smsc9514.dtsi"
   6 #include "bcm283x-rpi-usb-host.dtsi"
   7
   8 / {
   9         compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
  10         model = "Raspberry Pi 3 Model B";
  11
  12         chosen {
  13                 /* 8250 auxiliary UART instead of pl011 */
  14                 stdout-path = "serial1:115200n8";
  15         };
  16
  17         memory {
  18                 reg = <0 0x40000000>;
  19         };
  20
  21         leds {
  22                 act {
  23                         gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
  24                 };
  25         };
  26 };
  27
  28 &firmware {
  29         expgpio: gpio {
  30                 compatible = "raspberrypi,firmware-gpio";
  31                 gpio-controller;
  32                 #gpio-cells = <2>;
  33                 gpio-line-names = "BT_ON",
  34                                   "WL_ON",
  35                                   "STATUS_LED",
  36                                   "LAN_RUN",
  37                                   "HPD_N",
  38                                   "CAM_GPIO0",
  39                                   "CAM_GPIO1",
  40                                   "PWR_LOW_N";
  41                 status = "okay";
  42         };
  43 };
  44
  45 /* uart0 communicates with the BT module */
  46 &uart0 {
  47         pinctrl-names = "default";
  48         pinctrl-0 = <&uart0_gpio32 &gpclk2_gpio43>;
  49         status = "okay";
  50
  51         bluetooth {
  52                 compatible = "brcm,bcm43438-bt";
  53                 max-speed = <2000000>;
  54         };
  55 };
  56
  57 /* uart1 is mapped to the pin header */
  58 &uart1 {
  59         pinctrl-names = "default";
  60         pinctrl-0 = <&uart1_gpio14>;
  61         status = "okay";
  62 };
  63
  64 /* SDHCI is used to control the SDIO for wireless */
  65 &sdhci {
  66         pinctrl-names = "default";
  67         pinctrl-0 = <&emmc_gpio34>;
  68         status = "okay";
  69         bus-width = <4>;
  70         non-removable;
  71 };
  72
  73 /* SDHOST is used to drive the SD card */
  74 &sdhost {
  75         pinctrl-names = "default";
  76         pinctrl-0 = <&sdhost_gpio48>;
  77         status = "okay";
  78         bus-width = <4>;
  79 };