arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3 #include "bcm2837.dtsi"
   4 #include "bcm2836-rpi.dtsi"
   5
   6 / {
   7         memory@0 {
   8                 device_type = "memory";
   9                 reg = <0 0x40000000>;
  10         };
  11
  12         reg_3v3: fixed-regulator {
  13                 compatible = "regulator-fixed";
  14                 regulator-name = "3V3";
  15                 regulator-min-microvolt = <3300000>;
  16                 regulator-max-microvolt = <3300000>;
  17                 regulator-always-on;
  18         };
  19
  20         reg_1v8: fixed-regulator {
  21                 compatible = "regulator-fixed";
  22                 regulator-name = "1V8";
  23                 regulator-min-microvolt = <1800000>;
  24                 regulator-max-microvolt = <1800000>;
  25                 regulator-always-on;
  26         };
  27 };
  28
  29 &firmware {
  30         expgpio: gpio {
  31                 compatible = "raspberrypi,firmware-gpio";
  32                 gpio-controller;
  33                 #gpio-cells = <2>;
  34                 gpio-line-names = "HDMI_HPD_N",
  35                                   "EMMC_EN_N",
  36                                   "NC",
  37                                   "NC",
  38                                   "NC",
  39                                   "NC",
  40                                   "NC",
  41                                   "NC";
  42                 status = "okay";
  43         };
  44 };
  45
  46 &sdhost {
  47         pinctrl-names = "default";
  48         pinctrl-0 = <&sdhost_gpio48>;
  49         bus-width = <4>;
  50         vmmc-supply = <&reg_3v3>;
  51         vqmmc-supply = <&reg_1v8>;
  52         status = "okay";
  53 };