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