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         leds {
  13                 /*
  14                  * Since there is no upstream GPIO driver yet,
  15                  * remove the incomplete node.
  16                  */
  17                 /delete-node/ led-act;
  18         };
  19
  20         reg_3v3: fixed-regulator {
  21                 compatible = "regulator-fixed";
  22                 regulator-name = "3V3";
  23                 regulator-min-microvolt = <3300000>;
  24                 regulator-max-microvolt = <3300000>;
  25                 regulator-always-on;
  26         };
  27
  28         reg_1v8: fixed-regulator {
  29                 compatible = "regulator-fixed";
  30                 regulator-name = "1V8";
  31                 regulator-min-microvolt = <1800000>;
  32                 regulator-max-microvolt = <1800000>;
  33                 regulator-always-on;
  34         };
  35 };
  36
  37 &firmware {
  38         expgpio: gpio {
  39                 compatible = "raspberrypi,firmware-gpio";
  40                 gpio-controller;
  41                 #gpio-cells = <2>;
  42                 gpio-line-names = "HDMI_HPD_N",
  43                                   "EMMC_EN_N",
  44                                   "NC",
  45                                   "NC",
  46                                   "NC",
  47                                   "NC",
  48                                   "NC",
  49                                   "NC";
  50                 status = "okay";
  51         };
  52 };
  53
  54 &sdhost {
  55         pinctrl-names = "default";
  56         pinctrl-0 = <&sdhost_gpio48>;
  57         bus-width = <4>;
  58         vmmc-supply = <&reg_3v3>;
  59         vqmmc-supply = <&reg_1v8>;
  60         status = "okay";
  61 };