arch/arm/boot/dts/overlays/dacberry400-overlay.dts

   1 // Definitions for DACberry400
   2 /dts-v1/;
   3 /plugin/;
   4 / {
   5         compatible = "brcm,bcm2835";
   6
   7         fragment@0 {
   8                 target = <&i2s>;
   9                 __overlay__ {
  10                         status = "okay";
  11                 };
  12         };
  13
  14         fragment@1 {
  15                 target-path = "/";
  16                 __overlay__ {
  17                         codec_1v8_reg: codec-1v8-reg {
  18                         compatible = "regulator-fixed";
  19                         regulator-name = "tlv320aic3104_1v8";
  20                         regulator-min-microvolt = <1800000>;
  21                         regulator-max-microvolt = <1800000>;
  22                         regulator-always-on;
  23                         };
  24                 };
  25         };
  26
  27         fragment@2 {
  28                 target = <&gpio>;
  29                 __overlay__ {
  30                         codec_rst: codec-rst {
  31                                 brcm,pins = <26>;
  32                                 brcm,function = <1>;
  33                         };
  34                 };
  35         };
  36
  37         fragment@3 {
  38                 target = <&i2c1>;
  39                 __overlay__ {
  40                         #address-cells = <1>;
  41                         #size-cells = <0>;
  42                         status = "okay";
  43
  44                         tlv320aic3104@18 {
  45                                 #sound-dai-cells = <0>;
  46                                 reg = <0x18>;
  47
  48                                 compatible = "ti,tlv320aic3x";
  49                                 AVDD-supply = <&vdd_3v3_reg>;
  50                                 DRVDD-supply = <&vdd_3v3_reg>;
  51                                 DVDD-supply = <&codec_1v8_reg>;
  52                                 IOVDD-supply = <&codec_1v8_reg>;
  53
  54                                 gpio-controller;
  55                                 reset-gpios = <&gpio 26 1>;
  56                                 status = "okay";
  57                         };
  58                 };
  59         };
  60
  61         fragment@4 {
  62                 target = <&sound>;
  63                 __overlay__ {
  64                         compatible = "osaelectronics,dacberry400";
  65                         i2s-controller = <&i2s>;
  66                         status = "okay";
  67                 };
  68         };
  69 };
  70
  71