arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts

   1 // Definitions for HiFiBerry DAC+
   2 /dts-v1/;
   3 /plugin/;
   4
   5 / {
   6         compatible = "brcm,bcm2835";
   7
   8         fragment@0 {
   9                 target-path = "/clocks";
  10                 __overlay__ {
  11                         dacpro_osc: dacpro_osc {
  12                                 compatible = "hifiberry,dacpro-clk";
  13                                 #clock-cells = <0>;
  14                         };
  15                 };
  16         };
  17
  18         fragment@1 {
  19                 target = <&i2s>;
  20                 __overlay__ {
  21                         status = "okay";
  22                 };
  23         };
  24
  25         fragment@2 {
  26                 target = <&i2c1>;
  27                 __overlay__ {
  28                         #address-cells = <1>;
  29                         #size-cells = <0>;
  30                         status = "okay";
  31
  32                         pcm5122@4d {
  33                                 #sound-dai-cells = <0>;
  34                                 compatible = "ti,pcm5122";
  35                                 reg = <0x4d>;
  36                                 clocks = <&dacpro_osc>;
  37                                 AVDD-supply = <&vdd_3v3_reg>;
  38                                 DVDD-supply = <&vdd_3v3_reg>;
  39                                 CPVDD-supply = <&vdd_3v3_reg>;
  40                                 status = "okay";
  41                         };
  42                 };
  43         };
  44
  45         fragment@3 {
  46                 target = <&sound>;
  47                 hifiberry_dacplus: __overlay__ {
  48                         compatible = "hifiberry,hifiberry-dacplus";
  49                         i2s-controller = <&i2s>;
  50                         status = "okay";
  51                 };
  52         };
  53
  54         __overrides__ {
  55                 24db_digital_gain =
  56                         <&hifiberry_dacplus>,"hifiberry,24db_digital_gain?";
  57                 slave = <&hifiberry_dacplus>,"hifiberry-dacplus,slave?";
  58         };
  59 };