arch/arm/boot/dts/overlays/allo-boss2-dac-audio-overlay.dts

   1 /* * Definitions for Allo Boss2 DAC boards
   2  */
   3
   4 /dts-v1/;
   5 /plugin/;
   6
   7 / {
   8         compatible = "brcm,bcm2835";
   9
  10         fragment@0 {
  11                 target = <&i2s>;
  12                 __overlay__ {
  13                         #sound-dai-cells = <0>;
  14                         status = "okay";
  15                         cpu_port: port {
  16                                 cpu_endpoint: endpoint {
  17                                         remote-endpoint = <&codec_endpoint>;
  18                                         bitclock-master = <&codec_endpoint>;
  19                                         frame-master = <&codec_endpoint>;
  20                                         dai-format = "i2s";
  21                                 };
  22                         };
  23                 };
  24         };
  25
  26         fragment@1 {
  27                 target = <&i2c1>;
  28                 __overlay__ {
  29                         #address-cells = <1>;
  30                         #size-cells = <0>;
  31                         status = "okay";
  32                         allo-cs43130@30 {
  33                                 #sound-dai-cells = <0>;
  34                                 compatible = "allo,allo-cs43198";
  35                                 clock44-gpio = <&gpio 5 0>;
  36                                 clock48-gpio = <&gpio 6 0>;
  37                                 reg = <0x30>;
  38                                 port {
  39                                         codec_endpoint: endpoint {
  40                                         remote-endpoint = <&cpu_endpoint>;
  41                                         };
  42                                 };
  43                         };
  44                 };
  45         };
  46
  47         fragment@2 {
  48                 target = <&sound>;
  49                 boss2_dac: __overlay__ {
  50                         compatible = "audio-graph-card";
  51                         label = "Allo Boss2";
  52                         dais = <&cpu_port>;
  53                         status = "okay";
  54                 };
  55         };
  56 };
  57