arch/riscv/boot/dts/starfive/codecs/sf_spdif.dtsi

   1 &sound4 {
   2         simple-audio-card,dai-link@0 {
   3                 reg = <0>;
   4                 format = "left_j";
   5                 bitclock-master = <&sndcpu0>;
   6                 frame-master = <&sndcpu0>;
   7                 status = "okay";
   8
   9                 sndcpu0: cpu {
  10                         sound-dai = <&spdif0>;
  11                 };
  12
  13                 codec {
  14                         sound-dai = <&spdif_transmitter>;
  15                 };
  16         };
  17 };