162306a36Sopenharmony_ciROCKCHIP with MAX98357A/RT5514/DA7219 codecs on GRU boards 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciRequired properties: 462306a36Sopenharmony_ci- compatible: "rockchip,rk3399-gru-sound" 562306a36Sopenharmony_ci- rockchip,cpu: The phandle of the Rockchip I2S controller that's 662306a36Sopenharmony_ci connected to the codecs 762306a36Sopenharmony_ci- rockchip,codec: The phandle of the audio codecs 862306a36Sopenharmony_ci 962306a36Sopenharmony_ciOptional properties: 1062306a36Sopenharmony_ci- dmic-wakeup-delay-ms : specify delay time (ms) for DMIC ready. 1162306a36Sopenharmony_ci If this option is specified, which means it's required dmic need 1262306a36Sopenharmony_ci delay for DMIC to ready so that rt5514 can avoid recording before 1362306a36Sopenharmony_ci DMIC send valid data 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ciExample: 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cisound { 1862306a36Sopenharmony_ci compatible = "rockchip,rk3399-gru-sound"; 1962306a36Sopenharmony_ci rockchip,cpu = <&i2s0>; 2062306a36Sopenharmony_ci rockchip,codec = <&max98357a &rt5514 &da7219>; 2162306a36Sopenharmony_ci dmic-wakeup-delay-ms = <20>; 2262306a36Sopenharmony_ci}; 23