18c2ecf20Sopenharmony_ciROCKCHIP with MAX98357A/RT5514/DA7219 codecs on GRU boards 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciRequired properties: 48c2ecf20Sopenharmony_ci- compatible: "rockchip,rk3399-gru-sound" 58c2ecf20Sopenharmony_ci- rockchip,cpu: The phandle of the Rockchip I2S controller that's 68c2ecf20Sopenharmony_ci connected to the codecs 78c2ecf20Sopenharmony_ci- rockchip,codec: The phandle of the audio codecs 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ciOptional properties: 108c2ecf20Sopenharmony_ci- dmic-wakeup-delay-ms : specify delay time (ms) for DMIC ready. 118c2ecf20Sopenharmony_ci If this option is specified, which means it's required dmic need 128c2ecf20Sopenharmony_ci delay for DMIC to ready so that rt5514 can avoid recording before 138c2ecf20Sopenharmony_ci DMIC send valid data 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ciExample: 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_cisound { 188c2ecf20Sopenharmony_ci compatible = "rockchip,rk3399-gru-sound"; 198c2ecf20Sopenharmony_ci rockchip,cpu = <&i2s0>; 208c2ecf20Sopenharmony_ci rockchip,codec = <&max98357a &rt5514 &da7219>; 218c2ecf20Sopenharmony_ci dmic-wakeup-delay-ms = <20>; 228c2ecf20Sopenharmony_ci}; 23