1c6eac8a3SXing ZhengROCKCHIP with MAX98357A/RT5514/DA7219 codecs on GRU boards 2c6eac8a3SXing Zheng 3c6eac8a3SXing ZhengRequired properties: 4c6eac8a3SXing Zheng- compatible: "rockchip,rk3399-gru-sound" 5c6eac8a3SXing Zheng- rockchip,cpu: The phandle of the Rockchip I2S controller that's 6c6eac8a3SXing Zheng connected to the codecs 7*aa71fba4SJeffy Chen- rockchip,codec: The phandle of the audio codecs 8c6eac8a3SXing Zheng 93a6f9dceSWonjoon LeeOptional properties: 103a6f9dceSWonjoon Lee- dmic-wakeup-delay-ms : specify delay time (ms) for DMIC ready. 113a6f9dceSWonjoon Lee If this option is specified, which means it's required dmic need 123a6f9dceSWonjoon Lee delay for DMIC to ready so that rt5514 can avoid recording before 133a6f9dceSWonjoon Lee DMIC send valid data 143a6f9dceSWonjoon Lee 15c6eac8a3SXing ZhengExample: 16c6eac8a3SXing Zheng 17c6eac8a3SXing Zhengsound { 18c6eac8a3SXing Zheng compatible = "rockchip,rk3399-gru-sound"; 19c6eac8a3SXing Zheng rockchip,cpu = <&i2s0>; 20c6eac8a3SXing Zheng rockchip,codec = <&max98357a &rt5514 &da7219>; 213a6f9dceSWonjoon Lee dmic-wakeup-delay-ms = <20>; 22c6eac8a3SXing Zheng}; 23