23 lines · plain
1ROCKCHIP with MAX98357A/RT5514/DA7219 codecs on GRU boards2 3Required properties:4- compatible: "rockchip,rk3399-gru-sound"5- rockchip,cpu: The phandle of the Rockchip I2S controller that's6 connected to the codecs7- rockchip,codec: The phandle of the audio codecs8 9Optional properties:10- dmic-wakeup-delay-ms : specify delay time (ms) for DMIC ready.11 If this option is specified, which means it's required dmic need12 delay for DMIC to ready so that rt5514 can avoid recording before13 DMIC send valid data14 15Example:16 17sound {18 compatible = "rockchip,rk3399-gru-sound";19 rockchip,cpu = <&i2s0>;20 rockchip,codec = <&max98357a &rt5514 &da7219>;21 dmic-wakeup-delay-ms = <20>;22};23