- compatible: "rockchip,rk3399-gru-sound"
- rockchip,cpu: The phandle of the Rockchip I2S controller that's
connected to the codecs
-- rockchip,codec: The phandle of the MAX98357A/RT5514/DA7219 codecs
+- rockchip,codec: The phandle of the audio codecs
Optional properties:
- dmic-wakeup-delay-ms : specify delay time (ms) for DMIC ready.