1ROCKCHIP with MAX98357A/RT5514/DA7219 codecs on GRU boards 2 3Required properties: 4- compatible: "rockchip,rk3399-gru-sound" 5- rockchip,cpu: The phandle of the Rockchip I2S controller that's 6 connected to the codecs 7- rockchip,codec: The phandle of the MAX98357A/RT5514/DA7219 codecs 8 9Example: 10 11sound { 12 compatible = "rockchip,rk3399-gru-sound"; 13 rockchip,cpu = <&i2s0>; 14 rockchip,codec = <&max98357a &rt5514 &da7219>; 15}; 16