ROCKCHIP Built-in HDMI and DP audio
Required properties:
- compatible: "rockchip,rk3399-hdmi-dp"
- rockchip,cpu: The phandle of the Rockchip I2S controller that's
connected to the CODEC
- rockchip,codec: The phandle of audio codecs, should contain HDMI
or DP, or both.
Example:
sound {
compatible = "rockchip,rk3399-hdmi-dp";
rockchip,cpu = <&i2s2>;
rockchip,codec = <&hdmi>, <&cdn_dp>;
};