1ROCKCHIP Built-in HDMI and external audio codec which use the same 2I2S interface(such as RK3368) 3Use simple-audio-card can be if only HDMI or codec ic 4 5Required properties: 6- compatible: "rockchip,rk3368-hdmi-analog" 7- rockchip,cpu: The phandle of the Rockchip I2S controller that's 8 connected to the CODEC 9- rockchip,codec: The phandle of audio codecs, should contain both 10 codec ic and HDMI 11 12Example: 13 14sound { 15 compatible = "rockchip,rk3368-hdmi-analog"; 16 rockchip,cpu = <&i2s_8ch>; 17 rockchip,codec = <&es8316>, <&hdmi>; 18 rockchip,widgets = "Microphone", "Mic Jack", 19 "Headphone", "Headphone Jack"; 20 rockchip,routing = "Mic Jack", "micbias", 21 "Headphone Jack", "HPOL", 22 "Headphone Jack", "HPOR"; 23}; 24 25