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1ROCKCHIP RK3288 with HDMI and analog audio2 3Required properties:4- compatible: "rockchip,rk3288-hdmi-analog"5- rockchip,model: The user-visible name of this sound complex6- rockchip,i2s-controller: The phandle of the Rockchip I2S controller that's7 connected to the CODEC8- rockchip,audio-codec: The phandle of the analog audio codec.9- rockchip,routing: A list of the connections between audio components.10 Each entry is a pair of strings, the first being the11 connection's sink, the second being the connection's12 source. For this driver the first string should always be13 "Analog".14 15Optional properties:16- rockchip,hp-en-gpios = The phandle of the GPIO that power up/down the17 headphone (when the analog output is an headphone).18- rockchip,hp-det-gpios = The phandle of the GPIO that detects the headphone19 (when the analog output is an headphone).20- pinctrl-names, pinctrl-0: Please refer to pinctrl-bindings.txt21 22Example:23 24sound {25 compatible = "rockchip,rk3288-hdmi-analog";26 rockchip,model = "Analog audio output";27 rockchip,i2s-controller = <&i2s>;28 rockchip,audio-codec = <&es8388>;29 rockchip,routing = "Analog", "LOUT2",30 "Analog", "ROUT2";31 rockchip,hp-en-gpios = <&gpio8 0 GPIO_ACTIVE_HIGH>;32 rockchip,hp-det-gpios = <&gpio7 7 GPIO_ACTIVE_HIGH>;33 pinctrl-names = "default";34 pinctrl-0 = <&headphone>;35};36 37