1ROCKCHIP RK3288 with HDMI and analog audio 2 3Required properties: 4- compatible: "rockchip,rk3288-hdmi-analog" 5- rockchip,model: The user-visible name of this sound complex 6- rockchip,i2s-controller: The phandle of the Rockchip I2S controller that's 7 connected to the CODEC 8- 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 the 11 connection's sink, the second being the connection's 12 source. For this driver the first string should always be 13 "Analog". 14 15Optionnal properties: 16- rockchip,hp-en-gpios = The phandle of the GPIO that power up/down the 17 headphone (when the analog output is an headphone). 18- rockchip,hp-det-gpios = The phandle of the GPIO that detects the headphone 19 (when the analog output is an headphone). 20- pinctrl-names, pinctrl-0: Please refer to pinctrl-bindings.txt 21 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