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Documentation/devicetree/bindings/sound/rockchip,rk3288-hdmi-analog.txt
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ROCKCHIP RK3288 with HDMI and analog audio | ||
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Required properties: | ||
- compatible: "rockchip,rk3288-hdmi-analog" | ||
- rockchip,model: The user-visible name of this sound complex | ||
- rockchip,i2s-controller: The phandle of the Rockchip I2S controller that's | ||
connected to the CODEC | ||
- rockchip,audio-codec: The phandle of the analog audio codec. | ||
- rockchip,routing: A list of the connections between audio components. | ||
Each entry is a pair of strings, the first being the | ||
connection's sink, the second being the connection's | ||
source. For this driver the first string should always be | ||
"Analog". | ||
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Optionnal properties: | ||
- rockchip,hp-en-gpios = The phandle of the GPIO that power up/down the | ||
headphone (when the analog output is an headphone). | ||
- rockchip,hp-det-gpios = The phandle of the GPIO that detects the headphone | ||
(when the analog output is an headphone). | ||
- pinctrl-names, pinctrl-0: Please refer to pinctrl-bindings.txt | ||
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Example: | ||
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sound { | ||
compatible = "rockchip,rockchip-audio-es8388"; | ||
rockchip,model = "Analog audio output"; | ||
rockchip,i2s-controller = <&i2s>; | ||
rockchip,audio-codec = <&es8388>; | ||
rockchip,routing = "Analog", "LOUT2", | ||
"Analog", "ROUT2"; | ||
rockchip,hp-en-gpios = <&gpio8 0 GPIO_ACTIVE_HIGH>; | ||
rockchip,hp-det-gpios = <&gpio7 7 GPIO_ACTIVE_HIGH>; | ||
pinctrl-names = "default"; | ||
pinctrl-0 = <&headphone>; | ||
}; | ||
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