From: zhengxing <[email protected]> Add documentation to the machine driver of the device-tree bindings for the soundcard of the Rockchip board.
Signed-off-by: zhengxing <[email protected]> --- .../sound/rockchip,rockchip-audio-machine.txt | 38 ++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip,rockchip-audio-machine.txt diff --git a/Documentation/devicetree/bindings/sound/rockchip,rockchip-audio-machine.txt b/Documentation/devicetree/bindings/sound/rockchip,rockchip-audio-machine.txt new file mode 100644 index 0000000..36864fd --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,rockchip-audio-machine.txt @@ -0,0 +1,38 @@ +ROCKCHIP rk3288 audio complex, with AUDIO CODEC + +Required properties: +- (machine) compatible : "rockchip,rockchip-audio-machine" +- (codec) compatible : The child node name of compatible. +- 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 audio codec. +- rockchip,headset-codec : The phandle of the jack detection ic. + +Optional properties: +- rockchip,hp-det-gpios : The GPIO that detect headphones are plugged in +- rockchip,mic-det-gpios : The GPIO that detect microphones are plugged in + +Example: + +sound { + compatible = "rockchip,rockchip-audio-machine"; + + /* child node */ + sound_rtl { + compatible = "rockchip,rockchip-audio-rt5645"; + rockchip,model = "I2S-RT5650"; + rockchip,i2s-controller = <&i2s>; + rockchip,audio-codec = <&rt5645>; + }; + + /* child node */ + sound_maxim { + compatible = "rockchip,rockchip-audio-max98090"; + rockchip,model = "ROCKCHIP-I2S"; + rockchip,i2s-controller = <&i2s>; + rockchip,audio-codec = <&max98090>; + rockchip,headset-codec = <&headsetcodec>; + }; +}; \ No newline at end of file -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
