disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/Documentation/devicetree/bindings/sound/rockchip-max98090.txt
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@@ -5,11 +5,16 @@
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 - rockchip,model: The user-visible name of this sound complex
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 - rockchip,i2s-controller: The phandle of the Rockchip I2S controller that's
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   connected to the CODEC
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-- rockchip,audio-codec: The phandle of the MAX98090 audio codec
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-- rockchip,headset-codec: The phandle of Ext chip for jack detection
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+
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+Optional properties:
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+- rockchip,audio-codec: The phandle of the MAX98090 audio codec.
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+- rockchip,headset-codec: The phandle of Ext chip for jack detection. This is
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+                          required if there is rockchip,audio-codec.
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+- rockchip,hdmi-codec: The phandle of HDMI device for HDMI codec.
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 Example:
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+/* For max98090-only board. */
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 sound {
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 	compatible = "rockchip,rockchip-audio-max98090";
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 	rockchip,model = "ROCKCHIP-I2S";
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@@ -17,3 +22,21 @@
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 	rockchip,audio-codec = <&max98090>;
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 	rockchip,headset-codec = <&headsetcodec>;
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 };
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+
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+/* For HDMI-only board. */
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+sound {
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+	compatible = "rockchip,rockchip-audio-max98090";
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+	rockchip,model = "ROCKCHIP-I2S";
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+	rockchip,i2s-controller = <&i2s>;
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+	rockchip,hdmi-codec = <&hdmi>;
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+};
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+
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+/* For max98090 plus HDMI board. */
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+sound {
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+	compatible = "rockchip,rockchip-audio-max98090";
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+	rockchip,model = "ROCKCHIP-I2S";
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+	rockchip,i2s-controller = <&i2s>;
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+	rockchip,audio-codec = <&max98090>;
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+	rockchip,headset-codec = <&headsetcodec>;
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+	rockchip,hdmi-codec = <&hdmi>;
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+};