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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt')
-rw-r--r-- | kernel/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt b/kernel/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt new file mode 100644 index 000000000..acea71bee --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt @@ -0,0 +1,53 @@ +Freescale i.MX audio complex with WM8962 codec + +Required properties: + + - compatible : "fsl,imx-audio-wm8962" + + - model : The user-visible name of this sound complex + + - ssi-controller : The phandle of the i.MX SSI controller + + - audio-codec : The phandle of the WM8962 audio codec + + - audio-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. Valid names could be power supplies, WM8962 + pins, and the jacks on the board: + + Power supplies: + * Mic Bias + + Board connectors: + * Mic Jack + * Headphone Jack + * Ext Spk + + - mux-int-port : The internal port of the i.MX audio muxer (AUDMUX) + + - mux-ext-port : The external port of the i.MX audio muxer + +Note: The AUDMUX port numbering should start at 1, which is consistent with +hardware manual. + +Example: + +sound { + compatible = "fsl,imx6q-sabresd-wm8962", + "fsl,imx-audio-wm8962"; + model = "wm8962-audio"; + ssi-controller = <&ssi2>; + audio-codec = <&codec>; + audio-routing = + "Headphone Jack", "HPOUTL", + "Headphone Jack", "HPOUTR", + "Ext Spk", "SPKOUTL", + "Ext Spk", "SPKOUTR", + "MICBIAS", "AMIC", + "IN3R", "MICBIAS", + "DMIC", "MICBIAS", + "DMICDAT", "DMIC"; + mux-int-port = <2>; + mux-ext-port = <3>; +}; |