52f19b14ec
Add wm8904 based audio machine driver for Atmel EK board The following ek board based on it - at91sam9n12ek - sama5d3xek (d31, d33, d34, d35) Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Mark Brown <broonie@linaro.org>
56 lines
1.3 KiB
Plaintext
56 lines
1.3 KiB
Plaintext
Atmel ASoC driver with wm8904 audio codec complex
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Required properties:
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- compatible: "atmel,asoc-wm8904"
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- atmel,model: The user-visible name of this sound complex.
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- atmel,audio-routing: A list of the connections between audio components.
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Each entry is a pair of strings, the first being the connection's sink,
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the second being the connection's source. Valid names for sources and
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sinks are the WM8904's pins, and the jacks on the board:
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WM8904 pins:
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* IN1L
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* IN1R
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* IN2L
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* IN2R
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* IN3L
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* IN3R
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* HPOUTL
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* HPOUTR
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* LINEOUTL
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* LINEOUTR
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* MICBIAS
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Board connectors:
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* Headphone Jack
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* Line In Jack
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* Mic
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- atmel,ssc-controller: The phandle of the SSC controller
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- atmel,audio-codec: The phandle of the WM8904 audio codec
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Optional properties:
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- pinctrl-names, pinctrl-0: Please refer to pinctrl-bindings.txt
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Example:
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sound {
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compatible = "atmel,asoc-wm8904";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_pck0_as_mck>;
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atmel,model = "wm8904 @ AT91SAM9N12EK";
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atmel,audio-routing =
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"Headphone Jack", "HPOUTL",
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"Headphone Jack", "HPOUTR",
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"IN2L", "Line In Jack",
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"IN2R", "Line In Jack",
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"Mic", "MICBIAS",
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"IN1L", "Mic";
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atmel,ssc-controller = <&ssc0>;
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atmel,audio-codec = <&wm8904>;
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};
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