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72 lines
1.8 KiB
Plaintext
72 lines
1.8 KiB
Plaintext
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NVIDIA Tegra audio complex
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Required properties:
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- compatible : "nvidia,tegra-audio-wm8903"
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- nvidia,model : The user-visible name of this sound complex.
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- nvidia,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 WM8903's pins, and the jacks on the board:
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WM8903 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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* DMICDAT
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* HPOUTL
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* HPOUTR
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* LINEOUTL
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* LINEOUTR
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* LOP
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* LON
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* ROP
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* RON
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* MICBIAS
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Board connectors:
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* Headphone Jack
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* Int Spk
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* Mic Jack
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- nvidia,i2s-controller : The phandle of the Tegra I2S1 controller
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- nvidia,audio-codec : The phandle of the WM8903 audio codec
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Optional properties:
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- nvidia,spkr-en-gpios : The GPIO that enables the speakers
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- nvidia,hp-mute-gpios : The GPIO that mutes the headphones
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- nvidia,hp-det-gpios : The GPIO that detect headphones are plugged in
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- nvidia,int-mic-en-gpios : The GPIO that enables the internal microphone
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- nvidia,ext-mic-en-gpios : The GPIO that enables the external microphone
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Example:
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sound {
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compatible = "nvidia,tegra-audio-wm8903-harmony",
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"nvidia,tegra-audio-wm8903"
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nvidia,model = "tegra-wm8903-harmony";
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nvidia,audio-routing =
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"Headphone Jack", "HPOUTR",
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"Headphone Jack", "HPOUTL",
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"Int Spk", "ROP",
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"Int Spk", "RON",
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"Int Spk", "LOP",
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"Int Spk", "LON",
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"Mic Jack", "MICBIAS",
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"IN1L", "Mic Jack";
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nvidia,i2s-controller = <&i2s1>;
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nvidia,audio-codec = <&wm8903>;
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nvidia,spkr-en-gpios = <&codec 2 0>;
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nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
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nvidia,int-mic-en-gpios = <&gpio 184 0>; /*gpio PX0 */
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nvidia,ext-mic-en-gpios = <&gpio 185 0>; /* gpio PX1 */
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};
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