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ASoC: max98090: add DT binding document for MAX98090 CODEC

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This binding mainly serves to document the list of input and output pins
that may be used in a sound card's audio routing table.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Stephen Warren 2013-12-04 15:19:26 -07:00 committed by Mark Brown
parent 6ce4eac1f6
commit 308a0f3f24
1 changed files with 43 additions and 0 deletions
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Documentation/devicetree/bindings/sound/max98090.txt Normal file
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MAX98090 audio CODEC
This device supports I2C only.
Required properties:
- compatible : "maxim,max98090".
- reg : The I2C address of the device.
- interrupts : The CODEC's interrupt output.
Pins on the device (for linking into audio routes):
* MIC1
* MIC2
* DMICL
* DMICR
* IN1
* IN2
* IN3
* IN4
* IN5
* IN6
* IN12
* IN34
* IN56
* HPL
* HPR
* SPKL
* SPKR
* RCVL
* RCVR
* MICBIAS
Example:
audio-codec@10 {
compatible = "maxim,max98090";
reg = <0x10>;
interrupt-parent = <&gpio>;
interrupts = <TEGRA_GPIO(H, 4) GPIO_ACTIVE_HIGH>;
};