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ASoC: dt-bindings: sun50i-codec-analog: Add headphone amp regulator supply

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On the Allwinner A64 SoC, the audio codec has a built-in headphone
amplifier. This amplifier has a power supply separate from the rest of
the analog audio circuitry.

Add a regulator supply property to handle this.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Chen-Yu Tsai 2018-11-22 18:23:18 +08:00 committed by Mark Brown
parent 33404f3f10
commit 21dd30200e
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GPG key ID: 24D68B725D5487D0
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Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
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@ -4,9 +4,11 @@ Required properties:
- compatible: must be one of the following compatibles:
- "allwinner,sun50i-a64-codec-analog"
- reg: must contain the registers location and length
- cpvdd-supply: Regulator supply for the headphone amplifier
Example:
codec_analog: codec-analog@1f015c0 {
compatible = "allwinner,sun50i-a64-codec-analog";
reg = <0x01f015c0 0x4>;
cpvdd-supply = <&reg_eldo1>;
};