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| author | Chen-Yu Tsai <wens@csie.org> | 2018-11-22 13:23:18 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-11-23 17:01:16 +0300 |
| commit | 21dd30200e3d350fe420d23a2a00b17633a3d1a2 (patch) | |
| tree | ea5d80f092a49c57b045b68f2104eb44fe630cd5 /Documentation | |
| parent | 33404f3f10beaf0d69d8765f5804b6fb3b305f0f (diff) | |
| download | linux-21dd30200e3d350fe420d23a2a00b17633a3d1a2.tar.xz | |
ASoC: dt-bindings: sun50i-codec-analog: Add headphone amp regulator supply
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt b/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt index 4f8ad0e04d20..056a098495cc 100644 --- a/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt +++ b/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt @@ -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 = <®_eldo1>; }; |