From mboxrd@z Thu Jan 1 00:00:00 1970 From: wens@csie.org (Chen-Yu Tsai) Date: Thu, 22 Nov 2018 18:23:18 +0800 Subject: [PATCH v9 1/8] ASoC: dt-bindings: sun50i-codec-analog: Add headphone amp regulator supply In-Reply-To: <20181122102325.29495-1-wens@csie.org> References: <20181122102325.29495-1-wens@csie.org> Message-ID: <20181122102325.29495-2-wens@csie.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt | 2 ++ 1 file changed, 2 insertions(+) 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 at 1f015c0 { compatible = "allwinner,sun50i-a64-codec-analog"; reg = <0x01f015c0 0x4>; + cpvdd-supply = <®_eldo1>; }; -- 2.19.1