[PATCH 1/2] ASoC: dt-bindings: ak4458: Add power supply property

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AVDD-supply is for Analog power supply
DVDD-supply is for Digital power supply

Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
---
 Documentation/devicetree/bindings/sound/ak4458.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/ak4458.txt b/Documentation/devicetree/bindings/sound/ak4458.txt
index e5820235e0d5..8f6c84f21468 100644
--- a/Documentation/devicetree/bindings/sound/ak4458.txt
+++ b/Documentation/devicetree/bindings/sound/ak4458.txt
@@ -10,6 +10,8 @@ Required properties:
 Optional properties:
 - reset-gpios: A GPIO specifier for the power down & reset pin
 - mute-gpios: A GPIO specifier for the soft mute pin
+- AVDD-supply: Analog power supply
+- DVDD-supply: Digital power supply
 
 Example:
 
-- 
2.27.0




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