From 53c5b92aa221c70f842814546a4711f9c95074ef Mon Sep 17 00:00:00 2001 From: Xing Zheng Date: Wed, 27 Mar 2019 20:00:08 +0800 Subject: [PATCH] dt-bindings: sound: rk3308_codec: add some descriptions for external micbias Change-Id: If4ef8c5d149390adf207710246bf3c2289d8c95d Signed-off-by: Xing Zheng --- .../devicetree/bindings/sound/rockchip,rk3308-codec.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.txt b/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.txt index 639263885932..e1ad7010cab9 100644 --- a/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.txt +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.txt @@ -56,6 +56,8 @@ Optional properties: - rockchip,delay-pa-drv-ms: This property points out that the delay for power on amplifier - spk-ctl-gpios: The gpio of speak controller. +- micbias-en-gpios: The GPIO to enable external micbias. +- vmicbias-supply: The phandle to the regulator to handle external micbias. Example for rk3308 internal codec: