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Commit 8c9741b1 authored by huang lin's avatar huang lin Committed by Mark Brown
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dt-bindings: sound: add dmicen property in dmic driver 



there may use enable pin to control dmic start and stop,
so add this property in dt-bindings.

Signed-off-by: default avatarLin Huang <hl@rock-chips.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 29685e20

Documentation/devicetree/bindings/sound/dmic.txt

+4 −0
Original line number Diff line number Diff line
@@ -5,8 +5,12 @@ This device support generic PDM digital microphone. 
Required properties:

	- compatible: should be "dmic-codec".



Optional properties:

	- dmicen-gpios: GPIO specifier for dmic to control start and stop



Example node:



	dmic_codec: dmic@0 {

		compatible = "dmic-codec";

		dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;

	};