[mirror_ubuntu-jammy-kernel.git] / Documentation / devicetree / bindings / sound / dmic.txt

Device-Tree bindings for Digital microphone (DMIC) codec

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
	- num-channels: Number of microphones on this DAI

Example node:

	dmic_codec: dmic@0 {
		compatible = "dmic-codec";
		dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
		num-channels = <1>;
	};
Commit	Line	Data
5863e57c AP	1	Device-Tree bindings for Digital microphone (DMIC) codec
	2
	3	This device support generic PDM digital microphone.
	4
	5	Required properties:
	6	- compatible: should be "dmic-codec".
	7
8c9741b1	8	Optional properties:
8c9741b1	9	- dmicen-gpios: GPIO specifier for dmic to control start and stop
7fb59e94	10	- num-channels: Number of microphones on this DAI
8c9741b1	11
5863e57c AP	12	Example node:
	13
	14	dmic_codec: dmic@0 {
	15	compatible = "dmic-codec";
8c9741b1	16	dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
7fb59e94	17	num-channels = <1>;
5863e57c	18	};