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- 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
- - wakeup-delay-ms: Delay (in ms) after enabling the DMIC
- Example node:
- dmic_codec: dmic@0 {
- compatible = "dmic-codec";
- dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
- num-channels = <1>;
- wakeup-delay-ms <50>;
- };
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