ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding

PDMC can work with different types of microphones, thus different boards
could have different microphones. Depending on microphone type the PDMC
would need to wait longer or shorter period (at startup) than the default
chosen one to filter unwanted noise. Thus add microchip,startup-delay-us
binding to let PDMC users to specify startup delay.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230228110145.3770525-3-claudiu.beznea@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Claudiu Beznea 2023-02-28 13:01:44 +02:00 committed by Mark Brown
parent 54fc4b72b6
commit 143a2f011c
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@ -67,6 +67,12 @@ properties:
maxItems: 4
uniqueItems: true
microchip,startup-delay-us:
description: |
Specifies the delay in microseconds that needs to be applied after
enabling the PDMC microphones to avoid unwanted noise due to microphones
not being ready.
required:
- compatible
- reg