On Thu, Feb 16, 2023 at 11:18:16AM +0100, Krzysztof Kozlowski wrote: > On 16/02/2023 11:15, Claudiu.Beznea@xxxxxxxxxxxxx wrote: > >>> + 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. > >> Is this some hardware delay? Or OS? If OS, why Linux specific delay is > >> put into DT? > > It's the delay used in software workaround that IP needs to filter noises. > Then this sounds like OS? Linux related properties usually do not belong > to DT. This is a hardware property, it's the time needed for the input to settle.
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