[PATCH 1/6] arm64: dts: imx8mn-beacon: Enable Digitial Microphone

Adam Ford aford173 at gmail.com
Tue Jul 19 12:17:58 PDT 2022


On Tue, Jul 19, 2022 at 12:57 AM Ahmad Fatoum <a.fatoum at pengutronix.de> wrote:
>
> Hello Adam,
>
> On 17.07.22 20:09, Adam Ford wrote:
> > +
> > +     sound-micfil {
> > +             compatible = "fsl,imx-audio-card";
> > +             model = "imx-audio-micfil";
> > +             pri-dai-link {
> > +                     link-name = "micfil hifi";
> > +                     format = "i2s";
>
> Given that MICFIL and mic speak PDM with each other,
> is i2s the correct format here?

I was basing this off some references from some NXP stuff in their
downstream kernel.  I know the audio I record with the PDM microphone
worked and sounded like I expected when I tested it.

adam

>
> Cheers,
> Ahmad
>
> --
> Pengutronix e.K.                           |                             |
> Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
> 31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



More information about the linux-arm-kernel mailing list