Re: [PATCH] dt-bindings: iio: st-sensors: Add IIS2MDC magnetometer

From: Marco Felsch
Date: Wed Feb 21 2024 - 14:17:06 EST


On 24-02-21, Conor Dooley wrote:
> On Wed, Feb 21, 2024 at 06:58:10PM +0100, Marco Felsch wrote:
> > Add the iis2mdc magnetometer support which is equivalent to the lis2mdl.
> >
> > Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
> > ---
> > Documentation/devicetree/bindings/iio/st,st-sensors.yaml | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/devicetree/bindings/iio/st,st-sensors.yaml b/Documentation/devicetree/bindings/iio/st,st-sensors.yaml
> > index fff7e3d83a02..ee593c8bbb65 100644
> > --- a/Documentation/devicetree/bindings/iio/st,st-sensors.yaml
> > +++ b/Documentation/devicetree/bindings/iio/st,st-sensors.yaml
> > @@ -64,6 +64,7 @@ properties:
> > - st,lsm9ds0-gyro
> > - description: STMicroelectronics Magnetometers
> > enum:
> > + - st,iis2mdc
>
> Without a fallback compatible to the equivilent device, how does a
> driver bind to this device?

I skimed the datasheets and the driver already handles this binding
exactly the same as the st,lis2mdl, so my assumption is they do match.

Why do I you think we need a fallback compatible here?

Regards,
Marco

>
> Cheers,
> Conor.
>
> > - st,lis2mdl
> > - st,lis3mdl-magn
> > - st,lsm303agr-magn
> > --
> > 2.39.2
> >