Re: [PATCH 2/2] dt-bindings: iio: imu: st_lsm6dsx: add asm330lhhxg1

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On Sun, 28 Jan 2024 11:35:23 +0100
Lorenzo Bianconi <lorenzo@xxxxxxxxxx> wrote:

> > On Wed, 24 Jan 2024 11:52:34 +0100
> > Lorenzo Bianconi <lorenzo@xxxxxxxxxx> wrote:
> >   
> > > Add device bindings for asm330lhhxg1 IMU sensor.
> > > Use asm330lhhx as fallback device for asm330lhhxg1 since it implements
> > > all the features currently supported by asm330lhhxg1.  
> > 
> > Can we clarify if the hardware of the asm330lhhxg1 supports
> > 1) Exactly the same features as the asm330lhhx
> >    (Valid use for a fallback compatible, because we might find
> >     bugs etc in future).
> > 2) More features, but the asm330lhhx features set is a subset.
> >    (Most valid use for a fallback compatible)  
> 
> Hi Jonathan,
> 
> afaik asm330lhhx supports a subset of asm330lhhxg1 features (adding st folks in
> cc for some clarification here) but they are not implemented in st_lsm6dsx.

Great.  State that a little more clearly in the patch description for
v2 please.

Thanks,

Jonathan

> 
> Regards,
> Lorenzo
> 
> > 3) Different features from the asm330llhhx but driver only supports
> >    a set both support? (this is a problem)
> > 
> > I 'think' it is 2 from your text, but I'm not 100% sure I've understood
> > correctly.  
> > > 
> > > Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
> > > ---
> > >  Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml | 3 +++
> > >  1 file changed, 3 insertions(+)
> > > 
> > > diff --git a/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml b/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
> > > index 28b667a9cb76..7ba3de66a2e1 100644
> > > --- a/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
> > > +++ b/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
> > > @@ -49,6 +49,9 @@ properties:
> > >        - items:
> > >            - const: st,asm330lhb
> > >            - const: st,asm330lhh
> > > +      - items:
> > > +          - const: st,asm330lhhxg1
> > > +          - const: st,asm330lhhx
> > >  
> > >    reg:
> > >      maxItems: 1  
> >   





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