Re: [PATCH 2/3] dt-bindings: iio: chemical: sensirion,senxx: Add yaml description

[Conor Dooley]

On Sat, Feb 08, 2025 at 03:07:08PM +0800, Hermes Zhang wrote:
> Hi,
> 
> On 2025/2/7 2:20, Conor Dooley wrote:
> > diff --git a/Documentation/devicetree/bindings/iio/chemical/sensirion,senxx.yaml b/Documentation/devicetree/bindings/iio/chemical/sensirion,senxx.yaml
> > new file mode 100644
> > index 000000000000..4d998eabe441
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/iio/chemical/sensirion,senxx.yaml
> > filename matching a compatible please.
> So sensirion,sen66.yaml?
> > +  https://sensirion.com/media/documents/6791EFA0/62A1F68F/Sensirion_Datasheet_Environmental_Node_SEN5x.pdf
> > +  https://sensirion.com/media/documents/FAFC548D/6731FFFA/Sensirion_Datasheet_SEN6x.pdf
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - sensirion,sen50
> > +      - sensirion,sen54
> > +      - sensirion,sen55
> > +      - sensirion,sen60
> > +      - sensirion,sen65
> > +      - sensirion,sen66
> > I'd like a note in the commit message as to how all of these devices are
> > different please.
> Sure, will fix in v2.
> > > +
> > > +  reg:
> > > +    maxItems: 1
> > > +
> > > +required:
> > > +  - compatible
> > > +  - reg
> > No supplies needed for this device? Seems like you would need at least
> > one, no?
> 
> You mean the vdd-supply? The chip require a e.g. 3.3v VDD, but in our HW, we
> have no gpio/regulator to control it, connect directly by the HW, should I
> still need to have one vdd-supply here?

Might not be controllable in your case, but if the device needs power
from somewhere it should have one in the binding.

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