Re: [PATCH 5/6] dt-bindings: iio: temperature: ltc2983: document power supply

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On Thu, 2024-02-22 at 15:40 +0000, Conor Dooley wrote:
> On Thu, Feb 22, 2024 at 01:55:56PM +0100, Nuno Sa wrote:
> > Add a property for the VDD power supply regulator.
> > 
> > Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
> > ---
> >  Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git
> > a/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
> > b/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
> > index dbb85135fd66..8aae867a770a 100644
> > --- a/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
> > +++ b/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
> > @@ -57,6 +57,8 @@ properties:
> >    interrupts:
> >      maxItems: 1
> >  
> > +  vdd-supply: true
> 
> Although technically an ABI break, should we make this supply required?
> It is, at the end of the day, required by the hardware for operation.
> 

I thought about it but then realized it could break some existing users which is
never a nice thing.

I recently (in another series - the IIO backend) went through some trouble to
actually not break ABI. Meaning, I had to do some not so neat hacking in the
driver because Rob was more comfortable with not breaking ABI in DT. So, I
assumed he would not like for me to break it in here.

- Nuno Sá
> 





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