Re: [RESEND PATCH 1/2] dt-bindings: iio: ti,tmp117: add vcc supply binding

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On 24-02-16, Jonathan Cameron wrote:
> On Fri, 16 Feb 2024 11:28:19 +0100
> Marco Felsch <m.felsch@xxxxxxxxxxxxxx> wrote:
> 
> > From: Thomas Haemmerle <thomas.haemmerle@xxxxxxxxxxxxxxxxxxxx>
> > 
> > Add the binding to specify the vcc supply. We can't make it required
> > since this would break the backward compatibility.
> 
> Given convention for supplies like this is to make them required in
> the dt-binding to reflect that providing power is not optional (unlikely
> some other supplies that might not be wired up) and not worry about the
> fact that we happily provide dummy supplies for them if they aren't in a
> particular dts, it should be fine to make it required here.

Will this fact apply to all dt-bindings? I'm asking because, there are
many bindings out there without having the -supply in place.

Regards,
  Marco

> 
> Jonathan
> 
> > 
> > Signed-off-by: Thomas Haemmerle <thomas.haemmerle@xxxxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
> > ---
> > Resend since I forgot to add the DT maintainers
> > 
> >  .../devicetree/bindings/iio/temperature/ti,tmp117.yaml        | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml b/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml
> > index 8c6d7735e875..cf7799c9734f 100644
> > --- a/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml
> > +++ b/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml
> > @@ -24,6 +24,9 @@ properties:
> >    reg:
> >      maxItems: 1
> >  
> > +  vcc-supply:
> > +    description: provide VCC power to the sensor.
> > +
> >  required:
> >    - compatible
> >    - reg
> > @@ -39,5 +42,6 @@ examples:
> >          tmp117@48 {
> >               compatible = "ti,tmp117";
> >               reg = <0x48>;
> > +             vcc-supply = <&pmic_reg_3v3>;
> >          };
> >      };
> 
> 




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