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>;
> > };
> > };
>
>
