Re: [PATCH 2/3] dt-bindings: vqmmc-ipq4019-regulator: add binding document

From: Robert Marko
Date: Tue Jan 21 2020 - 05:34:20 EST


On Mon, Jan 13, 2020 at 3:41 PM Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> On Sun, Jan 12, 2020 at 12:30:02PM +0100, Robert Marko wrote:
>
> > + regulator-min-microvolt:
> > + description: smallest voltage consumers may set
> > +
> > + regulator-max-microvolt:
> > + description: largest voltage consumers may set
>
> Why are these explicitly specified in this binding?
You are right, I can simply include them from regulator.yaml
>
> > + regulator-always-on:
> > + description: boolean, regulator should never be disabled
> > + type: boolean
>
> If it's not physically possible to disable the regulator then
> specifying this property is redundant so...
Yes, regulator cant be turned off.
>
> > +required:
> > + - compatible
> > + - reg
> > + - regulator-name
> > + - regulator-min-microvolt
> > + - regulator-max-microvolt
> > + - regulator-always-on
>
> ...requiring it doesn't seem useful. All the other
> regulator-specific properties shouldn't be required either,
> unless the user specifies a voltage range we won't allow changes
> at all which should be safe and the name is purely cosmetic.
Are bindings even required at all here then?