Re: [PATCH v8 2/3] dt-bindings: arm: cpus: Document 'mediatek,freq-domain' property

[Lukasz Luba]

On 10/28/20 3:08 PM, Rob Herring wrote:
> On Mon, Oct 26, 2020 at 04:19:08PM +0800, Hector Yuan wrote:
> > From: "Hector.Yuan" <hector.yuan@xxxxxxxxxxxx>
> >
> > Add devicetree documentation for 'mediatek,freq-domain' property specific
> > to Mediatek CPUs. This property is used to reference the CPUFREQ node
> > along with the domain id.
> >
> > Signed-off-by: Hector.Yuan <hector.yuan@xxxxxxxxxxxx>
> > ---
> >   Documentation/devicetree/bindings/arm/cpus.yaml |    6 ++++++
> >   1 file changed, 6 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
> > index 1222bf1..e995b26 100644
> > --- a/Documentation/devicetree/bindings/arm/cpus.yaml
> > +++ b/Documentation/devicetree/bindings/arm/cpus.yaml
> > @@ -255,6 +255,12 @@ properties:
> >   
> >         where voltage is in V, frequency is in MHz.
> >   
> > +  mediatek,freq-domain:
> > +    $ref: '/schemas/types.yaml#/definitions/phandle-array'
> > +    description:
> > +      CPUs supporting freq-domain must set their "mediatek,freq-domain" property
> > +      with phandle to a cpufreq_hw node followed by the domain id.
>
> This needs to be a common binding shared with SCMI domains.

Would it be accurate to create a new binding file:
Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.txt
?

There is already cpufreq-qcom-hw.txt with 'qcom,freq-domain'
and analogous purpose.

Regards,
Lukasz