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

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On Thu, Nov 19, 2020 at 03:23:20PM +0000, Lukasz Luba wrote:
> 
> 
> 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
> ?
>

Nope, Rob already asked to unify all such bindings and generalise it.
Here is my attempt[1] and this must just use it or help to enhance that
in order to make use of that binding.

-- 
Regards,
Sudeep

[1] https://lore.kernel.org/lkml/20201116181356.804590-1-sudeep.holla@xxxxxxx



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