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

Sudeep Holla
2020-11-19T17:13:33Z

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@mediatek.com>
> > >
> > > 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@mediatek.com>
> > > ---
> > > 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@arm.com