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

Lukasz Luba
2020-11-19T15:23:39Z

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
?

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

Regards,
Lukasz