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

Lukasz Luba lukasz.luba at arm.com
Fri Nov 20 03:35:11 EST 2020



On 11/19/20 5:13 PM, Sudeep Holla wrote:
> 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 at 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 at 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.
> 

That's great. Thank you for the information.

Regards,
Lukasz



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