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

Lukasz Luba lukasz.luba at arm.com
Thu Nov 19 10:23:20 EST 2020



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
?

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

Regards,
Lukasz



More information about the Linux-mediatek mailing list