Re: [PATCH 1/5] dt-bindings: i2c: Add Qualcomm Geni based QUP i2c bindings

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On 02/04/2022 21:44, Kuldeep Singh wrote:
> On Sat, Apr 02, 2022 at 02:29:59PM +0200, Krzysztof Kozlowski wrote:
>> On 02/04/2022 07:12, Kuldeep Singh wrote:
>>> GENI(generic interface) based Qualcomm Universal Peripheral controller
>>> can support multiple serial interfaces like spi,uart and i2c.
>>>
	
>>> +
>>> +  power-domains:
>>> +    maxItems: 1
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +  required-opps:
>>> +    maxItems: 1
>>
>> I have doubts this is correct property. Usually it is part of the
>> opp-table. I see sc7180 needs this, but I think it is a mistake. Do you
>> know how it is supposed to work?
> 
> Not sure how exactly it works. I took reference from
> Documentation/devicetree/bindings/clock/qcom,videocc.yaml on how to add
> required-opps.
>

I see now that power domains consumer bindings also mention it:
Documentation/devicetree/bindings/power/power_domain.txt
and it might be actually used via __genpd_dev_pm_attach().

Let's keep it then.

Best regards,
Krzysztof



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