linux-kernel - Re: [PATCH v2 2/3] dt-bindings: power: Add mediatek larb definition

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Date: Wed, 27 Mar 2024 11:10:27 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Yu-chang Lee (李禹璋) <Yu-chang.Lee@...iatek.com>,
 MandyJH Liu (劉人僖) <MandyJH.Liu@...iatek.com>,
 "conor+dt@...nel.org" <conor+dt@...nel.org>,
 "robh@...nel.org" <robh@...nel.org>,
 "krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>,
 "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
 "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>,
 "angelogioacchino.delregno@...labora.com"
 <angelogioacchino.delregno@...labora.com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
 "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
 Project_Global_Chrome_Upstream_Group
 <Project_Global_Chrome_Upstream_Group@...iatek.com>,
 Xiufeng Li (李秀峰) <Xiufeng.Li@...iatek.com>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>, Fan Chen (陳凡)
 <fan.chen@...iatek.com>
Subject: Re: [PATCH v2 2/3] dt-bindings: power: Add mediatek larb definition

On 27/03/2024 11:01, Yu-chang Lee (李禹璋) wrote:
> On Wed, 2024-03-27 at 09:39 +0100, Krzysztof Kozlowski wrote:
>>  	 
>> External email : Please do not click links or open attachments until
>> you have verified the sender or the content.
>>  On 27/03/2024 06:57, yu-chang.lee wrote:
>>> Add Smart Multimedia Interface Local Arbiter to mediatek
>>> power domain.
>>>
>>> Signed-off-by: yu-chang.lee <yu-chang.lee@...iatek.com>
>>> ---
>>>  .../devicetree/bindings/power/mediatek,power-controller.yaml  | 4
>> ++++
>>>  1 file changed, 4 insertions(+)
>>>
>>> diff --git
>> a/Documentation/devicetree/bindings/power/mediatek,power-
>> controller.yaml
>> b/Documentation/devicetree/bindings/power/mediatek,power-
>> controller.yaml
>>> index 8985e2df8a56..228c0dec5253 100644
>>> --- a/Documentation/devicetree/bindings/power/mediatek,power-
>> controller.yaml
>>> +++ b/Documentation/devicetree/bindings/power/mediatek,power-
>> controller.yaml
>>> @@ -125,6 +125,10 @@ $defs:
>>>          $ref: /schemas/types.yaml#/definitions/phandle
>>>          description: phandle to the device containing the SMI
>> register range.
>>>  
>>> +     mediatek,larb:
>>> +        $ref: /schemas/types.yaml#/definitions/phandle
>>> +        description: phandle to the device containing the LARB
>> register range.
>>
>> Why do you need it?
>>
>> Plus I also see mediatek,larbs and mediatek,larb-id... so now we have
>> third one similar.
>>
> MM driver used "mediatek,larbs" for it larb node.
> Power domain driver used "mediatek,larb".
> "mediatek,larb-id" is for larb in dts.
> 
> The naming is no related to each other.

Then it is just confusing.

Best regards,
Krzysztof