linux-kernel - Re: [PATCH v4 1/5] dt-bindings: media: add mediatek ISP3.0 sensor interface

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Message-ID: <68c9bf8d-38c6-4f1b-b73d-a8ea03f8e1cd@linaro.org>
Date: Mon, 10 Jun 2024 09:39:54 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Julien Stephan <jstephan@...libre.com>
Cc: Louis Kuo <louis.kuo@...iatek.com>, Phi-Bang Nguyen
 <pnguyen@...libre.com>, Laurent Pinchart
 <laurent.pinchart@...asonboard.com>, Andy Hsieh <andy.hsieh@...iatek.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
 Florian Sylvestre <fsylvestre@...libre.com>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-mediatek@...ts.infradead.org, linux-media@...r.kernel.org,
 Matthias Brugger <matthias.bgg@...il.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Paul Elder <paul.elder@...asonboard.com>, Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v4 1/5] dt-bindings: media: add mediatek ISP3.0 sensor
 interface

On 07/06/2024 10:52, Julien Stephan wrote:
> Le ven. 12 janv. 2024 à 08:32, Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> a écrit :
>>
>> On 10/01/2024 15:14, Julien Stephan wrote:
>>> From: Louis Kuo <louis.kuo@...iatek.com>
>>>
>>> This adds the bindings, for the mediatek ISP3.0 SENINF module embedded in
>>> some Mediatek SoC, such as the mt8365
>>>
>>
>> ...
>>
>>> +  clock-names:
>>> +    items:
>>> +      - const: camsys
>>> +      - const: top_mux
>>> +
>>> +  phys:
>>> +    minItems: 1
>>> +    maxItems: 4
>>> +    description:
>>> +      phandle to the PHYs connected to CSI0/A, CSI1, CSI2 and CSI0B
>>> +
>>> +  phy-names:
>>> +    minItems: 1
>>> +    items:
>>> +      - const: csi0
>>> +      - const: csi1
>>> +      - const: csi2
>>> +      - const: csi0b
>>
>> Why one hardware has flexible number of phys?
> 
> Hi Krzysztof,
> 
> seninf can have multiple port depending on the soc, each requiring its own phy

So it is fixed per soc? Then make it fixed per soc.

Best regards,
Krzysztof