linux-kernel - Re: [PATCH 2/7] media: dt-bindings: Add CAMSS device for SM8750

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Message-ID: <0a9bfef7-0d9c-4567-a430-81bae7b13aba@oss.qualcomm.com>
Date: Tue, 6 Jan 2026 10:04:27 -0800
From: Vijay Kumar Tumati <vijay.tumati@....qualcomm.com>
To: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Hangxiang Ma <hangxiang.ma@....qualcomm.com>
Cc: Loic Poulain <loic.poulain@....qualcomm.com>,
        Robert Foss <rfoss@...nel.org>, Andi Shyti <andi.shyti@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Todor Tomov <todor.too@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        linux-i2c@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org,
        jeyaprakash.soundrapandian@....qualcomm.com
Subject: Re: [PATCH 2/7] media: dt-bindings: Add CAMSS device for SM8750


On 12/3/2025 5:31 PM, Vladimir Zapolskiy wrote:
> On 11/27/25 10:10, Krzysztof Kozlowski wrote:
>> On Wed, Nov 26, 2025 at 01:38:35AM -0800, Hangxiang Ma wrote:
>>> Add the compatible string "qcom,sm8750-camss" to support the Camera
>>
>> s/to support the/for the/
>>
>> Bindings do not support hardware.
>>
>>> Subsystem (CAMSS) on the Qualcomm SM8750 platform.
>>>
>>> The SM8750 platform provides:
>>> - 3 x VFE, 5 RDI per VFE
>>> - 2 x VFE Lite, 4 RDI per VFE Lite
>>> - 3 x CSID
>>> - 2 x CSID Lite
>>> - 6 x CSIPHY
>>> - 2 x ICP
>>> - 1 x IPE
>>> - 2 x JPEG DMA & Downscaler
>>> - 2 x JPEG Encoder
>>> - 1 x OFE
>>> - 5 x RT CDM
>>> - 3 x TPG
>>>
>>> Signed-off-by: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
>>> ---
>>>   .../bindings/media/qcom,sm8750-camss.yaml          | 664 
>>> +++++++++++++++++++++
>>>   1 file changed, 664 insertions(+)
>>>
>>> diff --git 
>>> a/Documentation/devicetree/bindings/media/qcom,sm8750-camss.yaml 
>>> b/Documentation/devicetree/bindings/media/qcom,sm8750-camss.yaml
>
> <snip>
>
>>> +
>>> +  vdd-csiphy0-0p88-supply:
>>
>> 88->8, so: vdd-csiphy0-0p8-supply:
>
> I would make a minor correction here, it'd be rather 0p9.
Sure, thanks.
>
>> Same in other places. This is how it is called for every binding.
>>
>>> +    description:
>>> +      Phandle to a 0.88V regulator supply to CSIPHY0 core block.
>>> +
>>> +  vdd-csiphy0-1p2-supply:
>>> +    description:
>>> +      Phandle to a 1.2V regulator supply to CSIPHY0 pll block.
>>> +
>>> +  vdd-csiphy1-0p88-supply:
>>> +    description:
>>> +      Phandle to a 0.88V regulator supply to CSIPHY1 core block.
>