linux-kernel - Re: [PATCH 07/13] dt-bindings: media: camss: Add qcom,sm8550-camss binding

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Message-ID: <6562a958-47e9-4a49-b235-fe8deba3c051@linaro.org>
Date: Thu, 12 Sep 2024 23:41:20 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
 Depeng Shao <quic_depengs@...cinc.com>, rfoss@...nel.org,
 todor.too@...il.com, mchehab@...nel.org, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org,
 Neil Armstrong <neil.armstrong@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 kernel@...cinc.com, Yongsheng Li <quic_yon@...cinc.com>
Subject: Re: [PATCH 07/13] dt-bindings: media: camss: Add qcom,sm8550-camss
 binding

On 12/09/2024 21:57, Vladimir Zapolskiy wrote:
>> 3. Required not optional in the yaml
>>
>>      => You can't use the PHY without its regulators
> 
> No, the supplies shall be optional, since it's absolutely possible to have
> such a board, where supplies are merely not connected to the SoC.

For any _used_ PHY both supplies are certainly required.

That's what the yaml/dts check for this should achieve.

---
bod