linux-kernel - Re: [PATCH] media: dt-bindings: Correct camss VDDA PLL supply description

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Message-ID: <ea21463c-89cd-43c3-b3e3-b5bcc5fb82fb@kernel.org>
Date: Sat, 13 Dec 2025 04:18:31 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: david@...t.cz, Robert Foss <rfoss@...nel.org>,
 Todor Tomov <todor.too@...il.com>,
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
 Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
 Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Vikram Sharma <quic_vikramsa@...cinc.com>,
 Kapatrala Syed <akapatra@...cinc.com>,
 Hariram Purushothaman <hariramp@...cinc.com>,
 Richard Acayan <mailingradian@...il.com>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 phone-devel@...r.kernel.org
Subject: Re: [PATCH] media: dt-bindings: Correct camss VDDA PLL supply
 description

On 12/12/2025 23:55, David Heidelberg via B4 Relay wrote:
> From: David Heidelberg <david@...t.cz>
> 
> Usually, the supply is around 1.2 V, not 1.8 V. Rather remove mention of
> voltage from the description.
> 
> Fixes: 849139d46d09 ("media: dt-bindings: media: camss: Fixup vdda regulator descriptions sdm845")
> Signed-off-by: David Heidelberg <david@...t.cz>
> ---
> Added only Fixes tag for the initial commit, not all the copy-paste
> propagated ones.
> ---
>  Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml  | 2 +-
>  Documentation/devicetree/bindings/media/qcom,sc7280-camss.yaml   | 2 +-
>  Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml | 2 +-
>  Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml   | 2 +-
>  Documentation/devicetree/bindings/media/qcom,sdm845-camss.yaml   | 2 +-
>  Documentation/devicetree/bindings/media/qcom,sm8250-camss.yaml   | 2 +-
>  6 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml
> index 019caa2b09c32..9009cfe993d75 100644
> --- a/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml
> +++ b/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml
> @@ -130,7 +130,7 @@ properties:
>  
>    vdda-pll-supply:
>      description:
> -      Phandle to 1.8V regulator supply to PHY refclk pll block.
> +      Phandle to regulator supply to PHY refclk pll block.

If doing this then also drop all redundant useless information. It is
never useful to say that phandle is a phandle and that supply is a
regulator supply, so just "PHY refclk PLL block supply".




Best regards,
Krzysztof