linux-kernel - Re: [PATCH v2 02/11] dt-bindings: net: add phy-supply property for stm32

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Date: Fri, 26 Apr 2024 10:30:10 -0500
From: Rob Herring <robh@...nel.org>
To: Christophe Roullier <christophe.roullier@...s.st.com>
Cc: "David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Richard Cochran <richardcochran@...il.com>,
	Jose Abreu <joabreu@...opsys.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, Marek Vasut <marex@...x.de>,
	netdev@...r.kernel.org, devicetree@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 02/11] dt-bindings: net: add phy-supply property for
 stm32

On Fri, Apr 26, 2024 at 02:56:58PM +0200, Christophe Roullier wrote:
> Phandle to a regulator that provides power to the PHY. This
> regulator will be managed during the PHY power on/off sequence.
> 
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Christophe Roullier <christophe.roullier@...s.st.com>
> ---
>  Documentation/devicetree/bindings/net/stm32-dwmac.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
> index b901a432dfa9..7c3aa181abcb 100644
> --- a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
> @@ -84,6 +84,9 @@ properties:
>            - description: offset of the control register
>            - description: field to set mask in register
>  
> +  phy-supply:
> +    description: PHY regulator

This is for which PHY? The serdes phy or ethernet phy? This only makes 
sense here if the phy is part of the MAC. Otherwise, it belongs in the 
phy node.

Rob