linux-kernel - Re: [PATCH v4 1/2] dt-bindings: net: add phy-supply property for stm32

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Date: Tue, 26 Mar 2024 15:41:13 +0100
From: Christophe ROULLIER <christophe.roullier@...s.st.com>
To: Andrew Lunn <andrew@...n.ch>
CC: "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni
	<pabeni@...hat.com>, Rob Herring <robh+dt@...nel.org>,
        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 v4 1/2] dt-bindings: net: add phy-supply property for
 stm32


On 3/26/24 14:58, Andrew Lunn wrote:
> On Tue, Mar 26, 2024 at 01:58:48PM +0100, 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 fc8c96b08d7dc..80937b28fa046 100644
>> --- a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
>> +++ b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
>> @@ -82,6 +82,9 @@ properties:
>>         Should be phandle/offset pair. The phandle to the syscon node which
>>         encompases the glue register, and the offset of the control register
>>   
>> +  phy-supply:
>> +    description: PHY regulator
> ~/linux/drivers/net/ethernet/stmicro/stmmac$ grep regulator_get *
> dwmac-rk.c:	bsp_priv->regulator = devm_regulator_get(dev, "phy");
> dwmac-sun8i.c:	gmac->regulator = devm_regulator_get_optional(dev, "phy");
> dwmac-sunxi.c:	gmac->regulator = devm_regulator_get_optional(dev, "phy");
>
> Maybe i'm missing something, but i don't see an actual implementation
> of this binding?
>
> 	Andrew

Hi Andrew,

You are right, my next step is to upstream support of Ethernet MP13 glue 
and some update like Phy regulator support

(it is look like 
https://lore.kernel.org/linux-arm-kernel/20230928122427.313271-9-christophe.roullier@foss.st.com/)

Regards,

Christophe