netdev - Re: [net-next,PATCH 2/3] dt-bindings: net: realtek,rtl82xx: Document realtek,ssc-enable property

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Message-ID: <f3046826-a44c-4aa9-8a94-351e7fe83f06@kernel.org>
Date: Sun, 30 Nov 2025 09:20:26 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Marek Vasut <marek.vasut@...lbox.org>, netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
 Aleksander Jan Bajkowski <olek2@...pl>, Andrew Lunn <andrew@...n.ch>,
 Conor Dooley <conor+dt@...nel.org>, Eric Dumazet <edumazet@...gle.com>,
 Florian Fainelli <f.fainelli@...il.com>,
 Heiner Kallweit <hkallweit1@...il.com>, Jakub Kicinski <kuba@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Michael Klein <michael@...sekall.de>, Paolo Abeni <pabeni@...hat.com>,
 Rob Herring <robh@...nel.org>, Russell King <linux@...linux.org.uk>,
 Vladimir Oltean <vladimir.oltean@....com>, devicetree@...r.kernel.org
Subject: Re: [net-next,PATCH 2/3] dt-bindings: net: realtek,rtl82xx: Document
 realtek,ssc-enable property

On 30/11/2025 01:58, Marek Vasut wrote:
> Document support for spread spectrum clocking (SSC) on RTL8211F(D)(I)-CG,
> RTL8211FS(I)(-VS)-CG, RTL8211FG(I)(-VS)-CG PHYs. Introduce new DT property
> 'realtek,ssc-enable' to enable SSC mode for both RXC and SYSCLK clock
> signals.
> 
> Signed-off-by: Marek Vasut <marek.vasut@...lbox.org>
> ---
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Aleksander Jan Bajkowski <olek2@...pl>
> Cc: Andrew Lunn <andrew@...n.ch>
> Cc: Conor Dooley <conor+dt@...nel.org>
> Cc: Eric Dumazet <edumazet@...gle.com>
> Cc: Florian Fainelli <f.fainelli@...il.com>
> Cc: Heiner Kallweit <hkallweit1@...il.com>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
> Cc: Michael Klein <michael@...sekall.de>
> Cc: Paolo Abeni <pabeni@...hat.com>
> Cc: Rob Herring <robh@...nel.org>
> Cc: Russell King <linux@...linux.org.uk>
> Cc: Vladimir Oltean <vladimir.oltean@....com>
> Cc: devicetree@...r.kernel.org
> Cc: netdev@...r.kernel.org
> ---
>  Documentation/devicetree/bindings/net/realtek,rtl82xx.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/realtek,rtl82xx.yaml b/Documentation/devicetree/bindings/net/realtek,rtl82xx.yaml
> index eafcc2f3e3d66..f1bd0095026be 100644
> --- a/Documentation/devicetree/bindings/net/realtek,rtl82xx.yaml
> +++ b/Documentation/devicetree/bindings/net/realtek,rtl82xx.yaml
> @@ -50,6 +50,11 @@ properties:
>      description:
>        Disable CLKOUT clock, CLKOUT clock default is enabled after hardware reset.
>  
> +  realtek,ssc-enable:
> +    type: boolean
> +    description:
> +      Enable SSC mode, SSC mode default is disabled after hardware reset.

I don't want more SSC properties. We already had a big discussions about
it - one person pushing vendor property and only shortly after we learnt
that more vendors want it and they are actually working on this.

Best regards,
Krzysztof