linux-kernel - Re: [PATCH net-next 2/4] dt-bindings: net: ti: k3-am654-cpsw-nuss: update phy-mode in example

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Message-ID: <2cf14499-6ce8-42e0-98bb-3669aa0ed1fe@lunn.ch>
Date: Fri, 18 Apr 2025 22:48:55 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Matthias Schiffer <matthias.schiffer@...tq-group.com>
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Andy Whitcroft <apw@...onical.com>,
	Dwaipayan Ray <dwaipayanray1@...il.com>,
	Lukas Bulwahn <lukas.bulwahn@...il.com>,
	Joe Perches <joe@...ches.com>, Jonathan Corbet <corbet@....net>,
	Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
	Siddharth Vadapalli <s-vadapalli@...com>,
	Roger Quadros <rogerq@...nel.org>, Tero Kristo <kristo@...nel.org>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux@...tq-group.com
Subject: Re: [PATCH net-next 2/4] dt-bindings: net: ti: k3-am654-cpsw-nuss:
 update phy-mode in example

On Tue, Apr 15, 2025 at 12:18:02PM +0200, Matthias Schiffer wrote:
> k3-am65-cpsw-nuss controllers have a fixed internal TX delay, so RXID
> mode is not actually possible and will result in a warning from the
> driver going forward.
> 
> Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
> ---
>  .../devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml          | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml b/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml
> index b11894fbaec47..c8128b8ca74fb 100644
> --- a/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml
> +++ b/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml
> @@ -282,7 +282,7 @@ examples:
>                      ti,syscon-efuse = <&mcu_conf 0x200>;
>                      phys = <&phy_gmii_sel 1>;
>  
> -                    phy-mode = "rgmii-rxid";
> +                    phy-mode = "rgmii-id";

It would be good to enforce the phy-modes which are valid, which i
think are:

        case PHY_INTERFACE_MODE_RGMII_ID:
        case PHY_INTERFACE_MODE_RGMII_TXID:
        case PHY_INTERFACE_MODE_RMII:
        case PHY_INTERFACE_MODE_QSGMII:
        case PHY_INTERFACE_MODE_SGMII:
        case PHY_INTERFACE_MODE_USXGMII:

Anyway, this can be a follow up patch, it should not block this
patchset.

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew