Re: [PATCH v4 1/3] dt-bindings: net: sophgo,sg2044-dwmac: add phy mode restriction

From: Conor Dooley

Date: Tue Oct 28 2025 - 15:22:45 EST


On Tue, Oct 28, 2025 at 08:38:56AM +0800, Inochi Amaoto wrote:
> As the ethernet controller of SG2044 and SG2042 only supports
> RGMII phy. Add phy-mode property to restrict the value.
>
> Also, since SG2042 has internal rx delay in its mac, make
> only "rgmii-txid" and "rgmii-id" valid for phy-mode.

Should this have a fixes tag?
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

>
> Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxx>
> ---
> .../bindings/net/sophgo,sg2044-dwmac.yaml | 20 +++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml b/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml
> index ce21979a2d9a..916ef8f4838a 100644
> --- a/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml
> @@ -70,6 +70,26 @@ required:
>
> allOf:
> - $ref: snps,dwmac.yaml#
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: sophgo,sg2042-dwmac
> + then:
> + properties:
> + phy-mode:
> + enum:
> + - rgmii-txid
> + - rgmii-id
> + else:
> + properties:
> + phy-mode:
> + enum:
> + - rgmii
> + - rgmii-rxid
> + - rgmii-txid
> + - rgmii-id
> +
>
> unevaluatedProperties: false
>
> --
> 2.51.1
>

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