Re: [PATCH v2 1/4] arm64: dts: mediatek: mt8390-genio-700-evk: Add Grinn GenioSBC-700

[Andrew Lunn]

> +&eth {
> +	phy-mode = "rgmii-rxid";

Does the PCB have an extra long TX clock line?

https://elixir.bootlin.com/linux/v6.15/source/Documentation/devicetree/bindings/net/ethernet-controller.yaml#L287

> +	phy-handle = <&ethernet_phy0>;
> +	snps,reset-active-low;
> +	snps,reset-delays-us = <0 11000 200000>;
> +	mediatek,tx-delay-ps = <2030>;

Please try setting this to 30, and use 'rgmii-id'

	Andrew