[PATCH] arm64: dts: rockchip: use rgmii-id for LubanCat 4 gmac1

[Andrew Lunn]

On Tue, Nov 10, 2026 at 03:15:15AM +0800, Pufan Jin wrote:
> The LubanCat 4 PCB adds ~2ns of trace delay on both TXC and RXC, but
> that alone is not sufficient for reliable RGMII operation.  With
> phy-mode = "rgmii" and zero MAC delays the link comes up at 1Gbps but
> drops ~90% of the packets; the PHY's internal TX/RX delay is required.

Sorry, but this does not make sense. 4ns of delay is 2ns too many.

You need a proper explanation of what is going on here.

    Andrew