On Sun, Jun 11, 2023 at 01:32:27AM +0100, Daniel Golle wrote: > Introduce DT bindings for the MT7988 SoC to mediatek,net.yaml. > The MT7988 SoC got 3 Ethernet MACs operating at a maximum of > 10 Gigabit/sec supported by 2 packet processor engines for > offloading tasks. > The first MAC is hard-wired to a built-in switch which exposes > four 1000Base-T PHYs as user ports. > It also comes with built-in 2500Base-T PHY which can be used > with the 2nd GMAC. > The 2nd and 3rd GMAC can be connected to external PHYs or provide > SFP(+) cages attached via SGMII, 1000Base-X, 2500Base-X, USXGMII, > 5GBase-KR or 10GBase-KR. Are you _sure_ that they are GBASE-KR, and not just GBASE-R ? Are they designed for backplane links, and thus have some form of negotiation? If they have no negotiation, they may not be GBASE-KR. Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!