[PATCH v11 3/3] arm64: dts: rockchip: rk3568-photonicat: enable SGMII LAN port

Coia Prant coiaprant at gmail.com
Thu Oct 22 10:12:07 PDT 2026


Andrew Lunn <andrew at lunn.ch> 于2026年10月23日周五 00:58写道:
>
> > +     sgmii_phy: ethernet-phy at 3 {
> > +             compatible = "ethernet-phy-ieee802.3-c22";
> > +             reg = <0x3>;
> > +             max-speed = <1000>;
>
> Pointless. SGMII cannot do faster, so there is no need to limit it.
>
>         Andrew

Hi Andrew,

Right, SGMII tops out at 1000Mbps anyway. Dropping max-speed.

Coia



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