Re: [PATCH 6/6] arm64: dts: allwinner: a523: x96qpro+: enable Ethernet support
Andrew Lunn <[email protected]> Tue, 4 Aug 2026 04:53:37 +0200
| Newsgroups | dev.linux.lists.linux-sunxi,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.netdev |
|---|---|
| Message-ID | <[email protected]> |
> +&gmac1 {
> + clocks = <&ccu CLK_BUS_EMAC1>, <&ccu CLK_MBUS_EMAC1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&rgmii1_pins>;
> + phy-mode = "rgmii-id";
> + phy-handle = <&ext_rgmii_phy>;
> + phy-supply = <®_cldo3>;
> +
> + tx-internal-delay-ps = <200>;
> + rx-internal-delay-ps = <500>;
500ns is quite big. How did you come to this value? Do you have the
schematic & gerber files? Does the lines look unbalanced?
Andrew