[PATCH 3/4] arm64: dts: socfpga: agilex5: enable gmac2 on the Agilex5 dev kit
Andrew Lunn
andrew at lunn.ch
Mon Jul 14 10:25:02 PDT 2025
> +&gmac2 {
> + status = "okay";
> + phy-mode = "rgmii"; /* Delays implemented by the IO ring of the Agilex5 SOCFPGA. */
Please could you explain in more details what this means.
The normal meaning for 'rgmii' is that the PCB implements the delay. I
just want to fully understand what this IO ring is, and if it is part
of the PCB.
> + phy-handle = <&emac2_phy0>;
> + max-frame-size = <9000>;
> + mdio0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "snps,dwmac-mdio";
> + emac2_phy0: ethernet-phy at 0 {
> + reg = <0>;
> + };
Please add a newline in here to separate the inner node from the
rest.
Andrew
---
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