Hi,

I drafted this but never sent it and can't remember why, but it's
relevant for v5 that you recently posted. Same concern with v5.

On Tue, Sep 09, 2025 at 02:10:51AM +0800, Chen-Yu Tsai wrote:

+	switch (plat->mac_interface) {
+	case PHY_INTERFACE_MODE_MII:
+		/* default */
+		break;
+	case PHY_INTERFACE_MODE_RGMII:
+	case PHY_INTERFACE_MODE_RGMII_ID:
+	case PHY_INTERFACE_MODE_RGMII_RXID:
+	case PHY_INTERFACE_MODE_RGMII_TXID:
+		reg |= SYSCON_EPIT | SYSCON_ETCS_INT_GMII;
+		break;
+	case PHY_INTERFACE_MODE_RMII:
+		reg |= SYSCON_RMII_EN;
+		break;
+	default:
+		return dev_err_probe(dev, -EINVAL, "Unsupported interface mode: %s",
+				     phy_modes(plat->mac_interface));

I'm guessing that there's no way that plat->phy_interface !=
plat->mac_interface on this platform? If so, please use
plat->phy_interface here.

Thanks.

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