[PATCH v2] ARM: imx: imx8mn-ddr4-evk: Add ethernet support

[Michael Walle]

Hi Marek,

> +int board_phy_config(struct phy_device *phydev)
> +{
> +	/* enable rgmii rxc skew and phy mode select to RGMII copper */
> +	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
> +	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
> +
> +	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
> +	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
> +	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
> +	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);

This is a AR8031, correct?  Is there a reason why you don't use the
device tree binding to set RGMII voltage, and RX and tx delays?

-michael