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SubjectRe: [PATCH v6 2/2] arm64: dts: mt8195: Add Ethernet controller
> > Is the PHY integrated into the SoC, or on the board?
> The PHY is on the board, an external device as to SoC.
> >
> > You also don't need the compatible, if the PHY correctly implements
> > the ID registers.
> But without the compatible, it seems PHY driver will not be attached.
> How should I do? Thanks in advance.

Check what happens in mdiobus_scan() and get_phy_device(). When it
reads registers 2 and 3, does it get valid ID register contents?

Andrew

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