Messages in this thread | | | Date | Thu, 29 Dec 2022 02:06:43 +0100 | From | Andrew Lunn <> | Subject | Re: [PATCH v6 2/2] arm64: dts: mt8195: Add Ethernet controller |
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> > 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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