Re: [PATCH 2/2] net: mdio: support c45 peripherals on c22 busses

From: Andrew Lunn
Date: Fri Apr 02 2021 - 08:29:20 EST


> > Do you actually have a requirement for this?
> >
> Yes, the Marvell 88Q2112 1000Base-T1 PHY. But actually, I just recognize that it
> should be possible to just register it with the compatible string
> "ethernet-phy-ieee802.3-c22" instead of "ethernet-phy-ieee802.3-c45", this
> should result in probing it as c22 PHY and doing indirect accesses through
> phy_*_mmd().

Hi Danilo

Do you plan to submit a driver for this?

Does this device have an ID in register 2 and 3 in C22 space?

Andrew