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Date: Tue, 8 Feb 2022 17:30:01 +0100 From: Geert Uytterhoeven <geert@...ux-m68k.org> To: Danilo Krummrich <danilokrummrich@...develop.de> Cc: Andrew Lunn <andrew@...n.ch>, Russell King - ARM Linux admin <linux@...linux.org.uk>, "David S. Miller" <davem@...emloft.net>, Heiner Kallweit <hkallweit1@...il.com>, netdev <netdev@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Jeremy Linton <jeremy.linton@....com> Subject: Re: [PATCH 2/2] net: mdio: support c45 peripherals on c22 busses Hi Danilo, On Sun, Apr 4, 2021 at 8:26 PM Danilo Krummrich <danilokrummrich@...develop.de> wrote: > On Fri, Apr 02, 2021 at 02:28:54PM +0200, Andrew Lunn wrote: > > > > 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? > > Yes, I'll get it ready once I got some spare time. Did this ever happen? I cannot find such a patch. > > Does this device have an ID in register 2 and 3 in C22 space? > > > Currently, I don't have access to the datasheet and I don't remember. > In a couple of days I should have access to the HW again and I will try. I'm asking because I have access to a board with Marvell 88Q2110 PHYs (ID 0x002b0983). Thanks! Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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