netdev - Re: [PATCH] phy: nxp-c45: add driver for tja1103

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Date:   Mon, 12 Apr 2021 13:02:07 +0300
From:   "Radu Nicolae Pirea (NXP OSS)" <radu-nicolae.pirea@....nxp.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] phy: nxp-c45: add driver for tja1103

On Fri, 2021-04-09 at 21:36 +0200, Andrew Lunn wrote:
> On Fri, Apr 09, 2021 at 09:41:06PM +0300, Radu Pirea (NXP OSS) wrote:
> > Add driver for tja1103 driver and for future NXP C45 PHYs.
> 
> So apart from c45 vs c22, how does this differ to nxp-tja11xx.c?
> Do we really want two different drivers for the same hardware? 
> Can we combine them somehow?
It looks like the PHYs are the same hardware, but that's not entirely
true. Just the naming is the same. TJA1103 is using a different IP and
is having timestamping support(I will add it later).
TJA is also not an Ethernet PHY series, but a general prefix for media
interfaces including also CAN, LIN, etc.
> 
> > +config NXP_C45_PHY
> > +       tristate "NXP C45 PHYs"
> 
> This is also very vague. So in the future it will support PHYs other
> than the TJA series?
Yes, in the future this driver will support other PHYs too.
> 
>      Andrew