Re: [PATCH net-next v3 5/5] net: phy: maxio: add support for -Q2C variant
From: Andrew Lunn
Date: Sun Sep 27 2026 - 13:31:39 EST
On Sun, Sep 27, 2026 at 12:56:25AM +0200, Andre Przywara wrote:
> Currently the maxio Ethernet PHY driver expects a Maxio MAE0621A-Q3C PHY
> matching exactly the one ID provided: 0x7b744412. There exist an earlier
> variant of the PHY, still used on some devices, its label differs by using
> the -Q2C suffix, and its PHY ID is 0x7b744411.
>
> Some vendor drivers floating around in the web suggest they are somewhat
> different, although for now this driver does not deal with any of those
> registers, and the 125M clock switch is identical between the two.
> Nevertheless prepare for future driver divergence by describing two
> drivers, although using the same functions for now.
>
> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Andrew