On Thu, Apr 08, 2021 at 10:52:34PM +0200, Sander Vanheule wrote:

Basic support for MIIM bus access. Support only includes clause-22
register access, with 5-bit addresses, and 16-bit wide registers.

What is "MIIM"?  A quick search isn't showing up useful hits for that.
Why not just call this MDIO like the rest of the kernel is doing, it
seems like using something else is at best going to make it harder to
discover this code?  If MIIM is some subset or something it's not
obvious how we're limited to that.