Marvell USB to MDIO Adapter

modulename: mdio-mvusb.ko

configname: CONFIG_MDIO_MVUSB

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>MDIO bus device drivers
└─>Marvell USB to MDIO Adapter
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
A USB to MDIO converter present on development boards for
Marvell's Link Street family of Ethernet switches.

source code:
drivers/net/mdio/mdio-mvusb.c