Amlogic G12a based MDIO bus multiplexer

modulename: mdio-mux-meson-g12a.ko

configname: CONFIG_MDIO_BUS_MUX_MESON_G12A

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>MDIO bus device drivers
└─>Amlogic G12a based MDIO bus multiplexer
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This module provides a driver for the MDIO multiplexer/glue of
the amlogic g12a SoC. The multiplexers connects either the external
or the internal MDIO bus to the parent bus.

source code:
drivers/net/mdio/mdio-mux-meson-g12a.c