Greybus Bridged PHY Class drivers

modulename: gb-gbphy.ko

configname: CONFIG_GREYBUS_BRIDGED_PHY

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Greybus support
└─>Greybus Bridged PHY Class drivers
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Select this option to pick from a variety of Greybus Bridged
PHY class drivers. These drivers emulate a number of
different "traditional" busses by tunneling them over Greybus.
Examples of this include serial, SPI, USB, and others.

To compile this code as a module, chose M here: the module
will be called gb-phy.ko

source code: