Greybus SDIO Bridged PHY driver

modulename: gb-sdio.ko

configname: CONFIG_GREYBUS_SDIO

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Greybus support
└─>Greybus Bridged PHY Class drivers
└─>MMC/SD/SDIO card support
└─>Greybus SDIO Bridged PHY driver
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Select this option if you have a device that follows the
Greybus SDIO Bridged PHY Class specification.

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

source code: