Motorola Mapphone MDM6600 modem USB PHY driver

modulename: phy-mapphone-mdm6600.ko

configname: CONFIG_PHY_MAPPHONE_MDM6600

Linux Kernel Configuration
└─>Device Drivers
└─>PHY Subsystem
└─>Device Tree and Open Firmware support
└─>USB support
└─>GPIO Support
└─>Motorola Mapphone MDM6600 modem USB PHY driver
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Enable this for MDM6600 USB modem to work on Motorola phones
and tablets such as Droid 4.

source code: