Marvell Berlin USB PHY Driver

modulename: phy-berlin-usb.ko

configname: CONFIG_PHY_BERLIN_USB

Linux Kernel Configuration
└─>Device Drivers
└─>PHY Subsystem
└─>Device Tree and Open Firmware support
└─>Reset Controller Support
└─>Marvell Berlin USB PHY Driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enable this to support the USB PHY on Marvell Berlin SoCs.

source code:
drivers/phy/marvell//phy-berlin-usb.c