TWL6030 USB Transceiver Driver

modulename: phy-twl6030-usb.ko

and/or

twl6030-usb.ko

configname: CONFIG_TWL6030_USB

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB Gadget Support
└─>TWL6030 USB Transceiver Driver
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
Enable this to support the USB OTG transceiver on TWL6030
family chips. This TWL6030 transceiver has the VBUS and ID GND
and OTG SRP events capabilities. For all other transceiver functionality
UTMI PHY is embedded in OMAP4430. The internal PHY configurations APIs
are hooked to this driver through platform_data structure.
The definition of internal PHY APIs are in the mach-omap2 layer.

source code: