OMAP CONTROL USB Driver

modulename: phy-omap-control.ko

configname: CONFIG_OMAP_CONTROL_USB

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB Physical Layer drivers
└─>OMAP CONTROL USB Driver
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Enable this to add support for the USB part present in the control
module. This driver has API to power on the USB2 PHY and to write to
the mailbox. The mailbox is present only in omap4 and the register to
power on the USB2 PHY is present in OMAP4 and OMAP5. OMAP5 has an
additional register to power on USB3 PHY.

source code: