Support for Freescale on-chip EHCI USB controller

modulename: ehci.ko

and/or

ehci-mxc.ko

configname: CONFIG_USB_EHCI_MXC

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>Support for Freescale on-chip EHCI USB controller
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
Variation of ARC USB block used in some Freescale chips.

source code:
arch/arm/plat-mxc/ehci.c