Support for Freescale PPC on-chip EHCI USB controller

modulename: fsl-mph-dr-of.ko

and/or

ehci-fsl.ko

configname: CONFIG_USB_EHCI_FSL

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>Support for Freescale PPC on-chip EHCI USB controller
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
Variation of ARC USB block used in some Freescale chips.