USB Host

configname: CONFIG_USB_MUSB_HOST

Driver Mode
└─>USB Host
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Say Y here if your system supports the USB host role.
If it has a USB "A" (rectangular), "Mini-A" (uncommon),
or "Mini-AB" connector, it supports the host role.
(With a "Mini-AB" connector, you should enable USB OTG.)

depends
CONFIG_USB

is selected by
CONFIG_USB_MUSB_HDRC_HCD