CONFIG_USB_ULPI_VIEWPORT (not configurable)
modulename: ulpi_viewport.ko
configname: CONFIG_USB_ULPI_VIEWPORT
Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB Gadget Support
└─>USB_ULPI_VIEWPORT
In linux kernel since version 2.6.39 (release Date: 2011-05-18)
Provides read/write operations to the ULPI phy register set for
controllers with a viewport register (e.g. Chipidea/ARC controllers).
controllers with a viewport register (e.g. Chipidea/ARC controllers).