built-in with usb ip or which are autonomous and doesn't require any
phy programming such as ISP1x04 etc.
+config USB_LANGWELL_OTG
+ tristate "Intel Langwell USB OTG dual-role support"
+ depends on USB && PCI && INTEL_SCU_IPC
+ select USB_OTG
+ select USB_OTG_UTILS
+ help
+ Say Y here if you want to build Intel Langwell USB OTG
+ transciever driver in kernel. This driver implements role
+ switch between EHCI host driver and Langwell USB OTG
+ client driver.
+
+ To compile this driver as a module, choose M here: the
+ module will be called langwell_otg.
+
endif # USB || OTG