Merge remote-tracking branch 'usb/usb-next'

[deliverable/linux.git] / drivers / usb / Kconfig

diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index 8689dcba5201b9311a9177515f78a78b7a6a24b0..2b9159a9ab4fc5b93d383dfce67f8e1b9c6e4b7b 100644 (file)
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -160,4 +160,25 @@ config USB_LED_TRIG
          LEDs and you want to use them as activity indicators for USB host or
          gadget.
 
+config USB_ULPI_BUS
+       tristate "USB ULPI PHY interface support"
+       depends on USB_COMMON
+       help
+         UTMI+ Low Pin Interface (ULPI) is specification for a commonly used
+         USB 2.0 PHY interface. The ULPI specification defines a standard set
+         of registers that can be used to detect the vendor and product which
+         allows ULPI to be handled as a bus. This module is the driver for that
+         bus.
+
+         The ULPI interfaces (the buses) are registered by the drivers for USB
+         controllers which support ULPI register access and have ULPI PHY
+         attached to them. The ULPI PHY drivers themselves are normal PHY
+         drivers.
+
+         ULPI PHYs provide often functions such as ADP sensing/probing (OTG
+         protocol) and USB charger detection.
+
+         To compile this driver as a module, choose M here: the module will
+         be called ulpi.
+
 endif # USB_SUPPORT