diff options
| author | Peter Chen <peter.chen@nxp.com> | 2016-08-16 17:33:25 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-09 14:13:23 +0200 |
| commit | ad764c49f65ac171e493e6baf39bc8ba296ef376 (patch) | |
| tree | dd185cb191583b5cc9e46f7bbd07017d3f4bc1cc /drivers/usb/Kconfig | |
| parent | 9b0dd49e3565ddc71346ba7d57079ee6233d0780 (diff) | |
usb: Kconfig: move ulpi bus support out of host
The ULPI bus is not only for host, but for device mode too, so move
it out from host's Kconfig.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/Kconfig')
| -rw-r--r-- | drivers/usb/Kconfig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 8689dcba5201..6dfa10af7185 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -160,4 +160,24 @@ 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" + 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 |