From ad764c49f65ac171e493e6baf39bc8ba296ef376 Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Tue, 16 Aug 2016 17:33:25 +0800 Subject: 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 Acked-by: Heikki Krogerus Signed-off-by: Greg Kroah-Hartman --- drivers/usb/Kconfig | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers/usb/Kconfig') 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 -- cgit v1.2.3