diff options
Diffstat (limited to 'drivers/usb/Kconfig')
| -rw-r--r-- | drivers/usb/Kconfig | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 8689dcba5201..644e978cbd3e 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -152,7 +152,8 @@ source "drivers/usb/gadget/Kconfig" config USB_LED_TRIG bool "USB LED Triggers" - depends on LEDS_CLASS && USB_COMMON && LEDS_TRIGGERS + depends on LEDS_CLASS && LEDS_TRIGGERS + select USB_COMMON help This option adds LED triggers for USB host and/or gadget activity. @@ -160,4 +161,25 @@ 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" + select 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 |