usb: max3420: add the gadget driver
MAX3420 implements FullSpeed USB Device over SPI.
Another version MAX3421, also implements USB Host mode.
This driver should be good for the device mode of max3421 as well.
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 46aa3fe..7c0df5c 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -105,6 +105,12 @@
Say Y here to enable device controller functionality of the
ChipIdea driver.
+config USB_GADGET_MAX3420
+ bool "MAX3420 USB Over SPI"
+ depends on DM_SPI
+ help
+ MAX3420, from MAXIM, implements USB-over-SPI Full-Speed device controller.
+
config USB_GADGET_VBUS_DRAW
int "Maximum VBUS Power usage (2-500 mA)"
range 2 500