menuconfig LOTUS_USB bool "LOTUS USB support" default y select CMD_USB select USB help LOTUS USB support. if LOTUS_USB config USB_PWREN_OFF_DELAY int "usb port power off delay(ms)" default 100 help Some usb device can't be recognize in U-boot because of error state, so we power off them and wait a delay to restart them, we call the delay as USB_PWREN_OFF_DELAY. config USB_DUAL_PORT_SUPPORT bool "support dual-usb-port(U2 & U3) in host mode" default n help Some lotus chips support 2 usb host ports, contains U2 and U3. If your chip support 2 ports, enable this config could recognize U3 and U2 dev meanwhile, but cause to U3 couldn't be recognized sometimes. endif