config USB_MTK_HDRC tristate "MediaTek MUSB support" select USB_GADGET_SELECTED select USB_GADGET_DUALSPEED default y help Say Y here if your system has a high speed USB controller based on the MTK MUSB IP. Then configure options to match your silicon and the board it's being used with, including the USB peripheral role, or the USB host role, or both. config MTK_MUSB_QMU_SUPPORT bool "QMU Transfer mode of MediaTek MUSB" default n help Say Y here if your system has a QMU capability for USB controller based on the MTK MUSB IP. QMU is some kind of enhanced DMA mode by HW queeu rather than SW queue to reduce SW effort. config USB_MTK_OTG tristate "MediaTek MUSB OTG support" help Enable Mediatek USB Host OTG detection mechanism and USB-IF Compliance Test Program. 1. IDDIG - OTG cable attachment detection. 2. DRVVBUS - provides the VBUS for the attached devices config MTK_UART_USB_SWITCH bool "MTK_UART_USB_SWITCH" default n help This is a feature for debugging purpose. It uses the USB TX/RX as UART TX/RX. A USB to UART cable is needed to use this feature. Using the UI in the EngineerMode to switch between USB and UART mode. After switching to UART mode and connect to the PC with a USB to UART cable, you can connect to a Virtual COM port on the PC and get the log output to the UART console.