Universal serial bus (USB)

The NXP i.MX6UL USB driver implements a standard Linux driver interface to the CHIPIDEA USB-HS On-The-Go (OTG) controller. The CHIPIDEA USB controller is enhanced host controller interface (EHCI) compliant.

On the ConnectCore 6UL SBC Express:

• USB1 and USB2 are available in USB host mode

On the ConnectCore 6UL SBC Pro:

• USB1 is available in USB OTG mode, as host or device, through a microUSB connector.
• USB2 is available in USB host mode and is connected via a hub to a stackable dual USB A-type connector.

Kernel configuration	CONFIG_USB_EHCI_HCD CONFIG_USB_MXS_PHY CONFIG_USB_CHIPIDEA CONFIG_USB_CHIPIDEA_HOST CONFIG_USB_CHIPIDEA_UDC
Kernel driver	drivers/usb/chipidea/ci_hdrc_imx.c drivers/usb/chipidea/usbmisc_imx.c drivers/usb/chipidea/core.c drivers/usb/chipidea/host.c drivers/usb/chipidea/udc.c
Device tree binding	Documentation/devicetree/bindings/usb/fsl-usb.txt