TI dm816x USB PHY driver
modulename: phy-dm816x-usb.ko
configname: CONFIG_PHY_DM816X_USB
Linux Kernel Configuration
└─>Device Drivers
└─>PHY Subsystem
└─>USB support
└─>TI dm816x USB PHY driver
In linux kernel since version 3.10 (release Date: 2013-06-30)
Enable this for dm816x USB to work.