DRA7x
Should be "ti,dra7x-usb2-phy2" for the 2nd instance of USB2 PHY
in DRA7x
+ Should be "ti,am654-usb2" for the USB2 PHYs on AM654.
- reg : Address and length of the register set for the device.
- #phy-cells: determine the number of cells that should be given in the
phandle while referencing this phy.