- reg-names: Contains the values "tx" and "rx" (in this order).
- reg: Contains a matching register specifier for each entry
in reg-names.
-- interrupt-parent Should be a phandle for the interrupt controller
- interrupts: Should contain interrupt specifiers for mpu interrupts
0 and 1 (in this order).
- ti,ssi-cawake-gpio: Defines which GPIO pin is used to signify CAWAKE