linux/Documentation/devicetree/bindings/serial/samsung_uart.txt
<<
>>
Prefs
   1* Samsung's UART Controller
   2
   3The Samsung's UART controller is used for interfacing SoC with serial communicaion
   4devices.
   5
   6Required properties:
   7- compatible: should be
   8  - "samsung,exynos4210-uart", for UART's compatible with Exynos4210 uart ports.
   9
  10- reg: base physical address of the controller and length of memory mapped
  11  region.
  12
  13- interrupts: interrupt number to the cpu. The interrupt specifier format depends
  14  on the interrupt controller parent.
  15