1* Energymicro efm32 UART
2
3Required properties:
4- compatible : Should be "energymicro,efm32-uart"
5- reg : Address and length of the register set
6- interrupts : Should contain uart interrupt
7
8Optional properties:
9- energymicro,location : Decides the location of the USART I/O pins.
10  Allowed range : [0 .. 5]
11  Default: 0
12
13Example:
14
15uart@0x4000c400 {
16	compatible = "energymicro,efm32-uart";
17	reg = <0x4000c400 0x400>;
18	interrupts = <15>;
19	energymicro,location = <0>;
20};
21