4 - compatible : "actions,s500-uart", "actions,owl-uart" for S500
5 "actions,s900-uart", "actions,owl-uart" for S900
6 - reg : Offset and length of the register set for the device.
7 - interrupts : Should contain UART interrupt.
12 uart3: serial@b0126000 {
13 compatible = "actions,s500-uart", "actions,owl-uart";
14 reg = <0xb0126000 0x1000>;
15 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;