1 Allwinner Sunxi Interrupt Controller
5 - compatible : should be "allwinner,sun4i-ic"
6 - reg : Specifies base physical address and size of the registers.
7 - interrupt-controller : Identifies the node as an interrupt controller
8 - #interrupt-cells : Specifies the number of cells needed to encode an
9 interrupt source. The value shall be 1.
13 intc: interrupt-controller {
14 compatible = "allwinner,sun4i-ic";
15 reg = <0x01c20400 0x400>;
17 #interrupt-cells = <1>;