+- reg: Specifies the base physical addresses and size of the registers.
+- interrupt-controller: identifies the node as an interrupt controller.
+- #interrupt-cells: Specifies the number of cells needed to encode an interrupt
+- reg: Specifies the base physical addresses and size of the registers.
+- interrupt-controller: identifies the node as an interrupt controller.
+- #interrupt-cells: Specifies the number of cells needed to encode an interrupt