Kernel-4.18.0-80.el8_ciu2

• Central Interrupt Unit

Properties:

• compatible: “cavium,octeon-6880-ciu2”

  Compatibility with 68XX SOCs.

• interrupt-controller: This is an interrupt controller.

• reg: The base address of the CIU’s register bank.

• #interrupt-cells: Must be <2>. The first cell is the bank within
  the CIU and may have a value between 0 and 63. The second cell is
  the bit within the bank and may also have a value between 0 and 63.

Example:
interrupt-controller@1070100000000 {
compatible = “cavium,octeon-6880-ciu2”;
interrupt-controller;
/* Interrupts are specified by two parts:
* 1) Controller register (0..63)
* 2) Bit within the register (0..63)
*/
#address-cells = <0>;
#interrupt-cells = <2>;
reg = <0x10701 0x00000000 0x0 0x4000000>;
};