Kernel-4.18.0-80.el8_allwinner,sun4i-ic

Allwinner Sunxi Interrupt Controller

Required properties:

• compatible : should be “allwinner,sun4i-a10-ic”
• reg : Specifies base physical address 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 source. The value shall be 1.

Example:

intc: interrupt-controller {
compatible = “allwinner,sun4i-a10-ic”;
reg = <0x01c20400 0x400>;
interrupt-controller;
#interrupt-cells = <1>;
};