Sigma Designs SMP86xx/SMP87xx secondary interrupt controller Required properties: - compatible: should be "sigma,smp8642-intc" - reg: physical address of MMIO region - ranges: address space mapping of child nodes - interrupt-controller: boolean - #address-cells: should be <1> - #size-cells: should be <1> One child node per control block with properties: - reg: address of registers for this control block - interrupt-controller: boolean - #interrupt-cells: should be <2>, interrupt index and flags per interrupts.txt - interrupts: interrupt spec of primary interrupt controller Example: interrupt-controller@6e000 { compatible = "sigma,smp8642-intc"; reg = <0x6e000 0x400>; ranges = <0x0 0x6e000 0x400>; interrupt-parent = <&gic>; interrupt-controller; #address-cells = <1>; #size-cells = <1>; irq0: interrupt-controller@0 { reg = <0x000 0x100>; interrupt-controller; #interrupt-cells = <2>; interrupts = ; }; irq1: interrupt-controller@100 { reg = <0x100 0x100>; interrupt-controller; #interrupt-cells = <2>; interrupts = ; }; irq2: interrupt-controller@300 { reg = <0x300 0x100>; interrupt-controller; #interrupt-cells = <2>; interrupts = ; }; };