Documentation/devicetree/bindings/interrupt-controller/sigma,smp8642-intc.txt

   1 Sigma Designs SMP86xx/SMP87xx secondary interrupt controller
   2
   3 Required properties:
   4 - compatible: should be "sigma,smp8642-intc"
   5 - reg: physical address of MMIO region
   6 - ranges: address space mapping of child nodes
   7 - interrupt-parent: phandle of parent interrupt controller
   8 - interrupt-controller: boolean
   9 - #address-cells: should be <1>
  10 - #size-cells: should be <1>
  11
  12 One child node per control block with properties:
  13 - reg: address of registers for this control block
  14 - interrupt-controller: boolean
  15 - #interrupt-cells: should be <2>, interrupt index and flags per interrupts.txt
  16 - interrupts: interrupt spec of primary interrupt controller
  17
  18 Example:
  19
  20 interrupt-controller@6e000 {
  21         compatible = "sigma,smp8642-intc";
  22         reg = <0x6e000 0x400>;
  23         ranges = <0x0 0x6e000 0x400>;
  24         interrupt-parent = <&gic>;
  25         interrupt-controller;
  26         #address-cells = <1>;
  27         #size-cells = <1>;
  28
  29         irq0: interrupt-controller@0 {
  30                 reg = <0x000 0x100>;
  31                 interrupt-controller;
  32                 #interrupt-cells = <2>;
  33                 interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
  34         };
  35
  36         irq1: interrupt-controller@100 {
  37                 reg = <0x100 0x100>;
  38                 interrupt-controller;
  39                 #interrupt-cells = <2>;
  40                 interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
  41         };
  42
  43         irq2: interrupt-controller@300 {
  44                 reg = <0x300 0x100>;
  45                 interrupt-controller;
  46                 #interrupt-cells = <2>;
  47                 interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
  48         };
  49 };