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