linux/Documentation/devicetree/bindings/interrupt-controller/abilis,tb10x-ictl.txt
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   1TB10x Top Level Interrupt Controller
   2====================================
   3
   4The Abilis TB10x SOC contains a custom interrupt controller. It performs
   5one-to-one mapping of external interrupt sources to CPU interrupts and
   6provides support for reconfigurable trigger modes.
   7
   8Required properties
   9-------------------
  10
  11- compatible: Should be "abilis,tb10x-ictl"
  12- reg: specifies physical base address and size of register range.
  13- interrupt-congroller: Identifies the node as an interrupt controller.
  14- #interrupt cells: Specifies the number of cells used to encode an interrupt
  15  source connected to this controller. The value shall be 2.
  16- interrupt-parent: Specifies the parent interrupt controller.
  17- interrupts: Specifies the list of interrupt lines which are handled by
  18  the interrupt controller in the parent controller's notation. Interrupts
  19  are mapped one-to-one to parent interrupts.
  20
  21Example
  22-------
  23
  24intc: interrupt-controller {    /* Parent interrupt controller */
  25        interrupt-controller;
  26        #interrupt-cells = <1>; /* For example below */
  27        /* ... */
  28};
  29
  30tb10x_ictl: pic@2000 {          /* TB10x interrupt controller */
  31        compatible = "abilis,tb10x-ictl";
  32        reg = <0x2000 0x20>;
  33        interrupt-controller;
  34        #interrupt-cells = <2>;
  35        interrupt-parent = <&intc>;
  36        interrupts = <5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
  37                        20 21 22 23 24 25 26 27 28 29 30 31>;
  38};
  39