The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/interrupt-controller/abilis,tb10x-ictl.txt

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    1 TB10x Top Level Interrupt Controller
    2 ====================================
    3 
    4 The Abilis TB10x SOC contains a custom interrupt controller. It performs
    5 one-to-one mapping of external interrupt sources to CPU interrupts and
    6 provides support for reconfigurable trigger modes.
    7 
    8 Required 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 - interrupts: Specifies the list of interrupt lines which are handled by
   17   the interrupt controller in the parent controller's notation. Interrupts
   18   are mapped one-to-one to parent interrupts.
   19 
   20 Example
   21 -------
   22 
   23 intc: interrupt-controller {    /* Parent interrupt controller */
   24         interrupt-controller;
   25         #interrupt-cells = <1>; /* For example below */
   26         /* ... */
   27 };
   28 
   29 tb10x_ictl: pic@2000 {          /* TB10x interrupt controller */
   30         compatible = "abilis,tb10x-ictl";
   31         reg = <0x2000 0x20>;
   32         interrupt-controller;
   33         #interrupt-cells = <2>;
   34         interrupt-parent = <&intc>;
   35         interrupts = <5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
   36                         20 21 22 23 24 25 26 27 28 29 30 31>;
   37 };

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