FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/interrupt-controller/brcm,bcm3380-l2-intc.txt

     Broadcom BCM3380-style Level 1 / Level 2 interrupt controller
     
     This interrupt controller shows up in various forms on many BCM338x/BCM63xx
     chipsets.  It has the following properties:
     
     - outputs a single interrupt signal to its interrupt controller parent
     
     - contains one or more enable/status word pairs, which often appear at
       different offsets in different blocks
    
    - no atomic set/clear operations
    
    Required properties:
    
    - compatible: should be "brcm,bcm3380-l2-intc"
    - reg: specifies one or more enable/status pairs, in the following format:
      <enable_reg 0x4 status_reg 0x4>...
    - interrupt-controller: identifies the node as an interrupt controller
    - #interrupt-cells: specifies the number of cells needed to encode an interrupt
      source, should be 1.
    - interrupts: specifies the interrupt line in the interrupt-parent controller
      node, valid values depend on the type of parent interrupt controller
    
    Optional properties:
    
    - brcm,irq-can-wake: if present, this means the L2 controller can be used as a
      wakeup source for system suspend/resume.
    
    Example:
    
    irq0_intc: interrupt-controller@10000020 {
            compatible = "brcm,bcm3380-l2-intc";
            reg = <0x10000024 0x4 0x1000002c 0x4>,
                  <0x10000020 0x4 0x10000028 0x4>;
            interrupt-controller;
            #interrupt-cells = <1>;
            interrupt-parent = <&cpu_intc>;
            interrupts = <2>;
    };

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