Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt

   1 ==============================
   2 C-SKY APB Interrupt Controller
   3 ==============================
   4
   5 C-SKY APB Interrupt Controller is a simple soc interrupt controller
   6 on the apb bus and we only use it as root irq controller.
   7
   8  - csky,apb-intc is used in a lot of csky fpgas and socs, it support 64 irq nums.
   9  - csky,dual-apb-intc consists of 2 apb-intc and 128 irq nums supported.
  10  - csky,gx6605s-intc is gx6605s soc internal irq interrupt controller, 64 irq nums.
  11
  12 =============================
  13 intc node bindings definition
  14 =============================
  15
  16         Description: Describes APB interrupt controller
  17
  18         PROPERTIES
  19
  20         - compatible
  21                 Usage: required
  22                 Value type: <string>
  23                 Definition: must be "csky,apb-intc"
  24                                     "csky,dual-apb-intc"
  25                                     "csky,gx6605s-intc"
  26         - #interrupt-cells
  27                 Usage: required
  28                 Value type: <u32>
  29                 Definition: must be <1>
  30         - reg
  31                 Usage: required
  32                 Value type: <u32 u32>
  33                 Definition: <phyaddr size> in soc from cpu view
  34         - interrupt-controller:
  35                 Usage: required
  36         - csky,support-pulse-signal:
  37                 Usage: select
  38                 Description: to support pulse signal flag
  39
  40 Examples:
  41 ---------
  42
  43         intc: interrupt-controller@500000 {
  44                 compatible = "csky,apb-intc";
  45                 #interrupt-cells = <1>;
  46                 reg = <0x00500000 0x400>;
  47                 interrupt-controller;
  48         };
  49
  50         intc: interrupt-controller@500000 {
  51                 compatible = "csky,dual-apb-intc";
  52                 #interrupt-cells = <1>;
  53                 reg = <0x00500000 0x400>;
  54                 interrupt-controller;
  55         };
  56
  57         intc: interrupt-controller@500000 {
  58                 compatible = "csky,gx6605s-intc";
  59                 #interrupt-cells = <1>;
  60                 reg = <0x00500000 0x400>;
  61                 interrupt-controller;
  62         };