Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#"
   5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   6
   7 title: Loongson PCH PIC Controller
   8
   9 maintainers:
  10   - Jiaxun Yang <jiaxun.yang@flygoat.com>
  11
  12 description:
  13   This interrupt controller is found in the Loongson LS7A family of PCH for
  14   transforming interrupts from on-chip devices into HyperTransport vectorized
  15   interrupts.
  16
  17 properties:
  18   compatible:
  19     const: loongson,pch-pic-1.0
  20
  21   reg:
  22     maxItems: 1
  23
  24   loongson,pic-base-vec:
  25     description:
  26       u32 value of the base of parent HyperTransport vector allocated
  27       to PCH PIC.
  28     $ref: "/schemas/types.yaml#/definitions/uint32"
  29     minimum: 0
  30     maximum: 192
  31
  32   interrupt-controller: true
  33
  34   '#interrupt-cells':
  35     const: 2
  36
  37 required:
  38   - compatible
  39   - reg
  40   - loongson,pic-base-vec
  41   - interrupt-controller
  42   - '#interrupt-cells'
  43
  44 examples:
  45   - |
  46     #include <dt-bindings/interrupt-controller/irq.h>
  47     pic: interrupt-controller@10000000 {
  48       compatible = "loongson,pch-pic-1.0";
  49       reg = <0x10000000 0x400>;
  50       interrupt-controller;
  51       #interrupt-cells = <2>;
  52       loongson,pic-base-vec = <64>;
  53       interrupt-parent = <&htvec>;
  54     };
  55 ...