xref: /linux/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml (revision 05909cd9a0c8811731b38697af13075e8954314f) 
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
7title: Loongson PCH PIC Controller
8
9maintainers:
10  - Jiaxun Yang <jiaxun.yang@flygoat.com>
11
12description:
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
17properties:
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
37required:
38  - compatible
39  - reg
40  - loongson,pic-base-vec
41  - interrupt-controller
42  - '#interrupt-cells'
43
44examples:
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...
56