1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#"
5*4882a593Smuzhiyun$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Loongson PCH PIC Controller
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Jiaxun Yang <jiaxun.yang@flygoat.com>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyundescription:
13*4882a593Smuzhiyun  This interrupt controller is found in the Loongson LS7A family of PCH for
14*4882a593Smuzhiyun  transforming interrupts from on-chip devices into HyperTransport vectorized
15*4882a593Smuzhiyun  interrupts.
16*4882a593Smuzhiyun
17*4882a593Smuzhiyunproperties:
18*4882a593Smuzhiyun  compatible:
19*4882a593Smuzhiyun    const: loongson,pch-pic-1.0
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun  reg:
22*4882a593Smuzhiyun    maxItems: 1
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun  loongson,pic-base-vec:
25*4882a593Smuzhiyun    description:
26*4882a593Smuzhiyun      u32 value of the base of parent HyperTransport vector allocated
27*4882a593Smuzhiyun      to PCH PIC.
28*4882a593Smuzhiyun    $ref: "/schemas/types.yaml#/definitions/uint32"
29*4882a593Smuzhiyun    minimum: 0
30*4882a593Smuzhiyun    maximum: 192
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun  interrupt-controller: true
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  '#interrupt-cells':
35*4882a593Smuzhiyun    const: 2
36*4882a593Smuzhiyun
37*4882a593Smuzhiyunrequired:
38*4882a593Smuzhiyun  - compatible
39*4882a593Smuzhiyun  - reg
40*4882a593Smuzhiyun  - loongson,pic-base-vec
41*4882a593Smuzhiyun  - interrupt-controller
42*4882a593Smuzhiyun  - '#interrupt-cells'
43*4882a593Smuzhiyun
44*4882a593SmuzhiyunadditionalProperties: false
45*4882a593Smuzhiyun
46*4882a593Smuzhiyunexamples:
47*4882a593Smuzhiyun  - |
48*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/irq.h>
49*4882a593Smuzhiyun    pic: interrupt-controller@10000000 {
50*4882a593Smuzhiyun      compatible = "loongson,pch-pic-1.0";
51*4882a593Smuzhiyun      reg = <0x10000000 0x400>;
52*4882a593Smuzhiyun      interrupt-controller;
53*4882a593Smuzhiyun      #interrupt-cells = <2>;
54*4882a593Smuzhiyun      loongson,pic-base-vec = <64>;
55*4882a593Smuzhiyun      interrupt-parent = <&htvec>;
56*4882a593Smuzhiyun    };
57*4882a593Smuzhiyun...
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