0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#"
0005 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0006
0007 title: Loongson PCH PIC Controller
0008
0009 maintainers:
0010 - Jiaxun Yang <jiaxun.yang@flygoat.com>
0011
0012 description:
0013 This interrupt controller is found in the Loongson LS7A family of PCH for
0014 transforming interrupts from on-chip devices into HyperTransport vectorized
0015 interrupts.
0016
0017 properties:
0018 compatible:
0019 const: loongson,pch-pic-1.0
0020
0021 reg:
0022 maxItems: 1
0023
0024 loongson,pic-base-vec:
0025 description:
0026 u32 value of the base of parent HyperTransport vector allocated
0027 to PCH PIC.
0028 $ref: "/schemas/types.yaml#/definitions/uint32"
0029 minimum: 0
0030 maximum: 192
0031
0032 interrupt-controller: true
0033
0034 '#interrupt-cells':
0035 const: 2
0036
0037 required:
0038 - compatible
0039 - reg
0040 - loongson,pic-base-vec
0041 - interrupt-controller
0042 - '#interrupt-cells'
0043
0044 additionalProperties: false
0045
0046 examples:
0047 - |
0048 #include <dt-bindings/interrupt-controller/irq.h>
0049 pic: interrupt-controller@10000000 {
0050 compatible = "loongson,pch-pic-1.0";
0051 reg = <0x10000000 0x400>;
0052 interrupt-controller;
0053 #interrupt-cells = <2>;
0054 loongson,pic-base-vec = <64>;
0055 interrupt-parent = <&htvec>;
0056 };
0057 ...
