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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Loongson PCH PIC Controller
maintainers:
- Jiaxun Yang <jiaxun.yang@flygoat.com>
description:
This interrupt controller is found in the Loongson LS7A family of PCH for
transforming interrupts from on-chip devices into HyperTransport vectorized
interrupts.
properties:
compatible:
const: loongson,pch-pic-1.0
reg:
maxItems: 1
loongson,pic-base-vec:
description:
u32 value of the base of parent HyperTransport vector allocated
to PCH PIC.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 192
interrupt-controller: true
'#interrupt-cells':
const: 2
required:
- compatible
- reg
- loongson,pic-base-vec
- interrupt-controller
- '#interrupt-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
pic: interrupt-controller@10000000 {
compatible = "loongson,pch-pic-1.0";
reg = <0x10000000 0x400>;
interrupt-controller;
#interrupt-cells = <2>;
loongson,pic-base-vec = <64>;
interrupt-parent = <&htvec>;
};
...
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