xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/loongson,htvec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Loongson-3 HyperTransport Interrupt Vector Controller

maintainers:
  - Jiaxun Yang <jiaxun.yang@flygoat.com>

description:
  This interrupt controller is found in the Loongson-3 family of chips for
  receiving vectorized interrupts from PCH's interrupt controller.

properties:
  compatible:
    const: loongson,htvec-1.0

  reg:
    maxItems: 1

  interrupts:
    minItems: 1
    maxItems: 8
    description: Eight parent interrupts that receive chained interrupts.

  interrupt-controller: true

  '#interrupt-cells':
    const: 1

required:
  - compatible
  - reg
  - interrupts
  - interrupt-controller
  - '#interrupt-cells'

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    htvec: interrupt-controller@fb000080 {
      compatible = "loongson,htvec-1.0";
      reg = <0xfb000080 0x40>;
      interrupt-controller;
      #interrupt-cells = <1>;

      interrupt-parent = <&liointc>;
      interrupts = <24 IRQ_TYPE_LEVEL_HIGH>,
                    <25 IRQ_TYPE_LEVEL_HIGH>,
                    <26 IRQ_TYPE_LEVEL_HIGH>,
                    <27 IRQ_TYPE_LEVEL_HIGH>;
    };
...