Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml
Extension
.yaml
Size
1629 bytes
Lines
68
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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Annotated Snippet

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A31 NMI/Wakeup Interrupt Controller

maintainers:
  - Chen-Yu Tsai <wens@csie.org>
  - Maxime Ripard <mripard@kernel.org>

allOf:
  - $ref: /schemas/interrupt-controller.yaml#

properties:
  "#interrupt-cells":
    const: 3
    description:
      The first cell is GIC_SPI (0), the second cell is the IRQ number, and
      the third cell is the trigger type as defined in interrupt.txt in this
      directory.

  compatible:
    oneOf:
      - const: allwinner,sun6i-a31-r-intc
      - items:
          - enum:
              - allwinner,sun8i-a83t-r-intc
              - allwinner,sun8i-h3-r-intc
              - allwinner,sun50i-a64-r-intc
          - const: allwinner,sun6i-a31-r-intc
      - const: allwinner,sun50i-h6-r-intc

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1
    description:
      The GIC interrupt labeled as "External NMI".

  interrupt-controller: true

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

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    r_intc: interrupt-controller@1f00c00 {
            compatible = "allwinner,sun50i-a64-r-intc",
                         "allwinner,sun6i-a31-r-intc";
            interrupt-controller;
            #interrupt-cells = <3>;
            reg = <0x01f00c00 0x400>;
            interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
    };

...

Annotation

Implementation Notes