Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml
Extension
.yaml
Size
2613 bytes
Lines
102
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.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/socionext,uniphier-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: UniPhier GPIO controller

maintainers:
  - Masahiro Yamada <yamada.masahiro@socionext.com>

properties:
  $nodename:
    pattern: "^gpio@[0-9a-f]+$"

  compatible:
    const: socionext,uniphier-gpio

  reg:
    maxItems: 1

  gpio-controller: true

  "#gpio-cells":
    const: 2

  interrupt-controller: true

  "#interrupt-cells":
    description: |
      The first cell defines the interrupt number.
      The second cell bits[3:0] is used to specify trigger type as follows:
        1 = low-to-high edge triggered
        2 = high-to-low edge triggered
        4 = active high level-sensitive
        8 = active low level-sensitive
      Valid combinations are 1, 2, 3, 4, 8.
    const: 2

  ngpios:
    minimum: 0
    maximum: 512

  gpio-ranges: true

  gpio-ranges-group-names: true

  socionext,interrupt-ranges:
    description: |
      Specifies an interrupt number mapping between this GPIO controller and
      its interrupt parent, in the form of arbitrary number of
      <child-interrupt-base parent-interrupt-base length> triplets.
    $ref: /schemas/types.yaml#/definitions/uint32-matrix

patternProperties:
  "^.+-hog(-[0-9]+)?$":
    type: object
    required:
      - gpio-hog

required:
  - compatible
  - reg
  - gpio-controller
  - "#gpio-cells"
  - interrupt-controller
  - "#interrupt-cells"
  - ngpios
  - gpio-ranges
  - socionext,interrupt-ranges

Annotation

Implementation Notes