Documentation/devicetree/bindings/gpio/gpio-ep9301.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/gpio/gpio-ep9301.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/gpio/gpio-ep9301.yaml
Extension
.yaml
Size
3602 bytes
Lines
158
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 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/gpio-ep9301.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: EP93xx GPIO controller

maintainers:
  - Linus Walleij <linusw@kernel.org>
  - Bartosz Golaszewski <brgl@bgdev.pl>
  - Nikita Shubin <nikita.shubin@maquefel.me>

properties:
  compatible:
    oneOf:
      - const: cirrus,ep9301-gpio
      - items:
          - enum:
              - cirrus,ep9302-gpio
              - cirrus,ep9307-gpio
              - cirrus,ep9312-gpio
              - cirrus,ep9315-gpio
          - const: cirrus,ep9301-gpio

  reg:
    minItems: 2
    items:
      - description: data register
      - description: direction register
      - description: interrupt registers base

  reg-names:
    minItems: 2
    items:
      - const: data
      - const: dir
      - const: intr

  gpio-controller: true

  gpio-ranges: true

  "#gpio-cells":
    const: 2

  interrupt-controller: true

  "#interrupt-cells":
    const: 2

  interrupts:
    oneOf:
      - maxItems: 1
      - description: port F has dedicated irq line for each gpio line
        maxItems: 8

required:
  - compatible
  - reg
  - gpio-controller
  - "#gpio-cells"

additionalProperties: false

examples:
  - |
    gpio@80840000 {
      compatible = "cirrus,ep9301-gpio";
      reg = <0x80840000 0x04>,

Annotation

Implementation Notes