Documentation/devicetree/bindings/pinctrl/amlogic,pinctrl-a4.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pinctrl/amlogic,pinctrl-a4.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pinctrl/amlogic,pinctrl-a4.yaml
Extension
.yaml
Size
3076 bytes
Lines
141
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/pinctrl/amlogic,pinctrl-a4.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic pinmux controller

maintainers:
  - Xianwei Zhao <xianwei.zhao@amlogic.com>

allOf:
  - $ref: pinctrl.yaml#

properties:
  compatible:
    oneOf:
      - enum:
          - amlogic,pinctrl-a4
          - amlogic,pinctrl-a9
          - amlogic,pinctrl-s6
          - amlogic,pinctrl-s7
      - items:
          - enum:
              - amlogic,pinctrl-a5
          - const: amlogic,pinctrl-a4
      - items:
          - enum:
              - amlogic,pinctrl-s7d
          - const: amlogic,pinctrl-s7

  "#address-cells":
    const: 2

  "#size-cells":
    const: 2

  ranges: true

patternProperties:
  "^gpio@[0-9a-f]+$":
    type: object

    additionalProperties: false
    properties:
      reg:
        minItems: 1
        items:
          - description: pin config register
          - description: pin mux setting register (some special pin fixed function)
          - description: pin drive strength register (optional)

      reg-names:
        minItems: 1
        items:
          - const: gpio
          - const: mux
          - const: ds

      gpio-controller: true

      "#gpio-cells":
        const: 2

      gpio-ranges:
        maxItems: 1

    required:
      - reg
      - reg-names

Annotation

Implementation Notes