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

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
Extension
.yaml
Size
2255 bytes
Lines
128
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-zynq.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Xilinx Zynq GPIO controller

maintainers:
  - Michal Simek <michal.simek@amd.com>

properties:
  compatible:
    enum:
      - xlnx,eio-gpio-1.0
      - xlnx,pmc-gpio-1.0
      - xlnx,versal-gpio-1.0
      - xlnx,zynq-gpio-1.0
      - xlnx,zynqmp-gpio-1.0

  reg:
    maxItems: 1

  "#gpio-cells":
    const: 2

  interrupts:
    maxItems: 1

  gpio-controller: true

  gpio-line-names:
    description: strings describing the names of each gpio line
    minItems: 52
    maxItems: 174

  interrupt-controller: true

  "#interrupt-cells":
    const: 2

  clocks:
    maxItems: 1

  power-domains:
    maxItems: 1

allOf:
  - if:
      properties:
        compatible:
          enum:
            - xlnx,zynqmp-gpio-1.0
    then:
      properties:
        gpio-line-names:
          minItems: 174
          maxItems: 174

  - if:
      properties:
        compatible:
          enum:
            - xlnx,zynq-gpio-1.0
    then:
      properties:
        gpio-line-names:
          minItems: 118
          maxItems: 118

Annotation

Implementation Notes