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

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/gpio/gpio-davinci.yaml
Extension
.yaml
Size
5599 bytes
Lines
188
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/gpio-davinci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: GPIO controller for Davinci and keystone devices

maintainers:
  - Keerthy <j-keerthy@ti.com>

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - ti,k2g-gpio
              - ti,am654-gpio
              - ti,j721e-gpio
              - ti,am64-gpio
          - const: ti,keystone-gpio

      - items:
          - enum:
              - ti,dm6441-gpio
              - ti,keystone-gpio

  reg:
    maxItems: 1

  gpio-controller: true

  gpio-ranges: true

  gpio-reserved-ranges: true

  gpio-line-names:
    description: strings describing the names of each gpio line.
    minItems: 1
    maxItems: 144

  "#gpio-cells":
    const: 2
    description:
      first cell is the pin number and second cell is used to specify optional parameters (unused).

  interrupts:
    description:
      The interrupts are specified as per the interrupt parent. Only banked
      or unbanked IRQs are supported at a time. If the interrupts are
      banked then provide list of interrupts corresponding to each bank, else
      provide the list of interrupts for each gpio.
    minItems: 1
    maxItems: 100

  ti,ngpio:
    $ref: /schemas/types.yaml#/definitions/uint32
    description: The number of GPIO pins supported consecutively.
    minimum: 1

  ti,davinci-gpio-unbanked:
    $ref: /schemas/types.yaml#/definitions/uint32
    description: The number of GPIOs that have an individual interrupt line to processor.
    minimum: 0

  clocks:
    maxItems: 1

  clock-names:
    const: gpio

Annotation

Implementation Notes