Documentation/devicetree/bindings/pinctrl/intel,pinctrl-keembay.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pinctrl/intel,pinctrl-keembay.yaml
Extension
.yaml
Size
3614 bytes
Lines
137
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

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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/intel,pinctrl-keembay.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Intel Keem Bay pin controller

maintainers:
  - Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>

description: |
  Intel Keem Bay SoC integrates a pin controller which enables control
  of pin directions, input/output values and configuration
  for a total of 80 pins.

properties:
  compatible:
    const: intel,keembay-pinctrl

  reg:
    maxItems: 2

  gpio-controller: true

  '#gpio-cells':
    const: 2

  ngpios:
    description: The number of GPIOs exposed.
    const: 80

  interrupts:
    description:
      Specifies the interrupt lines to be used by the controller.
      Each interrupt line is shared by up to 4 GPIO lines.
    maxItems: 8

  interrupt-controller: true

  '#interrupt-cells':
    const: 2

patternProperties:
  '^gpio@[0-9a-f]*$':
    type: object
    additionalProperties: false

    description:
      Child nodes can be specified to contain pin configuration information,
      which can then be utilized by pinctrl client devices.
      The following properties are supported.

    properties:
      pins:
        description: |
          The name(s) of the pins to be configured in the child node.
          Supported pin names are "GPIO0" up to "GPIO79".

      bias-disable: true

      bias-pull-down: true

      bias-pull-up: true

      drive-strength:
        description: IO pads drive strength in milli Ampere.
        enum: [2, 4, 8, 12]

      bias-bus-hold:

Annotation

Implementation Notes