Documentation/devicetree/bindings/pinctrl/canaan,k230-pinctrl.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pinctrl/canaan,k230-pinctrl.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pinctrl/canaan,k230-pinctrl.yaml
Extension
.yaml
Size
3513 bytes
Lines
128
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

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Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/canaan,k230-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Canaan Kendryte K230 Pin Controller

maintainers:
  - Ze Huang <18771902331@163.com>

description:
  The Canaan Kendryte K230 platform includes 64 IO pins, each capable of
  multiplexing up to 5 different functions. Pin function configuration is
  performed on a per-pin basis.

properties:
  compatible:
    const: canaan,k230-pinctrl

  reg:
    maxItems: 1

patternProperties:
  '-pins$':
    type: object
    additionalProperties: false
    description:
      A pinctrl node should contain at least one subnode representing the
      pinctrl groups available on the machine.

    patternProperties:
      '-cfg$':
        type: object
        allOf:
          - $ref: /schemas/pinctrl/pincfg-node.yaml
          - $ref: /schemas/pinctrl/pinmux-node.yaml
        additionalProperties: false
        description:
          Each subnode will list the pins it needs, and how they should
          be configured, with regard to muxer configuration, bias, input
          enable/disable, input schmitt trigger, slew-rate enable/disable,
          slew-rate, drive strength.

        properties:
          pinmux:
            description:
              The list of GPIOs and their mux settings that properties in
              the node apply to. This should be set with the macro
              'K230_PINMUX(pin, mode)'

          bias-disable: true

          bias-pull-up: true

          bias-pull-down: true

          drive-strength:
            minimum: 0
            maximum: 15

          input-enable: true

          output-enable: true

          input-schmitt-enable: true

          slew-rate:
            description: |
              slew rate control enable

Annotation

Implementation Notes