Documentation/devicetree/bindings/pinctrl/mediatek,mt7620-pinctrl.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pinctrl/mediatek,mt7620-pinctrl.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pinctrl/mediatek,mt7620-pinctrl.yaml
Extension
.yaml
Size
6938 bytes
Lines
299
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-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/mediatek,mt7620-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MediaTek MT7620 Pin Controller

maintainers:
  - Arınç ÜNAL <arinc.unal@arinc9.com>
  - Sergio Paracuellos <sergio.paracuellos@gmail.com>

description: |
  MediaTek MT7620 pin controller for MT7620 SoC.
  The pin controller can only set the muxing of pin groups. Muxing individual
  pins is not supported. There is no pinconf support.

properties:
  compatible:
    const: ralink,mt7620-pinctrl

patternProperties:
  '-pins$':
    type: object
    additionalProperties: false

    patternProperties:
      '^(.*-)?pinmux$':
        type: object
        description: node for pinctrl.
        $ref: pinmux-node.yaml#
        additionalProperties: false

        properties:
          function:
            description:
              A string containing the name of the function to mux to the group.
            enum: [ephy, gpio, gpio i2s, gpio uartf, i2c, i2s uartf, mdio, nand,
                   pa, pcie refclk, pcie rst, pcm gpio, pcm i2s, pcm uartf,
                   refclk, rgmii1, rgmii2, sd, spi, spi refclk, uartf, uartlite,
                   wdt refclk, wdt rst, wled]

          groups:
            description:
              An array of strings. Each string contains the name of a group.
            maxItems: 1

        required:
          - groups
          - function

        allOf:
          - if:
              properties:
                function:
                  const: ephy
            then:
              properties:
                groups:
                  enum: [ephy]

          - if:
              properties:
                function:
                  const: gpio
            then:
              properties:
                groups:
                  enum: [ephy, i2c, mdio, nd_sd, pa, pcie, rgmii1, rgmii2, spi,
                         spi refclk, uartf, uartlite, wdt, wled]

Annotation

Implementation Notes