Documentation/devicetree/bindings/pinctrl/fsl,imx35-pinctrl.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pinctrl/fsl,imx35-pinctrl.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pinctrl/fsl,imx35-pinctrl.yaml
Extension
.yaml
Size
7246 bytes
Lines
186
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.

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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/fsl,imx35-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Freescale IMX35/IMX5x/IMX6 IOMUX Controller

maintainers:
  - Dong Aisheng <aisheng.dong@nxp.com>

description:
  Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
  for common binding part and usage.

allOf:
  - $ref: pinctrl.yaml#

properties:
  compatible:
    oneOf:
      - enum:
          - fsl,imx25-iomuxc
          - fsl,imx35-iomuxc
          - fsl,imx51-iomuxc
          - fsl,imx53-iomuxc
          - fsl,imx6dl-iomuxc
          - fsl,imx6q-iomuxc
          - fsl,imx6sl-iomuxc
          - fsl,imx6sll-iomuxc
          - fsl,imx6sx-iomuxc
          - fsl,imx6ul-iomuxc
          - fsl,imx6ull-iomuxc-snvs
      - items:
          - const: fsl,imx50-iomuxc
          - const: fsl,imx53-iomuxc

  reg:
    maxItems: 1

# Client device subnode's properties
patternProperties:
  'grp$':
    type: object
    description:
      Pinctrl node's client devices use subnodes for desired pin configuration.
      Client device subnodes use below standard properties.

    properties:
      fsl,pins:
        description:
          each entry consists of 6 integers and represents the mux and config
          setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
          mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
          be found in <arch/arm/boot/dts/nxp/imx/imx*-pinfunc.h>. The last integer
          CONFIG is the pad setting value like pull-up on this pin. Please
          refer to matching i.MX Reference Manual for detailed CONFIG settings.
        $ref: /schemas/types.yaml#/definitions/uint32-matrix
        items:
          items:
            - description: |
                "mux_reg" indicates the offset of mux register.
            - description: |
                "conf_reg" indicates the offset of pad configuration register.
            - description: |
                "input_reg" indicates the offset of select input register.
            - description: |
                "mux_val" indicates the mux value to be applied.
            - description: |
                "input_val" indicates the select input value to be applied.

Annotation

Implementation Notes