Documentation/devicetree/bindings/net/mdio-gpio.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/net/mdio-gpio.yaml
Extension
.yaml
Size
1068 bytes
Lines
58
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/net/mdio-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MDIO on GPIOs

maintainers:
  - Andrew Lunn <andrew@lunn.ch>
  - Heiner Kallweit <hkallweit1@gmail.com>
  - Russell King <linux@armlinux.org.uk>

allOf:
  - $ref: mdio.yaml#

properties:
  compatible:
    enum:
      - virtual,mdio-gpio
      - microchip,mdio-smi0

  "#address-cells":
    const: 1

  "#size-cells":
    const: 0

  gpios:
    minItems: 2
    items:
      - description: MDC
      - description: MDIO
      - description: MDO

# Note: Each gpio-mdio bus should have an alias correctly numbered in "aliases"
# node.
additionalProperties:
  type: object

examples:
  - |
    aliases {
        mdio-gpio0 = &mdio0;
    };

    mdio0: mdio {
      compatible = "virtual,mdio-gpio";
      #address-cells = <1>;
      #size-cells = <0>;
      gpios = <&qe_pio_a 11>,
              <&qe_pio_c 6>;
      ethphy0: ethernet-phy@0 {
        reg = <0>;
      };
    };
...

Annotation

Implementation Notes