Documentation/devicetree/bindings/arm/microchip,sparx5.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/arm/microchip,sparx5.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/arm/microchip,sparx5.yaml
Extension
.yaml
Size
2023 bytes
Lines
68
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/arm/microchip,sparx5.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip Sparx5 Boards

maintainers:
  - Lars Povlsen <lars.povlsen@microchip.com>

description: |+
   The Microchip Sparx5 SoC is a ARMv8-based used in a family of
   gigabit TSN-capable gigabit switches.

   The SparX-5 Ethernet switch family provides a rich set of switching
   features such as advanced TCAM-based VLAN and QoS processing
   enabling delivery of differentiated services, and security through
   TCAM-based frame processing using versatile content aware processor
   (VCAP)

properties:
  $nodename:
    const: '/'
  compatible:
    oneOf:
      - description: The Sparx5 pcb125 board is a modular board,
          which has both spi-nor and eMMC storage. The modular design
          allows for connection of different network ports.
        items:
          - const: microchip,sparx5-pcb125
          - const: microchip,sparx5

      - description: The Sparx5 pcb134 is a pizzabox form factor
          gigabit switch with 20 SFP ports. It features spi-nor and
          either spi-nand or eMMC storage (mount option).
        items:
          - const: microchip,sparx5-pcb134
          - const: microchip,sparx5

      - description: The Sparx5 pcb135 is a pizzabox form factor
          gigabit switch with 48+4 Cu ports. It features spi-nor and
          either spi-nand or eMMC storage (mount option).
        items:
          - const: microchip,sparx5-pcb135
          - const: microchip,sparx5

  axi@600000000:
    type: object
    description: the root node in the Sparx5 platforms must contain
      an axi bus child node. They are always at physical address
      0x600000000 in all the Sparx5 variants.
    properties:
      compatible:
        items:
          - const: simple-bus

    required:
      - compatible

required:
  - compatible
  - axi@600000000

additionalProperties: true

...

Annotation

Implementation Notes