Documentation/devicetree/bindings/arm/vexpress-config.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/arm/vexpress-config.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/arm/vexpress-config.yaml
Extension
.yaml
Size
6579 bytes
Lines
286
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/arm/vexpress-config.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ARM Versatile Express configuration bus

maintainers:
  - Andre Przywara <andre.przywara@arm.com>

description:
  This is a system control register block, acting as a bridge to the
  platform's configuration bus via "system control" interface, addressing
  devices with site number, position in the board stack, config controller,
  function and device numbers - see motherboard's TRM for more details.

properties:
  compatible:
    const: arm,vexpress,config-bus

  arm,vexpress,config-bridge:
    $ref: /schemas/types.yaml#/definitions/phandle
    description:
      Phandle to the sysreg node.

  muxfpga:
    type: object
    properties:
      compatible:
        const: arm,vexpress-muxfpga

      arm,vexpress-sysreg,func:
        description: FPGA specifier
        $ref: /schemas/types.yaml#/definitions/uint32-array
        items:
          - const: 7
          - description: device number

    additionalProperties: false
    required:
      - compatible
      - arm,vexpress-sysreg,func

  shutdown:
    type: object
    properties:
      compatible:
        const: arm,vexpress-shutdown

      arm,vexpress-sysreg,func:
        description: shutdown identifier
        $ref: /schemas/types.yaml#/definitions/uint32-array
        items:
          - const: 8
          - description: device number

    additionalProperties: false
    required:
      - compatible
      - arm,vexpress-sysreg,func

  reboot:
    type: object
    properties:
      compatible:
        const: arm,vexpress-reboot

      arm,vexpress-sysreg,func:
        description: reboot identifier

Annotation

Implementation Notes