Documentation/devicetree/bindings/arm/arm,scu.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/arm/arm,scu.yaml
Extension
.yaml
Size
1069 bytes
Lines
47
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/arm,scu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ARM Snoop Control Unit (SCU)

maintainers:
  - Linus Walleij <linusw@kernel.org>

description: |
  As part of the MPCore complex, Cortex-A5 and Cortex-A9 are provided
  with a Snoop Control Unit. The register range is usually 256 (0x100)
  bytes.

  References:
    - Cortex-A9: see DDI0407E Cortex-A9 MPCore Technical Reference Manual
      Revision r2p0
    - Cortex-A5: see DDI0434B Cortex-A5 MPCore Technical Reference Manual
      Revision r0p1
    - ARM11 MPCore: see DDI0360F ARM 11 MPCore Processor Technical Reference
      Manial Revision r2p0

properties:
  compatible:
    enum:
      - arm,cortex-a9-scu
      - arm,cortex-a5-scu
      - arm,arm11mp-scu

  reg:
    maxItems: 1

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    scu@a0410000 {
            compatible = "arm,cortex-a9-scu";
            reg = <0xa0410000 0x100>;
    };

Annotation

Implementation Notes