Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml
Extension
.yaml
Size
1650 bytes
Lines
77
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/bus/st,stm32mp131-dbg-bus.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STM32 Coresight bus

maintainers:
  - Gatien Chevallier <gatien.chevallier@foss.st.com>

description:
  The STM32 debug bus is in charge of checking the debug configuration
  of the platform before probing the peripheral drivers that rely on the debug
  domain.

properties:
  compatible:
    items:
      - enum:
          - st,stm32mp131-dbg-bus
          - st,stm32mp151-dbg-bus

  "#address-cells":
    const: 1

  "#size-cells":
    const: 1

  ranges:
    minItems: 1
    maxItems: 2

  "#access-controller-cells":
    const: 1
    description:
      Contains the debug profile necessary to access the peripheral.

patternProperties:
  "@[0-9a-f]+$":
    description: Debug related peripherals
    type: object

    additionalProperties: true

    required:
      - access-controllers

required:
  - "#access-controller-cells"
  - "#address-cells"
  - "#size-cells"
  - compatible
  - ranges

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/stm32mp1-clks.h>

    dbg_bus: bus@50080000 {
      compatible = "st,stm32mp131-dbg-bus";
      #address-cells = <1>;
      #size-cells = <1>;
      #access-controller-cells = <1>;
      ranges = <0x50080000 0x50080000 0x3f80000>;

      cti@50094000 {
        compatible = "arm,coresight-cti", "arm,primecell";

Annotation

Implementation Notes