Documentation/devicetree/bindings/pci/st,stm32-pcie-host.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pci/st,stm32-pcie-host.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pci/st,stm32-pcie-host.yaml
Extension
.yaml
Size
3072 bytes
Lines
113
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 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/st,stm32-pcie-host.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STMicroelectronics STM32MP25 PCIe Root Complex

maintainers:
  - Christian Bruel <christian.bruel@foss.st.com>

description:
  PCIe root complex controller based on the Synopsys DesignWare PCIe core.

allOf:
  - $ref: /schemas/pci/snps,dw-pcie.yaml#
  - $ref: /schemas/pci/st,stm32-pcie-common.yaml#

properties:
  compatible:
    const: st,stm32mp25-pcie-rc

  reg:
    items:
      - description: Data Bus Interface (DBI) registers.
      - description: PCIe configuration registers.

  reg-names:
    items:
      - const: dbi
      - const: config

  msi-parent:
    maxItems: 1

patternProperties:
  '^pcie@[0-2],0$':
    type: object
    $ref: /schemas/pci/pci-pci-bridge.yaml#

    properties:
      reg:
        maxItems: 1

      phys:
        maxItems: 1

      reset-gpios:
        description: GPIO controlled connection to PERST# signal
        maxItems: 1

      wake-gpios:
        description: GPIO used as WAKE# input signal
        maxItems: 1

    required:
      - phys
      - ranges

    unevaluatedProperties: false

required:
  - interrupt-map
  - interrupt-map-mask
  - ranges
  - dma-ranges

unevaluatedProperties: false

examples:

Annotation

Implementation Notes