Documentation/devicetree/bindings/pci/xlnx,nwl-pcie.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pci/xlnx,nwl-pcie.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pci/xlnx,nwl-pcie.yaml
Extension
.yaml
Size
4318 bytes
Lines
157
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/pci/xlnx,nwl-pcie.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Xilinx NWL PCIe Root Port Bridge

maintainers:
  - Thippeswamy Havalige <thippeswamy.havalige@amd.com>

allOf:
  - $ref: /schemas/pci/pci-host-bridge.yaml#
  - $ref: /schemas/interrupt-controller/msi-controller.yaml#

properties:
  compatible:
    const: xlnx,nwl-pcie-2.11

  reg:
    items:
      - description: PCIe bridge registers location.
      - description: PCIe Controller registers location.
      - description: PCIe Configuration space region.

  reg-names:
    items:
      - const: breg
      - const: pcireg
      - const: cfg

  interrupts:
    items:
      - description: interrupt asserted when miscellaneous interrupt is received
      - description: unused interrupt(dummy)
      - description: interrupt asserted when a legacy interrupt is received
      - description: msi1 interrupt asserted when an MSI is received
      - description: msi0 interrupt asserted when an MSI is received

  interrupt-names:
    items:
      - const: misc
      - const: dummy
      - const: intx
      - const: msi1
      - const: msi0

  interrupt-map-mask:
    items:
      - const: 0
      - const: 0
      - const: 0
      - const: 7

  "#interrupt-cells":
    const: 1

  msi-parent:
    description: MSI controller the device is capable of using.

  interrupt-map:
    maxItems: 4

  phys:
    minItems: 1
    maxItems: 4
    description: One phy per logical lane, in order

  power-domains:
    maxItems: 1

Annotation

Implementation Notes