Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml
Extension
.yaml
Size
2404 bytes
Lines
118
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/intel-gw-pcie.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: PCIe RC controller on Intel Gateway SoCs

maintainers:
  - Rahul Tanwar <rtanwar@maxlinear.com>

select:
  properties:
    compatible:
      contains:
        const: intel,lgm-pcie
  required:
    - compatible

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

properties:
  compatible:
    items:
      - const: intel,lgm-pcie
      - const: snps,dw-pcie

  reg:
    items:
      - description: Controller control and status registers.
      - description: PCIe configuration registers.
      - description: Controller application registers.

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

  ranges:
    maxItems: 1

  resets:
    maxItems: 1

  clocks:
    maxItems: 1

  phys:
    maxItems: 1

  phy-names:
    const: pcie

  reset-gpios:
    maxItems: 1

  num-lanes:
    maximum: 2

  max-link-speed:
    enum: [1, 2, 3, 4]
    default: 1

  reset-assert-ms:
    description: |
      Delay after asserting reset to the PCIe device.
    maximum: 500
    default: 100

Annotation

Implementation Notes