Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
Extension
.yaml
Size
4912 bytes
Lines
181
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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Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/rockchip-dw-pcie.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: DesignWare based PCIe Root Complex controller on Rockchip SoCs

maintainers:
  - Shawn Lin <shawn.lin@rock-chips.com>
  - Simon Xue <xxm@rock-chips.com>
  - Heiko Stuebner <heiko@sntech.de>

description: |+
  RK3568 SoC PCIe Root Complex controller is based on the Synopsys DesignWare
  PCIe IP and thus inherits all the common properties defined in
  snps,dw-pcie.yaml.

properties:
  compatible:
    oneOf:
      - const: rockchip,rk3568-pcie
      - items:
          - enum:
              - rockchip,rk3528-pcie
              - rockchip,rk3562-pcie
              - rockchip,rk3576-pcie
              - rockchip,rk3588-pcie
          - const: rockchip,rk3568-pcie

  reg:
    items:
      - description: Data Bus Interface (DBI) registers
      - description: Rockchip designed configuration registers
      - description: Config registers

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

  legacy-interrupt-controller:
    description: Interrupt controller node for handling legacy PCI interrupts.
    type: object
    additionalProperties: false
    properties:
      "#address-cells":
        const: 0

      "#interrupt-cells":
        const: 1

      interrupt-controller: true

      interrupts:
        items:
          - description: combined legacy interrupt
    required:
      - "#address-cells"
      - "#interrupt-cells"
      - interrupt-controller
      - interrupts

  msi-map: true

  ranges:
    minItems: 2
    maxItems: 3

Annotation

Implementation Notes