Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml
Extension
.yaml
Size
2913 bytes
Lines
120
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/samsung,exynos-pcie.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Samsung SoC series PCIe Host Controller

maintainers:
  - Marek Szyprowski <m.szyprowski@samsung.com>
  - Jaehoon Chung <jh80.chung@samsung.com>

description: |+
  Exynos5433 SoC PCIe host controller is based on the Synopsys DesignWare
  PCIe IP and thus inherits all the common properties defined in
  snps,dw-pcie.yaml.

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

properties:
  compatible:
    const: samsung,exynos5433-pcie

  reg:
    items:
      - description: Data Bus Interface (DBI) registers.
      - description: External Local Bus interface (ELBI) registers.
      - description: PCIe configuration space region.

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

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: PCIe bridge clock
      - description: PCIe bus clock

  clock-names:
    items:
      - const: pcie
      - const: pcie_bus

  phys:
    maxItems: 1

  vdd10-supply:
    description:
      Phandle to a regulator that provides 1.0V power to the PCIe block.

  vdd18-supply:
    description:
      Phandle to a regulator that provides 1.8V power to the PCIe block.

  num-lanes:
    const: 1

  num-viewport:
    const: 3

required:
  - reg
  - reg-names
  - interrupts

Annotation

Implementation Notes