Documentation/devicetree/bindings/pci/spacemit,k1-pcie-host.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pci/spacemit,k1-pcie-host.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pci/spacemit,k1-pcie-host.yaml
Extension
.yaml
Size
4123 bytes
Lines
158
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/spacemit,k1-pcie-host.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: SpacemiT K1 PCI Express Host Controller

maintainers:
  - Alex Elder <elder@riscstar.com>

description: >
  The SpacemiT K1 SoC PCIe host controller is based on the Synopsys DesignWare
  PCIe IP.  The controller uses the DesignWare built-in MSI interrupt
  controller, and supports 256 MSIs.

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

properties:
  compatible:
    const: spacemit,k1-pcie

  reg:
    items:
      - description: DesignWare PCIe registers
      - description: ATU address space
      - description: PCIe configuration space
      - description: Link control registers

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

  clocks:
    items:
      - description: DWC PCIe Data Bus Interface (DBI) clock
      - description: DWC PCIe application AXI-bus master interface clock
      - description: DWC PCIe application AXI-bus slave interface clock

  clock-names:
    items:
      - const: dbi
      - const: mstr
      - const: slv

  resets:
    items:
      - description: DWC PCIe Data Bus Interface (DBI) reset
      - description: DWC PCIe application AXI-bus master interface reset
      - description: DWC PCIe application AXI-bus slave interface reset

  reset-names:
    items:
      - const: dbi
      - const: mstr
      - const: slv

  interrupts:
    items:
      - description: Interrupt used for MSIs

  interrupt-names:
    const: msi

  spacemit,apmu:
    $ref: /schemas/types.yaml#/definitions/phandle-array

Annotation

Implementation Notes