Documentation/devicetree/bindings/pci/qcom,pcie-sa8255p.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pci/qcom,pcie-sa8255p.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pci/qcom,pcie-sa8255p.yaml
Extension
.yaml
Size
3740 bytes
Lines
123
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

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Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/qcom,pcie-sa8255p.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SA8255p based firmware managed and ECAM compliant PCIe Root Complex

maintainers:
  - Bjorn Andersson <andersson@kernel.org>
  - Manivannan Sadhasivam <mani@kernel.org>

description:
  Qualcomm SA8255p SoC PCIe root complex controller is based on the Synopsys
  DesignWare PCIe IP which is managed by firmware, and configured in ECAM mode.

properties:
  compatible:
    const: qcom,pcie-sa8255p

  reg:
    description:
      The base address and size of the ECAM area for accessing PCI
      Configuration Space, as accessed from the parent bus. The base
      address corresponds to the first bus in the "bus-range" property. If
      no "bus-range" is specified, this will be bus 0 (the default).
    maxItems: 1

  ranges:
    description:
      As described in IEEE Std 1275-1994, but must provide at least a
      definition of non-prefetchable memory. One or both of prefetchable Memory
      may also be provided.
    minItems: 1
    maxItems: 2

  interrupts:
    minItems: 8
    maxItems: 8

  interrupt-names:
    items:
      - const: msi0
      - const: msi1
      - const: msi2
      - const: msi3
      - const: msi4
      - const: msi5
      - const: msi6
      - const: msi7

  power-domains:
    maxItems: 1

  dma-coherent: true
  iommu-map: true

required:
  - compatible
  - reg
  - ranges
  - power-domains
  - interrupts
  - interrupt-names

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

unevaluatedProperties: false

Annotation

Implementation Notes