Documentation/devicetree/bindings/pci/intel,keembay-pcie-ep.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pci/intel,keembay-pcie-ep.yaml
Extension
.yaml
Size
1715 bytes
Lines
70
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,keembay-pcie-ep.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Intel Keem Bay PCIe controller Endpoint mode

maintainers:
  - Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
  - Srikanth Thokala <srikanth.thokala@intel.com>

properties:
  compatible:
    const: intel,keembay-pcie-ep

  reg:
    maxItems: 5

  reg-names:
    items:
      - const: dbi
      - const: dbi2
      - const: atu
      - const: addr_space
      - const: apb

  interrupts:
    maxItems: 4

  interrupt-names:
    items:
      - const: pcie
      - const: pcie_ev
      - const: pcie_err
      - const: pcie_mem_access

  num-lanes:
    description: Number of lanes to use.
    enum: [ 1, 2 ]

required:
  - compatible
  - reg
  - reg-names
  - interrupts
  - interrupt-names

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    pcie-ep@37000000 {
        compatible = "intel,keembay-pcie-ep";
        reg = <0x37000000 0x00001000>,
              <0x37100000 0x00001000>,
              <0x37300000 0x00001000>,
              <0x36000000 0x01000000>,
              <0x37800000 0x00000200>;
        reg-names = "dbi", "dbi2", "atu", "addr_space", "apb";
        interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 108 IRQ_TYPE_EDGE_RISING>,
                     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-names = "pcie", "pcie_ev", "pcie_err", "pcie_mem_access";
        num-lanes = <2>;
    };

Annotation

Implementation Notes