dt-bindings: PCI: Add PCI Endpoint Controller Schema

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/pci/pci-ep.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: PCI Endpoint Controller Schema

description: |

  Common properties for PCI Endpoint Controller Nodes.

maintainers:

  - Kishon Vijay Abraham I <kishon@ti.com>

properties:

  $nodename:

    pattern: "^pcie-ep@"

  max-functions:

    description: Maximum number of functions that can be configured

    allOf:

      - $ref: /schemas/types.yaml#/definitions/uint8

    minimum: 1

    default: 1

    maximum: 255

  max-link-speed:

    allOf:

      - $ref: /schemas/types.yaml#/definitions/uint32

    enum: [ 1, 2, 3, 4 ]

  num-lanes:

    description: maximum number of lanes

    allOf:

      - $ref: /schemas/types.yaml#/definitions/uint32

    minimum: 1

    default: 1

    maximum: 16

required:

  - compatible