dt-bindings: PCI: Add UniPhier PCIe endpoint controller description

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/pci/socionext,uniphier-pcie-ep.yaml#

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

title: Socionext UniPhier PCIe endpoint controller

description: |

  UniPhier PCIe endpoint controller is based on the Synopsys DesignWare

  PCI core. It shares common features with the PCIe DesignWare core and

  inherits common properties defined in

  Documentation/devicetree/bindings/pci/designware-pcie.txt.

maintainers:

  - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>

allOf:

  - $ref: "pci-ep.yaml#"

properties:

  compatible:

    const: socionext,uniphier-pro5-pcie-ep

  reg:

    maxItems: 4

  reg-names:

    items:

      - const: dbi

      - const: dbi2

      - const: link

      - const: addr_space

  clocks:

    maxItems: 2

  clock-names:

    items:

      - const: gio

      - const: link

  resets:

    maxItems: 2

  reset-names:

    items:

      - const: gio

      - const: link

  num-ib-windows:

    const: 16

  num-ob-windows:

    const: 16

  num-lanes: true

  phys:

    maxItems: 1

  phy-names:

    const: pcie-phy

required:

  - compatible

  - reg

  - reg-names

  - clocks

  - clock-names

  - resets

  - reset-names

additionalProperties: false

examples:

  - |

    pcie_ep: pcie-ep@66000000 {

        compatible = "socionext,uniphier-pro5-pcie-ep";

        reg-names = "dbi", "dbi2", "link", "addr_space";

        reg = <0x66000000 0x1000>, <0x66001000 0x1000>,

              <0x66010000 0x10000>, <0x67000000 0x400000>;

        clock-names = "gio", "link";

        clocks = <&sys_clk 12>, <&sys_clk 24>;

        reset-names = "gio", "link";

        resets = <&sys_rst 12>, <&sys_rst 24>;

        num-ib-windows = <16>;

        num-ob-windows = <16>;

        num-lanes = <4>;

        phy-names = "pcie-phy";

        phys = <&pcie_phy>;

    };

M:	Kunihiko Hayashi <hayashi.kunihiko@socionext.com>

L:	linux-pci@vger.kernel.org

S:	Maintained

F:	Documentation/devicetree/bindings/pci/uniphier-pcie.txt

F:	Documentation/devicetree/bindings/pci/uniphier-pcie*

F:	drivers/pci/controller/dwc/pcie-uniphier.c

PCIE DRIVER FOR ST SPEAR13XX