xref: /openbmc/linux/Documentation/devicetree/bindings/pci/xlnx,axi-pcie-host.yaml (revision 560e9ce1)

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

title: Xilinx AXI PCIe Root Port Bridge

maintainers:
  - Thippeswamy Havalige <thippeswamy.havalige@amd.com>

allOf:
  - $ref: /schemas/pci/pci-bus.yaml#

properties:
  compatible:
    const: xlnx,axi-pcie-host-1.00.a

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  ranges:
    items:
      - description: |
          ranges for the PCI memory regions (I/O space region is not
          supported by hardware)

  "#interrupt-cells":
    const: 1

  interrupt-controller:
    description: identifies the node as an interrupt controller
    type: object
    properties:
      interrupt-controller: true

      "#address-cells":
        const: 0

      "#interrupt-cells":
        const: 1

    required:
      - interrupt-controller
      - "#address-cells"
      - "#interrupt-cells"

    additionalProperties: false

required:
  - compatible
  - reg
  - ranges
  - interrupts
  - interrupt-map
  - "#interrupt-cells"
  - interrupt-controller

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    pcie@50000000 {
        compatible = "xlnx,axi-pcie-host-1.00.a";
        reg = <0x50000000 0x1000000>;
        #address-cells = <3>;
        #size-cells = <2>;
        #interrupt-cells = <1>;
        device_type = "pci";
        interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-map-mask = <0 0 0 7>;
        interrupt-map = <0 0 0 1 &pcie_intc 1>,
                        <0 0 0 2 &pcie_intc 2>,
                        <0 0 0 3 &pcie_intc 3>,
                        <0 0 0 4 &pcie_intc 4>;
        ranges = <0x02000000 0 0x60000000 0x60000000 0 0x10000000>;
        pcie_intc: interrupt-controller {
            interrupt-controller;
            #address-cells = <0>;
            #interrupt-cells = <1>;
        };
    };