xref: /freebsd/sys/contrib/device-tree/Bindings/pci/marvell,armada8k-pcie.yaml (revision ae5de77ed78ae54d86cead5604869212e8008e6b)

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/marvell,armada8k-pcie.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Marvell Armada 7K/8K PCIe interface

maintainers:
  - Thomas Petazzoni <thomas.petazzoni@bootlin.com>

description:
  This PCIe host controller is based on the Synopsys DesignWare PCIe IP.

select:
  properties:
    compatible:
      contains:
        enum:
          - marvell,armada8k-pcie
  required:
    - compatible

allOf:
  - $ref: snps,dw-pcie.yaml#

properties:
  compatible:
    items:
      - enum:
          - marvell,armada8k-pcie
      - const: snps,dw-pcie

  reg:
    maxItems: 2

  reg-names:
    items:
      - const: ctrl
      - const: config

  clocks:
    minItems: 1
    maxItems: 2

  clock-names:
    items:
      - const: core
      - const: reg

  interrupts:
    maxItems: 1

  msi-parent:
    maxItems: 1

  phys:
    minItems: 1
    maxItems: 4

  phy-names:
    minItems: 1
    maxItems: 4

  marvell,reset-gpio:
    maxItems: 1
    deprecated: true

required:
  - interrupt-map
  - clocks
  - msi-parent

unevaluatedProperties: false

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

    pcie@f2600000 {
        compatible = "marvell,armada8k-pcie", "snps,dw-pcie";
        reg = <0xf2600000 0x10000>, <0xf6f00000 0x80000>;
        reg-names = "ctrl", "config";
        #address-cells = <3>;
        #size-cells = <2>;
        #interrupt-cells = <1>;
        device_type = "pci";
        dma-coherent;
        msi-parent = <&gic_v2m0>;

        ranges = <0x81000000 0 0xf9000000 0xf9000000 0 0x10000>,  /* downstream I/O */
                 <0x82000000 0 0xf6000000 0xf6000000 0 0xf00000>;  /* non-prefetchable memory */
        interrupt-map-mask = <0 0 0 0>;
        interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
        interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
        num-lanes = <1>;
        clocks = <&cpm_syscon0 1 13>;
    };
...