xref: /freebsd/sys/contrib/device-tree/Bindings/pci/amazon,al-alpine-v3-pcie.yaml (revision 833e5d42ab135b0238e61c5b3c19b8619677cbfa)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/amazon,al-alpine-v3-pcie.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amazon Annapurna Labs Alpine v3 PCIe Host Bridge

maintainers:
  - Jonathan Chocron <jonnyc@amazon.com>

description:
  Amazon's Annapurna Labs PCIe Host Controller is based on the Synopsys
  DesignWare PCI controller.

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

properties:
  compatible:
    enum:
      - amazon,al-alpine-v2-pcie
      - amazon,al-alpine-v3-pcie

  reg:
    items:
      - description: PCIe ECAM space
      - description: AL proprietary registers
      - description: Designware PCIe registers

  reg-names:
    items:
      - const: config
      - const: controller
      - const: dbi

  interrupts:
    maxItems: 1

unevaluatedProperties: false

required:
  - compatible
  - reg
  - reg-names

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

    bus {
        #address-cells = <2>;
        #size-cells = <2>;

        pcie@fb600000 {
            compatible = "amazon,al-alpine-v3-pcie";
            reg = <0x0 0xfb600000 0x0 0x00100000
                  0x0 0xfd800000 0x0 0x00010000
                  0x0 0xfd810000 0x0 0x00001000>;
            reg-names = "config", "controller", "dbi";
            bus-range = <0 255>;
            device_type = "pci";
            #address-cells = <3>;
            #size-cells = <2>;
            #interrupt-cells = <1>;
            interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
            interrupt-map-mask = <0x00 0 0 7>;
            interrupt-map = <0x0000 0 0 1 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>; /* INTa */
            ranges = <0x02000000 0x0 0xc0010000 0x0 0xc0010000 0x0 0x07ff0000>;
        };
    };