linux-zen-desktop/Documentation/devicetree/bindings/pci/xlnx,axi-pcie-host.yaml

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2023-08-30 17:31:07 +02:00
# 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>;
};
};