# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/pci/apm,xgene-pcie.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: AppliedMicro X-Gene PCIe interface
maintainers:
- Toan Le <toan@os.amperecomputing.com>
allOf:
- $ref: /schemas/pci/pci-host-bridge.yaml#
properties:
compatible:
oneOf:
- items:
- const: apm,xgene-storm-pcie
- const: apm,xgene-pcie
- items:
- const: apm,xgene-pcie
reg:
items:
- description: Controller configuration registers
- description: PCI configuration space registers
reg-names:
items:
- const: csr
- const: cfg
clocks:
maxItems: 1
clock-names:
items:
- const: pcie
dma-coherent: true
msi-parent:
maxItems: 1
required:
- compatible
- reg
- reg-names
- '#interrupt-cells'
- interrupt-map-mask
- interrupt-map
- clocks
unevaluatedProperties: false
examples:
- |
bus {
#address-cells = <2>;
#size-cells = <2>;
pcie@1f2b0000 {
compatible = "apm,xgene-storm-pcie", "apm,xgene-pcie";
device_type = "pci";
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
reg = <0x00 0x1f2b0000 0x0 0x00010000>, /* Controller registers */
<0xe0 0xd0000000 0x0 0x00040000>; /* PCI config space */
reg-names = "csr", "cfg";
ranges = <0x01000000 0x00 0x00000000 0xe0 0x10000000 0x00 0x00010000>, /* io */
<0x02000000 0x00 0x80000000 0xe1 0x80000000 0x00 0x80000000>; /* mem */
dma-ranges = <0x42000000 0x80 0x00000000 0x80 0x00000000 0x00 0x80000000>,
<0x42000000 0x00 0x00000000 0x00 0x00000000 0x80 0x00000000>;
interrupt-map-mask = <0x0 0x0 0x0 0x7>;
interrupt-map = <0x0 0x0 0x0 0x1 &gic 0x0 0xc2 0x1>,
<0x0 0x0 0x0 0x2 &gic 0x0 0xc3 0x1>,
<0x0 0x0 0x0 0x3 &gic 0x0 0xc4 0x1>,
<0x0 0x0 0x0 0x4 &gic 0x0 0xc5 0x1>;
dma-coherent;
clocks = <&pcie0clk 0>;
};
};
