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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/loongson.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Loongson PCI Host Controller
maintainers:
- Jiaxun Yang <jiaxun.yang@flygoat.com>
description: |+
PCI host controller found on Loongson PCHs and SoCs.
allOf:
- $ref: /schemas/pci/pci-bus.yaml#
properties:
compatible:
enum:
- loongson,ls2k-pci
- loongson,ls7a-pci
- loongson,rs780e-pci
reg:
minItems: 1
items:
- description: CFG0 standard config space register
- description: CFG1 extended config space register
ranges:
minItems: 1
maxItems: 3
required:
- compatible
- reg
- ranges
unevaluatedProperties: false
examples:
- |
bus {
#address-cells = <2>;
#size-cells = <2>;
pcie@1a000000 {
compatible = "loongson,rs780e-pci";
device_type = "pci";
#address-cells = <3>;
#size-cells = <2>;
// CPU_PHYSICAL(2) SIZE(2)
reg = <0x0 0x1a000000 0x0 0x2000000>;
// BUS_ADDRESS(3) CPU_PHYSICAL(2) SIZE(2)
ranges = <0x01000000 0x0 0x00004000 0x0 0x00004000 0x0 0x00004000>,
<0x02000000 0x0 0x40000000 0x0 0x40000000 0x0 0x40000000>;
};
};
...
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