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