| # 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>; |
| }; |
| }; |
| ... |
