1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/pci/pci-ep. 4 $id: http://devicetree.org/schemas/pci/pci-ep.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: PCI Endpoint Controller 7 title: PCI Endpoint Controller
8 8
9 description: | 9 description: |
10 Common properties for PCI Endpoint Controlle 10 Common properties for PCI Endpoint Controller Nodes.
11 11
12 maintainers: 12 maintainers:
13 - Kishon Vijay Abraham I <kishon@kernel.org> 13 - Kishon Vijay Abraham I <kishon@kernel.org>
14 - Manivannan Sadhasivam <manivannan.sadhasiva 14 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
15 15
16 properties: 16 properties:
17 $nodename: 17 $nodename:
18 pattern: "^pcie-ep@" 18 pattern: "^pcie-ep@"
19 19
20 max-functions: 20 max-functions:
21 description: Maximum number of functions t 21 description: Maximum number of functions that can be configured
22 $ref: /schemas/types.yaml#/definitions/uin 22 $ref: /schemas/types.yaml#/definitions/uint8
23 minimum: 1 23 minimum: 1
24 default: 1 24 default: 1
25 maximum: 255 25 maximum: 255
26 26
27 max-virtual-functions: 27 max-virtual-functions:
28 description: Array representing the number 28 description: Array representing the number of virtual functions corresponding to each physical
29 function 29 function
30 $ref: /schemas/types.yaml#/definitions/uin 30 $ref: /schemas/types.yaml#/definitions/uint8-array
31 minItems: 1 31 minItems: 1
32 maxItems: 255 32 maxItems: 255
33 33
34 max-link-speed: 34 max-link-speed:
35 $ref: /schemas/types.yaml#/definitions/uin 35 $ref: /schemas/types.yaml#/definitions/uint32
36 enum: [ 1, 2, 3, 4 ] 36 enum: [ 1, 2, 3, 4 ]
37 37
38 num-lanes: 38 num-lanes:
39 description: maximum number of lanes 39 description: maximum number of lanes
40 $ref: /schemas/types.yaml#/definitions/uin 40 $ref: /schemas/types.yaml#/definitions/uint32
41 minimum: 1 41 minimum: 1
42 default: 1 42 default: 1
43 maximum: 16 43 maximum: 16
44 44
45 linux,pci-domain: 45 linux,pci-domain:
46 description: 46 description:
47 If present this property assigns a fixed 47 If present this property assigns a fixed PCI domain number to a PCI
48 Endpoint Controller, otherwise an unstab 48 Endpoint Controller, otherwise an unstable (across boots) unique number
49 will be assigned. It is required to eith 49 will be assigned. It is required to either not set this property at all
50 or set it for all PCI endpoint controlle 50 or set it for all PCI endpoint controllers in the system, otherwise
51 potentially conflicting domain numbers m 51 potentially conflicting domain numbers may be assigned to endpoint
52 controllers. The domain number for each 52 controllers. The domain number for each endpoint controller in the system
53 must be unique. 53 must be unique.
54 $ref: /schemas/types.yaml#/definitions/uin 54 $ref: /schemas/types.yaml#/definitions/uint32
55 55
56 required: 56 required:
57 - compatible 57 - compatible
58 58
59 additionalProperties: true 59 additionalProperties: true
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