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Many PCI controllers are dual-role controllers, supporting both Root Complex (RC) and Endpoint (EP) modes. The EP side also needs similar information for proper address translation. Add 'ranges' property for pcie-ep, which format is same as PCI's ranges. Signed-off-by: Frank Li --- Documentation/devicetree/bindings/pci/pci-ep.yaml | 30 +++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/pci-ep.yaml b/Documentation/devicetree/bindings/pci/pci-ep.yaml index f75000e3093db..2de00d2bf7326 100644 --- a/Documentation/devicetree/bindings/pci/pci-ep.yaml +++ b/Documentation/devicetree/bindings/pci/pci-ep.yaml @@ -17,6 +17,26 @@ properties: $nodename: pattern: "^pcie-ep@" + ranges: + description: + Outbound memory regions, which is extend reg 'addr_space' if pci bus + address is not equal cpu address or there are more one outbound + memory regions. + oneOf: + - type: boolean + - minItems: 1 + maxItems: 32 # Should be enough + items: + minItems: 5 + maxItems: 8 + additionalItems: true + items: + - enum: + - 0x42000000 + - 0x43000000 + - 0x82000000 + - 0x83000000 + max-functions: description: Maximum number of functions that can be configured $ref: /schemas/types.yaml#/definitions/uint8 @@ -42,6 +62,16 @@ properties: default: 1 maximum: 16 + device_type: + $ref: /schemas/types.yaml#/definitions/string + const: pci-ep + + "#address-cells": + const: 3 + + "#size-cells": + const: 2 + linux,pci-domain: description: If present this property assigns a fixed PCI domain number to a PCI