Document the microsoft,message-connection-id property for VMBus DeviceTree node. This property allows specifying the connection ID used for communication between host and guest.
Signed-off-by: Hardik Garg <har...@linux.microsoft.com> --- v3: https://lore.kernel.org/all/6a92ca86-ad6b-4d49-af6e-1ed7651b8...@linux.microsoft.com v2: https://lore.kernel.org/all/096edaf7-cc90-42b6-aff4-c5f088574...@linux.microsoft.com v1: https://lore.kernel.org/all/6acee4bf-cb04-43b9-9476-e8d811d26...@linux.microsoft.com --- Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml b/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml index 0bea4f5287ce..615b48bd6a8b 100644 --- a/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml +++ b/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml @@ -17,6 +17,14 @@ properties: compatible: const: microsoft,vmbus + microsoft,message-connection-id: + description: | + VMBus message connection ID to be used for communication between host and + guest. If not specified, defaults to VMBUS_MESSAGE_CONNECTION_ID_4 (4) for + protocol version VERSION_WIN10_V5 and above, or VMBUS_MESSAGE_CONNECTION_ID + (1) for older versions. + $ref: /schemas/types.yaml#/definitions/uint32 + ranges: true '#address-cells': @@ -55,6 +63,7 @@ examples: vmbus@ff0000000 { compatible = "microsoft,vmbus"; + microsoft,message-connection-id = <4>; #address-cells = <2>; #size-cells = <1>; ranges = <0x0f 0xf0000000 0x0f 0xf0000000 0x10000000>; -- 2.40.4
