The 'dsa,tag-protocol' is used to force a switch tree to use a
particular tag protocol, typically because the Ethernet controller
that it is connected to is not compatible with the default one.
Signed-off-by: Tobias Waldekranz <tobias@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/net/dsa/dsa.yaml | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.yaml b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
index 8a3494db4d8d..c4dec0654c6a 100644
--- a/Documentation/devicetree/bindings/net/dsa/dsa.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
@@ -70,6 +70,15 @@ patternProperties:
device is what the switch port is connected to
$ref: /schemas/types.yaml#/definitions/phandle
+ dsa,tag-protocol:
+ description:
+ Instead of the default, the switch will use this tag protocol if
+ possible. Useful when a device supports multiple protcols and
+ the default is incompatible with the Ethernet device.
+ enum:
+ - dsa
+ - edsa
+
phy-handle: true
phy-mode: true
--
2.25.1
