On Fri, Mar 26, 2021 at 11:56:48AM +0100, Tobias Waldekranz wrote: > 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 | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.yaml b/Documentation/devicetree/bindings/net/dsa/dsa.yaml > index 8a3494db4d8d..5dcfab049aa2 100644 > --- a/Documentation/devicetree/bindings/net/dsa/dsa.yaml > +++ b/Documentation/devicetree/bindings/net/dsa/dsa.yaml > @@ -70,6 +70,13 @@ patternProperties: > device is what the switch port is connected to > $ref: /schemas/types.yaml#/definitions/phandle > > + dsa,tag-protocol: 'dsa' is not a vendor. > + 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. > + $ref: /schemas/types.yaml#/definitions/string You need to define the possible strings. > + > phy-handle: true > > phy-mode: true > -- > 2.25.1 >
