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dt-bindings: net: ethernet-controller: add QUSGMII mode 

Add a new QUSGMII mode, standing for "Quad Universal Serial Gigabit
Media Independent Interface", a derivative of USGMII which, similarly to
QSGMII, allows to multiplex 4 1Gbps links to a Quad-PHY.

The main difference with QSGMII is that QUSGMII can include an extension
instead of the standard 7bytes ethernet preamble, allowing to convey
arbitrary data such as Timestamps.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maxime Chevallier 2022-08-17 14:32:53 +02:00 committed by David S. Miller
parent 5e61fe157a
commit 0932b12a74
1 changed files with 1 additions and 0 deletions
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Documentation/devicetree/bindings/net/ethernet-controller.yaml
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@ -67,6 +67,7 @@ properties:
- gmii
- sgmii
- qsgmii
- qusgmii
- tbi
- rev-mii
- rmii