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dt-bindings: describe the support of "clock-frequency" in mdio

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mdio bus frequency is going to be configurable at boottime by a property
in DT now, so add a description to it.

Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Greentime Hu <greentime.hu@sifive.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Chiu 2022-11-17 23:40:13 +08:00 committed by David S. Miller
parent 29f8eefba3
commit 6830604ec0
1 changed files with 2 additions and 0 deletions
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Documentation/devicetree/bindings/net/xilinx_axienet.txt
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@ -68,6 +68,8 @@ Optional properties:
- mdio : Child node for MDIO bus. Must be defined if PHY access is - mdio : Child node for MDIO bus. Must be defined if PHY access is
required through the core's MDIO interface (i.e. always, required through the core's MDIO interface (i.e. always,
unless the PHY is accessed through a different bus). unless the PHY is accessed through a different bus).
Non-standard MDIO bus frequency is supported via
"clock-frequency", see mdio.yaml.
- pcs-handle: Phandle to the internal PCS/PMA PHY in SGMII or 1000Base-X - pcs-handle: Phandle to the internal PCS/PMA PHY in SGMII or 1000Base-X
modes, where "pcs-handle" should be used to point modes, where "pcs-handle" should be used to point