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binding: Make "mdio-parent-bus" property from mandatory to optional

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Change "mdio-parent-bus" from mandatory section to optional
as it won't be required by integrated MDIO multiplexer
which has bus selection and mdio transaction generation logic,
integrated inside.

Signed-off-by: Pramod Kumar <pramod.kumar@broadcom.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:
Pramod Kumar 2016-06-10 11:03:46 +05:30 committed by David S. Miller
parent f20e6657a8
commit 6deb2087b8
1 changed files with 2 additions and 1 deletions
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3
Documentation/devicetree/bindings/net/mdio-mux.txt
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@ -5,11 +5,12 @@ numbered uniquely in a device dependent manner. The nodes for an MDIO
bus multiplexer/switch will have one child node for each child bus.
Required properties:
- mdio-parent-bus : phandle to the parent MDIO bus.
- #address-cells = <1>;
- #size-cells = <0>;
Optional properties:
- mdio-parent-bus : phandle to the parent MDIO bus.
- Other properties specific to the multiplexer/switch hardware.
Required properties for child nodes: