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net: hisilicon: fix binding document of mdio 

This patch explains the occasion of "hisilcon,mdio" and
"hisilicon,hns-mdio" according to Arnd's comments.
and reformat it according to comments from Rob<robh@kernel.org>.

Signed-off-by: huangdaode <huangdaode@hisilicon.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
huangdaode 2015-11-18 10:08:00 +08:00 committed by David S. Miller
parent 09605cc12c
commit 6fbaa57076
1 changed files with 6 additions and 1 deletions
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7
Documentation/devicetree/bindings/net/hisilicon-hns-mdio.txt
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@ -1,7 +1,12 @@
Hisilicon MDIO bus controller
Properties:
- compatible: "hisilicon,mdio","hisilicon,hns-mdio".
- compatible: can be one of:
"hisilicon,hns-mdio"
"hisilicon,mdio"
"hisilicon,hns-mdio" is recommended to be used for hip05 and later SOCs,
while "hisilicon,mdio" is optional for backwards compatibility only on
hip04 Soc.
- reg: The base address of the MDIO bus controller register bank.
- #address-cells: Must be <1>.
- #size-cells: Must be <0>. MDIO addresses have no size component.