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author | 2016-08-10 11:20:07 +0530 | |
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committer | 2016-08-12 16:57:20 -0700 | |
commit | 71e11aff34510e4133965d63ae6d91a0cf4aa876 (patch) | |
tree | 5156bbb5f4a5e0600da3c5dd2e4eccb7c8000b57 /Documentation | |
parent | net: Add mask for Control register 10Mbps speed (diff) | |
download | linux-71e11aff34510e4133965d63ae6d91a0cf4aa876.tar.gz linux-71e11aff34510e4133965d63ae6d91a0cf4aa876.tar.bz2 linux-71e11aff34510e4133965d63ae6d91a0cf4aa876.zip |
Documentation: DT: net: Add Xilinx gmiitorgmii converter device tree binding documentation
Device-tree binding documentation for xilinx gmiitorgmii converter.
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt b/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt new file mode 100644 index 000000000000..038dda48b8e6 --- /dev/null +++ b/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt @@ -0,0 +1,35 @@ +XILINX GMIITORGMII Converter Driver Device Tree Bindings +-------------------------------------------------------- + +The Gigabit Media Independent Interface (GMII) to Reduced Gigabit Media +Independent Interface (RGMII) core provides the RGMII between RGMII-compliant +Ethernet physical media devices (PHY) and the Gigabit Ethernet controller. +This core can be used in all three modes of operation(10/100/1000 Mb/s). +The Management Data Input/Output (MDIO) interface is used to configure the +Speed of operation. This core can switch dynamically between the three +Different speed modes by configuring the conveter register through mdio write. + +This converter sits between the ethernet MAC and the external phy. +MAC <==> GMII2RGMII <==> RGMII_PHY + +For more details about mdio please refer phy.txt file in the same directory. + +Required properties: +- compatible : Should be "xlnx,gmii-to-rgmii-1.0" +- reg : The ID number for the phy, usually a small integer +- phy-handle : Should point to the external phy device. + See ethernet.txt file in the same directory. + +Example: + mdio { + #address-cells = <1>; + #size-cells = <0>; + phy: ethernet-phy@0 { + ...... + }; + gmiitorgmii: gmiitorgmii@8 { + compatible = "xlnx,gmii-to-rgmii-1.0"; + reg = <8>; + phy-handle = <&phy>; + }; + }; |