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| -rw-r--r-- | doc/device-tree-bindings/net/fsl-tsec-phy.txt | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/net/fsl-tsec-phy.txt b/doc/device-tree-bindings/net/fsl-tsec-phy.txt new file mode 100644 index 0000000000..dbe91aa161 --- /dev/null +++ b/doc/device-tree-bindings/net/fsl-tsec-phy.txt @@ -0,0 +1,43 @@ +* TSEC-compatible ethernet nodes + +Properties: + + - compatible : Should be "fsl,tsec" + - reg : Offset and length of the register set for the device + - phy-handle : See ethernet.txt file in the same directory. + - phy-connection-type : See ethernet.txt file in the same directory. This + property is only really needed if the connection is of type "rgmii-id", + "rgmii-rxid" and "rgmii-txid" as all other connection types are detected + by hardware. + +Example: + ethernet@24000 { + compatible = "fsl,tsec"; + reg = <0x24000 0x1000>; + phy-handle = <&phy0>; + phy-connection-type = "sgmii"; + }; + +Child nodes of the TSEC controller are typically the individual PHY devices +connected via the MDIO bus (sometimes the MDIO bus controller is separate). + +* MDIO IO device + +The MDIO is a bus to which the PHY devices are connected. For each +device that exists on this bus, a PHY node should be created. + +Required properties: + - compatible : Should define the compatible device type for the + mdio. Currently supported string/device is "fsl,tsec-mdio". + - reg : Offset and length of the register set for the device + +Example: + + mdio@24520 { + compatible = "fsl,tsec-mdio"; + reg = <0x24520 0x20>; + + ethernet-phy@0 { + reg = <0>; + }; + }; |