net: fec: Support phys probed from devicetree and fixed-link

[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / net / fsl-fec.txt

diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
index 6bc84ad..8a2c7b5 100644 (file)
--- a/Documentation/devicetree/bindings/net/fsl-fec.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
@@ -12,7 +12,14 @@ Optional properties:
   only if property "phy-reset-gpios" is available.  Missing the property
   will have the duration be 1 millisecond.  Numbers greater than 1000 are
   invalid and 1 millisecond will be used instead.
-- phy-supply: regulator that powers the Ethernet PHY.
+- phy-supply : regulator that powers the Ethernet PHY.
+- phy-handle : phandle to the PHY device connected to this device.
+- fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
+  Use instead of phy-handle.
+
+Optional subnodes:
+- mdio : specifies the mdio bus in the FEC, used as a container for phy nodes
+  according to phy.txt in the same directory
 
 Example:
 
@@ -25,3 +32,23 @@ ethernet@83fec000 {
        local-mac-address = [00 04 9F 01 1B B9];
        phy-supply = <&reg_fec_supply>;
 };
+
+Example with phy specified:
+
+ethernet@83fec000 {
+       compatible = "fsl,imx51-fec", "fsl,imx27-fec";
+       reg = <0x83fec000 0x4000>;
+       interrupts = <87>;
+       phy-mode = "mii";
+       phy-reset-gpios = <&gpio2 14 0>; /* GPIO2_14 */
+       local-mac-address = [00 04 9F 01 1B B9];
+       phy-supply = <&reg_fec_supply>;
+       phy-handle = <&ethphy>;
+       mdio {
+               ethphy: ethernet-phy@6 {
+                       compatible = "ethernet-phy-ieee802.3-c22";
+                       reg = <6>;
+                       max-speed = <100>;
+               };
+       };
+};