netsec: ignore 'phy-mode' device property on ACPI systems

[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / net / socionext-netsec.txt

diff --git a/Documentation/devicetree/bindings/net/socionext-netsec.txt b/Documentation/devicetree/bindings/net/socionext-netsec.txt
index 9d6c9fe..a3c1dff 100644 (file)
--- a/Documentation/devicetree/bindings/net/socionext-netsec.txt
+++ b/Documentation/devicetree/bindings/net/socionext-netsec.txt
@@ -30,7 +30,9 @@ Optional properties: (See ethernet.txt file in the same directory)
 - max-frame-size: See ethernet.txt in the same directory.
 
 The MAC address will be determined using the optional properties
-defined in ethernet.txt.
+defined in ethernet.txt. The 'phy-mode' property is required, but may
+be set to the empty string if the PHY configuration is programmed by
+the firmware or set by hardware straps, and needs to be preserved.
 
 Example:
        eth0: ethernet@522d0000 {