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-rw-r--r--kernel/Documentation/devicetree/bindings/net/phy.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/net/phy.txt b/kernel/Documentation/devicetree/bindings/net/phy.txt
index 40831fbaf..525e1658f 100644
--- a/kernel/Documentation/devicetree/bindings/net/phy.txt
+++ b/kernel/Documentation/devicetree/bindings/net/phy.txt
@@ -30,6 +30,9 @@ Optional Properties:
- max-speed: Maximum PHY supported speed (10, 100, 1000...)
+- broken-turn-around: If set, indicates the PHY device does not correctly
+ release the turn around line low at the end of a MDIO transaction.
+
Example:
ethernet-phy@0 {