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-rw-r--r--Documentation/devicetree/bindings/net/marvell-orion-mdio.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt
index 34e7aafa321c..052b5f28a624 100644
--- a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt
+++ b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt
@@ -9,6 +9,9 @@ Required properties:
- compatible: "marvell,orion-mdio"
- reg: address and length of the SMI register
+Optional properties:
+- interrupts: interrupt line number for the SMI error/done interrupt
+
The child nodes of the MDIO driver are the individual PHY devices
connected to this MDIO bus. They must have a "reg" property given the
PHY address on the MDIO bus.

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