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-rw-r--r--Documentation/devicetree/bindings/net/mdio.yaml6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/mdio.yaml b/Documentation/devicetree/bindings/net/mdio.yaml
index ab4a9df8b8e2..cd6c6ae6dabb 100644
--- a/Documentation/devicetree/bindings/net/mdio.yaml
+++ b/Documentation/devicetree/bindings/net/mdio.yaml
@@ -45,6 +45,12 @@ properties:
defined 2.5MHz should only be used when all devices on the bus support
the given clock speed.
+ suppress-preamble:
+ description:
+ The 32 bit preamble should be suppressed. In order for this to
+ work, all devices on the bus must support suppressed preamble.
+ type: boolean
+
patternProperties:
"^ethernet-phy@[0-9a-f]+$":
type: object