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-rw-r--r--dts/Bindings/net/ti,dp83867.txt4
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diff --git a/dts/Bindings/net/ti,dp83867.txt b/dts/Bindings/net/ti,dp83867.txt
index db6aa3f221..388ff48f53 100644
--- a/dts/Bindings/net/ti,dp83867.txt
+++ b/dts/Bindings/net/ti,dp83867.txt
@@ -37,6 +37,10 @@ Optional property:
for applicable values. The CLK_OUT pin can also
be disabled by this property. When omitted, the
PHY's default will be left as is.
+ - ti,sgmii-ref-clock-output-enable - This denotes which
+ SGMII configuration is used (4 or 6-wire modes).
+ Some MACs work with differential SGMII clock.
+ See data manual for details.
Note: ti,min-output-impedance and ti,max-output-impedance are mutually
exclusive. When both properties are present ti,max-output-impedance