Add documentation of ti,sgmii-type which can be used to select
SGMII mode type (4 or 6-wire).

Signed-off-by: Vitaly Gaiduk <[email protected]>
---
 Documentation/devicetree/bindings/net/ti,dp83867.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt 
b/Documentation/devicetree/bindings/net/ti,dp83867.txt
index db6aa3f2215b..18e7fd52897f 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83867.txt
+++ b/Documentation/devicetree/bindings/net/ti,dp83867.txt
@@ -37,6 +37,7 @@ 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-type - This denotes the fact which SGMII mode is used (4 or 
6-wire).
 
 Note: ti,min-output-impedance and ti,max-output-impedance are mutually
       exclusive. When both properties are present ti,max-output-impedance
-- 
2.16.4

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