netdev - [PATCH v2 1/2] net: phy: dp83867: Add documentation for SGMII mode type

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Message-Id: <1568026945-3857-2-git-send-email-vitaly.gaiduk@cloudbear.ru>
Date:   Mon,  9 Sep 2019 14:02:23 +0300
From:   Vitaly Gaiduk <vitaly.gaiduk@...udbear.ru>
To:     davem@...emloft.net, robh+dt@...nel.org, f.fainelli@...il.com
Cc:     Vitaly Gaiduk <vitaly.gaiduk@...udbear.ru>,
        Mark Rutland <mark.rutland@....com>,
        Andrew Lunn <andrew@...n.ch>,
        Trent Piepho <tpiepho@...inj.com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] net: phy: dp83867: Add documentation for SGMII mode type

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

Signed-off-by: Vitaly Gaiduk <vitaly.gaiduk@...udbear.ru>
---
Changes in v2:
- renamed ti,sgmii-type to ti,sgmii-ref-clock-output-enable
  and extended description

 Documentation/devicetree/bindings/net/ti,dp83867.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt
index db6aa3f..c98c682 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83867.txt
+++ b/Documentation/devicetree/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 the fact 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
--
2.7.4