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Message-ID: <1539889562-21458-3-git-send-email-yuiko.oshino@microchip.com>
Date:   Thu, 18 Oct 2018 15:06:02 -0400
From:   Yuiko Oshino <yuiko.oshino@...rochip.com>
To:     <davem@...emloft.net>, <robh+dt@...nel.org>,
        <devicetree@...r.kernel.org>, <f.fainelli@...il.com>,
        <andrew@...n.ch>
CC:     <linux-kernel@...r.kernel.org>, <mark.rutland@....com>,
        <m.felsch@...gutronix.de>, <Markus.Niebel@....de>,
        <netdev@...r.kernel.org>, <UNGLinuxDriver@...rochip.com>
Subject: [PATCH v3 net-next 2/2] dt-bindings: net: add support for Microchip KSZ9131

Add support for Microchip Technology KSZ9131 10/100/1000 Ethernet PHY

Signed-off-by: Yuiko Oshino <yuiko.oshino@...rochip.com>
---
 .../devicetree/bindings/net/micrel-ksz90x1.txt     | 28 +++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
index e22d8cf..5100358 100644
--- a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
+++ b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
@@ -1,4 +1,4 @@
-Micrel KSZ9021/KSZ9031 Gigabit Ethernet PHY
+Micrel KSZ9021/KSZ9031/KSZ9131 Gigabit Ethernet PHY
 
 Some boards require special tuning values, particularly when it comes
 to clock delays. You can specify clock delay values in the PHY OF
@@ -64,6 +64,32 @@ KSZ9031:
         Attention: The link partner must be configurable as slave otherwise
         no link will be established.
 
+KSZ9131:
+
+  All skew control options are specified in picoseconds. The increment
+  step is 100ps. Unlike KSZ9031, the values represent picoseccond delays.
+  A negative value can be assigned as rxc-skew-psec = <(-100)>;.
+
+  Optional properties:
+
+    Range of the value -700 to 2400, default value 0:
+
+      - rxc-skew-psec : Skew control of RX clock pad
+      - txc-skew-psec : Skew control of TX clock pad
+
+    Range of the value -700 to 800, default value 0:
+
+      - rxdv-skew-psec : Skew control of RX CTL pad
+      - txen-skew-psec : Skew control of TX CTL pad
+      - rxd0-skew-psec : Skew control of RX data 0 pad
+      - rxd1-skew-psec : Skew control of RX data 1 pad
+      - rxd2-skew-psec : Skew control of RX data 2 pad
+      - rxd3-skew-psec : Skew control of RX data 3 pad
+      - txd0-skew-psec : Skew control of TX data 0 pad
+      - txd1-skew-psec : Skew control of TX data 1 pad
+      - txd2-skew-psec : Skew control of TX data 2 pad
+      - txd3-skew-psec : Skew control of TX data 3 pad
+
 Examples:
 
 	mdio {
-- 
2.7.4

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