From: Yuiko Oshino <yuiko.oshino@microchip.com>
To: <davem@davemloft.net>, <robh+dt@kernel.org>,
<devicetree@vger.kernel.org>, <f.fainelli@gmail.com>,
<andrew@lunn.ch>
Cc: <linux-kernel@vger.kernel.org>, <mark.rutland@arm.com>,
<m.felsch@pengutronix.de>, <Markus.Niebel@tqs.de>,
<netdev@vger.kernel.org>, <UNGLinuxDriver@microchip.com>
Subject: [PATCH v3 net-next 2/2] dt-bindings: net: add support for Microchip KSZ9131
Date: Thu, 18 Oct 2018 15:06:02 -0400 [thread overview]
Message-ID: <1539889562-21458-3-git-send-email-yuiko.oshino@microchip.com> (raw)
In-Reply-To: <1539889562-21458-1-git-send-email-yuiko.oshino@microchip.com>
Add support for Microchip Technology KSZ9131 10/100/1000 Ethernet PHY
Signed-off-by: Yuiko Oshino <yuiko.oshino@microchip.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
next prev parent reply other threads:[~2018-10-18 18:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-18 19:06 [PATCH v3 net-next 0/2] Add support for Microchip Technology KSZ9131 10/100/1000 Ethernet PHY Yuiko Oshino
2018-10-18 19:06 ` [PATCH v3 net-next 1/2] net: phy: micrel: add Microchip KSZ9131 initial driver Yuiko Oshino
2018-10-18 19:06 ` Yuiko Oshino [this message]
2018-10-18 20:28 ` [PATCH v3 net-next 2/2] dt-bindings: net: add support for Microchip KSZ9131 Rob Herring
2021-10-13 15:38 ` Geert Uytterhoeven
2018-10-20 0:02 ` [PATCH v3 net-next 0/2] Add support for Microchip Technology KSZ9131 10/100/1000 Ethernet PHY David Miller
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