From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuiko Oshino Subject: [PATCH v2 net-next 2/2] dt-bindings: net: add support for Microchip KSZ9131 Ethernet PHY Date: Thu, 27 Sep 2018 16:16:55 -0400 Message-ID: <1538079415-6260-1-git-send-email-yuiko.oshino@microchip.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: devicetree@vger.kernel.org Add support for Microchip Technology KSZ9131 10/100/1000 Ethernet PHY Signed-off-by: Yuiko Oshino --- .../devicetree/bindings/net/micrel-ksz90x1.txt | 29 +++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt index e22d8cf..d23d14a 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/Microchip 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 +64,33 @@ 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 minimum + value is 0, and the maximum is property-dependent. The increment + step is 100ps. The default value is the neutral setting, so setting + rxc-skew-ps=<0> actually results in -700 picoseconds adjustment. + + Optional properties: + + Maximum value of 2400, default value 700: + + - rxc-skew-ps : Skew control of RX clock pad + - txc-skew-ps : Skew control of TX clock pad + + Maximum value of 1500, default value 700: + + - rxdv-skew-ps : Skew control of RX CTL pad + - txen-skew-ps : Skew control of TX CTL pad + - rxd0-skew-ps : Skew control of RX data 0 pad + - rxd1-skew-ps : Skew control of RX data 1 pad + - rxd2-skew-ps : Skew control of RX data 2 pad + - rxd3-skew-ps : Skew control of RX data 3 pad + - txd0-skew-ps : Skew control of TX data 0 pad + - txd1-skew-ps : Skew control of TX data 1 pad + - txd2-skew-ps : Skew control of TX data 2 pad + - txd3-skew-ps : Skew control of TX data 3 pad + Examples: mdio { -- 2.7.4