From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuiko Oshino Subject: [PATCH v3 net-next 2/2] dt-bindings: net: add support for Microchip KSZ9131 Date: Thu, 18 Oct 2018 15:06:02 -0400 Message-ID: <1539889562-21458-3-git-send-email-yuiko.oshino@microchip.com> References: <1539889562-21458-1-git-send-email-yuiko.oshino@microchip.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1539889562-21458-1-git-send-email-yuiko.oshino@microchip.com> 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 | 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