From b73d538a01305446e843a6be45853cce1438acdd Mon Sep 17 00:00:00 2001 From: Russell King Date: Fri, 15 Jan 2021 23:36:44 +0000 Subject: [PATCH] ARM: dts: imx6-sr-som: increase at8035 PHY gigabit Tw parameter Increase the SmartEEE Tw parameter for Atheros PHYs to stop gigabit links from sporadically dropping. Jon Nettleton found that a value of 23 was the minimum to give a stable link, but testing with the Com Express 7 module shows 24 is the minimum - so 23 may still be on the margins. Use 24 instead for consistency across SolidRun platforms. Signed-off-by: Russell King Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx6qdl-sr-som.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/imx6qdl-sr-som.dtsi b/arch/arm/boot/dts/imx6qdl-sr-som.dtsi index 7e4e5fd0143a..0ad8ccde0cf8 100644 --- a/arch/arm/boot/dts/imx6qdl-sr-som.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sr-som.dtsi @@ -69,11 +69,13 @@ ethernet-phy@0 { reg = <0>; qca,clk-out-frequency = <125000000>; + qca,smarteee-tw-us-1g = <24>; }; ethernet-phy@4 { reg = <4>; qca,clk-out-frequency = <125000000>; + qca,smarteee-tw-us-1g = <24>; }; }; }; -- GitLab