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ARM: dts: imx6-tx6: specify ethernet phy reset post-delay

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Under certain circumstances the ethernet PHY cannot be detected on
Ka-Ro electronics TX6 modules. Using a phy-reset-post-delay of at least
2ms alleviates this problem. Define it to 10ms to be on the safe side.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Lothar Waßmann
2017-10-17 11:17:57 +02:00
committed by Shawn Guo
parent 3fd415af18
commit 9b2d840584
1 changed files with 1 additions and 0 deletions
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arch/arm/boot/dts/imx6qdl-tx6.dtsi
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@@ -249,6 +249,7 @@ &fec {
clock-names = "ipg", "ahb", "ptp", "enet_out";
phy-mode = "rmii";
phy-reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
phy-reset-post-delay = <10>;
phy-handle = <&etnphy>;
phy-supply = <&reg_3v3_etn>;
status = "okay";