[PATCH 4.19 413/421] ARM: dts: imx6q-dhcom: Fix ethernet plugin detection problems

[Greg Kroah-Hartman]

From: Christoph Niedermaier <cniedermaier@xxxxxxxxxxxxxxxxxx>

[ Upstream commit e2bdd3484890441b9cc2560413a86e8f2aa04157 ]

To make the ethernet cable plugin detection reliable the
power detection of the smsc phy has been disabled.

Fixes: 52c7a088badd ("ARM: dts: imx6q: Add support for the DHCOM iMX6 SoM and PDK2")
Signed-off-by: Christoph Niedermaier <cniedermaier@xxxxxxxxxxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: Marek Vasut <marex@xxxxxxx>
Cc: NXP Linux Team <linux-imx@xxxxxxx>
Cc: kernel@xxxxxxxxxxxxxxxxxx
To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 arch/arm/boot/dts/imx6q-dhcom-som.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
index b158e530a796..6c08ef354a39 100644
--- a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
@@ -99,6 +99,7 @@
 			reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
 			reset-assert-us = <1000>;
 			reset-deassert-us = <1000>;
+			smsc,disable-energy-detect; /* Make plugin detection reliable */
 		};
 	};
 };
-- 
2.30.2