From: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Date: Wed, 26 May 2021 10:53:59 +0000 (+0200)
Subject: ARM: dts: imx6q-dhcom: Fix ethernet plugin detection problems
X-Git-Tag: accepted/tizen/unified/20230118.172025~6845^2~21^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e2bdd3484890441b9cc2560413a86e8f2aa04157;p=platform%2Fkernel%2Flinux-rpi.git

ARM: dts: imx6q-dhcom: Fix ethernet plugin detection problems

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@dh-electronics.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: kernel@dh-electronics.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
index 19fc0b9a..efc771f 100644
--- a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
@@ -98,6 +98,7 @@
 			reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
 			reset-assert-us = <1000>;
 			reset-deassert-us = <1000>;
+			smsc,disable-energy-detect; /* Make plugin detection reliable */
 		};
 	};
 };