linux-kernel - [PATCH 03/10] ARM: dts: imx6qdl-kontron-samx6i: fix board reset

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Date: Tue,  4 Jun 2024 15:59:27 +0200
From: Michael Walle <mwalle@...nel.org>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Li Yang <leoyang.li@....com>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Priit Laes <plaes@...es.org>,
	Michael Grzeschik <m.grzeschik@...gutronix.de>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	Michael Walle <mwalle@...nel.org>
Subject: [PATCH 03/10] ARM: dts: imx6qdl-kontron-samx6i: fix board reset

On iMX.6 the board is reset by the watchdog. But in turn to do a
complete board reset, we have to assert the WDOG_B output which is
routed also to the CPLD which then do a complete power-cycle of the
board.

Fixes: 2125212785c9 ("ARM: dts: imx6qdl-kontron-samx6i: add Kontron SMARC SoM Support")
Signed-off-by: Michael Walle <mwalle@...nel.org>
---
 arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi
index d6c049b9a9c6..700780bf64f5 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi
@@ -817,5 +817,6 @@ &wdog1 {
 	/* CPLD is feeded by watchdog (hardwired) */
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_wdog1>;
+	fsl,ext-reset-output;
 	status = "okay";
 };
-- 
2.39.2