ARM: dts: imx6qdl-kontron-samx6i: fix board reset

On i.MX6 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@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

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 d6c049b9a9c69fa03977cc3d8c12aa5e4dcc1426..700780bf64f5844e2a991acad8aba126276173fb 100644 (file)
--- 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 @@
        /* CPLD is feeded by watchdog (hardwired) */
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_wdog1>;
+       fsl,ext-reset-output;
        status = "okay";
 };