ARM: dts: imx6ul-kontron: Change WDOG_ANY signal from push-pull to open-drain
authorFrieder Schrempf <frieder.schrempf@kontron.de>
Thu, 28 May 2020 14:43:43 +0000 (14:43 +0000)
committerShawn Guo <shawnguo@kernel.org>
Tue, 23 Jun 2020 03:39:35 +0000 (11:39 +0800)
commitd22a16cc92e04d053fd807ef3587e4f135e4206f
treea6c3b0e41dc73ac6e5bea891c849a6fb3d230de2
parent04a2c05179b732a4c097f0a9c701ef4c9a37e1e3
ARM: dts: imx6ul-kontron: Change WDOG_ANY signal from push-pull to open-drain

The WDOG_ANY signal is connected to the RESET_IN signal of the SoM
and baseboard. It is currently configured as push-pull, which means
that if some external device like a programmer wants to assert the
RESET_IN signal by pulling it to ground, it drives against the high
level WDOG_ANY output of the SoC.

To fix this we set the WDOG_ANY signal to open-drain configuration.
That way we make sure that the RESET_IN can be asserted by the
watchdog as well as by external devices.

Fixes: 1ea4b76cdfde ("ARM: dts: imx6ul-kontron-n6310: Add Kontron i.MX6UL N6310 SoM and boards")
Cc: stable@vger.kernel.org
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm/boot/dts/imx6ul-kontron-n6x1x-som-common.dtsi