[PATCH 2/2] ARM: dts: Change WDOG_ANY signal from push-pull to open-drain
shawnguo at kernel.org
Mon Jun 22 23:40:34 EDT 2020
On Thu, May 28, 2020 at 02:43:43PM +0000, Schrempf Frieder wrote:
> From: Frieder Schrempf <frieder.schrempf at kontron.de>
> 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 at vger.kernel.org
> Signed-off-by: Frieder Schrempf <frieder.schrempf at kontron.de>
Added 'imx6ul-kontron:' to subject and applied both patches.
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