Thread (3 messages) 3 messages, 2 authors, 2020-06-23

Re: [PATCH 2/2] ARM: dts: Change WDOG_ANY signal from push-pull to open-drain

From: Shawn Guo <shawnguo@kernel.org>
Date: 2020-06-23 03:40:46
Also in: lkml, stable

On Thu, May 28, 2020 at 02:43:43PM +0000, Schrempf Frieder wrote:
From: Frieder Schrempf <redacted>

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 <redacted>
Added 'imx6ul-kontron:' to subject and applied both patches.

Shawn
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