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authorFrieder Schrempf <frieder.schrempf@kontron.de>2020-05-28 16:43:43 +0200
committerShawn Guo <shawnguo@kernel.org>2020-06-23 05:39:35 +0200
commitd22a16cc92e04d053fd807ef3587e4f135e4206f (patch)
treea6c3b0e41dc73ac6e5bea891c849a6fb3d230de2 /Documentation/process/stable-api-nonsense.rst
parentARM: dts: imx6ul-kontron: Move watchdog from Kontron i.MX6UL/ULL board to SoM (diff)
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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>
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