From: Shawn Guo <shawnguo@kernel.org>
To: Schrempf Frieder <frieder.schrempf@kontron.de>
Cc: Fabio Estevam <festevam@gmail.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
NXP Linux Team <linux-imx@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Rob Herring <robh+dt@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Rob Herring <robh@kernel.org>
Subject: Re: [PATCH 2/2] ARM: dts: Change WDOG_ANY signal from push-pull to open-drain
Date: Tue, 23 Jun 2020 11:40:34 +0800 [thread overview]
Message-ID: <20200623034033.GJ30139@dragon> (raw)
In-Reply-To: <20200528144312.25980-2-frieder.schrempf@kontron.de>
On Thu, May 28, 2020 at 02:43:43PM +0000, Schrempf Frieder wrote:
> From: Frieder Schrempf <frieder.schrempf@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@vger.kernel.org
> Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Added 'imx6ul-kontron:' to subject and applied both patches.
Shawn
prev parent reply other threads:[~2020-06-23 3:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-28 14:43 [PATCH 1/2] ARM: dts: Move watchdog from Kontron i.MX6UL/ULL board to SoM Schrempf Frieder
2020-05-28 14:43 ` Schrempf Frieder
2020-05-28 14:43 ` [PATCH 2/2] ARM: dts: Change WDOG_ANY signal from push-pull to open-drain Schrempf Frieder
2020-05-28 14:43 ` Schrempf Frieder
2020-06-23 3:40 ` Shawn Guo [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200623034033.GJ30139@dragon \
--to=shawnguo@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=festevam@gmail.com \
--cc=frieder.schrempf@kontron.de \
--cc=kernel@pengutronix.de \
--cc=krzk@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-imx@nxp.com \
--cc=linux-kernel@vger.kernel.org \
--cc=robh+dt@kernel.org \
--cc=robh@kernel.org \
--cc=s.hauer@pengutronix.de \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.