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[62.107.28.193]) by smtp.googlemail.com with ESMTPSA id y125sm21472265wmc.39.2019.04.14.05.06.39 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 14 Apr 2019 05:06:39 -0700 (PDT) From: Bruno Thomsen To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] ARM: dts: bugfix tqma7 soft reset issue Date: Sun, 14 Apr 2019 14:06:29 +0200 Message-Id: <20190414120629.8912-1-bruno.thomsen@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190414_050643_825981_B3DE1916 X-CRM114-Status: GOOD ( 10.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, laa@kamstrup.com, festevam@gmail.com, s.hauer@pengutronix.de, clemens.ml@gmx.net, Bruno Thomsen , ksc@kamstrup.com, robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, shawnguo@kernel.org, Markus Niebel Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Running reboot command on the TQMa7 board would just hang infinite at the end of the system shutdown process. Handling of i.MX7 errata e10574: Watchdog: A watchdog timeout or software trigger will not reset the SOC. Signed-off-by: Bruno Thomsen Reviewed-by: Markus Niebel --- arch/arm/boot/dts/imx7-tqma7.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/imx7-tqma7.dtsi b/arch/arm/boot/dts/imx7-tqma7.dtsi index 85fe461e5e67..896eff839d5e 100644 --- a/arch/arm/boot/dts/imx7-tqma7.dtsi +++ b/arch/arm/boot/dts/imx7-tqma7.dtsi @@ -228,5 +228,12 @@ }; &wdog1 { + /* + * Errata e10574: + * WDOG reset needs to run with WDOG_RESET_B signal enabled. + * X1-51 (WDOG1#) signal needs carrier board handling to reset + * TQMa7 on X1-22 (RESET_IN#). + */ + fsl,ext-reset-output; status = "okay"; }; -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel