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 <bruno.thomsen@xxxxxxxxx>
Reviewed-by: Markus Niebel <Markus.Niebel@xxxxxxxxxxxx>
---
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
