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How to use i.MX6 DL Watchdog WDOG2

Question asked by Xi Guo on Apr 28, 2016
Latest reply on Nov 1, 2016 by Jrtiger Lee

Hi All,

I'm using i.MX6 DL on linux system. The default WDOG signal is WDOG2(SD1_DAT3). It connect to external PMIC. Can anyone help my follow question

1. Can WDOG2 reset external PMIC when linux system is hang up? How to set it? Do I need to change to WDOG1?

2. What's the difference between WDOG1 and WDOG2?  What about WDOG2 in TZ mode?

 

Thanks in advance.

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