https://community.nxp.com/t5/i-MX-Processors/Watchdog-on-iMX28/m-p/414256#M62090 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I enabled "Freescale STMP3XXX &amp;&nbsp; i.MX23/28 watchdog" in the virtual/kernel menuconfig of my linux image.</P><P></P><P>So, now, I have "/dev/watchdog" device.</P><P></P><P>If I write something into "/dev/watchdog", the watchdog start and I need to write something every 15 sec max otherwise my board restart. </P><P></P><P>But I would like to know if it's possible to stop the watchdog ? And if I can change the timeout delay (15 sec) ?</P><P></P><P>Many thanks,</P><P></P><P>Damien</P></BODY></HTML> Fri, 08 May 2015 12:53:55 GMT dgotfroi 2015-05-08T12:53:55Z https://community.nxp.com/t5/i-MX-Processors/Watchdog-on-iMX28/m-p/414256#M62090 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I enabled "Freescale STMP3XXX &amp;&nbsp; i.MX23/28 watchdog" in the virtual/kernel menuconfig of my linux image.</P><P></P><P>So, now, I have "/dev/watchdog" device.</P><P></P><P>If I write something into "/dev/watchdog", the watchdog start and I need to write something every 15 sec max otherwise my board restart. </P><P></P><P>But I would like to know if it's possible to stop the watchdog ? And if I can change the timeout delay (15 sec) ?</P><P></P><P>Many thanks,</P><P></P><P>Damien</P></BODY></HTML> Fri, 08 May 2015 12:53:55 GMT https://community.nxp.com/t5/i-MX-Processors/Watchdog-on-iMX28/m-p/414256#M62090 dgotfroi 2015-05-08T12:53:55Z https://community.nxp.com/t5/i-MX-Processors/Watchdog-on-iMX28/m-p/414257#M62091 <HTML><HEAD></HEAD><BODY><P>Hi Damien</P><P></P><P>I would suggest to check Chapter 27 Watchdog (WDOG) Driver</P><P><A href="http://www.freescale.com/files/32bit/doc/ref_manual/evk09_12_imx23_Linux_RM.pdf" title="http://www.freescale.com/files/32bit/doc/ref_manual/evk09_12_imx23_Linux_RM.pdf">http://www.freescale.com/files/32bit/doc/ref_manual/evk09_12_imx23_Linux_RM.pdf</A> </P><P><A href="http://www.jann.cc/2012/08/23/building_a_kernel_3_x_for_the_olinuxino_from_sources.html" title="http://www.jann.cc/2012/08/23/building_a_kernel_3_x_for_the_olinuxino_from_sources.html">Building a kernel 3.x for the iMX233-OLinuXino — Christian's Blog</A> </P><P><A href="http://www.jann.cc/2013/02/02/linux_watchdog.html" title="http://www.jann.cc/2013/02/02/linux_watchdog.html">Using the Watchdog Timer in Linux — Christian's Blog</A> </P><P></P><P>Best regards</P><P>igor</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Mon, 11 May 2015 00:29:26 GMT https://community.nxp.com/t5/i-MX-Processors/Watchdog-on-iMX28/m-p/414257#M62091 igorpadykov 2015-05-11T00:29:26Z