On Wed, May 20, 2015 at 9:59 AM, Yannick Calmettes <yannick.calmettes at analogway.com> wrote: > Dear Fabio, > > I read the value through sysfs. In DTS file i have configured the GPIO with > value 0x80000000 (no configuration normally) Please try 0xc0000000 instead. Regards, Fabio Estevam