From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH] ARM: dts: am335x-chilisom: Wakeup from RTC-only state by power on event Date: Thu, 5 Jan 2017 08:47:06 -0800 Message-ID: <20170105164706.GE4310@atomide.com> References: <20161209113327.19727-1-m.niestroj@grinn-global.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20161209113327.19727-1-m.niestroj-z3quKL4iOrmQ6ZAhV5LmOA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Marcin Niestroj Cc: =?utf-8?Q?Beno=C3=AEt?= Cousson , Rob Herring , Mark Rutland , linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-omap@vger.kernel.org * Marcin Niestroj [161209 03:33]: > On chiliSOM TPS65217 nWAKEUP pin is connected to AM335x internal RTC > EXT_WAKEUP input. In RTC-only state TPS65217 is notifying about power on > events (such as power buton presses) by setting nWAKEUP output > low. After that it waits 5s for proper device boot. Currently it doesn't > happen, as the processor doesn't listen for such events. Consequently > TPS65217 changes state from SLEEP (RTC-only state) to OFF. > > Enable EXT_WAKEUP input of AM335x's RTC, so the processor can properly > detect power on events and recover immediately from RTC-only states, > without powering off RTC and losing time. Applying into omap-for-v4.11/dt thanks. Tony -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html