From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregory.clement@free-electrons.com (Gregory CLEMENT) Date: Thu, 15 Jan 2015 09:25:09 +0100 Subject: [PATCH v2 1/5] rtc: armada38x: Add the device tree binding documentation In-Reply-To: <20150115092417.1db53b82@free-electrons.com> References: <1421257155-3379-1-git-send-email-gregory.clement@free-electrons.com> <1421257155-3379-2-git-send-email-gregory.clement@free-electrons.com> <20150114202252.457d328e@free-electrons.com> <54B7712F.2090509@free-electrons.com> <20150115092417.1db53b82@free-electrons.com> Message-ID: <54B77965.4040201@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Thomas, On 15/01/2015 09:24, Thomas Petazzoni wrote: > Dear Gregory CLEMENT, > > On Thu, 15 Jan 2015 08:50:07 +0100, Gregory CLEMENT wrote: > >>> Any reason to use <0x184A0 0xC> instead of <0x184A8 0x4> ? According to >>> the datasheet, there is only this 184A8 register for RTC stuff. >> >> Yes but according to the code I saw there were other registers related to the RTC >> from 0x184A0. Even if we don't use them now I prefer having an accurate mapping from >> the beginning for avoiding using negative offset as we needed to do in the past. > > So I presume you mean that there are undocumented registers, since I > didn't see them in the datasheet. Is this correct? Yes indeed there are not documented in the current version of our datasheet. Thanks, Gregory -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com