From: gregory.clement@free-electrons.com (Gregory CLEMENT)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/5] rtc: armada38x: Add the device tree binding documentation
Date: Thu, 15 Jan 2015 09:25:09 +0100 [thread overview]
Message-ID: <54B77965.4040201@free-electrons.com> (raw)
In-Reply-To: <20150115092417.1db53b82@free-electrons.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Gregory CLEMENT <gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Thomas Petazzoni
<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: Alessandro Zummo
<a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org>,
rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
Sebastian Hesselbarth
<sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Arnaud Ebalard <arno-LkuqDEemtHBg9hUCZPvPmw@public.gmane.org>,
Ezequiel Garcia
<ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Boris BREZILLON
<boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Lior Amsalem <alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Tawfik Bayouk <tawfik-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Nadav Haklai <nadavh-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 1/5] rtc: armada38x: Add the device tree binding documentation
Date: Thu, 15 Jan 2015 09:25:09 +0100 [thread overview]
Message-ID: <54B77965.4040201@free-electrons.com> (raw)
In-Reply-To: <20150115092417.1db53b82-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.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
--
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next prev parent reply other threads:[~2015-01-15 8:25 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-14 17:39 [PATCH v2 0/5] Add a new RTC driver for recent mvebu SoCs Gregory CLEMENT
2015-01-14 17:39 ` Gregory CLEMENT
2015-01-14 17:39 ` [PATCH v2 1/5] rtc: armada38x: Add the device tree binding documentation Gregory CLEMENT
2015-01-14 17:39 ` Gregory CLEMENT
2015-01-14 19:22 ` Thomas Petazzoni
2015-01-14 19:22 ` Thomas Petazzoni
2015-01-15 7:50 ` Gregory CLEMENT
2015-01-15 7:50 ` Gregory CLEMENT
2015-01-15 8:24 ` Thomas Petazzoni
2015-01-15 8:24 ` Thomas Petazzoni
2015-01-15 8:25 ` Gregory CLEMENT [this message]
2015-01-15 8:25 ` Gregory CLEMENT
2015-01-14 17:39 ` [PATCH v2 2/5] drivers/rtc/rtc-armada38x: Add a new RTC driver for recent mvebu SoCs Gregory CLEMENT
2015-01-14 17:39 ` Gregory CLEMENT
2015-01-14 20:55 ` Arnaud Ebalard
2015-01-14 20:55 ` Arnaud Ebalard
2015-01-15 9:51 ` Gregory CLEMENT
2015-01-15 9:51 ` Gregory CLEMENT
2015-01-14 17:39 ` [PATCH v2 3/5] MAINTAINERS: Add the RTC driver for the Armada38x Gregory CLEMENT
2015-01-14 17:39 ` Gregory CLEMENT
2015-01-14 17:39 ` [PATCH v2 4/5] ARM: mvebu: add Device Tree description of RTC on Armada 38x Gregory CLEMENT
2015-01-14 17:39 ` Gregory CLEMENT
2015-01-14 17:39 ` [PATCH v2 5/5] ARM: mvebu: enable Armada 38x RTC driver in mvebu_v7_defconfig Gregory CLEMENT
2015-01-14 17:39 ` Gregory CLEMENT
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