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From: "Jayachandran C." <jchandra@freebsd.org>
To: Rafal Jaworowski <raj@semihalf.com>
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Subject: Re: svn commit: r232028 - in user/jchandra/xlp-merge/sys: conf
	dev/iicbus
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On Thu, Feb 23, 2012 at 7:42 PM, Rafal Jaworowski <raj@semihalf.com> wrote:
>
> On 2012-02-23, at 06:36, Jayachandran C. wrote:
>
>> Author: jchandra
>> Date: Thu Feb 23 05:36:49 2012
>> New Revision: 232028
>> URL: http://svn.freebsd.org/changeset/base/232028
>>
>> Log:
>> =A0Move driver for DS1374 RTC to sys/dev/iicbus
>>
>> =A0The earlier version of the driver was sys/mips/rmi/dev/iic/ds1374u.c
>
> Is the DS1374 very different from other DS13xx chips?
>
> We have some patches locally that extend the current DS133x into DS13xx i=
.e. support also DS1388 for example, so I was wondering if the DS1374 could=
 be just squeezed in as well? See http://people.freebsd.org/~raj/patches/mi=
sc/ds13xx.diff

I had a quick look at the datasheets, the 1374 registers uses a  time
of day counter, while the 133x uses a BCD coded date representation.

The other features which we do not support now(alarm/watchdog etc)
also seems different, so merging the drivers may not result in
reducing code.

JC.