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3 commits

Author SHA1 Message Date
Justin Hibbits
4332304f56 Fix ds1307 probing 
'compat' can never be NULL, because the compatible check loop ends when
compat->ocd_str is NULL.  This causes ds1307 to attach to any unclaimed i2c
device.
 2016-09-24 05:27:12 +00:00
Justin Hibbits
cc8a3448d9 Add support for the Microchip mcp7941x. 
This is compatible with the ds1307, but comparing the mcp7941x datasheet vs the
ds1307 code, appears there is one bit placement difference, so that is now
accounted for.

Relnotes:	yes
 2016-04-05 03:27:33 +00:00
Luiz Otavio O Souza
d7eb38c008 Add a driver for the Dallas/Maxim DS1307, another common i2c RTC. 
Many thanks to ian who gently provided me the DS1307 breakout board.

Tested on:		Raspberry pi
Differential Revision:	https://reviews.freebsd.org/D2022
Reviewed by:		rpaulo
 2015-03-20 19:51:24 +00:00