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freebsd-dev/sys/dev/iicbus
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Luiz Otavio O Souza befcc3e26b Add a driver for the Maxim DS3231 a low-cost, extremely accurate (+-2PPM) 
I2C real-time clock (RTC).

The DS3231 has an integrated temperature-compensated crystal oscillator
(TXCO) and crystal.

DS3231 has a temperature sensor, an independent 32kHz output (which can be
turned on and off by the driver) and another output that can be used as
interrupt for alarms or as a second square-wave output, which frequency and
operation mode can be set by driver sysctl(8) knobs.

Differential Revision:	https://reviews.freebsd.org/D1016
Reviewed by:	ian, rpaulo
Tested on:	Raspberry pi model B
2015-02-28 19:02:44 +00:00
..
ad7417.c
ad7418.c Use DEVMETHOD_END macro defined in sys/bus.h instead of {0, 0} sentinel on device_method_t arrays 2013-01-30 18:01:20 +00:00
adm1030.c Move the adm1030 driver to the proper location, and rename it. 2014-10-16 01:32:22 +00:00
adt746x.c Use proper signed types. The ADT746x uses signed 8-bit numbers for the 2015-01-18 07:08:06 +00:00
ds133x.c Use DEVMETHOD_END macro defined in sys/bus.h instead of {0, 0} sentinel on device_method_t arrays 2013-01-30 18:01:20 +00:00
ds1374.c
ds1631.c Make more unsigned ints signed. 2013-12-07 22:25:07 +00:00
ds1672.c Use DEVMETHOD_END macro defined in sys/bus.h instead of {0, 0} sentinel on device_method_t arrays 2013-01-30 18:01:20 +00:00
ds1775.c Make more unsigned ints signed. 2013-12-07 22:25:07 +00:00
ds3231.c Add a driver for the Maxim DS3231 a low-cost, extremely accurate (+-2PPM) 2015-02-28 19:02:44 +00:00
ds3231reg.h Add a driver for the Maxim DS3231 a low-cost, extremely accurate (+-2PPM) 2015-02-28 19:02:44 +00:00
icee.c Use DEVMETHOD_END macro defined in sys/bus.h instead of {0, 0} sentinel on device_method_t arrays 2013-01-30 18:01:20 +00:00
if_ic.c Mechanically convert to if_inc_counter(). 2014-09-19 03:51:26 +00:00
iic.c Revert r268543. 2014-07-12 06:23:42 +00:00
iic.h Revert r268543. 2014-07-12 06:23:42 +00:00
iicbb_if.m
iicbb.c Allow the use of OFW I2C bus together with iicbb(4) on OFW-based systems. 2014-02-13 18:22:49 +00:00
iicbus_if.m Allow i2c bus speed to be configured via hints, FDT data, and sysctl. 2014-11-18 01:54:31 +00:00
iicbus.c Allow i2c bus speed to be configured via hints, FDT data, and sysctl. 2014-11-18 01:54:31 +00:00
iicbus.h Allow i2c bus speed to be configured via hints, FDT data, and sysctl. 2014-11-18 01:54:31 +00:00
iicoc.c
iicoc.h
iiconf.c Add a method to iicbus to request IIC_M_NOSTOP behaviour for multibyte 2014-10-27 07:51:26 +00:00
iiconf.h Revert r268543. 2014-07-12 06:23:42 +00:00
iicsmb.c
lm75.c Replace hardcoded sizes by sizeof() and nitems(). 2015-02-17 20:29:42 +00:00
max6690.c Check error return from reading integer part of temperature. 2014-10-12 23:48:55 +00:00
pcf8563.c
pcf8563reg.h
s35390a.c