befcc3e26b
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 |
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ad7417.c | ||
ad7418.c | ||
adm1030.c | ||
adt746x.c | ||
ds133x.c | ||
ds1374.c | ||
ds1631.c | ||
ds1672.c | ||
ds1775.c | ||
ds3231.c | ||
ds3231reg.h | ||
icee.c | ||
if_ic.c | ||
iic.c | ||
iic.h | ||
iicbb_if.m | ||
iicbb.c | ||
iicbus_if.m | ||
iicbus.c | ||
iicbus.h | ||
iicoc.c | ||
iicoc.h | ||
iiconf.c | ||
iiconf.h | ||
iicsmb.c | ||
lm75.c | ||
max6690.c | ||
pcf8563.c | ||
pcf8563reg.h | ||
s35390a.c |