drivers: rtc: add max313xx series rtc driver
Adding support for Analog Devices MAX313XX series RTCs.
This is ported from the Linux driver and adapted for use in u-boot.
Notable differences are
- handling of tm_year and tm_mon differ
- clock source support is omitted
- hwmon support for the MAX31328 and MAX31343 is omitted
- rtc_ops->reset is added
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index b6c9029..308fab8 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -19,6 +19,7 @@
obj-$(CONFIG_$(SPL_TPL_)RTC_SANDBOX) += i2c_rtc_emul.o
obj-$(CONFIG_RTC_ISL1208) += isl1208.o
obj-$(CONFIG_RTC_M41T62) += m41t62.o
+obj-$(CONFIG_RTC_MAX313XX) += max313xx.o
obj-$(CONFIG_RTC_MC13XXX) += mc13xxx-rtc.o
obj-$(CONFIG_RTC_MC146818) += mc146818.o
obj-$(CONFIG_MCFRTC) += mcfrtc.o