rtc: add rtc-abx80x, a driver for the Abracon AB x80x i2c rtc
This is a basic driver for the ultra-low-power Abracon AB x80x series
of RTC chips. It supports in particular, the supersets AB0805 and AB1805.
It allows reading and writing the time, and enables the supercapacitor or
battery charger.
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index cad667a..aa6d901 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -166,4 +166,13 @@
help
Enable STM32 RTC driver. This driver supports the rtc that is present
on some STM32 SoCs.
+
+config RTC_ABX80X
+ bool "Enable Abracon ABx80x RTC driver"
+ depends on DM_RTC
+ help
+ If you say yes here you get support for Abracon AB080X and AB180X
+ families of ultra-low-power battery- and capacitor-backed real-time
+ clock chips.
+
endmenu