rtc: add alarm related features

Add more alarm related features to be declared by drivers.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211018151933.76865-2-alexandre.belloni@bootlin.com

diff --git a/include/uapi/linux/rtc.h b/include/uapi/linux/rtc.h
index f950bff..f4037c5 100644 (file)
--- a/include/uapi/linux/rtc.h
+++ b/include/uapi/linux/rtc.h
@@ -114,7 +114,9 @@ struct rtc_pll_info {
 #define RTC_FEATURE_ALARM              0
 #define RTC_FEATURE_ALARM_RES_MINUTE   1
 #define RTC_FEATURE_NEED_WEEK_DAY      2
-#define RTC_FEATURE_CNT                        3
+#define RTC_FEATURE_ALARM_RES_2S       3
+#define RTC_FEATURE_UPDATE_INTERRUPT   4
+#define RTC_FEATURE_CNT                        5
 
 #define RTC_MAX_FREQ   8192