rtc: ds1685: Add range
Useful range is 2000-2099 because leap year fails on centuries.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index e639047..5c0db6c 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -2043,6 +2043,10 @@ ds1685_rtc_probe(struct platform_device *pdev)
rtc_dev->ops = &ds1685_rtc_ops;
+ /* Century bit is useless because leap year fails in 1900 and 2100 */
+ rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_2000;
+ rtc_dev->range_max = RTC_TIMESTAMP_END_2099;
+
/* Maximum periodic rate is 8192Hz (0.122070ms). */
rtc_dev->max_user_freq = RTC_MAX_USER_FREQ;