Commit e9a5a1b4 authored by Hugo Villeneuve's avatar Hugo Villeneuve Committed by Alexandre Belloni
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rtc: pcf2127: add UIE support for PCF2131 



The PCF2127/29 do NOT support alarms with a 1 second resolution, but
the PCF2131 does.

Signed-off-by: default avatarHugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20230622145800.2442116-17-hugo@hugovil.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 081602a1

drivers/rtc/rtc-pcf2127.c

+10 −2
Original line number Diff line number Diff line
@@ -1128,8 +1128,16 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap, 
	pcf2127->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;

	pcf2127->rtc->range_max = RTC_TIMESTAMP_END_2099;

	pcf2127->rtc->set_start_time = true; /* Sets actual start to 1970 */



	/*

	 * PCF2127/29 do not work correctly when setting alarms at 1s intervals.

	 * PCF2131 is ok.

	 */

	if (pcf2127->cfg->type == PCF2127 || pcf2127->cfg->type == PCF2129) {

		set_bit(RTC_FEATURE_ALARM_RES_2S, pcf2127->rtc->features);

		clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, pcf2127->rtc->features);

	}



	clear_bit(RTC_FEATURE_ALARM, pcf2127->rtc->features);



	if (alarm_irq > 0) {