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rtc: pcf2127: add UIE support for PCF2131

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

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20230622145800.2442116-17-hugo@hugovil.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Hugo Villeneuve 2023-06-22 10:57:59 -04:00 committed by Alexandre Belloni
parent 081602a1d8
commit e9a5a1b418
1 changed files with 10 additions and 2 deletions
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12
drivers/rtc/rtc-pcf2127.c
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@ -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 */
set_bit(RTC_FEATURE_ALARM_RES_2S, pcf2127->rtc->features);
clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, pcf2127->rtc->features);
/*
* 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) {