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rtc: tps65910: allow using RTC without alarm interrupt 

If tps65910 INT1 pin (IRQ output) is not wired to any IRQ controller,
then it can't be used as system wakeup/alarm source,
but it is still possible to read/write time from/to RTC.

Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Link: https://lore.kernel.org/r/20191116203748.27166-1-andrej.skvortzov@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Andrey Skvortsov 2019-11-16 23:37:48 +03:00 committed by Alexandre Belloni
parent 5ba03f8f68
commit db96d571a7
1 changed files with 16 additions and 7 deletions
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23
drivers/rtc/rtc-tps65910.c
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@ -361,6 +361,13 @@ static const struct rtc_class_ops tps65910_rtc_ops = {
.set_offset = tps65910_set_offset, .set_offset = tps65910_set_offset,
}; };
static const struct rtc_class_ops tps65910_rtc_ops_noirq = {
.read_time = tps65910_rtc_read_time,
.set_time = tps65910_rtc_set_time,
.read_offset = tps65910_read_offset,
.set_offset = tps65910_set_offset,
};
static int tps65910_rtc_probe(struct platform_device *pdev) static int tps65910_rtc_probe(struct platform_device *pdev)
{ {
struct tps65910 *tps65910 = NULL; struct tps65910 *tps65910 = NULL;
@ -414,14 +421,16 @@ static int tps65910_rtc_probe(struct platform_device *pdev)
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
tps65910_rtc_interrupt, IRQF_TRIGGER_LOW, tps65910_rtc_interrupt, IRQF_TRIGGER_LOW,
dev_name(&pdev->dev), &pdev->dev); dev_name(&pdev->dev), &pdev->dev);
if (ret < 0) { if (ret < 0)
dev_err(&pdev->dev, "IRQ is not free.\n"); irq = -1;
return ret;
} tps_rtc->irq = irq;
tps_rtc->irq = irq; if (irq != -1) {
device_set_wakeup_capable(&pdev->dev, 1); device_set_wakeup_capable(&pdev->dev, 1);
tps_rtc->rtc->ops = &tps65910_rtc_ops;
} else
tps_rtc->rtc->ops = &tps65910_rtc_ops_noirq;
tps_rtc->rtc->ops = &tps65910_rtc_ops;
tps_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; tps_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
tps_rtc->rtc->range_max = RTC_TIMESTAMP_END_2099; tps_rtc->rtc->range_max = RTC_TIMESTAMP_END_2099;