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rtc: tps65910: Support wakeup-source property

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TPS65910 is a PMIC MFD device and RTC is one of its functions. The
wakeup-source DT property is specified for the parent MFD device and we
need to use this property for the RTC in order to allow to use RTC alarm
for waking up system from suspend by default, instead of requiring user
to enable wakeup manually via sysfs.

Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Matt Merhar <mattmerhar@protonmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210120211603.18555-1-digetx@gmail.com
This commit is contained in:
Dmitry Osipenko 2021-01-21 00:16:02 +03:00 committed by Alexandre Belloni
parent f66e7f2d32
commit 454ba154a6
1 changed files with 7 additions and 3 deletions
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10
drivers/rtc/rtc-tps65910.c
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@ -418,10 +418,14 @@ static int tps65910_rtc_probe(struct platform_device *pdev)
irq = -1;
tps_rtc->irq = irq;
if (irq != -1)
device_set_wakeup_capable(&pdev->dev, 1);
else
if (irq != -1) {
if (device_property_present(tps65910->dev, "wakeup-source"))
device_init_wakeup(&pdev->dev, 1);
else
device_set_wakeup_capable(&pdev->dev, 1);
} else {
clear_bit(RTC_FEATURE_ALARM, tps_rtc->rtc->features);
}
tps_rtc->rtc->ops = &tps65910_rtc_ops;
tps_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;