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rtc: imxdi: add wakeup support

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The DryIce-based RTC supports alarms that trigger an interrupt.

Configure this interrupt as a wakeup source that wakes the system up
from standby mode.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210511161244.16111-1-martin@kaiser.cx
This commit is contained in:
Martin Kaiser 2021-05-11 18:12:44 +02:00 committed by Alexandre Belloni
parent 37401019fe
commit bcae59d0d4
1 changed files with 4 additions and 0 deletions
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4
drivers/rtc/rtc-imxdi.c
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@ -24,6 +24,7 @@
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm_wakeirq.h>
#include <linux/rtc.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
@ -811,6 +812,9 @@ static int __init dryice_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, imxdi);
device_init_wakeup(&pdev->dev, true);
dev_pm_set_wake_irq(&pdev->dev, norm_irq);
imxdi->rtc->ops = &dryice_rtc_ops;
imxdi->rtc->range_max = U32_MAX;