From mboxrd@z Thu Jan 1 00:00:00 1970 From: Javier Martinez Canillas Subject: [PATCH v3 02/14] mfd: max77686: Allow the max77686 rtc to wakeup the system Date: Thu, 19 Jun 2014 20:20:28 +0200 Message-ID: <1403202040-12641-3-git-send-email-javier.martinez@collabora.co.uk> References: <1403202040-12641-1-git-send-email-javier.martinez@collabora.co.uk> Return-path: In-Reply-To: <1403202040-12641-1-git-send-email-javier.martinez@collabora.co.uk> Sender: linux-kernel-owner@vger.kernel.org To: Lee Jones Cc: Samuel Ortiz , Mark Brown , Mike Turquette , Liam Girdwood , Alessandro Zummo , Kukjin Kim , Doug Anderson , Olof Johansson , Sjoerd Simons , Daniel Stone , Tomeu Vizoso , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org From: Doug Anderson The max77686 includes an RTC that keeps power during suspend. It's convenient to be able to use it as a wakeup source. Signed-off-by: Doug Anderson --- drivers/rtc/rtc-max77686.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c index d20a7f0..c1c6055 100644 --- a/drivers/rtc/rtc-max77686.c +++ b/drivers/rtc/rtc-max77686.c @@ -583,6 +583,33 @@ static void max77686_rtc_shutdown(struct platform_device *pdev) #endif /* MAX77686_RTC_WTSR_SMPL */ } +#ifdef CONFIG_PM_SLEEP +static int max77686_rtc_suspend(struct device *dev) +{ + if (device_may_wakeup(dev)) { + struct max77686_rtc_info *info = dev_get_drvdata(dev); + + return enable_irq_wake(info->virq); + } + + return 0; +} + +static int max77686_rtc_resume(struct device *dev) +{ + if (device_may_wakeup(dev)) { + struct max77686_rtc_info *info = dev_get_drvdata(dev); + + return disable_irq_wake(info->virq); + } + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(max77686_rtc_pm_ops, + max77686_rtc_suspend, max77686_rtc_resume); + static const struct platform_device_id rtc_id[] = { { "max77686-rtc", 0 }, {}, @@ -592,6 +619,7 @@ static struct platform_driver max77686_rtc_driver = { .driver = { .name = "max77686-rtc", .owner = THIS_MODULE, + .pm = &max77686_rtc_pm_ops, }, .probe = max77686_rtc_probe, .shutdown = max77686_rtc_shutdown, -- 2.0.0.rc2