From patchwork Thu Jun 19 18:20:28 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 4385441 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 0DB1D9F1D6 for ; Thu, 19 Jun 2014 18:24:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 367B92037E for ; Thu, 19 Jun 2014 18:24:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 699A120034 for ; Thu, 19 Jun 2014 18:24:21 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wxgxq-0000x6-Nh; Thu, 19 Jun 2014 18:21:34 +0000 Received: from bhuna.collabora.co.uk ([93.93.135.160]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wxgxm-0000sM-Bu for linux-arm-kernel@lists.infradead.org; Thu, 19 Jun 2014 18:21:31 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: javier) with ESMTPSA id BB335602697 From: Javier Martinez Canillas To: Lee Jones 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> X-Mailer: git-send-email 2.0.0.rc2 In-Reply-To: <1403202040-12641-1-git-send-email-javier.martinez@collabora.co.uk> References: <1403202040-12641-1-git-send-email-javier.martinez@collabora.co.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140619_112130_591261_18EE0F40 X-CRM114-Status: GOOD ( 12.07 ) X-Spam-Score: -0.0 (/) Cc: Alessandro Zummo , Krzysztof Kozlowski , Kukjin Kim , Mike Turquette , Samuel Ortiz , Tomeu Vizoso , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Liam Girdwood , Doug Anderson , linux-samsung-soc@vger.kernel.org, Sjoerd Simons , Mark Brown , Olof Johansson , linux-arm-kernel@lists.infradead.org, Daniel Stone X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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,