From patchwork Tue Jul 10 06:50:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "J, KEERTHY" X-Patchwork-Id: 10516187 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1856B603D7 for ; Tue, 10 Jul 2018 06:52:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0694028C13 for ; Tue, 10 Jul 2018 06:52:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EE2FD28C2B; Tue, 10 Jul 2018 06:52:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 98E2F28C13 for ; Tue, 10 Jul 2018 06:52:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932939AbeGJGwQ (ORCPT ); Tue, 10 Jul 2018 02:52:16 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:50394 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751046AbeGJGvW (ORCPT ); Tue, 10 Jul 2018 02:51:22 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id w6A6pAch057117; Tue, 10 Jul 2018 01:51:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1531205470; bh=df2Fs4DQpevOtnixiGjSBXZEN3IWtGv53nu1tMHN57g=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=QYmYEtajsn0Xs0dzfMUE2XF93VNHZlm35UpAmghwo7jXSgxuqvJa3j0FlZgbLQhc/ XOoaj0T890le/YotVWiDCNXXwESDtiRnfA8E+r4JnJpwvIRFBcBdFC8pSrFVIW+qLf sKRE23aOlzfv0wz1OI0iZJl6YZjteRMKHdh4BrVg= Received: from DLEE105.ent.ti.com (dlee105.ent.ti.com [157.170.170.35]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id w6A6pAqH018431; Tue, 10 Jul 2018 01:51:10 -0500 Received: from DLEE113.ent.ti.com (157.170.170.24) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Tue, 10 Jul 2018 01:51:10 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Tue, 10 Jul 2018 01:51:09 -0500 Received: from ula0393675.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id w6A6ouGW000378; Tue, 10 Jul 2018 01:51:07 -0500 From: Keerthy To: , CC: , , , , , Subject: [PATCH v3 4/4] rtc: interface: Add power_off_program to rtc_class_ops Date: Tue, 10 Jul 2018 12:20:52 +0530 Message-ID: <1531205452-6086-5-git-send-email-j-keerthy@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1531205452-6086-1-git-send-email-j-keerthy@ti.com> References: <1531205452-6086-1-git-send-email-j-keerthy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add an interface function to set up the rtc for a power_off mode. Signed-off-by: Keerthy --- Alexandre, If you feel power_off_program will be very use case specific then I can name this as custom_rtc_program so that even other rtc drivers if need be can use this for a custom programming. - Keerthy drivers/rtc/interface.c | 12 ++++++++++++ drivers/rtc/rtc-omap.c | 1 + include/linux/rtc.h | 2 ++ 3 files changed, 15 insertions(+) diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 6d4012d..c19668b9 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -1139,3 +1139,15 @@ int rtc_set_offset(struct rtc_device *rtc, long offset) trace_rtc_set_offset(offset, ret); return ret; } + +/** + * rtc_power_off_program - Some of the rtc are hooked on to PMIC_EN + * line and can be used to power off the SoC. + * + * Kernel interface to program rtc to power off + */ +int rtc_power_off_program(struct rtc_device *rtc) +{ + return rtc->ops->power_off_program(rtc->dev.parent); +} +EXPORT_SYMBOL_GPL(rtc_power_off_program); diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 75a12eb..a1f9dde 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -519,6 +519,7 @@ static void omap_rtc_power_off(void) .read_alarm = omap_rtc_read_alarm, .set_alarm = omap_rtc_set_alarm, .alarm_irq_enable = omap_rtc_alarm_irq_enable, + .power_off_program = omap_rtc_power_off_program, }; static const struct omap_rtc_device_type omap_rtc_default_type = { diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 6268208..3fc640c 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -85,6 +85,7 @@ struct rtc_class_ops { int (*alarm_irq_enable)(struct device *, unsigned int enabled); int (*read_offset)(struct device *, long *offset); int (*set_offset)(struct device *, long offset); + int (*power_off_program)(struct device *dev); }; typedef struct rtc_task { @@ -229,6 +230,7 @@ int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer *timer, int rtc_read_offset(struct rtc_device *rtc, long *offset); int rtc_set_offset(struct rtc_device *rtc, long offset); void rtc_timer_do_work(struct work_struct *work); +int rtc_power_off_program(struct rtc_device *rtc); static inline bool is_leap_year(unsigned int year) {