From patchwork Fri Aug 23 03:45:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Hsiung Wang X-Patchwork-Id: 11110479 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AE12913A4 for ; Fri, 23 Aug 2019 03:45:53 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8C2682341E for ; Fri, 23 Aug 2019 03:45:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="iswRj9PM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8C2682341E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3cTQrWiMK4PTUnq/n8WWq1N8eDHGUGbr4cOa3S9gsns=; b=iswRj9PMYN0Knj o1TzD7j0xFdpsJnS92l1MBudpXkwRbxveklQ/skle3jd6PgVLBRPlfcn6GNUEt+OMJEOpnNVqrxQF J0BggiozIiK+BpqLXz+FTWmVq49SZxi5LtVHYkoJyiuxrVhl/fCXcUieEG8TfmH8cdCBi2rmAZNMI lvMrYyC46gHjA/geuTh18wt0p2t7qpkrxVXDjVAbIkJzCE9gPY1c1fCA+UP0Jq+5bL5SjHtC4DOO6 K978DTIbg8iqXs1VhJtJPKTUXLhlBrDLsqbMdXL8ryoY5rRfUw8uce3ivbVxT42zXINjI/lt21pcO KHAK/sfNZB33OBS1spqA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i10WP-0007Wy-20; Fri, 23 Aug 2019 03:45:53 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i10WJ-0007Ti-UQ; Fri, 23 Aug 2019 03:45:49 +0000 X-UUID: 881aeb6922f8480c99eee47908f86171-20190822 X-UUID: 881aeb6922f8480c99eee47908f86171-20190822 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1411864215; Thu, 22 Aug 2019 19:45:39 -0800 Received: from mtkmbs08n2.mediatek.inc (172.21.101.56) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 22 Aug 2019 20:45:38 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 23 Aug 2019 11:45:36 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 23 Aug 2019 11:45:36 +0800 From: Hsin-Hsiung Wang To: Lee Jones , Rob Herring , "Mark Brown" , Matthias Brugger , Alexandre Belloni Subject: [PATCH v5 10/10] rtc: mt6397: Add support for the MediaTek MT6358 RTC Date: Fri, 23 Aug 2019 11:45:31 +0800 Message-ID: <1566531931-9772-11-git-send-email-hsin-hsiung.wang@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1566531931-9772-1-git-send-email-hsin-hsiung.wang@mediatek.com> References: <1566531931-9772-1-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: F0764FDB06D62BEE862D7EA509F66EB2C2B5058E838AAF7CCDC98D4C539255B72000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190822_204547_989420_76548601 X-CRM114-Status: GOOD ( 14.53 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Alessandro Zummo , srv_heupstream@mediatek.com, devicetree@vger.kernel.org, Greg Kroah-Hartman , Kate Stewart , Sean Wang , Liam Girdwood , linux-kernel@vger.kernel.org, Richard Fontana , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Thomas Gleixner , Eddie Huang , Ran Bi , Hsin-Hsiung Wang , linux-rtc@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Ran Bi This add support for the MediaTek MT6358 RTC. Driver using compatible data to store different RTC_WRTGR address offset. Signed-off-by: Ran Bi --- drivers/rtc/rtc-mt6397.c | 38 ++++++++++++++++++++++++++++++-------- 1 file changed, 30 insertions(+), 8 deletions(-) diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c index 828def7..d1c2886 100644 --- a/drivers/rtc/rtc-mt6397.c +++ b/drivers/rtc/rtc-mt6397.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -19,7 +20,8 @@ #define RTC_BBPU 0x0000 #define RTC_BBPU_CBUSY BIT(6) -#define RTC_WRTGR 0x003c +#define RTC_WRTGR_MT6358 0x3a +#define RTC_WRTGR_MT6397 0x3c #define RTC_IRQ_STA 0x0002 #define RTC_IRQ_STA_AL BIT(0) @@ -63,6 +65,10 @@ #define RTC_NUM_YEARS 128 #define RTC_MIN_YEAR_OFFSET (RTC_MIN_YEAR - RTC_BASE_YEAR) +struct mtk_rtc_data { + u32 wrtgr; +}; + struct mt6397_rtc { struct device *dev; struct rtc_device *rtc_dev; @@ -70,15 +76,34 @@ struct mt6397_rtc { struct regmap *regmap; int irq; u32 addr_base; + const struct mtk_rtc_data *data; +}; + +static const struct mtk_rtc_data mt6358_rtc_data = { + .wrtgr = RTC_WRTGR_MT6358, }; +static const struct mtk_rtc_data mt6397_rtc_data = { + .wrtgr = RTC_WRTGR_MT6397, +}; + +static const struct of_device_id mt6397_rtc_of_match[] = { + { .compatible = "mediatek,mt6358-rtc", + .data = (void *)&mt6358_rtc_data, }, + { .compatible = "mediatek,mt6397-rtc", + .data = (void *)&mt6397_rtc_data, }, + {} +}; +MODULE_DEVICE_TABLE(of, mt6397_rtc_of_match); + static int mtk_rtc_write_trigger(struct mt6397_rtc *rtc) { unsigned long timeout = jiffies + HZ; int ret; u32 data; - ret = regmap_write(rtc->regmap, rtc->addr_base + RTC_WRTGR, 1); + ret = regmap_write(rtc->regmap, + rtc->addr_base + rtc->data->wrtgr, 1); if (ret < 0) return ret; @@ -333,6 +358,9 @@ static int mtk_rtc_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); rtc->addr_base = res->start; + rtc->data = (struct mtk_rtc_data *) + of_device_get_match_data(&pdev->dev); + rtc->irq = platform_get_irq(pdev, 0); if (rtc->irq < 0) return rtc->irq; @@ -408,12 +436,6 @@ static int mt6397_rtc_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_rtc_suspend, mt6397_rtc_resume); -static const struct of_device_id mt6397_rtc_of_match[] = { - { .compatible = "mediatek,mt6397-rtc", }, - { } -}; -MODULE_DEVICE_TABLE(of, mt6397_rtc_of_match); - static struct platform_driver mtk_rtc_driver = { .driver = { .name = "mt6397-rtc",