From patchwork Wed Apr 8 08:12:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Hsiung Wang X-Patchwork-Id: 1267787 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=mediatek.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=mediatek.com header.i=@mediatek.com header.a=rsa-sha256 header.s=dk header.b=o7nH+WxD; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48xxq82v8Sz9sQx for ; Wed, 8 Apr 2020 18:13:08 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727331AbgDHINH (ORCPT ); Wed, 8 Apr 2020 04:13:07 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:9335 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727126AbgDHING (ORCPT ); Wed, 8 Apr 2020 04:13:06 -0400 X-UUID: 80a1dd2eae094e3a8d1ddd4796f34f7f-20200408 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=TjyXO64FwGcewaav1xdCD25JCQNflx0WEYbeMtOQFrs=; b=o7nH+WxDZRgr6zPAiTS3xvOEm7iuiYChzQybKJXmSVpyJ/rVsK3jZKmCMGuRV6wqcSbA4XaeGSOuN7DBTAEieI6MO106W1bGGCIZ1vlYUGaAEl9xc1SDJtfTVipmNpMoxQMBLSxkUSxyo9FBCNcIPVET+HZMs68G3v6+P57IPIY=; X-UUID: 80a1dd2eae094e3a8d1ddd4796f34f7f-20200408 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 535684888; Wed, 08 Apr 2020 16:12:54 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 8 Apr 2020 16:12:50 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 8 Apr 2020 16:12:49 +0800 From: Hsin-Hsiung Wang To: Lee Jones , Rob Herring , Matthias Brugger , Alexandre Belloni CC: Nicolas Boichat , Mark Rutland , Sean Wang , Sebastian Reichel , Eddie Huang , Alessandro Zummo , Kate Stewart , Richard Fontana , Frank Wunderlich , Josef Friedl , Thomas Gleixner , Hsin-Hsiung Wang , Ran Bi , , , , , , , Subject: [PATCH v12 5/6] rtc: mt6397: Add support for the MediaTek MT6358 RTC Date: Wed, 8 Apr 2020 16:12:10 +0800 Message-ID: <1586333531-21641-6-git-send-email-hsin-hsiung.wang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1586333531-21641-1-git-send-email-hsin-hsiung.wang@mediatek.com> References: <1586333531-21641-1-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: FC9E6D3D677BFECBC59AA698A2C0BFB58BD00BC5E746CB6D9F98117B906E7CC52000:8 X-MTK: N Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org From: Ran Bi This add support for the MediaTek MT6358 RTC. Driver using compatible data to store different RTC_WRTGR address offset. This replace RTC_WRTGR to RTC_WRTGR_MT6323 in mt6323-poweroff driver which only needed by armv7 CPU without ATF. Reviewed-by: Nicolas Boichat Reviewed-by: Yingjoe Chen Acked-by: Alexandre Belloni Acked-by: Sebastian Reichel Signed-off-by: Ran Bi Signed-off-by: Hsin-Hsiung Wang Reviewed-by: Yingjoe Chen Acked-by: Sebastian Reichel Acked-by: Alexandre Belloni Reviewed-by: Nicolas Boichat Signed-off-by: Hsin-Hsiung Wang Signed-off-by: Ran Bi Signed-off-by: Ran Bi Signed-off-by: Hsin-Hsiung Wang Reviewed-by: Nicolas Boichat Acked-by: Alexandre Belloni Acked-by: Sebastian Reichel Reviewed-by: Yingjoe Chen --- drivers/power/reset/mt6323-poweroff.c | 2 +- drivers/rtc/rtc-mt6397.c | 18 +++++++++++++++--- include/linux/mfd/mt6397/rtc.h | 9 ++++++++- 3 files changed, 24 insertions(+), 5 deletions(-) diff --git a/drivers/power/reset/mt6323-poweroff.c b/drivers/power/reset/mt6323-poweroff.c index 1caf43d..0532803 100644 --- a/drivers/power/reset/mt6323-poweroff.c +++ b/drivers/power/reset/mt6323-poweroff.c @@ -30,7 +30,7 @@ static void mt6323_do_pwroff(void) int ret; regmap_write(pwrc->regmap, pwrc->base + RTC_BBPU, RTC_BBPU_KEY); - regmap_write(pwrc->regmap, pwrc->base + RTC_WRTGR, 1); + regmap_write(pwrc->regmap, pwrc->base + RTC_WRTGR_MT6323, 1); ret = regmap_read_poll_timeout(pwrc->regmap, pwrc->base + RTC_BBPU, val, diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c index cda238d..f8b1353 100644 --- a/drivers/rtc/rtc-mt6397.c +++ b/drivers/rtc/rtc-mt6397.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -20,7 +21,7 @@ static int mtk_rtc_write_trigger(struct mt6397_rtc *rtc) 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; @@ -269,6 +270,8 @@ static int mtk_rtc_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); rtc->addr_base = res->start; + rtc->data = of_device_get_match_data(&pdev->dev); + rtc->irq = platform_get_irq(pdev, 0); if (rtc->irq < 0) return rtc->irq; @@ -325,9 +328,18 @@ 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 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,mt6323-rtc", }, - { .compatible = "mediatek,mt6397-rtc", }, + { .compatible = "mediatek,mt6323-rtc", .data = &mt6397_rtc_data }, + { .compatible = "mediatek,mt6358-rtc", .data = &mt6358_rtc_data }, + { .compatible = "mediatek,mt6397-rtc", .data = &mt6397_rtc_data }, { } }; MODULE_DEVICE_TABLE(of, mt6397_rtc_of_match); diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h index 7dfb63b..6200f3b 100644 --- a/include/linux/mfd/mt6397/rtc.h +++ b/include/linux/mfd/mt6397/rtc.h @@ -18,7 +18,9 @@ #define RTC_BBPU_CBUSY BIT(6) #define RTC_BBPU_KEY (0x43 << 8) -#define RTC_WRTGR 0x003c +#define RTC_WRTGR_MT6358 0x3a +#define RTC_WRTGR_MT6397 0x3c +#define RTC_WRTGR_MT6323 RTC_WRTGR_MT6397 #define RTC_IRQ_STA 0x0002 #define RTC_IRQ_STA_AL BIT(0) @@ -65,6 +67,10 @@ #define MTK_RTC_POLL_DELAY_US 10 #define MTK_RTC_POLL_TIMEOUT (jiffies_to_usecs(HZ)) +struct mtk_rtc_data { + u32 wrtgr; +}; + struct mt6397_rtc { struct device *dev; struct rtc_device *rtc_dev; @@ -74,6 +80,7 @@ struct mt6397_rtc { struct regmap *regmap; int irq; u32 addr_base; + const struct mtk_rtc_data *data; }; #endif /* _LINUX_MFD_MT6397_RTC_H_ */