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Mon, 30 Mar 2020 20:07:31 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 30 Mar 2020 21:07:40 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 31 Mar 2020 12:07:39 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 31 Mar 2020 12:07:40 +0800 From: Hsin-Hsiung Wang To: Lee Jones , Rob Herring , Matthias Brugger , Alexandre Belloni Subject: [PATCH v11 4/5] rtc: mt6397: Add support for the MediaTek MT6358 RTC Date: Tue, 31 Mar 2020 12:07:36 +0800 Message-ID: <1585627657-3265-5-git-send-email-hsin-hsiung.wang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1585627657-3265-1-git-send-email-hsin-hsiung.wang@mediatek.com> References: <1585627657-3265-1-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200330_210751_912759_BAC4FB46 X-CRM114-Status: GOOD ( 14.88 ) X-BeenThere: linux-mediatek@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 , Josef Friedl , Nicolas Boichat , srv_heupstream@mediatek.com, Frank Wunderlich , Ran Bi , Sean Wang , linux-rtc@vger.kernel.org, Sebastian Reichel , linux-kernel@vger.kernel.org, Richard Fontana , devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, Hsin-Hsiung Wang , linux-pm@vger.kernel.org, Thomas Gleixner , Eddie Huang , Kate Stewart , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.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. This replace RTC_WRTGR to RTC_WRTGR_MT6323 in mt6323-poweroff driver which only needed by armv7 CPU without ATF. Signed-off-by: Ran Bi Signed-off-by: Hsin-Hsiung Wang --- drivers/power/reset/mt6323-poweroff.c | 2 +- drivers/rtc/rtc-mt6397.c | 23 +++++++++++++++++++---- include/linux/mfd/mt6397/rtc.h | 9 ++++++++- 3 files changed, 28 insertions(+), 6 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..7f3dfd2 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; @@ -325,10 +328,22 @@ 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_ */ -- 2.6.4 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek