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linux-rtc@vger.kernel.org, srv_heupstream@mediatek.com References: <1587438012-24832-1-git-send-email-hsin-hsiung.wang@mediatek.com> <1587438012-24832-6-git-send-email-hsin-hsiung.wang@mediatek.com> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP ZqlUsLJ2nOqsmahMTIQ8Mgx9SLEShWqD4kOF4zNfPJsgEMB49KbS2o9jxbGB+JKupjNddfxZ HlH1KF8QwCMZEYaTNogrVazuEJzx6JdRpR3sFda/0x5qjTadwIW6Cl9tkqe2h391dOGX1eOA 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x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <1587438012-24832-6-git-send-email-hsin-hsiung.wang@mediatek.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Hi Lee, On 21/04/2020 05:00, Hsin-Hsiung Wang wrote: > 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 > Reviewed-by: Nicolas Boichat > Acked-by: Alexandre Belloni > Acked-by: Sebastian Reichel > Reviewed-by: Yingjoe Chen We have Acked-by from rtc and reset drivers maintainers. Are you OK to take them through your mfd branch? Are you planning to queue them for v5.8? Just asking because if so I'd queue patch 6 through my tree. Regards, Matthias > --- > 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..66989a1 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 0x003a > +#define RTC_WRTGR_MT6397 0x003c > +#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_ */ >