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Wed, 11 Mar 2020 23:24:52 +0100 (CET) Date: Wed, 11 Mar 2020 23:24:52 +0100 From: Sebastian Reichel To: Hsin-Hsiung Wang Subject: Re: [PATCH v10 4/5] rtc: mt6397: Add support for the MediaTek MT6358 RTC Message-ID: <20200311222452.nxeajmbbpidbwyal@jupiter.universe> References: <1583918223-22506-1-git-send-email-hsin-hsiung.wang@mediatek.com> <1583918223-22506-5-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 In-Reply-To: <1583918223-22506-5-git-send-email-hsin-hsiung.wang@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200311_152455_282793_78D02D5E X-CRM114-Status: GOOD ( 21.00 ) 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 , Alexandre Belloni , Nicolas Boichat , srv_heupstream@mediatek.com, Frank Wunderlich , Ran Bi , Sean Wang , Josef Friedl , linux-kernel@vger.kernel.org, Richard Fontana , devicetree@vger.kernel.org, Rob Herring , linux-mediatek@lists.infradead.org, linux-pm@vger.kernel.org, Matthias Brugger , Thomas Gleixner , Eddie Huang , Lee Jones , linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org Content-Type: multipart/mixed; boundary="===============1937636271973347121==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1937636271973347121== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="h2zavgzncyp2cq5o" Content-Disposition: inline --h2zavgzncyp2cq5o Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Wed, Mar 11, 2020 at 05:17:02PM +0800, Hsin-Hsiung Wang wrote: > From: Ran Bi >=20 > 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. >=20 > Signed-off-by: Ran Bi > Signed-off-by: Hsin-Hsiung Wang > --- Should be fine to simply merge this through RTC: Acked-by: Sebastian Reichel -- Sebastian > drivers/power/reset/mt6323-poweroff.c | 2 +- > drivers/rtc/rtc-mt6397.c | 32 ++++++++++++++++++++++++-----= --- > include/linux/mfd/mt6397/rtc.h | 9 ++++++++- > 3 files changed, 33 insertions(+), 10 deletions(-) >=20 > 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; > =20 > 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); > =20 > ret =3D 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..7a5a9e2 100644 > --- a/drivers/rtc/rtc-mt6397.c > +++ b/drivers/rtc/rtc-mt6397.c > @@ -9,18 +9,38 @@ > #include > #include > #include > +#include > #include > #include > #include > #include > #include > =20 > +static const struct mtk_rtc_data mt6358_rtc_data =3D { > + .wrtgr =3D RTC_WRTGR_MT6358, > +}; > + > +static const struct mtk_rtc_data mt6397_rtc_data =3D { > + .wrtgr =3D RTC_WRTGR_MT6397, > +}; > + > +static const struct of_device_id mt6397_rtc_of_match[] =3D { > + { .compatible =3D "mediatek,mt6323-rtc", > + .data =3D (void *)&mt6397_rtc_data, }, > + { .compatible =3D "mediatek,mt6358-rtc", > + .data =3D (void *)&mt6358_rtc_data, }, > + { .compatible =3D "mediatek,mt6397-rtc", > + .data =3D (void *)&mt6397_rtc_data, }, > + {} > +}; > +MODULE_DEVICE_TABLE(of, mt6397_rtc_of_match); > + > static int mtk_rtc_write_trigger(struct mt6397_rtc *rtc) > { > int ret; > u32 data; > =20 > - ret =3D regmap_write(rtc->regmap, rtc->addr_base + RTC_WRTGR, 1); > + ret =3D regmap_write(rtc->regmap, rtc->addr_base + rtc->data->wrtgr, 1); > if (ret < 0) > return ret; > =20 > @@ -269,6 +289,9 @@ static int mtk_rtc_probe(struct platform_device *pdev) > res =3D platform_get_resource(pdev, IORESOURCE_MEM, 0); > rtc->addr_base =3D res->start; > =20 > + rtc->data =3D (struct mtk_rtc_data *) > + of_device_get_match_data(&pdev->dev); > + > rtc->irq =3D platform_get_irq(pdev, 0); > if (rtc->irq < 0) > return rtc->irq; > @@ -325,13 +348,6 @@ static int mt6397_rtc_resume(struct device *dev) > static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_rtc_suspend, > mt6397_rtc_resume); > =20 > -static const struct of_device_id mt6397_rtc_of_match[] =3D { > - { .compatible =3D "mediatek,mt6323-rtc", }, > - { .compatible =3D "mediatek,mt6397-rtc", }, > - { } > -}; > -MODULE_DEVICE_TABLE(of, mt6397_rtc_of_match); > - > static struct platform_driver mtk_rtc_driver =3D { > .driver =3D { > .name =3D "mt6397-rtc", > diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rt= c.h > index 7dfb63b..66534ed 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) > =20 > -#define RTC_WRTGR 0x003c > +#define RTC_WRTGR_MT6358 0x3a > +#define RTC_WRTGR_MT6397 0x3c > +#define RTC_WRTGR_MT6323 RTC_WRTGR_MT6397 > =20 > #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)) > =20 > +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; > }; > =20 > #endif /* _LINUX_MFD_MT6397_RTC_H_ */ > --=20 > 2.6.4 --h2zavgzncyp2cq5o Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAl5pZTQACgkQ2O7X88g7 +pq9wQ/+KoirFKK4cM7Qw34TtpdNX2uGtfuzcUmBKNjfJl/5WCUE/qo5WgaKcplR VgE7uQWOzATqT3mQxG0iH2lzyXd2BVP2PJyEbswUyWTw/hZYLsrT2i+DKvQ4UKQa WDKOvNwWsZMJrVAYnyV35Xsp4pWr2yFER61UiAMLlaXhhRzOLQE+P8dd4dr0cFhu OgWclCmPjvLgVJsRbLvbyhQ2cLmTwnwBJICbHG+j8FQ0se2EgwzLyOl/45/6Oae+ qIzjAlZwYAwTmSpwCUeTLSJBp8i4BRg/xETQYpGf6cfBrf7VzBnQFZMo7rdGfj5G gTJtq7yqAHlCXN1xQsYhy1Xx+SCl9y6Afjr7jyPW3iHnGvjrVeD1SR7tpDL3G9aT iRviJlgdfpp7SrT0PwQkQ+Nk2OS2CqUcdWoTjODOtUPxQeAVcE2Hj14qjlcvftVa +TGsljzNgIu8rfjwyqnf4ppfSMzK+M5tWCyzPLmKxZSchgvHILQ5DFlpYYG8HV/E rUWRsEO9o1KZdlaOne98g90WZqbbqPRa3qpPUihmvj0yUlNsB7cPWBalFx8A8kAc dGXnDj36egCGIb4Y5R3GtStgE6J4aDctSQuQzlm6vfk2C7sebUuTLmuy44TWMxez L8QZ8aytJjFJ2dDAyUkHuTDJ47im2TyeIAbPfB/HkA7UYSM/Ars= =P8yi -----END PGP SIGNATURE----- --h2zavgzncyp2cq5o-- --===============1937636271973347121== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1937636271973347121==--