From 29ee40091e27615530c0ba7773a2879d8266381e Mon Sep 17 00:00:00 2001 From: Ran Bi Date: Tue, 21 Apr 2020 11:00:11 +0800 Subject: rtc: mt6397: Add support for the MediaTek MT6358 RTC 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 Signed-off-by: Lee Jones --- include/linux/mfd/mt6397/rtc.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'include/linux/mfd/mt6397/rtc.h') diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h index 7dfb63b81373..66989a16221a 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_ */ -- cgit v1.2.3