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/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2014-2019 MediaTek Inc. * * Author: Tianping.Fang <[email protected]> * Sean Wang <[email protected]> */ #ifndef _LINUX_MFD_MT6397_RTC_H_ #define _LINUX_MFD_MT6397_RTC_H_ #include <linux/jiffies.h> #include <linux/mutex.h> #include <linux/regmap.h> #include <linux/rtc.h> #define RTC_BBPU 0x0000 #define RTC_BBPU_CBUSY BIT(6) #define RTC_BBPU_KEY (0x43 << 8) #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) #define RTC_IRQ_STA_LP BIT(3) #define RTC_IRQ_EN 0x0004 #define RTC_IRQ_EN_AL BIT(0) #define RTC_IRQ_EN_ONESHOT BIT(2) #define RTC_IRQ_EN_LP BIT(3) #define RTC_IRQ_EN_ONESHOT_AL (RTC_IRQ_EN_ONESHOT | RTC_IRQ_EN_AL) #define RTC_AL_MASK 0x0008 #define RTC_AL_MASK_DOW BIT(4) #define RTC_TC_SEC 0x000a #define RTC_TC_MTH_MASK 0x000f /* Min, Hour, Dom... register offset to RTC_TC_SEC */ #define RTC_OFFSET_SEC 0 #define RTC_OFFSET_MIN 1 #define RTC_OFFSET_HOUR 2 #define RTC_OFFSET_DOM 3 #define RTC_OFFSET_DOW 4 #define RTC_OFFSET_MTH 5 #define RTC_OFFSET_YEAR 6 #define RTC_OFFSET_COUNT 7 #define RTC_AL_SEC 0x0018 #define RTC_AL_SEC_MASK 0x003f #define RTC_AL_MIN_MASK 0x003f #define RTC_AL_HOU_MASK 0x001f #define RTC_AL_DOM_MASK 0x001f #define RTC_AL_DOW_MASK 0x0007 #define RTC_AL_MTH_MASK 0x000f #define RTC_AL_YEA_MASK 0x007f #define RTC_PDN2 0x002e #define RTC_PDN2_PWRON_ALARM BIT(4) #define RTC_MIN_YEAR 1968 #define RTC_BASE_YEAR 1900 #define RTC_NUM_YEARS 128 #define RTC_MIN_YEAR_OFFSET (RTC_MIN_YEAR - RTC_BASE_YEAR) #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 rtc_device *rtc_dev; /* Protect register access from multiple tasks */ struct mutex lock; struct regmap *regmap; int irq; u32 addr_base; const struct mtk_rtc_data *data; }; #endif /* _LINUX_MFD_MT6397_RTC_H_ */