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85 lines
2.4 KiB
85 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2014-2019 MediaTek Inc. |
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* |
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* Author: Tianping.Fang <[email protected]> |
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* Sean Wang <[email protected]> |
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*/ |
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#ifndef _LINUX_MFD_MT6397_RTC_H_ |
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#define _LINUX_MFD_MT6397_RTC_H_ |
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#include <linux/jiffies.h> |
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#include <linux/mutex.h> |
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#include <linux/regmap.h> |
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#include <linux/rtc.h> |
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#define RTC_BBPU 0x0000 |
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#define RTC_BBPU_CBUSY BIT(6) |
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#define RTC_BBPU_KEY (0x43 << 8) |
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#define RTC_WRTGR_MT6358 0x003a |
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#define RTC_WRTGR_MT6397 0x003c |
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#define RTC_WRTGR_MT6323 RTC_WRTGR_MT6397 |
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#define RTC_IRQ_STA 0x0002 |
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#define RTC_IRQ_STA_AL BIT(0) |
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#define RTC_IRQ_STA_LP BIT(3) |
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#define RTC_IRQ_EN 0x0004 |
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#define RTC_IRQ_EN_AL BIT(0) |
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#define RTC_IRQ_EN_ONESHOT BIT(2) |
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#define RTC_IRQ_EN_LP BIT(3) |
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#define RTC_IRQ_EN_ONESHOT_AL (RTC_IRQ_EN_ONESHOT | RTC_IRQ_EN_AL) |
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#define RTC_AL_MASK 0x0008 |
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#define RTC_AL_MASK_DOW BIT(4) |
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#define RTC_TC_SEC 0x000a |
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/* Min, Hour, Dom... register offset to RTC_TC_SEC */ |
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#define RTC_OFFSET_SEC 0 |
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#define RTC_OFFSET_MIN 1 |
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#define RTC_OFFSET_HOUR 2 |
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#define RTC_OFFSET_DOM 3 |
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#define RTC_OFFSET_DOW 4 |
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#define RTC_OFFSET_MTH 5 |
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#define RTC_OFFSET_YEAR 6 |
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#define RTC_OFFSET_COUNT 7 |
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#define RTC_AL_SEC 0x0018 |
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#define RTC_AL_SEC_MASK 0x003f |
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#define RTC_AL_MIN_MASK 0x003f |
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#define RTC_AL_HOU_MASK 0x001f |
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#define RTC_AL_DOM_MASK 0x001f |
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#define RTC_AL_DOW_MASK 0x0007 |
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#define RTC_AL_MTH_MASK 0x000f |
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#define RTC_AL_YEA_MASK 0x007f |
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#define RTC_PDN2 0x002e |
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#define RTC_PDN2_PWRON_ALARM BIT(4) |
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#define RTC_MIN_YEAR 1968 |
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#define RTC_BASE_YEAR 1900 |
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#define RTC_NUM_YEARS 128 |
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#define RTC_MIN_YEAR_OFFSET (RTC_MIN_YEAR - RTC_BASE_YEAR) |
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#define MTK_RTC_POLL_DELAY_US 10 |
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#define MTK_RTC_POLL_TIMEOUT (jiffies_to_usecs(HZ)) |
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struct mtk_rtc_data { |
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u32 wrtgr; |
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}; |
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struct mt6397_rtc { |
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struct rtc_device *rtc_dev; |
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/* Protect register access from multiple tasks */ |
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struct mutex lock; |
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struct regmap *regmap; |
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int irq; |
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u32 addr_base; |
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const struct mtk_rtc_data *data; |
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}; |
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#endif /* _LINUX_MFD_MT6397_RTC_H_ */
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