mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
be60652f02
This patch adds RTC_TC_MTH_MASK to support new chips. Signed-off-by: Yuchen Huang <yuchen.huang@mediatek.com> Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2014-2019 MediaTek Inc.
|
|
*
|
|
* Author: Tianping.Fang <tianping.fang@mediatek.com>
|
|
* Sean Wang <sean.wang@mediatek.com>
|
|
*/
|
|
|
|
#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_ */
|