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Release 4.12 include/linux/rtc/m48t59.h

/*
 * include/linux/rtc/m48t59.h
 *
 * Definitions for the platform data of m48t59 RTC chip driver.
 *
 * Copyright (c) 2007 Wind River Systems, Inc.
 *
 * Mark Zhan <rongkai.zhan@windriver.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef _LINUX_RTC_M48T59_H_

#define _LINUX_RTC_M48T59_H_

/*
 * M48T59 Register Offset
 */

#define M48T59_YEAR		0xf

#define M48T59_MONTH		0xe

#define M48T59_MDAY		0xd	
/* Day of Month */

#define M48T59_WDAY		0xc	
/* Day of Week */

#define M48T59_WDAY_CB			0x20	
/* Century Bit */

#define M48T59_WDAY_CEB			0x10	
/* Century Enable Bit */

#define M48T59_HOUR		0xb

#define M48T59_MIN		0xa

#define M48T59_SEC		0x9

#define M48T59_CNTL		0x8

#define M48T59_CNTL_READ		0x40

#define M48T59_CNTL_WRITE		0x80

#define M48T59_WATCHDOG		0x7

#define M48T59_INTR		0x6

#define M48T59_INTR_AFE			0x80	
/* Alarm Interrupt Enable */

#define M48T59_INTR_ABE			0x20

#define M48T59_ALARM_DATE	0x5

#define M48T59_ALARM_HOUR	0x4

#define M48T59_ALARM_MIN	0x3

#define M48T59_ALARM_SEC	0x2

#define M48T59_UNUSED		0x1

#define M48T59_FLAGS		0x0

#define M48T59_FLAGS_WDT		0x80	
/* watchdog timer expired */

#define M48T59_FLAGS_AF			0x40	
/* alarm */

#define M48T59_FLAGS_BF			0x10	
/* low battery */


#define M48T59RTC_TYPE_M48T59	0 
/* to keep compatibility */

#define M48T59RTC_TYPE_M48T02	1

#define M48T59RTC_TYPE_M48T08	2


struct m48t59_plat_data {
	/* The method to access M48T59 registers */
	
void (*write_byte)(struct device *dev, u32 ofs, u8 val);
	
unsigned char (*read_byte)(struct device *dev, u32 ofs);

	
int type; /* RTC model */

	/* ioaddr mapped externally */
	
void __iomem *ioaddr;
	/* offset to RTC registers, automatically set according to the type */
	
unsigned int offset;
};

#endif /* _LINUX_RTC_M48T59_H_ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Mark Zhan14477.01%133.33%
Krzysztof Helt4322.99%266.67%
Total187100.00%3100.00%
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