linux-imx

/*

 * rtc-twl.c -- TWL Real Time Clock interface

 *

 * Copyright (C) 2007 MontaVista Software, Inc

 * Author: Alexandre Rusev <source@mvista.com>

 *

 * Based on original TI driver twl4030-rtc.c

 *   Copyright (C) 2006 Texas Instruments, Inc.

 *

 * Based on rtc-omap.c

 *   Copyright (C) 2003 MontaVista Software, Inc.

 *   Author: George G. Davis <gdavis@mvista.com> or <source@mvista.com>

 *   Copyright (C) 2006 David Brownell

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */

​

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

​

#include <linux/kernel.h>

#include <linux/errno.h>

#include <linux/init.h>

#include <linux/module.h>

#include <linux/types.h>

#include <linux/rtc.h>

#include <linux/bcd.h>

#include <linux/platform_device.h>

#include <linux/interrupt.h>

#include <linux/of.h>

​

#include <linux/mfd/twl.h>

​

enum twl_class {

    TWL_4030 = 0,

    TWL_6030,

};

​

/*

 * RTC block register offsets (use TWL_MODULE_RTC)

 */

enum {

    REG_SECONDS_REG = 0,

    REG_MINUTES_REG,

    REG_HOURS_REG,

    REG_DAYS_REG,

    REG_MONTHS_REG,

    REG_YEARS_REG,

    REG_WEEKS_REG,

​

    REG_ALARM_SECONDS_REG,

    REG_ALARM_MINUTES_REG,

    REG_ALARM_HOURS_REG,

    REG_ALARM_DAYS_REG,

    REG_ALARM_MONTHS_REG,

    REG_ALARM_YEARS_REG,

​

    REG_RTC_CTRL_REG,

    REG_RTC_STATUS_REG,

    REG_RTC_INTERRUPTS_REG,

​