linux-imx

/*

 * Copyright (C) 2016 Oleksij Rempel <linux@rempel-privat.de>

 *

 * 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.

 */

​

#include <linux/clk.h>

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/platform_device.h>

#include <linux/rtc.h>

​

/* Miscellaneous registers */

/* Interrupt Location Register */

#define HW_ILR          0x00

#define BM_RTCALF       BIT(1)

#define BM_RTCCIF       BIT(0)

​

/* Clock Control Register */

#define HW_CCR          0x08

/* Calibration counter disable */

#define BM_CCALOFF      BIT(4)

/* Reset internal oscillator divider */

#define BM_CTCRST       BIT(1)

/* Clock Enable */

#define BM_CLKEN        BIT(0)

​

/* Counter Increment Interrupt Register */

#define HW_CIIR         0x0C

#define BM_CIIR_IMYEAR      BIT(7)

#define BM_CIIR_IMMON       BIT(6)

#define BM_CIIR_IMDOY       BIT(5)

#define BM_CIIR_IMDOW       BIT(4)

#define BM_CIIR_IMDOM       BIT(3)

#define BM_CIIR_IMHOUR      BIT(2)

#define BM_CIIR_IMMIN       BIT(1)

#define BM_CIIR_IMSEC       BIT(0)

​

/* Alarm Mask Register */

#define HW_AMR          0x10

#define BM_AMR_IMYEAR       BIT(7)

#define BM_AMR_IMMON        BIT(6)

#define BM_AMR_IMDOY        BIT(5)

#define BM_AMR_IMDOW        BIT(4)

#define BM_AMR_IMDOM        BIT(3)

#define BM_AMR_IMHOUR       BIT(2)

#define BM_AMR_IMMIN        BIT(1)

#define BM_AMR_IMSEC        BIT(0)

#define BM_AMR_OFF      0xff

​

/* Consolidated time registers */

#define HW_CTIME0       0x14

#define BM_CTIME0_DOW_S     24

#define BM_CTIME0_DOW_M     0x7

#define BM_CTIME0_HOUR_S    16

#define BM_CTIME0_HOUR_M    0x1f

#define BM_CTIME0_MIN_S     8

#define BM_CTIME0_MIN_M     0x3f