rtc-rv8803.c (96acb25c50e77355673b89765b96bd764abf487d) rtc-rv8803.c (a1e98e09704ad247bff3c0de1bef6a73dc88b6d0)
1/*
2 * RTC driver for the Micro Crystal RV8803
3 *
4 * Copyright (C) 2015 Micro Crystal SA
5 *
6 * Alexandre Belloni <alexandre.belloni@free-electrons.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 */
13
14#include <linux/bcd.h>
15#include <linux/bitops.h>
1/*
2 * RTC driver for the Micro Crystal RV8803
3 *
4 * Copyright (C) 2015 Micro Crystal SA
5 *
6 * Alexandre Belloni <alexandre.belloni@free-electrons.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 */
13
14#include <linux/bcd.h>
15#include <linux/bitops.h>
16#include <linux/log2.h>
16#include <linux/i2c.h>
17#include <linux/interrupt.h>
18#include <linux/kernel.h>
19#include <linux/module.h>
20#include <linux/rtc.h>
21
22#define RV8803_SEC 0x00
23#define RV8803_MIN 0x01

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140
141 if ((date2[RV8803_SEC] & 0x7f) != bin2bcd(59))
142 date = date2;
143 }
144
145 tm->tm_sec = bcd2bin(date[RV8803_SEC] & 0x7f);
146 tm->tm_min = bcd2bin(date[RV8803_MIN] & 0x7f);
147 tm->tm_hour = bcd2bin(date[RV8803_HOUR] & 0x3f);
17#include <linux/i2c.h>
18#include <linux/interrupt.h>
19#include <linux/kernel.h>
20#include <linux/module.h>
21#include <linux/rtc.h>
22
23#define RV8803_SEC 0x00
24#define RV8803_MIN 0x01

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141
142 if ((date2[RV8803_SEC] & 0x7f) != bin2bcd(59))
143 date = date2;
144 }
145
146 tm->tm_sec = bcd2bin(date[RV8803_SEC] & 0x7f);
147 tm->tm_min = bcd2bin(date[RV8803_MIN] & 0x7f);
148 tm->tm_hour = bcd2bin(date[RV8803_HOUR] & 0x3f);
148 tm->tm_wday = ffs(date[RV8803_WEEK] & 0x7f);
149 tm->tm_wday = ilog2(date[RV8803_WEEK] & 0x7f);
149 tm->tm_mday = bcd2bin(date[RV8803_DAY] & 0x3f);
150 tm->tm_mon = bcd2bin(date[RV8803_MONTH] & 0x1f) - 1;
151 tm->tm_year = bcd2bin(date[RV8803_YEAR]) + 100;
152
153 return 0;
154}
155
156static int rv8803_set_time(struct device *dev, struct rtc_time *tm)

--- 376 unchanged lines hidden --- 		150 tm->tm_mday = bcd2bin(date[RV8803_DAY] & 0x3f);
151 tm->tm_mon = bcd2bin(date[RV8803_MONTH] & 0x1f) - 1;
152 tm->tm_year = bcd2bin(date[RV8803_YEAR]) + 100;
153
154 return 0;
155}
156
157static int rv8803_set_time(struct device *dev, struct rtc_time *tm)

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