[J-u-boot.git] / drivers / rtc / rx8010sj.c

/*
 * Epson RX8010 RTC driver.
 *
 * Copyright (c) 2017, General Electric Company
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <command.h>
#include <common.h>
#include <dm.h>
#include <i2c.h>
#include <rtc.h>

/*---------------------------------------------------------------------*/
/* #undef DEBUG_RTC */

#ifdef DEBUG_RTC
#define DEBUGR(fmt, args...) printf(fmt, ##args)
#else
#define DEBUGR(fmt, args...)
#endif
/*---------------------------------------------------------------------*/

#ifndef CONFIG_SYS_I2C_RTC_ADDR
# define CONFIG_SYS_I2C_RTC_ADDR	0x32
#endif

/*
 * RTC register addresses
 */
#define RX8010_SEC     0x10
#define RX8010_MIN     0x11
#define RX8010_HOUR    0x12
#define RX8010_WDAY    0x13
#define RX8010_MDAY    0x14
#define RX8010_MONTH   0x15
#define RX8010_YEAR    0x16
#define RX8010_YEAR    0x16
#define RX8010_RESV17  0x17
#define RX8010_ALMIN   0x18
#define RX8010_ALHOUR  0x19
#define RX8010_ALWDAY  0x1A
#define RX8010_TCOUNT0 0x1B
#define RX8010_TCOUNT1 0x1C
#define RX8010_EXT     0x1D
#define RX8010_FLAG    0x1E
#define RX8010_CTRL    0x1F
/* 0x20 to 0x2F are user registers */
#define RX8010_RESV30  0x30
#define RX8010_RESV31  0x32
#define RX8010_IRQ     0x32

#define RX8010_EXT_WADA  BIT(3)

#define RX8010_FLAG_VLF  BIT(1)
#define RX8010_FLAG_AF   BIT(3)
#define RX8010_FLAG_TF   BIT(4)
#define RX8010_FLAG_UF   BIT(5)

#define RX8010_CTRL_AIE  BIT(3)
#define RX8010_CTRL_UIE  BIT(5)
#define RX8010_CTRL_STOP BIT(6)
#define RX8010_CTRL_TEST BIT(7)

#define RX8010_ALARM_AE  BIT(7)

#ifdef CONFIG_DM_RTC

#define DEV_TYPE struct udevice

#else

/* Local udevice */
struct ludevice {
	u8 chip;
};

#define DEV_TYPE struct ludevice

#endif

static int rx8010sj_rtc_read8(DEV_TYPE *dev, unsigned int reg)
{
	u8 val;
	int ret;

#ifdef CONFIG_DM_RTC
	ret = dm_i2c_read(dev, reg, &val, sizeof(val));
#else
	ret = i2c_read(dev->chip, reg, 1, &val, 1);
#endif

	return ret < 0 ? ret : val;
}

static int rx8010sj_rtc_write8(DEV_TYPE *dev, unsigned int reg, int val)
{
	int ret;
	u8 lval = val;

#ifdef CONFIG_DM_RTC
	ret = dm_i2c_write(dev, reg, &lval, 1);
#else
	ret = i2c_write(dev->chip, reg, 1, &lval, 1);
#endif

	return ret < 0 ? ret : 0;
}

static int validate_time(const struct rtc_time *tm)
{
	if ((tm->tm_year < 2000) || (tm->tm_year > 2099))
		return -EINVAL;

	if ((tm->tm_mon < 1) || (tm->tm_mon > 12))
		return -EINVAL;

	if ((tm->tm_mday < 1) || (tm->tm_mday > 31))
		return -EINVAL;

	if ((tm->tm_wday < 0) || (tm->tm_wday > 6))
		return -EINVAL;

	if ((tm->tm_hour < 0) || (tm->tm_hour > 23))
		return -EINVAL;

	if ((tm->tm_min < 0) || (tm->tm_min > 59))
		return -EINVAL;

	if ((tm->tm_sec < 0) || (tm->tm_sec > 59))
		return -EINVAL;

	return 0;
}

void rx8010sj_rtc_init(DEV_TYPE *dev)
{
	u8 ctrl[2];
	int need_clear = 0, ret = 0;

	/* Initialize reserved registers as specified in datasheet */
	ret = rx8010sj_rtc_write8(dev, RX8010_RESV17, 0xD8);
	if (ret < 0)
		goto error;

	ret = rx8010sj_rtc_write8(dev, RX8010_RESV30, 0x00);
	if (ret < 0)
		goto error;

	ret = rx8010sj_rtc_write8(dev, RX8010_RESV31, 0x08);
	if (ret < 0)
		goto error;

	ret = rx8010sj_rtc_write8(dev, RX8010_IRQ, 0x00);
	if (ret < 0)
		goto error;

	for (int i = 0; i < 2; i++) {
		ret = rx8010sj_rtc_read8(dev, RX8010_FLAG + i);
		if (ret < 0)
			goto error;

		ctrl[i] = ret;
	}

	if (ctrl[0] & RX8010_FLAG_VLF)
		printf("RTC low voltage detected\n");

	if (ctrl[0] & RX8010_FLAG_AF) {
		printf("Alarm was detected\n");
		need_clear = 1;
	}

	if (ctrl[0] & RX8010_FLAG_TF)
		need_clear = 1;

	if (ctrl[0] & RX8010_FLAG_UF)
		need_clear = 1;

	if (need_clear) {
		ctrl[0] &= ~(RX8010_FLAG_AF | RX8010_FLAG_TF | RX8010_FLAG_UF);
		ret = rx8010sj_rtc_write8(dev, RX8010_FLAG, ctrl[0]);
		if (ret < 0)
			goto error;
	}

	return;

error:
	printf("Error rtc init.\n");
}

/* Get the current time from the RTC */
static int rx8010sj_rtc_get(DEV_TYPE *dev, struct rtc_time *tmp)
{
	u8 date[7];
	int flagreg;
	int ret;

	flagreg = rx8010sj_rtc_read8(dev, RX8010_FLAG);
	if (flagreg < 0) {
		DEBUGR("Error reading from RTC. err: %d\n", flagreg);
		return -EIO;
	}

	if (flagreg & RX8010_FLAG_VLF) {
		DEBUGR("RTC low voltage detected\n");
		return -EINVAL;
	}

	for (int i = 0; i < 7; i++) {
		ret = rx8010sj_rtc_read8(dev, RX8010_SEC + i);
		if (ret < 0) {
			DEBUGR("Error reading from RTC. err: %d\n", ret);
			return -EIO;
		}
		date[i] = ret;
	}

	tmp->tm_sec = bcd2bin(date[RX8010_SEC - RX8010_SEC] & 0x7f);
	tmp->tm_min = bcd2bin(date[RX8010_MIN - RX8010_SEC] & 0x7f);
	tmp->tm_hour = bcd2bin(date[RX8010_HOUR - RX8010_SEC] & 0x3f);
	tmp->tm_mday = bcd2bin(date[RX8010_MDAY - RX8010_SEC] & 0x3f);
	tmp->tm_mon = bcd2bin(date[RX8010_MONTH - RX8010_SEC] & 0x1f);
	tmp->tm_year = bcd2bin(date[RX8010_YEAR - RX8010_SEC]) + 2000;
	tmp->tm_wday = 0;
	tmp->tm_yday = 0;
	tmp->tm_isdst = 0;

	DEBUGR("Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
	       tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
	       tmp->tm_hour, tmp->tm_min, tmp->tm_sec);

	return 0;
}

/* Set the RTC */
static int rx8010sj_rtc_set(DEV_TYPE *dev, const struct rtc_time *tm)
{
	u8 date[7];
	int ctrl, flagreg;
	int ret;

	ret = validate_time(tm);
	if (ret < 0)
		return -EINVAL;

	/* set STOP bit before changing clock/calendar */
	ctrl = rx8010sj_rtc_read8(dev, RX8010_CTRL);
	if (ctrl < 0)
		return ctrl;
	ret = rx8010sj_rtc_write8(dev, RX8010_CTRL, ctrl | RX8010_CTRL_STOP);
	if (ret < 0)
		return ret;

	date[RX8010_SEC - RX8010_SEC] = bin2bcd(tm->tm_sec);
	date[RX8010_MIN - RX8010_SEC] = bin2bcd(tm->tm_min);
	date[RX8010_HOUR - RX8010_SEC] = bin2bcd(tm->tm_hour);
	date[RX8010_MDAY - RX8010_SEC] = bin2bcd(tm->tm_mday);
	date[RX8010_MONTH - RX8010_SEC] = bin2bcd(tm->tm_mon);
	date[RX8010_YEAR - RX8010_SEC] = bin2bcd(tm->tm_year - 2000);
	date[RX8010_WDAY - RX8010_SEC] = bin2bcd(tm->tm_wday);

	for (int i = 0; i < 7; i++) {
		ret = rx8010sj_rtc_write8(dev, RX8010_SEC + i, date[i]);
		if (ret < 0) {
			DEBUGR("Error writing to RTC. err: %d\n", ret);
			return -EIO;
		}
	}

	/* clear STOP bit after changing clock/calendar */
	ctrl = rx8010sj_rtc_read8(dev, RX8010_CTRL);
	if (ctrl < 0)
		return ctrl;

	ret = rx8010sj_rtc_write8(dev, RX8010_CTRL, ctrl & ~RX8010_CTRL_STOP);
	if (ret < 0)
		return ret;

	flagreg = rx8010sj_rtc_read8(dev, RX8010_FLAG);
	if (flagreg < 0)
		return flagreg;

	if (flagreg & RX8010_FLAG_VLF)
		ret = rx8010sj_rtc_write8(dev, RX8010_FLAG,
					  flagreg & ~RX8010_FLAG_VLF);

	return 0;
}

/* Reset the RTC. */
static int rx8010sj_rtc_reset(DEV_TYPE *dev)
{
	/* Not needed */
	return 0;
}

#ifndef CONFIG_DM_RTC

int rtc_get(struct rtc_time *tm)
{
	struct ludevice dev = {
			.chip = CONFIG_SYS_I2C_RTC_ADDR,
	};

	return rx8010sj_rtc_get(&dev, tm);
}

int rtc_set(struct rtc_time *tm)
{
	struct ludevice dev = {
			.chip = CONFIG_SYS_I2C_RTC_ADDR,
	};

	return rx8010sj_rtc_set(&dev, tm);
}

void rtc_reset(void)
{
	struct ludevice dev = {
			.chip = CONFIG_SYS_I2C_RTC_ADDR,
	};

	rx8010sj_rtc_reset(&dev);
}

void rtc_init(void)
{
	struct ludevice dev = {
			.chip = CONFIG_SYS_I2C_RTC_ADDR,
	};

	rx8010sj_rtc_init(&dev);
}

#else

static int rx8010sj_probe(struct udevice *dev)
{
	rx8010sj_rtc_init(&dev);

	return 0;
}

static const struct rtc_ops rx8010sj_rtc_ops = {
	.get = rx8010sj_rtc_get,
	.set = rx8010sj_rtc_set,
	.read8 = rx8010sj_rtc_read8,
	.write8 = rx8010sj_rtc_write8,
	.reset = rx8010sj_rtc_reset,
};

static const struct udevice_id rx8010sj_rtc_ids[] = {
	{ .compatible = "epson,rx8010sj-rtc" },
	{ }
};

U_BOOT_DRIVER(rx8010sj_rtc) = {
	.name	  = "rx8010sj_rtc",
	.id	      = UCLASS_RTC,
	.probe    = rx8010sj_probe,
	.of_match = rx8010sj_rtc_ids,
	.ops	  = &rx8010sj_rtc_ops,
};

#endif
Commit	Line	Data
958a2106 NH	1	/*
	2	* Epson RX8010 RTC driver.
	3	*
	4	* Copyright (c) 2017, General Electric Company
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms and conditions of the GNU General Public License,
	8	* version 2, as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope it will be useful, but WITHOUT
	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	13	* more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	17	*/
	18
	19	#include <command.h>
	20	#include <common.h>
	21	#include <dm.h>
	22	#include <i2c.h>
	23	#include <rtc.h>
	24
	25	/---------------------------------------------------------------------/
	26	/* #undef DEBUG_RTC */
	27
	28	#ifdef DEBUG_RTC
	29	#define DEBUGR(fmt, args...) printf(fmt, ##args)
	30	#else
	31	#define DEBUGR(fmt, args...)
	32	#endif
	33	/---------------------------------------------------------------------/
	34
	35	#ifndef CONFIG_SYS_I2C_RTC_ADDR
	36	# define CONFIG_SYS_I2C_RTC_ADDR 0x32
	37	#endif
	38
	39	/*
	40	* RTC register addresses
	41	*/
	42	#define RX8010_SEC 0x10
	43	#define RX8010_MIN 0x11
	44	#define RX8010_HOUR 0x12
	45	#define RX8010_WDAY 0x13
	46	#define RX8010_MDAY 0x14
	47	#define RX8010_MONTH 0x15
	48	#define RX8010_YEAR 0x16
	49	#define RX8010_YEAR 0x16
	50	#define RX8010_RESV17 0x17
	51	#define RX8010_ALMIN 0x18
	52	#define RX8010_ALHOUR 0x19
	53	#define RX8010_ALWDAY 0x1A
	54	#define RX8010_TCOUNT0 0x1B
	55	#define RX8010_TCOUNT1 0x1C
	56	#define RX8010_EXT 0x1D
	57	#define RX8010_FLAG 0x1E
	58	#define RX8010_CTRL 0x1F
	59	/* 0x20 to 0x2F are user registers */
	60	#define RX8010_RESV30 0x30
	61	#define RX8010_RESV31 0x32
	62	#define RX8010_IRQ 0x32
	63
	64	#define RX8010_EXT_WADA BIT(3)
65
66	#define RX8010_FLAG_VLF BIT(1)
67	#define RX8010_FLAG_AF BIT(3)
68	#define RX8010_FLAG_TF BIT(4)
69	#define RX8010_FLAG_UF BIT(5)
70
71	#define RX8010_CTRL_AIE BIT(3)
72	#define RX8010_CTRL_UIE BIT(5)
73	#define RX8010_CTRL_STOP BIT(6)
74	#define RX8010_CTRL_TEST BIT(7)
75
76	#define RX8010_ALARM_AE BIT(7)
77
78	#ifdef CONFIG_DM_RTC
79
80	#define DEV_TYPE struct udevice
81
82	#else
83
84	/* Local udevice */
85	struct ludevice {
86	u8 chip;
87	};
88
89	#define DEV_TYPE struct ludevice
90
91	#endif
92
93	static int rx8010sj_rtc_read8(DEV_TYPE *dev, unsigned int reg)
94	{
95	u8 val;
96	int ret;
97
98	#ifdef CONFIG_DM_RTC
99	ret = dm_i2c_read(dev, reg, &val, sizeof(val));
100	#else
101	ret = i2c_read(dev->chip, reg, 1, &val, 1);
102	#endif
103
104	return ret < 0 ? ret : val;
105	}
106
107	static int rx8010sj_rtc_write8(DEV_TYPE *dev, unsigned int reg, int val)
108	{
109	int ret;
110	u8 lval = val;
111
112	#ifdef CONFIG_DM_RTC
113	ret = dm_i2c_write(dev, reg, &lval, 1);
114	#else
115	ret = i2c_write(dev->chip, reg, 1, &lval, 1);
116	#endif
117
118	return ret < 0 ? ret : 0;
119	}
120
121	static int validate_time(const struct rtc_time *tm)
122	{
123	if ((tm->tm_year < 2000) \|\| (tm->tm_year > 2099))
124	return -EINVAL;
125
126	if ((tm->tm_mon < 1) \|\| (tm->tm_mon > 12))
127	return -EINVAL;
128
129	if ((tm->tm_mday < 1) \|\| (tm->tm_mday > 31))
130	return -EINVAL;
131
132	if ((tm->tm_wday < 0) \|\| (tm->tm_wday > 6))
133	return -EINVAL;
134
135	if ((tm->tm_hour < 0) \|\| (tm->tm_hour > 23))
136	return -EINVAL;
137
138	if ((tm->tm_min < 0) \|\| (tm->tm_min > 59))
139	return -EINVAL;
140
141	if ((tm->tm_sec < 0) \|\| (tm->tm_sec > 59))
142	return -EINVAL;
143
144	return 0;
145	}
146
147	void rx8010sj_rtc_init(DEV_TYPE *dev)
148	{
149	u8 ctrl[2];
150	int need_clear = 0, ret = 0;
151
152	/* Initialize reserved registers as specified in datasheet */
153	ret = rx8010sj_rtc_write8(dev, RX8010_RESV17, 0xD8);
154	if (ret < 0)
155	goto error;
156
157	ret = rx8010sj_rtc_write8(dev, RX8010_RESV30, 0x00);
158	if (ret < 0)
159	goto error;
160
161	ret = rx8010sj_rtc_write8(dev, RX8010_RESV31, 0x08);
162	if (ret < 0)
163	goto error;
164
165	ret = rx8010sj_rtc_write8(dev, RX8010_IRQ, 0x00);
166	if (ret < 0)
167	goto error;
168
169	for (int i = 0; i < 2; i++) {
170	ret = rx8010sj_rtc_read8(dev, RX8010_FLAG + i);
171	if (ret < 0)
172	goto error;
173
174	ctrl[i] = ret;
175	}
176
177	if (ctrl[0] & RX8010_FLAG_VLF)
178	printf("RTC low voltage detected\n");
179
180	if (ctrl[0] & RX8010_FLAG_AF) {
181	printf("Alarm was detected\n");
182	need_clear = 1;
183	}
184
185	if (ctrl[0] & RX8010_FLAG_TF)
186	need_clear = 1;
187
188	if (ctrl[0] & RX8010_FLAG_UF)
189	need_clear = 1;
190
191	if (need_clear) {
192	ctrl[0] &= ~(RX8010_FLAG_AF \| RX8010_FLAG_TF \| RX8010_FLAG_UF);
193	ret = rx8010sj_rtc_write8(dev, RX8010_FLAG, ctrl[0]);
194	if (ret < 0)
195	goto error;
196	}
197
198	return;
199
200	error:
201	printf("Error rtc init.\n");
202	}
203
204	/* Get the current time from the RTC */
205	static int rx8010sj_rtc_get(DEV_TYPE dev, struct rtc_time tmp)
206	{
207	u8 date[7];
208	int flagreg;
209	int ret;
210
211	flagreg = rx8010sj_rtc_read8(dev, RX8010_FLAG);
212	if (flagreg < 0) {
213	DEBUGR("Error reading from RTC. err: %d\n", flagreg);
214	return -EIO;
215	}
216
217	if (flagreg & RX8010_FLAG_VLF) {
218	DEBUGR("RTC low voltage detected\n");
219	return -EINVAL;
220	}
221
222	for (int i = 0; i < 7; i++) {
223	ret = rx8010sj_rtc_read8(dev, RX8010_SEC + i);
224	if (ret < 0) {
225	DEBUGR("Error reading from RTC. err: %d\n", ret);
226	return -EIO;
227	}
228	date[i] = ret;
229	}
230
231	tmp->tm_sec = bcd2bin(date[RX8010_SEC - RX8010_SEC] & 0x7f);
232	tmp->tm_min = bcd2bin(date[RX8010_MIN - RX8010_SEC] & 0x7f);
233	tmp->tm_hour = bcd2bin(date[RX8010_HOUR - RX8010_SEC] & 0x3f);
234	tmp->tm_mday = bcd2bin(date[RX8010_MDAY - RX8010_SEC] & 0x3f);
235	tmp->tm_mon = bcd2bin(date[RX8010_MONTH - RX8010_SEC] & 0x1f);
236	tmp->tm_year = bcd2bin(date[RX8010_YEAR - RX8010_SEC]) + 2000;
237	tmp->tm_wday = 0;
238	tmp->tm_yday = 0;
239	tmp->tm_isdst = 0;
240
241	DEBUGR("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
242	tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
243	tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
244
245	return 0;
246	}
247
248	/* Set the RTC */
249	static int rx8010sj_rtc_set(DEV_TYPE dev, const struct rtc_time tm)
250	{
251	u8 date[7];
252	int ctrl, flagreg;
253	int ret;
254
255	ret = validate_time(tm);
256	if (ret < 0)
257	return -EINVAL;
258
259	/* set STOP bit before changing clock/calendar */
260	ctrl = rx8010sj_rtc_read8(dev, RX8010_CTRL);
261	if (ctrl < 0)
262	return ctrl;
263	ret = rx8010sj_rtc_write8(dev, RX8010_CTRL, ctrl \| RX8010_CTRL_STOP);
264	if (ret < 0)
265	return ret;
266
267	date[RX8010_SEC - RX8010_SEC] = bin2bcd(tm->tm_sec);
268	date[RX8010_MIN - RX8010_SEC] = bin2bcd(tm->tm_min);
269	date[RX8010_HOUR - RX8010_SEC] = bin2bcd(tm->tm_hour);
270	date[RX8010_MDAY - RX8010_SEC] = bin2bcd(tm->tm_mday);
271	date[RX8010_MONTH - RX8010_SEC] = bin2bcd(tm->tm_mon);
272	date[RX8010_YEAR - RX8010_SEC] = bin2bcd(tm->tm_year - 2000);
273	date[RX8010_WDAY - RX8010_SEC] = bin2bcd(tm->tm_wday);
274
275	for (int i = 0; i < 7; i++) {
276	ret = rx8010sj_rtc_write8(dev, RX8010_SEC + i, date[i]);
277	if (ret < 0) {
278	DEBUGR("Error writing to RTC. err: %d\n", ret);
279	return -EIO;
280	}
281	}
282
283	/* clear STOP bit after changing clock/calendar */
284	ctrl = rx8010sj_rtc_read8(dev, RX8010_CTRL);
285	if (ctrl < 0)
286	return ctrl;
287
288	ret = rx8010sj_rtc_write8(dev, RX8010_CTRL, ctrl & ~RX8010_CTRL_STOP);
289	if (ret < 0)
290	return ret;
291
292	flagreg = rx8010sj_rtc_read8(dev, RX8010_FLAG);
293	if (flagreg < 0)
294	return flagreg;
295
296	if (flagreg & RX8010_FLAG_VLF)
297	ret = rx8010sj_rtc_write8(dev, RX8010_FLAG,
298	flagreg & ~RX8010_FLAG_VLF);
299
300	return 0;
301	}
302
303	/* Reset the RTC. */
304	static int rx8010sj_rtc_reset(DEV_TYPE *dev)
305	{
306	/* Not needed */
307	return 0;
308	}
309
310	#ifndef CONFIG_DM_RTC
311
312	int rtc_get(struct rtc_time *tm)
313	{
314	struct ludevice dev = {
315	.chip = CONFIG_SYS_I2C_RTC_ADDR,
316	};
317
318	return rx8010sj_rtc_get(&dev, tm);
319	}
320
321	int rtc_set(struct rtc_time *tm)
322	{
323	struct ludevice dev = {
324	.chip = CONFIG_SYS_I2C_RTC_ADDR,
325	};
326
327	return rx8010sj_rtc_set(&dev, tm);
328	}
329
330	void rtc_reset(void)
331	{
332	struct ludevice dev = {
333	.chip = CONFIG_SYS_I2C_RTC_ADDR,
334	};
335
336	rx8010sj_rtc_reset(&dev);
337	}
338
339	void rtc_init(void)
340	{
341	struct ludevice dev = {
342	.chip = CONFIG_SYS_I2C_RTC_ADDR,
343	};
344
345	rx8010sj_rtc_init(&dev);
346	}
347
348	#else
349
350	static int rx8010sj_probe(struct udevice *dev)
351	{
352	rx8010sj_rtc_init(&dev);
353
354	return 0;
355	}
356
357	static const struct rtc_ops rx8010sj_rtc_ops = {
358	.get = rx8010sj_rtc_get,
359	.set = rx8010sj_rtc_set,
360	.read8 = rx8010sj_rtc_read8,
361	.write8 = rx8010sj_rtc_write8,
362	.reset = rx8010sj_rtc_reset,
363	};
364
365	static const struct udevice_id rx8010sj_rtc_ids[] = {
366	{ .compatible = "epson,rx8010sj-rtc" },
367	{ }
368	};
369
370	U_BOOT_DRIVER(rx8010sj_rtc) = {
371	.name = "rx8010sj_rtc",
372	.id = UCLASS_RTC,
373	.probe = rx8010sj_probe,
374	.of_match = rx8010sj_rtc_ids,
375	.ops = &rx8010sj_rtc_ops,
376	};
377
378	#endif