[deliverable/linux.git] / drivers / hwmon / pmbus / lm25066.c

/*
 * Hardware monitoring driver for LM25066 / LM5064 / LM5066
 *
 * Copyright (c) 2011 Ericsson AB.
 *
 * 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.
 *
 * This program is distributed in the hope that 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include "pmbus.h"

enum chips { lm25066, lm5064, lm5066 };

#define LM25066_READ_VAUX		0xd0
#define LM25066_MFR_READ_IIN		0xd1
#define LM25066_MFR_READ_PIN		0xd2
#define LM25066_MFR_IIN_OC_WARN_LIMIT	0xd3
#define LM25066_MFR_PIN_OP_WARN_LIMIT	0xd4
#define LM25066_READ_PIN_PEAK		0xd5
#define LM25066_CLEAR_PIN_PEAK		0xd6
#define LM25066_DEVICE_SETUP		0xd9
#define LM25066_READ_AVG_VIN		0xdc
#define LM25066_READ_AVG_VOUT		0xdd
#define LM25066_READ_AVG_IIN		0xde
#define LM25066_READ_AVG_PIN		0xdf

#define LM25066_DEV_SETUP_CL		(1 << 4)	/* Current limit */

struct lm25066_data {
	int id;
	struct pmbus_driver_info info;
};

#define to_lm25066_data(x)  container_of(x, struct lm25066_data, info)

static int lm25066_read_word_data(struct i2c_client *client, int page, int reg)
{
	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
	const struct lm25066_data *data = to_lm25066_data(info);
	int ret;

	if (page > 1)
		return -ENXIO;

	/* Map READ_VAUX into READ_VOUT register on page 1 */
	if (page == 1) {
		switch (reg) {
		case PMBUS_READ_VOUT:
			ret = pmbus_read_word_data(client, 0,
						   LM25066_READ_VAUX);
			if (ret < 0)
				break;
			/* Adjust returned value to match VOUT coefficients */
			switch (data->id) {
			case lm25066:
				/* VOUT: 4.54 mV VAUX: 283.2 uV LSB */
				ret = DIV_ROUND_CLOSEST(ret * 2832, 45400);
				break;
			case lm5064:
				/* VOUT: 4.53 mV VAUX: 700 uV LSB */
				ret = DIV_ROUND_CLOSEST(ret * 70, 453);
				break;
			case lm5066:
				/* VOUT: 2.18 mV VAUX: 725 uV LSB */
				ret = DIV_ROUND_CLOSEST(ret * 725, 2180);
				break;
			}
			break;
		default:
			/* No other valid registers on page 1 */
			ret = -ENXIO;
			break;
		}
		goto done;
	}

	switch (reg) {
	case PMBUS_READ_IIN:
		ret = pmbus_read_word_data(client, 0, LM25066_MFR_READ_IIN);
		break;
	case PMBUS_READ_PIN:
		ret = pmbus_read_word_data(client, 0, LM25066_MFR_READ_PIN);
		break;
	case PMBUS_IIN_OC_WARN_LIMIT:
		ret = pmbus_read_word_data(client, 0,
					   LM25066_MFR_IIN_OC_WARN_LIMIT);
		break;
	case PMBUS_PIN_OP_WARN_LIMIT:
		ret = pmbus_read_word_data(client, 0,
					   LM25066_MFR_PIN_OP_WARN_LIMIT);
		break;
	case PMBUS_VIRT_READ_VIN_AVG:
		ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_VIN);
		break;
	case PMBUS_VIRT_READ_VOUT_AVG:
		ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_VOUT);
		break;
	case PMBUS_VIRT_READ_IIN_AVG:
		ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_IIN);
		break;
	case PMBUS_VIRT_READ_PIN_AVG:
		ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_PIN);
		break;
	case PMBUS_VIRT_READ_PIN_MAX:
		ret = pmbus_read_word_data(client, 0, LM25066_READ_PIN_PEAK);
		break;
	case PMBUS_VIRT_RESET_PIN_HISTORY:
		ret = 0;
		break;
	default:
		ret = -ENODATA;
		break;
	}
done:
	return ret;
}

static int lm25066_write_word_data(struct i2c_client *client, int page, int reg,
				   u16 word)
{
	int ret;

	if (page > 1)
		return -ENXIO;

	switch (reg) {
	case PMBUS_IIN_OC_WARN_LIMIT:
		ret = pmbus_write_word_data(client, 0,
					    LM25066_MFR_IIN_OC_WARN_LIMIT,
					    word);
		break;
	case PMBUS_PIN_OP_WARN_LIMIT:
		ret = pmbus_write_word_data(client, 0,
					    LM25066_MFR_PIN_OP_WARN_LIMIT,
					    word);
		break;
	case PMBUS_VIRT_RESET_PIN_HISTORY:
		ret = pmbus_write_byte(client, 0, LM25066_CLEAR_PIN_PEAK);
		break;
	default:
		ret = -ENODATA;
		break;
	}
	return ret;
}

static int lm25066_write_byte(struct i2c_client *client, int page, u8 value)
{
	if (page > 1)
		return -ENXIO;

	if (page <= 0)
		return pmbus_write_byte(client, page, value);

	return 0;
}

static int lm25066_probe(struct i2c_client *client,
			  const struct i2c_device_id *id)
{
	int config;
	int ret;
	struct lm25066_data *data;
	struct pmbus_driver_info *info;

	if (!i2c_check_functionality(client->adapter,
				     I2C_FUNC_SMBUS_READ_BYTE_DATA))
		return -ENODEV;

	data = kzalloc(sizeof(struct lm25066_data), GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	config = i2c_smbus_read_byte_data(client, LM25066_DEVICE_SETUP);
	if (config < 0) {
		ret = config;
		goto err_mem;
	}

	data->id = id->driver_data;
	info = &data->info;

	info->pages = 2;
	info->format[PSC_VOLTAGE_IN] = direct;
	info->format[PSC_VOLTAGE_OUT] = direct;
	info->format[PSC_CURRENT_IN] = direct;
	info->format[PSC_TEMPERATURE] = direct;
	info->format[PSC_POWER] = direct;

	info->m[PSC_TEMPERATURE] = 16;
	info->b[PSC_TEMPERATURE] = 0;
	info->R[PSC_TEMPERATURE] = 0;

	info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT
	  | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_PIN | PMBUS_HAVE_IIN
	  | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP;
	info->func[1] = PMBUS_HAVE_VOUT;

	info->read_word_data = lm25066_read_word_data;
	info->write_word_data = lm25066_write_word_data;
	info->write_byte = lm25066_write_byte;

	switch (id->driver_data) {
	case lm25066:
		info->m[PSC_VOLTAGE_IN] = 22070;
		info->b[PSC_VOLTAGE_IN] = 0;
		info->R[PSC_VOLTAGE_IN] = -2;
		info->m[PSC_VOLTAGE_OUT] = 22070;
		info->b[PSC_VOLTAGE_OUT] = 0;
		info->R[PSC_VOLTAGE_OUT] = -2;

		if (config & LM25066_DEV_SETUP_CL) {
			info->m[PSC_CURRENT_IN] = 6852;
			info->b[PSC_CURRENT_IN] = 0;
			info->R[PSC_CURRENT_IN] = -2;
			info->m[PSC_POWER] = 369;
			info->b[PSC_POWER] = 0;
			info->R[PSC_POWER] = -2;
		} else {
			info->m[PSC_CURRENT_IN] = 13661;
			info->b[PSC_CURRENT_IN] = 0;
			info->R[PSC_CURRENT_IN] = -2;
			info->m[PSC_POWER] = 736;
			info->b[PSC_POWER] = 0;
			info->R[PSC_POWER] = -2;
		}
		break;
	case lm5064:
		info->m[PSC_VOLTAGE_IN] = 22075;
		info->b[PSC_VOLTAGE_IN] = 0;
		info->R[PSC_VOLTAGE_IN] = -2;
		info->m[PSC_VOLTAGE_OUT] = 22075;
		info->b[PSC_VOLTAGE_OUT] = 0;
		info->R[PSC_VOLTAGE_OUT] = -2;

		if (config & LM25066_DEV_SETUP_CL) {
			info->m[PSC_CURRENT_IN] = 6713;
			info->b[PSC_CURRENT_IN] = 0;
			info->R[PSC_CURRENT_IN] = -2;
			info->m[PSC_POWER] = 3619;
			info->b[PSC_POWER] = 0;
			info->R[PSC_POWER] = -3;
		} else {
			info->m[PSC_CURRENT_IN] = 13426;
			info->b[PSC_CURRENT_IN] = 0;
			info->R[PSC_CURRENT_IN] = -2;
			info->m[PSC_POWER] = 7238;
			info->b[PSC_POWER] = 0;
			info->R[PSC_POWER] = -3;
		}
		break;
	case lm5066:
		info->m[PSC_VOLTAGE_IN] = 4587;
		info->b[PSC_VOLTAGE_IN] = 0;
		info->R[PSC_VOLTAGE_IN] = -2;
		info->m[PSC_VOLTAGE_OUT] = 4587;
		info->b[PSC_VOLTAGE_OUT] = 0;
		info->R[PSC_VOLTAGE_OUT] = -2;

		if (config & LM25066_DEV_SETUP_CL) {
			info->m[PSC_CURRENT_IN] = 10753;
			info->b[PSC_CURRENT_IN] = 0;
			info->R[PSC_CURRENT_IN] = -2;
			info->m[PSC_POWER] = 1204;
			info->b[PSC_POWER] = 0;
			info->R[PSC_POWER] = -3;
		} else {
			info->m[PSC_CURRENT_IN] = 5405;
			info->b[PSC_CURRENT_IN] = 0;
			info->R[PSC_CURRENT_IN] = -2;
			info->m[PSC_POWER] = 605;
			info->b[PSC_POWER] = 0;
			info->R[PSC_POWER] = -3;
		}
		break;
	default:
		ret = -ENODEV;
		goto err_mem;
	}

	ret = pmbus_do_probe(client, id, info);
	if (ret)
		goto err_mem;
	return 0;

err_mem:
	kfree(data);
	return ret;
}

static int lm25066_remove(struct i2c_client *client)
{
	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
	const struct lm25066_data *data = to_lm25066_data(info);

	pmbus_do_remove(client);
	kfree(data);
	return 0;
}

static const struct i2c_device_id lm25066_id[] = {
	{"lm25066", lm25066},
	{"lm5064", lm5064},
	{"lm5066", lm5066},
	{ }
};

MODULE_DEVICE_TABLE(i2c, lm25066_id);

/* This is the driver that will be inserted */
static struct i2c_driver lm25066_driver = {
	.driver = {
		   .name = "lm25066",
		   },
	.probe = lm25066_probe,
	.remove = lm25066_remove,
	.id_table = lm25066_id,
};

module_i2c_driver(lm25066_driver);

MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for LM25066/LM5064/LM5066");
MODULE_LICENSE("GPL");
Commit	Line	Data
03e9bd8d GR	1	/*
	2	* Hardware monitoring driver for LM25066 / LM5064 / LM5066
	3	*
	4	* Copyright (c) 2011 Ericsson AB.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	19	*/
	20
	21	#include <linux/kernel.h>
	22	#include <linux/module.h>
	23	#include <linux/init.h>
	24	#include <linux/err.h>
	25	#include <linux/slab.h>
	26	#include <linux/i2c.h>
	27	#include "pmbus.h"
	28
	29	enum chips { lm25066, lm5064, lm5066 };
	30
	31	#define LM25066_READ_VAUX 0xd0
	32	#define LM25066_MFR_READ_IIN 0xd1
	33	#define LM25066_MFR_READ_PIN 0xd2
	34	#define LM25066_MFR_IIN_OC_WARN_LIMIT 0xd3
	35	#define LM25066_MFR_PIN_OP_WARN_LIMIT 0xd4
	36	#define LM25066_READ_PIN_PEAK 0xd5
	37	#define LM25066_CLEAR_PIN_PEAK 0xd6
	38	#define LM25066_DEVICE_SETUP 0xd9
	39	#define LM25066_READ_AVG_VIN 0xdc
	40	#define LM25066_READ_AVG_VOUT 0xdd
	41	#define LM25066_READ_AVG_IIN 0xde
	42	#define LM25066_READ_AVG_PIN 0xdf
	43
	44	#define LM25066_DEV_SETUP_CL (1 << 4) /* Current limit */
	45
	46	struct lm25066_data {
	47	int id;
	48	struct pmbus_driver_info info;
	49	};
	50
	51	#define to_lm25066_data(x) container_of(x, struct lm25066_data, info)
	52
	53	static int lm25066_read_word_data(struct i2c_client *client, int page, int reg)
	54	{
	55	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
	56	const struct lm25066_data *data = to_lm25066_data(info);
	57	int ret;
	58
	59	if (page > 1)
179144a0	60	return -ENXIO;
03e9bd8d GR	61
	62	/* Map READ_VAUX into READ_VOUT register on page 1 */
	63	if (page == 1) {
	64	switch (reg) {
	65	case PMBUS_READ_VOUT:
	66	ret = pmbus_read_word_data(client, 0,
	67	LM25066_READ_VAUX);
	68	if (ret < 0)
	69	break;
	70	/* Adjust returned value to match VOUT coefficients */
	71	switch (data->id) {
	72	case lm25066:
	73	/* VOUT: 4.54 mV VAUX: 283.2 uV LSB */
	74	ret = DIV_ROUND_CLOSEST(ret * 2832, 45400);
	75	break;
	76	case lm5064:
	77	/* VOUT: 4.53 mV VAUX: 700 uV LSB */
	78	ret = DIV_ROUND_CLOSEST(ret * 70, 453);
	79	break;
	80	case lm5066:
	81	/* VOUT: 2.18 mV VAUX: 725 uV LSB */
	82	ret = DIV_ROUND_CLOSEST(ret * 725, 2180);
	83	break;
	84	}
	85	break;
	86	default:
	87	/* No other valid registers on page 1 */
179144a0	88	ret = -ENXIO;
03e9bd8d GR	89	break;
	90	}
	91	goto done;
	92	}
	93
	94	switch (reg) {
	95	case PMBUS_READ_IIN:
	96	ret = pmbus_read_word_data(client, 0, LM25066_MFR_READ_IIN);
	97	break;
	98	case PMBUS_READ_PIN:
	99	ret = pmbus_read_word_data(client, 0, LM25066_MFR_READ_PIN);
	100	break;
	101	case PMBUS_IIN_OC_WARN_LIMIT:
	102	ret = pmbus_read_word_data(client, 0,
	103	LM25066_MFR_IIN_OC_WARN_LIMIT);
	104	break;
	105	case PMBUS_PIN_OP_WARN_LIMIT:
	106	ret = pmbus_read_word_data(client, 0,
	107	LM25066_MFR_PIN_OP_WARN_LIMIT);
	108	break;
	109	case PMBUS_VIRT_READ_VIN_AVG:
	110	ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_VIN);
	111	break;
	112	case PMBUS_VIRT_READ_VOUT_AVG:
	113	ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_VOUT);
	114	break;
	115	case PMBUS_VIRT_READ_IIN_AVG:
	116	ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_IIN);
	117	break;
	118	case PMBUS_VIRT_READ_PIN_AVG:
	119	ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_PIN);
	120	break;
	121	case PMBUS_VIRT_READ_PIN_MAX:
	122	ret = pmbus_read_word_data(client, 0, LM25066_READ_PIN_PEAK);
	123	break;
	124	case PMBUS_VIRT_RESET_PIN_HISTORY:
	125	ret = 0;
	126	break;
	127	default:
	128	ret = -ENODATA;
	129	break;
	130	}
	131	done:
	132	return ret;
	133	}
	134
	135	static int lm25066_write_word_data(struct i2c_client *client, int page, int reg,
	136	u16 word)
	137	{
	138	int ret;
	139
	140	if (page > 1)
179144a0	141	return -ENXIO;
03e9bd8d GR	142
	143	switch (reg) {
	144	case PMBUS_IIN_OC_WARN_LIMIT:
	145	ret = pmbus_write_word_data(client, 0,
	146	LM25066_MFR_IIN_OC_WARN_LIMIT,
	147	word);
	148	break;
	149	case PMBUS_PIN_OP_WARN_LIMIT:
	150	ret = pmbus_write_word_data(client, 0,
	151	LM25066_MFR_PIN_OP_WARN_LIMIT,
	152	word);
	153	break;
	154	case PMBUS_VIRT_RESET_PIN_HISTORY:
	155	ret = pmbus_write_byte(client, 0, LM25066_CLEAR_PIN_PEAK);
	156	break;
	157	default:
	158	ret = -ENODATA;
	159	break;
	160	}
	161	return ret;
	162	}
	163
3a2805e8 GR	164	static int lm25066_write_byte(struct i2c_client *client, int page, u8 value)
	165	{
	166	if (page > 1)
179144a0	167	return -ENXIO;
3a2805e8	168
da8e48ab GR	169	if (page <= 0)
da8e48ab GR	170	return pmbus_write_byte(client, page, value);
3a2805e8 GR	171
	172	return 0;
	173	}
	174
03e9bd8d GR	175	static int lm25066_probe(struct i2c_client *client,
	176	const struct i2c_device_id *id)
	177	{
	178	int config;
	179	int ret;
	180	struct lm25066_data *data;
	181	struct pmbus_driver_info *info;
	182
	183	if (!i2c_check_functionality(client->adapter,
	184	I2C_FUNC_SMBUS_READ_BYTE_DATA))
	185	return -ENODEV;
	186
	187	data = kzalloc(sizeof(struct lm25066_data), GFP_KERNEL);
	188	if (!data)
	189	return -ENOMEM;
	190
	191	config = i2c_smbus_read_byte_data(client, LM25066_DEVICE_SETUP);
	192	if (config < 0) {
	193	ret = config;
	194	goto err_mem;
	195	}
	196
	197	data->id = id->driver_data;
	198	info = &data->info;
	199
	200	info->pages = 2;
	201	info->format[PSC_VOLTAGE_IN] = direct;
	202	info->format[PSC_VOLTAGE_OUT] = direct;
	203	info->format[PSC_CURRENT_IN] = direct;
	204	info->format[PSC_TEMPERATURE] = direct;
	205	info->format[PSC_POWER] = direct;
	206
	207	info->m[PSC_TEMPERATURE] = 16;
	208	info->b[PSC_TEMPERATURE] = 0;
	209	info->R[PSC_TEMPERATURE] = 0;
	210
	211	info->func[0] = PMBUS_HAVE_VIN \| PMBUS_HAVE_VOUT
	212	\| PMBUS_HAVE_STATUS_VOUT \| PMBUS_HAVE_PIN \| PMBUS_HAVE_IIN
	213	\| PMBUS_HAVE_STATUS_INPUT \| PMBUS_HAVE_TEMP \| PMBUS_HAVE_STATUS_TEMP;
	214	info->func[1] = PMBUS_HAVE_VOUT;
	215
	216	info->read_word_data = lm25066_read_word_data;
	217	info->write_word_data = lm25066_write_word_data;
3a2805e8	218	info->write_byte = lm25066_write_byte;
03e9bd8d GR	219
	220	switch (id->driver_data) {
	221	case lm25066:
	222	info->m[PSC_VOLTAGE_IN] = 22070;
	223	info->b[PSC_VOLTAGE_IN] = 0;
	224	info->R[PSC_VOLTAGE_IN] = -2;
	225	info->m[PSC_VOLTAGE_OUT] = 22070;
	226	info->b[PSC_VOLTAGE_OUT] = 0;
	227	info->R[PSC_VOLTAGE_OUT] = -2;
	228
	229	if (config & LM25066_DEV_SETUP_CL) {
	230	info->m[PSC_CURRENT_IN] = 6852;
	231	info->b[PSC_CURRENT_IN] = 0;
	232	info->R[PSC_CURRENT_IN] = -2;
	233	info->m[PSC_POWER] = 369;
	234	info->b[PSC_POWER] = 0;
	235	info->R[PSC_POWER] = -2;
	236	} else {
	237	info->m[PSC_CURRENT_IN] = 13661;
	238	info->b[PSC_CURRENT_IN] = 0;
	239	info->R[PSC_CURRENT_IN] = -2;
	240	info->m[PSC_POWER] = 736;
	241	info->b[PSC_POWER] = 0;
	242	info->R[PSC_POWER] = -2;
	243	}
	244	break;
	245	case lm5064:
	246	info->m[PSC_VOLTAGE_IN] = 22075;
	247	info->b[PSC_VOLTAGE_IN] = 0;
	248	info->R[PSC_VOLTAGE_IN] = -2;
	249	info->m[PSC_VOLTAGE_OUT] = 22075;
	250	info->b[PSC_VOLTAGE_OUT] = 0;
	251	info->R[PSC_VOLTAGE_OUT] = -2;
	252
	253	if (config & LM25066_DEV_SETUP_CL) {
	254	info->m[PSC_CURRENT_IN] = 6713;
	255	info->b[PSC_CURRENT_IN] = 0;
	256	info->R[PSC_CURRENT_IN] = -2;
	257	info->m[PSC_POWER] = 3619;
	258	info->b[PSC_POWER] = 0;
	259	info->R[PSC_POWER] = -3;
	260	} else {
	261	info->m[PSC_CURRENT_IN] = 13426;
	262	info->b[PSC_CURRENT_IN] = 0;
	263	info->R[PSC_CURRENT_IN] = -2;
	264	info->m[PSC_POWER] = 7238;
	265	info->b[PSC_POWER] = 0;
	266	info->R[PSC_POWER] = -3;
	267	}
	268	break;
	269	case lm5066:
	270	info->m[PSC_VOLTAGE_IN] = 4587;
	271	info->b[PSC_VOLTAGE_IN] = 0;
	272	info->R[PSC_VOLTAGE_IN] = -2;
	273	info->m[PSC_VOLTAGE_OUT] = 4587;
	274	info->b[PSC_VOLTAGE_OUT] = 0;
	275	info->R[PSC_VOLTAGE_OUT] = -2;
	276
	277	if (config & LM25066_DEV_SETUP_CL) {
	278	info->m[PSC_CURRENT_IN] = 10753;
	279	info->b[PSC_CURRENT_IN] = 0;
	280	info->R[PSC_CURRENT_IN] = -2;
	281	info->m[PSC_POWER] = 1204;
	282	info->b[PSC_POWER] = 0;
283	info->R[PSC_POWER] = -3;
284	} else {
285	info->m[PSC_CURRENT_IN] = 5405;
286	info->b[PSC_CURRENT_IN] = 0;
287	info->R[PSC_CURRENT_IN] = -2;
288	info->m[PSC_POWER] = 605;
289	info->b[PSC_POWER] = 0;
290	info->R[PSC_POWER] = -3;
291	}
292	break;
293	default:
294	ret = -ENODEV;
295	goto err_mem;
296	}
297
298	ret = pmbus_do_probe(client, id, info);
299	if (ret)
300	goto err_mem;
301	return 0;
302
303	err_mem:
304	kfree(data);
305	return ret;
306	}
307
308	static int lm25066_remove(struct i2c_client *client)
309	{
310	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
311	const struct lm25066_data *data = to_lm25066_data(info);
03e9bd8d	312
866cf12a	313	pmbus_do_remove(client);
03e9bd8d	314	kfree(data);
866cf12a	315	return 0;
03e9bd8d GR	316	}
	317
	318	static const struct i2c_device_id lm25066_id[] = {
	319	{"lm25066", lm25066},
	320	{"lm5064", lm5064},
	321	{"lm5066", lm5066},
	322	{ }
	323	};
	324
	325	MODULE_DEVICE_TABLE(i2c, lm25066_id);
	326
	327	/* This is the driver that will be inserted */
	328	static struct i2c_driver lm25066_driver = {
	329	.driver = {
	330	.name = "lm25066",
	331	},
	332	.probe = lm25066_probe,
	333	.remove = lm25066_remove,
	334	.id_table = lm25066_id,
	335	};
	336
f0967eea	337	module_i2c_driver(lm25066_driver);
03e9bd8d GR	338
	339	MODULE_AUTHOR("Guenter Roeck");
	340	MODULE_DESCRIPTION("PMBus driver for LM25066/LM5064/LM5066");
	341	MODULE_LICENSE("GPL");