2 * Copyright (c) 2012 Guenter Roeck <linux@roeck-us.net>
5 * Copyright (c) 2011 David George <david.george@ska.ac.za>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
18 #include <linux/module.h>
19 #include <linux/init.h>
20 #include <linux/slab.h>
21 #include <linux/jiffies.h>
22 #include <linux/i2c.h>
23 #include <linux/hwmon.h>
24 #include <linux/hwmon-sysfs.h>
25 #include <linux/err.h>
26 #include <linux/mutex.h>
27 #include <linux/of_device.h>
30 #include <linux/platform_data/max6697.h>
32 enum chips { max6581, max6602, max6622, max6636, max6689, max6693, max6694,
33 max6697, max6698, max6699 };
35 /* Report local sensor as temp1 */
37 static const u8 MAX6697_REG_TEMP[] = {
38 0x07, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x08 };
39 static const u8 MAX6697_REG_TEMP_EXT[] = {
40 0x57, 0x09, 0x52, 0x53, 0x54, 0x55, 0x56, 0 };
41 static const u8 MAX6697_REG_MAX[] = {
42 0x17, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x18 };
43 static const u8 MAX6697_REG_CRIT[] = {
44 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27 };
47 * Map device tree / platform data register bit map to chip bit map.
48 * Applies to alert register and over-temperature register.
50 #define MAX6697_MAP_BITS(reg) ((((reg) & 0x7e) >> 1) | \
51 (((reg) & 0x01) << 6) | ((reg) & 0x80))
53 #define MAX6697_REG_STAT(n) (0x44 + (n))
55 #define MAX6697_REG_CONFIG 0x41
56 #define MAX6581_CONF_EXTENDED (1 << 1)
57 #define MAX6693_CONF_BETA (1 << 2)
58 #define MAX6697_CONF_RESISTANCE (1 << 3)
59 #define MAX6697_CONF_TIMEOUT (1 << 5)
60 #define MAX6697_REG_ALERT_MASK 0x42
61 #define MAX6697_REG_OVERT_MASK 0x43
63 #define MAX6581_REG_RESISTANCE 0x4a
64 #define MAX6581_REG_IDEALITY 0x4b
65 #define MAX6581_REG_IDEALITY_SELECT 0x4c
66 #define MAX6581_REG_OFFSET 0x4d
67 #define MAX6581_REG_OFFSET_SELECT 0x4e
69 #define MAX6697_CONV_TIME 156 /* ms per channel, worst case */
71 struct max6697_chip_data {
81 struct i2c_client *client;
84 const struct max6697_chip_data *chip;
86 int update_interval; /* in milli-seconds */
87 int temp_offset; /* in degrees C */
89 struct mutex update_lock;
90 unsigned long last_updated; /* In jiffies */
91 bool valid; /* true if following fields are valid */
93 /* 1x local and up to 7x remote */
94 u8 temp[8][4]; /* [nr][0]=temp [1]=ext [2]=max [3]=crit */
95 #define MAX6697_TEMP_INPUT 0
96 #define MAX6697_TEMP_EXT 1
97 #define MAX6697_TEMP_MAX 2
98 #define MAX6697_TEMP_CRIT 3
102 /* Diode fault status bits on MAX6581 are right shifted by one bit */
103 static const u8 max6581_alarm_map[] = {
104 0, 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15,
105 16, 17, 18, 19, 20, 21, 22, 23 };
107 static const struct max6697_chip_data max6697_chip_data[] = {
113 .valid_conf = MAX6581_CONF_EXTENDED | MAX6697_CONF_TIMEOUT,
114 .alarm_map = max6581_alarm_map,
121 .valid_conf = MAX6697_CONF_RESISTANCE | MAX6697_CONF_TIMEOUT,
128 .valid_conf = MAX6697_CONF_RESISTANCE | MAX6697_CONF_TIMEOUT,
135 .valid_conf = MAX6697_CONF_RESISTANCE | MAX6697_CONF_TIMEOUT,
142 .valid_conf = MAX6697_CONF_RESISTANCE | MAX6697_CONF_TIMEOUT,
149 .valid_conf = MAX6697_CONF_RESISTANCE | MAX6693_CONF_BETA |
150 MAX6697_CONF_TIMEOUT,
157 .valid_conf = MAX6697_CONF_RESISTANCE | MAX6693_CONF_BETA |
158 MAX6697_CONF_TIMEOUT,
165 .valid_conf = MAX6697_CONF_RESISTANCE | MAX6697_CONF_TIMEOUT,
172 .valid_conf = MAX6697_CONF_RESISTANCE | MAX6697_CONF_TIMEOUT,
179 .valid_conf = MAX6697_CONF_RESISTANCE | MAX6697_CONF_TIMEOUT,
183 static struct max6697_data *max6697_update_device(struct device *dev)
185 struct max6697_data *data = dev_get_drvdata(dev);
186 struct i2c_client *client = data->client;
187 struct max6697_data *ret = data;
192 mutex_lock(&data->update_lock);
195 !time_after(jiffies, data->last_updated
196 + msecs_to_jiffies(data->update_interval)))
199 for (i = 0; i < data->chip->channels; i++) {
200 if (data->chip->have_ext & (1 << i)) {
201 val = i2c_smbus_read_byte_data(client,
202 MAX6697_REG_TEMP_EXT[i]);
203 if (unlikely(val < 0)) {
207 data->temp[i][MAX6697_TEMP_EXT] = val;
210 val = i2c_smbus_read_byte_data(client, MAX6697_REG_TEMP[i]);
211 if (unlikely(val < 0)) {
215 data->temp[i][MAX6697_TEMP_INPUT] = val;
217 val = i2c_smbus_read_byte_data(client, MAX6697_REG_MAX[i]);
218 if (unlikely(val < 0)) {
222 data->temp[i][MAX6697_TEMP_MAX] = val;
224 if (data->chip->have_crit & (1 << i)) {
225 val = i2c_smbus_read_byte_data(client,
226 MAX6697_REG_CRIT[i]);
227 if (unlikely(val < 0)) {
231 data->temp[i][MAX6697_TEMP_CRIT] = val;
236 for (i = 0; i < 3; i++) {
237 val = i2c_smbus_read_byte_data(client, MAX6697_REG_STAT(i));
238 if (unlikely(val < 0)) {
242 alarms = (alarms << 8) | val;
244 data->alarms = alarms;
245 data->last_updated = jiffies;
248 mutex_unlock(&data->update_lock);
253 static ssize_t temp_input_show(struct device *dev,
254 struct device_attribute *devattr, char *buf)
256 int index = to_sensor_dev_attr(devattr)->index;
257 struct max6697_data *data = max6697_update_device(dev);
261 return PTR_ERR(data);
263 temp = (data->temp[index][MAX6697_TEMP_INPUT] - data->temp_offset) << 3;
264 temp |= data->temp[index][MAX6697_TEMP_EXT] >> 5;
266 return sprintf(buf, "%d\n", temp * 125);
269 static ssize_t temp_show(struct device *dev, struct device_attribute *devattr,
272 int nr = to_sensor_dev_attr_2(devattr)->nr;
273 int index = to_sensor_dev_attr_2(devattr)->index;
274 struct max6697_data *data = max6697_update_device(dev);
278 return PTR_ERR(data);
280 temp = data->temp[nr][index];
281 temp -= data->temp_offset;
283 return sprintf(buf, "%d\n", temp * 1000);
286 static ssize_t alarm_show(struct device *dev, struct device_attribute *attr,
289 int index = to_sensor_dev_attr(attr)->index;
290 struct max6697_data *data = max6697_update_device(dev);
293 return PTR_ERR(data);
295 if (data->chip->alarm_map)
296 index = data->chip->alarm_map[index];
298 return sprintf(buf, "%u\n", (data->alarms >> index) & 0x1);
301 static ssize_t temp_store(struct device *dev,
302 struct device_attribute *devattr, const char *buf,
305 int nr = to_sensor_dev_attr_2(devattr)->nr;
306 int index = to_sensor_dev_attr_2(devattr)->index;
307 struct max6697_data *data = dev_get_drvdata(dev);
311 ret = kstrtol(buf, 10, &temp);
315 mutex_lock(&data->update_lock);
316 temp = DIV_ROUND_CLOSEST(temp, 1000) + data->temp_offset;
317 temp = clamp_val(temp, 0, data->type == max6581 ? 255 : 127);
318 data->temp[nr][index] = temp;
319 ret = i2c_smbus_write_byte_data(data->client,
320 index == 2 ? MAX6697_REG_MAX[nr]
321 : MAX6697_REG_CRIT[nr],
323 mutex_unlock(&data->update_lock);
325 return ret < 0 ? ret : count;
328 static SENSOR_DEVICE_ATTR_RO(temp1_input, temp_input, 0);
329 static SENSOR_DEVICE_ATTR_2_RW(temp1_max, temp, 0, MAX6697_TEMP_MAX);
330 static SENSOR_DEVICE_ATTR_2_RW(temp1_crit, temp, 0, MAX6697_TEMP_CRIT);
332 static SENSOR_DEVICE_ATTR_RO(temp2_input, temp_input, 1);
333 static SENSOR_DEVICE_ATTR_2_RW(temp2_max, temp, 1, MAX6697_TEMP_MAX);
334 static SENSOR_DEVICE_ATTR_2_RW(temp2_crit, temp, 1, MAX6697_TEMP_CRIT);
336 static SENSOR_DEVICE_ATTR_RO(temp3_input, temp_input, 2);
337 static SENSOR_DEVICE_ATTR_2_RW(temp3_max, temp, 2, MAX6697_TEMP_MAX);
338 static SENSOR_DEVICE_ATTR_2_RW(temp3_crit, temp, 2, MAX6697_TEMP_CRIT);
340 static SENSOR_DEVICE_ATTR_RO(temp4_input, temp_input, 3);
341 static SENSOR_DEVICE_ATTR_2_RW(temp4_max, temp, 3, MAX6697_TEMP_MAX);
342 static SENSOR_DEVICE_ATTR_2_RW(temp4_crit, temp, 3, MAX6697_TEMP_CRIT);
344 static SENSOR_DEVICE_ATTR_RO(temp5_input, temp_input, 4);
345 static SENSOR_DEVICE_ATTR_2_RW(temp5_max, temp, 4, MAX6697_TEMP_MAX);
346 static SENSOR_DEVICE_ATTR_2_RW(temp5_crit, temp, 4, MAX6697_TEMP_CRIT);
348 static SENSOR_DEVICE_ATTR_RO(temp6_input, temp_input, 5);
349 static SENSOR_DEVICE_ATTR_2_RW(temp6_max, temp, 5, MAX6697_TEMP_MAX);
350 static SENSOR_DEVICE_ATTR_2_RW(temp6_crit, temp, 5, MAX6697_TEMP_CRIT);
352 static SENSOR_DEVICE_ATTR_RO(temp7_input, temp_input, 6);
353 static SENSOR_DEVICE_ATTR_2_RW(temp7_max, temp, 6, MAX6697_TEMP_MAX);
354 static SENSOR_DEVICE_ATTR_2_RW(temp7_crit, temp, 6, MAX6697_TEMP_CRIT);
356 static SENSOR_DEVICE_ATTR_RO(temp8_input, temp_input, 7);
357 static SENSOR_DEVICE_ATTR_2_RW(temp8_max, temp, 7, MAX6697_TEMP_MAX);
358 static SENSOR_DEVICE_ATTR_2_RW(temp8_crit, temp, 7, MAX6697_TEMP_CRIT);
360 static SENSOR_DEVICE_ATTR_RO(temp1_max_alarm, alarm, 22);
361 static SENSOR_DEVICE_ATTR_RO(temp2_max_alarm, alarm, 16);
362 static SENSOR_DEVICE_ATTR_RO(temp3_max_alarm, alarm, 17);
363 static SENSOR_DEVICE_ATTR_RO(temp4_max_alarm, alarm, 18);
364 static SENSOR_DEVICE_ATTR_RO(temp5_max_alarm, alarm, 19);
365 static SENSOR_DEVICE_ATTR_RO(temp6_max_alarm, alarm, 20);
366 static SENSOR_DEVICE_ATTR_RO(temp7_max_alarm, alarm, 21);
367 static SENSOR_DEVICE_ATTR_RO(temp8_max_alarm, alarm, 23);
369 static SENSOR_DEVICE_ATTR_RO(temp1_crit_alarm, alarm, 14);
370 static SENSOR_DEVICE_ATTR_RO(temp2_crit_alarm, alarm, 8);
371 static SENSOR_DEVICE_ATTR_RO(temp3_crit_alarm, alarm, 9);
372 static SENSOR_DEVICE_ATTR_RO(temp4_crit_alarm, alarm, 10);
373 static SENSOR_DEVICE_ATTR_RO(temp5_crit_alarm, alarm, 11);
374 static SENSOR_DEVICE_ATTR_RO(temp6_crit_alarm, alarm, 12);
375 static SENSOR_DEVICE_ATTR_RO(temp7_crit_alarm, alarm, 13);
376 static SENSOR_DEVICE_ATTR_RO(temp8_crit_alarm, alarm, 15);
378 static SENSOR_DEVICE_ATTR_RO(temp2_fault, alarm, 1);
379 static SENSOR_DEVICE_ATTR_RO(temp3_fault, alarm, 2);
380 static SENSOR_DEVICE_ATTR_RO(temp4_fault, alarm, 3);
381 static SENSOR_DEVICE_ATTR_RO(temp5_fault, alarm, 4);
382 static SENSOR_DEVICE_ATTR_RO(temp6_fault, alarm, 5);
383 static SENSOR_DEVICE_ATTR_RO(temp7_fault, alarm, 6);
384 static SENSOR_DEVICE_ATTR_RO(temp8_fault, alarm, 7);
386 static DEVICE_ATTR(dummy, 0, NULL, NULL);
388 static umode_t max6697_is_visible(struct kobject *kobj, struct attribute *attr,
391 struct device *dev = container_of(kobj, struct device, kobj);
392 struct max6697_data *data = dev_get_drvdata(dev);
393 const struct max6697_chip_data *chip = data->chip;
394 int channel = index / 6; /* channel number */
395 int nr = index % 6; /* attribute index within channel */
397 if (channel >= chip->channels)
400 if ((nr == 3 || nr == 4) && !(chip->have_crit & (1 << channel)))
402 if (nr == 5 && !(chip->have_fault & (1 << channel)))
409 * max6697_is_visible uses the index into the following array to determine
410 * if attributes should be created or not. Any change in order or content
411 * must be matched in max6697_is_visible.
413 static struct attribute *max6697_attributes[] = {
414 &sensor_dev_attr_temp1_input.dev_attr.attr,
415 &sensor_dev_attr_temp1_max.dev_attr.attr,
416 &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
417 &sensor_dev_attr_temp1_crit.dev_attr.attr,
418 &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
419 &dev_attr_dummy.attr,
421 &sensor_dev_attr_temp2_input.dev_attr.attr,
422 &sensor_dev_attr_temp2_max.dev_attr.attr,
423 &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
424 &sensor_dev_attr_temp2_crit.dev_attr.attr,
425 &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
426 &sensor_dev_attr_temp2_fault.dev_attr.attr,
428 &sensor_dev_attr_temp3_input.dev_attr.attr,
429 &sensor_dev_attr_temp3_max.dev_attr.attr,
430 &sensor_dev_attr_temp3_max_alarm.dev_attr.attr,
431 &sensor_dev_attr_temp3_crit.dev_attr.attr,
432 &sensor_dev_attr_temp3_crit_alarm.dev_attr.attr,
433 &sensor_dev_attr_temp3_fault.dev_attr.attr,
435 &sensor_dev_attr_temp4_input.dev_attr.attr,
436 &sensor_dev_attr_temp4_max.dev_attr.attr,
437 &sensor_dev_attr_temp4_max_alarm.dev_attr.attr,
438 &sensor_dev_attr_temp4_crit.dev_attr.attr,
439 &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr,
440 &sensor_dev_attr_temp4_fault.dev_attr.attr,
442 &sensor_dev_attr_temp5_input.dev_attr.attr,
443 &sensor_dev_attr_temp5_max.dev_attr.attr,
444 &sensor_dev_attr_temp5_max_alarm.dev_attr.attr,
445 &sensor_dev_attr_temp5_crit.dev_attr.attr,
446 &sensor_dev_attr_temp5_crit_alarm.dev_attr.attr,
447 &sensor_dev_attr_temp5_fault.dev_attr.attr,
449 &sensor_dev_attr_temp6_input.dev_attr.attr,
450 &sensor_dev_attr_temp6_max.dev_attr.attr,
451 &sensor_dev_attr_temp6_max_alarm.dev_attr.attr,
452 &sensor_dev_attr_temp6_crit.dev_attr.attr,
453 &sensor_dev_attr_temp6_crit_alarm.dev_attr.attr,
454 &sensor_dev_attr_temp6_fault.dev_attr.attr,
456 &sensor_dev_attr_temp7_input.dev_attr.attr,
457 &sensor_dev_attr_temp7_max.dev_attr.attr,
458 &sensor_dev_attr_temp7_max_alarm.dev_attr.attr,
459 &sensor_dev_attr_temp7_crit.dev_attr.attr,
460 &sensor_dev_attr_temp7_crit_alarm.dev_attr.attr,
461 &sensor_dev_attr_temp7_fault.dev_attr.attr,
463 &sensor_dev_attr_temp8_input.dev_attr.attr,
464 &sensor_dev_attr_temp8_max.dev_attr.attr,
465 &sensor_dev_attr_temp8_max_alarm.dev_attr.attr,
466 &sensor_dev_attr_temp8_crit.dev_attr.attr,
467 &sensor_dev_attr_temp8_crit_alarm.dev_attr.attr,
468 &sensor_dev_attr_temp8_fault.dev_attr.attr,
472 static const struct attribute_group max6697_group = {
473 .attrs = max6697_attributes, .is_visible = max6697_is_visible,
475 __ATTRIBUTE_GROUPS(max6697);
477 static void max6697_get_config_of(struct device_node *node,
478 struct max6697_platform_data *pdata)
483 pdata->smbus_timeout_disable =
484 of_property_read_bool(node, "smbus-timeout-disable");
485 pdata->extended_range_enable =
486 of_property_read_bool(node, "extended-range-enable");
487 pdata->beta_compensation =
488 of_property_read_bool(node, "beta-compensation-enable");
490 prop = of_get_property(node, "alert-mask", &len);
491 if (prop && len == sizeof(u32))
492 pdata->alert_mask = be32_to_cpu(prop[0]);
493 prop = of_get_property(node, "over-temperature-mask", &len);
494 if (prop && len == sizeof(u32))
495 pdata->over_temperature_mask = be32_to_cpu(prop[0]);
496 prop = of_get_property(node, "resistance-cancellation", &len);
498 if (len == sizeof(u32))
499 pdata->resistance_cancellation = be32_to_cpu(prop[0]);
501 pdata->resistance_cancellation = 0xfe;
503 prop = of_get_property(node, "transistor-ideality", &len);
504 if (prop && len == 2 * sizeof(u32)) {
505 pdata->ideality_mask = be32_to_cpu(prop[0]);
506 pdata->ideality_value = be32_to_cpu(prop[1]);
510 static int max6697_init_chip(struct max6697_data *data,
511 struct i2c_client *client)
513 struct max6697_platform_data *pdata = dev_get_platdata(&client->dev);
514 struct max6697_platform_data p;
515 const struct max6697_chip_data *chip = data->chip;
516 int factor = chip->channels;
520 * Don't touch configuration if neither platform data nor OF
521 * configuration was specified. If that is the case, use the
522 * current chip configuration.
524 if (!pdata && !client->dev.of_node) {
525 reg = i2c_smbus_read_byte_data(client, MAX6697_REG_CONFIG);
528 if (data->type == max6581) {
529 if (reg & MAX6581_CONF_EXTENDED)
530 data->temp_offset = 64;
531 reg = i2c_smbus_read_byte_data(client,
532 MAX6581_REG_RESISTANCE);
535 factor += hweight8(reg);
537 if (reg & MAX6697_CONF_RESISTANCE)
543 if (client->dev.of_node) {
544 memset(&p, 0, sizeof(p));
545 max6697_get_config_of(client->dev.of_node, &p);
550 if (pdata->smbus_timeout_disable &&
551 (chip->valid_conf & MAX6697_CONF_TIMEOUT)) {
552 reg |= MAX6697_CONF_TIMEOUT;
554 if (pdata->extended_range_enable &&
555 (chip->valid_conf & MAX6581_CONF_EXTENDED)) {
556 reg |= MAX6581_CONF_EXTENDED;
557 data->temp_offset = 64;
559 if (pdata->resistance_cancellation &&
560 (chip->valid_conf & MAX6697_CONF_RESISTANCE)) {
561 reg |= MAX6697_CONF_RESISTANCE;
564 if (pdata->beta_compensation &&
565 (chip->valid_conf & MAX6693_CONF_BETA)) {
566 reg |= MAX6693_CONF_BETA;
569 ret = i2c_smbus_write_byte_data(client, MAX6697_REG_CONFIG, reg);
573 ret = i2c_smbus_write_byte_data(client, MAX6697_REG_ALERT_MASK,
574 MAX6697_MAP_BITS(pdata->alert_mask));
578 ret = i2c_smbus_write_byte_data(client, MAX6697_REG_OVERT_MASK,
579 MAX6697_MAP_BITS(pdata->over_temperature_mask));
583 if (data->type == max6581) {
584 factor += hweight8(pdata->resistance_cancellation >> 1);
585 ret = i2c_smbus_write_byte_data(client, MAX6581_REG_RESISTANCE,
586 pdata->resistance_cancellation >> 1);
589 ret = i2c_smbus_write_byte_data(client, MAX6581_REG_IDEALITY,
590 pdata->ideality_value);
593 ret = i2c_smbus_write_byte_data(client,
594 MAX6581_REG_IDEALITY_SELECT,
595 pdata->ideality_mask >> 1);
600 data->update_interval = factor * MAX6697_CONV_TIME;
604 static int max6697_probe(struct i2c_client *client,
605 const struct i2c_device_id *id)
607 struct i2c_adapter *adapter = client->adapter;
608 struct device *dev = &client->dev;
609 struct max6697_data *data;
610 struct device *hwmon_dev;
613 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
616 data = devm_kzalloc(dev, sizeof(struct max6697_data), GFP_KERNEL);
620 if (client->dev.of_node)
621 data->type = (enum chips)of_device_get_match_data(&client->dev);
623 data->type = id->driver_data;
624 data->chip = &max6697_chip_data[data->type];
625 data->client = client;
626 mutex_init(&data->update_lock);
628 err = max6697_init_chip(data, client);
632 hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
635 return PTR_ERR_OR_ZERO(hwmon_dev);
638 static const struct i2c_device_id max6697_id[] = {
639 { "max6581", max6581 },
640 { "max6602", max6602 },
641 { "max6622", max6622 },
642 { "max6636", max6636 },
643 { "max6689", max6689 },
644 { "max6693", max6693 },
645 { "max6694", max6694 },
646 { "max6697", max6697 },
647 { "max6698", max6698 },
648 { "max6699", max6699 },
651 MODULE_DEVICE_TABLE(i2c, max6697_id);
653 static const struct of_device_id max6697_of_match[] = {
655 .compatible = "maxim,max6581",
656 .data = (void *)max6581
659 .compatible = "maxim,max6602",
660 .data = (void *)max6602
663 .compatible = "maxim,max6622",
664 .data = (void *)max6622
667 .compatible = "maxim,max6636",
668 .data = (void *)max6636
671 .compatible = "maxim,max6689",
672 .data = (void *)max6689
675 .compatible = "maxim,max6693",
676 .data = (void *)max6693
679 .compatible = "maxim,max6694",
680 .data = (void *)max6694
683 .compatible = "maxim,max6697",
684 .data = (void *)max6697
687 .compatible = "maxim,max6698",
688 .data = (void *)max6698
691 .compatible = "maxim,max6699",
692 .data = (void *)max6699
696 MODULE_DEVICE_TABLE(of, max6697_of_match);
698 static struct i2c_driver max6697_driver = {
699 .class = I2C_CLASS_HWMON,
702 .of_match_table = of_match_ptr(max6697_of_match),
704 .probe = max6697_probe,
705 .id_table = max6697_id,
708 module_i2c_driver(max6697_driver);
710 MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
711 MODULE_DESCRIPTION("MAX6697 temperature sensor driver");
712 MODULE_LICENSE("GPL");