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03e9bd8d | 1 | /* |
c8ccab7a | 2 | * Hardware monitoring driver for LM25056 / LM25063 / LM25066 / LM5064 / LM5066 |
03e9bd8d GR |
3 | * |
4 | * Copyright (c) 2011 Ericsson AB. | |
a7c69118 | 5 | * Copyright (c) 2013 Guenter Roeck |
03e9bd8d GR |
6 | * |
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. | |
11 | * | |
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. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
2c052d42 | 22 | #include <linux/bitops.h> |
03e9bd8d GR |
23 | #include <linux/kernel.h> |
24 | #include <linux/module.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/err.h> | |
27 | #include <linux/slab.h> | |
28 | #include <linux/i2c.h> | |
29 | #include "pmbus.h" | |
30 | ||
c8ccab7a | 31 | enum chips { lm25056, lm25063, lm25066, lm5064, lm5066 }; |
03e9bd8d GR |
32 | |
33 | #define LM25066_READ_VAUX 0xd0 | |
34 | #define LM25066_MFR_READ_IIN 0xd1 | |
35 | #define LM25066_MFR_READ_PIN 0xd2 | |
36 | #define LM25066_MFR_IIN_OC_WARN_LIMIT 0xd3 | |
37 | #define LM25066_MFR_PIN_OP_WARN_LIMIT 0xd4 | |
38 | #define LM25066_READ_PIN_PEAK 0xd5 | |
39 | #define LM25066_CLEAR_PIN_PEAK 0xd6 | |
40 | #define LM25066_DEVICE_SETUP 0xd9 | |
41 | #define LM25066_READ_AVG_VIN 0xdc | |
42 | #define LM25066_READ_AVG_VOUT 0xdd | |
43 | #define LM25066_READ_AVG_IIN 0xde | |
44 | #define LM25066_READ_AVG_PIN 0xdf | |
45 | ||
2c052d42 | 46 | #define LM25066_DEV_SETUP_CL BIT(4) /* Current limit */ |
03e9bd8d | 47 | |
58615a94 GR |
48 | /* LM25056 only */ |
49 | ||
50 | #define LM25056_VAUX_OV_WARN_LIMIT 0xe3 | |
51 | #define LM25056_VAUX_UV_WARN_LIMIT 0xe4 | |
52 | ||
2c052d42 GR |
53 | #define LM25056_MFR_STS_VAUX_OV_WARN BIT(1) |
54 | #define LM25056_MFR_STS_VAUX_UV_WARN BIT(0) | |
58615a94 | 55 | |
c8ccab7a GR |
56 | /* LM25063 only */ |
57 | ||
58 | #define LM25063_READ_VOUT_MAX 0xe5 | |
59 | #define LM25063_READ_VOUT_MIN 0xe6 | |
60 | ||
e53e6497 GR |
61 | struct __coeff { |
62 | short m, b, R; | |
63 | }; | |
64 | ||
65 | #define PSC_CURRENT_IN_L (PSC_NUM_CLASSES) | |
66 | #define PSC_POWER_L (PSC_NUM_CLASSES + 1) | |
67 | ||
c8ccab7a | 68 | static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = { |
58615a94 GR |
69 | [lm25056] = { |
70 | [PSC_VOLTAGE_IN] = { | |
71 | .m = 16296, | |
72 | .R = -2, | |
73 | }, | |
74 | [PSC_CURRENT_IN] = { | |
75 | .m = 13797, | |
76 | .R = -2, | |
77 | }, | |
78 | [PSC_CURRENT_IN_L] = { | |
79 | .m = 6726, | |
80 | .R = -2, | |
81 | }, | |
82 | [PSC_POWER] = { | |
83 | .m = 5501, | |
84 | .R = -3, | |
85 | }, | |
86 | [PSC_POWER_L] = { | |
87 | .m = 26882, | |
88 | .R = -4, | |
89 | }, | |
90 | [PSC_TEMPERATURE] = { | |
91 | .m = 1580, | |
92 | .b = -14500, | |
93 | .R = -2, | |
94 | }, | |
95 | }, | |
e53e6497 GR |
96 | [lm25066] = { |
97 | [PSC_VOLTAGE_IN] = { | |
98 | .m = 22070, | |
99 | .R = -2, | |
100 | }, | |
101 | [PSC_VOLTAGE_OUT] = { | |
102 | .m = 22070, | |
103 | .R = -2, | |
104 | }, | |
105 | [PSC_CURRENT_IN] = { | |
106 | .m = 13661, | |
107 | .R = -2, | |
108 | }, | |
109 | [PSC_CURRENT_IN_L] = { | |
110 | .m = 6852, | |
111 | .R = -2, | |
112 | }, | |
113 | [PSC_POWER] = { | |
114 | .m = 736, | |
115 | .R = -2, | |
116 | }, | |
117 | [PSC_POWER_L] = { | |
118 | .m = 369, | |
119 | .R = -2, | |
120 | }, | |
121 | [PSC_TEMPERATURE] = { | |
122 | .m = 16, | |
123 | }, | |
124 | }, | |
c8ccab7a GR |
125 | [lm25063] = { |
126 | [PSC_VOLTAGE_IN] = { | |
127 | .m = 16000, | |
128 | .R = -2, | |
129 | }, | |
130 | [PSC_VOLTAGE_OUT] = { | |
131 | .m = 16000, | |
132 | .R = -2, | |
133 | }, | |
134 | [PSC_CURRENT_IN] = { | |
135 | .m = 10000, | |
136 | .R = -2, | |
137 | }, | |
138 | [PSC_CURRENT_IN_L] = { | |
139 | .m = 10000, | |
140 | .R = -2, | |
141 | }, | |
142 | [PSC_POWER] = { | |
143 | .m = 5000, | |
144 | .R = -3, | |
145 | }, | |
146 | [PSC_POWER_L] = { | |
147 | .m = 5000, | |
148 | .R = -3, | |
149 | }, | |
150 | [PSC_TEMPERATURE] = { | |
151 | .m = 15596, | |
152 | .R = -3, | |
153 | }, | |
154 | }, | |
e53e6497 GR |
155 | [lm5064] = { |
156 | [PSC_VOLTAGE_IN] = { | |
157 | .m = 4611, | |
158 | .R = -2, | |
159 | }, | |
160 | [PSC_VOLTAGE_OUT] = { | |
161 | .m = 4621, | |
162 | .R = -2, | |
163 | }, | |
164 | [PSC_CURRENT_IN] = { | |
165 | .m = 10742, | |
166 | .R = -2, | |
167 | }, | |
168 | [PSC_CURRENT_IN_L] = { | |
169 | .m = 5456, | |
170 | .R = -2, | |
171 | }, | |
172 | [PSC_POWER] = { | |
173 | .m = 1204, | |
174 | .R = -3, | |
175 | }, | |
176 | [PSC_POWER_L] = { | |
177 | .m = 612, | |
178 | .R = -3, | |
179 | }, | |
180 | [PSC_TEMPERATURE] = { | |
181 | .m = 16, | |
182 | }, | |
183 | }, | |
184 | [lm5066] = { | |
185 | [PSC_VOLTAGE_IN] = { | |
186 | .m = 4587, | |
187 | .R = -2, | |
188 | }, | |
189 | [PSC_VOLTAGE_OUT] = { | |
190 | .m = 4587, | |
191 | .R = -2, | |
192 | }, | |
193 | [PSC_CURRENT_IN] = { | |
194 | .m = 10753, | |
195 | .R = -2, | |
196 | }, | |
197 | [PSC_CURRENT_IN_L] = { | |
198 | .m = 5405, | |
199 | .R = -2, | |
200 | }, | |
201 | [PSC_POWER] = { | |
202 | .m = 1204, | |
203 | .R = -3, | |
204 | }, | |
205 | [PSC_POWER_L] = { | |
206 | .m = 605, | |
207 | .R = -3, | |
208 | }, | |
209 | [PSC_TEMPERATURE] = { | |
210 | .m = 16, | |
211 | }, | |
212 | }, | |
213 | }; | |
214 | ||
03e9bd8d GR |
215 | struct lm25066_data { |
216 | int id; | |
c8ccab7a | 217 | u16 rlimit; /* Maximum register value */ |
03e9bd8d GR |
218 | struct pmbus_driver_info info; |
219 | }; | |
220 | ||
221 | #define to_lm25066_data(x) container_of(x, struct lm25066_data, info) | |
222 | ||
223 | static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) | |
224 | { | |
225 | const struct pmbus_driver_info *info = pmbus_get_driver_info(client); | |
226 | const struct lm25066_data *data = to_lm25066_data(info); | |
227 | int ret; | |
228 | ||
a7c69118 GR |
229 | switch (reg) { |
230 | case PMBUS_VIRT_READ_VMON: | |
231 | ret = pmbus_read_word_data(client, 0, LM25066_READ_VAUX); | |
232 | if (ret < 0) | |
233 | break; | |
234 | /* Adjust returned value to match VIN coefficients */ | |
235 | switch (data->id) { | |
58615a94 GR |
236 | case lm25056: |
237 | /* VIN: 6.14 mV VAUX: 293 uV LSB */ | |
238 | ret = DIV_ROUND_CLOSEST(ret * 293, 6140); | |
239 | break; | |
c8ccab7a GR |
240 | case lm25063: |
241 | /* VIN: 6.25 mV VAUX: 200.0 uV LSB */ | |
242 | ret = DIV_ROUND_CLOSEST(ret * 20, 625); | |
243 | break; | |
a7c69118 GR |
244 | case lm25066: |
245 | /* VIN: 4.54 mV VAUX: 283.2 uV LSB */ | |
246 | ret = DIV_ROUND_CLOSEST(ret * 2832, 45400); | |
03e9bd8d | 247 | break; |
a7c69118 GR |
248 | case lm5064: |
249 | /* VIN: 4.53 mV VAUX: 700 uV LSB */ | |
250 | ret = DIV_ROUND_CLOSEST(ret * 70, 453); | |
251 | break; | |
252 | case lm5066: | |
253 | /* VIN: 2.18 mV VAUX: 725 uV LSB */ | |
254 | ret = DIV_ROUND_CLOSEST(ret * 725, 2180); | |
03e9bd8d GR |
255 | break; |
256 | } | |
a7c69118 | 257 | break; |
03e9bd8d GR |
258 | case PMBUS_READ_IIN: |
259 | ret = pmbus_read_word_data(client, 0, LM25066_MFR_READ_IIN); | |
260 | break; | |
261 | case PMBUS_READ_PIN: | |
262 | ret = pmbus_read_word_data(client, 0, LM25066_MFR_READ_PIN); | |
263 | break; | |
264 | case PMBUS_IIN_OC_WARN_LIMIT: | |
265 | ret = pmbus_read_word_data(client, 0, | |
266 | LM25066_MFR_IIN_OC_WARN_LIMIT); | |
267 | break; | |
268 | case PMBUS_PIN_OP_WARN_LIMIT: | |
269 | ret = pmbus_read_word_data(client, 0, | |
270 | LM25066_MFR_PIN_OP_WARN_LIMIT); | |
271 | break; | |
272 | case PMBUS_VIRT_READ_VIN_AVG: | |
273 | ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_VIN); | |
274 | break; | |
275 | case PMBUS_VIRT_READ_VOUT_AVG: | |
276 | ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_VOUT); | |
277 | break; | |
278 | case PMBUS_VIRT_READ_IIN_AVG: | |
279 | ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_IIN); | |
280 | break; | |
281 | case PMBUS_VIRT_READ_PIN_AVG: | |
282 | ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_PIN); | |
283 | break; | |
284 | case PMBUS_VIRT_READ_PIN_MAX: | |
285 | ret = pmbus_read_word_data(client, 0, LM25066_READ_PIN_PEAK); | |
286 | break; | |
287 | case PMBUS_VIRT_RESET_PIN_HISTORY: | |
288 | ret = 0; | |
289 | break; | |
290 | default: | |
291 | ret = -ENODATA; | |
292 | break; | |
293 | } | |
03e9bd8d GR |
294 | return ret; |
295 | } | |
296 | ||
c8ccab7a GR |
297 | static int lm25063_read_word_data(struct i2c_client *client, int page, int reg) |
298 | { | |
299 | int ret; | |
300 | ||
301 | switch (reg) { | |
302 | case PMBUS_VIRT_READ_VOUT_MAX: | |
303 | ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MAX); | |
304 | break; | |
305 | case PMBUS_VIRT_READ_VOUT_MIN: | |
306 | ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MIN); | |
307 | break; | |
308 | default: | |
309 | ret = lm25066_read_word_data(client, page, reg); | |
310 | break; | |
311 | } | |
312 | return ret; | |
313 | } | |
314 | ||
58615a94 GR |
315 | static int lm25056_read_word_data(struct i2c_client *client, int page, int reg) |
316 | { | |
317 | int ret; | |
318 | ||
319 | switch (reg) { | |
320 | case PMBUS_VIRT_VMON_UV_WARN_LIMIT: | |
321 | ret = pmbus_read_word_data(client, 0, | |
322 | LM25056_VAUX_UV_WARN_LIMIT); | |
323 | if (ret < 0) | |
324 | break; | |
325 | /* Adjust returned value to match VIN coefficients */ | |
326 | ret = DIV_ROUND_CLOSEST(ret * 293, 6140); | |
327 | break; | |
328 | case PMBUS_VIRT_VMON_OV_WARN_LIMIT: | |
329 | ret = pmbus_read_word_data(client, 0, | |
330 | LM25056_VAUX_OV_WARN_LIMIT); | |
331 | if (ret < 0) | |
332 | break; | |
333 | /* Adjust returned value to match VIN coefficients */ | |
334 | ret = DIV_ROUND_CLOSEST(ret * 293, 6140); | |
335 | break; | |
336 | default: | |
337 | ret = lm25066_read_word_data(client, page, reg); | |
338 | break; | |
339 | } | |
340 | return ret; | |
341 | } | |
342 | ||
343 | static int lm25056_read_byte_data(struct i2c_client *client, int page, int reg) | |
344 | { | |
345 | int ret, s; | |
346 | ||
347 | switch (reg) { | |
348 | case PMBUS_VIRT_STATUS_VMON: | |
349 | ret = pmbus_read_byte_data(client, 0, | |
350 | PMBUS_STATUS_MFR_SPECIFIC); | |
351 | if (ret < 0) | |
352 | break; | |
353 | s = 0; | |
354 | if (ret & LM25056_MFR_STS_VAUX_UV_WARN) | |
355 | s |= PB_VOLTAGE_UV_WARNING; | |
356 | if (ret & LM25056_MFR_STS_VAUX_OV_WARN) | |
357 | s |= PB_VOLTAGE_OV_WARNING; | |
358 | ret = s; | |
359 | break; | |
360 | default: | |
361 | ret = -ENODATA; | |
362 | break; | |
363 | } | |
364 | return ret; | |
365 | } | |
366 | ||
03e9bd8d GR |
367 | static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, |
368 | u16 word) | |
369 | { | |
c8ccab7a GR |
370 | const struct pmbus_driver_info *info = pmbus_get_driver_info(client); |
371 | const struct lm25066_data *data = to_lm25066_data(info); | |
03e9bd8d GR |
372 | int ret; |
373 | ||
03e9bd8d | 374 | switch (reg) { |
c8ccab7a GR |
375 | case PMBUS_POUT_OP_FAULT_LIMIT: |
376 | case PMBUS_POUT_OP_WARN_LIMIT: | |
2507abb3 GR |
377 | case PMBUS_VOUT_UV_WARN_LIMIT: |
378 | case PMBUS_OT_FAULT_LIMIT: | |
379 | case PMBUS_OT_WARN_LIMIT: | |
c8ccab7a | 380 | case PMBUS_IIN_OC_FAULT_LIMIT: |
2507abb3 | 381 | case PMBUS_VIN_UV_WARN_LIMIT: |
c8ccab7a GR |
382 | case PMBUS_VIN_UV_FAULT_LIMIT: |
383 | case PMBUS_VIN_OV_FAULT_LIMIT: | |
2507abb3 | 384 | case PMBUS_VIN_OV_WARN_LIMIT: |
c8ccab7a | 385 | word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); |
2507abb3 GR |
386 | ret = pmbus_write_word_data(client, 0, reg, word); |
387 | pmbus_clear_cache(client); | |
388 | break; | |
03e9bd8d | 389 | case PMBUS_IIN_OC_WARN_LIMIT: |
c8ccab7a | 390 | word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); |
03e9bd8d GR |
391 | ret = pmbus_write_word_data(client, 0, |
392 | LM25066_MFR_IIN_OC_WARN_LIMIT, | |
393 | word); | |
2507abb3 | 394 | pmbus_clear_cache(client); |
03e9bd8d GR |
395 | break; |
396 | case PMBUS_PIN_OP_WARN_LIMIT: | |
c8ccab7a | 397 | word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); |
03e9bd8d GR |
398 | ret = pmbus_write_word_data(client, 0, |
399 | LM25066_MFR_PIN_OP_WARN_LIMIT, | |
400 | word); | |
2507abb3 | 401 | pmbus_clear_cache(client); |
03e9bd8d | 402 | break; |
58615a94 GR |
403 | case PMBUS_VIRT_VMON_UV_WARN_LIMIT: |
404 | /* Adjust from VIN coefficients (for LM25056) */ | |
405 | word = DIV_ROUND_CLOSEST((int)word * 6140, 293); | |
c8ccab7a | 406 | word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); |
58615a94 GR |
407 | ret = pmbus_write_word_data(client, 0, |
408 | LM25056_VAUX_UV_WARN_LIMIT, word); | |
409 | pmbus_clear_cache(client); | |
410 | break; | |
411 | case PMBUS_VIRT_VMON_OV_WARN_LIMIT: | |
412 | /* Adjust from VIN coefficients (for LM25056) */ | |
413 | word = DIV_ROUND_CLOSEST((int)word * 6140, 293); | |
c8ccab7a | 414 | word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); |
58615a94 GR |
415 | ret = pmbus_write_word_data(client, 0, |
416 | LM25056_VAUX_OV_WARN_LIMIT, word); | |
417 | pmbus_clear_cache(client); | |
418 | break; | |
03e9bd8d GR |
419 | case PMBUS_VIRT_RESET_PIN_HISTORY: |
420 | ret = pmbus_write_byte(client, 0, LM25066_CLEAR_PIN_PEAK); | |
421 | break; | |
422 | default: | |
423 | ret = -ENODATA; | |
424 | break; | |
425 | } | |
426 | return ret; | |
427 | } | |
428 | ||
429 | static int lm25066_probe(struct i2c_client *client, | |
430 | const struct i2c_device_id *id) | |
431 | { | |
432 | int config; | |
03e9bd8d GR |
433 | struct lm25066_data *data; |
434 | struct pmbus_driver_info *info; | |
e53e6497 | 435 | struct __coeff *coeff; |
03e9bd8d GR |
436 | |
437 | if (!i2c_check_functionality(client->adapter, | |
438 | I2C_FUNC_SMBUS_READ_BYTE_DATA)) | |
439 | return -ENODEV; | |
440 | ||
8b313ca7 GR |
441 | data = devm_kzalloc(&client->dev, sizeof(struct lm25066_data), |
442 | GFP_KERNEL); | |
03e9bd8d GR |
443 | if (!data) |
444 | return -ENOMEM; | |
445 | ||
446 | config = i2c_smbus_read_byte_data(client, LM25066_DEVICE_SETUP); | |
8b313ca7 GR |
447 | if (config < 0) |
448 | return config; | |
03e9bd8d GR |
449 | |
450 | data->id = id->driver_data; | |
451 | info = &data->info; | |
452 | ||
a7c69118 | 453 | info->pages = 1; |
03e9bd8d GR |
454 | info->format[PSC_VOLTAGE_IN] = direct; |
455 | info->format[PSC_VOLTAGE_OUT] = direct; | |
456 | info->format[PSC_CURRENT_IN] = direct; | |
457 | info->format[PSC_TEMPERATURE] = direct; | |
458 | info->format[PSC_POWER] = direct; | |
459 | ||
58615a94 GR |
460 | info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VMON |
461 | | PMBUS_HAVE_PIN | PMBUS_HAVE_IIN | PMBUS_HAVE_STATUS_INPUT | |
462 | | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP; | |
03e9bd8d | 463 | |
58615a94 GR |
464 | if (data->id == lm25056) { |
465 | info->func[0] |= PMBUS_HAVE_STATUS_VMON; | |
466 | info->read_word_data = lm25056_read_word_data; | |
467 | info->read_byte_data = lm25056_read_byte_data; | |
c8ccab7a GR |
468 | data->rlimit = 0x0fff; |
469 | } else if (data->id == lm25063) { | |
470 | info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
471 | | PMBUS_HAVE_POUT; | |
472 | info->read_word_data = lm25063_read_word_data; | |
473 | data->rlimit = 0xffff; | |
58615a94 GR |
474 | } else { |
475 | info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; | |
476 | info->read_word_data = lm25066_read_word_data; | |
c8ccab7a | 477 | data->rlimit = 0x0fff; |
58615a94 | 478 | } |
03e9bd8d GR |
479 | info->write_word_data = lm25066_write_word_data; |
480 | ||
e53e6497 GR |
481 | coeff = &lm25066_coeff[data->id][0]; |
482 | info->m[PSC_TEMPERATURE] = coeff[PSC_TEMPERATURE].m; | |
483 | info->b[PSC_TEMPERATURE] = coeff[PSC_TEMPERATURE].b; | |
484 | info->R[PSC_TEMPERATURE] = coeff[PSC_TEMPERATURE].R; | |
485 | info->m[PSC_VOLTAGE_IN] = coeff[PSC_VOLTAGE_IN].m; | |
486 | info->b[PSC_VOLTAGE_IN] = coeff[PSC_VOLTAGE_IN].b; | |
487 | info->R[PSC_VOLTAGE_IN] = coeff[PSC_VOLTAGE_IN].R; | |
488 | info->m[PSC_VOLTAGE_OUT] = coeff[PSC_VOLTAGE_OUT].m; | |
489 | info->b[PSC_VOLTAGE_OUT] = coeff[PSC_VOLTAGE_OUT].b; | |
490 | info->R[PSC_VOLTAGE_OUT] = coeff[PSC_VOLTAGE_OUT].R; | |
491 | info->b[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN].b; | |
492 | info->R[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN].R; | |
493 | info->b[PSC_POWER] = coeff[PSC_POWER].b; | |
494 | info->R[PSC_POWER] = coeff[PSC_POWER].R; | |
495 | if (config & LM25066_DEV_SETUP_CL) { | |
496 | info->m[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN_L].m; | |
497 | info->m[PSC_POWER] = coeff[PSC_POWER_L].m; | |
498 | } else { | |
499 | info->m[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN].m; | |
500 | info->m[PSC_POWER] = coeff[PSC_POWER].m; | |
03e9bd8d GR |
501 | } |
502 | ||
8b313ca7 | 503 | return pmbus_do_probe(client, id, info); |
03e9bd8d GR |
504 | } |
505 | ||
03e9bd8d | 506 | static const struct i2c_device_id lm25066_id[] = { |
58615a94 | 507 | {"lm25056", lm25056}, |
c8ccab7a | 508 | {"lm25063", lm25063}, |
03e9bd8d GR |
509 | {"lm25066", lm25066}, |
510 | {"lm5064", lm5064}, | |
511 | {"lm5066", lm5066}, | |
512 | { } | |
513 | }; | |
514 | ||
515 | MODULE_DEVICE_TABLE(i2c, lm25066_id); | |
516 | ||
517 | /* This is the driver that will be inserted */ | |
518 | static struct i2c_driver lm25066_driver = { | |
519 | .driver = { | |
520 | .name = "lm25066", | |
521 | }, | |
522 | .probe = lm25066_probe, | |
dd285ad7 | 523 | .remove = pmbus_do_remove, |
03e9bd8d GR |
524 | .id_table = lm25066_id, |
525 | }; | |
526 | ||
f0967eea | 527 | module_i2c_driver(lm25066_driver); |
03e9bd8d GR |
528 | |
529 | MODULE_AUTHOR("Guenter Roeck"); | |
c8ccab7a | 530 | MODULE_DESCRIPTION("PMBus driver for LM25066 and compatible chips"); |
03e9bd8d | 531 | MODULE_LICENSE("GPL"); |