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fd2f02f9 AL |
1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | // | |
3 | // da9211-regulator.c - Regulator device driver for DA9211/DA9212 | |
4 | // /DA9213/DA9223/DA9214/DA9224/DA9215/DA9225 | |
5 | // Copyright (C) 2015 Dialog Semiconductor Ltd. | |
1028a37d JB |
6 | |
7 | #include <linux/err.h> | |
1028a37d JB |
8 | #include <linux/i2c.h> |
9 | #include <linux/module.h> | |
10 | #include <linux/init.h> | |
11 | #include <linux/slab.h> | |
12 | #include <linux/regulator/driver.h> | |
13 | #include <linux/regulator/machine.h> | |
14 | #include <linux/regmap.h> | |
15 | #include <linux/irq.h> | |
16 | #include <linux/interrupt.h> | |
11da04af | 17 | #include <linux/gpio/consumer.h> |
bf3baca6 | 18 | #include <linux/regulator/of_regulator.h> |
1028a37d | 19 | #include <linux/regulator/da9211.h> |
6c8b6595 | 20 | #include <dt-bindings/regulator/dlg,da9211-regulator.h> |
1028a37d JB |
21 | #include "da9211-regulator.h" |
22 | ||
005547e0 JB |
23 | /* DEVICE IDs */ |
24 | #define DA9211_DEVICE_ID 0x22 | |
25 | #define DA9213_DEVICE_ID 0x23 | |
7bd39354 | 26 | #define DA9215_DEVICE_ID 0x24 |
005547e0 | 27 | |
1028a37d JB |
28 | /* DA9211 REGULATOR IDs */ |
29 | #define DA9211_ID_BUCKA 0 | |
30 | #define DA9211_ID_BUCKB 1 | |
31 | ||
32 | struct da9211 { | |
33 | struct device *dev; | |
34 | struct regmap *regmap; | |
35 | struct da9211_pdata *pdata; | |
36 | struct regulator_dev *rdev[DA9211_MAX_REGULATORS]; | |
37 | int num_regulator; | |
38 | int chip_irq; | |
005547e0 | 39 | int chip_id; |
1028a37d JB |
40 | }; |
41 | ||
42 | static const struct regmap_range_cfg da9211_regmap_range[] = { | |
43 | { | |
44 | .selector_reg = DA9211_REG_PAGE_CON, | |
45 | .selector_mask = DA9211_REG_PAGE_MASK, | |
46 | .selector_shift = DA9211_REG_PAGE_SHIFT, | |
47 | .window_start = 0, | |
48 | .window_len = 256, | |
49 | .range_min = 0, | |
005547e0 | 50 | .range_max = 5*128, |
1028a37d JB |
51 | }, |
52 | }; | |
53 | ||
989e08c3 HYW |
54 | static bool da9211_volatile_reg(struct device *dev, unsigned int reg) |
55 | { | |
56 | switch (reg) { | |
57 | case DA9211_REG_STATUS_A: | |
58 | case DA9211_REG_STATUS_B: | |
59 | case DA9211_REG_EVENT_A: | |
60 | case DA9211_REG_EVENT_B: | |
61 | return true; | |
62 | } | |
63 | return false; | |
64 | } | |
65 | ||
1028a37d JB |
66 | static const struct regmap_config da9211_regmap_config = { |
67 | .reg_bits = 8, | |
68 | .val_bits = 8, | |
005547e0 | 69 | .max_register = 5 * 128, |
989e08c3 HYW |
70 | .volatile_reg = da9211_volatile_reg, |
71 | .cache_type = REGCACHE_RBTREE, | |
1028a37d JB |
72 | .ranges = da9211_regmap_range, |
73 | .num_ranges = ARRAY_SIZE(da9211_regmap_range), | |
74 | }; | |
75 | ||
76 | /* Default limits measured in millivolts and milliamps */ | |
77 | #define DA9211_MIN_MV 300 | |
78 | #define DA9211_MAX_MV 1570 | |
79 | #define DA9211_STEP_MV 10 | |
80 | ||
005547e0 JB |
81 | /* Current limits for DA9211 buck (uA) indices |
82 | * corresponds with register values | |
83 | */ | |
1028a37d JB |
84 | static const int da9211_current_limits[] = { |
85 | 2000000, 2200000, 2400000, 2600000, 2800000, 3000000, 3200000, 3400000, | |
86 | 3600000, 3800000, 4000000, 4200000, 4400000, 4600000, 4800000, 5000000 | |
87 | }; | |
005547e0 JB |
88 | /* Current limits for DA9213 buck (uA) indices |
89 | * corresponds with register values | |
90 | */ | |
91 | static const int da9213_current_limits[] = { | |
92 | 3000000, 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000, | |
93 | 4600000, 4800000, 5000000, 5200000, 5400000, 5600000, 5800000, 6000000 | |
94 | }; | |
7bd39354 JB |
95 | /* Current limits for DA9215 buck (uA) indices |
96 | * corresponds with register values | |
97 | */ | |
98 | static const int da9215_current_limits[] = { | |
99 | 4000000, 4200000, 4400000, 4600000, 4800000, 5000000, 5200000, 5400000, | |
100 | 5600000, 5800000, 6000000, 6200000, 6400000, 6600000, 6800000, 7000000 | |
101 | }; | |
1028a37d | 102 | |
6f1f1a80 AM |
103 | static unsigned int da9211_map_buck_mode(unsigned int mode) |
104 | { | |
105 | switch (mode) { | |
106 | case DA9211_BUCK_MODE_SLEEP: | |
107 | return REGULATOR_MODE_STANDBY; | |
108 | case DA9211_BUCK_MODE_SYNC: | |
109 | return REGULATOR_MODE_FAST; | |
110 | case DA9211_BUCK_MODE_AUTO: | |
111 | return REGULATOR_MODE_NORMAL; | |
112 | default: | |
113 | return REGULATOR_MODE_INVALID; | |
114 | } | |
115 | } | |
116 | ||
1028a37d JB |
117 | static unsigned int da9211_buck_get_mode(struct regulator_dev *rdev) |
118 | { | |
119 | int id = rdev_get_id(rdev); | |
120 | struct da9211 *chip = rdev_get_drvdata(rdev); | |
121 | unsigned int data; | |
122 | int ret, mode = 0; | |
123 | ||
124 | ret = regmap_read(chip->regmap, DA9211_REG_BUCKA_CONF+id, &data); | |
125 | if (ret < 0) | |
126 | return ret; | |
127 | ||
128 | switch (data & 0x03) { | |
129 | case DA9211_BUCK_MODE_SYNC: | |
130 | mode = REGULATOR_MODE_FAST; | |
131 | break; | |
132 | case DA9211_BUCK_MODE_AUTO: | |
133 | mode = REGULATOR_MODE_NORMAL; | |
134 | break; | |
135 | case DA9211_BUCK_MODE_SLEEP: | |
136 | mode = REGULATOR_MODE_STANDBY; | |
137 | break; | |
138 | } | |
139 | ||
140 | return mode; | |
141 | } | |
142 | ||
143 | static int da9211_buck_set_mode(struct regulator_dev *rdev, | |
144 | unsigned int mode) | |
145 | { | |
146 | int id = rdev_get_id(rdev); | |
147 | struct da9211 *chip = rdev_get_drvdata(rdev); | |
148 | int val = 0; | |
149 | ||
150 | switch (mode) { | |
151 | case REGULATOR_MODE_FAST: | |
152 | val = DA9211_BUCK_MODE_SYNC; | |
153 | break; | |
154 | case REGULATOR_MODE_NORMAL: | |
155 | val = DA9211_BUCK_MODE_AUTO; | |
156 | break; | |
157 | case REGULATOR_MODE_STANDBY: | |
158 | val = DA9211_BUCK_MODE_SLEEP; | |
159 | break; | |
160 | } | |
161 | ||
162 | return regmap_update_bits(chip->regmap, DA9211_REG_BUCKA_CONF+id, | |
163 | 0x03, val); | |
164 | } | |
165 | ||
166 | static int da9211_set_current_limit(struct regulator_dev *rdev, int min, | |
167 | int max) | |
168 | { | |
169 | int id = rdev_get_id(rdev); | |
170 | struct da9211 *chip = rdev_get_drvdata(rdev); | |
005547e0 JB |
171 | int i, max_size; |
172 | const int *current_limits; | |
173 | ||
174 | switch (chip->chip_id) { | |
175 | case DA9211: | |
176 | current_limits = da9211_current_limits; | |
177 | max_size = ARRAY_SIZE(da9211_current_limits)-1; | |
178 | break; | |
179 | case DA9213: | |
180 | current_limits = da9213_current_limits; | |
181 | max_size = ARRAY_SIZE(da9213_current_limits)-1; | |
182 | break; | |
7bd39354 JB |
183 | case DA9215: |
184 | current_limits = da9215_current_limits; | |
185 | max_size = ARRAY_SIZE(da9215_current_limits)-1; | |
186 | break; | |
005547e0 JB |
187 | default: |
188 | return -EINVAL; | |
189 | } | |
1028a37d JB |
190 | |
191 | /* search for closest to maximum */ | |
005547e0 JB |
192 | for (i = max_size; i >= 0; i--) { |
193 | if (min <= current_limits[i] && | |
194 | max >= current_limits[i]) { | |
1028a37d JB |
195 | return regmap_update_bits(chip->regmap, |
196 | DA9211_REG_BUCK_ILIM, | |
197 | (0x0F << id*4), (i << id*4)); | |
198 | } | |
199 | } | |
200 | ||
201 | return -EINVAL; | |
202 | } | |
203 | ||
204 | static int da9211_get_current_limit(struct regulator_dev *rdev) | |
205 | { | |
206 | int id = rdev_get_id(rdev); | |
207 | struct da9211 *chip = rdev_get_drvdata(rdev); | |
208 | unsigned int data; | |
209 | int ret; | |
005547e0 JB |
210 | const int *current_limits; |
211 | ||
212 | switch (chip->chip_id) { | |
213 | case DA9211: | |
214 | current_limits = da9211_current_limits; | |
215 | break; | |
216 | case DA9213: | |
217 | current_limits = da9213_current_limits; | |
218 | break; | |
7bd39354 JB |
219 | case DA9215: |
220 | current_limits = da9215_current_limits; | |
221 | break; | |
005547e0 JB |
222 | default: |
223 | return -EINVAL; | |
224 | } | |
1028a37d JB |
225 | |
226 | ret = regmap_read(chip->regmap, DA9211_REG_BUCK_ILIM, &data); | |
227 | if (ret < 0) | |
228 | return ret; | |
229 | ||
005547e0 JB |
230 | /* select one of 16 values: 0000 (2000mA or 3000mA) |
231 | * to 1111 (5000mA or 6000mA). | |
232 | */ | |
1028a37d | 233 | data = (data >> id*4) & 0x0F; |
005547e0 | 234 | return current_limits[data]; |
1028a37d JB |
235 | } |
236 | ||
71242b49 | 237 | static const struct regulator_ops da9211_buck_ops = { |
1028a37d JB |
238 | .get_mode = da9211_buck_get_mode, |
239 | .set_mode = da9211_buck_set_mode, | |
240 | .enable = regulator_enable_regmap, | |
241 | .disable = regulator_disable_regmap, | |
242 | .is_enabled = regulator_is_enabled_regmap, | |
243 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
244 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
245 | .list_voltage = regulator_list_voltage_linear, | |
246 | .set_current_limit = da9211_set_current_limit, | |
247 | .get_current_limit = da9211_get_current_limit, | |
248 | }; | |
249 | ||
250 | #define DA9211_BUCK(_id) \ | |
251 | {\ | |
252 | .name = #_id,\ | |
253 | .ops = &da9211_buck_ops,\ | |
254 | .type = REGULATOR_VOLTAGE,\ | |
255 | .id = DA9211_ID_##_id,\ | |
256 | .n_voltages = (DA9211_MAX_MV - DA9211_MIN_MV) / DA9211_STEP_MV + 1,\ | |
257 | .min_uV = (DA9211_MIN_MV * 1000),\ | |
258 | .uV_step = (DA9211_STEP_MV * 1000),\ | |
259 | .enable_reg = DA9211_REG_BUCKA_CONT + DA9211_ID_##_id,\ | |
260 | .enable_mask = DA9211_BUCKA_EN,\ | |
261 | .vsel_reg = DA9211_REG_VBUCKA_A + DA9211_ID_##_id * 2,\ | |
262 | .vsel_mask = DA9211_VBUCK_MASK,\ | |
263 | .owner = THIS_MODULE,\ | |
6f1f1a80 | 264 | .of_map_mode = da9211_map_buck_mode,\ |
1028a37d JB |
265 | } |
266 | ||
267 | static struct regulator_desc da9211_regulators[] = { | |
268 | DA9211_BUCK(BUCKA), | |
269 | DA9211_BUCK(BUCKB), | |
270 | }; | |
271 | ||
bf3baca6 JB |
272 | #ifdef CONFIG_OF |
273 | static struct of_regulator_match da9211_matches[] = { | |
6f1f1a80 AM |
274 | [DA9211_ID_BUCKA] = { |
275 | .name = "BUCKA", | |
276 | .desc = &da9211_regulators[DA9211_ID_BUCKA], | |
277 | }, | |
278 | [DA9211_ID_BUCKB] = { | |
279 | .name = "BUCKB", | |
280 | .desc = &da9211_regulators[DA9211_ID_BUCKB], | |
281 | }, | |
bf3baca6 JB |
282 | }; |
283 | ||
284 | static struct da9211_pdata *da9211_parse_regulators_dt( | |
285 | struct device *dev) | |
286 | { | |
287 | struct da9211_pdata *pdata; | |
288 | struct device_node *node; | |
289 | int i, num, n; | |
290 | ||
291 | node = of_get_child_by_name(dev->of_node, "regulators"); | |
292 | if (!node) { | |
293 | dev_err(dev, "regulators node not found\n"); | |
294 | return ERR_PTR(-ENODEV); | |
295 | } | |
296 | ||
297 | num = of_regulator_match(dev, node, da9211_matches, | |
298 | ARRAY_SIZE(da9211_matches)); | |
299 | of_node_put(node); | |
300 | if (num < 0) { | |
301 | dev_err(dev, "Failed to match regulators\n"); | |
302 | return ERR_PTR(-EINVAL); | |
303 | } | |
304 | ||
305 | pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); | |
306 | if (!pdata) | |
307 | return ERR_PTR(-ENOMEM); | |
308 | ||
309 | pdata->num_buck = num; | |
310 | ||
311 | n = 0; | |
312 | for (i = 0; i < ARRAY_SIZE(da9211_matches); i++) { | |
313 | if (!da9211_matches[i].init_data) | |
314 | continue; | |
315 | ||
316 | pdata->init_data[n] = da9211_matches[i].init_data; | |
076c3b8e | 317 | pdata->reg_node[n] = da9211_matches[i].of_node; |
61d2fc3c DT |
318 | pdata->gpiod_ren[n] = devm_fwnode_gpiod_get(dev, |
319 | of_fwnode_handle(pdata->reg_node[n]), | |
320 | "enable", | |
321 | GPIOD_OUT_HIGH | | |
322 | GPIOD_FLAGS_BIT_NONEXCLUSIVE, | |
323 | "da9211-enable"); | |
025bf377 WG |
324 | if (IS_ERR(pdata->gpiod_ren[n])) |
325 | pdata->gpiod_ren[n] = NULL; | |
bf3baca6 | 326 | n++; |
c2a946e0 | 327 | } |
bf3baca6 JB |
328 | |
329 | return pdata; | |
330 | } | |
331 | #else | |
332 | static struct da9211_pdata *da9211_parse_regulators_dt( | |
333 | struct device *dev) | |
334 | { | |
335 | return ERR_PTR(-ENODEV); | |
336 | } | |
337 | #endif | |
338 | ||
1028a37d JB |
339 | static irqreturn_t da9211_irq_handler(int irq, void *data) |
340 | { | |
341 | struct da9211 *chip = data; | |
342 | int reg_val, err, ret = IRQ_NONE; | |
343 | ||
344 | err = regmap_read(chip->regmap, DA9211_REG_EVENT_B, ®_val); | |
345 | if (err < 0) | |
346 | goto error_i2c; | |
347 | ||
348 | if (reg_val & DA9211_E_OV_CURR_A) { | |
349 | regulator_notifier_call_chain(chip->rdev[0], | |
a46a0730 | 350 | REGULATOR_EVENT_OVER_CURRENT, NULL); |
1028a37d JB |
351 | |
352 | err = regmap_write(chip->regmap, DA9211_REG_EVENT_B, | |
353 | DA9211_E_OV_CURR_A); | |
354 | if (err < 0) | |
355 | goto error_i2c; | |
356 | ||
357 | ret = IRQ_HANDLED; | |
358 | } | |
359 | ||
360 | if (reg_val & DA9211_E_OV_CURR_B) { | |
361 | regulator_notifier_call_chain(chip->rdev[1], | |
a46a0730 | 362 | REGULATOR_EVENT_OVER_CURRENT, NULL); |
1028a37d JB |
363 | |
364 | err = regmap_write(chip->regmap, DA9211_REG_EVENT_B, | |
365 | DA9211_E_OV_CURR_B); | |
366 | if (err < 0) | |
367 | goto error_i2c; | |
368 | ||
369 | ret = IRQ_HANDLED; | |
370 | } | |
371 | ||
372 | return ret; | |
373 | ||
374 | error_i2c: | |
375 | dev_err(chip->dev, "I2C error : %d\n", err); | |
376 | return IRQ_NONE; | |
377 | } | |
378 | ||
379 | static int da9211_regulator_init(struct da9211 *chip) | |
380 | { | |
381 | struct regulator_config config = { }; | |
382 | int i, ret; | |
383 | unsigned int data; | |
384 | ||
385 | ret = regmap_read(chip->regmap, DA9211_REG_CONFIG_E, &data); | |
386 | if (ret < 0) { | |
767e8aab | 387 | dev_err(chip->dev, "Failed to read CONFIG_E reg: %d\n", ret); |
516c1514 | 388 | return ret; |
1028a37d JB |
389 | } |
390 | ||
391 | data &= DA9211_SLAVE_SEL; | |
392 | /* If configuration for 1/2 bucks is different between platform data | |
393 | * and the register, driver should exit. | |
394 | */ | |
7bd39354 JB |
395 | if (chip->pdata->num_buck == 1 && data == 0x00) |
396 | chip->num_regulator = 1; | |
397 | else if (chip->pdata->num_buck == 2 && data != 0x00) | |
398 | chip->num_regulator = 2; | |
399 | else { | |
1028a37d | 400 | dev_err(chip->dev, "Configuration is mismatched\n"); |
516c1514 | 401 | return -EINVAL; |
1028a37d JB |
402 | } |
403 | ||
404 | for (i = 0; i < chip->num_regulator; i++) { | |
bf3baca6 | 405 | config.init_data = chip->pdata->init_data[i]; |
1028a37d JB |
406 | config.dev = chip->dev; |
407 | config.driver_data = chip; | |
408 | config.regmap = chip->regmap; | |
076c3b8e | 409 | config.of_node = chip->pdata->reg_node[i]; |
1028a37d | 410 | |
11da04af LW |
411 | if (chip->pdata->gpiod_ren[i]) |
412 | config.ena_gpiod = chip->pdata->gpiod_ren[i]; | |
413 | else | |
414 | config.ena_gpiod = NULL; | |
8c7dd8bc | 415 | |
b23328d7 LW |
416 | /* |
417 | * Hand the GPIO descriptor management over to the regulator | |
418 | * core, remove it from GPIO devres management. | |
419 | */ | |
420 | if (config.ena_gpiod) | |
421 | devm_gpiod_unhinge(chip->dev, config.ena_gpiod); | |
1028a37d JB |
422 | chip->rdev[i] = devm_regulator_register(chip->dev, |
423 | &da9211_regulators[i], &config); | |
424 | if (IS_ERR(chip->rdev[i])) { | |
425 | dev_err(chip->dev, | |
426 | "Failed to register DA9211 regulator\n"); | |
516c1514 | 427 | return PTR_ERR(chip->rdev[i]); |
1028a37d JB |
428 | } |
429 | ||
430 | if (chip->chip_irq != 0) { | |
431 | ret = regmap_update_bits(chip->regmap, | |
4e7089f3 | 432 | DA9211_REG_MASK_B, DA9211_M_OV_CURR_A << i, 0); |
1028a37d JB |
433 | if (ret < 0) { |
434 | dev_err(chip->dev, | |
435 | "Failed to update mask reg: %d\n", ret); | |
516c1514 | 436 | return ret; |
1028a37d JB |
437 | } |
438 | } | |
439 | } | |
440 | ||
441 | return 0; | |
1028a37d | 442 | } |
bf3baca6 | 443 | |
1028a37d JB |
444 | /* |
445 | * I2C driver interface functions | |
446 | */ | |
77e29598 | 447 | static int da9211_i2c_probe(struct i2c_client *i2c) |
1028a37d JB |
448 | { |
449 | struct da9211 *chip; | |
450 | int error, ret; | |
005547e0 | 451 | unsigned int data; |
1028a37d JB |
452 | |
453 | chip = devm_kzalloc(&i2c->dev, sizeof(struct da9211), GFP_KERNEL); | |
1d3e6a69 AL |
454 | if (!chip) |
455 | return -ENOMEM; | |
1028a37d JB |
456 | |
457 | chip->dev = &i2c->dev; | |
458 | chip->regmap = devm_regmap_init_i2c(i2c, &da9211_regmap_config); | |
459 | if (IS_ERR(chip->regmap)) { | |
460 | error = PTR_ERR(chip->regmap); | |
005547e0 | 461 | dev_err(chip->dev, "Failed to allocate register map: %d\n", |
1028a37d JB |
462 | error); |
463 | return error; | |
464 | } | |
465 | ||
466 | i2c_set_clientdata(i2c, chip); | |
467 | ||
468 | chip->pdata = i2c->dev.platform_data; | |
005547e0 JB |
469 | |
470 | ret = regmap_read(chip->regmap, DA9211_REG_DEVICE_ID, &data); | |
471 | if (ret < 0) { | |
472 | dev_err(chip->dev, "Failed to read DEVICE_ID reg: %d\n", ret); | |
473 | return ret; | |
474 | } | |
475 | ||
476 | switch (data) { | |
477 | case DA9211_DEVICE_ID: | |
478 | chip->chip_id = DA9211; | |
479 | break; | |
480 | case DA9213_DEVICE_ID: | |
481 | chip->chip_id = DA9213; | |
482 | break; | |
7bd39354 JB |
483 | case DA9215_DEVICE_ID: |
484 | chip->chip_id = DA9215; | |
485 | break; | |
005547e0 JB |
486 | default: |
487 | dev_err(chip->dev, "Unsupported device id = 0x%x.\n", data); | |
1028a37d JB |
488 | return -ENODEV; |
489 | } | |
490 | ||
bf3baca6 JB |
491 | if (!chip->pdata) |
492 | chip->pdata = da9211_parse_regulators_dt(chip->dev); | |
493 | ||
494 | if (IS_ERR(chip->pdata)) { | |
495 | dev_err(chip->dev, "No regulators defined for the platform\n"); | |
496 | return PTR_ERR(chip->pdata); | |
497 | } | |
498 | ||
1028a37d JB |
499 | chip->chip_irq = i2c->irq; |
500 | ||
02228f6a RR |
501 | ret = da9211_regulator_init(chip); |
502 | if (ret < 0) { | |
503 | dev_err(chip->dev, "Failed to initialize regulator: %d\n", ret); | |
504 | return ret; | |
505 | } | |
506 | ||
1028a37d JB |
507 | if (chip->chip_irq != 0) { |
508 | ret = devm_request_threaded_irq(chip->dev, chip->chip_irq, NULL, | |
509 | da9211_irq_handler, | |
510 | IRQF_TRIGGER_LOW|IRQF_ONESHOT, | |
511 | "da9211", chip); | |
512 | if (ret != 0) { | |
513 | dev_err(chip->dev, "Failed to request IRQ: %d\n", | |
514 | chip->chip_irq); | |
515 | return ret; | |
516 | } | |
517 | } else { | |
518 | dev_warn(chip->dev, "No IRQ configured\n"); | |
519 | } | |
520 | ||
1028a37d JB |
521 | return ret; |
522 | } | |
523 | ||
1028a37d | 524 | static const struct i2c_device_id da9211_i2c_id[] = { |
6a52f563 | 525 | {"da9211", DA9211}, |
7524c1ce | 526 | {"da9212", DA9212}, |
6a52f563 | 527 | {"da9213", DA9213}, |
707ce9ea | 528 | {"da9223", DA9223}, |
7524c1ce | 529 | {"da9214", DA9214}, |
707ce9ea | 530 | {"da9224", DA9224}, |
7bd39354 | 531 | {"da9215", DA9215}, |
707ce9ea | 532 | {"da9225", DA9225}, |
1028a37d JB |
533 | {}, |
534 | }; | |
1028a37d JB |
535 | MODULE_DEVICE_TABLE(i2c, da9211_i2c_id); |
536 | ||
6a52f563 AL |
537 | #ifdef CONFIG_OF |
538 | static const struct of_device_id da9211_dt_ids[] = { | |
539 | { .compatible = "dlg,da9211", .data = &da9211_i2c_id[0] }, | |
7524c1ce JB |
540 | { .compatible = "dlg,da9212", .data = &da9211_i2c_id[1] }, |
541 | { .compatible = "dlg,da9213", .data = &da9211_i2c_id[2] }, | |
707ce9ea JB |
542 | { .compatible = "dlg,da9223", .data = &da9211_i2c_id[3] }, |
543 | { .compatible = "dlg,da9214", .data = &da9211_i2c_id[4] }, | |
544 | { .compatible = "dlg,da9224", .data = &da9211_i2c_id[5] }, | |
545 | { .compatible = "dlg,da9215", .data = &da9211_i2c_id[6] }, | |
546 | { .compatible = "dlg,da9225", .data = &da9211_i2c_id[7] }, | |
6a52f563 AL |
547 | {}, |
548 | }; | |
549 | MODULE_DEVICE_TABLE(of, da9211_dt_ids); | |
550 | #endif | |
551 | ||
1028a37d JB |
552 | static struct i2c_driver da9211_regulator_driver = { |
553 | .driver = { | |
554 | .name = "da9211", | |
259b93b2 | 555 | .probe_type = PROBE_PREFER_ASYNCHRONOUS, |
6a52f563 | 556 | .of_match_table = of_match_ptr(da9211_dt_ids), |
1028a37d | 557 | }, |
964e1865 | 558 | .probe = da9211_i2c_probe, |
1028a37d JB |
559 | .id_table = da9211_i2c_id, |
560 | }; | |
561 | ||
562 | module_i2c_driver(da9211_regulator_driver); | |
563 | ||
564 | MODULE_AUTHOR("James Ban <James.Ban.opensource@diasemi.com>"); | |
707ce9ea | 565 | MODULE_DESCRIPTION("DA9211/DA9212/DA9213/DA9223/DA9214/DA9224/DA9215/DA9225 regulator driver"); |
7bd39354 | 566 | MODULE_LICENSE("GPL"); |