1 // SPDX-License-Identifier: GPL-2.0+
2 //
3 // Regulator driver for ATC260x PMICs
4 //
5 // Copyright (C) 2019 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
6 // Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
7
8 #include <linux/mfd/atc260x/core.h>
9 #include <linux/module.h>
10 #include <linux/of_device.h>
11 #include <linux/regmap.h>
12 #include <linux/regulator/driver.h>
13
14 struct atc260x_regulator_data {
15 int voltage_time_dcdc;
16 int voltage_time_ldo;
17 };
18
19 static const struct linear_range atc2603c_dcdc_voltage_ranges[] = {
20 REGULATOR_LINEAR_RANGE(1300000, 0, 13, 50000),
21 REGULATOR_LINEAR_RANGE(1950000, 14, 15, 100000),
22 };
23
24 static const struct linear_range atc2609a_dcdc_voltage_ranges[] = {
25 REGULATOR_LINEAR_RANGE(600000, 0, 127, 6250),
26 REGULATOR_LINEAR_RANGE(1400000, 128, 232, 25000),
27 };
28
29 static const struct linear_range atc2609a_ldo_voltage_ranges0[] = {
30 REGULATOR_LINEAR_RANGE(700000, 0, 15, 100000),
31 REGULATOR_LINEAR_RANGE(2100000, 16, 28, 100000),
32 };
33
34 static const struct linear_range atc2609a_ldo_voltage_ranges1[] = {
35 REGULATOR_LINEAR_RANGE(850000, 0, 15, 100000),
36 REGULATOR_LINEAR_RANGE(2100000, 16, 27, 100000),
37 };
38
39 static const unsigned int atc260x_ldo_voltage_range_sel[] = {
40 0x0, 0x1,
41 };
42
atc260x_dcdc_set_voltage_time_sel(struct regulator_dev * rdev,unsigned int old_selector,unsigned int new_selector)43 static int atc260x_dcdc_set_voltage_time_sel(struct regulator_dev *rdev,
44 unsigned int old_selector,
45 unsigned int new_selector)
46 {
47 struct atc260x_regulator_data *data = rdev_get_drvdata(rdev);
48
49 if (new_selector > old_selector)
50 return data->voltage_time_dcdc;
51
52 return 0;
53 }
54
atc260x_ldo_set_voltage_time_sel(struct regulator_dev * rdev,unsigned int old_selector,unsigned int new_selector)55 static int atc260x_ldo_set_voltage_time_sel(struct regulator_dev *rdev,
56 unsigned int old_selector,
57 unsigned int new_selector)
58 {
59 struct atc260x_regulator_data *data = rdev_get_drvdata(rdev);
60
61 if (new_selector > old_selector)
62 return data->voltage_time_ldo;
63
64 return 0;
65 }
66
67 static const struct regulator_ops atc260x_dcdc_ops = {
68 .enable = regulator_enable_regmap,
69 .disable = regulator_disable_regmap,
70 .is_enabled = regulator_is_enabled_regmap,
71 .list_voltage = regulator_list_voltage_linear,
72 .set_voltage_sel = regulator_set_voltage_sel_regmap,
73 .get_voltage_sel = regulator_get_voltage_sel_regmap,
74 .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel,
75 };
76
77 static const struct regulator_ops atc260x_ldo_ops = {
78 .enable = regulator_enable_regmap,
79 .disable = regulator_disable_regmap,
80 .is_enabled = regulator_is_enabled_regmap,
81 .list_voltage = regulator_list_voltage_linear,
82 .set_voltage_sel = regulator_set_voltage_sel_regmap,
83 .get_voltage_sel = regulator_get_voltage_sel_regmap,
84 .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
85 };
86
87 static const struct regulator_ops atc260x_ldo_bypass_ops = {
88 .enable = regulator_enable_regmap,
89 .disable = regulator_disable_regmap,
90 .is_enabled = regulator_is_enabled_regmap,
91 .list_voltage = regulator_list_voltage_linear,
92 .set_voltage_sel = regulator_set_voltage_sel_regmap,
93 .get_voltage_sel = regulator_get_voltage_sel_regmap,
94 .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
95 .set_bypass = regulator_set_bypass_regmap,
96 .get_bypass = regulator_get_bypass_regmap,
97 };
98
99 static const struct regulator_ops atc260x_ldo_bypass_discharge_ops = {
100 .enable = regulator_enable_regmap,
101 .disable = regulator_disable_regmap,
102 .is_enabled = regulator_is_enabled_regmap,
103 .list_voltage = regulator_list_voltage_linear,
104 .set_voltage_sel = regulator_set_voltage_sel_regmap,
105 .get_voltage_sel = regulator_get_voltage_sel_regmap,
106 .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
107 .set_bypass = regulator_set_bypass_regmap,
108 .get_bypass = regulator_get_bypass_regmap,
109 .set_active_discharge = regulator_set_active_discharge_regmap,
110 };
111
112 static const struct regulator_ops atc260x_dcdc_range_ops = {
113 .enable = regulator_enable_regmap,
114 .disable = regulator_disable_regmap,
115 .is_enabled = regulator_is_enabled_regmap,
116 .list_voltage = regulator_list_voltage_linear_range,
117 .set_voltage_sel = regulator_set_voltage_sel_regmap,
118 .get_voltage_sel = regulator_get_voltage_sel_regmap,
119 .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel,
120 };
121
122 static const struct regulator_ops atc260x_ldo_range_pick_ops = {
123 .enable = regulator_enable_regmap,
124 .disable = regulator_disable_regmap,
125 .is_enabled = regulator_is_enabled_regmap,
126 .list_voltage = regulator_list_voltage_pickable_linear_range,
127 .set_voltage_sel = regulator_set_voltage_sel_pickable_regmap,
128 .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
129 .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
130 };
131
132 static const struct regulator_ops atc260x_dcdc_fixed_ops = {
133 .list_voltage = regulator_list_voltage_linear,
134 .set_voltage_sel = regulator_set_voltage_sel_regmap,
135 .get_voltage_sel = regulator_get_voltage_sel_regmap,
136 .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel,
137 };
138
139 static const struct regulator_ops atc260x_ldo_fixed_ops = {
140 .list_voltage = regulator_list_voltage_linear,
141 .set_voltage_sel = regulator_set_voltage_sel_regmap,
142 .get_voltage_sel = regulator_get_voltage_sel_regmap,
143 .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
144 };
145
146 static const struct regulator_ops atc260x_no_ops = {
147 };
148
149 /*
150 * Note LDO8 is not documented in datasheet (v2.4), but supported
151 * in the vendor's driver implementation (xapp-le-kernel).
152 */
153 enum atc2603c_reg_ids {
154 ATC2603C_ID_DCDC1,
155 ATC2603C_ID_DCDC2,
156 ATC2603C_ID_DCDC3,
157 ATC2603C_ID_LDO1,
158 ATC2603C_ID_LDO2,
159 ATC2603C_ID_LDO3,
160 ATC2603C_ID_LDO5,
161 ATC2603C_ID_LDO6,
162 ATC2603C_ID_LDO7,
163 ATC2603C_ID_LDO8,
164 ATC2603C_ID_LDO11,
165 ATC2603C_ID_LDO12,
166 ATC2603C_ID_SWITCHLDO1,
167 ATC2603C_ID_MAX,
168 };
169
170 #define atc2603c_reg_desc_dcdc(num, min, step, n_volt, vsel_h, vsel_l) { \
171 .name = "DCDC"#num, \
172 .supply_name = "dcdc"#num, \
173 .of_match = of_match_ptr("dcdc"#num), \
174 .regulators_node = of_match_ptr("regulators"), \
175 .id = ATC2603C_ID_DCDC##num, \
176 .ops = &atc260x_dcdc_ops, \
177 .type = REGULATOR_VOLTAGE, \
178 .min_uV = min, \
179 .uV_step = step, \
180 .n_voltages = n_volt, \
181 .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \
182 .vsel_mask = GENMASK(vsel_h, vsel_l), \
183 .enable_reg = ATC2603C_PMU_DC##num##_CTL0, \
184 .enable_mask = BIT(15), \
185 .enable_time = 800, \
186 .owner = THIS_MODULE, \
187 }
188
189 #define atc2603c_reg_desc_dcdc_range(num, vsel_h, vsel_l) { \
190 .name = "DCDC"#num, \
191 .supply_name = "dcdc"#num, \
192 .of_match = of_match_ptr("dcdc"#num), \
193 .regulators_node = of_match_ptr("regulators"), \
194 .id = ATC2603C_ID_DCDC##num, \
195 .ops = &atc260x_dcdc_range_ops, \
196 .type = REGULATOR_VOLTAGE, \
197 .n_voltages = 16, \
198 .linear_ranges = atc2603c_dcdc_voltage_ranges, \
199 .n_linear_ranges = ARRAY_SIZE(atc2603c_dcdc_voltage_ranges), \
200 .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \
201 .vsel_mask = GENMASK(vsel_h, vsel_l), \
202 .enable_reg = ATC2603C_PMU_DC##num##_CTL0, \
203 .enable_mask = BIT(15), \
204 .enable_time = 800, \
205 .owner = THIS_MODULE, \
206 }
207
208 #define atc2603c_reg_desc_dcdc_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \
209 .name = "DCDC"#num, \
210 .supply_name = "dcdc"#num, \
211 .of_match = of_match_ptr("dcdc"#num), \
212 .regulators_node = of_match_ptr("regulators"), \
213 .id = ATC2603C_ID_DCDC##num, \
214 .ops = &atc260x_dcdc_fixed_ops, \
215 .type = REGULATOR_VOLTAGE, \
216 .min_uV = min, \
217 .uV_step = step, \
218 .n_voltages = n_volt, \
219 .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \
220 .vsel_mask = GENMASK(vsel_h, vsel_l), \
221 .enable_time = 800, \
222 .owner = THIS_MODULE, \
223 }
224
225 #define atc2603c_reg_desc_ldo(num, min, step, n_volt, vsel_h, vsel_l) { \
226 .name = "LDO"#num, \
227 .supply_name = "ldo"#num, \
228 .of_match = of_match_ptr("ldo"#num), \
229 .regulators_node = of_match_ptr("regulators"), \
230 .id = ATC2603C_ID_LDO##num, \
231 .ops = &atc260x_ldo_ops, \
232 .type = REGULATOR_VOLTAGE, \
233 .min_uV = min, \
234 .uV_step = step, \
235 .n_voltages = n_volt, \
236 .vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \
237 .vsel_mask = GENMASK(vsel_h, vsel_l), \
238 .enable_reg = ATC2603C_PMU_LDO##num##_CTL, \
239 .enable_mask = BIT(0), \
240 .enable_time = 2000, \
241 .owner = THIS_MODULE, \
242 }
243
244 #define atc2603c_reg_desc_ldo_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \
245 .name = "LDO"#num, \
246 .supply_name = "ldo"#num, \
247 .of_match = of_match_ptr("ldo"#num), \
248 .regulators_node = of_match_ptr("regulators"), \
249 .id = ATC2603C_ID_LDO##num, \
250 .ops = &atc260x_ldo_fixed_ops, \
251 .type = REGULATOR_VOLTAGE, \
252 .min_uV = min, \
253 .uV_step = step, \
254 .n_voltages = n_volt, \
255 .vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \
256 .vsel_mask = GENMASK(vsel_h, vsel_l), \
257 .enable_time = 2000, \
258 .owner = THIS_MODULE, \
259 }
260
261 #define atc2603c_reg_desc_ldo_noops(num, vfixed) { \
262 .name = "LDO"#num, \
263 .supply_name = "ldo"#num, \
264 .of_match = of_match_ptr("ldo"#num), \
265 .regulators_node = of_match_ptr("regulators"), \
266 .id = ATC2603C_ID_LDO##num, \
267 .ops = &atc260x_no_ops, \
268 .type = REGULATOR_VOLTAGE, \
269 .fixed_uV = vfixed, \
270 .n_voltages = 1, \
271 .owner = THIS_MODULE, \
272 }
273
274 #define atc2603c_reg_desc_ldo_switch(num, min, step, n_volt, vsel_h, vsel_l) { \
275 .name = "SWITCHLDO"#num, \
276 .supply_name = "switchldo"#num, \
277 .of_match = of_match_ptr("switchldo"#num), \
278 .regulators_node = of_match_ptr("regulators"), \
279 .id = ATC2603C_ID_SWITCHLDO##num, \
280 .ops = &atc260x_ldo_bypass_discharge_ops, \
281 .type = REGULATOR_VOLTAGE, \
282 .min_uV = min, \
283 .uV_step = step, \
284 .n_voltages = n_volt, \
285 .vsel_reg = ATC2603C_PMU_SWITCH_CTL, \
286 .vsel_mask = GENMASK(vsel_h, vsel_l), \
287 .enable_reg = ATC2603C_PMU_SWITCH_CTL, \
288 .enable_mask = BIT(15), \
289 .enable_is_inverted = true, \
290 .enable_time = 2000, \
291 .bypass_reg = ATC2603C_PMU_SWITCH_CTL, \
292 .bypass_mask = BIT(5), \
293 .active_discharge_reg = ATC2603C_PMU_SWITCH_CTL, \
294 .active_discharge_mask = BIT(1), \
295 .owner = THIS_MODULE, \
296 }
297
298 static const struct regulator_desc atc2603c_reg[] = {
299 atc2603c_reg_desc_dcdc_fixed(1, 700000, 25000, 29, 11, 7),
300 atc2603c_reg_desc_dcdc_range(2, 12, 8),
301 atc2603c_reg_desc_dcdc_fixed(3, 2600000, 100000, 8, 11, 9),
302 atc2603c_reg_desc_ldo_fixed(1, 2600000, 100000, 8, 15, 13),
303 atc2603c_reg_desc_ldo_fixed(2, 2600000, 100000, 8, 15, 13),
304 atc2603c_reg_desc_ldo_fixed(3, 1500000, 100000, 6, 15, 13),
305 atc2603c_reg_desc_ldo(5, 2600000, 100000, 8, 15, 13),
306 atc2603c_reg_desc_ldo_fixed(6, 700000, 25000, 29, 15, 11),
307 atc2603c_reg_desc_ldo(7, 1500000, 100000, 6, 15, 13),
308 atc2603c_reg_desc_ldo(8, 2300000, 100000, 11, 15, 12),
309 atc2603c_reg_desc_ldo_fixed(11, 2600000, 100000, 8, 15, 13),
310 atc2603c_reg_desc_ldo_noops(12, 1800000),
311 atc2603c_reg_desc_ldo_switch(1, 3000000, 100000, 4, 4, 3),
312 };
313
314 static const struct regulator_desc atc2603c_reg_dcdc2_ver_b =
315 atc2603c_reg_desc_dcdc(2, 1000000, 50000, 18, 12, 8);
316
317 enum atc2609a_reg_ids {
318 ATC2609A_ID_DCDC0,
319 ATC2609A_ID_DCDC1,
320 ATC2609A_ID_DCDC2,
321 ATC2609A_ID_DCDC3,
322 ATC2609A_ID_DCDC4,
323 ATC2609A_ID_LDO0,
324 ATC2609A_ID_LDO1,
325 ATC2609A_ID_LDO2,
326 ATC2609A_ID_LDO3,
327 ATC2609A_ID_LDO4,
328 ATC2609A_ID_LDO5,
329 ATC2609A_ID_LDO6,
330 ATC2609A_ID_LDO7,
331 ATC2609A_ID_LDO8,
332 ATC2609A_ID_LDO9,
333 ATC2609A_ID_MAX,
334 };
335
336 #define atc2609a_reg_desc_dcdc(num, en_bit) { \
337 .name = "DCDC"#num, \
338 .supply_name = "dcdc"#num, \
339 .of_match = of_match_ptr("dcdc"#num), \
340 .regulators_node = of_match_ptr("regulators"), \
341 .id = ATC2609A_ID_DCDC##num, \
342 .ops = &atc260x_dcdc_ops, \
343 .type = REGULATOR_VOLTAGE, \
344 .min_uV = 600000, \
345 .uV_step = 6250, \
346 .n_voltages = 256, \
347 .vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \
348 .vsel_mask = GENMASK(15, 8), \
349 .enable_reg = ATC2609A_PMU_DC_OSC, \
350 .enable_mask = BIT(en_bit), \
351 .enable_time = 800, \
352 .owner = THIS_MODULE, \
353 }
354
355 #define atc2609a_reg_desc_dcdc_range(num, en_bit) { \
356 .name = "DCDC"#num, \
357 .supply_name = "dcdc"#num, \
358 .of_match = of_match_ptr("dcdc"#num), \
359 .regulators_node = of_match_ptr("regulators"), \
360 .id = ATC2609A_ID_DCDC##num, \
361 .ops = &atc260x_dcdc_range_ops, \
362 .type = REGULATOR_VOLTAGE, \
363 .n_voltages = 233, \
364 .linear_ranges = atc2609a_dcdc_voltage_ranges, \
365 .n_linear_ranges = ARRAY_SIZE(atc2609a_dcdc_voltage_ranges), \
366 .vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \
367 .vsel_mask = GENMASK(15, 8), \
368 .enable_reg = ATC2609A_PMU_DC_OSC, \
369 .enable_mask = BIT(en_bit), \
370 .enable_time = 800, \
371 .owner = THIS_MODULE, \
372 }
373
374 #define atc2609a_reg_desc_ldo(num) { \
375 .name = "LDO"#num, \
376 .supply_name = "ldo"#num, \
377 .of_match = of_match_ptr("ldo"#num), \
378 .regulators_node = of_match_ptr("regulators"), \
379 .id = ATC2609A_ID_LDO##num, \
380 .ops = &atc260x_ldo_ops, \
381 .type = REGULATOR_VOLTAGE, \
382 .min_uV = 700000, \
383 .uV_step = 100000, \
384 .n_voltages = 16, \
385 .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \
386 .vsel_mask = GENMASK(4, 1), \
387 .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \
388 .enable_mask = BIT(0), \
389 .enable_time = 2000, \
390 .owner = THIS_MODULE, \
391 }
392
393 #define atc2609a_reg_desc_ldo_bypass(num) { \
394 .name = "LDO"#num, \
395 .supply_name = "ldo"#num, \
396 .of_match = of_match_ptr("ldo"#num), \
397 .regulators_node = of_match_ptr("regulators"), \
398 .id = ATC2609A_ID_LDO##num, \
399 .ops = &atc260x_ldo_bypass_ops, \
400 .type = REGULATOR_VOLTAGE, \
401 .min_uV = 2300000, \
402 .uV_step = 100000, \
403 .n_voltages = 12, \
404 .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \
405 .vsel_mask = GENMASK(5, 2), \
406 .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \
407 .enable_mask = BIT(0), \
408 .enable_time = 2000, \
409 .bypass_reg = ATC2609A_PMU_LDO##num##_CTL0, \
410 .bypass_mask = BIT(1), \
411 .owner = THIS_MODULE, \
412 }
413
414 #define atc2609a_reg_desc_ldo_range_pick(num, n_range) { \
415 .name = "LDO"#num, \
416 .supply_name = "ldo"#num, \
417 .of_match = of_match_ptr("ldo"#num), \
418 .regulators_node = of_match_ptr("regulators"), \
419 .id = ATC2609A_ID_LDO##num, \
420 .ops = &atc260x_ldo_range_pick_ops, \
421 .type = REGULATOR_VOLTAGE, \
422 .linear_ranges = atc2609a_ldo_voltage_ranges##n_range, \
423 .n_linear_ranges = ARRAY_SIZE(atc2609a_ldo_voltage_ranges##n_range), \
424 .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \
425 .vsel_mask = GENMASK(4, 1), \
426 .vsel_range_reg = ATC2609A_PMU_LDO##num##_CTL0, \
427 .vsel_range_mask = BIT(5), \
428 .linear_range_selectors = atc260x_ldo_voltage_range_sel, \
429 .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \
430 .enable_mask = BIT(0), \
431 .enable_time = 2000, \
432 .owner = THIS_MODULE, \
433 }
434
435 #define atc2609a_reg_desc_ldo_fixed(num) { \
436 .name = "LDO"#num, \
437 .supply_name = "ldo"#num, \
438 .of_match = of_match_ptr("ldo"#num), \
439 .regulators_node = of_match_ptr("regulators"), \
440 .id = ATC2609A_ID_LDO##num, \
441 .ops = &atc260x_ldo_fixed_ops, \
442 .type = REGULATOR_VOLTAGE, \
443 .min_uV = 2600000, \
444 .uV_step = 100000, \
445 .n_voltages = 8, \
446 .vsel_reg = ATC2609A_PMU_LDO##num##_CTL, \
447 .vsel_mask = GENMASK(15, 13), \
448 .enable_time = 2000, \
449 .owner = THIS_MODULE, \
450 }
451
452 static const struct regulator_desc atc2609a_reg[] = {
453 atc2609a_reg_desc_dcdc(0, 4),
454 atc2609a_reg_desc_dcdc(1, 5),
455 atc2609a_reg_desc_dcdc(2, 6),
456 atc2609a_reg_desc_dcdc_range(3, 7),
457 atc2609a_reg_desc_dcdc(4, 8),
458 atc2609a_reg_desc_ldo_bypass(0),
459 atc2609a_reg_desc_ldo_bypass(1),
460 atc2609a_reg_desc_ldo_bypass(2),
461 atc2609a_reg_desc_ldo_range_pick(3, 0),
462 atc2609a_reg_desc_ldo_range_pick(4, 0),
463 atc2609a_reg_desc_ldo(5),
464 atc2609a_reg_desc_ldo_range_pick(6, 1),
465 atc2609a_reg_desc_ldo_range_pick(7, 0),
466 atc2609a_reg_desc_ldo_range_pick(8, 0),
467 atc2609a_reg_desc_ldo_fixed(9),
468 };
469
atc260x_regulator_probe(struct platform_device * pdev)470 static int atc260x_regulator_probe(struct platform_device *pdev)
471 {
472 struct atc260x *atc260x = dev_get_drvdata(pdev->dev.parent);
473 struct device *dev = atc260x->dev;
474 struct atc260x_regulator_data *atc260x_data;
475 struct regulator_config config = {};
476 struct regulator_dev *atc260x_rdev;
477 const struct regulator_desc *regulators;
478 bool atc2603c_ver_b = false;
479 int i, nregulators;
480
481 atc260x_data = devm_kzalloc(&pdev->dev, sizeof(*atc260x_data), GFP_KERNEL);
482 if (!atc260x_data)
483 return -ENOMEM;
484
485 atc260x_data->voltage_time_dcdc = 350;
486 atc260x_data->voltage_time_ldo = 800;
487
488 switch (atc260x->ic_type) {
489 case ATC2603C:
490 regulators = atc2603c_reg;
491 nregulators = ATC2603C_ID_MAX;
492 atc2603c_ver_b = atc260x->ic_ver == ATC260X_B;
493 break;
494 case ATC2609A:
495 atc260x_data->voltage_time_dcdc = 250;
496 regulators = atc2609a_reg;
497 nregulators = ATC2609A_ID_MAX;
498 break;
499 default:
500 dev_err(dev, "unsupported ATC260X ID %d\n", atc260x->ic_type);
501 return -EINVAL;
502 }
503
504 config.dev = dev;
505 config.regmap = atc260x->regmap;
506 config.driver_data = atc260x_data;
507
508 /* Instantiate the regulators */
509 for (i = 0; i < nregulators; i++) {
510 if (atc2603c_ver_b && regulators[i].id == ATC2603C_ID_DCDC2)
511 atc260x_rdev = devm_regulator_register(&pdev->dev,
512 &atc2603c_reg_dcdc2_ver_b,
513 &config);
514 else
515 atc260x_rdev = devm_regulator_register(&pdev->dev,
516 ®ulators[i],
517 &config);
518 if (IS_ERR(atc260x_rdev)) {
519 dev_err(dev, "failed to register regulator: %d\n", i);
520 return PTR_ERR(atc260x_rdev);
521 }
522 }
523
524 return 0;
525 }
526
527 static struct platform_driver atc260x_regulator_driver = {
528 .probe = atc260x_regulator_probe,
529 .driver = {
530 .name = "atc260x-regulator",
531 },
532 };
533
534 module_platform_driver(atc260x_regulator_driver);
535
536 MODULE_DESCRIPTION("Regulator driver for ATC260x PMICs");
537 MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
538 MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@gmail.com>");
539 MODULE_LICENSE("GPL");
540