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4068e518 | 1 | /* |
4b7f4958 ST |
2 | * Regulator device driver for DA9061 and DA9062. |
3 | * Copyright (C) 2015-2017 Dialog Semiconductor | |
4068e518 T |
4 | * |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | */ | |
15 | #include <linux/kernel.h> | |
16 | #include <linux/module.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/err.h> | |
19 | #include <linux/slab.h> | |
20 | #include <linux/of.h> | |
21 | #include <linux/platform_device.h> | |
22 | #include <linux/regmap.h> | |
23 | #include <linux/regulator/driver.h> | |
24 | #include <linux/regulator/machine.h> | |
25 | #include <linux/regulator/of_regulator.h> | |
26 | #include <linux/mfd/da9062/core.h> | |
27 | #include <linux/mfd/da9062/registers.h> | |
28 | ||
29 | /* Regulator IDs */ | |
4b7f4958 ST |
30 | enum { |
31 | DA9061_ID_BUCK1, | |
32 | DA9061_ID_BUCK2, | |
33 | DA9061_ID_BUCK3, | |
34 | DA9061_ID_LDO1, | |
35 | DA9061_ID_LDO2, | |
36 | DA9061_ID_LDO3, | |
37 | DA9061_ID_LDO4, | |
38 | DA9061_MAX_REGULATORS, | |
39 | }; | |
40 | ||
4068e518 T |
41 | enum { |
42 | DA9062_ID_BUCK1, | |
43 | DA9062_ID_BUCK2, | |
44 | DA9062_ID_BUCK3, | |
45 | DA9062_ID_BUCK4, | |
46 | DA9062_ID_LDO1, | |
47 | DA9062_ID_LDO2, | |
48 | DA9062_ID_LDO3, | |
49 | DA9062_ID_LDO4, | |
50 | DA9062_MAX_REGULATORS, | |
51 | }; | |
52 | ||
53 | /* Regulator capabilities and registers description */ | |
54 | struct da9062_regulator_info { | |
55 | struct regulator_desc desc; | |
56 | /* Current limiting */ | |
57 | unsigned int n_current_limits; | |
58 | const int *current_limits; | |
59 | /* Main register fields */ | |
60 | struct reg_field mode; | |
61 | struct reg_field suspend; | |
62 | struct reg_field sleep; | |
63 | struct reg_field suspend_sleep; | |
64 | unsigned int suspend_vsel_reg; | |
65 | struct reg_field ilimit; | |
66 | /* Event detection bit */ | |
67 | struct reg_field oc_event; | |
68 | }; | |
69 | ||
70 | /* Single regulator settings */ | |
71 | struct da9062_regulator { | |
72 | struct regulator_desc desc; | |
73 | struct regulator_dev *rdev; | |
74 | struct da9062 *hw; | |
75 | const struct da9062_regulator_info *info; | |
76 | ||
77 | struct regmap_field *mode; | |
78 | struct regmap_field *suspend; | |
79 | struct regmap_field *sleep; | |
80 | struct regmap_field *suspend_sleep; | |
81 | struct regmap_field *ilimit; | |
82 | }; | |
83 | ||
84 | /* Encapsulates all information for the regulators driver */ | |
85 | struct da9062_regulators { | |
86 | int irq_ldo_lim; | |
87 | unsigned n_regulators; | |
88 | /* Array size to be defined during init. Keep at end. */ | |
89 | struct da9062_regulator regulator[0]; | |
90 | }; | |
91 | ||
92 | /* BUCK modes */ | |
93 | enum { | |
94 | BUCK_MODE_MANUAL, /* 0 */ | |
95 | BUCK_MODE_SLEEP, /* 1 */ | |
96 | BUCK_MODE_SYNC, /* 2 */ | |
97 | BUCK_MODE_AUTO /* 3 */ | |
98 | }; | |
99 | ||
100 | /* Regulator operations */ | |
101 | ||
4b7f4958 ST |
102 | /* Current limits array (in uA) |
103 | * - DA9061_ID_[BUCK1|BUCK3] | |
104 | * - DA9062_ID_[BUCK1|BUCK2|BUCK4] | |
105 | * Entry indexes corresponds to register values. | |
106 | */ | |
4068e518 T |
107 | static const int da9062_buck_a_limits[] = { |
108 | 500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000, | |
109 | 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000 | |
110 | }; | |
111 | ||
4b7f4958 ST |
112 | /* Current limits array (in uA) |
113 | * - DA9061_ID_BUCK2 | |
114 | * - DA9062_ID_BUCK3 | |
115 | * Entry indexes corresponds to register values. | |
116 | */ | |
4068e518 T |
117 | static const int da9062_buck_b_limits[] = { |
118 | 1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000, | |
119 | 2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000 | |
120 | }; | |
121 | ||
122 | static int da9062_set_current_limit(struct regulator_dev *rdev, | |
123 | int min_ua, int max_ua) | |
124 | { | |
125 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
126 | const struct da9062_regulator_info *rinfo = regl->info; | |
127 | int n, tval; | |
128 | ||
129 | for (n = 0; n < rinfo->n_current_limits; n++) { | |
130 | tval = rinfo->current_limits[n]; | |
131 | if (tval >= min_ua && tval <= max_ua) | |
132 | return regmap_field_write(regl->ilimit, n); | |
133 | } | |
134 | ||
135 | return -EINVAL; | |
136 | } | |
137 | ||
138 | static int da9062_get_current_limit(struct regulator_dev *rdev) | |
139 | { | |
140 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
141 | const struct da9062_regulator_info *rinfo = regl->info; | |
142 | unsigned int sel; | |
143 | int ret; | |
144 | ||
145 | ret = regmap_field_read(regl->ilimit, &sel); | |
146 | if (ret < 0) | |
147 | return ret; | |
148 | ||
149 | if (sel >= rinfo->n_current_limits) | |
150 | sel = rinfo->n_current_limits - 1; | |
151 | ||
152 | return rinfo->current_limits[sel]; | |
153 | } | |
154 | ||
155 | static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode) | |
156 | { | |
157 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
158 | unsigned val; | |
159 | ||
160 | switch (mode) { | |
161 | case REGULATOR_MODE_FAST: | |
162 | val = BUCK_MODE_SYNC; | |
163 | break; | |
164 | case REGULATOR_MODE_NORMAL: | |
165 | val = BUCK_MODE_AUTO; | |
166 | break; | |
167 | case REGULATOR_MODE_STANDBY: | |
168 | val = BUCK_MODE_SLEEP; | |
169 | break; | |
170 | default: | |
171 | return -EINVAL; | |
172 | } | |
173 | ||
174 | return regmap_field_write(regl->mode, val); | |
175 | } | |
176 | ||
177 | /* | |
178 | * Bucks use single mode register field for normal operation | |
179 | * and suspend state. | |
180 | * There are 3 modes to map to: FAST, NORMAL, and STANDBY. | |
181 | */ | |
182 | ||
183 | static unsigned da9062_buck_get_mode(struct regulator_dev *rdev) | |
184 | { | |
185 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
186 | struct regmap_field *field; | |
187 | unsigned int val, mode = 0; | |
188 | int ret; | |
189 | ||
190 | ret = regmap_field_read(regl->mode, &val); | |
191 | if (ret < 0) | |
192 | return ret; | |
193 | ||
194 | switch (val) { | |
195 | default: | |
196 | case BUCK_MODE_MANUAL: | |
197 | mode = REGULATOR_MODE_FAST | REGULATOR_MODE_STANDBY; | |
198 | /* Sleep flag bit decides the mode */ | |
199 | break; | |
200 | case BUCK_MODE_SLEEP: | |
201 | return REGULATOR_MODE_STANDBY; | |
202 | case BUCK_MODE_SYNC: | |
203 | return REGULATOR_MODE_FAST; | |
204 | case BUCK_MODE_AUTO: | |
205 | return REGULATOR_MODE_NORMAL; | |
206 | } | |
207 | ||
208 | /* Detect current regulator state */ | |
209 | ret = regmap_field_read(regl->suspend, &val); | |
210 | if (ret < 0) | |
211 | return 0; | |
212 | ||
213 | /* Read regulator mode from proper register, depending on state */ | |
214 | if (val) | |
215 | field = regl->suspend_sleep; | |
216 | else | |
217 | field = regl->sleep; | |
218 | ||
219 | ret = regmap_field_read(field, &val); | |
220 | if (ret < 0) | |
221 | return 0; | |
222 | ||
223 | if (val) | |
224 | mode &= REGULATOR_MODE_STANDBY; | |
225 | else | |
226 | mode &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_FAST; | |
227 | ||
228 | return mode; | |
229 | } | |
230 | ||
231 | /* | |
232 | * LDOs use sleep flags - one for normal and one for suspend state. | |
233 | * There are 2 modes to map to: NORMAL and STANDBY (sleep) for each state. | |
234 | */ | |
235 | ||
236 | static int da9062_ldo_set_mode(struct regulator_dev *rdev, unsigned mode) | |
237 | { | |
238 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
239 | unsigned val; | |
240 | ||
241 | switch (mode) { | |
242 | case REGULATOR_MODE_NORMAL: | |
243 | val = 0; | |
244 | break; | |
245 | case REGULATOR_MODE_STANDBY: | |
246 | val = 1; | |
247 | break; | |
248 | default: | |
249 | return -EINVAL; | |
250 | } | |
251 | ||
252 | return regmap_field_write(regl->sleep, val); | |
253 | } | |
254 | ||
255 | static unsigned da9062_ldo_get_mode(struct regulator_dev *rdev) | |
256 | { | |
257 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
258 | struct regmap_field *field; | |
259 | int ret, val; | |
260 | ||
261 | /* Detect current regulator state */ | |
262 | ret = regmap_field_read(regl->suspend, &val); | |
263 | if (ret < 0) | |
264 | return 0; | |
265 | ||
266 | /* Read regulator mode from proper register, depending on state */ | |
267 | if (val) | |
268 | field = regl->suspend_sleep; | |
269 | else | |
270 | field = regl->sleep; | |
271 | ||
272 | ret = regmap_field_read(field, &val); | |
273 | if (ret < 0) | |
274 | return 0; | |
275 | ||
276 | if (val) | |
277 | return REGULATOR_MODE_STANDBY; | |
278 | else | |
279 | return REGULATOR_MODE_NORMAL; | |
280 | } | |
281 | ||
282 | static int da9062_buck_get_status(struct regulator_dev *rdev) | |
283 | { | |
284 | int ret = regulator_is_enabled_regmap(rdev); | |
285 | ||
286 | if (ret == 0) { | |
287 | ret = REGULATOR_STATUS_OFF; | |
288 | } else if (ret > 0) { | |
289 | ret = da9062_buck_get_mode(rdev); | |
290 | if (ret > 0) | |
291 | ret = regulator_mode_to_status(ret); | |
292 | else if (ret == 0) | |
293 | ret = -EIO; | |
294 | } | |
295 | ||
296 | return ret; | |
297 | } | |
298 | ||
299 | static int da9062_ldo_get_status(struct regulator_dev *rdev) | |
300 | { | |
301 | int ret = regulator_is_enabled_regmap(rdev); | |
302 | ||
303 | if (ret == 0) { | |
304 | ret = REGULATOR_STATUS_OFF; | |
305 | } else if (ret > 0) { | |
306 | ret = da9062_ldo_get_mode(rdev); | |
307 | if (ret > 0) | |
308 | ret = regulator_mode_to_status(ret); | |
309 | else if (ret == 0) | |
310 | ret = -EIO; | |
311 | } | |
312 | ||
313 | return ret; | |
314 | } | |
315 | ||
316 | static int da9062_set_suspend_voltage(struct regulator_dev *rdev, int uv) | |
317 | { | |
318 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
319 | const struct da9062_regulator_info *rinfo = regl->info; | |
320 | int ret, sel; | |
321 | ||
322 | sel = regulator_map_voltage_linear(rdev, uv, uv); | |
323 | if (sel < 0) | |
324 | return sel; | |
325 | ||
326 | sel <<= ffs(rdev->desc->vsel_mask) - 1; | |
327 | ||
328 | ret = regmap_update_bits(regl->hw->regmap, rinfo->suspend_vsel_reg, | |
329 | rdev->desc->vsel_mask, sel); | |
330 | ||
331 | return ret; | |
332 | } | |
333 | ||
334 | static int da9062_suspend_enable(struct regulator_dev *rdev) | |
335 | { | |
336 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
337 | ||
338 | return regmap_field_write(regl->suspend, 1); | |
339 | } | |
340 | ||
341 | static int da9062_suspend_disable(struct regulator_dev *rdev) | |
342 | { | |
343 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
344 | ||
345 | return regmap_field_write(regl->suspend, 0); | |
346 | } | |
347 | ||
348 | static int da9062_buck_set_suspend_mode(struct regulator_dev *rdev, | |
349 | unsigned mode) | |
350 | { | |
351 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
352 | int val; | |
353 | ||
354 | switch (mode) { | |
355 | case REGULATOR_MODE_FAST: | |
356 | val = BUCK_MODE_SYNC; | |
357 | break; | |
358 | case REGULATOR_MODE_NORMAL: | |
359 | val = BUCK_MODE_AUTO; | |
360 | break; | |
361 | case REGULATOR_MODE_STANDBY: | |
362 | val = BUCK_MODE_SLEEP; | |
363 | break; | |
364 | default: | |
365 | return -EINVAL; | |
366 | } | |
367 | ||
368 | return regmap_field_write(regl->mode, val); | |
369 | } | |
370 | ||
371 | static int da9062_ldo_set_suspend_mode(struct regulator_dev *rdev, | |
372 | unsigned mode) | |
373 | { | |
374 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); | |
375 | unsigned val; | |
376 | ||
377 | switch (mode) { | |
378 | case REGULATOR_MODE_NORMAL: | |
379 | val = 0; | |
380 | break; | |
381 | case REGULATOR_MODE_STANDBY: | |
382 | val = 1; | |
383 | break; | |
384 | default: | |
385 | return -EINVAL; | |
386 | } | |
387 | ||
388 | return regmap_field_write(regl->suspend_sleep, val); | |
389 | } | |
390 | ||
71242b49 | 391 | static const struct regulator_ops da9062_buck_ops = { |
4068e518 T |
392 | .enable = regulator_enable_regmap, |
393 | .disable = regulator_disable_regmap, | |
394 | .is_enabled = regulator_is_enabled_regmap, | |
395 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
396 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
397 | .list_voltage = regulator_list_voltage_linear, | |
398 | .set_current_limit = da9062_set_current_limit, | |
399 | .get_current_limit = da9062_get_current_limit, | |
400 | .set_mode = da9062_buck_set_mode, | |
401 | .get_mode = da9062_buck_get_mode, | |
402 | .get_status = da9062_buck_get_status, | |
403 | .set_suspend_voltage = da9062_set_suspend_voltage, | |
404 | .set_suspend_enable = da9062_suspend_enable, | |
405 | .set_suspend_disable = da9062_suspend_disable, | |
406 | .set_suspend_mode = da9062_buck_set_suspend_mode, | |
407 | }; | |
408 | ||
71242b49 | 409 | static const struct regulator_ops da9062_ldo_ops = { |
4068e518 T |
410 | .enable = regulator_enable_regmap, |
411 | .disable = regulator_disable_regmap, | |
412 | .is_enabled = regulator_is_enabled_regmap, | |
413 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
414 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
415 | .list_voltage = regulator_list_voltage_linear, | |
416 | .set_mode = da9062_ldo_set_mode, | |
417 | .get_mode = da9062_ldo_get_mode, | |
418 | .get_status = da9062_ldo_get_status, | |
419 | .set_suspend_voltage = da9062_set_suspend_voltage, | |
420 | .set_suspend_enable = da9062_suspend_enable, | |
421 | .set_suspend_disable = da9062_suspend_disable, | |
422 | .set_suspend_mode = da9062_ldo_set_suspend_mode, | |
423 | }; | |
424 | ||
4b7f4958 ST |
425 | /* DA9061 Regulator information */ |
426 | static const struct da9062_regulator_info local_da9061_regulator_info[] = { | |
427 | { | |
428 | .desc.id = DA9061_ID_BUCK1, | |
429 | .desc.name = "DA9061 BUCK1", | |
430 | .desc.of_match = of_match_ptr("buck1"), | |
431 | .desc.regulators_node = of_match_ptr("regulators"), | |
432 | .desc.ops = &da9062_buck_ops, | |
433 | .desc.min_uV = (300) * 1000, | |
434 | .desc.uV_step = (10) * 1000, | |
435 | .desc.n_voltages = ((1570) - (300))/(10) + 1, | |
436 | .current_limits = da9062_buck_a_limits, | |
437 | .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), | |
438 | .desc.enable_reg = DA9062AA_BUCK1_CONT, | |
439 | .desc.enable_mask = DA9062AA_BUCK1_EN_MASK, | |
440 | .desc.vsel_reg = DA9062AA_VBUCK1_A, | |
441 | .desc.vsel_mask = DA9062AA_VBUCK1_A_MASK, | |
442 | .desc.linear_min_sel = 0, | |
443 | .sleep = REG_FIELD(DA9062AA_VBUCK1_A, | |
444 | __builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1, | |
445 | sizeof(unsigned int) * 8 - | |
446 | __builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1), | |
447 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B, | |
448 | __builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1, | |
449 | sizeof(unsigned int) * 8 - | |
450 | __builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1), | |
451 | .suspend_vsel_reg = DA9062AA_VBUCK1_B, | |
452 | .mode = REG_FIELD(DA9062AA_BUCK1_CFG, | |
453 | __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1, | |
454 | sizeof(unsigned int) * 8 - | |
455 | __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1), | |
456 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
457 | __builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1, | |
458 | sizeof(unsigned int) * 8 - | |
459 | __builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1), | |
460 | .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C, | |
461 | __builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1, | |
462 | sizeof(unsigned int) * 8 - | |
463 | __builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1), | |
464 | }, | |
465 | { | |
466 | .desc.id = DA9061_ID_BUCK2, | |
467 | .desc.name = "DA9061 BUCK2", | |
468 | .desc.of_match = of_match_ptr("buck2"), | |
469 | .desc.regulators_node = of_match_ptr("regulators"), | |
470 | .desc.ops = &da9062_buck_ops, | |
471 | .desc.min_uV = (800) * 1000, | |
472 | .desc.uV_step = (20) * 1000, | |
473 | .desc.n_voltages = ((3340) - (800))/(20) + 1, | |
474 | .current_limits = da9062_buck_b_limits, | |
475 | .n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), | |
476 | .desc.enable_reg = DA9062AA_BUCK3_CONT, | |
477 | .desc.enable_mask = DA9062AA_BUCK3_EN_MASK, | |
478 | .desc.vsel_reg = DA9062AA_VBUCK3_A, | |
479 | .desc.vsel_mask = DA9062AA_VBUCK3_A_MASK, | |
480 | .desc.linear_min_sel = 0, | |
481 | .sleep = REG_FIELD(DA9062AA_VBUCK3_A, | |
482 | __builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1, | |
483 | sizeof(unsigned int) * 8 - | |
484 | __builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1), | |
485 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B, | |
486 | __builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1, | |
487 | sizeof(unsigned int) * 8 - | |
488 | __builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1), | |
489 | .suspend_vsel_reg = DA9062AA_VBUCK3_B, | |
490 | .mode = REG_FIELD(DA9062AA_BUCK3_CFG, | |
491 | __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1, | |
492 | sizeof(unsigned int) * 8 - | |
493 | __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1), | |
494 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
495 | __builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1, | |
496 | sizeof(unsigned int) * 8 - | |
497 | __builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1), | |
498 | .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A, | |
499 | __builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1, | |
500 | sizeof(unsigned int) * 8 - | |
501 | __builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1), | |
502 | }, | |
503 | { | |
504 | .desc.id = DA9061_ID_BUCK3, | |
505 | .desc.name = "DA9061 BUCK3", | |
506 | .desc.of_match = of_match_ptr("buck3"), | |
507 | .desc.regulators_node = of_match_ptr("regulators"), | |
508 | .desc.ops = &da9062_buck_ops, | |
509 | .desc.min_uV = (530) * 1000, | |
510 | .desc.uV_step = (10) * 1000, | |
511 | .desc.n_voltages = ((1800) - (530))/(10) + 1, | |
512 | .current_limits = da9062_buck_a_limits, | |
513 | .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), | |
514 | .desc.enable_reg = DA9062AA_BUCK4_CONT, | |
515 | .desc.enable_mask = DA9062AA_BUCK4_EN_MASK, | |
516 | .desc.vsel_reg = DA9062AA_VBUCK4_A, | |
517 | .desc.vsel_mask = DA9062AA_VBUCK4_A_MASK, | |
518 | .desc.linear_min_sel = 0, | |
519 | .sleep = REG_FIELD(DA9062AA_VBUCK4_A, | |
520 | __builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1, | |
521 | sizeof(unsigned int) * 8 - | |
522 | __builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1), | |
523 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B, | |
524 | __builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1, | |
525 | sizeof(unsigned int) * 8 - | |
526 | __builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1), | |
527 | .suspend_vsel_reg = DA9062AA_VBUCK4_B, | |
528 | .mode = REG_FIELD(DA9062AA_BUCK4_CFG, | |
529 | __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1, | |
530 | sizeof(unsigned int) * 8 - | |
531 | __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1), | |
532 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
533 | __builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1, | |
534 | sizeof(unsigned int) * 8 - | |
535 | __builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1), | |
536 | .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B, | |
537 | __builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1, | |
538 | sizeof(unsigned int) * 8 - | |
539 | __builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1), | |
540 | }, | |
541 | { | |
542 | .desc.id = DA9061_ID_LDO1, | |
543 | .desc.name = "DA9061 LDO1", | |
544 | .desc.of_match = of_match_ptr("ldo1"), | |
545 | .desc.regulators_node = of_match_ptr("regulators"), | |
546 | .desc.ops = &da9062_ldo_ops, | |
547 | .desc.min_uV = (900) * 1000, | |
548 | .desc.uV_step = (50) * 1000, | |
549 | .desc.n_voltages = ((3600) - (900))/(50) + 1, | |
550 | .desc.enable_reg = DA9062AA_LDO1_CONT, | |
551 | .desc.enable_mask = DA9062AA_LDO1_EN_MASK, | |
552 | .desc.vsel_reg = DA9062AA_VLDO1_A, | |
553 | .desc.vsel_mask = DA9062AA_VLDO1_A_MASK, | |
554 | .desc.linear_min_sel = 0, | |
555 | .sleep = REG_FIELD(DA9062AA_VLDO1_A, | |
556 | __builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1, | |
557 | sizeof(unsigned int) * 8 - | |
558 | __builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1), | |
559 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B, | |
560 | __builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1, | |
561 | sizeof(unsigned int) * 8 - | |
562 | __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1), | |
563 | .suspend_vsel_reg = DA9062AA_VLDO1_B, | |
564 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
565 | __builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1, | |
566 | sizeof(unsigned int) * 8 - | |
567 | __builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1), | |
568 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, | |
569 | __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1, | |
570 | sizeof(unsigned int) * 8 - | |
571 | __builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1), | |
572 | }, | |
573 | { | |
574 | .desc.id = DA9061_ID_LDO2, | |
575 | .desc.name = "DA9061 LDO2", | |
576 | .desc.of_match = of_match_ptr("ldo2"), | |
577 | .desc.regulators_node = of_match_ptr("regulators"), | |
578 | .desc.ops = &da9062_ldo_ops, | |
579 | .desc.min_uV = (900) * 1000, | |
580 | .desc.uV_step = (50) * 1000, | |
581 | .desc.n_voltages = ((3600) - (600))/(50) + 1, | |
582 | .desc.enable_reg = DA9062AA_LDO2_CONT, | |
583 | .desc.enable_mask = DA9062AA_LDO2_EN_MASK, | |
584 | .desc.vsel_reg = DA9062AA_VLDO2_A, | |
585 | .desc.vsel_mask = DA9062AA_VLDO2_A_MASK, | |
586 | .desc.linear_min_sel = 0, | |
587 | .sleep = REG_FIELD(DA9062AA_VLDO2_A, | |
588 | __builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1, | |
589 | sizeof(unsigned int) * 8 - | |
590 | __builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1), | |
591 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B, | |
592 | __builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1, | |
593 | sizeof(unsigned int) * 8 - | |
594 | __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1), | |
595 | .suspend_vsel_reg = DA9062AA_VLDO2_B, | |
596 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
597 | __builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1, | |
598 | sizeof(unsigned int) * 8 - | |
599 | __builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1), | |
600 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, | |
601 | __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1, | |
602 | sizeof(unsigned int) * 8 - | |
603 | __builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1), | |
604 | }, | |
605 | { | |
606 | .desc.id = DA9061_ID_LDO3, | |
607 | .desc.name = "DA9061 LDO3", | |
608 | .desc.of_match = of_match_ptr("ldo3"), | |
609 | .desc.regulators_node = of_match_ptr("regulators"), | |
610 | .desc.ops = &da9062_ldo_ops, | |
611 | .desc.min_uV = (900) * 1000, | |
612 | .desc.uV_step = (50) * 1000, | |
613 | .desc.n_voltages = ((3600) - (900))/(50) + 1, | |
614 | .desc.enable_reg = DA9062AA_LDO3_CONT, | |
615 | .desc.enable_mask = DA9062AA_LDO3_EN_MASK, | |
616 | .desc.vsel_reg = DA9062AA_VLDO3_A, | |
617 | .desc.vsel_mask = DA9062AA_VLDO3_A_MASK, | |
618 | .desc.linear_min_sel = 0, | |
619 | .sleep = REG_FIELD(DA9062AA_VLDO3_A, | |
620 | __builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1, | |
621 | sizeof(unsigned int) * 8 - | |
622 | __builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1), | |
623 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B, | |
624 | __builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1, | |
625 | sizeof(unsigned int) * 8 - | |
626 | __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1), | |
627 | .suspend_vsel_reg = DA9062AA_VLDO3_B, | |
628 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
629 | __builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1, | |
630 | sizeof(unsigned int) * 8 - | |
631 | __builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1), | |
632 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, | |
633 | __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1, | |
634 | sizeof(unsigned int) * 8 - | |
635 | __builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1), | |
636 | }, | |
637 | { | |
638 | .desc.id = DA9061_ID_LDO4, | |
639 | .desc.name = "DA9061 LDO4", | |
640 | .desc.of_match = of_match_ptr("ldo4"), | |
641 | .desc.regulators_node = of_match_ptr("regulators"), | |
642 | .desc.ops = &da9062_ldo_ops, | |
643 | .desc.min_uV = (900) * 1000, | |
644 | .desc.uV_step = (50) * 1000, | |
645 | .desc.n_voltages = ((3600) - (900))/(50) + 1, | |
646 | .desc.enable_reg = DA9062AA_LDO4_CONT, | |
647 | .desc.enable_mask = DA9062AA_LDO4_EN_MASK, | |
648 | .desc.vsel_reg = DA9062AA_VLDO4_A, | |
649 | .desc.vsel_mask = DA9062AA_VLDO4_A_MASK, | |
650 | .desc.linear_min_sel = 0, | |
651 | .sleep = REG_FIELD(DA9062AA_VLDO4_A, | |
652 | __builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1, | |
653 | sizeof(unsigned int) * 8 - | |
654 | __builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1), | |
655 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B, | |
656 | __builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1, | |
657 | sizeof(unsigned int) * 8 - | |
658 | __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1), | |
659 | .suspend_vsel_reg = DA9062AA_VLDO4_B, | |
660 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
661 | __builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1, | |
662 | sizeof(unsigned int) * 8 - | |
663 | __builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1), | |
664 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, | |
665 | __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1, | |
666 | sizeof(unsigned int) * 8 - | |
667 | __builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1), | |
668 | }, | |
669 | }; | |
670 | ||
671 | /* DA9062 Regulator information */ | |
672 | static const struct da9062_regulator_info local_da9062_regulator_info[] = { | |
4068e518 T |
673 | { |
674 | .desc.id = DA9062_ID_BUCK1, | |
675 | .desc.name = "DA9062 BUCK1", | |
676 | .desc.of_match = of_match_ptr("buck1"), | |
677 | .desc.regulators_node = of_match_ptr("regulators"), | |
678 | .desc.ops = &da9062_buck_ops, | |
679 | .desc.min_uV = (300) * 1000, | |
680 | .desc.uV_step = (10) * 1000, | |
681 | .desc.n_voltages = ((1570) - (300))/(10) + 1, | |
682 | .current_limits = da9062_buck_a_limits, | |
683 | .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), | |
684 | .desc.enable_reg = DA9062AA_BUCK1_CONT, | |
685 | .desc.enable_mask = DA9062AA_BUCK1_EN_MASK, | |
686 | .desc.vsel_reg = DA9062AA_VBUCK1_A, | |
687 | .desc.vsel_mask = DA9062AA_VBUCK1_A_MASK, | |
688 | .desc.linear_min_sel = 0, | |
689 | .sleep = REG_FIELD(DA9062AA_VBUCK1_A, | |
690 | __builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1, | |
691 | sizeof(unsigned int) * 8 - | |
692 | __builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1), | |
693 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B, | |
694 | __builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1, | |
695 | sizeof(unsigned int) * 8 - | |
696 | __builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1), | |
697 | .suspend_vsel_reg = DA9062AA_VBUCK1_B, | |
698 | .mode = REG_FIELD(DA9062AA_BUCK1_CFG, | |
699 | __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1, | |
700 | sizeof(unsigned int) * 8 - | |
701 | __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1), | |
702 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
703 | __builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1, | |
704 | sizeof(unsigned int) * 8 - | |
705 | __builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1), | |
706 | .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C, | |
707 | __builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1, | |
708 | sizeof(unsigned int) * 8 - | |
709 | __builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1), | |
710 | }, | |
711 | { | |
712 | .desc.id = DA9062_ID_BUCK2, | |
713 | .desc.name = "DA9062 BUCK2", | |
714 | .desc.of_match = of_match_ptr("buck2"), | |
715 | .desc.regulators_node = of_match_ptr("regulators"), | |
716 | .desc.ops = &da9062_buck_ops, | |
717 | .desc.min_uV = (300) * 1000, | |
718 | .desc.uV_step = (10) * 1000, | |
719 | .desc.n_voltages = ((1570) - (300))/(10) + 1, | |
720 | .current_limits = da9062_buck_a_limits, | |
721 | .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), | |
722 | .desc.enable_reg = DA9062AA_BUCK2_CONT, | |
723 | .desc.enable_mask = DA9062AA_BUCK2_EN_MASK, | |
724 | .desc.vsel_reg = DA9062AA_VBUCK2_A, | |
725 | .desc.vsel_mask = DA9062AA_VBUCK2_A_MASK, | |
726 | .desc.linear_min_sel = 0, | |
727 | .sleep = REG_FIELD(DA9062AA_VBUCK2_A, | |
728 | __builtin_ffs((int)DA9062AA_BUCK2_SL_A_MASK) - 1, | |
729 | sizeof(unsigned int) * 8 - | |
730 | __builtin_clz((DA9062AA_BUCK2_SL_A_MASK)) - 1), | |
731 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK2_B, | |
732 | __builtin_ffs((int)DA9062AA_BUCK2_SL_B_MASK) - 1, | |
733 | sizeof(unsigned int) * 8 - | |
734 | __builtin_clz((DA9062AA_BUCK2_SL_B_MASK)) - 1), | |
735 | .suspend_vsel_reg = DA9062AA_VBUCK2_B, | |
736 | .mode = REG_FIELD(DA9062AA_BUCK2_CFG, | |
737 | __builtin_ffs((int)DA9062AA_BUCK2_MODE_MASK) - 1, | |
738 | sizeof(unsigned int) * 8 - | |
739 | __builtin_clz((DA9062AA_BUCK2_MODE_MASK)) - 1), | |
740 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
741 | __builtin_ffs((int)DA9062AA_VBUCK2_SEL_MASK) - 1, | |
742 | sizeof(unsigned int) * 8 - | |
743 | __builtin_clz((DA9062AA_VBUCK2_SEL_MASK)) - 1), | |
744 | .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C, | |
745 | __builtin_ffs((int)DA9062AA_BUCK2_ILIM_MASK) - 1, | |
746 | sizeof(unsigned int) * 8 - | |
747 | __builtin_clz((DA9062AA_BUCK2_ILIM_MASK)) - 1), | |
748 | }, | |
749 | { | |
750 | .desc.id = DA9062_ID_BUCK3, | |
751 | .desc.name = "DA9062 BUCK3", | |
752 | .desc.of_match = of_match_ptr("buck3"), | |
753 | .desc.regulators_node = of_match_ptr("regulators"), | |
754 | .desc.ops = &da9062_buck_ops, | |
755 | .desc.min_uV = (800) * 1000, | |
756 | .desc.uV_step = (20) * 1000, | |
757 | .desc.n_voltages = ((3340) - (800))/(20) + 1, | |
758 | .current_limits = da9062_buck_b_limits, | |
759 | .n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), | |
760 | .desc.enable_reg = DA9062AA_BUCK3_CONT, | |
761 | .desc.enable_mask = DA9062AA_BUCK3_EN_MASK, | |
762 | .desc.vsel_reg = DA9062AA_VBUCK3_A, | |
763 | .desc.vsel_mask = DA9062AA_VBUCK3_A_MASK, | |
764 | .desc.linear_min_sel = 0, | |
765 | .sleep = REG_FIELD(DA9062AA_VBUCK3_A, | |
766 | __builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1, | |
767 | sizeof(unsigned int) * 8 - | |
768 | __builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1), | |
769 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B, | |
770 | __builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1, | |
771 | sizeof(unsigned int) * 8 - | |
772 | __builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1), | |
773 | .suspend_vsel_reg = DA9062AA_VBUCK3_B, | |
774 | .mode = REG_FIELD(DA9062AA_BUCK3_CFG, | |
775 | __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1, | |
776 | sizeof(unsigned int) * 8 - | |
777 | __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1), | |
778 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
779 | __builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1, | |
780 | sizeof(unsigned int) * 8 - | |
781 | __builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1), | |
782 | .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A, | |
783 | __builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1, | |
784 | sizeof(unsigned int) * 8 - | |
785 | __builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1), | |
786 | }, | |
787 | { | |
788 | .desc.id = DA9062_ID_BUCK4, | |
789 | .desc.name = "DA9062 BUCK4", | |
790 | .desc.of_match = of_match_ptr("buck4"), | |
791 | .desc.regulators_node = of_match_ptr("regulators"), | |
792 | .desc.ops = &da9062_buck_ops, | |
793 | .desc.min_uV = (530) * 1000, | |
794 | .desc.uV_step = (10) * 1000, | |
795 | .desc.n_voltages = ((1800) - (530))/(10) + 1, | |
796 | .current_limits = da9062_buck_a_limits, | |
797 | .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), | |
798 | .desc.enable_reg = DA9062AA_BUCK4_CONT, | |
799 | .desc.enable_mask = DA9062AA_BUCK4_EN_MASK, | |
800 | .desc.vsel_reg = DA9062AA_VBUCK4_A, | |
801 | .desc.vsel_mask = DA9062AA_VBUCK4_A_MASK, | |
802 | .desc.linear_min_sel = 0, | |
803 | .sleep = REG_FIELD(DA9062AA_VBUCK4_A, | |
804 | __builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1, | |
805 | sizeof(unsigned int) * 8 - | |
806 | __builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1), | |
807 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B, | |
808 | __builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1, | |
809 | sizeof(unsigned int) * 8 - | |
810 | __builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1), | |
811 | .suspend_vsel_reg = DA9062AA_VBUCK4_B, | |
812 | .mode = REG_FIELD(DA9062AA_BUCK4_CFG, | |
813 | __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1, | |
814 | sizeof(unsigned int) * 8 - | |
815 | __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1), | |
816 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
817 | __builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1, | |
818 | sizeof(unsigned int) * 8 - | |
819 | __builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1), | |
820 | .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B, | |
821 | __builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1, | |
822 | sizeof(unsigned int) * 8 - | |
823 | __builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1), | |
824 | }, | |
825 | { | |
826 | .desc.id = DA9062_ID_LDO1, | |
827 | .desc.name = "DA9062 LDO1", | |
828 | .desc.of_match = of_match_ptr("ldo1"), | |
829 | .desc.regulators_node = of_match_ptr("regulators"), | |
830 | .desc.ops = &da9062_ldo_ops, | |
831 | .desc.min_uV = (900) * 1000, | |
832 | .desc.uV_step = (50) * 1000, | |
833 | .desc.n_voltages = ((3600) - (900))/(50) + 1, | |
834 | .desc.enable_reg = DA9062AA_LDO1_CONT, | |
835 | .desc.enable_mask = DA9062AA_LDO1_EN_MASK, | |
836 | .desc.vsel_reg = DA9062AA_VLDO1_A, | |
837 | .desc.vsel_mask = DA9062AA_VLDO1_A_MASK, | |
838 | .desc.linear_min_sel = 0, | |
839 | .sleep = REG_FIELD(DA9062AA_VLDO1_A, | |
840 | __builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1, | |
841 | sizeof(unsigned int) * 8 - | |
842 | __builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1), | |
843 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B, | |
844 | __builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1, | |
845 | sizeof(unsigned int) * 8 - | |
846 | __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1), | |
847 | .suspend_vsel_reg = DA9062AA_VLDO1_B, | |
848 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
849 | __builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1, | |
850 | sizeof(unsigned int) * 8 - | |
851 | __builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1), | |
852 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, | |
853 | __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1, | |
854 | sizeof(unsigned int) * 8 - | |
855 | __builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1), | |
856 | }, | |
857 | { | |
858 | .desc.id = DA9062_ID_LDO2, | |
859 | .desc.name = "DA9062 LDO2", | |
860 | .desc.of_match = of_match_ptr("ldo2"), | |
861 | .desc.regulators_node = of_match_ptr("regulators"), | |
862 | .desc.ops = &da9062_ldo_ops, | |
863 | .desc.min_uV = (900) * 1000, | |
864 | .desc.uV_step = (50) * 1000, | |
865 | .desc.n_voltages = ((3600) - (600))/(50) + 1, | |
866 | .desc.enable_reg = DA9062AA_LDO2_CONT, | |
867 | .desc.enable_mask = DA9062AA_LDO2_EN_MASK, | |
868 | .desc.vsel_reg = DA9062AA_VLDO2_A, | |
869 | .desc.vsel_mask = DA9062AA_VLDO2_A_MASK, | |
870 | .desc.linear_min_sel = 0, | |
871 | .sleep = REG_FIELD(DA9062AA_VLDO2_A, | |
872 | __builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1, | |
873 | sizeof(unsigned int) * 8 - | |
874 | __builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1), | |
875 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B, | |
876 | __builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1, | |
877 | sizeof(unsigned int) * 8 - | |
878 | __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1), | |
879 | .suspend_vsel_reg = DA9062AA_VLDO2_B, | |
880 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
881 | __builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1, | |
882 | sizeof(unsigned int) * 8 - | |
883 | __builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1), | |
884 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, | |
885 | __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1, | |
886 | sizeof(unsigned int) * 8 - | |
887 | __builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1), | |
888 | }, | |
889 | { | |
890 | .desc.id = DA9062_ID_LDO3, | |
891 | .desc.name = "DA9062 LDO3", | |
892 | .desc.of_match = of_match_ptr("ldo3"), | |
893 | .desc.regulators_node = of_match_ptr("regulators"), | |
894 | .desc.ops = &da9062_ldo_ops, | |
895 | .desc.min_uV = (900) * 1000, | |
896 | .desc.uV_step = (50) * 1000, | |
897 | .desc.n_voltages = ((3600) - (900))/(50) + 1, | |
898 | .desc.enable_reg = DA9062AA_LDO3_CONT, | |
899 | .desc.enable_mask = DA9062AA_LDO3_EN_MASK, | |
900 | .desc.vsel_reg = DA9062AA_VLDO3_A, | |
901 | .desc.vsel_mask = DA9062AA_VLDO3_A_MASK, | |
902 | .desc.linear_min_sel = 0, | |
903 | .sleep = REG_FIELD(DA9062AA_VLDO3_A, | |
904 | __builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1, | |
905 | sizeof(unsigned int) * 8 - | |
906 | __builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1), | |
907 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B, | |
908 | __builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1, | |
909 | sizeof(unsigned int) * 8 - | |
910 | __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1), | |
911 | .suspend_vsel_reg = DA9062AA_VLDO3_B, | |
912 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
913 | __builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1, | |
914 | sizeof(unsigned int) * 8 - | |
915 | __builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1), | |
916 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, | |
917 | __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1, | |
918 | sizeof(unsigned int) * 8 - | |
919 | __builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1), | |
920 | }, | |
921 | { | |
922 | .desc.id = DA9062_ID_LDO4, | |
923 | .desc.name = "DA9062 LDO4", | |
924 | .desc.of_match = of_match_ptr("ldo4"), | |
925 | .desc.regulators_node = of_match_ptr("regulators"), | |
926 | .desc.ops = &da9062_ldo_ops, | |
927 | .desc.min_uV = (900) * 1000, | |
928 | .desc.uV_step = (50) * 1000, | |
929 | .desc.n_voltages = ((3600) - (900))/(50) + 1, | |
930 | .desc.enable_reg = DA9062AA_LDO4_CONT, | |
931 | .desc.enable_mask = DA9062AA_LDO4_EN_MASK, | |
932 | .desc.vsel_reg = DA9062AA_VLDO4_A, | |
933 | .desc.vsel_mask = DA9062AA_VLDO4_A_MASK, | |
934 | .desc.linear_min_sel = 0, | |
935 | .sleep = REG_FIELD(DA9062AA_VLDO4_A, | |
936 | __builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1, | |
937 | sizeof(unsigned int) * 8 - | |
938 | __builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1), | |
939 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B, | |
940 | __builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1, | |
941 | sizeof(unsigned int) * 8 - | |
942 | __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1), | |
943 | .suspend_vsel_reg = DA9062AA_VLDO4_B, | |
944 | .suspend = REG_FIELD(DA9062AA_DVC_1, | |
945 | __builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1, | |
946 | sizeof(unsigned int) * 8 - | |
947 | __builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1), | |
948 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, | |
949 | __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1, | |
950 | sizeof(unsigned int) * 8 - | |
951 | __builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1), | |
952 | }, | |
953 | }; | |
954 | ||
955 | /* Regulator interrupt handlers */ | |
956 | static irqreturn_t da9062_ldo_lim_event(int irq, void *data) | |
957 | { | |
958 | struct da9062_regulators *regulators = data; | |
959 | struct da9062 *hw = regulators->regulator[0].hw; | |
960 | struct da9062_regulator *regl; | |
961 | int handled = IRQ_NONE; | |
962 | int bits, i, ret; | |
963 | ||
964 | ret = regmap_read(hw->regmap, DA9062AA_STATUS_D, &bits); | |
965 | if (ret < 0) { | |
966 | dev_err(hw->dev, | |
967 | "Failed to read LDO overcurrent indicator\n"); | |
968 | goto ldo_lim_error; | |
969 | } | |
970 | ||
971 | for (i = regulators->n_regulators - 1; i >= 0; i--) { | |
972 | regl = ®ulators->regulator[i]; | |
973 | if (regl->info->oc_event.reg != DA9062AA_STATUS_D) | |
974 | continue; | |
975 | ||
976 | if (BIT(regl->info->oc_event.lsb) & bits) { | |
977 | regulator_notifier_call_chain(regl->rdev, | |
978 | REGULATOR_EVENT_OVER_CURRENT, NULL); | |
979 | handled = IRQ_HANDLED; | |
980 | } | |
981 | } | |
982 | ||
983 | ldo_lim_error: | |
984 | return handled; | |
985 | } | |
986 | ||
987 | static int da9062_regulator_probe(struct platform_device *pdev) | |
988 | { | |
989 | struct da9062 *chip = dev_get_drvdata(pdev->dev.parent); | |
4068e518 T |
990 | struct da9062_regulators *regulators; |
991 | struct da9062_regulator *regl; | |
992 | struct regulator_config config = { }; | |
4b7f4958 | 993 | const struct da9062_regulator_info *rinfo; |
4068e518 T |
994 | int irq, n, ret; |
995 | size_t size; | |
4b7f4958 ST |
996 | int max_regulators; |
997 | ||
998 | switch (chip->chip_type) { | |
999 | case COMPAT_TYPE_DA9061: | |
1000 | max_regulators = DA9061_MAX_REGULATORS; | |
1001 | rinfo = local_da9061_regulator_info; | |
1002 | break; | |
1003 | case COMPAT_TYPE_DA9062: | |
1004 | max_regulators = DA9062_MAX_REGULATORS; | |
1005 | rinfo = local_da9062_regulator_info; | |
1006 | break; | |
1007 | default: | |
1008 | dev_err(chip->dev, "Unrecognised chip type\n"); | |
1009 | return -ENODEV; | |
1010 | } | |
4068e518 T |
1011 | |
1012 | /* Allocate memory required by usable regulators */ | |
1013 | size = sizeof(struct da9062_regulators) + | |
4b7f4958 | 1014 | max_regulators * sizeof(struct da9062_regulator); |
4068e518 T |
1015 | regulators = devm_kzalloc(&pdev->dev, size, GFP_KERNEL); |
1016 | if (!regulators) | |
1017 | return -ENOMEM; | |
1018 | ||
4b7f4958 | 1019 | regulators->n_regulators = max_regulators; |
4068e518 T |
1020 | platform_set_drvdata(pdev, regulators); |
1021 | ||
1022 | n = 0; | |
1023 | while (n < regulators->n_regulators) { | |
1024 | /* Initialise regulator structure */ | |
1025 | regl = ®ulators->regulator[n]; | |
1026 | regl->hw = chip; | |
4b7f4958 | 1027 | regl->info = &rinfo[n]; |
4068e518 T |
1028 | regl->desc = regl->info->desc; |
1029 | regl->desc.type = REGULATOR_VOLTAGE; | |
1030 | regl->desc.owner = THIS_MODULE; | |
1031 | ||
1032 | if (regl->info->mode.reg) | |
1033 | regl->mode = devm_regmap_field_alloc( | |
1034 | &pdev->dev, | |
1035 | chip->regmap, | |
1036 | regl->info->mode); | |
1037 | if (regl->info->suspend.reg) | |
1038 | regl->suspend = devm_regmap_field_alloc( | |
1039 | &pdev->dev, | |
1040 | chip->regmap, | |
1041 | regl->info->suspend); | |
1042 | if (regl->info->sleep.reg) | |
1043 | regl->sleep = devm_regmap_field_alloc( | |
1044 | &pdev->dev, | |
1045 | chip->regmap, | |
1046 | regl->info->sleep); | |
1047 | if (regl->info->suspend_sleep.reg) | |
1048 | regl->suspend_sleep = devm_regmap_field_alloc( | |
1049 | &pdev->dev, | |
1050 | chip->regmap, | |
1051 | regl->info->suspend_sleep); | |
1052 | if (regl->info->ilimit.reg) | |
1053 | regl->ilimit = devm_regmap_field_alloc( | |
1054 | &pdev->dev, | |
1055 | chip->regmap, | |
1056 | regl->info->ilimit); | |
1057 | ||
1058 | /* Register regulator */ | |
1059 | memset(&config, 0, sizeof(config)); | |
1060 | config.dev = chip->dev; | |
1061 | config.driver_data = regl; | |
1062 | config.regmap = chip->regmap; | |
1063 | ||
1064 | regl->rdev = devm_regulator_register(&pdev->dev, ®l->desc, | |
1065 | &config); | |
1066 | if (IS_ERR(regl->rdev)) { | |
1067 | dev_err(&pdev->dev, | |
1068 | "Failed to register %s regulator\n", | |
1069 | regl->desc.name); | |
1070 | return PTR_ERR(regl->rdev); | |
1071 | } | |
1072 | ||
1073 | n++; | |
1074 | } | |
1075 | ||
1076 | /* LDOs overcurrent event support */ | |
1077 | irq = platform_get_irq_byname(pdev, "LDO_LIM"); | |
1078 | if (irq < 0) { | |
1079 | dev_err(&pdev->dev, "Failed to get IRQ.\n"); | |
1080 | return irq; | |
1081 | } | |
1082 | regulators->irq_ldo_lim = irq; | |
1083 | ||
1084 | ret = devm_request_threaded_irq(&pdev->dev, irq, | |
1085 | NULL, da9062_ldo_lim_event, | |
1086 | IRQF_TRIGGER_LOW | IRQF_ONESHOT, | |
1087 | "LDO_LIM", regulators); | |
1088 | if (ret) { | |
1089 | dev_warn(&pdev->dev, | |
1090 | "Failed to request LDO_LIM IRQ.\n"); | |
1091 | regulators->irq_ldo_lim = -ENXIO; | |
1092 | } | |
1093 | ||
1094 | return 0; | |
1095 | } | |
1096 | ||
1097 | static struct platform_driver da9062_regulator_driver = { | |
1098 | .driver = { | |
1099 | .name = "da9062-regulators", | |
4068e518 T |
1100 | }, |
1101 | .probe = da9062_regulator_probe, | |
1102 | }; | |
1103 | ||
1104 | static int __init da9062_regulator_init(void) | |
1105 | { | |
1106 | return platform_driver_register(&da9062_regulator_driver); | |
1107 | } | |
1108 | subsys_initcall(da9062_regulator_init); | |
1109 | ||
1110 | static void __exit da9062_regulator_cleanup(void) | |
1111 | { | |
1112 | platform_driver_unregister(&da9062_regulator_driver); | |
1113 | } | |
1114 | module_exit(da9062_regulator_cleanup); | |
1115 | ||
1116 | /* Module information */ | |
1117 | MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>"); | |
4b7f4958 | 1118 | MODULE_DESCRIPTION("REGULATOR device driver for Dialog DA9062 and DA9061"); |
4068e518 | 1119 | MODULE_LICENSE("GPL"); |
ea6254e5 | 1120 | MODULE_ALIAS("platform:da9062-regulators"); |