Version:  2.0.40 2.2.26 2.4.37 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8

Linux/drivers/regulator/palmas-regulator.c

  1 /*
  2  * Driver for Regulator part of Palmas PMIC Chips
  3  *
  4  * Copyright 2011-2013 Texas Instruments Inc.
  5  *
  6  * Author: Graeme Gregory <gg@slimlogic.co.uk>
  7  * Author: Ian Lartey <ian@slimlogic.co.uk>
  8  *
  9  *  This program is free software; you can redistribute it and/or modify it
 10  *  under  the terms of the GNU General  Public License as published by the
 11  *  Free Software Foundation;  either version 2 of the License, or (at your
 12  *  option) any later version.
 13  *
 14  */
 15 
 16 #include <linux/kernel.h>
 17 #include <linux/module.h>
 18 #include <linux/init.h>
 19 #include <linux/err.h>
 20 #include <linux/platform_device.h>
 21 #include <linux/regulator/driver.h>
 22 #include <linux/regulator/machine.h>
 23 #include <linux/slab.h>
 24 #include <linux/regmap.h>
 25 #include <linux/mfd/palmas.h>
 26 #include <linux/of.h>
 27 #include <linux/of_platform.h>
 28 #include <linux/regulator/of_regulator.h>
 29 
 30 static const struct regulator_linear_range smps_low_ranges[] = {
 31         REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
 32         REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0),
 33         REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000),
 34         REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0),
 35 };
 36 
 37 static const struct regulator_linear_range smps_high_ranges[] = {
 38         REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
 39         REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0),
 40         REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000),
 41         REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0),
 42 };
 43 
 44 static struct palmas_regs_info palmas_generic_regs_info[] = {
 45         {
 46                 .name           = "SMPS12",
 47                 .sname          = "smps1-in",
 48                 .vsel_addr      = PALMAS_SMPS12_VOLTAGE,
 49                 .ctrl_addr      = PALMAS_SMPS12_CTRL,
 50                 .tstep_addr     = PALMAS_SMPS12_TSTEP,
 51                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
 52         },
 53         {
 54                 .name           = "SMPS123",
 55                 .sname          = "smps1-in",
 56                 .vsel_addr      = PALMAS_SMPS12_VOLTAGE,
 57                 .ctrl_addr      = PALMAS_SMPS12_CTRL,
 58                 .tstep_addr     = PALMAS_SMPS12_TSTEP,
 59                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
 60         },
 61         {
 62                 .name           = "SMPS3",
 63                 .sname          = "smps3-in",
 64                 .vsel_addr      = PALMAS_SMPS3_VOLTAGE,
 65                 .ctrl_addr      = PALMAS_SMPS3_CTRL,
 66                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS3,
 67         },
 68         {
 69                 .name           = "SMPS45",
 70                 .sname          = "smps4-in",
 71                 .vsel_addr      = PALMAS_SMPS45_VOLTAGE,
 72                 .ctrl_addr      = PALMAS_SMPS45_CTRL,
 73                 .tstep_addr     = PALMAS_SMPS45_TSTEP,
 74                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
 75         },
 76         {
 77                 .name           = "SMPS457",
 78                 .sname          = "smps4-in",
 79                 .vsel_addr      = PALMAS_SMPS45_VOLTAGE,
 80                 .ctrl_addr      = PALMAS_SMPS45_CTRL,
 81                 .tstep_addr     = PALMAS_SMPS45_TSTEP,
 82                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
 83         },
 84         {
 85                 .name           = "SMPS6",
 86                 .sname          = "smps6-in",
 87                 .vsel_addr      = PALMAS_SMPS6_VOLTAGE,
 88                 .ctrl_addr      = PALMAS_SMPS6_CTRL,
 89                 .tstep_addr     = PALMAS_SMPS6_TSTEP,
 90                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS6,
 91         },
 92         {
 93                 .name           = "SMPS7",
 94                 .sname          = "smps7-in",
 95                 .vsel_addr      = PALMAS_SMPS7_VOLTAGE,
 96                 .ctrl_addr      = PALMAS_SMPS7_CTRL,
 97                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS7,
 98         },
 99         {
100                 .name           = "SMPS8",
101                 .sname          = "smps8-in",
102                 .vsel_addr      = PALMAS_SMPS8_VOLTAGE,
103                 .ctrl_addr      = PALMAS_SMPS8_CTRL,
104                 .tstep_addr     = PALMAS_SMPS8_TSTEP,
105                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS8,
106         },
107         {
108                 .name           = "SMPS9",
109                 .sname          = "smps9-in",
110                 .vsel_addr      = PALMAS_SMPS9_VOLTAGE,
111                 .ctrl_addr      = PALMAS_SMPS9_CTRL,
112                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS9,
113         },
114         {
115                 .name           = "SMPS10_OUT2",
116                 .sname          = "smps10-in",
117                 .ctrl_addr      = PALMAS_SMPS10_CTRL,
118                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
119         },
120         {
121                 .name           = "SMPS10_OUT1",
122                 .sname          = "smps10-out2",
123                 .ctrl_addr      = PALMAS_SMPS10_CTRL,
124                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
125         },
126         {
127                 .name           = "LDO1",
128                 .sname          = "ldo1-in",
129                 .vsel_addr      = PALMAS_LDO1_VOLTAGE,
130                 .ctrl_addr      = PALMAS_LDO1_CTRL,
131                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO1,
132         },
133         {
134                 .name           = "LDO2",
135                 .sname          = "ldo2-in",
136                 .vsel_addr      = PALMAS_LDO2_VOLTAGE,
137                 .ctrl_addr      = PALMAS_LDO2_CTRL,
138                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO2,
139         },
140         {
141                 .name           = "LDO3",
142                 .sname          = "ldo3-in",
143                 .vsel_addr      = PALMAS_LDO3_VOLTAGE,
144                 .ctrl_addr      = PALMAS_LDO3_CTRL,
145                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO3,
146         },
147         {
148                 .name           = "LDO4",
149                 .sname          = "ldo4-in",
150                 .vsel_addr      = PALMAS_LDO4_VOLTAGE,
151                 .ctrl_addr      = PALMAS_LDO4_CTRL,
152                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO4,
153         },
154         {
155                 .name           = "LDO5",
156                 .sname          = "ldo5-in",
157                 .vsel_addr      = PALMAS_LDO5_VOLTAGE,
158                 .ctrl_addr      = PALMAS_LDO5_CTRL,
159                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO5,
160         },
161         {
162                 .name           = "LDO6",
163                 .sname          = "ldo6-in",
164                 .vsel_addr      = PALMAS_LDO6_VOLTAGE,
165                 .ctrl_addr      = PALMAS_LDO6_CTRL,
166                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO6,
167         },
168         {
169                 .name           = "LDO7",
170                 .sname          = "ldo7-in",
171                 .vsel_addr      = PALMAS_LDO7_VOLTAGE,
172                 .ctrl_addr      = PALMAS_LDO7_CTRL,
173                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO7,
174         },
175         {
176                 .name           = "LDO8",
177                 .sname          = "ldo8-in",
178                 .vsel_addr      = PALMAS_LDO8_VOLTAGE,
179                 .ctrl_addr      = PALMAS_LDO8_CTRL,
180                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO8,
181         },
182         {
183                 .name           = "LDO9",
184                 .sname          = "ldo9-in",
185                 .vsel_addr      = PALMAS_LDO9_VOLTAGE,
186                 .ctrl_addr      = PALMAS_LDO9_CTRL,
187                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO9,
188         },
189         {
190                 .name           = "LDOLN",
191                 .sname          = "ldoln-in",
192                 .vsel_addr      = PALMAS_LDOLN_VOLTAGE,
193                 .ctrl_addr      = PALMAS_LDOLN_CTRL,
194                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDOLN,
195         },
196         {
197                 .name           = "LDOUSB",
198                 .sname          = "ldousb-in",
199                 .vsel_addr      = PALMAS_LDOUSB_VOLTAGE,
200                 .ctrl_addr      = PALMAS_LDOUSB_CTRL,
201                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDOUSB,
202         },
203         {
204                 .name           = "REGEN1",
205                 .ctrl_addr      = PALMAS_REGEN1_CTRL,
206                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN1,
207         },
208         {
209                 .name           = "REGEN2",
210                 .ctrl_addr      = PALMAS_REGEN2_CTRL,
211                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN2,
212         },
213         {
214                 .name           = "REGEN3",
215                 .ctrl_addr      = PALMAS_REGEN3_CTRL,
216                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN3,
217         },
218         {
219                 .name           = "SYSEN1",
220                 .ctrl_addr      = PALMAS_SYSEN1_CTRL,
221                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SYSEN1,
222         },
223         {
224                 .name           = "SYSEN2",
225                 .ctrl_addr      = PALMAS_SYSEN2_CTRL,
226                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SYSEN2,
227         },
228 };
229 
230 static struct palmas_regs_info tps65917_regs_info[] = {
231         {
232                 .name           = "SMPS1",
233                 .sname          = "smps1-in",
234                 .vsel_addr      = TPS65917_SMPS1_VOLTAGE,
235                 .ctrl_addr      = TPS65917_SMPS1_CTRL,
236                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS1,
237         },
238         {
239                 .name           = "SMPS2",
240                 .sname          = "smps2-in",
241                 .vsel_addr      = TPS65917_SMPS2_VOLTAGE,
242                 .ctrl_addr      = TPS65917_SMPS2_CTRL,
243                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS2,
244         },
245         {
246                 .name           = "SMPS3",
247                 .sname          = "smps3-in",
248                 .vsel_addr      = TPS65917_SMPS3_VOLTAGE,
249                 .ctrl_addr      = TPS65917_SMPS3_CTRL,
250                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS3,
251         },
252         {
253                 .name           = "SMPS4",
254                 .sname          = "smps4-in",
255                 .vsel_addr      = TPS65917_SMPS4_VOLTAGE,
256                 .ctrl_addr      = TPS65917_SMPS4_CTRL,
257                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS4,
258         },
259         {
260                 .name           = "SMPS5",
261                 .sname          = "smps5-in",
262                 .vsel_addr      = TPS65917_SMPS5_VOLTAGE,
263                 .ctrl_addr      = TPS65917_SMPS5_CTRL,
264                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
265         },
266         {
267                 .name           = "LDO1",
268                 .sname          = "ldo1-in",
269                 .vsel_addr      = TPS65917_LDO1_VOLTAGE,
270                 .ctrl_addr      = TPS65917_LDO1_CTRL,
271                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO1,
272         },
273         {
274                 .name           = "LDO2",
275                 .sname          = "ldo2-in",
276                 .vsel_addr      = TPS65917_LDO2_VOLTAGE,
277                 .ctrl_addr      = TPS65917_LDO2_CTRL,
278                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO2,
279         },
280         {
281                 .name           = "LDO3",
282                 .sname          = "ldo3-in",
283                 .vsel_addr      = TPS65917_LDO3_VOLTAGE,
284                 .ctrl_addr      = TPS65917_LDO3_CTRL,
285                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO3,
286         },
287         {
288                 .name           = "LDO4",
289                 .sname          = "ldo4-in",
290                 .vsel_addr      = TPS65917_LDO4_VOLTAGE,
291                 .ctrl_addr      = TPS65917_LDO4_CTRL,
292                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO4,
293         },
294         {
295                 .name           = "LDO5",
296                 .sname          = "ldo5-in",
297                 .vsel_addr      = TPS65917_LDO5_VOLTAGE,
298                 .ctrl_addr      = TPS65917_LDO5_CTRL,
299                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO5,
300         },
301         {
302                 .name           = "REGEN1",
303                 .ctrl_addr      = TPS65917_REGEN1_CTRL,
304                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN1,
305         },
306         {
307                 .name           = "REGEN2",
308                 .ctrl_addr      = TPS65917_REGEN2_CTRL,
309                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN2,
310         },
311         {
312                 .name           = "REGEN3",
313                 .ctrl_addr      = TPS65917_REGEN3_CTRL,
314                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN3,
315         },
316 };
317 
318 #define EXTERNAL_REQUESTOR(_id, _offset, _pos)          \
319         [PALMAS_EXTERNAL_REQSTR_ID_##_id] = {           \
320                 .id = PALMAS_EXTERNAL_REQSTR_ID_##_id,  \
321                 .reg_offset = _offset,                  \
322                 .bit_pos = _pos,                        \
323         }
324 
325 static struct palmas_sleep_requestor_info palma_sleep_req_info[] = {
326         EXTERNAL_REQUESTOR(REGEN1, 0, 0),
327         EXTERNAL_REQUESTOR(REGEN2, 0, 1),
328         EXTERNAL_REQUESTOR(SYSEN1, 0, 2),
329         EXTERNAL_REQUESTOR(SYSEN2, 0, 3),
330         EXTERNAL_REQUESTOR(CLK32KG, 0, 4),
331         EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5),
332         EXTERNAL_REQUESTOR(REGEN3, 0, 6),
333         EXTERNAL_REQUESTOR(SMPS12, 1, 0),
334         EXTERNAL_REQUESTOR(SMPS3, 1, 1),
335         EXTERNAL_REQUESTOR(SMPS45, 1, 2),
336         EXTERNAL_REQUESTOR(SMPS6, 1, 3),
337         EXTERNAL_REQUESTOR(SMPS7, 1, 4),
338         EXTERNAL_REQUESTOR(SMPS8, 1, 5),
339         EXTERNAL_REQUESTOR(SMPS9, 1, 6),
340         EXTERNAL_REQUESTOR(SMPS10, 1, 7),
341         EXTERNAL_REQUESTOR(LDO1, 2, 0),
342         EXTERNAL_REQUESTOR(LDO2, 2, 1),
343         EXTERNAL_REQUESTOR(LDO3, 2, 2),
344         EXTERNAL_REQUESTOR(LDO4, 2, 3),
345         EXTERNAL_REQUESTOR(LDO5, 2, 4),
346         EXTERNAL_REQUESTOR(LDO6, 2, 5),
347         EXTERNAL_REQUESTOR(LDO7, 2, 6),
348         EXTERNAL_REQUESTOR(LDO8, 2, 7),
349         EXTERNAL_REQUESTOR(LDO9, 3, 0),
350         EXTERNAL_REQUESTOR(LDOLN, 3, 1),
351         EXTERNAL_REQUESTOR(LDOUSB, 3, 2),
352 };
353 
354 #define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos)         \
355         [TPS65917_EXTERNAL_REQSTR_ID_##_id] = {         \
356                 .id = TPS65917_EXTERNAL_REQSTR_ID_##_id,        \
357                 .reg_offset = _offset,                  \
358                 .bit_pos = _pos,                        \
359         }
360 
361 static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = {
362         EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0),
363         EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1),
364         EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6),
365         EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0),
366         EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1),
367         EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
368         EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
369         EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
370         EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
371         EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
372         EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
373         EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3),
374         EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4),
375 };
376 
377 static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
378 
379 #define SMPS_CTRL_MODE_OFF              0x00
380 #define SMPS_CTRL_MODE_ON               0x01
381 #define SMPS_CTRL_MODE_ECO              0x02
382 #define SMPS_CTRL_MODE_PWM              0x03
383 
384 #define PALMAS_SMPS_NUM_VOLTAGES        122
385 #define PALMAS_SMPS10_NUM_VOLTAGES      2
386 #define PALMAS_LDO_NUM_VOLTAGES         50
387 
388 #define SMPS10_VSEL                     (1<<3)
389 #define SMPS10_BOOST_EN                 (1<<2)
390 #define SMPS10_BYPASS_EN                (1<<1)
391 #define SMPS10_SWITCH_EN                (1<<0)
392 
393 #define REGULATOR_SLAVE                 0
394 
395 static int palmas_smps_read(struct palmas *palmas, unsigned int reg,
396                 unsigned int *dest)
397 {
398         unsigned int addr;
399 
400         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
401 
402         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
403 }
404 
405 static int palmas_smps_write(struct palmas *palmas, unsigned int reg,
406                 unsigned int value)
407 {
408         unsigned int addr;
409 
410         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
411 
412         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
413 }
414 
415 static int palmas_ldo_read(struct palmas *palmas, unsigned int reg,
416                 unsigned int *dest)
417 {
418         unsigned int addr;
419 
420         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
421 
422         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
423 }
424 
425 static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
426                 unsigned int value)
427 {
428         unsigned int addr;
429 
430         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
431 
432         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
433 }
434 
435 static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
436 {
437         int id = rdev_get_id(dev);
438         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
439         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
440         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
441         unsigned int reg;
442         bool rail_enable = true;
443 
444         palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, &reg);
445 
446         reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
447 
448         if (reg == SMPS_CTRL_MODE_OFF)
449                 rail_enable = false;
450 
451         switch (mode) {
452         case REGULATOR_MODE_NORMAL:
453                 reg |= SMPS_CTRL_MODE_ON;
454                 break;
455         case REGULATOR_MODE_IDLE:
456                 reg |= SMPS_CTRL_MODE_ECO;
457                 break;
458         case REGULATOR_MODE_FAST:
459                 reg |= SMPS_CTRL_MODE_PWM;
460                 break;
461         default:
462                 return -EINVAL;
463         }
464 
465         pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
466         if (rail_enable)
467                 palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg);
468 
469         /* Switch the enable value to ensure this is used for enable */
470         pmic->desc[id].enable_val = pmic->current_reg_mode[id];
471 
472         return 0;
473 }
474 
475 static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
476 {
477         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
478         int id = rdev_get_id(dev);
479         unsigned int reg;
480 
481         reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
482 
483         switch (reg) {
484         case SMPS_CTRL_MODE_ON:
485                 return REGULATOR_MODE_NORMAL;
486         case SMPS_CTRL_MODE_ECO:
487                 return REGULATOR_MODE_IDLE;
488         case SMPS_CTRL_MODE_PWM:
489                 return REGULATOR_MODE_FAST;
490         }
491 
492         return 0;
493 }
494 
495 static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
496                  int ramp_delay)
497 {
498         int id = rdev_get_id(rdev);
499         struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
500         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
501         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
502         unsigned int reg = 0;
503         int ret;
504 
505         /* SMPS3 and SMPS7 do not have tstep_addr setting */
506         switch (id) {
507         case PALMAS_REG_SMPS3:
508         case PALMAS_REG_SMPS7:
509                 return 0;
510         }
511 
512         if (ramp_delay <= 0)
513                 reg = 0;
514         else if (ramp_delay <= 2500)
515                 reg = 3;
516         else if (ramp_delay <= 5000)
517                 reg = 2;
518         else
519                 reg = 1;
520 
521         ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg);
522         if (ret < 0) {
523                 dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
524                 return ret;
525         }
526 
527         pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
528         return ret;
529 }
530 
531 static struct regulator_ops palmas_ops_smps = {
532         .is_enabled             = regulator_is_enabled_regmap,
533         .enable                 = regulator_enable_regmap,
534         .disable                = regulator_disable_regmap,
535         .set_mode               = palmas_set_mode_smps,
536         .get_mode               = palmas_get_mode_smps,
537         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
538         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
539         .list_voltage           = regulator_list_voltage_linear_range,
540         .map_voltage            = regulator_map_voltage_linear_range,
541         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
542         .set_ramp_delay         = palmas_smps_set_ramp_delay,
543 };
544 
545 static struct regulator_ops palmas_ops_ext_control_smps = {
546         .set_mode               = palmas_set_mode_smps,
547         .get_mode               = palmas_get_mode_smps,
548         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
549         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
550         .list_voltage           = regulator_list_voltage_linear_range,
551         .map_voltage            = regulator_map_voltage_linear_range,
552         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
553         .set_ramp_delay         = palmas_smps_set_ramp_delay,
554 };
555 
556 static struct regulator_ops palmas_ops_smps10 = {
557         .is_enabled             = regulator_is_enabled_regmap,
558         .enable                 = regulator_enable_regmap,
559         .disable                = regulator_disable_regmap,
560         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
561         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
562         .list_voltage           = regulator_list_voltage_linear,
563         .map_voltage            = regulator_map_voltage_linear,
564         .set_bypass             = regulator_set_bypass_regmap,
565         .get_bypass             = regulator_get_bypass_regmap,
566 };
567 
568 static struct regulator_ops tps65917_ops_smps = {
569         .is_enabled             = regulator_is_enabled_regmap,
570         .enable                 = regulator_enable_regmap,
571         .disable                = regulator_disable_regmap,
572         .set_mode               = palmas_set_mode_smps,
573         .get_mode               = palmas_get_mode_smps,
574         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
575         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
576         .list_voltage           = regulator_list_voltage_linear_range,
577         .map_voltage            = regulator_map_voltage_linear_range,
578         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
579 };
580 
581 static struct regulator_ops tps65917_ops_ext_control_smps = {
582         .set_mode               = palmas_set_mode_smps,
583         .get_mode               = palmas_get_mode_smps,
584         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
585         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
586         .list_voltage           = regulator_list_voltage_linear_range,
587         .map_voltage            = regulator_map_voltage_linear_range,
588 };
589 
590 static int palmas_is_enabled_ldo(struct regulator_dev *dev)
591 {
592         int id = rdev_get_id(dev);
593         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
594         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
595         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
596         unsigned int reg;
597 
598         palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, &reg);
599 
600         reg &= PALMAS_LDO1_CTRL_STATUS;
601 
602         return !!(reg);
603 }
604 
605 static struct regulator_ops palmas_ops_ldo = {
606         .is_enabled             = palmas_is_enabled_ldo,
607         .enable                 = regulator_enable_regmap,
608         .disable                = regulator_disable_regmap,
609         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
610         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
611         .list_voltage           = regulator_list_voltage_linear,
612         .map_voltage            = regulator_map_voltage_linear,
613 };
614 
615 static struct regulator_ops palmas_ops_ldo9 = {
616         .is_enabled             = palmas_is_enabled_ldo,
617         .enable                 = regulator_enable_regmap,
618         .disable                = regulator_disable_regmap,
619         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
620         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
621         .list_voltage           = regulator_list_voltage_linear,
622         .map_voltage            = regulator_map_voltage_linear,
623         .set_bypass             = regulator_set_bypass_regmap,
624         .get_bypass             = regulator_get_bypass_regmap,
625 };
626 
627 static struct regulator_ops palmas_ops_ext_control_ldo = {
628         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
629         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
630         .list_voltage           = regulator_list_voltage_linear,
631         .map_voltage            = regulator_map_voltage_linear,
632 };
633 
634 static struct regulator_ops palmas_ops_extreg = {
635         .is_enabled             = regulator_is_enabled_regmap,
636         .enable                 = regulator_enable_regmap,
637         .disable                = regulator_disable_regmap,
638 };
639 
640 static struct regulator_ops palmas_ops_ext_control_extreg = {
641 };
642 
643 static struct regulator_ops tps65917_ops_ldo = {
644         .is_enabled             = palmas_is_enabled_ldo,
645         .enable                 = regulator_enable_regmap,
646         .disable                = regulator_disable_regmap,
647         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
648         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
649         .list_voltage           = regulator_list_voltage_linear,
650         .map_voltage            = regulator_map_voltage_linear,
651         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
652 };
653 
654 static struct regulator_ops tps65917_ops_ldo_1_2 = {
655         .is_enabled             = palmas_is_enabled_ldo,
656         .enable                 = regulator_enable_regmap,
657         .disable                = regulator_disable_regmap,
658         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
659         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
660         .list_voltage           = regulator_list_voltage_linear,
661         .map_voltage            = regulator_map_voltage_linear,
662         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
663         .set_bypass             = regulator_set_bypass_regmap,
664         .get_bypass             = regulator_get_bypass_regmap,
665 };
666 
667 static int palmas_regulator_config_external(struct palmas *palmas, int id,
668                 struct palmas_reg_init *reg_init)
669 {
670         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
671         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
672         int ret;
673 
674         ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id,
675                                             reg_init->roof_floor, true);
676         if (ret < 0)
677                 dev_err(palmas->dev,
678                         "Ext control config for regulator %d failed %d\n",
679                         id, ret);
680         return ret;
681 }
682 
683 /*
684  * setup the hardware based sleep configuration of the SMPS/LDO regulators
685  * from the platform data. This is different to the software based control
686  * supported by the regulator framework as it is controlled by toggling
687  * pins on the PMIC such as PREQ, SYSEN, ...
688  */
689 static int palmas_smps_init(struct palmas *palmas, int id,
690                 struct palmas_reg_init *reg_init)
691 {
692         unsigned int reg;
693         int ret;
694         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
695         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
696         unsigned int addr = rinfo->ctrl_addr;
697 
698         ret = palmas_smps_read(palmas, addr, &reg);
699         if (ret)
700                 return ret;
701 
702         switch (id) {
703         case PALMAS_REG_SMPS10_OUT1:
704         case PALMAS_REG_SMPS10_OUT2:
705                 reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
706                 if (reg_init->mode_sleep)
707                         reg |= reg_init->mode_sleep <<
708                                         PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
709                 break;
710         default:
711                 if (reg_init->warm_reset)
712                         reg |= PALMAS_SMPS12_CTRL_WR_S;
713                 else
714                         reg &= ~PALMAS_SMPS12_CTRL_WR_S;
715 
716                 if (reg_init->roof_floor)
717                         reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
718                 else
719                         reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
720 
721                 reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
722                 if (reg_init->mode_sleep)
723                         reg |= reg_init->mode_sleep <<
724                                         PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
725         }
726 
727         ret = palmas_smps_write(palmas, addr, reg);
728         if (ret)
729                 return ret;
730 
731         if (rinfo->vsel_addr && reg_init->vsel) {
732 
733                 reg = reg_init->vsel;
734 
735                 ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg);
736                 if (ret)
737                         return ret;
738         }
739 
740         if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) &&
741                         (id != PALMAS_REG_SMPS10_OUT2)) {
742                 /* Enable externally controlled regulator */
743                 ret = palmas_smps_read(palmas, addr, &reg);
744                 if (ret < 0)
745                         return ret;
746 
747                 if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) {
748                         reg |= SMPS_CTRL_MODE_ON;
749                         ret = palmas_smps_write(palmas, addr, reg);
750                         if (ret < 0)
751                                 return ret;
752                 }
753                 return palmas_regulator_config_external(palmas, id, reg_init);
754         }
755         return 0;
756 }
757 
758 static int palmas_ldo_init(struct palmas *palmas, int id,
759                 struct palmas_reg_init *reg_init)
760 {
761         unsigned int reg;
762         unsigned int addr;
763         int ret;
764         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
765         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
766 
767         addr = rinfo->ctrl_addr;
768 
769         ret = palmas_ldo_read(palmas, addr, &reg);
770         if (ret)
771                 return ret;
772 
773         if (reg_init->warm_reset)
774                 reg |= PALMAS_LDO1_CTRL_WR_S;
775         else
776                 reg &= ~PALMAS_LDO1_CTRL_WR_S;
777 
778         if (reg_init->mode_sleep)
779                 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
780         else
781                 reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
782 
783         ret = palmas_ldo_write(palmas, addr, reg);
784         if (ret)
785                 return ret;
786 
787         if (reg_init->roof_floor) {
788                 /* Enable externally controlled regulator */
789                 ret = palmas_update_bits(palmas, PALMAS_LDO_BASE,
790                                 addr, PALMAS_LDO1_CTRL_MODE_ACTIVE,
791                                 PALMAS_LDO1_CTRL_MODE_ACTIVE);
792                 if (ret < 0) {
793                         dev_err(palmas->dev,
794                                 "LDO Register 0x%02x update failed %d\n",
795                                 addr, ret);
796                         return ret;
797                 }
798                 return palmas_regulator_config_external(palmas, id, reg_init);
799         }
800         return 0;
801 }
802 
803 static int palmas_extreg_init(struct palmas *palmas, int id,
804                 struct palmas_reg_init *reg_init)
805 {
806         unsigned int addr;
807         int ret;
808         unsigned int val = 0;
809         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
810         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
811 
812         addr = rinfo->ctrl_addr;
813 
814         if (reg_init->mode_sleep)
815                 val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
816 
817         ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
818                         addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
819         if (ret < 0) {
820                 dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
821                         addr, ret);
822                 return ret;
823         }
824 
825         if (reg_init->roof_floor) {
826                 /* Enable externally controlled regulator */
827                 ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
828                                 addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE,
829                                 PALMAS_REGEN1_CTRL_MODE_ACTIVE);
830                 if (ret < 0) {
831                         dev_err(palmas->dev,
832                                 "Resource Register 0x%02x update failed %d\n",
833                                 addr, ret);
834                         return ret;
835                 }
836                 return palmas_regulator_config_external(palmas, id, reg_init);
837         }
838         return 0;
839 }
840 
841 static void palmas_enable_ldo8_track(struct palmas *palmas)
842 {
843         unsigned int reg;
844         unsigned int addr;
845         int ret;
846         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
847         struct palmas_regs_info *rinfo;
848 
849         rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8];
850         addr = rinfo->ctrl_addr;
851 
852         ret = palmas_ldo_read(palmas, addr, &reg);
853         if (ret) {
854                 dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
855                 return;
856         }
857 
858         reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
859         ret = palmas_ldo_write(palmas, addr, reg);
860         if (ret < 0) {
861                 dev_err(palmas->dev, "Error in enabling tracking mode\n");
862                 return;
863         }
864         /*
865          * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
866          * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
867          * and can be set from 0.45 to 1.65 V.
868          */
869         addr = rinfo->vsel_addr;
870         ret = palmas_ldo_read(palmas, addr, &reg);
871         if (ret) {
872                 dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
873                 return;
874         }
875 
876         reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
877         ret = palmas_ldo_write(palmas, addr, reg);
878         if (ret < 0)
879                 dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
880 
881         return;
882 }
883 
884 static int palmas_ldo_registration(struct palmas_pmic *pmic,
885                                    struct palmas_pmic_driver_data *ddata,
886                                    struct palmas_pmic_platform_data *pdata,
887                                    const char *pdev_name,
888                                    struct regulator_config config)
889 {
890         int id, ret;
891         struct regulator_dev *rdev;
892         struct palmas_reg_init *reg_init;
893         struct palmas_regs_info *rinfo;
894         struct regulator_desc *desc;
895 
896         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
897                 if (pdata && pdata->reg_init[id])
898                         reg_init = pdata->reg_init[id];
899                 else
900                         reg_init = NULL;
901 
902                 rinfo = &ddata->palmas_regs_info[id];
903                 /* Miss out regulators which are not available due
904                  * to alternate functions.
905                  */
906 
907                 /* Register the regulators */
908                 desc = &pmic->desc[id];
909                 desc->name = rinfo->name;
910                 desc->id = id;
911                 desc->type = REGULATOR_VOLTAGE;
912                 desc->owner = THIS_MODULE;
913 
914                 if (id < PALMAS_REG_REGEN1) {
915                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
916                         if (reg_init && reg_init->roof_floor)
917                                 desc->ops = &palmas_ops_ext_control_ldo;
918                         else
919                                 desc->ops = &palmas_ops_ldo;
920                         desc->min_uV = 900000;
921                         desc->uV_step = 50000;
922                         desc->linear_min_sel = 1;
923                         desc->enable_time = 500;
924                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
925                                                             rinfo->vsel_addr);
926                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
927                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
928                                                               rinfo->ctrl_addr);
929                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
930 
931                         /* Check if LDO8 is in tracking mode or not */
932                         if (pdata && (id == PALMAS_REG_LDO8) &&
933                             pdata->enable_ldo8_tracking) {
934                                 palmas_enable_ldo8_track(pmic->palmas);
935                                 desc->min_uV = 450000;
936                                 desc->uV_step = 25000;
937                         }
938 
939                         /* LOD6 in vibrator mode will have enable time 2000us */
940                         if (pdata && pdata->ldo6_vibrator &&
941                             (id == PALMAS_REG_LDO6))
942                                 desc->enable_time = 2000;
943 
944                         if (id == PALMAS_REG_LDO9) {
945                                 desc->ops = &palmas_ops_ldo9;
946                                 desc->bypass_reg = desc->enable_reg;
947                                 desc->bypass_val_on =
948                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
949                                 desc->bypass_mask =
950                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
951                         }
952                 } else {
953                         if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
954                                 continue;
955 
956                         desc->n_voltages = 1;
957                         if (reg_init && reg_init->roof_floor)
958                                 desc->ops = &palmas_ops_ext_control_extreg;
959                         else
960                                 desc->ops = &palmas_ops_extreg;
961                         desc->enable_reg =
962                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
963                                                            rinfo->ctrl_addr);
964                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
965                 }
966 
967                 if (pdata)
968                         config.init_data = pdata->reg_data[id];
969                 else
970                         config.init_data = NULL;
971 
972                 desc->supply_name = rinfo->sname;
973                 config.of_node = ddata->palmas_matches[id].of_node;
974 
975                 rdev = devm_regulator_register(pmic->dev, desc, &config);
976                 if (IS_ERR(rdev)) {
977                         dev_err(pmic->dev,
978                                 "failed to register %s regulator\n",
979                                 pdev_name);
980                         return PTR_ERR(rdev);
981                 }
982 
983                 /* Save regulator for cleanup */
984                 pmic->rdev[id] = rdev;
985 
986                 /* Initialise sleep/init values from platform data */
987                 if (pdata) {
988                         reg_init = pdata->reg_init[id];
989                         if (reg_init) {
990                                 if (id <= ddata->ldo_end)
991                                         ret = palmas_ldo_init(pmic->palmas, id,
992                                                               reg_init);
993                                 else
994                                         ret = palmas_extreg_init(pmic->palmas,
995                                                                  id, reg_init);
996                                 if (ret)
997                                         return ret;
998                         }
999                 }
1000         }
1001 
1002         return 0;
1003 }
1004 
1005 static int tps65917_ldo_registration(struct palmas_pmic *pmic,
1006                                      struct palmas_pmic_driver_data *ddata,
1007                                      struct palmas_pmic_platform_data *pdata,
1008                                      const char *pdev_name,
1009                                      struct regulator_config config)
1010 {
1011         int id, ret;
1012         struct regulator_dev *rdev;
1013         struct palmas_reg_init *reg_init;
1014         struct palmas_regs_info *rinfo;
1015         struct regulator_desc *desc;
1016 
1017         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
1018                 if (pdata && pdata->reg_init[id])
1019                         reg_init = pdata->reg_init[id];
1020                 else
1021                         reg_init = NULL;
1022 
1023                 /* Miss out regulators which are not available due
1024                  * to alternate functions.
1025                  */
1026                 rinfo = &ddata->palmas_regs_info[id];
1027 
1028                 /* Register the regulators */
1029                 desc = &pmic->desc[id];
1030                 desc->name = rinfo->name;
1031                 desc->id = id;
1032                 desc->type = REGULATOR_VOLTAGE;
1033                 desc->owner = THIS_MODULE;
1034 
1035                 if (id < TPS65917_REG_REGEN1) {
1036                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
1037                         if (reg_init && reg_init->roof_floor)
1038                                 desc->ops = &palmas_ops_ext_control_ldo;
1039                         else
1040                                 desc->ops = &tps65917_ops_ldo;
1041                         desc->min_uV = 900000;
1042                         desc->uV_step = 50000;
1043                         desc->linear_min_sel = 1;
1044                         desc->enable_time = 500;
1045                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1046                                                             rinfo->vsel_addr);
1047                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
1048                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1049                                                               rinfo->ctrl_addr);
1050                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
1051                         /*
1052                          * To be confirmed. Discussion on going with PMIC Team.
1053                          * It is of the order of ~60mV/uS.
1054                          */
1055                         desc->ramp_delay = 2500;
1056                         if (id == TPS65917_REG_LDO1 ||
1057                             id == TPS65917_REG_LDO2) {
1058                                 desc->ops = &tps65917_ops_ldo_1_2;
1059                                 desc->bypass_reg = desc->enable_reg;
1060                                 desc->bypass_val_on =
1061                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1062                                 desc->bypass_mask =
1063                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1064                         }
1065                 } else {
1066                         desc->n_voltages = 1;
1067                         if (reg_init && reg_init->roof_floor)
1068                                 desc->ops = &palmas_ops_ext_control_extreg;
1069                         else
1070                                 desc->ops = &palmas_ops_extreg;
1071                         desc->enable_reg =
1072                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
1073                                                            rinfo->ctrl_addr);
1074                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
1075                 }
1076 
1077                 if (pdata)
1078                         config.init_data = pdata->reg_data[id];
1079                 else
1080                         config.init_data = NULL;
1081 
1082                 desc->supply_name = rinfo->sname;
1083                 config.of_node = ddata->palmas_matches[id].of_node;
1084 
1085                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1086                 if (IS_ERR(rdev)) {
1087                         dev_err(pmic->dev,
1088                                 "failed to register %s regulator\n",
1089                                 pdev_name);
1090                         return PTR_ERR(rdev);
1091                 }
1092 
1093                 /* Save regulator for cleanup */
1094                 pmic->rdev[id] = rdev;
1095 
1096                 /* Initialise sleep/init values from platform data */
1097                 if (pdata) {
1098                         reg_init = pdata->reg_init[id];
1099                         if (reg_init) {
1100                                 if (id < TPS65917_REG_REGEN1)
1101                                         ret = palmas_ldo_init(pmic->palmas,
1102                                                               id, reg_init);
1103                                 else
1104                                         ret = palmas_extreg_init(pmic->palmas,
1105                                                                  id, reg_init);
1106                                 if (ret)
1107                                         return ret;
1108                         }
1109                 }
1110         }
1111 
1112         return 0;
1113 }
1114 
1115 static int palmas_smps_registration(struct palmas_pmic *pmic,
1116                                     struct palmas_pmic_driver_data *ddata,
1117                                     struct palmas_pmic_platform_data *pdata,
1118                                     const char *pdev_name,
1119                                     struct regulator_config config)
1120 {
1121         int id, ret;
1122         unsigned int addr, reg;
1123         struct regulator_dev *rdev;
1124         struct palmas_reg_init *reg_init;
1125         struct palmas_regs_info *rinfo;
1126         struct regulator_desc *desc;
1127 
1128         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1129                 bool ramp_delay_support = false;
1130 
1131                 /*
1132                  * Miss out regulators which are not available due
1133                  * to slaving configurations.
1134                  */
1135                 switch (id) {
1136                 case PALMAS_REG_SMPS12:
1137                 case PALMAS_REG_SMPS3:
1138                         if (pmic->smps123)
1139                                 continue;
1140                         if (id == PALMAS_REG_SMPS12)
1141                                 ramp_delay_support = true;
1142                         break;
1143                 case PALMAS_REG_SMPS123:
1144                         if (!pmic->smps123)
1145                                 continue;
1146                         ramp_delay_support = true;
1147                         break;
1148                 case PALMAS_REG_SMPS45:
1149                 case PALMAS_REG_SMPS7:
1150                         if (pmic->smps457)
1151                                 continue;
1152                         if (id == PALMAS_REG_SMPS45)
1153                                 ramp_delay_support = true;
1154                         break;
1155                 case PALMAS_REG_SMPS457:
1156                         if (!pmic->smps457)
1157                                 continue;
1158                         ramp_delay_support = true;
1159                         break;
1160                 case PALMAS_REG_SMPS10_OUT1:
1161                 case PALMAS_REG_SMPS10_OUT2:
1162                         if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST))
1163                                 continue;
1164                 }
1165                 rinfo = &ddata->palmas_regs_info[id];
1166                 desc = &pmic->desc[id];
1167 
1168                 if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
1169                         ramp_delay_support = true;
1170 
1171                 if (ramp_delay_support) {
1172                         addr = rinfo->tstep_addr;
1173                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1174                         if (ret < 0) {
1175                                 dev_err(pmic->dev,
1176                                         "reading TSTEP reg failed: %d\n", ret);
1177                                 return ret;
1178                         }
1179                         desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3];
1180                         pmic->ramp_delay[id] = desc->ramp_delay;
1181                 }
1182 
1183                 /* Initialise sleep/init values from platform data */
1184                 if (pdata && pdata->reg_init[id]) {
1185                         reg_init = pdata->reg_init[id];
1186                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1187                         if (ret)
1188                                 return ret;
1189                 } else {
1190                         reg_init = NULL;
1191                 }
1192 
1193                 /* Register the regulators */
1194                 desc->name = rinfo->name;
1195                 desc->id = id;
1196 
1197                 switch (id) {
1198                 case PALMAS_REG_SMPS10_OUT1:
1199                 case PALMAS_REG_SMPS10_OUT2:
1200                         desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
1201                         desc->ops = &palmas_ops_smps10;
1202                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1203                                                             PALMAS_SMPS10_CTRL);
1204                         desc->vsel_mask = SMPS10_VSEL;
1205                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1206                                                             PALMAS_SMPS10_CTRL);
1207                         if (id == PALMAS_REG_SMPS10_OUT1)
1208                                 desc->enable_mask = SMPS10_SWITCH_EN;
1209                         else
1210                                 desc->enable_mask = SMPS10_BOOST_EN;
1211                         desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1212                                                             PALMAS_SMPS10_CTRL);
1213                         desc->bypass_val_on = SMPS10_BYPASS_EN;
1214                         desc->bypass_mask = SMPS10_BYPASS_EN;
1215                         desc->min_uV = 3750000;
1216                         desc->uV_step = 1250000;
1217                         break;
1218                 default:
1219                         /*
1220                          * Read and store the RANGE bit for later use
1221                          * This must be done before regulator is probed,
1222                          * otherwise we error in probe with unsupportable
1223                          * ranges. Read the current smps mode for later use.
1224                          */
1225                         addr = rinfo->vsel_addr;
1226                         desc->n_linear_ranges = 3;
1227 
1228                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1229                         if (ret)
1230                                 return ret;
1231                         if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
1232                                 pmic->range[id] = 1;
1233                         if (pmic->range[id])
1234                                 desc->linear_ranges = smps_high_ranges;
1235                         else
1236                                 desc->linear_ranges = smps_low_ranges;
1237 
1238                         if (reg_init && reg_init->roof_floor)
1239                                 desc->ops = &palmas_ops_ext_control_smps;
1240                         else
1241                                 desc->ops = &palmas_ops_smps;
1242                         desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1243                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1244                                                             rinfo->vsel_addr);
1245                         desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1246 
1247                         /* Read the smps mode for later use. */
1248                         addr = rinfo->ctrl_addr;
1249                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1250                         if (ret)
1251                                 return ret;
1252                         pmic->current_reg_mode[id] = reg &
1253                                         PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1254 
1255                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1256                                                               rinfo->ctrl_addr);
1257                         desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1258                         /* set_mode overrides this value */
1259                         desc->enable_val = SMPS_CTRL_MODE_ON;
1260                 }
1261 
1262                 desc->type = REGULATOR_VOLTAGE;
1263                 desc->owner = THIS_MODULE;
1264 
1265                 if (pdata)
1266                         config.init_data = pdata->reg_data[id];
1267                 else
1268                         config.init_data = NULL;
1269 
1270                 desc->supply_name = rinfo->sname;
1271                 config.of_node = ddata->palmas_matches[id].of_node;
1272 
1273                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1274                 if (IS_ERR(rdev)) {
1275                         dev_err(pmic->dev,
1276                                 "failed to register %s regulator\n",
1277                                 pdev_name);
1278                         return PTR_ERR(rdev);
1279                 }
1280 
1281                 /* Save regulator for cleanup */
1282                 pmic->rdev[id] = rdev;
1283         }
1284 
1285         return 0;
1286 }
1287 
1288 static int tps65917_smps_registration(struct palmas_pmic *pmic,
1289                                       struct palmas_pmic_driver_data *ddata,
1290                                       struct palmas_pmic_platform_data *pdata,
1291                                       const char *pdev_name,
1292                                       struct regulator_config config)
1293 {
1294         int id, ret;
1295         unsigned int addr, reg;
1296         struct regulator_dev *rdev;
1297         struct palmas_reg_init *reg_init;
1298         struct palmas_regs_info *rinfo;
1299         struct regulator_desc *desc;
1300 
1301         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1302                 /*
1303                  * Miss out regulators which are not available due
1304                  * to slaving configurations.
1305                  */
1306                 desc = &pmic->desc[id];
1307                 desc->n_linear_ranges = 3;
1308                 if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
1309                         continue;
1310 
1311                 /* Initialise sleep/init values from platform data */
1312                 if (pdata && pdata->reg_init[id]) {
1313                         reg_init = pdata->reg_init[id];
1314                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1315                         if (ret)
1316                                 return ret;
1317                 } else {
1318                         reg_init = NULL;
1319                 }
1320                 rinfo = &ddata->palmas_regs_info[id];
1321 
1322                 /* Register the regulators */
1323                 desc->name = rinfo->name;
1324                 desc->id = id;
1325 
1326                 /*
1327                  * Read and store the RANGE bit for later use
1328                  * This must be done before regulator is probed,
1329                  * otherwise we error in probe with unsupportable
1330                  * ranges. Read the current smps mode for later use.
1331                  */
1332                 addr = rinfo->vsel_addr;
1333 
1334                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1335                 if (ret)
1336                         return ret;
1337                 if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
1338                         pmic->range[id] = 1;
1339 
1340                 if (pmic->range[id])
1341                         desc->linear_ranges = smps_high_ranges;
1342                 else
1343                         desc->linear_ranges = smps_low_ranges;
1344 
1345                 if (reg_init && reg_init->roof_floor)
1346                         desc->ops = &tps65917_ops_ext_control_smps;
1347                 else
1348                         desc->ops = &tps65917_ops_smps;
1349                 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1350                 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1351                                                     rinfo->vsel_addr);
1352                 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1353                 desc->ramp_delay = 2500;
1354 
1355                 /* Read the smps mode for later use. */
1356                 addr = rinfo->ctrl_addr;
1357                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1358                 if (ret)
1359                         return ret;
1360                 pmic->current_reg_mode[id] = reg &
1361                                 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1362                 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1363                                                       rinfo->ctrl_addr);
1364                 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1365                 /* set_mode overrides this value */
1366                 desc->enable_val = SMPS_CTRL_MODE_ON;
1367 
1368                 desc->type = REGULATOR_VOLTAGE;
1369                 desc->owner = THIS_MODULE;
1370 
1371                 if (pdata)
1372                         config.init_data = pdata->reg_data[id];
1373                 else
1374                         config.init_data = NULL;
1375 
1376                 desc->supply_name = rinfo->sname;
1377                 config.of_node = ddata->palmas_matches[id].of_node;
1378 
1379                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1380                 if (IS_ERR(rdev)) {
1381                         dev_err(pmic->dev,
1382                                 "failed to register %s regulator\n",
1383                                 pdev_name);
1384                         return PTR_ERR(rdev);
1385                 }
1386 
1387                 /* Save regulator for cleanup */
1388                 pmic->rdev[id] = rdev;
1389         }
1390 
1391         return 0;
1392 }
1393 
1394 static struct of_regulator_match palmas_matches[] = {
1395         { .name = "smps12", },
1396         { .name = "smps123", },
1397         { .name = "smps3", },
1398         { .name = "smps45", },
1399         { .name = "smps457", },
1400         { .name = "smps6", },
1401         { .name = "smps7", },
1402         { .name = "smps8", },
1403         { .name = "smps9", },
1404         { .name = "smps10_out2", },
1405         { .name = "smps10_out1", },
1406         { .name = "ldo1", },
1407         { .name = "ldo2", },
1408         { .name = "ldo3", },
1409         { .name = "ldo4", },
1410         { .name = "ldo5", },
1411         { .name = "ldo6", },
1412         { .name = "ldo7", },
1413         { .name = "ldo8", },
1414         { .name = "ldo9", },
1415         { .name = "ldoln", },
1416         { .name = "ldousb", },
1417         { .name = "regen1", },
1418         { .name = "regen2", },
1419         { .name = "regen3", },
1420         { .name = "sysen1", },
1421         { .name = "sysen2", },
1422 };
1423 
1424 static struct of_regulator_match tps65917_matches[] = {
1425         { .name = "smps1", },
1426         { .name = "smps2", },
1427         { .name = "smps3", },
1428         { .name = "smps4", },
1429         { .name = "smps5", },
1430         { .name = "ldo1", },
1431         { .name = "ldo2", },
1432         { .name = "ldo3", },
1433         { .name = "ldo4", },
1434         { .name = "ldo5", },
1435         { .name = "regen1", },
1436         { .name = "regen2", },
1437         { .name = "regen3", },
1438         { .name = "sysen1", },
1439         { .name = "sysen2", },
1440 };
1441 
1442 static struct palmas_pmic_driver_data palmas_ddata = {
1443         .smps_start = PALMAS_REG_SMPS12,
1444         .smps_end = PALMAS_REG_SMPS10_OUT1,
1445         .ldo_begin = PALMAS_REG_LDO1,
1446         .ldo_end = PALMAS_REG_LDOUSB,
1447         .max_reg = PALMAS_NUM_REGS,
1448         .has_regen3 = true,
1449         .palmas_regs_info = palmas_generic_regs_info,
1450         .palmas_matches = palmas_matches,
1451         .sleep_req_info = palma_sleep_req_info,
1452         .smps_register = palmas_smps_registration,
1453         .ldo_register = palmas_ldo_registration,
1454 };
1455 
1456 static struct palmas_pmic_driver_data tps65917_ddata = {
1457         .smps_start = TPS65917_REG_SMPS1,
1458         .smps_end = TPS65917_REG_SMPS5,
1459         .ldo_begin = TPS65917_REG_LDO1,
1460         .ldo_end = TPS65917_REG_LDO5,
1461         .max_reg = TPS65917_NUM_REGS,
1462         .has_regen3 = true,
1463         .palmas_regs_info = tps65917_regs_info,
1464         .palmas_matches = tps65917_matches,
1465         .sleep_req_info = tps65917_sleep_req_info,
1466         .smps_register = tps65917_smps_registration,
1467         .ldo_register = tps65917_ldo_registration,
1468 };
1469 
1470 static int palmas_dt_to_pdata(struct device *dev,
1471                               struct device_node *node,
1472                               struct palmas_pmic_platform_data *pdata,
1473                               struct palmas_pmic_driver_data *ddata)
1474 {
1475         struct device_node *regulators;
1476         u32 prop;
1477         int idx, ret;
1478 
1479         regulators = of_get_child_by_name(node, "regulators");
1480         if (!regulators) {
1481                 dev_info(dev, "regulator node not found\n");
1482                 return 0;
1483         }
1484 
1485         ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
1486                                  ddata->max_reg);
1487         of_node_put(regulators);
1488         if (ret < 0) {
1489                 dev_err(dev, "Error parsing regulator init data: %d\n", ret);
1490                 return 0;
1491         }
1492 
1493         for (idx = 0; idx < ddata->max_reg; idx++) {
1494                 static struct of_regulator_match *match;
1495                 struct palmas_reg_init *rinit;
1496                 struct device_node *np;
1497 
1498                 match = &ddata->palmas_matches[idx];
1499                 np = match->of_node;
1500 
1501                 if (!match->init_data || !np)
1502                         continue;
1503 
1504                 rinit = devm_kzalloc(dev, sizeof(*rinit), GFP_KERNEL);
1505                 if (!rinit)
1506                         return -ENOMEM;
1507 
1508                 pdata->reg_data[idx] = match->init_data;
1509                 pdata->reg_init[idx] = rinit;
1510 
1511                 rinit->warm_reset = of_property_read_bool(np, "ti,warm-reset");
1512                 ret = of_property_read_u32(np, "ti,roof-floor", &prop);
1513                 /* EINVAL: Property not found */
1514                 if (ret != -EINVAL) {
1515                         int econtrol;
1516 
1517                         /* use default value, when no value is specified */
1518                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1519                         if (!ret) {
1520                                 switch (prop) {
1521                                 case 1:
1522                                         econtrol = PALMAS_EXT_CONTROL_ENABLE1;
1523                                         break;
1524                                 case 2:
1525                                         econtrol = PALMAS_EXT_CONTROL_ENABLE2;
1526                                         break;
1527                                 case 3:
1528                                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1529                                         break;
1530                                 default:
1531                                         WARN_ON(1);
1532                                         dev_warn(dev,
1533                                                  "%s: Invalid roof-floor option: %u\n",
1534                                                  match->name, prop);
1535                                         break;
1536                                 }
1537                         }
1538                         rinit->roof_floor = econtrol;
1539                 }
1540 
1541                 ret = of_property_read_u32(np, "ti,mode-sleep", &prop);
1542                 if (!ret)
1543                         rinit->mode_sleep = prop;
1544 
1545                 ret = of_property_read_bool(np, "ti,smps-range");
1546                 if (ret)
1547                         rinit->vsel = PALMAS_SMPS12_VOLTAGE_RANGE;
1548 
1549                 if (idx == PALMAS_REG_LDO8)
1550                         pdata->enable_ldo8_tracking = of_property_read_bool(
1551                                                 np, "ti,enable-ldo8-tracking");
1552         }
1553 
1554         pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
1555 
1556         return 0;
1557 }
1558 
1559 static const struct of_device_id of_palmas_match_tbl[] = {
1560         {
1561                 .compatible = "ti,palmas-pmic",
1562                 .data = &palmas_ddata,
1563         },
1564         {
1565                 .compatible = "ti,twl6035-pmic",
1566                 .data = &palmas_ddata,
1567         },
1568         {
1569                 .compatible = "ti,twl6036-pmic",
1570                 .data = &palmas_ddata,
1571         },
1572         {
1573                 .compatible = "ti,twl6037-pmic",
1574                 .data = &palmas_ddata,
1575         },
1576         {
1577                 .compatible = "ti,tps65913-pmic",
1578                 .data = &palmas_ddata,
1579         },
1580         {
1581                 .compatible = "ti,tps65914-pmic",
1582                 .data = &palmas_ddata,
1583         },
1584         {
1585                 .compatible = "ti,tps80036-pmic",
1586                 .data = &palmas_ddata,
1587         },
1588         {
1589                 .compatible = "ti,tps659038-pmic",
1590                 .data = &palmas_ddata,
1591         },
1592          {
1593                 .compatible = "ti,tps65917-pmic",
1594                 .data = &tps65917_ddata,
1595         },
1596         { /* end */ }
1597 };
1598 
1599 static int palmas_regulators_probe(struct platform_device *pdev)
1600 {
1601         struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
1602         struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
1603         struct device_node *node = pdev->dev.of_node;
1604         struct palmas_pmic_driver_data *driver_data;
1605         struct regulator_config config = { };
1606         struct palmas_pmic *pmic;
1607         const char *pdev_name;
1608         const struct of_device_id *match;
1609         int ret = 0;
1610         unsigned int reg;
1611 
1612         match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev);
1613 
1614         if (!match)
1615                 return -ENODATA;
1616 
1617         driver_data = (struct palmas_pmic_driver_data *)match->data;
1618         pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1619         if (!pdata)
1620                 return -ENOMEM;
1621 
1622         pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1623         if (!pmic)
1624                 return -ENOMEM;
1625 
1626         if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
1627                 palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
1628                                                         TPS659038_REGEN2_CTRL;
1629                 palmas_ddata.has_regen3 = false;
1630         }
1631 
1632         pmic->dev = &pdev->dev;
1633         pmic->palmas = palmas;
1634         palmas->pmic = pmic;
1635         platform_set_drvdata(pdev, pmic);
1636         pmic->palmas->pmic_ddata = driver_data;
1637 
1638         ret = palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
1639         if (ret)
1640                 return ret;
1641 
1642         ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
1643         if (ret)
1644                 return ret;
1645 
1646         if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
1647                 pmic->smps123 = 1;
1648 
1649         if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
1650                 pmic->smps457 = 1;
1651 
1652         config.regmap = palmas->regmap[REGULATOR_SLAVE];
1653         config.dev = &pdev->dev;
1654         config.driver_data = pmic;
1655         pdev_name = pdev->name;
1656 
1657         ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
1658                                          config);
1659         if (ret)
1660                 return ret;
1661 
1662         ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
1663                                         config);
1664 
1665         return ret;
1666 }
1667 
1668 static struct platform_driver palmas_driver = {
1669         .driver = {
1670                 .name = "palmas-pmic",
1671                 .of_match_table = of_palmas_match_tbl,
1672         },
1673         .probe = palmas_regulators_probe,
1674 };
1675 
1676 static int __init palmas_init(void)
1677 {
1678         return platform_driver_register(&palmas_driver);
1679 }
1680 subsys_initcall(palmas_init);
1681 
1682 static void __exit palmas_exit(void)
1683 {
1684         platform_driver_unregister(&palmas_driver);
1685 }
1686 module_exit(palmas_exit);
1687 
1688 MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1689 MODULE_DESCRIPTION("Palmas voltage regulator driver");
1690 MODULE_LICENSE("GPL");
1691 MODULE_ALIAS("platform:palmas-pmic");
1692 MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);
1693 

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