2 * Driver for Regulator part of Palmas PMIC Chips
4 * Copyright 2011-2013 Texas Instruments Inc.
6 * Author: Graeme Gregory <gg@slimlogic.co.uk>
7 * Author: Ian Lartey <ian@slimlogic.co.uk>
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.
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>
27 #include <linux/of_platform.h>
28 #include <linux/regulator/of_regulator.h>
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),
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),
44 static struct palmas_regs_info palmas_generic_regs_info[] = {
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,
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,
64 .vsel_addr = PALMAS_SMPS3_VOLTAGE,
65 .ctrl_addr = PALMAS_SMPS3_CTRL,
66 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS3,
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,
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,
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,
95 .vsel_addr = PALMAS_SMPS7_VOLTAGE,
96 .ctrl_addr = PALMAS_SMPS7_CTRL,
97 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS7,
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,
110 .vsel_addr = PALMAS_SMPS9_VOLTAGE,
111 .ctrl_addr = PALMAS_SMPS9_CTRL,
112 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS9,
115 .name = "SMPS10_OUT2",
116 .sname = "smps10-in",
117 .ctrl_addr = PALMAS_SMPS10_CTRL,
118 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
121 .name = "SMPS10_OUT1",
122 .sname = "smps10-out2",
123 .ctrl_addr = PALMAS_SMPS10_CTRL,
124 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
129 .vsel_addr = PALMAS_LDO1_VOLTAGE,
130 .ctrl_addr = PALMAS_LDO1_CTRL,
131 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO1,
136 .vsel_addr = PALMAS_LDO2_VOLTAGE,
137 .ctrl_addr = PALMAS_LDO2_CTRL,
138 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO2,
143 .vsel_addr = PALMAS_LDO3_VOLTAGE,
144 .ctrl_addr = PALMAS_LDO3_CTRL,
145 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO3,
150 .vsel_addr = PALMAS_LDO4_VOLTAGE,
151 .ctrl_addr = PALMAS_LDO4_CTRL,
152 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO4,
157 .vsel_addr = PALMAS_LDO5_VOLTAGE,
158 .ctrl_addr = PALMAS_LDO5_CTRL,
159 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO5,
164 .vsel_addr = PALMAS_LDO6_VOLTAGE,
165 .ctrl_addr = PALMAS_LDO6_CTRL,
166 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO6,
171 .vsel_addr = PALMAS_LDO7_VOLTAGE,
172 .ctrl_addr = PALMAS_LDO7_CTRL,
173 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO7,
178 .vsel_addr = PALMAS_LDO8_VOLTAGE,
179 .ctrl_addr = PALMAS_LDO8_CTRL,
180 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO8,
185 .vsel_addr = PALMAS_LDO9_VOLTAGE,
186 .ctrl_addr = PALMAS_LDO9_CTRL,
187 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO9,
192 .vsel_addr = PALMAS_LDOLN_VOLTAGE,
193 .ctrl_addr = PALMAS_LDOLN_CTRL,
194 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOLN,
198 .sname = "ldousb-in",
199 .vsel_addr = PALMAS_LDOUSB_VOLTAGE,
200 .ctrl_addr = PALMAS_LDOUSB_CTRL,
201 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOUSB,
205 .ctrl_addr = PALMAS_REGEN1_CTRL,
206 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN1,
210 .ctrl_addr = PALMAS_REGEN2_CTRL,
211 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN2,
215 .ctrl_addr = PALMAS_REGEN3_CTRL,
216 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN3,
220 .ctrl_addr = PALMAS_SYSEN1_CTRL,
221 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN1,
225 .ctrl_addr = PALMAS_SYSEN2_CTRL,
226 .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN2,
230 static struct palmas_regs_info tps65917_regs_info[] = {
234 .vsel_addr = TPS65917_SMPS1_VOLTAGE,
235 .ctrl_addr = TPS65917_SMPS1_CTRL,
236 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS1,
241 .vsel_addr = TPS65917_SMPS2_VOLTAGE,
242 .ctrl_addr = TPS65917_SMPS2_CTRL,
243 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS2,
248 .vsel_addr = TPS65917_SMPS3_VOLTAGE,
249 .ctrl_addr = TPS65917_SMPS3_CTRL,
250 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS3,
255 .vsel_addr = TPS65917_SMPS4_VOLTAGE,
256 .ctrl_addr = TPS65917_SMPS4_CTRL,
257 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS4,
262 .vsel_addr = TPS65917_SMPS5_VOLTAGE,
263 .ctrl_addr = TPS65917_SMPS5_CTRL,
264 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
269 .vsel_addr = TPS65917_LDO1_VOLTAGE,
270 .ctrl_addr = TPS65917_LDO1_CTRL,
271 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO1,
276 .vsel_addr = TPS65917_LDO2_VOLTAGE,
277 .ctrl_addr = TPS65917_LDO2_CTRL,
278 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO2,
283 .vsel_addr = TPS65917_LDO3_VOLTAGE,
284 .ctrl_addr = TPS65917_LDO3_CTRL,
285 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO3,
290 .vsel_addr = TPS65917_LDO4_VOLTAGE,
291 .ctrl_addr = TPS65917_LDO4_CTRL,
292 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO4,
297 .vsel_addr = TPS65917_LDO5_VOLTAGE,
298 .ctrl_addr = TPS65917_LDO5_CTRL,
299 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO5,
303 .ctrl_addr = TPS65917_REGEN1_CTRL,
304 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN1,
308 .ctrl_addr = TPS65917_REGEN2_CTRL,
309 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN2,
313 .ctrl_addr = TPS65917_REGEN3_CTRL,
314 .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN3,
318 #define EXTERNAL_REQUESTOR(_id, _offset, _pos) \
319 [PALMAS_EXTERNAL_REQSTR_ID_##_id] = { \
320 .id = PALMAS_EXTERNAL_REQSTR_ID_##_id, \
321 .reg_offset = _offset, \
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),
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, \
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),
377 static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
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
384 #define PALMAS_SMPS_NUM_VOLTAGES 122
385 #define PALMAS_SMPS10_NUM_VOLTAGES 2
386 #define PALMAS_LDO_NUM_VOLTAGES 50
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)
393 #define REGULATOR_SLAVE 0
395 static int palmas_smps_read(struct palmas *palmas, unsigned int reg,
400 addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
402 return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
405 static int palmas_smps_write(struct palmas *palmas, unsigned int reg,
410 addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
412 return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
415 static int palmas_ldo_read(struct palmas *palmas, unsigned int reg,
420 addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
422 return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
425 static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
430 addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
432 return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
435 static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
437 int id = rdev_get_id(dev);
439 struct palmas_pmic *pmic = rdev_get_drvdata(dev);
440 struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
441 struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
443 bool rail_enable = true;
445 ret = palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, ®);
449 reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
451 if (reg == SMPS_CTRL_MODE_OFF)
455 case REGULATOR_MODE_NORMAL:
456 reg |= SMPS_CTRL_MODE_ON;
458 case REGULATOR_MODE_IDLE:
459 reg |= SMPS_CTRL_MODE_ECO;
461 case REGULATOR_MODE_FAST:
462 reg |= SMPS_CTRL_MODE_PWM;
468 pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
470 palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg);
472 /* Switch the enable value to ensure this is used for enable */
473 pmic->desc[id].enable_val = pmic->current_reg_mode[id];
478 static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
480 struct palmas_pmic *pmic = rdev_get_drvdata(dev);
481 int id = rdev_get_id(dev);
484 reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
487 case SMPS_CTRL_MODE_ON:
488 return REGULATOR_MODE_NORMAL;
489 case SMPS_CTRL_MODE_ECO:
490 return REGULATOR_MODE_IDLE;
491 case SMPS_CTRL_MODE_PWM:
492 return REGULATOR_MODE_FAST;
498 static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
501 int id = rdev_get_id(rdev);
502 struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
503 struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
504 struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
505 unsigned int reg = 0;
508 /* SMPS3 and SMPS7 do not have tstep_addr setting */
510 case PALMAS_REG_SMPS3:
511 case PALMAS_REG_SMPS7:
517 else if (ramp_delay <= 2500)
519 else if (ramp_delay <= 5000)
524 ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg);
526 dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
530 pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
534 static struct regulator_ops palmas_ops_smps = {
535 .is_enabled = regulator_is_enabled_regmap,
536 .enable = regulator_enable_regmap,
537 .disable = regulator_disable_regmap,
538 .set_mode = palmas_set_mode_smps,
539 .get_mode = palmas_get_mode_smps,
540 .get_voltage_sel = regulator_get_voltage_sel_regmap,
541 .set_voltage_sel = regulator_set_voltage_sel_regmap,
542 .list_voltage = regulator_list_voltage_linear_range,
543 .map_voltage = regulator_map_voltage_linear_range,
544 .set_voltage_time_sel = regulator_set_voltage_time_sel,
545 .set_ramp_delay = palmas_smps_set_ramp_delay,
548 static struct regulator_ops palmas_ops_ext_control_smps = {
549 .set_mode = palmas_set_mode_smps,
550 .get_mode = palmas_get_mode_smps,
551 .get_voltage_sel = regulator_get_voltage_sel_regmap,
552 .set_voltage_sel = regulator_set_voltage_sel_regmap,
553 .list_voltage = regulator_list_voltage_linear_range,
554 .map_voltage = regulator_map_voltage_linear_range,
555 .set_voltage_time_sel = regulator_set_voltage_time_sel,
556 .set_ramp_delay = palmas_smps_set_ramp_delay,
559 static struct regulator_ops palmas_ops_smps10 = {
560 .is_enabled = regulator_is_enabled_regmap,
561 .enable = regulator_enable_regmap,
562 .disable = regulator_disable_regmap,
563 .get_voltage_sel = regulator_get_voltage_sel_regmap,
564 .set_voltage_sel = regulator_set_voltage_sel_regmap,
565 .list_voltage = regulator_list_voltage_linear,
566 .map_voltage = regulator_map_voltage_linear,
567 .set_bypass = regulator_set_bypass_regmap,
568 .get_bypass = regulator_get_bypass_regmap,
571 static struct regulator_ops tps65917_ops_smps = {
572 .is_enabled = regulator_is_enabled_regmap,
573 .enable = regulator_enable_regmap,
574 .disable = regulator_disable_regmap,
575 .set_mode = palmas_set_mode_smps,
576 .get_mode = palmas_get_mode_smps,
577 .get_voltage_sel = regulator_get_voltage_sel_regmap,
578 .set_voltage_sel = regulator_set_voltage_sel_regmap,
579 .list_voltage = regulator_list_voltage_linear_range,
580 .map_voltage = regulator_map_voltage_linear_range,
581 .set_voltage_time_sel = regulator_set_voltage_time_sel,
584 static struct regulator_ops tps65917_ops_ext_control_smps = {
585 .set_mode = palmas_set_mode_smps,
586 .get_mode = palmas_get_mode_smps,
587 .get_voltage_sel = regulator_get_voltage_sel_regmap,
588 .set_voltage_sel = regulator_set_voltage_sel_regmap,
589 .list_voltage = regulator_list_voltage_linear_range,
590 .map_voltage = regulator_map_voltage_linear_range,
593 static int palmas_is_enabled_ldo(struct regulator_dev *dev)
595 int id = rdev_get_id(dev);
596 struct palmas_pmic *pmic = rdev_get_drvdata(dev);
597 struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
598 struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
601 palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, ®);
603 reg &= PALMAS_LDO1_CTRL_STATUS;
608 static struct regulator_ops palmas_ops_ldo = {
609 .is_enabled = palmas_is_enabled_ldo,
610 .enable = regulator_enable_regmap,
611 .disable = regulator_disable_regmap,
612 .get_voltage_sel = regulator_get_voltage_sel_regmap,
613 .set_voltage_sel = regulator_set_voltage_sel_regmap,
614 .list_voltage = regulator_list_voltage_linear,
615 .map_voltage = regulator_map_voltage_linear,
618 static struct regulator_ops palmas_ops_ext_control_ldo = {
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,
625 static struct regulator_ops palmas_ops_extreg = {
626 .is_enabled = regulator_is_enabled_regmap,
627 .enable = regulator_enable_regmap,
628 .disable = regulator_disable_regmap,
631 static struct regulator_ops palmas_ops_ext_control_extreg = {
634 static struct regulator_ops tps65917_ops_ldo = {
635 .is_enabled = palmas_is_enabled_ldo,
636 .enable = regulator_enable_regmap,
637 .disable = regulator_disable_regmap,
638 .get_voltage_sel = regulator_get_voltage_sel_regmap,
639 .set_voltage_sel = regulator_set_voltage_sel_regmap,
640 .list_voltage = regulator_list_voltage_linear,
641 .map_voltage = regulator_map_voltage_linear,
642 .set_voltage_time_sel = regulator_set_voltage_time_sel,
645 static int palmas_regulator_config_external(struct palmas *palmas, int id,
646 struct palmas_reg_init *reg_init)
648 struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
649 struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
652 ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id,
653 reg_init->roof_floor, true);
656 "Ext control config for regulator %d failed %d\n",
662 * setup the hardware based sleep configuration of the SMPS/LDO regulators
663 * from the platform data. This is different to the software based control
664 * supported by the regulator framework as it is controlled by toggling
665 * pins on the PMIC such as PREQ, SYSEN, ...
667 static int palmas_smps_init(struct palmas *palmas, int id,
668 struct palmas_reg_init *reg_init)
672 struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
673 struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
674 unsigned int addr = rinfo->ctrl_addr;
676 ret = palmas_smps_read(palmas, addr, ®);
681 case PALMAS_REG_SMPS10_OUT1:
682 case PALMAS_REG_SMPS10_OUT2:
683 reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
684 if (reg_init->mode_sleep)
685 reg |= reg_init->mode_sleep <<
686 PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
689 if (reg_init->warm_reset)
690 reg |= PALMAS_SMPS12_CTRL_WR_S;
692 reg &= ~PALMAS_SMPS12_CTRL_WR_S;
694 if (reg_init->roof_floor)
695 reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
697 reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
699 reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
700 if (reg_init->mode_sleep)
701 reg |= reg_init->mode_sleep <<
702 PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
705 ret = palmas_smps_write(palmas, addr, reg);
709 if (rinfo->vsel_addr && reg_init->vsel) {
711 reg = reg_init->vsel;
713 ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg);
718 if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) &&
719 (id != PALMAS_REG_SMPS10_OUT2)) {
720 /* Enable externally controlled regulator */
721 ret = palmas_smps_read(palmas, addr, ®);
725 if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) {
726 reg |= SMPS_CTRL_MODE_ON;
727 ret = palmas_smps_write(palmas, addr, reg);
731 return palmas_regulator_config_external(palmas, id, reg_init);
736 static int palmas_ldo_init(struct palmas *palmas, int id,
737 struct palmas_reg_init *reg_init)
742 struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
743 struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
745 addr = rinfo->ctrl_addr;
747 ret = palmas_ldo_read(palmas, addr, ®);
751 if (reg_init->warm_reset)
752 reg |= PALMAS_LDO1_CTRL_WR_S;
754 reg &= ~PALMAS_LDO1_CTRL_WR_S;
756 if (reg_init->mode_sleep)
757 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
759 reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
761 ret = palmas_ldo_write(palmas, addr, reg);
765 if (reg_init->roof_floor) {
766 /* Enable externally controlled regulator */
767 ret = palmas_update_bits(palmas, PALMAS_LDO_BASE,
768 addr, PALMAS_LDO1_CTRL_MODE_ACTIVE,
769 PALMAS_LDO1_CTRL_MODE_ACTIVE);
772 "LDO Register 0x%02x update failed %d\n",
776 return palmas_regulator_config_external(palmas, id, reg_init);
781 static int palmas_extreg_init(struct palmas *palmas, int id,
782 struct palmas_reg_init *reg_init)
786 unsigned int val = 0;
787 struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
788 struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
790 addr = rinfo->ctrl_addr;
792 if (reg_init->mode_sleep)
793 val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
795 ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
796 addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
798 dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
803 if (reg_init->roof_floor) {
804 /* Enable externally controlled regulator */
805 ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
806 addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE,
807 PALMAS_REGEN1_CTRL_MODE_ACTIVE);
810 "Resource Register 0x%02x update failed %d\n",
814 return palmas_regulator_config_external(palmas, id, reg_init);
819 static void palmas_enable_ldo8_track(struct palmas *palmas)
824 struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
825 struct palmas_regs_info *rinfo;
827 rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8];
828 addr = rinfo->ctrl_addr;
830 ret = palmas_ldo_read(palmas, addr, ®);
832 dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
836 reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
837 ret = palmas_ldo_write(palmas, addr, reg);
839 dev_err(palmas->dev, "Error in enabling tracking mode\n");
843 * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
844 * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
845 * and can be set from 0.45 to 1.65 V.
847 addr = rinfo->vsel_addr;
848 ret = palmas_ldo_read(palmas, addr, ®);
850 dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
854 reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
855 ret = palmas_ldo_write(palmas, addr, reg);
857 dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
862 static int palmas_ldo_registration(struct palmas_pmic *pmic,
863 struct palmas_pmic_driver_data *ddata,
864 struct palmas_pmic_platform_data *pdata,
865 const char *pdev_name,
866 struct regulator_config config)
869 struct regulator_dev *rdev;
870 struct palmas_reg_init *reg_init;
871 struct palmas_regs_info *rinfo;
872 struct regulator_desc *desc;
874 for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
875 if (pdata && pdata->reg_init[id])
876 reg_init = pdata->reg_init[id];
880 rinfo = &ddata->palmas_regs_info[id];
881 /* Miss out regulators which are not available due
882 * to alternate functions.
885 /* Register the regulators */
886 desc = &pmic->desc[id];
887 desc->name = rinfo->name;
889 desc->type = REGULATOR_VOLTAGE;
890 desc->owner = THIS_MODULE;
892 if (id < PALMAS_REG_REGEN1) {
893 desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
894 if (reg_init && reg_init->roof_floor)
895 desc->ops = &palmas_ops_ext_control_ldo;
897 desc->ops = &palmas_ops_ldo;
898 desc->min_uV = 900000;
899 desc->uV_step = 50000;
900 desc->linear_min_sel = 1;
901 desc->enable_time = 500;
902 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
904 desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
905 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
907 desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
909 /* Check if LDO8 is in tracking mode or not */
910 if (pdata && (id == PALMAS_REG_LDO8) &&
911 pdata->enable_ldo8_tracking) {
912 palmas_enable_ldo8_track(pmic->palmas);
913 desc->min_uV = 450000;
914 desc->uV_step = 25000;
917 /* LOD6 in vibrator mode will have enable time 2000us */
918 if (pdata && pdata->ldo6_vibrator &&
919 (id == PALMAS_REG_LDO6))
920 desc->enable_time = 2000;
922 if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
925 desc->n_voltages = 1;
926 if (reg_init && reg_init->roof_floor)
927 desc->ops = &palmas_ops_ext_control_extreg;
929 desc->ops = &palmas_ops_extreg;
931 PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
933 desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
937 config.init_data = pdata->reg_data[id];
939 config.init_data = NULL;
941 desc->supply_name = rinfo->sname;
942 config.of_node = ddata->palmas_matches[id].of_node;
944 rdev = devm_regulator_register(pmic->dev, desc, &config);
947 "failed to register %s regulator\n",
949 return PTR_ERR(rdev);
952 /* Save regulator for cleanup */
953 pmic->rdev[id] = rdev;
955 /* Initialise sleep/init values from platform data */
957 reg_init = pdata->reg_init[id];
959 if (id <= ddata->ldo_end)
960 ret = palmas_ldo_init(pmic->palmas, id,
963 ret = palmas_extreg_init(pmic->palmas,
974 static int tps65917_ldo_registration(struct palmas_pmic *pmic,
975 struct palmas_pmic_driver_data *ddata,
976 struct palmas_pmic_platform_data *pdata,
977 const char *pdev_name,
978 struct regulator_config config)
981 struct regulator_dev *rdev;
982 struct palmas_reg_init *reg_init;
983 struct palmas_regs_info *rinfo;
984 struct regulator_desc *desc;
986 for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
987 if (pdata && pdata->reg_init[id])
988 reg_init = pdata->reg_init[id];
992 /* Miss out regulators which are not available due
993 * to alternate functions.
995 rinfo = &ddata->palmas_regs_info[id];
997 /* Register the regulators */
998 desc = &pmic->desc[id];
999 desc->name = rinfo->name;
1001 desc->type = REGULATOR_VOLTAGE;
1002 desc->owner = THIS_MODULE;
1004 if (id < TPS65917_REG_REGEN1) {
1005 desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
1006 if (reg_init && reg_init->roof_floor)
1007 desc->ops = &palmas_ops_ext_control_ldo;
1009 desc->ops = &tps65917_ops_ldo;
1010 desc->min_uV = 900000;
1011 desc->uV_step = 50000;
1012 desc->linear_min_sel = 1;
1013 desc->enable_time = 500;
1014 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1016 desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
1017 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1019 desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
1021 * To be confirmed. Discussion on going with PMIC Team.
1022 * It is of the order of ~60mV/uS.
1024 desc->ramp_delay = 2500;
1026 desc->n_voltages = 1;
1027 if (reg_init && reg_init->roof_floor)
1028 desc->ops = &palmas_ops_ext_control_extreg;
1030 desc->ops = &palmas_ops_extreg;
1032 PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
1034 desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
1038 config.init_data = pdata->reg_data[id];
1040 config.init_data = NULL;
1042 desc->supply_name = rinfo->sname;
1043 config.of_node = ddata->palmas_matches[id].of_node;
1045 rdev = devm_regulator_register(pmic->dev, desc, &config);
1048 "failed to register %s regulator\n",
1050 return PTR_ERR(rdev);
1053 /* Save regulator for cleanup */
1054 pmic->rdev[id] = rdev;
1056 /* Initialise sleep/init values from platform data */
1058 reg_init = pdata->reg_init[id];
1060 if (id < TPS65917_REG_REGEN1)
1061 ret = palmas_ldo_init(pmic->palmas,
1064 ret = palmas_extreg_init(pmic->palmas,
1075 static int palmas_smps_registration(struct palmas_pmic *pmic,
1076 struct palmas_pmic_driver_data *ddata,
1077 struct palmas_pmic_platform_data *pdata,
1078 const char *pdev_name,
1079 struct regulator_config config)
1082 unsigned int addr, reg;
1083 struct regulator_dev *rdev;
1084 struct palmas_reg_init *reg_init;
1085 struct palmas_regs_info *rinfo;
1086 struct regulator_desc *desc;
1088 for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1089 bool ramp_delay_support = false;
1092 * Miss out regulators which are not available due
1093 * to slaving configurations.
1096 case PALMAS_REG_SMPS12:
1097 case PALMAS_REG_SMPS3:
1100 if (id == PALMAS_REG_SMPS12)
1101 ramp_delay_support = true;
1103 case PALMAS_REG_SMPS123:
1106 ramp_delay_support = true;
1108 case PALMAS_REG_SMPS45:
1109 case PALMAS_REG_SMPS7:
1112 if (id == PALMAS_REG_SMPS45)
1113 ramp_delay_support = true;
1115 case PALMAS_REG_SMPS457:
1118 ramp_delay_support = true;
1120 case PALMAS_REG_SMPS10_OUT1:
1121 case PALMAS_REG_SMPS10_OUT2:
1122 if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST))
1125 rinfo = &ddata->palmas_regs_info[id];
1126 desc = &pmic->desc[id];
1128 if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
1129 ramp_delay_support = true;
1131 if (ramp_delay_support) {
1132 addr = rinfo->tstep_addr;
1133 ret = palmas_smps_read(pmic->palmas, addr, ®);
1136 "reading TSTEP reg failed: %d\n", ret);
1139 desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3];
1140 pmic->ramp_delay[id] = desc->ramp_delay;
1143 /* Initialise sleep/init values from platform data */
1144 if (pdata && pdata->reg_init[id]) {
1145 reg_init = pdata->reg_init[id];
1146 ret = palmas_smps_init(pmic->palmas, id, reg_init);
1153 /* Register the regulators */
1154 desc->name = rinfo->name;
1158 case PALMAS_REG_SMPS10_OUT1:
1159 case PALMAS_REG_SMPS10_OUT2:
1160 desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
1161 desc->ops = &palmas_ops_smps10;
1162 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1163 PALMAS_SMPS10_CTRL);
1164 desc->vsel_mask = SMPS10_VSEL;
1165 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1166 PALMAS_SMPS10_CTRL);
1167 if (id == PALMAS_REG_SMPS10_OUT1)
1168 desc->enable_mask = SMPS10_SWITCH_EN;
1170 desc->enable_mask = SMPS10_BOOST_EN;
1171 desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1172 PALMAS_SMPS10_CTRL);
1173 desc->bypass_mask = SMPS10_BYPASS_EN;
1174 desc->min_uV = 3750000;
1175 desc->uV_step = 1250000;
1179 * Read and store the RANGE bit for later use
1180 * This must be done before regulator is probed,
1181 * otherwise we error in probe with unsupportable
1182 * ranges. Read the current smps mode for later use.
1184 addr = rinfo->vsel_addr;
1185 desc->n_linear_ranges = 3;
1187 ret = palmas_smps_read(pmic->palmas, addr, ®);
1190 if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
1191 pmic->range[id] = 1;
1192 if (pmic->range[id])
1193 desc->linear_ranges = smps_high_ranges;
1195 desc->linear_ranges = smps_low_ranges;
1197 if (reg_init && reg_init->roof_floor)
1198 desc->ops = &palmas_ops_ext_control_smps;
1200 desc->ops = &palmas_ops_smps;
1201 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1202 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1204 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1206 /* Read the smps mode for later use. */
1207 addr = rinfo->ctrl_addr;
1208 ret = palmas_smps_read(pmic->palmas, addr, ®);
1211 pmic->current_reg_mode[id] = reg &
1212 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1214 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1216 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1217 /* set_mode overrides this value */
1218 desc->enable_val = SMPS_CTRL_MODE_ON;
1221 desc->type = REGULATOR_VOLTAGE;
1222 desc->owner = THIS_MODULE;
1225 config.init_data = pdata->reg_data[id];
1227 config.init_data = NULL;
1229 desc->supply_name = rinfo->sname;
1230 config.of_node = ddata->palmas_matches[id].of_node;
1232 rdev = devm_regulator_register(pmic->dev, desc, &config);
1235 "failed to register %s regulator\n",
1237 return PTR_ERR(rdev);
1240 /* Save regulator for cleanup */
1241 pmic->rdev[id] = rdev;
1247 static int tps65917_smps_registration(struct palmas_pmic *pmic,
1248 struct palmas_pmic_driver_data *ddata,
1249 struct palmas_pmic_platform_data *pdata,
1250 const char *pdev_name,
1251 struct regulator_config config)
1254 unsigned int addr, reg;
1255 struct regulator_dev *rdev;
1256 struct palmas_reg_init *reg_init;
1257 struct palmas_regs_info *rinfo;
1258 struct regulator_desc *desc;
1260 for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1262 * Miss out regulators which are not available due
1263 * to slaving configurations.
1265 desc = &pmic->desc[id];
1266 desc->n_linear_ranges = 3;
1267 if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
1270 /* Initialise sleep/init values from platform data */
1271 if (pdata && pdata->reg_init[id]) {
1272 reg_init = pdata->reg_init[id];
1273 ret = palmas_smps_init(pmic->palmas, id, reg_init);
1279 rinfo = &ddata->palmas_regs_info[id];
1281 /* Register the regulators */
1282 desc->name = rinfo->name;
1286 * Read and store the RANGE bit for later use
1287 * This must be done before regulator is probed,
1288 * otherwise we error in probe with unsupportable
1289 * ranges. Read the current smps mode for later use.
1291 addr = rinfo->vsel_addr;
1293 ret = palmas_smps_read(pmic->palmas, addr, ®);
1296 if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
1297 pmic->range[id] = 1;
1299 if (pmic->range[id])
1300 desc->linear_ranges = smps_high_ranges;
1302 desc->linear_ranges = smps_low_ranges;
1304 if (reg_init && reg_init->roof_floor)
1305 desc->ops = &tps65917_ops_ext_control_smps;
1307 desc->ops = &tps65917_ops_smps;
1308 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1309 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1311 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1312 desc->ramp_delay = 2500;
1314 /* Read the smps mode for later use. */
1315 addr = rinfo->ctrl_addr;
1316 ret = palmas_smps_read(pmic->palmas, addr, ®);
1319 pmic->current_reg_mode[id] = reg &
1320 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1321 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1323 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1324 /* set_mode overrides this value */
1325 desc->enable_val = SMPS_CTRL_MODE_ON;
1327 desc->type = REGULATOR_VOLTAGE;
1328 desc->owner = THIS_MODULE;
1331 config.init_data = pdata->reg_data[id];
1333 config.init_data = NULL;
1335 desc->supply_name = rinfo->sname;
1336 config.of_node = ddata->palmas_matches[id].of_node;
1338 rdev = devm_regulator_register(pmic->dev, desc, &config);
1341 "failed to register %s regulator\n",
1343 return PTR_ERR(rdev);
1346 /* Save regulator for cleanup */
1347 pmic->rdev[id] = rdev;
1353 static struct of_regulator_match palmas_matches[] = {
1354 { .name = "smps12", },
1355 { .name = "smps123", },
1356 { .name = "smps3", },
1357 { .name = "smps45", },
1358 { .name = "smps457", },
1359 { .name = "smps6", },
1360 { .name = "smps7", },
1361 { .name = "smps8", },
1362 { .name = "smps9", },
1363 { .name = "smps10_out2", },
1364 { .name = "smps10_out1", },
1365 { .name = "ldo1", },
1366 { .name = "ldo2", },
1367 { .name = "ldo3", },
1368 { .name = "ldo4", },
1369 { .name = "ldo5", },
1370 { .name = "ldo6", },
1371 { .name = "ldo7", },
1372 { .name = "ldo8", },
1373 { .name = "ldo9", },
1374 { .name = "ldoln", },
1375 { .name = "ldousb", },
1376 { .name = "regen1", },
1377 { .name = "regen2", },
1378 { .name = "regen3", },
1379 { .name = "sysen1", },
1380 { .name = "sysen2", },
1383 static struct of_regulator_match tps65917_matches[] = {
1384 { .name = "smps1", },
1385 { .name = "smps2", },
1386 { .name = "smps3", },
1387 { .name = "smps4", },
1388 { .name = "smps5", },
1389 { .name = "ldo1", },
1390 { .name = "ldo2", },
1391 { .name = "ldo3", },
1392 { .name = "ldo4", },
1393 { .name = "ldo5", },
1394 { .name = "regen1", },
1395 { .name = "regen2", },
1396 { .name = "regen3", },
1397 { .name = "sysen1", },
1398 { .name = "sysen2", },
1401 static struct palmas_pmic_driver_data palmas_ddata = {
1402 .smps_start = PALMAS_REG_SMPS12,
1403 .smps_end = PALMAS_REG_SMPS10_OUT1,
1404 .ldo_begin = PALMAS_REG_LDO1,
1405 .ldo_end = PALMAS_REG_LDOUSB,
1406 .max_reg = PALMAS_NUM_REGS,
1408 .palmas_regs_info = palmas_generic_regs_info,
1409 .palmas_matches = palmas_matches,
1410 .sleep_req_info = palma_sleep_req_info,
1411 .smps_register = palmas_smps_registration,
1412 .ldo_register = palmas_ldo_registration,
1415 static struct palmas_pmic_driver_data tps65917_ddata = {
1416 .smps_start = TPS65917_REG_SMPS1,
1417 .smps_end = TPS65917_REG_SMPS5,
1418 .ldo_begin = TPS65917_REG_LDO1,
1419 .ldo_end = TPS65917_REG_LDO5,
1420 .max_reg = TPS65917_NUM_REGS,
1422 .palmas_regs_info = tps65917_regs_info,
1423 .palmas_matches = tps65917_matches,
1424 .sleep_req_info = tps65917_sleep_req_info,
1425 .smps_register = tps65917_smps_registration,
1426 .ldo_register = tps65917_ldo_registration,
1429 static void palmas_dt_to_pdata(struct device *dev,
1430 struct device_node *node,
1431 struct palmas_pmic_platform_data *pdata,
1432 struct palmas_pmic_driver_data *ddata)
1434 struct device_node *regulators;
1438 regulators = of_get_child_by_name(node, "regulators");
1440 dev_info(dev, "regulator node not found\n");
1444 ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
1446 of_node_put(regulators);
1448 dev_err(dev, "Error parsing regulator init data: %d\n", ret);
1452 for (idx = 0; idx < ddata->max_reg; idx++) {
1453 if (!ddata->palmas_matches[idx].init_data ||
1454 !ddata->palmas_matches[idx].of_node)
1457 pdata->reg_data[idx] = ddata->palmas_matches[idx].init_data;
1459 pdata->reg_init[idx] = devm_kzalloc(dev,
1460 sizeof(struct palmas_reg_init), GFP_KERNEL);
1462 pdata->reg_init[idx]->warm_reset =
1463 of_property_read_bool(ddata->palmas_matches[idx].of_node,
1466 ret = of_property_read_u32(ddata->palmas_matches[idx].of_node,
1467 "ti,roof-floor", &prop);
1468 /* EINVAL: Property not found */
1469 if (ret != -EINVAL) {
1472 /* use default value, when no value is specified */
1473 econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1477 econtrol = PALMAS_EXT_CONTROL_ENABLE1;
1480 econtrol = PALMAS_EXT_CONTROL_ENABLE2;
1483 econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1488 "%s: Invalid roof-floor option: %u\n",
1489 palmas_matches[idx].name, prop);
1493 pdata->reg_init[idx]->roof_floor = econtrol;
1496 ret = of_property_read_u32(ddata->palmas_matches[idx].of_node,
1497 "ti,mode-sleep", &prop);
1499 pdata->reg_init[idx]->mode_sleep = prop;
1501 ret = of_property_read_bool(ddata->palmas_matches[idx].of_node,
1504 pdata->reg_init[idx]->vsel =
1505 PALMAS_SMPS12_VOLTAGE_RANGE;
1507 if (idx == PALMAS_REG_LDO8)
1508 pdata->enable_ldo8_tracking = of_property_read_bool(
1509 ddata->palmas_matches[idx].of_node,
1510 "ti,enable-ldo8-tracking");
1513 pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
1516 static const struct of_device_id of_palmas_match_tbl[] = {
1518 .compatible = "ti,palmas-pmic",
1519 .data = &palmas_ddata,
1522 .compatible = "ti,twl6035-pmic",
1523 .data = &palmas_ddata,
1526 .compatible = "ti,twl6036-pmic",
1527 .data = &palmas_ddata,
1530 .compatible = "ti,twl6037-pmic",
1531 .data = &palmas_ddata,
1534 .compatible = "ti,tps65913-pmic",
1535 .data = &palmas_ddata,
1538 .compatible = "ti,tps65914-pmic",
1539 .data = &palmas_ddata,
1542 .compatible = "ti,tps80036-pmic",
1543 .data = &palmas_ddata,
1546 .compatible = "ti,tps659038-pmic",
1547 .data = &palmas_ddata,
1550 .compatible = "ti,tps65917-pmic",
1551 .data = &tps65917_ddata,
1556 static int palmas_regulators_probe(struct platform_device *pdev)
1558 struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
1559 struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
1560 struct device_node *node = pdev->dev.of_node;
1561 struct palmas_pmic_driver_data *driver_data;
1562 struct regulator_config config = { };
1563 struct palmas_pmic *pmic;
1564 const char *pdev_name;
1565 const struct of_device_id *match;
1569 match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev);
1574 driver_data = (struct palmas_pmic_driver_data *)match->data;
1575 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1579 pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1583 if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
1584 palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
1585 TPS659038_REGEN2_CTRL;
1586 palmas_ddata.has_regen3 = false;
1589 pmic->dev = &pdev->dev;
1590 pmic->palmas = palmas;
1591 palmas->pmic = pmic;
1592 platform_set_drvdata(pdev, pmic);
1593 pmic->palmas->pmic_ddata = driver_data;
1595 palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
1597 ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, ®);
1601 if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
1604 if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
1607 config.regmap = palmas->regmap[REGULATOR_SLAVE];
1608 config.dev = &pdev->dev;
1609 config.driver_data = pmic;
1610 pdev_name = pdev->name;
1612 ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
1617 ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
1623 static struct platform_driver palmas_driver = {
1625 .name = "palmas-pmic",
1626 .of_match_table = of_palmas_match_tbl,
1628 .probe = palmas_regulators_probe,
1631 static int __init palmas_init(void)
1633 return platform_driver_register(&palmas_driver);
1635 subsys_initcall(palmas_init);
1637 static void __exit palmas_exit(void)
1639 platform_driver_unregister(&palmas_driver);
1641 module_exit(palmas_exit);
1643 MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1644 MODULE_DESCRIPTION("Palmas voltage regulator driver");
1645 MODULE_LICENSE("GPL");
1646 MODULE_ALIAS("platform:palmas-pmic");
1647 MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);