2 * Copyright (C) ST-Ericsson SA 2010
4 * License Terms: GNU General Public License v2
6 * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
7 * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
9 * AB8500 peripheral regulators
11 * AB8500 supports the following regulators:
12 * VAUX1/2/3, VINTCORE, VTVOUT, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA
14 #include <linux/init.h>
15 #include <linux/kernel.h>
16 #include <linux/module.h>
17 #include <linux/err.h>
18 #include <linux/platform_device.h>
19 #include <linux/mfd/abx500.h>
20 #include <linux/mfd/abx500/ab8500.h>
22 #include <linux/regulator/of_regulator.h>
23 #include <linux/regulator/driver.h>
24 #include <linux/regulator/machine.h>
25 #include <linux/regulator/ab8500.h>
26 #include <linux/slab.h>
29 * struct ab8500_regulator_info - ab8500 regulator information
30 * @dev: device pointer
31 * @desc: regulator description
32 * @regulator_dev: regulator device
33 * @max_uV: maximum voltage (for variable voltage supplies)
34 * @min_uV: minimum voltage (for variable voltage supplies)
35 * @fixed_uV: typical voltage (for fixed voltage supplies)
36 * @update_bank: bank to control on/off
37 * @update_reg: register to control on/off
38 * @update_mask: mask to enable/disable regulator
39 * @update_val_enable: bits to enable the regulator in normal (high power) mode
40 * @voltage_bank: bank to control regulator voltage
41 * @voltage_reg: register to control regulator voltage
42 * @voltage_mask: mask to control regulator voltage
43 * @voltages: supported voltage table
44 * @voltages_len: number of supported voltages for the regulator
45 * @delay: startup/set voltage delay in us
47 struct ab8500_regulator_info {
49 struct regulator_desc desc;
50 struct regulator_dev *regulator;
66 /* voltage tables for the vauxn/vintcore supplies */
67 static const int ldo_vauxn_voltages[] = {
86 static const int ldo_vaux3_voltages[] = {
97 static const int ldo_vintcore_voltages[] = {
107 static int ab8500_regulator_enable(struct regulator_dev *rdev)
110 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
113 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
117 ret = abx500_mask_and_set_register_interruptible(info->dev,
118 info->update_bank, info->update_reg,
119 info->update_mask, info->update_val_enable);
121 dev_err(rdev_get_dev(rdev),
122 "couldn't set enable bits for regulator\n");
124 dev_vdbg(rdev_get_dev(rdev),
125 "%s-enable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
126 info->desc.name, info->update_bank, info->update_reg,
127 info->update_mask, info->update_val_enable);
132 static int ab8500_regulator_disable(struct regulator_dev *rdev)
135 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
138 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
142 ret = abx500_mask_and_set_register_interruptible(info->dev,
143 info->update_bank, info->update_reg,
144 info->update_mask, 0x0);
146 dev_err(rdev_get_dev(rdev),
147 "couldn't set disable bits for regulator\n");
149 dev_vdbg(rdev_get_dev(rdev),
150 "%s-disable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
151 info->desc.name, info->update_bank, info->update_reg,
152 info->update_mask, 0x0);
157 static int ab8500_regulator_is_enabled(struct regulator_dev *rdev)
160 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
164 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
168 ret = abx500_get_register_interruptible(info->dev,
169 info->update_bank, info->update_reg, ®val);
171 dev_err(rdev_get_dev(rdev),
172 "couldn't read 0x%x register\n", info->update_reg);
176 dev_vdbg(rdev_get_dev(rdev),
177 "%s-is_enabled (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
179 info->desc.name, info->update_bank, info->update_reg,
180 info->update_mask, regval);
182 if (regval & info->update_mask)
188 static int ab8500_list_voltage(struct regulator_dev *rdev, unsigned selector)
190 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
193 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
197 /* return the uV for the fixed regulators */
199 return info->fixed_uV;
201 if (selector >= info->voltages_len)
204 return info->voltages[selector];
207 static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
210 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
214 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
218 ret = abx500_get_register_interruptible(info->dev,
219 info->voltage_bank, info->voltage_reg, ®val);
221 dev_err(rdev_get_dev(rdev),
222 "couldn't read voltage reg for regulator\n");
226 dev_vdbg(rdev_get_dev(rdev),
227 "%s-get_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
229 info->desc.name, info->voltage_bank, info->voltage_reg,
230 info->voltage_mask, regval);
232 /* vintcore has a different layout */
233 val = regval & info->voltage_mask;
234 if (info->desc.id == AB8500_LDO_INTCORE)
240 static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
244 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
248 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
252 /* set the registers for the request */
253 regval = (u8)selector;
254 ret = abx500_mask_and_set_register_interruptible(info->dev,
255 info->voltage_bank, info->voltage_reg,
256 info->voltage_mask, regval);
258 dev_err(rdev_get_dev(rdev),
259 "couldn't set voltage reg for regulator\n");
261 dev_vdbg(rdev_get_dev(rdev),
262 "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
264 info->desc.name, info->voltage_bank, info->voltage_reg,
265 info->voltage_mask, regval);
270 static int ab8500_regulator_enable_time(struct regulator_dev *rdev)
272 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
277 static int ab8500_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
278 unsigned int old_sel,
279 unsigned int new_sel)
281 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
284 /* If the regulator isn't on, it won't take time here */
285 ret = ab8500_regulator_is_enabled(rdev);
293 static struct regulator_ops ab8500_regulator_ops = {
294 .enable = ab8500_regulator_enable,
295 .disable = ab8500_regulator_disable,
296 .is_enabled = ab8500_regulator_is_enabled,
297 .get_voltage_sel = ab8500_regulator_get_voltage_sel,
298 .set_voltage_sel = ab8500_regulator_set_voltage_sel,
299 .list_voltage = ab8500_list_voltage,
300 .enable_time = ab8500_regulator_enable_time,
301 .set_voltage_time_sel = ab8500_regulator_set_voltage_time_sel,
304 static int ab8500_fixed_get_voltage(struct regulator_dev *rdev)
306 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
309 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
313 return info->fixed_uV;
316 static struct regulator_ops ab8500_regulator_fixed_ops = {
317 .enable = ab8500_regulator_enable,
318 .disable = ab8500_regulator_disable,
319 .is_enabled = ab8500_regulator_is_enabled,
320 .get_voltage = ab8500_fixed_get_voltage,
321 .list_voltage = ab8500_list_voltage,
322 .enable_time = ab8500_regulator_enable_time,
323 .set_voltage_time_sel = ab8500_regulator_set_voltage_time_sel,
326 static struct ab8500_regulator_info
327 ab8500_regulator_info[AB8500_NUM_REGULATORS] = {
329 * Variable Voltage Regulators
330 * name, min mV, max mV,
331 * update bank, reg, mask, enable val
332 * volt bank, reg, mask, table, table length
334 [AB8500_LDO_AUX1] = {
337 .ops = &ab8500_regulator_ops,
338 .type = REGULATOR_VOLTAGE,
339 .id = AB8500_LDO_AUX1,
340 .owner = THIS_MODULE,
341 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
348 .update_val_enable = 0x01,
349 .voltage_bank = 0x04,
351 .voltage_mask = 0x0f,
352 .voltages = ldo_vauxn_voltages,
353 .voltages_len = ARRAY_SIZE(ldo_vauxn_voltages),
355 [AB8500_LDO_AUX2] = {
358 .ops = &ab8500_regulator_ops,
359 .type = REGULATOR_VOLTAGE,
360 .id = AB8500_LDO_AUX2,
361 .owner = THIS_MODULE,
362 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
369 .update_val_enable = 0x04,
370 .voltage_bank = 0x04,
372 .voltage_mask = 0x0f,
373 .voltages = ldo_vauxn_voltages,
374 .voltages_len = ARRAY_SIZE(ldo_vauxn_voltages),
376 [AB8500_LDO_AUX3] = {
379 .ops = &ab8500_regulator_ops,
380 .type = REGULATOR_VOLTAGE,
381 .id = AB8500_LDO_AUX3,
382 .owner = THIS_MODULE,
383 .n_voltages = ARRAY_SIZE(ldo_vaux3_voltages),
390 .update_val_enable = 0x01,
391 .voltage_bank = 0x04,
393 .voltage_mask = 0x07,
394 .voltages = ldo_vaux3_voltages,
395 .voltages_len = ARRAY_SIZE(ldo_vaux3_voltages),
397 [AB8500_LDO_INTCORE] = {
399 .name = "LDO-INTCORE",
400 .ops = &ab8500_regulator_ops,
401 .type = REGULATOR_VOLTAGE,
402 .id = AB8500_LDO_INTCORE,
403 .owner = THIS_MODULE,
404 .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages),
411 .update_val_enable = 0x04,
412 .voltage_bank = 0x03,
414 .voltage_mask = 0x38,
415 .voltages = ldo_vintcore_voltages,
416 .voltages_len = ARRAY_SIZE(ldo_vintcore_voltages),
420 * Fixed Voltage Regulators
422 * update bank, reg, mask, enable val
424 [AB8500_LDO_TVOUT] = {
427 .ops = &ab8500_regulator_fixed_ops,
428 .type = REGULATOR_VOLTAGE,
429 .id = AB8500_LDO_TVOUT,
430 .owner = THIS_MODULE,
438 .update_val_enable = 0x02,
443 .ops = &ab8500_regulator_fixed_ops,
444 .type = REGULATOR_VOLTAGE,
445 .id = AB8500_LDO_USB,
446 .owner = THIS_MODULE,
453 .update_val_enable = 0x01,
455 [AB8500_LDO_AUDIO] = {
458 .ops = &ab8500_regulator_fixed_ops,
459 .type = REGULATOR_VOLTAGE,
460 .id = AB8500_LDO_AUDIO,
461 .owner = THIS_MODULE,
468 .update_val_enable = 0x02,
470 [AB8500_LDO_ANAMIC1] = {
472 .name = "LDO-ANAMIC1",
473 .ops = &ab8500_regulator_fixed_ops,
474 .type = REGULATOR_VOLTAGE,
475 .id = AB8500_LDO_ANAMIC1,
476 .owner = THIS_MODULE,
483 .update_val_enable = 0x08,
485 [AB8500_LDO_ANAMIC2] = {
487 .name = "LDO-ANAMIC2",
488 .ops = &ab8500_regulator_fixed_ops,
489 .type = REGULATOR_VOLTAGE,
490 .id = AB8500_LDO_ANAMIC2,
491 .owner = THIS_MODULE,
498 .update_val_enable = 0x10,
500 [AB8500_LDO_DMIC] = {
503 .ops = &ab8500_regulator_fixed_ops,
504 .type = REGULATOR_VOLTAGE,
505 .id = AB8500_LDO_DMIC,
506 .owner = THIS_MODULE,
513 .update_val_enable = 0x04,
518 .ops = &ab8500_regulator_fixed_ops,
519 .type = REGULATOR_VOLTAGE,
520 .id = AB8500_LDO_ANA,
521 .owner = THIS_MODULE,
528 .update_val_enable = 0x04,
534 struct ab8500_reg_init {
540 #define REG_INIT(_id, _bank, _addr, _mask) \
547 static struct ab8500_reg_init ab8500_reg_init[] = {
549 * 0x30, VanaRequestCtrl
550 * 0x0C, VpllRequestCtrl
551 * 0xc0, VextSupply1RequestCtrl
553 REG_INIT(AB8500_REGUREQUESTCTRL2, 0x03, 0x04, 0xfc),
555 * 0x03, VextSupply2RequestCtrl
556 * 0x0c, VextSupply3RequestCtrl
557 * 0x30, Vaux1RequestCtrl
558 * 0xc0, Vaux2RequestCtrl
560 REG_INIT(AB8500_REGUREQUESTCTRL3, 0x03, 0x05, 0xff),
562 * 0x03, Vaux3RequestCtrl
565 REG_INIT(AB8500_REGUREQUESTCTRL4, 0x03, 0x06, 0x07),
567 * 0x08, VanaSysClkReq1HPValid
568 * 0x20, Vaux1SysClkReq1HPValid
569 * 0x40, Vaux2SysClkReq1HPValid
570 * 0x80, Vaux3SysClkReq1HPValid
572 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xe8),
574 * 0x10, VextSupply1SysClkReq1HPValid
575 * 0x20, VextSupply2SysClkReq1HPValid
576 * 0x40, VextSupply3SysClkReq1HPValid
578 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x70),
580 * 0x08, VanaHwHPReq1Valid
581 * 0x20, Vaux1HwHPReq1Valid
582 * 0x40, Vaux2HwHPReq1Valid
583 * 0x80, Vaux3HwHPReq1Valid
585 REG_INIT(AB8500_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xe8),
587 * 0x01, VextSupply1HwHPReq1Valid
588 * 0x02, VextSupply2HwHPReq1Valid
589 * 0x04, VextSupply3HwHPReq1Valid
591 REG_INIT(AB8500_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x07),
593 * 0x08, VanaHwHPReq2Valid
594 * 0x20, Vaux1HwHPReq2Valid
595 * 0x40, Vaux2HwHPReq2Valid
596 * 0x80, Vaux3HwHPReq2Valid
598 REG_INIT(AB8500_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xe8),
600 * 0x01, VextSupply1HwHPReq2Valid
601 * 0x02, VextSupply2HwHPReq2Valid
602 * 0x04, VextSupply3HwHPReq2Valid
604 REG_INIT(AB8500_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x07),
606 * 0x20, VanaSwHPReqValid
607 * 0x80, Vaux1SwHPReqValid
609 REG_INIT(AB8500_REGUSWHPREQVALID1, 0x03, 0x0d, 0xa0),
611 * 0x01, Vaux2SwHPReqValid
612 * 0x02, Vaux3SwHPReqValid
613 * 0x04, VextSupply1SwHPReqValid
614 * 0x08, VextSupply2SwHPReqValid
615 * 0x10, VextSupply3SwHPReqValid
617 REG_INIT(AB8500_REGUSWHPREQVALID2, 0x03, 0x0e, 0x1f),
619 * 0x02, SysClkReq2Valid1
621 * 0x80, SysClkReq8Valid1
623 REG_INIT(AB8500_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0xfe),
625 * 0x02, SysClkReq2Valid2
627 * 0x80, SysClkReq8Valid2
629 REG_INIT(AB8500_REGUSYSCLKREQVALID2, 0x03, 0x10, 0xfe),
632 * 0x04, Vintcore12Ena
633 * 0x38, Vintcore12Sel
637 REG_INIT(AB8500_REGUMISC1, 0x03, 0x80, 0xfe),
644 REG_INIT(AB8500_VAUDIOSUPPLY, 0x03, 0x83, 0x1e),
649 REG_INIT(AB8500_REGUCTRL1VAMIC, 0x03, 0x84, 0x03),
654 REG_INIT(AB8500_VPLLVANAREGU, 0x04, 0x06, 0x0f),
657 * 0x02, VrefDDRSleepMode
659 REG_INIT(AB8500_VREFDDR, 0x04, 0x07, 0x03),
661 * 0x03, VextSupply1Regu
662 * 0x0c, VextSupply2Regu
663 * 0x30, VextSupply3Regu
664 * 0x40, ExtSupply2Bypass
665 * 0x80, ExtSupply3Bypass
667 REG_INIT(AB8500_EXTSUPPLYREGU, 0x04, 0x08, 0xff),
672 REG_INIT(AB8500_VAUX12REGU, 0x04, 0x09, 0x0f),
676 REG_INIT(AB8500_VRF1VAUX3REGU, 0x04, 0x0a, 0x03),
680 REG_INIT(AB8500_VSMPS1SEL1, 0x04, 0x13, 0x3f),
684 REG_INIT(AB8500_VAUX1SEL, 0x04, 0x1f, 0x0f),
688 REG_INIT(AB8500_VAUX2SEL, 0x04, 0x20, 0x0f),
692 REG_INIT(AB8500_VRF1VAUX3SEL, 0x04, 0x21, 0x07),
694 * 0x01, VextSupply12LP
696 REG_INIT(AB8500_REGUCTRL2SPARE, 0x04, 0x22, 0x01),
701 * 0x20, Vintcore12Disch
705 REG_INIT(AB8500_REGUCTRLDISCH, 0x04, 0x43, 0xfc),
708 * 0x04, VdmicPullDownEna
711 REG_INIT(AB8500_REGUCTRLDISCH2, 0x04, 0x44, 0x16),
715 ab8500_regulator_init_registers(struct platform_device *pdev, int id, int value)
719 if (value & ~ab8500_reg_init[id].mask) {
721 "Configuration error: value outside mask.\n");
725 err = abx500_mask_and_set_register_interruptible(
727 ab8500_reg_init[id].bank,
728 ab8500_reg_init[id].addr,
729 ab8500_reg_init[id].mask,
733 "Failed to initialize 0x%02x, 0x%02x.\n",
734 ab8500_reg_init[id].bank,
735 ab8500_reg_init[id].addr);
740 "init: 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
741 ab8500_reg_init[id].bank,
742 ab8500_reg_init[id].addr,
743 ab8500_reg_init[id].mask,
749 static __devinit int ab8500_regulator_register(struct platform_device *pdev,
750 struct regulator_init_data *init_data,
752 struct device_node *np)
754 struct ab8500_regulator_info *info = NULL;
755 struct regulator_config config = { };
758 /* assign per-regulator data */
759 info = &ab8500_regulator_info[id];
760 info->dev = &pdev->dev;
762 config.dev = &pdev->dev;
763 config.init_data = init_data;
764 config.driver_data = info;
767 /* fix for hardware before ab8500v2.0 */
768 if (abx500_get_chip_id(info->dev) < 0x20) {
769 if (info->desc.id == AB8500_LDO_AUX3) {
770 info->desc.n_voltages =
771 ARRAY_SIZE(ldo_vauxn_voltages);
772 info->voltages = ldo_vauxn_voltages;
774 ARRAY_SIZE(ldo_vauxn_voltages);
775 info->voltage_mask = 0xf;
779 /* register regulator with framework */
780 info->regulator = regulator_register(&info->desc, &config);
781 if (IS_ERR(info->regulator)) {
782 err = PTR_ERR(info->regulator);
783 dev_err(&pdev->dev, "failed to register regulator %s\n",
785 /* when we fail, un-register all earlier regulators */
787 info = &ab8500_regulator_info[id];
788 regulator_unregister(info->regulator);
796 static struct of_regulator_match ab8500_regulator_matches[] = {
797 { .name = "LDO-AUX1", .driver_data = (void *) AB8500_LDO_AUX1, },
798 { .name = "LDO-AUX2", .driver_data = (void *) AB8500_LDO_AUX2, },
799 { .name = "LDO-AUX3", .driver_data = (void *) AB8500_LDO_AUX3, },
800 { .name = "LDO-INTCORE", .driver_data = (void *) AB8500_LDO_INTCORE, },
801 { .name = "LDO-TVOUT", .driver_data = (void *) AB8500_LDO_TVOUT, },
802 { .name = "LDO-USB", .driver_data = (void *) AB8500_LDO_USB, },
803 { .name = "LDO-AUDIO", .driver_data = (void *) AB8500_LDO_AUDIO, },
804 { .name = "LDO-ANAMIC1", .driver_data = (void *) AB8500_LDO_ANAMIC1, },
805 { .name = "LDO-ANAMIC2", .driver_data = (void *) AB8500_LDO_ANAMIC2, },
806 { .name = "LDO-DMIC", .driver_data = (void *) AB8500_LDO_DMIC, },
807 { .name = "LDO-ANA", .driver_data = (void *) AB8500_LDO_ANA, },
811 ab8500_regulator_of_probe(struct platform_device *pdev, struct device_node *np)
815 for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
816 err = ab8500_regulator_register(
817 pdev, ab8500_regulator_matches[i].init_data,
818 i, ab8500_regulator_matches[i].of_node);
826 static __devinit int ab8500_regulator_probe(struct platform_device *pdev)
828 struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
829 struct ab8500_platform_data *pdata;
830 struct device_node *np = pdev->dev.of_node;
834 err = of_regulator_match(&pdev->dev, np,
835 ab8500_regulator_matches,
836 ARRAY_SIZE(ab8500_regulator_matches));
839 "Error parsing regulator init data: %d\n", err);
843 err = ab8500_regulator_of_probe(pdev, np);
848 dev_err(&pdev->dev, "null mfd parent\n");
851 pdata = dev_get_platdata(ab8500->dev);
853 dev_err(&pdev->dev, "null pdata\n");
857 /* make sure the platform data has the correct size */
858 if (pdata->num_regulator != ARRAY_SIZE(ab8500_regulator_info)) {
859 dev_err(&pdev->dev, "Configuration error: size mismatch.\n");
863 /* initialize registers */
864 for (i = 0; i < pdata->num_regulator_reg_init; i++) {
867 id = pdata->regulator_reg_init[i].id;
868 value = pdata->regulator_reg_init[i].value;
870 /* check for configuration errors */
871 if (id >= AB8500_NUM_REGULATOR_REGISTERS) {
873 "Configuration error: id outside range.\n");
877 err = ab8500_regulator_init_registers(pdev, id, value);
882 /* register all regulators */
883 for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
884 err = ab8500_regulator_register(pdev, &pdata->regulator[i], i, NULL);
892 static __devexit int ab8500_regulator_remove(struct platform_device *pdev)
896 for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
897 struct ab8500_regulator_info *info = NULL;
898 info = &ab8500_regulator_info[i];
900 dev_vdbg(rdev_get_dev(info->regulator),
901 "%s-remove\n", info->desc.name);
903 regulator_unregister(info->regulator);
909 static const struct of_device_id ab8500_regulator_match[] = {
910 { .compatible = "stericsson,ab8500-regulator", },
914 static struct platform_driver ab8500_regulator_driver = {
915 .probe = ab8500_regulator_probe,
916 .remove = __devexit_p(ab8500_regulator_remove),
918 .name = "ab8500-regulator",
919 .owner = THIS_MODULE,
920 .of_match_table = ab8500_regulator_match,
924 static int __init ab8500_regulator_init(void)
928 ret = platform_driver_register(&ab8500_regulator_driver);
930 pr_err("Failed to register ab8500 regulator: %d\n", ret);
934 subsys_initcall(ab8500_regulator_init);
936 static void __exit ab8500_regulator_exit(void)
938 platform_driver_unregister(&ab8500_regulator_driver);
940 module_exit(ab8500_regulator_exit);
942 MODULE_LICENSE("GPL v2");
943 MODULE_AUTHOR("Sundar Iyer <sundar.iyer@stericsson.com>");
944 MODULE_DESCRIPTION("Regulator Driver for ST-Ericsson AB8500 Mixed-Sig PMIC");
945 MODULE_ALIAS("platform:ab8500-regulator");