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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * tps65217-regulator.c
4 *
5 * Regulator driver for TPS65217 PMIC
6 *
7 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
8 */
9
10#include <linux/kernel.h>
11#include <linux/module.h>
12#include <linux/device.h>
13#include <linux/init.h>
14#include <linux/err.h>
15#include <linux/platform_device.h>
16
17#include <linux/regulator/of_regulator.h>
18#include <linux/regulator/driver.h>
19#include <linux/regulator/machine.h>
20#include <linux/mfd/tps65217.h>
21
22#define TPS65217_REGULATOR(_name, _id, _of_match, _ops, _n, _vr, _vm, _em, \
23 _t, _lr, _nlr, _sr, _sm) \
24 { \
25 .name = _name, \
26 .id = _id, \
27 .of_match = of_match_ptr(_of_match), \
28 .regulators_node= of_match_ptr("regulators"), \
29 .ops = &_ops, \
30 .n_voltages = _n, \
31 .type = REGULATOR_VOLTAGE, \
32 .owner = THIS_MODULE, \
33 .vsel_reg = _vr, \
34 .vsel_mask = _vm, \
35 .enable_reg = TPS65217_REG_ENABLE, \
36 .enable_mask = _em, \
37 .volt_table = _t, \
38 .linear_ranges = _lr, \
39 .n_linear_ranges = _nlr, \
40 .bypass_reg = _sr, \
41 .bypass_mask = _sm, \
42 } \
43
44static const unsigned int LDO1_VSEL_table[] = {
45 1000000, 1100000, 1200000, 1250000,
46 1300000, 1350000, 1400000, 1500000,
47 1600000, 1800000, 2500000, 2750000,
48 2800000, 3000000, 3100000, 3300000,
49};
50
51static const struct linear_range tps65217_uv1_ranges[] = {
52 REGULATOR_LINEAR_RANGE(900000, 0, 24, 25000),
53 REGULATOR_LINEAR_RANGE(1550000, 25, 52, 50000),
54 REGULATOR_LINEAR_RANGE(3000000, 53, 55, 100000),
55 REGULATOR_LINEAR_RANGE(3300000, 56, 63, 0),
56};
57
58static const struct linear_range tps65217_uv2_ranges[] = {
59 REGULATOR_LINEAR_RANGE(1500000, 0, 8, 50000),
60 REGULATOR_LINEAR_RANGE(2000000, 9, 13, 100000),
61 REGULATOR_LINEAR_RANGE(2450000, 14, 31, 50000),
62};
63
64static int tps65217_pmic_enable(struct regulator_dev *dev)
65{
66 struct tps65217 *tps = rdev_get_drvdata(dev);
67 int rid = rdev_get_id(dev);
68
69 if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
70 return -EINVAL;
71
72 /* Enable the regulator and password protection is level 1 */
73 return tps65217_set_bits(tps, TPS65217_REG_ENABLE,
74 dev->desc->enable_mask, dev->desc->enable_mask,
75 TPS65217_PROTECT_L1);
76}
77
78static int tps65217_pmic_disable(struct regulator_dev *dev)
79{
80 struct tps65217 *tps = rdev_get_drvdata(dev);
81 int rid = rdev_get_id(dev);
82
83 if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
84 return -EINVAL;
85
86 /* Disable the regulator and password protection is level 1 */
87 return tps65217_clear_bits(tps, TPS65217_REG_ENABLE,
88 dev->desc->enable_mask, TPS65217_PROTECT_L1);
89}
90
91static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
92 unsigned selector)
93{
94 int ret;
95 struct tps65217 *tps = rdev_get_drvdata(dev);
96 unsigned int rid = rdev_get_id(dev);
97
98 /* Set the voltage based on vsel value and write protect level is 2 */
99 ret = tps65217_set_bits(tps, dev->desc->vsel_reg, dev->desc->vsel_mask,
100 selector, TPS65217_PROTECT_L2);
101
102 /* Set GO bit for DCDCx to initiate voltage transistion */
103 switch (rid) {
104 case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
105 ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
106 TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
107 TPS65217_PROTECT_L2);
108 break;
109 }
110
111 return ret;
112}
113
114static int tps65217_pmic_set_suspend_enable(struct regulator_dev *dev)
115{
116 struct tps65217 *tps = rdev_get_drvdata(dev);
117 unsigned int rid = rdev_get_id(dev);
118
119 if (rid > TPS65217_LDO_4)
120 return -EINVAL;
121
122 return tps65217_clear_bits(tps, dev->desc->bypass_reg,
123 dev->desc->bypass_mask,
124 TPS65217_PROTECT_L1);
125}
126
127static int tps65217_pmic_set_suspend_disable(struct regulator_dev *dev)
128{
129 struct tps65217 *tps = rdev_get_drvdata(dev);
130 unsigned int rid = rdev_get_id(dev);
131
132 if (rid > TPS65217_LDO_4)
133 return -EINVAL;
134
135 if (!tps->strobes[rid])
136 return -EINVAL;
137
138 return tps65217_set_bits(tps, dev->desc->bypass_reg,
139 dev->desc->bypass_mask,
140 tps->strobes[rid], TPS65217_PROTECT_L1);
141}
142
143/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
144static const struct regulator_ops tps65217_pmic_ops = {
145 .is_enabled = regulator_is_enabled_regmap,
146 .enable = tps65217_pmic_enable,
147 .disable = tps65217_pmic_disable,
148 .get_voltage_sel = regulator_get_voltage_sel_regmap,
149 .set_voltage_sel = tps65217_pmic_set_voltage_sel,
150 .list_voltage = regulator_list_voltage_linear_range,
151 .map_voltage = regulator_map_voltage_linear_range,
152 .set_suspend_enable = tps65217_pmic_set_suspend_enable,
153 .set_suspend_disable = tps65217_pmic_set_suspend_disable,
154};
155
156/* Operations permitted on LDO1 */
157static const struct regulator_ops tps65217_pmic_ldo1_ops = {
158 .is_enabled = regulator_is_enabled_regmap,
159 .enable = tps65217_pmic_enable,
160 .disable = tps65217_pmic_disable,
161 .get_voltage_sel = regulator_get_voltage_sel_regmap,
162 .set_voltage_sel = tps65217_pmic_set_voltage_sel,
163 .list_voltage = regulator_list_voltage_table,
164 .map_voltage = regulator_map_voltage_ascend,
165 .set_suspend_enable = tps65217_pmic_set_suspend_enable,
166 .set_suspend_disable = tps65217_pmic_set_suspend_disable,
167};
168
169static const struct regulator_desc regulators[] = {
170 TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, "dcdc1",
171 tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC1,
172 TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC1_EN,
173 NULL, tps65217_uv1_ranges,
174 ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
175 TPS65217_SEQ1_DC1_SEQ_MASK),
176 TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, "dcdc2",
177 tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC2,
178 TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC2_EN,
179 NULL, tps65217_uv1_ranges,
180 ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
181 TPS65217_SEQ1_DC2_SEQ_MASK),
182 TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, "dcdc3",
183 tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC3,
184 TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC3_EN,
185 NULL, tps65217_uv1_ranges,
186 ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ2,
187 TPS65217_SEQ2_DC3_SEQ_MASK),
188 TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, "ldo1",
189 tps65217_pmic_ldo1_ops, 16, TPS65217_REG_DEFLDO1,
190 TPS65217_DEFLDO1_LDO1_MASK, TPS65217_ENABLE_LDO1_EN,
191 LDO1_VSEL_table, NULL, 0, TPS65217_REG_SEQ2,
192 TPS65217_SEQ2_LDO1_SEQ_MASK),
193 TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, "ldo2", tps65217_pmic_ops,
194 64, TPS65217_REG_DEFLDO2,
195 TPS65217_DEFLDO2_LDO2_MASK, TPS65217_ENABLE_LDO2_EN,
196 NULL, tps65217_uv1_ranges,
197 ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ3,
198 TPS65217_SEQ3_LDO2_SEQ_MASK),
199 TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, "ldo3", tps65217_pmic_ops,
200 32, TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK,
201 TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN,
202 NULL, tps65217_uv2_ranges,
203 ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ3,
204 TPS65217_SEQ3_LDO3_SEQ_MASK),
205 TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, "ldo4", tps65217_pmic_ops,
206 32, TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK,
207 TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN,
208 NULL, tps65217_uv2_ranges,
209 ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ4,
210 TPS65217_SEQ4_LDO4_SEQ_MASK),
211};
212
213static int tps65217_regulator_probe(struct platform_device *pdev)
214{
215 struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
216 struct tps65217_board *pdata = dev_get_platdata(tps->dev);
217 struct regulator_dev *rdev;
218 struct regulator_config config = { };
219 int i, ret;
220 unsigned int val;
221
222 /* Allocate memory for strobes */
223 tps->strobes = devm_kcalloc(&pdev->dev,
224 TPS65217_NUM_REGULATOR, sizeof(u8),
225 GFP_KERNEL);
226 if (!tps->strobes)
227 return -ENOMEM;
228
229 platform_set_drvdata(pdev, tps);
230
231 for (i = 0; i < TPS65217_NUM_REGULATOR; i++) {
232 /* Register the regulators */
233 config.dev = tps->dev;
234 if (pdata)
235 config.init_data = pdata->tps65217_init_data[i];
236 config.driver_data = tps;
237 config.regmap = tps->regmap;
238
239 rdev = devm_regulator_register(&pdev->dev, ®ulators[i],
240 &config);
241 if (IS_ERR(rdev)) {
242 dev_err(tps->dev, "failed to register %s regulator\n",
243 pdev->name);
244 return PTR_ERR(rdev);
245 }
246
247 /* Store default strobe info */
248 ret = tps65217_reg_read(tps, regulators[i].bypass_reg, &val);
249 if (ret)
250 return ret;
251
252 tps->strobes[i] = val & regulators[i].bypass_mask;
253 }
254
255 return 0;
256}
257
258static struct platform_driver tps65217_regulator_driver = {
259 .driver = {
260 .name = "tps65217-pmic",
261 },
262 .probe = tps65217_regulator_probe,
263};
264
265static int __init tps65217_regulator_init(void)
266{
267 return platform_driver_register(&tps65217_regulator_driver);
268}
269subsys_initcall(tps65217_regulator_init);
270
271static void __exit tps65217_regulator_exit(void)
272{
273 platform_driver_unregister(&tps65217_regulator_driver);
274}
275module_exit(tps65217_regulator_exit);
276
277MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>");
278MODULE_DESCRIPTION("TPS65217 voltage regulator driver");
279MODULE_ALIAS("platform:tps65217-pmic");
280MODULE_LICENSE("GPL v2");
1/*
2 * tps65217-regulator.c
3 *
4 * Regulator driver for TPS65217 PMIC
5 *
6 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation version 2.
11 *
12 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
13 * kind, whether express or implied; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 */
17
18#include <linux/kernel.h>
19#include <linux/module.h>
20#include <linux/device.h>
21#include <linux/init.h>
22#include <linux/err.h>
23#include <linux/platform_device.h>
24
25#include <linux/regulator/driver.h>
26#include <linux/regulator/machine.h>
27#include <linux/mfd/tps65217.h>
28
29#define TPS65217_REGULATOR(_name, _id, _ops, _n) \
30 { \
31 .name = _name, \
32 .id = _id, \
33 .ops = &_ops, \
34 .n_voltages = _n, \
35 .type = REGULATOR_VOLTAGE, \
36 .owner = THIS_MODULE, \
37 } \
38
39#define TPS65217_INFO(_nm, _min, _max, _f1, _f2, _t, _n, _em, _vr, _vm) \
40 { \
41 .name = _nm, \
42 .min_uV = _min, \
43 .max_uV = _max, \
44 .vsel_to_uv = _f1, \
45 .uv_to_vsel = _f2, \
46 .table = _t, \
47 .table_len = _n, \
48 .enable_mask = _em, \
49 .set_vout_reg = _vr, \
50 .set_vout_mask = _vm, \
51 }
52
53static const int LDO1_VSEL_table[] = {
54 1000000, 1100000, 1200000, 1250000,
55 1300000, 1350000, 1400000, 1500000,
56 1600000, 1800000, 2500000, 2750000,
57 2800000, 3000000, 3100000, 3300000,
58};
59
60static int tps65217_vsel_to_uv1(unsigned int vsel)
61{
62 int uV = 0;
63
64 if (vsel > 63)
65 return -EINVAL;
66
67 if (vsel <= 24)
68 uV = vsel * 25000 + 900000;
69 else if (vsel <= 52)
70 uV = (vsel - 24) * 50000 + 1500000;
71 else if (vsel < 56)
72 uV = (vsel - 52) * 100000 + 2900000;
73 else
74 uV = 3300000;
75
76 return uV;
77}
78
79static int tps65217_uv_to_vsel1(int uV, unsigned int *vsel)
80{
81 if ((uV < 0) && (uV > 3300000))
82 return -EINVAL;
83
84 if (uV <= 1500000)
85 *vsel = DIV_ROUND_UP(uV - 900000, 25000);
86 else if (uV <= 2900000)
87 *vsel = 24 + DIV_ROUND_UP(uV - 1500000, 50000);
88 else if (uV < 3300000)
89 *vsel = 52 + DIV_ROUND_UP(uV - 2900000, 100000);
90 else
91 *vsel = 56;
92
93 return 0;
94}
95
96static int tps65217_vsel_to_uv2(unsigned int vsel)
97{
98 int uV = 0;
99
100 if (vsel > 31)
101 return -EINVAL;
102
103 if (vsel <= 8)
104 uV = vsel * 50000 + 1500000;
105 else if (vsel <= 13)
106 uV = (vsel - 8) * 100000 + 1900000;
107 else
108 uV = (vsel - 13) * 50000 + 2400000;
109
110 return uV;
111}
112
113static int tps65217_uv_to_vsel2(int uV, unsigned int *vsel)
114{
115 if ((uV < 0) && (uV > 3300000))
116 return -EINVAL;
117
118 if (uV <= 1900000)
119 *vsel = DIV_ROUND_UP(uV - 1500000, 50000);
120 else if (uV <= 2400000)
121 *vsel = 8 + DIV_ROUND_UP(uV - 1900000, 100000);
122 else
123 *vsel = 13 + DIV_ROUND_UP(uV - 2400000, 50000);
124
125 return 0;
126}
127
128static struct tps_info tps65217_pmic_regs[] = {
129 TPS65217_INFO("DCDC1", 900000, 1800000, tps65217_vsel_to_uv1,
130 tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_DC1_EN,
131 TPS65217_REG_DEFDCDC1, TPS65217_DEFDCDCX_DCDC_MASK),
132 TPS65217_INFO("DCDC2", 900000, 3300000, tps65217_vsel_to_uv1,
133 tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_DC2_EN,
134 TPS65217_REG_DEFDCDC2, TPS65217_DEFDCDCX_DCDC_MASK),
135 TPS65217_INFO("DCDC3", 900000, 1500000, tps65217_vsel_to_uv1,
136 tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_DC3_EN,
137 TPS65217_REG_DEFDCDC3, TPS65217_DEFDCDCX_DCDC_MASK),
138 TPS65217_INFO("LDO1", 1000000, 3300000, NULL, NULL, LDO1_VSEL_table,
139 16, TPS65217_ENABLE_LDO1_EN, TPS65217_REG_DEFLDO1,
140 TPS65217_DEFLDO1_LDO1_MASK),
141 TPS65217_INFO("LDO2", 900000, 3300000, tps65217_vsel_to_uv1,
142 tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_LDO2_EN,
143 TPS65217_REG_DEFLDO2, TPS65217_DEFLDO2_LDO2_MASK),
144 TPS65217_INFO("LDO3", 1800000, 3300000, tps65217_vsel_to_uv2,
145 tps65217_uv_to_vsel2, NULL, 32,
146 TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN,
147 TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK),
148 TPS65217_INFO("LDO4", 1800000, 3300000, tps65217_vsel_to_uv2,
149 tps65217_uv_to_vsel2, NULL, 32,
150 TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN,
151 TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK),
152};
153
154static int tps65217_pmic_is_enabled(struct regulator_dev *dev)
155{
156 int ret;
157 struct tps65217 *tps = rdev_get_drvdata(dev);
158 unsigned int data, rid = rdev_get_id(dev);
159
160 if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
161 return -EINVAL;
162
163 ret = tps65217_reg_read(tps, TPS65217_REG_ENABLE, &data);
164 if (ret)
165 return ret;
166
167 return (data & tps->info[rid]->enable_mask) ? 1 : 0;
168}
169
170static int tps65217_pmic_enable(struct regulator_dev *dev)
171{
172 struct tps65217 *tps = rdev_get_drvdata(dev);
173 unsigned int rid = rdev_get_id(dev);
174
175 if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
176 return -EINVAL;
177
178 /* Enable the regulator and password protection is level 1 */
179 return tps65217_set_bits(tps, TPS65217_REG_ENABLE,
180 tps->info[rid]->enable_mask,
181 tps->info[rid]->enable_mask,
182 TPS65217_PROTECT_L1);
183}
184
185static int tps65217_pmic_disable(struct regulator_dev *dev)
186{
187 struct tps65217 *tps = rdev_get_drvdata(dev);
188 unsigned int rid = rdev_get_id(dev);
189
190 if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
191 return -EINVAL;
192
193 /* Disable the regulator and password protection is level 1 */
194 return tps65217_clear_bits(tps, TPS65217_REG_ENABLE,
195 tps->info[rid]->enable_mask, TPS65217_PROTECT_L1);
196}
197
198static int tps65217_pmic_get_voltage_sel(struct regulator_dev *dev)
199{
200 int ret;
201 struct tps65217 *tps = rdev_get_drvdata(dev);
202 unsigned int selector, rid = rdev_get_id(dev);
203
204 if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
205 return -EINVAL;
206
207 ret = tps65217_reg_read(tps, tps->info[rid]->set_vout_reg, &selector);
208 if (ret)
209 return ret;
210
211 selector &= tps->info[rid]->set_vout_mask;
212
213 return selector;
214}
215
216static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
217 unsigned selector)
218{
219 int ret;
220 struct tps65217 *tps = rdev_get_drvdata(dev);
221 unsigned int rid = rdev_get_id(dev);
222
223 /* Set the voltage based on vsel value and write protect level is 2 */
224 ret = tps65217_set_bits(tps, tps->info[rid]->set_vout_reg,
225 tps->info[rid]->set_vout_mask,
226 selector, TPS65217_PROTECT_L2);
227
228 /* Set GO bit for DCDCx to initiate voltage transistion */
229 switch (rid) {
230 case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
231 ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
232 TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
233 TPS65217_PROTECT_L2);
234 break;
235 }
236
237 return ret;
238}
239
240static int tps65217_pmic_map_voltage(struct regulator_dev *dev,
241 int min_uV, int max_uV)
242{
243
244 struct tps65217 *tps = rdev_get_drvdata(dev);
245 unsigned int sel, rid = rdev_get_id(dev);
246 int ret;
247
248 /* LDO1 uses regulator_map_voltage_iterate() */
249 if (rid == TPS65217_LDO_1)
250 return -EINVAL;
251
252 if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
253 return -EINVAL;
254
255 if (min_uV < tps->info[rid]->min_uV || min_uV > tps->info[rid]->max_uV)
256 return -EINVAL;
257
258 if (max_uV < tps->info[rid]->min_uV || max_uV > tps->info[rid]->max_uV)
259 return -EINVAL;
260
261 ret = tps->info[rid]->uv_to_vsel(min_uV, &sel);
262 if (ret)
263 return ret;
264
265 return sel;
266}
267
268static int tps65217_pmic_list_voltage(struct regulator_dev *dev,
269 unsigned selector)
270{
271 struct tps65217 *tps = rdev_get_drvdata(dev);
272 unsigned int rid = rdev_get_id(dev);
273
274 if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
275 return -EINVAL;
276
277 if (selector >= tps->info[rid]->table_len)
278 return -EINVAL;
279
280 if (tps->info[rid]->table)
281 return tps->info[rid]->table[selector];
282
283 return tps->info[rid]->vsel_to_uv(selector);
284}
285
286/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
287static struct regulator_ops tps65217_pmic_ops = {
288 .is_enabled = tps65217_pmic_is_enabled,
289 .enable = tps65217_pmic_enable,
290 .disable = tps65217_pmic_disable,
291 .get_voltage_sel = tps65217_pmic_get_voltage_sel,
292 .set_voltage_sel = tps65217_pmic_set_voltage_sel,
293 .list_voltage = tps65217_pmic_list_voltage,
294 .map_voltage = tps65217_pmic_map_voltage,
295};
296
297/* Operations permitted on LDO1 */
298static struct regulator_ops tps65217_pmic_ldo1_ops = {
299 .is_enabled = tps65217_pmic_is_enabled,
300 .enable = tps65217_pmic_enable,
301 .disable = tps65217_pmic_disable,
302 .get_voltage_sel = tps65217_pmic_get_voltage_sel,
303 .set_voltage_sel = tps65217_pmic_set_voltage_sel,
304 .list_voltage = tps65217_pmic_list_voltage,
305};
306
307static const struct regulator_desc regulators[] = {
308 TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, tps65217_pmic_ops, 64),
309 TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, tps65217_pmic_ops, 64),
310 TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, tps65217_pmic_ops, 64),
311 TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, tps65217_pmic_ldo1_ops, 16),
312 TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, tps65217_pmic_ops, 64),
313 TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, tps65217_pmic_ops, 32),
314 TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, tps65217_pmic_ops, 32),
315};
316
317static int __devinit tps65217_regulator_probe(struct platform_device *pdev)
318{
319 struct regulator_dev *rdev;
320 struct tps65217 *tps;
321 struct tps_info *info = &tps65217_pmic_regs[pdev->id];
322 struct regulator_config config = { };
323
324 /* Already set by core driver */
325 tps = dev_to_tps65217(pdev->dev.parent);
326 tps->info[pdev->id] = info;
327
328 config.dev = &pdev->dev;
329 config.init_data = pdev->dev.platform_data;
330 config.driver_data = tps;
331
332 rdev = regulator_register(®ulators[pdev->id], &config);
333 if (IS_ERR(rdev))
334 return PTR_ERR(rdev);
335
336 platform_set_drvdata(pdev, rdev);
337
338 return 0;
339}
340
341static int __devexit tps65217_regulator_remove(struct platform_device *pdev)
342{
343 struct regulator_dev *rdev = platform_get_drvdata(pdev);
344
345 platform_set_drvdata(pdev, NULL);
346 regulator_unregister(rdev);
347
348 return 0;
349}
350
351static struct platform_driver tps65217_regulator_driver = {
352 .driver = {
353 .name = "tps65217-pmic",
354 },
355 .probe = tps65217_regulator_probe,
356 .remove = __devexit_p(tps65217_regulator_remove),
357};
358
359static int __init tps65217_regulator_init(void)
360{
361 return platform_driver_register(&tps65217_regulator_driver);
362}
363subsys_initcall(tps65217_regulator_init);
364
365static void __exit tps65217_regulator_exit(void)
366{
367 platform_driver_unregister(&tps65217_regulator_driver);
368}
369module_exit(tps65217_regulator_exit);
370
371MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>");
372MODULE_DESCRIPTION("TPS65217 voltage regulator driver");
373MODULE_ALIAS("platform:tps65217-pmic");
374MODULE_LICENSE("GPL v2");