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be0e2d3e HZ |
1 | /* |
2 | * Regulators driver for Marvell 88PM8607 | |
3 | * | |
4 | * Copyright (C) 2009 Marvell International Ltd. | |
5 | * Haojian Zhuang <haojian.zhuang@marvell.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/err.h> | |
53dbab7a | 14 | #include <linux/i2c.h> |
2e57d567 HZ |
15 | #include <linux/of.h> |
16 | #include <linux/regulator/of_regulator.h> | |
be0e2d3e HZ |
17 | #include <linux/platform_device.h> |
18 | #include <linux/regulator/driver.h> | |
19 | #include <linux/regulator/machine.h> | |
53dbab7a | 20 | #include <linux/mfd/88pm860x.h> |
65602c32 | 21 | #include <linux/module.h> |
be0e2d3e HZ |
22 | |
23 | struct pm8607_regulator_info { | |
24 | struct regulator_desc desc; | |
53dbab7a | 25 | struct pm860x_chip *chip; |
be0e2d3e | 26 | struct regulator_dev *regulator; |
53dbab7a | 27 | struct i2c_client *i2c; |
e7a7810a | 28 | struct i2c_client *i2c_8606; |
be0e2d3e | 29 | |
9f79e9db HZ |
30 | unsigned int *vol_table; |
31 | unsigned int *vol_suspend; | |
32 | ||
be0e2d3e HZ |
33 | int update_reg; |
34 | int update_bit; | |
be0e2d3e HZ |
35 | int slope_double; |
36 | }; | |
37 | ||
9f79e9db HZ |
38 | static const unsigned int BUCK1_table[] = { |
39 | 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000, | |
40 | 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000, | |
41 | 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, | |
42 | 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000, | |
43 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, | |
44 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, | |
45 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
46 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
47 | }; | |
be0e2d3e | 48 | |
9f79e9db HZ |
49 | static const unsigned int BUCK1_suspend_table[] = { |
50 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, | |
51 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, | |
52 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
53 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
54 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, | |
55 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, | |
56 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, | |
57 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, | |
58 | }; | |
59 | ||
60 | static const unsigned int BUCK2_table[] = { | |
61 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, | |
62 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, | |
63 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, | |
64 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, | |
65 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, | |
66 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, | |
67 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, | |
68 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, | |
69 | }; | |
70 | ||
71 | static const unsigned int BUCK2_suspend_table[] = { | |
72 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, | |
73 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, | |
74 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, | |
75 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, | |
76 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, | |
77 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, | |
78 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, | |
79 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, | |
80 | }; | |
81 | ||
82 | static const unsigned int BUCK3_table[] = { | |
83 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, | |
84 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, | |
85 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
86 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
87 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, | |
88 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, | |
89 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, | |
90 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, | |
91 | }; | |
92 | ||
93 | static const unsigned int BUCK3_suspend_table[] = { | |
94 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, | |
95 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, | |
96 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
97 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
98 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, | |
99 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, | |
100 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, | |
101 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, | |
102 | }; | |
103 | ||
104 | static const unsigned int LDO1_table[] = { | |
105 | 1800000, 1200000, 2800000, 0, | |
106 | }; | |
107 | ||
108 | static const unsigned int LDO1_suspend_table[] = { | |
109 | 1800000, 1200000, 0, 0, | |
110 | }; | |
111 | ||
112 | static const unsigned int LDO2_table[] = { | |
113 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
114 | }; | |
115 | ||
116 | static const unsigned int LDO2_suspend_table[] = { | |
117 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
118 | }; | |
119 | ||
120 | static const unsigned int LDO3_table[] = { | |
121 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
122 | }; | |
123 | ||
124 | static const unsigned int LDO3_suspend_table[] = { | |
125 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
126 | }; | |
127 | ||
128 | static const unsigned int LDO4_table[] = { | |
129 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000, | |
130 | }; | |
131 | ||
132 | static const unsigned int LDO4_suspend_table[] = { | |
133 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000, | |
134 | }; | |
135 | ||
136 | static const unsigned int LDO5_table[] = { | |
137 | 2900000, 3000000, 3100000, 3300000, | |
138 | }; | |
139 | ||
140 | static const unsigned int LDO5_suspend_table[] = { | |
141 | 2900000, 0, 0, 0, | |
142 | }; | |
143 | ||
144 | static const unsigned int LDO6_table[] = { | |
145 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000, | |
146 | }; | |
147 | ||
148 | static const unsigned int LDO6_suspend_table[] = { | |
149 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000, | |
150 | }; | |
151 | ||
152 | static const unsigned int LDO7_table[] = { | |
153 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
154 | }; | |
155 | ||
156 | static const unsigned int LDO7_suspend_table[] = { | |
157 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
158 | }; | |
159 | ||
160 | static const unsigned int LDO8_table[] = { | |
161 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
162 | }; | |
163 | ||
164 | static const unsigned int LDO8_suspend_table[] = { | |
165 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
166 | }; | |
167 | ||
168 | static const unsigned int LDO9_table[] = { | |
169 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
170 | }; | |
171 | ||
172 | static const unsigned int LDO9_suspend_table[] = { | |
173 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
174 | }; | |
175 | ||
176 | static const unsigned int LDO10_table[] = { | |
177 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
178 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
179 | }; | |
180 | ||
181 | static const unsigned int LDO10_suspend_table[] = { | |
182 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
183 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
184 | }; | |
185 | ||
186 | static const unsigned int LDO12_table[] = { | |
187 | 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000, | |
188 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
189 | }; | |
190 | ||
191 | static const unsigned int LDO12_suspend_table[] = { | |
192 | 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000, | |
193 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
194 | }; | |
195 | ||
196 | static const unsigned int LDO13_table[] = { | |
3380643b | 197 | 1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, |
9f79e9db HZ |
198 | }; |
199 | ||
200 | static const unsigned int LDO13_suspend_table[] = { | |
201 | 0, | |
202 | }; | |
203 | ||
204 | static const unsigned int LDO14_table[] = { | |
205 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000, | |
206 | }; | |
207 | ||
208 | static const unsigned int LDO14_suspend_table[] = { | |
209 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000, | |
210 | }; | |
be0e2d3e HZ |
211 | |
212 | static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) | |
213 | { | |
214 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); | |
be0e2d3e HZ |
215 | int ret = -EINVAL; |
216 | ||
53b6949e | 217 | if (info->vol_table && (index < rdev->desc->n_voltages)) { |
9f79e9db | 218 | ret = info->vol_table[index]; |
be0e2d3e HZ |
219 | if (info->slope_double) |
220 | ret <<= 1; | |
be0e2d3e HZ |
221 | } |
222 | return ret; | |
223 | } | |
224 | ||
4ca1e1d9 | 225 | static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) |
be0e2d3e HZ |
226 | { |
227 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); | |
c006b21f | 228 | uint8_t val; |
be0e2d3e HZ |
229 | int ret; |
230 | ||
c006b21f | 231 | val = (uint8_t)(selector << (ffs(rdev->desc->vsel_mask) - 1)); |
be0e2d3e | 232 | |
c006b21f AL |
233 | ret = pm860x_set_bits(info->i2c, rdev->desc->vsel_reg, |
234 | rdev->desc->vsel_mask, val); | |
be0e2d3e HZ |
235 | if (ret) |
236 | return ret; | |
237 | switch (info->desc.id) { | |
238 | case PM8607_ID_BUCK1: | |
239 | case PM8607_ID_BUCK3: | |
53dbab7a | 240 | ret = pm860x_set_bits(info->i2c, info->update_reg, |
be0e2d3e HZ |
241 | 1 << info->update_bit, |
242 | 1 << info->update_bit); | |
243 | break; | |
244 | } | |
245 | return ret; | |
246 | } | |
247 | ||
e7a7810a JZ |
248 | static int pm8606_preg_enable(struct regulator_dev *rdev) |
249 | { | |
250 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); | |
251 | ||
252 | return pm860x_set_bits(info->i2c, rdev->desc->enable_reg, | |
253 | 1 << rdev->desc->enable_mask, 0); | |
254 | } | |
255 | ||
256 | static int pm8606_preg_disable(struct regulator_dev *rdev) | |
257 | { | |
258 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); | |
259 | ||
260 | return pm860x_set_bits(info->i2c, rdev->desc->enable_reg, | |
261 | 1 << rdev->desc->enable_mask, | |
262 | 1 << rdev->desc->enable_mask); | |
263 | } | |
264 | ||
265 | static int pm8606_preg_is_enabled(struct regulator_dev *rdev) | |
266 | { | |
267 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); | |
268 | int ret; | |
269 | ||
270 | ret = pm860x_reg_read(info->i2c, rdev->desc->enable_reg); | |
271 | if (ret < 0) | |
272 | return ret; | |
273 | ||
274 | return !((unsigned char)ret & (1 << rdev->desc->enable_mask)); | |
275 | } | |
276 | ||
be0e2d3e | 277 | static struct regulator_ops pm8607_regulator_ops = { |
d3d7bccc | 278 | .list_voltage = pm8607_list_voltage, |
4ca1e1d9 | 279 | .set_voltage_sel = pm8607_set_voltage_sel, |
c006b21f | 280 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
ef26e0db AL |
281 | .enable = regulator_enable_regmap, |
282 | .disable = regulator_disable_regmap, | |
283 | .is_enabled = regulator_is_enabled_regmap, | |
be0e2d3e HZ |
284 | }; |
285 | ||
e7a7810a JZ |
286 | static struct regulator_ops pm8606_preg_ops = { |
287 | .enable = pm8606_preg_enable, | |
288 | .disable = pm8606_preg_disable, | |
289 | .is_enabled = pm8606_preg_is_enabled, | |
290 | }; | |
291 | ||
292 | #define PM8606_PREG(ereg, ebit) \ | |
293 | { \ | |
294 | .desc = { \ | |
295 | .name = "PREG", \ | |
296 | .ops = &pm8606_preg_ops, \ | |
297 | .type = REGULATOR_CURRENT, \ | |
298 | .id = PM8606_ID_PREG, \ | |
299 | .owner = THIS_MODULE, \ | |
300 | .enable_reg = PM8606_##ereg, \ | |
301 | .enable_mask = (ebit), \ | |
302 | }, \ | |
303 | } | |
304 | ||
53b6949e | 305 | #define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \ |
be0e2d3e HZ |
306 | { \ |
307 | .desc = { \ | |
9f79e9db | 308 | .name = #vreg, \ |
be0e2d3e HZ |
309 | .ops = &pm8607_regulator_ops, \ |
310 | .type = REGULATOR_VOLTAGE, \ | |
9f79e9db | 311 | .id = PM8607_ID_##vreg, \ |
be0e2d3e | 312 | .owner = THIS_MODULE, \ |
53b6949e | 313 | .n_voltages = ARRAY_SIZE(vreg##_table), \ |
c006b21f AL |
314 | .vsel_reg = PM8607_##vreg, \ |
315 | .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \ | |
ef26e0db AL |
316 | .enable_reg = PM8607_##ereg, \ |
317 | .enable_mask = 1 << (ebit), \ | |
be0e2d3e | 318 | }, \ |
be0e2d3e HZ |
319 | .update_reg = PM8607_##ureg, \ |
320 | .update_bit = (ubit), \ | |
be0e2d3e | 321 | .slope_double = (0), \ |
9f79e9db HZ |
322 | .vol_table = (unsigned int *)&vreg##_table, \ |
323 | .vol_suspend = (unsigned int *)&vreg##_suspend_table, \ | |
be0e2d3e HZ |
324 | } |
325 | ||
53b6949e | 326 | #define PM8607_LDO(_id, vreg, shift, ereg, ebit) \ |
be0e2d3e HZ |
327 | { \ |
328 | .desc = { \ | |
329 | .name = "LDO" #_id, \ | |
330 | .ops = &pm8607_regulator_ops, \ | |
331 | .type = REGULATOR_VOLTAGE, \ | |
332 | .id = PM8607_ID_LDO##_id, \ | |
333 | .owner = THIS_MODULE, \ | |
53b6949e | 334 | .n_voltages = ARRAY_SIZE(LDO##_id##_table), \ |
c006b21f AL |
335 | .vsel_reg = PM8607_##vreg, \ |
336 | .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \ | |
ef26e0db AL |
337 | .enable_reg = PM8607_##ereg, \ |
338 | .enable_mask = 1 << (ebit), \ | |
be0e2d3e | 339 | }, \ |
be0e2d3e | 340 | .slope_double = (0), \ |
9f79e9db HZ |
341 | .vol_table = (unsigned int *)&LDO##_id##_table, \ |
342 | .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \ | |
be0e2d3e HZ |
343 | } |
344 | ||
345 | static struct pm8607_regulator_info pm8607_regulator_info[] = { | |
53b6949e AL |
346 | PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0), |
347 | PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1), | |
348 | PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2), | |
349 | ||
350 | PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3), | |
351 | PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4), | |
352 | PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5), | |
353 | PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6), | |
354 | PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7), | |
355 | PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0), | |
356 | PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1), | |
357 | PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2), | |
358 | PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3), | |
359 | PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4), | |
360 | PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5), | |
361 | PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0), | |
362 | PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6), | |
ff13e9e2 | 363 | }; |
e7a7810a | 364 | |
ff13e9e2 | 365 | static struct pm8607_regulator_info pm8606_regulator_info[] = { |
e7a7810a | 366 | PM8606_PREG(PREREGULATORB, 5), |
be0e2d3e HZ |
367 | }; |
368 | ||
2e57d567 HZ |
369 | #ifdef CONFIG_OF |
370 | static int pm8607_regulator_dt_init(struct platform_device *pdev, | |
371 | struct pm8607_regulator_info *info, | |
372 | struct regulator_config *config) | |
373 | { | |
374 | struct device_node *nproot, *np; | |
375 | nproot = pdev->dev.parent->of_node; | |
376 | if (!nproot) | |
377 | return -ENODEV; | |
378 | nproot = of_find_node_by_name(nproot, "regulators"); | |
379 | if (!nproot) { | |
380 | dev_err(&pdev->dev, "failed to find regulators node\n"); | |
381 | return -ENODEV; | |
382 | } | |
383 | for_each_child_of_node(nproot, np) { | |
384 | if (!of_node_cmp(np->name, info->desc.name)) { | |
385 | config->init_data = | |
386 | of_get_regulator_init_data(&pdev->dev, np); | |
387 | config->of_node = np; | |
388 | break; | |
389 | } | |
390 | } | |
391 | return 0; | |
392 | } | |
393 | #else | |
394 | #define pm8607_regulator_dt_init(x, y, z) (-1) | |
395 | #endif | |
396 | ||
22aad001 | 397 | static int __devinit pm8607_regulator_probe(struct platform_device *pdev) |
be0e2d3e | 398 | { |
22aad001 HZ |
399 | struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); |
400 | struct pm8607_regulator_info *info = NULL; | |
586e1a17 | 401 | struct regulator_init_data *pdata = pdev->dev.platform_data; |
c172708d | 402 | struct regulator_config config = { }; |
586e1a17 | 403 | struct resource *res; |
be0e2d3e HZ |
404 | int i; |
405 | ||
02367029 | 406 | res = platform_get_resource(pdev, IORESOURCE_REG, 0); |
ff13e9e2 HZ |
407 | if (res) { |
408 | /* There're resources in 88PM8607 regulator driver */ | |
409 | for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { | |
410 | info = &pm8607_regulator_info[i]; | |
411 | if (info->desc.vsel_reg == res->start) | |
412 | break; | |
413 | } | |
414 | if (i == ARRAY_SIZE(pm8607_regulator_info)) { | |
415 | dev_err(&pdev->dev, "Failed to find regulator %llu\n", | |
416 | (unsigned long long)res->start); | |
417 | return -EINVAL; | |
418 | } | |
419 | } else { | |
420 | /* There's no resource in 88PM8606 PREG regulator driver */ | |
421 | info = &pm8606_regulator_info[0]; | |
422 | /* i is used to check regulator ID */ | |
423 | i = -1; | |
be0e2d3e | 424 | } |
53dbab7a | 425 | info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; |
e7a7810a JZ |
426 | info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion : |
427 | chip->client; | |
be0e2d3e HZ |
428 | info->chip = chip; |
429 | ||
22aad001 | 430 | /* check DVC ramp slope double */ |
586e1a17 HZ |
431 | if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double) |
432 | info->slope_double = 1; | |
22aad001 | 433 | |
c172708d | 434 | config.dev = &pdev->dev; |
c172708d MB |
435 | config.driver_data = info; |
436 | ||
2e57d567 HZ |
437 | if (pm8607_regulator_dt_init(pdev, info, &config)) |
438 | if (pdata) | |
439 | config.init_data = pdata; | |
440 | ||
ef26e0db AL |
441 | if (chip->id == CHIP_PM8607) |
442 | config.regmap = chip->regmap; | |
443 | else | |
444 | config.regmap = chip->regmap_companion; | |
445 | ||
c172708d | 446 | info->regulator = regulator_register(&info->desc, &config); |
be0e2d3e HZ |
447 | if (IS_ERR(info->regulator)) { |
448 | dev_err(&pdev->dev, "failed to register regulator %s\n", | |
449 | info->desc.name); | |
450 | return PTR_ERR(info->regulator); | |
451 | } | |
452 | ||
be0e2d3e HZ |
453 | platform_set_drvdata(pdev, info); |
454 | return 0; | |
455 | } | |
456 | ||
457 | static int __devexit pm8607_regulator_remove(struct platform_device *pdev) | |
458 | { | |
459 | struct pm8607_regulator_info *info = platform_get_drvdata(pdev); | |
460 | ||
192bbb95 | 461 | platform_set_drvdata(pdev, NULL); |
be0e2d3e HZ |
462 | regulator_unregister(info->regulator); |
463 | return 0; | |
464 | } | |
465 | ||
e7a7810a JZ |
466 | static struct platform_device_id pm8607_regulator_driver_ids[] = { |
467 | { | |
468 | .name = "88pm860x-regulator", | |
469 | .driver_data = 0, | |
470 | }, { | |
471 | .name = "88pm860x-preg", | |
472 | .driver_data = 0, | |
473 | }, | |
474 | { }, | |
475 | }; | |
476 | MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids); | |
477 | ||
192bbb95 HZ |
478 | static struct platform_driver pm8607_regulator_driver = { |
479 | .driver = { | |
480 | .name = "88pm860x-regulator", | |
481 | .owner = THIS_MODULE, | |
482 | }, | |
483 | .probe = pm8607_regulator_probe, | |
5eb9f2b9 | 484 | .remove = pm8607_regulator_remove, |
e7a7810a | 485 | .id_table = pm8607_regulator_driver_ids, |
be0e2d3e HZ |
486 | }; |
487 | ||
488 | static int __init pm8607_regulator_init(void) | |
489 | { | |
192bbb95 | 490 | return platform_driver_register(&pm8607_regulator_driver); |
be0e2d3e HZ |
491 | } |
492 | subsys_initcall(pm8607_regulator_init); | |
493 | ||
494 | static void __exit pm8607_regulator_exit(void) | |
495 | { | |
192bbb95 | 496 | platform_driver_unregister(&pm8607_regulator_driver); |
be0e2d3e HZ |
497 | } |
498 | module_exit(pm8607_regulator_exit); | |
499 | ||
500 | MODULE_LICENSE("GPL"); | |
501 | MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); | |
502 | MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC"); | |
503 | MODULE_ALIAS("platform:88pm8607-regulator"); |