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be0e2d3e HZ |
1 | /* |
2 | * Regulators driver for Marvell 88PM8607 | |
3 | * | |
4 | * Copyright (C) 2009 Marvell International Ltd. | |
e54f19bf | 5 | * Haojian Zhuang <haojian.zhuang@marvell.com> |
be0e2d3e HZ |
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> | |
2e57d567 HZ |
14 | #include <linux/of.h> |
15 | #include <linux/regulator/of_regulator.h> | |
be0e2d3e HZ |
16 | #include <linux/platform_device.h> |
17 | #include <linux/regulator/driver.h> | |
18 | #include <linux/regulator/machine.h> | |
53dbab7a | 19 | #include <linux/mfd/88pm860x.h> |
65602c32 | 20 | #include <linux/module.h> |
be0e2d3e HZ |
21 | |
22 | struct pm8607_regulator_info { | |
23 | struct regulator_desc desc; | |
be0e2d3e | 24 | |
9f79e9db HZ |
25 | unsigned int *vol_suspend; |
26 | ||
be0e2d3e HZ |
27 | int slope_double; |
28 | }; | |
29 | ||
9f79e9db HZ |
30 | static const unsigned int BUCK1_table[] = { |
31 | 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000, | |
32 | 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000, | |
33 | 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, | |
34 | 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000, | |
35 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, | |
36 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, | |
37 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
38 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
39 | }; | |
be0e2d3e | 40 | |
9f79e9db HZ |
41 | static const unsigned int BUCK1_suspend_table[] = { |
42 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, | |
43 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, | |
44 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
45 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
46 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, | |
47 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, | |
48 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, | |
49 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, | |
50 | }; | |
51 | ||
52 | static const unsigned int BUCK2_table[] = { | |
53 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, | |
54 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, | |
55 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, | |
56 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, | |
57 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, | |
58 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, | |
59 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, | |
60 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, | |
61 | }; | |
62 | ||
63 | static const unsigned int BUCK2_suspend_table[] = { | |
64 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, | |
65 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, | |
66 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, | |
67 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, | |
68 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, | |
69 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, | |
70 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, | |
71 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, | |
72 | }; | |
73 | ||
74 | static const unsigned int BUCK3_table[] = { | |
e54f19bf | 75 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
9f79e9db HZ |
76 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
77 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
78 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
79 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, | |
80 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, | |
81 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, | |
82 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, | |
83 | }; | |
84 | ||
85 | static const unsigned int BUCK3_suspend_table[] = { | |
e54f19bf | 86 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
9f79e9db HZ |
87 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
88 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
89 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
90 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, | |
91 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, | |
92 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, | |
93 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, | |
94 | }; | |
95 | ||
96 | static const unsigned int LDO1_table[] = { | |
97 | 1800000, 1200000, 2800000, 0, | |
98 | }; | |
99 | ||
100 | static const unsigned int LDO1_suspend_table[] = { | |
101 | 1800000, 1200000, 0, 0, | |
102 | }; | |
103 | ||
104 | static const unsigned int LDO2_table[] = { | |
105 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
106 | }; | |
107 | ||
108 | static const unsigned int LDO2_suspend_table[] = { | |
109 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
110 | }; | |
111 | ||
112 | static const unsigned int LDO3_table[] = { | |
113 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
114 | }; | |
115 | ||
116 | static const unsigned int LDO3_suspend_table[] = { | |
117 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
118 | }; | |
119 | ||
120 | static const unsigned int LDO4_table[] = { | |
121 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000, | |
122 | }; | |
123 | ||
124 | static const unsigned int LDO4_suspend_table[] = { | |
125 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000, | |
126 | }; | |
127 | ||
128 | static const unsigned int LDO5_table[] = { | |
129 | 2900000, 3000000, 3100000, 3300000, | |
130 | }; | |
131 | ||
132 | static const unsigned int LDO5_suspend_table[] = { | |
133 | 2900000, 0, 0, 0, | |
134 | }; | |
135 | ||
136 | static const unsigned int LDO6_table[] = { | |
137 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000, | |
138 | }; | |
139 | ||
140 | static const unsigned int LDO6_suspend_table[] = { | |
141 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000, | |
142 | }; | |
143 | ||
144 | static const unsigned int LDO7_table[] = { | |
145 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
146 | }; | |
147 | ||
148 | static const unsigned int LDO7_suspend_table[] = { | |
149 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
150 | }; | |
151 | ||
152 | static const unsigned int LDO8_table[] = { | |
153 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
154 | }; | |
155 | ||
156 | static const unsigned int LDO8_suspend_table[] = { | |
157 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
158 | }; | |
159 | ||
160 | static const unsigned int LDO9_table[] = { | |
161 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
162 | }; | |
163 | ||
164 | static const unsigned int LDO9_suspend_table[] = { | |
165 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
166 | }; | |
167 | ||
168 | static const unsigned int LDO10_table[] = { | |
169 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
170 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
171 | }; | |
172 | ||
173 | static const unsigned int LDO10_suspend_table[] = { | |
174 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
175 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
176 | }; | |
177 | ||
178 | static const unsigned int LDO12_table[] = { | |
179 | 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000, | |
180 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
181 | }; | |
182 | ||
183 | static const unsigned int LDO12_suspend_table[] = { | |
184 | 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000, | |
185 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
186 | }; | |
187 | ||
188 | static const unsigned int LDO13_table[] = { | |
3380643b | 189 | 1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, |
9f79e9db HZ |
190 | }; |
191 | ||
192 | static const unsigned int LDO13_suspend_table[] = { | |
193 | 0, | |
194 | }; | |
195 | ||
196 | static const unsigned int LDO14_table[] = { | |
197 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000, | |
198 | }; | |
199 | ||
200 | static const unsigned int LDO14_suspend_table[] = { | |
201 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000, | |
202 | }; | |
be0e2d3e HZ |
203 | |
204 | static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) | |
205 | { | |
206 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); | |
2654d368 AL |
207 | int ret; |
208 | ||
209 | ret = regulator_list_voltage_table(rdev, index); | |
210 | if (ret < 0) | |
211 | return ret; | |
212 | ||
213 | if (info->slope_double) | |
214 | ret <<= 1; | |
be0e2d3e | 215 | |
be0e2d3e HZ |
216 | return ret; |
217 | } | |
218 | ||
32cb5d30 | 219 | static const struct regulator_ops pm8607_regulator_ops = { |
d3d7bccc | 220 | .list_voltage = pm8607_list_voltage, |
c6f0a0ef | 221 | .set_voltage_sel = regulator_set_voltage_sel_regmap, |
c006b21f | 222 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
ef26e0db AL |
223 | .enable = regulator_enable_regmap, |
224 | .disable = regulator_disable_regmap, | |
225 | .is_enabled = regulator_is_enabled_regmap, | |
be0e2d3e HZ |
226 | }; |
227 | ||
32cb5d30 | 228 | static const struct regulator_ops pm8606_preg_ops = { |
318c658b AL |
229 | .enable = regulator_enable_regmap, |
230 | .disable = regulator_disable_regmap, | |
231 | .is_enabled = regulator_is_enabled_regmap, | |
e7a7810a JZ |
232 | }; |
233 | ||
234 | #define PM8606_PREG(ereg, ebit) \ | |
235 | { \ | |
236 | .desc = { \ | |
237 | .name = "PREG", \ | |
e6626427 AL |
238 | .of_match = of_match_ptr("PREG"), \ |
239 | .regulators_node = of_match_ptr("regulators"), \ | |
e7a7810a JZ |
240 | .ops = &pm8606_preg_ops, \ |
241 | .type = REGULATOR_CURRENT, \ | |
242 | .id = PM8606_ID_PREG, \ | |
243 | .owner = THIS_MODULE, \ | |
244 | .enable_reg = PM8606_##ereg, \ | |
245 | .enable_mask = (ebit), \ | |
318c658b | 246 | .enable_is_inverted = true, \ |
e7a7810a JZ |
247 | }, \ |
248 | } | |
249 | ||
53b6949e | 250 | #define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \ |
be0e2d3e HZ |
251 | { \ |
252 | .desc = { \ | |
9f79e9db | 253 | .name = #vreg, \ |
e6626427 AL |
254 | .of_match = of_match_ptr(#vreg), \ |
255 | .regulators_node = of_match_ptr("regulators"), \ | |
be0e2d3e HZ |
256 | .ops = &pm8607_regulator_ops, \ |
257 | .type = REGULATOR_VOLTAGE, \ | |
9f79e9db | 258 | .id = PM8607_ID_##vreg, \ |
be0e2d3e | 259 | .owner = THIS_MODULE, \ |
2654d368 | 260 | .volt_table = vreg##_table, \ |
53b6949e | 261 | .n_voltages = ARRAY_SIZE(vreg##_table), \ |
c006b21f AL |
262 | .vsel_reg = PM8607_##vreg, \ |
263 | .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \ | |
c6f0a0ef AL |
264 | .apply_reg = PM8607_##ureg, \ |
265 | .apply_bit = (ubit), \ | |
ef26e0db AL |
266 | .enable_reg = PM8607_##ereg, \ |
267 | .enable_mask = 1 << (ebit), \ | |
be0e2d3e | 268 | }, \ |
be0e2d3e | 269 | .slope_double = (0), \ |
9f79e9db | 270 | .vol_suspend = (unsigned int *)&vreg##_suspend_table, \ |
be0e2d3e HZ |
271 | } |
272 | ||
53b6949e | 273 | #define PM8607_LDO(_id, vreg, shift, ereg, ebit) \ |
be0e2d3e HZ |
274 | { \ |
275 | .desc = { \ | |
276 | .name = "LDO" #_id, \ | |
e6626427 AL |
277 | .of_match = of_match_ptr("LDO" #_id), \ |
278 | .regulators_node = of_match_ptr("regulators"), \ | |
be0e2d3e HZ |
279 | .ops = &pm8607_regulator_ops, \ |
280 | .type = REGULATOR_VOLTAGE, \ | |
281 | .id = PM8607_ID_LDO##_id, \ | |
282 | .owner = THIS_MODULE, \ | |
2654d368 | 283 | .volt_table = LDO##_id##_table, \ |
53b6949e | 284 | .n_voltages = ARRAY_SIZE(LDO##_id##_table), \ |
c006b21f AL |
285 | .vsel_reg = PM8607_##vreg, \ |
286 | .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \ | |
ef26e0db AL |
287 | .enable_reg = PM8607_##ereg, \ |
288 | .enable_mask = 1 << (ebit), \ | |
be0e2d3e | 289 | }, \ |
be0e2d3e | 290 | .slope_double = (0), \ |
9f79e9db | 291 | .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \ |
be0e2d3e HZ |
292 | } |
293 | ||
294 | static struct pm8607_regulator_info pm8607_regulator_info[] = { | |
c6f0a0ef AL |
295 | PM8607_DVC(BUCK1, GO, BIT(0), SUPPLIES_EN11, 0), |
296 | PM8607_DVC(BUCK2, GO, BIT(1), SUPPLIES_EN11, 1), | |
297 | PM8607_DVC(BUCK3, GO, BIT(2), SUPPLIES_EN11, 2), | |
53b6949e AL |
298 | |
299 | PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3), | |
300 | PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4), | |
301 | PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5), | |
302 | PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6), | |
303 | PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7), | |
304 | PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0), | |
305 | PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1), | |
306 | PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2), | |
307 | PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3), | |
308 | PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4), | |
309 | PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5), | |
310 | PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0), | |
311 | PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6), | |
ff13e9e2 | 312 | }; |
e7a7810a | 313 | |
ff13e9e2 | 314 | static struct pm8607_regulator_info pm8606_regulator_info[] = { |
e7a7810a | 315 | PM8606_PREG(PREREGULATORB, 5), |
be0e2d3e HZ |
316 | }; |
317 | ||
a5023574 | 318 | static int pm8607_regulator_probe(struct platform_device *pdev) |
be0e2d3e | 319 | { |
22aad001 HZ |
320 | struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); |
321 | struct pm8607_regulator_info *info = NULL; | |
dff91d0b | 322 | struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev); |
c172708d | 323 | struct regulator_config config = { }; |
0e819b51 | 324 | struct regulator_dev *rdev; |
586e1a17 | 325 | struct resource *res; |
be0e2d3e HZ |
326 | int i; |
327 | ||
02367029 | 328 | res = platform_get_resource(pdev, IORESOURCE_REG, 0); |
ff13e9e2 HZ |
329 | if (res) { |
330 | /* There're resources in 88PM8607 regulator driver */ | |
331 | for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { | |
332 | info = &pm8607_regulator_info[i]; | |
333 | if (info->desc.vsel_reg == res->start) | |
334 | break; | |
335 | } | |
336 | if (i == ARRAY_SIZE(pm8607_regulator_info)) { | |
337 | dev_err(&pdev->dev, "Failed to find regulator %llu\n", | |
338 | (unsigned long long)res->start); | |
339 | return -EINVAL; | |
340 | } | |
341 | } else { | |
342 | /* There's no resource in 88PM8606 PREG regulator driver */ | |
343 | info = &pm8606_regulator_info[0]; | |
344 | /* i is used to check regulator ID */ | |
345 | i = -1; | |
be0e2d3e | 346 | } |
be0e2d3e | 347 | |
22aad001 | 348 | /* check DVC ramp slope double */ |
0e819b51 | 349 | if ((i == PM8607_ID_BUCK3) && chip->buck3_double) |
586e1a17 | 350 | info->slope_double = 1; |
22aad001 | 351 | |
e6626427 | 352 | config.dev = chip->dev; |
c172708d MB |
353 | config.driver_data = info; |
354 | ||
e6626427 AL |
355 | if (pdata) |
356 | config.init_data = pdata; | |
2e57d567 | 357 | |
ef26e0db AL |
358 | if (chip->id == CHIP_PM8607) |
359 | config.regmap = chip->regmap; | |
360 | else | |
361 | config.regmap = chip->regmap_companion; | |
362 | ||
0e819b51 AL |
363 | rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); |
364 | if (IS_ERR(rdev)) { | |
be0e2d3e HZ |
365 | dev_err(&pdev->dev, "failed to register regulator %s\n", |
366 | info->desc.name); | |
0e819b51 | 367 | return PTR_ERR(rdev); |
be0e2d3e HZ |
368 | } |
369 | ||
be0e2d3e HZ |
370 | platform_set_drvdata(pdev, info); |
371 | return 0; | |
372 | } | |
373 | ||
0cfeddbd | 374 | static const struct platform_device_id pm8607_regulator_driver_ids[] = { |
e7a7810a JZ |
375 | { |
376 | .name = "88pm860x-regulator", | |
377 | .driver_data = 0, | |
378 | }, { | |
379 | .name = "88pm860x-preg", | |
380 | .driver_data = 0, | |
381 | }, | |
382 | { }, | |
383 | }; | |
384 | MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids); | |
385 | ||
192bbb95 HZ |
386 | static struct platform_driver pm8607_regulator_driver = { |
387 | .driver = { | |
388 | .name = "88pm860x-regulator", | |
192bbb95 HZ |
389 | }, |
390 | .probe = pm8607_regulator_probe, | |
e7a7810a | 391 | .id_table = pm8607_regulator_driver_ids, |
be0e2d3e HZ |
392 | }; |
393 | ||
394 | static int __init pm8607_regulator_init(void) | |
395 | { | |
192bbb95 | 396 | return platform_driver_register(&pm8607_regulator_driver); |
be0e2d3e HZ |
397 | } |
398 | subsys_initcall(pm8607_regulator_init); | |
399 | ||
400 | static void __exit pm8607_regulator_exit(void) | |
401 | { | |
192bbb95 | 402 | platform_driver_unregister(&pm8607_regulator_driver); |
be0e2d3e HZ |
403 | } |
404 | module_exit(pm8607_regulator_exit); | |
405 | ||
406 | MODULE_LICENSE("GPL"); | |
407 | MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); | |
408 | MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC"); | |
409 | MODULE_ALIAS("platform:88pm8607-regulator"); |