Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 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> |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 14 | #include <linux/i2c.h> |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 15 | #include <linux/platform_device.h> |
| 16 | #include <linux/regulator/driver.h> |
| 17 | #include <linux/regulator/machine.h> |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 18 | #include <linux/mfd/88pm860x.h> |
Paul Gortmaker | 65602c3 | 2011-07-17 16:28:23 -0400 | [diff] [blame] | 19 | #include <linux/module.h> |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 20 | |
| 21 | struct pm8607_regulator_info { |
| 22 | struct regulator_desc desc; |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 23 | struct pm860x_chip *chip; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 24 | struct regulator_dev *regulator; |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 25 | struct i2c_client *i2c; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 26 | |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 27 | unsigned int *vol_table; |
| 28 | unsigned int *vol_suspend; |
| 29 | |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 30 | int vol_reg; |
| 31 | int vol_shift; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 32 | int update_reg; |
| 33 | int update_bit; |
| 34 | int enable_reg; |
| 35 | int enable_bit; |
| 36 | int slope_double; |
| 37 | }; |
| 38 | |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 39 | static const unsigned int BUCK1_table[] = { |
| 40 | 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000, |
| 41 | 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000, |
| 42 | 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, |
| 43 | 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000, |
| 44 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
| 45 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
| 46 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, |
| 47 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, |
| 48 | }; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 49 | |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 50 | static const unsigned int BUCK1_suspend_table[] = { |
| 51 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
| 52 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
| 53 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, |
| 54 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, |
| 55 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, |
| 56 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, |
| 57 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, |
| 58 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, |
| 59 | }; |
| 60 | |
| 61 | static const unsigned int BUCK2_table[] = { |
| 62 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, |
| 63 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, |
| 64 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, |
| 65 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, |
| 66 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, |
| 67 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, |
| 68 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, |
| 69 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, |
| 70 | }; |
| 71 | |
| 72 | static const unsigned int BUCK2_suspend_table[] = { |
| 73 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, |
| 74 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, |
| 75 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, |
| 76 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, |
| 77 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, |
| 78 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, |
| 79 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, |
| 80 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, |
| 81 | }; |
| 82 | |
| 83 | static const unsigned int BUCK3_table[] = { |
| 84 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
| 85 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
| 86 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, |
| 87 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, |
| 88 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, |
| 89 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, |
| 90 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, |
| 91 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, |
| 92 | }; |
| 93 | |
| 94 | static const unsigned int BUCK3_suspend_table[] = { |
| 95 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
| 96 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
| 97 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, |
| 98 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, |
| 99 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, |
| 100 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, |
| 101 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, |
| 102 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, |
| 103 | }; |
| 104 | |
| 105 | static const unsigned int LDO1_table[] = { |
| 106 | 1800000, 1200000, 2800000, 0, |
| 107 | }; |
| 108 | |
| 109 | static const unsigned int LDO1_suspend_table[] = { |
| 110 | 1800000, 1200000, 0, 0, |
| 111 | }; |
| 112 | |
| 113 | static const unsigned int LDO2_table[] = { |
| 114 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, |
| 115 | }; |
| 116 | |
| 117 | static const unsigned int LDO2_suspend_table[] = { |
| 118 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 119 | }; |
| 120 | |
| 121 | static const unsigned int LDO3_table[] = { |
| 122 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, |
| 123 | }; |
| 124 | |
| 125 | static const unsigned int LDO3_suspend_table[] = { |
| 126 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 127 | }; |
| 128 | |
| 129 | static const unsigned int LDO4_table[] = { |
| 130 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000, |
| 131 | }; |
| 132 | |
| 133 | static const unsigned int LDO4_suspend_table[] = { |
| 134 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000, |
| 135 | }; |
| 136 | |
| 137 | static const unsigned int LDO5_table[] = { |
| 138 | 2900000, 3000000, 3100000, 3300000, |
| 139 | }; |
| 140 | |
| 141 | static const unsigned int LDO5_suspend_table[] = { |
| 142 | 2900000, 0, 0, 0, |
| 143 | }; |
| 144 | |
| 145 | static const unsigned int LDO6_table[] = { |
| 146 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000, |
| 147 | }; |
| 148 | |
| 149 | static const unsigned int LDO6_suspend_table[] = { |
| 150 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000, |
| 151 | }; |
| 152 | |
| 153 | static const unsigned int LDO7_table[] = { |
| 154 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 155 | }; |
| 156 | |
| 157 | static const unsigned int LDO7_suspend_table[] = { |
| 158 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 159 | }; |
| 160 | |
| 161 | static const unsigned int LDO8_table[] = { |
| 162 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 163 | }; |
| 164 | |
| 165 | static const unsigned int LDO8_suspend_table[] = { |
| 166 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 167 | }; |
| 168 | |
| 169 | static const unsigned int LDO9_table[] = { |
| 170 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, |
| 171 | }; |
| 172 | |
| 173 | static const unsigned int LDO9_suspend_table[] = { |
| 174 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 175 | }; |
| 176 | |
| 177 | static const unsigned int LDO10_table[] = { |
| 178 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, |
| 179 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, |
| 180 | }; |
| 181 | |
| 182 | static const unsigned int LDO10_suspend_table[] = { |
| 183 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 184 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, |
| 185 | }; |
| 186 | |
| 187 | static const unsigned int LDO12_table[] = { |
| 188 | 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000, |
| 189 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, |
| 190 | }; |
| 191 | |
| 192 | static const unsigned int LDO12_suspend_table[] = { |
| 193 | 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000, |
| 194 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, |
| 195 | }; |
| 196 | |
| 197 | static const unsigned int LDO13_table[] = { |
Jett.Zhou | 3380643 | 2012-02-23 19:52:08 +0800 | [diff] [blame] | 198 | 1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 199 | }; |
| 200 | |
| 201 | static const unsigned int LDO13_suspend_table[] = { |
| 202 | 0, |
| 203 | }; |
| 204 | |
| 205 | static const unsigned int LDO14_table[] = { |
| 206 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000, |
| 207 | }; |
| 208 | |
| 209 | static const unsigned int LDO14_suspend_table[] = { |
| 210 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000, |
| 211 | }; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 212 | |
| 213 | static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) |
| 214 | { |
| 215 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 216 | int ret = -EINVAL; |
| 217 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 218 | if (info->vol_table && (index < rdev->desc->n_voltages)) { |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 219 | ret = info->vol_table[index]; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 220 | if (info->slope_double) |
| 221 | ret <<= 1; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 222 | } |
| 223 | return ret; |
| 224 | } |
| 225 | |
Axel Lin | 4ca1e1d | 2012-03-28 15:00:36 +0800 | [diff] [blame] | 226 | static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 227 | { |
| 228 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 229 | uint8_t val, mask; |
| 230 | int ret; |
| 231 | |
Axel Lin | 4ca1e1d | 2012-03-28 15:00:36 +0800 | [diff] [blame] | 232 | val = (uint8_t)(selector << info->vol_shift); |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 233 | mask = (rdev->desc->n_voltages - 1) << info->vol_shift; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 234 | |
Axel Lin | 4ca1e1d | 2012-03-28 15:00:36 +0800 | [diff] [blame] | 235 | ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, selector); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 236 | if (ret) |
| 237 | return ret; |
| 238 | switch (info->desc.id) { |
| 239 | case PM8607_ID_BUCK1: |
| 240 | case PM8607_ID_BUCK3: |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 241 | ret = pm860x_set_bits(info->i2c, info->update_reg, |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 242 | 1 << info->update_bit, |
| 243 | 1 << info->update_bit); |
| 244 | break; |
| 245 | } |
| 246 | return ret; |
| 247 | } |
| 248 | |
Axel Lin | 509cbf8 | 2012-03-28 15:01:48 +0800 | [diff] [blame^] | 249 | static int pm8607_get_voltage_sel(struct regulator_dev *rdev) |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 250 | { |
| 251 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 252 | uint8_t val, mask; |
| 253 | int ret; |
| 254 | |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 255 | ret = pm860x_reg_read(info->i2c, info->vol_reg); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 256 | if (ret < 0) |
| 257 | return ret; |
| 258 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 259 | mask = (rdev->desc->n_voltages - 1) << info->vol_shift; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 260 | val = ((unsigned char)ret & mask) >> info->vol_shift; |
| 261 | |
Axel Lin | 509cbf8 | 2012-03-28 15:01:48 +0800 | [diff] [blame^] | 262 | return val; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | static int pm8607_enable(struct regulator_dev *rdev) |
| 266 | { |
| 267 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 268 | |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 269 | return pm860x_set_bits(info->i2c, info->enable_reg, |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 270 | 1 << info->enable_bit, |
| 271 | 1 << info->enable_bit); |
| 272 | } |
| 273 | |
| 274 | static int pm8607_disable(struct regulator_dev *rdev) |
| 275 | { |
| 276 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 277 | |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 278 | return pm860x_set_bits(info->i2c, info->enable_reg, |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 279 | 1 << info->enable_bit, 0); |
| 280 | } |
| 281 | |
| 282 | static int pm8607_is_enabled(struct regulator_dev *rdev) |
| 283 | { |
| 284 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 285 | int ret; |
| 286 | |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 287 | ret = pm860x_reg_read(info->i2c, info->enable_reg); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 288 | if (ret < 0) |
| 289 | return ret; |
| 290 | |
| 291 | return !!((unsigned char)ret & (1 << info->enable_bit)); |
| 292 | } |
| 293 | |
| 294 | static struct regulator_ops pm8607_regulator_ops = { |
Axel Lin | d3d7bcc | 2012-03-28 14:58:29 +0800 | [diff] [blame] | 295 | .list_voltage = pm8607_list_voltage, |
Axel Lin | 4ca1e1d | 2012-03-28 15:00:36 +0800 | [diff] [blame] | 296 | .set_voltage_sel = pm8607_set_voltage_sel, |
Axel Lin | 509cbf8 | 2012-03-28 15:01:48 +0800 | [diff] [blame^] | 297 | .get_voltage_sel = pm8607_get_voltage_sel, |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 298 | .enable = pm8607_enable, |
| 299 | .disable = pm8607_disable, |
| 300 | .is_enabled = pm8607_is_enabled, |
| 301 | }; |
| 302 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 303 | #define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 304 | { \ |
| 305 | .desc = { \ |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 306 | .name = #vreg, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 307 | .ops = &pm8607_regulator_ops, \ |
| 308 | .type = REGULATOR_VOLTAGE, \ |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 309 | .id = PM8607_ID_##vreg, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 310 | .owner = THIS_MODULE, \ |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 311 | .n_voltages = ARRAY_SIZE(vreg##_table), \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 312 | }, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 313 | .vol_reg = PM8607_##vreg, \ |
| 314 | .vol_shift = (0), \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 315 | .update_reg = PM8607_##ureg, \ |
| 316 | .update_bit = (ubit), \ |
| 317 | .enable_reg = PM8607_##ereg, \ |
| 318 | .enable_bit = (ebit), \ |
| 319 | .slope_double = (0), \ |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 320 | .vol_table = (unsigned int *)&vreg##_table, \ |
| 321 | .vol_suspend = (unsigned int *)&vreg##_suspend_table, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 322 | } |
| 323 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 324 | #define PM8607_LDO(_id, vreg, shift, ereg, ebit) \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 325 | { \ |
| 326 | .desc = { \ |
| 327 | .name = "LDO" #_id, \ |
| 328 | .ops = &pm8607_regulator_ops, \ |
| 329 | .type = REGULATOR_VOLTAGE, \ |
| 330 | .id = PM8607_ID_LDO##_id, \ |
| 331 | .owner = THIS_MODULE, \ |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 332 | .n_voltages = ARRAY_SIZE(LDO##_id##_table), \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 333 | }, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 334 | .vol_reg = PM8607_##vreg, \ |
| 335 | .vol_shift = (shift), \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 336 | .enable_reg = PM8607_##ereg, \ |
| 337 | .enable_bit = (ebit), \ |
| 338 | .slope_double = (0), \ |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 339 | .vol_table = (unsigned int *)&LDO##_id##_table, \ |
| 340 | .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | static struct pm8607_regulator_info pm8607_regulator_info[] = { |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 344 | PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0), |
| 345 | PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1), |
| 346 | PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2), |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 347 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 348 | PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3), |
| 349 | PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4), |
| 350 | PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5), |
| 351 | PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6), |
| 352 | PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7), |
| 353 | PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0), |
| 354 | PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1), |
| 355 | PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2), |
| 356 | PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3), |
| 357 | PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4), |
| 358 | PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5), |
| 359 | PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0), |
| 360 | PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6), |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 361 | }; |
| 362 | |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 363 | static int __devinit pm8607_regulator_probe(struct platform_device *pdev) |
| 364 | { |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 365 | struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 366 | struct pm8607_regulator_info *info = NULL; |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 367 | struct regulator_init_data *pdata = pdev->dev.platform_data; |
| 368 | struct resource *res; |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 369 | int i; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 370 | |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 371 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
| 372 | if (res == NULL) { |
| 373 | dev_err(&pdev->dev, "No I/O resource!\n"); |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 374 | return -EINVAL; |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 375 | } |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 376 | for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { |
| 377 | info = &pm8607_regulator_info[i]; |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 378 | if (info->desc.id == res->start) |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 379 | break; |
| 380 | } |
Axel Lin | 99cd25c | 2011-08-04 16:18:11 +0800 | [diff] [blame] | 381 | if (i == ARRAY_SIZE(pm8607_regulator_info)) { |
Randy Dunlap | 0996910 | 2011-05-26 10:16:15 -0700 | [diff] [blame] | 382 | dev_err(&pdev->dev, "Failed to find regulator %llu\n", |
| 383 | (unsigned long long)res->start); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 384 | return -EINVAL; |
| 385 | } |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 386 | info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 387 | info->chip = chip; |
| 388 | |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 389 | /* check DVC ramp slope double */ |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 390 | if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double) |
| 391 | info->slope_double = 1; |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 392 | |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 393 | /* replace driver_data with info */ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 394 | info->regulator = regulator_register(&info->desc, &pdev->dev, |
Rajendra Nayak | 2c043bc | 2011-11-18 16:47:19 +0530 | [diff] [blame] | 395 | pdata, info, NULL); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 396 | if (IS_ERR(info->regulator)) { |
| 397 | dev_err(&pdev->dev, "failed to register regulator %s\n", |
| 398 | info->desc.name); |
| 399 | return PTR_ERR(info->regulator); |
| 400 | } |
| 401 | |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 402 | platform_set_drvdata(pdev, info); |
| 403 | return 0; |
| 404 | } |
| 405 | |
| 406 | static int __devexit pm8607_regulator_remove(struct platform_device *pdev) |
| 407 | { |
| 408 | struct pm8607_regulator_info *info = platform_get_drvdata(pdev); |
| 409 | |
Haojian Zhuang | 192bbb9 | 2010-04-29 13:33:50 -0400 | [diff] [blame] | 410 | platform_set_drvdata(pdev, NULL); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 411 | regulator_unregister(info->regulator); |
| 412 | return 0; |
| 413 | } |
| 414 | |
Haojian Zhuang | 192bbb9 | 2010-04-29 13:33:50 -0400 | [diff] [blame] | 415 | static struct platform_driver pm8607_regulator_driver = { |
| 416 | .driver = { |
| 417 | .name = "88pm860x-regulator", |
| 418 | .owner = THIS_MODULE, |
| 419 | }, |
| 420 | .probe = pm8607_regulator_probe, |
| 421 | .remove = __devexit_p(pm8607_regulator_remove), |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 422 | }; |
| 423 | |
| 424 | static int __init pm8607_regulator_init(void) |
| 425 | { |
Haojian Zhuang | 192bbb9 | 2010-04-29 13:33:50 -0400 | [diff] [blame] | 426 | return platform_driver_register(&pm8607_regulator_driver); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 427 | } |
| 428 | subsys_initcall(pm8607_regulator_init); |
| 429 | |
| 430 | static void __exit pm8607_regulator_exit(void) |
| 431 | { |
Haojian Zhuang | 192bbb9 | 2010-04-29 13:33:50 -0400 | [diff] [blame] | 432 | platform_driver_unregister(&pm8607_regulator_driver); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 433 | } |
| 434 | module_exit(pm8607_regulator_exit); |
| 435 | |
| 436 | MODULE_LICENSE("GPL"); |
| 437 | MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); |
| 438 | MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC"); |
| 439 | MODULE_ALIAS("platform:88pm8607-regulator"); |