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; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 34 | int slope_double; |
| 35 | }; |
| 36 | |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 37 | static const unsigned int BUCK1_table[] = { |
| 38 | 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000, |
| 39 | 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000, |
| 40 | 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, |
| 41 | 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000, |
| 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 | }; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 47 | |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 48 | static const unsigned int BUCK1_suspend_table[] = { |
| 49 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
| 50 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
| 51 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, |
| 52 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, |
| 53 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, |
| 54 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, |
| 55 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, |
| 56 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, |
| 57 | }; |
| 58 | |
| 59 | static const unsigned int BUCK2_table[] = { |
| 60 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, |
| 61 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, |
| 62 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, |
| 63 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, |
| 64 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, |
| 65 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, |
| 66 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, |
| 67 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, |
| 68 | }; |
| 69 | |
| 70 | static const unsigned int BUCK2_suspend_table[] = { |
| 71 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, |
| 72 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, |
| 73 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, |
| 74 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, |
| 75 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, |
| 76 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, |
| 77 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, |
| 78 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, |
| 79 | }; |
| 80 | |
| 81 | static const unsigned int BUCK3_table[] = { |
| 82 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
| 83 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
| 84 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, |
| 85 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, |
| 86 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, |
| 87 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, |
| 88 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, |
| 89 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, |
| 90 | }; |
| 91 | |
| 92 | static const unsigned int BUCK3_suspend_table[] = { |
| 93 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
| 94 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
| 95 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, |
| 96 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, |
| 97 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, |
| 98 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, |
| 99 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, |
| 100 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, |
| 101 | }; |
| 102 | |
| 103 | static const unsigned int LDO1_table[] = { |
| 104 | 1800000, 1200000, 2800000, 0, |
| 105 | }; |
| 106 | |
| 107 | static const unsigned int LDO1_suspend_table[] = { |
| 108 | 1800000, 1200000, 0, 0, |
| 109 | }; |
| 110 | |
| 111 | static const unsigned int LDO2_table[] = { |
| 112 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, |
| 113 | }; |
| 114 | |
| 115 | static const unsigned int LDO2_suspend_table[] = { |
| 116 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 117 | }; |
| 118 | |
| 119 | static const unsigned int LDO3_table[] = { |
| 120 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, |
| 121 | }; |
| 122 | |
| 123 | static const unsigned int LDO3_suspend_table[] = { |
| 124 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 125 | }; |
| 126 | |
| 127 | static const unsigned int LDO4_table[] = { |
| 128 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000, |
| 129 | }; |
| 130 | |
| 131 | static const unsigned int LDO4_suspend_table[] = { |
| 132 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000, |
| 133 | }; |
| 134 | |
| 135 | static const unsigned int LDO5_table[] = { |
| 136 | 2900000, 3000000, 3100000, 3300000, |
| 137 | }; |
| 138 | |
| 139 | static const unsigned int LDO5_suspend_table[] = { |
| 140 | 2900000, 0, 0, 0, |
| 141 | }; |
| 142 | |
| 143 | static const unsigned int LDO6_table[] = { |
| 144 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000, |
| 145 | }; |
| 146 | |
| 147 | static const unsigned int LDO6_suspend_table[] = { |
| 148 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000, |
| 149 | }; |
| 150 | |
| 151 | static const unsigned int LDO7_table[] = { |
| 152 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 153 | }; |
| 154 | |
| 155 | static const unsigned int LDO7_suspend_table[] = { |
| 156 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 157 | }; |
| 158 | |
| 159 | static const unsigned int LDO8_table[] = { |
| 160 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 161 | }; |
| 162 | |
| 163 | static const unsigned int LDO8_suspend_table[] = { |
| 164 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 165 | }; |
| 166 | |
| 167 | static const unsigned int LDO9_table[] = { |
| 168 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, |
| 169 | }; |
| 170 | |
| 171 | static const unsigned int LDO9_suspend_table[] = { |
| 172 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 173 | }; |
| 174 | |
| 175 | static const unsigned int LDO10_table[] = { |
| 176 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, |
| 177 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, |
| 178 | }; |
| 179 | |
| 180 | static const unsigned int LDO10_suspend_table[] = { |
| 181 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, |
| 182 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, |
| 183 | }; |
| 184 | |
| 185 | static const unsigned int LDO12_table[] = { |
| 186 | 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000, |
| 187 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, |
| 188 | }; |
| 189 | |
| 190 | static const unsigned int LDO12_suspend_table[] = { |
| 191 | 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000, |
| 192 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, |
| 193 | }; |
| 194 | |
| 195 | static const unsigned int LDO13_table[] = { |
Jett.Zhou | 3380643 | 2012-02-23 19:52:08 +0800 | [diff] [blame] | 196 | 1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 197 | }; |
| 198 | |
| 199 | static const unsigned int LDO13_suspend_table[] = { |
| 200 | 0, |
| 201 | }; |
| 202 | |
| 203 | static const unsigned int LDO14_table[] = { |
| 204 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000, |
| 205 | }; |
| 206 | |
| 207 | static const unsigned int LDO14_suspend_table[] = { |
| 208 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000, |
| 209 | }; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 210 | |
| 211 | static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) |
| 212 | { |
| 213 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 214 | int ret = -EINVAL; |
| 215 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 216 | if (info->vol_table && (index < rdev->desc->n_voltages)) { |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 217 | ret = info->vol_table[index]; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 218 | if (info->slope_double) |
| 219 | ret <<= 1; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 220 | } |
| 221 | return ret; |
| 222 | } |
| 223 | |
Axel Lin | 4ca1e1d | 2012-03-28 15:00:36 +0800 | [diff] [blame] | 224 | static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 225 | { |
| 226 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 227 | uint8_t val, mask; |
| 228 | int ret; |
| 229 | |
Axel Lin | 4ca1e1d | 2012-03-28 15:00:36 +0800 | [diff] [blame] | 230 | val = (uint8_t)(selector << info->vol_shift); |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 231 | mask = (rdev->desc->n_voltages - 1) << info->vol_shift; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 232 | |
Axel Lin | 4ca1e1d | 2012-03-28 15:00:36 +0800 | [diff] [blame] | 233 | ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, selector); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 234 | if (ret) |
| 235 | return ret; |
| 236 | switch (info->desc.id) { |
| 237 | case PM8607_ID_BUCK1: |
| 238 | case PM8607_ID_BUCK3: |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 239 | ret = pm860x_set_bits(info->i2c, info->update_reg, |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 240 | 1 << info->update_bit, |
| 241 | 1 << info->update_bit); |
| 242 | break; |
| 243 | } |
| 244 | return ret; |
| 245 | } |
| 246 | |
Axel Lin | 509cbf8 | 2012-03-28 15:01:48 +0800 | [diff] [blame] | 247 | static int pm8607_get_voltage_sel(struct regulator_dev *rdev) |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 248 | { |
| 249 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 250 | uint8_t val, mask; |
| 251 | int ret; |
| 252 | |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 253 | ret = pm860x_reg_read(info->i2c, info->vol_reg); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 254 | if (ret < 0) |
| 255 | return ret; |
| 256 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 257 | mask = (rdev->desc->n_voltages - 1) << info->vol_shift; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 258 | val = ((unsigned char)ret & mask) >> info->vol_shift; |
| 259 | |
Axel Lin | 509cbf8 | 2012-03-28 15:01:48 +0800 | [diff] [blame] | 260 | return val; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 261 | } |
| 262 | |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 263 | static struct regulator_ops pm8607_regulator_ops = { |
Axel Lin | d3d7bcc | 2012-03-28 14:58:29 +0800 | [diff] [blame] | 264 | .list_voltage = pm8607_list_voltage, |
Axel Lin | 4ca1e1d | 2012-03-28 15:00:36 +0800 | [diff] [blame] | 265 | .set_voltage_sel = pm8607_set_voltage_sel, |
Axel Lin | 509cbf8 | 2012-03-28 15:01:48 +0800 | [diff] [blame] | 266 | .get_voltage_sel = pm8607_get_voltage_sel, |
Axel Lin | ef26e0d | 2012-04-17 11:32:57 +0800 | [diff] [blame^] | 267 | .enable = regulator_enable_regmap, |
| 268 | .disable = regulator_disable_regmap, |
| 269 | .is_enabled = regulator_is_enabled_regmap, |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 270 | }; |
| 271 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 272 | #define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 273 | { \ |
| 274 | .desc = { \ |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 275 | .name = #vreg, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 276 | .ops = &pm8607_regulator_ops, \ |
| 277 | .type = REGULATOR_VOLTAGE, \ |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 278 | .id = PM8607_ID_##vreg, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 279 | .owner = THIS_MODULE, \ |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 280 | .n_voltages = ARRAY_SIZE(vreg##_table), \ |
Axel Lin | ef26e0d | 2012-04-17 11:32:57 +0800 | [diff] [blame^] | 281 | .enable_reg = PM8607_##ereg, \ |
| 282 | .enable_mask = 1 << (ebit), \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 283 | }, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 284 | .vol_reg = PM8607_##vreg, \ |
| 285 | .vol_shift = (0), \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 286 | .update_reg = PM8607_##ureg, \ |
| 287 | .update_bit = (ubit), \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 288 | .slope_double = (0), \ |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 289 | .vol_table = (unsigned int *)&vreg##_table, \ |
| 290 | .vol_suspend = (unsigned int *)&vreg##_suspend_table, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 291 | } |
| 292 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 293 | #define PM8607_LDO(_id, vreg, shift, ereg, ebit) \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 294 | { \ |
| 295 | .desc = { \ |
| 296 | .name = "LDO" #_id, \ |
| 297 | .ops = &pm8607_regulator_ops, \ |
| 298 | .type = REGULATOR_VOLTAGE, \ |
| 299 | .id = PM8607_ID_LDO##_id, \ |
| 300 | .owner = THIS_MODULE, \ |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 301 | .n_voltages = ARRAY_SIZE(LDO##_id##_table), \ |
Axel Lin | ef26e0d | 2012-04-17 11:32:57 +0800 | [diff] [blame^] | 302 | .enable_reg = PM8607_##ereg, \ |
| 303 | .enable_mask = 1 << (ebit), \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 304 | }, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 305 | .vol_reg = PM8607_##vreg, \ |
| 306 | .vol_shift = (shift), \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 307 | .slope_double = (0), \ |
Haojian Zhuang | 9f79e9d | 2010-05-04 09:54:51 -0400 | [diff] [blame] | 308 | .vol_table = (unsigned int *)&LDO##_id##_table, \ |
| 309 | .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \ |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | static struct pm8607_regulator_info pm8607_regulator_info[] = { |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 313 | PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0), |
| 314 | PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1), |
| 315 | PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2), |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 316 | |
Axel Lin | 53b6949 | 2012-03-28 14:59:23 +0800 | [diff] [blame] | 317 | PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3), |
| 318 | PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4), |
| 319 | PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5), |
| 320 | PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6), |
| 321 | PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7), |
| 322 | PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0), |
| 323 | PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1), |
| 324 | PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2), |
| 325 | PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3), |
| 326 | PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4), |
| 327 | PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5), |
| 328 | PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0), |
| 329 | PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6), |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 330 | }; |
| 331 | |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 332 | static int __devinit pm8607_regulator_probe(struct platform_device *pdev) |
| 333 | { |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 334 | struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 335 | struct pm8607_regulator_info *info = NULL; |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 336 | struct regulator_init_data *pdata = pdev->dev.platform_data; |
Mark Brown | c172708 | 2012-04-04 00:50:22 +0100 | [diff] [blame] | 337 | struct regulator_config config = { }; |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 338 | struct resource *res; |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 339 | int i; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 340 | |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 341 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
| 342 | if (res == NULL) { |
| 343 | dev_err(&pdev->dev, "No I/O resource!\n"); |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 344 | return -EINVAL; |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 345 | } |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 346 | for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { |
| 347 | info = &pm8607_regulator_info[i]; |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 348 | if (info->desc.id == res->start) |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 349 | break; |
| 350 | } |
Axel Lin | 99cd25c | 2011-08-04 16:18:11 +0800 | [diff] [blame] | 351 | if (i == ARRAY_SIZE(pm8607_regulator_info)) { |
Randy Dunlap | 0996910 | 2011-05-26 10:16:15 -0700 | [diff] [blame] | 352 | dev_err(&pdev->dev, "Failed to find regulator %llu\n", |
| 353 | (unsigned long long)res->start); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 354 | return -EINVAL; |
| 355 | } |
Haojian Zhuang | 53dbab7 | 2010-01-08 06:01:24 -0500 | [diff] [blame] | 356 | info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 357 | info->chip = chip; |
| 358 | |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 359 | /* check DVC ramp slope double */ |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 360 | if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double) |
| 361 | info->slope_double = 1; |
Haojian Zhuang | 22aad00 | 2011-03-07 23:43:11 +0800 | [diff] [blame] | 362 | |
Mark Brown | c172708 | 2012-04-04 00:50:22 +0100 | [diff] [blame] | 363 | config.dev = &pdev->dev; |
| 364 | config.init_data = pdata; |
| 365 | config.driver_data = info; |
| 366 | |
Axel Lin | ef26e0d | 2012-04-17 11:32:57 +0800 | [diff] [blame^] | 367 | if (chip->id == CHIP_PM8607) |
| 368 | config.regmap = chip->regmap; |
| 369 | else |
| 370 | config.regmap = chip->regmap_companion; |
| 371 | |
Haojian Zhuang | 586e1a1 | 2011-05-06 17:21:23 +0800 | [diff] [blame] | 372 | /* replace driver_data with info */ |
Mark Brown | c172708 | 2012-04-04 00:50:22 +0100 | [diff] [blame] | 373 | info->regulator = regulator_register(&info->desc, &config); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 374 | if (IS_ERR(info->regulator)) { |
| 375 | dev_err(&pdev->dev, "failed to register regulator %s\n", |
| 376 | info->desc.name); |
| 377 | return PTR_ERR(info->regulator); |
| 378 | } |
| 379 | |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 380 | platform_set_drvdata(pdev, info); |
| 381 | return 0; |
| 382 | } |
| 383 | |
| 384 | static int __devexit pm8607_regulator_remove(struct platform_device *pdev) |
| 385 | { |
| 386 | struct pm8607_regulator_info *info = platform_get_drvdata(pdev); |
| 387 | |
Haojian Zhuang | 192bbb9 | 2010-04-29 13:33:50 -0400 | [diff] [blame] | 388 | platform_set_drvdata(pdev, NULL); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 389 | regulator_unregister(info->regulator); |
| 390 | return 0; |
| 391 | } |
| 392 | |
Haojian Zhuang | 192bbb9 | 2010-04-29 13:33:50 -0400 | [diff] [blame] | 393 | static struct platform_driver pm8607_regulator_driver = { |
| 394 | .driver = { |
| 395 | .name = "88pm860x-regulator", |
| 396 | .owner = THIS_MODULE, |
| 397 | }, |
| 398 | .probe = pm8607_regulator_probe, |
| 399 | .remove = __devexit_p(pm8607_regulator_remove), |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 400 | }; |
| 401 | |
| 402 | static int __init pm8607_regulator_init(void) |
| 403 | { |
Haojian Zhuang | 192bbb9 | 2010-04-29 13:33:50 -0400 | [diff] [blame] | 404 | return platform_driver_register(&pm8607_regulator_driver); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 405 | } |
| 406 | subsys_initcall(pm8607_regulator_init); |
| 407 | |
| 408 | static void __exit pm8607_regulator_exit(void) |
| 409 | { |
Haojian Zhuang | 192bbb9 | 2010-04-29 13:33:50 -0400 | [diff] [blame] | 410 | platform_driver_unregister(&pm8607_regulator_driver); |
Haojian Zhuang | be0e2d3 | 2009-10-08 02:03:57 -0400 | [diff] [blame] | 411 | } |
| 412 | module_exit(pm8607_regulator_exit); |
| 413 | |
| 414 | MODULE_LICENSE("GPL"); |
| 415 | MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); |
| 416 | MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC"); |
| 417 | MODULE_ALIAS("platform:88pm8607-regulator"); |