Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Regulators driver for Dialog Semiconductor DA903x |
| 3 | * |
| 4 | * Copyright (C) 2006-2008 Marvell International Ltd. |
| 5 | * Copyright (C) 2008 Compulab Ltd. |
| 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 | |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/err.h> |
Paul Gortmaker | 65602c3 | 2011-07-17 16:28:23 -0400 | [diff] [blame] | 15 | #include <linux/module.h> |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/regulator/driver.h> |
| 18 | #include <linux/regulator/machine.h> |
| 19 | #include <linux/mfd/da903x.h> |
| 20 | |
| 21 | /* DA9030 Registers */ |
| 22 | #define DA9030_INVAL (-1) |
| 23 | #define DA9030_LDO1011 (0x10) |
| 24 | #define DA9030_LDO15 (0x11) |
| 25 | #define DA9030_LDO1416 (0x12) |
| 26 | #define DA9030_LDO1819 (0x13) |
| 27 | #define DA9030_LDO17 (0x14) |
| 28 | #define DA9030_BUCK2DVM1 (0x15) |
| 29 | #define DA9030_BUCK2DVM2 (0x16) |
| 30 | #define DA9030_RCTL11 (0x17) |
| 31 | #define DA9030_RCTL21 (0x18) |
| 32 | #define DA9030_LDO1 (0x90) |
| 33 | #define DA9030_LDO23 (0x91) |
| 34 | #define DA9030_LDO45 (0x92) |
| 35 | #define DA9030_LDO6 (0x93) |
| 36 | #define DA9030_LDO78 (0x94) |
| 37 | #define DA9030_LDO912 (0x95) |
| 38 | #define DA9030_BUCK (0x96) |
| 39 | #define DA9030_RCTL12 (0x97) |
| 40 | #define DA9030_RCTL22 (0x98) |
| 41 | #define DA9030_LDO_UNLOCK (0xa0) |
| 42 | #define DA9030_LDO_UNLOCK_MASK (0xe0) |
| 43 | #define DA9034_OVER1 (0x10) |
| 44 | |
| 45 | /* DA9034 Registers */ |
| 46 | #define DA9034_INVAL (-1) |
| 47 | #define DA9034_OVER2 (0x11) |
| 48 | #define DA9034_OVER3 (0x12) |
| 49 | #define DA9034_LDO643 (0x13) |
| 50 | #define DA9034_LDO987 (0x14) |
| 51 | #define DA9034_LDO1110 (0x15) |
| 52 | #define DA9034_LDO1312 (0x16) |
| 53 | #define DA9034_LDO1514 (0x17) |
| 54 | #define DA9034_VCC1 (0x20) |
| 55 | #define DA9034_ADTV1 (0x23) |
| 56 | #define DA9034_ADTV2 (0x24) |
| 57 | #define DA9034_AVRC (0x25) |
| 58 | #define DA9034_CDTV1 (0x26) |
| 59 | #define DA9034_CDTV2 (0x27) |
| 60 | #define DA9034_CVRC (0x28) |
| 61 | #define DA9034_SDTV1 (0x29) |
| 62 | #define DA9034_SDTV2 (0x2a) |
| 63 | #define DA9034_SVRC (0x2b) |
| 64 | #define DA9034_MDTV1 (0x32) |
| 65 | #define DA9034_MDTV2 (0x33) |
| 66 | #define DA9034_MVRC (0x34) |
| 67 | |
Haojian Zhuang | 0198d11 | 2009-06-26 19:20:59 +0800 | [diff] [blame] | 68 | /* DA9035 Registers. DA9034 Registers are comptabile to DA9035. */ |
| 69 | #define DA9035_OVER3 (0x12) |
| 70 | #define DA9035_VCC2 (0x1f) |
| 71 | #define DA9035_3DTV1 (0x2c) |
| 72 | #define DA9035_3DTV2 (0x2d) |
| 73 | #define DA9035_3VRC (0x2e) |
| 74 | #define DA9035_AUTOSKIP (0x2f) |
| 75 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 76 | struct da903x_regulator_info { |
| 77 | struct regulator_desc desc; |
| 78 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 79 | int max_uV; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 80 | int vol_reg; |
| 81 | int vol_shift; |
| 82 | int vol_nbits; |
| 83 | int update_reg; |
| 84 | int update_bit; |
| 85 | int enable_reg; |
| 86 | int enable_bit; |
| 87 | }; |
| 88 | |
Jonathan Cameron | 1841c0f | 2008-10-28 11:03:48 +0000 | [diff] [blame] | 89 | static inline struct device *to_da903x_dev(struct regulator_dev *rdev) |
| 90 | { |
| 91 | return rdev_get_dev(rdev)->parent->parent; |
| 92 | } |
| 93 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 94 | static inline int check_range(struct da903x_regulator_info *info, |
| 95 | int min_uV, int max_uV) |
| 96 | { |
Axel Lin | 70b4e78 | 2012-05-15 10:04:23 +0800 | [diff] [blame] | 97 | if (min_uV < info->desc.min_uV || min_uV > info->max_uV) |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 98 | return -EINVAL; |
| 99 | |
| 100 | return 0; |
| 101 | } |
| 102 | |
| 103 | /* DA9030/DA9034 common operations */ |
Axel Lin | bae5e9c | 2012-05-15 10:24:56 +0800 | [diff] [blame] | 104 | static int da903x_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 105 | { |
| 106 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
Jonathan Cameron | 1841c0f | 2008-10-28 11:03:48 +0000 | [diff] [blame] | 107 | struct device *da9034_dev = to_da903x_dev(rdev); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 108 | uint8_t val, mask; |
| 109 | |
Axel Lin | ee3ed6e | 2012-06-07 10:38:30 +0800 | [diff] [blame] | 110 | if (rdev->desc->n_voltages == 1) |
| 111 | return -EINVAL; |
| 112 | |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 113 | val = selector << info->vol_shift; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 114 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| 115 | |
| 116 | return da903x_update(da9034_dev, info->vol_reg, val, mask); |
| 117 | } |
| 118 | |
Axel Lin | 9447f35 | 2012-05-08 19:47:47 +0800 | [diff] [blame] | 119 | static int da903x_get_voltage_sel(struct regulator_dev *rdev) |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 120 | { |
| 121 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
Jonathan Cameron | 1841c0f | 2008-10-28 11:03:48 +0000 | [diff] [blame] | 122 | struct device *da9034_dev = to_da903x_dev(rdev); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 123 | uint8_t val, mask; |
| 124 | int ret; |
| 125 | |
Axel Lin | ee3ed6e | 2012-06-07 10:38:30 +0800 | [diff] [blame] | 126 | if (rdev->desc->n_voltages == 1) |
| 127 | return 0; |
| 128 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 129 | ret = da903x_read(da9034_dev, info->vol_reg, &val); |
| 130 | if (ret) |
| 131 | return ret; |
| 132 | |
| 133 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| 134 | val = (val & mask) >> info->vol_shift; |
| 135 | |
Axel Lin | 9447f35 | 2012-05-08 19:47:47 +0800 | [diff] [blame] | 136 | return val; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | static int da903x_enable(struct regulator_dev *rdev) |
| 140 | { |
| 141 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
Jonathan Cameron | 1841c0f | 2008-10-28 11:03:48 +0000 | [diff] [blame] | 142 | struct device *da9034_dev = to_da903x_dev(rdev); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 143 | |
| 144 | return da903x_set_bits(da9034_dev, info->enable_reg, |
| 145 | 1 << info->enable_bit); |
| 146 | } |
| 147 | |
| 148 | static int da903x_disable(struct regulator_dev *rdev) |
| 149 | { |
| 150 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
Jonathan Cameron | 1841c0f | 2008-10-28 11:03:48 +0000 | [diff] [blame] | 151 | struct device *da9034_dev = to_da903x_dev(rdev); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 152 | |
| 153 | return da903x_clr_bits(da9034_dev, info->enable_reg, |
| 154 | 1 << info->enable_bit); |
| 155 | } |
| 156 | |
| 157 | static int da903x_is_enabled(struct regulator_dev *rdev) |
| 158 | { |
| 159 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
Jonathan Cameron | 1841c0f | 2008-10-28 11:03:48 +0000 | [diff] [blame] | 160 | struct device *da9034_dev = to_da903x_dev(rdev); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 161 | uint8_t reg_val; |
| 162 | int ret; |
| 163 | |
| 164 | ret = da903x_read(da9034_dev, info->enable_reg, ®_val); |
| 165 | if (ret) |
| 166 | return ret; |
| 167 | |
Mike Rapoport | 9618690 | 2008-11-25 10:19:52 +0200 | [diff] [blame] | 168 | return !!(reg_val & (1 << info->enable_bit)); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | /* DA9030 specific operations */ |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 172 | static int da9030_set_ldo1_15_voltage_sel(struct regulator_dev *rdev, |
| 173 | unsigned selector) |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 174 | { |
| 175 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
Jonathan Cameron | 1841c0f | 2008-10-28 11:03:48 +0000 | [diff] [blame] | 176 | struct device *da903x_dev = to_da903x_dev(rdev); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 177 | uint8_t val, mask; |
| 178 | int ret; |
| 179 | |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 180 | val = selector << info->vol_shift; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 181 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| 182 | val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */ |
| 183 | mask |= DA9030_LDO_UNLOCK_MASK; |
| 184 | |
| 185 | /* write twice */ |
| 186 | ret = da903x_update(da903x_dev, info->vol_reg, val, mask); |
| 187 | if (ret) |
| 188 | return ret; |
| 189 | |
| 190 | return da903x_update(da903x_dev, info->vol_reg, val, mask); |
| 191 | } |
| 192 | |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 193 | static int da9030_map_ldo14_voltage(struct regulator_dev *rdev, |
| 194 | int min_uV, int max_uV) |
| 195 | { |
| 196 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| 197 | int thresh, sel; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 198 | |
| 199 | if (check_range(info, min_uV, max_uV)) { |
Mike Rapoport | 471d8d4 | 2008-11-24 18:43:00 +0200 | [diff] [blame] | 200 | pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 201 | return -EINVAL; |
| 202 | } |
| 203 | |
Axel Lin | 70b4e78 | 2012-05-15 10:04:23 +0800 | [diff] [blame] | 204 | thresh = (info->max_uV + info->desc.min_uV) / 2; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 205 | if (min_uV < thresh) { |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 206 | sel = DIV_ROUND_UP(thresh - min_uV, info->desc.uV_step); |
| 207 | sel |= 0x4; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 208 | } else { |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 209 | sel = DIV_ROUND_UP(min_uV - thresh, info->desc.uV_step); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 210 | } |
| 211 | |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 212 | return sel; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 213 | } |
| 214 | |
Axel Lin | d4eb56a | 2012-05-08 19:46:10 +0800 | [diff] [blame] | 215 | static int da9030_list_ldo14_voltage(struct regulator_dev *rdev, |
| 216 | unsigned selector) |
| 217 | { |
| 218 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| 219 | int volt; |
| 220 | |
| 221 | if (selector & 0x4) |
Axel Lin | 70b4e78 | 2012-05-15 10:04:23 +0800 | [diff] [blame] | 222 | volt = rdev->desc->min_uV + |
| 223 | rdev->desc->uV_step * (3 - (selector & ~0x4)); |
Axel Lin | d4eb56a | 2012-05-08 19:46:10 +0800 | [diff] [blame] | 224 | else |
Axel Lin | 70b4e78 | 2012-05-15 10:04:23 +0800 | [diff] [blame] | 225 | volt = (info->max_uV + rdev->desc->min_uV) / 2 + |
| 226 | rdev->desc->uV_step * (selector & ~0x4); |
Axel Lin | d4eb56a | 2012-05-08 19:46:10 +0800 | [diff] [blame] | 227 | |
| 228 | if (volt > info->max_uV) |
| 229 | return -EINVAL; |
| 230 | |
| 231 | return volt; |
| 232 | } |
| 233 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 234 | /* DA9034 specific operations */ |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 235 | static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev, |
| 236 | unsigned selector) |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 237 | { |
| 238 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
Jonathan Cameron | 1841c0f | 2008-10-28 11:03:48 +0000 | [diff] [blame] | 239 | struct device *da9034_dev = to_da903x_dev(rdev); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 240 | uint8_t val, mask; |
| 241 | int ret; |
| 242 | |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 243 | val = selector << info->vol_shift; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 244 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| 245 | |
| 246 | ret = da903x_update(da9034_dev, info->vol_reg, val, mask); |
| 247 | if (ret) |
| 248 | return ret; |
| 249 | |
| 250 | ret = da903x_set_bits(da9034_dev, info->update_reg, |
| 251 | 1 << info->update_bit); |
| 252 | return ret; |
| 253 | } |
| 254 | |
Axel Lin | 550bf89 | 2013-07-28 16:37:23 +0800 | [diff] [blame] | 255 | static const struct regulator_linear_range da9034_ldo12_ranges[] = { |
Axel Lin | 8828bae | 2013-10-11 09:32:18 +0800 | [diff] [blame] | 256 | REGULATOR_LINEAR_RANGE(1700000, 0, 7, 50000), |
| 257 | REGULATOR_LINEAR_RANGE(2700000, 8, 15, 50000), |
Axel Lin | 550bf89 | 2013-07-28 16:37:23 +0800 | [diff] [blame] | 258 | }; |
Haojian Zhuang | c1b6087 | 2009-07-10 16:03:36 +0800 | [diff] [blame] | 259 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 260 | static struct regulator_ops da903x_regulator_ldo_ops = { |
Axel Lin | bae5e9c | 2012-05-15 10:24:56 +0800 | [diff] [blame] | 261 | .set_voltage_sel = da903x_set_voltage_sel, |
Axel Lin | 9447f35 | 2012-05-08 19:47:47 +0800 | [diff] [blame] | 262 | .get_voltage_sel = da903x_get_voltage_sel, |
Axel Lin | 70b4e78 | 2012-05-15 10:04:23 +0800 | [diff] [blame] | 263 | .list_voltage = regulator_list_voltage_linear, |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 264 | .map_voltage = regulator_map_voltage_linear, |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 265 | .enable = da903x_enable, |
| 266 | .disable = da903x_disable, |
| 267 | .is_enabled = da903x_is_enabled, |
| 268 | }; |
| 269 | |
| 270 | /* NOTE: this is dedicated for the insane DA9030 LDO14 */ |
| 271 | static struct regulator_ops da9030_regulator_ldo14_ops = { |
Axel Lin | bae5e9c | 2012-05-15 10:24:56 +0800 | [diff] [blame] | 272 | .set_voltage_sel = da903x_set_voltage_sel, |
| 273 | .get_voltage_sel = da903x_get_voltage_sel, |
Axel Lin | d4eb56a | 2012-05-08 19:46:10 +0800 | [diff] [blame] | 274 | .list_voltage = da9030_list_ldo14_voltage, |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 275 | .map_voltage = da9030_map_ldo14_voltage, |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 276 | .enable = da903x_enable, |
| 277 | .disable = da903x_disable, |
| 278 | .is_enabled = da903x_is_enabled, |
| 279 | }; |
| 280 | |
| 281 | /* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks */ |
| 282 | static struct regulator_ops da9030_regulator_ldo1_15_ops = { |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 283 | .set_voltage_sel = da9030_set_ldo1_15_voltage_sel, |
Axel Lin | 9447f35 | 2012-05-08 19:47:47 +0800 | [diff] [blame] | 284 | .get_voltage_sel = da903x_get_voltage_sel, |
Axel Lin | 70b4e78 | 2012-05-15 10:04:23 +0800 | [diff] [blame] | 285 | .list_voltage = regulator_list_voltage_linear, |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 286 | .map_voltage = regulator_map_voltage_linear, |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 287 | .enable = da903x_enable, |
| 288 | .disable = da903x_disable, |
| 289 | .is_enabled = da903x_is_enabled, |
| 290 | }; |
| 291 | |
| 292 | static struct regulator_ops da9034_regulator_dvc_ops = { |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 293 | .set_voltage_sel = da9034_set_dvc_voltage_sel, |
Axel Lin | 9447f35 | 2012-05-08 19:47:47 +0800 | [diff] [blame] | 294 | .get_voltage_sel = da903x_get_voltage_sel, |
Axel Lin | 70b4e78 | 2012-05-15 10:04:23 +0800 | [diff] [blame] | 295 | .list_voltage = regulator_list_voltage_linear, |
Axel Lin | c972a02 | 2012-05-15 10:06:27 +0800 | [diff] [blame] | 296 | .map_voltage = regulator_map_voltage_linear, |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 297 | .enable = da903x_enable, |
| 298 | .disable = da903x_disable, |
| 299 | .is_enabled = da903x_is_enabled, |
| 300 | }; |
| 301 | |
| 302 | /* NOTE: this is dedicated for the insane LDO12 */ |
| 303 | static struct regulator_ops da9034_regulator_ldo12_ops = { |
Axel Lin | bae5e9c | 2012-05-15 10:24:56 +0800 | [diff] [blame] | 304 | .set_voltage_sel = da903x_set_voltage_sel, |
| 305 | .get_voltage_sel = da903x_get_voltage_sel, |
Axel Lin | 550bf89 | 2013-07-28 16:37:23 +0800 | [diff] [blame] | 306 | .list_voltage = regulator_list_voltage_linear_range, |
| 307 | .map_voltage = regulator_map_voltage_linear_range, |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 308 | .enable = da903x_enable, |
| 309 | .disable = da903x_disable, |
| 310 | .is_enabled = da903x_is_enabled, |
| 311 | }; |
| 312 | |
| 313 | #define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit) \ |
| 314 | { \ |
| 315 | .desc = { \ |
| 316 | .name = "LDO" #_id, \ |
| 317 | .ops = &da903x_regulator_ldo_ops, \ |
| 318 | .type = REGULATOR_VOLTAGE, \ |
| 319 | .id = _pmic##_ID_LDO##_id, \ |
Haojian Zhuang | c1b6087 | 2009-07-10 16:03:36 +0800 | [diff] [blame] | 320 | .n_voltages = (step) ? ((max - min) / step + 1) : 1, \ |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 321 | .owner = THIS_MODULE, \ |
Axel Lin | 70b4e78 | 2012-05-15 10:04:23 +0800 | [diff] [blame] | 322 | .min_uV = (min) * 1000, \ |
| 323 | .uV_step = (step) * 1000, \ |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 324 | }, \ |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 325 | .max_uV = (max) * 1000, \ |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 326 | .vol_reg = _pmic##_##vreg, \ |
| 327 | .vol_shift = (shift), \ |
| 328 | .vol_nbits = (nbits), \ |
| 329 | .enable_reg = _pmic##_##ereg, \ |
| 330 | .enable_bit = (ebit), \ |
| 331 | } |
| 332 | |
Mike Rapoport | c6db182 | 2009-07-26 13:33:04 +0300 | [diff] [blame] | 333 | #define DA903x_DVC(_pmic, _id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
Haojian Zhuang | fc4f42e | 2009-07-08 17:57:24 +0800 | [diff] [blame] | 334 | { \ |
| 335 | .desc = { \ |
| 336 | .name = #_id, \ |
| 337 | .ops = &da9034_regulator_dvc_ops, \ |
| 338 | .type = REGULATOR_VOLTAGE, \ |
Mike Rapoport | c6db182 | 2009-07-26 13:33:04 +0300 | [diff] [blame] | 339 | .id = _pmic##_ID_##_id, \ |
Haojian Zhuang | c1b6087 | 2009-07-10 16:03:36 +0800 | [diff] [blame] | 340 | .n_voltages = (step) ? ((max - min) / step + 1) : 1, \ |
Haojian Zhuang | fc4f42e | 2009-07-08 17:57:24 +0800 | [diff] [blame] | 341 | .owner = THIS_MODULE, \ |
Axel Lin | 70b4e78 | 2012-05-15 10:04:23 +0800 | [diff] [blame] | 342 | .min_uV = (min) * 1000, \ |
| 343 | .uV_step = (step) * 1000, \ |
Haojian Zhuang | fc4f42e | 2009-07-08 17:57:24 +0800 | [diff] [blame] | 344 | }, \ |
Haojian Zhuang | fc4f42e | 2009-07-08 17:57:24 +0800 | [diff] [blame] | 345 | .max_uV = (max) * 1000, \ |
Mike Rapoport | c6db182 | 2009-07-26 13:33:04 +0300 | [diff] [blame] | 346 | .vol_reg = _pmic##_##vreg, \ |
Haojian Zhuang | fc4f42e | 2009-07-08 17:57:24 +0800 | [diff] [blame] | 347 | .vol_shift = (0), \ |
| 348 | .vol_nbits = (nbits), \ |
Mike Rapoport | c6db182 | 2009-07-26 13:33:04 +0300 | [diff] [blame] | 349 | .update_reg = _pmic##_##ureg, \ |
Haojian Zhuang | fc4f42e | 2009-07-08 17:57:24 +0800 | [diff] [blame] | 350 | .update_bit = (ubit), \ |
Mike Rapoport | c6db182 | 2009-07-26 13:33:04 +0300 | [diff] [blame] | 351 | .enable_reg = _pmic##_##ereg, \ |
Haojian Zhuang | 0198d11 | 2009-06-26 19:20:59 +0800 | [diff] [blame] | 352 | .enable_bit = (ebit), \ |
| 353 | } |
| 354 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 355 | #define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ |
| 356 | DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit) |
| 357 | |
| 358 | #define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ |
| 359 | DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit) |
| 360 | |
Mike Rapoport | c6db182 | 2009-07-26 13:33:04 +0300 | [diff] [blame] | 361 | #define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
| 362 | DA903x_DVC(DA9030, _id, min, max, step, vreg, nbits, ureg, ubit, \ |
| 363 | ereg, ebit) |
| 364 | |
| 365 | #define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
| 366 | DA903x_DVC(DA9034, _id, min, max, step, vreg, nbits, ureg, ubit, \ |
| 367 | ereg, ebit) |
| 368 | |
| 369 | #define DA9035_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
| 370 | DA903x_DVC(DA9035, _id, min, max, step, vreg, nbits, ureg, ubit, \ |
| 371 | ereg, ebit) |
| 372 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 373 | static struct da903x_regulator_info da903x_regulator_info[] = { |
| 374 | /* DA9030 */ |
Haojian Zhuang | fc4f42e | 2009-07-08 17:57:24 +0800 | [diff] [blame] | 375 | DA9030_DVC(BUCK2, 850, 1625, 25, BUCK2DVM1, 5, BUCK2DVM1, 7, RCTL11, 0), |
| 376 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 377 | DA9030_LDO( 1, 1200, 3200, 100, LDO1, 0, 5, RCTL12, 1), |
| 378 | DA9030_LDO( 2, 1800, 3200, 100, LDO23, 0, 4, RCTL12, 2), |
| 379 | DA9030_LDO( 3, 1800, 3200, 100, LDO23, 4, 4, RCTL12, 3), |
| 380 | DA9030_LDO( 4, 1800, 3200, 100, LDO45, 0, 4, RCTL12, 4), |
| 381 | DA9030_LDO( 5, 1800, 3200, 100, LDO45, 4, 4, RCTL12, 5), |
| 382 | DA9030_LDO( 6, 1800, 3200, 100, LDO6, 0, 4, RCTL12, 6), |
| 383 | DA9030_LDO( 7, 1800, 3200, 100, LDO78, 0, 4, RCTL12, 7), |
| 384 | DA9030_LDO( 8, 1800, 3200, 100, LDO78, 4, 4, RCTL22, 0), |
| 385 | DA9030_LDO( 9, 1800, 3200, 100, LDO912, 0, 4, RCTL22, 1), |
| 386 | DA9030_LDO(10, 1800, 3200, 100, LDO1011, 0, 4, RCTL22, 2), |
| 387 | DA9030_LDO(11, 1800, 3200, 100, LDO1011, 4, 4, RCTL22, 3), |
| 388 | DA9030_LDO(12, 1800, 3200, 100, LDO912, 4, 4, RCTL22, 4), |
| 389 | DA9030_LDO(14, 2760, 2940, 30, LDO1416, 0, 3, RCTL11, 4), |
| 390 | DA9030_LDO(15, 1100, 2650, 50, LDO15, 0, 5, RCTL11, 5), |
| 391 | DA9030_LDO(16, 1100, 2650, 50, LDO1416, 3, 5, RCTL11, 6), |
| 392 | DA9030_LDO(17, 1800, 3200, 100, LDO17, 0, 4, RCTL11, 7), |
| 393 | DA9030_LDO(18, 1800, 3200, 100, LDO1819, 0, 4, RCTL21, 2), |
| 394 | DA9030_LDO(19, 1800, 3200, 100, LDO1819, 4, 4, RCTL21, 1), |
| 395 | DA9030_LDO(13, 2100, 2100, 0, INVAL, 0, 0, RCTL11, 3), /* fixed @2.1V */ |
| 396 | |
| 397 | /* DA9034 */ |
Haojian Zhuang | e88267e | 2009-07-09 17:52:30 +0800 | [diff] [blame] | 398 | DA9034_DVC(BUCK1, 725, 1500, 25, ADTV2, 5, VCC1, 0, OVER1, 0), |
| 399 | DA9034_DVC(BUCK2, 725, 1500, 25, CDTV2, 5, VCC1, 2, OVER1, 1), |
| 400 | DA9034_DVC(LDO2, 725, 1500, 25, SDTV2, 5, VCC1, 4, OVER1, 2), |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 401 | DA9034_DVC(LDO1, 1700, 2075, 25, MDTV1, 4, VCC1, 6, OVER3, 4), |
| 402 | |
| 403 | DA9034_LDO( 3, 1800, 3300, 100, LDO643, 0, 4, OVER3, 5), |
| 404 | DA9034_LDO( 4, 1800, 2900,1100, LDO643, 4, 1, OVER3, 6), |
| 405 | DA9034_LDO( 6, 2500, 2850, 50, LDO643, 5, 3, OVER2, 0), |
| 406 | DA9034_LDO( 7, 2700, 3050, 50, LDO987, 0, 3, OVER2, 1), |
| 407 | DA9034_LDO( 8, 2700, 2850, 50, LDO987, 3, 2, OVER2, 2), |
| 408 | DA9034_LDO( 9, 2700, 3050, 50, LDO987, 5, 3, OVER2, 3), |
| 409 | DA9034_LDO(10, 2700, 3050, 50, LDO1110, 0, 3, OVER2, 4), |
| 410 | DA9034_LDO(11, 1800, 3300, 100, LDO1110, 4, 4, OVER2, 5), |
| 411 | DA9034_LDO(12, 1700, 3050, 50, LDO1312, 0, 4, OVER3, 6), |
| 412 | DA9034_LDO(13, 1800, 3300, 100, LDO1312, 4, 4, OVER2, 7), |
| 413 | DA9034_LDO(14, 1800, 3300, 100, LDO1514, 0, 4, OVER3, 0), |
| 414 | DA9034_LDO(15, 1800, 3300, 100, LDO1514, 4, 4, OVER3, 1), |
| 415 | DA9034_LDO(5, 3100, 3100, 0, INVAL, 0, 0, OVER3, 7), /* fixed @3.1V */ |
Haojian Zhuang | 0198d11 | 2009-06-26 19:20:59 +0800 | [diff] [blame] | 416 | |
| 417 | /* DA9035 */ |
| 418 | DA9035_DVC(BUCK3, 1800, 2200, 100, 3DTV1, 3, VCC2, 0, OVER3, 3), |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 419 | }; |
| 420 | |
| 421 | static inline struct da903x_regulator_info *find_regulator_info(int id) |
| 422 | { |
| 423 | struct da903x_regulator_info *ri; |
| 424 | int i; |
| 425 | |
| 426 | for (i = 0; i < ARRAY_SIZE(da903x_regulator_info); i++) { |
| 427 | ri = &da903x_regulator_info[i]; |
| 428 | if (ri->desc.id == id) |
| 429 | return ri; |
| 430 | } |
| 431 | return NULL; |
| 432 | } |
| 433 | |
Bill Pemberton | a502357 | 2012-11-19 13:22:22 -0500 | [diff] [blame] | 434 | static int da903x_regulator_probe(struct platform_device *pdev) |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 435 | { |
| 436 | struct da903x_regulator_info *ri = NULL; |
| 437 | struct regulator_dev *rdev; |
Mark Brown | c172708d | 2012-04-04 00:50:22 +0100 | [diff] [blame] | 438 | struct regulator_config config = { }; |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 439 | |
| 440 | ri = find_regulator_info(pdev->id); |
| 441 | if (ri == NULL) { |
| 442 | dev_err(&pdev->dev, "invalid regulator ID specified\n"); |
| 443 | return -EINVAL; |
| 444 | } |
| 445 | |
| 446 | /* Workaround for the weird LDO12 voltage setting */ |
Haojian Zhuang | c1b6087 | 2009-07-10 16:03:36 +0800 | [diff] [blame] | 447 | if (ri->desc.id == DA9034_ID_LDO12) { |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 448 | ri->desc.ops = &da9034_regulator_ldo12_ops; |
Axel Lin | 9447f35 | 2012-05-08 19:47:47 +0800 | [diff] [blame] | 449 | ri->desc.n_voltages = 16; |
Axel Lin | 550bf89 | 2013-07-28 16:37:23 +0800 | [diff] [blame] | 450 | ri->desc.linear_ranges = da9034_ldo12_ranges; |
| 451 | ri->desc.n_linear_ranges = ARRAY_SIZE(da9034_ldo12_ranges); |
Haojian Zhuang | c1b6087 | 2009-07-10 16:03:36 +0800 | [diff] [blame] | 452 | } |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 453 | |
| 454 | if (ri->desc.id == DA9030_ID_LDO14) |
| 455 | ri->desc.ops = &da9030_regulator_ldo14_ops; |
| 456 | |
| 457 | if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15) |
| 458 | ri->desc.ops = &da9030_regulator_ldo1_15_ops; |
| 459 | |
Mark Brown | c172708d | 2012-04-04 00:50:22 +0100 | [diff] [blame] | 460 | config.dev = &pdev->dev; |
Jingoo Han | dff91d0 | 2013-07-30 17:20:47 +0900 | [diff] [blame] | 461 | config.init_data = dev_get_platdata(&pdev->dev); |
Mark Brown | c172708d | 2012-04-04 00:50:22 +0100 | [diff] [blame] | 462 | config.driver_data = ri; |
| 463 | |
Axel Lin | 4e8d793 | 2013-09-03 14:23:14 +0800 | [diff] [blame] | 464 | rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 465 | if (IS_ERR(rdev)) { |
| 466 | dev_err(&pdev->dev, "failed to register regulator %s\n", |
| 467 | ri->desc.name); |
| 468 | return PTR_ERR(rdev); |
| 469 | } |
| 470 | |
| 471 | platform_set_drvdata(pdev, rdev); |
| 472 | return 0; |
| 473 | } |
| 474 | |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 475 | static struct platform_driver da903x_regulator_driver = { |
| 476 | .driver = { |
| 477 | .name = "da903x-regulator", |
| 478 | .owner = THIS_MODULE, |
| 479 | }, |
| 480 | .probe = da903x_regulator_probe, |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 481 | }; |
| 482 | |
| 483 | static int __init da903x_regulator_init(void) |
| 484 | { |
| 485 | return platform_driver_register(&da903x_regulator_driver); |
| 486 | } |
Mark Brown | 5a1b22b | 2009-04-27 18:21:18 +0100 | [diff] [blame] | 487 | subsys_initcall(da903x_regulator_init); |
Eric Miao | 129eef9 | 2008-08-27 04:16:08 +0800 | [diff] [blame] | 488 | |
| 489 | static void __exit da903x_regulator_exit(void) |
| 490 | { |
| 491 | platform_driver_unregister(&da903x_regulator_driver); |
| 492 | } |
| 493 | module_exit(da903x_regulator_exit); |
| 494 | |
| 495 | MODULE_LICENSE("GPL"); |
| 496 | MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>" |
| 497 | "Mike Rapoport <mike@compulab.co.il>"); |
| 498 | MODULE_DESCRIPTION("Regulator Driver for Dialog Semiconductor DA903X PMIC"); |
| 499 | MODULE_ALIAS("platform:da903x-regulator"); |