arch/arm/mach-ux500/board-mop500-regulators.c

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * License Terms: GNU General Public License v2
   5  *
   6  * Authors: Sundar Iyer <sundar.iyer@stericsson.com>
   7  *          Bengt Jonsson <bengt.g.jonsson@stericsson.com>
   8  *
   9  * MOP500 board specific initialization for regulators
  10  */
  11 #include <linux/kernel.h>
  12 #include <linux/regulator/machine.h>
  13 #include <linux/regulator/ab8500.h>
  14 #include "board-mop500-regulators.h"
  15
  16 /*
  17  * TPS61052 regulator
  18  */
  19 static struct regulator_consumer_supply tps61052_vaudio_consumers[] = {
  20         /*
  21          * Boost converter supply to raise voltage on audio speaker, this
  22          * is actually connected to three pins, VInVhfL (left amplifier)
  23          * VInVhfR (right amplifier) and VIntDClassInt - all three must
  24          * be connected to the same voltage.
  25          */
  26         REGULATOR_SUPPLY("vintdclassint", "ab8500-codec.0"),
  27 };
  28
  29 struct regulator_init_data tps61052_regulator = {
  30         .constraints = {
  31                 .name = "vaudio-hf",
  32                 .min_uV = 4500000,
  33                 .max_uV = 4500000,
  34                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  35         },
  36         .num_consumer_supplies = ARRAY_SIZE(tps61052_vaudio_consumers),
  37         .consumer_supplies = tps61052_vaudio_consumers,
  38 };
  39
  40 static struct regulator_consumer_supply ab8500_vaux1_consumers[] = {
  41         /* External displays, connector on board 2v5 power supply */
  42         REGULATOR_SUPPLY("vaux12v5", "mcde.0"),
  43         /* SFH7741 proximity sensor */
  44         REGULATOR_SUPPLY("vcc", "gpio-keys.0"),
  45         /* BH1780GLS ambient light sensor */
  46         REGULATOR_SUPPLY("vcc", "2-0029"),
  47         /* lsm303dlh accelerometer */
  48         REGULATOR_SUPPLY("vdd", "3-0018"),
  49         /* lsm303dlh magnetometer */
  50         REGULATOR_SUPPLY("vdd", "3-001e"),
  51         /* Rohm BU21013 Touchscreen devices */
  52         REGULATOR_SUPPLY("avdd", "3-005c"),
  53         REGULATOR_SUPPLY("avdd", "3-005d"),
  54         /* Synaptics RMI4 Touchscreen device */
  55         REGULATOR_SUPPLY("vdd", "3-004b"),
  56 };
  57
  58 static struct regulator_consumer_supply ab8500_vaux2_consumers[] = {
  59         /* On-board eMMC power */
  60         REGULATOR_SUPPLY("vmmc", "sdi4"),
  61         /* AB8500 audio codec */
  62         REGULATOR_SUPPLY("vcc-N2158", "ab8500-codec.0"),
  63 };
  64
  65 static struct regulator_consumer_supply ab8500_vaux3_consumers[] = {
  66         /* External MMC slot power */
  67         REGULATOR_SUPPLY("vmmc", "sdi0"),
  68 };
  69
  70 static struct regulator_consumer_supply ab8500_vtvout_consumers[] = {
  71         /* TV-out DENC supply */
  72         REGULATOR_SUPPLY("vtvout", "ab8500-denc.0"),
  73         /* Internal general-purpose ADC */
  74         REGULATOR_SUPPLY("vddadc", "ab8500-gpadc.0"),
  75 };
  76
  77 static struct regulator_consumer_supply ab8500_vintcore_consumers[] = {
  78         /* SoC core supply, no device */
  79         REGULATOR_SUPPLY("v-intcore", NULL),
  80         /* USB Transceiver */
  81         REGULATOR_SUPPLY("vddulpivio18", "ab8500-usb.0"),
  82 };
  83
  84 static struct regulator_consumer_supply ab8500_vana_consumers[] = {
  85         /* External displays, connector on board, 1v8 power supply */
  86         REGULATOR_SUPPLY("vsmps2", "mcde.0"),
  87 };
  88
  89 /* ab8500 regulator register initialization */
  90 struct ab8500_regulator_reg_init
  91 ab8500_regulator_reg_init[AB8500_NUM_REGULATOR_REGISTERS] = {
  92         /*
  93          * VanaRequestCtrl          = HP/LP depending on VxRequest
  94          * VextSupply1RequestCtrl   = HP/LP depending on VxRequest
  95          */
  96         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL2, 0x00),
  97         /*
  98          * VextSupply2RequestCtrl   = HP/LP depending on VxRequest
  99          * VextSupply3RequestCtrl   = HP/LP depending on VxRequest
 100          * Vaux1RequestCtrl         = HP/LP depending on VxRequest
 101          * Vaux2RequestCtrl         = HP/LP depending on VxRequest
 102          */
 103         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL3, 0x00),
 104         /*
 105          * Vaux3RequestCtrl         = HP/LP depending on VxRequest
 106          * SwHPReq                  = Control through SWValid disabled
 107          */
 108         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL4, 0x00),
 109         /*
 110          * VanaSysClkReq1HPValid    = disabled
 111          * Vaux1SysClkReq1HPValid   = disabled
 112          * Vaux2SysClkReq1HPValid   = disabled
 113          * Vaux3SysClkReq1HPValid   = disabled
 114          */
 115         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID1, 0x00),
 116         /*
 117          * VextSupply1SysClkReq1HPValid = disabled
 118          * VextSupply2SysClkReq1HPValid = disabled
 119          * VextSupply3SysClkReq1HPValid = SysClkReq1 controlled
 120          */
 121         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID2, 0x40),
 122         /*
 123          * VanaHwHPReq1Valid        = disabled
 124          * Vaux1HwHPreq1Valid       = disabled
 125          * Vaux2HwHPReq1Valid       = disabled
 126          * Vaux3HwHPReqValid        = disabled
 127          */
 128         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID1, 0x00),
 129         /*
 130          * VextSupply1HwHPReq1Valid = disabled
 131          * VextSupply2HwHPReq1Valid = disabled
 132          * VextSupply3HwHPReq1Valid = disabled
 133          */
 134         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID2, 0x00),
 135         /*
 136          * VanaHwHPReq2Valid        = disabled
 137          * Vaux1HwHPReq2Valid       = disabled
 138          * Vaux2HwHPReq2Valid       = disabled
 139          * Vaux3HwHPReq2Valid       = disabled
 140          */
 141         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID1, 0x00),
 142         /*
 143          * VextSupply1HwHPReq2Valid = disabled
 144          * VextSupply2HwHPReq2Valid = disabled
 145          * VextSupply3HwHPReq2Valid = HWReq2 controlled
 146          */
 147         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID2, 0x04),
 148         /*
 149          * VanaSwHPReqValid         = disabled
 150          * Vaux1SwHPReqValid        = disabled
 151          */
 152         INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID1, 0x00),
 153         /*
 154          * Vaux2SwHPReqValid        = disabled
 155          * Vaux3SwHPReqValid        = disabled
 156          * VextSupply1SwHPReqValid  = disabled
 157          * VextSupply2SwHPReqValid  = disabled
 158          * VextSupply3SwHPReqValid  = disabled
 159          */
 160         INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID2, 0x00),
 161         /*
 162          * SysClkReq2Valid1         = SysClkReq2 controlled
 163          * SysClkReq3Valid1         = disabled
 164          * SysClkReq4Valid1         = SysClkReq4 controlled
 165          * SysClkReq5Valid1         = disabled
 166          * SysClkReq6Valid1         = SysClkReq6 controlled
 167          * SysClkReq7Valid1         = disabled
 168          * SysClkReq8Valid1         = disabled
 169          */
 170         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID1, 0x2a),
 171         /*
 172          * SysClkReq2Valid2         = disabled
 173          * SysClkReq3Valid2         = disabled
 174          * SysClkReq4Valid2         = disabled
 175          * SysClkReq5Valid2         = disabled
 176          * SysClkReq6Valid2         = SysClkReq6 controlled
 177          * SysClkReq7Valid2         = disabled
 178          * SysClkReq8Valid2         = disabled
 179          */
 180         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID2, 0x20),
 181         /*
 182          * VTVoutEna                = disabled
 183          * Vintcore12Ena            = disabled
 184          * Vintcore12Sel            = 1.25 V
 185          * Vintcore12LP             = inactive (HP)
 186          * VTVoutLP                 = inactive (HP)
 187          */
 188         INIT_REGULATOR_REGISTER(AB8500_REGUMISC1, 0x10),
 189         /*
 190          * VaudioEna                = disabled
 191          * VdmicEna                 = disabled
 192          * Vamic1Ena                = disabled
 193          * Vamic2Ena                = disabled
 194          */
 195         INIT_REGULATOR_REGISTER(AB8500_VAUDIOSUPPLY, 0x00),
 196         /*
 197          * Vamic1_dzout             = high-Z when Vamic1 is disabled
 198          * Vamic2_dzout             = high-Z when Vamic2 is disabled
 199          */
 200         INIT_REGULATOR_REGISTER(AB8500_REGUCTRL1VAMIC, 0x00),
 201         /*
 202          * VPll                     = Hw controlled
 203          * VanaRegu                 = force off
 204          */
 205         INIT_REGULATOR_REGISTER(AB8500_VPLLVANAREGU, 0x02),
 206         /*
 207          * VrefDDREna               = disabled
 208          * VrefDDRSleepMode         = inactive (no pulldown)
 209          */
 210         INIT_REGULATOR_REGISTER(AB8500_VREFDDR, 0x00),
 211         /*
 212          * VextSupply1Regu          = HW control
 213          * VextSupply2Regu          = HW control
 214          * VextSupply3Regu          = HW control
 215          * ExtSupply2Bypass         = ExtSupply12LPn ball is 0 when Ena is 0
 216          * ExtSupply3Bypass         = ExtSupply3LPn ball is 0 when Ena is 0
 217          */
 218         INIT_REGULATOR_REGISTER(AB8500_EXTSUPPLYREGU, 0x2a),
 219         /*
 220          * Vaux1Regu                = force HP
 221          * Vaux2Regu                = force off
 222          */
 223         INIT_REGULATOR_REGISTER(AB8500_VAUX12REGU, 0x01),
 224         /*
 225          * Vaux3regu                = force off
 226          */
 227         INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3REGU, 0x00),
 228         /*
 229          * Vsmps1                   = 1.15V
 230          */
 231         INIT_REGULATOR_REGISTER(AB8500_VSMPS1SEL1, 0x24),
 232         /*
 233          * Vaux1Sel                 = 2.5 V
 234          */
 235         INIT_REGULATOR_REGISTER(AB8500_VAUX1SEL, 0x08),
 236         /*
 237          * Vaux2Sel                 = 2.9 V
 238          */
 239         INIT_REGULATOR_REGISTER(AB8500_VAUX2SEL, 0x0d),
 240         /*
 241          * Vaux3Sel                 = 2.91 V
 242          */
 243         INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3SEL, 0x07),
 244         /*
 245          * VextSupply12LP           = disabled (no LP)
 246          */
 247         INIT_REGULATOR_REGISTER(AB8500_REGUCTRL2SPARE, 0x00),
 248         /*
 249          * Vaux1Disch               = short discharge time
 250          * Vaux2Disch               = short discharge time
 251          * Vaux3Disch               = short discharge time
 252          * Vintcore12Disch          = short discharge time
 253          * VTVoutDisch              = short discharge time
 254          * VaudioDisch              = short discharge time
 255          */
 256         INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH, 0x00),
 257         /*
 258          * VanaDisch                = short discharge time
 259          * VdmicPullDownEna         = pulldown disabled when Vdmic is disabled
 260          * VdmicDisch               = short discharge time
 261          */
 262         INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH2, 0x00),
 263 };
 264
 265 /* AB8500 regulators */
 266 struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
 267         /* supplies to the display/camera */
 268         [AB8500_LDO_AUX1] = {
 269                 .constraints = {
 270                         .name = "V-DISPLAY",
 271                         .min_uV = 2500000,
 272                         .max_uV = 2900000,
 273                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 274                                           REGULATOR_CHANGE_STATUS,
 275                         .boot_on = 1, /* display is on at boot */
 276                         /*
 277                          * This voltage cannot be disabled right now because
 278                          * it is somehow affecting the external MMC
 279                          * functionality, though that typically will use
 280                          * AUX3.
 281                          */
 282                         .always_on = 1,
 283                 },
 284                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux1_consumers),
 285                 .consumer_supplies = ab8500_vaux1_consumers,
 286         },
 287         /* supplies to the on-board eMMC */
 288         [AB8500_LDO_AUX2] = {
 289                 .constraints = {
 290                         .name = "V-eMMC1",
 291                         .min_uV = 1100000,
 292                         .max_uV = 3300000,
 293                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 294                                           REGULATOR_CHANGE_STATUS,
 295                 },
 296                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux2_consumers),
 297                 .consumer_supplies = ab8500_vaux2_consumers,
 298         },
 299         /* supply for VAUX3, supplies to SDcard slots */
 300         [AB8500_LDO_AUX3] = {
 301                 .constraints = {
 302                         .name = "V-MMC-SD",
 303                         .min_uV = 1100000,
 304                         .max_uV = 3300000,
 305                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 306                                           REGULATOR_CHANGE_STATUS,
 307                 },
 308                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux3_consumers),
 309                 .consumer_supplies = ab8500_vaux3_consumers,
 310         },
 311         /* supply for tvout, gpadc, TVOUT LDO */
 312         [AB8500_LDO_TVOUT] = {
 313                 .constraints = {
 314                         .name = "V-TVOUT",
 315                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 316                 },
 317                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vtvout_consumers),
 318                 .consumer_supplies = ab8500_vtvout_consumers,
 319         },
 320         /* supply for ab8500-vaudio, VAUDIO LDO */
 321         [AB8500_LDO_AUDIO] = {
 322                 .constraints = {
 323                         .name = "V-AUD",
 324                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 325                 },
 326         },
 327         /* supply for v-anamic1 VAMic1-LDO */
 328         [AB8500_LDO_ANAMIC1] = {
 329                 .constraints = {
 330                         .name = "V-AMIC1",
 331                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 332                 },
 333         },
 334         /* supply for v-amic2, VAMIC2 LDO, reuse constants for AMIC1 */
 335         [AB8500_LDO_ANAMIC2] = {
 336                 .constraints = {
 337                         .name = "V-AMIC2",
 338                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 339                 },
 340         },
 341         /* supply for v-dmic, VDMIC LDO */
 342         [AB8500_LDO_DMIC] = {
 343                 .constraints = {
 344                         .name = "V-DMIC",
 345                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 346                 },
 347         },
 348         /* supply for v-intcore12, VINTCORE12 LDO */
 349         [AB8500_LDO_INTCORE] = {
 350                 .constraints = {
 351                         .name = "V-INTCORE",
 352                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 353                 },
 354                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vintcore_consumers),
 355                 .consumer_supplies = ab8500_vintcore_consumers,
 356         },
 357         /* supply for U8500 CSI/DSI, VANA LDO */
 358         [AB8500_LDO_ANA] = {
 359                 .constraints = {
 360                         .name = "V-CSI/DSI",
 361                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 362                 },
 363                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vana_consumers),
 364                 .consumer_supplies = ab8500_vana_consumers,
 365         },
 366 };