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_vaud_consumers[] = {
  78         /* AB8500 audio-codec main supply */
  79         REGULATOR_SUPPLY("vaud", "ab8500-codec.0"),
  80 };
  81
  82 static struct regulator_consumer_supply ab8500_vamic1_consumers[] = {
  83         /* AB8500 audio-codec Mic1 supply */
  84         REGULATOR_SUPPLY("vamic1", "ab8500-codec.0"),
  85 };
  86
  87 static struct regulator_consumer_supply ab8500_vamic2_consumers[] = {
  88         /* AB8500 audio-codec Mic2 supply */
  89         REGULATOR_SUPPLY("vamic2", "ab8500-codec.0"),
  90 };
  91
  92 static struct regulator_consumer_supply ab8500_vdmic_consumers[] = {
  93         /* AB8500 audio-codec DMic supply */
  94         REGULATOR_SUPPLY("vdmic", "ab8500-codec.0"),
  95 };
  96
  97 static struct regulator_consumer_supply ab8500_vintcore_consumers[] = {
  98         /* SoC core supply, no device */
  99         REGULATOR_SUPPLY("v-intcore", NULL),
 100         /* USB Transceiver */
 101         REGULATOR_SUPPLY("vddulpivio18", "ab8500-usb.0"),
 102 };
 103
 104 static struct regulator_consumer_supply ab8500_vana_consumers[] = {
 105         /* External displays, connector on board, 1v8 power supply */
 106         REGULATOR_SUPPLY("vsmps2", "mcde.0"),
 107 };
 108
 109 /* ab8500 regulator register initialization */
 110 struct ab8500_regulator_reg_init
 111 ab8500_regulator_reg_init[AB8500_NUM_REGULATOR_REGISTERS] = {
 112         /*
 113          * VanaRequestCtrl          = HP/LP depending on VxRequest
 114          * VextSupply1RequestCtrl   = HP/LP depending on VxRequest
 115          */
 116         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL2, 0x00),
 117         /*
 118          * VextSupply2RequestCtrl   = HP/LP depending on VxRequest
 119          * VextSupply3RequestCtrl   = HP/LP depending on VxRequest
 120          * Vaux1RequestCtrl         = HP/LP depending on VxRequest
 121          * Vaux2RequestCtrl         = HP/LP depending on VxRequest
 122          */
 123         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL3, 0x00),
 124         /*
 125          * Vaux3RequestCtrl         = HP/LP depending on VxRequest
 126          * SwHPReq                  = Control through SWValid disabled
 127          */
 128         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL4, 0x00),
 129         /*
 130          * VanaSysClkReq1HPValid    = disabled
 131          * Vaux1SysClkReq1HPValid   = disabled
 132          * Vaux2SysClkReq1HPValid   = disabled
 133          * Vaux3SysClkReq1HPValid   = disabled
 134          */
 135         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID1, 0x00),
 136         /*
 137          * VextSupply1SysClkReq1HPValid = disabled
 138          * VextSupply2SysClkReq1HPValid = disabled
 139          * VextSupply3SysClkReq1HPValid = SysClkReq1 controlled
 140          */
 141         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID2, 0x40),
 142         /*
 143          * VanaHwHPReq1Valid        = disabled
 144          * Vaux1HwHPreq1Valid       = disabled
 145          * Vaux2HwHPReq1Valid       = disabled
 146          * Vaux3HwHPReqValid        = disabled
 147          */
 148         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID1, 0x00),
 149         /*
 150          * VextSupply1HwHPReq1Valid = disabled
 151          * VextSupply2HwHPReq1Valid = disabled
 152          * VextSupply3HwHPReq1Valid = disabled
 153          */
 154         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID2, 0x00),
 155         /*
 156          * VanaHwHPReq2Valid        = disabled
 157          * Vaux1HwHPReq2Valid       = disabled
 158          * Vaux2HwHPReq2Valid       = disabled
 159          * Vaux3HwHPReq2Valid       = disabled
 160          */
 161         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID1, 0x00),
 162         /*
 163          * VextSupply1HwHPReq2Valid = disabled
 164          * VextSupply2HwHPReq2Valid = disabled
 165          * VextSupply3HwHPReq2Valid = HWReq2 controlled
 166          */
 167         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID2, 0x04),
 168         /*
 169          * VanaSwHPReqValid         = disabled
 170          * Vaux1SwHPReqValid        = disabled
 171          */
 172         INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID1, 0x00),
 173         /*
 174          * Vaux2SwHPReqValid        = disabled
 175          * Vaux3SwHPReqValid        = disabled
 176          * VextSupply1SwHPReqValid  = disabled
 177          * VextSupply2SwHPReqValid  = disabled
 178          * VextSupply3SwHPReqValid  = disabled
 179          */
 180         INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID2, 0x00),
 181         /*
 182          * SysClkReq2Valid1         = SysClkReq2 controlled
 183          * SysClkReq3Valid1         = disabled
 184          * SysClkReq4Valid1         = SysClkReq4 controlled
 185          * SysClkReq5Valid1         = disabled
 186          * SysClkReq6Valid1         = SysClkReq6 controlled
 187          * SysClkReq7Valid1         = disabled
 188          * SysClkReq8Valid1         = disabled
 189          */
 190         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID1, 0x2a),
 191         /*
 192          * SysClkReq2Valid2         = disabled
 193          * SysClkReq3Valid2         = disabled
 194          * SysClkReq4Valid2         = disabled
 195          * SysClkReq5Valid2         = disabled
 196          * SysClkReq6Valid2         = SysClkReq6 controlled
 197          * SysClkReq7Valid2         = disabled
 198          * SysClkReq8Valid2         = disabled
 199          */
 200         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID2, 0x20),
 201         /*
 202          * VTVoutEna                = disabled
 203          * Vintcore12Ena            = disabled
 204          * Vintcore12Sel            = 1.25 V
 205          * Vintcore12LP             = inactive (HP)
 206          * VTVoutLP                 = inactive (HP)
 207          */
 208         INIT_REGULATOR_REGISTER(AB8500_REGUMISC1, 0x10),
 209         /*
 210          * VaudioEna                = disabled
 211          * VdmicEna                 = disabled
 212          * Vamic1Ena                = disabled
 213          * Vamic2Ena                = disabled
 214          */
 215         INIT_REGULATOR_REGISTER(AB8500_VAUDIOSUPPLY, 0x00),
 216         /*
 217          * Vamic1_dzout             = high-Z when Vamic1 is disabled
 218          * Vamic2_dzout             = high-Z when Vamic2 is disabled
 219          */
 220         INIT_REGULATOR_REGISTER(AB8500_REGUCTRL1VAMIC, 0x00),
 221         /*
 222          * VPll                     = Hw controlled
 223          * VanaRegu                 = force off
 224          */
 225         INIT_REGULATOR_REGISTER(AB8500_VPLLVANAREGU, 0x02),
 226         /*
 227          * VrefDDREna               = disabled
 228          * VrefDDRSleepMode         = inactive (no pulldown)
 229          */
 230         INIT_REGULATOR_REGISTER(AB8500_VREFDDR, 0x00),
 231         /*
 232          * VextSupply1Regu          = HW control
 233          * VextSupply2Regu          = HW control
 234          * VextSupply3Regu          = HW control
 235          * ExtSupply2Bypass         = ExtSupply12LPn ball is 0 when Ena is 0
 236          * ExtSupply3Bypass         = ExtSupply3LPn ball is 0 when Ena is 0
 237          */
 238         INIT_REGULATOR_REGISTER(AB8500_EXTSUPPLYREGU, 0x2a),
 239         /*
 240          * Vaux1Regu                = force HP
 241          * Vaux2Regu                = force off
 242          */
 243         INIT_REGULATOR_REGISTER(AB8500_VAUX12REGU, 0x01),
 244         /*
 245          * Vaux3regu                = force off
 246          */
 247         INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3REGU, 0x00),
 248         /*
 249          * Vsmps1                   = 1.15V
 250          */
 251         INIT_REGULATOR_REGISTER(AB8500_VSMPS1SEL1, 0x24),
 252         /*
 253          * Vaux1Sel                 = 2.5 V
 254          */
 255         INIT_REGULATOR_REGISTER(AB8500_VAUX1SEL, 0x08),
 256         /*
 257          * Vaux2Sel                 = 2.9 V
 258          */
 259         INIT_REGULATOR_REGISTER(AB8500_VAUX2SEL, 0x0d),
 260         /*
 261          * Vaux3Sel                 = 2.91 V
 262          */
 263         INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3SEL, 0x07),
 264         /*
 265          * VextSupply12LP           = disabled (no LP)
 266          */
 267         INIT_REGULATOR_REGISTER(AB8500_REGUCTRL2SPARE, 0x00),
 268         /*
 269          * Vaux1Disch               = short discharge time
 270          * Vaux2Disch               = short discharge time
 271          * Vaux3Disch               = short discharge time
 272          * Vintcore12Disch          = short discharge time
 273          * VTVoutDisch              = short discharge time
 274          * VaudioDisch              = short discharge time
 275          */
 276         INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH, 0x00),
 277         /*
 278          * VanaDisch                = short discharge time
 279          * VdmicPullDownEna         = pulldown disabled when Vdmic is disabled
 280          * VdmicDisch               = short discharge time
 281          */
 282         INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH2, 0x00),
 283 };
 284
 285 /* AB8500 regulators */
 286 struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
 287         /* supplies to the display/camera */
 288         [AB8500_LDO_AUX1] = {
 289                 .constraints = {
 290                         .name = "V-DISPLAY",
 291                         .min_uV = 2500000,
 292                         .max_uV = 2900000,
 293                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 294                                           REGULATOR_CHANGE_STATUS,
 295                         .boot_on = 1, /* display is on at boot */
 296                         /*
 297                          * This voltage cannot be disabled right now because
 298                          * it is somehow affecting the external MMC
 299                          * functionality, though that typically will use
 300                          * AUX3.
 301                          */
 302                         .always_on = 1,
 303                 },
 304                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux1_consumers),
 305                 .consumer_supplies = ab8500_vaux1_consumers,
 306         },
 307         /* supplies to the on-board eMMC */
 308         [AB8500_LDO_AUX2] = {
 309                 .constraints = {
 310                         .name = "V-eMMC1",
 311                         .min_uV = 1100000,
 312                         .max_uV = 3300000,
 313                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 314                                           REGULATOR_CHANGE_STATUS,
 315                 },
 316                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux2_consumers),
 317                 .consumer_supplies = ab8500_vaux2_consumers,
 318         },
 319         /* supply for VAUX3, supplies to SDcard slots */
 320         [AB8500_LDO_AUX3] = {
 321                 .constraints = {
 322                         .name = "V-MMC-SD",
 323                         .min_uV = 1100000,
 324                         .max_uV = 3300000,
 325                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 326                                           REGULATOR_CHANGE_STATUS,
 327                 },
 328                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux3_consumers),
 329                 .consumer_supplies = ab8500_vaux3_consumers,
 330         },
 331         /* supply for tvout, gpadc, TVOUT LDO */
 332         [AB8500_LDO_TVOUT] = {
 333                 .constraints = {
 334                         .name = "V-TVOUT",
 335                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 336                 },
 337                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vtvout_consumers),
 338                 .consumer_supplies = ab8500_vtvout_consumers,
 339         },
 340         /* supply for ab8500-vaudio, VAUDIO LDO */
 341         [AB8500_LDO_AUDIO] = {
 342                 .constraints = {
 343                         .name = "V-AUD",
 344                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 345                 },
 346                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaud_consumers),
 347                 .consumer_supplies = ab8500_vaud_consumers,
 348         },
 349         /* supply for v-anamic1 VAMic1-LDO */
 350         [AB8500_LDO_ANAMIC1] = {
 351                 .constraints = {
 352                         .name = "V-AMIC1",
 353                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 354                 },
 355                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vamic1_consumers),
 356                 .consumer_supplies = ab8500_vamic1_consumers,
 357         },
 358         /* supply for v-amic2, VAMIC2 LDO, reuse constants for AMIC1 */
 359         [AB8500_LDO_ANAMIC2] = {
 360                 .constraints = {
 361                         .name = "V-AMIC2",
 362                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 363                 },
 364                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vamic2_consumers),
 365                 .consumer_supplies = ab8500_vamic2_consumers,
 366         },
 367         /* supply for v-dmic, VDMIC LDO */
 368         [AB8500_LDO_DMIC] = {
 369                 .constraints = {
 370                         .name = "V-DMIC",
 371                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 372                 },
 373                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vdmic_consumers),
 374                 .consumer_supplies = ab8500_vdmic_consumers,
 375         },
 376         /* supply for v-intcore12, VINTCORE12 LDO */
 377         [AB8500_LDO_INTCORE] = {
 378                 .constraints = {
 379                         .name = "V-INTCORE",
 380                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 381                 },
 382                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vintcore_consumers),
 383                 .consumer_supplies = ab8500_vintcore_consumers,
 384         },
 385         /* supply for U8500 CSI/DSI, VANA LDO */
 386         [AB8500_LDO_ANA] = {
 387                 .constraints = {
 388                         .name = "V-CSI/DSI",
 389                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 390                 },
 391                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vana_consumers),
 392                 .consumer_supplies = ab8500_vana_consumers,
 393         },
 394 };