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 static struct regulator_consumer_supply gpio_en_3v3_consumers[] = {
  17        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
  18 };
  19
  20 struct regulator_init_data gpio_en_3v3_regulator = {
  21        .constraints = {
  22                .name = "EN-3V3",
  23                .min_uV = 3300000,
  24                .max_uV = 3300000,
  25                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  26        },
  27        .num_consumer_supplies = ARRAY_SIZE(gpio_en_3v3_consumers),
  28        .consumer_supplies = gpio_en_3v3_consumers,
  29 };
  30
  31 /*
  32  * TPS61052 regulator
  33  */
  34 static struct regulator_consumer_supply tps61052_vaudio_consumers[] = {
  35         /*
  36          * Boost converter supply to raise voltage on audio speaker, this
  37          * is actually connected to three pins, VInVhfL (left amplifier)
  38          * VInVhfR (right amplifier) and VIntDClassInt - all three must
  39          * be connected to the same voltage.
  40          */
  41         REGULATOR_SUPPLY("vintdclassint", "ab8500-codec.0"),
  42 };
  43
  44 struct regulator_init_data tps61052_regulator = {
  45         .constraints = {
  46                 .name = "vaudio-hf",
  47                 .min_uV = 4500000,
  48                 .max_uV = 4500000,
  49                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  50         },
  51         .num_consumer_supplies = ARRAY_SIZE(tps61052_vaudio_consumers),
  52         .consumer_supplies = tps61052_vaudio_consumers,
  53 };
  54
  55 static struct regulator_consumer_supply ab8500_vaux1_consumers[] = {
  56         /* Main display, u8500 R3 uib */
  57         REGULATOR_SUPPLY("vddi", "mcde_disp_sony_acx424akp.0"),
  58         /* Main display, u8500 uib and ST uib */
  59         REGULATOR_SUPPLY("vdd1", "samsung_s6d16d0.0"),
  60         /* Secondary display, ST uib */
  61         REGULATOR_SUPPLY("vdd1", "samsung_s6d16d0.1"),
  62         /* SFH7741 proximity sensor */
  63         REGULATOR_SUPPLY("vcc", "gpio-keys.0"),
  64         /* BH1780GLS ambient light sensor */
  65         REGULATOR_SUPPLY("vcc", "2-0029"),
  66         /* lsm303dlh accelerometer */
  67         REGULATOR_SUPPLY("vdd", "3-0018"),
  68         /* lsm303dlhc accelerometer */
  69         REGULATOR_SUPPLY("vdd", "2-0019"),
  70         /* lsm303dlh magnetometer */
  71         REGULATOR_SUPPLY("vdd", "2-001e"),
  72         /* Rohm BU21013 Touchscreen devices */
  73         REGULATOR_SUPPLY("avdd", "3-005c"),
  74         REGULATOR_SUPPLY("avdd", "3-005d"),
  75         /* Synaptics RMI4 Touchscreen device */
  76         REGULATOR_SUPPLY("vdd", "3-004b"),
  77         /* L3G4200D Gyroscope device */
  78         REGULATOR_SUPPLY("vdd", "2-0068"),
  79         /* Ambient light sensor device */
  80         REGULATOR_SUPPLY("vdd", "3-0029"),
  81         /* Pressure sensor device */
  82         REGULATOR_SUPPLY("vdd", "2-005c"),
  83         /* Cypress TrueTouch Touchscreen device */
  84         REGULATOR_SUPPLY("vcpin", "spi8.0"),
  85         /* Camera device */
  86         REGULATOR_SUPPLY("vaux12v5", "mmio_camera"),
  87 };
  88
  89 static struct regulator_consumer_supply ab8500_vaux2_consumers[] = {
  90         /* On-board eMMC power */
  91         REGULATOR_SUPPLY("vmmc", "sdi4"),
  92         /* AB8500 audio codec */
  93         REGULATOR_SUPPLY("vcc-N2158", "ab8500-codec.0"),
  94 };
  95
  96 static struct regulator_consumer_supply ab8500_vaux3_consumers[] = {
  97         /* External MMC slot power */
  98         REGULATOR_SUPPLY("vmmc", "sdi0"),
  99 };
 100
 101 static struct regulator_consumer_supply ab8500_vtvout_consumers[] = {
 102         /* TV-out DENC supply */
 103         REGULATOR_SUPPLY("vtvout", "ab8500-denc.0"),
 104         /* Internal general-purpose ADC */
 105         REGULATOR_SUPPLY("vddadc", "ab8500-gpadc.0"),
 106 };
 107
 108 static struct regulator_consumer_supply ab8500_vaud_consumers[] = {
 109         /* AB8500 audio-codec main supply */
 110         REGULATOR_SUPPLY("vaud", "ab8500-codec.0"),
 111 };
 112
 113 static struct regulator_consumer_supply ab8500_vamic1_consumers[] = {
 114         /* AB8500 audio-codec Mic1 supply */
 115         REGULATOR_SUPPLY("vamic1", "ab8500-codec.0"),
 116 };
 117
 118 static struct regulator_consumer_supply ab8500_vamic2_consumers[] = {
 119         /* AB8500 audio-codec Mic2 supply */
 120         REGULATOR_SUPPLY("vamic2", "ab8500-codec.0"),
 121 };
 122
 123 static struct regulator_consumer_supply ab8500_vdmic_consumers[] = {
 124         /* AB8500 audio-codec DMic supply */
 125         REGULATOR_SUPPLY("vdmic", "ab8500-codec.0"),
 126 };
 127
 128 static struct regulator_consumer_supply ab8500_vintcore_consumers[] = {
 129         /* SoC core supply, no device */
 130         REGULATOR_SUPPLY("v-intcore", NULL),
 131         /* USB Transceiver */
 132         REGULATOR_SUPPLY("vddulpivio18", "ab8500-usb.0"),
 133 };
 134
 135 static struct regulator_consumer_supply ab8500_vana_consumers[] = {
 136         /* External displays, connector on board, 1v8 power supply */
 137         REGULATOR_SUPPLY("vsmps2", "mcde.0"),
 138 };
 139
 140 /* ab8500 regulator register initialization */
 141 static struct ab8500_regulator_reg_init ab8500_reg_init[] = {
 142         /*
 143          * VanaRequestCtrl          = HP/LP depending on VxRequest
 144          * VextSupply1RequestCtrl   = HP/LP depending on VxRequest
 145          */
 146         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL2,       0xf0, 0x00),
 147         /*
 148          * VextSupply2RequestCtrl   = HP/LP depending on VxRequest
 149          * VextSupply3RequestCtrl   = HP/LP depending on VxRequest
 150          * Vaux1RequestCtrl         = HP/LP depending on VxRequest
 151          * Vaux2RequestCtrl         = HP/LP depending on VxRequest
 152          */
 153         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL3,       0xff, 0x00),
 154         /*
 155          * Vaux3RequestCtrl         = HP/LP depending on VxRequest
 156          * SwHPReq                  = Control through SWValid disabled
 157          */
 158         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL4,       0x07, 0x00),
 159         /*
 160          * VanaSysClkReq1HPValid    = disabled
 161          * Vaux1SysClkReq1HPValid   = disabled
 162          * Vaux2SysClkReq1HPValid   = disabled
 163          * Vaux3SysClkReq1HPValid   = disabled
 164          */
 165         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID1, 0xe8, 0x00),
 166         /*
 167          * VextSupply1SysClkReq1HPValid = disabled
 168          * VextSupply2SysClkReq1HPValid = disabled
 169          * VextSupply3SysClkReq1HPValid = SysClkReq1 controlled
 170          */
 171         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID2, 0x70, 0x40),
 172         /*
 173          * VanaHwHPReq1Valid        = disabled
 174          * Vaux1HwHPreq1Valid       = disabled
 175          * Vaux2HwHPReq1Valid       = disabled
 176          * Vaux3HwHPReqValid        = disabled
 177          */
 178         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID1,     0xe8, 0x00),
 179         /*
 180          * VextSupply1HwHPReq1Valid = disabled
 181          * VextSupply2HwHPReq1Valid = disabled
 182          * VextSupply3HwHPReq1Valid = disabled
 183          */
 184         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID2,     0x07, 0x00),
 185         /*
 186          * VanaHwHPReq2Valid        = disabled
 187          * Vaux1HwHPReq2Valid       = disabled
 188          * Vaux2HwHPReq2Valid       = disabled
 189          * Vaux3HwHPReq2Valid       = disabled
 190          */
 191         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID1,     0xe8, 0x00),
 192         /*
 193          * VextSupply1HwHPReq2Valid = disabled
 194          * VextSupply2HwHPReq2Valid = disabled
 195          * VextSupply3HwHPReq2Valid = HWReq2 controlled
 196          */
 197         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID2,     0x07, 0x04),
 198         /*
 199          * VanaSwHPReqValid         = disabled
 200          * Vaux1SwHPReqValid        = disabled
 201          */
 202         INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID1,      0xa0, 0x00),
 203         /*
 204          * Vaux2SwHPReqValid        = disabled
 205          * Vaux3SwHPReqValid        = disabled
 206          * VextSupply1SwHPReqValid  = disabled
 207          * VextSupply2SwHPReqValid  = disabled
 208          * VextSupply3SwHPReqValid  = disabled
 209          */
 210         INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID2,      0x1f, 0x00),
 211         /*
 212          * SysClkReq2Valid1         = SysClkReq2 controlled
 213          * SysClkReq3Valid1         = disabled
 214          * SysClkReq4Valid1         = SysClkReq4 controlled
 215          * SysClkReq5Valid1         = disabled
 216          * SysClkReq6Valid1         = SysClkReq6 controlled
 217          * SysClkReq7Valid1         = disabled
 218          * SysClkReq8Valid1         = disabled
 219          */
 220         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID1,    0xfe, 0x2a),
 221         /*
 222          * SysClkReq2Valid2         = disabled
 223          * SysClkReq3Valid2         = disabled
 224          * SysClkReq4Valid2         = disabled
 225          * SysClkReq5Valid2         = disabled
 226          * SysClkReq6Valid2         = SysClkReq6 controlled
 227          * SysClkReq7Valid2         = disabled
 228          * SysClkReq8Valid2         = disabled
 229          */
 230         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID2,    0xfe, 0x20),
 231         /*
 232          * VTVoutEna                = disabled
 233          * Vintcore12Ena            = disabled
 234          * Vintcore12Sel            = 1.25 V
 235          * Vintcore12LP             = inactive (HP)
 236          * VTVoutLP                 = inactive (HP)
 237          */
 238         INIT_REGULATOR_REGISTER(AB8500_REGUMISC1,              0xfe, 0x10),
 239         /*
 240          * VaudioEna                = disabled
 241          * VdmicEna                 = disabled
 242          * Vamic1Ena                = disabled
 243          * Vamic2Ena                = disabled
 244          */
 245         INIT_REGULATOR_REGISTER(AB8500_VAUDIOSUPPLY,           0x1e, 0x00),
 246         /*
 247          * Vamic1_dzout             = high-Z when Vamic1 is disabled
 248          * Vamic2_dzout             = high-Z when Vamic2 is disabled
 249          */
 250         INIT_REGULATOR_REGISTER(AB8500_REGUCTRL1VAMIC,         0x03, 0x00),
 251         /*
 252          * VPll                     = Hw controlled (NOTE! PRCMU bits)
 253          * VanaRegu                 = force off
 254          */
 255         INIT_REGULATOR_REGISTER(AB8500_VPLLVANAREGU,           0x0f, 0x02),
 256         /*
 257          * VrefDDREna               = disabled
 258          * VrefDDRSleepMode         = inactive (no pulldown)
 259          */
 260         INIT_REGULATOR_REGISTER(AB8500_VREFDDR,                0x03, 0x00),
 261         /*
 262          * VextSupply1Regu          = force LP
 263          * VextSupply2Regu          = force OFF
 264          * VextSupply3Regu          = force HP (-> STBB2=LP and TPS=LP)
 265          * ExtSupply2Bypass         = ExtSupply12LPn ball is 0 when Ena is 0
 266          * ExtSupply3Bypass         = ExtSupply3LPn ball is 0 when Ena is 0
 267          */
 268         INIT_REGULATOR_REGISTER(AB8500_EXTSUPPLYREGU,          0xff, 0x13),
 269         /*
 270          * Vaux1Regu                = force HP
 271          * Vaux2Regu                = force off
 272          */
 273         INIT_REGULATOR_REGISTER(AB8500_VAUX12REGU,             0x0f, 0x01),
 274         /*
 275          * Vaux3Regu                = force off
 276          */
 277         INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3REGU,          0x03, 0x00),
 278         /*
 279          * Vaux1Sel                 = 2.5 V
 280          */
 281         INIT_REGULATOR_REGISTER(AB8500_VAUX1SEL,               0x0f, 0x08),
 282         /*
 283          * Vaux2Sel                 = 2.9 V
 284          */
 285         INIT_REGULATOR_REGISTER(AB8500_VAUX2SEL,               0x0f, 0x0d),
 286         /*
 287          * Vaux3Sel                 = 2.91 V
 288          */
 289         INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3SEL,           0x07, 0x07),
 290         /*
 291          * VextSupply12LP           = disabled (no LP)
 292          */
 293         INIT_REGULATOR_REGISTER(AB8500_REGUCTRL2SPARE,         0x01, 0x00),
 294         /*
 295          * Vaux1Disch               = short discharge time
 296          * Vaux2Disch               = short discharge time
 297          * Vaux3Disch               = short discharge time
 298          * Vintcore12Disch          = short discharge time
 299          * VTVoutDisch              = short discharge time
 300          * VaudioDisch              = short discharge time
 301          */
 302         INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH,          0xfc, 0x00),
 303         /*
 304          * VanaDisch                = short discharge time
 305          * VdmicPullDownEna         = pulldown disabled when Vdmic is disabled
 306          * VdmicDisch               = short discharge time
 307          */
 308         INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH2,         0x16, 0x00),
 309 };
 310
 311 /* AB8500 regulators */
 312 static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
 313         /* supplies to the display/camera */
 314         [AB8500_LDO_AUX1] = {
 315                 .constraints = {
 316                         .name = "V-DISPLAY",
 317                         .min_uV = 2500000,
 318                         .max_uV = 2900000,
 319                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 320                                           REGULATOR_CHANGE_STATUS,
 321                         .boot_on = 1, /* display is on at boot */
 322                         /*
 323                          * This voltage cannot be disabled right now because
 324                          * it is somehow affecting the external MMC
 325                          * functionality, though that typically will use
 326                          * AUX3.
 327                          */
 328                         .always_on = 1,
 329                 },
 330                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux1_consumers),
 331                 .consumer_supplies = ab8500_vaux1_consumers,
 332         },
 333         /* supplies to the on-board eMMC */
 334         [AB8500_LDO_AUX2] = {
 335                 .constraints = {
 336                         .name = "V-eMMC1",
 337                         .min_uV = 1100000,
 338                         .max_uV = 3300000,
 339                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 340                                           REGULATOR_CHANGE_STATUS,
 341                 },
 342                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux2_consumers),
 343                 .consumer_supplies = ab8500_vaux2_consumers,
 344         },
 345         /* supply for VAUX3, supplies to SDcard slots */
 346         [AB8500_LDO_AUX3] = {
 347                 .constraints = {
 348                         .name = "V-MMC-SD",
 349                         .min_uV = 1100000,
 350                         .max_uV = 3300000,
 351                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 352                                           REGULATOR_CHANGE_STATUS,
 353                 },
 354                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux3_consumers),
 355                 .consumer_supplies = ab8500_vaux3_consumers,
 356         },
 357         /* supply for tvout, gpadc, TVOUT LDO */
 358         [AB8500_LDO_TVOUT] = {
 359                 .constraints = {
 360                         .name = "V-TVOUT",
 361                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 362                 },
 363                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vtvout_consumers),
 364                 .consumer_supplies = ab8500_vtvout_consumers,
 365         },
 366         /* supply for ab8500-vaudio, VAUDIO LDO */
 367         [AB8500_LDO_AUDIO] = {
 368                 .constraints = {
 369                         .name = "V-AUD",
 370                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 371                 },
 372                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaud_consumers),
 373                 .consumer_supplies = ab8500_vaud_consumers,
 374         },
 375         /* supply for v-anamic1 VAMic1-LDO */
 376         [AB8500_LDO_ANAMIC1] = {
 377                 .constraints = {
 378                         .name = "V-AMIC1",
 379                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 380                 },
 381                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vamic1_consumers),
 382                 .consumer_supplies = ab8500_vamic1_consumers,
 383         },
 384         /* supply for v-amic2, VAMIC2 LDO, reuse constants for AMIC1 */
 385         [AB8500_LDO_ANAMIC2] = {
 386                 .constraints = {
 387                         .name = "V-AMIC2",
 388                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 389                 },
 390                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vamic2_consumers),
 391                 .consumer_supplies = ab8500_vamic2_consumers,
 392         },
 393         /* supply for v-dmic, VDMIC LDO */
 394         [AB8500_LDO_DMIC] = {
 395                 .constraints = {
 396                         .name = "V-DMIC",
 397                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 398                 },
 399                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vdmic_consumers),
 400                 .consumer_supplies = ab8500_vdmic_consumers,
 401         },
 402         /* supply for v-intcore12, VINTCORE12 LDO */
 403         [AB8500_LDO_INTCORE] = {
 404                 .constraints = {
 405                         .name = "V-INTCORE",
 406                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 407                 },
 408                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vintcore_consumers),
 409                 .consumer_supplies = ab8500_vintcore_consumers,
 410         },
 411         /* supply for U8500 CSI/DSI, VANA LDO */
 412         [AB8500_LDO_ANA] = {
 413                 .constraints = {
 414                         .name = "V-CSI/DSI",
 415                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 416                 },
 417                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vana_consumers),
 418                 .consumer_supplies = ab8500_vana_consumers,
 419         },
 420 };
 421
 422 /* supply for VextSupply3 */
 423 static struct regulator_consumer_supply ab8500_ext_supply3_consumers[] = {
 424         /* SIM supply for 3 V SIM cards */
 425         REGULATOR_SUPPLY("vinvsim", "sim-detect.0"),
 426 };
 427
 428 /* extended configuration for VextSupply2, only used for HREFP_V20 boards */
 429 static struct ab8500_ext_regulator_cfg ab8500_ext_supply2 = {
 430         .hwreq = true,
 431 };
 432
 433 /*
 434  * AB8500 external regulators
 435  */
 436 static struct regulator_init_data ab8500_ext_regulators[] = {
 437         /* fixed Vbat supplies VSMPS1_EXT_1V8 */
 438         [AB8500_EXT_SUPPLY1] = {
 439                 .constraints = {
 440                         .name = "ab8500-ext-supply1",
 441                         .min_uV = 1800000,
 442                         .max_uV = 1800000,
 443                         .initial_mode = REGULATOR_MODE_IDLE,
 444                         .boot_on = 1,
 445                         .always_on = 1,
 446                 },
 447         },
 448         /* fixed Vbat supplies VSMPS2_EXT_1V36 and VSMPS5_EXT_1V15 */
 449         [AB8500_EXT_SUPPLY2] = {
 450                 .constraints = {
 451                         .name = "ab8500-ext-supply2",
 452                         .min_uV = 1360000,
 453                         .max_uV = 1360000,
 454                 },
 455         },
 456         /* fixed Vbat supplies VSMPS3_EXT_3V4 and VSMPS4_EXT_3V4 */
 457         [AB8500_EXT_SUPPLY3] = {
 458                 .constraints = {
 459                         .name = "ab8500-ext-supply3",
 460                         .min_uV = 3400000,
 461                         .max_uV = 3400000,
 462                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 463                         .boot_on = 1,
 464                 },
 465                 .num_consumer_supplies =
 466                         ARRAY_SIZE(ab8500_ext_supply3_consumers),
 467                 .consumer_supplies = ab8500_ext_supply3_consumers,
 468         },
 469 };
 470
 471 struct ab8500_regulator_platform_data ab8500_regulator_plat_data = {
 472         .reg_init               = ab8500_reg_init,
 473         .num_reg_init           = ARRAY_SIZE(ab8500_reg_init),
 474         .regulator              = ab8500_regulators,
 475         .num_regulator          = ARRAY_SIZE(ab8500_regulators),
 476         .ext_regulator          = ab8500_ext_regulators,
 477         .num_ext_regulator      = ARRAY_SIZE(ab8500_ext_regulators),
 478 };