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         /* lsm303dlh magnetometer */
  69         REGULATOR_SUPPLY("vdd", "3-001e"),
  70         /* Rohm BU21013 Touchscreen devices */
  71         REGULATOR_SUPPLY("avdd", "3-005c"),
  72         REGULATOR_SUPPLY("avdd", "3-005d"),
  73         /* Synaptics RMI4 Touchscreen device */
  74         REGULATOR_SUPPLY("vdd", "3-004b"),
  75         /* L3G4200D Gyroscope device */
  76         REGULATOR_SUPPLY("vdd", "2-0068"),
  77         /* Ambient light sensor device */
  78         REGULATOR_SUPPLY("vdd", "3-0029"),
  79         /* Pressure sensor device */
  80         REGULATOR_SUPPLY("vdd", "2-005c"),
  81         /* Cypress TrueTouch Touchscreen device */
  82         REGULATOR_SUPPLY("vcpin", "spi8.0"),
  83         /* Camera device */
  84         REGULATOR_SUPPLY("vaux12v5", "mmio_camera"),
  85 };
  86
  87 static struct regulator_consumer_supply ab8500_vaux2_consumers[] = {
  88         /* On-board eMMC power */
  89         REGULATOR_SUPPLY("vmmc", "sdi4"),
  90         /* AB8500 audio codec */
  91         REGULATOR_SUPPLY("vcc-N2158", "ab8500-codec.0"),
  92 };
  93
  94 static struct regulator_consumer_supply ab8500_vaux3_consumers[] = {
  95         /* External MMC slot power */
  96         REGULATOR_SUPPLY("vmmc", "sdi0"),
  97 };
  98
  99 static struct regulator_consumer_supply ab8500_vtvout_consumers[] = {
 100         /* TV-out DENC supply */
 101         REGULATOR_SUPPLY("vtvout", "ab8500-denc.0"),
 102         /* Internal general-purpose ADC */
 103         REGULATOR_SUPPLY("vddadc", "ab8500-gpadc.0"),
 104 };
 105
 106 static struct regulator_consumer_supply ab8500_vaud_consumers[] = {
 107         /* AB8500 audio-codec main supply */
 108         REGULATOR_SUPPLY("vaud", "ab8500-codec.0"),
 109 };
 110
 111 static struct regulator_consumer_supply ab8500_vamic1_consumers[] = {
 112         /* AB8500 audio-codec Mic1 supply */
 113         REGULATOR_SUPPLY("vamic1", "ab8500-codec.0"),
 114 };
 115
 116 static struct regulator_consumer_supply ab8500_vamic2_consumers[] = {
 117         /* AB8500 audio-codec Mic2 supply */
 118         REGULATOR_SUPPLY("vamic2", "ab8500-codec.0"),
 119 };
 120
 121 static struct regulator_consumer_supply ab8500_vdmic_consumers[] = {
 122         /* AB8500 audio-codec DMic supply */
 123         REGULATOR_SUPPLY("vdmic", "ab8500-codec.0"),
 124 };
 125
 126 static struct regulator_consumer_supply ab8500_vintcore_consumers[] = {
 127         /* SoC core supply, no device */
 128         REGULATOR_SUPPLY("v-intcore", NULL),
 129         /* USB Transceiver */
 130         REGULATOR_SUPPLY("vddulpivio18", "ab8500-usb.0"),
 131 };
 132
 133 static struct regulator_consumer_supply ab8500_vana_consumers[] = {
 134         /* External displays, connector on board, 1v8 power supply */
 135         REGULATOR_SUPPLY("vsmps2", "mcde.0"),
 136 };
 137
 138 /* ab8500 regulator register initialization */
 139 static struct ab8500_regulator_reg_init ab8500_reg_init[] = {
 140         /*
 141          * VanaRequestCtrl          = HP/LP depending on VxRequest
 142          * VextSupply1RequestCtrl   = HP/LP depending on VxRequest
 143          */
 144         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL2,       0xf0, 0x00),
 145         /*
 146          * VextSupply2RequestCtrl   = HP/LP depending on VxRequest
 147          * VextSupply3RequestCtrl   = HP/LP depending on VxRequest
 148          * Vaux1RequestCtrl         = HP/LP depending on VxRequest
 149          * Vaux2RequestCtrl         = HP/LP depending on VxRequest
 150          */
 151         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL3,       0xff, 0x00),
 152         /*
 153          * Vaux3RequestCtrl         = HP/LP depending on VxRequest
 154          * SwHPReq                  = Control through SWValid disabled
 155          */
 156         INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL4,       0x07, 0x00),
 157         /*
 158          * VanaSysClkReq1HPValid    = disabled
 159          * Vaux1SysClkReq1HPValid   = disabled
 160          * Vaux2SysClkReq1HPValid   = disabled
 161          * Vaux3SysClkReq1HPValid   = disabled
 162          */
 163         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID1, 0xe8, 0x00),
 164         /*
 165          * VextSupply1SysClkReq1HPValid = disabled
 166          * VextSupply2SysClkReq1HPValid = disabled
 167          * VextSupply3SysClkReq1HPValid = SysClkReq1 controlled
 168          */
 169         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID2, 0x70, 0x40),
 170         /*
 171          * VanaHwHPReq1Valid        = disabled
 172          * Vaux1HwHPreq1Valid       = disabled
 173          * Vaux2HwHPReq1Valid       = disabled
 174          * Vaux3HwHPReqValid        = disabled
 175          */
 176         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID1,     0xe8, 0x00),
 177         /*
 178          * VextSupply1HwHPReq1Valid = disabled
 179          * VextSupply2HwHPReq1Valid = disabled
 180          * VextSupply3HwHPReq1Valid = disabled
 181          */
 182         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID2,     0x07, 0x00),
 183         /*
 184          * VanaHwHPReq2Valid        = disabled
 185          * Vaux1HwHPReq2Valid       = disabled
 186          * Vaux2HwHPReq2Valid       = disabled
 187          * Vaux3HwHPReq2Valid       = disabled
 188          */
 189         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID1,     0xe8, 0x00),
 190         /*
 191          * VextSupply1HwHPReq2Valid = disabled
 192          * VextSupply2HwHPReq2Valid = disabled
 193          * VextSupply3HwHPReq2Valid = HWReq2 controlled
 194          */
 195         INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID2,     0x07, 0x04),
 196         /*
 197          * VanaSwHPReqValid         = disabled
 198          * Vaux1SwHPReqValid        = disabled
 199          */
 200         INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID1,      0xa0, 0x00),
 201         /*
 202          * Vaux2SwHPReqValid        = disabled
 203          * Vaux3SwHPReqValid        = disabled
 204          * VextSupply1SwHPReqValid  = disabled
 205          * VextSupply2SwHPReqValid  = disabled
 206          * VextSupply3SwHPReqValid  = disabled
 207          */
 208         INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID2,      0x1f, 0x00),
 209         /*
 210          * SysClkReq2Valid1         = SysClkReq2 controlled
 211          * SysClkReq3Valid1         = disabled
 212          * SysClkReq4Valid1         = SysClkReq4 controlled
 213          * SysClkReq5Valid1         = disabled
 214          * SysClkReq6Valid1         = SysClkReq6 controlled
 215          * SysClkReq7Valid1         = disabled
 216          * SysClkReq8Valid1         = disabled
 217          */
 218         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID1,    0xfe, 0x2a),
 219         /*
 220          * SysClkReq2Valid2         = disabled
 221          * SysClkReq3Valid2         = disabled
 222          * SysClkReq4Valid2         = disabled
 223          * SysClkReq5Valid2         = disabled
 224          * SysClkReq6Valid2         = SysClkReq6 controlled
 225          * SysClkReq7Valid2         = disabled
 226          * SysClkReq8Valid2         = disabled
 227          */
 228         INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID2,    0xfe, 0x20),
 229         /*
 230          * VTVoutEna                = disabled
 231          * Vintcore12Ena            = disabled
 232          * Vintcore12Sel            = 1.25 V
 233          * Vintcore12LP             = inactive (HP)
 234          * VTVoutLP                 = inactive (HP)
 235          */
 236         INIT_REGULATOR_REGISTER(AB8500_REGUMISC1,              0xfe, 0x10),
 237         /*
 238          * VaudioEna                = disabled
 239          * VdmicEna                 = disabled
 240          * Vamic1Ena                = disabled
 241          * Vamic2Ena                = disabled
 242          */
 243         INIT_REGULATOR_REGISTER(AB8500_VAUDIOSUPPLY,           0x1e, 0x00),
 244         /*
 245          * Vamic1_dzout             = high-Z when Vamic1 is disabled
 246          * Vamic2_dzout             = high-Z when Vamic2 is disabled
 247          */
 248         INIT_REGULATOR_REGISTER(AB8500_REGUCTRL1VAMIC,         0x03, 0x00),
 249         /*
 250          * VPll                     = Hw controlled (NOTE! PRCMU bits)
 251          * VanaRegu                 = force off
 252          */
 253         INIT_REGULATOR_REGISTER(AB8500_VPLLVANAREGU,           0x0f, 0x02),
 254         /*
 255          * VrefDDREna               = disabled
 256          * VrefDDRSleepMode         = inactive (no pulldown)
 257          */
 258         INIT_REGULATOR_REGISTER(AB8500_VREFDDR,                0x03, 0x00),
 259         /*
 260          * VextSupply1Regu          = HW control
 261          * VextSupply2Regu          = HW control
 262          * VextSupply3Regu          = HW control
 263          * ExtSupply2Bypass         = ExtSupply12LPn ball is 0 when Ena is 0
 264          * ExtSupply3Bypass         = ExtSupply3LPn ball is 0 when Ena is 0
 265          */
 266         INIT_REGULATOR_REGISTER(AB8500_EXTSUPPLYREGU,          0xff, 0x1a),
 267         /*
 268          * Vaux1Regu                = force HP
 269          * Vaux2Regu                = force off
 270          */
 271         INIT_REGULATOR_REGISTER(AB8500_VAUX12REGU,             0x0f, 0x01),
 272         /*
 273          * Vaux3Regu                = force off
 274          */
 275         INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3REGU,          0x03, 0x00),
 276         /*
 277          * Vaux1Sel                 = 2.5 V
 278          */
 279         INIT_REGULATOR_REGISTER(AB8500_VAUX1SEL,               0x0f, 0x08),
 280         /*
 281          * Vaux2Sel                 = 2.9 V
 282          */
 283         INIT_REGULATOR_REGISTER(AB8500_VAUX2SEL,               0x0f, 0x0d),
 284         /*
 285          * Vaux3Sel                 = 2.91 V
 286          */
 287         INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3SEL,           0x07, 0x07),
 288         /*
 289          * VextSupply12LP           = disabled (no LP)
 290          */
 291         INIT_REGULATOR_REGISTER(AB8500_REGUCTRL2SPARE,         0x01, 0x00),
 292         /*
 293          * Vaux1Disch               = short discharge time
 294          * Vaux2Disch               = short discharge time
 295          * Vaux3Disch               = short discharge time
 296          * Vintcore12Disch          = short discharge time
 297          * VTVoutDisch              = short discharge time
 298          * VaudioDisch              = short discharge time
 299          */
 300         INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH,          0xfc, 0x00),
 301         /*
 302          * VanaDisch                = short discharge time
 303          * VdmicPullDownEna         = pulldown disabled when Vdmic is disabled
 304          * VdmicDisch               = short discharge time
 305          */
 306         INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH2,         0x16, 0x00),
 307 };
 308
 309 /* AB8500 regulators */
 310 static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
 311         /* supplies to the display/camera */
 312         [AB8500_LDO_AUX1] = {
 313                 .constraints = {
 314                         .name = "V-DISPLAY",
 315                         .min_uV = 2500000,
 316                         .max_uV = 2900000,
 317                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 318                                           REGULATOR_CHANGE_STATUS,
 319                         .boot_on = 1, /* display is on at boot */
 320                         /*
 321                          * This voltage cannot be disabled right now because
 322                          * it is somehow affecting the external MMC
 323                          * functionality, though that typically will use
 324                          * AUX3.
 325                          */
 326                         .always_on = 1,
 327                 },
 328                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux1_consumers),
 329                 .consumer_supplies = ab8500_vaux1_consumers,
 330         },
 331         /* supplies to the on-board eMMC */
 332         [AB8500_LDO_AUX2] = {
 333                 .constraints = {
 334                         .name = "V-eMMC1",
 335                         .min_uV = 1100000,
 336                         .max_uV = 3300000,
 337                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 338                                           REGULATOR_CHANGE_STATUS,
 339                 },
 340                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux2_consumers),
 341                 .consumer_supplies = ab8500_vaux2_consumers,
 342         },
 343         /* supply for VAUX3, supplies to SDcard slots */
 344         [AB8500_LDO_AUX3] = {
 345                 .constraints = {
 346                         .name = "V-MMC-SD",
 347                         .min_uV = 1100000,
 348                         .max_uV = 3300000,
 349                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 350                                           REGULATOR_CHANGE_STATUS,
 351                 },
 352                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux3_consumers),
 353                 .consumer_supplies = ab8500_vaux3_consumers,
 354         },
 355         /* supply for tvout, gpadc, TVOUT LDO */
 356         [AB8500_LDO_TVOUT] = {
 357                 .constraints = {
 358                         .name = "V-TVOUT",
 359                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 360                 },
 361                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vtvout_consumers),
 362                 .consumer_supplies = ab8500_vtvout_consumers,
 363         },
 364         /* supply for ab8500-vaudio, VAUDIO LDO */
 365         [AB8500_LDO_AUDIO] = {
 366                 .constraints = {
 367                         .name = "V-AUD",
 368                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 369                 },
 370                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaud_consumers),
 371                 .consumer_supplies = ab8500_vaud_consumers,
 372         },
 373         /* supply for v-anamic1 VAMic1-LDO */
 374         [AB8500_LDO_ANAMIC1] = {
 375                 .constraints = {
 376                         .name = "V-AMIC1",
 377                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 378                 },
 379                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vamic1_consumers),
 380                 .consumer_supplies = ab8500_vamic1_consumers,
 381         },
 382         /* supply for v-amic2, VAMIC2 LDO, reuse constants for AMIC1 */
 383         [AB8500_LDO_ANAMIC2] = {
 384                 .constraints = {
 385                         .name = "V-AMIC2",
 386                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 387                 },
 388                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vamic2_consumers),
 389                 .consumer_supplies = ab8500_vamic2_consumers,
 390         },
 391         /* supply for v-dmic, VDMIC LDO */
 392         [AB8500_LDO_DMIC] = {
 393                 .constraints = {
 394                         .name = "V-DMIC",
 395                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 396                 },
 397                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vdmic_consumers),
 398                 .consumer_supplies = ab8500_vdmic_consumers,
 399         },
 400         /* supply for v-intcore12, VINTCORE12 LDO */
 401         [AB8500_LDO_INTCORE] = {
 402                 .constraints = {
 403                         .name = "V-INTCORE",
 404                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 405                 },
 406                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vintcore_consumers),
 407                 .consumer_supplies = ab8500_vintcore_consumers,
 408         },
 409         /* supply for U8500 CSI/DSI, VANA LDO */
 410         [AB8500_LDO_ANA] = {
 411                 .constraints = {
 412                         .name = "V-CSI/DSI",
 413                         .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 414                 },
 415                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vana_consumers),
 416                 .consumer_supplies = ab8500_vana_consumers,
 417         },
 418 };
 419
 420 struct ab8500_regulator_platform_data ab8500_regulator_plat_data = {
 421         .reg_init               = ab8500_reg_init,
 422         .num_reg_init           = ARRAY_SIZE(ab8500_reg_init),
 423         .regulator              = ab8500_regulators,
 424         .num_regulator          = ARRAY_SIZE(ab8500_regulators),
 425 };