arch/arm/mach-tegra/board-dalmore-powermon.c

   1 /*
   2  * arch/arm/mach-tegra/board-dalmore-powermon.c
   3  *
   4  * Copyright (c) 2011-2013, NVIDIA CORPORATION. All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include <linux/i2c.h>
  20 #include <linux/ina219.h>
  21
  22 #include "board.h"
  23 #include "board-dalmore.h"
  24
  25 #define PRECISION_MULTIPLIER_DALMORE 1000
  26
  27 enum {
  28         VDD_12V_DCIN_RS,
  29         VDD_AC_BAT_VIN1,
  30         VDD_5V0_SYS,
  31         VDD_3V3_SYS,
  32         VDD_3V3_SYS_VIN4_5_7,
  33         AVDD_USB_HDMI,
  34         VDD_AC_BAT_D1,
  35         VDD_AO_SMPS12_IN,
  36         VDD_3V3_SYS_SMPS45_IN,
  37         VDD_AO_SMPS2_IN,
  38         VDDIO_HV_AP,
  39         VDD_1V8_LDO3_IN,
  40         VDD_3V3_SYS_LDO4_IN,
  41         VDD_AO_LDO8_IN,
  42         VDD_1V8_AP,
  43         VDD_1V8_DSM,
  44 };
  45
  46 static struct ina219_platform_data power_mon_info[] = {
  47         [VDD_12V_DCIN_RS] = {
  48                 .calibration_data  = 0xaec0,
  49                 .power_lsb = 1.8311874106 * PRECISION_MULTIPLIER_DALMORE,
  50                 .rail_name = "VDD_12V_DCIN_RS",
  51                 .divisor = 20,
  52                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
  53                 .cont_conf = 0x3FFF,
  54                 .trig_conf = 0x1DB,
  55                 .shunt_resistor = 10,
  56         },
  57
  58         [VDD_AC_BAT_VIN1] = {
  59                 .calibration_data  = 0xfffe,
  60                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
  61                 .rail_name = "VDD_AC_BAT_VIN1",
  62                 .divisor = 20,
  63                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
  64                 .cont_conf = 0x3FFF,
  65                 .trig_conf = 0x1DB,
  66                 .shunt_resistor = 10,
  67         },
  68
  69         [VDD_5V0_SYS] = {
  70                 .calibration_data  = 0xfffe,
  71                 .power_lsb = 2.5000762963 * PRECISION_MULTIPLIER_DALMORE,
  72                 .rail_name = "VDD_5V0_SYS",
  73                 .divisor = 20,
  74                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
  75                 .cont_conf = 0x3FFF,
  76                 .trig_conf = 0x1DB,
  77                 .shunt_resistor = 5,
  78         },
  79
  80         [VDD_3V3_SYS] = {
  81                 .calibration_data  = 0xfffe,
  82                 .power_lsb = 2.5000762963 * PRECISION_MULTIPLIER_DALMORE,
  83                 .rail_name = "VDD_3V3_SYS",
  84                 .divisor = 20,
  85                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
  86                 .cont_conf = 0x3FFF,
  87                 .trig_conf = 0x1DB,
  88                 .shunt_resistor = 5,
  89         },
  90
  91         [VDD_3V3_SYS_VIN4_5_7] = {
  92                 .calibration_data  = 0xfffe,
  93                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
  94                 .rail_name = "VDD_3V3_SYS_VIN4_5_7",
  95                 .divisor = 20,
  96                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
  97                 .cont_conf = 0x3FFF,
  98                 .trig_conf = 0x1DB,
  99                 .shunt_resistor = 10,
 100         },
 101
 102         [AVDD_USB_HDMI] = {
 103                 .calibration_data  = 0xfffe,
 104                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
 105                 .rail_name = "AVDD_USB_HDMI",
 106                 .divisor = 20,
 107                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 108                 .cont_conf = 0x3FFF,
 109                 .trig_conf = 0x1DB,
 110                 .shunt_resistor = 10,
 111         },
 112
 113         [VDD_AC_BAT_D1] = {
 114                 .calibration_data  = 0x7CD2,
 115                 .power_lsb = 2.563685298 * PRECISION_MULTIPLIER_DALMORE,
 116                 .rail_name = "VDD_AC_BAT_D1",
 117                 .divisor = 20,
 118                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 119                 .cont_conf = 0x3FFF,
 120                 .trig_conf = 0x1DB,
 121                 .shunt_resistor = 10,
 122         },
 123
 124         [VDD_AO_SMPS12_IN] = {
 125                 .calibration_data  = 0xaec0,
 126                 .power_lsb = 1.8311874106 * PRECISION_MULTIPLIER_DALMORE,
 127                 .rail_name = "VDD_AO_SMPS12_IN",
 128                 .divisor = 20,
 129                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 130                 .cont_conf = 0x3FFF,
 131                 .trig_conf = 0x1DB,
 132                 .shunt_resistor = 10,
 133         },
 134
 135         [VDD_3V3_SYS_SMPS45_IN] = {
 136                 .calibration_data  = 0xfffe,
 137                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
 138                 .rail_name = "VDD_3V3_SYS_SMPS45_IN",
 139                 .divisor = 20,
 140                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 141                 .cont_conf = 0x3FFF,
 142                 .trig_conf = 0x1DB,
 143                 .shunt_resistor = 10,
 144         },
 145
 146         [VDD_AO_SMPS2_IN] = {
 147                 .calibration_data  = 0xfffe,
 148                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
 149                 .rail_name = "VDD_AO_SMPS2_IN",
 150                 .divisor = 20,
 151                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 152                 .cont_conf = 0x3FFF,
 153                 .trig_conf = 0x1DB,
 154                 .shunt_resistor = 10,
 155         },
 156
 157         [VDDIO_HV_AP] = {
 158                 .calibration_data  = 0xfffe,
 159                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
 160                 .rail_name = "VDDIO_HV_AP",
 161                 .divisor = 20,
 162                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 163                 .cont_conf = 0x3FFF,
 164                 .trig_conf = 0x1DB,
 165                 .shunt_resistor = 10,
 166         },
 167
 168         [VDD_1V8_LDO3_IN] = {
 169                 .calibration_data  = 0xfffe,
 170                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
 171                 .rail_name = "VDD_1V8_LDO3_IN",
 172                 .divisor = 20,
 173                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 174                 .cont_conf = 0x3FFF,
 175                 .trig_conf = 0x1DB,
 176                 .shunt_resistor = 10,
 177         },
 178
 179         [VDD_3V3_SYS_LDO4_IN] = {
 180                 .calibration_data  = 0xfffe,
 181                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
 182                 .rail_name = "VDD_3V3_SYS_LDO4_IN",
 183                 .divisor = 20,
 184                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 185                 .cont_conf = 0x3FFF,
 186                 .trig_conf = 0x1DB,
 187                 .shunt_resistor = 10,
 188         },
 189
 190         [VDD_AO_LDO8_IN] = {
 191                 .calibration_data  = 0xfffe,
 192                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
 193                 .rail_name = "VDD_AO_LDO8_IN",
 194                 .divisor = 20,
 195                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 196                 .cont_conf = 0x3FFF,
 197                 .trig_conf = 0x1DB,
 198                 .shunt_resistor = 10,
 199         },
 200
 201         [VDD_1V8_AP] = {
 202                 .calibration_data  = 0xfffe,
 203                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
 204                 .rail_name = "VDD_1V8_AP",
 205                 .divisor = 20,
 206                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 207                 .cont_conf = 0x3FFF,
 208                 .trig_conf = 0x1DB,
 209                 .shunt_resistor = 10,
 210         },
 211
 212         [VDD_1V8_DSM] = {
 213                 .calibration_data  = 0xfffe,
 214                 .power_lsb = 1.2500381481 * PRECISION_MULTIPLIER_DALMORE,
 215                 .rail_name = "VDD_1V8_DSM",
 216                 .divisor = 20,
 217                 .precision_multiplier = PRECISION_MULTIPLIER_DALMORE,
 218                 .cont_conf = 0x3FFF,
 219                 .trig_conf = 0x1DB,
 220                 .shunt_resistor = 10,
 221         },
 222 };
 223
 224 enum {
 225         INA_I2C_ADDR_40,
 226         INA_I2C_ADDR_41,
 227         INA_I2C_ADDR_42,
 228         INA_I2C_ADDR_43,
 229         INA_I2C_ADDR_44,
 230         INA_I2C_ADDR_45,
 231         INA_I2C_ADDR_46,
 232         INA_I2C_ADDR_47,
 233         INA_I2C_ADDR_48,
 234         INA_I2C_ADDR_49,
 235         INA_I2C_ADDR_4A,
 236         INA_I2C_ADDR_4B,
 237         INA_I2C_ADDR_4C,
 238         INA_I2C_ADDR_4D,
 239         INA_I2C_ADDR_4E,
 240         INA_I2C_ADDR_4F,
 241 };
 242
 243 static struct i2c_board_info dalmore_i2c0_ina219_board_info[] = {
 244         [INA_I2C_ADDR_40] = {
 245                 I2C_BOARD_INFO("ina219", 0x40),
 246                 .platform_data = &power_mon_info[VDD_12V_DCIN_RS],
 247                 .irq = -1,
 248         },
 249
 250         [INA_I2C_ADDR_41] = {
 251                 I2C_BOARD_INFO("ina219", 0x41),
 252                 .platform_data = &power_mon_info[VDD_AC_BAT_VIN1],
 253                 .irq = -1,
 254         },
 255
 256         [INA_I2C_ADDR_42] = {
 257                 I2C_BOARD_INFO("ina219", 0x42),
 258                 .platform_data = &power_mon_info[VDD_5V0_SYS],
 259                 .irq = -1,
 260         },
 261
 262         [INA_I2C_ADDR_43] = {
 263                 I2C_BOARD_INFO("ina219", 0x43),
 264                 .platform_data = &power_mon_info[VDD_3V3_SYS],
 265                 .irq = -1,
 266         },
 267
 268         [INA_I2C_ADDR_44] = {
 269                 I2C_BOARD_INFO("ina219", 0x44),
 270                 .platform_data = &power_mon_info[VDD_3V3_SYS_VIN4_5_7],
 271                 .irq = -1,
 272         },
 273
 274         [INA_I2C_ADDR_45] = {
 275                 I2C_BOARD_INFO("ina219", 0x45),
 276                 .platform_data = &power_mon_info[AVDD_USB_HDMI],
 277                 .irq = -1,
 278         },
 279
 280         [INA_I2C_ADDR_46] = {
 281                 I2C_BOARD_INFO("ina219", 0x46),
 282                 .platform_data = &power_mon_info[VDD_AC_BAT_D1],
 283                 .irq = -1,
 284         },
 285
 286         [INA_I2C_ADDR_47] = {
 287                 I2C_BOARD_INFO("ina219", 0x47),
 288                 .platform_data = &power_mon_info[VDD_AO_SMPS12_IN],
 289                 .irq = -1,
 290         },
 291
 292         [INA_I2C_ADDR_48] = {
 293                 I2C_BOARD_INFO("ina219", 0x48),
 294                 .platform_data = &power_mon_info[VDD_3V3_SYS_SMPS45_IN],
 295                 .irq = -1,
 296         },
 297
 298         [INA_I2C_ADDR_49] = {
 299                 I2C_BOARD_INFO("ina219", 0x49),
 300                 .platform_data = &power_mon_info[VDD_AO_SMPS2_IN],
 301                 .irq = -1,
 302         },
 303
 304         [INA_I2C_ADDR_4A] = {
 305                 I2C_BOARD_INFO("ina219", 0x4A),
 306                 .platform_data = &power_mon_info[VDDIO_HV_AP],
 307                 .irq = -1,
 308         },
 309
 310         [INA_I2C_ADDR_4B] = {
 311                 I2C_BOARD_INFO("ina219", 0x4B),
 312                 .platform_data = &power_mon_info[VDD_1V8_LDO3_IN],
 313                 .irq = -1,
 314         },
 315
 316         [INA_I2C_ADDR_4C] = {
 317                 I2C_BOARD_INFO("ina219", 0x4C),
 318                 .platform_data = &power_mon_info[VDD_3V3_SYS_LDO4_IN],
 319                 .irq = -1,
 320         },
 321
 322         [INA_I2C_ADDR_4D] = {
 323                 I2C_BOARD_INFO("ina219", 0x4D),
 324                 .platform_data = &power_mon_info[VDD_AO_LDO8_IN],
 325                 .irq = -1,
 326         },
 327
 328         [INA_I2C_ADDR_4E] = {
 329                 I2C_BOARD_INFO("ina219", 0x4E),
 330                 .platform_data = &power_mon_info[VDD_1V8_AP],
 331                 .irq = -1,
 332         },
 333
 334         [INA_I2C_ADDR_4F] = {
 335                 I2C_BOARD_INFO("ina219", 0x4F),
 336                 .platform_data = &power_mon_info[VDD_1V8_DSM],
 337                 .irq = -1,
 338         },
 339 };
 340
 341 int __init dalmore_pmon_init(void)
 342 {
 343         i2c_register_board_info(1, dalmore_i2c0_ina219_board_info,
 344                 ARRAY_SIZE(dalmore_i2c0_ina219_board_info));
 345
 346         return 0;
 347 }
 348