kernel/include/linux/mfd/rc5t583.h

   1 /*
   2  * Core driver interface to access RICOH_RC5T583 power management chip.
   3  *
   4  * Copyright (c) 2011-2012, NVIDIA CORPORATION.  All rights reserved.
   5  * Author: Laxman dewangan <ldewangan@nvidia.com>
   6  *
   7  * Based on code
   8  *      Copyright (C) 2011 RICOH COMPANY,LTD
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms and conditions of the GNU General Public License,
  12  * version 2, as published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope it will be useful, but WITHOUT
  15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  17  * more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23
  24 #ifndef __LINUX_MFD_RC5T583_H
  25 #define __LINUX_MFD_RC5T583_H
  26
  27 #include <linux/mutex.h>
  28 #include <linux/types.h>
  29 #include <linux/regmap.h>
  30
  31 #define RC5T583_MAX_REGS                0xF8
  32
  33 /* Maximum number of main interrupts */
  34 #define MAX_MAIN_INTERRUPT              5
  35 #define RC5T583_MAX_GPEDGE_REG          2
  36 #define RC5T583_MAX_INTERRUPT_EN_REGS   8
  37 #define RC5T583_MAX_INTERRUPT_MASK_REGS 9
  38
  39 /* Interrupt enable register */
  40 #define RC5T583_INT_EN_SYS1     0x19
  41 #define RC5T583_INT_EN_SYS2     0x1D
  42 #define RC5T583_INT_EN_DCDC     0x41
  43 #define RC5T583_INT_EN_RTC      0xED
  44 #define RC5T583_INT_EN_ADC1     0x90
  45 #define RC5T583_INT_EN_ADC2     0x91
  46 #define RC5T583_INT_EN_ADC3     0x92
  47
  48 /* Interrupt status registers (monitor regs in Ricoh)*/
  49 #define RC5T583_INTC_INTPOL     0xAD
  50 #define RC5T583_INTC_INTEN      0xAE
  51 #define RC5T583_INTC_INTMON     0xAF
  52
  53 #define RC5T583_INT_MON_GRP     0xAF
  54 #define RC5T583_INT_MON_SYS1    0x1B
  55 #define RC5T583_INT_MON_SYS2    0x1F
  56 #define RC5T583_INT_MON_DCDC    0x43
  57 #define RC5T583_INT_MON_RTC     0xEE
  58
  59 /* Interrupt clearing registers */
  60 #define RC5T583_INT_IR_SYS1     0x1A
  61 #define RC5T583_INT_IR_SYS2     0x1E
  62 #define RC5T583_INT_IR_DCDC     0x42
  63 #define RC5T583_INT_IR_RTC      0xEE
  64 #define RC5T583_INT_IR_ADCL     0x94
  65 #define RC5T583_INT_IR_ADCH     0x95
  66 #define RC5T583_INT_IR_ADCEND   0x96
  67 #define RC5T583_INT_IR_GPIOR    0xA9
  68 #define RC5T583_INT_IR_GPIOF    0xAA
  69
  70 /* Sleep sequence registers */
  71 #define RC5T583_SLPSEQ1         0x21
  72 #define RC5T583_SLPSEQ2         0x22
  73 #define RC5T583_SLPSEQ3         0x23
  74 #define RC5T583_SLPSEQ4         0x24
  75 #define RC5T583_SLPSEQ5         0x25
  76 #define RC5T583_SLPSEQ6         0x26
  77 #define RC5T583_SLPSEQ7         0x27
  78 #define RC5T583_SLPSEQ8         0x28
  79 #define RC5T583_SLPSEQ9         0x29
  80 #define RC5T583_SLPSEQ10        0x2A
  81 #define RC5T583_SLPSEQ11        0x2B
  82
  83 /* Regulator registers */
  84 #define RC5T583_REG_DC0CTL      0x30
  85 #define RC5T583_REG_DC0DAC      0x31
  86 #define RC5T583_REG_DC0LATCTL   0x32
  87 #define RC5T583_REG_SR0CTL      0x33
  88
  89 #define RC5T583_REG_DC1CTL      0x34
  90 #define RC5T583_REG_DC1DAC      0x35
  91 #define RC5T583_REG_DC1LATCTL   0x36
  92 #define RC5T583_REG_SR1CTL      0x37
  93
  94 #define RC5T583_REG_DC2CTL      0x38
  95 #define RC5T583_REG_DC2DAC      0x39
  96 #define RC5T583_REG_DC2LATCTL   0x3A
  97 #define RC5T583_REG_SR2CTL      0x3B
  98
  99 #define RC5T583_REG_DC3CTL      0x3C
 100 #define RC5T583_REG_DC3DAC      0x3D
 101 #define RC5T583_REG_DC3LATCTL   0x3E
 102 #define RC5T583_REG_SR3CTL      0x3F
 103
 104
 105 #define RC5T583_REG_LDOEN1      0x50
 106 #define RC5T583_REG_LDOEN2      0x51
 107 #define RC5T583_REG_LDODIS1     0x52
 108 #define RC5T583_REG_LDODIS2     0x53
 109
 110 #define RC5T583_REG_LDO0DAC     0x54
 111 #define RC5T583_REG_LDO1DAC     0x55
 112 #define RC5T583_REG_LDO2DAC     0x56
 113 #define RC5T583_REG_LDO3DAC     0x57
 114 #define RC5T583_REG_LDO4DAC     0x58
 115 #define RC5T583_REG_LDO5DAC     0x59
 116 #define RC5T583_REG_LDO6DAC     0x5A
 117 #define RC5T583_REG_LDO7DAC     0x5B
 118 #define RC5T583_REG_LDO8DAC     0x5C
 119 #define RC5T583_REG_LDO9DAC     0x5D
 120
 121 #define RC5T583_REG_DC0DAC_DS   0x60
 122 #define RC5T583_REG_DC1DAC_DS   0x61
 123 #define RC5T583_REG_DC2DAC_DS   0x62
 124 #define RC5T583_REG_DC3DAC_DS   0x63
 125
 126 #define RC5T583_REG_LDO0DAC_DS  0x64
 127 #define RC5T583_REG_LDO1DAC_DS  0x65
 128 #define RC5T583_REG_LDO2DAC_DS  0x66
 129 #define RC5T583_REG_LDO3DAC_DS  0x67
 130 #define RC5T583_REG_LDO4DAC_DS  0x68
 131 #define RC5T583_REG_LDO5DAC_DS  0x69
 132 #define RC5T583_REG_LDO6DAC_DS  0x6A
 133 #define RC5T583_REG_LDO7DAC_DS  0x6B
 134 #define RC5T583_REG_LDO8DAC_DS  0x6C
 135 #define RC5T583_REG_LDO9DAC_DS  0x6D
 136
 137 /* GPIO register base address */
 138 #define RC5T583_GPIO_IOSEL      0xA0
 139 #define RC5T583_GPIO_PDEN       0xA1
 140 #define RC5T583_GPIO_IOOUT      0xA2
 141 #define RC5T583_GPIO_PGSEL      0xA3
 142 #define RC5T583_GPIO_GPINV      0xA4
 143 #define RC5T583_GPIO_GPDEB      0xA5
 144 #define RC5T583_GPIO_GPEDGE1    0xA6
 145 #define RC5T583_GPIO_GPEDGE2    0xA7
 146 #define RC5T583_GPIO_EN_INT     0xA8
 147 #define RC5T583_GPIO_MON_IOIN   0xAB
 148 #define RC5T583_GPIO_GPOFUNC    0xAC
 149
 150 /* RTC registers */
 151 #define RC5T583_RTC_SEC         0xE0
 152 #define RC5T583_RTC_MIN         0xE1
 153 #define RC5T583_RTC_HOUR        0xE2
 154 #define RC5T583_RTC_WDAY        0xE3
 155 #define RC5T583_RTC_DAY         0xE4
 156 #define RC5T583_RTC_MONTH       0xE5
 157 #define RC5T583_RTC_YEAR        0xE6
 158 #define RC5T583_RTC_ADJ         0xE7
 159 #define RC5T583_RTC_AW_MIN      0xE8
 160 #define RC5T583_RTC_AW_HOUR     0xE9
 161 #define RC5T583_RTC_AW_WEEK     0xEA
 162 #define RC5T583_RTC_AD_MIN      0xEB
 163 #define RC5T583_RTC_AD_HOUR     0xEC
 164 #define RC5T583_RTC_CTL1        0xED
 165 #define RC5T583_RTC_CTL2        0xEE
 166 #define RC5T583_RTC_AY_MIN      0xF0
 167 #define RC5T583_RTC_AY_HOUR     0xF1
 168 #define RC5T583_RTC_AY_DAY      0xF2
 169 #define RC5T583_RTC_AY_MONTH 0xF3
 170 #define RC5T583_RTC_AY_YEAR     0xF4
 171
 172 /* RICOH_RC5T583 IRQ definitions */
 173 enum {
 174         RC5T583_IRQ_ONKEY,
 175         RC5T583_IRQ_ACOK,
 176         RC5T583_IRQ_LIDOPEN,
 177         RC5T583_IRQ_PREOT,
 178         RC5T583_IRQ_CLKSTP,
 179         RC5T583_IRQ_ONKEY_OFF,
 180         RC5T583_IRQ_WD,
 181         RC5T583_IRQ_EN_PWRREQ1,
 182         RC5T583_IRQ_EN_PWRREQ2,
 183         RC5T583_IRQ_PRE_VINDET,
 184
 185         RC5T583_IRQ_DC0LIM,
 186         RC5T583_IRQ_DC1LIM,
 187         RC5T583_IRQ_DC2LIM,
 188         RC5T583_IRQ_DC3LIM,
 189
 190         RC5T583_IRQ_CTC,
 191         RC5T583_IRQ_YALE,
 192         RC5T583_IRQ_DALE,
 193         RC5T583_IRQ_WALE,
 194
 195         RC5T583_IRQ_AIN1L,
 196         RC5T583_IRQ_AIN2L,
 197         RC5T583_IRQ_AIN3L,
 198         RC5T583_IRQ_VBATL,
 199         RC5T583_IRQ_VIN3L,
 200         RC5T583_IRQ_VIN8L,
 201         RC5T583_IRQ_AIN1H,
 202         RC5T583_IRQ_AIN2H,
 203         RC5T583_IRQ_AIN3H,
 204         RC5T583_IRQ_VBATH,
 205         RC5T583_IRQ_VIN3H,
 206         RC5T583_IRQ_VIN8H,
 207         RC5T583_IRQ_ADCEND,
 208
 209         RC5T583_IRQ_GPIO0,
 210         RC5T583_IRQ_GPIO1,
 211         RC5T583_IRQ_GPIO2,
 212         RC5T583_IRQ_GPIO3,
 213         RC5T583_IRQ_GPIO4,
 214         RC5T583_IRQ_GPIO5,
 215         RC5T583_IRQ_GPIO6,
 216         RC5T583_IRQ_GPIO7,
 217
 218         /* Should be last entry */
 219         RC5T583_MAX_IRQS,
 220 };
 221
 222 /* Ricoh583 gpio definitions */
 223 enum {
 224         RC5T583_GPIO0,
 225         RC5T583_GPIO1,
 226         RC5T583_GPIO2,
 227         RC5T583_GPIO3,
 228         RC5T583_GPIO4,
 229         RC5T583_GPIO5,
 230         RC5T583_GPIO6,
 231         RC5T583_GPIO7,
 232
 233         /* Should be last entry */
 234         RC5T583_MAX_GPIO,
 235 };
 236
 237 enum {
 238         RC5T583_DS_NONE,
 239         RC5T583_DS_DC0,
 240         RC5T583_DS_DC1,
 241         RC5T583_DS_DC2,
 242         RC5T583_DS_DC3,
 243         RC5T583_DS_LDO0,
 244         RC5T583_DS_LDO1,
 245         RC5T583_DS_LDO2,
 246         RC5T583_DS_LDO3,
 247         RC5T583_DS_LDO4,
 248         RC5T583_DS_LDO5,
 249         RC5T583_DS_LDO6,
 250         RC5T583_DS_LDO7,
 251         RC5T583_DS_LDO8,
 252         RC5T583_DS_LDO9,
 253         RC5T583_DS_PSO0,
 254         RC5T583_DS_PSO1,
 255         RC5T583_DS_PSO2,
 256         RC5T583_DS_PSO3,
 257         RC5T583_DS_PSO4,
 258         RC5T583_DS_PSO5,
 259         RC5T583_DS_PSO6,
 260         RC5T583_DS_PSO7,
 261
 262         /* Should be last entry */
 263         RC5T583_DS_MAX,
 264 };
 265
 266 /*
 267  * Ricoh pmic RC5T583 supports sleep through two external controls.
 268  * The output of gpios and regulator can be enable/disable through
 269  * this external signals.
 270  */
 271 enum {
 272         RC5T583_EXT_PWRREQ1_CONTROL = 0x1,
 273         RC5T583_EXT_PWRREQ2_CONTROL = 0x2,
 274 };
 275
 276 enum {
 277         RC5T583_REGULATOR_DC0,
 278         RC5T583_REGULATOR_DC1,
 279         RC5T583_REGULATOR_DC2,
 280         RC5T583_REGULATOR_DC3,
 281         RC5T583_REGULATOR_LDO0,
 282         RC5T583_REGULATOR_LDO1,
 283         RC5T583_REGULATOR_LDO2,
 284         RC5T583_REGULATOR_LDO3,
 285         RC5T583_REGULATOR_LDO4,
 286         RC5T583_REGULATOR_LDO5,
 287         RC5T583_REGULATOR_LDO6,
 288         RC5T583_REGULATOR_LDO7,
 289         RC5T583_REGULATOR_LDO8,
 290         RC5T583_REGULATOR_LDO9,
 291
 292         /* Should be last entry */
 293         RC5T583_REGULATOR_MAX,
 294 };
 295
 296 struct rc5t583 {
 297         struct device   *dev;
 298         struct regmap   *regmap;
 299         int             chip_irq;
 300         int             irq_base;
 301         struct mutex    irq_lock;
 302         unsigned long   group_irq_en[MAX_MAIN_INTERRUPT];
 303
 304         /* For main interrupt bits in INTC */
 305         uint8_t         intc_inten_reg;
 306
 307         /* For group interrupt bits and address */
 308         uint8_t         irq_en_reg[RC5T583_MAX_INTERRUPT_EN_REGS];
 309
 310         /* For gpio edge */
 311         uint8_t         gpedge_reg[RC5T583_MAX_GPEDGE_REG];
 312 };
 313
 314 /*
 315  * rc5t583_platform_data: Platform data for ricoh rc5t583 pmu.
 316  * The board specific data is provided through this structure.
 317  * @irq_base: Irq base number on which this device registers their interrupts.
 318  * @gpio_base: GPIO base from which gpio of this device will start.
 319  * @enable_shutdown: Enable shutdown through the input pin "shutdown".
 320  * @regulator_deepsleep_slot: The slot number on which device goes to sleep
 321  *              in device sleep mode.
 322  * @regulator_ext_pwr_control: External power request regulator control. The
 323  *              regulator output enable/disable is controlled by the external
 324  *              power request input state.
 325  * @reg_init_data: Regulator init data.
 326  */
 327
 328 struct rc5t583_platform_data {
 329         int             irq_base;
 330         int             gpio_base;
 331         bool            enable_shutdown;
 332         int             regulator_deepsleep_slot[RC5T583_REGULATOR_MAX];
 333         unsigned long   regulator_ext_pwr_control[RC5T583_REGULATOR_MAX];
 334         struct regulator_init_data *reg_init_data[RC5T583_REGULATOR_MAX];
 335 };
 336
 337 static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
 338 {
 339         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 340         return regmap_write(rc5t583->regmap, reg, val);
 341 }
 342
 343 static inline int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val)
 344 {
 345         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 346         unsigned int ival;
 347         int ret;
 348         ret = regmap_read(rc5t583->regmap, reg, &ival);
 349         if (!ret)
 350                 *val = (uint8_t)ival;
 351         return ret;
 352 }
 353
 354 static inline int rc5t583_set_bits(struct device *dev, unsigned int reg,
 355                         unsigned int bit_mask)
 356 {
 357         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 358         return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
 359 }
 360
 361 static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg,
 362                         unsigned int bit_mask)
 363 {
 364         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 365         return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
 366 }
 367
 368 static inline int rc5t583_update(struct device *dev, unsigned int reg,
 369                 unsigned int val, unsigned int mask)
 370 {
 371         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 372         return regmap_update_bits(rc5t583->regmap, reg, mask, val);
 373 }
 374
 375 int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id,
 376         int ext_pwr_req, int deepsleep_slot_nr);
 377 int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base);
 378 int rc5t583_irq_exit(struct rc5t583 *rc5t583);
 379
 380 #endif