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_MASK_REGS 9
  37
  38 /* Interrupt enable register */
  39 #define RC5T583_INT_EN_SYS1     0x19
  40 #define RC5T583_INT_EN_SYS2     0x1D
  41 #define RC5T583_INT_EN_DCDC     0x41
  42 #define RC5T583_INT_EN_RTC      0xED
  43 #define RC5T583_INT_EN_ADC1     0x90
  44 #define RC5T583_INT_EN_ADC2     0x91
  45 #define RC5T583_INT_EN_ADC3     0x92
  46
  47 /* Interrupt status registers (monitor regs in Ricoh)*/
  48 #define RC5T583_INTC_INTPOL     0xAD
  49 #define RC5T583_INTC_INTEN      0xAE
  50 #define RC5T583_INTC_INTMON     0xAF
  51
  52 #define RC5T583_INT_MON_GRP     0xAF
  53 #define RC5T583_INT_MON_SYS1    0x1B
  54 #define RC5T583_INT_MON_SYS2    0x1F
  55 #define RC5T583_INT_MON_DCDC    0x43
  56 #define RC5T583_INT_MON_RTC     0xEE
  57
  58 /* Interrupt clearing registers */
  59 #define RC5T583_INT_IR_SYS1     0x1A
  60 #define RC5T583_INT_IR_SYS2     0x1E
  61 #define RC5T583_INT_IR_DCDC     0x42
  62 #define RC5T583_INT_IR_RTC      0xEE
  63 #define RC5T583_INT_IR_ADCL     0x94
  64 #define RC5T583_INT_IR_ADCH     0x95
  65 #define RC5T583_INT_IR_ADCEND   0x96
  66 #define RC5T583_INT_IR_GPIOR    0xA9
  67 #define RC5T583_INT_IR_GPIOF    0xAA
  68
  69 /* Sleep sequence registers */
  70 #define RC5T583_SLPSEQ1         0x21
  71 #define RC5T583_SLPSEQ2         0x22
  72 #define RC5T583_SLPSEQ3         0x23
  73 #define RC5T583_SLPSEQ4         0x24
  74 #define RC5T583_SLPSEQ5         0x25
  75 #define RC5T583_SLPSEQ6         0x26
  76 #define RC5T583_SLPSEQ7         0x27
  77 #define RC5T583_SLPSEQ8         0x28
  78 #define RC5T583_SLPSEQ9         0x29
  79 #define RC5T583_SLPSEQ10        0x2A
  80 #define RC5T583_SLPSEQ11        0x2B
  81
  82 /* Regulator registers */
  83 #define RC5T583_REG_DC0CTL      0x30
  84 #define RC5T583_REG_DC0DAC      0x31
  85 #define RC5T583_REG_DC0LATCTL   0x32
  86 #define RC5T583_REG_SR0CTL      0x33
  87
  88 #define RC5T583_REG_DC1CTL      0x34
  89 #define RC5T583_REG_DC1DAC      0x35
  90 #define RC5T583_REG_DC1LATCTL   0x36
  91 #define RC5T583_REG_SR1CTL      0x37
  92
  93 #define RC5T583_REG_DC2CTL      0x38
  94 #define RC5T583_REG_DC2DAC      0x39
  95 #define RC5T583_REG_DC2LATCTL   0x3A
  96 #define RC5T583_REG_SR2CTL      0x3B
  97
  98 #define RC5T583_REG_DC3CTL      0x3C
  99 #define RC5T583_REG_DC3DAC      0x3D
 100 #define RC5T583_REG_DC3LATCTL   0x3E
 101 #define RC5T583_REG_SR3CTL      0x3F
 102
 103
 104 #define RC5T583_REG_LDOEN1      0x50
 105 #define RC5T583_REG_LDOEN2      0x51
 106 #define RC5T583_REG_LDODIS1     0x52
 107 #define RC5T583_REG_LDODIS2     0x53
 108
 109 #define RC5T583_REG_LDO0DAC     0x54
 110 #define RC5T583_REG_LDO1DAC     0x55
 111 #define RC5T583_REG_LDO2DAC     0x56
 112 #define RC5T583_REG_LDO3DAC     0x57
 113 #define RC5T583_REG_LDO4DAC     0x58
 114 #define RC5T583_REG_LDO5DAC     0x59
 115 #define RC5T583_REG_LDO6DAC     0x5A
 116 #define RC5T583_REG_LDO7DAC     0x5B
 117 #define RC5T583_REG_LDO8DAC     0x5C
 118 #define RC5T583_REG_LDO9DAC     0x5D
 119
 120 #define RC5T583_REG_DC0DAC_DS   0x60
 121 #define RC5T583_REG_DC1DAC_DS   0x61
 122 #define RC5T583_REG_DC2DAC_DS   0x62
 123 #define RC5T583_REG_DC3DAC_DS   0x63
 124
 125 #define RC5T583_REG_LDO0DAC_DS  0x64
 126 #define RC5T583_REG_LDO1DAC_DS  0x65
 127 #define RC5T583_REG_LDO2DAC_DS  0x66
 128 #define RC5T583_REG_LDO3DAC_DS  0x67
 129 #define RC5T583_REG_LDO4DAC_DS  0x68
 130 #define RC5T583_REG_LDO5DAC_DS  0x69
 131 #define RC5T583_REG_LDO6DAC_DS  0x6A
 132 #define RC5T583_REG_LDO7DAC_DS  0x6B
 133 #define RC5T583_REG_LDO8DAC_DS  0x6C
 134 #define RC5T583_REG_LDO9DAC_DS  0x6D
 135
 136 /* GPIO register base address */
 137 #define RC5T583_GPIO_IOSEL      0xA0
 138 #define RC5T583_GPIO_PDEN       0xA1
 139 #define RC5T583_GPIO_IOOUT      0xA2
 140 #define RC5T583_GPIO_PGSEL      0xA3
 141 #define RC5T583_GPIO_GPINV      0xA4
 142 #define RC5T583_GPIO_GPDEB      0xA5
 143 #define RC5T583_GPIO_GPEDGE1    0xA6
 144 #define RC5T583_GPIO_GPEDGE2    0xA7
 145 #define RC5T583_GPIO_EN_INT     0xA8
 146 #define RC5T583_GPIO_MON_IOIN   0xAB
 147 #define RC5T583_GPIO_GPOFUNC    0xAC
 148
 149 /* RICOH_RC5T583 IRQ definitions */
 150 enum {
 151         RC5T583_IRQ_ONKEY,
 152         RC5T583_IRQ_ACOK,
 153         RC5T583_IRQ_LIDOPEN,
 154         RC5T583_IRQ_PREOT,
 155         RC5T583_IRQ_CLKSTP,
 156         RC5T583_IRQ_ONKEY_OFF,
 157         RC5T583_IRQ_WD,
 158         RC5T583_IRQ_EN_PWRREQ1,
 159         RC5T583_IRQ_EN_PWRREQ2,
 160         RC5T583_IRQ_PRE_VINDET,
 161
 162         RC5T583_IRQ_DC0LIM,
 163         RC5T583_IRQ_DC1LIM,
 164         RC5T583_IRQ_DC2LIM,
 165         RC5T583_IRQ_DC3LIM,
 166
 167         RC5T583_IRQ_CTC,
 168         RC5T583_IRQ_YALE,
 169         RC5T583_IRQ_DALE,
 170         RC5T583_IRQ_WALE,
 171
 172         RC5T583_IRQ_AIN1L,
 173         RC5T583_IRQ_AIN2L,
 174         RC5T583_IRQ_AIN3L,
 175         RC5T583_IRQ_VBATL,
 176         RC5T583_IRQ_VIN3L,
 177         RC5T583_IRQ_VIN8L,
 178         RC5T583_IRQ_AIN1H,
 179         RC5T583_IRQ_AIN2H,
 180         RC5T583_IRQ_AIN3H,
 181         RC5T583_IRQ_VBATH,
 182         RC5T583_IRQ_VIN3H,
 183         RC5T583_IRQ_VIN8H,
 184         RC5T583_IRQ_ADCEND,
 185
 186         RC5T583_IRQ_GPIO0,
 187         RC5T583_IRQ_GPIO1,
 188         RC5T583_IRQ_GPIO2,
 189         RC5T583_IRQ_GPIO3,
 190         RC5T583_IRQ_GPIO4,
 191         RC5T583_IRQ_GPIO5,
 192         RC5T583_IRQ_GPIO6,
 193         RC5T583_IRQ_GPIO7,
 194
 195         /* Should be last entry */
 196         RC5T583_MAX_IRQS,
 197 };
 198
 199 /* Ricoh583 gpio definitions */
 200 enum {
 201         RC5T583_GPIO0,
 202         RC5T583_GPIO1,
 203         RC5T583_GPIO2,
 204         RC5T583_GPIO3,
 205         RC5T583_GPIO4,
 206         RC5T583_GPIO5,
 207         RC5T583_GPIO6,
 208         RC5T583_GPIO7,
 209
 210         /* Should be last entry */
 211         RC5T583_MAX_GPIO,
 212 };
 213
 214 enum {
 215         RC5T583_DS_NONE,
 216         RC5T583_DS_DC0,
 217         RC5T583_DS_DC1,
 218         RC5T583_DS_DC2,
 219         RC5T583_DS_DC3,
 220         RC5T583_DS_LDO0,
 221         RC5T583_DS_LDO1,
 222         RC5T583_DS_LDO2,
 223         RC5T583_DS_LDO3,
 224         RC5T583_DS_LDO4,
 225         RC5T583_DS_LDO5,
 226         RC5T583_DS_LDO6,
 227         RC5T583_DS_LDO7,
 228         RC5T583_DS_LDO8,
 229         RC5T583_DS_LDO9,
 230         RC5T583_DS_PSO0,
 231         RC5T583_DS_PSO1,
 232         RC5T583_DS_PSO2,
 233         RC5T583_DS_PSO3,
 234         RC5T583_DS_PSO4,
 235         RC5T583_DS_PSO5,
 236         RC5T583_DS_PSO6,
 237         RC5T583_DS_PSO7,
 238
 239         /* Should be last entry */
 240         RC5T583_DS_MAX,
 241 };
 242
 243 /*
 244  * Ricoh pmic RC5T583 supports sleep through two external controls.
 245  * The output of gpios and regulator can be enable/disable through
 246  * this external signals.
 247  */
 248 enum {
 249         RC5T583_EXT_PWRREQ1_CONTROL = 0x1,
 250         RC5T583_EXT_PWRREQ2_CONTROL = 0x2,
 251 };
 252
 253 struct rc5t583 {
 254         struct device   *dev;
 255         struct regmap   *regmap;
 256         int             chip_irq;
 257         int             irq_base;
 258         struct mutex    irq_lock;
 259         unsigned long   group_irq_en[MAX_MAIN_INTERRUPT];
 260
 261         /* For main interrupt bits in INTC */
 262         uint8_t         intc_inten_reg;
 263
 264         /* For group interrupt bits and address */
 265         uint8_t         irq_en_reg[RC5T583_MAX_INTERRUPT_MASK_REGS];
 266
 267         /* For gpio edge */
 268         uint8_t         gpedge_reg[RC5T583_MAX_GPEDGE_REG];
 269 };
 270
 271 /*
 272  * rc5t583_platform_data: Platform data for ricoh rc5t583 pmu.
 273  * The board specific data is provided through this structure.
 274  * @irq_base: Irq base number on which this device registers their interrupts.
 275  * @enable_shutdown: Enable shutdown through the input pin "shutdown".
 276  */
 277
 278 struct rc5t583_platform_data {
 279         int             irq_base;
 280         bool            enable_shutdown;
 281 };
 282
 283 static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
 284 {
 285         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 286         return regmap_write(rc5t583->regmap, reg, val);
 287 }
 288
 289 static inline int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val)
 290 {
 291         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 292         unsigned int ival;
 293         int ret;
 294         ret = regmap_read(rc5t583->regmap, reg, &ival);
 295         if (!ret)
 296                 *val = (uint8_t)ival;
 297         return ret;
 298 }
 299
 300 static inline int rc5t583_set_bits(struct device *dev, unsigned int reg,
 301                         unsigned int bit_mask)
 302 {
 303         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 304         return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
 305 }
 306
 307 static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg,
 308                         unsigned int bit_mask)
 309 {
 310         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 311         return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
 312 }
 313
 314 static inline int rc5t583_update(struct device *dev, unsigned int reg,
 315                 unsigned int val, unsigned int mask)
 316 {
 317         struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 318         return regmap_update_bits(rc5t583->regmap, reg, mask, val);
 319 }
 320
 321 int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id,
 322         int ext_pwr_req, int deepsleep_slot_nr);
 323 int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base);
 324 int rc5t583_irq_exit(struct rc5t583 *rc5t583);
 325
 326 #endif