drivers/input/keyboard/adp5589-keys.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Description:  keypad driver for ADP5589, ADP5585
   4  *               I2C QWERTY Keypad and IO Expander
   5  * Bugs: Enter bugs at http://blackfin.uclinux.org/
   6  *
   7  * Copyright (C) 2010-2011 Analog Devices Inc.
   8  */
   9
  10 #include <linux/bitops.h>
  11 #include <linux/module.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/irq.h>
  14 #include <linux/workqueue.h>
  15 #include <linux/errno.h>
  16 #include <linux/pm.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/input.h>
  19 #include <linux/i2c.h>
  20 #include <linux/gpio.h>
  21 #include <linux/slab.h>
  22
  23 #include <linux/input/adp5589.h>
  24
  25 /* ADP5589/ADP5585 Common Registers */
  26 #define ADP5589_5_ID                    0x00
  27 #define ADP5589_5_INT_STATUS            0x01
  28 #define ADP5589_5_STATUS                0x02
  29 #define ADP5589_5_FIFO_1                0x03
  30 #define ADP5589_5_FIFO_2                0x04
  31 #define ADP5589_5_FIFO_3                0x05
  32 #define ADP5589_5_FIFO_4                0x06
  33 #define ADP5589_5_FIFO_5                0x07
  34 #define ADP5589_5_FIFO_6                0x08
  35 #define ADP5589_5_FIFO_7                0x09
  36 #define ADP5589_5_FIFO_8                0x0A
  37 #define ADP5589_5_FIFO_9                0x0B
  38 #define ADP5589_5_FIFO_10               0x0C
  39 #define ADP5589_5_FIFO_11               0x0D
  40 #define ADP5589_5_FIFO_12               0x0E
  41 #define ADP5589_5_FIFO_13               0x0F
  42 #define ADP5589_5_FIFO_14               0x10
  43 #define ADP5589_5_FIFO_15               0x11
  44 #define ADP5589_5_FIFO_16               0x12
  45 #define ADP5589_5_GPI_INT_STAT_A        0x13
  46 #define ADP5589_5_GPI_INT_STAT_B        0x14
  47
  48 /* ADP5589 Registers */
  49 #define ADP5589_GPI_INT_STAT_C          0x15
  50 #define ADP5589_GPI_STATUS_A            0x16
  51 #define ADP5589_GPI_STATUS_B            0x17
  52 #define ADP5589_GPI_STATUS_C            0x18
  53 #define ADP5589_RPULL_CONFIG_A          0x19
  54 #define ADP5589_RPULL_CONFIG_B          0x1A
  55 #define ADP5589_RPULL_CONFIG_C          0x1B
  56 #define ADP5589_RPULL_CONFIG_D          0x1C
  57 #define ADP5589_RPULL_CONFIG_E          0x1D
  58 #define ADP5589_GPI_INT_LEVEL_A         0x1E
  59 #define ADP5589_GPI_INT_LEVEL_B         0x1F
  60 #define ADP5589_GPI_INT_LEVEL_C         0x20
  61 #define ADP5589_GPI_EVENT_EN_A          0x21
  62 #define ADP5589_GPI_EVENT_EN_B          0x22
  63 #define ADP5589_GPI_EVENT_EN_C          0x23
  64 #define ADP5589_GPI_INTERRUPT_EN_A      0x24
  65 #define ADP5589_GPI_INTERRUPT_EN_B      0x25
  66 #define ADP5589_GPI_INTERRUPT_EN_C      0x26
  67 #define ADP5589_DEBOUNCE_DIS_A          0x27
  68 #define ADP5589_DEBOUNCE_DIS_B          0x28
  69 #define ADP5589_DEBOUNCE_DIS_C          0x29
  70 #define ADP5589_GPO_DATA_OUT_A          0x2A
  71 #define ADP5589_GPO_DATA_OUT_B          0x2B
  72 #define ADP5589_GPO_DATA_OUT_C          0x2C
  73 #define ADP5589_GPO_OUT_MODE_A          0x2D
  74 #define ADP5589_GPO_OUT_MODE_B          0x2E
  75 #define ADP5589_GPO_OUT_MODE_C          0x2F
  76 #define ADP5589_GPIO_DIRECTION_A        0x30
  77 #define ADP5589_GPIO_DIRECTION_B        0x31
  78 #define ADP5589_GPIO_DIRECTION_C        0x32
  79 #define ADP5589_UNLOCK1                 0x33
  80 #define ADP5589_UNLOCK2                 0x34
  81 #define ADP5589_EXT_LOCK_EVENT          0x35
  82 #define ADP5589_UNLOCK_TIMERS           0x36
  83 #define ADP5589_LOCK_CFG                0x37
  84 #define ADP5589_RESET1_EVENT_A          0x38
  85 #define ADP5589_RESET1_EVENT_B          0x39
  86 #define ADP5589_RESET1_EVENT_C          0x3A
  87 #define ADP5589_RESET2_EVENT_A          0x3B
  88 #define ADP5589_RESET2_EVENT_B          0x3C
  89 #define ADP5589_RESET_CFG               0x3D
  90 #define ADP5589_PWM_OFFT_LOW            0x3E
  91 #define ADP5589_PWM_OFFT_HIGH           0x3F
  92 #define ADP5589_PWM_ONT_LOW             0x40
  93 #define ADP5589_PWM_ONT_HIGH            0x41
  94 #define ADP5589_PWM_CFG                 0x42
  95 #define ADP5589_CLOCK_DIV_CFG           0x43
  96 #define ADP5589_LOGIC_1_CFG             0x44
  97 #define ADP5589_LOGIC_2_CFG             0x45
  98 #define ADP5589_LOGIC_FF_CFG            0x46
  99 #define ADP5589_LOGIC_INT_EVENT_EN      0x47
 100 #define ADP5589_POLL_PTIME_CFG          0x48
 101 #define ADP5589_PIN_CONFIG_A            0x49
 102 #define ADP5589_PIN_CONFIG_B            0x4A
 103 #define ADP5589_PIN_CONFIG_C            0x4B
 104 #define ADP5589_PIN_CONFIG_D            0x4C
 105 #define ADP5589_GENERAL_CFG             0x4D
 106 #define ADP5589_INT_EN                  0x4E
 107
 108 /* ADP5585 Registers */
 109 #define ADP5585_GPI_STATUS_A            0x15
 110 #define ADP5585_GPI_STATUS_B            0x16
 111 #define ADP5585_RPULL_CONFIG_A          0x17
 112 #define ADP5585_RPULL_CONFIG_B          0x18
 113 #define ADP5585_RPULL_CONFIG_C          0x19
 114 #define ADP5585_RPULL_CONFIG_D          0x1A
 115 #define ADP5585_GPI_INT_LEVEL_A         0x1B
 116 #define ADP5585_GPI_INT_LEVEL_B         0x1C
 117 #define ADP5585_GPI_EVENT_EN_A          0x1D
 118 #define ADP5585_GPI_EVENT_EN_B          0x1E
 119 #define ADP5585_GPI_INTERRUPT_EN_A      0x1F
 120 #define ADP5585_GPI_INTERRUPT_EN_B      0x20
 121 #define ADP5585_DEBOUNCE_DIS_A          0x21
 122 #define ADP5585_DEBOUNCE_DIS_B          0x22
 123 #define ADP5585_GPO_DATA_OUT_A          0x23
 124 #define ADP5585_GPO_DATA_OUT_B          0x24
 125 #define ADP5585_GPO_OUT_MODE_A          0x25
 126 #define ADP5585_GPO_OUT_MODE_B          0x26
 127 #define ADP5585_GPIO_DIRECTION_A        0x27
 128 #define ADP5585_GPIO_DIRECTION_B        0x28
 129 #define ADP5585_RESET1_EVENT_A          0x29
 130 #define ADP5585_RESET1_EVENT_B          0x2A
 131 #define ADP5585_RESET1_EVENT_C          0x2B
 132 #define ADP5585_RESET2_EVENT_A          0x2C
 133 #define ADP5585_RESET2_EVENT_B          0x2D
 134 #define ADP5585_RESET_CFG               0x2E
 135 #define ADP5585_PWM_OFFT_LOW            0x2F
 136 #define ADP5585_PWM_OFFT_HIGH           0x30
 137 #define ADP5585_PWM_ONT_LOW             0x31
 138 #define ADP5585_PWM_ONT_HIGH            0x32
 139 #define ADP5585_PWM_CFG                 0x33
 140 #define ADP5585_LOGIC_CFG               0x34
 141 #define ADP5585_LOGIC_FF_CFG            0x35
 142 #define ADP5585_LOGIC_INT_EVENT_EN      0x36
 143 #define ADP5585_POLL_PTIME_CFG          0x37
 144 #define ADP5585_PIN_CONFIG_A            0x38
 145 #define ADP5585_PIN_CONFIG_B            0x39
 146 #define ADP5585_PIN_CONFIG_D            0x3A
 147 #define ADP5585_GENERAL_CFG             0x3B
 148 #define ADP5585_INT_EN                  0x3C
 149
 150 /* ID Register */
 151 #define ADP5589_5_DEVICE_ID_MASK        0xF
 152 #define ADP5589_5_MAN_ID_MASK           0xF
 153 #define ADP5589_5_MAN_ID_SHIFT          4
 154 #define ADP5589_5_MAN_ID                0x02
 155
 156 /* GENERAL_CFG Register */
 157 #define OSC_EN          BIT(7)
 158 #define CORE_CLK(x)     (((x) & 0x3) << 5)
 159 #define LCK_TRK_LOGIC   BIT(4)          /* ADP5589 only */
 160 #define LCK_TRK_GPI     BIT(3)          /* ADP5589 only */
 161 #define INT_CFG         BIT(1)
 162 #define RST_CFG         BIT(0)
 163
 164 /* INT_EN Register */
 165 #define LOGIC2_IEN      BIT(5)          /* ADP5589 only */
 166 #define LOGIC1_IEN      BIT(4)
 167 #define LOCK_IEN        BIT(3)          /* ADP5589 only */
 168 #define OVRFLOW_IEN     BIT(2)
 169 #define GPI_IEN         BIT(1)
 170 #define EVENT_IEN       BIT(0)
 171
 172 /* Interrupt Status Register */
 173 #define LOGIC2_INT      BIT(5)          /* ADP5589 only */
 174 #define LOGIC1_INT      BIT(4)
 175 #define LOCK_INT        BIT(3)          /* ADP5589 only */
 176 #define OVRFLOW_INT     BIT(2)
 177 #define GPI_INT         BIT(1)
 178 #define EVENT_INT       BIT(0)
 179
 180 /* STATUS Register */
 181 #define LOGIC2_STAT     BIT(7)          /* ADP5589 only */
 182 #define LOGIC1_STAT     BIT(6)
 183 #define LOCK_STAT       BIT(5)          /* ADP5589 only */
 184 #define KEC             0x1F
 185
 186 /* PIN_CONFIG_D Register */
 187 #define C4_EXTEND_CFG   BIT(6)          /* RESET2 */
 188 #define R4_EXTEND_CFG   BIT(5)          /* RESET1 */
 189
 190 /* LOCK_CFG */
 191 #define LOCK_EN         BIT(0)
 192
 193 #define PTIME_MASK      0x3
 194 #define LTIME_MASK      0x3             /* ADP5589 only */
 195
 196 /* Key Event Register xy */
 197 #define KEY_EV_PRESSED  BIT(7)
 198 #define KEY_EV_MASK     0x7F
 199
 200 #define KEYP_MAX_EVENT          16
 201 #define ADP5589_MAXGPIO         19
 202 #define ADP5585_MAXGPIO         11 /* 10 on the ADP5585-01, 11 on ADP5585-02 */
 203
 204 enum {
 205         ADP5589,
 206         ADP5585_01,
 207         ADP5585_02
 208 };
 209
 210 struct adp_constants {
 211         u8 maxgpio;
 212         u8 keymapsize;
 213         u8 gpi_pin_row_base;
 214         u8 gpi_pin_row_end;
 215         u8 gpi_pin_col_base;
 216         u8 gpi_pin_base;
 217         u8 gpi_pin_end;
 218         u8 gpimapsize_max;
 219         u8 max_row_num;
 220         u8 max_col_num;
 221         u8 row_mask;
 222         u8 col_mask;
 223         u8 col_shift;
 224         u8 c4_extend_cfg;
 225         u8 (*bank) (u8 offset);
 226         u8 (*bit) (u8 offset);
 227         u8 (*reg) (u8 reg);
 228 };
 229
 230 struct adp5589_kpad {
 231         struct i2c_client *client;
 232         struct input_dev *input;
 233         const struct adp_constants *var;
 234         unsigned short keycode[ADP5589_KEYMAPSIZE];
 235         const struct adp5589_gpi_map *gpimap;
 236         unsigned short gpimapsize;
 237         unsigned extend_cfg;
 238         bool is_adp5585;
 239         bool support_row5;
 240 #ifdef CONFIG_GPIOLIB
 241         unsigned char gpiomap[ADP5589_MAXGPIO];
 242         struct gpio_chip gc;
 243         struct mutex gpio_lock; /* Protect cached dir, dat_out */
 244         u8 dat_out[3];
 245         u8 dir[3];
 246 #endif
 247 };
 248
 249 /*
 250  *  ADP5589 / ADP5585 derivative / variant handling
 251  */
 252
 253
 254 /* ADP5589 */
 255
 256 static unsigned char adp5589_bank(unsigned char offset)
 257 {
 258         return offset >> 3;
 259 }
 260
 261 static unsigned char adp5589_bit(unsigned char offset)
 262 {
 263         return 1u << (offset & 0x7);
 264 }
 265
 266 static unsigned char adp5589_reg(unsigned char reg)
 267 {
 268         return reg;
 269 }
 270
 271 static const struct adp_constants const_adp5589 = {
 272         .maxgpio                = ADP5589_MAXGPIO,
 273         .keymapsize             = ADP5589_KEYMAPSIZE,
 274         .gpi_pin_row_base       = ADP5589_GPI_PIN_ROW_BASE,
 275         .gpi_pin_row_end        = ADP5589_GPI_PIN_ROW_END,
 276         .gpi_pin_col_base       = ADP5589_GPI_PIN_COL_BASE,
 277         .gpi_pin_base           = ADP5589_GPI_PIN_BASE,
 278         .gpi_pin_end            = ADP5589_GPI_PIN_END,
 279         .gpimapsize_max         = ADP5589_GPIMAPSIZE_MAX,
 280         .c4_extend_cfg          = 12,
 281         .max_row_num            = ADP5589_MAX_ROW_NUM,
 282         .max_col_num            = ADP5589_MAX_COL_NUM,
 283         .row_mask               = ADP5589_ROW_MASK,
 284         .col_mask               = ADP5589_COL_MASK,
 285         .col_shift              = ADP5589_COL_SHIFT,
 286         .bank                   = adp5589_bank,
 287         .bit                    = adp5589_bit,
 288         .reg                    = adp5589_reg,
 289 };
 290
 291 /* ADP5585 */
 292
 293 static unsigned char adp5585_bank(unsigned char offset)
 294 {
 295         return offset > ADP5585_MAX_ROW_NUM;
 296 }
 297
 298 static unsigned char adp5585_bit(unsigned char offset)
 299 {
 300         return (offset > ADP5585_MAX_ROW_NUM) ?
 301                 1u << (offset - ADP5585_COL_SHIFT) : 1u << offset;
 302 }
 303
 304 static const unsigned char adp5585_reg_lut[] = {
 305         [ADP5589_GPI_STATUS_A]          = ADP5585_GPI_STATUS_A,
 306         [ADP5589_GPI_STATUS_B]          = ADP5585_GPI_STATUS_B,
 307         [ADP5589_RPULL_CONFIG_A]        = ADP5585_RPULL_CONFIG_A,
 308         [ADP5589_RPULL_CONFIG_B]        = ADP5585_RPULL_CONFIG_B,
 309         [ADP5589_RPULL_CONFIG_C]        = ADP5585_RPULL_CONFIG_C,
 310         [ADP5589_RPULL_CONFIG_D]        = ADP5585_RPULL_CONFIG_D,
 311         [ADP5589_GPI_INT_LEVEL_A]       = ADP5585_GPI_INT_LEVEL_A,
 312         [ADP5589_GPI_INT_LEVEL_B]       = ADP5585_GPI_INT_LEVEL_B,
 313         [ADP5589_GPI_EVENT_EN_A]        = ADP5585_GPI_EVENT_EN_A,
 314         [ADP5589_GPI_EVENT_EN_B]        = ADP5585_GPI_EVENT_EN_B,
 315         [ADP5589_GPI_INTERRUPT_EN_A]    = ADP5585_GPI_INTERRUPT_EN_A,
 316         [ADP5589_GPI_INTERRUPT_EN_B]    = ADP5585_GPI_INTERRUPT_EN_B,
 317         [ADP5589_DEBOUNCE_DIS_A]        = ADP5585_DEBOUNCE_DIS_A,
 318         [ADP5589_DEBOUNCE_DIS_B]        = ADP5585_DEBOUNCE_DIS_B,
 319         [ADP5589_GPO_DATA_OUT_A]        = ADP5585_GPO_DATA_OUT_A,
 320         [ADP5589_GPO_DATA_OUT_B]        = ADP5585_GPO_DATA_OUT_B,
 321         [ADP5589_GPO_OUT_MODE_A]        = ADP5585_GPO_OUT_MODE_A,
 322         [ADP5589_GPO_OUT_MODE_B]        = ADP5585_GPO_OUT_MODE_B,
 323         [ADP5589_GPIO_DIRECTION_A]      = ADP5585_GPIO_DIRECTION_A,
 324         [ADP5589_GPIO_DIRECTION_B]      = ADP5585_GPIO_DIRECTION_B,
 325         [ADP5589_RESET1_EVENT_A]        = ADP5585_RESET1_EVENT_A,
 326         [ADP5589_RESET1_EVENT_B]        = ADP5585_RESET1_EVENT_B,
 327         [ADP5589_RESET1_EVENT_C]        = ADP5585_RESET1_EVENT_C,
 328         [ADP5589_RESET2_EVENT_A]        = ADP5585_RESET2_EVENT_A,
 329         [ADP5589_RESET2_EVENT_B]        = ADP5585_RESET2_EVENT_B,
 330         [ADP5589_RESET_CFG]             = ADP5585_RESET_CFG,
 331         [ADP5589_PWM_OFFT_LOW]          = ADP5585_PWM_OFFT_LOW,
 332         [ADP5589_PWM_OFFT_HIGH]         = ADP5585_PWM_OFFT_HIGH,
 333         [ADP5589_PWM_ONT_LOW]           = ADP5585_PWM_ONT_LOW,
 334         [ADP5589_PWM_ONT_HIGH]          = ADP5585_PWM_ONT_HIGH,
 335         [ADP5589_PWM_CFG]               = ADP5585_PWM_CFG,
 336         [ADP5589_LOGIC_1_CFG]           = ADP5585_LOGIC_CFG,
 337         [ADP5589_LOGIC_FF_CFG]          = ADP5585_LOGIC_FF_CFG,
 338         [ADP5589_LOGIC_INT_EVENT_EN]    = ADP5585_LOGIC_INT_EVENT_EN,
 339         [ADP5589_POLL_PTIME_CFG]        = ADP5585_POLL_PTIME_CFG,
 340         [ADP5589_PIN_CONFIG_A]          = ADP5585_PIN_CONFIG_A,
 341         [ADP5589_PIN_CONFIG_B]          = ADP5585_PIN_CONFIG_B,
 342         [ADP5589_PIN_CONFIG_D]          = ADP5585_PIN_CONFIG_D,
 343         [ADP5589_GENERAL_CFG]           = ADP5585_GENERAL_CFG,
 344         [ADP5589_INT_EN]                = ADP5585_INT_EN,
 345 };
 346
 347 static unsigned char adp5585_reg(unsigned char reg)
 348 {
 349         return adp5585_reg_lut[reg];
 350 }
 351
 352 static const struct adp_constants const_adp5585 = {
 353         .maxgpio                = ADP5585_MAXGPIO,
 354         .keymapsize             = ADP5585_KEYMAPSIZE,
 355         .gpi_pin_row_base       = ADP5585_GPI_PIN_ROW_BASE,
 356         .gpi_pin_row_end        = ADP5585_GPI_PIN_ROW_END,
 357         .gpi_pin_col_base       = ADP5585_GPI_PIN_COL_BASE,
 358         .gpi_pin_base           = ADP5585_GPI_PIN_BASE,
 359         .gpi_pin_end            = ADP5585_GPI_PIN_END,
 360         .gpimapsize_max         = ADP5585_GPIMAPSIZE_MAX,
 361         .c4_extend_cfg          = 10,
 362         .max_row_num            = ADP5585_MAX_ROW_NUM,
 363         .max_col_num            = ADP5585_MAX_COL_NUM,
 364         .row_mask               = ADP5585_ROW_MASK,
 365         .col_mask               = ADP5585_COL_MASK,
 366         .col_shift              = ADP5585_COL_SHIFT,
 367         .bank                   = adp5585_bank,
 368         .bit                    = adp5585_bit,
 369         .reg                    = adp5585_reg,
 370 };
 371
 372 static int adp5589_read(struct i2c_client *client, u8 reg)
 373 {
 374         int ret = i2c_smbus_read_byte_data(client, reg);
 375
 376         if (ret < 0)
 377                 dev_err(&client->dev, "Read Error\n");
 378
 379         return ret;
 380 }
 381
 382 static int adp5589_write(struct i2c_client *client, u8 reg, u8 val)
 383 {
 384         return i2c_smbus_write_byte_data(client, reg, val);
 385 }
 386
 387 #ifdef CONFIG_GPIOLIB
 388 static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off)
 389 {
 390         struct adp5589_kpad *kpad = gpiochip_get_data(chip);
 391         unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
 392         unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
 393
 394         return !!(adp5589_read(kpad->client,
 395                                kpad->var->reg(ADP5589_GPI_STATUS_A) + bank) &
 396                                bit);
 397 }
 398
 399 static void adp5589_gpio_set_value(struct gpio_chip *chip,
 400                                    unsigned off, int val)
 401 {
 402         struct adp5589_kpad *kpad = gpiochip_get_data(chip);
 403         unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
 404         unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
 405
 406         mutex_lock(&kpad->gpio_lock);
 407
 408         if (val)
 409                 kpad->dat_out[bank] |= bit;
 410         else
 411                 kpad->dat_out[bank] &= ~bit;
 412
 413         adp5589_write(kpad->client, kpad->var->reg(ADP5589_GPO_DATA_OUT_A) +
 414                       bank, kpad->dat_out[bank]);
 415
 416         mutex_unlock(&kpad->gpio_lock);
 417 }
 418
 419 static int adp5589_gpio_direction_input(struct gpio_chip *chip, unsigned off)
 420 {
 421         struct adp5589_kpad *kpad = gpiochip_get_data(chip);
 422         unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
 423         unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
 424         int ret;
 425
 426         mutex_lock(&kpad->gpio_lock);
 427
 428         kpad->dir[bank] &= ~bit;
 429         ret = adp5589_write(kpad->client,
 430                             kpad->var->reg(ADP5589_GPIO_DIRECTION_A) + bank,
 431                             kpad->dir[bank]);
 432
 433         mutex_unlock(&kpad->gpio_lock);
 434
 435         return ret;
 436 }
 437
 438 static int adp5589_gpio_direction_output(struct gpio_chip *chip,
 439                                          unsigned off, int val)
 440 {
 441         struct adp5589_kpad *kpad = gpiochip_get_data(chip);
 442         unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
 443         unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
 444         int ret;
 445
 446         mutex_lock(&kpad->gpio_lock);
 447
 448         kpad->dir[bank] |= bit;
 449
 450         if (val)
 451                 kpad->dat_out[bank] |= bit;
 452         else
 453                 kpad->dat_out[bank] &= ~bit;
 454
 455         ret = adp5589_write(kpad->client, kpad->var->reg(ADP5589_GPO_DATA_OUT_A)
 456                             + bank, kpad->dat_out[bank]);
 457         ret |= adp5589_write(kpad->client,
 458                              kpad->var->reg(ADP5589_GPIO_DIRECTION_A) + bank,
 459                              kpad->dir[bank]);
 460
 461         mutex_unlock(&kpad->gpio_lock);
 462
 463         return ret;
 464 }
 465
 466 static int adp5589_build_gpiomap(struct adp5589_kpad *kpad,
 467                                 const struct adp5589_kpad_platform_data *pdata)
 468 {
 469         bool pin_used[ADP5589_MAXGPIO];
 470         int n_unused = 0;
 471         int i;
 472
 473         memset(pin_used, false, sizeof(pin_used));
 474
 475         for (i = 0; i < kpad->var->maxgpio; i++)
 476                 if (pdata->keypad_en_mask & BIT(i))
 477                         pin_used[i] = true;
 478
 479         for (i = 0; i < kpad->gpimapsize; i++)
 480                 pin_used[kpad->gpimap[i].pin - kpad->var->gpi_pin_base] = true;
 481
 482         if (kpad->extend_cfg & R4_EXTEND_CFG)
 483                 pin_used[4] = true;
 484
 485         if (kpad->extend_cfg & C4_EXTEND_CFG)
 486                 pin_used[kpad->var->c4_extend_cfg] = true;
 487
 488         if (!kpad->support_row5)
 489                 pin_used[5] = true;
 490
 491         for (i = 0; i < kpad->var->maxgpio; i++)
 492                 if (!pin_used[i])
 493                         kpad->gpiomap[n_unused++] = i;
 494
 495         return n_unused;
 496 }
 497
 498 static int adp5589_gpio_add(struct adp5589_kpad *kpad)
 499 {
 500         struct device *dev = &kpad->client->dev;
 501         const struct adp5589_kpad_platform_data *pdata = dev_get_platdata(dev);
 502         const struct adp5589_gpio_platform_data *gpio_data = pdata->gpio_data;
 503         int i, error;
 504
 505         if (!gpio_data)
 506                 return 0;
 507
 508         kpad->gc.parent = dev;
 509         kpad->gc.ngpio = adp5589_build_gpiomap(kpad, pdata);
 510         if (kpad->gc.ngpio == 0) {
 511                 dev_info(dev, "No unused gpios left to export\n");
 512                 return 0;
 513         }
 514
 515         kpad->gc.direction_input = adp5589_gpio_direction_input;
 516         kpad->gc.direction_output = adp5589_gpio_direction_output;
 517         kpad->gc.get = adp5589_gpio_get_value;
 518         kpad->gc.set = adp5589_gpio_set_value;
 519         kpad->gc.can_sleep = 1;
 520
 521         kpad->gc.base = gpio_data->gpio_start;
 522         kpad->gc.label = kpad->client->name;
 523         kpad->gc.owner = THIS_MODULE;
 524
 525         mutex_init(&kpad->gpio_lock);
 526
 527         error = devm_gpiochip_add_data(dev, &kpad->gc, kpad);
 528         if (error)
 529                 return error;
 530
 531         for (i = 0; i <= kpad->var->bank(kpad->var->maxgpio); i++) {
 532                 kpad->dat_out[i] = adp5589_read(kpad->client, kpad->var->reg(
 533                                                 ADP5589_GPO_DATA_OUT_A) + i);
 534                 kpad->dir[i] = adp5589_read(kpad->client, kpad->var->reg(
 535                                             ADP5589_GPIO_DIRECTION_A) + i);
 536         }
 537
 538         return 0;
 539 }
 540 #else
 541 static inline int adp5589_gpio_add(struct adp5589_kpad *kpad)
 542 {
 543         return 0;
 544 }
 545 #endif
 546
 547 static void adp5589_report_switches(struct adp5589_kpad *kpad,
 548                                     int key, int key_val)
 549 {
 550         int i;
 551
 552         for (i = 0; i < kpad->gpimapsize; i++) {
 553                 if (key_val == kpad->gpimap[i].pin) {
 554                         input_report_switch(kpad->input,
 555                                             kpad->gpimap[i].sw_evt,
 556                                             key & KEY_EV_PRESSED);
 557                         break;
 558                 }
 559         }
 560 }
 561
 562 static void adp5589_report_events(struct adp5589_kpad *kpad, int ev_cnt)
 563 {
 564         int i;
 565
 566         for (i = 0; i < ev_cnt; i++) {
 567                 int key = adp5589_read(kpad->client, ADP5589_5_FIFO_1 + i);
 568                 int key_val = key & KEY_EV_MASK;
 569
 570                 if (key_val >= kpad->var->gpi_pin_base &&
 571                     key_val <= kpad->var->gpi_pin_end) {
 572                         adp5589_report_switches(kpad, key, key_val);
 573                 } else {
 574                         input_report_key(kpad->input,
 575                                          kpad->keycode[key_val - 1],
 576                                          key & KEY_EV_PRESSED);
 577                 }
 578         }
 579 }
 580
 581 static irqreturn_t adp5589_irq(int irq, void *handle)
 582 {
 583         struct adp5589_kpad *kpad = handle;
 584         struct i2c_client *client = kpad->client;
 585         int status, ev_cnt;
 586
 587         status = adp5589_read(client, ADP5589_5_INT_STATUS);
 588
 589         if (status & OVRFLOW_INT)       /* Unlikely and should never happen */
 590                 dev_err(&client->dev, "Event Overflow Error\n");
 591
 592         if (status & EVENT_INT) {
 593                 ev_cnt = adp5589_read(client, ADP5589_5_STATUS) & KEC;
 594                 if (ev_cnt) {
 595                         adp5589_report_events(kpad, ev_cnt);
 596                         input_sync(kpad->input);
 597                 }
 598         }
 599
 600         adp5589_write(client, ADP5589_5_INT_STATUS, status); /* Status is W1C */
 601
 602         return IRQ_HANDLED;
 603 }
 604
 605 static int adp5589_get_evcode(struct adp5589_kpad *kpad, unsigned short key)
 606 {
 607         int i;
 608
 609         for (i = 0; i < kpad->var->keymapsize; i++)
 610                 if (key == kpad->keycode[i])
 611                         return (i + 1) | KEY_EV_PRESSED;
 612
 613         dev_err(&kpad->client->dev, "RESET/UNLOCK key not in keycode map\n");
 614
 615         return -EINVAL;
 616 }
 617
 618 static int adp5589_setup(struct adp5589_kpad *kpad)
 619 {
 620         struct i2c_client *client = kpad->client;
 621         const struct adp5589_kpad_platform_data *pdata =
 622                 dev_get_platdata(&client->dev);
 623         u8 (*reg) (u8) = kpad->var->reg;
 624         unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0;
 625         unsigned char pull_mask = 0;
 626         int i, ret;
 627
 628         ret = adp5589_write(client, reg(ADP5589_PIN_CONFIG_A),
 629                             pdata->keypad_en_mask & kpad->var->row_mask);
 630         ret |= adp5589_write(client, reg(ADP5589_PIN_CONFIG_B),
 631                              (pdata->keypad_en_mask >> kpad->var->col_shift) &
 632                              kpad->var->col_mask);
 633
 634         if (!kpad->is_adp5585)
 635                 ret |= adp5589_write(client, ADP5589_PIN_CONFIG_C,
 636                                      (pdata->keypad_en_mask >> 16) & 0xFF);
 637
 638         if (!kpad->is_adp5585 && pdata->en_keylock) {
 639                 ret |= adp5589_write(client, ADP5589_UNLOCK1,
 640                                      pdata->unlock_key1);
 641                 ret |= adp5589_write(client, ADP5589_UNLOCK2,
 642                                      pdata->unlock_key2);
 643                 ret |= adp5589_write(client, ADP5589_UNLOCK_TIMERS,
 644                                      pdata->unlock_timer & LTIME_MASK);
 645                 ret |= adp5589_write(client, ADP5589_LOCK_CFG, LOCK_EN);
 646         }
 647
 648         for (i = 0; i < KEYP_MAX_EVENT; i++)
 649                 ret |= adp5589_read(client, ADP5589_5_FIFO_1 + i);
 650
 651         for (i = 0; i < pdata->gpimapsize; i++) {
 652                 unsigned short pin = pdata->gpimap[i].pin;
 653
 654                 if (pin <= kpad->var->gpi_pin_row_end) {
 655                         evt_mode1 |= BIT(pin - kpad->var->gpi_pin_row_base);
 656                 } else {
 657                         evt_mode2 |=
 658                             BIT(pin - kpad->var->gpi_pin_col_base) & 0xFF;
 659                         if (!kpad->is_adp5585)
 660                                 evt_mode3 |=
 661                                     BIT(pin - kpad->var->gpi_pin_col_base) >> 8;
 662                 }
 663         }
 664
 665         if (pdata->gpimapsize) {
 666                 ret |= adp5589_write(client, reg(ADP5589_GPI_EVENT_EN_A),
 667                                      evt_mode1);
 668                 ret |= adp5589_write(client, reg(ADP5589_GPI_EVENT_EN_B),
 669                                      evt_mode2);
 670                 if (!kpad->is_adp5585)
 671                         ret |= adp5589_write(client,
 672                                              reg(ADP5589_GPI_EVENT_EN_C),
 673                                              evt_mode3);
 674         }
 675
 676         if (pdata->pull_dis_mask & pdata->pullup_en_100k &
 677                 pdata->pullup_en_300k & pdata->pulldown_en_300k)
 678                 dev_warn(&client->dev, "Conflicting pull resistor config\n");
 679
 680         for (i = 0; i <= kpad->var->max_row_num; i++) {
 681                 unsigned int val = 0, bit = BIT(i);
 682                 if (pdata->pullup_en_300k & bit)
 683                         val = 0;
 684                 else if (pdata->pulldown_en_300k & bit)
 685                         val = 1;
 686                 else if (pdata->pullup_en_100k & bit)
 687                         val = 2;
 688                 else if (pdata->pull_dis_mask & bit)
 689                         val = 3;
 690
 691                 pull_mask |= val << (2 * (i & 0x3));
 692
 693                 if (i % 4 == 3 || i == kpad->var->max_row_num) {
 694                         ret |= adp5589_write(client, reg(ADP5585_RPULL_CONFIG_A)
 695                                              + (i >> 2), pull_mask);
 696                         pull_mask = 0;
 697                 }
 698         }
 699
 700         for (i = 0; i <= kpad->var->max_col_num; i++) {
 701                 unsigned int val = 0, bit = BIT(i + kpad->var->col_shift);
 702                 if (pdata->pullup_en_300k & bit)
 703                         val = 0;
 704                 else if (pdata->pulldown_en_300k & bit)
 705                         val = 1;
 706                 else if (pdata->pullup_en_100k & bit)
 707                         val = 2;
 708                 else if (pdata->pull_dis_mask & bit)
 709                         val = 3;
 710
 711                 pull_mask |= val << (2 * (i & 0x3));
 712
 713                 if (i % 4 == 3 || i == kpad->var->max_col_num) {
 714                         ret |= adp5589_write(client,
 715                                              reg(ADP5585_RPULL_CONFIG_C) +
 716                                              (i >> 2), pull_mask);
 717                         pull_mask = 0;
 718                 }
 719         }
 720
 721         if (pdata->reset1_key_1 && pdata->reset1_key_2 && pdata->reset1_key_3) {
 722                 ret |= adp5589_write(client, reg(ADP5589_RESET1_EVENT_A),
 723                                      adp5589_get_evcode(kpad,
 724                                                         pdata->reset1_key_1));
 725                 ret |= adp5589_write(client, reg(ADP5589_RESET1_EVENT_B),
 726                                      adp5589_get_evcode(kpad,
 727                                                         pdata->reset1_key_2));
 728                 ret |= adp5589_write(client, reg(ADP5589_RESET1_EVENT_C),
 729                                      adp5589_get_evcode(kpad,
 730                                                         pdata->reset1_key_3));
 731                 kpad->extend_cfg |= R4_EXTEND_CFG;
 732         }
 733
 734         if (pdata->reset2_key_1 && pdata->reset2_key_2) {
 735                 ret |= adp5589_write(client, reg(ADP5589_RESET2_EVENT_A),
 736                                      adp5589_get_evcode(kpad,
 737                                                         pdata->reset2_key_1));
 738                 ret |= adp5589_write(client, reg(ADP5589_RESET2_EVENT_B),
 739                                      adp5589_get_evcode(kpad,
 740                                                         pdata->reset2_key_2));
 741                 kpad->extend_cfg |= C4_EXTEND_CFG;
 742         }
 743
 744         if (kpad->extend_cfg) {
 745                 ret |= adp5589_write(client, reg(ADP5589_RESET_CFG),
 746                                      pdata->reset_cfg);
 747                 ret |= adp5589_write(client, reg(ADP5589_PIN_CONFIG_D),
 748                                      kpad->extend_cfg);
 749         }
 750
 751         ret |= adp5589_write(client, reg(ADP5589_DEBOUNCE_DIS_A),
 752                             pdata->debounce_dis_mask & kpad->var->row_mask);
 753
 754         ret |= adp5589_write(client, reg(ADP5589_DEBOUNCE_DIS_B),
 755                              (pdata->debounce_dis_mask >> kpad->var->col_shift)
 756                              & kpad->var->col_mask);
 757
 758         if (!kpad->is_adp5585)
 759                 ret |= adp5589_write(client, reg(ADP5589_DEBOUNCE_DIS_C),
 760                                      (pdata->debounce_dis_mask >> 16) & 0xFF);
 761
 762         ret |= adp5589_write(client, reg(ADP5589_POLL_PTIME_CFG),
 763                              pdata->scan_cycle_time & PTIME_MASK);
 764         ret |= adp5589_write(client, ADP5589_5_INT_STATUS,
 765                              (kpad->is_adp5585 ? 0 : LOGIC2_INT) |
 766                              LOGIC1_INT | OVRFLOW_INT |
 767                              (kpad->is_adp5585 ? 0 : LOCK_INT) |
 768                              GPI_INT | EVENT_INT);      /* Status is W1C */
 769
 770         ret |= adp5589_write(client, reg(ADP5589_GENERAL_CFG),
 771                              INT_CFG | OSC_EN | CORE_CLK(3));
 772         ret |= adp5589_write(client, reg(ADP5589_INT_EN),
 773                              OVRFLOW_IEN | GPI_IEN | EVENT_IEN);
 774
 775         if (ret < 0) {
 776                 dev_err(&client->dev, "Write Error\n");
 777                 return ret;
 778         }
 779
 780         return 0;
 781 }
 782
 783 static void adp5589_report_switch_state(struct adp5589_kpad *kpad)
 784 {
 785         int gpi_stat_tmp, pin_loc;
 786         int i;
 787         int gpi_stat1 = adp5589_read(kpad->client,
 788                                      kpad->var->reg(ADP5589_GPI_STATUS_A));
 789         int gpi_stat2 = adp5589_read(kpad->client,
 790                                      kpad->var->reg(ADP5589_GPI_STATUS_B));
 791         int gpi_stat3 = !kpad->is_adp5585 ?
 792                         adp5589_read(kpad->client, ADP5589_GPI_STATUS_C) : 0;
 793
 794         for (i = 0; i < kpad->gpimapsize; i++) {
 795                 unsigned short pin = kpad->gpimap[i].pin;
 796
 797                 if (pin <= kpad->var->gpi_pin_row_end) {
 798                         gpi_stat_tmp = gpi_stat1;
 799                         pin_loc = pin - kpad->var->gpi_pin_row_base;
 800                 } else if ((pin - kpad->var->gpi_pin_col_base) < 8) {
 801                         gpi_stat_tmp = gpi_stat2;
 802                         pin_loc = pin - kpad->var->gpi_pin_col_base;
 803                 } else {
 804                         gpi_stat_tmp = gpi_stat3;
 805                         pin_loc = pin - kpad->var->gpi_pin_col_base - 8;
 806                 }
 807
 808                 if (gpi_stat_tmp < 0) {
 809                         dev_err(&kpad->client->dev,
 810                                 "Can't read GPIO_DAT_STAT switch %d, default to OFF\n",
 811                                 pin);
 812                         gpi_stat_tmp = 0;
 813                 }
 814
 815                 input_report_switch(kpad->input,
 816                                     kpad->gpimap[i].sw_evt,
 817                                     !(gpi_stat_tmp & BIT(pin_loc)));
 818         }
 819
 820         input_sync(kpad->input);
 821 }
 822
 823 static int adp5589_keypad_add(struct adp5589_kpad *kpad, unsigned int revid)
 824 {
 825         struct i2c_client *client = kpad->client;
 826         const struct adp5589_kpad_platform_data *pdata =
 827                 dev_get_platdata(&client->dev);
 828         struct input_dev *input;
 829         unsigned int i;
 830         int error;
 831
 832         if (!((pdata->keypad_en_mask & kpad->var->row_mask) &&
 833                         (pdata->keypad_en_mask >> kpad->var->col_shift)) ||
 834                         !pdata->keymap) {
 835                 dev_err(&client->dev, "no rows, cols or keymap from pdata\n");
 836                 return -EINVAL;
 837         }
 838
 839         if (pdata->keymapsize != kpad->var->keymapsize) {
 840                 dev_err(&client->dev, "invalid keymapsize\n");
 841                 return -EINVAL;
 842         }
 843
 844         if (!pdata->gpimap && pdata->gpimapsize) {
 845                 dev_err(&client->dev, "invalid gpimap from pdata\n");
 846                 return -EINVAL;
 847         }
 848
 849         if (pdata->gpimapsize > kpad->var->gpimapsize_max) {
 850                 dev_err(&client->dev, "invalid gpimapsize\n");
 851                 return -EINVAL;
 852         }
 853
 854         for (i = 0; i < pdata->gpimapsize; i++) {
 855                 unsigned short pin = pdata->gpimap[i].pin;
 856
 857                 if (pin < kpad->var->gpi_pin_base ||
 858                                 pin > kpad->var->gpi_pin_end) {
 859                         dev_err(&client->dev, "invalid gpi pin data\n");
 860                         return -EINVAL;
 861                 }
 862
 863                 if (BIT(pin - kpad->var->gpi_pin_row_base) &
 864                                 pdata->keypad_en_mask) {
 865                         dev_err(&client->dev, "invalid gpi row/col data\n");
 866                         return -EINVAL;
 867                 }
 868         }
 869
 870         if (!client->irq) {
 871                 dev_err(&client->dev, "no IRQ?\n");
 872                 return -EINVAL;
 873         }
 874
 875         input = devm_input_allocate_device(&client->dev);
 876         if (!input)
 877                 return -ENOMEM;
 878
 879         kpad->input = input;
 880
 881         input->name = client->name;
 882         input->phys = "adp5589-keys/input0";
 883         input->dev.parent = &client->dev;
 884
 885         input_set_drvdata(input, kpad);
 886
 887         input->id.bustype = BUS_I2C;
 888         input->id.vendor = 0x0001;
 889         input->id.product = 0x0001;
 890         input->id.version = revid;
 891
 892         input->keycodesize = sizeof(kpad->keycode[0]);
 893         input->keycodemax = pdata->keymapsize;
 894         input->keycode = kpad->keycode;
 895
 896         memcpy(kpad->keycode, pdata->keymap,
 897                pdata->keymapsize * input->keycodesize);
 898
 899         kpad->gpimap = pdata->gpimap;
 900         kpad->gpimapsize = pdata->gpimapsize;
 901
 902         /* setup input device */
 903         __set_bit(EV_KEY, input->evbit);
 904
 905         if (pdata->repeat)
 906                 __set_bit(EV_REP, input->evbit);
 907
 908         for (i = 0; i < input->keycodemax; i++)
 909                 if (kpad->keycode[i] <= KEY_MAX)
 910                         __set_bit(kpad->keycode[i], input->keybit);
 911         __clear_bit(KEY_RESERVED, input->keybit);
 912
 913         if (kpad->gpimapsize)
 914                 __set_bit(EV_SW, input->evbit);
 915         for (i = 0; i < kpad->gpimapsize; i++)
 916                 __set_bit(kpad->gpimap[i].sw_evt, input->swbit);
 917
 918         error = input_register_device(input);
 919         if (error) {
 920                 dev_err(&client->dev, "unable to register input device\n");
 921                 return error;
 922         }
 923
 924         error = devm_request_threaded_irq(&client->dev, client->irq,
 925                                           NULL, adp5589_irq,
 926                                           IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
 927                                           client->dev.driver->name, kpad);
 928         if (error) {
 929                 dev_err(&client->dev, "unable to request irq %d\n", client->irq);
 930                 return error;
 931         }
 932
 933         return 0;
 934 }
 935
 936 static void adp5589_clear_config(void *data)
 937 {
 938         struct i2c_client *client = data;
 939         struct adp5589_kpad *kpad = i2c_get_clientdata(client);
 940
 941         adp5589_write(client, kpad->var->reg(ADP5589_GENERAL_CFG), 0);
 942 }
 943
 944 static int adp5589_probe(struct i2c_client *client,
 945                          const struct i2c_device_id *id)
 946 {
 947         struct adp5589_kpad *kpad;
 948         const struct adp5589_kpad_platform_data *pdata =
 949                 dev_get_platdata(&client->dev);
 950         unsigned int revid;
 951         int error, ret;
 952
 953         if (!i2c_check_functionality(client->adapter,
 954                                      I2C_FUNC_SMBUS_BYTE_DATA)) {
 955                 dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
 956                 return -EIO;
 957         }
 958
 959         if (!pdata) {
 960                 dev_err(&client->dev, "no platform data?\n");
 961                 return -EINVAL;
 962         }
 963
 964         kpad = devm_kzalloc(&client->dev, sizeof(*kpad), GFP_KERNEL);
 965         if (!kpad)
 966                 return -ENOMEM;
 967
 968         kpad->client = client;
 969
 970         switch (id->driver_data) {
 971         case ADP5585_02:
 972                 kpad->support_row5 = true;
 973                 fallthrough;
 974         case ADP5585_01:
 975                 kpad->is_adp5585 = true;
 976                 kpad->var = &const_adp5585;
 977                 break;
 978         case ADP5589:
 979                 kpad->support_row5 = true;
 980                 kpad->var = &const_adp5589;
 981                 break;
 982         }
 983
 984         error = devm_add_action_or_reset(&client->dev, adp5589_clear_config,
 985                                          client);
 986         if (error)
 987                 return error;
 988
 989         ret = adp5589_read(client, ADP5589_5_ID);
 990         if (ret < 0)
 991                 return ret;
 992
 993         revid = (u8) ret & ADP5589_5_DEVICE_ID_MASK;
 994
 995         if (pdata->keymapsize) {
 996                 error = adp5589_keypad_add(kpad, revid);
 997                 if (error)
 998                         return error;
 999         }
1000
1001         error = adp5589_setup(kpad);
1002         if (error)
1003                 return error;
1004
1005         if (kpad->gpimapsize)
1006                 adp5589_report_switch_state(kpad);
1007
1008         error = adp5589_gpio_add(kpad);
1009         if (error)
1010                 return error;
1011
1012         i2c_set_clientdata(client, kpad);
1013
1014         dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq);
1015         return 0;
1016 }
1017
1018 static int __maybe_unused adp5589_suspend(struct device *dev)
1019 {
1020         struct adp5589_kpad *kpad = dev_get_drvdata(dev);
1021         struct i2c_client *client = kpad->client;
1022
1023         if (!kpad->input)
1024                 return 0;
1025
1026         disable_irq(client->irq);
1027
1028         if (device_may_wakeup(&client->dev))
1029                 enable_irq_wake(client->irq);
1030
1031         return 0;
1032 }
1033
1034 static int __maybe_unused adp5589_resume(struct device *dev)
1035 {
1036         struct adp5589_kpad *kpad = dev_get_drvdata(dev);
1037         struct i2c_client *client = kpad->client;
1038
1039         if (!kpad->input)
1040                 return 0;
1041
1042         if (device_may_wakeup(&client->dev))
1043                 disable_irq_wake(client->irq);
1044
1045         enable_irq(client->irq);
1046
1047         return 0;
1048 }
1049
1050 static SIMPLE_DEV_PM_OPS(adp5589_dev_pm_ops, adp5589_suspend, adp5589_resume);
1051
1052 static const struct i2c_device_id adp5589_id[] = {
1053         {"adp5589-keys", ADP5589},
1054         {"adp5585-keys", ADP5585_01},
1055         {"adp5585-02-keys", ADP5585_02}, /* Adds ROW5 to ADP5585 */
1056         {}
1057 };
1058
1059 MODULE_DEVICE_TABLE(i2c, adp5589_id);
1060
1061 static struct i2c_driver adp5589_driver = {
1062         .driver = {
1063                 .name = KBUILD_MODNAME,
1064                 .pm = &adp5589_dev_pm_ops,
1065         },
1066         .probe = adp5589_probe,
1067         .id_table = adp5589_id,
1068 };
1069
1070 module_i2c_driver(adp5589_driver);
1071
1072 MODULE_LICENSE("GPL");
1073 MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
1074 MODULE_DESCRIPTION("ADP5589/ADP5585 Keypad driver");