drivers/pinctrl/samsung/pinctrl-s3c24xx.c

   1 /*
   2  * S3C24XX specific support for Samsung pinctrl/gpiolib driver.
   3  *
   4  * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This file contains the SamsungS3C24XX specific information required by the
  12  * Samsung pinctrl/gpiolib driver. It also includes the implementation of
  13  * external gpio and wakeup interrupt support.
  14  */
  15
  16 #include <linux/init.h>
  17 #include <linux/device.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/irqdomain.h>
  20 #include <linux/irq.h>
  21 #include <linux/of_irq.h>
  22 #include <linux/irqchip/chained_irq.h>
  23 #include <linux/io.h>
  24 #include <linux/slab.h>
  25 #include <linux/err.h>
  26
  27 #include "pinctrl-samsung.h"
  28
  29 #define NUM_EINT        24
  30 #define NUM_EINT_IRQ    6
  31 #define EINT_MAX_PER_GROUP      8
  32
  33 #define EINTPEND_REG    0xa8
  34 #define EINTMASK_REG    0xa4
  35
  36 #define EINT_GROUP(i)           ((int)((i) / EINT_MAX_PER_GROUP))
  37 #define EINT_REG(i)             ((EINT_GROUP(i) * 4) + 0x88)
  38 #define EINT_OFFS(i)            ((i) % EINT_MAX_PER_GROUP * 4)
  39
  40 #define EINT_LEVEL_LOW          0
  41 #define EINT_LEVEL_HIGH         1
  42 #define EINT_EDGE_FALLING       2
  43 #define EINT_EDGE_RISING        4
  44 #define EINT_EDGE_BOTH          6
  45 #define EINT_MASK               0xf
  46
  47 static const struct samsung_pin_bank_type bank_type_1bit = {
  48         .fld_width = { 1, 1, },
  49         .reg_offset = { 0x00, 0x04, },
  50 };
  51
  52 static const struct samsung_pin_bank_type bank_type_2bit = {
  53         .fld_width = { 2, 1, 2, },
  54         .reg_offset = { 0x00, 0x04, 0x08, },
  55 };
  56
  57 #define PIN_BANK_A(pins, reg, id)               \
  58         {                                               \
  59                 .type           = &bank_type_1bit,      \
  60                 .pctl_offset    = reg,                  \
  61                 .nr_pins        = pins,                 \
  62                 .eint_type      = EINT_TYPE_NONE,       \
  63                 .name           = id                    \
  64         }
  65
  66 #define PIN_BANK_2BIT(pins, reg, id)            \
  67         {                                               \
  68                 .type           = &bank_type_2bit,      \
  69                 .pctl_offset    = reg,                  \
  70                 .nr_pins        = pins,                 \
  71                 .eint_type      = EINT_TYPE_NONE,       \
  72                 .name           = id                    \
  73         }
  74
  75 #define PIN_BANK_2BIT_EINTW(pins, reg, id, eoffs, emask)\
  76         {                                               \
  77                 .type           = &bank_type_2bit,      \
  78                 .pctl_offset    = reg,                  \
  79                 .nr_pins        = pins,                 \
  80                 .eint_type      = EINT_TYPE_WKUP,       \
  81                 .eint_func      = 2,                    \
  82                 .eint_mask      = emask,                \
  83                 .eint_offset    = eoffs,                \
  84                 .name           = id                    \
  85         }
  86
  87 /**
  88  * struct s3c24xx_eint_data: EINT common data
  89  * @drvdata: pin controller driver data
  90  * @domains: IRQ domains of particular EINT interrupts
  91  * @parents: mapped parent irqs in the main interrupt controller
  92  */
  93 struct s3c24xx_eint_data {
  94         struct samsung_pinctrl_drv_data *drvdata;
  95         struct irq_domain *domains[NUM_EINT];
  96         int parents[NUM_EINT_IRQ];
  97 };
  98
  99 /**
 100  * struct s3c24xx_eint_domain_data: per irq-domain data
 101  * @bank: pin bank related to the domain
 102  * @eint_data: common data
 103  * eint0_3_parent_only: live eints 0-3 only in the main intc
 104  */
 105 struct s3c24xx_eint_domain_data {
 106         struct samsung_pin_bank *bank;
 107         struct s3c24xx_eint_data *eint_data;
 108         bool eint0_3_parent_only;
 109 };
 110
 111 static int s3c24xx_eint_get_trigger(unsigned int type)
 112 {
 113         switch (type) {
 114         case IRQ_TYPE_EDGE_RISING:
 115                 return EINT_EDGE_RISING;
 116                 break;
 117         case IRQ_TYPE_EDGE_FALLING:
 118                 return EINT_EDGE_FALLING;
 119                 break;
 120         case IRQ_TYPE_EDGE_BOTH:
 121                 return EINT_EDGE_BOTH;
 122                 break;
 123         case IRQ_TYPE_LEVEL_HIGH:
 124                 return EINT_LEVEL_HIGH;
 125                 break;
 126         case IRQ_TYPE_LEVEL_LOW:
 127                 return EINT_LEVEL_LOW;
 128                 break;
 129         default:
 130                 return -EINVAL;
 131         }
 132 }
 133
 134 static void s3c24xx_eint_set_handler(struct irq_data *d, unsigned int type)
 135 {
 136         /* Edge- and level-triggered interrupts need different handlers */
 137         if (type & IRQ_TYPE_EDGE_BOTH)
 138                 irq_set_handler_locked(d, handle_edge_irq);
 139         else
 140                 irq_set_handler_locked(d, handle_level_irq);
 141 }
 142
 143 static void s3c24xx_eint_set_function(struct samsung_pinctrl_drv_data *d,
 144                                         struct samsung_pin_bank *bank, int pin)
 145 {
 146         const struct samsung_pin_bank_type *bank_type = bank->type;
 147         unsigned long flags;
 148         void __iomem *reg;
 149         u8 shift;
 150         u32 mask;
 151         u32 val;
 152
 153         /* Make sure that pin is configured as interrupt */
 154         reg = bank->pctl_base + bank->pctl_offset;
 155         shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC];
 156         mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
 157
 158         spin_lock_irqsave(&bank->slock, flags);
 159
 160         val = readl(reg);
 161         val &= ~(mask << shift);
 162         val |= bank->eint_func << shift;
 163         writel(val, reg);
 164
 165         spin_unlock_irqrestore(&bank->slock, flags);
 166 }
 167
 168 static int s3c24xx_eint_type(struct irq_data *data, unsigned int type)
 169 {
 170         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 171         struct samsung_pinctrl_drv_data *d = bank->drvdata;
 172         int index = bank->eint_offset + data->hwirq;
 173         void __iomem *reg;
 174         int trigger;
 175         u8 shift;
 176         u32 val;
 177
 178         trigger = s3c24xx_eint_get_trigger(type);
 179         if (trigger < 0) {
 180                 dev_err(d->dev, "unsupported external interrupt type\n");
 181                 return -EINVAL;
 182         }
 183
 184         s3c24xx_eint_set_handler(data, type);
 185
 186         /* Set up interrupt trigger */
 187         reg = bank->eint_base + EINT_REG(index);
 188         shift = EINT_OFFS(index);
 189
 190         val = readl(reg);
 191         val &= ~(EINT_MASK << shift);
 192         val |= trigger << shift;
 193         writel(val, reg);
 194
 195         s3c24xx_eint_set_function(d, bank, data->hwirq);
 196
 197         return 0;
 198 }
 199
 200 /* Handling of EINTs 0-3 on all except S3C2412 and S3C2413 */
 201
 202 static void s3c2410_eint0_3_ack(struct irq_data *data)
 203 {
 204         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 205         struct s3c24xx_eint_domain_data *ddata = bank->irq_domain->host_data;
 206         struct s3c24xx_eint_data *eint_data = ddata->eint_data;
 207         int parent_irq = eint_data->parents[data->hwirq];
 208         struct irq_chip *parent_chip = irq_get_chip(parent_irq);
 209
 210         parent_chip->irq_ack(irq_get_irq_data(parent_irq));
 211 }
 212
 213 static void s3c2410_eint0_3_mask(struct irq_data *data)
 214 {
 215         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 216         struct s3c24xx_eint_domain_data *ddata = bank->irq_domain->host_data;
 217         struct s3c24xx_eint_data *eint_data = ddata->eint_data;
 218         int parent_irq = eint_data->parents[data->hwirq];
 219         struct irq_chip *parent_chip = irq_get_chip(parent_irq);
 220
 221         parent_chip->irq_mask(irq_get_irq_data(parent_irq));
 222 }
 223
 224 static void s3c2410_eint0_3_unmask(struct irq_data *data)
 225 {
 226         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 227         struct s3c24xx_eint_domain_data *ddata = bank->irq_domain->host_data;
 228         struct s3c24xx_eint_data *eint_data = ddata->eint_data;
 229         int parent_irq = eint_data->parents[data->hwirq];
 230         struct irq_chip *parent_chip = irq_get_chip(parent_irq);
 231
 232         parent_chip->irq_unmask(irq_get_irq_data(parent_irq));
 233 }
 234
 235 static struct irq_chip s3c2410_eint0_3_chip = {
 236         .name           = "s3c2410-eint0_3",
 237         .irq_ack        = s3c2410_eint0_3_ack,
 238         .irq_mask       = s3c2410_eint0_3_mask,
 239         .irq_unmask     = s3c2410_eint0_3_unmask,
 240         .irq_set_type   = s3c24xx_eint_type,
 241 };
 242
 243 static void s3c2410_demux_eint0_3(struct irq_desc *desc)
 244 {
 245         struct irq_data *data = irq_desc_get_irq_data(desc);
 246         struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc);
 247         unsigned int virq;
 248
 249         /* the first 4 eints have a simple 1 to 1 mapping */
 250         virq = irq_linear_revmap(eint_data->domains[data->hwirq], data->hwirq);
 251         /* Something must be really wrong if an unmapped EINT is unmasked */
 252         BUG_ON(!virq);
 253
 254         generic_handle_irq(virq);
 255 }
 256
 257 /* Handling of EINTs 0-3 on S3C2412 and S3C2413 */
 258
 259 static void s3c2412_eint0_3_ack(struct irq_data *data)
 260 {
 261         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 262
 263         unsigned long bitval = 1UL << data->hwirq;
 264         writel(bitval, bank->eint_base + EINTPEND_REG);
 265 }
 266
 267 static void s3c2412_eint0_3_mask(struct irq_data *data)
 268 {
 269         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 270         unsigned long mask;
 271
 272         mask = readl(bank->eint_base + EINTMASK_REG);
 273         mask |= (1UL << data->hwirq);
 274         writel(mask, bank->eint_base + EINTMASK_REG);
 275 }
 276
 277 static void s3c2412_eint0_3_unmask(struct irq_data *data)
 278 {
 279         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 280         unsigned long mask;
 281
 282         mask = readl(bank->eint_base + EINTMASK_REG);
 283         mask &= ~(1UL << data->hwirq);
 284         writel(mask, bank->eint_base + EINTMASK_REG);
 285 }
 286
 287 static struct irq_chip s3c2412_eint0_3_chip = {
 288         .name           = "s3c2412-eint0_3",
 289         .irq_ack        = s3c2412_eint0_3_ack,
 290         .irq_mask       = s3c2412_eint0_3_mask,
 291         .irq_unmask     = s3c2412_eint0_3_unmask,
 292         .irq_set_type   = s3c24xx_eint_type,
 293 };
 294
 295 static void s3c2412_demux_eint0_3(struct irq_desc *desc)
 296 {
 297         struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc);
 298         struct irq_data *data = irq_desc_get_irq_data(desc);
 299         struct irq_chip *chip = irq_data_get_irq_chip(data);
 300         unsigned int virq;
 301
 302         chained_irq_enter(chip, desc);
 303
 304         /* the first 4 eints have a simple 1 to 1 mapping */
 305         virq = irq_linear_revmap(eint_data->domains[data->hwirq], data->hwirq);
 306         /* Something must be really wrong if an unmapped EINT is unmasked */
 307         BUG_ON(!virq);
 308
 309         generic_handle_irq(virq);
 310
 311         chained_irq_exit(chip, desc);
 312 }
 313
 314 /* Handling of all other eints */
 315
 316 static void s3c24xx_eint_ack(struct irq_data *data)
 317 {
 318         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 319         unsigned char index = bank->eint_offset + data->hwirq;
 320
 321         writel(1UL << index, bank->eint_base + EINTPEND_REG);
 322 }
 323
 324 static void s3c24xx_eint_mask(struct irq_data *data)
 325 {
 326         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 327         unsigned char index = bank->eint_offset + data->hwirq;
 328         unsigned long mask;
 329
 330         mask = readl(bank->eint_base + EINTMASK_REG);
 331         mask |= (1UL << index);
 332         writel(mask, bank->eint_base + EINTMASK_REG);
 333 }
 334
 335 static void s3c24xx_eint_unmask(struct irq_data *data)
 336 {
 337         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
 338         unsigned char index = bank->eint_offset + data->hwirq;
 339         unsigned long mask;
 340
 341         mask = readl(bank->eint_base + EINTMASK_REG);
 342         mask &= ~(1UL << index);
 343         writel(mask, bank->eint_base + EINTMASK_REG);
 344 }
 345
 346 static struct irq_chip s3c24xx_eint_chip = {
 347         .name           = "s3c-eint",
 348         .irq_ack        = s3c24xx_eint_ack,
 349         .irq_mask       = s3c24xx_eint_mask,
 350         .irq_unmask     = s3c24xx_eint_unmask,
 351         .irq_set_type   = s3c24xx_eint_type,
 352 };
 353
 354 static inline void s3c24xx_demux_eint(struct irq_desc *desc,
 355                                       u32 offset, u32 range)
 356 {
 357         struct s3c24xx_eint_data *data = irq_desc_get_handler_data(desc);
 358         struct irq_chip *chip = irq_desc_get_chip(desc);
 359         struct irq_data *irqd = irq_desc_get_irq_data(desc);
 360         struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
 361         unsigned int pend, mask;
 362
 363         chained_irq_enter(chip, desc);
 364
 365         pend = readl(bank->eint_base + EINTPEND_REG);
 366         mask = readl(bank->eint_base + EINTMASK_REG);
 367
 368         pend &= ~mask;
 369         pend &= range;
 370
 371         while (pend) {
 372                 unsigned int virq, irq;
 373
 374                 irq = __ffs(pend);
 375                 pend &= ~(1 << irq);
 376                 virq = irq_linear_revmap(data->domains[irq], irq - offset);
 377                 /* Something is really wrong if an unmapped EINT is unmasked */
 378                 BUG_ON(!virq);
 379
 380                 generic_handle_irq(virq);
 381         }
 382
 383         chained_irq_exit(chip, desc);
 384 }
 385
 386 static void s3c24xx_demux_eint4_7(struct irq_desc *desc)
 387 {
 388         s3c24xx_demux_eint(desc, 0, 0xf0);
 389 }
 390
 391 static void s3c24xx_demux_eint8_23(struct irq_desc *desc)
 392 {
 393         s3c24xx_demux_eint(desc, 8, 0xffff00);
 394 }
 395
 396 static irq_flow_handler_t s3c2410_eint_handlers[NUM_EINT_IRQ] = {
 397         s3c2410_demux_eint0_3,
 398         s3c2410_demux_eint0_3,
 399         s3c2410_demux_eint0_3,
 400         s3c2410_demux_eint0_3,
 401         s3c24xx_demux_eint4_7,
 402         s3c24xx_demux_eint8_23,
 403 };
 404
 405 static irq_flow_handler_t s3c2412_eint_handlers[NUM_EINT_IRQ] = {
 406         s3c2412_demux_eint0_3,
 407         s3c2412_demux_eint0_3,
 408         s3c2412_demux_eint0_3,
 409         s3c2412_demux_eint0_3,
 410         s3c24xx_demux_eint4_7,
 411         s3c24xx_demux_eint8_23,
 412 };
 413
 414 static int s3c24xx_gpf_irq_map(struct irq_domain *h, unsigned int virq,
 415                                         irq_hw_number_t hw)
 416 {
 417         struct s3c24xx_eint_domain_data *ddata = h->host_data;
 418         struct samsung_pin_bank *bank = ddata->bank;
 419
 420         if (!(bank->eint_mask & (1 << (bank->eint_offset + hw))))
 421                 return -EINVAL;
 422
 423         if (hw <= 3) {
 424                 if (ddata->eint0_3_parent_only)
 425                         irq_set_chip_and_handler(virq, &s3c2410_eint0_3_chip,
 426                                                  handle_edge_irq);
 427                 else
 428                         irq_set_chip_and_handler(virq, &s3c2412_eint0_3_chip,
 429                                                  handle_edge_irq);
 430         } else {
 431                 irq_set_chip_and_handler(virq, &s3c24xx_eint_chip,
 432                                          handle_edge_irq);
 433         }
 434         irq_set_chip_data(virq, bank);
 435         return 0;
 436 }
 437
 438 static const struct irq_domain_ops s3c24xx_gpf_irq_ops = {
 439         .map    = s3c24xx_gpf_irq_map,
 440         .xlate  = irq_domain_xlate_twocell,
 441 };
 442
 443 static int s3c24xx_gpg_irq_map(struct irq_domain *h, unsigned int virq,
 444                                         irq_hw_number_t hw)
 445 {
 446         struct s3c24xx_eint_domain_data *ddata = h->host_data;
 447         struct samsung_pin_bank *bank = ddata->bank;
 448
 449         if (!(bank->eint_mask & (1 << (bank->eint_offset + hw))))
 450                 return -EINVAL;
 451
 452         irq_set_chip_and_handler(virq, &s3c24xx_eint_chip, handle_edge_irq);
 453         irq_set_chip_data(virq, bank);
 454         return 0;
 455 }
 456
 457 static const struct irq_domain_ops s3c24xx_gpg_irq_ops = {
 458         .map    = s3c24xx_gpg_irq_map,
 459         .xlate  = irq_domain_xlate_twocell,
 460 };
 461
 462 static const struct of_device_id s3c24xx_eint_irq_ids[] = {
 463         { .compatible = "samsung,s3c2410-wakeup-eint", .data = (void *)1 },
 464         { .compatible = "samsung,s3c2412-wakeup-eint", .data = (void *)0 },
 465         { }
 466 };
 467
 468 static int s3c24xx_eint_init(struct samsung_pinctrl_drv_data *d)
 469 {
 470         struct device *dev = d->dev;
 471         const struct of_device_id *match;
 472         struct device_node *eint_np = NULL;
 473         struct device_node *np;
 474         struct samsung_pin_bank *bank;
 475         struct s3c24xx_eint_data *eint_data;
 476         const struct irq_domain_ops *ops;
 477         unsigned int i;
 478         bool eint0_3_parent_only;
 479         irq_flow_handler_t *handlers;
 480
 481         for_each_child_of_node(dev->of_node, np) {
 482                 match = of_match_node(s3c24xx_eint_irq_ids, np);
 483                 if (match) {
 484                         eint_np = np;
 485                         eint0_3_parent_only = (bool)match->data;
 486                         break;
 487                 }
 488         }
 489         if (!eint_np)
 490                 return -ENODEV;
 491
 492         eint_data = devm_kzalloc(dev, sizeof(*eint_data), GFP_KERNEL);
 493         if (!eint_data)
 494                 return -ENOMEM;
 495
 496         eint_data->drvdata = d;
 497
 498         handlers = eint0_3_parent_only ? s3c2410_eint_handlers
 499                                        : s3c2412_eint_handlers;
 500         for (i = 0; i < NUM_EINT_IRQ; ++i) {
 501                 unsigned int irq;
 502
 503                 irq = irq_of_parse_and_map(eint_np, i);
 504                 if (!irq) {
 505                         dev_err(dev, "failed to get wakeup EINT IRQ %d\n", i);
 506                         return -ENXIO;
 507                 }
 508
 509                 eint_data->parents[i] = irq;
 510                 irq_set_chained_handler_and_data(irq, handlers[i], eint_data);
 511         }
 512
 513         bank = d->pin_banks;
 514         for (i = 0; i < d->nr_banks; ++i, ++bank) {
 515                 struct s3c24xx_eint_domain_data *ddata;
 516                 unsigned int mask;
 517                 unsigned int irq;
 518                 unsigned int pin;
 519
 520                 if (bank->eint_type != EINT_TYPE_WKUP)
 521                         continue;
 522
 523                 ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL);
 524                 if (!ddata)
 525                         return -ENOMEM;
 526
 527                 ddata->bank = bank;
 528                 ddata->eint_data = eint_data;
 529                 ddata->eint0_3_parent_only = eint0_3_parent_only;
 530
 531                 ops = (bank->eint_offset == 0) ? &s3c24xx_gpf_irq_ops
 532                                                : &s3c24xx_gpg_irq_ops;
 533
 534                 bank->irq_domain = irq_domain_add_linear(bank->of_node,
 535                                 bank->nr_pins, ops, ddata);
 536                 if (!bank->irq_domain) {
 537                         dev_err(dev, "wkup irq domain add failed\n");
 538                         return -ENXIO;
 539                 }
 540
 541                 irq = bank->eint_offset;
 542                 mask = bank->eint_mask;
 543                 for (pin = 0; mask; ++pin, mask >>= 1) {
 544                         if (irq >= NUM_EINT)
 545                                 break;
 546                         if (!(mask & 1))
 547                                 continue;
 548                         eint_data->domains[irq] = bank->irq_domain;
 549                         ++irq;
 550                 }
 551         }
 552
 553         return 0;
 554 }
 555
 556 static const struct samsung_pin_bank_data s3c2412_pin_banks[] __initconst = {
 557         PIN_BANK_A(23, 0x000, "gpa"),
 558         PIN_BANK_2BIT(11, 0x010, "gpb"),
 559         PIN_BANK_2BIT(16, 0x020, "gpc"),
 560         PIN_BANK_2BIT(16, 0x030, "gpd"),
 561         PIN_BANK_2BIT(16, 0x040, "gpe"),
 562         PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff),
 563         PIN_BANK_2BIT_EINTW(16, 0x060, "gpg", 8, 0xffff00),
 564         PIN_BANK_2BIT(11, 0x070, "gph"),
 565         PIN_BANK_2BIT(13, 0x080, "gpj"),
 566 };
 567
 568 const struct samsung_pin_ctrl s3c2412_pin_ctrl[] __initconst = {
 569         {
 570                 .pin_banks      = s3c2412_pin_banks,
 571                 .nr_banks       = ARRAY_SIZE(s3c2412_pin_banks),
 572                 .eint_wkup_init = s3c24xx_eint_init,
 573         },
 574 };
 575
 576 static const struct samsung_pin_bank_data s3c2416_pin_banks[] __initconst = {
 577         PIN_BANK_A(27, 0x000, "gpa"),
 578         PIN_BANK_2BIT(11, 0x010, "gpb"),
 579         PIN_BANK_2BIT(16, 0x020, "gpc"),
 580         PIN_BANK_2BIT(16, 0x030, "gpd"),
 581         PIN_BANK_2BIT(16, 0x040, "gpe"),
 582         PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff),
 583         PIN_BANK_2BIT_EINTW(8, 0x060, "gpg", 8, 0xff00),
 584         PIN_BANK_2BIT(15, 0x070, "gph"),
 585         PIN_BANK_2BIT(16, 0x0e0, "gpk"),
 586         PIN_BANK_2BIT(14, 0x0f0, "gpl"),
 587         PIN_BANK_2BIT(2, 0x100, "gpm"),
 588 };
 589
 590 const struct samsung_pin_ctrl s3c2416_pin_ctrl[] __initconst = {
 591         {
 592                 .pin_banks      = s3c2416_pin_banks,
 593                 .nr_banks       = ARRAY_SIZE(s3c2416_pin_banks),
 594                 .eint_wkup_init = s3c24xx_eint_init,
 595         },
 596 };
 597
 598 static const struct samsung_pin_bank_data s3c2440_pin_banks[] __initconst = {
 599         PIN_BANK_A(25, 0x000, "gpa"),
 600         PIN_BANK_2BIT(11, 0x010, "gpb"),
 601         PIN_BANK_2BIT(16, 0x020, "gpc"),
 602         PIN_BANK_2BIT(16, 0x030, "gpd"),
 603         PIN_BANK_2BIT(16, 0x040, "gpe"),
 604         PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff),
 605         PIN_BANK_2BIT_EINTW(16, 0x060, "gpg", 8, 0xffff00),
 606         PIN_BANK_2BIT(11, 0x070, "gph"),
 607         PIN_BANK_2BIT(13, 0x0d0, "gpj"),
 608 };
 609
 610 const struct samsung_pin_ctrl s3c2440_pin_ctrl[] __initconst = {
 611         {
 612                 .pin_banks      = s3c2440_pin_banks,
 613                 .nr_banks       = ARRAY_SIZE(s3c2440_pin_banks),
 614                 .eint_wkup_init = s3c24xx_eint_init,
 615         },
 616 };
 617
 618 static const struct samsung_pin_bank_data s3c2450_pin_banks[] __initconst = {
 619         PIN_BANK_A(28, 0x000, "gpa"),
 620         PIN_BANK_2BIT(11, 0x010, "gpb"),
 621         PIN_BANK_2BIT(16, 0x020, "gpc"),
 622         PIN_BANK_2BIT(16, 0x030, "gpd"),
 623         PIN_BANK_2BIT(16, 0x040, "gpe"),
 624         PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff),
 625         PIN_BANK_2BIT_EINTW(16, 0x060, "gpg", 8, 0xffff00),
 626         PIN_BANK_2BIT(15, 0x070, "gph"),
 627         PIN_BANK_2BIT(16, 0x0d0, "gpj"),
 628         PIN_BANK_2BIT(16, 0x0e0, "gpk"),
 629         PIN_BANK_2BIT(15, 0x0f0, "gpl"),
 630         PIN_BANK_2BIT(2, 0x100, "gpm"),
 631 };
 632
 633 const struct samsung_pin_ctrl s3c2450_pin_ctrl[] __initconst = {
 634         {
 635                 .pin_banks      = s3c2450_pin_banks,
 636                 .nr_banks       = ARRAY_SIZE(s3c2450_pin_banks),
 637                 .eint_wkup_init = s3c24xx_eint_init,
 638         },
 639 };