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11#include <linux/init.h>
12#include <linux/device.h>
13#include <linux/interrupt.h>
14#include <linux/irqdomain.h>
15#include <linux/irq.h>
16#include <linux/of_irq.h>
17#include <linux/irqchip/chained_irq.h>
18#include <linux/io.h>
19#include <linux/slab.h>
20#include <linux/err.h>
21
22#include "pinctrl-samsung.h"
23
24#define NUM_EINT 24
25#define NUM_EINT_IRQ 6
26#define EINT_MAX_PER_GROUP 8
27
28#define EINTPEND_REG 0xa8
29#define EINTMASK_REG 0xa4
30
31#define EINT_GROUP(i) ((int)((i) / EINT_MAX_PER_GROUP))
32#define EINT_REG(i) ((EINT_GROUP(i) * 4) + 0x88)
33#define EINT_OFFS(i) ((i) % EINT_MAX_PER_GROUP * 4)
34
35#define EINT_LEVEL_LOW 0
36#define EINT_LEVEL_HIGH 1
37#define EINT_EDGE_FALLING 2
38#define EINT_EDGE_RISING 4
39#define EINT_EDGE_BOTH 6
40#define EINT_MASK 0xf
41
42static const struct samsung_pin_bank_type bank_type_1bit = {
43 .fld_width = { 1, 1, },
44 .reg_offset = { 0x00, 0x04, },
45};
46
47static const struct samsung_pin_bank_type bank_type_2bit = {
48 .fld_width = { 2, 1, 2, },
49 .reg_offset = { 0x00, 0x04, 0x08, },
50};
51
52#define PIN_BANK_A(pins, reg, id) \
53 { \
54 .type = &bank_type_1bit, \
55 .pctl_offset = reg, \
56 .nr_pins = pins, \
57 .eint_type = EINT_TYPE_NONE, \
58 .name = id \
59 }
60
61#define PIN_BANK_2BIT(pins, reg, id) \
62 { \
63 .type = &bank_type_2bit, \
64 .pctl_offset = reg, \
65 .nr_pins = pins, \
66 .eint_type = EINT_TYPE_NONE, \
67 .name = id \
68 }
69
70#define PIN_BANK_2BIT_EINTW(pins, reg, id, eoffs, emask)\
71 { \
72 .type = &bank_type_2bit, \
73 .pctl_offset = reg, \
74 .nr_pins = pins, \
75 .eint_type = EINT_TYPE_WKUP, \
76 .eint_func = 2, \
77 .eint_mask = emask, \
78 .eint_offset = eoffs, \
79 .name = id \
80 }
81
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85
86
87
88struct s3c24xx_eint_data {
89 struct samsung_pinctrl_drv_data *drvdata;
90 struct irq_domain *domains[NUM_EINT];
91 int parents[NUM_EINT_IRQ];
92};
93
94
95
96
97
98
99
100struct s3c24xx_eint_domain_data {
101 struct samsung_pin_bank *bank;
102 struct s3c24xx_eint_data *eint_data;
103 bool eint0_3_parent_only;
104};
105
106static int s3c24xx_eint_get_trigger(unsigned int type)
107{
108 switch (type) {
109 case IRQ_TYPE_EDGE_RISING:
110 return EINT_EDGE_RISING;
111 break;
112 case IRQ_TYPE_EDGE_FALLING:
113 return EINT_EDGE_FALLING;
114 break;
115 case IRQ_TYPE_EDGE_BOTH:
116 return EINT_EDGE_BOTH;
117 break;
118 case IRQ_TYPE_LEVEL_HIGH:
119 return EINT_LEVEL_HIGH;
120 break;
121 case IRQ_TYPE_LEVEL_LOW:
122 return EINT_LEVEL_LOW;
123 break;
124 default:
125 return -EINVAL;
126 }
127}
128
129static void s3c24xx_eint_set_handler(struct irq_data *d, unsigned int type)
130{
131
132 if (type & IRQ_TYPE_EDGE_BOTH)
133 irq_set_handler_locked(d, handle_edge_irq);
134 else
135 irq_set_handler_locked(d, handle_level_irq);
136}
137
138static void s3c24xx_eint_set_function(struct samsung_pinctrl_drv_data *d,
139 struct samsung_pin_bank *bank, int pin)
140{
141 const struct samsung_pin_bank_type *bank_type = bank->type;
142 unsigned long flags;
143 void __iomem *reg;
144 u8 shift;
145 u32 mask;
146 u32 val;
147
148
149 reg = d->virt_base + bank->pctl_offset;
150 shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC];
151 mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
152
153 spin_lock_irqsave(&bank->slock, flags);
154
155 val = readl(reg);
156 val &= ~(mask << shift);
157 val |= bank->eint_func << shift;
158 writel(val, reg);
159
160 spin_unlock_irqrestore(&bank->slock, flags);
161}
162
163static int s3c24xx_eint_type(struct irq_data *data, unsigned int type)
164{
165 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
166 struct samsung_pinctrl_drv_data *d = bank->drvdata;
167 int index = bank->eint_offset + data->hwirq;
168 void __iomem *reg;
169 int trigger;
170 u8 shift;
171 u32 val;
172
173 trigger = s3c24xx_eint_get_trigger(type);
174 if (trigger < 0) {
175 dev_err(d->dev, "unsupported external interrupt type\n");
176 return -EINVAL;
177 }
178
179 s3c24xx_eint_set_handler(data, type);
180
181
182 reg = d->virt_base + EINT_REG(index);
183 shift = EINT_OFFS(index);
184
185 val = readl(reg);
186 val &= ~(EINT_MASK << shift);
187 val |= trigger << shift;
188 writel(val, reg);
189
190 s3c24xx_eint_set_function(d, bank, data->hwirq);
191
192 return 0;
193}
194
195
196
197static void s3c2410_eint0_3_ack(struct irq_data *data)
198{
199 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
200 struct s3c24xx_eint_domain_data *ddata = bank->irq_domain->host_data;
201 struct s3c24xx_eint_data *eint_data = ddata->eint_data;
202 int parent_irq = eint_data->parents[data->hwirq];
203 struct irq_chip *parent_chip = irq_get_chip(parent_irq);
204
205 parent_chip->irq_ack(irq_get_irq_data(parent_irq));
206}
207
208static void s3c2410_eint0_3_mask(struct irq_data *data)
209{
210 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
211 struct s3c24xx_eint_domain_data *ddata = bank->irq_domain->host_data;
212 struct s3c24xx_eint_data *eint_data = ddata->eint_data;
213 int parent_irq = eint_data->parents[data->hwirq];
214 struct irq_chip *parent_chip = irq_get_chip(parent_irq);
215
216 parent_chip->irq_mask(irq_get_irq_data(parent_irq));
217}
218
219static void s3c2410_eint0_3_unmask(struct irq_data *data)
220{
221 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
222 struct s3c24xx_eint_domain_data *ddata = bank->irq_domain->host_data;
223 struct s3c24xx_eint_data *eint_data = ddata->eint_data;
224 int parent_irq = eint_data->parents[data->hwirq];
225 struct irq_chip *parent_chip = irq_get_chip(parent_irq);
226
227 parent_chip->irq_unmask(irq_get_irq_data(parent_irq));
228}
229
230static struct irq_chip s3c2410_eint0_3_chip = {
231 .name = "s3c2410-eint0_3",
232 .irq_ack = s3c2410_eint0_3_ack,
233 .irq_mask = s3c2410_eint0_3_mask,
234 .irq_unmask = s3c2410_eint0_3_unmask,
235 .irq_set_type = s3c24xx_eint_type,
236};
237
238static void s3c2410_demux_eint0_3(struct irq_desc *desc)
239{
240 struct irq_data *data = irq_desc_get_irq_data(desc);
241 struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc);
242 unsigned int virq;
243
244
245 virq = irq_linear_revmap(eint_data->domains[data->hwirq], data->hwirq);
246
247 BUG_ON(!virq);
248
249 generic_handle_irq(virq);
250}
251
252
253
254static void s3c2412_eint0_3_ack(struct irq_data *data)
255{
256 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
257 struct samsung_pinctrl_drv_data *d = bank->drvdata;
258
259 unsigned long bitval = 1UL << data->hwirq;
260 writel(bitval, d->virt_base + EINTPEND_REG);
261}
262
263static void s3c2412_eint0_3_mask(struct irq_data *data)
264{
265 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
266 struct samsung_pinctrl_drv_data *d = bank->drvdata;
267 unsigned long mask;
268
269 mask = readl(d->virt_base + EINTMASK_REG);
270 mask |= (1UL << data->hwirq);
271 writel(mask, d->virt_base + EINTMASK_REG);
272}
273
274static void s3c2412_eint0_3_unmask(struct irq_data *data)
275{
276 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
277 struct samsung_pinctrl_drv_data *d = bank->drvdata;
278 unsigned long mask;
279
280 mask = readl(d->virt_base + EINTMASK_REG);
281 mask &= ~(1UL << data->hwirq);
282 writel(mask, d->virt_base + EINTMASK_REG);
283}
284
285static struct irq_chip s3c2412_eint0_3_chip = {
286 .name = "s3c2412-eint0_3",
287 .irq_ack = s3c2412_eint0_3_ack,
288 .irq_mask = s3c2412_eint0_3_mask,
289 .irq_unmask = s3c2412_eint0_3_unmask,
290 .irq_set_type = s3c24xx_eint_type,
291};
292
293static void s3c2412_demux_eint0_3(struct irq_desc *desc)
294{
295 struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc);
296 struct irq_data *data = irq_desc_get_irq_data(desc);
297 struct irq_chip *chip = irq_data_get_irq_chip(data);
298 unsigned int virq;
299
300 chained_irq_enter(chip, desc);
301
302
303 virq = irq_linear_revmap(eint_data->domains[data->hwirq], data->hwirq);
304
305 BUG_ON(!virq);
306
307 generic_handle_irq(virq);
308
309 chained_irq_exit(chip, desc);
310}
311
312
313
314static void s3c24xx_eint_ack(struct irq_data *data)
315{
316 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
317 struct samsung_pinctrl_drv_data *d = bank->drvdata;
318 unsigned char index = bank->eint_offset + data->hwirq;
319
320 writel(1UL << index, d->virt_base + EINTPEND_REG);
321}
322
323static void s3c24xx_eint_mask(struct irq_data *data)
324{
325 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
326 struct samsung_pinctrl_drv_data *d = bank->drvdata;
327 unsigned char index = bank->eint_offset + data->hwirq;
328 unsigned long mask;
329
330 mask = readl(d->virt_base + EINTMASK_REG);
331 mask |= (1UL << index);
332 writel(mask, d->virt_base + EINTMASK_REG);
333}
334
335static void s3c24xx_eint_unmask(struct irq_data *data)
336{
337 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data);
338 struct samsung_pinctrl_drv_data *d = bank->drvdata;
339 unsigned char index = bank->eint_offset + data->hwirq;
340 unsigned long mask;
341
342 mask = readl(d->virt_base + EINTMASK_REG);
343 mask &= ~(1UL << index);
344 writel(mask, d->virt_base + EINTMASK_REG);
345}
346
347static struct irq_chip s3c24xx_eint_chip = {
348 .name = "s3c-eint",
349 .irq_ack = s3c24xx_eint_ack,
350 .irq_mask = s3c24xx_eint_mask,
351 .irq_unmask = s3c24xx_eint_unmask,
352 .irq_set_type = s3c24xx_eint_type,
353};
354
355static inline void s3c24xx_demux_eint(struct irq_desc *desc,
356 u32 offset, u32 range)
357{
358 struct s3c24xx_eint_data *data = irq_desc_get_handler_data(desc);
359 struct irq_chip *chip = irq_desc_get_chip(desc);
360 struct samsung_pinctrl_drv_data *d = data->drvdata;
361 unsigned int pend, mask;
362
363 chained_irq_enter(chip, desc);
364
365 pend = readl(d->virt_base + EINTPEND_REG);
366 mask = readl(d->virt_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
378 BUG_ON(!virq);
379
380 generic_handle_irq(virq);
381 }
382
383 chained_irq_exit(chip, desc);
384}
385
386static void s3c24xx_demux_eint4_7(struct irq_desc *desc)
387{
388 s3c24xx_demux_eint(desc, 0, 0xf0);
389}
390
391static void s3c24xx_demux_eint8_23(struct irq_desc *desc)
392{
393 s3c24xx_demux_eint(desc, 8, 0xffff00);
394}
395
396static 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
405static 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
414static 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
438static const struct irq_domain_ops s3c24xx_gpf_irq_ops = {
439 .map = s3c24xx_gpf_irq_map,
440 .xlate = irq_domain_xlate_twocell,
441};
442
443static 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
457static const struct irq_domain_ops s3c24xx_gpg_irq_ops = {
458 .map = s3c24xx_gpg_irq_map,
459 .xlate = irq_domain_xlate_twocell,
460};
461
462static 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
468static 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
556static 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
568static 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
576const struct samsung_pinctrl_of_match_data s3c2412_of_data __initconst = {
577 .ctrl = s3c2412_pin_ctrl,
578 .num_ctrl = ARRAY_SIZE(s3c2412_pin_ctrl),
579};
580
581static const struct samsung_pin_bank_data s3c2416_pin_banks[] __initconst = {
582 PIN_BANK_A(27, 0x000, "gpa"),
583 PIN_BANK_2BIT(11, 0x010, "gpb"),
584 PIN_BANK_2BIT(16, 0x020, "gpc"),
585 PIN_BANK_2BIT(16, 0x030, "gpd"),
586 PIN_BANK_2BIT(16, 0x040, "gpe"),
587 PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff),
588 PIN_BANK_2BIT_EINTW(8, 0x060, "gpg", 8, 0xff00),
589 PIN_BANK_2BIT(15, 0x070, "gph"),
590 PIN_BANK_2BIT(16, 0x0e0, "gpk"),
591 PIN_BANK_2BIT(14, 0x0f0, "gpl"),
592 PIN_BANK_2BIT(2, 0x100, "gpm"),
593};
594
595static const struct samsung_pin_ctrl s3c2416_pin_ctrl[] __initconst = {
596 {
597 .pin_banks = s3c2416_pin_banks,
598 .nr_banks = ARRAY_SIZE(s3c2416_pin_banks),
599 .eint_wkup_init = s3c24xx_eint_init,
600 },
601};
602
603const struct samsung_pinctrl_of_match_data s3c2416_of_data __initconst = {
604 .ctrl = s3c2416_pin_ctrl,
605 .num_ctrl = ARRAY_SIZE(s3c2416_pin_ctrl),
606};
607
608static const struct samsung_pin_bank_data s3c2440_pin_banks[] __initconst = {
609 PIN_BANK_A(25, 0x000, "gpa"),
610 PIN_BANK_2BIT(11, 0x010, "gpb"),
611 PIN_BANK_2BIT(16, 0x020, "gpc"),
612 PIN_BANK_2BIT(16, 0x030, "gpd"),
613 PIN_BANK_2BIT(16, 0x040, "gpe"),
614 PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff),
615 PIN_BANK_2BIT_EINTW(16, 0x060, "gpg", 8, 0xffff00),
616 PIN_BANK_2BIT(11, 0x070, "gph"),
617 PIN_BANK_2BIT(13, 0x0d0, "gpj"),
618};
619
620static const struct samsung_pin_ctrl s3c2440_pin_ctrl[] __initconst = {
621 {
622 .pin_banks = s3c2440_pin_banks,
623 .nr_banks = ARRAY_SIZE(s3c2440_pin_banks),
624 .eint_wkup_init = s3c24xx_eint_init,
625 },
626};
627
628const struct samsung_pinctrl_of_match_data s3c2440_of_data __initconst = {
629 .ctrl = s3c2440_pin_ctrl,
630 .num_ctrl = ARRAY_SIZE(s3c2440_pin_ctrl),
631};
632
633static const struct samsung_pin_bank_data s3c2450_pin_banks[] __initconst = {
634 PIN_BANK_A(28, 0x000, "gpa"),
635 PIN_BANK_2BIT(11, 0x010, "gpb"),
636 PIN_BANK_2BIT(16, 0x020, "gpc"),
637 PIN_BANK_2BIT(16, 0x030, "gpd"),
638 PIN_BANK_2BIT(16, 0x040, "gpe"),
639 PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff),
640 PIN_BANK_2BIT_EINTW(16, 0x060, "gpg", 8, 0xffff00),
641 PIN_BANK_2BIT(15, 0x070, "gph"),
642 PIN_BANK_2BIT(16, 0x0d0, "gpj"),
643 PIN_BANK_2BIT(16, 0x0e0, "gpk"),
644 PIN_BANK_2BIT(15, 0x0f0, "gpl"),
645 PIN_BANK_2BIT(2, 0x100, "gpm"),
646};
647
648static const struct samsung_pin_ctrl s3c2450_pin_ctrl[] __initconst = {
649 {
650 .pin_banks = s3c2450_pin_banks,
651 .nr_banks = ARRAY_SIZE(s3c2450_pin_banks),
652 .eint_wkup_init = s3c24xx_eint_init,
653 },
654};
655
656const struct samsung_pinctrl_of_match_data s3c2450_of_data __initconst = {
657 .ctrl = s3c2450_pin_ctrl,
658 .num_ctrl = ARRAY_SIZE(s3c2450_pin_ctrl),
659};
660
