xref: /linux/drivers/pinctrl/samsung/pinctrl-exynos.c (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
1 /*
2  * Exynos specific support for Samsung pinctrl/gpiolib driver with eint support.
3  *
4  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5  *		http://www.samsung.com
6  * Copyright (c) 2012 Linaro Ltd
7  *		http://www.linaro.org
8  *
9  * Author: Thomas Abraham <thomas.ab@samsung.com>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version.
15  *
16  * This file contains the Samsung Exynos specific information required by the
17  * the Samsung pinctrl/gpiolib driver. It also includes the implementation of
18  * external gpio and wakeup interrupt support.
19  */
20 
21 #include <linux/module.h>
22 #include <linux/device.h>
23 #include <linux/interrupt.h>
24 #include <linux/irqdomain.h>
25 #include <linux/irq.h>
26 #include <linux/irqchip/chained_irq.h>
27 #include <linux/of_irq.h>
28 #include <linux/io.h>
29 #include <linux/slab.h>
30 #include <linux/spinlock.h>
31 #include <linux/err.h>
32 
33 #include "pinctrl-samsung.h"
34 #include "pinctrl-exynos.h"
35 
36 struct exynos_irq_chip {
37 	struct irq_chip chip;
38 
39 	u32 eint_con;
40 	u32 eint_mask;
41 	u32 eint_pend;
42 };
43 
44 static inline struct exynos_irq_chip *to_exynos_irq_chip(struct irq_chip *chip)
45 {
46 	return container_of(chip, struct exynos_irq_chip, chip);
47 }
48 
49 static struct samsung_pin_bank_type bank_type_off = {
50 	.fld_width = { 4, 1, 2, 2, 2, 2, },
51 	.reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, },
52 };
53 
54 static struct samsung_pin_bank_type bank_type_alive = {
55 	.fld_width = { 4, 1, 2, 2, },
56 	.reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
57 };
58 
59 /* list of external wakeup controllers supported */
60 static const struct of_device_id exynos_wkup_irq_ids[] = {
61 	{ .compatible = "samsung,exynos4210-wakeup-eint", },
62 	{ }
63 };
64 
65 static void exynos_irq_mask(struct irq_data *irqd)
66 {
67 	struct irq_chip *chip = irq_data_get_irq_chip(irqd);
68 	struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip);
69 	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
70 	struct samsung_pinctrl_drv_data *d = bank->drvdata;
71 	unsigned long reg_mask = our_chip->eint_mask + bank->eint_offset;
72 	unsigned long mask;
73 	unsigned long flags;
74 
75 	spin_lock_irqsave(&bank->slock, flags);
76 
77 	mask = readl(d->virt_base + reg_mask);
78 	mask |= 1 << irqd->hwirq;
79 	writel(mask, d->virt_base + reg_mask);
80 
81 	spin_unlock_irqrestore(&bank->slock, flags);
82 }
83 
84 static void exynos_irq_ack(struct irq_data *irqd)
85 {
86 	struct irq_chip *chip = irq_data_get_irq_chip(irqd);
87 	struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip);
88 	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
89 	struct samsung_pinctrl_drv_data *d = bank->drvdata;
90 	unsigned long reg_pend = our_chip->eint_pend + bank->eint_offset;
91 
92 	writel(1 << irqd->hwirq, d->virt_base + reg_pend);
93 }
94 
95 static void exynos_irq_unmask(struct irq_data *irqd)
96 {
97 	struct irq_chip *chip = irq_data_get_irq_chip(irqd);
98 	struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip);
99 	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
100 	struct samsung_pinctrl_drv_data *d = bank->drvdata;
101 	unsigned long reg_mask = our_chip->eint_mask + bank->eint_offset;
102 	unsigned long mask;
103 	unsigned long flags;
104 
105 	/*
106 	 * Ack level interrupts right before unmask
107 	 *
108 	 * If we don't do this we'll get a double-interrupt.  Level triggered
109 	 * interrupts must not fire an interrupt if the level is not
110 	 * _currently_ active, even if it was active while the interrupt was
111 	 * masked.
112 	 */
113 	if (irqd_get_trigger_type(irqd) & IRQ_TYPE_LEVEL_MASK)
114 		exynos_irq_ack(irqd);
115 
116 	spin_lock_irqsave(&bank->slock, flags);
117 
118 	mask = readl(d->virt_base + reg_mask);
119 	mask &= ~(1 << irqd->hwirq);
120 	writel(mask, d->virt_base + reg_mask);
121 
122 	spin_unlock_irqrestore(&bank->slock, flags);
123 }
124 
125 static int exynos_irq_set_type(struct irq_data *irqd, unsigned int type)
126 {
127 	struct irq_chip *chip = irq_data_get_irq_chip(irqd);
128 	struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip);
129 	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
130 	struct samsung_pinctrl_drv_data *d = bank->drvdata;
131 	unsigned int shift = EXYNOS_EINT_CON_LEN * irqd->hwirq;
132 	unsigned int con, trig_type;
133 	unsigned long reg_con = our_chip->eint_con + bank->eint_offset;
134 
135 	switch (type) {
136 	case IRQ_TYPE_EDGE_RISING:
137 		trig_type = EXYNOS_EINT_EDGE_RISING;
138 		break;
139 	case IRQ_TYPE_EDGE_FALLING:
140 		trig_type = EXYNOS_EINT_EDGE_FALLING;
141 		break;
142 	case IRQ_TYPE_EDGE_BOTH:
143 		trig_type = EXYNOS_EINT_EDGE_BOTH;
144 		break;
145 	case IRQ_TYPE_LEVEL_HIGH:
146 		trig_type = EXYNOS_EINT_LEVEL_HIGH;
147 		break;
148 	case IRQ_TYPE_LEVEL_LOW:
149 		trig_type = EXYNOS_EINT_LEVEL_LOW;
150 		break;
151 	default:
152 		pr_err("unsupported external interrupt type\n");
153 		return -EINVAL;
154 	}
155 
156 	if (type & IRQ_TYPE_EDGE_BOTH)
157 		__irq_set_handler_locked(irqd->irq, handle_edge_irq);
158 	else
159 		__irq_set_handler_locked(irqd->irq, handle_level_irq);
160 
161 	con = readl(d->virt_base + reg_con);
162 	con &= ~(EXYNOS_EINT_CON_MASK << shift);
163 	con |= trig_type << shift;
164 	writel(con, d->virt_base + reg_con);
165 
166 	return 0;
167 }
168 
169 static int exynos_irq_request_resources(struct irq_data *irqd)
170 {
171 	struct irq_chip *chip = irq_data_get_irq_chip(irqd);
172 	struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip);
173 	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
174 	struct samsung_pin_bank_type *bank_type = bank->type;
175 	struct samsung_pinctrl_drv_data *d = bank->drvdata;
176 	unsigned int shift = EXYNOS_EINT_CON_LEN * irqd->hwirq;
177 	unsigned long reg_con = our_chip->eint_con + bank->eint_offset;
178 	unsigned long flags;
179 	unsigned int mask;
180 	unsigned int con;
181 	int ret;
182 
183 	ret = gpio_lock_as_irq(&bank->gpio_chip, irqd->hwirq);
184 	if (ret) {
185 		dev_err(bank->gpio_chip.dev, "unable to lock pin %s-%lu IRQ\n",
186 			bank->name, irqd->hwirq);
187 		return ret;
188 	}
189 
190 	reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC];
191 	shift = irqd->hwirq * bank_type->fld_width[PINCFG_TYPE_FUNC];
192 	mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
193 
194 	spin_lock_irqsave(&bank->slock, flags);
195 
196 	con = readl(d->virt_base + reg_con);
197 	con &= ~(mask << shift);
198 	con |= EXYNOS_EINT_FUNC << shift;
199 	writel(con, d->virt_base + reg_con);
200 
201 	spin_unlock_irqrestore(&bank->slock, flags);
202 
203 	exynos_irq_unmask(irqd);
204 
205 	return 0;
206 }
207 
208 static void exynos_irq_release_resources(struct irq_data *irqd)
209 {
210 	struct irq_chip *chip = irq_data_get_irq_chip(irqd);
211 	struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip);
212 	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
213 	struct samsung_pin_bank_type *bank_type = bank->type;
214 	struct samsung_pinctrl_drv_data *d = bank->drvdata;
215 	unsigned int shift = EXYNOS_EINT_CON_LEN * irqd->hwirq;
216 	unsigned long reg_con = our_chip->eint_con + bank->eint_offset;
217 	unsigned long flags;
218 	unsigned int mask;
219 	unsigned int con;
220 
221 	reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC];
222 	shift = irqd->hwirq * bank_type->fld_width[PINCFG_TYPE_FUNC];
223 	mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
224 
225 	exynos_irq_mask(irqd);
226 
227 	spin_lock_irqsave(&bank->slock, flags);
228 
229 	con = readl(d->virt_base + reg_con);
230 	con &= ~(mask << shift);
231 	con |= FUNC_INPUT << shift;
232 	writel(con, d->virt_base + reg_con);
233 
234 	spin_unlock_irqrestore(&bank->slock, flags);
235 
236 	gpio_unlock_as_irq(&bank->gpio_chip, irqd->hwirq);
237 }
238 
239 /*
240  * irq_chip for gpio interrupts.
241  */
242 static struct exynos_irq_chip exynos_gpio_irq_chip = {
243 	.chip = {
244 		.name = "exynos_gpio_irq_chip",
245 		.irq_unmask = exynos_irq_unmask,
246 		.irq_mask = exynos_irq_mask,
247 		.irq_ack = exynos_irq_ack,
248 		.irq_set_type = exynos_irq_set_type,
249 		.irq_request_resources = exynos_irq_request_resources,
250 		.irq_release_resources = exynos_irq_release_resources,
251 	},
252 	.eint_con = EXYNOS_GPIO_ECON_OFFSET,
253 	.eint_mask = EXYNOS_GPIO_EMASK_OFFSET,
254 	.eint_pend = EXYNOS_GPIO_EPEND_OFFSET,
255 };
256 
257 static int exynos_gpio_irq_map(struct irq_domain *h, unsigned int virq,
258 					irq_hw_number_t hw)
259 {
260 	struct samsung_pin_bank *b = h->host_data;
261 
262 	irq_set_chip_data(virq, b);
263 	irq_set_chip_and_handler(virq, &exynos_gpio_irq_chip.chip,
264 					handle_level_irq);
265 	set_irq_flags(virq, IRQF_VALID);
266 	return 0;
267 }
268 
269 /*
270  * irq domain callbacks for external gpio interrupt controller.
271  */
272 static const struct irq_domain_ops exynos_gpio_irqd_ops = {
273 	.map	= exynos_gpio_irq_map,
274 	.xlate	= irq_domain_xlate_twocell,
275 };
276 
277 static irqreturn_t exynos_eint_gpio_irq(int irq, void *data)
278 {
279 	struct samsung_pinctrl_drv_data *d = data;
280 	struct samsung_pin_ctrl *ctrl = d->ctrl;
281 	struct samsung_pin_bank *bank = ctrl->pin_banks;
282 	unsigned int svc, group, pin, virq;
283 
284 	svc = readl(d->virt_base + EXYNOS_SVC_OFFSET);
285 	group = EXYNOS_SVC_GROUP(svc);
286 	pin = svc & EXYNOS_SVC_NUM_MASK;
287 
288 	if (!group)
289 		return IRQ_HANDLED;
290 	bank += (group - 1);
291 
292 	virq = irq_linear_revmap(bank->irq_domain, pin);
293 	if (!virq)
294 		return IRQ_NONE;
295 	generic_handle_irq(virq);
296 	return IRQ_HANDLED;
297 }
298 
299 struct exynos_eint_gpio_save {
300 	u32 eint_con;
301 	u32 eint_fltcon0;
302 	u32 eint_fltcon1;
303 };
304 
305 /*
306  * exynos_eint_gpio_init() - setup handling of external gpio interrupts.
307  * @d: driver data of samsung pinctrl driver.
308  */
309 static int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d)
310 {
311 	struct samsung_pin_bank *bank;
312 	struct device *dev = d->dev;
313 	int ret;
314 	int i;
315 
316 	if (!d->irq) {
317 		dev_err(dev, "irq number not available\n");
318 		return -EINVAL;
319 	}
320 
321 	ret = devm_request_irq(dev, d->irq, exynos_eint_gpio_irq,
322 					0, dev_name(dev), d);
323 	if (ret) {
324 		dev_err(dev, "irq request failed\n");
325 		return -ENXIO;
326 	}
327 
328 	bank = d->ctrl->pin_banks;
329 	for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) {
330 		if (bank->eint_type != EINT_TYPE_GPIO)
331 			continue;
332 		bank->irq_domain = irq_domain_add_linear(bank->of_node,
333 				bank->nr_pins, &exynos_gpio_irqd_ops, bank);
334 		if (!bank->irq_domain) {
335 			dev_err(dev, "gpio irq domain add failed\n");
336 			ret = -ENXIO;
337 			goto err_domains;
338 		}
339 
340 		bank->soc_priv = devm_kzalloc(d->dev,
341 			sizeof(struct exynos_eint_gpio_save), GFP_KERNEL);
342 		if (!bank->soc_priv) {
343 			irq_domain_remove(bank->irq_domain);
344 			ret = -ENOMEM;
345 			goto err_domains;
346 		}
347 	}
348 
349 	return 0;
350 
351 err_domains:
352 	for (--i, --bank; i >= 0; --i, --bank) {
353 		if (bank->eint_type != EINT_TYPE_GPIO)
354 			continue;
355 		irq_domain_remove(bank->irq_domain);
356 	}
357 
358 	return ret;
359 }
360 
361 static u32 exynos_eint_wake_mask = 0xffffffff;
362 
363 u32 exynos_get_eint_wake_mask(void)
364 {
365 	return exynos_eint_wake_mask;
366 }
367 
368 static int exynos_wkup_irq_set_wake(struct irq_data *irqd, unsigned int on)
369 {
370 	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
371 	unsigned long bit = 1UL << (2 * bank->eint_offset + irqd->hwirq);
372 
373 	pr_info("wake %s for irq %d\n", on ? "enabled" : "disabled", irqd->irq);
374 
375 	if (!on)
376 		exynos_eint_wake_mask |= bit;
377 	else
378 		exynos_eint_wake_mask &= ~bit;
379 
380 	return 0;
381 }
382 
383 /*
384  * irq_chip for wakeup interrupts
385  */
386 static struct exynos_irq_chip exynos_wkup_irq_chip = {
387 	.chip = {
388 		.name = "exynos_wkup_irq_chip",
389 		.irq_unmask = exynos_irq_unmask,
390 		.irq_mask = exynos_irq_mask,
391 		.irq_ack = exynos_irq_ack,
392 		.irq_set_type = exynos_irq_set_type,
393 		.irq_set_wake = exynos_wkup_irq_set_wake,
394 		.irq_request_resources = exynos_irq_request_resources,
395 		.irq_release_resources = exynos_irq_release_resources,
396 	},
397 	.eint_con = EXYNOS_WKUP_ECON_OFFSET,
398 	.eint_mask = EXYNOS_WKUP_EMASK_OFFSET,
399 	.eint_pend = EXYNOS_WKUP_EPEND_OFFSET,
400 };
401 
402 /* interrupt handler for wakeup interrupts 0..15 */
403 static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
404 {
405 	struct exynos_weint_data *eintd = irq_get_handler_data(irq);
406 	struct samsung_pin_bank *bank = eintd->bank;
407 	struct irq_chip *chip = irq_get_chip(irq);
408 	int eint_irq;
409 
410 	chained_irq_enter(chip, desc);
411 	chip->irq_mask(&desc->irq_data);
412 
413 	if (chip->irq_ack)
414 		chip->irq_ack(&desc->irq_data);
415 
416 	eint_irq = irq_linear_revmap(bank->irq_domain, eintd->irq);
417 	generic_handle_irq(eint_irq);
418 	chip->irq_unmask(&desc->irq_data);
419 	chained_irq_exit(chip, desc);
420 }
421 
422 static inline void exynos_irq_demux_eint(unsigned long pend,
423 						struct irq_domain *domain)
424 {
425 	unsigned int irq;
426 
427 	while (pend) {
428 		irq = fls(pend) - 1;
429 		generic_handle_irq(irq_find_mapping(domain, irq));
430 		pend &= ~(1 << irq);
431 	}
432 }
433 
434 /* interrupt handler for wakeup interrupt 16 */
435 static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
436 {
437 	struct irq_chip *chip = irq_get_chip(irq);
438 	struct exynos_muxed_weint_data *eintd = irq_get_handler_data(irq);
439 	struct samsung_pinctrl_drv_data *d = eintd->banks[0]->drvdata;
440 	unsigned long pend;
441 	unsigned long mask;
442 	int i;
443 
444 	chained_irq_enter(chip, desc);
445 
446 	for (i = 0; i < eintd->nr_banks; ++i) {
447 		struct samsung_pin_bank *b = eintd->banks[i];
448 		pend = readl(d->virt_base + EXYNOS_WKUP_EPEND_OFFSET
449 				+ b->eint_offset);
450 		mask = readl(d->virt_base + EXYNOS_WKUP_EMASK_OFFSET
451 				+ b->eint_offset);
452 		exynos_irq_demux_eint(pend & ~mask, b->irq_domain);
453 	}
454 
455 	chained_irq_exit(chip, desc);
456 }
457 
458 static int exynos_wkup_irq_map(struct irq_domain *h, unsigned int virq,
459 					irq_hw_number_t hw)
460 {
461 	irq_set_chip_and_handler(virq, &exynos_wkup_irq_chip.chip,
462 					handle_level_irq);
463 	irq_set_chip_data(virq, h->host_data);
464 	set_irq_flags(virq, IRQF_VALID);
465 	return 0;
466 }
467 
468 /*
469  * irq domain callbacks for external wakeup interrupt controller.
470  */
471 static const struct irq_domain_ops exynos_wkup_irqd_ops = {
472 	.map	= exynos_wkup_irq_map,
473 	.xlate	= irq_domain_xlate_twocell,
474 };
475 
476 /*
477  * exynos_eint_wkup_init() - setup handling of external wakeup interrupts.
478  * @d: driver data of samsung pinctrl driver.
479  */
480 static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
481 {
482 	struct device *dev = d->dev;
483 	struct device_node *wkup_np = NULL;
484 	struct device_node *np;
485 	struct samsung_pin_bank *bank;
486 	struct exynos_weint_data *weint_data;
487 	struct exynos_muxed_weint_data *muxed_data;
488 	unsigned int muxed_banks = 0;
489 	unsigned int i;
490 	int idx, irq;
491 
492 	for_each_child_of_node(dev->of_node, np) {
493 		if (of_match_node(exynos_wkup_irq_ids, np)) {
494 			wkup_np = np;
495 			break;
496 		}
497 	}
498 	if (!wkup_np)
499 		return -ENODEV;
500 
501 	bank = d->ctrl->pin_banks;
502 	for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) {
503 		if (bank->eint_type != EINT_TYPE_WKUP)
504 			continue;
505 
506 		bank->irq_domain = irq_domain_add_linear(bank->of_node,
507 				bank->nr_pins, &exynos_wkup_irqd_ops, bank);
508 		if (!bank->irq_domain) {
509 			dev_err(dev, "wkup irq domain add failed\n");
510 			return -ENXIO;
511 		}
512 
513 		if (!of_find_property(bank->of_node, "interrupts", NULL)) {
514 			bank->eint_type = EINT_TYPE_WKUP_MUX;
515 			++muxed_banks;
516 			continue;
517 		}
518 
519 		weint_data = devm_kzalloc(dev, bank->nr_pins
520 					* sizeof(*weint_data), GFP_KERNEL);
521 		if (!weint_data) {
522 			dev_err(dev, "could not allocate memory for weint_data\n");
523 			return -ENOMEM;
524 		}
525 
526 		for (idx = 0; idx < bank->nr_pins; ++idx) {
527 			irq = irq_of_parse_and_map(bank->of_node, idx);
528 			if (!irq) {
529 				dev_err(dev, "irq number for eint-%s-%d not found\n",
530 							bank->name, idx);
531 				continue;
532 			}
533 			weint_data[idx].irq = idx;
534 			weint_data[idx].bank = bank;
535 			irq_set_handler_data(irq, &weint_data[idx]);
536 			irq_set_chained_handler(irq, exynos_irq_eint0_15);
537 		}
538 	}
539 
540 	if (!muxed_banks)
541 		return 0;
542 
543 	irq = irq_of_parse_and_map(wkup_np, 0);
544 	if (!irq) {
545 		dev_err(dev, "irq number for muxed EINTs not found\n");
546 		return 0;
547 	}
548 
549 	muxed_data = devm_kzalloc(dev, sizeof(*muxed_data)
550 		+ muxed_banks*sizeof(struct samsung_pin_bank *), GFP_KERNEL);
551 	if (!muxed_data) {
552 		dev_err(dev, "could not allocate memory for muxed_data\n");
553 		return -ENOMEM;
554 	}
555 
556 	irq_set_chained_handler(irq, exynos_irq_demux_eint16_31);
557 	irq_set_handler_data(irq, muxed_data);
558 
559 	bank = d->ctrl->pin_banks;
560 	idx = 0;
561 	for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) {
562 		if (bank->eint_type != EINT_TYPE_WKUP_MUX)
563 			continue;
564 
565 		muxed_data->banks[idx++] = bank;
566 	}
567 	muxed_data->nr_banks = muxed_banks;
568 
569 	return 0;
570 }
571 
572 static void exynos_pinctrl_suspend_bank(
573 				struct samsung_pinctrl_drv_data *drvdata,
574 				struct samsung_pin_bank *bank)
575 {
576 	struct exynos_eint_gpio_save *save = bank->soc_priv;
577 	void __iomem *regs = drvdata->virt_base;
578 
579 	save->eint_con = readl(regs + EXYNOS_GPIO_ECON_OFFSET
580 						+ bank->eint_offset);
581 	save->eint_fltcon0 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
582 						+ 2 * bank->eint_offset);
583 	save->eint_fltcon1 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
584 						+ 2 * bank->eint_offset + 4);
585 
586 	pr_debug("%s: save     con %#010x\n", bank->name, save->eint_con);
587 	pr_debug("%s: save fltcon0 %#010x\n", bank->name, save->eint_fltcon0);
588 	pr_debug("%s: save fltcon1 %#010x\n", bank->name, save->eint_fltcon1);
589 }
590 
591 static void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata)
592 {
593 	struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
594 	struct samsung_pin_bank *bank = ctrl->pin_banks;
595 	int i;
596 
597 	for (i = 0; i < ctrl->nr_banks; ++i, ++bank)
598 		if (bank->eint_type == EINT_TYPE_GPIO)
599 			exynos_pinctrl_suspend_bank(drvdata, bank);
600 }
601 
602 static void exynos_pinctrl_resume_bank(
603 				struct samsung_pinctrl_drv_data *drvdata,
604 				struct samsung_pin_bank *bank)
605 {
606 	struct exynos_eint_gpio_save *save = bank->soc_priv;
607 	void __iomem *regs = drvdata->virt_base;
608 
609 	pr_debug("%s:     con %#010x => %#010x\n", bank->name,
610 			readl(regs + EXYNOS_GPIO_ECON_OFFSET
611 			+ bank->eint_offset), save->eint_con);
612 	pr_debug("%s: fltcon0 %#010x => %#010x\n", bank->name,
613 			readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
614 			+ 2 * bank->eint_offset), save->eint_fltcon0);
615 	pr_debug("%s: fltcon1 %#010x => %#010x\n", bank->name,
616 			readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
617 			+ 2 * bank->eint_offset + 4), save->eint_fltcon1);
618 
619 	writel(save->eint_con, regs + EXYNOS_GPIO_ECON_OFFSET
620 						+ bank->eint_offset);
621 	writel(save->eint_fltcon0, regs + EXYNOS_GPIO_EFLTCON_OFFSET
622 						+ 2 * bank->eint_offset);
623 	writel(save->eint_fltcon1, regs + EXYNOS_GPIO_EFLTCON_OFFSET
624 						+ 2 * bank->eint_offset + 4);
625 }
626 
627 static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata)
628 {
629 	struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
630 	struct samsung_pin_bank *bank = ctrl->pin_banks;
631 	int i;
632 
633 	for (i = 0; i < ctrl->nr_banks; ++i, ++bank)
634 		if (bank->eint_type == EINT_TYPE_GPIO)
635 			exynos_pinctrl_resume_bank(drvdata, bank);
636 }
637 
638 /* pin banks of s5pv210 pin-controller */
639 static struct samsung_pin_bank s5pv210_pin_bank[] = {
640 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
641 	EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpa1", 0x04),
642 	EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
643 	EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
644 	EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
645 	EXYNOS_PIN_BANK_EINTG(4, 0x0a0, "gpd0", 0x14),
646 	EXYNOS_PIN_BANK_EINTG(6, 0x0c0, "gpd1", 0x18),
647 	EXYNOS_PIN_BANK_EINTG(8, 0x0e0, "gpe0", 0x1c),
648 	EXYNOS_PIN_BANK_EINTG(5, 0x100, "gpe1", 0x20),
649 	EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpf0", 0x24),
650 	EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpf1", 0x28),
651 	EXYNOS_PIN_BANK_EINTG(8, 0x160, "gpf2", 0x2c),
652 	EXYNOS_PIN_BANK_EINTG(6, 0x180, "gpf3", 0x30),
653 	EXYNOS_PIN_BANK_EINTG(7, 0x1a0, "gpg0", 0x34),
654 	EXYNOS_PIN_BANK_EINTG(7, 0x1c0, "gpg1", 0x38),
655 	EXYNOS_PIN_BANK_EINTG(7, 0x1e0, "gpg2", 0x3c),
656 	EXYNOS_PIN_BANK_EINTG(7, 0x200, "gpg3", 0x40),
657 	EXYNOS_PIN_BANK_EINTN(7, 0x220, "gpi"),
658 	EXYNOS_PIN_BANK_EINTG(8, 0x240, "gpj0", 0x44),
659 	EXYNOS_PIN_BANK_EINTG(6, 0x260, "gpj1", 0x48),
660 	EXYNOS_PIN_BANK_EINTG(8, 0x280, "gpj2", 0x4c),
661 	EXYNOS_PIN_BANK_EINTG(8, 0x2a0, "gpj3", 0x50),
662 	EXYNOS_PIN_BANK_EINTG(5, 0x2c0, "gpj4", 0x54),
663 	EXYNOS_PIN_BANK_EINTN(8, 0x2e0, "mp01"),
664 	EXYNOS_PIN_BANK_EINTN(4, 0x300, "mp02"),
665 	EXYNOS_PIN_BANK_EINTN(8, 0x320, "mp03"),
666 	EXYNOS_PIN_BANK_EINTN(8, 0x340, "mp04"),
667 	EXYNOS_PIN_BANK_EINTN(8, 0x360, "mp05"),
668 	EXYNOS_PIN_BANK_EINTN(8, 0x380, "mp06"),
669 	EXYNOS_PIN_BANK_EINTN(8, 0x3a0, "mp07"),
670 	EXYNOS_PIN_BANK_EINTW(8, 0xc00, "gph0", 0x00),
671 	EXYNOS_PIN_BANK_EINTW(8, 0xc20, "gph1", 0x04),
672 	EXYNOS_PIN_BANK_EINTW(8, 0xc40, "gph2", 0x08),
673 	EXYNOS_PIN_BANK_EINTW(8, 0xc60, "gph3", 0x0c),
674 };
675 
676 struct samsung_pin_ctrl s5pv210_pin_ctrl[] = {
677 	{
678 		/* pin-controller instance 0 data */
679 		.pin_banks	= s5pv210_pin_bank,
680 		.nr_banks	= ARRAY_SIZE(s5pv210_pin_bank),
681 		.eint_gpio_init = exynos_eint_gpio_init,
682 		.eint_wkup_init = exynos_eint_wkup_init,
683 		.suspend	= exynos_pinctrl_suspend,
684 		.resume		= exynos_pinctrl_resume,
685 		.label		= "s5pv210-gpio-ctrl0",
686 	},
687 };
688 
689 /* pin banks of exynos3250 pin-controller 0 */
690 static struct samsung_pin_bank exynos3250_pin_banks0[] = {
691 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
692 	EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
693 	EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb",  0x08),
694 	EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
695 	EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
696 	EXYNOS_PIN_BANK_EINTG(4, 0x0a0, "gpd0", 0x14),
697 	EXYNOS_PIN_BANK_EINTG(4, 0x0c0, "gpd1", 0x18),
698 };
699 
700 /* pin banks of exynos3250 pin-controller 1 */
701 static struct samsung_pin_bank exynos3250_pin_banks1[] = {
702 	EXYNOS_PIN_BANK_EINTN(8, 0x120, "gpe0"),
703 	EXYNOS_PIN_BANK_EINTN(8, 0x140, "gpe1"),
704 	EXYNOS_PIN_BANK_EINTN(3, 0x180, "gpe2"),
705 	EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpk0", 0x08),
706 	EXYNOS_PIN_BANK_EINTG(7, 0x060, "gpk1", 0x0c),
707 	EXYNOS_PIN_BANK_EINTG(7, 0x080, "gpk2", 0x10),
708 	EXYNOS_PIN_BANK_EINTG(4, 0x0c0, "gpl0", 0x18),
709 	EXYNOS_PIN_BANK_EINTG(8, 0x260, "gpm0", 0x24),
710 	EXYNOS_PIN_BANK_EINTG(7, 0x280, "gpm1", 0x28),
711 	EXYNOS_PIN_BANK_EINTG(5, 0x2a0, "gpm2", 0x2c),
712 	EXYNOS_PIN_BANK_EINTG(8, 0x2c0, "gpm3", 0x30),
713 	EXYNOS_PIN_BANK_EINTG(8, 0x2e0, "gpm4", 0x34),
714 	EXYNOS_PIN_BANK_EINTW(8, 0xc00, "gpx0", 0x00),
715 	EXYNOS_PIN_BANK_EINTW(8, 0xc20, "gpx1", 0x04),
716 	EXYNOS_PIN_BANK_EINTW(8, 0xc40, "gpx2", 0x08),
717 	EXYNOS_PIN_BANK_EINTW(8, 0xc60, "gpx3", 0x0c),
718 };
719 
720 /*
721  * Samsung pinctrl driver data for Exynos3250 SoC. Exynos3250 SoC includes
722  * two gpio/pin-mux/pinconfig controllers.
723  */
724 struct samsung_pin_ctrl exynos3250_pin_ctrl[] = {
725 	{
726 		/* pin-controller instance 0 data */
727 		.pin_banks	= exynos3250_pin_banks0,
728 		.nr_banks	= ARRAY_SIZE(exynos3250_pin_banks0),
729 		.eint_gpio_init = exynos_eint_gpio_init,
730 		.suspend	= exynos_pinctrl_suspend,
731 		.resume		= exynos_pinctrl_resume,
732 		.label		= "exynos3250-gpio-ctrl0",
733 	}, {
734 		/* pin-controller instance 1 data */
735 		.pin_banks	= exynos3250_pin_banks1,
736 		.nr_banks	= ARRAY_SIZE(exynos3250_pin_banks1),
737 		.eint_gpio_init = exynos_eint_gpio_init,
738 		.eint_wkup_init = exynos_eint_wkup_init,
739 		.suspend	= exynos_pinctrl_suspend,
740 		.resume		= exynos_pinctrl_resume,
741 		.label		= "exynos3250-gpio-ctrl1",
742 	},
743 };
744 
745 /* pin banks of exynos4210 pin-controller 0 */
746 static struct samsung_pin_bank exynos4210_pin_banks0[] = {
747 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
748 	EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
749 	EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
750 	EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
751 	EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
752 	EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpd0", 0x14),
753 	EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpd1", 0x18),
754 	EXYNOS_PIN_BANK_EINTG(5, 0x0E0, "gpe0", 0x1c),
755 	EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpe1", 0x20),
756 	EXYNOS_PIN_BANK_EINTG(6, 0x120, "gpe2", 0x24),
757 	EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpe3", 0x28),
758 	EXYNOS_PIN_BANK_EINTG(8, 0x160, "gpe4", 0x2c),
759 	EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf0", 0x30),
760 	EXYNOS_PIN_BANK_EINTG(8, 0x1A0, "gpf1", 0x34),
761 	EXYNOS_PIN_BANK_EINTG(8, 0x1C0, "gpf2", 0x38),
762 	EXYNOS_PIN_BANK_EINTG(6, 0x1E0, "gpf3", 0x3c),
763 };
764 
765 /* pin banks of exynos4210 pin-controller 1 */
766 static struct samsung_pin_bank exynos4210_pin_banks1[] = {
767 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpj0", 0x00),
768 	EXYNOS_PIN_BANK_EINTG(5, 0x020, "gpj1", 0x04),
769 	EXYNOS_PIN_BANK_EINTG(7, 0x040, "gpk0", 0x08),
770 	EXYNOS_PIN_BANK_EINTG(7, 0x060, "gpk1", 0x0c),
771 	EXYNOS_PIN_BANK_EINTG(7, 0x080, "gpk2", 0x10),
772 	EXYNOS_PIN_BANK_EINTG(7, 0x0A0, "gpk3", 0x14),
773 	EXYNOS_PIN_BANK_EINTG(8, 0x0C0, "gpl0", 0x18),
774 	EXYNOS_PIN_BANK_EINTG(3, 0x0E0, "gpl1", 0x1c),
775 	EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpl2", 0x20),
776 	EXYNOS_PIN_BANK_EINTN(6, 0x120, "gpy0"),
777 	EXYNOS_PIN_BANK_EINTN(4, 0x140, "gpy1"),
778 	EXYNOS_PIN_BANK_EINTN(6, 0x160, "gpy2"),
779 	EXYNOS_PIN_BANK_EINTN(8, 0x180, "gpy3"),
780 	EXYNOS_PIN_BANK_EINTN(8, 0x1A0, "gpy4"),
781 	EXYNOS_PIN_BANK_EINTN(8, 0x1C0, "gpy5"),
782 	EXYNOS_PIN_BANK_EINTN(8, 0x1E0, "gpy6"),
783 	EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
784 	EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
785 	EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
786 	EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
787 };
788 
789 /* pin banks of exynos4210 pin-controller 2 */
790 static struct samsung_pin_bank exynos4210_pin_banks2[] = {
791 	EXYNOS_PIN_BANK_EINTN(7, 0x000, "gpz"),
792 };
793 
794 /*
795  * Samsung pinctrl driver data for Exynos4210 SoC. Exynos4210 SoC includes
796  * three gpio/pin-mux/pinconfig controllers.
797  */
798 struct samsung_pin_ctrl exynos4210_pin_ctrl[] = {
799 	{
800 		/* pin-controller instance 0 data */
801 		.pin_banks	= exynos4210_pin_banks0,
802 		.nr_banks	= ARRAY_SIZE(exynos4210_pin_banks0),
803 		.eint_gpio_init = exynos_eint_gpio_init,
804 		.suspend	= exynos_pinctrl_suspend,
805 		.resume		= exynos_pinctrl_resume,
806 		.label		= "exynos4210-gpio-ctrl0",
807 	}, {
808 		/* pin-controller instance 1 data */
809 		.pin_banks	= exynos4210_pin_banks1,
810 		.nr_banks	= ARRAY_SIZE(exynos4210_pin_banks1),
811 		.eint_gpio_init = exynos_eint_gpio_init,
812 		.eint_wkup_init = exynos_eint_wkup_init,
813 		.suspend	= exynos_pinctrl_suspend,
814 		.resume		= exynos_pinctrl_resume,
815 		.label		= "exynos4210-gpio-ctrl1",
816 	}, {
817 		/* pin-controller instance 2 data */
818 		.pin_banks	= exynos4210_pin_banks2,
819 		.nr_banks	= ARRAY_SIZE(exynos4210_pin_banks2),
820 		.label		= "exynos4210-gpio-ctrl2",
821 	},
822 };
823 
824 /* pin banks of exynos4x12 pin-controller 0 */
825 static struct samsung_pin_bank exynos4x12_pin_banks0[] = {
826 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
827 	EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
828 	EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
829 	EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
830 	EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
831 	EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpd0", 0x14),
832 	EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpd1", 0x18),
833 	EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf0", 0x30),
834 	EXYNOS_PIN_BANK_EINTG(8, 0x1A0, "gpf1", 0x34),
835 	EXYNOS_PIN_BANK_EINTG(8, 0x1C0, "gpf2", 0x38),
836 	EXYNOS_PIN_BANK_EINTG(6, 0x1E0, "gpf3", 0x3c),
837 	EXYNOS_PIN_BANK_EINTG(8, 0x240, "gpj0", 0x40),
838 	EXYNOS_PIN_BANK_EINTG(5, 0x260, "gpj1", 0x44),
839 };
840 
841 /* pin banks of exynos4x12 pin-controller 1 */
842 static struct samsung_pin_bank exynos4x12_pin_banks1[] = {
843 	EXYNOS_PIN_BANK_EINTG(7, 0x040, "gpk0", 0x08),
844 	EXYNOS_PIN_BANK_EINTG(7, 0x060, "gpk1", 0x0c),
845 	EXYNOS_PIN_BANK_EINTG(7, 0x080, "gpk2", 0x10),
846 	EXYNOS_PIN_BANK_EINTG(7, 0x0A0, "gpk3", 0x14),
847 	EXYNOS_PIN_BANK_EINTG(7, 0x0C0, "gpl0", 0x18),
848 	EXYNOS_PIN_BANK_EINTG(2, 0x0E0, "gpl1", 0x1c),
849 	EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpl2", 0x20),
850 	EXYNOS_PIN_BANK_EINTG(8, 0x260, "gpm0", 0x24),
851 	EXYNOS_PIN_BANK_EINTG(7, 0x280, "gpm1", 0x28),
852 	EXYNOS_PIN_BANK_EINTG(5, 0x2A0, "gpm2", 0x2c),
853 	EXYNOS_PIN_BANK_EINTG(8, 0x2C0, "gpm3", 0x30),
854 	EXYNOS_PIN_BANK_EINTG(8, 0x2E0, "gpm4", 0x34),
855 	EXYNOS_PIN_BANK_EINTN(6, 0x120, "gpy0"),
856 	EXYNOS_PIN_BANK_EINTN(4, 0x140, "gpy1"),
857 	EXYNOS_PIN_BANK_EINTN(6, 0x160, "gpy2"),
858 	EXYNOS_PIN_BANK_EINTN(8, 0x180, "gpy3"),
859 	EXYNOS_PIN_BANK_EINTN(8, 0x1A0, "gpy4"),
860 	EXYNOS_PIN_BANK_EINTN(8, 0x1C0, "gpy5"),
861 	EXYNOS_PIN_BANK_EINTN(8, 0x1E0, "gpy6"),
862 	EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
863 	EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
864 	EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
865 	EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
866 };
867 
868 /* pin banks of exynos4x12 pin-controller 2 */
869 static struct samsung_pin_bank exynos4x12_pin_banks2[] = {
870 	EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00),
871 };
872 
873 /* pin banks of exynos4x12 pin-controller 3 */
874 static struct samsung_pin_bank exynos4x12_pin_banks3[] = {
875 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpv0", 0x00),
876 	EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpv1", 0x04),
877 	EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpv2", 0x08),
878 	EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpv3", 0x0c),
879 	EXYNOS_PIN_BANK_EINTG(2, 0x080, "gpv4", 0x10),
880 };
881 
882 /*
883  * Samsung pinctrl driver data for Exynos4x12 SoC. Exynos4x12 SoC includes
884  * four gpio/pin-mux/pinconfig controllers.
885  */
886 struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
887 	{
888 		/* pin-controller instance 0 data */
889 		.pin_banks	= exynos4x12_pin_banks0,
890 		.nr_banks	= ARRAY_SIZE(exynos4x12_pin_banks0),
891 		.eint_gpio_init = exynos_eint_gpio_init,
892 		.suspend	= exynos_pinctrl_suspend,
893 		.resume		= exynos_pinctrl_resume,
894 		.label		= "exynos4x12-gpio-ctrl0",
895 	}, {
896 		/* pin-controller instance 1 data */
897 		.pin_banks	= exynos4x12_pin_banks1,
898 		.nr_banks	= ARRAY_SIZE(exynos4x12_pin_banks1),
899 		.eint_gpio_init = exynos_eint_gpio_init,
900 		.eint_wkup_init = exynos_eint_wkup_init,
901 		.suspend	= exynos_pinctrl_suspend,
902 		.resume		= exynos_pinctrl_resume,
903 		.label		= "exynos4x12-gpio-ctrl1",
904 	}, {
905 		/* pin-controller instance 2 data */
906 		.pin_banks	= exynos4x12_pin_banks2,
907 		.nr_banks	= ARRAY_SIZE(exynos4x12_pin_banks2),
908 		.eint_gpio_init = exynos_eint_gpio_init,
909 		.suspend	= exynos_pinctrl_suspend,
910 		.resume		= exynos_pinctrl_resume,
911 		.label		= "exynos4x12-gpio-ctrl2",
912 	}, {
913 		/* pin-controller instance 3 data */
914 		.pin_banks	= exynos4x12_pin_banks3,
915 		.nr_banks	= ARRAY_SIZE(exynos4x12_pin_banks3),
916 		.eint_gpio_init = exynos_eint_gpio_init,
917 		.suspend	= exynos_pinctrl_suspend,
918 		.resume		= exynos_pinctrl_resume,
919 		.label		= "exynos4x12-gpio-ctrl3",
920 	},
921 };
922 
923 /* pin banks of exynos5250 pin-controller 0 */
924 static struct samsung_pin_bank exynos5250_pin_banks0[] = {
925 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
926 	EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
927 	EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpa2", 0x08),
928 	EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpb0", 0x0c),
929 	EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpb1", 0x10),
930 	EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpb2", 0x14),
931 	EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpb3", 0x18),
932 	EXYNOS_PIN_BANK_EINTG(7, 0x0E0, "gpc0", 0x1c),
933 	EXYNOS_PIN_BANK_EINTG(4, 0x100, "gpc1", 0x20),
934 	EXYNOS_PIN_BANK_EINTG(7, 0x120, "gpc2", 0x24),
935 	EXYNOS_PIN_BANK_EINTG(7, 0x140, "gpc3", 0x28),
936 	EXYNOS_PIN_BANK_EINTG(4, 0x160, "gpd0", 0x2c),
937 	EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpd1", 0x30),
938 	EXYNOS_PIN_BANK_EINTG(7, 0x2E0, "gpc4", 0x34),
939 	EXYNOS_PIN_BANK_EINTN(6, 0x1A0, "gpy0"),
940 	EXYNOS_PIN_BANK_EINTN(4, 0x1C0, "gpy1"),
941 	EXYNOS_PIN_BANK_EINTN(6, 0x1E0, "gpy2"),
942 	EXYNOS_PIN_BANK_EINTN(8, 0x200, "gpy3"),
943 	EXYNOS_PIN_BANK_EINTN(8, 0x220, "gpy4"),
944 	EXYNOS_PIN_BANK_EINTN(8, 0x240, "gpy5"),
945 	EXYNOS_PIN_BANK_EINTN(8, 0x260, "gpy6"),
946 	EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
947 	EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
948 	EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
949 	EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
950 };
951 
952 /* pin banks of exynos5250 pin-controller 1 */
953 static struct samsung_pin_bank exynos5250_pin_banks1[] = {
954 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpe0", 0x00),
955 	EXYNOS_PIN_BANK_EINTG(2, 0x020, "gpe1", 0x04),
956 	EXYNOS_PIN_BANK_EINTG(4, 0x040, "gpf0", 0x08),
957 	EXYNOS_PIN_BANK_EINTG(4, 0x060, "gpf1", 0x0c),
958 	EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpg0", 0x10),
959 	EXYNOS_PIN_BANK_EINTG(8, 0x0A0, "gpg1", 0x14),
960 	EXYNOS_PIN_BANK_EINTG(2, 0x0C0, "gpg2", 0x18),
961 	EXYNOS_PIN_BANK_EINTG(4, 0x0E0, "gph0", 0x1c),
962 	EXYNOS_PIN_BANK_EINTG(8, 0x100, "gph1", 0x20),
963 };
964 
965 /* pin banks of exynos5250 pin-controller 2 */
966 static struct samsung_pin_bank exynos5250_pin_banks2[] = {
967 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpv0", 0x00),
968 	EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpv1", 0x04),
969 	EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpv2", 0x08),
970 	EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpv3", 0x0c),
971 	EXYNOS_PIN_BANK_EINTG(2, 0x0C0, "gpv4", 0x10),
972 };
973 
974 /* pin banks of exynos5250 pin-controller 3 */
975 static struct samsung_pin_bank exynos5250_pin_banks3[] = {
976 	EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00),
977 };
978 
979 /*
980  * Samsung pinctrl driver data for Exynos5250 SoC. Exynos5250 SoC includes
981  * four gpio/pin-mux/pinconfig controllers.
982  */
983 struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
984 	{
985 		/* pin-controller instance 0 data */
986 		.pin_banks	= exynos5250_pin_banks0,
987 		.nr_banks	= ARRAY_SIZE(exynos5250_pin_banks0),
988 		.eint_gpio_init = exynos_eint_gpio_init,
989 		.eint_wkup_init = exynos_eint_wkup_init,
990 		.suspend	= exynos_pinctrl_suspend,
991 		.resume		= exynos_pinctrl_resume,
992 		.label		= "exynos5250-gpio-ctrl0",
993 	}, {
994 		/* pin-controller instance 1 data */
995 		.pin_banks	= exynos5250_pin_banks1,
996 		.nr_banks	= ARRAY_SIZE(exynos5250_pin_banks1),
997 		.eint_gpio_init = exynos_eint_gpio_init,
998 		.suspend	= exynos_pinctrl_suspend,
999 		.resume		= exynos_pinctrl_resume,
1000 		.label		= "exynos5250-gpio-ctrl1",
1001 	}, {
1002 		/* pin-controller instance 2 data */
1003 		.pin_banks	= exynos5250_pin_banks2,
1004 		.nr_banks	= ARRAY_SIZE(exynos5250_pin_banks2),
1005 		.eint_gpio_init = exynos_eint_gpio_init,
1006 		.suspend	= exynos_pinctrl_suspend,
1007 		.resume		= exynos_pinctrl_resume,
1008 		.label		= "exynos5250-gpio-ctrl2",
1009 	}, {
1010 		/* pin-controller instance 3 data */
1011 		.pin_banks	= exynos5250_pin_banks3,
1012 		.nr_banks	= ARRAY_SIZE(exynos5250_pin_banks3),
1013 		.eint_gpio_init = exynos_eint_gpio_init,
1014 		.suspend	= exynos_pinctrl_suspend,
1015 		.resume		= exynos_pinctrl_resume,
1016 		.label		= "exynos5250-gpio-ctrl3",
1017 	},
1018 };
1019 
1020 /* pin banks of exynos5260 pin-controller 0 */
1021 static struct samsung_pin_bank exynos5260_pin_banks0[] = {
1022 	EXYNOS_PIN_BANK_EINTG(4, 0x000, "gpa0", 0x00),
1023 	EXYNOS_PIN_BANK_EINTG(7, 0x020, "gpa1", 0x04),
1024 	EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpa2", 0x08),
1025 	EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpb0", 0x0c),
1026 	EXYNOS_PIN_BANK_EINTG(4, 0x080, "gpb1", 0x10),
1027 	EXYNOS_PIN_BANK_EINTG(5, 0x0a0, "gpb2", 0x14),
1028 	EXYNOS_PIN_BANK_EINTG(8, 0x0c0, "gpb3", 0x18),
1029 	EXYNOS_PIN_BANK_EINTG(8, 0x0e0, "gpb4", 0x1c),
1030 	EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpb5", 0x20),
1031 	EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpd0", 0x24),
1032 	EXYNOS_PIN_BANK_EINTG(7, 0x140, "gpd1", 0x28),
1033 	EXYNOS_PIN_BANK_EINTG(5, 0x160, "gpd2", 0x2c),
1034 	EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpe0", 0x30),
1035 	EXYNOS_PIN_BANK_EINTG(5, 0x1a0, "gpe1", 0x34),
1036 	EXYNOS_PIN_BANK_EINTG(4, 0x1c0, "gpf0", 0x38),
1037 	EXYNOS_PIN_BANK_EINTG(8, 0x1e0, "gpf1", 0x3c),
1038 	EXYNOS_PIN_BANK_EINTG(2, 0x200, "gpk0", 0x40),
1039 	EXYNOS_PIN_BANK_EINTW(8, 0xc00, "gpx0", 0x00),
1040 	EXYNOS_PIN_BANK_EINTW(8, 0xc20, "gpx1", 0x04),
1041 	EXYNOS_PIN_BANK_EINTW(8, 0xc40, "gpx2", 0x08),
1042 	EXYNOS_PIN_BANK_EINTW(8, 0xc60, "gpx3", 0x0c),
1043 };
1044 
1045 /* pin banks of exynos5260 pin-controller 1 */
1046 static struct samsung_pin_bank exynos5260_pin_banks1[] = {
1047 	EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpc0", 0x00),
1048 	EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpc1", 0x04),
1049 	EXYNOS_PIN_BANK_EINTG(7, 0x040, "gpc2", 0x08),
1050 	EXYNOS_PIN_BANK_EINTG(4, 0x060, "gpc3", 0x0c),
1051 	EXYNOS_PIN_BANK_EINTG(4, 0x080, "gpc4", 0x10),
1052 };
1053 
1054 /* pin banks of exynos5260 pin-controller 2 */
1055 static struct samsung_pin_bank exynos5260_pin_banks2[] = {
1056 	EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00),
1057 	EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04),
1058 };
1059 
1060 /*
1061  * Samsung pinctrl driver data for Exynos5260 SoC. Exynos5260 SoC includes
1062  * three gpio/pin-mux/pinconfig controllers.
1063  */
1064 struct samsung_pin_ctrl exynos5260_pin_ctrl[] = {
1065 	{
1066 		/* pin-controller instance 0 data */
1067 		.pin_banks	= exynos5260_pin_banks0,
1068 		.nr_banks	= ARRAY_SIZE(exynos5260_pin_banks0),
1069 		.eint_gpio_init = exynos_eint_gpio_init,
1070 		.eint_wkup_init = exynos_eint_wkup_init,
1071 		.label		= "exynos5260-gpio-ctrl0",
1072 	}, {
1073 		/* pin-controller instance 1 data */
1074 		.pin_banks	= exynos5260_pin_banks1,
1075 		.nr_banks	= ARRAY_SIZE(exynos5260_pin_banks1),
1076 		.eint_gpio_init = exynos_eint_gpio_init,
1077 		.label		= "exynos5260-gpio-ctrl1",
1078 	}, {
1079 		/* pin-controller instance 2 data */
1080 		.pin_banks	= exynos5260_pin_banks2,
1081 		.nr_banks	= ARRAY_SIZE(exynos5260_pin_banks2),
1082 		.eint_gpio_init = exynos_eint_gpio_init,
1083 		.label		= "exynos5260-gpio-ctrl2",
1084 	},
1085 };
1086 
1087 /* pin banks of exynos5420 pin-controller 0 */
1088 static struct samsung_pin_bank exynos5420_pin_banks0[] = {
1089 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpy7", 0x00),
1090 	EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
1091 	EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
1092 	EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
1093 	EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
1094 };
1095 
1096 /* pin banks of exynos5420 pin-controller 1 */
1097 static struct samsung_pin_bank exynos5420_pin_banks1[] = {
1098 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpc0", 0x00),
1099 	EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpc1", 0x04),
1100 	EXYNOS_PIN_BANK_EINTG(7, 0x040, "gpc2", 0x08),
1101 	EXYNOS_PIN_BANK_EINTG(4, 0x060, "gpc3", 0x0c),
1102 	EXYNOS_PIN_BANK_EINTG(2, 0x080, "gpc4", 0x10),
1103 	EXYNOS_PIN_BANK_EINTG(8, 0x0A0, "gpd1", 0x14),
1104 	EXYNOS_PIN_BANK_EINTN(6, 0x0C0, "gpy0"),
1105 	EXYNOS_PIN_BANK_EINTN(4, 0x0E0, "gpy1"),
1106 	EXYNOS_PIN_BANK_EINTN(6, 0x100, "gpy2"),
1107 	EXYNOS_PIN_BANK_EINTN(8, 0x120, "gpy3"),
1108 	EXYNOS_PIN_BANK_EINTN(8, 0x140, "gpy4"),
1109 	EXYNOS_PIN_BANK_EINTN(8, 0x160, "gpy5"),
1110 	EXYNOS_PIN_BANK_EINTN(8, 0x180, "gpy6"),
1111 };
1112 
1113 /* pin banks of exynos5420 pin-controller 2 */
1114 static struct samsung_pin_bank exynos5420_pin_banks2[] = {
1115 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpe0", 0x00),
1116 	EXYNOS_PIN_BANK_EINTG(2, 0x020, "gpe1", 0x04),
1117 	EXYNOS_PIN_BANK_EINTG(6, 0x040, "gpf0", 0x08),
1118 	EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpf1", 0x0c),
1119 	EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpg0", 0x10),
1120 	EXYNOS_PIN_BANK_EINTG(8, 0x0A0, "gpg1", 0x14),
1121 	EXYNOS_PIN_BANK_EINTG(2, 0x0C0, "gpg2", 0x18),
1122 	EXYNOS_PIN_BANK_EINTG(4, 0x0E0, "gpj4", 0x1c),
1123 };
1124 
1125 /* pin banks of exynos5420 pin-controller 3 */
1126 static struct samsung_pin_bank exynos5420_pin_banks3[] = {
1127 	EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
1128 	EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
1129 	EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpa2", 0x08),
1130 	EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpb0", 0x0c),
1131 	EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpb1", 0x10),
1132 	EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpb2", 0x14),
1133 	EXYNOS_PIN_BANK_EINTG(8, 0x0C0, "gpb3", 0x18),
1134 	EXYNOS_PIN_BANK_EINTG(2, 0x0E0, "gpb4", 0x1c),
1135 	EXYNOS_PIN_BANK_EINTG(8, 0x100, "gph0", 0x20),
1136 };
1137 
1138 /* pin banks of exynos5420 pin-controller 4 */
1139 static struct samsung_pin_bank exynos5420_pin_banks4[] = {
1140 	EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00),
1141 };
1142 
1143 /*
1144  * Samsung pinctrl driver data for Exynos5420 SoC. Exynos5420 SoC includes
1145  * four gpio/pin-mux/pinconfig controllers.
1146  */
1147 struct samsung_pin_ctrl exynos5420_pin_ctrl[] = {
1148 	{
1149 		/* pin-controller instance 0 data */
1150 		.pin_banks	= exynos5420_pin_banks0,
1151 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks0),
1152 		.eint_gpio_init = exynos_eint_gpio_init,
1153 		.eint_wkup_init = exynos_eint_wkup_init,
1154 		.label		= "exynos5420-gpio-ctrl0",
1155 	}, {
1156 		/* pin-controller instance 1 data */
1157 		.pin_banks	= exynos5420_pin_banks1,
1158 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks1),
1159 		.eint_gpio_init = exynos_eint_gpio_init,
1160 		.label		= "exynos5420-gpio-ctrl1",
1161 	}, {
1162 		/* pin-controller instance 2 data */
1163 		.pin_banks	= exynos5420_pin_banks2,
1164 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks2),
1165 		.eint_gpio_init = exynos_eint_gpio_init,
1166 		.label		= "exynos5420-gpio-ctrl2",
1167 	}, {
1168 		/* pin-controller instance 3 data */
1169 		.pin_banks	= exynos5420_pin_banks3,
1170 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks3),
1171 		.eint_gpio_init = exynos_eint_gpio_init,
1172 		.label		= "exynos5420-gpio-ctrl3",
1173 	}, {
1174 		/* pin-controller instance 4 data */
1175 		.pin_banks	= exynos5420_pin_banks4,
1176 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks4),
1177 		.eint_gpio_init = exynos_eint_gpio_init,
1178 		.label		= "exynos5420-gpio-ctrl4",
1179 	},
1180 };
1181