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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / pinctrl / pinctrl-exynos.c
blob155b1b3a0e7a71597d26d3c0c1cab2a525a9ee19
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
37 static struct samsung_pin_bank_type bank_type_off = {
38 .fld_width = { 4, 1, 2, 2, 2, 2, },
39 .reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, },
40 };
41
42 static struct samsung_pin_bank_type bank_type_alive = {
43 .fld_width = { 4, 1, 2, 2, },
44 .reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
45 };
46
47 /* list of external wakeup controllers supported */
48 static const struct of_device_id exynos_wkup_irq_ids[] = {
49 { .compatible = "samsung,exynos4210-wakeup-eint", },
50 { }
51 };
52
53 static void exynos_gpio_irq_mask(struct irq_data *irqd)
54 {
55 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
56 struct samsung_pinctrl_drv_data *d = bank->drvdata;
57 unsigned long reg_mask = d->ctrl->geint_mask + bank->eint_offset;
58 unsigned long mask;
59 unsigned long flags;
60
61 spin_lock_irqsave(&bank->slock, flags);
62
63 mask = readl(d->virt_base + reg_mask);
64 mask |= 1 << irqd->hwirq;
65 writel(mask, d->virt_base + reg_mask);
66
67 spin_unlock_irqrestore(&bank->slock, flags);
68 }
69
70 static void exynos_gpio_irq_ack(struct irq_data *irqd)
71 {
72 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
73 struct samsung_pinctrl_drv_data *d = bank->drvdata;
74 unsigned long reg_pend = d->ctrl->geint_pend + bank->eint_offset;
75
76 writel(1 << irqd->hwirq, d->virt_base + reg_pend);
77 }
78
79 static void exynos_gpio_irq_unmask(struct irq_data *irqd)
80 {
81 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
82 struct samsung_pinctrl_drv_data *d = bank->drvdata;
83 unsigned long reg_mask = d->ctrl->geint_mask + bank->eint_offset;
84 unsigned long mask;
85 unsigned long flags;
86
87 /*
88 * Ack level interrupts right before unmask
89 *
90 * If we don't do this we'll get a double-interrupt. Level triggered
91 * interrupts must not fire an interrupt if the level is not
92 * _currently_ active, even if it was active while the interrupt was
93 * masked.
94 */
95 if (irqd_get_trigger_type(irqd) & IRQ_TYPE_LEVEL_MASK)
96 exynos_gpio_irq_ack(irqd);
97
98 spin_lock_irqsave(&bank->slock, flags);
99
100 mask = readl(d->virt_base + reg_mask);
101 mask &= ~(1 << irqd->hwirq);
102 writel(mask, d->virt_base + reg_mask);
103
104 spin_unlock_irqrestore(&bank->slock, flags);
105 }
106
107 static int exynos_gpio_irq_set_type(struct irq_data *irqd, unsigned int type)
108 {
109 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
110 struct samsung_pin_bank_type *bank_type = bank->type;
111 struct samsung_pinctrl_drv_data *d = bank->drvdata;
112 struct samsung_pin_ctrl *ctrl = d->ctrl;
113 unsigned int pin = irqd->hwirq;
114 unsigned int shift = EXYNOS_EINT_CON_LEN * pin;
115 unsigned int con, trig_type;
116 unsigned long reg_con = ctrl->geint_con + bank->eint_offset;
117 unsigned long flags;
118 unsigned int mask;
119
120 switch (type) {
121 case IRQ_TYPE_EDGE_RISING:
122 trig_type = EXYNOS_EINT_EDGE_RISING;
123 break;
124 case IRQ_TYPE_EDGE_FALLING:
125 trig_type = EXYNOS_EINT_EDGE_FALLING;
126 break;
127 case IRQ_TYPE_EDGE_BOTH:
128 trig_type = EXYNOS_EINT_EDGE_BOTH;
129 break;
130 case IRQ_TYPE_LEVEL_HIGH:
131 trig_type = EXYNOS_EINT_LEVEL_HIGH;
132 break;
133 case IRQ_TYPE_LEVEL_LOW:
134 trig_type = EXYNOS_EINT_LEVEL_LOW;
135 break;
136 default:
137 pr_err("unsupported external interrupt type\n");
138 return -EINVAL;
139 }
140
141 if (type & IRQ_TYPE_EDGE_BOTH)
142 __irq_set_handler_locked(irqd->irq, handle_edge_irq);
143 else
144 __irq_set_handler_locked(irqd->irq, handle_level_irq);
145
146 con = readl(d->virt_base + reg_con);
147 con &= ~(EXYNOS_EINT_CON_MASK << shift);
148 con |= trig_type << shift;
149 writel(con, d->virt_base + reg_con);
150
151 reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC];
152 shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC];
153 mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
154
155 spin_lock_irqsave(&bank->slock, flags);
156
157 con = readl(d->virt_base + reg_con);
158 con &= ~(mask << shift);
159 con |= EXYNOS_EINT_FUNC << shift;
160 writel(con, d->virt_base + reg_con);
161
162 spin_unlock_irqrestore(&bank->slock, flags);
163
164 return 0;
165 }
166
167 /*
168 * irq_chip for gpio interrupts.
169 */
170 static struct irq_chip exynos_gpio_irq_chip = {
171 .name = "exynos_gpio_irq_chip",
172 .irq_unmask = exynos_gpio_irq_unmask,
173 .irq_mask = exynos_gpio_irq_mask,
174 .irq_ack = exynos_gpio_irq_ack,
175 .irq_set_type = exynos_gpio_irq_set_type,
176 };
177
178 static int exynos_gpio_irq_map(struct irq_domain *h, unsigned int virq,
179 irq_hw_number_t hw)
180 {
181 struct samsung_pin_bank *b = h->host_data;
182
183 irq_set_chip_data(virq, b);
184 irq_set_chip_and_handler(virq, &exynos_gpio_irq_chip,
185 handle_level_irq);
186 set_irq_flags(virq, IRQF_VALID);
187 return 0;
188 }
189
190 /*
191 * irq domain callbacks for external gpio interrupt controller.
192 */
193 static const struct irq_domain_ops exynos_gpio_irqd_ops = {
194 .map = exynos_gpio_irq_map,
195 .xlate = irq_domain_xlate_twocell,
196 };
197
198 static irqreturn_t exynos_eint_gpio_irq(int irq, void *data)
199 {
200 struct samsung_pinctrl_drv_data *d = data;
201 struct samsung_pin_ctrl *ctrl = d->ctrl;
202 struct samsung_pin_bank *bank = ctrl->pin_banks;
203 unsigned int svc, group, pin, virq;
204
205 svc = readl(d->virt_base + ctrl->svc);
206 group = EXYNOS_SVC_GROUP(svc);
207 pin = svc & EXYNOS_SVC_NUM_MASK;
208
209 if (!group)
210 return IRQ_HANDLED;
211 bank += (group - 1);
212
213 virq = irq_linear_revmap(bank->irq_domain, pin);
214 if (!virq)
215 return IRQ_NONE;
216 generic_handle_irq(virq);
217 return IRQ_HANDLED;
218 }
219
220 struct exynos_eint_gpio_save {
221 u32 eint_con;
222 u32 eint_fltcon0;
223 u32 eint_fltcon1;
224 };
225
226 /*
227 * exynos_eint_gpio_init() - setup handling of external gpio interrupts.
228 * @d: driver data of samsung pinctrl driver.
229 */
230 static int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d)
231 {
232 struct samsung_pin_bank *bank;
233 struct device *dev = d->dev;
234 int ret;
235 int i;
236
237 if (!d->irq) {
238 dev_err(dev, "irq number not available\n");
239 return -EINVAL;
240 }
241
242 ret = devm_request_irq(dev, d->irq, exynos_eint_gpio_irq,
243 0, dev_name(dev), d);
244 if (ret) {
245 dev_err(dev, "irq request failed\n");
246 return -ENXIO;
247 }
248
249 bank = d->ctrl->pin_banks;
250 for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) {
251 if (bank->eint_type != EINT_TYPE_GPIO)
252 continue;
253 bank->irq_domain = irq_domain_add_linear(bank->of_node,
254 bank->nr_pins, &exynos_gpio_irqd_ops, bank);
255 if (!bank->irq_domain) {
256 dev_err(dev, "gpio irq domain add failed\n");
257 ret = -ENXIO;
258 goto err_domains;
259 }
260
261 bank->soc_priv = devm_kzalloc(d->dev,
262 sizeof(struct exynos_eint_gpio_save), GFP_KERNEL);
263 if (!bank->soc_priv) {
264 irq_domain_remove(bank->irq_domain);
265 ret = -ENOMEM;
266 goto err_domains;
267 }
268 }
269
270 return 0;
271
272 err_domains:
273 for (--i, --bank; i >= 0; --i, --bank) {
274 if (bank->eint_type != EINT_TYPE_GPIO)
275 continue;
276 irq_domain_remove(bank->irq_domain);
277 }
278
279 return ret;
280 }
281
282 static void exynos_wkup_irq_mask(struct irq_data *irqd)
283 {
284 struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
285 struct samsung_pinctrl_drv_data *d = b->drvdata;
286 unsigned long reg_mask = d->ctrl->weint_mask + b->eint_offset;
287 unsigned long mask;
288 unsigned long flags;
289
290 spin_lock_irqsave(&b->slock, flags);
291
292 mask = readl(d->virt_base + reg_mask);
293 mask |= 1 << irqd->hwirq;
294 writel(mask, d->virt_base + reg_mask);
295
296 spin_unlock_irqrestore(&b->slock, flags);
297 }
298
299 static void exynos_wkup_irq_ack(struct irq_data *irqd)
300 {
301 struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
302 struct samsung_pinctrl_drv_data *d = b->drvdata;
303 unsigned long pend = d->ctrl->weint_pend + b->eint_offset;
304
305 writel(1 << irqd->hwirq, d->virt_base + pend);
306 }
307
308 static void exynos_wkup_irq_unmask(struct irq_data *irqd)
309 {
310 struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
311 struct samsung_pinctrl_drv_data *d = b->drvdata;
312 unsigned long reg_mask = d->ctrl->weint_mask + b->eint_offset;
313 unsigned long mask;
314 unsigned long flags;
315
316 /*
317 * Ack level interrupts right before unmask
318 *
319 * If we don't do this we'll get a double-interrupt. Level triggered
320 * interrupts must not fire an interrupt if the level is not
321 * _currently_ active, even if it was active while the interrupt was
322 * masked.
323 */
324 if (irqd_get_trigger_type(irqd) & IRQ_TYPE_LEVEL_MASK)
325 exynos_wkup_irq_ack(irqd);
326
327 spin_lock_irqsave(&b->slock, flags);
328
329 mask = readl(d->virt_base + reg_mask);
330 mask &= ~(1 << irqd->hwirq);
331 writel(mask, d->virt_base + reg_mask);
332
333 spin_unlock_irqrestore(&b->slock, flags);
334 }
335
336 static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type)
337 {
338 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
339 struct samsung_pin_bank_type *bank_type = bank->type;
340 struct samsung_pinctrl_drv_data *d = bank->drvdata;
341 unsigned int pin = irqd->hwirq;
342 unsigned long reg_con = d->ctrl->weint_con + bank->eint_offset;
343 unsigned long shift = EXYNOS_EINT_CON_LEN * pin;
344 unsigned long con, trig_type;
345 unsigned long flags;
346 unsigned int mask;
347
348 switch (type) {
349 case IRQ_TYPE_EDGE_RISING:
350 trig_type = EXYNOS_EINT_EDGE_RISING;
351 break;
352 case IRQ_TYPE_EDGE_FALLING:
353 trig_type = EXYNOS_EINT_EDGE_FALLING;
354 break;
355 case IRQ_TYPE_EDGE_BOTH:
356 trig_type = EXYNOS_EINT_EDGE_BOTH;
357 break;
358 case IRQ_TYPE_LEVEL_HIGH:
359 trig_type = EXYNOS_EINT_LEVEL_HIGH;
360 break;
361 case IRQ_TYPE_LEVEL_LOW:
362 trig_type = EXYNOS_EINT_LEVEL_LOW;
363 break;
364 default:
365 pr_err("unsupported external interrupt type\n");
366 return -EINVAL;
367 }
368
369 if (type & IRQ_TYPE_EDGE_BOTH)
370 __irq_set_handler_locked(irqd->irq, handle_edge_irq);
371 else
372 __irq_set_handler_locked(irqd->irq, handle_level_irq);
373
374 con = readl(d->virt_base + reg_con);
375 con &= ~(EXYNOS_EINT_CON_MASK << shift);
376 con |= trig_type << shift;
377 writel(con, d->virt_base + reg_con);
378
379 reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC];
380 shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC];
381 mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
382
383 spin_lock_irqsave(&bank->slock, flags);
384
385 con = readl(d->virt_base + reg_con);
386 con &= ~(mask << shift);
387 con |= EXYNOS_EINT_FUNC << shift;
388 writel(con, d->virt_base + reg_con);
389
390 spin_unlock_irqrestore(&bank->slock, flags);
391
392 return 0;
393 }
394
395 static u32 exynos_eint_wake_mask = 0xffffffff;
396
397 u32 exynos_get_eint_wake_mask(void)
398 {
399 return exynos_eint_wake_mask;
400 }
401
402 static int exynos_wkup_irq_set_wake(struct irq_data *irqd, unsigned int on)
403 {
404 struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
405 unsigned long bit = 1UL << (2 * bank->eint_offset + irqd->hwirq);
406
407 pr_info("wake %s for irq %d\n", on ? "enabled" : "disabled", irqd->irq);
408
409 if (!on)
410 exynos_eint_wake_mask |= bit;
411 else
412 exynos_eint_wake_mask &= ~bit;
413
414 return 0;
415 }
416
417 /*
418 * irq_chip for wakeup interrupts
419 */
420 static struct irq_chip exynos_wkup_irq_chip = {
421 .name = "exynos_wkup_irq_chip",
422 .irq_unmask = exynos_wkup_irq_unmask,
423 .irq_mask = exynos_wkup_irq_mask,
424 .irq_ack = exynos_wkup_irq_ack,
425 .irq_set_type = exynos_wkup_irq_set_type,
426 .irq_set_wake = exynos_wkup_irq_set_wake,
427 };
428
429 /* interrupt handler for wakeup interrupts 0..15 */
430 static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
431 {
432 struct exynos_weint_data *eintd = irq_get_handler_data(irq);
433 struct samsung_pin_bank *bank = eintd->bank;
434 struct irq_chip *chip = irq_get_chip(irq);
435 int eint_irq;
436
437 chained_irq_enter(chip, desc);
438 chip->irq_mask(&desc->irq_data);
439
440 if (chip->irq_ack)
441 chip->irq_ack(&desc->irq_data);
442
443 eint_irq = irq_linear_revmap(bank->irq_domain, eintd->irq);
444 generic_handle_irq(eint_irq);
445 chip->irq_unmask(&desc->irq_data);
446 chained_irq_exit(chip, desc);
447 }
448
449 static inline void exynos_irq_demux_eint(unsigned long pend,
450 struct irq_domain *domain)
451 {
452 unsigned int irq;
453
454 while (pend) {
455 irq = fls(pend) - 1;
456 generic_handle_irq(irq_find_mapping(domain, irq));
457 pend &= ~(1 << irq);
458 }
459 }
460
461 /* interrupt handler for wakeup interrupt 16 */
462 static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
463 {
464 struct irq_chip *chip = irq_get_chip(irq);
465 struct exynos_muxed_weint_data *eintd = irq_get_handler_data(irq);
466 struct samsung_pinctrl_drv_data *d = eintd->banks[0]->drvdata;
467 struct samsung_pin_ctrl *ctrl = d->ctrl;
468 unsigned long pend;
469 unsigned long mask;
470 int i;
471
472 chained_irq_enter(chip, desc);
473
474 for (i = 0; i < eintd->nr_banks; ++i) {
475 struct samsung_pin_bank *b = eintd->banks[i];
476 pend = readl(d->virt_base + ctrl->weint_pend + b->eint_offset);
477 mask = readl(d->virt_base + ctrl->weint_mask + b->eint_offset);
478 exynos_irq_demux_eint(pend & ~mask, b->irq_domain);
479 }
480
481 chained_irq_exit(chip, desc);
482 }
483
484 static int exynos_wkup_irq_map(struct irq_domain *h, unsigned int virq,
485 irq_hw_number_t hw)
486 {
487 irq_set_chip_and_handler(virq, &exynos_wkup_irq_chip, handle_level_irq);
488 irq_set_chip_data(virq, h->host_data);
489 set_irq_flags(virq, IRQF_VALID);
490 return 0;
491 }
492
493 /*
494 * irq domain callbacks for external wakeup interrupt controller.
495 */
496 static const struct irq_domain_ops exynos_wkup_irqd_ops = {
497 .map = exynos_wkup_irq_map,
498 .xlate = irq_domain_xlate_twocell,
499 };
500
501 /*
502 * exynos_eint_wkup_init() - setup handling of external wakeup interrupts.
503 * @d: driver data of samsung pinctrl driver.
504 */
505 static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
506 {
507 struct device *dev = d->dev;
508 struct device_node *wkup_np = NULL;
509 struct device_node *np;
510 struct samsung_pin_bank *bank;
511 struct exynos_weint_data *weint_data;
512 struct exynos_muxed_weint_data *muxed_data;
513 unsigned int muxed_banks = 0;
514 unsigned int i;
515 int idx, irq;
516
517 for_each_child_of_node(dev->of_node, np) {
518 if (of_match_node(exynos_wkup_irq_ids, np)) {
519 wkup_np = np;
520 break;
521 }
522 }
523 if (!wkup_np)
524 return -ENODEV;
525
526 bank = d->ctrl->pin_banks;
527 for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) {
528 if (bank->eint_type != EINT_TYPE_WKUP)
529 continue;
530
531 bank->irq_domain = irq_domain_add_linear(bank->of_node,
532 bank->nr_pins, &exynos_wkup_irqd_ops, bank);
533 if (!bank->irq_domain) {
534 dev_err(dev, "wkup irq domain add failed\n");
535 return -ENXIO;
536 }
537
538 if (!of_find_property(bank->of_node, "interrupts", NULL)) {
539 bank->eint_type = EINT_TYPE_WKUP_MUX;
540 ++muxed_banks;
541 continue;
542 }
543
544 weint_data = devm_kzalloc(dev, bank->nr_pins
545 * sizeof(*weint_data), GFP_KERNEL);
546 if (!weint_data) {
547 dev_err(dev, "could not allocate memory for weint_data\n");
548 return -ENOMEM;
549 }
550
551 for (idx = 0; idx < bank->nr_pins; ++idx) {
552 irq = irq_of_parse_and_map(bank->of_node, idx);
553 if (!irq) {
554 dev_err(dev, "irq number for eint-%s-%d not found\n",
555 bank->name, idx);
556 continue;
557 }
558 weint_data[idx].irq = idx;
559 weint_data[idx].bank = bank;
560 irq_set_handler_data(irq, &weint_data[idx]);
561 irq_set_chained_handler(irq, exynos_irq_eint0_15);
562 }
563 }
564
565 if (!muxed_banks)
566 return 0;
567
568 irq = irq_of_parse_and_map(wkup_np, 0);
569 if (!irq) {
570 dev_err(dev, "irq number for muxed EINTs not found\n");
571 return 0;
572 }
573
574 muxed_data = devm_kzalloc(dev, sizeof(*muxed_data)
575 + muxed_banks*sizeof(struct samsung_pin_bank *), GFP_KERNEL);
576 if (!muxed_data) {
577 dev_err(dev, "could not allocate memory for muxed_data\n");
578 return -ENOMEM;
579 }
580
581 irq_set_chained_handler(irq, exynos_irq_demux_eint16_31);
582 irq_set_handler_data(irq, muxed_data);
583
584 bank = d->ctrl->pin_banks;
585 idx = 0;
586 for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) {
587 if (bank->eint_type != EINT_TYPE_WKUP_MUX)
588 continue;
589
590 muxed_data->banks[idx++] = bank;
591 }
592 muxed_data->nr_banks = muxed_banks;
593
594 return 0;
595 }
596
597 static void exynos_pinctrl_suspend_bank(
598 struct samsung_pinctrl_drv_data *drvdata,
599 struct samsung_pin_bank *bank)
600 {
601 struct exynos_eint_gpio_save *save = bank->soc_priv;
602 void __iomem *regs = drvdata->virt_base;
603
604 save->eint_con = readl(regs + EXYNOS_GPIO_ECON_OFFSET
605 + bank->eint_offset);
606 save->eint_fltcon0 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
607 + 2 * bank->eint_offset);
608 save->eint_fltcon1 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
609 + 2 * bank->eint_offset + 4);
610
611 pr_debug("%s: save con %#010x\n", bank->name, save->eint_con);
612 pr_debug("%s: save fltcon0 %#010x\n", bank->name, save->eint_fltcon0);
613 pr_debug("%s: save fltcon1 %#010x\n", bank->name, save->eint_fltcon1);
614 }
615
616 static void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata)
617 {
618 struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
619 struct samsung_pin_bank *bank = ctrl->pin_banks;
620 int i;
621
622 for (i = 0; i < ctrl->nr_banks; ++i, ++bank)
623 if (bank->eint_type == EINT_TYPE_GPIO)
624 exynos_pinctrl_suspend_bank(drvdata, bank);
625 }
626
627 static void exynos_pinctrl_resume_bank(
628 struct samsung_pinctrl_drv_data *drvdata,
629 struct samsung_pin_bank *bank)
630 {
631 struct exynos_eint_gpio_save *save = bank->soc_priv;
632 void __iomem *regs = drvdata->virt_base;
633
634 pr_debug("%s: con %#010x => %#010x\n", bank->name,
635 readl(regs + EXYNOS_GPIO_ECON_OFFSET
636 + bank->eint_offset), save->eint_con);
637 pr_debug("%s: fltcon0 %#010x => %#010x\n", bank->name,
638 readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
639 + 2 * bank->eint_offset), save->eint_fltcon0);
640 pr_debug("%s: fltcon1 %#010x => %#010x\n", bank->name,
641 readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
642 + 2 * bank->eint_offset + 4), save->eint_fltcon1);
643
644 writel(save->eint_con, regs + EXYNOS_GPIO_ECON_OFFSET
645 + bank->eint_offset);
646 writel(save->eint_fltcon0, regs + EXYNOS_GPIO_EFLTCON_OFFSET
647 + 2 * bank->eint_offset);
648 writel(save->eint_fltcon1, regs + EXYNOS_GPIO_EFLTCON_OFFSET
649 + 2 * bank->eint_offset + 4);
650 }
651
652 static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata)
653 {
654 struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
655 struct samsung_pin_bank *bank = ctrl->pin_banks;
656 int i;
657
658 for (i = 0; i < ctrl->nr_banks; ++i, ++bank)
659 if (bank->eint_type == EINT_TYPE_GPIO)
660 exynos_pinctrl_resume_bank(drvdata, bank);
661 }
662
663 /* pin banks of s5pv210 pin-controller */
664 static struct samsung_pin_bank s5pv210_pin_bank[] = {
665 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
666 EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpa1", 0x04),
667 EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
668 EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
669 EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
670 EXYNOS_PIN_BANK_EINTG(4, 0x0a0, "gpd0", 0x14),
671 EXYNOS_PIN_BANK_EINTG(6, 0x0c0, "gpd1", 0x18),
672 EXYNOS_PIN_BANK_EINTG(8, 0x0e0, "gpe0", 0x1c),
673 EXYNOS_PIN_BANK_EINTG(5, 0x100, "gpe1", 0x20),
674 EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpf0", 0x24),
675 EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpf1", 0x28),
676 EXYNOS_PIN_BANK_EINTG(8, 0x160, "gpf2", 0x2c),
677 EXYNOS_PIN_BANK_EINTG(6, 0x180, "gpf3", 0x30),
678 EXYNOS_PIN_BANK_EINTG(7, 0x1a0, "gpg0", 0x34),
679 EXYNOS_PIN_BANK_EINTG(7, 0x1c0, "gpg1", 0x38),
680 EXYNOS_PIN_BANK_EINTG(7, 0x1e0, "gpg2", 0x3c),
681 EXYNOS_PIN_BANK_EINTG(7, 0x200, "gpg3", 0x40),
682 EXYNOS_PIN_BANK_EINTN(7, 0x220, "gpi"),
683 EXYNOS_PIN_BANK_EINTG(8, 0x240, "gpj0", 0x44),
684 EXYNOS_PIN_BANK_EINTG(6, 0x260, "gpj1", 0x48),
685 EXYNOS_PIN_BANK_EINTG(8, 0x280, "gpj2", 0x4c),
686 EXYNOS_PIN_BANK_EINTG(8, 0x2a0, "gpj3", 0x50),
687 EXYNOS_PIN_BANK_EINTG(5, 0x2c0, "gpj4", 0x54),
688 EXYNOS_PIN_BANK_EINTN(8, 0x2e0, "mp01"),
689 EXYNOS_PIN_BANK_EINTN(4, 0x300, "mp02"),
690 EXYNOS_PIN_BANK_EINTN(8, 0x320, "mp03"),
691 EXYNOS_PIN_BANK_EINTN(8, 0x340, "mp04"),
692 EXYNOS_PIN_BANK_EINTN(8, 0x360, "mp05"),
693 EXYNOS_PIN_BANK_EINTN(8, 0x380, "mp06"),
694 EXYNOS_PIN_BANK_EINTN(8, 0x3a0, "mp07"),
695 EXYNOS_PIN_BANK_EINTW(8, 0xc00, "gph0", 0x00),
696 EXYNOS_PIN_BANK_EINTW(8, 0xc20, "gph1", 0x04),
697 EXYNOS_PIN_BANK_EINTW(8, 0xc40, "gph2", 0x08),
698 EXYNOS_PIN_BANK_EINTW(8, 0xc60, "gph3", 0x0c),
699 };
700
701 struct samsung_pin_ctrl s5pv210_pin_ctrl[] = {
702 {
703 /* pin-controller instance 0 data */
704 .pin_banks = s5pv210_pin_bank,
705 .nr_banks = ARRAY_SIZE(s5pv210_pin_bank),
706 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
707 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
708 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
709 .weint_con = EXYNOS_WKUP_ECON_OFFSET,
710 .weint_mask = EXYNOS_WKUP_EMASK_OFFSET,
711 .weint_pend = EXYNOS_WKUP_EPEND_OFFSET,
712 .svc = EXYNOS_SVC_OFFSET,
713 .eint_gpio_init = exynos_eint_gpio_init,
714 .eint_wkup_init = exynos_eint_wkup_init,
715 .suspend = exynos_pinctrl_suspend,
716 .resume = exynos_pinctrl_resume,
717 .label = "s5pv210-gpio-ctrl0",
718 },
719 };
720
721 /* pin banks of exynos4210 pin-controller 0 */
722 static struct samsung_pin_bank exynos4210_pin_banks0[] = {
723 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
724 EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
725 EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
726 EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
727 EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
728 EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpd0", 0x14),
729 EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpd1", 0x18),
730 EXYNOS_PIN_BANK_EINTG(5, 0x0E0, "gpe0", 0x1c),
731 EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpe1", 0x20),
732 EXYNOS_PIN_BANK_EINTG(6, 0x120, "gpe2", 0x24),
733 EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpe3", 0x28),
734 EXYNOS_PIN_BANK_EINTG(8, 0x160, "gpe4", 0x2c),
735 EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf0", 0x30),
736 EXYNOS_PIN_BANK_EINTG(8, 0x1A0, "gpf1", 0x34),
737 EXYNOS_PIN_BANK_EINTG(8, 0x1C0, "gpf2", 0x38),
738 EXYNOS_PIN_BANK_EINTG(6, 0x1E0, "gpf3", 0x3c),
739 };
740
741 /* pin banks of exynos4210 pin-controller 1 */
742 static struct samsung_pin_bank exynos4210_pin_banks1[] = {
743 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpj0", 0x00),
744 EXYNOS_PIN_BANK_EINTG(5, 0x020, "gpj1", 0x04),
745 EXYNOS_PIN_BANK_EINTG(7, 0x040, "gpk0", 0x08),
746 EXYNOS_PIN_BANK_EINTG(7, 0x060, "gpk1", 0x0c),
747 EXYNOS_PIN_BANK_EINTG(7, 0x080, "gpk2", 0x10),
748 EXYNOS_PIN_BANK_EINTG(7, 0x0A0, "gpk3", 0x14),
749 EXYNOS_PIN_BANK_EINTG(8, 0x0C0, "gpl0", 0x18),
750 EXYNOS_PIN_BANK_EINTG(3, 0x0E0, "gpl1", 0x1c),
751 EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpl2", 0x20),
752 EXYNOS_PIN_BANK_EINTN(6, 0x120, "gpy0"),
753 EXYNOS_PIN_BANK_EINTN(4, 0x140, "gpy1"),
754 EXYNOS_PIN_BANK_EINTN(6, 0x160, "gpy2"),
755 EXYNOS_PIN_BANK_EINTN(8, 0x180, "gpy3"),
756 EXYNOS_PIN_BANK_EINTN(8, 0x1A0, "gpy4"),
757 EXYNOS_PIN_BANK_EINTN(8, 0x1C0, "gpy5"),
758 EXYNOS_PIN_BANK_EINTN(8, 0x1E0, "gpy6"),
759 EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
760 EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
761 EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
762 EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
763 };
764
765 /* pin banks of exynos4210 pin-controller 2 */
766 static struct samsung_pin_bank exynos4210_pin_banks2[] = {
767 EXYNOS_PIN_BANK_EINTN(7, 0x000, "gpz"),
768 };
769
770 /*
771 * Samsung pinctrl driver data for Exynos4210 SoC. Exynos4210 SoC includes
772 * three gpio/pin-mux/pinconfig controllers.
773 */
774 struct samsung_pin_ctrl exynos4210_pin_ctrl[] = {
775 {
776 /* pin-controller instance 0 data */
777 .pin_banks = exynos4210_pin_banks0,
778 .nr_banks = ARRAY_SIZE(exynos4210_pin_banks0),
779 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
780 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
781 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
782 .svc = EXYNOS_SVC_OFFSET,
783 .eint_gpio_init = exynos_eint_gpio_init,
784 .suspend = exynos_pinctrl_suspend,
785 .resume = exynos_pinctrl_resume,
786 .label = "exynos4210-gpio-ctrl0",
787 }, {
788 /* pin-controller instance 1 data */
789 .pin_banks = exynos4210_pin_banks1,
790 .nr_banks = ARRAY_SIZE(exynos4210_pin_banks1),
791 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
792 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
793 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
794 .weint_con = EXYNOS_WKUP_ECON_OFFSET,
795 .weint_mask = EXYNOS_WKUP_EMASK_OFFSET,
796 .weint_pend = EXYNOS_WKUP_EPEND_OFFSET,
797 .svc = EXYNOS_SVC_OFFSET,
798 .eint_gpio_init = exynos_eint_gpio_init,
799 .eint_wkup_init = exynos_eint_wkup_init,
800 .suspend = exynos_pinctrl_suspend,
801 .resume = exynos_pinctrl_resume,
802 .label = "exynos4210-gpio-ctrl1",
803 }, {
804 /* pin-controller instance 2 data */
805 .pin_banks = exynos4210_pin_banks2,
806 .nr_banks = ARRAY_SIZE(exynos4210_pin_banks2),
807 .label = "exynos4210-gpio-ctrl2",
808 },
809 };
810
811 /* pin banks of exynos4x12 pin-controller 0 */
812 static struct samsung_pin_bank exynos4x12_pin_banks0[] = {
813 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
814 EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
815 EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
816 EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
817 EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
818 EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpd0", 0x14),
819 EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpd1", 0x18),
820 EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf0", 0x30),
821 EXYNOS_PIN_BANK_EINTG(8, 0x1A0, "gpf1", 0x34),
822 EXYNOS_PIN_BANK_EINTG(8, 0x1C0, "gpf2", 0x38),
823 EXYNOS_PIN_BANK_EINTG(6, 0x1E0, "gpf3", 0x3c),
824 EXYNOS_PIN_BANK_EINTG(8, 0x240, "gpj0", 0x40),
825 EXYNOS_PIN_BANK_EINTG(5, 0x260, "gpj1", 0x44),
826 };
827
828 /* pin banks of exynos4x12 pin-controller 1 */
829 static struct samsung_pin_bank exynos4x12_pin_banks1[] = {
830 EXYNOS_PIN_BANK_EINTG(7, 0x040, "gpk0", 0x08),
831 EXYNOS_PIN_BANK_EINTG(7, 0x060, "gpk1", 0x0c),
832 EXYNOS_PIN_BANK_EINTG(7, 0x080, "gpk2", 0x10),
833 EXYNOS_PIN_BANK_EINTG(7, 0x0A0, "gpk3", 0x14),
834 EXYNOS_PIN_BANK_EINTG(7, 0x0C0, "gpl0", 0x18),
835 EXYNOS_PIN_BANK_EINTG(2, 0x0E0, "gpl1", 0x1c),
836 EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpl2", 0x20),
837 EXYNOS_PIN_BANK_EINTG(8, 0x260, "gpm0", 0x24),
838 EXYNOS_PIN_BANK_EINTG(7, 0x280, "gpm1", 0x28),
839 EXYNOS_PIN_BANK_EINTG(5, 0x2A0, "gpm2", 0x2c),
840 EXYNOS_PIN_BANK_EINTG(8, 0x2C0, "gpm3", 0x30),
841 EXYNOS_PIN_BANK_EINTG(8, 0x2E0, "gpm4", 0x34),
842 EXYNOS_PIN_BANK_EINTN(6, 0x120, "gpy0"),
843 EXYNOS_PIN_BANK_EINTN(4, 0x140, "gpy1"),
844 EXYNOS_PIN_BANK_EINTN(6, 0x160, "gpy2"),
845 EXYNOS_PIN_BANK_EINTN(8, 0x180, "gpy3"),
846 EXYNOS_PIN_BANK_EINTN(8, 0x1A0, "gpy4"),
847 EXYNOS_PIN_BANK_EINTN(8, 0x1C0, "gpy5"),
848 EXYNOS_PIN_BANK_EINTN(8, 0x1E0, "gpy6"),
849 EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
850 EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
851 EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
852 EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
853 };
854
855 /* pin banks of exynos4x12 pin-controller 2 */
856 static struct samsung_pin_bank exynos4x12_pin_banks2[] = {
857 EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00),
858 };
859
860 /* pin banks of exynos4x12 pin-controller 3 */
861 static struct samsung_pin_bank exynos4x12_pin_banks3[] = {
862 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpv0", 0x00),
863 EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpv1", 0x04),
864 EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpv2", 0x08),
865 EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpv3", 0x0c),
866 EXYNOS_PIN_BANK_EINTG(2, 0x080, "gpv4", 0x10),
867 };
868
869 /*
870 * Samsung pinctrl driver data for Exynos4x12 SoC. Exynos4x12 SoC includes
871 * four gpio/pin-mux/pinconfig controllers.
872 */
873 struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
874 {
875 /* pin-controller instance 0 data */
876 .pin_banks = exynos4x12_pin_banks0,
877 .nr_banks = ARRAY_SIZE(exynos4x12_pin_banks0),
878 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
879 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
880 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
881 .svc = EXYNOS_SVC_OFFSET,
882 .eint_gpio_init = exynos_eint_gpio_init,
883 .suspend = exynos_pinctrl_suspend,
884 .resume = exynos_pinctrl_resume,
885 .label = "exynos4x12-gpio-ctrl0",
886 }, {
887 /* pin-controller instance 1 data */
888 .pin_banks = exynos4x12_pin_banks1,
889 .nr_banks = ARRAY_SIZE(exynos4x12_pin_banks1),
890 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
891 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
892 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
893 .weint_con = EXYNOS_WKUP_ECON_OFFSET,
894 .weint_mask = EXYNOS_WKUP_EMASK_OFFSET,
895 .weint_pend = EXYNOS_WKUP_EPEND_OFFSET,
896 .svc = EXYNOS_SVC_OFFSET,
897 .eint_gpio_init = exynos_eint_gpio_init,
898 .eint_wkup_init = exynos_eint_wkup_init,
899 .suspend = exynos_pinctrl_suspend,
900 .resume = exynos_pinctrl_resume,
901 .label = "exynos4x12-gpio-ctrl1",
902 }, {
903 /* pin-controller instance 2 data */
904 .pin_banks = exynos4x12_pin_banks2,
905 .nr_banks = ARRAY_SIZE(exynos4x12_pin_banks2),
906 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
907 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
908 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
909 .svc = EXYNOS_SVC_OFFSET,
910 .eint_gpio_init = exynos_eint_gpio_init,
911 .suspend = exynos_pinctrl_suspend,
912 .resume = exynos_pinctrl_resume,
913 .label = "exynos4x12-gpio-ctrl2",
914 }, {
915 /* pin-controller instance 3 data */
916 .pin_banks = exynos4x12_pin_banks3,
917 .nr_banks = ARRAY_SIZE(exynos4x12_pin_banks3),
918 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
919 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
920 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
921 .svc = EXYNOS_SVC_OFFSET,
922 .eint_gpio_init = exynos_eint_gpio_init,
923 .suspend = exynos_pinctrl_suspend,
924 .resume = exynos_pinctrl_resume,
925 .label = "exynos4x12-gpio-ctrl3",
926 },
927 };
928
929 /* pin banks of exynos5250 pin-controller 0 */
930 static struct samsung_pin_bank exynos5250_pin_banks0[] = {
931 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
932 EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
933 EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpa2", 0x08),
934 EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpb0", 0x0c),
935 EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpb1", 0x10),
936 EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpb2", 0x14),
937 EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpb3", 0x18),
938 EXYNOS_PIN_BANK_EINTG(7, 0x0E0, "gpc0", 0x1c),
939 EXYNOS_PIN_BANK_EINTG(4, 0x100, "gpc1", 0x20),
940 EXYNOS_PIN_BANK_EINTG(7, 0x120, "gpc2", 0x24),
941 EXYNOS_PIN_BANK_EINTG(7, 0x140, "gpc3", 0x28),
942 EXYNOS_PIN_BANK_EINTG(4, 0x160, "gpd0", 0x2c),
943 EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpd1", 0x30),
944 EXYNOS_PIN_BANK_EINTG(7, 0x2E0, "gpc4", 0x34),
945 EXYNOS_PIN_BANK_EINTN(6, 0x1A0, "gpy0"),
946 EXYNOS_PIN_BANK_EINTN(4, 0x1C0, "gpy1"),
947 EXYNOS_PIN_BANK_EINTN(6, 0x1E0, "gpy2"),
948 EXYNOS_PIN_BANK_EINTN(8, 0x200, "gpy3"),
949 EXYNOS_PIN_BANK_EINTN(8, 0x220, "gpy4"),
950 EXYNOS_PIN_BANK_EINTN(8, 0x240, "gpy5"),
951 EXYNOS_PIN_BANK_EINTN(8, 0x260, "gpy6"),
952 EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
953 EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
954 EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
955 EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
956 };
957
958 /* pin banks of exynos5250 pin-controller 1 */
959 static struct samsung_pin_bank exynos5250_pin_banks1[] = {
960 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpe0", 0x00),
961 EXYNOS_PIN_BANK_EINTG(2, 0x020, "gpe1", 0x04),
962 EXYNOS_PIN_BANK_EINTG(4, 0x040, "gpf0", 0x08),
963 EXYNOS_PIN_BANK_EINTG(4, 0x060, "gpf1", 0x0c),
964 EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpg0", 0x10),
965 EXYNOS_PIN_BANK_EINTG(8, 0x0A0, "gpg1", 0x14),
966 EXYNOS_PIN_BANK_EINTG(2, 0x0C0, "gpg2", 0x18),
967 EXYNOS_PIN_BANK_EINTG(4, 0x0E0, "gph0", 0x1c),
968 EXYNOS_PIN_BANK_EINTG(8, 0x100, "gph1", 0x20),
969 };
970
971 /* pin banks of exynos5250 pin-controller 2 */
972 static struct samsung_pin_bank exynos5250_pin_banks2[] = {
973 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpv0", 0x00),
974 EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpv1", 0x04),
975 EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpv2", 0x08),
976 EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpv3", 0x0c),
977 EXYNOS_PIN_BANK_EINTG(2, 0x0C0, "gpv4", 0x10),
978 };
979
980 /* pin banks of exynos5250 pin-controller 3 */
981 static struct samsung_pin_bank exynos5250_pin_banks3[] = {
982 EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00),
983 };
984
985 /*
986 * Samsung pinctrl driver data for Exynos5250 SoC. Exynos5250 SoC includes
987 * four gpio/pin-mux/pinconfig controllers.
988 */
989 struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
990 {
991 /* pin-controller instance 0 data */
992 .pin_banks = exynos5250_pin_banks0,
993 .nr_banks = ARRAY_SIZE(exynos5250_pin_banks0),
994 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
995 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
996 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
997 .weint_con = EXYNOS_WKUP_ECON_OFFSET,
998 .weint_mask = EXYNOS_WKUP_EMASK_OFFSET,
999 .weint_pend = EXYNOS_WKUP_EPEND_OFFSET,
1000 .svc = EXYNOS_SVC_OFFSET,
1001 .eint_gpio_init = exynos_eint_gpio_init,
1002 .eint_wkup_init = exynos_eint_wkup_init,
1003 .suspend = exynos_pinctrl_suspend,
1004 .resume = exynos_pinctrl_resume,
1005 .label = "exynos5250-gpio-ctrl0",
1006 }, {
1007 /* pin-controller instance 1 data */
1008 .pin_banks = exynos5250_pin_banks1,
1009 .nr_banks = ARRAY_SIZE(exynos5250_pin_banks1),
1010 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
1011 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
1012 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
1013 .svc = EXYNOS_SVC_OFFSET,
1014 .eint_gpio_init = exynos_eint_gpio_init,
1015 .suspend = exynos_pinctrl_suspend,
1016 .resume = exynos_pinctrl_resume,
1017 .label = "exynos5250-gpio-ctrl1",
1018 }, {
1019 /* pin-controller instance 2 data */
1020 .pin_banks = exynos5250_pin_banks2,
1021 .nr_banks = ARRAY_SIZE(exynos5250_pin_banks2),
1022 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
1023 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
1024 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
1025 .svc = EXYNOS_SVC_OFFSET,
1026 .eint_gpio_init = exynos_eint_gpio_init,
1027 .suspend = exynos_pinctrl_suspend,
1028 .resume = exynos_pinctrl_resume,
1029 .label = "exynos5250-gpio-ctrl2",
1030 }, {
1031 /* pin-controller instance 3 data */
1032 .pin_banks = exynos5250_pin_banks3,
1033 .nr_banks = ARRAY_SIZE(exynos5250_pin_banks3),
1034 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
1035 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
1036 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
1037 .svc = EXYNOS_SVC_OFFSET,
1038 .eint_gpio_init = exynos_eint_gpio_init,
1039 .suspend = exynos_pinctrl_suspend,
1040 .resume = exynos_pinctrl_resume,
1041 .label = "exynos5250-gpio-ctrl3",
1042 },
1043 };
1044
1045 /* pin banks of exynos5420 pin-controller 0 */
1046 static struct samsung_pin_bank exynos5420_pin_banks0[] = {
1047 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpy7", 0x00),
1048 EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
1049 EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
1050 EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
1051 EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
1052 };
1053
1054 /* pin banks of exynos5420 pin-controller 1 */
1055 static struct samsung_pin_bank exynos5420_pin_banks1[] = {
1056 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpc0", 0x00),
1057 EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpc1", 0x04),
1058 EXYNOS_PIN_BANK_EINTG(7, 0x040, "gpc2", 0x08),
1059 EXYNOS_PIN_BANK_EINTG(4, 0x060, "gpc3", 0x0c),
1060 EXYNOS_PIN_BANK_EINTG(2, 0x080, "gpc4", 0x10),
1061 EXYNOS_PIN_BANK_EINTG(8, 0x0A0, "gpd1", 0x14),
1062 EXYNOS_PIN_BANK_EINTN(6, 0x0C0, "gpy0"),
1063 EXYNOS_PIN_BANK_EINTN(4, 0x0E0, "gpy1"),
1064 EXYNOS_PIN_BANK_EINTN(6, 0x100, "gpy2"),
1065 EXYNOS_PIN_BANK_EINTN(8, 0x120, "gpy3"),
1066 EXYNOS_PIN_BANK_EINTN(8, 0x140, "gpy4"),
1067 EXYNOS_PIN_BANK_EINTN(8, 0x160, "gpy5"),
1068 EXYNOS_PIN_BANK_EINTN(8, 0x180, "gpy6"),
1069 };
1070
1071 /* pin banks of exynos5420 pin-controller 2 */
1072 static struct samsung_pin_bank exynos5420_pin_banks2[] = {
1073 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpe0", 0x00),
1074 EXYNOS_PIN_BANK_EINTG(2, 0x020, "gpe1", 0x04),
1075 EXYNOS_PIN_BANK_EINTG(6, 0x040, "gpf0", 0x08),
1076 EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpf1", 0x0c),
1077 EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpg0", 0x10),
1078 EXYNOS_PIN_BANK_EINTG(8, 0x0A0, "gpg1", 0x14),
1079 EXYNOS_PIN_BANK_EINTG(2, 0x0C0, "gpg2", 0x18),
1080 EXYNOS_PIN_BANK_EINTG(4, 0x0E0, "gpj4", 0x1c),
1081 };
1082
1083 /* pin banks of exynos5420 pin-controller 3 */
1084 static struct samsung_pin_bank exynos5420_pin_banks3[] = {
1085 EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
1086 EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
1087 EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpa2", 0x08),
1088 EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpb0", 0x0c),
1089 EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpb1", 0x10),
1090 EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpb2", 0x14),
1091 EXYNOS_PIN_BANK_EINTG(8, 0x0C0, "gpb3", 0x18),
1092 EXYNOS_PIN_BANK_EINTG(2, 0x0E0, "gpb4", 0x1c),
1093 EXYNOS_PIN_BANK_EINTG(8, 0x100, "gph0", 0x20),
1094 };
1095
1096 /* pin banks of exynos5420 pin-controller 4 */
1097 static struct samsung_pin_bank exynos5420_pin_banks4[] = {
1098 EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00),
1099 };
1100
1101 /*
1102 * Samsung pinctrl driver data for Exynos5420 SoC. Exynos5420 SoC includes
1103 * four gpio/pin-mux/pinconfig controllers.
1104 */
1105 struct samsung_pin_ctrl exynos5420_pin_ctrl[] = {
1106 {
1107 /* pin-controller instance 0 data */
1108 .pin_banks = exynos5420_pin_banks0,
1109 .nr_banks = ARRAY_SIZE(exynos5420_pin_banks0),
1110 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
1111 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
1112 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
1113 .weint_con = EXYNOS_WKUP_ECON_OFFSET,
1114 .weint_mask = EXYNOS_WKUP_EMASK_OFFSET,
1115 .weint_pend = EXYNOS_WKUP_EPEND_OFFSET,
1116 .svc = EXYNOS_SVC_OFFSET,
1117 .eint_gpio_init = exynos_eint_gpio_init,
1118 .eint_wkup_init = exynos_eint_wkup_init,
1119 .label = "exynos5420-gpio-ctrl0",
1120 }, {
1121 /* pin-controller instance 1 data */
1122 .pin_banks = exynos5420_pin_banks1,
1123 .nr_banks = ARRAY_SIZE(exynos5420_pin_banks1),
1124 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
1125 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
1126 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
1127 .svc = EXYNOS_SVC_OFFSET,
1128 .eint_gpio_init = exynos_eint_gpio_init,
1129 .label = "exynos5420-gpio-ctrl1",
1130 }, {
1131 /* pin-controller instance 2 data */
1132 .pin_banks = exynos5420_pin_banks2,
1133 .nr_banks = ARRAY_SIZE(exynos5420_pin_banks2),
1134 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
1135 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
1136 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
1137 .svc = EXYNOS_SVC_OFFSET,
1138 .eint_gpio_init = exynos_eint_gpio_init,
1139 .label = "exynos5420-gpio-ctrl2",
1140 }, {
1141 /* pin-controller instance 3 data */
1142 .pin_banks = exynos5420_pin_banks3,
1143 .nr_banks = ARRAY_SIZE(exynos5420_pin_banks3),
1144 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
1145 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
1146 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
1147 .svc = EXYNOS_SVC_OFFSET,
1148 .eint_gpio_init = exynos_eint_gpio_init,
1149 .label = "exynos5420-gpio-ctrl3",
1150 }, {
1151 /* pin-controller instance 4 data */
1152 .pin_banks = exynos5420_pin_banks4,
1153 .nr_banks = ARRAY_SIZE(exynos5420_pin_banks4),
1154 .geint_con = EXYNOS_GPIO_ECON_OFFSET,
1155 .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
1156 .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
1157 .svc = EXYNOS_SVC_OFFSET,
1158 .eint_gpio_init = exynos_eint_gpio_init,
1159 .label = "exynos5420-gpio-ctrl4",
1160 },
1161 };
Linux with added FPC-III support