Commit | Line | Data |
---|---|---|
1b39d5f2 KK |
1 | /* |
2 | * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd. | |
3 | * http://www.samsung.com/ | |
4 | * | |
5 | * Copyright 2008 Openmoko, Inc. | |
6 | * Copyright 2008 Simtec Electronics | |
7 | * Ben Dooks <ben@simtec.co.uk> | |
8 | * http://armlinux.simtec.co.uk/ | |
9 | * | |
10 | * SAMSUNG - GPIOlib support | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License version 2 as | |
14 | * published by the Free Software Foundation. | |
15 | */ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/irq.h> | |
19 | #include <linux/io.h> | |
20 | #include <linux/gpio.h> | |
21 | #include <linux/init.h> | |
22 | #include <linux/spinlock.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/interrupt.h> | |
25 | #include <linux/sysdev.h> | |
26 | #include <linux/ioport.h> | |
27 | ||
28 | #include <asm/irq.h> | |
29 | ||
30 | #include <mach/hardware.h> | |
31 | #include <mach/map.h> | |
32 | #include <mach/regs-clock.h> | |
33 | #include <mach/regs-gpio.h> | |
34 | ||
35 | #include <plat/cpu.h> | |
36 | #include <plat/gpio-core.h> | |
37 | #include <plat/gpio-cfg.h> | |
38 | #include <plat/gpio-cfg-helpers.h> | |
39 | #include <plat/gpio-fns.h> | |
40 | #include <plat/pm.h> | |
41 | ||
42 | #ifndef DEBUG_GPIO | |
43 | #define gpio_dbg(x...) do { } while (0) | |
44 | #else | |
45 | #define gpio_dbg(x...) printk(KERN_DEBUG x) | |
46 | #endif | |
47 | ||
48 | int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip, | |
49 | unsigned int off, samsung_gpio_pull_t pull) | |
50 | { | |
51 | void __iomem *reg = chip->base + 0x08; | |
52 | int shift = off * 2; | |
53 | u32 pup; | |
54 | ||
55 | pup = __raw_readl(reg); | |
56 | pup &= ~(3 << shift); | |
57 | pup |= pull << shift; | |
58 | __raw_writel(pup, reg); | |
59 | ||
60 | return 0; | |
61 | } | |
62 | ||
63 | samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip, | |
64 | unsigned int off) | |
65 | { | |
66 | void __iomem *reg = chip->base + 0x08; | |
67 | int shift = off * 2; | |
68 | u32 pup = __raw_readl(reg); | |
69 | ||
70 | pup >>= shift; | |
71 | pup &= 0x3; | |
72 | ||
73 | return (__force samsung_gpio_pull_t)pup; | |
74 | } | |
75 | ||
76 | int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip, | |
77 | unsigned int off, samsung_gpio_pull_t pull) | |
78 | { | |
79 | switch (pull) { | |
80 | case S3C_GPIO_PULL_NONE: | |
81 | pull = 0x01; | |
82 | break; | |
83 | case S3C_GPIO_PULL_UP: | |
84 | pull = 0x00; | |
85 | break; | |
86 | case S3C_GPIO_PULL_DOWN: | |
87 | pull = 0x02; | |
88 | break; | |
89 | } | |
90 | return samsung_gpio_setpull_updown(chip, off, pull); | |
91 | } | |
92 | ||
93 | samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip, | |
94 | unsigned int off) | |
95 | { | |
96 | samsung_gpio_pull_t pull; | |
97 | ||
98 | pull = samsung_gpio_getpull_updown(chip, off); | |
99 | ||
100 | switch (pull) { | |
101 | case 0x00: | |
102 | pull = S3C_GPIO_PULL_UP; | |
103 | break; | |
104 | case 0x01: | |
105 | case 0x03: | |
106 | pull = S3C_GPIO_PULL_NONE; | |
107 | break; | |
108 | case 0x02: | |
109 | pull = S3C_GPIO_PULL_DOWN; | |
110 | break; | |
111 | } | |
112 | ||
113 | return pull; | |
114 | } | |
115 | ||
116 | static int s3c24xx_gpio_setpull_1(struct samsung_gpio_chip *chip, | |
117 | unsigned int off, samsung_gpio_pull_t pull, | |
118 | samsung_gpio_pull_t updown) | |
119 | { | |
120 | void __iomem *reg = chip->base + 0x08; | |
121 | u32 pup = __raw_readl(reg); | |
122 | ||
123 | if (pull == updown) | |
124 | pup &= ~(1 << off); | |
125 | else if (pull == S3C_GPIO_PULL_NONE) | |
126 | pup |= (1 << off); | |
127 | else | |
128 | return -EINVAL; | |
129 | ||
130 | __raw_writel(pup, reg); | |
131 | return 0; | |
132 | } | |
133 | ||
134 | static samsung_gpio_pull_t s3c24xx_gpio_getpull_1(struct samsung_gpio_chip *chip, | |
135 | unsigned int off, | |
136 | samsung_gpio_pull_t updown) | |
137 | { | |
138 | void __iomem *reg = chip->base + 0x08; | |
139 | u32 pup = __raw_readl(reg); | |
140 | ||
141 | pup &= (1 << off); | |
142 | return pup ? S3C_GPIO_PULL_NONE : updown; | |
143 | } | |
144 | ||
145 | samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip, | |
146 | unsigned int off) | |
147 | { | |
148 | return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP); | |
149 | } | |
150 | ||
151 | int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip, | |
152 | unsigned int off, samsung_gpio_pull_t pull) | |
153 | { | |
154 | return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP); | |
155 | } | |
156 | ||
157 | samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip, | |
158 | unsigned int off) | |
159 | { | |
160 | return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN); | |
161 | } | |
162 | ||
163 | int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip, | |
164 | unsigned int off, samsung_gpio_pull_t pull) | |
165 | { | |
166 | return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN); | |
167 | } | |
168 | ||
169 | static int exynos4_gpio_setpull(struct samsung_gpio_chip *chip, | |
170 | unsigned int off, samsung_gpio_pull_t pull) | |
171 | { | |
172 | if (pull == S3C_GPIO_PULL_UP) | |
173 | pull = 3; | |
174 | ||
175 | return samsung_gpio_setpull_updown(chip, off, pull); | |
176 | } | |
177 | ||
178 | static samsung_gpio_pull_t exynos4_gpio_getpull(struct samsung_gpio_chip *chip, | |
179 | unsigned int off) | |
180 | { | |
181 | samsung_gpio_pull_t pull; | |
182 | ||
183 | pull = samsung_gpio_getpull_updown(chip, off); | |
184 | ||
185 | if (pull == 3) | |
186 | pull = S3C_GPIO_PULL_UP; | |
187 | ||
188 | return pull; | |
189 | } | |
190 | ||
191 | /* | |
192 | * samsung_gpio_setcfg_2bit - Samsung 2bit style GPIO configuration. | |
193 | * @chip: The gpio chip that is being configured. | |
194 | * @off: The offset for the GPIO being configured. | |
195 | * @cfg: The configuration value to set. | |
196 | * | |
197 | * This helper deal with the GPIO cases where the control register | |
198 | * has two bits of configuration per gpio, which have the following | |
199 | * functions: | |
200 | * 00 = input | |
201 | * 01 = output | |
202 | * 1x = special function | |
203 | */ | |
204 | ||
205 | static int samsung_gpio_setcfg_2bit(struct samsung_gpio_chip *chip, | |
206 | unsigned int off, unsigned int cfg) | |
207 | { | |
208 | void __iomem *reg = chip->base; | |
209 | unsigned int shift = off * 2; | |
210 | u32 con; | |
211 | ||
212 | if (samsung_gpio_is_cfg_special(cfg)) { | |
213 | cfg &= 0xf; | |
214 | if (cfg > 3) | |
215 | return -EINVAL; | |
216 | ||
217 | cfg <<= shift; | |
218 | } | |
219 | ||
220 | con = __raw_readl(reg); | |
221 | con &= ~(0x3 << shift); | |
222 | con |= cfg; | |
223 | __raw_writel(con, reg); | |
224 | ||
225 | return 0; | |
226 | } | |
227 | ||
228 | /* | |
229 | * samsung_gpio_getcfg_2bit - Samsung 2bit style GPIO configuration read. | |
230 | * @chip: The gpio chip that is being configured. | |
231 | * @off: The offset for the GPIO being configured. | |
232 | * | |
233 | * The reverse of samsung_gpio_setcfg_2bit(). Will return a value whicg | |
234 | * could be directly passed back to samsung_gpio_setcfg_2bit(), from the | |
235 | * S3C_GPIO_SPECIAL() macro. | |
236 | */ | |
237 | ||
238 | static unsigned int samsung_gpio_getcfg_2bit(struct samsung_gpio_chip *chip, | |
239 | unsigned int off) | |
240 | { | |
241 | u32 con; | |
242 | ||
243 | con = __raw_readl(chip->base); | |
244 | con >>= off * 2; | |
245 | con &= 3; | |
246 | ||
247 | /* this conversion works for IN and OUT as well as special mode */ | |
248 | return S3C_GPIO_SPECIAL(con); | |
249 | } | |
250 | ||
251 | /* | |
252 | * samsung_gpio_setcfg_4bit - Samsung 4bit single register GPIO config. | |
253 | * @chip: The gpio chip that is being configured. | |
254 | * @off: The offset for the GPIO being configured. | |
255 | * @cfg: The configuration value to set. | |
256 | * | |
257 | * This helper deal with the GPIO cases where the control register has 4 bits | |
258 | * of control per GPIO, generally in the form of: | |
259 | * 0000 = Input | |
260 | * 0001 = Output | |
261 | * others = Special functions (dependent on bank) | |
262 | * | |
263 | * Note, since the code to deal with the case where there are two control | |
264 | * registers instead of one, we do not have a separate set of functions for | |
265 | * each case. | |
266 | */ | |
267 | ||
268 | static int samsung_gpio_setcfg_4bit(struct samsung_gpio_chip *chip, | |
269 | unsigned int off, unsigned int cfg) | |
270 | { | |
271 | void __iomem *reg = chip->base; | |
272 | unsigned int shift = (off & 7) * 4; | |
273 | u32 con; | |
274 | ||
275 | if (off < 8 && chip->chip.ngpio > 8) | |
276 | reg -= 4; | |
277 | ||
278 | if (samsung_gpio_is_cfg_special(cfg)) { | |
279 | cfg &= 0xf; | |
280 | cfg <<= shift; | |
281 | } | |
282 | ||
283 | con = __raw_readl(reg); | |
284 | con &= ~(0xf << shift); | |
285 | con |= cfg; | |
286 | __raw_writel(con, reg); | |
287 | ||
288 | return 0; | |
289 | } | |
290 | ||
291 | /* | |
292 | * samsung_gpio_getcfg_4bit - Samsung 4bit single register GPIO config read. | |
293 | * @chip: The gpio chip that is being configured. | |
294 | * @off: The offset for the GPIO being configured. | |
295 | * | |
296 | * The reverse of samsung_gpio_setcfg_4bit(), turning a gpio configuration | |
297 | * register setting into a value the software can use, such as could be passed | |
298 | * to samsung_gpio_setcfg_4bit(). | |
299 | * | |
300 | * @sa samsung_gpio_getcfg_2bit | |
301 | */ | |
302 | ||
303 | static unsigned samsung_gpio_getcfg_4bit(struct samsung_gpio_chip *chip, | |
304 | unsigned int off) | |
305 | { | |
306 | void __iomem *reg = chip->base; | |
307 | unsigned int shift = (off & 7) * 4; | |
308 | u32 con; | |
309 | ||
310 | if (off < 8 && chip->chip.ngpio > 8) | |
311 | reg -= 4; | |
312 | ||
313 | con = __raw_readl(reg); | |
314 | con >>= shift; | |
315 | con &= 0xf; | |
316 | ||
317 | /* this conversion works for IN and OUT as well as special mode */ | |
318 | return S3C_GPIO_SPECIAL(con); | |
319 | } | |
320 | ||
321 | /* | |
322 | * s3c24xx_gpio_setcfg_abank - S3C24XX style GPIO configuration (Bank A) | |
323 | * @chip: The gpio chip that is being configured. | |
324 | * @off: The offset for the GPIO being configured. | |
325 | * @cfg: The configuration value to set. | |
326 | * | |
327 | * This helper deal with the GPIO cases where the control register | |
328 | * has one bit of configuration for the gpio, where setting the bit | |
329 | * means the pin is in special function mode and unset means output. | |
330 | */ | |
331 | ||
332 | static int s3c24xx_gpio_setcfg_abank(struct samsung_gpio_chip *chip, | |
333 | unsigned int off, unsigned int cfg) | |
334 | { | |
335 | void __iomem *reg = chip->base; | |
336 | unsigned int shift = off; | |
337 | u32 con; | |
338 | ||
339 | if (samsung_gpio_is_cfg_special(cfg)) { | |
340 | cfg &= 0xf; | |
341 | ||
342 | /* Map output to 0, and SFN2 to 1 */ | |
343 | cfg -= 1; | |
344 | if (cfg > 1) | |
345 | return -EINVAL; | |
346 | ||
347 | cfg <<= shift; | |
348 | } | |
349 | ||
350 | con = __raw_readl(reg); | |
351 | con &= ~(0x1 << shift); | |
352 | con |= cfg; | |
353 | __raw_writel(con, reg); | |
354 | ||
355 | return 0; | |
356 | } | |
357 | ||
358 | /* | |
359 | * s3c24xx_gpio_getcfg_abank - S3C24XX style GPIO configuration read (Bank A) | |
360 | * @chip: The gpio chip that is being configured. | |
361 | * @off: The offset for the GPIO being configured. | |
362 | * | |
363 | * The reverse of s3c24xx_gpio_setcfg_abank() turning an GPIO into a usable | |
364 | * GPIO configuration value. | |
365 | * | |
366 | * @sa samsung_gpio_getcfg_2bit | |
367 | * @sa samsung_gpio_getcfg_4bit | |
368 | */ | |
369 | ||
370 | static unsigned s3c24xx_gpio_getcfg_abank(struct samsung_gpio_chip *chip, | |
371 | unsigned int off) | |
372 | { | |
373 | u32 con; | |
374 | ||
375 | con = __raw_readl(chip->base); | |
376 | con >>= off; | |
377 | con &= 1; | |
378 | con++; | |
379 | ||
380 | return S3C_GPIO_SFN(con); | |
381 | } | |
382 | ||
383 | static int s5p64x0_gpio_setcfg_rbank(struct samsung_gpio_chip *chip, | |
384 | unsigned int off, unsigned int cfg) | |
385 | { | |
386 | void __iomem *reg = chip->base; | |
387 | unsigned int shift; | |
388 | u32 con; | |
389 | ||
390 | switch (off) { | |
391 | case 0: | |
392 | case 1: | |
393 | case 2: | |
394 | case 3: | |
395 | case 4: | |
396 | case 5: | |
397 | shift = (off & 7) * 4; | |
398 | reg -= 4; | |
399 | break; | |
400 | case 6: | |
401 | shift = ((off + 1) & 7) * 4; | |
402 | reg -= 4; | |
403 | default: | |
404 | shift = ((off + 1) & 7) * 4; | |
405 | break; | |
406 | } | |
407 | ||
408 | if (samsung_gpio_is_cfg_special(cfg)) { | |
409 | cfg &= 0xf; | |
410 | cfg <<= shift; | |
411 | } | |
412 | ||
413 | con = __raw_readl(reg); | |
414 | con &= ~(0xf << shift); | |
415 | con |= cfg; | |
416 | __raw_writel(con, reg); | |
417 | ||
418 | return 0; | |
419 | } | |
420 | ||
421 | static void __init samsung_gpiolib_set_cfg(struct samsung_gpio_cfg *chipcfg, | |
422 | int nr_chips) | |
423 | { | |
424 | for (; nr_chips > 0; nr_chips--, chipcfg++) { | |
425 | if (!chipcfg->set_config) | |
426 | chipcfg->set_config = samsung_gpio_setcfg_4bit; | |
427 | if (!chipcfg->get_config) | |
428 | chipcfg->get_config = samsung_gpio_getcfg_4bit; | |
429 | if (!chipcfg->set_pull) | |
430 | chipcfg->set_pull = samsung_gpio_setpull_updown; | |
431 | if (!chipcfg->get_pull) | |
432 | chipcfg->get_pull = samsung_gpio_getpull_updown; | |
433 | } | |
434 | } | |
435 | ||
436 | struct samsung_gpio_cfg s3c24xx_gpiocfg_default = { | |
437 | .set_config = samsung_gpio_setcfg_2bit, | |
438 | .get_config = samsung_gpio_getcfg_2bit, | |
439 | }; | |
440 | ||
441 | static struct samsung_gpio_cfg s3c24xx_gpiocfg_banka = { | |
442 | .set_config = s3c24xx_gpio_setcfg_abank, | |
443 | .get_config = s3c24xx_gpio_getcfg_abank, | |
444 | }; | |
445 | ||
446 | static struct samsung_gpio_cfg exynos4_gpio_cfg = { | |
447 | .set_pull = exynos4_gpio_setpull, | |
448 | .get_pull = exynos4_gpio_getpull, | |
f79e40eb MS |
449 | .set_config = samsung_gpio_setcfg_4bit, |
450 | .get_config = samsung_gpio_getcfg_4bit, | |
1b39d5f2 KK |
451 | }; |
452 | ||
453 | static struct samsung_gpio_cfg s5p64x0_gpio_cfg_rbank = { | |
454 | .cfg_eint = 0x3, | |
455 | .set_config = s5p64x0_gpio_setcfg_rbank, | |
456 | .get_config = samsung_gpio_getcfg_4bit, | |
457 | .set_pull = samsung_gpio_setpull_updown, | |
458 | .get_pull = samsung_gpio_getpull_updown, | |
459 | }; | |
460 | ||
461 | static struct samsung_gpio_cfg samsung_gpio_cfgs[] = { | |
462 | { | |
463 | .cfg_eint = 0x0, | |
464 | }, { | |
465 | .cfg_eint = 0x3, | |
466 | }, { | |
467 | .cfg_eint = 0x7, | |
468 | }, { | |
469 | .cfg_eint = 0xF, | |
470 | }, { | |
471 | .cfg_eint = 0x0, | |
472 | .set_config = samsung_gpio_setcfg_2bit, | |
473 | .get_config = samsung_gpio_getcfg_2bit, | |
474 | }, { | |
475 | .cfg_eint = 0x2, | |
476 | .set_config = samsung_gpio_setcfg_2bit, | |
477 | .get_config = samsung_gpio_getcfg_2bit, | |
478 | }, { | |
479 | .cfg_eint = 0x3, | |
480 | .set_config = samsung_gpio_setcfg_2bit, | |
481 | .get_config = samsung_gpio_getcfg_2bit, | |
482 | }, { | |
483 | .set_config = samsung_gpio_setcfg_2bit, | |
484 | .get_config = samsung_gpio_getcfg_2bit, | |
485 | }, | |
486 | }; | |
487 | ||
488 | /* | |
489 | * Default routines for controlling GPIO, based on the original S3C24XX | |
490 | * GPIO functions which deal with the case where each gpio bank of the | |
491 | * chip is as following: | |
492 | * | |
493 | * base + 0x00: Control register, 2 bits per gpio | |
494 | * gpio n: 2 bits starting at (2*n) | |
495 | * 00 = input, 01 = output, others mean special-function | |
496 | * base + 0x04: Data register, 1 bit per gpio | |
497 | * bit n: data bit n | |
498 | */ | |
499 | ||
500 | static int samsung_gpiolib_2bit_input(struct gpio_chip *chip, unsigned offset) | |
501 | { | |
502 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
503 | void __iomem *base = ourchip->base; | |
504 | unsigned long flags; | |
505 | unsigned long con; | |
506 | ||
507 | samsung_gpio_lock(ourchip, flags); | |
508 | ||
509 | con = __raw_readl(base + 0x00); | |
510 | con &= ~(3 << (offset * 2)); | |
511 | ||
512 | __raw_writel(con, base + 0x00); | |
513 | ||
514 | samsung_gpio_unlock(ourchip, flags); | |
515 | return 0; | |
516 | } | |
517 | ||
518 | static int samsung_gpiolib_2bit_output(struct gpio_chip *chip, | |
519 | unsigned offset, int value) | |
520 | { | |
521 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
522 | void __iomem *base = ourchip->base; | |
523 | unsigned long flags; | |
524 | unsigned long dat; | |
525 | unsigned long con; | |
526 | ||
527 | samsung_gpio_lock(ourchip, flags); | |
528 | ||
529 | dat = __raw_readl(base + 0x04); | |
530 | dat &= ~(1 << offset); | |
531 | if (value) | |
532 | dat |= 1 << offset; | |
533 | __raw_writel(dat, base + 0x04); | |
534 | ||
535 | con = __raw_readl(base + 0x00); | |
536 | con &= ~(3 << (offset * 2)); | |
537 | con |= 1 << (offset * 2); | |
538 | ||
539 | __raw_writel(con, base + 0x00); | |
540 | __raw_writel(dat, base + 0x04); | |
541 | ||
542 | samsung_gpio_unlock(ourchip, flags); | |
543 | return 0; | |
544 | } | |
545 | ||
546 | /* | |
547 | * The samsung_gpiolib_4bit routines are to control the gpio banks where | |
548 | * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the | |
549 | * following example: | |
550 | * | |
551 | * base + 0x00: Control register, 4 bits per gpio | |
552 | * gpio n: 4 bits starting at (4*n) | |
553 | * 0000 = input, 0001 = output, others mean special-function | |
554 | * base + 0x04: Data register, 1 bit per gpio | |
555 | * bit n: data bit n | |
556 | * | |
557 | * Note, since the data register is one bit per gpio and is at base + 0x4 | |
558 | * we can use samsung_gpiolib_get and samsung_gpiolib_set to change the | |
559 | * state of the output. | |
560 | */ | |
561 | ||
562 | static int samsung_gpiolib_4bit_input(struct gpio_chip *chip, | |
563 | unsigned int offset) | |
564 | { | |
565 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
566 | void __iomem *base = ourchip->base; | |
567 | unsigned long con; | |
568 | ||
569 | con = __raw_readl(base + GPIOCON_OFF); | |
570 | con &= ~(0xf << con_4bit_shift(offset)); | |
571 | __raw_writel(con, base + GPIOCON_OFF); | |
572 | ||
573 | gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con); | |
574 | ||
575 | return 0; | |
576 | } | |
577 | ||
578 | static int samsung_gpiolib_4bit_output(struct gpio_chip *chip, | |
579 | unsigned int offset, int value) | |
580 | { | |
581 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
582 | void __iomem *base = ourchip->base; | |
583 | unsigned long con; | |
584 | unsigned long dat; | |
585 | ||
586 | con = __raw_readl(base + GPIOCON_OFF); | |
587 | con &= ~(0xf << con_4bit_shift(offset)); | |
588 | con |= 0x1 << con_4bit_shift(offset); | |
589 | ||
590 | dat = __raw_readl(base + GPIODAT_OFF); | |
591 | ||
592 | if (value) | |
593 | dat |= 1 << offset; | |
594 | else | |
595 | dat &= ~(1 << offset); | |
596 | ||
597 | __raw_writel(dat, base + GPIODAT_OFF); | |
598 | __raw_writel(con, base + GPIOCON_OFF); | |
599 | __raw_writel(dat, base + GPIODAT_OFF); | |
600 | ||
601 | gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); | |
602 | ||
603 | return 0; | |
604 | } | |
605 | ||
606 | /* | |
607 | * The next set of routines are for the case where the GPIO configuration | |
608 | * registers are 4 bits per GPIO but there is more than one register (the | |
609 | * bank has more than 8 GPIOs. | |
610 | * | |
611 | * This case is the similar to the 4 bit case, but the registers are as | |
612 | * follows: | |
613 | * | |
614 | * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs) | |
615 | * gpio n: 4 bits starting at (4*n) | |
616 | * 0000 = input, 0001 = output, others mean special-function | |
617 | * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs) | |
618 | * gpio n: 4 bits starting at (4*n) | |
619 | * 0000 = input, 0001 = output, others mean special-function | |
620 | * base + 0x08: Data register, 1 bit per gpio | |
621 | * bit n: data bit n | |
622 | * | |
623 | * To allow us to use the samsung_gpiolib_get and samsung_gpiolib_set | |
624 | * routines we store the 'base + 0x4' address so that these routines see | |
625 | * the data register at ourchip->base + 0x04. | |
626 | */ | |
627 | ||
628 | static int samsung_gpiolib_4bit2_input(struct gpio_chip *chip, | |
629 | unsigned int offset) | |
630 | { | |
631 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
632 | void __iomem *base = ourchip->base; | |
633 | void __iomem *regcon = base; | |
634 | unsigned long con; | |
635 | ||
636 | if (offset > 7) | |
637 | offset -= 8; | |
638 | else | |
639 | regcon -= 4; | |
640 | ||
641 | con = __raw_readl(regcon); | |
642 | con &= ~(0xf << con_4bit_shift(offset)); | |
643 | __raw_writel(con, regcon); | |
644 | ||
645 | gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con); | |
646 | ||
647 | return 0; | |
648 | } | |
649 | ||
650 | static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip, | |
651 | unsigned int offset, int value) | |
652 | { | |
653 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
654 | void __iomem *base = ourchip->base; | |
655 | void __iomem *regcon = base; | |
656 | unsigned long con; | |
657 | unsigned long dat; | |
658 | unsigned con_offset = offset; | |
659 | ||
660 | if (con_offset > 7) | |
661 | con_offset -= 8; | |
662 | else | |
663 | regcon -= 4; | |
664 | ||
665 | con = __raw_readl(regcon); | |
666 | con &= ~(0xf << con_4bit_shift(con_offset)); | |
667 | con |= 0x1 << con_4bit_shift(con_offset); | |
668 | ||
669 | dat = __raw_readl(base + GPIODAT_OFF); | |
670 | ||
671 | if (value) | |
672 | dat |= 1 << offset; | |
673 | else | |
674 | dat &= ~(1 << offset); | |
675 | ||
676 | __raw_writel(dat, base + GPIODAT_OFF); | |
677 | __raw_writel(con, regcon); | |
678 | __raw_writel(dat, base + GPIODAT_OFF); | |
679 | ||
680 | gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); | |
681 | ||
682 | return 0; | |
683 | } | |
684 | ||
685 | /* The next set of routines are for the case of s3c24xx bank a */ | |
686 | ||
687 | static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) | |
688 | { | |
689 | return -EINVAL; | |
690 | } | |
691 | ||
692 | static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, | |
693 | unsigned offset, int value) | |
694 | { | |
695 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
696 | void __iomem *base = ourchip->base; | |
697 | unsigned long flags; | |
698 | unsigned long dat; | |
699 | unsigned long con; | |
700 | ||
701 | local_irq_save(flags); | |
702 | ||
703 | con = __raw_readl(base + 0x00); | |
704 | dat = __raw_readl(base + 0x04); | |
705 | ||
706 | dat &= ~(1 << offset); | |
707 | if (value) | |
708 | dat |= 1 << offset; | |
709 | ||
710 | __raw_writel(dat, base + 0x04); | |
711 | ||
712 | con &= ~(1 << offset); | |
713 | ||
714 | __raw_writel(con, base + 0x00); | |
715 | __raw_writel(dat, base + 0x04); | |
716 | ||
717 | local_irq_restore(flags); | |
718 | return 0; | |
719 | } | |
720 | ||
721 | /* The next set of routines are for the case of s5p64x0 bank r */ | |
722 | ||
723 | static int s5p64x0_gpiolib_rbank_input(struct gpio_chip *chip, | |
724 | unsigned int offset) | |
725 | { | |
726 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
727 | void __iomem *base = ourchip->base; | |
728 | void __iomem *regcon = base; | |
729 | unsigned long con; | |
730 | unsigned long flags; | |
731 | ||
732 | switch (offset) { | |
733 | case 6: | |
734 | offset += 1; | |
735 | case 0: | |
736 | case 1: | |
737 | case 2: | |
738 | case 3: | |
739 | case 4: | |
740 | case 5: | |
741 | regcon -= 4; | |
742 | break; | |
743 | default: | |
744 | offset -= 7; | |
745 | break; | |
746 | } | |
747 | ||
748 | samsung_gpio_lock(ourchip, flags); | |
749 | ||
750 | con = __raw_readl(regcon); | |
751 | con &= ~(0xf << con_4bit_shift(offset)); | |
752 | __raw_writel(con, regcon); | |
753 | ||
754 | samsung_gpio_unlock(ourchip, flags); | |
755 | ||
756 | return 0; | |
757 | } | |
758 | ||
759 | static int s5p64x0_gpiolib_rbank_output(struct gpio_chip *chip, | |
760 | unsigned int offset, int value) | |
761 | { | |
762 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
763 | void __iomem *base = ourchip->base; | |
764 | void __iomem *regcon = base; | |
765 | unsigned long con; | |
766 | unsigned long dat; | |
767 | unsigned long flags; | |
768 | unsigned con_offset = offset; | |
769 | ||
770 | switch (con_offset) { | |
771 | case 6: | |
772 | con_offset += 1; | |
773 | case 0: | |
774 | case 1: | |
775 | case 2: | |
776 | case 3: | |
777 | case 4: | |
778 | case 5: | |
779 | regcon -= 4; | |
780 | break; | |
781 | default: | |
782 | con_offset -= 7; | |
783 | break; | |
784 | } | |
785 | ||
786 | samsung_gpio_lock(ourchip, flags); | |
787 | ||
788 | con = __raw_readl(regcon); | |
789 | con &= ~(0xf << con_4bit_shift(con_offset)); | |
790 | con |= 0x1 << con_4bit_shift(con_offset); | |
791 | ||
792 | dat = __raw_readl(base + GPIODAT_OFF); | |
793 | if (value) | |
794 | dat |= 1 << offset; | |
795 | else | |
796 | dat &= ~(1 << offset); | |
797 | ||
798 | __raw_writel(con, regcon); | |
799 | __raw_writel(dat, base + GPIODAT_OFF); | |
800 | ||
801 | samsung_gpio_unlock(ourchip, flags); | |
802 | ||
803 | return 0; | |
804 | } | |
805 | ||
806 | static void samsung_gpiolib_set(struct gpio_chip *chip, | |
807 | unsigned offset, int value) | |
808 | { | |
809 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
810 | void __iomem *base = ourchip->base; | |
811 | unsigned long flags; | |
812 | unsigned long dat; | |
813 | ||
814 | samsung_gpio_lock(ourchip, flags); | |
815 | ||
816 | dat = __raw_readl(base + 0x04); | |
817 | dat &= ~(1 << offset); | |
818 | if (value) | |
819 | dat |= 1 << offset; | |
820 | __raw_writel(dat, base + 0x04); | |
821 | ||
822 | samsung_gpio_unlock(ourchip, flags); | |
823 | } | |
824 | ||
825 | static int samsung_gpiolib_get(struct gpio_chip *chip, unsigned offset) | |
826 | { | |
827 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
828 | unsigned long val; | |
829 | ||
830 | val = __raw_readl(ourchip->base + 0x04); | |
831 | val >>= offset; | |
832 | val &= 1; | |
833 | ||
834 | return val; | |
835 | } | |
836 | ||
837 | /* | |
838 | * CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios | |
839 | * for use with the configuration calls, and other parts of the s3c gpiolib | |
840 | * support code. | |
841 | * | |
842 | * Not all s3c support code will need this, as some configurations of cpu | |
843 | * may only support one or two different configuration options and have an | |
844 | * easy gpio to samsung_gpio_chip mapping function. If this is the case, then | |
845 | * the machine support file should provide its own samsung_gpiolib_getchip() | |
846 | * and any other necessary functions. | |
847 | */ | |
848 | ||
849 | #ifdef CONFIG_S3C_GPIO_TRACK | |
850 | struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END]; | |
851 | ||
852 | static __init void s3c_gpiolib_track(struct samsung_gpio_chip *chip) | |
853 | { | |
854 | unsigned int gpn; | |
855 | int i; | |
856 | ||
857 | gpn = chip->chip.base; | |
858 | for (i = 0; i < chip->chip.ngpio; i++, gpn++) { | |
859 | BUG_ON(gpn >= ARRAY_SIZE(s3c_gpios)); | |
860 | s3c_gpios[gpn] = chip; | |
861 | } | |
862 | } | |
863 | #endif /* CONFIG_S3C_GPIO_TRACK */ | |
864 | ||
865 | /* | |
866 | * samsung_gpiolib_add() - add the Samsung gpio_chip. | |
867 | * @chip: The chip to register | |
868 | * | |
869 | * This is a wrapper to gpiochip_add() that takes our specific gpio chip | |
870 | * information and makes the necessary alterations for the platform and | |
871 | * notes the information for use with the configuration systems and any | |
872 | * other parts of the system. | |
873 | */ | |
874 | ||
875 | static void __init samsung_gpiolib_add(struct samsung_gpio_chip *chip) | |
876 | { | |
877 | struct gpio_chip *gc = &chip->chip; | |
878 | int ret; | |
879 | ||
880 | BUG_ON(!chip->base); | |
881 | BUG_ON(!gc->label); | |
882 | BUG_ON(!gc->ngpio); | |
883 | ||
884 | spin_lock_init(&chip->lock); | |
885 | ||
886 | if (!gc->direction_input) | |
887 | gc->direction_input = samsung_gpiolib_2bit_input; | |
888 | if (!gc->direction_output) | |
889 | gc->direction_output = samsung_gpiolib_2bit_output; | |
890 | if (!gc->set) | |
891 | gc->set = samsung_gpiolib_set; | |
892 | if (!gc->get) | |
893 | gc->get = samsung_gpiolib_get; | |
894 | ||
895 | #ifdef CONFIG_PM | |
896 | if (chip->pm != NULL) { | |
897 | if (!chip->pm->save || !chip->pm->resume) | |
898 | printk(KERN_ERR "gpio: %s has missing PM functions\n", | |
899 | gc->label); | |
900 | } else | |
901 | printk(KERN_ERR "gpio: %s has no PM function\n", gc->label); | |
902 | #endif | |
903 | ||
904 | /* gpiochip_add() prints own failure message on error. */ | |
905 | ret = gpiochip_add(gc); | |
906 | if (ret >= 0) | |
907 | s3c_gpiolib_track(chip); | |
908 | } | |
909 | ||
910 | static void __init s3c24xx_gpiolib_add_chips(struct samsung_gpio_chip *chip, | |
911 | int nr_chips, void __iomem *base) | |
912 | { | |
913 | int i; | |
914 | struct gpio_chip *gc = &chip->chip; | |
915 | ||
916 | for (i = 0 ; i < nr_chips; i++, chip++) { | |
917 | if (!chip->config) | |
918 | chip->config = &s3c24xx_gpiocfg_default; | |
919 | if (!chip->pm) | |
920 | chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); | |
921 | if ((base != NULL) && (chip->base == NULL)) | |
922 | chip->base = base + ((i) * 0x10); | |
923 | ||
924 | if (!gc->direction_input) | |
925 | gc->direction_input = samsung_gpiolib_2bit_input; | |
926 | if (!gc->direction_output) | |
927 | gc->direction_output = samsung_gpiolib_2bit_output; | |
928 | ||
929 | samsung_gpiolib_add(chip); | |
930 | } | |
931 | } | |
932 | ||
933 | static void __init samsung_gpiolib_add_2bit_chips(struct samsung_gpio_chip *chip, | |
934 | int nr_chips, void __iomem *base, | |
935 | unsigned int offset) | |
936 | { | |
937 | int i; | |
938 | ||
939 | for (i = 0 ; i < nr_chips; i++, chip++) { | |
940 | chip->chip.direction_input = samsung_gpiolib_2bit_input; | |
941 | chip->chip.direction_output = samsung_gpiolib_2bit_output; | |
942 | ||
943 | if (!chip->config) | |
944 | chip->config = &samsung_gpio_cfgs[7]; | |
945 | if (!chip->pm) | |
946 | chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); | |
947 | if ((base != NULL) && (chip->base == NULL)) | |
948 | chip->base = base + ((i) * offset); | |
949 | ||
950 | samsung_gpiolib_add(chip); | |
951 | } | |
952 | } | |
953 | ||
954 | /* | |
955 | * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config. | |
956 | * @chip: The gpio chip that is being configured. | |
957 | * @nr_chips: The no of chips (gpio ports) for the GPIO being configured. | |
958 | * | |
959 | * This helper deal with the GPIO cases where the control register has 4 bits | |
960 | * of control per GPIO, generally in the form of: | |
961 | * 0000 = Input | |
962 | * 0001 = Output | |
963 | * others = Special functions (dependent on bank) | |
964 | * | |
965 | * Note, since the code to deal with the case where there are two control | |
966 | * registers instead of one, we do not have a separate set of function | |
967 | * (samsung_gpiolib_add_4bit2_chips)for each case. | |
968 | */ | |
969 | ||
970 | static void __init samsung_gpiolib_add_4bit_chips(struct samsung_gpio_chip *chip, | |
971 | int nr_chips, void __iomem *base) | |
972 | { | |
973 | int i; | |
974 | ||
975 | for (i = 0 ; i < nr_chips; i++, chip++) { | |
976 | chip->chip.direction_input = samsung_gpiolib_4bit_input; | |
977 | chip->chip.direction_output = samsung_gpiolib_4bit_output; | |
978 | ||
979 | if (!chip->config) | |
980 | chip->config = &samsung_gpio_cfgs[2]; | |
981 | if (!chip->pm) | |
982 | chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); | |
983 | if ((base != NULL) && (chip->base == NULL)) | |
984 | chip->base = base + ((i) * 0x20); | |
985 | ||
986 | samsung_gpiolib_add(chip); | |
987 | } | |
988 | } | |
989 | ||
990 | static void __init samsung_gpiolib_add_4bit2_chips(struct samsung_gpio_chip *chip, | |
991 | int nr_chips) | |
992 | { | |
993 | for (; nr_chips > 0; nr_chips--, chip++) { | |
994 | chip->chip.direction_input = samsung_gpiolib_4bit2_input; | |
995 | chip->chip.direction_output = samsung_gpiolib_4bit2_output; | |
996 | ||
997 | if (!chip->config) | |
998 | chip->config = &samsung_gpio_cfgs[2]; | |
999 | if (!chip->pm) | |
1000 | chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); | |
1001 | ||
1002 | samsung_gpiolib_add(chip); | |
1003 | } | |
1004 | } | |
1005 | ||
1006 | static void __init s5p64x0_gpiolib_add_rbank(struct samsung_gpio_chip *chip, | |
1007 | int nr_chips) | |
1008 | { | |
1009 | for (; nr_chips > 0; nr_chips--, chip++) { | |
1010 | chip->chip.direction_input = s5p64x0_gpiolib_rbank_input; | |
1011 | chip->chip.direction_output = s5p64x0_gpiolib_rbank_output; | |
1012 | ||
1013 | if (!chip->pm) | |
1014 | chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); | |
1015 | ||
1016 | samsung_gpiolib_add(chip); | |
1017 | } | |
1018 | } | |
1019 | ||
1020 | int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset) | |
1021 | { | |
1022 | struct samsung_gpio_chip *samsung_chip = container_of(chip, struct samsung_gpio_chip, chip); | |
1023 | ||
1024 | return samsung_chip->irq_base + offset; | |
1025 | } | |
1026 | ||
1027 | #ifdef CONFIG_PLAT_S3C24XX | |
1028 | static int s3c24xx_gpiolib_fbank_to_irq(struct gpio_chip *chip, unsigned offset) | |
1029 | { | |
1030 | if (offset < 4) | |
1031 | return IRQ_EINT0 + offset; | |
1032 | ||
1033 | if (offset < 8) | |
1034 | return IRQ_EINT4 + offset - 4; | |
1035 | ||
1036 | return -EINVAL; | |
1037 | } | |
1038 | #endif | |
1039 | ||
1040 | #ifdef CONFIG_PLAT_S3C64XX | |
1041 | static int s3c64xx_gpiolib_mbank_to_irq(struct gpio_chip *chip, unsigned pin) | |
1042 | { | |
1043 | return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; | |
1044 | } | |
1045 | ||
1046 | static int s3c64xx_gpiolib_lbank_to_irq(struct gpio_chip *chip, unsigned pin) | |
1047 | { | |
1048 | return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; | |
1049 | } | |
1050 | #endif | |
1051 | ||
1052 | struct samsung_gpio_chip s3c24xx_gpios[] = { | |
1053 | #ifdef CONFIG_PLAT_S3C24XX | |
1054 | { | |
1055 | .config = &s3c24xx_gpiocfg_banka, | |
1056 | .chip = { | |
1057 | .base = S3C2410_GPA(0), | |
1058 | .owner = THIS_MODULE, | |
1059 | .label = "GPIOA", | |
1060 | .ngpio = 24, | |
1061 | .direction_input = s3c24xx_gpiolib_banka_input, | |
1062 | .direction_output = s3c24xx_gpiolib_banka_output, | |
1063 | }, | |
1064 | }, { | |
1065 | .chip = { | |
1066 | .base = S3C2410_GPB(0), | |
1067 | .owner = THIS_MODULE, | |
1068 | .label = "GPIOB", | |
1069 | .ngpio = 16, | |
1070 | }, | |
1071 | }, { | |
1072 | .chip = { | |
1073 | .base = S3C2410_GPC(0), | |
1074 | .owner = THIS_MODULE, | |
1075 | .label = "GPIOC", | |
1076 | .ngpio = 16, | |
1077 | }, | |
1078 | }, { | |
1079 | .chip = { | |
1080 | .base = S3C2410_GPD(0), | |
1081 | .owner = THIS_MODULE, | |
1082 | .label = "GPIOD", | |
1083 | .ngpio = 16, | |
1084 | }, | |
1085 | }, { | |
1086 | .chip = { | |
1087 | .base = S3C2410_GPE(0), | |
1088 | .label = "GPIOE", | |
1089 | .owner = THIS_MODULE, | |
1090 | .ngpio = 16, | |
1091 | }, | |
1092 | }, { | |
1093 | .chip = { | |
1094 | .base = S3C2410_GPF(0), | |
1095 | .owner = THIS_MODULE, | |
1096 | .label = "GPIOF", | |
1097 | .ngpio = 8, | |
1098 | .to_irq = s3c24xx_gpiolib_fbank_to_irq, | |
1099 | }, | |
1100 | }, { | |
1101 | .irq_base = IRQ_EINT8, | |
1102 | .chip = { | |
1103 | .base = S3C2410_GPG(0), | |
1104 | .owner = THIS_MODULE, | |
1105 | .label = "GPIOG", | |
1106 | .ngpio = 16, | |
1107 | .to_irq = samsung_gpiolib_to_irq, | |
1108 | }, | |
1109 | }, { | |
1110 | .chip = { | |
1111 | .base = S3C2410_GPH(0), | |
1112 | .owner = THIS_MODULE, | |
1113 | .label = "GPIOH", | |
1114 | .ngpio = 11, | |
1115 | }, | |
1116 | }, | |
1117 | /* GPIOS for the S3C2443 and later devices. */ | |
1118 | { | |
1119 | .base = S3C2440_GPJCON, | |
1120 | .chip = { | |
1121 | .base = S3C2410_GPJ(0), | |
1122 | .owner = THIS_MODULE, | |
1123 | .label = "GPIOJ", | |
1124 | .ngpio = 16, | |
1125 | }, | |
1126 | }, { | |
1127 | .base = S3C2443_GPKCON, | |
1128 | .chip = { | |
1129 | .base = S3C2410_GPK(0), | |
1130 | .owner = THIS_MODULE, | |
1131 | .label = "GPIOK", | |
1132 | .ngpio = 16, | |
1133 | }, | |
1134 | }, { | |
1135 | .base = S3C2443_GPLCON, | |
1136 | .chip = { | |
1137 | .base = S3C2410_GPL(0), | |
1138 | .owner = THIS_MODULE, | |
1139 | .label = "GPIOL", | |
1140 | .ngpio = 15, | |
1141 | }, | |
1142 | }, { | |
1143 | .base = S3C2443_GPMCON, | |
1144 | .chip = { | |
1145 | .base = S3C2410_GPM(0), | |
1146 | .owner = THIS_MODULE, | |
1147 | .label = "GPIOM", | |
1148 | .ngpio = 2, | |
1149 | }, | |
1150 | }, | |
1151 | #endif | |
1152 | }; | |
1153 | ||
1154 | /* | |
1155 | * GPIO bank summary: | |
1156 | * | |
1157 | * Bank GPIOs Style SlpCon ExtInt Group | |
1158 | * A 8 4Bit Yes 1 | |
1159 | * B 7 4Bit Yes 1 | |
1160 | * C 8 4Bit Yes 2 | |
1161 | * D 5 4Bit Yes 3 | |
1162 | * E 5 4Bit Yes None | |
1163 | * F 16 2Bit Yes 4 [1] | |
1164 | * G 7 4Bit Yes 5 | |
1165 | * H 10 4Bit[2] Yes 6 | |
1166 | * I 16 2Bit Yes None | |
1167 | * J 12 2Bit Yes None | |
1168 | * K 16 4Bit[2] No None | |
1169 | * L 15 4Bit[2] No None | |
1170 | * M 6 4Bit No IRQ_EINT | |
1171 | * N 16 2Bit No IRQ_EINT | |
1172 | * O 16 2Bit Yes 7 | |
1173 | * P 15 2Bit Yes 8 | |
1174 | * Q 9 2Bit Yes 9 | |
1175 | * | |
1176 | * [1] BANKF pins 14,15 do not form part of the external interrupt sources | |
1177 | * [2] BANK has two control registers, GPxCON0 and GPxCON1 | |
1178 | */ | |
1179 | ||
1180 | static struct samsung_gpio_chip s3c64xx_gpios_4bit[] = { | |
1181 | #ifdef CONFIG_PLAT_S3C64XX | |
1182 | { | |
1183 | .chip = { | |
1184 | .base = S3C64XX_GPA(0), | |
1185 | .ngpio = S3C64XX_GPIO_A_NR, | |
1186 | .label = "GPA", | |
1187 | }, | |
1188 | }, { | |
1189 | .chip = { | |
1190 | .base = S3C64XX_GPB(0), | |
1191 | .ngpio = S3C64XX_GPIO_B_NR, | |
1192 | .label = "GPB", | |
1193 | }, | |
1194 | }, { | |
1195 | .chip = { | |
1196 | .base = S3C64XX_GPC(0), | |
1197 | .ngpio = S3C64XX_GPIO_C_NR, | |
1198 | .label = "GPC", | |
1199 | }, | |
1200 | }, { | |
1201 | .chip = { | |
1202 | .base = S3C64XX_GPD(0), | |
1203 | .ngpio = S3C64XX_GPIO_D_NR, | |
1204 | .label = "GPD", | |
1205 | }, | |
1206 | }, { | |
1207 | .config = &samsung_gpio_cfgs[0], | |
1208 | .chip = { | |
1209 | .base = S3C64XX_GPE(0), | |
1210 | .ngpio = S3C64XX_GPIO_E_NR, | |
1211 | .label = "GPE", | |
1212 | }, | |
1213 | }, { | |
1214 | .base = S3C64XX_GPG_BASE, | |
1215 | .chip = { | |
1216 | .base = S3C64XX_GPG(0), | |
1217 | .ngpio = S3C64XX_GPIO_G_NR, | |
1218 | .label = "GPG", | |
1219 | }, | |
1220 | }, { | |
1221 | .base = S3C64XX_GPM_BASE, | |
1222 | .config = &samsung_gpio_cfgs[1], | |
1223 | .chip = { | |
1224 | .base = S3C64XX_GPM(0), | |
1225 | .ngpio = S3C64XX_GPIO_M_NR, | |
1226 | .label = "GPM", | |
1227 | .to_irq = s3c64xx_gpiolib_mbank_to_irq, | |
1228 | }, | |
1229 | }, | |
1230 | #endif | |
1231 | }; | |
1232 | ||
1233 | static struct samsung_gpio_chip s3c64xx_gpios_4bit2[] = { | |
1234 | #ifdef CONFIG_PLAT_S3C64XX | |
1235 | { | |
1236 | .base = S3C64XX_GPH_BASE + 0x4, | |
1237 | .chip = { | |
1238 | .base = S3C64XX_GPH(0), | |
1239 | .ngpio = S3C64XX_GPIO_H_NR, | |
1240 | .label = "GPH", | |
1241 | }, | |
1242 | }, { | |
1243 | .base = S3C64XX_GPK_BASE + 0x4, | |
1244 | .config = &samsung_gpio_cfgs[0], | |
1245 | .chip = { | |
1246 | .base = S3C64XX_GPK(0), | |
1247 | .ngpio = S3C64XX_GPIO_K_NR, | |
1248 | .label = "GPK", | |
1249 | }, | |
1250 | }, { | |
1251 | .base = S3C64XX_GPL_BASE + 0x4, | |
1252 | .config = &samsung_gpio_cfgs[1], | |
1253 | .chip = { | |
1254 | .base = S3C64XX_GPL(0), | |
1255 | .ngpio = S3C64XX_GPIO_L_NR, | |
1256 | .label = "GPL", | |
1257 | .to_irq = s3c64xx_gpiolib_lbank_to_irq, | |
1258 | }, | |
1259 | }, | |
1260 | #endif | |
1261 | }; | |
1262 | ||
1263 | static struct samsung_gpio_chip s3c64xx_gpios_2bit[] = { | |
1264 | #ifdef CONFIG_PLAT_S3C64XX | |
1265 | { | |
1266 | .base = S3C64XX_GPF_BASE, | |
1267 | .config = &samsung_gpio_cfgs[6], | |
1268 | .chip = { | |
1269 | .base = S3C64XX_GPF(0), | |
1270 | .ngpio = S3C64XX_GPIO_F_NR, | |
1271 | .label = "GPF", | |
1272 | }, | |
1273 | }, { | |
1274 | .config = &samsung_gpio_cfgs[7], | |
1275 | .chip = { | |
1276 | .base = S3C64XX_GPI(0), | |
1277 | .ngpio = S3C64XX_GPIO_I_NR, | |
1278 | .label = "GPI", | |
1279 | }, | |
1280 | }, { | |
1281 | .config = &samsung_gpio_cfgs[7], | |
1282 | .chip = { | |
1283 | .base = S3C64XX_GPJ(0), | |
1284 | .ngpio = S3C64XX_GPIO_J_NR, | |
1285 | .label = "GPJ", | |
1286 | }, | |
1287 | }, { | |
1288 | .config = &samsung_gpio_cfgs[6], | |
1289 | .chip = { | |
1290 | .base = S3C64XX_GPO(0), | |
1291 | .ngpio = S3C64XX_GPIO_O_NR, | |
1292 | .label = "GPO", | |
1293 | }, | |
1294 | }, { | |
1295 | .config = &samsung_gpio_cfgs[6], | |
1296 | .chip = { | |
1297 | .base = S3C64XX_GPP(0), | |
1298 | .ngpio = S3C64XX_GPIO_P_NR, | |
1299 | .label = "GPP", | |
1300 | }, | |
1301 | }, { | |
1302 | .config = &samsung_gpio_cfgs[6], | |
1303 | .chip = { | |
1304 | .base = S3C64XX_GPQ(0), | |
1305 | .ngpio = S3C64XX_GPIO_Q_NR, | |
1306 | .label = "GPQ", | |
1307 | }, | |
1308 | }, { | |
1309 | .base = S3C64XX_GPN_BASE, | |
1310 | .irq_base = IRQ_EINT(0), | |
1311 | .config = &samsung_gpio_cfgs[5], | |
1312 | .chip = { | |
1313 | .base = S3C64XX_GPN(0), | |
1314 | .ngpio = S3C64XX_GPIO_N_NR, | |
1315 | .label = "GPN", | |
1316 | .to_irq = samsung_gpiolib_to_irq, | |
1317 | }, | |
1318 | }, | |
1319 | #endif | |
1320 | }; | |
1321 | ||
1322 | /* | |
1323 | * S5P6440 GPIO bank summary: | |
1324 | * | |
1325 | * Bank GPIOs Style SlpCon ExtInt Group | |
1326 | * A 6 4Bit Yes 1 | |
1327 | * B 7 4Bit Yes 1 | |
1328 | * C 8 4Bit Yes 2 | |
1329 | * F 2 2Bit Yes 4 [1] | |
1330 | * G 7 4Bit Yes 5 | |
1331 | * H 10 4Bit[2] Yes 6 | |
1332 | * I 16 2Bit Yes None | |
1333 | * J 12 2Bit Yes None | |
1334 | * N 16 2Bit No IRQ_EINT | |
1335 | * P 8 2Bit Yes 8 | |
1336 | * R 15 4Bit[2] Yes 8 | |
1337 | */ | |
1338 | ||
1339 | static struct samsung_gpio_chip s5p6440_gpios_4bit[] = { | |
1340 | #ifdef CONFIG_CPU_S5P6440 | |
1341 | { | |
1342 | .chip = { | |
1343 | .base = S5P6440_GPA(0), | |
1344 | .ngpio = S5P6440_GPIO_A_NR, | |
1345 | .label = "GPA", | |
1346 | }, | |
1347 | }, { | |
1348 | .chip = { | |
1349 | .base = S5P6440_GPB(0), | |
1350 | .ngpio = S5P6440_GPIO_B_NR, | |
1351 | .label = "GPB", | |
1352 | }, | |
1353 | }, { | |
1354 | .chip = { | |
1355 | .base = S5P6440_GPC(0), | |
1356 | .ngpio = S5P6440_GPIO_C_NR, | |
1357 | .label = "GPC", | |
1358 | }, | |
1359 | }, { | |
1360 | .base = S5P64X0_GPG_BASE, | |
1361 | .chip = { | |
1362 | .base = S5P6440_GPG(0), | |
1363 | .ngpio = S5P6440_GPIO_G_NR, | |
1364 | .label = "GPG", | |
1365 | }, | |
1366 | }, | |
1367 | #endif | |
1368 | }; | |
1369 | ||
1370 | static struct samsung_gpio_chip s5p6440_gpios_4bit2[] = { | |
1371 | #ifdef CONFIG_CPU_S5P6440 | |
1372 | { | |
1373 | .base = S5P64X0_GPH_BASE + 0x4, | |
1374 | .chip = { | |
1375 | .base = S5P6440_GPH(0), | |
1376 | .ngpio = S5P6440_GPIO_H_NR, | |
1377 | .label = "GPH", | |
1378 | }, | |
1379 | }, | |
1380 | #endif | |
1381 | }; | |
1382 | ||
1383 | static struct samsung_gpio_chip s5p6440_gpios_rbank[] = { | |
1384 | #ifdef CONFIG_CPU_S5P6440 | |
1385 | { | |
1386 | .base = S5P64X0_GPR_BASE + 0x4, | |
1387 | .config = &s5p64x0_gpio_cfg_rbank, | |
1388 | .chip = { | |
1389 | .base = S5P6440_GPR(0), | |
1390 | .ngpio = S5P6440_GPIO_R_NR, | |
1391 | .label = "GPR", | |
1392 | }, | |
1393 | }, | |
1394 | #endif | |
1395 | }; | |
1396 | ||
1397 | static struct samsung_gpio_chip s5p6440_gpios_2bit[] = { | |
1398 | #ifdef CONFIG_CPU_S5P6440 | |
1399 | { | |
1400 | .base = S5P64X0_GPF_BASE, | |
1401 | .config = &samsung_gpio_cfgs[6], | |
1402 | .chip = { | |
1403 | .base = S5P6440_GPF(0), | |
1404 | .ngpio = S5P6440_GPIO_F_NR, | |
1405 | .label = "GPF", | |
1406 | }, | |
1407 | }, { | |
1408 | .base = S5P64X0_GPI_BASE, | |
1409 | .config = &samsung_gpio_cfgs[4], | |
1410 | .chip = { | |
1411 | .base = S5P6440_GPI(0), | |
1412 | .ngpio = S5P6440_GPIO_I_NR, | |
1413 | .label = "GPI", | |
1414 | }, | |
1415 | }, { | |
1416 | .base = S5P64X0_GPJ_BASE, | |
1417 | .config = &samsung_gpio_cfgs[4], | |
1418 | .chip = { | |
1419 | .base = S5P6440_GPJ(0), | |
1420 | .ngpio = S5P6440_GPIO_J_NR, | |
1421 | .label = "GPJ", | |
1422 | }, | |
1423 | }, { | |
1424 | .base = S5P64X0_GPN_BASE, | |
1425 | .config = &samsung_gpio_cfgs[5], | |
1426 | .chip = { | |
1427 | .base = S5P6440_GPN(0), | |
1428 | .ngpio = S5P6440_GPIO_N_NR, | |
1429 | .label = "GPN", | |
1430 | }, | |
1431 | }, { | |
1432 | .base = S5P64X0_GPP_BASE, | |
1433 | .config = &samsung_gpio_cfgs[6], | |
1434 | .chip = { | |
1435 | .base = S5P6440_GPP(0), | |
1436 | .ngpio = S5P6440_GPIO_P_NR, | |
1437 | .label = "GPP", | |
1438 | }, | |
1439 | }, | |
1440 | #endif | |
1441 | }; | |
1442 | ||
1443 | /* | |
1444 | * S5P6450 GPIO bank summary: | |
1445 | * | |
1446 | * Bank GPIOs Style SlpCon ExtInt Group | |
1447 | * A 6 4Bit Yes 1 | |
1448 | * B 7 4Bit Yes 1 | |
1449 | * C 8 4Bit Yes 2 | |
1450 | * D 8 4Bit Yes None | |
1451 | * F 2 2Bit Yes None | |
1452 | * G 14 4Bit[2] Yes 5 | |
1453 | * H 10 4Bit[2] Yes 6 | |
1454 | * I 16 2Bit Yes None | |
1455 | * J 12 2Bit Yes None | |
1456 | * K 5 4Bit Yes None | |
1457 | * N 16 2Bit No IRQ_EINT | |
1458 | * P 11 2Bit Yes 8 | |
1459 | * Q 14 2Bit Yes None | |
1460 | * R 15 4Bit[2] Yes None | |
1461 | * S 8 2Bit Yes None | |
1462 | * | |
1463 | * [1] BANKF pins 14,15 do not form part of the external interrupt sources | |
1464 | * [2] BANK has two control registers, GPxCON0 and GPxCON1 | |
1465 | */ | |
1466 | ||
1467 | static struct samsung_gpio_chip s5p6450_gpios_4bit[] = { | |
1468 | #ifdef CONFIG_CPU_S5P6450 | |
1469 | { | |
1470 | .chip = { | |
1471 | .base = S5P6450_GPA(0), | |
1472 | .ngpio = S5P6450_GPIO_A_NR, | |
1473 | .label = "GPA", | |
1474 | }, | |
1475 | }, { | |
1476 | .chip = { | |
1477 | .base = S5P6450_GPB(0), | |
1478 | .ngpio = S5P6450_GPIO_B_NR, | |
1479 | .label = "GPB", | |
1480 | }, | |
1481 | }, { | |
1482 | .chip = { | |
1483 | .base = S5P6450_GPC(0), | |
1484 | .ngpio = S5P6450_GPIO_C_NR, | |
1485 | .label = "GPC", | |
1486 | }, | |
1487 | }, { | |
1488 | .chip = { | |
1489 | .base = S5P6450_GPD(0), | |
1490 | .ngpio = S5P6450_GPIO_D_NR, | |
1491 | .label = "GPD", | |
1492 | }, | |
1493 | }, { | |
1494 | .base = S5P6450_GPK_BASE, | |
1495 | .chip = { | |
1496 | .base = S5P6450_GPK(0), | |
1497 | .ngpio = S5P6450_GPIO_K_NR, | |
1498 | .label = "GPK", | |
1499 | }, | |
1500 | }, | |
1501 | #endif | |
1502 | }; | |
1503 | ||
1504 | static struct samsung_gpio_chip s5p6450_gpios_4bit2[] = { | |
1505 | #ifdef CONFIG_CPU_S5P6450 | |
1506 | { | |
1507 | .base = S5P64X0_GPG_BASE + 0x4, | |
1508 | .chip = { | |
1509 | .base = S5P6450_GPG(0), | |
1510 | .ngpio = S5P6450_GPIO_G_NR, | |
1511 | .label = "GPG", | |
1512 | }, | |
1513 | }, { | |
1514 | .base = S5P64X0_GPH_BASE + 0x4, | |
1515 | .chip = { | |
1516 | .base = S5P6450_GPH(0), | |
1517 | .ngpio = S5P6450_GPIO_H_NR, | |
1518 | .label = "GPH", | |
1519 | }, | |
1520 | }, | |
1521 | #endif | |
1522 | }; | |
1523 | ||
1524 | static struct samsung_gpio_chip s5p6450_gpios_rbank[] = { | |
1525 | #ifdef CONFIG_CPU_S5P6450 | |
1526 | { | |
1527 | .base = S5P64X0_GPR_BASE + 0x4, | |
1528 | .config = &s5p64x0_gpio_cfg_rbank, | |
1529 | .chip = { | |
1530 | .base = S5P6450_GPR(0), | |
1531 | .ngpio = S5P6450_GPIO_R_NR, | |
1532 | .label = "GPR", | |
1533 | }, | |
1534 | }, | |
1535 | #endif | |
1536 | }; | |
1537 | ||
1538 | static struct samsung_gpio_chip s5p6450_gpios_2bit[] = { | |
1539 | #ifdef CONFIG_CPU_S5P6450 | |
1540 | { | |
1541 | .base = S5P64X0_GPF_BASE, | |
1542 | .config = &samsung_gpio_cfgs[6], | |
1543 | .chip = { | |
1544 | .base = S5P6450_GPF(0), | |
1545 | .ngpio = S5P6450_GPIO_F_NR, | |
1546 | .label = "GPF", | |
1547 | }, | |
1548 | }, { | |
1549 | .base = S5P64X0_GPI_BASE, | |
1550 | .config = &samsung_gpio_cfgs[4], | |
1551 | .chip = { | |
1552 | .base = S5P6450_GPI(0), | |
1553 | .ngpio = S5P6450_GPIO_I_NR, | |
1554 | .label = "GPI", | |
1555 | }, | |
1556 | }, { | |
1557 | .base = S5P64X0_GPJ_BASE, | |
1558 | .config = &samsung_gpio_cfgs[4], | |
1559 | .chip = { | |
1560 | .base = S5P6450_GPJ(0), | |
1561 | .ngpio = S5P6450_GPIO_J_NR, | |
1562 | .label = "GPJ", | |
1563 | }, | |
1564 | }, { | |
1565 | .base = S5P64X0_GPN_BASE, | |
1566 | .config = &samsung_gpio_cfgs[5], | |
1567 | .chip = { | |
1568 | .base = S5P6450_GPN(0), | |
1569 | .ngpio = S5P6450_GPIO_N_NR, | |
1570 | .label = "GPN", | |
1571 | }, | |
1572 | }, { | |
1573 | .base = S5P64X0_GPP_BASE, | |
1574 | .config = &samsung_gpio_cfgs[6], | |
1575 | .chip = { | |
1576 | .base = S5P6450_GPP(0), | |
1577 | .ngpio = S5P6450_GPIO_P_NR, | |
1578 | .label = "GPP", | |
1579 | }, | |
1580 | }, { | |
1581 | .base = S5P6450_GPQ_BASE, | |
1582 | .config = &samsung_gpio_cfgs[5], | |
1583 | .chip = { | |
1584 | .base = S5P6450_GPQ(0), | |
1585 | .ngpio = S5P6450_GPIO_Q_NR, | |
1586 | .label = "GPQ", | |
1587 | }, | |
1588 | }, { | |
1589 | .base = S5P6450_GPS_BASE, | |
1590 | .config = &samsung_gpio_cfgs[6], | |
1591 | .chip = { | |
1592 | .base = S5P6450_GPS(0), | |
1593 | .ngpio = S5P6450_GPIO_S_NR, | |
1594 | .label = "GPS", | |
1595 | }, | |
1596 | }, | |
1597 | #endif | |
1598 | }; | |
1599 | ||
1600 | /* | |
1601 | * S5PC100 GPIO bank summary: | |
1602 | * | |
1603 | * Bank GPIOs Style INT Type | |
1604 | * A0 8 4Bit GPIO_INT0 | |
1605 | * A1 5 4Bit GPIO_INT1 | |
1606 | * B 8 4Bit GPIO_INT2 | |
1607 | * C 5 4Bit GPIO_INT3 | |
1608 | * D 7 4Bit GPIO_INT4 | |
1609 | * E0 8 4Bit GPIO_INT5 | |
1610 | * E1 6 4Bit GPIO_INT6 | |
1611 | * F0 8 4Bit GPIO_INT7 | |
1612 | * F1 8 4Bit GPIO_INT8 | |
1613 | * F2 8 4Bit GPIO_INT9 | |
1614 | * F3 4 4Bit GPIO_INT10 | |
1615 | * G0 8 4Bit GPIO_INT11 | |
1616 | * G1 3 4Bit GPIO_INT12 | |
1617 | * G2 7 4Bit GPIO_INT13 | |
1618 | * G3 7 4Bit GPIO_INT14 | |
1619 | * H0 8 4Bit WKUP_INT | |
1620 | * H1 8 4Bit WKUP_INT | |
1621 | * H2 8 4Bit WKUP_INT | |
1622 | * H3 8 4Bit WKUP_INT | |
1623 | * I 8 4Bit GPIO_INT15 | |
1624 | * J0 8 4Bit GPIO_INT16 | |
1625 | * J1 5 4Bit GPIO_INT17 | |
1626 | * J2 8 4Bit GPIO_INT18 | |
1627 | * J3 8 4Bit GPIO_INT19 | |
1628 | * J4 4 4Bit GPIO_INT20 | |
1629 | * K0 8 4Bit None | |
1630 | * K1 6 4Bit None | |
1631 | * K2 8 4Bit None | |
1632 | * K3 8 4Bit None | |
1633 | * L0 8 4Bit None | |
1634 | * L1 8 4Bit None | |
1635 | * L2 8 4Bit None | |
1636 | * L3 8 4Bit None | |
1637 | */ | |
1638 | ||
1639 | static struct samsung_gpio_chip s5pc100_gpios_4bit[] = { | |
1640 | #ifdef CONFIG_CPU_S5PC100 | |
1641 | { | |
1642 | .chip = { | |
1643 | .base = S5PC100_GPA0(0), | |
1644 | .ngpio = S5PC100_GPIO_A0_NR, | |
1645 | .label = "GPA0", | |
1646 | }, | |
1647 | }, { | |
1648 | .chip = { | |
1649 | .base = S5PC100_GPA1(0), | |
1650 | .ngpio = S5PC100_GPIO_A1_NR, | |
1651 | .label = "GPA1", | |
1652 | }, | |
1653 | }, { | |
1654 | .chip = { | |
1655 | .base = S5PC100_GPB(0), | |
1656 | .ngpio = S5PC100_GPIO_B_NR, | |
1657 | .label = "GPB", | |
1658 | }, | |
1659 | }, { | |
1660 | .chip = { | |
1661 | .base = S5PC100_GPC(0), | |
1662 | .ngpio = S5PC100_GPIO_C_NR, | |
1663 | .label = "GPC", | |
1664 | }, | |
1665 | }, { | |
1666 | .chip = { | |
1667 | .base = S5PC100_GPD(0), | |
1668 | .ngpio = S5PC100_GPIO_D_NR, | |
1669 | .label = "GPD", | |
1670 | }, | |
1671 | }, { | |
1672 | .chip = { | |
1673 | .base = S5PC100_GPE0(0), | |
1674 | .ngpio = S5PC100_GPIO_E0_NR, | |
1675 | .label = "GPE0", | |
1676 | }, | |
1677 | }, { | |
1678 | .chip = { | |
1679 | .base = S5PC100_GPE1(0), | |
1680 | .ngpio = S5PC100_GPIO_E1_NR, | |
1681 | .label = "GPE1", | |
1682 | }, | |
1683 | }, { | |
1684 | .chip = { | |
1685 | .base = S5PC100_GPF0(0), | |
1686 | .ngpio = S5PC100_GPIO_F0_NR, | |
1687 | .label = "GPF0", | |
1688 | }, | |
1689 | }, { | |
1690 | .chip = { | |
1691 | .base = S5PC100_GPF1(0), | |
1692 | .ngpio = S5PC100_GPIO_F1_NR, | |
1693 | .label = "GPF1", | |
1694 | }, | |
1695 | }, { | |
1696 | .chip = { | |
1697 | .base = S5PC100_GPF2(0), | |
1698 | .ngpio = S5PC100_GPIO_F2_NR, | |
1699 | .label = "GPF2", | |
1700 | }, | |
1701 | }, { | |
1702 | .chip = { | |
1703 | .base = S5PC100_GPF3(0), | |
1704 | .ngpio = S5PC100_GPIO_F3_NR, | |
1705 | .label = "GPF3", | |
1706 | }, | |
1707 | }, { | |
1708 | .chip = { | |
1709 | .base = S5PC100_GPG0(0), | |
1710 | .ngpio = S5PC100_GPIO_G0_NR, | |
1711 | .label = "GPG0", | |
1712 | }, | |
1713 | }, { | |
1714 | .chip = { | |
1715 | .base = S5PC100_GPG1(0), | |
1716 | .ngpio = S5PC100_GPIO_G1_NR, | |
1717 | .label = "GPG1", | |
1718 | }, | |
1719 | }, { | |
1720 | .chip = { | |
1721 | .base = S5PC100_GPG2(0), | |
1722 | .ngpio = S5PC100_GPIO_G2_NR, | |
1723 | .label = "GPG2", | |
1724 | }, | |
1725 | }, { | |
1726 | .chip = { | |
1727 | .base = S5PC100_GPG3(0), | |
1728 | .ngpio = S5PC100_GPIO_G3_NR, | |
1729 | .label = "GPG3", | |
1730 | }, | |
1731 | }, { | |
1732 | .chip = { | |
1733 | .base = S5PC100_GPI(0), | |
1734 | .ngpio = S5PC100_GPIO_I_NR, | |
1735 | .label = "GPI", | |
1736 | }, | |
1737 | }, { | |
1738 | .chip = { | |
1739 | .base = S5PC100_GPJ0(0), | |
1740 | .ngpio = S5PC100_GPIO_J0_NR, | |
1741 | .label = "GPJ0", | |
1742 | }, | |
1743 | }, { | |
1744 | .chip = { | |
1745 | .base = S5PC100_GPJ1(0), | |
1746 | .ngpio = S5PC100_GPIO_J1_NR, | |
1747 | .label = "GPJ1", | |
1748 | }, | |
1749 | }, { | |
1750 | .chip = { | |
1751 | .base = S5PC100_GPJ2(0), | |
1752 | .ngpio = S5PC100_GPIO_J2_NR, | |
1753 | .label = "GPJ2", | |
1754 | }, | |
1755 | }, { | |
1756 | .chip = { | |
1757 | .base = S5PC100_GPJ3(0), | |
1758 | .ngpio = S5PC100_GPIO_J3_NR, | |
1759 | .label = "GPJ3", | |
1760 | }, | |
1761 | }, { | |
1762 | .chip = { | |
1763 | .base = S5PC100_GPJ4(0), | |
1764 | .ngpio = S5PC100_GPIO_J4_NR, | |
1765 | .label = "GPJ4", | |
1766 | }, | |
1767 | }, { | |
1768 | .chip = { | |
1769 | .base = S5PC100_GPK0(0), | |
1770 | .ngpio = S5PC100_GPIO_K0_NR, | |
1771 | .label = "GPK0", | |
1772 | }, | |
1773 | }, { | |
1774 | .chip = { | |
1775 | .base = S5PC100_GPK1(0), | |
1776 | .ngpio = S5PC100_GPIO_K1_NR, | |
1777 | .label = "GPK1", | |
1778 | }, | |
1779 | }, { | |
1780 | .chip = { | |
1781 | .base = S5PC100_GPK2(0), | |
1782 | .ngpio = S5PC100_GPIO_K2_NR, | |
1783 | .label = "GPK2", | |
1784 | }, | |
1785 | }, { | |
1786 | .chip = { | |
1787 | .base = S5PC100_GPK3(0), | |
1788 | .ngpio = S5PC100_GPIO_K3_NR, | |
1789 | .label = "GPK3", | |
1790 | }, | |
1791 | }, { | |
1792 | .chip = { | |
1793 | .base = S5PC100_GPL0(0), | |
1794 | .ngpio = S5PC100_GPIO_L0_NR, | |
1795 | .label = "GPL0", | |
1796 | }, | |
1797 | }, { | |
1798 | .chip = { | |
1799 | .base = S5PC100_GPL1(0), | |
1800 | .ngpio = S5PC100_GPIO_L1_NR, | |
1801 | .label = "GPL1", | |
1802 | }, | |
1803 | }, { | |
1804 | .chip = { | |
1805 | .base = S5PC100_GPL2(0), | |
1806 | .ngpio = S5PC100_GPIO_L2_NR, | |
1807 | .label = "GPL2", | |
1808 | }, | |
1809 | }, { | |
1810 | .chip = { | |
1811 | .base = S5PC100_GPL3(0), | |
1812 | .ngpio = S5PC100_GPIO_L3_NR, | |
1813 | .label = "GPL3", | |
1814 | }, | |
1815 | }, { | |
1816 | .chip = { | |
1817 | .base = S5PC100_GPL4(0), | |
1818 | .ngpio = S5PC100_GPIO_L4_NR, | |
1819 | .label = "GPL4", | |
1820 | }, | |
1821 | }, { | |
1822 | .base = (S5P_VA_GPIO + 0xC00), | |
1823 | .irq_base = IRQ_EINT(0), | |
1824 | .chip = { | |
1825 | .base = S5PC100_GPH0(0), | |
1826 | .ngpio = S5PC100_GPIO_H0_NR, | |
1827 | .label = "GPH0", | |
1828 | .to_irq = samsung_gpiolib_to_irq, | |
1829 | }, | |
1830 | }, { | |
1831 | .base = (S5P_VA_GPIO + 0xC20), | |
1832 | .irq_base = IRQ_EINT(8), | |
1833 | .chip = { | |
1834 | .base = S5PC100_GPH1(0), | |
1835 | .ngpio = S5PC100_GPIO_H1_NR, | |
1836 | .label = "GPH1", | |
1837 | .to_irq = samsung_gpiolib_to_irq, | |
1838 | }, | |
1839 | }, { | |
1840 | .base = (S5P_VA_GPIO + 0xC40), | |
1841 | .irq_base = IRQ_EINT(16), | |
1842 | .chip = { | |
1843 | .base = S5PC100_GPH2(0), | |
1844 | .ngpio = S5PC100_GPIO_H2_NR, | |
1845 | .label = "GPH2", | |
1846 | .to_irq = samsung_gpiolib_to_irq, | |
1847 | }, | |
1848 | }, { | |
1849 | .base = (S5P_VA_GPIO + 0xC60), | |
1850 | .irq_base = IRQ_EINT(24), | |
1851 | .chip = { | |
1852 | .base = S5PC100_GPH3(0), | |
1853 | .ngpio = S5PC100_GPIO_H3_NR, | |
1854 | .label = "GPH3", | |
1855 | .to_irq = samsung_gpiolib_to_irq, | |
1856 | }, | |
1857 | }, | |
1858 | #endif | |
1859 | }; | |
1860 | ||
1861 | /* | |
1862 | * Followings are the gpio banks in S5PV210/S5PC110 | |
1863 | * | |
1864 | * The 'config' member when left to NULL, is initialized to the default | |
1865 | * structure samsung_gpio_cfgs[4] in the init function below. | |
1866 | * | |
1867 | * The 'base' member is also initialized in the init function below. | |
1868 | * Note: The initialization of 'base' member of samsung_gpio_chip structure | |
1869 | * uses the above macro and depends on the banks being listed in order here. | |
1870 | */ | |
1871 | ||
1872 | static struct samsung_gpio_chip s5pv210_gpios_4bit[] = { | |
1873 | #ifdef CONFIG_CPU_S5PV210 | |
1874 | { | |
1875 | .chip = { | |
1876 | .base = S5PV210_GPA0(0), | |
1877 | .ngpio = S5PV210_GPIO_A0_NR, | |
1878 | .label = "GPA0", | |
1879 | }, | |
1880 | }, { | |
1881 | .chip = { | |
1882 | .base = S5PV210_GPA1(0), | |
1883 | .ngpio = S5PV210_GPIO_A1_NR, | |
1884 | .label = "GPA1", | |
1885 | }, | |
1886 | }, { | |
1887 | .chip = { | |
1888 | .base = S5PV210_GPB(0), | |
1889 | .ngpio = S5PV210_GPIO_B_NR, | |
1890 | .label = "GPB", | |
1891 | }, | |
1892 | }, { | |
1893 | .chip = { | |
1894 | .base = S5PV210_GPC0(0), | |
1895 | .ngpio = S5PV210_GPIO_C0_NR, | |
1896 | .label = "GPC0", | |
1897 | }, | |
1898 | }, { | |
1899 | .chip = { | |
1900 | .base = S5PV210_GPC1(0), | |
1901 | .ngpio = S5PV210_GPIO_C1_NR, | |
1902 | .label = "GPC1", | |
1903 | }, | |
1904 | }, { | |
1905 | .chip = { | |
1906 | .base = S5PV210_GPD0(0), | |
1907 | .ngpio = S5PV210_GPIO_D0_NR, | |
1908 | .label = "GPD0", | |
1909 | }, | |
1910 | }, { | |
1911 | .chip = { | |
1912 | .base = S5PV210_GPD1(0), | |
1913 | .ngpio = S5PV210_GPIO_D1_NR, | |
1914 | .label = "GPD1", | |
1915 | }, | |
1916 | }, { | |
1917 | .chip = { | |
1918 | .base = S5PV210_GPE0(0), | |
1919 | .ngpio = S5PV210_GPIO_E0_NR, | |
1920 | .label = "GPE0", | |
1921 | }, | |
1922 | }, { | |
1923 | .chip = { | |
1924 | .base = S5PV210_GPE1(0), | |
1925 | .ngpio = S5PV210_GPIO_E1_NR, | |
1926 | .label = "GPE1", | |
1927 | }, | |
1928 | }, { | |
1929 | .chip = { | |
1930 | .base = S5PV210_GPF0(0), | |
1931 | .ngpio = S5PV210_GPIO_F0_NR, | |
1932 | .label = "GPF0", | |
1933 | }, | |
1934 | }, { | |
1935 | .chip = { | |
1936 | .base = S5PV210_GPF1(0), | |
1937 | .ngpio = S5PV210_GPIO_F1_NR, | |
1938 | .label = "GPF1", | |
1939 | }, | |
1940 | }, { | |
1941 | .chip = { | |
1942 | .base = S5PV210_GPF2(0), | |
1943 | .ngpio = S5PV210_GPIO_F2_NR, | |
1944 | .label = "GPF2", | |
1945 | }, | |
1946 | }, { | |
1947 | .chip = { | |
1948 | .base = S5PV210_GPF3(0), | |
1949 | .ngpio = S5PV210_GPIO_F3_NR, | |
1950 | .label = "GPF3", | |
1951 | }, | |
1952 | }, { | |
1953 | .chip = { | |
1954 | .base = S5PV210_GPG0(0), | |
1955 | .ngpio = S5PV210_GPIO_G0_NR, | |
1956 | .label = "GPG0", | |
1957 | }, | |
1958 | }, { | |
1959 | .chip = { | |
1960 | .base = S5PV210_GPG1(0), | |
1961 | .ngpio = S5PV210_GPIO_G1_NR, | |
1962 | .label = "GPG1", | |
1963 | }, | |
1964 | }, { | |
1965 | .chip = { | |
1966 | .base = S5PV210_GPG2(0), | |
1967 | .ngpio = S5PV210_GPIO_G2_NR, | |
1968 | .label = "GPG2", | |
1969 | }, | |
1970 | }, { | |
1971 | .chip = { | |
1972 | .base = S5PV210_GPG3(0), | |
1973 | .ngpio = S5PV210_GPIO_G3_NR, | |
1974 | .label = "GPG3", | |
1975 | }, | |
1976 | }, { | |
1977 | .chip = { | |
1978 | .base = S5PV210_GPI(0), | |
1979 | .ngpio = S5PV210_GPIO_I_NR, | |
1980 | .label = "GPI", | |
1981 | }, | |
1982 | }, { | |
1983 | .chip = { | |
1984 | .base = S5PV210_GPJ0(0), | |
1985 | .ngpio = S5PV210_GPIO_J0_NR, | |
1986 | .label = "GPJ0", | |
1987 | }, | |
1988 | }, { | |
1989 | .chip = { | |
1990 | .base = S5PV210_GPJ1(0), | |
1991 | .ngpio = S5PV210_GPIO_J1_NR, | |
1992 | .label = "GPJ1", | |
1993 | }, | |
1994 | }, { | |
1995 | .chip = { | |
1996 | .base = S5PV210_GPJ2(0), | |
1997 | .ngpio = S5PV210_GPIO_J2_NR, | |
1998 | .label = "GPJ2", | |
1999 | }, | |
2000 | }, { | |
2001 | .chip = { | |
2002 | .base = S5PV210_GPJ3(0), | |
2003 | .ngpio = S5PV210_GPIO_J3_NR, | |
2004 | .label = "GPJ3", | |
2005 | }, | |
2006 | }, { | |
2007 | .chip = { | |
2008 | .base = S5PV210_GPJ4(0), | |
2009 | .ngpio = S5PV210_GPIO_J4_NR, | |
2010 | .label = "GPJ4", | |
2011 | }, | |
2012 | }, { | |
2013 | .chip = { | |
2014 | .base = S5PV210_MP01(0), | |
2015 | .ngpio = S5PV210_GPIO_MP01_NR, | |
2016 | .label = "MP01", | |
2017 | }, | |
2018 | }, { | |
2019 | .chip = { | |
2020 | .base = S5PV210_MP02(0), | |
2021 | .ngpio = S5PV210_GPIO_MP02_NR, | |
2022 | .label = "MP02", | |
2023 | }, | |
2024 | }, { | |
2025 | .chip = { | |
2026 | .base = S5PV210_MP03(0), | |
2027 | .ngpio = S5PV210_GPIO_MP03_NR, | |
2028 | .label = "MP03", | |
2029 | }, | |
2030 | }, { | |
2031 | .chip = { | |
2032 | .base = S5PV210_MP04(0), | |
2033 | .ngpio = S5PV210_GPIO_MP04_NR, | |
2034 | .label = "MP04", | |
2035 | }, | |
2036 | }, { | |
2037 | .chip = { | |
2038 | .base = S5PV210_MP05(0), | |
2039 | .ngpio = S5PV210_GPIO_MP05_NR, | |
2040 | .label = "MP05", | |
2041 | }, | |
2042 | }, { | |
2043 | .base = (S5P_VA_GPIO + 0xC00), | |
2044 | .irq_base = IRQ_EINT(0), | |
2045 | .chip = { | |
2046 | .base = S5PV210_GPH0(0), | |
2047 | .ngpio = S5PV210_GPIO_H0_NR, | |
2048 | .label = "GPH0", | |
2049 | .to_irq = samsung_gpiolib_to_irq, | |
2050 | }, | |
2051 | }, { | |
2052 | .base = (S5P_VA_GPIO + 0xC20), | |
2053 | .irq_base = IRQ_EINT(8), | |
2054 | .chip = { | |
2055 | .base = S5PV210_GPH1(0), | |
2056 | .ngpio = S5PV210_GPIO_H1_NR, | |
2057 | .label = "GPH1", | |
2058 | .to_irq = samsung_gpiolib_to_irq, | |
2059 | }, | |
2060 | }, { | |
2061 | .base = (S5P_VA_GPIO + 0xC40), | |
2062 | .irq_base = IRQ_EINT(16), | |
2063 | .chip = { | |
2064 | .base = S5PV210_GPH2(0), | |
2065 | .ngpio = S5PV210_GPIO_H2_NR, | |
2066 | .label = "GPH2", | |
2067 | .to_irq = samsung_gpiolib_to_irq, | |
2068 | }, | |
2069 | }, { | |
2070 | .base = (S5P_VA_GPIO + 0xC60), | |
2071 | .irq_base = IRQ_EINT(24), | |
2072 | .chip = { | |
2073 | .base = S5PV210_GPH3(0), | |
2074 | .ngpio = S5PV210_GPIO_H3_NR, | |
2075 | .label = "GPH3", | |
2076 | .to_irq = samsung_gpiolib_to_irq, | |
2077 | }, | |
2078 | }, | |
2079 | #endif | |
2080 | }; | |
2081 | ||
2082 | /* | |
2083 | * Followings are the gpio banks in EXYNOS4210 | |
2084 | * | |
2085 | * The 'config' member when left to NULL, is initialized to the default | |
2086 | * structure samsung_gpio_cfgs[4] in the init function below. | |
2087 | * | |
2088 | * The 'base' member is also initialized in the init function below. | |
2089 | * Note: The initialization of 'base' member of samsung_gpio_chip structure | |
2090 | * uses the above macro and depends on the banks being listed in order here. | |
2091 | */ | |
2092 | ||
2093 | static struct samsung_gpio_chip exynos4_gpios_1[] = { | |
2094 | #ifdef CONFIG_ARCH_EXYNOS4 | |
2095 | { | |
2096 | .chip = { | |
2097 | .base = EXYNOS4_GPA0(0), | |
2098 | .ngpio = EXYNOS4_GPIO_A0_NR, | |
2099 | .label = "GPA0", | |
2100 | }, | |
2101 | }, { | |
2102 | .chip = { | |
2103 | .base = EXYNOS4_GPA1(0), | |
2104 | .ngpio = EXYNOS4_GPIO_A1_NR, | |
2105 | .label = "GPA1", | |
2106 | }, | |
2107 | }, { | |
2108 | .chip = { | |
2109 | .base = EXYNOS4_GPB(0), | |
2110 | .ngpio = EXYNOS4_GPIO_B_NR, | |
2111 | .label = "GPB", | |
2112 | }, | |
2113 | }, { | |
2114 | .chip = { | |
2115 | .base = EXYNOS4_GPC0(0), | |
2116 | .ngpio = EXYNOS4_GPIO_C0_NR, | |
2117 | .label = "GPC0", | |
2118 | }, | |
2119 | }, { | |
2120 | .chip = { | |
2121 | .base = EXYNOS4_GPC1(0), | |
2122 | .ngpio = EXYNOS4_GPIO_C1_NR, | |
2123 | .label = "GPC1", | |
2124 | }, | |
2125 | }, { | |
2126 | .chip = { | |
2127 | .base = EXYNOS4_GPD0(0), | |
2128 | .ngpio = EXYNOS4_GPIO_D0_NR, | |
2129 | .label = "GPD0", | |
2130 | }, | |
2131 | }, { | |
2132 | .chip = { | |
2133 | .base = EXYNOS4_GPD1(0), | |
2134 | .ngpio = EXYNOS4_GPIO_D1_NR, | |
2135 | .label = "GPD1", | |
2136 | }, | |
2137 | }, { | |
2138 | .chip = { | |
2139 | .base = EXYNOS4_GPE0(0), | |
2140 | .ngpio = EXYNOS4_GPIO_E0_NR, | |
2141 | .label = "GPE0", | |
2142 | }, | |
2143 | }, { | |
2144 | .chip = { | |
2145 | .base = EXYNOS4_GPE1(0), | |
2146 | .ngpio = EXYNOS4_GPIO_E1_NR, | |
2147 | .label = "GPE1", | |
2148 | }, | |
2149 | }, { | |
2150 | .chip = { | |
2151 | .base = EXYNOS4_GPE2(0), | |
2152 | .ngpio = EXYNOS4_GPIO_E2_NR, | |
2153 | .label = "GPE2", | |
2154 | }, | |
2155 | }, { | |
2156 | .chip = { | |
2157 | .base = EXYNOS4_GPE3(0), | |
2158 | .ngpio = EXYNOS4_GPIO_E3_NR, | |
2159 | .label = "GPE3", | |
2160 | }, | |
2161 | }, { | |
2162 | .chip = { | |
2163 | .base = EXYNOS4_GPE4(0), | |
2164 | .ngpio = EXYNOS4_GPIO_E4_NR, | |
2165 | .label = "GPE4", | |
2166 | }, | |
2167 | }, { | |
2168 | .chip = { | |
2169 | .base = EXYNOS4_GPF0(0), | |
2170 | .ngpio = EXYNOS4_GPIO_F0_NR, | |
2171 | .label = "GPF0", | |
2172 | }, | |
2173 | }, { | |
2174 | .chip = { | |
2175 | .base = EXYNOS4_GPF1(0), | |
2176 | .ngpio = EXYNOS4_GPIO_F1_NR, | |
2177 | .label = "GPF1", | |
2178 | }, | |
2179 | }, { | |
2180 | .chip = { | |
2181 | .base = EXYNOS4_GPF2(0), | |
2182 | .ngpio = EXYNOS4_GPIO_F2_NR, | |
2183 | .label = "GPF2", | |
2184 | }, | |
2185 | }, { | |
2186 | .chip = { | |
2187 | .base = EXYNOS4_GPF3(0), | |
2188 | .ngpio = EXYNOS4_GPIO_F3_NR, | |
2189 | .label = "GPF3", | |
2190 | }, | |
2191 | }, | |
2192 | #endif | |
2193 | }; | |
2194 | ||
2195 | static struct samsung_gpio_chip exynos4_gpios_2[] = { | |
2196 | #ifdef CONFIG_ARCH_EXYNOS4 | |
2197 | { | |
2198 | .chip = { | |
2199 | .base = EXYNOS4_GPJ0(0), | |
2200 | .ngpio = EXYNOS4_GPIO_J0_NR, | |
2201 | .label = "GPJ0", | |
2202 | }, | |
2203 | }, { | |
2204 | .chip = { | |
2205 | .base = EXYNOS4_GPJ1(0), | |
2206 | .ngpio = EXYNOS4_GPIO_J1_NR, | |
2207 | .label = "GPJ1", | |
2208 | }, | |
2209 | }, { | |
2210 | .chip = { | |
2211 | .base = EXYNOS4_GPK0(0), | |
2212 | .ngpio = EXYNOS4_GPIO_K0_NR, | |
2213 | .label = "GPK0", | |
2214 | }, | |
2215 | }, { | |
2216 | .chip = { | |
2217 | .base = EXYNOS4_GPK1(0), | |
2218 | .ngpio = EXYNOS4_GPIO_K1_NR, | |
2219 | .label = "GPK1", | |
2220 | }, | |
2221 | }, { | |
2222 | .chip = { | |
2223 | .base = EXYNOS4_GPK2(0), | |
2224 | .ngpio = EXYNOS4_GPIO_K2_NR, | |
2225 | .label = "GPK2", | |
2226 | }, | |
2227 | }, { | |
2228 | .chip = { | |
2229 | .base = EXYNOS4_GPK3(0), | |
2230 | .ngpio = EXYNOS4_GPIO_K3_NR, | |
2231 | .label = "GPK3", | |
2232 | }, | |
2233 | }, { | |
2234 | .chip = { | |
2235 | .base = EXYNOS4_GPL0(0), | |
2236 | .ngpio = EXYNOS4_GPIO_L0_NR, | |
2237 | .label = "GPL0", | |
2238 | }, | |
2239 | }, { | |
2240 | .chip = { | |
2241 | .base = EXYNOS4_GPL1(0), | |
2242 | .ngpio = EXYNOS4_GPIO_L1_NR, | |
2243 | .label = "GPL1", | |
2244 | }, | |
2245 | }, { | |
2246 | .chip = { | |
2247 | .base = EXYNOS4_GPL2(0), | |
2248 | .ngpio = EXYNOS4_GPIO_L2_NR, | |
2249 | .label = "GPL2", | |
2250 | }, | |
2251 | }, { | |
2252 | .config = &samsung_gpio_cfgs[4], | |
2253 | .chip = { | |
2254 | .base = EXYNOS4_GPY0(0), | |
2255 | .ngpio = EXYNOS4_GPIO_Y0_NR, | |
2256 | .label = "GPY0", | |
2257 | }, | |
2258 | }, { | |
2259 | .config = &samsung_gpio_cfgs[4], | |
2260 | .chip = { | |
2261 | .base = EXYNOS4_GPY1(0), | |
2262 | .ngpio = EXYNOS4_GPIO_Y1_NR, | |
2263 | .label = "GPY1", | |
2264 | }, | |
2265 | }, { | |
2266 | .config = &samsung_gpio_cfgs[4], | |
2267 | .chip = { | |
2268 | .base = EXYNOS4_GPY2(0), | |
2269 | .ngpio = EXYNOS4_GPIO_Y2_NR, | |
2270 | .label = "GPY2", | |
2271 | }, | |
2272 | }, { | |
2273 | .config = &samsung_gpio_cfgs[4], | |
2274 | .chip = { | |
2275 | .base = EXYNOS4_GPY3(0), | |
2276 | .ngpio = EXYNOS4_GPIO_Y3_NR, | |
2277 | .label = "GPY3", | |
2278 | }, | |
2279 | }, { | |
2280 | .config = &samsung_gpio_cfgs[4], | |
2281 | .chip = { | |
2282 | .base = EXYNOS4_GPY4(0), | |
2283 | .ngpio = EXYNOS4_GPIO_Y4_NR, | |
2284 | .label = "GPY4", | |
2285 | }, | |
2286 | }, { | |
2287 | .config = &samsung_gpio_cfgs[4], | |
2288 | .chip = { | |
2289 | .base = EXYNOS4_GPY5(0), | |
2290 | .ngpio = EXYNOS4_GPIO_Y5_NR, | |
2291 | .label = "GPY5", | |
2292 | }, | |
2293 | }, { | |
2294 | .config = &samsung_gpio_cfgs[4], | |
2295 | .chip = { | |
2296 | .base = EXYNOS4_GPY6(0), | |
2297 | .ngpio = EXYNOS4_GPIO_Y6_NR, | |
2298 | .label = "GPY6", | |
2299 | }, | |
2300 | }, { | |
2301 | .base = (S5P_VA_GPIO2 + 0xC00), | |
2302 | .config = &samsung_gpio_cfgs[4], | |
2303 | .irq_base = IRQ_EINT(0), | |
2304 | .chip = { | |
2305 | .base = EXYNOS4_GPX0(0), | |
2306 | .ngpio = EXYNOS4_GPIO_X0_NR, | |
2307 | .label = "GPX0", | |
2308 | .to_irq = samsung_gpiolib_to_irq, | |
2309 | }, | |
2310 | }, { | |
2311 | .base = (S5P_VA_GPIO2 + 0xC20), | |
2312 | .config = &samsung_gpio_cfgs[4], | |
2313 | .irq_base = IRQ_EINT(8), | |
2314 | .chip = { | |
2315 | .base = EXYNOS4_GPX1(0), | |
2316 | .ngpio = EXYNOS4_GPIO_X1_NR, | |
2317 | .label = "GPX1", | |
2318 | .to_irq = samsung_gpiolib_to_irq, | |
2319 | }, | |
2320 | }, { | |
2321 | .base = (S5P_VA_GPIO2 + 0xC40), | |
2322 | .config = &samsung_gpio_cfgs[4], | |
2323 | .irq_base = IRQ_EINT(16), | |
2324 | .chip = { | |
2325 | .base = EXYNOS4_GPX2(0), | |
2326 | .ngpio = EXYNOS4_GPIO_X2_NR, | |
2327 | .label = "GPX2", | |
2328 | .to_irq = samsung_gpiolib_to_irq, | |
2329 | }, | |
2330 | }, { | |
2331 | .base = (S5P_VA_GPIO2 + 0xC60), | |
2332 | .config = &samsung_gpio_cfgs[4], | |
2333 | .irq_base = IRQ_EINT(24), | |
2334 | .chip = { | |
2335 | .base = EXYNOS4_GPX3(0), | |
2336 | .ngpio = EXYNOS4_GPIO_X3_NR, | |
2337 | .label = "GPX3", | |
2338 | .to_irq = samsung_gpiolib_to_irq, | |
2339 | }, | |
2340 | }, | |
2341 | #endif | |
2342 | }; | |
2343 | ||
2344 | static struct samsung_gpio_chip exynos4_gpios_3[] = { | |
2345 | #ifdef CONFIG_ARCH_EXYNOS4 | |
2346 | { | |
2347 | .chip = { | |
2348 | .base = EXYNOS4_GPZ(0), | |
2349 | .ngpio = EXYNOS4_GPIO_Z_NR, | |
2350 | .label = "GPZ", | |
2351 | }, | |
2352 | }, | |
2353 | #endif | |
2354 | }; | |
2355 | ||
2356 | /* TODO: cleanup soc_is_* */ | |
2357 | static __init int samsung_gpiolib_init(void) | |
2358 | { | |
2359 | struct samsung_gpio_chip *chip; | |
2360 | int i, nr_chips; | |
2361 | int group = 0; | |
2362 | ||
2363 | samsung_gpiolib_set_cfg(samsung_gpio_cfgs, ARRAY_SIZE(samsung_gpio_cfgs)); | |
2364 | ||
2365 | if (soc_is_s3c24xx()) { | |
2366 | s3c24xx_gpiolib_add_chips(s3c24xx_gpios, | |
2367 | ARRAY_SIZE(s3c24xx_gpios), S3C24XX_VA_GPIO); | |
2368 | } else if (soc_is_s3c64xx()) { | |
2369 | samsung_gpiolib_add_2bit_chips(s3c64xx_gpios_2bit, | |
2370 | ARRAY_SIZE(s3c64xx_gpios_2bit), | |
2371 | S3C64XX_VA_GPIO + 0xE0, 0x20); | |
2372 | samsung_gpiolib_add_4bit_chips(s3c64xx_gpios_4bit, | |
2373 | ARRAY_SIZE(s3c64xx_gpios_4bit), | |
2374 | S3C64XX_VA_GPIO); | |
2375 | samsung_gpiolib_add_4bit2_chips(s3c64xx_gpios_4bit2, | |
2376 | ARRAY_SIZE(s3c64xx_gpios_4bit2)); | |
2377 | } else if (soc_is_s5p6440()) { | |
2378 | samsung_gpiolib_add_2bit_chips(s5p6440_gpios_2bit, | |
2379 | ARRAY_SIZE(s5p6440_gpios_2bit), NULL, 0x0); | |
2380 | samsung_gpiolib_add_4bit_chips(s5p6440_gpios_4bit, | |
2381 | ARRAY_SIZE(s5p6440_gpios_4bit), S5P_VA_GPIO); | |
2382 | samsung_gpiolib_add_4bit2_chips(s5p6440_gpios_4bit2, | |
2383 | ARRAY_SIZE(s5p6440_gpios_4bit2)); | |
2384 | s5p64x0_gpiolib_add_rbank(s5p6440_gpios_rbank, | |
2385 | ARRAY_SIZE(s5p6440_gpios_rbank)); | |
2386 | } else if (soc_is_s5p6450()) { | |
2387 | samsung_gpiolib_add_2bit_chips(s5p6450_gpios_2bit, | |
2388 | ARRAY_SIZE(s5p6450_gpios_2bit), NULL, 0x0); | |
2389 | samsung_gpiolib_add_4bit_chips(s5p6450_gpios_4bit, | |
2390 | ARRAY_SIZE(s5p6450_gpios_4bit), S5P_VA_GPIO); | |
2391 | samsung_gpiolib_add_4bit2_chips(s5p6450_gpios_4bit2, | |
2392 | ARRAY_SIZE(s5p6450_gpios_4bit2)); | |
2393 | s5p64x0_gpiolib_add_rbank(s5p6450_gpios_rbank, | |
2394 | ARRAY_SIZE(s5p6450_gpios_rbank)); | |
2395 | } else if (soc_is_s5pc100()) { | |
2396 | group = 0; | |
2397 | chip = s5pc100_gpios_4bit; | |
2398 | nr_chips = ARRAY_SIZE(s5pc100_gpios_4bit); | |
2399 | ||
2400 | for (i = 0; i < nr_chips; i++, chip++) { | |
2401 | if (!chip->config) { | |
2402 | chip->config = &samsung_gpio_cfgs[4]; | |
2403 | chip->group = group++; | |
2404 | } | |
2405 | } | |
2406 | samsung_gpiolib_add_4bit_chips(s5pc100_gpios_4bit, nr_chips, S5P_VA_GPIO); | |
2407 | #if defined(CONFIG_CPU_S5PC100) && defined(CONFIG_S5P_GPIO_INT) | |
2408 | s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); | |
2409 | #endif | |
2410 | } else if (soc_is_s5pv210()) { | |
2411 | group = 0; | |
2412 | chip = s5pv210_gpios_4bit; | |
2413 | nr_chips = ARRAY_SIZE(s5pv210_gpios_4bit); | |
2414 | ||
2415 | for (i = 0; i < nr_chips; i++, chip++) { | |
2416 | if (!chip->config) { | |
2417 | chip->config = &samsung_gpio_cfgs[4]; | |
2418 | chip->group = group++; | |
2419 | } | |
2420 | } | |
2421 | samsung_gpiolib_add_4bit_chips(s5pv210_gpios_4bit, nr_chips, S5P_VA_GPIO); | |
2422 | #if defined(CONFIG_CPU_S5PV210) && defined(CONFIG_S5P_GPIO_INT) | |
2423 | s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); | |
2424 | #endif | |
2425 | } else if (soc_is_exynos4210()) { | |
2426 | group = 0; | |
2427 | ||
2428 | /* gpio part1 */ | |
2429 | chip = exynos4_gpios_1; | |
2430 | nr_chips = ARRAY_SIZE(exynos4_gpios_1); | |
2431 | ||
2432 | for (i = 0; i < nr_chips; i++, chip++) { | |
2433 | if (!chip->config) { | |
2434 | chip->config = &exynos4_gpio_cfg; | |
2435 | chip->group = group++; | |
2436 | } | |
2437 | } | |
2438 | samsung_gpiolib_add_4bit_chips(exynos4_gpios_1, nr_chips, S5P_VA_GPIO1); | |
2439 | ||
2440 | /* gpio part2 */ | |
2441 | chip = exynos4_gpios_2; | |
2442 | nr_chips = ARRAY_SIZE(exynos4_gpios_2); | |
2443 | ||
2444 | for (i = 0; i < nr_chips; i++, chip++) { | |
2445 | if (!chip->config) { | |
2446 | chip->config = &exynos4_gpio_cfg; | |
2447 | chip->group = group++; | |
2448 | } | |
2449 | } | |
2450 | samsung_gpiolib_add_4bit_chips(exynos4_gpios_2, nr_chips, S5P_VA_GPIO2); | |
2451 | ||
2452 | /* gpio part3 */ | |
2453 | chip = exynos4_gpios_3; | |
2454 | nr_chips = ARRAY_SIZE(exynos4_gpios_3); | |
2455 | ||
2456 | for (i = 0; i < nr_chips; i++, chip++) { | |
2457 | if (!chip->config) { | |
2458 | chip->config = &exynos4_gpio_cfg; | |
2459 | chip->group = group++; | |
2460 | } | |
2461 | } | |
2462 | samsung_gpiolib_add_4bit_chips(exynos4_gpios_3, nr_chips, S5P_VA_GPIO3); | |
2463 | ||
3538d5f3 | 2464 | #if defined(CONFIG_CPU_EXYNOS4210) && defined(CONFIG_S5P_GPIO_INT) |
1b39d5f2 KK |
2465 | s5p_register_gpioint_bank(IRQ_GPIO_XA, 0, IRQ_GPIO1_NR_GROUPS); |
2466 | s5p_register_gpioint_bank(IRQ_GPIO_XB, IRQ_GPIO1_NR_GROUPS, IRQ_GPIO2_NR_GROUPS); | |
2467 | #endif | |
2468 | } | |
2469 | ||
2470 | return 0; | |
2471 | } | |
2472 | core_initcall(samsung_gpiolib_init); | |
2473 | ||
2474 | int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) | |
2475 | { | |
2476 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
2477 | unsigned long flags; | |
2478 | int offset; | |
2479 | int ret; | |
2480 | ||
2481 | if (!chip) | |
2482 | return -EINVAL; | |
2483 | ||
2484 | offset = pin - chip->chip.base; | |
2485 | ||
2486 | samsung_gpio_lock(chip, flags); | |
2487 | ret = samsung_gpio_do_setcfg(chip, offset, config); | |
2488 | samsung_gpio_unlock(chip, flags); | |
2489 | ||
2490 | return ret; | |
2491 | } | |
2492 | EXPORT_SYMBOL(s3c_gpio_cfgpin); | |
2493 | ||
2494 | int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, | |
2495 | unsigned int cfg) | |
2496 | { | |
2497 | int ret; | |
2498 | ||
2499 | for (; nr > 0; nr--, start++) { | |
2500 | ret = s3c_gpio_cfgpin(start, cfg); | |
2501 | if (ret != 0) | |
2502 | return ret; | |
2503 | } | |
2504 | ||
2505 | return 0; | |
2506 | } | |
2507 | EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range); | |
2508 | ||
2509 | int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, | |
2510 | unsigned int cfg, samsung_gpio_pull_t pull) | |
2511 | { | |
2512 | int ret; | |
2513 | ||
2514 | for (; nr > 0; nr--, start++) { | |
2515 | s3c_gpio_setpull(start, pull); | |
2516 | ret = s3c_gpio_cfgpin(start, cfg); | |
2517 | if (ret != 0) | |
2518 | return ret; | |
2519 | } | |
2520 | ||
2521 | return 0; | |
2522 | } | |
2523 | EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range); | |
2524 | ||
2525 | unsigned s3c_gpio_getcfg(unsigned int pin) | |
2526 | { | |
2527 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
2528 | unsigned long flags; | |
2529 | unsigned ret = 0; | |
2530 | int offset; | |
2531 | ||
2532 | if (chip) { | |
2533 | offset = pin - chip->chip.base; | |
2534 | ||
2535 | samsung_gpio_lock(chip, flags); | |
2536 | ret = samsung_gpio_do_getcfg(chip, offset); | |
2537 | samsung_gpio_unlock(chip, flags); | |
2538 | } | |
2539 | ||
2540 | return ret; | |
2541 | } | |
2542 | EXPORT_SYMBOL(s3c_gpio_getcfg); | |
2543 | ||
2544 | int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull) | |
2545 | { | |
2546 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
2547 | unsigned long flags; | |
2548 | int offset, ret; | |
2549 | ||
2550 | if (!chip) | |
2551 | return -EINVAL; | |
2552 | ||
2553 | offset = pin - chip->chip.base; | |
2554 | ||
2555 | samsung_gpio_lock(chip, flags); | |
2556 | ret = samsung_gpio_do_setpull(chip, offset, pull); | |
2557 | samsung_gpio_unlock(chip, flags); | |
2558 | ||
2559 | return ret; | |
2560 | } | |
2561 | EXPORT_SYMBOL(s3c_gpio_setpull); | |
2562 | ||
2563 | samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin) | |
2564 | { | |
2565 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
2566 | unsigned long flags; | |
2567 | int offset; | |
2568 | u32 pup = 0; | |
2569 | ||
2570 | if (chip) { | |
2571 | offset = pin - chip->chip.base; | |
2572 | ||
2573 | samsung_gpio_lock(chip, flags); | |
2574 | pup = samsung_gpio_do_getpull(chip, offset); | |
2575 | samsung_gpio_unlock(chip, flags); | |
2576 | } | |
2577 | ||
2578 | return (__force samsung_gpio_pull_t)pup; | |
2579 | } | |
2580 | EXPORT_SYMBOL(s3c_gpio_getpull); | |
2581 | ||
2582 | /* gpiolib wrappers until these are totally eliminated */ | |
2583 | ||
2584 | void s3c2410_gpio_pullup(unsigned int pin, unsigned int to) | |
2585 | { | |
2586 | int ret; | |
2587 | ||
2588 | WARN_ON(to); /* should be none of these left */ | |
2589 | ||
2590 | if (!to) { | |
2591 | /* if pull is enabled, try first with up, and if that | |
2592 | * fails, try using down */ | |
2593 | ||
2594 | ret = s3c_gpio_setpull(pin, S3C_GPIO_PULL_UP); | |
2595 | if (ret) | |
2596 | s3c_gpio_setpull(pin, S3C_GPIO_PULL_DOWN); | |
2597 | } else { | |
2598 | s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE); | |
2599 | } | |
2600 | } | |
2601 | EXPORT_SYMBOL(s3c2410_gpio_pullup); | |
2602 | ||
2603 | void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) | |
2604 | { | |
2605 | /* do this via gpiolib until all users removed */ | |
2606 | ||
2607 | gpio_request(pin, "temporary"); | |
2608 | gpio_set_value(pin, to); | |
2609 | gpio_free(pin); | |
2610 | } | |
2611 | EXPORT_SYMBOL(s3c2410_gpio_setpin); | |
2612 | ||
2613 | unsigned int s3c2410_gpio_getpin(unsigned int pin) | |
2614 | { | |
2615 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
2616 | unsigned long offs = pin - chip->chip.base; | |
2617 | ||
2618 | return __raw_readl(chip->base + 0x04) & (1 << offs); | |
2619 | } | |
2620 | EXPORT_SYMBOL(s3c2410_gpio_getpin); | |
2621 | ||
2622 | #ifdef CONFIG_S5P_GPIO_DRVSTR | |
2623 | s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin) | |
2624 | { | |
2625 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
2626 | unsigned int off; | |
2627 | void __iomem *reg; | |
2628 | int shift; | |
2629 | u32 drvstr; | |
2630 | ||
2631 | if (!chip) | |
2632 | return -EINVAL; | |
2633 | ||
2634 | off = pin - chip->chip.base; | |
2635 | shift = off * 2; | |
2636 | reg = chip->base + 0x0C; | |
2637 | ||
2638 | drvstr = __raw_readl(reg); | |
2639 | drvstr = drvstr >> shift; | |
2640 | drvstr &= 0x3; | |
2641 | ||
2642 | return (__force s5p_gpio_drvstr_t)drvstr; | |
2643 | } | |
2644 | EXPORT_SYMBOL(s5p_gpio_get_drvstr); | |
2645 | ||
2646 | int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr) | |
2647 | { | |
2648 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
2649 | unsigned int off; | |
2650 | void __iomem *reg; | |
2651 | int shift; | |
2652 | u32 tmp; | |
2653 | ||
2654 | if (!chip) | |
2655 | return -EINVAL; | |
2656 | ||
2657 | off = pin - chip->chip.base; | |
2658 | shift = off * 2; | |
2659 | reg = chip->base + 0x0C; | |
2660 | ||
2661 | tmp = __raw_readl(reg); | |
2662 | tmp &= ~(0x3 << shift); | |
2663 | tmp |= drvstr << shift; | |
2664 | ||
2665 | __raw_writel(tmp, reg); | |
2666 | ||
2667 | return 0; | |
2668 | } | |
2669 | EXPORT_SYMBOL(s5p_gpio_set_drvstr); | |
2670 | #endif /* CONFIG_S5P_GPIO_DRVSTR */ | |
2671 | ||
2672 | #ifdef CONFIG_PLAT_S3C24XX | |
2673 | unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) | |
2674 | { | |
2675 | unsigned long flags; | |
2676 | unsigned long misccr; | |
2677 | ||
2678 | local_irq_save(flags); | |
2679 | misccr = __raw_readl(S3C24XX_MISCCR); | |
2680 | misccr &= ~clear; | |
2681 | misccr ^= change; | |
2682 | __raw_writel(misccr, S3C24XX_MISCCR); | |
2683 | local_irq_restore(flags); | |
2684 | ||
2685 | return misccr; | |
2686 | } | |
2687 | EXPORT_SYMBOL(s3c2410_modify_misccr); | |
2688 | #endif |