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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> | |
edbaa603 | 25 | #include <linux/device.h> |
1b39d5f2 | 26 | #include <linux/ioport.h> |
659d73ad TA |
27 | #include <linux/of.h> |
28 | #include <linux/slab.h> | |
29 | #include <linux/of_address.h> | |
1b39d5f2 KK |
30 | |
31 | #include <asm/irq.h> | |
32 | ||
33 | #include <mach/hardware.h> | |
34 | #include <mach/map.h> | |
1b39d5f2 KK |
35 | #include <mach/regs-gpio.h> |
36 | ||
37 | #include <plat/cpu.h> | |
38 | #include <plat/gpio-core.h> | |
39 | #include <plat/gpio-cfg.h> | |
40 | #include <plat/gpio-cfg-helpers.h> | |
1b39d5f2 KK |
41 | #include <plat/pm.h> |
42 | ||
1b39d5f2 KK |
43 | int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip, |
44 | unsigned int off, samsung_gpio_pull_t pull) | |
45 | { | |
46 | void __iomem *reg = chip->base + 0x08; | |
47 | int shift = off * 2; | |
48 | u32 pup; | |
49 | ||
50 | pup = __raw_readl(reg); | |
51 | pup &= ~(3 << shift); | |
52 | pup |= pull << shift; | |
53 | __raw_writel(pup, reg); | |
54 | ||
55 | return 0; | |
56 | } | |
57 | ||
58 | samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip, | |
59 | unsigned int off) | |
60 | { | |
61 | void __iomem *reg = chip->base + 0x08; | |
62 | int shift = off * 2; | |
63 | u32 pup = __raw_readl(reg); | |
64 | ||
65 | pup >>= shift; | |
66 | pup &= 0x3; | |
67 | ||
68 | return (__force samsung_gpio_pull_t)pup; | |
69 | } | |
70 | ||
71 | int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip, | |
72 | unsigned int off, samsung_gpio_pull_t pull) | |
73 | { | |
74 | switch (pull) { | |
75 | case S3C_GPIO_PULL_NONE: | |
76 | pull = 0x01; | |
77 | break; | |
78 | case S3C_GPIO_PULL_UP: | |
79 | pull = 0x00; | |
80 | break; | |
81 | case S3C_GPIO_PULL_DOWN: | |
82 | pull = 0x02; | |
83 | break; | |
84 | } | |
85 | return samsung_gpio_setpull_updown(chip, off, pull); | |
86 | } | |
87 | ||
88 | samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip, | |
89 | unsigned int off) | |
90 | { | |
91 | samsung_gpio_pull_t pull; | |
92 | ||
93 | pull = samsung_gpio_getpull_updown(chip, off); | |
94 | ||
95 | switch (pull) { | |
96 | case 0x00: | |
97 | pull = S3C_GPIO_PULL_UP; | |
98 | break; | |
99 | case 0x01: | |
100 | case 0x03: | |
101 | pull = S3C_GPIO_PULL_NONE; | |
102 | break; | |
103 | case 0x02: | |
104 | pull = S3C_GPIO_PULL_DOWN; | |
105 | break; | |
106 | } | |
107 | ||
108 | return pull; | |
109 | } | |
110 | ||
111 | static int s3c24xx_gpio_setpull_1(struct samsung_gpio_chip *chip, | |
112 | unsigned int off, samsung_gpio_pull_t pull, | |
113 | samsung_gpio_pull_t updown) | |
114 | { | |
115 | void __iomem *reg = chip->base + 0x08; | |
116 | u32 pup = __raw_readl(reg); | |
117 | ||
118 | if (pull == updown) | |
119 | pup &= ~(1 << off); | |
120 | else if (pull == S3C_GPIO_PULL_NONE) | |
121 | pup |= (1 << off); | |
122 | else | |
123 | return -EINVAL; | |
124 | ||
125 | __raw_writel(pup, reg); | |
126 | return 0; | |
127 | } | |
128 | ||
129 | static samsung_gpio_pull_t s3c24xx_gpio_getpull_1(struct samsung_gpio_chip *chip, | |
130 | unsigned int off, | |
131 | samsung_gpio_pull_t updown) | |
132 | { | |
133 | void __iomem *reg = chip->base + 0x08; | |
134 | u32 pup = __raw_readl(reg); | |
135 | ||
136 | pup &= (1 << off); | |
137 | return pup ? S3C_GPIO_PULL_NONE : updown; | |
138 | } | |
139 | ||
140 | samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip, | |
141 | unsigned int off) | |
142 | { | |
143 | return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP); | |
144 | } | |
145 | ||
146 | int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip, | |
147 | unsigned int off, samsung_gpio_pull_t pull) | |
148 | { | |
149 | return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP); | |
150 | } | |
151 | ||
152 | samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip, | |
153 | unsigned int off) | |
154 | { | |
155 | return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN); | |
156 | } | |
157 | ||
158 | int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip, | |
159 | unsigned int off, samsung_gpio_pull_t pull) | |
160 | { | |
161 | return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN); | |
162 | } | |
163 | ||
a9696d84 | 164 | static int exynos_gpio_setpull(struct samsung_gpio_chip *chip, |
1b39d5f2 KK |
165 | unsigned int off, samsung_gpio_pull_t pull) |
166 | { | |
167 | if (pull == S3C_GPIO_PULL_UP) | |
168 | pull = 3; | |
169 | ||
170 | return samsung_gpio_setpull_updown(chip, off, pull); | |
171 | } | |
172 | ||
a9696d84 | 173 | static samsung_gpio_pull_t exynos_gpio_getpull(struct samsung_gpio_chip *chip, |
1b39d5f2 KK |
174 | unsigned int off) |
175 | { | |
176 | samsung_gpio_pull_t pull; | |
177 | ||
178 | pull = samsung_gpio_getpull_updown(chip, off); | |
179 | ||
180 | if (pull == 3) | |
181 | pull = S3C_GPIO_PULL_UP; | |
182 | ||
183 | return pull; | |
184 | } | |
185 | ||
186 | /* | |
187 | * samsung_gpio_setcfg_2bit - Samsung 2bit style GPIO configuration. | |
188 | * @chip: The gpio chip that is being configured. | |
189 | * @off: The offset for the GPIO being configured. | |
190 | * @cfg: The configuration value to set. | |
191 | * | |
192 | * This helper deal with the GPIO cases where the control register | |
193 | * has two bits of configuration per gpio, which have the following | |
194 | * functions: | |
195 | * 00 = input | |
196 | * 01 = output | |
197 | * 1x = special function | |
198 | */ | |
199 | ||
200 | static int samsung_gpio_setcfg_2bit(struct samsung_gpio_chip *chip, | |
201 | unsigned int off, unsigned int cfg) | |
202 | { | |
203 | void __iomem *reg = chip->base; | |
204 | unsigned int shift = off * 2; | |
205 | u32 con; | |
206 | ||
207 | if (samsung_gpio_is_cfg_special(cfg)) { | |
208 | cfg &= 0xf; | |
209 | if (cfg > 3) | |
210 | return -EINVAL; | |
211 | ||
212 | cfg <<= shift; | |
213 | } | |
214 | ||
215 | con = __raw_readl(reg); | |
216 | con &= ~(0x3 << shift); | |
217 | con |= cfg; | |
218 | __raw_writel(con, reg); | |
219 | ||
220 | return 0; | |
221 | } | |
222 | ||
223 | /* | |
224 | * samsung_gpio_getcfg_2bit - Samsung 2bit style GPIO configuration read. | |
225 | * @chip: The gpio chip that is being configured. | |
226 | * @off: The offset for the GPIO being configured. | |
227 | * | |
f1347599 | 228 | * The reverse of samsung_gpio_setcfg_2bit(). Will return a value which |
1b39d5f2 KK |
229 | * could be directly passed back to samsung_gpio_setcfg_2bit(), from the |
230 | * S3C_GPIO_SPECIAL() macro. | |
231 | */ | |
232 | ||
233 | static unsigned int samsung_gpio_getcfg_2bit(struct samsung_gpio_chip *chip, | |
234 | unsigned int off) | |
235 | { | |
236 | u32 con; | |
237 | ||
238 | con = __raw_readl(chip->base); | |
239 | con >>= off * 2; | |
240 | con &= 3; | |
241 | ||
242 | /* this conversion works for IN and OUT as well as special mode */ | |
243 | return S3C_GPIO_SPECIAL(con); | |
244 | } | |
245 | ||
246 | /* | |
247 | * samsung_gpio_setcfg_4bit - Samsung 4bit single register GPIO config. | |
248 | * @chip: The gpio chip that is being configured. | |
249 | * @off: The offset for the GPIO being configured. | |
250 | * @cfg: The configuration value to set. | |
251 | * | |
252 | * This helper deal with the GPIO cases where the control register has 4 bits | |
253 | * of control per GPIO, generally in the form of: | |
254 | * 0000 = Input | |
255 | * 0001 = Output | |
256 | * others = Special functions (dependent on bank) | |
257 | * | |
258 | * Note, since the code to deal with the case where there are two control | |
259 | * registers instead of one, we do not have a separate set of functions for | |
260 | * each case. | |
261 | */ | |
262 | ||
263 | static int samsung_gpio_setcfg_4bit(struct samsung_gpio_chip *chip, | |
264 | unsigned int off, unsigned int cfg) | |
265 | { | |
266 | void __iomem *reg = chip->base; | |
267 | unsigned int shift = (off & 7) * 4; | |
268 | u32 con; | |
269 | ||
270 | if (off < 8 && chip->chip.ngpio > 8) | |
271 | reg -= 4; | |
272 | ||
273 | if (samsung_gpio_is_cfg_special(cfg)) { | |
274 | cfg &= 0xf; | |
275 | cfg <<= shift; | |
276 | } | |
277 | ||
278 | con = __raw_readl(reg); | |
279 | con &= ~(0xf << shift); | |
280 | con |= cfg; | |
281 | __raw_writel(con, reg); | |
282 | ||
283 | return 0; | |
284 | } | |
285 | ||
286 | /* | |
287 | * samsung_gpio_getcfg_4bit - Samsung 4bit single register GPIO config read. | |
288 | * @chip: The gpio chip that is being configured. | |
289 | * @off: The offset for the GPIO being configured. | |
290 | * | |
291 | * The reverse of samsung_gpio_setcfg_4bit(), turning a gpio configuration | |
292 | * register setting into a value the software can use, such as could be passed | |
293 | * to samsung_gpio_setcfg_4bit(). | |
294 | * | |
295 | * @sa samsung_gpio_getcfg_2bit | |
296 | */ | |
297 | ||
298 | static unsigned samsung_gpio_getcfg_4bit(struct samsung_gpio_chip *chip, | |
299 | unsigned int off) | |
300 | { | |
301 | void __iomem *reg = chip->base; | |
302 | unsigned int shift = (off & 7) * 4; | |
303 | u32 con; | |
304 | ||
305 | if (off < 8 && chip->chip.ngpio > 8) | |
306 | reg -= 4; | |
307 | ||
308 | con = __raw_readl(reg); | |
309 | con >>= shift; | |
310 | con &= 0xf; | |
311 | ||
312 | /* this conversion works for IN and OUT as well as special mode */ | |
313 | return S3C_GPIO_SPECIAL(con); | |
314 | } | |
315 | ||
c034b184 | 316 | #ifdef CONFIG_PLAT_S3C24XX |
1b39d5f2 KK |
317 | /* |
318 | * s3c24xx_gpio_setcfg_abank - S3C24XX style GPIO configuration (Bank A) | |
319 | * @chip: The gpio chip that is being configured. | |
320 | * @off: The offset for the GPIO being configured. | |
321 | * @cfg: The configuration value to set. | |
322 | * | |
323 | * This helper deal with the GPIO cases where the control register | |
324 | * has one bit of configuration for the gpio, where setting the bit | |
325 | * means the pin is in special function mode and unset means output. | |
326 | */ | |
327 | ||
328 | static int s3c24xx_gpio_setcfg_abank(struct samsung_gpio_chip *chip, | |
329 | unsigned int off, unsigned int cfg) | |
330 | { | |
331 | void __iomem *reg = chip->base; | |
332 | unsigned int shift = off; | |
333 | u32 con; | |
334 | ||
335 | if (samsung_gpio_is_cfg_special(cfg)) { | |
336 | cfg &= 0xf; | |
337 | ||
338 | /* Map output to 0, and SFN2 to 1 */ | |
339 | cfg -= 1; | |
340 | if (cfg > 1) | |
341 | return -EINVAL; | |
342 | ||
343 | cfg <<= shift; | |
344 | } | |
345 | ||
346 | con = __raw_readl(reg); | |
347 | con &= ~(0x1 << shift); | |
348 | con |= cfg; | |
349 | __raw_writel(con, reg); | |
350 | ||
351 | return 0; | |
352 | } | |
353 | ||
354 | /* | |
355 | * s3c24xx_gpio_getcfg_abank - S3C24XX style GPIO configuration read (Bank A) | |
356 | * @chip: The gpio chip that is being configured. | |
357 | * @off: The offset for the GPIO being configured. | |
358 | * | |
359 | * The reverse of s3c24xx_gpio_setcfg_abank() turning an GPIO into a usable | |
360 | * GPIO configuration value. | |
361 | * | |
362 | * @sa samsung_gpio_getcfg_2bit | |
363 | * @sa samsung_gpio_getcfg_4bit | |
364 | */ | |
365 | ||
366 | static unsigned s3c24xx_gpio_getcfg_abank(struct samsung_gpio_chip *chip, | |
367 | unsigned int off) | |
368 | { | |
369 | u32 con; | |
370 | ||
371 | con = __raw_readl(chip->base); | |
372 | con >>= off; | |
373 | con &= 1; | |
374 | con++; | |
375 | ||
376 | return S3C_GPIO_SFN(con); | |
377 | } | |
c034b184 | 378 | #endif |
1b39d5f2 | 379 | |
c034b184 | 380 | #if defined(CONFIG_CPU_S5P6440) || defined(CONFIG_CPU_S5P6450) |
1b39d5f2 KK |
381 | static int s5p64x0_gpio_setcfg_rbank(struct samsung_gpio_chip *chip, |
382 | unsigned int off, unsigned int cfg) | |
383 | { | |
384 | void __iomem *reg = chip->base; | |
385 | unsigned int shift; | |
386 | u32 con; | |
387 | ||
388 | switch (off) { | |
389 | case 0: | |
390 | case 1: | |
391 | case 2: | |
392 | case 3: | |
393 | case 4: | |
394 | case 5: | |
395 | shift = (off & 7) * 4; | |
396 | reg -= 4; | |
397 | break; | |
398 | case 6: | |
399 | shift = ((off + 1) & 7) * 4; | |
400 | reg -= 4; | |
401 | default: | |
402 | shift = ((off + 1) & 7) * 4; | |
403 | break; | |
404 | } | |
405 | ||
406 | if (samsung_gpio_is_cfg_special(cfg)) { | |
407 | cfg &= 0xf; | |
408 | cfg <<= shift; | |
409 | } | |
410 | ||
411 | con = __raw_readl(reg); | |
412 | con &= ~(0xf << shift); | |
413 | con |= cfg; | |
414 | __raw_writel(con, reg); | |
415 | ||
416 | return 0; | |
417 | } | |
c034b184 | 418 | #endif |
1b39d5f2 KK |
419 | |
420 | static void __init samsung_gpiolib_set_cfg(struct samsung_gpio_cfg *chipcfg, | |
421 | int nr_chips) | |
422 | { | |
423 | for (; nr_chips > 0; nr_chips--, chipcfg++) { | |
424 | if (!chipcfg->set_config) | |
425 | chipcfg->set_config = samsung_gpio_setcfg_4bit; | |
426 | if (!chipcfg->get_config) | |
427 | chipcfg->get_config = samsung_gpio_getcfg_4bit; | |
428 | if (!chipcfg->set_pull) | |
429 | chipcfg->set_pull = samsung_gpio_setpull_updown; | |
430 | if (!chipcfg->get_pull) | |
431 | chipcfg->get_pull = samsung_gpio_getpull_updown; | |
432 | } | |
433 | } | |
434 | ||
435 | struct samsung_gpio_cfg s3c24xx_gpiocfg_default = { | |
436 | .set_config = samsung_gpio_setcfg_2bit, | |
437 | .get_config = samsung_gpio_getcfg_2bit, | |
438 | }; | |
439 | ||
c034b184 | 440 | #ifdef CONFIG_PLAT_S3C24XX |
1b39d5f2 KK |
441 | static struct samsung_gpio_cfg s3c24xx_gpiocfg_banka = { |
442 | .set_config = s3c24xx_gpio_setcfg_abank, | |
443 | .get_config = s3c24xx_gpio_getcfg_abank, | |
444 | }; | |
c034b184 | 445 | #endif |
1b39d5f2 | 446 | |
dcb9c349 | 447 | #if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_SOC_EXYNOS5250) |
a9696d84 SP |
448 | static struct samsung_gpio_cfg exynos_gpio_cfg = { |
449 | .set_pull = exynos_gpio_setpull, | |
450 | .get_pull = exynos_gpio_getpull, | |
f79e40eb MS |
451 | .set_config = samsung_gpio_setcfg_4bit, |
452 | .get_config = samsung_gpio_getcfg_4bit, | |
1b39d5f2 | 453 | }; |
2760f7ad | 454 | #endif |
1b39d5f2 | 455 | |
c034b184 | 456 | #if defined(CONFIG_CPU_S5P6440) || defined(CONFIG_CPU_S5P6450) |
1b39d5f2 KK |
457 | static struct samsung_gpio_cfg s5p64x0_gpio_cfg_rbank = { |
458 | .cfg_eint = 0x3, | |
459 | .set_config = s5p64x0_gpio_setcfg_rbank, | |
460 | .get_config = samsung_gpio_getcfg_4bit, | |
461 | .set_pull = samsung_gpio_setpull_updown, | |
462 | .get_pull = samsung_gpio_getpull_updown, | |
463 | }; | |
c034b184 | 464 | #endif |
1b39d5f2 KK |
465 | |
466 | static struct samsung_gpio_cfg samsung_gpio_cfgs[] = { | |
2985479f | 467 | [0] = { |
1b39d5f2 | 468 | .cfg_eint = 0x0, |
2985479f MB |
469 | }, |
470 | [1] = { | |
1b39d5f2 | 471 | .cfg_eint = 0x3, |
2985479f MB |
472 | }, |
473 | [2] = { | |
1b39d5f2 | 474 | .cfg_eint = 0x7, |
2985479f MB |
475 | }, |
476 | [3] = { | |
1b39d5f2 | 477 | .cfg_eint = 0xF, |
2985479f MB |
478 | }, |
479 | [4] = { | |
1b39d5f2 KK |
480 | .cfg_eint = 0x0, |
481 | .set_config = samsung_gpio_setcfg_2bit, | |
482 | .get_config = samsung_gpio_getcfg_2bit, | |
2985479f MB |
483 | }, |
484 | [5] = { | |
1b39d5f2 KK |
485 | .cfg_eint = 0x2, |
486 | .set_config = samsung_gpio_setcfg_2bit, | |
487 | .get_config = samsung_gpio_getcfg_2bit, | |
2985479f MB |
488 | }, |
489 | [6] = { | |
1b39d5f2 KK |
490 | .cfg_eint = 0x3, |
491 | .set_config = samsung_gpio_setcfg_2bit, | |
492 | .get_config = samsung_gpio_getcfg_2bit, | |
2985479f MB |
493 | }, |
494 | [7] = { | |
1b39d5f2 KK |
495 | .set_config = samsung_gpio_setcfg_2bit, |
496 | .get_config = samsung_gpio_getcfg_2bit, | |
2985479f MB |
497 | }, |
498 | [8] = { | |
a9696d84 SP |
499 | .set_pull = exynos_gpio_setpull, |
500 | .get_pull = exynos_gpio_getpull, | |
2985479f MB |
501 | }, |
502 | [9] = { | |
b82cee24 | 503 | .cfg_eint = 0x3, |
a9696d84 SP |
504 | .set_pull = exynos_gpio_setpull, |
505 | .get_pull = exynos_gpio_getpull, | |
b82cee24 | 506 | } |
1b39d5f2 KK |
507 | }; |
508 | ||
509 | /* | |
510 | * Default routines for controlling GPIO, based on the original S3C24XX | |
511 | * GPIO functions which deal with the case where each gpio bank of the | |
512 | * chip is as following: | |
513 | * | |
514 | * base + 0x00: Control register, 2 bits per gpio | |
515 | * gpio n: 2 bits starting at (2*n) | |
516 | * 00 = input, 01 = output, others mean special-function | |
517 | * base + 0x04: Data register, 1 bit per gpio | |
518 | * bit n: data bit n | |
519 | */ | |
520 | ||
521 | static int samsung_gpiolib_2bit_input(struct gpio_chip *chip, unsigned offset) | |
522 | { | |
523 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
524 | void __iomem *base = ourchip->base; | |
525 | unsigned long flags; | |
526 | unsigned long con; | |
527 | ||
528 | samsung_gpio_lock(ourchip, flags); | |
529 | ||
530 | con = __raw_readl(base + 0x00); | |
531 | con &= ~(3 << (offset * 2)); | |
532 | ||
533 | __raw_writel(con, base + 0x00); | |
534 | ||
535 | samsung_gpio_unlock(ourchip, flags); | |
536 | return 0; | |
537 | } | |
538 | ||
539 | static int samsung_gpiolib_2bit_output(struct gpio_chip *chip, | |
540 | unsigned offset, int value) | |
541 | { | |
542 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
543 | void __iomem *base = ourchip->base; | |
544 | unsigned long flags; | |
545 | unsigned long dat; | |
546 | unsigned long con; | |
547 | ||
548 | samsung_gpio_lock(ourchip, flags); | |
549 | ||
550 | dat = __raw_readl(base + 0x04); | |
551 | dat &= ~(1 << offset); | |
552 | if (value) | |
553 | dat |= 1 << offset; | |
554 | __raw_writel(dat, base + 0x04); | |
555 | ||
556 | con = __raw_readl(base + 0x00); | |
557 | con &= ~(3 << (offset * 2)); | |
558 | con |= 1 << (offset * 2); | |
559 | ||
560 | __raw_writel(con, base + 0x00); | |
561 | __raw_writel(dat, base + 0x04); | |
562 | ||
563 | samsung_gpio_unlock(ourchip, flags); | |
564 | return 0; | |
565 | } | |
566 | ||
567 | /* | |
568 | * The samsung_gpiolib_4bit routines are to control the gpio banks where | |
569 | * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the | |
570 | * following example: | |
571 | * | |
572 | * base + 0x00: Control register, 4 bits per gpio | |
573 | * gpio n: 4 bits starting at (4*n) | |
574 | * 0000 = input, 0001 = output, others mean special-function | |
575 | * base + 0x04: Data register, 1 bit per gpio | |
576 | * bit n: data bit n | |
577 | * | |
578 | * Note, since the data register is one bit per gpio and is at base + 0x4 | |
579 | * we can use samsung_gpiolib_get and samsung_gpiolib_set to change the | |
580 | * state of the output. | |
581 | */ | |
582 | ||
583 | static int samsung_gpiolib_4bit_input(struct gpio_chip *chip, | |
584 | unsigned int offset) | |
585 | { | |
586 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
587 | void __iomem *base = ourchip->base; | |
588 | unsigned long con; | |
589 | ||
590 | con = __raw_readl(base + GPIOCON_OFF); | |
2b88ff4a EK |
591 | if (ourchip->bitmap_gpio_int & BIT(offset)) |
592 | con |= 0xf << con_4bit_shift(offset); | |
593 | else | |
594 | con &= ~(0xf << con_4bit_shift(offset)); | |
1b39d5f2 KK |
595 | __raw_writel(con, base + GPIOCON_OFF); |
596 | ||
343db4bd | 597 | pr_debug("%s: %p: CON now %08lx\n", __func__, base, con); |
1b39d5f2 KK |
598 | |
599 | return 0; | |
600 | } | |
601 | ||
602 | static int samsung_gpiolib_4bit_output(struct gpio_chip *chip, | |
603 | unsigned int offset, int value) | |
604 | { | |
605 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
606 | void __iomem *base = ourchip->base; | |
607 | unsigned long con; | |
608 | unsigned long dat; | |
609 | ||
610 | con = __raw_readl(base + GPIOCON_OFF); | |
611 | con &= ~(0xf << con_4bit_shift(offset)); | |
612 | con |= 0x1 << con_4bit_shift(offset); | |
613 | ||
614 | dat = __raw_readl(base + GPIODAT_OFF); | |
615 | ||
616 | if (value) | |
617 | dat |= 1 << offset; | |
618 | else | |
619 | dat &= ~(1 << offset); | |
620 | ||
621 | __raw_writel(dat, base + GPIODAT_OFF); | |
622 | __raw_writel(con, base + GPIOCON_OFF); | |
623 | __raw_writel(dat, base + GPIODAT_OFF); | |
624 | ||
343db4bd | 625 | pr_debug("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); |
1b39d5f2 KK |
626 | |
627 | return 0; | |
628 | } | |
629 | ||
630 | /* | |
631 | * The next set of routines are for the case where the GPIO configuration | |
632 | * registers are 4 bits per GPIO but there is more than one register (the | |
633 | * bank has more than 8 GPIOs. | |
634 | * | |
635 | * This case is the similar to the 4 bit case, but the registers are as | |
636 | * follows: | |
637 | * | |
638 | * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs) | |
639 | * gpio n: 4 bits starting at (4*n) | |
640 | * 0000 = input, 0001 = output, others mean special-function | |
641 | * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs) | |
642 | * gpio n: 4 bits starting at (4*n) | |
643 | * 0000 = input, 0001 = output, others mean special-function | |
644 | * base + 0x08: Data register, 1 bit per gpio | |
645 | * bit n: data bit n | |
646 | * | |
647 | * To allow us to use the samsung_gpiolib_get and samsung_gpiolib_set | |
648 | * routines we store the 'base + 0x4' address so that these routines see | |
649 | * the data register at ourchip->base + 0x04. | |
650 | */ | |
651 | ||
652 | static int samsung_gpiolib_4bit2_input(struct gpio_chip *chip, | |
653 | unsigned int offset) | |
654 | { | |
655 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
656 | void __iomem *base = ourchip->base; | |
657 | void __iomem *regcon = base; | |
658 | unsigned long con; | |
659 | ||
660 | if (offset > 7) | |
661 | offset -= 8; | |
662 | else | |
663 | regcon -= 4; | |
664 | ||
665 | con = __raw_readl(regcon); | |
666 | con &= ~(0xf << con_4bit_shift(offset)); | |
667 | __raw_writel(con, regcon); | |
668 | ||
343db4bd | 669 | pr_debug("%s: %p: CON %08lx\n", __func__, base, con); |
1b39d5f2 KK |
670 | |
671 | return 0; | |
672 | } | |
673 | ||
674 | static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip, | |
675 | unsigned int offset, int value) | |
676 | { | |
677 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
678 | void __iomem *base = ourchip->base; | |
679 | void __iomem *regcon = base; | |
680 | unsigned long con; | |
681 | unsigned long dat; | |
682 | unsigned con_offset = offset; | |
683 | ||
684 | if (con_offset > 7) | |
685 | con_offset -= 8; | |
686 | else | |
687 | regcon -= 4; | |
688 | ||
689 | con = __raw_readl(regcon); | |
690 | con &= ~(0xf << con_4bit_shift(con_offset)); | |
691 | con |= 0x1 << con_4bit_shift(con_offset); | |
692 | ||
693 | dat = __raw_readl(base + GPIODAT_OFF); | |
694 | ||
695 | if (value) | |
696 | dat |= 1 << offset; | |
697 | else | |
698 | dat &= ~(1 << offset); | |
699 | ||
700 | __raw_writel(dat, base + GPIODAT_OFF); | |
701 | __raw_writel(con, regcon); | |
702 | __raw_writel(dat, base + GPIODAT_OFF); | |
703 | ||
343db4bd | 704 | pr_debug("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); |
1b39d5f2 KK |
705 | |
706 | return 0; | |
707 | } | |
708 | ||
c034b184 | 709 | #ifdef CONFIG_PLAT_S3C24XX |
1b39d5f2 KK |
710 | /* The next set of routines are for the case of s3c24xx bank a */ |
711 | ||
712 | static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) | |
713 | { | |
714 | return -EINVAL; | |
715 | } | |
716 | ||
717 | static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, | |
718 | unsigned offset, int value) | |
719 | { | |
720 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
721 | void __iomem *base = ourchip->base; | |
722 | unsigned long flags; | |
723 | unsigned long dat; | |
724 | unsigned long con; | |
725 | ||
726 | local_irq_save(flags); | |
727 | ||
728 | con = __raw_readl(base + 0x00); | |
729 | dat = __raw_readl(base + 0x04); | |
730 | ||
731 | dat &= ~(1 << offset); | |
732 | if (value) | |
733 | dat |= 1 << offset; | |
734 | ||
735 | __raw_writel(dat, base + 0x04); | |
736 | ||
737 | con &= ~(1 << offset); | |
738 | ||
739 | __raw_writel(con, base + 0x00); | |
740 | __raw_writel(dat, base + 0x04); | |
741 | ||
742 | local_irq_restore(flags); | |
743 | return 0; | |
744 | } | |
c034b184 | 745 | #endif |
1b39d5f2 KK |
746 | |
747 | /* The next set of routines are for the case of s5p64x0 bank r */ | |
748 | ||
749 | static int s5p64x0_gpiolib_rbank_input(struct gpio_chip *chip, | |
750 | unsigned int offset) | |
751 | { | |
752 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
753 | void __iomem *base = ourchip->base; | |
754 | void __iomem *regcon = base; | |
755 | unsigned long con; | |
756 | unsigned long flags; | |
757 | ||
758 | switch (offset) { | |
759 | case 6: | |
760 | offset += 1; | |
761 | case 0: | |
762 | case 1: | |
763 | case 2: | |
764 | case 3: | |
765 | case 4: | |
766 | case 5: | |
767 | regcon -= 4; | |
768 | break; | |
769 | default: | |
770 | offset -= 7; | |
771 | break; | |
772 | } | |
773 | ||
774 | samsung_gpio_lock(ourchip, flags); | |
775 | ||
776 | con = __raw_readl(regcon); | |
777 | con &= ~(0xf << con_4bit_shift(offset)); | |
778 | __raw_writel(con, regcon); | |
779 | ||
780 | samsung_gpio_unlock(ourchip, flags); | |
781 | ||
782 | return 0; | |
783 | } | |
784 | ||
785 | static int s5p64x0_gpiolib_rbank_output(struct gpio_chip *chip, | |
786 | unsigned int offset, int value) | |
787 | { | |
788 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
789 | void __iomem *base = ourchip->base; | |
790 | void __iomem *regcon = base; | |
791 | unsigned long con; | |
792 | unsigned long dat; | |
793 | unsigned long flags; | |
794 | unsigned con_offset = offset; | |
795 | ||
796 | switch (con_offset) { | |
797 | case 6: | |
798 | con_offset += 1; | |
799 | case 0: | |
800 | case 1: | |
801 | case 2: | |
802 | case 3: | |
803 | case 4: | |
804 | case 5: | |
805 | regcon -= 4; | |
806 | break; | |
807 | default: | |
808 | con_offset -= 7; | |
809 | break; | |
810 | } | |
811 | ||
812 | samsung_gpio_lock(ourchip, flags); | |
813 | ||
814 | con = __raw_readl(regcon); | |
815 | con &= ~(0xf << con_4bit_shift(con_offset)); | |
816 | con |= 0x1 << con_4bit_shift(con_offset); | |
817 | ||
818 | dat = __raw_readl(base + GPIODAT_OFF); | |
819 | if (value) | |
820 | dat |= 1 << offset; | |
821 | else | |
822 | dat &= ~(1 << offset); | |
823 | ||
824 | __raw_writel(con, regcon); | |
825 | __raw_writel(dat, base + GPIODAT_OFF); | |
826 | ||
827 | samsung_gpio_unlock(ourchip, flags); | |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
832 | static void samsung_gpiolib_set(struct gpio_chip *chip, | |
833 | unsigned offset, int value) | |
834 | { | |
835 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
836 | void __iomem *base = ourchip->base; | |
837 | unsigned long flags; | |
838 | unsigned long dat; | |
839 | ||
840 | samsung_gpio_lock(ourchip, flags); | |
841 | ||
842 | dat = __raw_readl(base + 0x04); | |
843 | dat &= ~(1 << offset); | |
844 | if (value) | |
845 | dat |= 1 << offset; | |
846 | __raw_writel(dat, base + 0x04); | |
847 | ||
848 | samsung_gpio_unlock(ourchip, flags); | |
849 | } | |
850 | ||
851 | static int samsung_gpiolib_get(struct gpio_chip *chip, unsigned offset) | |
852 | { | |
853 | struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); | |
854 | unsigned long val; | |
855 | ||
856 | val = __raw_readl(ourchip->base + 0x04); | |
857 | val >>= offset; | |
858 | val &= 1; | |
859 | ||
860 | return val; | |
861 | } | |
862 | ||
863 | /* | |
864 | * CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios | |
865 | * for use with the configuration calls, and other parts of the s3c gpiolib | |
866 | * support code. | |
867 | * | |
868 | * Not all s3c support code will need this, as some configurations of cpu | |
869 | * may only support one or two different configuration options and have an | |
870 | * easy gpio to samsung_gpio_chip mapping function. If this is the case, then | |
871 | * the machine support file should provide its own samsung_gpiolib_getchip() | |
872 | * and any other necessary functions. | |
873 | */ | |
874 | ||
875 | #ifdef CONFIG_S3C_GPIO_TRACK | |
876 | struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END]; | |
877 | ||
878 | static __init void s3c_gpiolib_track(struct samsung_gpio_chip *chip) | |
879 | { | |
880 | unsigned int gpn; | |
881 | int i; | |
882 | ||
883 | gpn = chip->chip.base; | |
884 | for (i = 0; i < chip->chip.ngpio; i++, gpn++) { | |
885 | BUG_ON(gpn >= ARRAY_SIZE(s3c_gpios)); | |
886 | s3c_gpios[gpn] = chip; | |
887 | } | |
888 | } | |
889 | #endif /* CONFIG_S3C_GPIO_TRACK */ | |
890 | ||
891 | /* | |
892 | * samsung_gpiolib_add() - add the Samsung gpio_chip. | |
893 | * @chip: The chip to register | |
894 | * | |
895 | * This is a wrapper to gpiochip_add() that takes our specific gpio chip | |
896 | * information and makes the necessary alterations for the platform and | |
897 | * notes the information for use with the configuration systems and any | |
898 | * other parts of the system. | |
899 | */ | |
900 | ||
901 | static void __init samsung_gpiolib_add(struct samsung_gpio_chip *chip) | |
902 | { | |
903 | struct gpio_chip *gc = &chip->chip; | |
904 | int ret; | |
905 | ||
906 | BUG_ON(!chip->base); | |
907 | BUG_ON(!gc->label); | |
908 | BUG_ON(!gc->ngpio); | |
909 | ||
910 | spin_lock_init(&chip->lock); | |
911 | ||
912 | if (!gc->direction_input) | |
913 | gc->direction_input = samsung_gpiolib_2bit_input; | |
914 | if (!gc->direction_output) | |
915 | gc->direction_output = samsung_gpiolib_2bit_output; | |
916 | if (!gc->set) | |
917 | gc->set = samsung_gpiolib_set; | |
918 | if (!gc->get) | |
919 | gc->get = samsung_gpiolib_get; | |
920 | ||
921 | #ifdef CONFIG_PM | |
922 | if (chip->pm != NULL) { | |
923 | if (!chip->pm->save || !chip->pm->resume) | |
343db4bd | 924 | pr_err("gpio: %s has missing PM functions\n", |
1b39d5f2 KK |
925 | gc->label); |
926 | } else | |
343db4bd | 927 | pr_err("gpio: %s has no PM function\n", gc->label); |
1b39d5f2 KK |
928 | #endif |
929 | ||
930 | /* gpiochip_add() prints own failure message on error. */ | |
931 | ret = gpiochip_add(gc); | |
932 | if (ret >= 0) | |
933 | s3c_gpiolib_track(chip); | |
934 | } | |
935 | ||
172c6a13 HS |
936 | #if defined(CONFIG_PLAT_S3C24XX) && defined(CONFIG_OF) |
937 | static int s3c24xx_gpio_xlate(struct gpio_chip *gc, | |
938 | const struct of_phandle_args *gpiospec, u32 *flags) | |
939 | { | |
940 | unsigned int pin; | |
941 | ||
942 | if (WARN_ON(gc->of_gpio_n_cells < 3)) | |
943 | return -EINVAL; | |
944 | ||
945 | if (WARN_ON(gpiospec->args_count < gc->of_gpio_n_cells)) | |
946 | return -EINVAL; | |
947 | ||
948 | if (gpiospec->args[0] > gc->ngpio) | |
949 | return -EINVAL; | |
950 | ||
951 | pin = gc->base + gpiospec->args[0]; | |
952 | ||
953 | if (s3c_gpio_cfgpin(pin, S3C_GPIO_SFN(gpiospec->args[1]))) | |
954 | pr_warn("gpio_xlate: failed to set pin function\n"); | |
955 | if (s3c_gpio_setpull(pin, gpiospec->args[2] & 0xffff)) | |
956 | pr_warn("gpio_xlate: failed to set pin pull up/down\n"); | |
957 | ||
958 | if (flags) | |
959 | *flags = gpiospec->args[2] >> 16; | |
960 | ||
961 | return gpiospec->args[0]; | |
962 | } | |
963 | ||
964 | static const struct of_device_id s3c24xx_gpio_dt_match[] __initdata = { | |
965 | { .compatible = "samsung,s3c24xx-gpio", }, | |
966 | {} | |
967 | }; | |
968 | ||
969 | static __init void s3c24xx_gpiolib_attach_ofnode(struct samsung_gpio_chip *chip, | |
970 | u64 base, u64 offset) | |
971 | { | |
972 | struct gpio_chip *gc = &chip->chip; | |
973 | u64 address; | |
974 | ||
975 | if (!of_have_populated_dt()) | |
976 | return; | |
977 | ||
978 | address = chip->base ? base + ((u32)chip->base & 0xfff) : base + offset; | |
979 | gc->of_node = of_find_matching_node_by_address(NULL, | |
980 | s3c24xx_gpio_dt_match, address); | |
981 | if (!gc->of_node) { | |
982 | pr_info("gpio: device tree node not found for gpio controller" | |
983 | " with base address %08llx\n", address); | |
984 | return; | |
985 | } | |
986 | gc->of_gpio_n_cells = 3; | |
987 | gc->of_xlate = s3c24xx_gpio_xlate; | |
988 | } | |
989 | #else | |
990 | static __init void s3c24xx_gpiolib_attach_ofnode(struct samsung_gpio_chip *chip, | |
991 | u64 base, u64 offset) | |
992 | { | |
993 | return; | |
994 | } | |
995 | #endif /* defined(CONFIG_PLAT_S3C24XX) && defined(CONFIG_OF) */ | |
996 | ||
1b39d5f2 KK |
997 | static void __init s3c24xx_gpiolib_add_chips(struct samsung_gpio_chip *chip, |
998 | int nr_chips, void __iomem *base) | |
999 | { | |
1000 | int i; | |
1001 | struct gpio_chip *gc = &chip->chip; | |
1002 | ||
1003 | for (i = 0 ; i < nr_chips; i++, chip++) { | |
8a8ab2e6 PK |
1004 | /* skip banks not present on SoC */ |
1005 | if (chip->chip.base >= S3C_GPIO_END) | |
1006 | continue; | |
1007 | ||
1b39d5f2 KK |
1008 | if (!chip->config) |
1009 | chip->config = &s3c24xx_gpiocfg_default; | |
1010 | if (!chip->pm) | |
1011 | chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); | |
1012 | if ((base != NULL) && (chip->base == NULL)) | |
1013 | chip->base = base + ((i) * 0x10); | |
1014 | ||
1015 | if (!gc->direction_input) | |
1016 | gc->direction_input = samsung_gpiolib_2bit_input; | |
1017 | if (!gc->direction_output) | |
1018 | gc->direction_output = samsung_gpiolib_2bit_output; | |
1019 | ||
1020 | samsung_gpiolib_add(chip); | |
172c6a13 HS |
1021 | |
1022 | s3c24xx_gpiolib_attach_ofnode(chip, S3C24XX_PA_GPIO, i * 0x10); | |
1b39d5f2 KK |
1023 | } |
1024 | } | |
1025 | ||
1026 | static void __init samsung_gpiolib_add_2bit_chips(struct samsung_gpio_chip *chip, | |
1027 | int nr_chips, void __iomem *base, | |
1028 | unsigned int offset) | |
1029 | { | |
1030 | int i; | |
1031 | ||
1032 | for (i = 0 ; i < nr_chips; i++, chip++) { | |
1033 | chip->chip.direction_input = samsung_gpiolib_2bit_input; | |
1034 | chip->chip.direction_output = samsung_gpiolib_2bit_output; | |
1035 | ||
1036 | if (!chip->config) | |
1037 | chip->config = &samsung_gpio_cfgs[7]; | |
1038 | if (!chip->pm) | |
1039 | chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); | |
1040 | if ((base != NULL) && (chip->base == NULL)) | |
1041 | chip->base = base + ((i) * offset); | |
1042 | ||
1043 | samsung_gpiolib_add(chip); | |
1044 | } | |
1045 | } | |
1046 | ||
1047 | /* | |
1048 | * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config. | |
1049 | * @chip: The gpio chip that is being configured. | |
1050 | * @nr_chips: The no of chips (gpio ports) for the GPIO being configured. | |
1051 | * | |
1052 | * This helper deal with the GPIO cases where the control register has 4 bits | |
1053 | * of control per GPIO, generally in the form of: | |
1054 | * 0000 = Input | |
1055 | * 0001 = Output | |
1056 | * others = Special functions (dependent on bank) | |
1057 | * | |
1058 | * Note, since the code to deal with the case where there are two control | |
1059 | * registers instead of one, we do not have a separate set of function | |
1060 | * (samsung_gpiolib_add_4bit2_chips)for each case. | |
1061 | */ | |
1062 | ||
1063 | static void __init samsung_gpiolib_add_4bit_chips(struct samsung_gpio_chip *chip, | |
1064 | int nr_chips, void __iomem *base) | |
1065 | { | |
1066 | int i; | |
1067 | ||
1068 | for (i = 0 ; i < nr_chips; i++, chip++) { | |
1069 | chip->chip.direction_input = samsung_gpiolib_4bit_input; | |
1070 | chip->chip.direction_output = samsung_gpiolib_4bit_output; | |
1071 | ||
1072 | if (!chip->config) | |
1073 | chip->config = &samsung_gpio_cfgs[2]; | |
1074 | if (!chip->pm) | |
1075 | chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); | |
1076 | if ((base != NULL) && (chip->base == NULL)) | |
1077 | chip->base = base + ((i) * 0x20); | |
1078 | ||
2b88ff4a EK |
1079 | chip->bitmap_gpio_int = 0; |
1080 | ||
1b39d5f2 KK |
1081 | samsung_gpiolib_add(chip); |
1082 | } | |
1083 | } | |
1084 | ||
1085 | static void __init samsung_gpiolib_add_4bit2_chips(struct samsung_gpio_chip *chip, | |
1086 | int nr_chips) | |
1087 | { | |
1088 | for (; nr_chips > 0; nr_chips--, chip++) { | |
1089 | chip->chip.direction_input = samsung_gpiolib_4bit2_input; | |
1090 | chip->chip.direction_output = samsung_gpiolib_4bit2_output; | |
1091 | ||
1092 | if (!chip->config) | |
1093 | chip->config = &samsung_gpio_cfgs[2]; | |
1094 | if (!chip->pm) | |
1095 | chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); | |
1096 | ||
1097 | samsung_gpiolib_add(chip); | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | static void __init s5p64x0_gpiolib_add_rbank(struct samsung_gpio_chip *chip, | |
1102 | int nr_chips) | |
1103 | { | |
1104 | for (; nr_chips > 0; nr_chips--, chip++) { | |
1105 | chip->chip.direction_input = s5p64x0_gpiolib_rbank_input; | |
1106 | chip->chip.direction_output = s5p64x0_gpiolib_rbank_output; | |
1107 | ||
1108 | if (!chip->pm) | |
1109 | chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); | |
1110 | ||
1111 | samsung_gpiolib_add(chip); | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset) | |
1116 | { | |
1117 | struct samsung_gpio_chip *samsung_chip = container_of(chip, struct samsung_gpio_chip, chip); | |
1118 | ||
1119 | return samsung_chip->irq_base + offset; | |
1120 | } | |
1121 | ||
1122 | #ifdef CONFIG_PLAT_S3C24XX | |
1123 | static int s3c24xx_gpiolib_fbank_to_irq(struct gpio_chip *chip, unsigned offset) | |
1124 | { | |
d97fedef | 1125 | if (offset < 4) { |
1c8408e3 HS |
1126 | if (soc_is_s3c2412()) |
1127 | return IRQ_EINT0_2412 + offset; | |
1128 | else | |
1129 | return IRQ_EINT0 + offset; | |
d97fedef | 1130 | } |
1b39d5f2 KK |
1131 | |
1132 | if (offset < 8) | |
1133 | return IRQ_EINT4 + offset - 4; | |
1134 | ||
1135 | return -EINVAL; | |
1136 | } | |
1137 | #endif | |
1138 | ||
1139 | #ifdef CONFIG_PLAT_S3C64XX | |
1140 | static int s3c64xx_gpiolib_mbank_to_irq(struct gpio_chip *chip, unsigned pin) | |
1141 | { | |
1142 | return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; | |
1143 | } | |
1144 | ||
1145 | static int s3c64xx_gpiolib_lbank_to_irq(struct gpio_chip *chip, unsigned pin) | |
1146 | { | |
1147 | return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; | |
1148 | } | |
1149 | #endif | |
1150 | ||
1151 | struct samsung_gpio_chip s3c24xx_gpios[] = { | |
1152 | #ifdef CONFIG_PLAT_S3C24XX | |
1153 | { | |
1154 | .config = &s3c24xx_gpiocfg_banka, | |
1155 | .chip = { | |
1156 | .base = S3C2410_GPA(0), | |
1157 | .owner = THIS_MODULE, | |
1158 | .label = "GPIOA", | |
1159 | .ngpio = 24, | |
1160 | .direction_input = s3c24xx_gpiolib_banka_input, | |
1161 | .direction_output = s3c24xx_gpiolib_banka_output, | |
1162 | }, | |
1163 | }, { | |
1164 | .chip = { | |
1165 | .base = S3C2410_GPB(0), | |
1166 | .owner = THIS_MODULE, | |
1167 | .label = "GPIOB", | |
1168 | .ngpio = 16, | |
1169 | }, | |
1170 | }, { | |
1171 | .chip = { | |
1172 | .base = S3C2410_GPC(0), | |
1173 | .owner = THIS_MODULE, | |
1174 | .label = "GPIOC", | |
1175 | .ngpio = 16, | |
1176 | }, | |
1177 | }, { | |
1178 | .chip = { | |
1179 | .base = S3C2410_GPD(0), | |
1180 | .owner = THIS_MODULE, | |
1181 | .label = "GPIOD", | |
1182 | .ngpio = 16, | |
1183 | }, | |
1184 | }, { | |
1185 | .chip = { | |
1186 | .base = S3C2410_GPE(0), | |
1187 | .label = "GPIOE", | |
1188 | .owner = THIS_MODULE, | |
1189 | .ngpio = 16, | |
1190 | }, | |
1191 | }, { | |
1192 | .chip = { | |
1193 | .base = S3C2410_GPF(0), | |
1194 | .owner = THIS_MODULE, | |
1195 | .label = "GPIOF", | |
1196 | .ngpio = 8, | |
1197 | .to_irq = s3c24xx_gpiolib_fbank_to_irq, | |
1198 | }, | |
1199 | }, { | |
1200 | .irq_base = IRQ_EINT8, | |
1201 | .chip = { | |
1202 | .base = S3C2410_GPG(0), | |
1203 | .owner = THIS_MODULE, | |
1204 | .label = "GPIOG", | |
1205 | .ngpio = 16, | |
1206 | .to_irq = samsung_gpiolib_to_irq, | |
1207 | }, | |
1208 | }, { | |
1209 | .chip = { | |
1210 | .base = S3C2410_GPH(0), | |
1211 | .owner = THIS_MODULE, | |
1212 | .label = "GPIOH", | |
1213 | .ngpio = 11, | |
1214 | }, | |
1215 | }, | |
1216 | /* GPIOS for the S3C2443 and later devices. */ | |
1217 | { | |
1218 | .base = S3C2440_GPJCON, | |
1219 | .chip = { | |
1220 | .base = S3C2410_GPJ(0), | |
1221 | .owner = THIS_MODULE, | |
1222 | .label = "GPIOJ", | |
1223 | .ngpio = 16, | |
1224 | }, | |
1225 | }, { | |
1226 | .base = S3C2443_GPKCON, | |
1227 | .chip = { | |
1228 | .base = S3C2410_GPK(0), | |
1229 | .owner = THIS_MODULE, | |
1230 | .label = "GPIOK", | |
1231 | .ngpio = 16, | |
1232 | }, | |
1233 | }, { | |
1234 | .base = S3C2443_GPLCON, | |
1235 | .chip = { | |
1236 | .base = S3C2410_GPL(0), | |
1237 | .owner = THIS_MODULE, | |
1238 | .label = "GPIOL", | |
1239 | .ngpio = 15, | |
1240 | }, | |
1241 | }, { | |
1242 | .base = S3C2443_GPMCON, | |
1243 | .chip = { | |
1244 | .base = S3C2410_GPM(0), | |
1245 | .owner = THIS_MODULE, | |
1246 | .label = "GPIOM", | |
1247 | .ngpio = 2, | |
1248 | }, | |
1249 | }, | |
1250 | #endif | |
1251 | }; | |
1252 | ||
1253 | /* | |
1254 | * GPIO bank summary: | |
1255 | * | |
1256 | * Bank GPIOs Style SlpCon ExtInt Group | |
1257 | * A 8 4Bit Yes 1 | |
1258 | * B 7 4Bit Yes 1 | |
1259 | * C 8 4Bit Yes 2 | |
1260 | * D 5 4Bit Yes 3 | |
1261 | * E 5 4Bit Yes None | |
1262 | * F 16 2Bit Yes 4 [1] | |
1263 | * G 7 4Bit Yes 5 | |
1264 | * H 10 4Bit[2] Yes 6 | |
1265 | * I 16 2Bit Yes None | |
1266 | * J 12 2Bit Yes None | |
1267 | * K 16 4Bit[2] No None | |
1268 | * L 15 4Bit[2] No None | |
1269 | * M 6 4Bit No IRQ_EINT | |
1270 | * N 16 2Bit No IRQ_EINT | |
1271 | * O 16 2Bit Yes 7 | |
1272 | * P 15 2Bit Yes 8 | |
1273 | * Q 9 2Bit Yes 9 | |
1274 | * | |
1275 | * [1] BANKF pins 14,15 do not form part of the external interrupt sources | |
1276 | * [2] BANK has two control registers, GPxCON0 and GPxCON1 | |
1277 | */ | |
1278 | ||
1279 | static struct samsung_gpio_chip s3c64xx_gpios_4bit[] = { | |
1280 | #ifdef CONFIG_PLAT_S3C64XX | |
1281 | { | |
1282 | .chip = { | |
1283 | .base = S3C64XX_GPA(0), | |
1284 | .ngpio = S3C64XX_GPIO_A_NR, | |
1285 | .label = "GPA", | |
1286 | }, | |
1287 | }, { | |
1288 | .chip = { | |
1289 | .base = S3C64XX_GPB(0), | |
1290 | .ngpio = S3C64XX_GPIO_B_NR, | |
1291 | .label = "GPB", | |
1292 | }, | |
1293 | }, { | |
1294 | .chip = { | |
1295 | .base = S3C64XX_GPC(0), | |
1296 | .ngpio = S3C64XX_GPIO_C_NR, | |
1297 | .label = "GPC", | |
1298 | }, | |
1299 | }, { | |
1300 | .chip = { | |
1301 | .base = S3C64XX_GPD(0), | |
1302 | .ngpio = S3C64XX_GPIO_D_NR, | |
1303 | .label = "GPD", | |
1304 | }, | |
1305 | }, { | |
1306 | .config = &samsung_gpio_cfgs[0], | |
1307 | .chip = { | |
1308 | .base = S3C64XX_GPE(0), | |
1309 | .ngpio = S3C64XX_GPIO_E_NR, | |
1310 | .label = "GPE", | |
1311 | }, | |
1312 | }, { | |
1313 | .base = S3C64XX_GPG_BASE, | |
1314 | .chip = { | |
1315 | .base = S3C64XX_GPG(0), | |
1316 | .ngpio = S3C64XX_GPIO_G_NR, | |
1317 | .label = "GPG", | |
1318 | }, | |
1319 | }, { | |
1320 | .base = S3C64XX_GPM_BASE, | |
1321 | .config = &samsung_gpio_cfgs[1], | |
1322 | .chip = { | |
1323 | .base = S3C64XX_GPM(0), | |
1324 | .ngpio = S3C64XX_GPIO_M_NR, | |
1325 | .label = "GPM", | |
1326 | .to_irq = s3c64xx_gpiolib_mbank_to_irq, | |
1327 | }, | |
1328 | }, | |
1329 | #endif | |
1330 | }; | |
1331 | ||
1332 | static struct samsung_gpio_chip s3c64xx_gpios_4bit2[] = { | |
1333 | #ifdef CONFIG_PLAT_S3C64XX | |
1334 | { | |
1335 | .base = S3C64XX_GPH_BASE + 0x4, | |
1336 | .chip = { | |
1337 | .base = S3C64XX_GPH(0), | |
1338 | .ngpio = S3C64XX_GPIO_H_NR, | |
1339 | .label = "GPH", | |
1340 | }, | |
1341 | }, { | |
1342 | .base = S3C64XX_GPK_BASE + 0x4, | |
1343 | .config = &samsung_gpio_cfgs[0], | |
1344 | .chip = { | |
1345 | .base = S3C64XX_GPK(0), | |
1346 | .ngpio = S3C64XX_GPIO_K_NR, | |
1347 | .label = "GPK", | |
1348 | }, | |
1349 | }, { | |
1350 | .base = S3C64XX_GPL_BASE + 0x4, | |
1351 | .config = &samsung_gpio_cfgs[1], | |
1352 | .chip = { | |
1353 | .base = S3C64XX_GPL(0), | |
1354 | .ngpio = S3C64XX_GPIO_L_NR, | |
1355 | .label = "GPL", | |
1356 | .to_irq = s3c64xx_gpiolib_lbank_to_irq, | |
1357 | }, | |
1358 | }, | |
1359 | #endif | |
1360 | }; | |
1361 | ||
1362 | static struct samsung_gpio_chip s3c64xx_gpios_2bit[] = { | |
1363 | #ifdef CONFIG_PLAT_S3C64XX | |
1364 | { | |
1365 | .base = S3C64XX_GPF_BASE, | |
1366 | .config = &samsung_gpio_cfgs[6], | |
1367 | .chip = { | |
1368 | .base = S3C64XX_GPF(0), | |
1369 | .ngpio = S3C64XX_GPIO_F_NR, | |
1370 | .label = "GPF", | |
1371 | }, | |
1372 | }, { | |
1373 | .config = &samsung_gpio_cfgs[7], | |
1374 | .chip = { | |
1375 | .base = S3C64XX_GPI(0), | |
1376 | .ngpio = S3C64XX_GPIO_I_NR, | |
1377 | .label = "GPI", | |
1378 | }, | |
1379 | }, { | |
1380 | .config = &samsung_gpio_cfgs[7], | |
1381 | .chip = { | |
1382 | .base = S3C64XX_GPJ(0), | |
1383 | .ngpio = S3C64XX_GPIO_J_NR, | |
1384 | .label = "GPJ", | |
1385 | }, | |
1386 | }, { | |
1387 | .config = &samsung_gpio_cfgs[6], | |
1388 | .chip = { | |
1389 | .base = S3C64XX_GPO(0), | |
1390 | .ngpio = S3C64XX_GPIO_O_NR, | |
1391 | .label = "GPO", | |
1392 | }, | |
1393 | }, { | |
1394 | .config = &samsung_gpio_cfgs[6], | |
1395 | .chip = { | |
1396 | .base = S3C64XX_GPP(0), | |
1397 | .ngpio = S3C64XX_GPIO_P_NR, | |
1398 | .label = "GPP", | |
1399 | }, | |
1400 | }, { | |
1401 | .config = &samsung_gpio_cfgs[6], | |
1402 | .chip = { | |
1403 | .base = S3C64XX_GPQ(0), | |
1404 | .ngpio = S3C64XX_GPIO_Q_NR, | |
1405 | .label = "GPQ", | |
1406 | }, | |
1407 | }, { | |
1408 | .base = S3C64XX_GPN_BASE, | |
1409 | .irq_base = IRQ_EINT(0), | |
1410 | .config = &samsung_gpio_cfgs[5], | |
1411 | .chip = { | |
1412 | .base = S3C64XX_GPN(0), | |
1413 | .ngpio = S3C64XX_GPIO_N_NR, | |
1414 | .label = "GPN", | |
1415 | .to_irq = samsung_gpiolib_to_irq, | |
1416 | }, | |
1417 | }, | |
1418 | #endif | |
1419 | }; | |
1420 | ||
1421 | /* | |
1422 | * S5P6440 GPIO bank summary: | |
1423 | * | |
1424 | * Bank GPIOs Style SlpCon ExtInt Group | |
1425 | * A 6 4Bit Yes 1 | |
1426 | * B 7 4Bit Yes 1 | |
1427 | * C 8 4Bit Yes 2 | |
1428 | * F 2 2Bit Yes 4 [1] | |
1429 | * G 7 4Bit Yes 5 | |
1430 | * H 10 4Bit[2] Yes 6 | |
1431 | * I 16 2Bit Yes None | |
1432 | * J 12 2Bit Yes None | |
1433 | * N 16 2Bit No IRQ_EINT | |
1434 | * P 8 2Bit Yes 8 | |
1435 | * R 15 4Bit[2] Yes 8 | |
1436 | */ | |
1437 | ||
1438 | static struct samsung_gpio_chip s5p6440_gpios_4bit[] = { | |
1439 | #ifdef CONFIG_CPU_S5P6440 | |
1440 | { | |
1441 | .chip = { | |
1442 | .base = S5P6440_GPA(0), | |
1443 | .ngpio = S5P6440_GPIO_A_NR, | |
1444 | .label = "GPA", | |
1445 | }, | |
1446 | }, { | |
1447 | .chip = { | |
1448 | .base = S5P6440_GPB(0), | |
1449 | .ngpio = S5P6440_GPIO_B_NR, | |
1450 | .label = "GPB", | |
1451 | }, | |
1452 | }, { | |
1453 | .chip = { | |
1454 | .base = S5P6440_GPC(0), | |
1455 | .ngpio = S5P6440_GPIO_C_NR, | |
1456 | .label = "GPC", | |
1457 | }, | |
1458 | }, { | |
1459 | .base = S5P64X0_GPG_BASE, | |
1460 | .chip = { | |
1461 | .base = S5P6440_GPG(0), | |
1462 | .ngpio = S5P6440_GPIO_G_NR, | |
1463 | .label = "GPG", | |
1464 | }, | |
1465 | }, | |
1466 | #endif | |
1467 | }; | |
1468 | ||
1469 | static struct samsung_gpio_chip s5p6440_gpios_4bit2[] = { | |
1470 | #ifdef CONFIG_CPU_S5P6440 | |
1471 | { | |
1472 | .base = S5P64X0_GPH_BASE + 0x4, | |
1473 | .chip = { | |
1474 | .base = S5P6440_GPH(0), | |
1475 | .ngpio = S5P6440_GPIO_H_NR, | |
1476 | .label = "GPH", | |
1477 | }, | |
1478 | }, | |
1479 | #endif | |
1480 | }; | |
1481 | ||
1482 | static struct samsung_gpio_chip s5p6440_gpios_rbank[] = { | |
1483 | #ifdef CONFIG_CPU_S5P6440 | |
1484 | { | |
1485 | .base = S5P64X0_GPR_BASE + 0x4, | |
1486 | .config = &s5p64x0_gpio_cfg_rbank, | |
1487 | .chip = { | |
1488 | .base = S5P6440_GPR(0), | |
1489 | .ngpio = S5P6440_GPIO_R_NR, | |
1490 | .label = "GPR", | |
1491 | }, | |
1492 | }, | |
1493 | #endif | |
1494 | }; | |
1495 | ||
1496 | static struct samsung_gpio_chip s5p6440_gpios_2bit[] = { | |
1497 | #ifdef CONFIG_CPU_S5P6440 | |
1498 | { | |
1499 | .base = S5P64X0_GPF_BASE, | |
1500 | .config = &samsung_gpio_cfgs[6], | |
1501 | .chip = { | |
1502 | .base = S5P6440_GPF(0), | |
1503 | .ngpio = S5P6440_GPIO_F_NR, | |
1504 | .label = "GPF", | |
1505 | }, | |
1506 | }, { | |
1507 | .base = S5P64X0_GPI_BASE, | |
1508 | .config = &samsung_gpio_cfgs[4], | |
1509 | .chip = { | |
1510 | .base = S5P6440_GPI(0), | |
1511 | .ngpio = S5P6440_GPIO_I_NR, | |
1512 | .label = "GPI", | |
1513 | }, | |
1514 | }, { | |
1515 | .base = S5P64X0_GPJ_BASE, | |
1516 | .config = &samsung_gpio_cfgs[4], | |
1517 | .chip = { | |
1518 | .base = S5P6440_GPJ(0), | |
1519 | .ngpio = S5P6440_GPIO_J_NR, | |
1520 | .label = "GPJ", | |
1521 | }, | |
1522 | }, { | |
1523 | .base = S5P64X0_GPN_BASE, | |
1524 | .config = &samsung_gpio_cfgs[5], | |
1525 | .chip = { | |
1526 | .base = S5P6440_GPN(0), | |
1527 | .ngpio = S5P6440_GPIO_N_NR, | |
1528 | .label = "GPN", | |
1529 | }, | |
1530 | }, { | |
1531 | .base = S5P64X0_GPP_BASE, | |
1532 | .config = &samsung_gpio_cfgs[6], | |
1533 | .chip = { | |
1534 | .base = S5P6440_GPP(0), | |
1535 | .ngpio = S5P6440_GPIO_P_NR, | |
1536 | .label = "GPP", | |
1537 | }, | |
1538 | }, | |
1539 | #endif | |
1540 | }; | |
1541 | ||
1542 | /* | |
1543 | * S5P6450 GPIO bank summary: | |
1544 | * | |
1545 | * Bank GPIOs Style SlpCon ExtInt Group | |
1546 | * A 6 4Bit Yes 1 | |
1547 | * B 7 4Bit Yes 1 | |
1548 | * C 8 4Bit Yes 2 | |
1549 | * D 8 4Bit Yes None | |
1550 | * F 2 2Bit Yes None | |
1551 | * G 14 4Bit[2] Yes 5 | |
1552 | * H 10 4Bit[2] Yes 6 | |
1553 | * I 16 2Bit Yes None | |
1554 | * J 12 2Bit Yes None | |
1555 | * K 5 4Bit Yes None | |
1556 | * N 16 2Bit No IRQ_EINT | |
1557 | * P 11 2Bit Yes 8 | |
1558 | * Q 14 2Bit Yes None | |
1559 | * R 15 4Bit[2] Yes None | |
1560 | * S 8 2Bit Yes None | |
1561 | * | |
1562 | * [1] BANKF pins 14,15 do not form part of the external interrupt sources | |
1563 | * [2] BANK has two control registers, GPxCON0 and GPxCON1 | |
1564 | */ | |
1565 | ||
1566 | static struct samsung_gpio_chip s5p6450_gpios_4bit[] = { | |
1567 | #ifdef CONFIG_CPU_S5P6450 | |
1568 | { | |
1569 | .chip = { | |
1570 | .base = S5P6450_GPA(0), | |
1571 | .ngpio = S5P6450_GPIO_A_NR, | |
1572 | .label = "GPA", | |
1573 | }, | |
1574 | }, { | |
1575 | .chip = { | |
1576 | .base = S5P6450_GPB(0), | |
1577 | .ngpio = S5P6450_GPIO_B_NR, | |
1578 | .label = "GPB", | |
1579 | }, | |
1580 | }, { | |
1581 | .chip = { | |
1582 | .base = S5P6450_GPC(0), | |
1583 | .ngpio = S5P6450_GPIO_C_NR, | |
1584 | .label = "GPC", | |
1585 | }, | |
1586 | }, { | |
1587 | .chip = { | |
1588 | .base = S5P6450_GPD(0), | |
1589 | .ngpio = S5P6450_GPIO_D_NR, | |
1590 | .label = "GPD", | |
1591 | }, | |
1592 | }, { | |
1593 | .base = S5P6450_GPK_BASE, | |
1594 | .chip = { | |
1595 | .base = S5P6450_GPK(0), | |
1596 | .ngpio = S5P6450_GPIO_K_NR, | |
1597 | .label = "GPK", | |
1598 | }, | |
1599 | }, | |
1600 | #endif | |
1601 | }; | |
1602 | ||
1603 | static struct samsung_gpio_chip s5p6450_gpios_4bit2[] = { | |
1604 | #ifdef CONFIG_CPU_S5P6450 | |
1605 | { | |
1606 | .base = S5P64X0_GPG_BASE + 0x4, | |
1607 | .chip = { | |
1608 | .base = S5P6450_GPG(0), | |
1609 | .ngpio = S5P6450_GPIO_G_NR, | |
1610 | .label = "GPG", | |
1611 | }, | |
1612 | }, { | |
1613 | .base = S5P64X0_GPH_BASE + 0x4, | |
1614 | .chip = { | |
1615 | .base = S5P6450_GPH(0), | |
1616 | .ngpio = S5P6450_GPIO_H_NR, | |
1617 | .label = "GPH", | |
1618 | }, | |
1619 | }, | |
1620 | #endif | |
1621 | }; | |
1622 | ||
1623 | static struct samsung_gpio_chip s5p6450_gpios_rbank[] = { | |
1624 | #ifdef CONFIG_CPU_S5P6450 | |
1625 | { | |
1626 | .base = S5P64X0_GPR_BASE + 0x4, | |
1627 | .config = &s5p64x0_gpio_cfg_rbank, | |
1628 | .chip = { | |
1629 | .base = S5P6450_GPR(0), | |
1630 | .ngpio = S5P6450_GPIO_R_NR, | |
1631 | .label = "GPR", | |
1632 | }, | |
1633 | }, | |
1634 | #endif | |
1635 | }; | |
1636 | ||
1637 | static struct samsung_gpio_chip s5p6450_gpios_2bit[] = { | |
1638 | #ifdef CONFIG_CPU_S5P6450 | |
1639 | { | |
1640 | .base = S5P64X0_GPF_BASE, | |
1641 | .config = &samsung_gpio_cfgs[6], | |
1642 | .chip = { | |
1643 | .base = S5P6450_GPF(0), | |
1644 | .ngpio = S5P6450_GPIO_F_NR, | |
1645 | .label = "GPF", | |
1646 | }, | |
1647 | }, { | |
1648 | .base = S5P64X0_GPI_BASE, | |
1649 | .config = &samsung_gpio_cfgs[4], | |
1650 | .chip = { | |
1651 | .base = S5P6450_GPI(0), | |
1652 | .ngpio = S5P6450_GPIO_I_NR, | |
1653 | .label = "GPI", | |
1654 | }, | |
1655 | }, { | |
1656 | .base = S5P64X0_GPJ_BASE, | |
1657 | .config = &samsung_gpio_cfgs[4], | |
1658 | .chip = { | |
1659 | .base = S5P6450_GPJ(0), | |
1660 | .ngpio = S5P6450_GPIO_J_NR, | |
1661 | .label = "GPJ", | |
1662 | }, | |
1663 | }, { | |
1664 | .base = S5P64X0_GPN_BASE, | |
1665 | .config = &samsung_gpio_cfgs[5], | |
1666 | .chip = { | |
1667 | .base = S5P6450_GPN(0), | |
1668 | .ngpio = S5P6450_GPIO_N_NR, | |
1669 | .label = "GPN", | |
1670 | }, | |
1671 | }, { | |
1672 | .base = S5P64X0_GPP_BASE, | |
1673 | .config = &samsung_gpio_cfgs[6], | |
1674 | .chip = { | |
1675 | .base = S5P6450_GPP(0), | |
1676 | .ngpio = S5P6450_GPIO_P_NR, | |
1677 | .label = "GPP", | |
1678 | }, | |
1679 | }, { | |
1680 | .base = S5P6450_GPQ_BASE, | |
1681 | .config = &samsung_gpio_cfgs[5], | |
1682 | .chip = { | |
1683 | .base = S5P6450_GPQ(0), | |
1684 | .ngpio = S5P6450_GPIO_Q_NR, | |
1685 | .label = "GPQ", | |
1686 | }, | |
1687 | }, { | |
1688 | .base = S5P6450_GPS_BASE, | |
1689 | .config = &samsung_gpio_cfgs[6], | |
1690 | .chip = { | |
1691 | .base = S5P6450_GPS(0), | |
1692 | .ngpio = S5P6450_GPIO_S_NR, | |
1693 | .label = "GPS", | |
1694 | }, | |
1695 | }, | |
1696 | #endif | |
1697 | }; | |
1698 | ||
1699 | /* | |
1700 | * S5PC100 GPIO bank summary: | |
1701 | * | |
1702 | * Bank GPIOs Style INT Type | |
1703 | * A0 8 4Bit GPIO_INT0 | |
1704 | * A1 5 4Bit GPIO_INT1 | |
1705 | * B 8 4Bit GPIO_INT2 | |
1706 | * C 5 4Bit GPIO_INT3 | |
1707 | * D 7 4Bit GPIO_INT4 | |
1708 | * E0 8 4Bit GPIO_INT5 | |
1709 | * E1 6 4Bit GPIO_INT6 | |
1710 | * F0 8 4Bit GPIO_INT7 | |
1711 | * F1 8 4Bit GPIO_INT8 | |
1712 | * F2 8 4Bit GPIO_INT9 | |
1713 | * F3 4 4Bit GPIO_INT10 | |
1714 | * G0 8 4Bit GPIO_INT11 | |
1715 | * G1 3 4Bit GPIO_INT12 | |
1716 | * G2 7 4Bit GPIO_INT13 | |
1717 | * G3 7 4Bit GPIO_INT14 | |
1718 | * H0 8 4Bit WKUP_INT | |
1719 | * H1 8 4Bit WKUP_INT | |
1720 | * H2 8 4Bit WKUP_INT | |
1721 | * H3 8 4Bit WKUP_INT | |
1722 | * I 8 4Bit GPIO_INT15 | |
1723 | * J0 8 4Bit GPIO_INT16 | |
1724 | * J1 5 4Bit GPIO_INT17 | |
1725 | * J2 8 4Bit GPIO_INT18 | |
1726 | * J3 8 4Bit GPIO_INT19 | |
1727 | * J4 4 4Bit GPIO_INT20 | |
1728 | * K0 8 4Bit None | |
1729 | * K1 6 4Bit None | |
1730 | * K2 8 4Bit None | |
1731 | * K3 8 4Bit None | |
1732 | * L0 8 4Bit None | |
1733 | * L1 8 4Bit None | |
1734 | * L2 8 4Bit None | |
1735 | * L3 8 4Bit None | |
1736 | */ | |
1737 | ||
1738 | static struct samsung_gpio_chip s5pc100_gpios_4bit[] = { | |
1739 | #ifdef CONFIG_CPU_S5PC100 | |
1740 | { | |
1741 | .chip = { | |
1742 | .base = S5PC100_GPA0(0), | |
1743 | .ngpio = S5PC100_GPIO_A0_NR, | |
1744 | .label = "GPA0", | |
1745 | }, | |
1746 | }, { | |
1747 | .chip = { | |
1748 | .base = S5PC100_GPA1(0), | |
1749 | .ngpio = S5PC100_GPIO_A1_NR, | |
1750 | .label = "GPA1", | |
1751 | }, | |
1752 | }, { | |
1753 | .chip = { | |
1754 | .base = S5PC100_GPB(0), | |
1755 | .ngpio = S5PC100_GPIO_B_NR, | |
1756 | .label = "GPB", | |
1757 | }, | |
1758 | }, { | |
1759 | .chip = { | |
1760 | .base = S5PC100_GPC(0), | |
1761 | .ngpio = S5PC100_GPIO_C_NR, | |
1762 | .label = "GPC", | |
1763 | }, | |
1764 | }, { | |
1765 | .chip = { | |
1766 | .base = S5PC100_GPD(0), | |
1767 | .ngpio = S5PC100_GPIO_D_NR, | |
1768 | .label = "GPD", | |
1769 | }, | |
1770 | }, { | |
1771 | .chip = { | |
1772 | .base = S5PC100_GPE0(0), | |
1773 | .ngpio = S5PC100_GPIO_E0_NR, | |
1774 | .label = "GPE0", | |
1775 | }, | |
1776 | }, { | |
1777 | .chip = { | |
1778 | .base = S5PC100_GPE1(0), | |
1779 | .ngpio = S5PC100_GPIO_E1_NR, | |
1780 | .label = "GPE1", | |
1781 | }, | |
1782 | }, { | |
1783 | .chip = { | |
1784 | .base = S5PC100_GPF0(0), | |
1785 | .ngpio = S5PC100_GPIO_F0_NR, | |
1786 | .label = "GPF0", | |
1787 | }, | |
1788 | }, { | |
1789 | .chip = { | |
1790 | .base = S5PC100_GPF1(0), | |
1791 | .ngpio = S5PC100_GPIO_F1_NR, | |
1792 | .label = "GPF1", | |
1793 | }, | |
1794 | }, { | |
1795 | .chip = { | |
1796 | .base = S5PC100_GPF2(0), | |
1797 | .ngpio = S5PC100_GPIO_F2_NR, | |
1798 | .label = "GPF2", | |
1799 | }, | |
1800 | }, { | |
1801 | .chip = { | |
1802 | .base = S5PC100_GPF3(0), | |
1803 | .ngpio = S5PC100_GPIO_F3_NR, | |
1804 | .label = "GPF3", | |
1805 | }, | |
1806 | }, { | |
1807 | .chip = { | |
1808 | .base = S5PC100_GPG0(0), | |
1809 | .ngpio = S5PC100_GPIO_G0_NR, | |
1810 | .label = "GPG0", | |
1811 | }, | |
1812 | }, { | |
1813 | .chip = { | |
1814 | .base = S5PC100_GPG1(0), | |
1815 | .ngpio = S5PC100_GPIO_G1_NR, | |
1816 | .label = "GPG1", | |
1817 | }, | |
1818 | }, { | |
1819 | .chip = { | |
1820 | .base = S5PC100_GPG2(0), | |
1821 | .ngpio = S5PC100_GPIO_G2_NR, | |
1822 | .label = "GPG2", | |
1823 | }, | |
1824 | }, { | |
1825 | .chip = { | |
1826 | .base = S5PC100_GPG3(0), | |
1827 | .ngpio = S5PC100_GPIO_G3_NR, | |
1828 | .label = "GPG3", | |
1829 | }, | |
1830 | }, { | |
1831 | .chip = { | |
1832 | .base = S5PC100_GPI(0), | |
1833 | .ngpio = S5PC100_GPIO_I_NR, | |
1834 | .label = "GPI", | |
1835 | }, | |
1836 | }, { | |
1837 | .chip = { | |
1838 | .base = S5PC100_GPJ0(0), | |
1839 | .ngpio = S5PC100_GPIO_J0_NR, | |
1840 | .label = "GPJ0", | |
1841 | }, | |
1842 | }, { | |
1843 | .chip = { | |
1844 | .base = S5PC100_GPJ1(0), | |
1845 | .ngpio = S5PC100_GPIO_J1_NR, | |
1846 | .label = "GPJ1", | |
1847 | }, | |
1848 | }, { | |
1849 | .chip = { | |
1850 | .base = S5PC100_GPJ2(0), | |
1851 | .ngpio = S5PC100_GPIO_J2_NR, | |
1852 | .label = "GPJ2", | |
1853 | }, | |
1854 | }, { | |
1855 | .chip = { | |
1856 | .base = S5PC100_GPJ3(0), | |
1857 | .ngpio = S5PC100_GPIO_J3_NR, | |
1858 | .label = "GPJ3", | |
1859 | }, | |
1860 | }, { | |
1861 | .chip = { | |
1862 | .base = S5PC100_GPJ4(0), | |
1863 | .ngpio = S5PC100_GPIO_J4_NR, | |
1864 | .label = "GPJ4", | |
1865 | }, | |
1866 | }, { | |
1867 | .chip = { | |
1868 | .base = S5PC100_GPK0(0), | |
1869 | .ngpio = S5PC100_GPIO_K0_NR, | |
1870 | .label = "GPK0", | |
1871 | }, | |
1872 | }, { | |
1873 | .chip = { | |
1874 | .base = S5PC100_GPK1(0), | |
1875 | .ngpio = S5PC100_GPIO_K1_NR, | |
1876 | .label = "GPK1", | |
1877 | }, | |
1878 | }, { | |
1879 | .chip = { | |
1880 | .base = S5PC100_GPK2(0), | |
1881 | .ngpio = S5PC100_GPIO_K2_NR, | |
1882 | .label = "GPK2", | |
1883 | }, | |
1884 | }, { | |
1885 | .chip = { | |
1886 | .base = S5PC100_GPK3(0), | |
1887 | .ngpio = S5PC100_GPIO_K3_NR, | |
1888 | .label = "GPK3", | |
1889 | }, | |
1890 | }, { | |
1891 | .chip = { | |
1892 | .base = S5PC100_GPL0(0), | |
1893 | .ngpio = S5PC100_GPIO_L0_NR, | |
1894 | .label = "GPL0", | |
1895 | }, | |
1896 | }, { | |
1897 | .chip = { | |
1898 | .base = S5PC100_GPL1(0), | |
1899 | .ngpio = S5PC100_GPIO_L1_NR, | |
1900 | .label = "GPL1", | |
1901 | }, | |
1902 | }, { | |
1903 | .chip = { | |
1904 | .base = S5PC100_GPL2(0), | |
1905 | .ngpio = S5PC100_GPIO_L2_NR, | |
1906 | .label = "GPL2", | |
1907 | }, | |
1908 | }, { | |
1909 | .chip = { | |
1910 | .base = S5PC100_GPL3(0), | |
1911 | .ngpio = S5PC100_GPIO_L3_NR, | |
1912 | .label = "GPL3", | |
1913 | }, | |
1914 | }, { | |
1915 | .chip = { | |
1916 | .base = S5PC100_GPL4(0), | |
1917 | .ngpio = S5PC100_GPIO_L4_NR, | |
1918 | .label = "GPL4", | |
1919 | }, | |
1920 | }, { | |
1921 | .base = (S5P_VA_GPIO + 0xC00), | |
1922 | .irq_base = IRQ_EINT(0), | |
1923 | .chip = { | |
1924 | .base = S5PC100_GPH0(0), | |
1925 | .ngpio = S5PC100_GPIO_H0_NR, | |
1926 | .label = "GPH0", | |
1927 | .to_irq = samsung_gpiolib_to_irq, | |
1928 | }, | |
1929 | }, { | |
1930 | .base = (S5P_VA_GPIO + 0xC20), | |
1931 | .irq_base = IRQ_EINT(8), | |
1932 | .chip = { | |
1933 | .base = S5PC100_GPH1(0), | |
1934 | .ngpio = S5PC100_GPIO_H1_NR, | |
1935 | .label = "GPH1", | |
1936 | .to_irq = samsung_gpiolib_to_irq, | |
1937 | }, | |
1938 | }, { | |
1939 | .base = (S5P_VA_GPIO + 0xC40), | |
1940 | .irq_base = IRQ_EINT(16), | |
1941 | .chip = { | |
1942 | .base = S5PC100_GPH2(0), | |
1943 | .ngpio = S5PC100_GPIO_H2_NR, | |
1944 | .label = "GPH2", | |
1945 | .to_irq = samsung_gpiolib_to_irq, | |
1946 | }, | |
1947 | }, { | |
1948 | .base = (S5P_VA_GPIO + 0xC60), | |
1949 | .irq_base = IRQ_EINT(24), | |
1950 | .chip = { | |
1951 | .base = S5PC100_GPH3(0), | |
1952 | .ngpio = S5PC100_GPIO_H3_NR, | |
1953 | .label = "GPH3", | |
1954 | .to_irq = samsung_gpiolib_to_irq, | |
1955 | }, | |
1956 | }, | |
1957 | #endif | |
1958 | }; | |
1959 | ||
1960 | /* | |
1961 | * Followings are the gpio banks in S5PV210/S5PC110 | |
1962 | * | |
1963 | * The 'config' member when left to NULL, is initialized to the default | |
b391f8cf | 1964 | * structure samsung_gpio_cfgs[3] in the init function below. |
1b39d5f2 KK |
1965 | * |
1966 | * The 'base' member is also initialized in the init function below. | |
1967 | * Note: The initialization of 'base' member of samsung_gpio_chip structure | |
1968 | * uses the above macro and depends on the banks being listed in order here. | |
1969 | */ | |
1970 | ||
1971 | static struct samsung_gpio_chip s5pv210_gpios_4bit[] = { | |
1972 | #ifdef CONFIG_CPU_S5PV210 | |
1973 | { | |
1974 | .chip = { | |
1975 | .base = S5PV210_GPA0(0), | |
1976 | .ngpio = S5PV210_GPIO_A0_NR, | |
1977 | .label = "GPA0", | |
1978 | }, | |
1979 | }, { | |
1980 | .chip = { | |
1981 | .base = S5PV210_GPA1(0), | |
1982 | .ngpio = S5PV210_GPIO_A1_NR, | |
1983 | .label = "GPA1", | |
1984 | }, | |
1985 | }, { | |
1986 | .chip = { | |
1987 | .base = S5PV210_GPB(0), | |
1988 | .ngpio = S5PV210_GPIO_B_NR, | |
1989 | .label = "GPB", | |
1990 | }, | |
1991 | }, { | |
1992 | .chip = { | |
1993 | .base = S5PV210_GPC0(0), | |
1994 | .ngpio = S5PV210_GPIO_C0_NR, | |
1995 | .label = "GPC0", | |
1996 | }, | |
1997 | }, { | |
1998 | .chip = { | |
1999 | .base = S5PV210_GPC1(0), | |
2000 | .ngpio = S5PV210_GPIO_C1_NR, | |
2001 | .label = "GPC1", | |
2002 | }, | |
2003 | }, { | |
2004 | .chip = { | |
2005 | .base = S5PV210_GPD0(0), | |
2006 | .ngpio = S5PV210_GPIO_D0_NR, | |
2007 | .label = "GPD0", | |
2008 | }, | |
2009 | }, { | |
2010 | .chip = { | |
2011 | .base = S5PV210_GPD1(0), | |
2012 | .ngpio = S5PV210_GPIO_D1_NR, | |
2013 | .label = "GPD1", | |
2014 | }, | |
2015 | }, { | |
2016 | .chip = { | |
2017 | .base = S5PV210_GPE0(0), | |
2018 | .ngpio = S5PV210_GPIO_E0_NR, | |
2019 | .label = "GPE0", | |
2020 | }, | |
2021 | }, { | |
2022 | .chip = { | |
2023 | .base = S5PV210_GPE1(0), | |
2024 | .ngpio = S5PV210_GPIO_E1_NR, | |
2025 | .label = "GPE1", | |
2026 | }, | |
2027 | }, { | |
2028 | .chip = { | |
2029 | .base = S5PV210_GPF0(0), | |
2030 | .ngpio = S5PV210_GPIO_F0_NR, | |
2031 | .label = "GPF0", | |
2032 | }, | |
2033 | }, { | |
2034 | .chip = { | |
2035 | .base = S5PV210_GPF1(0), | |
2036 | .ngpio = S5PV210_GPIO_F1_NR, | |
2037 | .label = "GPF1", | |
2038 | }, | |
2039 | }, { | |
2040 | .chip = { | |
2041 | .base = S5PV210_GPF2(0), | |
2042 | .ngpio = S5PV210_GPIO_F2_NR, | |
2043 | .label = "GPF2", | |
2044 | }, | |
2045 | }, { | |
2046 | .chip = { | |
2047 | .base = S5PV210_GPF3(0), | |
2048 | .ngpio = S5PV210_GPIO_F3_NR, | |
2049 | .label = "GPF3", | |
2050 | }, | |
2051 | }, { | |
2052 | .chip = { | |
2053 | .base = S5PV210_GPG0(0), | |
2054 | .ngpio = S5PV210_GPIO_G0_NR, | |
2055 | .label = "GPG0", | |
2056 | }, | |
2057 | }, { | |
2058 | .chip = { | |
2059 | .base = S5PV210_GPG1(0), | |
2060 | .ngpio = S5PV210_GPIO_G1_NR, | |
2061 | .label = "GPG1", | |
2062 | }, | |
2063 | }, { | |
2064 | .chip = { | |
2065 | .base = S5PV210_GPG2(0), | |
2066 | .ngpio = S5PV210_GPIO_G2_NR, | |
2067 | .label = "GPG2", | |
2068 | }, | |
2069 | }, { | |
2070 | .chip = { | |
2071 | .base = S5PV210_GPG3(0), | |
2072 | .ngpio = S5PV210_GPIO_G3_NR, | |
2073 | .label = "GPG3", | |
2074 | }, | |
2075 | }, { | |
2076 | .chip = { | |
2077 | .base = S5PV210_GPI(0), | |
2078 | .ngpio = S5PV210_GPIO_I_NR, | |
2079 | .label = "GPI", | |
2080 | }, | |
2081 | }, { | |
2082 | .chip = { | |
2083 | .base = S5PV210_GPJ0(0), | |
2084 | .ngpio = S5PV210_GPIO_J0_NR, | |
2085 | .label = "GPJ0", | |
2086 | }, | |
2087 | }, { | |
2088 | .chip = { | |
2089 | .base = S5PV210_GPJ1(0), | |
2090 | .ngpio = S5PV210_GPIO_J1_NR, | |
2091 | .label = "GPJ1", | |
2092 | }, | |
2093 | }, { | |
2094 | .chip = { | |
2095 | .base = S5PV210_GPJ2(0), | |
2096 | .ngpio = S5PV210_GPIO_J2_NR, | |
2097 | .label = "GPJ2", | |
2098 | }, | |
2099 | }, { | |
2100 | .chip = { | |
2101 | .base = S5PV210_GPJ3(0), | |
2102 | .ngpio = S5PV210_GPIO_J3_NR, | |
2103 | .label = "GPJ3", | |
2104 | }, | |
2105 | }, { | |
2106 | .chip = { | |
2107 | .base = S5PV210_GPJ4(0), | |
2108 | .ngpio = S5PV210_GPIO_J4_NR, | |
2109 | .label = "GPJ4", | |
2110 | }, | |
2111 | }, { | |
2112 | .chip = { | |
2113 | .base = S5PV210_MP01(0), | |
2114 | .ngpio = S5PV210_GPIO_MP01_NR, | |
2115 | .label = "MP01", | |
2116 | }, | |
2117 | }, { | |
2118 | .chip = { | |
2119 | .base = S5PV210_MP02(0), | |
2120 | .ngpio = S5PV210_GPIO_MP02_NR, | |
2121 | .label = "MP02", | |
2122 | }, | |
2123 | }, { | |
2124 | .chip = { | |
2125 | .base = S5PV210_MP03(0), | |
2126 | .ngpio = S5PV210_GPIO_MP03_NR, | |
2127 | .label = "MP03", | |
2128 | }, | |
2129 | }, { | |
2130 | .chip = { | |
2131 | .base = S5PV210_MP04(0), | |
2132 | .ngpio = S5PV210_GPIO_MP04_NR, | |
2133 | .label = "MP04", | |
2134 | }, | |
2135 | }, { | |
2136 | .chip = { | |
2137 | .base = S5PV210_MP05(0), | |
2138 | .ngpio = S5PV210_GPIO_MP05_NR, | |
2139 | .label = "MP05", | |
2140 | }, | |
2141 | }, { | |
2142 | .base = (S5P_VA_GPIO + 0xC00), | |
2143 | .irq_base = IRQ_EINT(0), | |
2144 | .chip = { | |
2145 | .base = S5PV210_GPH0(0), | |
2146 | .ngpio = S5PV210_GPIO_H0_NR, | |
2147 | .label = "GPH0", | |
2148 | .to_irq = samsung_gpiolib_to_irq, | |
2149 | }, | |
2150 | }, { | |
2151 | .base = (S5P_VA_GPIO + 0xC20), | |
2152 | .irq_base = IRQ_EINT(8), | |
2153 | .chip = { | |
2154 | .base = S5PV210_GPH1(0), | |
2155 | .ngpio = S5PV210_GPIO_H1_NR, | |
2156 | .label = "GPH1", | |
2157 | .to_irq = samsung_gpiolib_to_irq, | |
2158 | }, | |
2159 | }, { | |
2160 | .base = (S5P_VA_GPIO + 0xC40), | |
2161 | .irq_base = IRQ_EINT(16), | |
2162 | .chip = { | |
2163 | .base = S5PV210_GPH2(0), | |
2164 | .ngpio = S5PV210_GPIO_H2_NR, | |
2165 | .label = "GPH2", | |
2166 | .to_irq = samsung_gpiolib_to_irq, | |
2167 | }, | |
2168 | }, { | |
2169 | .base = (S5P_VA_GPIO + 0xC60), | |
2170 | .irq_base = IRQ_EINT(24), | |
2171 | .chip = { | |
2172 | .base = S5PV210_GPH3(0), | |
2173 | .ngpio = S5PV210_GPIO_H3_NR, | |
2174 | .label = "GPH3", | |
2175 | .to_irq = samsung_gpiolib_to_irq, | |
2176 | }, | |
2177 | }, | |
2178 | #endif | |
2179 | }; | |
2180 | ||
2181 | /* | |
a9696d84 | 2182 | * Followings are the gpio banks in EXYNOS SoCs |
1b39d5f2 KK |
2183 | * |
2184 | * The 'config' member when left to NULL, is initialized to the default | |
a9696d84 | 2185 | * structure exynos_gpio_cfg in the init function below. |
1b39d5f2 KK |
2186 | * |
2187 | * The 'base' member is also initialized in the init function below. | |
2188 | * Note: The initialization of 'base' member of samsung_gpio_chip structure | |
2189 | * uses the above macro and depends on the banks being listed in order here. | |
2190 | */ | |
2191 | ||
1b39d5f2 | 2192 | #ifdef CONFIG_ARCH_EXYNOS4 |
2760f7ad | 2193 | static struct samsung_gpio_chip exynos4_gpios_1[] = { |
1b39d5f2 KK |
2194 | { |
2195 | .chip = { | |
2196 | .base = EXYNOS4_GPA0(0), | |
2197 | .ngpio = EXYNOS4_GPIO_A0_NR, | |
2198 | .label = "GPA0", | |
2199 | }, | |
2200 | }, { | |
2201 | .chip = { | |
2202 | .base = EXYNOS4_GPA1(0), | |
2203 | .ngpio = EXYNOS4_GPIO_A1_NR, | |
2204 | .label = "GPA1", | |
2205 | }, | |
2206 | }, { | |
2207 | .chip = { | |
2208 | .base = EXYNOS4_GPB(0), | |
2209 | .ngpio = EXYNOS4_GPIO_B_NR, | |
2210 | .label = "GPB", | |
2211 | }, | |
2212 | }, { | |
2213 | .chip = { | |
2214 | .base = EXYNOS4_GPC0(0), | |
2215 | .ngpio = EXYNOS4_GPIO_C0_NR, | |
2216 | .label = "GPC0", | |
2217 | }, | |
2218 | }, { | |
2219 | .chip = { | |
2220 | .base = EXYNOS4_GPC1(0), | |
2221 | .ngpio = EXYNOS4_GPIO_C1_NR, | |
2222 | .label = "GPC1", | |
2223 | }, | |
2224 | }, { | |
2225 | .chip = { | |
2226 | .base = EXYNOS4_GPD0(0), | |
2227 | .ngpio = EXYNOS4_GPIO_D0_NR, | |
2228 | .label = "GPD0", | |
2229 | }, | |
2230 | }, { | |
2231 | .chip = { | |
2232 | .base = EXYNOS4_GPD1(0), | |
2233 | .ngpio = EXYNOS4_GPIO_D1_NR, | |
2234 | .label = "GPD1", | |
2235 | }, | |
2236 | }, { | |
2237 | .chip = { | |
2238 | .base = EXYNOS4_GPE0(0), | |
2239 | .ngpio = EXYNOS4_GPIO_E0_NR, | |
2240 | .label = "GPE0", | |
2241 | }, | |
2242 | }, { | |
2243 | .chip = { | |
2244 | .base = EXYNOS4_GPE1(0), | |
2245 | .ngpio = EXYNOS4_GPIO_E1_NR, | |
2246 | .label = "GPE1", | |
2247 | }, | |
2248 | }, { | |
2249 | .chip = { | |
2250 | .base = EXYNOS4_GPE2(0), | |
2251 | .ngpio = EXYNOS4_GPIO_E2_NR, | |
2252 | .label = "GPE2", | |
2253 | }, | |
2254 | }, { | |
2255 | .chip = { | |
2256 | .base = EXYNOS4_GPE3(0), | |
2257 | .ngpio = EXYNOS4_GPIO_E3_NR, | |
2258 | .label = "GPE3", | |
2259 | }, | |
2260 | }, { | |
2261 | .chip = { | |
2262 | .base = EXYNOS4_GPE4(0), | |
2263 | .ngpio = EXYNOS4_GPIO_E4_NR, | |
2264 | .label = "GPE4", | |
2265 | }, | |
2266 | }, { | |
2267 | .chip = { | |
2268 | .base = EXYNOS4_GPF0(0), | |
2269 | .ngpio = EXYNOS4_GPIO_F0_NR, | |
2270 | .label = "GPF0", | |
2271 | }, | |
2272 | }, { | |
2273 | .chip = { | |
2274 | .base = EXYNOS4_GPF1(0), | |
2275 | .ngpio = EXYNOS4_GPIO_F1_NR, | |
2276 | .label = "GPF1", | |
2277 | }, | |
2278 | }, { | |
2279 | .chip = { | |
2280 | .base = EXYNOS4_GPF2(0), | |
2281 | .ngpio = EXYNOS4_GPIO_F2_NR, | |
2282 | .label = "GPF2", | |
2283 | }, | |
2284 | }, { | |
2285 | .chip = { | |
2286 | .base = EXYNOS4_GPF3(0), | |
2287 | .ngpio = EXYNOS4_GPIO_F3_NR, | |
2288 | .label = "GPF3", | |
2289 | }, | |
2290 | }, | |
1b39d5f2 | 2291 | }; |
2760f7ad | 2292 | #endif |
1b39d5f2 | 2293 | |
1b39d5f2 | 2294 | #ifdef CONFIG_ARCH_EXYNOS4 |
2760f7ad | 2295 | static struct samsung_gpio_chip exynos4_gpios_2[] = { |
1b39d5f2 KK |
2296 | { |
2297 | .chip = { | |
2298 | .base = EXYNOS4_GPJ0(0), | |
2299 | .ngpio = EXYNOS4_GPIO_J0_NR, | |
2300 | .label = "GPJ0", | |
2301 | }, | |
2302 | }, { | |
2303 | .chip = { | |
2304 | .base = EXYNOS4_GPJ1(0), | |
2305 | .ngpio = EXYNOS4_GPIO_J1_NR, | |
2306 | .label = "GPJ1", | |
2307 | }, | |
2308 | }, { | |
2309 | .chip = { | |
2310 | .base = EXYNOS4_GPK0(0), | |
2311 | .ngpio = EXYNOS4_GPIO_K0_NR, | |
2312 | .label = "GPK0", | |
2313 | }, | |
2314 | }, { | |
2315 | .chip = { | |
2316 | .base = EXYNOS4_GPK1(0), | |
2317 | .ngpio = EXYNOS4_GPIO_K1_NR, | |
2318 | .label = "GPK1", | |
2319 | }, | |
2320 | }, { | |
2321 | .chip = { | |
2322 | .base = EXYNOS4_GPK2(0), | |
2323 | .ngpio = EXYNOS4_GPIO_K2_NR, | |
2324 | .label = "GPK2", | |
2325 | }, | |
2326 | }, { | |
2327 | .chip = { | |
2328 | .base = EXYNOS4_GPK3(0), | |
2329 | .ngpio = EXYNOS4_GPIO_K3_NR, | |
2330 | .label = "GPK3", | |
2331 | }, | |
2332 | }, { | |
2333 | .chip = { | |
2334 | .base = EXYNOS4_GPL0(0), | |
2335 | .ngpio = EXYNOS4_GPIO_L0_NR, | |
2336 | .label = "GPL0", | |
2337 | }, | |
2338 | }, { | |
2339 | .chip = { | |
2340 | .base = EXYNOS4_GPL1(0), | |
2341 | .ngpio = EXYNOS4_GPIO_L1_NR, | |
2342 | .label = "GPL1", | |
2343 | }, | |
2344 | }, { | |
2345 | .chip = { | |
2346 | .base = EXYNOS4_GPL2(0), | |
2347 | .ngpio = EXYNOS4_GPIO_L2_NR, | |
2348 | .label = "GPL2", | |
2349 | }, | |
2350 | }, { | |
b82cee24 | 2351 | .config = &samsung_gpio_cfgs[8], |
1b39d5f2 KK |
2352 | .chip = { |
2353 | .base = EXYNOS4_GPY0(0), | |
2354 | .ngpio = EXYNOS4_GPIO_Y0_NR, | |
2355 | .label = "GPY0", | |
2356 | }, | |
2357 | }, { | |
b82cee24 | 2358 | .config = &samsung_gpio_cfgs[8], |
1b39d5f2 KK |
2359 | .chip = { |
2360 | .base = EXYNOS4_GPY1(0), | |
2361 | .ngpio = EXYNOS4_GPIO_Y1_NR, | |
2362 | .label = "GPY1", | |
2363 | }, | |
2364 | }, { | |
b82cee24 | 2365 | .config = &samsung_gpio_cfgs[8], |
1b39d5f2 KK |
2366 | .chip = { |
2367 | .base = EXYNOS4_GPY2(0), | |
2368 | .ngpio = EXYNOS4_GPIO_Y2_NR, | |
2369 | .label = "GPY2", | |
2370 | }, | |
2371 | }, { | |
b82cee24 | 2372 | .config = &samsung_gpio_cfgs[8], |
1b39d5f2 KK |
2373 | .chip = { |
2374 | .base = EXYNOS4_GPY3(0), | |
2375 | .ngpio = EXYNOS4_GPIO_Y3_NR, | |
2376 | .label = "GPY3", | |
2377 | }, | |
2378 | }, { | |
b82cee24 | 2379 | .config = &samsung_gpio_cfgs[8], |
1b39d5f2 KK |
2380 | .chip = { |
2381 | .base = EXYNOS4_GPY4(0), | |
2382 | .ngpio = EXYNOS4_GPIO_Y4_NR, | |
2383 | .label = "GPY4", | |
2384 | }, | |
2385 | }, { | |
b82cee24 | 2386 | .config = &samsung_gpio_cfgs[8], |
1b39d5f2 KK |
2387 | .chip = { |
2388 | .base = EXYNOS4_GPY5(0), | |
2389 | .ngpio = EXYNOS4_GPIO_Y5_NR, | |
2390 | .label = "GPY5", | |
2391 | }, | |
2392 | }, { | |
b82cee24 | 2393 | .config = &samsung_gpio_cfgs[8], |
1b39d5f2 KK |
2394 | .chip = { |
2395 | .base = EXYNOS4_GPY6(0), | |
2396 | .ngpio = EXYNOS4_GPIO_Y6_NR, | |
2397 | .label = "GPY6", | |
2398 | }, | |
2399 | }, { | |
b82cee24 | 2400 | .config = &samsung_gpio_cfgs[9], |
1b39d5f2 KK |
2401 | .irq_base = IRQ_EINT(0), |
2402 | .chip = { | |
2403 | .base = EXYNOS4_GPX0(0), | |
2404 | .ngpio = EXYNOS4_GPIO_X0_NR, | |
2405 | .label = "GPX0", | |
2406 | .to_irq = samsung_gpiolib_to_irq, | |
2407 | }, | |
2408 | }, { | |
b82cee24 | 2409 | .config = &samsung_gpio_cfgs[9], |
1b39d5f2 KK |
2410 | .irq_base = IRQ_EINT(8), |
2411 | .chip = { | |
2412 | .base = EXYNOS4_GPX1(0), | |
2413 | .ngpio = EXYNOS4_GPIO_X1_NR, | |
2414 | .label = "GPX1", | |
2415 | .to_irq = samsung_gpiolib_to_irq, | |
2416 | }, | |
2417 | }, { | |
b82cee24 | 2418 | .config = &samsung_gpio_cfgs[9], |
1b39d5f2 KK |
2419 | .irq_base = IRQ_EINT(16), |
2420 | .chip = { | |
2421 | .base = EXYNOS4_GPX2(0), | |
2422 | .ngpio = EXYNOS4_GPIO_X2_NR, | |
2423 | .label = "GPX2", | |
2424 | .to_irq = samsung_gpiolib_to_irq, | |
2425 | }, | |
2426 | }, { | |
b82cee24 | 2427 | .config = &samsung_gpio_cfgs[9], |
1b39d5f2 KK |
2428 | .irq_base = IRQ_EINT(24), |
2429 | .chip = { | |
2430 | .base = EXYNOS4_GPX3(0), | |
2431 | .ngpio = EXYNOS4_GPIO_X3_NR, | |
2432 | .label = "GPX3", | |
2433 | .to_irq = samsung_gpiolib_to_irq, | |
2434 | }, | |
2435 | }, | |
1b39d5f2 | 2436 | }; |
2760f7ad | 2437 | #endif |
1b39d5f2 | 2438 | |
1b39d5f2 | 2439 | #ifdef CONFIG_ARCH_EXYNOS4 |
2760f7ad | 2440 | static struct samsung_gpio_chip exynos4_gpios_3[] = { |
1b39d5f2 KK |
2441 | { |
2442 | .chip = { | |
2443 | .base = EXYNOS4_GPZ(0), | |
2444 | .ngpio = EXYNOS4_GPIO_Z_NR, | |
2445 | .label = "GPZ", | |
2446 | }, | |
2447 | }, | |
1b39d5f2 | 2448 | }; |
2760f7ad | 2449 | #endif |
1b39d5f2 | 2450 | |
dcb9c349 | 2451 | #ifdef CONFIG_SOC_EXYNOS5250 |
9a5c7d6e | 2452 | static struct samsung_gpio_chip exynos5_gpios_1[] = { |
a9696d84 SP |
2453 | { |
2454 | .chip = { | |
2455 | .base = EXYNOS5_GPA0(0), | |
2456 | .ngpio = EXYNOS5_GPIO_A0_NR, | |
2457 | .label = "GPA0", | |
2458 | }, | |
2459 | }, { | |
2460 | .chip = { | |
2461 | .base = EXYNOS5_GPA1(0), | |
2462 | .ngpio = EXYNOS5_GPIO_A1_NR, | |
2463 | .label = "GPA1", | |
2464 | }, | |
2465 | }, { | |
2466 | .chip = { | |
2467 | .base = EXYNOS5_GPA2(0), | |
2468 | .ngpio = EXYNOS5_GPIO_A2_NR, | |
2469 | .label = "GPA2", | |
2470 | }, | |
2471 | }, { | |
2472 | .chip = { | |
2473 | .base = EXYNOS5_GPB0(0), | |
2474 | .ngpio = EXYNOS5_GPIO_B0_NR, | |
2475 | .label = "GPB0", | |
2476 | }, | |
2477 | }, { | |
2478 | .chip = { | |
2479 | .base = EXYNOS5_GPB1(0), | |
2480 | .ngpio = EXYNOS5_GPIO_B1_NR, | |
2481 | .label = "GPB1", | |
2482 | }, | |
2483 | }, { | |
2484 | .chip = { | |
2485 | .base = EXYNOS5_GPB2(0), | |
2486 | .ngpio = EXYNOS5_GPIO_B2_NR, | |
2487 | .label = "GPB2", | |
2488 | }, | |
2489 | }, { | |
2490 | .chip = { | |
2491 | .base = EXYNOS5_GPB3(0), | |
2492 | .ngpio = EXYNOS5_GPIO_B3_NR, | |
2493 | .label = "GPB3", | |
2494 | }, | |
2495 | }, { | |
2496 | .chip = { | |
2497 | .base = EXYNOS5_GPC0(0), | |
2498 | .ngpio = EXYNOS5_GPIO_C0_NR, | |
2499 | .label = "GPC0", | |
2500 | }, | |
2501 | }, { | |
2502 | .chip = { | |
2503 | .base = EXYNOS5_GPC1(0), | |
2504 | .ngpio = EXYNOS5_GPIO_C1_NR, | |
2505 | .label = "GPC1", | |
2506 | }, | |
2507 | }, { | |
2508 | .chip = { | |
2509 | .base = EXYNOS5_GPC2(0), | |
2510 | .ngpio = EXYNOS5_GPIO_C2_NR, | |
2511 | .label = "GPC2", | |
2512 | }, | |
2513 | }, { | |
2514 | .chip = { | |
2515 | .base = EXYNOS5_GPC3(0), | |
2516 | .ngpio = EXYNOS5_GPIO_C3_NR, | |
2517 | .label = "GPC3", | |
2518 | }, | |
2519 | }, { | |
2520 | .chip = { | |
2521 | .base = EXYNOS5_GPD0(0), | |
2522 | .ngpio = EXYNOS5_GPIO_D0_NR, | |
2523 | .label = "GPD0", | |
2524 | }, | |
2525 | }, { | |
2526 | .chip = { | |
2527 | .base = EXYNOS5_GPD1(0), | |
2528 | .ngpio = EXYNOS5_GPIO_D1_NR, | |
2529 | .label = "GPD1", | |
2530 | }, | |
2531 | }, { | |
2532 | .chip = { | |
2533 | .base = EXYNOS5_GPY0(0), | |
2534 | .ngpio = EXYNOS5_GPIO_Y0_NR, | |
2535 | .label = "GPY0", | |
2536 | }, | |
2537 | }, { | |
2538 | .chip = { | |
2539 | .base = EXYNOS5_GPY1(0), | |
2540 | .ngpio = EXYNOS5_GPIO_Y1_NR, | |
2541 | .label = "GPY1", | |
2542 | }, | |
2543 | }, { | |
2544 | .chip = { | |
2545 | .base = EXYNOS5_GPY2(0), | |
2546 | .ngpio = EXYNOS5_GPIO_Y2_NR, | |
2547 | .label = "GPY2", | |
2548 | }, | |
2549 | }, { | |
2550 | .chip = { | |
2551 | .base = EXYNOS5_GPY3(0), | |
2552 | .ngpio = EXYNOS5_GPIO_Y3_NR, | |
2553 | .label = "GPY3", | |
2554 | }, | |
2555 | }, { | |
2556 | .chip = { | |
2557 | .base = EXYNOS5_GPY4(0), | |
2558 | .ngpio = EXYNOS5_GPIO_Y4_NR, | |
2559 | .label = "GPY4", | |
2560 | }, | |
2561 | }, { | |
2562 | .chip = { | |
2563 | .base = EXYNOS5_GPY5(0), | |
2564 | .ngpio = EXYNOS5_GPIO_Y5_NR, | |
2565 | .label = "GPY5", | |
2566 | }, | |
2567 | }, { | |
2568 | .chip = { | |
2569 | .base = EXYNOS5_GPY6(0), | |
2570 | .ngpio = EXYNOS5_GPIO_Y6_NR, | |
2571 | .label = "GPY6", | |
2572 | }, | |
f7093f3e SP |
2573 | }, { |
2574 | .chip = { | |
2575 | .base = EXYNOS5_GPC4(0), | |
2576 | .ngpio = EXYNOS5_GPIO_C4_NR, | |
2577 | .label = "GPC4", | |
2578 | }, | |
a9696d84 SP |
2579 | }, { |
2580 | .config = &samsung_gpio_cfgs[9], | |
2581 | .irq_base = IRQ_EINT(0), | |
2582 | .chip = { | |
2583 | .base = EXYNOS5_GPX0(0), | |
2584 | .ngpio = EXYNOS5_GPIO_X0_NR, | |
2585 | .label = "GPX0", | |
2586 | .to_irq = samsung_gpiolib_to_irq, | |
2587 | }, | |
2588 | }, { | |
2589 | .config = &samsung_gpio_cfgs[9], | |
2590 | .irq_base = IRQ_EINT(8), | |
2591 | .chip = { | |
2592 | .base = EXYNOS5_GPX1(0), | |
2593 | .ngpio = EXYNOS5_GPIO_X1_NR, | |
2594 | .label = "GPX1", | |
2595 | .to_irq = samsung_gpiolib_to_irq, | |
2596 | }, | |
2597 | }, { | |
2598 | .config = &samsung_gpio_cfgs[9], | |
2599 | .irq_base = IRQ_EINT(16), | |
2600 | .chip = { | |
2601 | .base = EXYNOS5_GPX2(0), | |
2602 | .ngpio = EXYNOS5_GPIO_X2_NR, | |
2603 | .label = "GPX2", | |
2604 | .to_irq = samsung_gpiolib_to_irq, | |
2605 | }, | |
2606 | }, { | |
2607 | .config = &samsung_gpio_cfgs[9], | |
2608 | .irq_base = IRQ_EINT(24), | |
2609 | .chip = { | |
2610 | .base = EXYNOS5_GPX3(0), | |
2611 | .ngpio = EXYNOS5_GPIO_X3_NR, | |
2612 | .label = "GPX3", | |
2613 | .to_irq = samsung_gpiolib_to_irq, | |
2614 | }, | |
2615 | }, | |
a9696d84 | 2616 | }; |
9a5c7d6e | 2617 | #endif |
a9696d84 | 2618 | |
dcb9c349 | 2619 | #ifdef CONFIG_SOC_EXYNOS5250 |
9a5c7d6e | 2620 | static struct samsung_gpio_chip exynos5_gpios_2[] = { |
a9696d84 SP |
2621 | { |
2622 | .chip = { | |
2623 | .base = EXYNOS5_GPE0(0), | |
2624 | .ngpio = EXYNOS5_GPIO_E0_NR, | |
2625 | .label = "GPE0", | |
2626 | }, | |
2627 | }, { | |
2628 | .chip = { | |
2629 | .base = EXYNOS5_GPE1(0), | |
2630 | .ngpio = EXYNOS5_GPIO_E1_NR, | |
2631 | .label = "GPE1", | |
2632 | }, | |
2633 | }, { | |
2634 | .chip = { | |
2635 | .base = EXYNOS5_GPF0(0), | |
2636 | .ngpio = EXYNOS5_GPIO_F0_NR, | |
2637 | .label = "GPF0", | |
2638 | }, | |
2639 | }, { | |
2640 | .chip = { | |
2641 | .base = EXYNOS5_GPF1(0), | |
2642 | .ngpio = EXYNOS5_GPIO_F1_NR, | |
2643 | .label = "GPF1", | |
2644 | }, | |
2645 | }, { | |
2646 | .chip = { | |
2647 | .base = EXYNOS5_GPG0(0), | |
2648 | .ngpio = EXYNOS5_GPIO_G0_NR, | |
2649 | .label = "GPG0", | |
2650 | }, | |
2651 | }, { | |
2652 | .chip = { | |
2653 | .base = EXYNOS5_GPG1(0), | |
2654 | .ngpio = EXYNOS5_GPIO_G1_NR, | |
2655 | .label = "GPG1", | |
2656 | }, | |
2657 | }, { | |
2658 | .chip = { | |
2659 | .base = EXYNOS5_GPG2(0), | |
2660 | .ngpio = EXYNOS5_GPIO_G2_NR, | |
2661 | .label = "GPG2", | |
2662 | }, | |
2663 | }, { | |
2664 | .chip = { | |
2665 | .base = EXYNOS5_GPH0(0), | |
2666 | .ngpio = EXYNOS5_GPIO_H0_NR, | |
2667 | .label = "GPH0", | |
2668 | }, | |
2669 | }, { | |
2670 | .chip = { | |
2671 | .base = EXYNOS5_GPH1(0), | |
2672 | .ngpio = EXYNOS5_GPIO_H1_NR, | |
2673 | .label = "GPH1", | |
2674 | ||
2675 | }, | |
2676 | }, | |
a9696d84 | 2677 | }; |
9a5c7d6e | 2678 | #endif |
a9696d84 | 2679 | |
dcb9c349 | 2680 | #ifdef CONFIG_SOC_EXYNOS5250 |
9a5c7d6e | 2681 | static struct samsung_gpio_chip exynos5_gpios_3[] = { |
a9696d84 SP |
2682 | { |
2683 | .chip = { | |
2684 | .base = EXYNOS5_GPV0(0), | |
2685 | .ngpio = EXYNOS5_GPIO_V0_NR, | |
2686 | .label = "GPV0", | |
2687 | }, | |
2688 | }, { | |
2689 | .chip = { | |
2690 | .base = EXYNOS5_GPV1(0), | |
2691 | .ngpio = EXYNOS5_GPIO_V1_NR, | |
2692 | .label = "GPV1", | |
2693 | }, | |
2694 | }, { | |
2695 | .chip = { | |
2696 | .base = EXYNOS5_GPV2(0), | |
2697 | .ngpio = EXYNOS5_GPIO_V2_NR, | |
2698 | .label = "GPV2", | |
2699 | }, | |
2700 | }, { | |
2701 | .chip = { | |
2702 | .base = EXYNOS5_GPV3(0), | |
2703 | .ngpio = EXYNOS5_GPIO_V3_NR, | |
2704 | .label = "GPV3", | |
2705 | }, | |
2706 | }, { | |
2707 | .chip = { | |
2708 | .base = EXYNOS5_GPV4(0), | |
2709 | .ngpio = EXYNOS5_GPIO_V4_NR, | |
2710 | .label = "GPV4", | |
2711 | }, | |
2712 | }, | |
a9696d84 | 2713 | }; |
9a5c7d6e | 2714 | #endif |
a9696d84 | 2715 | |
dcb9c349 | 2716 | #ifdef CONFIG_SOC_EXYNOS5250 |
9a5c7d6e | 2717 | static struct samsung_gpio_chip exynos5_gpios_4[] = { |
a9696d84 SP |
2718 | { |
2719 | .chip = { | |
2720 | .base = EXYNOS5_GPZ(0), | |
2721 | .ngpio = EXYNOS5_GPIO_Z_NR, | |
2722 | .label = "GPZ", | |
2723 | }, | |
2724 | }, | |
a9696d84 | 2725 | }; |
9a5c7d6e | 2726 | #endif |
a9696d84 SP |
2727 | |
2728 | ||
2729 | #if defined(CONFIG_ARCH_EXYNOS) && defined(CONFIG_OF) | |
2730 | static int exynos_gpio_xlate(struct gpio_chip *gc, | |
876cf5e7 | 2731 | const struct of_phandle_args *gpiospec, u32 *flags) |
659d73ad | 2732 | { |
876cf5e7 | 2733 | unsigned int pin; |
659d73ad TA |
2734 | |
2735 | if (WARN_ON(gc->of_gpio_n_cells < 4)) | |
2736 | return -EINVAL; | |
2737 | ||
876cf5e7 | 2738 | if (WARN_ON(gpiospec->args_count < gc->of_gpio_n_cells)) |
659d73ad TA |
2739 | return -EINVAL; |
2740 | ||
876cf5e7 TA |
2741 | if (gpiospec->args[0] > gc->ngpio) |
2742 | return -EINVAL; | |
2743 | ||
2744 | pin = gc->base + gpiospec->args[0]; | |
2745 | ||
2746 | if (s3c_gpio_cfgpin(pin, S3C_GPIO_SFN(gpiospec->args[1]))) | |
659d73ad | 2747 | pr_warn("gpio_xlate: failed to set pin function\n"); |
f447ed8b | 2748 | if (s3c_gpio_setpull(pin, gpiospec->args[2] & 0xffff)) |
659d73ad | 2749 | pr_warn("gpio_xlate: failed to set pin pull up/down\n"); |
876cf5e7 | 2750 | if (s5p_gpio_set_drvstr(pin, gpiospec->args[3])) |
659d73ad TA |
2751 | pr_warn("gpio_xlate: failed to set pin drive strength\n"); |
2752 | ||
f447ed8b OJ |
2753 | if (flags) |
2754 | *flags = gpiospec->args[2] >> 16; | |
2755 | ||
876cf5e7 | 2756 | return gpiospec->args[0]; |
659d73ad TA |
2757 | } |
2758 | ||
a9696d84 | 2759 | static const struct of_device_id exynos_gpio_dt_match[] __initdata = { |
659d73ad TA |
2760 | { .compatible = "samsung,exynos4-gpio", }, |
2761 | {} | |
2762 | }; | |
2763 | ||
a9696d84 SP |
2764 | static __init void exynos_gpiolib_attach_ofnode(struct samsung_gpio_chip *chip, |
2765 | u64 base, u64 offset) | |
659d73ad TA |
2766 | { |
2767 | struct gpio_chip *gc = &chip->chip; | |
2768 | u64 address; | |
2769 | ||
2770 | if (!of_have_populated_dt()) | |
2771 | return; | |
2772 | ||
2773 | address = chip->base ? base + ((u32)chip->base & 0xfff) : base + offset; | |
2774 | gc->of_node = of_find_matching_node_by_address(NULL, | |
a9696d84 | 2775 | exynos_gpio_dt_match, address); |
659d73ad TA |
2776 | if (!gc->of_node) { |
2777 | pr_info("gpio: device tree node not found for gpio controller" | |
2778 | " with base address %08llx\n", address); | |
2779 | return; | |
2780 | } | |
2781 | gc->of_gpio_n_cells = 4; | |
a9696d84 | 2782 | gc->of_xlate = exynos_gpio_xlate; |
659d73ad | 2783 | } |
a9696d84 SP |
2784 | #elif defined(CONFIG_ARCH_EXYNOS) |
2785 | static __init void exynos_gpiolib_attach_ofnode(struct samsung_gpio_chip *chip, | |
2786 | u64 base, u64 offset) | |
659d73ad TA |
2787 | { |
2788 | return; | |
2789 | } | |
a9696d84 | 2790 | #endif /* defined(CONFIG_ARCH_EXYNOS) && defined(CONFIG_OF) */ |
659d73ad | 2791 | |
fd454997 OJ |
2792 | static __init void exynos4_gpiolib_init(void) |
2793 | { | |
2794 | #ifdef CONFIG_CPU_EXYNOS4210 | |
2795 | struct samsung_gpio_chip *chip; | |
2796 | int i, nr_chips; | |
2797 | void __iomem *gpio_base1, *gpio_base2, *gpio_base3; | |
2798 | int group = 0; | |
2799 | void __iomem *gpx_base; | |
2800 | ||
2801 | /* gpio part1 */ | |
2802 | gpio_base1 = ioremap(EXYNOS4_PA_GPIO1, SZ_4K); | |
2803 | if (gpio_base1 == NULL) { | |
2804 | pr_err("unable to ioremap for gpio_base1\n"); | |
2805 | goto err_ioremap1; | |
2806 | } | |
2807 | ||
2808 | chip = exynos4_gpios_1; | |
2809 | nr_chips = ARRAY_SIZE(exynos4_gpios_1); | |
2810 | ||
2811 | for (i = 0; i < nr_chips; i++, chip++) { | |
2812 | if (!chip->config) { | |
2813 | chip->config = &exynos_gpio_cfg; | |
2814 | chip->group = group++; | |
2815 | } | |
2816 | exynos_gpiolib_attach_ofnode(chip, | |
2817 | EXYNOS4_PA_GPIO1, i * 0x20); | |
2818 | } | |
2819 | samsung_gpiolib_add_4bit_chips(exynos4_gpios_1, | |
2820 | nr_chips, gpio_base1); | |
2821 | ||
2822 | /* gpio part2 */ | |
2823 | gpio_base2 = ioremap(EXYNOS4_PA_GPIO2, SZ_4K); | |
2824 | if (gpio_base2 == NULL) { | |
2825 | pr_err("unable to ioremap for gpio_base2\n"); | |
2826 | goto err_ioremap2; | |
2827 | } | |
2828 | ||
2829 | /* need to set base address for gpx */ | |
2830 | chip = &exynos4_gpios_2[16]; | |
2831 | gpx_base = gpio_base2 + 0xC00; | |
2832 | for (i = 0; i < 4; i++, chip++, gpx_base += 0x20) | |
2833 | chip->base = gpx_base; | |
2834 | ||
2835 | chip = exynos4_gpios_2; | |
2836 | nr_chips = ARRAY_SIZE(exynos4_gpios_2); | |
2837 | ||
2838 | for (i = 0; i < nr_chips; i++, chip++) { | |
2839 | if (!chip->config) { | |
2840 | chip->config = &exynos_gpio_cfg; | |
2841 | chip->group = group++; | |
2842 | } | |
2843 | exynos_gpiolib_attach_ofnode(chip, | |
2844 | EXYNOS4_PA_GPIO2, i * 0x20); | |
2845 | } | |
2846 | samsung_gpiolib_add_4bit_chips(exynos4_gpios_2, | |
2847 | nr_chips, gpio_base2); | |
2848 | ||
2849 | /* gpio part3 */ | |
2850 | gpio_base3 = ioremap(EXYNOS4_PA_GPIO3, SZ_256); | |
2851 | if (gpio_base3 == NULL) { | |
2852 | pr_err("unable to ioremap for gpio_base3\n"); | |
2853 | goto err_ioremap3; | |
2854 | } | |
2855 | ||
2856 | chip = exynos4_gpios_3; | |
2857 | nr_chips = ARRAY_SIZE(exynos4_gpios_3); | |
2858 | ||
2859 | for (i = 0; i < nr_chips; i++, chip++) { | |
2860 | if (!chip->config) { | |
2861 | chip->config = &exynos_gpio_cfg; | |
2862 | chip->group = group++; | |
2863 | } | |
2864 | exynos_gpiolib_attach_ofnode(chip, | |
2865 | EXYNOS4_PA_GPIO3, i * 0x20); | |
2866 | } | |
2867 | samsung_gpiolib_add_4bit_chips(exynos4_gpios_3, | |
2868 | nr_chips, gpio_base3); | |
2869 | ||
2870 | #if defined(CONFIG_CPU_EXYNOS4210) && defined(CONFIG_S5P_GPIO_INT) | |
2871 | s5p_register_gpioint_bank(IRQ_GPIO_XA, 0, IRQ_GPIO1_NR_GROUPS); | |
2872 | s5p_register_gpioint_bank(IRQ_GPIO_XB, IRQ_GPIO1_NR_GROUPS, IRQ_GPIO2_NR_GROUPS); | |
2873 | #endif | |
2874 | ||
2875 | return; | |
2876 | ||
2877 | err_ioremap3: | |
2878 | iounmap(gpio_base2); | |
2879 | err_ioremap2: | |
2880 | iounmap(gpio_base1); | |
2881 | err_ioremap1: | |
2882 | return; | |
2883 | #endif /* CONFIG_CPU_EXYNOS4210 */ | |
2884 | } | |
2885 | ||
2886 | static __init void exynos5_gpiolib_init(void) | |
2887 | { | |
2888 | #ifdef CONFIG_SOC_EXYNOS5250 | |
2889 | struct samsung_gpio_chip *chip; | |
2890 | int i, nr_chips; | |
2891 | void __iomem *gpio_base1, *gpio_base2, *gpio_base3, *gpio_base4; | |
2892 | int group = 0; | |
2893 | void __iomem *gpx_base; | |
2894 | ||
2895 | /* gpio part1 */ | |
2896 | gpio_base1 = ioremap(EXYNOS5_PA_GPIO1, SZ_4K); | |
2897 | if (gpio_base1 == NULL) { | |
2898 | pr_err("unable to ioremap for gpio_base1\n"); | |
2899 | goto err_ioremap1; | |
2900 | } | |
2901 | ||
30b84288 | 2902 | /* need to set base address for gpc4 */ |
f7093f3e | 2903 | exynos5_gpios_1[20].base = gpio_base1 + 0x2E0; |
30b84288 | 2904 | |
fd454997 | 2905 | /* need to set base address for gpx */ |
30b84288 | 2906 | chip = &exynos5_gpios_1[21]; |
fd454997 OJ |
2907 | gpx_base = gpio_base1 + 0xC00; |
2908 | for (i = 0; i < 4; i++, chip++, gpx_base += 0x20) | |
2909 | chip->base = gpx_base; | |
2910 | ||
2911 | chip = exynos5_gpios_1; | |
2912 | nr_chips = ARRAY_SIZE(exynos5_gpios_1); | |
2913 | ||
2914 | for (i = 0; i < nr_chips; i++, chip++) { | |
2915 | if (!chip->config) { | |
2916 | chip->config = &exynos_gpio_cfg; | |
2917 | chip->group = group++; | |
2918 | } | |
2919 | exynos_gpiolib_attach_ofnode(chip, | |
2920 | EXYNOS5_PA_GPIO1, i * 0x20); | |
2921 | } | |
2922 | samsung_gpiolib_add_4bit_chips(exynos5_gpios_1, | |
2923 | nr_chips, gpio_base1); | |
2924 | ||
2925 | /* gpio part2 */ | |
2926 | gpio_base2 = ioremap(EXYNOS5_PA_GPIO2, SZ_4K); | |
2927 | if (gpio_base2 == NULL) { | |
2928 | pr_err("unable to ioremap for gpio_base2\n"); | |
2929 | goto err_ioremap2; | |
2930 | } | |
2931 | ||
2932 | chip = exynos5_gpios_2; | |
2933 | nr_chips = ARRAY_SIZE(exynos5_gpios_2); | |
2934 | ||
2935 | for (i = 0; i < nr_chips; i++, chip++) { | |
2936 | if (!chip->config) { | |
2937 | chip->config = &exynos_gpio_cfg; | |
2938 | chip->group = group++; | |
2939 | } | |
2940 | exynos_gpiolib_attach_ofnode(chip, | |
2941 | EXYNOS5_PA_GPIO2, i * 0x20); | |
2942 | } | |
2943 | samsung_gpiolib_add_4bit_chips(exynos5_gpios_2, | |
2944 | nr_chips, gpio_base2); | |
2945 | ||
2946 | /* gpio part3 */ | |
2947 | gpio_base3 = ioremap(EXYNOS5_PA_GPIO3, SZ_4K); | |
2948 | if (gpio_base3 == NULL) { | |
2949 | pr_err("unable to ioremap for gpio_base3\n"); | |
2950 | goto err_ioremap3; | |
2951 | } | |
2952 | ||
2953 | /* need to set base address for gpv */ | |
2954 | exynos5_gpios_3[0].base = gpio_base3; | |
2955 | exynos5_gpios_3[1].base = gpio_base3 + 0x20; | |
2956 | exynos5_gpios_3[2].base = gpio_base3 + 0x60; | |
2957 | exynos5_gpios_3[3].base = gpio_base3 + 0x80; | |
2958 | exynos5_gpios_3[4].base = gpio_base3 + 0xC0; | |
2959 | ||
2960 | chip = exynos5_gpios_3; | |
2961 | nr_chips = ARRAY_SIZE(exynos5_gpios_3); | |
2962 | ||
2963 | for (i = 0; i < nr_chips; i++, chip++) { | |
2964 | if (!chip->config) { | |
2965 | chip->config = &exynos_gpio_cfg; | |
2966 | chip->group = group++; | |
2967 | } | |
2968 | exynos_gpiolib_attach_ofnode(chip, | |
2969 | EXYNOS5_PA_GPIO3, i * 0x20); | |
2970 | } | |
2971 | samsung_gpiolib_add_4bit_chips(exynos5_gpios_3, | |
2972 | nr_chips, gpio_base3); | |
2973 | ||
2974 | /* gpio part4 */ | |
2975 | gpio_base4 = ioremap(EXYNOS5_PA_GPIO4, SZ_4K); | |
2976 | if (gpio_base4 == NULL) { | |
2977 | pr_err("unable to ioremap for gpio_base4\n"); | |
2978 | goto err_ioremap4; | |
2979 | } | |
2980 | ||
2981 | chip = exynos5_gpios_4; | |
2982 | nr_chips = ARRAY_SIZE(exynos5_gpios_4); | |
2983 | ||
2984 | for (i = 0; i < nr_chips; i++, chip++) { | |
2985 | if (!chip->config) { | |
2986 | chip->config = &exynos_gpio_cfg; | |
2987 | chip->group = group++; | |
2988 | } | |
2989 | exynos_gpiolib_attach_ofnode(chip, | |
2990 | EXYNOS5_PA_GPIO4, i * 0x20); | |
2991 | } | |
2992 | samsung_gpiolib_add_4bit_chips(exynos5_gpios_4, | |
2993 | nr_chips, gpio_base4); | |
2994 | return; | |
2995 | ||
2996 | err_ioremap4: | |
2997 | iounmap(gpio_base3); | |
2998 | err_ioremap3: | |
2999 | iounmap(gpio_base2); | |
3000 | err_ioremap2: | |
3001 | iounmap(gpio_base1); | |
3002 | err_ioremap1: | |
3003 | return; | |
3004 | ||
3005 | #endif /* CONFIG_SOC_EXYNOS5250 */ | |
3006 | } | |
3007 | ||
1b39d5f2 KK |
3008 | /* TODO: cleanup soc_is_* */ |
3009 | static __init int samsung_gpiolib_init(void) | |
3010 | { | |
3011 | struct samsung_gpio_chip *chip; | |
3012 | int i, nr_chips; | |
3013 | int group = 0; | |
3014 | ||
e4a5da51 | 3015 | #if defined(CONFIG_PINCTRL_EXYNOS) || defined(CONFIG_PINCTRL_EXYNOS5440) |
ba51bdd3 TF |
3016 | /* |
3017 | * This gpio driver includes support for device tree support and there | |
3018 | * are platforms using it. In order to maintain compatibility with those | |
3019 | * platforms, and to allow non-dt Exynos4210 platforms to use this | |
3020 | * gpiolib support, a check is added to find out if there is a active | |
3021 | * pin-controller driver support available. If it is available, this | |
3022 | * gpiolib support is ignored and the gpiolib support available in | |
3023 | * pin-controller driver is used. This is a temporary check and will go | |
3024 | * away when all of the Exynos4210 platforms have switched to using | |
3025 | * device tree and the pin-ctrl driver. | |
3026 | */ | |
3027 | struct device_node *pctrl_np; | |
3028 | static const struct of_device_id exynos_pinctrl_ids[] = { | |
b533c868 KK |
3029 | { .compatible = "samsung,exynos4210-pinctrl", }, |
3030 | { .compatible = "samsung,exynos4x12-pinctrl", }, | |
70850ad8 | 3031 | { .compatible = "samsung,exynos5250-pinctrl", }, |
f6925432 | 3032 | { .compatible = "samsung,exynos5440-pinctrl", }, |
43158441 | 3033 | { } |
ba51bdd3 TF |
3034 | }; |
3035 | for_each_matching_node(pctrl_np, exynos_pinctrl_ids) | |
3036 | if (pctrl_np && of_device_is_available(pctrl_np)) | |
3037 | return -ENODEV; | |
3038 | #endif | |
3039 | ||
1b39d5f2 KK |
3040 | samsung_gpiolib_set_cfg(samsung_gpio_cfgs, ARRAY_SIZE(samsung_gpio_cfgs)); |
3041 | ||
3042 | if (soc_is_s3c24xx()) { | |
3043 | s3c24xx_gpiolib_add_chips(s3c24xx_gpios, | |
3044 | ARRAY_SIZE(s3c24xx_gpios), S3C24XX_VA_GPIO); | |
3045 | } else if (soc_is_s3c64xx()) { | |
3046 | samsung_gpiolib_add_2bit_chips(s3c64xx_gpios_2bit, | |
3047 | ARRAY_SIZE(s3c64xx_gpios_2bit), | |
3048 | S3C64XX_VA_GPIO + 0xE0, 0x20); | |
3049 | samsung_gpiolib_add_4bit_chips(s3c64xx_gpios_4bit, | |
3050 | ARRAY_SIZE(s3c64xx_gpios_4bit), | |
3051 | S3C64XX_VA_GPIO); | |
3052 | samsung_gpiolib_add_4bit2_chips(s3c64xx_gpios_4bit2, | |
3053 | ARRAY_SIZE(s3c64xx_gpios_4bit2)); | |
3054 | } else if (soc_is_s5p6440()) { | |
3055 | samsung_gpiolib_add_2bit_chips(s5p6440_gpios_2bit, | |
3056 | ARRAY_SIZE(s5p6440_gpios_2bit), NULL, 0x0); | |
3057 | samsung_gpiolib_add_4bit_chips(s5p6440_gpios_4bit, | |
3058 | ARRAY_SIZE(s5p6440_gpios_4bit), S5P_VA_GPIO); | |
3059 | samsung_gpiolib_add_4bit2_chips(s5p6440_gpios_4bit2, | |
3060 | ARRAY_SIZE(s5p6440_gpios_4bit2)); | |
3061 | s5p64x0_gpiolib_add_rbank(s5p6440_gpios_rbank, | |
3062 | ARRAY_SIZE(s5p6440_gpios_rbank)); | |
3063 | } else if (soc_is_s5p6450()) { | |
3064 | samsung_gpiolib_add_2bit_chips(s5p6450_gpios_2bit, | |
3065 | ARRAY_SIZE(s5p6450_gpios_2bit), NULL, 0x0); | |
3066 | samsung_gpiolib_add_4bit_chips(s5p6450_gpios_4bit, | |
3067 | ARRAY_SIZE(s5p6450_gpios_4bit), S5P_VA_GPIO); | |
3068 | samsung_gpiolib_add_4bit2_chips(s5p6450_gpios_4bit2, | |
3069 | ARRAY_SIZE(s5p6450_gpios_4bit2)); | |
3070 | s5p64x0_gpiolib_add_rbank(s5p6450_gpios_rbank, | |
3071 | ARRAY_SIZE(s5p6450_gpios_rbank)); | |
3072 | } else if (soc_is_s5pc100()) { | |
3073 | group = 0; | |
3074 | chip = s5pc100_gpios_4bit; | |
3075 | nr_chips = ARRAY_SIZE(s5pc100_gpios_4bit); | |
3076 | ||
3077 | for (i = 0; i < nr_chips; i++, chip++) { | |
3078 | if (!chip->config) { | |
b391f8cf | 3079 | chip->config = &samsung_gpio_cfgs[3]; |
1b39d5f2 KK |
3080 | chip->group = group++; |
3081 | } | |
3082 | } | |
3083 | samsung_gpiolib_add_4bit_chips(s5pc100_gpios_4bit, nr_chips, S5P_VA_GPIO); | |
3084 | #if defined(CONFIG_CPU_S5PC100) && defined(CONFIG_S5P_GPIO_INT) | |
3085 | s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); | |
3086 | #endif | |
3087 | } else if (soc_is_s5pv210()) { | |
3088 | group = 0; | |
3089 | chip = s5pv210_gpios_4bit; | |
3090 | nr_chips = ARRAY_SIZE(s5pv210_gpios_4bit); | |
3091 | ||
3092 | for (i = 0; i < nr_chips; i++, chip++) { | |
3093 | if (!chip->config) { | |
b391f8cf | 3094 | chip->config = &samsung_gpio_cfgs[3]; |
1b39d5f2 KK |
3095 | chip->group = group++; |
3096 | } | |
3097 | } | |
3098 | samsung_gpiolib_add_4bit_chips(s5pv210_gpios_4bit, nr_chips, S5P_VA_GPIO); | |
3099 | #if defined(CONFIG_CPU_S5PV210) && defined(CONFIG_S5P_GPIO_INT) | |
3100 | s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); | |
3101 | #endif | |
3102 | } else if (soc_is_exynos4210()) { | |
fd454997 | 3103 | exynos4_gpiolib_init(); |
a9696d84 | 3104 | } else if (soc_is_exynos5250()) { |
fd454997 | 3105 | exynos5_gpiolib_init(); |
fbe92fcc MB |
3106 | } else { |
3107 | WARN(1, "Unknown SoC in gpio-samsung, no GPIOs added\n"); | |
3108 | return -ENODEV; | |
1b39d5f2 KK |
3109 | } |
3110 | ||
3111 | return 0; | |
3112 | } | |
3113 | core_initcall(samsung_gpiolib_init); | |
3114 | ||
3115 | int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) | |
3116 | { | |
3117 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
3118 | unsigned long flags; | |
3119 | int offset; | |
3120 | int ret; | |
3121 | ||
3122 | if (!chip) | |
3123 | return -EINVAL; | |
3124 | ||
3125 | offset = pin - chip->chip.base; | |
3126 | ||
3127 | samsung_gpio_lock(chip, flags); | |
3128 | ret = samsung_gpio_do_setcfg(chip, offset, config); | |
3129 | samsung_gpio_unlock(chip, flags); | |
3130 | ||
3131 | return ret; | |
3132 | } | |
3133 | EXPORT_SYMBOL(s3c_gpio_cfgpin); | |
3134 | ||
3135 | int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, | |
3136 | unsigned int cfg) | |
3137 | { | |
3138 | int ret; | |
3139 | ||
3140 | for (; nr > 0; nr--, start++) { | |
3141 | ret = s3c_gpio_cfgpin(start, cfg); | |
3142 | if (ret != 0) | |
3143 | return ret; | |
3144 | } | |
3145 | ||
3146 | return 0; | |
3147 | } | |
3148 | EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range); | |
3149 | ||
3150 | int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, | |
3151 | unsigned int cfg, samsung_gpio_pull_t pull) | |
3152 | { | |
3153 | int ret; | |
3154 | ||
3155 | for (; nr > 0; nr--, start++) { | |
3156 | s3c_gpio_setpull(start, pull); | |
3157 | ret = s3c_gpio_cfgpin(start, cfg); | |
3158 | if (ret != 0) | |
3159 | return ret; | |
3160 | } | |
3161 | ||
3162 | return 0; | |
3163 | } | |
3164 | EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range); | |
3165 | ||
3166 | unsigned s3c_gpio_getcfg(unsigned int pin) | |
3167 | { | |
3168 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
3169 | unsigned long flags; | |
3170 | unsigned ret = 0; | |
3171 | int offset; | |
3172 | ||
3173 | if (chip) { | |
3174 | offset = pin - chip->chip.base; | |
3175 | ||
3176 | samsung_gpio_lock(chip, flags); | |
3177 | ret = samsung_gpio_do_getcfg(chip, offset); | |
3178 | samsung_gpio_unlock(chip, flags); | |
3179 | } | |
3180 | ||
3181 | return ret; | |
3182 | } | |
3183 | EXPORT_SYMBOL(s3c_gpio_getcfg); | |
3184 | ||
3185 | int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull) | |
3186 | { | |
3187 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
3188 | unsigned long flags; | |
3189 | int offset, ret; | |
3190 | ||
3191 | if (!chip) | |
3192 | return -EINVAL; | |
3193 | ||
3194 | offset = pin - chip->chip.base; | |
3195 | ||
3196 | samsung_gpio_lock(chip, flags); | |
3197 | ret = samsung_gpio_do_setpull(chip, offset, pull); | |
3198 | samsung_gpio_unlock(chip, flags); | |
3199 | ||
3200 | return ret; | |
3201 | } | |
3202 | EXPORT_SYMBOL(s3c_gpio_setpull); | |
3203 | ||
3204 | samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin) | |
3205 | { | |
3206 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
3207 | unsigned long flags; | |
3208 | int offset; | |
3209 | u32 pup = 0; | |
3210 | ||
3211 | if (chip) { | |
3212 | offset = pin - chip->chip.base; | |
3213 | ||
3214 | samsung_gpio_lock(chip, flags); | |
3215 | pup = samsung_gpio_do_getpull(chip, offset); | |
3216 | samsung_gpio_unlock(chip, flags); | |
3217 | } | |
3218 | ||
3219 | return (__force samsung_gpio_pull_t)pup; | |
3220 | } | |
3221 | EXPORT_SYMBOL(s3c_gpio_getpull); | |
3222 | ||
1b39d5f2 KK |
3223 | #ifdef CONFIG_S5P_GPIO_DRVSTR |
3224 | s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin) | |
3225 | { | |
3226 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
3227 | unsigned int off; | |
3228 | void __iomem *reg; | |
3229 | int shift; | |
3230 | u32 drvstr; | |
3231 | ||
3232 | if (!chip) | |
3233 | return -EINVAL; | |
3234 | ||
3235 | off = pin - chip->chip.base; | |
3236 | shift = off * 2; | |
3237 | reg = chip->base + 0x0C; | |
3238 | ||
3239 | drvstr = __raw_readl(reg); | |
3240 | drvstr = drvstr >> shift; | |
3241 | drvstr &= 0x3; | |
3242 | ||
3243 | return (__force s5p_gpio_drvstr_t)drvstr; | |
3244 | } | |
3245 | EXPORT_SYMBOL(s5p_gpio_get_drvstr); | |
3246 | ||
3247 | int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr) | |
3248 | { | |
3249 | struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); | |
3250 | unsigned int off; | |
3251 | void __iomem *reg; | |
3252 | int shift; | |
3253 | u32 tmp; | |
3254 | ||
3255 | if (!chip) | |
3256 | return -EINVAL; | |
3257 | ||
3258 | off = pin - chip->chip.base; | |
3259 | shift = off * 2; | |
3260 | reg = chip->base + 0x0C; | |
3261 | ||
3262 | tmp = __raw_readl(reg); | |
3263 | tmp &= ~(0x3 << shift); | |
3264 | tmp |= drvstr << shift; | |
3265 | ||
3266 | __raw_writel(tmp, reg); | |
3267 | ||
3268 | return 0; | |
3269 | } | |
3270 | EXPORT_SYMBOL(s5p_gpio_set_drvstr); | |
3271 | #endif /* CONFIG_S5P_GPIO_DRVSTR */ | |
3272 | ||
3273 | #ifdef CONFIG_PLAT_S3C24XX | |
3274 | unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) | |
3275 | { | |
3276 | unsigned long flags; | |
3277 | unsigned long misccr; | |
3278 | ||
3279 | local_irq_save(flags); | |
3280 | misccr = __raw_readl(S3C24XX_MISCCR); | |
3281 | misccr &= ~clear; | |
3282 | misccr ^= change; | |
3283 | __raw_writel(misccr, S3C24XX_MISCCR); | |
3284 | local_irq_restore(flags); | |
3285 | ||
3286 | return misccr; | |
3287 | } | |
3288 | EXPORT_SYMBOL(s3c2410_modify_misccr); | |
3289 | #endif |