Linux 3.1-rc1
[linux-kbuild.git] / arch / arm / mach-exynos4 / clock.c
blob851dea018578db02d58ee39b0d39b0f09f652fb0
1 /* linux/arch/arm/mach-exynos4/clock.c
3 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
6 * EXYNOS4 - Clock support
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/kernel.h>
14 #include <linux/err.h>
15 #include <linux/io.h>
17 #include <plat/cpu-freq.h>
18 #include <plat/clock.h>
19 #include <plat/cpu.h>
20 #include <plat/pll.h>
21 #include <plat/s5p-clock.h>
22 #include <plat/clock-clksrc.h>
24 #include <mach/map.h>
25 #include <mach/regs-clock.h>
26 #include <mach/sysmmu.h>
28 static struct clk clk_sclk_hdmi27m = {
29 .name = "sclk_hdmi27m",
30 .rate = 27000000,
33 static struct clk clk_sclk_hdmiphy = {
34 .name = "sclk_hdmiphy",
37 static struct clk clk_sclk_usbphy0 = {
38 .name = "sclk_usbphy0",
39 .rate = 27000000,
42 static struct clk clk_sclk_usbphy1 = {
43 .name = "sclk_usbphy1",
46 static int exynos4_clksrc_mask_top_ctrl(struct clk *clk, int enable)
48 return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
51 static int exynos4_clksrc_mask_cam_ctrl(struct clk *clk, int enable)
53 return s5p_gatectrl(S5P_CLKSRC_MASK_CAM, clk, enable);
56 static int exynos4_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable)
58 return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable);
61 static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
63 return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable);
66 static int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
68 return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
71 static int exynos4_clksrc_mask_peril0_ctrl(struct clk *clk, int enable)
73 return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL0, clk, enable);
76 static int exynos4_clksrc_mask_peril1_ctrl(struct clk *clk, int enable)
78 return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL1, clk, enable);
81 static int exynos4_clk_ip_mfc_ctrl(struct clk *clk, int enable)
83 return s5p_gatectrl(S5P_CLKGATE_IP_MFC, clk, enable);
86 static int exynos4_clk_ip_cam_ctrl(struct clk *clk, int enable)
88 return s5p_gatectrl(S5P_CLKGATE_IP_CAM, clk, enable);
91 static int exynos4_clk_ip_tv_ctrl(struct clk *clk, int enable)
93 return s5p_gatectrl(S5P_CLKGATE_IP_TV, clk, enable);
96 static int exynos4_clk_ip_image_ctrl(struct clk *clk, int enable)
98 return s5p_gatectrl(S5P_CLKGATE_IP_IMAGE, clk, enable);
101 static int exynos4_clk_ip_lcd0_ctrl(struct clk *clk, int enable)
103 return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable);
106 static int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
108 return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable);
111 static int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable)
113 return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
116 static int exynos4_clk_ip_peril_ctrl(struct clk *clk, int enable)
118 return s5p_gatectrl(S5P_CLKGATE_IP_PERIL, clk, enable);
121 static int exynos4_clk_ip_perir_ctrl(struct clk *clk, int enable)
123 return s5p_gatectrl(S5P_CLKGATE_IP_PERIR, clk, enable);
126 /* Core list of CMU_CPU side */
128 static struct clksrc_clk clk_mout_apll = {
129 .clk = {
130 .name = "mout_apll",
132 .sources = &clk_src_apll,
133 .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
136 static struct clksrc_clk clk_sclk_apll = {
137 .clk = {
138 .name = "sclk_apll",
139 .parent = &clk_mout_apll.clk,
141 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
144 static struct clksrc_clk clk_mout_epll = {
145 .clk = {
146 .name = "mout_epll",
148 .sources = &clk_src_epll,
149 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 },
152 static struct clksrc_clk clk_mout_mpll = {
153 .clk = {
154 .name = "mout_mpll",
156 .sources = &clk_src_mpll,
157 .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 },
160 static struct clk *clkset_moutcore_list[] = {
161 [0] = &clk_mout_apll.clk,
162 [1] = &clk_mout_mpll.clk,
165 static struct clksrc_sources clkset_moutcore = {
166 .sources = clkset_moutcore_list,
167 .nr_sources = ARRAY_SIZE(clkset_moutcore_list),
170 static struct clksrc_clk clk_moutcore = {
171 .clk = {
172 .name = "moutcore",
174 .sources = &clkset_moutcore,
175 .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 16, .size = 1 },
178 static struct clksrc_clk clk_coreclk = {
179 .clk = {
180 .name = "core_clk",
181 .parent = &clk_moutcore.clk,
183 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 0, .size = 3 },
186 static struct clksrc_clk clk_armclk = {
187 .clk = {
188 .name = "armclk",
189 .parent = &clk_coreclk.clk,
193 static struct clksrc_clk clk_aclk_corem0 = {
194 .clk = {
195 .name = "aclk_corem0",
196 .parent = &clk_coreclk.clk,
198 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
201 static struct clksrc_clk clk_aclk_cores = {
202 .clk = {
203 .name = "aclk_cores",
204 .parent = &clk_coreclk.clk,
206 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
209 static struct clksrc_clk clk_aclk_corem1 = {
210 .clk = {
211 .name = "aclk_corem1",
212 .parent = &clk_coreclk.clk,
214 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 8, .size = 3 },
217 static struct clksrc_clk clk_periphclk = {
218 .clk = {
219 .name = "periphclk",
220 .parent = &clk_coreclk.clk,
222 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 12, .size = 3 },
225 /* Core list of CMU_CORE side */
227 static struct clk *clkset_corebus_list[] = {
228 [0] = &clk_mout_mpll.clk,
229 [1] = &clk_sclk_apll.clk,
232 static struct clksrc_sources clkset_mout_corebus = {
233 .sources = clkset_corebus_list,
234 .nr_sources = ARRAY_SIZE(clkset_corebus_list),
237 static struct clksrc_clk clk_mout_corebus = {
238 .clk = {
239 .name = "mout_corebus",
241 .sources = &clkset_mout_corebus,
242 .reg_src = { .reg = S5P_CLKSRC_DMC, .shift = 4, .size = 1 },
245 static struct clksrc_clk clk_sclk_dmc = {
246 .clk = {
247 .name = "sclk_dmc",
248 .parent = &clk_mout_corebus.clk,
250 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 12, .size = 3 },
253 static struct clksrc_clk clk_aclk_cored = {
254 .clk = {
255 .name = "aclk_cored",
256 .parent = &clk_sclk_dmc.clk,
258 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 16, .size = 3 },
261 static struct clksrc_clk clk_aclk_corep = {
262 .clk = {
263 .name = "aclk_corep",
264 .parent = &clk_aclk_cored.clk,
266 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 20, .size = 3 },
269 static struct clksrc_clk clk_aclk_acp = {
270 .clk = {
271 .name = "aclk_acp",
272 .parent = &clk_mout_corebus.clk,
274 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 0, .size = 3 },
277 static struct clksrc_clk clk_pclk_acp = {
278 .clk = {
279 .name = "pclk_acp",
280 .parent = &clk_aclk_acp.clk,
282 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 4, .size = 3 },
285 /* Core list of CMU_TOP side */
287 static struct clk *clkset_aclk_top_list[] = {
288 [0] = &clk_mout_mpll.clk,
289 [1] = &clk_sclk_apll.clk,
292 static struct clksrc_sources clkset_aclk = {
293 .sources = clkset_aclk_top_list,
294 .nr_sources = ARRAY_SIZE(clkset_aclk_top_list),
297 static struct clksrc_clk clk_aclk_200 = {
298 .clk = {
299 .name = "aclk_200",
301 .sources = &clkset_aclk,
302 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 12, .size = 1 },
303 .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 0, .size = 3 },
306 static struct clksrc_clk clk_aclk_100 = {
307 .clk = {
308 .name = "aclk_100",
310 .sources = &clkset_aclk,
311 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 16, .size = 1 },
312 .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 4, .size = 4 },
315 static struct clksrc_clk clk_aclk_160 = {
316 .clk = {
317 .name = "aclk_160",
319 .sources = &clkset_aclk,
320 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 20, .size = 1 },
321 .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 },
324 static struct clksrc_clk clk_aclk_133 = {
325 .clk = {
326 .name = "aclk_133",
328 .sources = &clkset_aclk,
329 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 24, .size = 1 },
330 .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 12, .size = 3 },
333 static struct clk *clkset_vpllsrc_list[] = {
334 [0] = &clk_fin_vpll,
335 [1] = &clk_sclk_hdmi27m,
338 static struct clksrc_sources clkset_vpllsrc = {
339 .sources = clkset_vpllsrc_list,
340 .nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
343 static struct clksrc_clk clk_vpllsrc = {
344 .clk = {
345 .name = "vpll_src",
346 .enable = exynos4_clksrc_mask_top_ctrl,
347 .ctrlbit = (1 << 0),
349 .sources = &clkset_vpllsrc,
350 .reg_src = { .reg = S5P_CLKSRC_TOP1, .shift = 0, .size = 1 },
353 static struct clk *clkset_sclk_vpll_list[] = {
354 [0] = &clk_vpllsrc.clk,
355 [1] = &clk_fout_vpll,
358 static struct clksrc_sources clkset_sclk_vpll = {
359 .sources = clkset_sclk_vpll_list,
360 .nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
363 static struct clksrc_clk clk_sclk_vpll = {
364 .clk = {
365 .name = "sclk_vpll",
367 .sources = &clkset_sclk_vpll,
368 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 8, .size = 1 },
371 static struct clk init_clocks_off[] = {
373 .name = "timers",
374 .parent = &clk_aclk_100.clk,
375 .enable = exynos4_clk_ip_peril_ctrl,
376 .ctrlbit = (1<<24),
377 }, {
378 .name = "csis",
379 .devname = "s5p-mipi-csis.0",
380 .enable = exynos4_clk_ip_cam_ctrl,
381 .ctrlbit = (1 << 4),
382 }, {
383 .name = "csis",
384 .devname = "s5p-mipi-csis.1",
385 .enable = exynos4_clk_ip_cam_ctrl,
386 .ctrlbit = (1 << 5),
387 }, {
388 .name = "fimc",
389 .devname = "exynos4-fimc.0",
390 .enable = exynos4_clk_ip_cam_ctrl,
391 .ctrlbit = (1 << 0),
392 }, {
393 .name = "fimc",
394 .devname = "exynos4-fimc.1",
395 .enable = exynos4_clk_ip_cam_ctrl,
396 .ctrlbit = (1 << 1),
397 }, {
398 .name = "fimc",
399 .devname = "exynos4-fimc.2",
400 .enable = exynos4_clk_ip_cam_ctrl,
401 .ctrlbit = (1 << 2),
402 }, {
403 .name = "fimc",
404 .devname = "exynos4-fimc.3",
405 .enable = exynos4_clk_ip_cam_ctrl,
406 .ctrlbit = (1 << 3),
407 }, {
408 .name = "fimd",
409 .devname = "exynos4-fb.0",
410 .enable = exynos4_clk_ip_lcd0_ctrl,
411 .ctrlbit = (1 << 0),
412 }, {
413 .name = "fimd",
414 .devname = "exynos4-fb.1",
415 .enable = exynos4_clk_ip_lcd1_ctrl,
416 .ctrlbit = (1 << 0),
417 }, {
418 .name = "sataphy",
419 .parent = &clk_aclk_133.clk,
420 .enable = exynos4_clk_ip_fsys_ctrl,
421 .ctrlbit = (1 << 3),
422 }, {
423 .name = "hsmmc",
424 .devname = "s3c-sdhci.0",
425 .parent = &clk_aclk_133.clk,
426 .enable = exynos4_clk_ip_fsys_ctrl,
427 .ctrlbit = (1 << 5),
428 }, {
429 .name = "hsmmc",
430 .devname = "s3c-sdhci.1",
431 .parent = &clk_aclk_133.clk,
432 .enable = exynos4_clk_ip_fsys_ctrl,
433 .ctrlbit = (1 << 6),
434 }, {
435 .name = "hsmmc",
436 .devname = "s3c-sdhci.2",
437 .parent = &clk_aclk_133.clk,
438 .enable = exynos4_clk_ip_fsys_ctrl,
439 .ctrlbit = (1 << 7),
440 }, {
441 .name = "hsmmc",
442 .devname = "s3c-sdhci.3",
443 .parent = &clk_aclk_133.clk,
444 .enable = exynos4_clk_ip_fsys_ctrl,
445 .ctrlbit = (1 << 8),
446 }, {
447 .name = "dwmmc",
448 .parent = &clk_aclk_133.clk,
449 .enable = exynos4_clk_ip_fsys_ctrl,
450 .ctrlbit = (1 << 9),
451 }, {
452 .name = "sata",
453 .parent = &clk_aclk_133.clk,
454 .enable = exynos4_clk_ip_fsys_ctrl,
455 .ctrlbit = (1 << 10),
456 }, {
457 .name = "pdma",
458 .devname = "s3c-pl330.0",
459 .enable = exynos4_clk_ip_fsys_ctrl,
460 .ctrlbit = (1 << 0),
461 }, {
462 .name = "pdma",
463 .devname = "s3c-pl330.1",
464 .enable = exynos4_clk_ip_fsys_ctrl,
465 .ctrlbit = (1 << 1),
466 }, {
467 .name = "adc",
468 .enable = exynos4_clk_ip_peril_ctrl,
469 .ctrlbit = (1 << 15),
470 }, {
471 .name = "keypad",
472 .enable = exynos4_clk_ip_perir_ctrl,
473 .ctrlbit = (1 << 16),
474 }, {
475 .name = "rtc",
476 .enable = exynos4_clk_ip_perir_ctrl,
477 .ctrlbit = (1 << 15),
478 }, {
479 .name = "watchdog",
480 .parent = &clk_aclk_100.clk,
481 .enable = exynos4_clk_ip_perir_ctrl,
482 .ctrlbit = (1 << 14),
483 }, {
484 .name = "usbhost",
485 .enable = exynos4_clk_ip_fsys_ctrl ,
486 .ctrlbit = (1 << 12),
487 }, {
488 .name = "otg",
489 .enable = exynos4_clk_ip_fsys_ctrl,
490 .ctrlbit = (1 << 13),
491 }, {
492 .name = "spi",
493 .devname = "s3c64xx-spi.0",
494 .enable = exynos4_clk_ip_peril_ctrl,
495 .ctrlbit = (1 << 16),
496 }, {
497 .name = "spi",
498 .devname = "s3c64xx-spi.1",
499 .enable = exynos4_clk_ip_peril_ctrl,
500 .ctrlbit = (1 << 17),
501 }, {
502 .name = "spi",
503 .devname = "s3c64xx-spi.2",
504 .enable = exynos4_clk_ip_peril_ctrl,
505 .ctrlbit = (1 << 18),
506 }, {
507 .name = "iis",
508 .devname = "samsung-i2s.0",
509 .enable = exynos4_clk_ip_peril_ctrl,
510 .ctrlbit = (1 << 19),
511 }, {
512 .name = "iis",
513 .devname = "samsung-i2s.1",
514 .enable = exynos4_clk_ip_peril_ctrl,
515 .ctrlbit = (1 << 20),
516 }, {
517 .name = "iis",
518 .devname = "samsung-i2s.2",
519 .enable = exynos4_clk_ip_peril_ctrl,
520 .ctrlbit = (1 << 21),
521 }, {
522 .name = "ac97",
523 .id = -1,
524 .enable = exynos4_clk_ip_peril_ctrl,
525 .ctrlbit = (1 << 27),
526 }, {
527 .name = "fimg2d",
528 .enable = exynos4_clk_ip_image_ctrl,
529 .ctrlbit = (1 << 0),
530 }, {
531 .name = "mfc",
532 .devname = "s5p-mfc",
533 .enable = exynos4_clk_ip_mfc_ctrl,
534 .ctrlbit = (1 << 0),
535 }, {
536 .name = "i2c",
537 .devname = "s3c2440-i2c.0",
538 .parent = &clk_aclk_100.clk,
539 .enable = exynos4_clk_ip_peril_ctrl,
540 .ctrlbit = (1 << 6),
541 }, {
542 .name = "i2c",
543 .devname = "s3c2440-i2c.1",
544 .parent = &clk_aclk_100.clk,
545 .enable = exynos4_clk_ip_peril_ctrl,
546 .ctrlbit = (1 << 7),
547 }, {
548 .name = "i2c",
549 .devname = "s3c2440-i2c.2",
550 .parent = &clk_aclk_100.clk,
551 .enable = exynos4_clk_ip_peril_ctrl,
552 .ctrlbit = (1 << 8),
553 }, {
554 .name = "i2c",
555 .devname = "s3c2440-i2c.3",
556 .parent = &clk_aclk_100.clk,
557 .enable = exynos4_clk_ip_peril_ctrl,
558 .ctrlbit = (1 << 9),
559 }, {
560 .name = "i2c",
561 .devname = "s3c2440-i2c.4",
562 .parent = &clk_aclk_100.clk,
563 .enable = exynos4_clk_ip_peril_ctrl,
564 .ctrlbit = (1 << 10),
565 }, {
566 .name = "i2c",
567 .devname = "s3c2440-i2c.5",
568 .parent = &clk_aclk_100.clk,
569 .enable = exynos4_clk_ip_peril_ctrl,
570 .ctrlbit = (1 << 11),
571 }, {
572 .name = "i2c",
573 .devname = "s3c2440-i2c.6",
574 .parent = &clk_aclk_100.clk,
575 .enable = exynos4_clk_ip_peril_ctrl,
576 .ctrlbit = (1 << 12),
577 }, {
578 .name = "i2c",
579 .devname = "s3c2440-i2c.7",
580 .parent = &clk_aclk_100.clk,
581 .enable = exynos4_clk_ip_peril_ctrl,
582 .ctrlbit = (1 << 13),
583 }, {
584 .name = "SYSMMU_MDMA",
585 .enable = exynos4_clk_ip_image_ctrl,
586 .ctrlbit = (1 << 5),
587 }, {
588 .name = "SYSMMU_FIMC0",
589 .enable = exynos4_clk_ip_cam_ctrl,
590 .ctrlbit = (1 << 7),
591 }, {
592 .name = "SYSMMU_FIMC1",
593 .enable = exynos4_clk_ip_cam_ctrl,
594 .ctrlbit = (1 << 8),
595 }, {
596 .name = "SYSMMU_FIMC2",
597 .enable = exynos4_clk_ip_cam_ctrl,
598 .ctrlbit = (1 << 9),
599 }, {
600 .name = "SYSMMU_FIMC3",
601 .enable = exynos4_clk_ip_cam_ctrl,
602 .ctrlbit = (1 << 10),
603 }, {
604 .name = "SYSMMU_JPEG",
605 .enable = exynos4_clk_ip_cam_ctrl,
606 .ctrlbit = (1 << 11),
607 }, {
608 .name = "SYSMMU_FIMD0",
609 .enable = exynos4_clk_ip_lcd0_ctrl,
610 .ctrlbit = (1 << 4),
611 }, {
612 .name = "SYSMMU_FIMD1",
613 .enable = exynos4_clk_ip_lcd1_ctrl,
614 .ctrlbit = (1 << 4),
615 }, {
616 .name = "SYSMMU_PCIe",
617 .enable = exynos4_clk_ip_fsys_ctrl,
618 .ctrlbit = (1 << 18),
619 }, {
620 .name = "SYSMMU_G2D",
621 .enable = exynos4_clk_ip_image_ctrl,
622 .ctrlbit = (1 << 3),
623 }, {
624 .name = "SYSMMU_ROTATOR",
625 .enable = exynos4_clk_ip_image_ctrl,
626 .ctrlbit = (1 << 4),
627 }, {
628 .name = "SYSMMU_TV",
629 .enable = exynos4_clk_ip_tv_ctrl,
630 .ctrlbit = (1 << 4),
631 }, {
632 .name = "SYSMMU_MFC_L",
633 .enable = exynos4_clk_ip_mfc_ctrl,
634 .ctrlbit = (1 << 1),
635 }, {
636 .name = "SYSMMU_MFC_R",
637 .enable = exynos4_clk_ip_mfc_ctrl,
638 .ctrlbit = (1 << 2),
642 static struct clk init_clocks[] = {
644 .name = "uart",
645 .devname = "s5pv210-uart.0",
646 .enable = exynos4_clk_ip_peril_ctrl,
647 .ctrlbit = (1 << 0),
648 }, {
649 .name = "uart",
650 .devname = "s5pv210-uart.1",
651 .enable = exynos4_clk_ip_peril_ctrl,
652 .ctrlbit = (1 << 1),
653 }, {
654 .name = "uart",
655 .devname = "s5pv210-uart.2",
656 .enable = exynos4_clk_ip_peril_ctrl,
657 .ctrlbit = (1 << 2),
658 }, {
659 .name = "uart",
660 .devname = "s5pv210-uart.3",
661 .enable = exynos4_clk_ip_peril_ctrl,
662 .ctrlbit = (1 << 3),
663 }, {
664 .name = "uart",
665 .devname = "s5pv210-uart.4",
666 .enable = exynos4_clk_ip_peril_ctrl,
667 .ctrlbit = (1 << 4),
668 }, {
669 .name = "uart",
670 .devname = "s5pv210-uart.5",
671 .enable = exynos4_clk_ip_peril_ctrl,
672 .ctrlbit = (1 << 5),
676 static struct clk *clkset_group_list[] = {
677 [0] = &clk_ext_xtal_mux,
678 [1] = &clk_xusbxti,
679 [2] = &clk_sclk_hdmi27m,
680 [3] = &clk_sclk_usbphy0,
681 [4] = &clk_sclk_usbphy1,
682 [5] = &clk_sclk_hdmiphy,
683 [6] = &clk_mout_mpll.clk,
684 [7] = &clk_mout_epll.clk,
685 [8] = &clk_sclk_vpll.clk,
688 static struct clksrc_sources clkset_group = {
689 .sources = clkset_group_list,
690 .nr_sources = ARRAY_SIZE(clkset_group_list),
693 static struct clk *clkset_mout_g2d0_list[] = {
694 [0] = &clk_mout_mpll.clk,
695 [1] = &clk_sclk_apll.clk,
698 static struct clksrc_sources clkset_mout_g2d0 = {
699 .sources = clkset_mout_g2d0_list,
700 .nr_sources = ARRAY_SIZE(clkset_mout_g2d0_list),
703 static struct clksrc_clk clk_mout_g2d0 = {
704 .clk = {
705 .name = "mout_g2d0",
707 .sources = &clkset_mout_g2d0,
708 .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 0, .size = 1 },
711 static struct clk *clkset_mout_g2d1_list[] = {
712 [0] = &clk_mout_epll.clk,
713 [1] = &clk_sclk_vpll.clk,
716 static struct clksrc_sources clkset_mout_g2d1 = {
717 .sources = clkset_mout_g2d1_list,
718 .nr_sources = ARRAY_SIZE(clkset_mout_g2d1_list),
721 static struct clksrc_clk clk_mout_g2d1 = {
722 .clk = {
723 .name = "mout_g2d1",
725 .sources = &clkset_mout_g2d1,
726 .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 4, .size = 1 },
729 static struct clk *clkset_mout_g2d_list[] = {
730 [0] = &clk_mout_g2d0.clk,
731 [1] = &clk_mout_g2d1.clk,
734 static struct clksrc_sources clkset_mout_g2d = {
735 .sources = clkset_mout_g2d_list,
736 .nr_sources = ARRAY_SIZE(clkset_mout_g2d_list),
739 static struct clk *clkset_mout_mfc0_list[] = {
740 [0] = &clk_mout_mpll.clk,
741 [1] = &clk_sclk_apll.clk,
744 static struct clksrc_sources clkset_mout_mfc0 = {
745 .sources = clkset_mout_mfc0_list,
746 .nr_sources = ARRAY_SIZE(clkset_mout_mfc0_list),
749 static struct clksrc_clk clk_mout_mfc0 = {
750 .clk = {
751 .name = "mout_mfc0",
753 .sources = &clkset_mout_mfc0,
754 .reg_src = { .reg = S5P_CLKSRC_MFC, .shift = 0, .size = 1 },
757 static struct clk *clkset_mout_mfc1_list[] = {
758 [0] = &clk_mout_epll.clk,
759 [1] = &clk_sclk_vpll.clk,
762 static struct clksrc_sources clkset_mout_mfc1 = {
763 .sources = clkset_mout_mfc1_list,
764 .nr_sources = ARRAY_SIZE(clkset_mout_mfc1_list),
767 static struct clksrc_clk clk_mout_mfc1 = {
768 .clk = {
769 .name = "mout_mfc1",
771 .sources = &clkset_mout_mfc1,
772 .reg_src = { .reg = S5P_CLKSRC_MFC, .shift = 4, .size = 1 },
775 static struct clk *clkset_mout_mfc_list[] = {
776 [0] = &clk_mout_mfc0.clk,
777 [1] = &clk_mout_mfc1.clk,
780 static struct clksrc_sources clkset_mout_mfc = {
781 .sources = clkset_mout_mfc_list,
782 .nr_sources = ARRAY_SIZE(clkset_mout_mfc_list),
785 static struct clksrc_clk clk_dout_mmc0 = {
786 .clk = {
787 .name = "dout_mmc0",
789 .sources = &clkset_group,
790 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 0, .size = 4 },
791 .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 0, .size = 4 },
794 static struct clksrc_clk clk_dout_mmc1 = {
795 .clk = {
796 .name = "dout_mmc1",
798 .sources = &clkset_group,
799 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 4, .size = 4 },
800 .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 16, .size = 4 },
803 static struct clksrc_clk clk_dout_mmc2 = {
804 .clk = {
805 .name = "dout_mmc2",
807 .sources = &clkset_group,
808 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 8, .size = 4 },
809 .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 0, .size = 4 },
812 static struct clksrc_clk clk_dout_mmc3 = {
813 .clk = {
814 .name = "dout_mmc3",
816 .sources = &clkset_group,
817 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 12, .size = 4 },
818 .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 16, .size = 4 },
821 static struct clksrc_clk clk_dout_mmc4 = {
822 .clk = {
823 .name = "dout_mmc4",
825 .sources = &clkset_group,
826 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 16, .size = 4 },
827 .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 0, .size = 4 },
830 static struct clksrc_clk clksrcs[] = {
832 .clk = {
833 .name = "uclk1",
834 .devname = "s5pv210-uart.0",
835 .enable = exynos4_clksrc_mask_peril0_ctrl,
836 .ctrlbit = (1 << 0),
838 .sources = &clkset_group,
839 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 0, .size = 4 },
840 .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 0, .size = 4 },
841 }, {
842 .clk = {
843 .name = "uclk1",
844 .devname = "s5pv210-uart.1",
845 .enable = exynos4_clksrc_mask_peril0_ctrl,
846 .ctrlbit = (1 << 4),
848 .sources = &clkset_group,
849 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 4, .size = 4 },
850 .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 4, .size = 4 },
851 }, {
852 .clk = {
853 .name = "uclk1",
854 .devname = "s5pv210-uart.2",
855 .enable = exynos4_clksrc_mask_peril0_ctrl,
856 .ctrlbit = (1 << 8),
858 .sources = &clkset_group,
859 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 8, .size = 4 },
860 .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 8, .size = 4 },
861 }, {
862 .clk = {
863 .name = "uclk1",
864 .devname = "s5pv210-uart.3",
865 .enable = exynos4_clksrc_mask_peril0_ctrl,
866 .ctrlbit = (1 << 12),
868 .sources = &clkset_group,
869 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 12, .size = 4 },
870 .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 12, .size = 4 },
871 }, {
872 .clk = {
873 .name = "sclk_pwm",
874 .enable = exynos4_clksrc_mask_peril0_ctrl,
875 .ctrlbit = (1 << 24),
877 .sources = &clkset_group,
878 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 24, .size = 4 },
879 .reg_div = { .reg = S5P_CLKDIV_PERIL3, .shift = 0, .size = 4 },
880 }, {
881 .clk = {
882 .name = "sclk_csis",
883 .devname = "s5p-mipi-csis.0",
884 .enable = exynos4_clksrc_mask_cam_ctrl,
885 .ctrlbit = (1 << 24),
887 .sources = &clkset_group,
888 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 24, .size = 4 },
889 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 24, .size = 4 },
890 }, {
891 .clk = {
892 .name = "sclk_csis",
893 .devname = "s5p-mipi-csis.1",
894 .enable = exynos4_clksrc_mask_cam_ctrl,
895 .ctrlbit = (1 << 28),
897 .sources = &clkset_group,
898 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 28, .size = 4 },
899 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
900 }, {
901 .clk = {
902 .name = "sclk_cam",
903 .devname = "exynos4-fimc.0",
904 .enable = exynos4_clksrc_mask_cam_ctrl,
905 .ctrlbit = (1 << 16),
907 .sources = &clkset_group,
908 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 16, .size = 4 },
909 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
910 }, {
911 .clk = {
912 .name = "sclk_cam",
913 .devname = "exynos4-fimc.1",
914 .enable = exynos4_clksrc_mask_cam_ctrl,
915 .ctrlbit = (1 << 20),
917 .sources = &clkset_group,
918 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 20, .size = 4 },
919 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 20, .size = 4 },
920 }, {
921 .clk = {
922 .name = "sclk_fimc",
923 .devname = "exynos4-fimc.0",
924 .enable = exynos4_clksrc_mask_cam_ctrl,
925 .ctrlbit = (1 << 0),
927 .sources = &clkset_group,
928 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 0, .size = 4 },
929 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 0, .size = 4 },
930 }, {
931 .clk = {
932 .name = "sclk_fimc",
933 .devname = "exynos4-fimc.1",
934 .enable = exynos4_clksrc_mask_cam_ctrl,
935 .ctrlbit = (1 << 4),
937 .sources = &clkset_group,
938 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 4, .size = 4 },
939 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 4, .size = 4 },
940 }, {
941 .clk = {
942 .name = "sclk_fimc",
943 .devname = "exynos4-fimc.2",
944 .enable = exynos4_clksrc_mask_cam_ctrl,
945 .ctrlbit = (1 << 8),
947 .sources = &clkset_group,
948 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 8, .size = 4 },
949 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 8, .size = 4 },
950 }, {
951 .clk = {
952 .name = "sclk_fimc",
953 .devname = "exynos4-fimc.3",
954 .enable = exynos4_clksrc_mask_cam_ctrl,
955 .ctrlbit = (1 << 12),
957 .sources = &clkset_group,
958 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 12, .size = 4 },
959 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 12, .size = 4 },
960 }, {
961 .clk = {
962 .name = "sclk_fimd",
963 .devname = "exynos4-fb.0",
964 .enable = exynos4_clksrc_mask_lcd0_ctrl,
965 .ctrlbit = (1 << 0),
967 .sources = &clkset_group,
968 .reg_src = { .reg = S5P_CLKSRC_LCD0, .shift = 0, .size = 4 },
969 .reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 },
970 }, {
971 .clk = {
972 .name = "sclk_fimd",
973 .devname = "exynos4-fb.1",
974 .enable = exynos4_clksrc_mask_lcd1_ctrl,
975 .ctrlbit = (1 << 0),
977 .sources = &clkset_group,
978 .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 },
979 .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 },
980 }, {
981 .clk = {
982 .name = "sclk_sata",
983 .enable = exynos4_clksrc_mask_fsys_ctrl,
984 .ctrlbit = (1 << 24),
986 .sources = &clkset_mout_corebus,
987 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 },
988 .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 },
989 }, {
990 .clk = {
991 .name = "sclk_spi",
992 .devname = "s3c64xx-spi.0",
993 .enable = exynos4_clksrc_mask_peril1_ctrl,
994 .ctrlbit = (1 << 16),
996 .sources = &clkset_group,
997 .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 },
998 .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 },
999 }, {
1000 .clk = {
1001 .name = "sclk_spi",
1002 .devname = "s3c64xx-spi.1",
1003 .enable = exynos4_clksrc_mask_peril1_ctrl,
1004 .ctrlbit = (1 << 20),
1006 .sources = &clkset_group,
1007 .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 },
1008 .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 },
1009 }, {
1010 .clk = {
1011 .name = "sclk_spi",
1012 .devname = "s3c64xx-spi.2",
1013 .enable = exynos4_clksrc_mask_peril1_ctrl,
1014 .ctrlbit = (1 << 24),
1016 .sources = &clkset_group,
1017 .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 },
1018 .reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 },
1019 }, {
1020 .clk = {
1021 .name = "sclk_fimg2d",
1023 .sources = &clkset_mout_g2d,
1024 .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 8, .size = 1 },
1025 .reg_div = { .reg = S5P_CLKDIV_IMAGE, .shift = 0, .size = 4 },
1026 }, {
1027 .clk = {
1028 .name = "sclk_mfc",
1029 .devname = "s5p-mfc",
1031 .sources = &clkset_mout_mfc,
1032 .reg_src = { .reg = S5P_CLKSRC_MFC, .shift = 8, .size = 1 },
1033 .reg_div = { .reg = S5P_CLKDIV_MFC, .shift = 0, .size = 4 },
1034 }, {
1035 .clk = {
1036 .name = "sclk_mmc",
1037 .devname = "s3c-sdhci.0",
1038 .parent = &clk_dout_mmc0.clk,
1039 .enable = exynos4_clksrc_mask_fsys_ctrl,
1040 .ctrlbit = (1 << 0),
1042 .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 },
1043 }, {
1044 .clk = {
1045 .name = "sclk_mmc",
1046 .devname = "s3c-sdhci.1",
1047 .parent = &clk_dout_mmc1.clk,
1048 .enable = exynos4_clksrc_mask_fsys_ctrl,
1049 .ctrlbit = (1 << 4),
1051 .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 },
1052 }, {
1053 .clk = {
1054 .name = "sclk_mmc",
1055 .devname = "s3c-sdhci.2",
1056 .parent = &clk_dout_mmc2.clk,
1057 .enable = exynos4_clksrc_mask_fsys_ctrl,
1058 .ctrlbit = (1 << 8),
1060 .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 },
1061 }, {
1062 .clk = {
1063 .name = "sclk_mmc",
1064 .devname = "s3c-sdhci.3",
1065 .parent = &clk_dout_mmc3.clk,
1066 .enable = exynos4_clksrc_mask_fsys_ctrl,
1067 .ctrlbit = (1 << 12),
1069 .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 },
1070 }, {
1071 .clk = {
1072 .name = "sclk_dwmmc",
1073 .parent = &clk_dout_mmc4.clk,
1074 .enable = exynos4_clksrc_mask_fsys_ctrl,
1075 .ctrlbit = (1 << 16),
1077 .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 8, .size = 8 },
1081 /* Clock initialization code */
1082 static struct clksrc_clk *sysclks[] = {
1083 &clk_mout_apll,
1084 &clk_sclk_apll,
1085 &clk_mout_epll,
1086 &clk_mout_mpll,
1087 &clk_moutcore,
1088 &clk_coreclk,
1089 &clk_armclk,
1090 &clk_aclk_corem0,
1091 &clk_aclk_cores,
1092 &clk_aclk_corem1,
1093 &clk_periphclk,
1094 &clk_mout_corebus,
1095 &clk_sclk_dmc,
1096 &clk_aclk_cored,
1097 &clk_aclk_corep,
1098 &clk_aclk_acp,
1099 &clk_pclk_acp,
1100 &clk_vpllsrc,
1101 &clk_sclk_vpll,
1102 &clk_aclk_200,
1103 &clk_aclk_100,
1104 &clk_aclk_160,
1105 &clk_aclk_133,
1106 &clk_dout_mmc0,
1107 &clk_dout_mmc1,
1108 &clk_dout_mmc2,
1109 &clk_dout_mmc3,
1110 &clk_dout_mmc4,
1111 &clk_mout_mfc0,
1112 &clk_mout_mfc1,
1115 static int xtal_rate;
1117 static unsigned long exynos4_fout_apll_get_rate(struct clk *clk)
1119 return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508);
1122 static struct clk_ops exynos4_fout_apll_ops = {
1123 .get_rate = exynos4_fout_apll_get_rate,
1126 void __init_or_cpufreq exynos4_setup_clocks(void)
1128 struct clk *xtal_clk;
1129 unsigned long apll;
1130 unsigned long mpll;
1131 unsigned long epll;
1132 unsigned long vpll;
1133 unsigned long vpllsrc;
1134 unsigned long xtal;
1135 unsigned long armclk;
1136 unsigned long sclk_dmc;
1137 unsigned long aclk_200;
1138 unsigned long aclk_100;
1139 unsigned long aclk_160;
1140 unsigned long aclk_133;
1141 unsigned int ptr;
1143 printk(KERN_DEBUG "%s: registering clocks\n", __func__);
1145 xtal_clk = clk_get(NULL, "xtal");
1146 BUG_ON(IS_ERR(xtal_clk));
1148 xtal = clk_get_rate(xtal_clk);
1150 xtal_rate = xtal;
1152 clk_put(xtal_clk);
1154 printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
1156 apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508);
1157 mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508);
1158 epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
1159 __raw_readl(S5P_EPLL_CON1), pll_4600);
1161 vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
1162 vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
1163 __raw_readl(S5P_VPLL_CON1), pll_4650);
1165 clk_fout_apll.ops = &exynos4_fout_apll_ops;
1166 clk_fout_mpll.rate = mpll;
1167 clk_fout_epll.rate = epll;
1168 clk_fout_vpll.rate = vpll;
1170 printk(KERN_INFO "EXYNOS4: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
1171 apll, mpll, epll, vpll);
1173 armclk = clk_get_rate(&clk_armclk.clk);
1174 sclk_dmc = clk_get_rate(&clk_sclk_dmc.clk);
1176 aclk_200 = clk_get_rate(&clk_aclk_200.clk);
1177 aclk_100 = clk_get_rate(&clk_aclk_100.clk);
1178 aclk_160 = clk_get_rate(&clk_aclk_160.clk);
1179 aclk_133 = clk_get_rate(&clk_aclk_133.clk);
1181 printk(KERN_INFO "EXYNOS4: ARMCLK=%ld, DMC=%ld, ACLK200=%ld\n"
1182 "ACLK100=%ld, ACLK160=%ld, ACLK133=%ld\n",
1183 armclk, sclk_dmc, aclk_200,
1184 aclk_100, aclk_160, aclk_133);
1186 clk_f.rate = armclk;
1187 clk_h.rate = sclk_dmc;
1188 clk_p.rate = aclk_100;
1190 for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
1191 s3c_set_clksrc(&clksrcs[ptr], true);
1194 static struct clk *clks[] __initdata = {
1195 /* Nothing here yet */
1198 void __init exynos4_register_clocks(void)
1200 int ptr;
1202 s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
1204 for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
1205 s3c_register_clksrc(sysclks[ptr], 1);
1207 s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
1208 s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
1210 s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1211 s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1213 s3c_pwmclk_init();