mm: move shmem prototypes to shmem_fs.h
[linux/fpc-iii.git] / arch / arm / mach-s5pc100 / clock.c
blob0305e9b8282d2c838c461d9dd7b1ffde2844f2ea
1 /* linux/arch/arm/mach-s5pc100/clock.c
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
6 * S5PC100 - 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/init.h>
14 #include <linux/module.h>
15 #include <linux/kernel.h>
16 #include <linux/list.h>
17 #include <linux/err.h>
18 #include <linux/clk.h>
19 #include <linux/io.h>
21 #include <mach/map.h>
23 #include <plat/cpu-freq.h>
24 #include <mach/regs-clock.h>
25 #include <plat/clock.h>
26 #include <plat/cpu.h>
27 #include <plat/pll.h>
28 #include <plat/s5p-clock.h>
29 #include <plat/clock-clksrc.h>
30 #include <plat/s5pc100.h>
32 static struct clk s5p_clk_otgphy = {
33 .name = "otg_phy",
34 .id = -1,
37 static struct clk *clk_src_mout_href_list[] = {
38 [0] = &s5p_clk_27m,
39 [1] = &clk_fin_hpll,
42 static struct clksrc_sources clk_src_mout_href = {
43 .sources = clk_src_mout_href_list,
44 .nr_sources = ARRAY_SIZE(clk_src_mout_href_list),
47 static struct clksrc_clk clk_mout_href = {
48 .clk = {
49 .name = "mout_href",
50 .id = -1,
52 .sources = &clk_src_mout_href,
53 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 },
56 static struct clk *clk_src_mout_48m_list[] = {
57 [0] = &clk_xusbxti,
58 [1] = &s5p_clk_otgphy,
61 static struct clksrc_sources clk_src_mout_48m = {
62 .sources = clk_src_mout_48m_list,
63 .nr_sources = ARRAY_SIZE(clk_src_mout_48m_list),
66 static struct clksrc_clk clk_mout_48m = {
67 .clk = {
68 .name = "mout_48m",
69 .id = -1,
71 .sources = &clk_src_mout_48m,
72 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 24, .size = 1 },
75 static struct clksrc_clk clk_mout_mpll = {
76 .clk = {
77 .name = "mout_mpll",
78 .id = -1,
80 .sources = &clk_src_mpll,
81 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 },
85 static struct clksrc_clk clk_mout_apll = {
86 .clk = {
87 .name = "mout_apll",
88 .id = -1,
90 .sources = &clk_src_apll,
91 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
94 static struct clksrc_clk clk_mout_epll = {
95 .clk = {
96 .name = "mout_epll",
97 .id = -1,
99 .sources = &clk_src_epll,
100 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 },
103 static struct clk *clk_src_mout_hpll_list[] = {
104 [0] = &s5p_clk_27m,
107 static struct clksrc_sources clk_src_mout_hpll = {
108 .sources = clk_src_mout_hpll_list,
109 .nr_sources = ARRAY_SIZE(clk_src_mout_hpll_list),
112 static struct clksrc_clk clk_mout_hpll = {
113 .clk = {
114 .name = "mout_hpll",
115 .id = -1,
117 .sources = &clk_src_mout_hpll,
118 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 },
121 static struct clksrc_clk clk_div_apll = {
122 .clk = {
123 .name = "div_apll",
124 .id = -1,
125 .parent = &clk_mout_apll.clk,
127 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 1 },
130 static struct clksrc_clk clk_div_arm = {
131 .clk = {
132 .name = "div_arm",
133 .id = -1,
134 .parent = &clk_div_apll.clk,
136 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 },
139 static struct clksrc_clk clk_div_d0_bus = {
140 .clk = {
141 .name = "div_d0_bus",
142 .id = -1,
143 .parent = &clk_div_arm.clk,
145 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 },
148 static struct clksrc_clk clk_div_pclkd0 = {
149 .clk = {
150 .name = "div_pclkd0",
151 .id = -1,
152 .parent = &clk_div_d0_bus.clk,
154 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 },
157 static struct clksrc_clk clk_div_secss = {
158 .clk = {
159 .name = "div_secss",
160 .id = -1,
161 .parent = &clk_div_d0_bus.clk,
163 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 3 },
166 static struct clksrc_clk clk_div_apll2 = {
167 .clk = {
168 .name = "div_apll2",
169 .id = -1,
170 .parent = &clk_mout_apll.clk,
172 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 3 },
175 static struct clk *clk_src_mout_am_list[] = {
176 [0] = &clk_mout_mpll.clk,
177 [1] = &clk_div_apll2.clk,
180 struct clksrc_sources clk_src_mout_am = {
181 .sources = clk_src_mout_am_list,
182 .nr_sources = ARRAY_SIZE(clk_src_mout_am_list),
185 static struct clksrc_clk clk_mout_am = {
186 .clk = {
187 .name = "mout_am",
188 .id = -1,
190 .sources = &clk_src_mout_am,
191 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 1 },
194 static struct clksrc_clk clk_div_d1_bus = {
195 .clk = {
196 .name = "div_d1_bus",
197 .id = -1,
198 .parent = &clk_mout_am.clk,
200 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 3 },
203 static struct clksrc_clk clk_div_mpll2 = {
204 .clk = {
205 .name = "div_mpll2",
206 .id = -1,
207 .parent = &clk_mout_am.clk,
209 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 8, .size = 1 },
212 static struct clksrc_clk clk_div_mpll = {
213 .clk = {
214 .name = "div_mpll",
215 .id = -1,
216 .parent = &clk_mout_am.clk,
218 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 4, .size = 2 },
221 static struct clk *clk_src_mout_onenand_list[] = {
222 [0] = &clk_div_d0_bus.clk,
223 [1] = &clk_div_d1_bus.clk,
226 struct clksrc_sources clk_src_mout_onenand = {
227 .sources = clk_src_mout_onenand_list,
228 .nr_sources = ARRAY_SIZE(clk_src_mout_onenand_list),
231 static struct clksrc_clk clk_mout_onenand = {
232 .clk = {
233 .name = "mout_onenand",
234 .id = -1,
236 .sources = &clk_src_mout_onenand,
237 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 24, .size = 1 },
240 static struct clksrc_clk clk_div_onenand = {
241 .clk = {
242 .name = "div_onenand",
243 .id = -1,
244 .parent = &clk_mout_onenand.clk,
246 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 20, .size = 2 },
249 static struct clksrc_clk clk_div_pclkd1 = {
250 .clk = {
251 .name = "div_pclkd1",
252 .id = -1,
253 .parent = &clk_div_d1_bus.clk,
255 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 16, .size = 3 },
258 static struct clksrc_clk clk_div_cam = {
259 .clk = {
260 .name = "div_cam",
261 .id = -1,
262 .parent = &clk_div_mpll2.clk,
264 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 24, .size = 5 },
267 static struct clksrc_clk clk_div_hdmi = {
268 .clk = {
269 .name = "div_hdmi",
270 .id = -1,
271 .parent = &clk_mout_hpll.clk,
273 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 28, .size = 4 },
276 static u32 epll_div[][4] = {
277 { 32750000, 131, 3, 4 },
278 { 32768000, 131, 3, 4 },
279 { 36000000, 72, 3, 3 },
280 { 45000000, 90, 3, 3 },
281 { 45158000, 90, 3, 3 },
282 { 45158400, 90, 3, 3 },
283 { 48000000, 96, 3, 3 },
284 { 49125000, 131, 4, 3 },
285 { 49152000, 131, 4, 3 },
286 { 60000000, 120, 3, 3 },
287 { 67737600, 226, 5, 3 },
288 { 67738000, 226, 5, 3 },
289 { 73800000, 246, 5, 3 },
290 { 73728000, 246, 5, 3 },
291 { 72000000, 144, 3, 3 },
292 { 84000000, 168, 3, 3 },
293 { 96000000, 96, 3, 2 },
294 { 144000000, 144, 3, 2 },
295 { 192000000, 96, 3, 1 }
298 static int s5pc100_epll_set_rate(struct clk *clk, unsigned long rate)
300 unsigned int epll_con;
301 unsigned int i;
303 if (clk->rate == rate) /* Return if nothing changed */
304 return 0;
306 epll_con = __raw_readl(S5P_EPLL_CON);
308 epll_con &= ~(PLL65XX_MDIV_MASK | PLL65XX_PDIV_MASK | PLL65XX_SDIV_MASK);
310 for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
311 if (epll_div[i][0] == rate) {
312 epll_con |= (epll_div[i][1] << PLL65XX_MDIV_SHIFT) |
313 (epll_div[i][2] << PLL65XX_PDIV_SHIFT) |
314 (epll_div[i][3] << PLL65XX_SDIV_SHIFT);
315 break;
319 if (i == ARRAY_SIZE(epll_div)) {
320 printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n", __func__);
321 return -EINVAL;
324 __raw_writel(epll_con, S5P_EPLL_CON);
326 printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
327 clk->rate, rate);
329 clk->rate = rate;
331 return 0;
334 static struct clk_ops s5pc100_epll_ops = {
335 .get_rate = s5p_epll_get_rate,
336 .set_rate = s5pc100_epll_set_rate,
339 static int s5pc100_d0_0_ctrl(struct clk *clk, int enable)
341 return s5p_gatectrl(S5P_CLKGATE_D00, clk, enable);
344 static int s5pc100_d0_1_ctrl(struct clk *clk, int enable)
346 return s5p_gatectrl(S5P_CLKGATE_D01, clk, enable);
349 static int s5pc100_d0_2_ctrl(struct clk *clk, int enable)
351 return s5p_gatectrl(S5P_CLKGATE_D02, clk, enable);
354 static int s5pc100_d1_0_ctrl(struct clk *clk, int enable)
356 return s5p_gatectrl(S5P_CLKGATE_D10, clk, enable);
359 static int s5pc100_d1_1_ctrl(struct clk *clk, int enable)
361 return s5p_gatectrl(S5P_CLKGATE_D11, clk, enable);
364 static int s5pc100_d1_2_ctrl(struct clk *clk, int enable)
366 return s5p_gatectrl(S5P_CLKGATE_D12, clk, enable);
369 static int s5pc100_d1_3_ctrl(struct clk *clk, int enable)
371 return s5p_gatectrl(S5P_CLKGATE_D13, clk, enable);
374 static int s5pc100_d1_4_ctrl(struct clk *clk, int enable)
376 return s5p_gatectrl(S5P_CLKGATE_D14, clk, enable);
379 static int s5pc100_d1_5_ctrl(struct clk *clk, int enable)
381 return s5p_gatectrl(S5P_CLKGATE_D15, clk, enable);
384 static int s5pc100_sclk0_ctrl(struct clk *clk, int enable)
386 return s5p_gatectrl(S5P_CLKGATE_SCLK0, clk, enable);
389 static int s5pc100_sclk1_ctrl(struct clk *clk, int enable)
391 return s5p_gatectrl(S5P_CLKGATE_SCLK1, clk, enable);
395 * The following clocks will be disabled during clock initialization. It is
396 * recommended to keep the following clocks disabled until the driver requests
397 * for enabling the clock.
399 static struct clk init_clocks_off[] = {
401 .name = "cssys",
402 .id = -1,
403 .parent = &clk_div_d0_bus.clk,
404 .enable = s5pc100_d0_0_ctrl,
405 .ctrlbit = (1 << 6),
406 }, {
407 .name = "secss",
408 .id = -1,
409 .parent = &clk_div_d0_bus.clk,
410 .enable = s5pc100_d0_0_ctrl,
411 .ctrlbit = (1 << 5),
412 }, {
413 .name = "g2d",
414 .id = -1,
415 .parent = &clk_div_d0_bus.clk,
416 .enable = s5pc100_d0_0_ctrl,
417 .ctrlbit = (1 << 4),
418 }, {
419 .name = "mdma",
420 .id = -1,
421 .parent = &clk_div_d0_bus.clk,
422 .enable = s5pc100_d0_0_ctrl,
423 .ctrlbit = (1 << 3),
424 }, {
425 .name = "cfcon",
426 .id = -1,
427 .parent = &clk_div_d0_bus.clk,
428 .enable = s5pc100_d0_0_ctrl,
429 .ctrlbit = (1 << 2),
430 }, {
431 .name = "nfcon",
432 .id = -1,
433 .parent = &clk_div_d0_bus.clk,
434 .enable = s5pc100_d0_1_ctrl,
435 .ctrlbit = (1 << 3),
436 }, {
437 .name = "onenandc",
438 .id = -1,
439 .parent = &clk_div_d0_bus.clk,
440 .enable = s5pc100_d0_1_ctrl,
441 .ctrlbit = (1 << 2),
442 }, {
443 .name = "sdm",
444 .id = -1,
445 .parent = &clk_div_d0_bus.clk,
446 .enable = s5pc100_d0_2_ctrl,
447 .ctrlbit = (1 << 2),
448 }, {
449 .name = "seckey",
450 .id = -1,
451 .parent = &clk_div_d0_bus.clk,
452 .enable = s5pc100_d0_2_ctrl,
453 .ctrlbit = (1 << 1),
454 }, {
455 .name = "hsmmc",
456 .id = 2,
457 .parent = &clk_div_d1_bus.clk,
458 .enable = s5pc100_d1_0_ctrl,
459 .ctrlbit = (1 << 7),
460 }, {
461 .name = "hsmmc",
462 .id = 1,
463 .parent = &clk_div_d1_bus.clk,
464 .enable = s5pc100_d1_0_ctrl,
465 .ctrlbit = (1 << 6),
466 }, {
467 .name = "hsmmc",
468 .id = 0,
469 .parent = &clk_div_d1_bus.clk,
470 .enable = s5pc100_d1_0_ctrl,
471 .ctrlbit = (1 << 5),
472 }, {
473 .name = "modemif",
474 .id = -1,
475 .parent = &clk_div_d1_bus.clk,
476 .enable = s5pc100_d1_0_ctrl,
477 .ctrlbit = (1 << 4),
478 }, {
479 .name = "otg",
480 .id = -1,
481 .parent = &clk_div_d1_bus.clk,
482 .enable = s5pc100_d1_0_ctrl,
483 .ctrlbit = (1 << 3),
484 }, {
485 .name = "usbhost",
486 .id = -1,
487 .parent = &clk_div_d1_bus.clk,
488 .enable = s5pc100_d1_0_ctrl,
489 .ctrlbit = (1 << 2),
490 }, {
491 .name = "pdma",
492 .id = 1,
493 .parent = &clk_div_d1_bus.clk,
494 .enable = s5pc100_d1_0_ctrl,
495 .ctrlbit = (1 << 1),
496 }, {
497 .name = "pdma",
498 .id = 0,
499 .parent = &clk_div_d1_bus.clk,
500 .enable = s5pc100_d1_0_ctrl,
501 .ctrlbit = (1 << 0),
502 }, {
503 .name = "lcd",
504 .id = -1,
505 .parent = &clk_div_d1_bus.clk,
506 .enable = s5pc100_d1_1_ctrl,
507 .ctrlbit = (1 << 0),
508 }, {
509 .name = "rotator",
510 .id = -1,
511 .parent = &clk_div_d1_bus.clk,
512 .enable = s5pc100_d1_1_ctrl,
513 .ctrlbit = (1 << 1),
514 }, {
515 .name = "fimc",
516 .id = 0,
517 .parent = &clk_div_d1_bus.clk,
518 .enable = s5pc100_d1_1_ctrl,
519 .ctrlbit = (1 << 2),
520 }, {
521 .name = "fimc",
522 .id = 1,
523 .parent = &clk_div_d1_bus.clk,
524 .enable = s5pc100_d1_1_ctrl,
525 .ctrlbit = (1 << 3),
526 }, {
527 .name = "fimc",
528 .id = 2,
529 .parent = &clk_div_d1_bus.clk,
530 .enable = s5pc100_d1_1_ctrl,
531 .ctrlbit = (1 << 4),
532 }, {
533 .name = "jpeg",
534 .id = -1,
535 .parent = &clk_div_d1_bus.clk,
536 .enable = s5pc100_d1_1_ctrl,
537 .ctrlbit = (1 << 5),
538 }, {
539 .name = "mipi-dsim",
540 .id = -1,
541 .parent = &clk_div_d1_bus.clk,
542 .enable = s5pc100_d1_1_ctrl,
543 .ctrlbit = (1 << 6),
544 }, {
545 .name = "mipi-csis",
546 .id = -1,
547 .parent = &clk_div_d1_bus.clk,
548 .enable = s5pc100_d1_1_ctrl,
549 .ctrlbit = (1 << 7),
550 }, {
551 .name = "g3d",
552 .id = 0,
553 .parent = &clk_div_d1_bus.clk,
554 .enable = s5pc100_d1_0_ctrl,
555 .ctrlbit = (1 << 8),
556 }, {
557 .name = "tv",
558 .id = -1,
559 .parent = &clk_div_d1_bus.clk,
560 .enable = s5pc100_d1_2_ctrl,
561 .ctrlbit = (1 << 0),
562 }, {
563 .name = "vp",
564 .id = -1,
565 .parent = &clk_div_d1_bus.clk,
566 .enable = s5pc100_d1_2_ctrl,
567 .ctrlbit = (1 << 1),
568 }, {
569 .name = "mixer",
570 .id = -1,
571 .parent = &clk_div_d1_bus.clk,
572 .enable = s5pc100_d1_2_ctrl,
573 .ctrlbit = (1 << 2),
574 }, {
575 .name = "hdmi",
576 .id = -1,
577 .parent = &clk_div_d1_bus.clk,
578 .enable = s5pc100_d1_2_ctrl,
579 .ctrlbit = (1 << 3),
580 }, {
581 .name = "mfc",
582 .id = -1,
583 .parent = &clk_div_d1_bus.clk,
584 .enable = s5pc100_d1_2_ctrl,
585 .ctrlbit = (1 << 4),
586 }, {
587 .name = "apc",
588 .id = -1,
589 .parent = &clk_div_d1_bus.clk,
590 .enable = s5pc100_d1_3_ctrl,
591 .ctrlbit = (1 << 2),
592 }, {
593 .name = "iec",
594 .id = -1,
595 .parent = &clk_div_d1_bus.clk,
596 .enable = s5pc100_d1_3_ctrl,
597 .ctrlbit = (1 << 3),
598 }, {
599 .name = "systimer",
600 .id = -1,
601 .parent = &clk_div_d1_bus.clk,
602 .enable = s5pc100_d1_3_ctrl,
603 .ctrlbit = (1 << 7),
604 }, {
605 .name = "watchdog",
606 .id = -1,
607 .parent = &clk_div_d1_bus.clk,
608 .enable = s5pc100_d1_3_ctrl,
609 .ctrlbit = (1 << 8),
610 }, {
611 .name = "rtc",
612 .id = -1,
613 .parent = &clk_div_d1_bus.clk,
614 .enable = s5pc100_d1_3_ctrl,
615 .ctrlbit = (1 << 9),
616 }, {
617 .name = "i2c",
618 .id = 0,
619 .parent = &clk_div_d1_bus.clk,
620 .enable = s5pc100_d1_4_ctrl,
621 .ctrlbit = (1 << 4),
622 }, {
623 .name = "i2c",
624 .id = 1,
625 .parent = &clk_div_d1_bus.clk,
626 .enable = s5pc100_d1_4_ctrl,
627 .ctrlbit = (1 << 5),
628 }, {
629 .name = "spi",
630 .id = 0,
631 .parent = &clk_div_d1_bus.clk,
632 .enable = s5pc100_d1_4_ctrl,
633 .ctrlbit = (1 << 6),
634 }, {
635 .name = "spi",
636 .id = 1,
637 .parent = &clk_div_d1_bus.clk,
638 .enable = s5pc100_d1_4_ctrl,
639 .ctrlbit = (1 << 7),
640 }, {
641 .name = "spi",
642 .id = 2,
643 .parent = &clk_div_d1_bus.clk,
644 .enable = s5pc100_d1_4_ctrl,
645 .ctrlbit = (1 << 8),
646 }, {
647 .name = "irda",
648 .id = -1,
649 .parent = &clk_div_d1_bus.clk,
650 .enable = s5pc100_d1_4_ctrl,
651 .ctrlbit = (1 << 9),
652 }, {
653 .name = "ccan",
654 .id = 0,
655 .parent = &clk_div_d1_bus.clk,
656 .enable = s5pc100_d1_4_ctrl,
657 .ctrlbit = (1 << 10),
658 }, {
659 .name = "ccan",
660 .id = 1,
661 .parent = &clk_div_d1_bus.clk,
662 .enable = s5pc100_d1_4_ctrl,
663 .ctrlbit = (1 << 11),
664 }, {
665 .name = "hsitx",
666 .id = -1,
667 .parent = &clk_div_d1_bus.clk,
668 .enable = s5pc100_d1_4_ctrl,
669 .ctrlbit = (1 << 12),
670 }, {
671 .name = "hsirx",
672 .id = -1,
673 .parent = &clk_div_d1_bus.clk,
674 .enable = s5pc100_d1_4_ctrl,
675 .ctrlbit = (1 << 13),
676 }, {
677 .name = "iis",
678 .id = 0,
679 .parent = &clk_div_pclkd1.clk,
680 .enable = s5pc100_d1_5_ctrl,
681 .ctrlbit = (1 << 0),
682 }, {
683 .name = "iis",
684 .id = 1,
685 .parent = &clk_div_pclkd1.clk,
686 .enable = s5pc100_d1_5_ctrl,
687 .ctrlbit = (1 << 1),
688 }, {
689 .name = "iis",
690 .id = 2,
691 .parent = &clk_div_pclkd1.clk,
692 .enable = s5pc100_d1_5_ctrl,
693 .ctrlbit = (1 << 2),
694 }, {
695 .name = "ac97",
696 .id = -1,
697 .parent = &clk_div_pclkd1.clk,
698 .enable = s5pc100_d1_5_ctrl,
699 .ctrlbit = (1 << 3),
700 }, {
701 .name = "pcm",
702 .id = 0,
703 .parent = &clk_div_pclkd1.clk,
704 .enable = s5pc100_d1_5_ctrl,
705 .ctrlbit = (1 << 4),
706 }, {
707 .name = "pcm",
708 .id = 1,
709 .parent = &clk_div_pclkd1.clk,
710 .enable = s5pc100_d1_5_ctrl,
711 .ctrlbit = (1 << 5),
712 }, {
713 .name = "spdif",
714 .id = -1,
715 .parent = &clk_div_pclkd1.clk,
716 .enable = s5pc100_d1_5_ctrl,
717 .ctrlbit = (1 << 6),
718 }, {
719 .name = "adc",
720 .id = -1,
721 .parent = &clk_div_pclkd1.clk,
722 .enable = s5pc100_d1_5_ctrl,
723 .ctrlbit = (1 << 7),
724 }, {
725 .name = "keypad",
726 .id = -1,
727 .parent = &clk_div_pclkd1.clk,
728 .enable = s5pc100_d1_5_ctrl,
729 .ctrlbit = (1 << 8),
730 }, {
731 .name = "spi_48m",
732 .id = 0,
733 .parent = &clk_mout_48m.clk,
734 .enable = s5pc100_sclk0_ctrl,
735 .ctrlbit = (1 << 7),
736 }, {
737 .name = "spi_48m",
738 .id = 1,
739 .parent = &clk_mout_48m.clk,
740 .enable = s5pc100_sclk0_ctrl,
741 .ctrlbit = (1 << 8),
742 }, {
743 .name = "spi_48m",
744 .id = 2,
745 .parent = &clk_mout_48m.clk,
746 .enable = s5pc100_sclk0_ctrl,
747 .ctrlbit = (1 << 9),
748 }, {
749 .name = "mmc_48m",
750 .id = 0,
751 .parent = &clk_mout_48m.clk,
752 .enable = s5pc100_sclk0_ctrl,
753 .ctrlbit = (1 << 15),
754 }, {
755 .name = "mmc_48m",
756 .id = 1,
757 .parent = &clk_mout_48m.clk,
758 .enable = s5pc100_sclk0_ctrl,
759 .ctrlbit = (1 << 16),
760 }, {
761 .name = "mmc_48m",
762 .id = 2,
763 .parent = &clk_mout_48m.clk,
764 .enable = s5pc100_sclk0_ctrl,
765 .ctrlbit = (1 << 17),
769 static struct clk clk_vclk54m = {
770 .name = "vclk_54m",
771 .id = -1,
772 .rate = 54000000,
775 static struct clk clk_i2scdclk0 = {
776 .name = "i2s_cdclk0",
777 .id = -1,
780 static struct clk clk_i2scdclk1 = {
781 .name = "i2s_cdclk1",
782 .id = -1,
785 static struct clk clk_i2scdclk2 = {
786 .name = "i2s_cdclk2",
787 .id = -1,
790 static struct clk clk_pcmcdclk0 = {
791 .name = "pcm_cdclk0",
792 .id = -1,
795 static struct clk clk_pcmcdclk1 = {
796 .name = "pcm_cdclk1",
797 .id = -1,
800 static struct clk *clk_src_group1_list[] = {
801 [0] = &clk_mout_epll.clk,
802 [1] = &clk_div_mpll2.clk,
803 [2] = &clk_fin_epll,
804 [3] = &clk_mout_hpll.clk,
807 struct clksrc_sources clk_src_group1 = {
808 .sources = clk_src_group1_list,
809 .nr_sources = ARRAY_SIZE(clk_src_group1_list),
812 static struct clk *clk_src_group2_list[] = {
813 [0] = &clk_mout_epll.clk,
814 [1] = &clk_div_mpll.clk,
817 struct clksrc_sources clk_src_group2 = {
818 .sources = clk_src_group2_list,
819 .nr_sources = ARRAY_SIZE(clk_src_group2_list),
822 static struct clk *clk_src_group3_list[] = {
823 [0] = &clk_mout_epll.clk,
824 [1] = &clk_div_mpll.clk,
825 [2] = &clk_fin_epll,
826 [3] = &clk_i2scdclk0,
827 [4] = &clk_pcmcdclk0,
828 [5] = &clk_mout_hpll.clk,
831 struct clksrc_sources clk_src_group3 = {
832 .sources = clk_src_group3_list,
833 .nr_sources = ARRAY_SIZE(clk_src_group3_list),
836 static struct clksrc_clk clk_sclk_audio0 = {
837 .clk = {
838 .name = "sclk_audio",
839 .id = 0,
840 .ctrlbit = (1 << 8),
841 .enable = s5pc100_sclk1_ctrl,
843 .sources = &clk_src_group3,
844 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 3 },
845 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 },
848 static struct clk *clk_src_group4_list[] = {
849 [0] = &clk_mout_epll.clk,
850 [1] = &clk_div_mpll.clk,
851 [2] = &clk_fin_epll,
852 [3] = &clk_i2scdclk1,
853 [4] = &clk_pcmcdclk1,
854 [5] = &clk_mout_hpll.clk,
857 struct clksrc_sources clk_src_group4 = {
858 .sources = clk_src_group4_list,
859 .nr_sources = ARRAY_SIZE(clk_src_group4_list),
862 static struct clksrc_clk clk_sclk_audio1 = {
863 .clk = {
864 .name = "sclk_audio",
865 .id = 1,
866 .ctrlbit = (1 << 9),
867 .enable = s5pc100_sclk1_ctrl,
869 .sources = &clk_src_group4,
870 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 3 },
871 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
874 static struct clk *clk_src_group5_list[] = {
875 [0] = &clk_mout_epll.clk,
876 [1] = &clk_div_mpll.clk,
877 [2] = &clk_fin_epll,
878 [3] = &clk_i2scdclk2,
879 [4] = &clk_mout_hpll.clk,
882 struct clksrc_sources clk_src_group5 = {
883 .sources = clk_src_group5_list,
884 .nr_sources = ARRAY_SIZE(clk_src_group5_list),
887 static struct clksrc_clk clk_sclk_audio2 = {
888 .clk = {
889 .name = "sclk_audio",
890 .id = 2,
891 .ctrlbit = (1 << 10),
892 .enable = s5pc100_sclk1_ctrl,
894 .sources = &clk_src_group5,
895 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 3 },
896 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 },
899 static struct clk *clk_src_group6_list[] = {
900 [0] = &s5p_clk_27m,
901 [1] = &clk_vclk54m,
902 [2] = &clk_div_hdmi.clk,
905 struct clksrc_sources clk_src_group6 = {
906 .sources = clk_src_group6_list,
907 .nr_sources = ARRAY_SIZE(clk_src_group6_list),
910 static struct clk *clk_src_group7_list[] = {
911 [0] = &clk_mout_epll.clk,
912 [1] = &clk_div_mpll.clk,
913 [2] = &clk_mout_hpll.clk,
914 [3] = &clk_vclk54m,
917 struct clksrc_sources clk_src_group7 = {
918 .sources = clk_src_group7_list,
919 .nr_sources = ARRAY_SIZE(clk_src_group7_list),
922 static struct clk *clk_src_mmc0_list[] = {
923 [0] = &clk_mout_epll.clk,
924 [1] = &clk_div_mpll.clk,
925 [2] = &clk_fin_epll,
928 struct clksrc_sources clk_src_mmc0 = {
929 .sources = clk_src_mmc0_list,
930 .nr_sources = ARRAY_SIZE(clk_src_mmc0_list),
933 static struct clk *clk_src_mmc12_list[] = {
934 [0] = &clk_mout_epll.clk,
935 [1] = &clk_div_mpll.clk,
936 [2] = &clk_fin_epll,
937 [3] = &clk_mout_hpll.clk,
940 struct clksrc_sources clk_src_mmc12 = {
941 .sources = clk_src_mmc12_list,
942 .nr_sources = ARRAY_SIZE(clk_src_mmc12_list),
945 static struct clk *clk_src_irda_usb_list[] = {
946 [0] = &clk_mout_epll.clk,
947 [1] = &clk_div_mpll.clk,
948 [2] = &clk_fin_epll,
949 [3] = &clk_mout_hpll.clk,
952 struct clksrc_sources clk_src_irda_usb = {
953 .sources = clk_src_irda_usb_list,
954 .nr_sources = ARRAY_SIZE(clk_src_irda_usb_list),
957 static struct clk *clk_src_pwi_list[] = {
958 [0] = &clk_fin_epll,
959 [1] = &clk_mout_epll.clk,
960 [2] = &clk_div_mpll.clk,
963 struct clksrc_sources clk_src_pwi = {
964 .sources = clk_src_pwi_list,
965 .nr_sources = ARRAY_SIZE(clk_src_pwi_list),
968 static struct clk *clk_sclk_spdif_list[] = {
969 [0] = &clk_sclk_audio0.clk,
970 [1] = &clk_sclk_audio1.clk,
971 [2] = &clk_sclk_audio2.clk,
974 struct clksrc_sources clk_src_sclk_spdif = {
975 .sources = clk_sclk_spdif_list,
976 .nr_sources = ARRAY_SIZE(clk_sclk_spdif_list),
979 static int s5pc100_spdif_set_rate(struct clk *clk, unsigned long rate)
981 struct clk *pclk;
982 int ret;
984 pclk = clk_get_parent(clk);
985 if (IS_ERR(pclk))
986 return -EINVAL;
988 ret = pclk->ops->set_rate(pclk, rate);
989 clk_put(pclk);
991 return ret;
994 static unsigned long s5pc100_spdif_get_rate(struct clk *clk)
996 struct clk *pclk;
997 int rate;
999 pclk = clk_get_parent(clk);
1000 if (IS_ERR(pclk))
1001 return -EINVAL;
1003 rate = pclk->ops->get_rate(clk);
1004 clk_put(pclk);
1006 return rate;
1009 static struct clk_ops s5pc100_sclk_spdif_ops = {
1010 .set_rate = s5pc100_spdif_set_rate,
1011 .get_rate = s5pc100_spdif_get_rate,
1014 static struct clksrc_clk clk_sclk_spdif = {
1015 .clk = {
1016 .name = "sclk_spdif",
1017 .id = -1,
1018 .ctrlbit = (1 << 11),
1019 .enable = s5pc100_sclk1_ctrl,
1020 .ops = &s5pc100_sclk_spdif_ops,
1022 .sources = &clk_src_sclk_spdif,
1023 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 24, .size = 2 },
1026 static struct clksrc_clk clksrcs[] = {
1028 .clk = {
1029 .name = "sclk_spi",
1030 .id = 0,
1031 .ctrlbit = (1 << 4),
1032 .enable = s5pc100_sclk0_ctrl,
1035 .sources = &clk_src_group1,
1036 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 2 },
1037 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
1038 }, {
1039 .clk = {
1040 .name = "sclk_spi",
1041 .id = 1,
1042 .ctrlbit = (1 << 5),
1043 .enable = s5pc100_sclk0_ctrl,
1046 .sources = &clk_src_group1,
1047 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 2 },
1048 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 },
1049 }, {
1050 .clk = {
1051 .name = "sclk_spi",
1052 .id = 2,
1053 .ctrlbit = (1 << 6),
1054 .enable = s5pc100_sclk0_ctrl,
1057 .sources = &clk_src_group1,
1058 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 2 },
1059 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 12, .size = 4 },
1060 }, {
1061 .clk = {
1062 .name = "uclk1",
1063 .id = -1,
1064 .ctrlbit = (1 << 3),
1065 .enable = s5pc100_sclk0_ctrl,
1068 .sources = &clk_src_group2,
1069 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 1 },
1070 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
1071 }, {
1072 .clk = {
1073 .name = "sclk_mixer",
1074 .id = -1,
1075 .ctrlbit = (1 << 6),
1076 .enable = s5pc100_sclk0_ctrl,
1079 .sources = &clk_src_group6,
1080 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 28, .size = 2 },
1081 }, {
1082 .clk = {
1083 .name = "sclk_lcd",
1084 .id = -1,
1085 .ctrlbit = (1 << 0),
1086 .enable = s5pc100_sclk1_ctrl,
1089 .sources = &clk_src_group7,
1090 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 12, .size = 2 },
1091 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 },
1092 }, {
1093 .clk = {
1094 .name = "sclk_fimc",
1095 .id = 0,
1096 .ctrlbit = (1 << 1),
1097 .enable = s5pc100_sclk1_ctrl,
1100 .sources = &clk_src_group7,
1101 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 16, .size = 2 },
1102 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 16, .size = 4 },
1103 }, {
1104 .clk = {
1105 .name = "sclk_fimc",
1106 .id = 1,
1107 .ctrlbit = (1 << 2),
1108 .enable = s5pc100_sclk1_ctrl,
1111 .sources = &clk_src_group7,
1112 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 20, .size = 2 },
1113 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
1114 }, {
1115 .clk = {
1116 .name = "sclk_fimc",
1117 .id = 2,
1118 .ctrlbit = (1 << 3),
1119 .enable = s5pc100_sclk1_ctrl,
1122 .sources = &clk_src_group7,
1123 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 24, .size = 2 },
1124 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 24, .size = 4 },
1125 }, {
1126 .clk = {
1127 .name = "sclk_mmc",
1128 .id = 0,
1129 .ctrlbit = (1 << 12),
1130 .enable = s5pc100_sclk1_ctrl,
1133 .sources = &clk_src_mmc0,
1134 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 0, .size = 2 },
1135 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 0, .size = 4 },
1136 }, {
1137 .clk = {
1138 .name = "sclk_mmc",
1139 .id = 1,
1140 .ctrlbit = (1 << 13),
1141 .enable = s5pc100_sclk1_ctrl,
1144 .sources = &clk_src_mmc12,
1145 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 4, .size = 2 },
1146 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 4, .size = 4 },
1147 }, {
1148 .clk = {
1149 .name = "sclk_mmc",
1150 .id = 2,
1151 .ctrlbit = (1 << 14),
1152 .enable = s5pc100_sclk1_ctrl,
1155 .sources = &clk_src_mmc12,
1156 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 },
1157 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 },
1158 }, {
1159 .clk = {
1160 .name = "sclk_irda",
1161 .id = 2,
1162 .ctrlbit = (1 << 10),
1163 .enable = s5pc100_sclk0_ctrl,
1166 .sources = &clk_src_irda_usb,
1167 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 },
1168 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 },
1169 }, {
1170 .clk = {
1171 .name = "sclk_irda",
1172 .id = -1,
1173 .ctrlbit = (1 << 10),
1174 .enable = s5pc100_sclk0_ctrl,
1177 .sources = &clk_src_mmc12,
1178 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 16, .size = 2 },
1179 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 16, .size = 4 },
1180 }, {
1181 .clk = {
1182 .name = "sclk_pwi",
1183 .id = -1,
1184 .ctrlbit = (1 << 1),
1185 .enable = s5pc100_sclk0_ctrl,
1188 .sources = &clk_src_pwi,
1189 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 0, .size = 2 },
1190 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 0, .size = 3 },
1191 }, {
1192 .clk = {
1193 .name = "sclk_uhost",
1194 .id = -1,
1195 .ctrlbit = (1 << 11),
1196 .enable = s5pc100_sclk0_ctrl,
1199 .sources = &clk_src_irda_usb,
1200 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 20, .size = 2 },
1201 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 20, .size = 4 },
1205 /* Clock initialisation code */
1206 static struct clksrc_clk *sysclks[] = {
1207 &clk_mout_apll,
1208 &clk_mout_epll,
1209 &clk_mout_mpll,
1210 &clk_mout_hpll,
1211 &clk_mout_href,
1212 &clk_mout_48m,
1213 &clk_div_apll,
1214 &clk_div_arm,
1215 &clk_div_d0_bus,
1216 &clk_div_pclkd0,
1217 &clk_div_secss,
1218 &clk_div_apll2,
1219 &clk_mout_am,
1220 &clk_div_d1_bus,
1221 &clk_div_mpll2,
1222 &clk_div_mpll,
1223 &clk_mout_onenand,
1224 &clk_div_onenand,
1225 &clk_div_pclkd1,
1226 &clk_div_cam,
1227 &clk_div_hdmi,
1228 &clk_sclk_audio0,
1229 &clk_sclk_audio1,
1230 &clk_sclk_audio2,
1231 &clk_sclk_spdif,
1234 void __init_or_cpufreq s5pc100_setup_clocks(void)
1236 unsigned long xtal;
1237 unsigned long arm;
1238 unsigned long hclkd0;
1239 unsigned long hclkd1;
1240 unsigned long pclkd0;
1241 unsigned long pclkd1;
1242 unsigned long apll;
1243 unsigned long mpll;
1244 unsigned long epll;
1245 unsigned long hpll;
1246 unsigned int ptr;
1248 /* Set S5PC100 functions for clk_fout_epll */
1249 clk_fout_epll.enable = s5p_epll_enable;
1250 clk_fout_epll.ops = &s5pc100_epll_ops;
1252 printk(KERN_DEBUG "%s: registering clocks\n", __func__);
1254 xtal = clk_get_rate(&clk_xtal);
1256 printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
1258 apll = s5p_get_pll65xx(xtal, __raw_readl(S5P_APLL_CON));
1259 mpll = s5p_get_pll65xx(xtal, __raw_readl(S5P_MPLL_CON));
1260 epll = s5p_get_pll65xx(xtal, __raw_readl(S5P_EPLL_CON));
1261 hpll = s5p_get_pll65xx(xtal, __raw_readl(S5P_HPLL_CON));
1263 printk(KERN_INFO "S5PC100: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz, E=%ld.%ldMHz, H=%ld.%ldMHz\n",
1264 print_mhz(apll), print_mhz(mpll), print_mhz(epll), print_mhz(hpll));
1266 clk_fout_apll.rate = apll;
1267 clk_fout_mpll.rate = mpll;
1268 clk_fout_epll.rate = epll;
1269 clk_mout_hpll.clk.rate = hpll;
1271 for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
1272 s3c_set_clksrc(&clksrcs[ptr], true);
1274 arm = clk_get_rate(&clk_div_arm.clk);
1275 hclkd0 = clk_get_rate(&clk_div_d0_bus.clk);
1276 pclkd0 = clk_get_rate(&clk_div_pclkd0.clk);
1277 hclkd1 = clk_get_rate(&clk_div_d1_bus.clk);
1278 pclkd1 = clk_get_rate(&clk_div_pclkd1.clk);
1280 printk(KERN_INFO "S5PC100: HCLKD0=%ld.%ldMHz, HCLKD1=%ld.%ldMHz, PCLKD0=%ld.%ldMHz, PCLKD1=%ld.%ldMHz\n",
1281 print_mhz(hclkd0), print_mhz(hclkd1), print_mhz(pclkd0), print_mhz(pclkd1));
1283 clk_f.rate = arm;
1284 clk_h.rate = hclkd1;
1285 clk_p.rate = pclkd1;
1289 * The following clocks will be enabled during clock initialization.
1291 static struct clk init_clocks[] = {
1293 .name = "tzic",
1294 .id = -1,
1295 .parent = &clk_div_d0_bus.clk,
1296 .enable = s5pc100_d0_0_ctrl,
1297 .ctrlbit = (1 << 1),
1298 }, {
1299 .name = "intc",
1300 .id = -1,
1301 .parent = &clk_div_d0_bus.clk,
1302 .enable = s5pc100_d0_0_ctrl,
1303 .ctrlbit = (1 << 0),
1304 }, {
1305 .name = "ebi",
1306 .id = -1,
1307 .parent = &clk_div_d0_bus.clk,
1308 .enable = s5pc100_d0_1_ctrl,
1309 .ctrlbit = (1 << 5),
1310 }, {
1311 .name = "intmem",
1312 .id = -1,
1313 .parent = &clk_div_d0_bus.clk,
1314 .enable = s5pc100_d0_1_ctrl,
1315 .ctrlbit = (1 << 4),
1316 }, {
1317 .name = "sromc",
1318 .id = -1,
1319 .parent = &clk_div_d0_bus.clk,
1320 .enable = s5pc100_d0_1_ctrl,
1321 .ctrlbit = (1 << 1),
1322 }, {
1323 .name = "dmc",
1324 .id = -1,
1325 .parent = &clk_div_d0_bus.clk,
1326 .enable = s5pc100_d0_1_ctrl,
1327 .ctrlbit = (1 << 0),
1328 }, {
1329 .name = "chipid",
1330 .id = -1,
1331 .parent = &clk_div_d0_bus.clk,
1332 .enable = s5pc100_d0_1_ctrl,
1333 .ctrlbit = (1 << 0),
1334 }, {
1335 .name = "gpio",
1336 .id = -1,
1337 .parent = &clk_div_d1_bus.clk,
1338 .enable = s5pc100_d1_3_ctrl,
1339 .ctrlbit = (1 << 1),
1340 }, {
1341 .name = "uart",
1342 .id = 0,
1343 .parent = &clk_div_d1_bus.clk,
1344 .enable = s5pc100_d1_4_ctrl,
1345 .ctrlbit = (1 << 0),
1346 }, {
1347 .name = "uart",
1348 .id = 1,
1349 .parent = &clk_div_d1_bus.clk,
1350 .enable = s5pc100_d1_4_ctrl,
1351 .ctrlbit = (1 << 1),
1352 }, {
1353 .name = "uart",
1354 .id = 2,
1355 .parent = &clk_div_d1_bus.clk,
1356 .enable = s5pc100_d1_4_ctrl,
1357 .ctrlbit = (1 << 2),
1358 }, {
1359 .name = "uart",
1360 .id = 3,
1361 .parent = &clk_div_d1_bus.clk,
1362 .enable = s5pc100_d1_4_ctrl,
1363 .ctrlbit = (1 << 3),
1364 }, {
1365 .name = "timers",
1366 .id = -1,
1367 .parent = &clk_div_d1_bus.clk,
1368 .enable = s5pc100_d1_3_ctrl,
1369 .ctrlbit = (1 << 6),
1373 static struct clk *clks[] __initdata = {
1374 &clk_ext,
1375 &clk_i2scdclk0,
1376 &clk_i2scdclk1,
1377 &clk_i2scdclk2,
1378 &clk_pcmcdclk0,
1379 &clk_pcmcdclk1,
1382 void __init s5pc100_register_clocks(void)
1384 int ptr;
1386 s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
1388 for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
1389 s3c_register_clksrc(sysclks[ptr], 1);
1391 s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
1392 s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
1394 s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1395 s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1397 s3c_pwmclk_init();