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>
23 #include <plat/cpu-freq.h>
24 #include <mach/regs-clock.h>
25 #include <plat/clock.h>
28 #include <plat/s5p-clock.h>
29 #include <plat/clock-clksrc.h>
33 static struct clk s5p_clk_otgphy
= {
37 static struct clk dummy_apb_pclk
= {
42 static struct clk
*clk_src_mout_href_list
[] = {
47 static struct clksrc_sources clk_src_mout_href
= {
48 .sources
= clk_src_mout_href_list
,
49 .nr_sources
= ARRAY_SIZE(clk_src_mout_href_list
),
52 static struct clksrc_clk clk_mout_href
= {
56 .sources
= &clk_src_mout_href
,
57 .reg_src
= { .reg
= S5P_CLK_SRC0
, .shift
= 20, .size
= 1 },
60 static struct clk
*clk_src_mout_48m_list
[] = {
62 [1] = &s5p_clk_otgphy
,
65 static struct clksrc_sources clk_src_mout_48m
= {
66 .sources
= clk_src_mout_48m_list
,
67 .nr_sources
= ARRAY_SIZE(clk_src_mout_48m_list
),
70 static struct clksrc_clk clk_mout_48m
= {
74 .sources
= &clk_src_mout_48m
,
75 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 24, .size
= 1 },
78 static struct clksrc_clk clk_mout_mpll
= {
82 .sources
= &clk_src_mpll
,
83 .reg_src
= { .reg
= S5P_CLK_SRC0
, .shift
= 4, .size
= 1 },
87 static struct clksrc_clk clk_mout_apll
= {
91 .sources
= &clk_src_apll
,
92 .reg_src
= { .reg
= S5P_CLK_SRC0
, .shift
= 0, .size
= 1 },
95 static struct clksrc_clk clk_mout_epll
= {
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
[] = {
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
= {
116 .sources
= &clk_src_mout_hpll
,
117 .reg_src
= { .reg
= S5P_CLK_SRC0
, .shift
= 12, .size
= 1 },
120 static struct clksrc_clk clk_div_apll
= {
123 .parent
= &clk_mout_apll
.clk
,
125 .reg_div
= { .reg
= S5P_CLK_DIV0
, .shift
= 0, .size
= 1 },
128 static struct clksrc_clk clk_div_arm
= {
131 .parent
= &clk_div_apll
.clk
,
133 .reg_div
= { .reg
= S5P_CLK_DIV0
, .shift
= 4, .size
= 3 },
136 static struct clksrc_clk clk_div_d0_bus
= {
138 .name
= "div_d0_bus",
139 .parent
= &clk_div_arm
.clk
,
141 .reg_div
= { .reg
= S5P_CLK_DIV0
, .shift
= 8, .size
= 3 },
144 static struct clksrc_clk clk_div_pclkd0
= {
146 .name
= "div_pclkd0",
147 .parent
= &clk_div_d0_bus
.clk
,
149 .reg_div
= { .reg
= S5P_CLK_DIV0
, .shift
= 12, .size
= 3 },
152 static struct clksrc_clk clk_div_secss
= {
155 .parent
= &clk_div_d0_bus
.clk
,
157 .reg_div
= { .reg
= S5P_CLK_DIV0
, .shift
= 16, .size
= 3 },
160 static struct clksrc_clk clk_div_apll2
= {
163 .parent
= &clk_mout_apll
.clk
,
165 .reg_div
= { .reg
= S5P_CLK_DIV1
, .shift
= 0, .size
= 3 },
168 static struct clk
*clk_src_mout_am_list
[] = {
169 [0] = &clk_mout_mpll
.clk
,
170 [1] = &clk_div_apll2
.clk
,
173 static struct clksrc_sources clk_src_mout_am
= {
174 .sources
= clk_src_mout_am_list
,
175 .nr_sources
= ARRAY_SIZE(clk_src_mout_am_list
),
178 static struct clksrc_clk clk_mout_am
= {
182 .sources
= &clk_src_mout_am
,
183 .reg_src
= { .reg
= S5P_CLK_SRC0
, .shift
= 16, .size
= 1 },
186 static struct clksrc_clk clk_div_d1_bus
= {
188 .name
= "div_d1_bus",
189 .parent
= &clk_mout_am
.clk
,
191 .reg_div
= { .reg
= S5P_CLK_DIV1
, .shift
= 12, .size
= 3 },
194 static struct clksrc_clk clk_div_mpll2
= {
197 .parent
= &clk_mout_am
.clk
,
199 .reg_div
= { .reg
= S5P_CLK_DIV1
, .shift
= 8, .size
= 1 },
202 static struct clksrc_clk clk_div_mpll
= {
205 .parent
= &clk_mout_am
.clk
,
207 .reg_div
= { .reg
= S5P_CLK_DIV1
, .shift
= 4, .size
= 2 },
210 static struct clk
*clk_src_mout_onenand_list
[] = {
211 [0] = &clk_div_d0_bus
.clk
,
212 [1] = &clk_div_d1_bus
.clk
,
215 static struct clksrc_sources clk_src_mout_onenand
= {
216 .sources
= clk_src_mout_onenand_list
,
217 .nr_sources
= ARRAY_SIZE(clk_src_mout_onenand_list
),
220 static struct clksrc_clk clk_mout_onenand
= {
222 .name
= "mout_onenand",
224 .sources
= &clk_src_mout_onenand
,
225 .reg_src
= { .reg
= S5P_CLK_SRC0
, .shift
= 24, .size
= 1 },
228 static struct clksrc_clk clk_div_onenand
= {
230 .name
= "div_onenand",
231 .parent
= &clk_mout_onenand
.clk
,
233 .reg_div
= { .reg
= S5P_CLK_DIV1
, .shift
= 20, .size
= 2 },
236 static struct clksrc_clk clk_div_pclkd1
= {
238 .name
= "div_pclkd1",
239 .parent
= &clk_div_d1_bus
.clk
,
241 .reg_div
= { .reg
= S5P_CLK_DIV1
, .shift
= 16, .size
= 3 },
244 static struct clksrc_clk clk_div_cam
= {
247 .parent
= &clk_div_mpll2
.clk
,
249 .reg_div
= { .reg
= S5P_CLK_DIV1
, .shift
= 24, .size
= 5 },
252 static struct clksrc_clk clk_div_hdmi
= {
255 .parent
= &clk_mout_hpll
.clk
,
257 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 28, .size
= 4 },
260 static u32 epll_div
[][4] = {
261 { 32750000, 131, 3, 4 },
262 { 32768000, 131, 3, 4 },
263 { 36000000, 72, 3, 3 },
264 { 45000000, 90, 3, 3 },
265 { 45158000, 90, 3, 3 },
266 { 45158400, 90, 3, 3 },
267 { 48000000, 96, 3, 3 },
268 { 49125000, 131, 4, 3 },
269 { 49152000, 131, 4, 3 },
270 { 60000000, 120, 3, 3 },
271 { 67737600, 226, 5, 3 },
272 { 67738000, 226, 5, 3 },
273 { 73800000, 246, 5, 3 },
274 { 73728000, 246, 5, 3 },
275 { 72000000, 144, 3, 3 },
276 { 84000000, 168, 3, 3 },
277 { 96000000, 96, 3, 2 },
278 { 144000000, 144, 3, 2 },
279 { 192000000, 96, 3, 1 }
282 static int s5pc100_epll_set_rate(struct clk
*clk
, unsigned long rate
)
284 unsigned int epll_con
;
287 if (clk
->rate
== rate
) /* Return if nothing changed */
290 epll_con
= __raw_readl(S5P_EPLL_CON
);
292 epll_con
&= ~(PLL65XX_MDIV_MASK
| PLL65XX_PDIV_MASK
| PLL65XX_SDIV_MASK
);
294 for (i
= 0; i
< ARRAY_SIZE(epll_div
); i
++) {
295 if (epll_div
[i
][0] == rate
) {
296 epll_con
|= (epll_div
[i
][1] << PLL65XX_MDIV_SHIFT
) |
297 (epll_div
[i
][2] << PLL65XX_PDIV_SHIFT
) |
298 (epll_div
[i
][3] << PLL65XX_SDIV_SHIFT
);
303 if (i
== ARRAY_SIZE(epll_div
)) {
304 printk(KERN_ERR
"%s: Invalid Clock EPLL Frequency\n", __func__
);
308 __raw_writel(epll_con
, S5P_EPLL_CON
);
310 printk(KERN_WARNING
"EPLL Rate changes from %lu to %lu\n",
318 static struct clk_ops s5pc100_epll_ops
= {
319 .get_rate
= s5p_epll_get_rate
,
320 .set_rate
= s5pc100_epll_set_rate
,
323 static int s5pc100_d0_0_ctrl(struct clk
*clk
, int enable
)
325 return s5p_gatectrl(S5P_CLKGATE_D00
, clk
, enable
);
328 static int s5pc100_d0_1_ctrl(struct clk
*clk
, int enable
)
330 return s5p_gatectrl(S5P_CLKGATE_D01
, clk
, enable
);
333 static int s5pc100_d0_2_ctrl(struct clk
*clk
, int enable
)
335 return s5p_gatectrl(S5P_CLKGATE_D02
, clk
, enable
);
338 static int s5pc100_d1_0_ctrl(struct clk
*clk
, int enable
)
340 return s5p_gatectrl(S5P_CLKGATE_D10
, clk
, enable
);
343 static int s5pc100_d1_1_ctrl(struct clk
*clk
, int enable
)
345 return s5p_gatectrl(S5P_CLKGATE_D11
, clk
, enable
);
348 static int s5pc100_d1_2_ctrl(struct clk
*clk
, int enable
)
350 return s5p_gatectrl(S5P_CLKGATE_D12
, clk
, enable
);
353 static int s5pc100_d1_3_ctrl(struct clk
*clk
, int enable
)
355 return s5p_gatectrl(S5P_CLKGATE_D13
, clk
, enable
);
358 static int s5pc100_d1_4_ctrl(struct clk
*clk
, int enable
)
360 return s5p_gatectrl(S5P_CLKGATE_D14
, clk
, enable
);
363 static int s5pc100_d1_5_ctrl(struct clk
*clk
, int enable
)
365 return s5p_gatectrl(S5P_CLKGATE_D15
, clk
, enable
);
368 static int s5pc100_sclk0_ctrl(struct clk
*clk
, int enable
)
370 return s5p_gatectrl(S5P_CLKGATE_SCLK0
, clk
, enable
);
373 static int s5pc100_sclk1_ctrl(struct clk
*clk
, int enable
)
375 return s5p_gatectrl(S5P_CLKGATE_SCLK1
, clk
, enable
);
379 * The following clocks will be disabled during clock initialization. It is
380 * recommended to keep the following clocks disabled until the driver requests
381 * for enabling the clock.
383 static struct clk init_clocks_off
[] = {
386 .parent
= &clk_div_d0_bus
.clk
,
387 .enable
= s5pc100_d0_0_ctrl
,
391 .parent
= &clk_div_d0_bus
.clk
,
392 .enable
= s5pc100_d0_0_ctrl
,
396 .parent
= &clk_div_d0_bus
.clk
,
397 .enable
= s5pc100_d0_0_ctrl
,
401 .parent
= &clk_div_d0_bus
.clk
,
402 .enable
= s5pc100_d0_0_ctrl
,
406 .parent
= &clk_div_d0_bus
.clk
,
407 .enable
= s5pc100_d0_0_ctrl
,
411 .parent
= &clk_div_d0_bus
.clk
,
412 .enable
= s5pc100_d0_1_ctrl
,
416 .parent
= &clk_div_d0_bus
.clk
,
417 .enable
= s5pc100_d0_1_ctrl
,
421 .parent
= &clk_div_d0_bus
.clk
,
422 .enable
= s5pc100_d0_2_ctrl
,
426 .parent
= &clk_div_d0_bus
.clk
,
427 .enable
= s5pc100_d0_2_ctrl
,
431 .parent
= &clk_div_d1_bus
.clk
,
432 .enable
= s5pc100_d1_0_ctrl
,
436 .parent
= &clk_div_d1_bus
.clk
,
437 .enable
= s5pc100_d1_0_ctrl
,
441 .parent
= &clk_div_d1_bus
.clk
,
442 .enable
= s5pc100_d1_0_ctrl
,
446 .devname
= "dma-pl330.1",
447 .parent
= &clk_div_d1_bus
.clk
,
448 .enable
= s5pc100_d1_0_ctrl
,
452 .devname
= "dma-pl330.0",
453 .parent
= &clk_div_d1_bus
.clk
,
454 .enable
= s5pc100_d1_0_ctrl
,
458 .parent
= &clk_div_d1_bus
.clk
,
459 .enable
= s5pc100_d1_1_ctrl
,
463 .parent
= &clk_div_d1_bus
.clk
,
464 .enable
= s5pc100_d1_1_ctrl
,
468 .devname
= "s5p-fimc.0",
469 .parent
= &clk_div_d1_bus
.clk
,
470 .enable
= s5pc100_d1_1_ctrl
,
474 .devname
= "s5p-fimc.1",
475 .parent
= &clk_div_d1_bus
.clk
,
476 .enable
= s5pc100_d1_1_ctrl
,
480 .devname
= "s5p-fimc.2",
481 .enable
= s5pc100_d1_1_ctrl
,
485 .parent
= &clk_div_d1_bus
.clk
,
486 .enable
= s5pc100_d1_1_ctrl
,
490 .parent
= &clk_div_d1_bus
.clk
,
491 .enable
= s5pc100_d1_1_ctrl
,
495 .parent
= &clk_div_d1_bus
.clk
,
496 .enable
= s5pc100_d1_1_ctrl
,
500 .parent
= &clk_div_d1_bus
.clk
,
501 .enable
= s5pc100_d1_0_ctrl
,
505 .parent
= &clk_div_d1_bus
.clk
,
506 .enable
= s5pc100_d1_2_ctrl
,
510 .parent
= &clk_div_d1_bus
.clk
,
511 .enable
= s5pc100_d1_2_ctrl
,
515 .parent
= &clk_div_d1_bus
.clk
,
516 .enable
= s5pc100_d1_2_ctrl
,
520 .parent
= &clk_div_d1_bus
.clk
,
521 .enable
= s5pc100_d1_2_ctrl
,
525 .parent
= &clk_div_d1_bus
.clk
,
526 .enable
= s5pc100_d1_2_ctrl
,
530 .parent
= &clk_div_d1_bus
.clk
,
531 .enable
= s5pc100_d1_3_ctrl
,
535 .parent
= &clk_div_d1_bus
.clk
,
536 .enable
= s5pc100_d1_3_ctrl
,
540 .parent
= &clk_div_d1_bus
.clk
,
541 .enable
= s5pc100_d1_3_ctrl
,
545 .parent
= &clk_div_d1_bus
.clk
,
546 .enable
= s5pc100_d1_3_ctrl
,
550 .parent
= &clk_div_d1_bus
.clk
,
551 .enable
= s5pc100_d1_3_ctrl
,
555 .devname
= "s3c2440-i2c.0",
556 .parent
= &clk_div_d1_bus
.clk
,
557 .enable
= s5pc100_d1_4_ctrl
,
561 .devname
= "s3c2440-i2c.1",
562 .parent
= &clk_div_d1_bus
.clk
,
563 .enable
= s5pc100_d1_4_ctrl
,
567 .devname
= "s5pc100-spi.0",
568 .parent
= &clk_div_d1_bus
.clk
,
569 .enable
= s5pc100_d1_4_ctrl
,
573 .devname
= "s5pc100-spi.1",
574 .parent
= &clk_div_d1_bus
.clk
,
575 .enable
= s5pc100_d1_4_ctrl
,
579 .devname
= "s5pc100-spi.2",
580 .parent
= &clk_div_d1_bus
.clk
,
581 .enable
= s5pc100_d1_4_ctrl
,
585 .parent
= &clk_div_d1_bus
.clk
,
586 .enable
= s5pc100_d1_4_ctrl
,
590 .parent
= &clk_div_d1_bus
.clk
,
591 .enable
= s5pc100_d1_4_ctrl
,
592 .ctrlbit
= (1 << 10),
595 .parent
= &clk_div_d1_bus
.clk
,
596 .enable
= s5pc100_d1_4_ctrl
,
597 .ctrlbit
= (1 << 11),
600 .parent
= &clk_div_d1_bus
.clk
,
601 .enable
= s5pc100_d1_4_ctrl
,
602 .ctrlbit
= (1 << 12),
605 .parent
= &clk_div_d1_bus
.clk
,
606 .enable
= s5pc100_d1_4_ctrl
,
607 .ctrlbit
= (1 << 13),
610 .parent
= &clk_div_pclkd1
.clk
,
611 .enable
= s5pc100_d1_5_ctrl
,
615 .devname
= "samsung-pcm.0",
616 .parent
= &clk_div_pclkd1
.clk
,
617 .enable
= s5pc100_d1_5_ctrl
,
621 .devname
= "samsung-pcm.1",
622 .parent
= &clk_div_pclkd1
.clk
,
623 .enable
= s5pc100_d1_5_ctrl
,
627 .parent
= &clk_div_pclkd1
.clk
,
628 .enable
= s5pc100_d1_5_ctrl
,
632 .parent
= &clk_div_pclkd1
.clk
,
633 .enable
= s5pc100_d1_5_ctrl
,
637 .parent
= &clk_div_pclkd1
.clk
,
638 .enable
= s5pc100_d1_5_ctrl
,
642 .devname
= "s3c-sdhci.0",
643 .parent
= &clk_mout_48m
.clk
,
644 .enable
= s5pc100_sclk0_ctrl
,
645 .ctrlbit
= (1 << 15),
648 .devname
= "s3c-sdhci.1",
649 .parent
= &clk_mout_48m
.clk
,
650 .enable
= s5pc100_sclk0_ctrl
,
651 .ctrlbit
= (1 << 16),
654 .devname
= "s3c-sdhci.2",
655 .parent
= &clk_mout_48m
.clk
,
656 .enable
= s5pc100_sclk0_ctrl
,
657 .ctrlbit
= (1 << 17),
661 static struct clk clk_hsmmc2
= {
663 .devname
= "s3c-sdhci.2",
664 .parent
= &clk_div_d1_bus
.clk
,
665 .enable
= s5pc100_d1_0_ctrl
,
669 static struct clk clk_hsmmc1
= {
671 .devname
= "s3c-sdhci.1",
672 .parent
= &clk_div_d1_bus
.clk
,
673 .enable
= s5pc100_d1_0_ctrl
,
677 static struct clk clk_hsmmc0
= {
679 .devname
= "s3c-sdhci.0",
680 .parent
= &clk_div_d1_bus
.clk
,
681 .enable
= s5pc100_d1_0_ctrl
,
685 static struct clk clk_48m_spi0
= {
687 .devname
= "s5pc100-spi.0",
688 .parent
= &clk_mout_48m
.clk
,
689 .enable
= s5pc100_sclk0_ctrl
,
693 static struct clk clk_48m_spi1
= {
695 .devname
= "s5pc100-spi.1",
696 .parent
= &clk_mout_48m
.clk
,
697 .enable
= s5pc100_sclk0_ctrl
,
701 static struct clk clk_48m_spi2
= {
703 .devname
= "s5pc100-spi.2",
704 .parent
= &clk_mout_48m
.clk
,
705 .enable
= s5pc100_sclk0_ctrl
,
709 static struct clk clk_i2s0
= {
711 .devname
= "samsung-i2s.0",
712 .parent
= &clk_div_pclkd1
.clk
,
713 .enable
= s5pc100_d1_5_ctrl
,
717 static struct clk clk_i2s1
= {
719 .devname
= "samsung-i2s.1",
720 .parent
= &clk_div_pclkd1
.clk
,
721 .enable
= s5pc100_d1_5_ctrl
,
725 static struct clk clk_i2s2
= {
727 .devname
= "samsung-i2s.2",
728 .parent
= &clk_div_pclkd1
.clk
,
729 .enable
= s5pc100_d1_5_ctrl
,
733 static struct clk clk_vclk54m
= {
738 static struct clk clk_i2scdclk0
= {
739 .name
= "i2s_cdclk0",
742 static struct clk clk_i2scdclk1
= {
743 .name
= "i2s_cdclk1",
746 static struct clk clk_i2scdclk2
= {
747 .name
= "i2s_cdclk2",
750 static struct clk clk_pcmcdclk0
= {
751 .name
= "pcm_cdclk0",
754 static struct clk clk_pcmcdclk1
= {
755 .name
= "pcm_cdclk1",
758 static struct clk
*clk_src_group1_list
[] = {
759 [0] = &clk_mout_epll
.clk
,
760 [1] = &clk_div_mpll2
.clk
,
762 [3] = &clk_mout_hpll
.clk
,
765 static struct clksrc_sources clk_src_group1
= {
766 .sources
= clk_src_group1_list
,
767 .nr_sources
= ARRAY_SIZE(clk_src_group1_list
),
770 static struct clk
*clk_src_group2_list
[] = {
771 [0] = &clk_mout_epll
.clk
,
772 [1] = &clk_div_mpll
.clk
,
775 static struct clksrc_sources clk_src_group2
= {
776 .sources
= clk_src_group2_list
,
777 .nr_sources
= ARRAY_SIZE(clk_src_group2_list
),
780 static struct clk
*clk_src_group3_list
[] = {
781 [0] = &clk_mout_epll
.clk
,
782 [1] = &clk_div_mpll
.clk
,
784 [3] = &clk_i2scdclk0
,
785 [4] = &clk_pcmcdclk0
,
786 [5] = &clk_mout_hpll
.clk
,
789 static struct clksrc_sources clk_src_group3
= {
790 .sources
= clk_src_group3_list
,
791 .nr_sources
= ARRAY_SIZE(clk_src_group3_list
),
794 static struct clksrc_clk clk_sclk_audio0
= {
796 .name
= "sclk_audio",
797 .devname
= "samsung-pcm.0",
799 .enable
= s5pc100_sclk1_ctrl
,
801 .sources
= &clk_src_group3
,
802 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 12, .size
= 3 },
803 .reg_div
= { .reg
= S5P_CLK_DIV4
, .shift
= 12, .size
= 4 },
806 static struct clk
*clk_src_group4_list
[] = {
807 [0] = &clk_mout_epll
.clk
,
808 [1] = &clk_div_mpll
.clk
,
810 [3] = &clk_i2scdclk1
,
811 [4] = &clk_pcmcdclk1
,
812 [5] = &clk_mout_hpll
.clk
,
815 static struct clksrc_sources clk_src_group4
= {
816 .sources
= clk_src_group4_list
,
817 .nr_sources
= ARRAY_SIZE(clk_src_group4_list
),
820 static struct clksrc_clk clk_sclk_audio1
= {
822 .name
= "sclk_audio",
823 .devname
= "samsung-pcm.1",
825 .enable
= s5pc100_sclk1_ctrl
,
827 .sources
= &clk_src_group4
,
828 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 16, .size
= 3 },
829 .reg_div
= { .reg
= S5P_CLK_DIV4
, .shift
= 16, .size
= 4 },
832 static struct clk
*clk_src_group5_list
[] = {
833 [0] = &clk_mout_epll
.clk
,
834 [1] = &clk_div_mpll
.clk
,
836 [3] = &clk_i2scdclk2
,
837 [4] = &clk_mout_hpll
.clk
,
840 static struct clksrc_sources clk_src_group5
= {
841 .sources
= clk_src_group5_list
,
842 .nr_sources
= ARRAY_SIZE(clk_src_group5_list
),
845 static struct clksrc_clk clk_sclk_audio2
= {
847 .name
= "sclk_audio",
848 .devname
= "samsung-pcm.2",
849 .ctrlbit
= (1 << 10),
850 .enable
= s5pc100_sclk1_ctrl
,
852 .sources
= &clk_src_group5
,
853 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 20, .size
= 3 },
854 .reg_div
= { .reg
= S5P_CLK_DIV4
, .shift
= 20, .size
= 4 },
857 static struct clk
*clk_src_group6_list
[] = {
860 [2] = &clk_div_hdmi
.clk
,
863 static struct clksrc_sources clk_src_group6
= {
864 .sources
= clk_src_group6_list
,
865 .nr_sources
= ARRAY_SIZE(clk_src_group6_list
),
868 static struct clk
*clk_src_group7_list
[] = {
869 [0] = &clk_mout_epll
.clk
,
870 [1] = &clk_div_mpll
.clk
,
871 [2] = &clk_mout_hpll
.clk
,
875 static struct clksrc_sources clk_src_group7
= {
876 .sources
= clk_src_group7_list
,
877 .nr_sources
= ARRAY_SIZE(clk_src_group7_list
),
880 static struct clk
*clk_src_mmc0_list
[] = {
881 [0] = &clk_mout_epll
.clk
,
882 [1] = &clk_div_mpll
.clk
,
886 static struct clksrc_sources clk_src_mmc0
= {
887 .sources
= clk_src_mmc0_list
,
888 .nr_sources
= ARRAY_SIZE(clk_src_mmc0_list
),
891 static struct clk
*clk_src_mmc12_list
[] = {
892 [0] = &clk_mout_epll
.clk
,
893 [1] = &clk_div_mpll
.clk
,
895 [3] = &clk_mout_hpll
.clk
,
898 static struct clksrc_sources clk_src_mmc12
= {
899 .sources
= clk_src_mmc12_list
,
900 .nr_sources
= ARRAY_SIZE(clk_src_mmc12_list
),
903 static struct clk
*clk_src_irda_usb_list
[] = {
904 [0] = &clk_mout_epll
.clk
,
905 [1] = &clk_div_mpll
.clk
,
907 [3] = &clk_mout_hpll
.clk
,
910 static struct clksrc_sources clk_src_irda_usb
= {
911 .sources
= clk_src_irda_usb_list
,
912 .nr_sources
= ARRAY_SIZE(clk_src_irda_usb_list
),
915 static struct clk
*clk_src_pwi_list
[] = {
917 [1] = &clk_mout_epll
.clk
,
918 [2] = &clk_div_mpll
.clk
,
921 static struct clksrc_sources clk_src_pwi
= {
922 .sources
= clk_src_pwi_list
,
923 .nr_sources
= ARRAY_SIZE(clk_src_pwi_list
),
926 static struct clk
*clk_sclk_spdif_list
[] = {
927 [0] = &clk_sclk_audio0
.clk
,
928 [1] = &clk_sclk_audio1
.clk
,
929 [2] = &clk_sclk_audio2
.clk
,
932 static struct clksrc_sources clk_src_sclk_spdif
= {
933 .sources
= clk_sclk_spdif_list
,
934 .nr_sources
= ARRAY_SIZE(clk_sclk_spdif_list
),
937 static struct clksrc_clk clk_sclk_spdif
= {
939 .name
= "sclk_spdif",
940 .ctrlbit
= (1 << 11),
941 .enable
= s5pc100_sclk1_ctrl
,
942 .ops
= &s5p_sclk_spdif_ops
,
944 .sources
= &clk_src_sclk_spdif
,
945 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 24, .size
= 2 },
948 static struct clksrc_clk clksrcs
[] = {
951 .name
= "sclk_mixer",
953 .enable
= s5pc100_sclk0_ctrl
,
956 .sources
= &clk_src_group6
,
957 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 28, .size
= 2 },
962 .enable
= s5pc100_sclk1_ctrl
,
965 .sources
= &clk_src_group7
,
966 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 12, .size
= 2 },
967 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 12, .size
= 4 },
971 .devname
= "s5p-fimc.0",
973 .enable
= s5pc100_sclk1_ctrl
,
976 .sources
= &clk_src_group7
,
977 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 16, .size
= 2 },
978 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 16, .size
= 4 },
982 .devname
= "s5p-fimc.1",
984 .enable
= s5pc100_sclk1_ctrl
,
987 .sources
= &clk_src_group7
,
988 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 20, .size
= 2 },
989 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 20, .size
= 4 },
993 .devname
= "s5p-fimc.2",
995 .enable
= s5pc100_sclk1_ctrl
,
998 .sources
= &clk_src_group7
,
999 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 24, .size
= 2 },
1000 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 24, .size
= 4 },
1003 .name
= "sclk_irda",
1004 .ctrlbit
= (1 << 10),
1005 .enable
= s5pc100_sclk0_ctrl
,
1008 .sources
= &clk_src_irda_usb
,
1009 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 8, .size
= 2 },
1010 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 8, .size
= 4 },
1013 .name
= "sclk_irda",
1014 .ctrlbit
= (1 << 10),
1015 .enable
= s5pc100_sclk0_ctrl
,
1018 .sources
= &clk_src_mmc12
,
1019 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 16, .size
= 2 },
1020 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 16, .size
= 4 },
1024 .ctrlbit
= (1 << 1),
1025 .enable
= s5pc100_sclk0_ctrl
,
1028 .sources
= &clk_src_pwi
,
1029 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 0, .size
= 2 },
1030 .reg_div
= { .reg
= S5P_CLK_DIV4
, .shift
= 0, .size
= 3 },
1033 .name
= "sclk_uhost",
1034 .ctrlbit
= (1 << 11),
1035 .enable
= s5pc100_sclk0_ctrl
,
1038 .sources
= &clk_src_irda_usb
,
1039 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 20, .size
= 2 },
1040 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 20, .size
= 4 },
1044 static struct clksrc_clk clk_sclk_uart
= {
1047 .ctrlbit
= (1 << 3),
1048 .enable
= s5pc100_sclk0_ctrl
,
1050 .sources
= &clk_src_group2
,
1051 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 0, .size
= 1 },
1052 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 0, .size
= 4 },
1055 static struct clksrc_clk clk_sclk_mmc0
= {
1058 .devname
= "s3c-sdhci.0",
1059 .ctrlbit
= (1 << 12),
1060 .enable
= s5pc100_sclk1_ctrl
,
1062 .sources
= &clk_src_mmc0
,
1063 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 0, .size
= 2 },
1064 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 0, .size
= 4 },
1067 static struct clksrc_clk clk_sclk_mmc1
= {
1070 .devname
= "s3c-sdhci.1",
1071 .ctrlbit
= (1 << 13),
1072 .enable
= s5pc100_sclk1_ctrl
,
1074 .sources
= &clk_src_mmc12
,
1075 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 4, .size
= 2 },
1076 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 4, .size
= 4 },
1079 static struct clksrc_clk clk_sclk_mmc2
= {
1082 .devname
= "s3c-sdhci.2",
1083 .ctrlbit
= (1 << 14),
1084 .enable
= s5pc100_sclk1_ctrl
,
1086 .sources
= &clk_src_mmc12
,
1087 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 8, .size
= 2 },
1088 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 8, .size
= 4 },
1091 static struct clksrc_clk clk_sclk_spi0
= {
1094 .devname
= "s5pc100-spi.0",
1095 .ctrlbit
= (1 << 4),
1096 .enable
= s5pc100_sclk0_ctrl
,
1098 .sources
= &clk_src_group1
,
1099 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 4, .size
= 2 },
1100 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 4, .size
= 4 },
1103 static struct clksrc_clk clk_sclk_spi1
= {
1106 .devname
= "s5pc100-spi.1",
1107 .ctrlbit
= (1 << 5),
1108 .enable
= s5pc100_sclk0_ctrl
,
1110 .sources
= &clk_src_group1
,
1111 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 8, .size
= 2 },
1112 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 8, .size
= 4 },
1115 static struct clksrc_clk clk_sclk_spi2
= {
1118 .devname
= "s5pc100-spi.2",
1119 .ctrlbit
= (1 << 6),
1120 .enable
= s5pc100_sclk0_ctrl
,
1122 .sources
= &clk_src_group1
,
1123 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 12, .size
= 2 },
1124 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 12, .size
= 4 },
1127 /* Clock initialisation code */
1128 static struct clksrc_clk
*sysclks
[] = {
1156 static struct clk
*clk_cdev
[] = {
1168 static struct clksrc_clk
*clksrc_cdev
[] = {
1178 void __init_or_cpufreq
s5pc100_setup_clocks(void)
1182 unsigned long hclkd0
;
1183 unsigned long hclkd1
;
1184 unsigned long pclkd0
;
1185 unsigned long pclkd1
;
1192 /* Set S5PC100 functions for clk_fout_epll */
1193 clk_fout_epll
.enable
= s5p_epll_enable
;
1194 clk_fout_epll
.ops
= &s5pc100_epll_ops
;
1196 printk(KERN_DEBUG
"%s: registering clocks\n", __func__
);
1198 xtal
= clk_get_rate(&clk_xtal
);
1200 printk(KERN_DEBUG
"%s: xtal is %ld\n", __func__
, xtal
);
1202 apll
= s5p_get_pll65xx(xtal
, __raw_readl(S5P_APLL_CON
));
1203 mpll
= s5p_get_pll65xx(xtal
, __raw_readl(S5P_MPLL_CON
));
1204 epll
= s5p_get_pll65xx(xtal
, __raw_readl(S5P_EPLL_CON
));
1205 hpll
= s5p_get_pll65xx(xtal
, __raw_readl(S5P_HPLL_CON
));
1207 printk(KERN_INFO
"S5PC100: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz, E=%ld.%ldMHz, H=%ld.%ldMHz\n",
1208 print_mhz(apll
), print_mhz(mpll
), print_mhz(epll
), print_mhz(hpll
));
1210 clk_fout_apll
.rate
= apll
;
1211 clk_fout_mpll
.rate
= mpll
;
1212 clk_fout_epll
.rate
= epll
;
1213 clk_mout_hpll
.clk
.rate
= hpll
;
1215 for (ptr
= 0; ptr
< ARRAY_SIZE(clksrcs
); ptr
++)
1216 s3c_set_clksrc(&clksrcs
[ptr
], true);
1218 arm
= clk_get_rate(&clk_div_arm
.clk
);
1219 hclkd0
= clk_get_rate(&clk_div_d0_bus
.clk
);
1220 pclkd0
= clk_get_rate(&clk_div_pclkd0
.clk
);
1221 hclkd1
= clk_get_rate(&clk_div_d1_bus
.clk
);
1222 pclkd1
= clk_get_rate(&clk_div_pclkd1
.clk
);
1224 printk(KERN_INFO
"S5PC100: HCLKD0=%ld.%ldMHz, HCLKD1=%ld.%ldMHz, PCLKD0=%ld.%ldMHz, PCLKD1=%ld.%ldMHz\n",
1225 print_mhz(hclkd0
), print_mhz(hclkd1
), print_mhz(pclkd0
), print_mhz(pclkd1
));
1228 clk_h
.rate
= hclkd1
;
1229 clk_p
.rate
= pclkd1
;
1233 * The following clocks will be enabled during clock initialization.
1235 static struct clk init_clocks
[] = {
1238 .parent
= &clk_div_d0_bus
.clk
,
1239 .enable
= s5pc100_d0_0_ctrl
,
1240 .ctrlbit
= (1 << 1),
1243 .parent
= &clk_div_d0_bus
.clk
,
1244 .enable
= s5pc100_d0_0_ctrl
,
1245 .ctrlbit
= (1 << 0),
1248 .parent
= &clk_div_d0_bus
.clk
,
1249 .enable
= s5pc100_d0_1_ctrl
,
1250 .ctrlbit
= (1 << 5),
1253 .parent
= &clk_div_d0_bus
.clk
,
1254 .enable
= s5pc100_d0_1_ctrl
,
1255 .ctrlbit
= (1 << 4),
1258 .parent
= &clk_div_d0_bus
.clk
,
1259 .enable
= s5pc100_d0_1_ctrl
,
1260 .ctrlbit
= (1 << 1),
1263 .parent
= &clk_div_d0_bus
.clk
,
1264 .enable
= s5pc100_d0_1_ctrl
,
1265 .ctrlbit
= (1 << 0),
1268 .parent
= &clk_div_d0_bus
.clk
,
1269 .enable
= s5pc100_d0_1_ctrl
,
1270 .ctrlbit
= (1 << 0),
1273 .parent
= &clk_div_d1_bus
.clk
,
1274 .enable
= s5pc100_d1_3_ctrl
,
1275 .ctrlbit
= (1 << 1),
1278 .devname
= "s3c6400-uart.0",
1279 .parent
= &clk_div_d1_bus
.clk
,
1280 .enable
= s5pc100_d1_4_ctrl
,
1281 .ctrlbit
= (1 << 0),
1284 .devname
= "s3c6400-uart.1",
1285 .parent
= &clk_div_d1_bus
.clk
,
1286 .enable
= s5pc100_d1_4_ctrl
,
1287 .ctrlbit
= (1 << 1),
1290 .devname
= "s3c6400-uart.2",
1291 .parent
= &clk_div_d1_bus
.clk
,
1292 .enable
= s5pc100_d1_4_ctrl
,
1293 .ctrlbit
= (1 << 2),
1296 .devname
= "s3c6400-uart.3",
1297 .parent
= &clk_div_d1_bus
.clk
,
1298 .enable
= s5pc100_d1_4_ctrl
,
1299 .ctrlbit
= (1 << 3),
1302 .parent
= &clk_div_d1_bus
.clk
,
1303 .enable
= s5pc100_d1_3_ctrl
,
1304 .ctrlbit
= (1 << 6),
1308 static struct clk
*clks
[] __initdata
= {
1317 static struct clk_lookup s5pc100_clk_lookup
[] = {
1318 CLKDEV_INIT(NULL
, "clk_uart_baud2", &clk_p
),
1319 CLKDEV_INIT(NULL
, "clk_uart_baud3", &clk_sclk_uart
.clk
),
1320 CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &clk_hsmmc0
),
1321 CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &clk_hsmmc1
),
1322 CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.0", &clk_hsmmc2
),
1323 CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0
.clk
),
1324 CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1
.clk
),
1325 CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2
.clk
),
1326 CLKDEV_INIT(NULL
, "spi_busclk0", &clk_p
),
1327 CLKDEV_INIT("s5pc100-spi.0", "spi_busclk1", &clk_48m_spi0
),
1328 CLKDEV_INIT("s5pc100-spi.0", "spi_busclk2", &clk_sclk_spi0
.clk
),
1329 CLKDEV_INIT("s5pc100-spi.1", "spi_busclk1", &clk_48m_spi1
),
1330 CLKDEV_INIT("s5pc100-spi.1", "spi_busclk2", &clk_sclk_spi1
.clk
),
1331 CLKDEV_INIT("s5pc100-spi.2", "spi_busclk1", &clk_48m_spi2
),
1332 CLKDEV_INIT("s5pc100-spi.2", "spi_busclk2", &clk_sclk_spi2
.clk
),
1333 CLKDEV_INIT("samsung-i2s.0", "i2s_opclk0", &clk_i2s0
),
1334 CLKDEV_INIT("samsung-i2s.1", "i2s_opclk0", &clk_i2s1
),
1335 CLKDEV_INIT("samsung-i2s.2", "i2s_opclk0", &clk_i2s2
),
1338 void __init
s5pc100_register_clocks(void)
1342 s3c24xx_register_clocks(clks
, ARRAY_SIZE(clks
));
1344 for (ptr
= 0; ptr
< ARRAY_SIZE(sysclks
); ptr
++)
1345 s3c_register_clksrc(sysclks
[ptr
], 1);
1347 s3c_register_clksrc(clksrcs
, ARRAY_SIZE(clksrcs
));
1348 s3c_register_clocks(init_clocks
, ARRAY_SIZE(init_clocks
));
1349 for (ptr
= 0; ptr
< ARRAY_SIZE(clksrc_cdev
); ptr
++)
1350 s3c_register_clksrc(clksrc_cdev
[ptr
], 1);
1352 s3c_register_clocks(init_clocks_off
, ARRAY_SIZE(init_clocks_off
));
1353 s3c_disable_clocks(init_clocks_off
, ARRAY_SIZE(init_clocks_off
));
1354 clkdev_add_table(s5pc100_clk_lookup
, ARRAY_SIZE(s5pc100_clk_lookup
));
1356 s3c24xx_register_clocks(clk_cdev
, ARRAY_SIZE(clk_cdev
));
1357 for (ptr
= 0; ptr
< ARRAY_SIZE(clk_cdev
); ptr
++)
1358 s3c_disable_clocks(clk_cdev
[ptr
], 1);
1360 s3c24xx_register_clock(&dummy_apb_pclk
);