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 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 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
= "s3c64xx-spi.0",
568 .parent
= &clk_div_d1_bus
.clk
,
569 .enable
= s5pc100_d1_4_ctrl
,
573 .devname
= "s3c64xx-spi.1",
574 .parent
= &clk_div_d1_bus
.clk
,
575 .enable
= s5pc100_d1_4_ctrl
,
579 .devname
= "s3c64xx-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 .devname
= "samsung-i2s.0",
611 .parent
= &clk_div_pclkd1
.clk
,
612 .enable
= s5pc100_d1_5_ctrl
,
616 .devname
= "samsung-i2s.1",
617 .parent
= &clk_div_pclkd1
.clk
,
618 .enable
= s5pc100_d1_5_ctrl
,
622 .devname
= "samsung-i2s.2",
623 .parent
= &clk_div_pclkd1
.clk
,
624 .enable
= s5pc100_d1_5_ctrl
,
628 .parent
= &clk_div_pclkd1
.clk
,
629 .enable
= s5pc100_d1_5_ctrl
,
633 .devname
= "samsung-pcm.0",
634 .parent
= &clk_div_pclkd1
.clk
,
635 .enable
= s5pc100_d1_5_ctrl
,
639 .devname
= "samsung-pcm.1",
640 .parent
= &clk_div_pclkd1
.clk
,
641 .enable
= s5pc100_d1_5_ctrl
,
645 .parent
= &clk_div_pclkd1
.clk
,
646 .enable
= s5pc100_d1_5_ctrl
,
650 .parent
= &clk_div_pclkd1
.clk
,
651 .enable
= s5pc100_d1_5_ctrl
,
655 .parent
= &clk_div_pclkd1
.clk
,
656 .enable
= s5pc100_d1_5_ctrl
,
660 .devname
= "s3c-sdhci.0",
661 .parent
= &clk_mout_48m
.clk
,
662 .enable
= s5pc100_sclk0_ctrl
,
663 .ctrlbit
= (1 << 15),
666 .devname
= "s3c-sdhci.1",
667 .parent
= &clk_mout_48m
.clk
,
668 .enable
= s5pc100_sclk0_ctrl
,
669 .ctrlbit
= (1 << 16),
672 .devname
= "s3c-sdhci.2",
673 .parent
= &clk_mout_48m
.clk
,
674 .enable
= s5pc100_sclk0_ctrl
,
675 .ctrlbit
= (1 << 17),
679 static struct clk clk_hsmmc2
= {
681 .devname
= "s3c-sdhci.2",
682 .parent
= &clk_div_d1_bus
.clk
,
683 .enable
= s5pc100_d1_0_ctrl
,
687 static struct clk clk_hsmmc1
= {
689 .devname
= "s3c-sdhci.1",
690 .parent
= &clk_div_d1_bus
.clk
,
691 .enable
= s5pc100_d1_0_ctrl
,
695 static struct clk clk_hsmmc0
= {
697 .devname
= "s3c-sdhci.0",
698 .parent
= &clk_div_d1_bus
.clk
,
699 .enable
= s5pc100_d1_0_ctrl
,
703 static struct clk clk_48m_spi0
= {
705 .devname
= "s3c64xx-spi.0",
706 .parent
= &clk_mout_48m
.clk
,
707 .enable
= s5pc100_sclk0_ctrl
,
711 static struct clk clk_48m_spi1
= {
713 .devname
= "s3c64xx-spi.1",
714 .parent
= &clk_mout_48m
.clk
,
715 .enable
= s5pc100_sclk0_ctrl
,
719 static struct clk clk_48m_spi2
= {
721 .devname
= "s3c64xx-spi.2",
722 .parent
= &clk_mout_48m
.clk
,
723 .enable
= s5pc100_sclk0_ctrl
,
727 static struct clk clk_vclk54m
= {
732 static struct clk clk_i2scdclk0
= {
733 .name
= "i2s_cdclk0",
736 static struct clk clk_i2scdclk1
= {
737 .name
= "i2s_cdclk1",
740 static struct clk clk_i2scdclk2
= {
741 .name
= "i2s_cdclk2",
744 static struct clk clk_pcmcdclk0
= {
745 .name
= "pcm_cdclk0",
748 static struct clk clk_pcmcdclk1
= {
749 .name
= "pcm_cdclk1",
752 static struct clk
*clk_src_group1_list
[] = {
753 [0] = &clk_mout_epll
.clk
,
754 [1] = &clk_div_mpll2
.clk
,
756 [3] = &clk_mout_hpll
.clk
,
759 struct clksrc_sources clk_src_group1
= {
760 .sources
= clk_src_group1_list
,
761 .nr_sources
= ARRAY_SIZE(clk_src_group1_list
),
764 static struct clk
*clk_src_group2_list
[] = {
765 [0] = &clk_mout_epll
.clk
,
766 [1] = &clk_div_mpll
.clk
,
769 struct clksrc_sources clk_src_group2
= {
770 .sources
= clk_src_group2_list
,
771 .nr_sources
= ARRAY_SIZE(clk_src_group2_list
),
774 static struct clk
*clk_src_group3_list
[] = {
775 [0] = &clk_mout_epll
.clk
,
776 [1] = &clk_div_mpll
.clk
,
778 [3] = &clk_i2scdclk0
,
779 [4] = &clk_pcmcdclk0
,
780 [5] = &clk_mout_hpll
.clk
,
783 struct clksrc_sources clk_src_group3
= {
784 .sources
= clk_src_group3_list
,
785 .nr_sources
= ARRAY_SIZE(clk_src_group3_list
),
788 static struct clksrc_clk clk_sclk_audio0
= {
790 .name
= "sclk_audio",
791 .devname
= "samsung-pcm.0",
793 .enable
= s5pc100_sclk1_ctrl
,
795 .sources
= &clk_src_group3
,
796 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 12, .size
= 3 },
797 .reg_div
= { .reg
= S5P_CLK_DIV4
, .shift
= 12, .size
= 4 },
800 static struct clk
*clk_src_group4_list
[] = {
801 [0] = &clk_mout_epll
.clk
,
802 [1] = &clk_div_mpll
.clk
,
804 [3] = &clk_i2scdclk1
,
805 [4] = &clk_pcmcdclk1
,
806 [5] = &clk_mout_hpll
.clk
,
809 struct clksrc_sources clk_src_group4
= {
810 .sources
= clk_src_group4_list
,
811 .nr_sources
= ARRAY_SIZE(clk_src_group4_list
),
814 static struct clksrc_clk clk_sclk_audio1
= {
816 .name
= "sclk_audio",
817 .devname
= "samsung-pcm.1",
819 .enable
= s5pc100_sclk1_ctrl
,
821 .sources
= &clk_src_group4
,
822 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 16, .size
= 3 },
823 .reg_div
= { .reg
= S5P_CLK_DIV4
, .shift
= 16, .size
= 4 },
826 static struct clk
*clk_src_group5_list
[] = {
827 [0] = &clk_mout_epll
.clk
,
828 [1] = &clk_div_mpll
.clk
,
830 [3] = &clk_i2scdclk2
,
831 [4] = &clk_mout_hpll
.clk
,
834 struct clksrc_sources clk_src_group5
= {
835 .sources
= clk_src_group5_list
,
836 .nr_sources
= ARRAY_SIZE(clk_src_group5_list
),
839 static struct clksrc_clk clk_sclk_audio2
= {
841 .name
= "sclk_audio",
842 .devname
= "samsung-pcm.2",
843 .ctrlbit
= (1 << 10),
844 .enable
= s5pc100_sclk1_ctrl
,
846 .sources
= &clk_src_group5
,
847 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 20, .size
= 3 },
848 .reg_div
= { .reg
= S5P_CLK_DIV4
, .shift
= 20, .size
= 4 },
851 static struct clk
*clk_src_group6_list
[] = {
854 [2] = &clk_div_hdmi
.clk
,
857 struct clksrc_sources clk_src_group6
= {
858 .sources
= clk_src_group6_list
,
859 .nr_sources
= ARRAY_SIZE(clk_src_group6_list
),
862 static struct clk
*clk_src_group7_list
[] = {
863 [0] = &clk_mout_epll
.clk
,
864 [1] = &clk_div_mpll
.clk
,
865 [2] = &clk_mout_hpll
.clk
,
869 struct clksrc_sources clk_src_group7
= {
870 .sources
= clk_src_group7_list
,
871 .nr_sources
= ARRAY_SIZE(clk_src_group7_list
),
874 static struct clk
*clk_src_mmc0_list
[] = {
875 [0] = &clk_mout_epll
.clk
,
876 [1] = &clk_div_mpll
.clk
,
880 struct clksrc_sources clk_src_mmc0
= {
881 .sources
= clk_src_mmc0_list
,
882 .nr_sources
= ARRAY_SIZE(clk_src_mmc0_list
),
885 static struct clk
*clk_src_mmc12_list
[] = {
886 [0] = &clk_mout_epll
.clk
,
887 [1] = &clk_div_mpll
.clk
,
889 [3] = &clk_mout_hpll
.clk
,
892 struct clksrc_sources clk_src_mmc12
= {
893 .sources
= clk_src_mmc12_list
,
894 .nr_sources
= ARRAY_SIZE(clk_src_mmc12_list
),
897 static struct clk
*clk_src_irda_usb_list
[] = {
898 [0] = &clk_mout_epll
.clk
,
899 [1] = &clk_div_mpll
.clk
,
901 [3] = &clk_mout_hpll
.clk
,
904 struct clksrc_sources clk_src_irda_usb
= {
905 .sources
= clk_src_irda_usb_list
,
906 .nr_sources
= ARRAY_SIZE(clk_src_irda_usb_list
),
909 static struct clk
*clk_src_pwi_list
[] = {
911 [1] = &clk_mout_epll
.clk
,
912 [2] = &clk_div_mpll
.clk
,
915 struct clksrc_sources clk_src_pwi
= {
916 .sources
= clk_src_pwi_list
,
917 .nr_sources
= ARRAY_SIZE(clk_src_pwi_list
),
920 static struct clk
*clk_sclk_spdif_list
[] = {
921 [0] = &clk_sclk_audio0
.clk
,
922 [1] = &clk_sclk_audio1
.clk
,
923 [2] = &clk_sclk_audio2
.clk
,
926 struct clksrc_sources clk_src_sclk_spdif
= {
927 .sources
= clk_sclk_spdif_list
,
928 .nr_sources
= ARRAY_SIZE(clk_sclk_spdif_list
),
931 static struct clksrc_clk clk_sclk_spdif
= {
933 .name
= "sclk_spdif",
934 .ctrlbit
= (1 << 11),
935 .enable
= s5pc100_sclk1_ctrl
,
936 .ops
= &s5p_sclk_spdif_ops
,
938 .sources
= &clk_src_sclk_spdif
,
939 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 24, .size
= 2 },
942 static struct clksrc_clk clksrcs
[] = {
945 .name
= "sclk_mixer",
947 .enable
= s5pc100_sclk0_ctrl
,
950 .sources
= &clk_src_group6
,
951 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 28, .size
= 2 },
956 .enable
= s5pc100_sclk1_ctrl
,
959 .sources
= &clk_src_group7
,
960 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 12, .size
= 2 },
961 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 12, .size
= 4 },
965 .devname
= "s5p-fimc.0",
967 .enable
= s5pc100_sclk1_ctrl
,
970 .sources
= &clk_src_group7
,
971 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 16, .size
= 2 },
972 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 16, .size
= 4 },
976 .devname
= "s5p-fimc.1",
978 .enable
= s5pc100_sclk1_ctrl
,
981 .sources
= &clk_src_group7
,
982 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 20, .size
= 2 },
983 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 20, .size
= 4 },
987 .devname
= "s5p-fimc.2",
989 .enable
= s5pc100_sclk1_ctrl
,
992 .sources
= &clk_src_group7
,
993 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 24, .size
= 2 },
994 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 24, .size
= 4 },
998 .ctrlbit
= (1 << 10),
999 .enable
= s5pc100_sclk0_ctrl
,
1002 .sources
= &clk_src_irda_usb
,
1003 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 8, .size
= 2 },
1004 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 8, .size
= 4 },
1007 .name
= "sclk_irda",
1008 .ctrlbit
= (1 << 10),
1009 .enable
= s5pc100_sclk0_ctrl
,
1012 .sources
= &clk_src_mmc12
,
1013 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 16, .size
= 2 },
1014 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 16, .size
= 4 },
1018 .ctrlbit
= (1 << 1),
1019 .enable
= s5pc100_sclk0_ctrl
,
1022 .sources
= &clk_src_pwi
,
1023 .reg_src
= { .reg
= S5P_CLK_SRC3
, .shift
= 0, .size
= 2 },
1024 .reg_div
= { .reg
= S5P_CLK_DIV4
, .shift
= 0, .size
= 3 },
1027 .name
= "sclk_uhost",
1028 .ctrlbit
= (1 << 11),
1029 .enable
= s5pc100_sclk0_ctrl
,
1032 .sources
= &clk_src_irda_usb
,
1033 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 20, .size
= 2 },
1034 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 20, .size
= 4 },
1038 static struct clksrc_clk clk_sclk_uart
= {
1041 .ctrlbit
= (1 << 3),
1042 .enable
= s5pc100_sclk0_ctrl
,
1044 .sources
= &clk_src_group2
,
1045 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 0, .size
= 1 },
1046 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 0, .size
= 4 },
1049 static struct clksrc_clk clk_sclk_mmc0
= {
1052 .devname
= "s3c-sdhci.0",
1053 .ctrlbit
= (1 << 12),
1054 .enable
= s5pc100_sclk1_ctrl
,
1056 .sources
= &clk_src_mmc0
,
1057 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 0, .size
= 2 },
1058 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 0, .size
= 4 },
1061 static struct clksrc_clk clk_sclk_mmc1
= {
1064 .devname
= "s3c-sdhci.1",
1065 .ctrlbit
= (1 << 13),
1066 .enable
= s5pc100_sclk1_ctrl
,
1068 .sources
= &clk_src_mmc12
,
1069 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 4, .size
= 2 },
1070 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 4, .size
= 4 },
1073 static struct clksrc_clk clk_sclk_mmc2
= {
1076 .devname
= "s3c-sdhci.2",
1077 .ctrlbit
= (1 << 14),
1078 .enable
= s5pc100_sclk1_ctrl
,
1080 .sources
= &clk_src_mmc12
,
1081 .reg_src
= { .reg
= S5P_CLK_SRC2
, .shift
= 8, .size
= 2 },
1082 .reg_div
= { .reg
= S5P_CLK_DIV3
, .shift
= 8, .size
= 4 },
1085 static struct clksrc_clk clk_sclk_spi0
= {
1088 .devname
= "s3c64xx-spi.0",
1089 .ctrlbit
= (1 << 4),
1090 .enable
= s5pc100_sclk0_ctrl
,
1092 .sources
= &clk_src_group1
,
1093 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 4, .size
= 2 },
1094 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 4, .size
= 4 },
1097 static struct clksrc_clk clk_sclk_spi1
= {
1100 .devname
= "s3c64xx-spi.1",
1101 .ctrlbit
= (1 << 5),
1102 .enable
= s5pc100_sclk0_ctrl
,
1104 .sources
= &clk_src_group1
,
1105 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 8, .size
= 2 },
1106 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 8, .size
= 4 },
1109 static struct clksrc_clk clk_sclk_spi2
= {
1112 .devname
= "s3c64xx-spi.2",
1113 .ctrlbit
= (1 << 6),
1114 .enable
= s5pc100_sclk0_ctrl
,
1116 .sources
= &clk_src_group1
,
1117 .reg_src
= { .reg
= S5P_CLK_SRC1
, .shift
= 12, .size
= 2 },
1118 .reg_div
= { .reg
= S5P_CLK_DIV2
, .shift
= 12, .size
= 4 },
1121 /* Clock initialisation code */
1122 static struct clksrc_clk
*sysclks
[] = {
1150 static struct clk
*clk_cdev
[] = {
1159 static struct clksrc_clk
*clksrc_cdev
[] = {
1169 void __init_or_cpufreq
s5pc100_setup_clocks(void)
1173 unsigned long hclkd0
;
1174 unsigned long hclkd1
;
1175 unsigned long pclkd0
;
1176 unsigned long pclkd1
;
1183 /* Set S5PC100 functions for clk_fout_epll */
1184 clk_fout_epll
.enable
= s5p_epll_enable
;
1185 clk_fout_epll
.ops
= &s5pc100_epll_ops
;
1187 printk(KERN_DEBUG
"%s: registering clocks\n", __func__
);
1189 xtal
= clk_get_rate(&clk_xtal
);
1191 printk(KERN_DEBUG
"%s: xtal is %ld\n", __func__
, xtal
);
1193 apll
= s5p_get_pll65xx(xtal
, __raw_readl(S5P_APLL_CON
));
1194 mpll
= s5p_get_pll65xx(xtal
, __raw_readl(S5P_MPLL_CON
));
1195 epll
= s5p_get_pll65xx(xtal
, __raw_readl(S5P_EPLL_CON
));
1196 hpll
= s5p_get_pll65xx(xtal
, __raw_readl(S5P_HPLL_CON
));
1198 printk(KERN_INFO
"S5PC100: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz, E=%ld.%ldMHz, H=%ld.%ldMHz\n",
1199 print_mhz(apll
), print_mhz(mpll
), print_mhz(epll
), print_mhz(hpll
));
1201 clk_fout_apll
.rate
= apll
;
1202 clk_fout_mpll
.rate
= mpll
;
1203 clk_fout_epll
.rate
= epll
;
1204 clk_mout_hpll
.clk
.rate
= hpll
;
1206 for (ptr
= 0; ptr
< ARRAY_SIZE(clksrcs
); ptr
++)
1207 s3c_set_clksrc(&clksrcs
[ptr
], true);
1209 arm
= clk_get_rate(&clk_div_arm
.clk
);
1210 hclkd0
= clk_get_rate(&clk_div_d0_bus
.clk
);
1211 pclkd0
= clk_get_rate(&clk_div_pclkd0
.clk
);
1212 hclkd1
= clk_get_rate(&clk_div_d1_bus
.clk
);
1213 pclkd1
= clk_get_rate(&clk_div_pclkd1
.clk
);
1215 printk(KERN_INFO
"S5PC100: HCLKD0=%ld.%ldMHz, HCLKD1=%ld.%ldMHz, PCLKD0=%ld.%ldMHz, PCLKD1=%ld.%ldMHz\n",
1216 print_mhz(hclkd0
), print_mhz(hclkd1
), print_mhz(pclkd0
), print_mhz(pclkd1
));
1219 clk_h
.rate
= hclkd1
;
1220 clk_p
.rate
= pclkd1
;
1224 * The following clocks will be enabled during clock initialization.
1226 static struct clk init_clocks
[] = {
1229 .parent
= &clk_div_d0_bus
.clk
,
1230 .enable
= s5pc100_d0_0_ctrl
,
1231 .ctrlbit
= (1 << 1),
1234 .parent
= &clk_div_d0_bus
.clk
,
1235 .enable
= s5pc100_d0_0_ctrl
,
1236 .ctrlbit
= (1 << 0),
1239 .parent
= &clk_div_d0_bus
.clk
,
1240 .enable
= s5pc100_d0_1_ctrl
,
1241 .ctrlbit
= (1 << 5),
1244 .parent
= &clk_div_d0_bus
.clk
,
1245 .enable
= s5pc100_d0_1_ctrl
,
1246 .ctrlbit
= (1 << 4),
1249 .parent
= &clk_div_d0_bus
.clk
,
1250 .enable
= s5pc100_d0_1_ctrl
,
1251 .ctrlbit
= (1 << 1),
1254 .parent
= &clk_div_d0_bus
.clk
,
1255 .enable
= s5pc100_d0_1_ctrl
,
1256 .ctrlbit
= (1 << 0),
1259 .parent
= &clk_div_d0_bus
.clk
,
1260 .enable
= s5pc100_d0_1_ctrl
,
1261 .ctrlbit
= (1 << 0),
1264 .parent
= &clk_div_d1_bus
.clk
,
1265 .enable
= s5pc100_d1_3_ctrl
,
1266 .ctrlbit
= (1 << 1),
1269 .devname
= "s3c6400-uart.0",
1270 .parent
= &clk_div_d1_bus
.clk
,
1271 .enable
= s5pc100_d1_4_ctrl
,
1272 .ctrlbit
= (1 << 0),
1275 .devname
= "s3c6400-uart.1",
1276 .parent
= &clk_div_d1_bus
.clk
,
1277 .enable
= s5pc100_d1_4_ctrl
,
1278 .ctrlbit
= (1 << 1),
1281 .devname
= "s3c6400-uart.2",
1282 .parent
= &clk_div_d1_bus
.clk
,
1283 .enable
= s5pc100_d1_4_ctrl
,
1284 .ctrlbit
= (1 << 2),
1287 .devname
= "s3c6400-uart.3",
1288 .parent
= &clk_div_d1_bus
.clk
,
1289 .enable
= s5pc100_d1_4_ctrl
,
1290 .ctrlbit
= (1 << 3),
1293 .parent
= &clk_div_d1_bus
.clk
,
1294 .enable
= s5pc100_d1_3_ctrl
,
1295 .ctrlbit
= (1 << 6),
1299 static struct clk
*clks
[] __initdata
= {
1308 static struct clk_lookup s5pc100_clk_lookup
[] = {
1309 CLKDEV_INIT(NULL
, "clk_uart_baud2", &clk_p
),
1310 CLKDEV_INIT(NULL
, "clk_uart_baud3", &clk_sclk_uart
.clk
),
1311 CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &clk_hsmmc0
),
1312 CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &clk_hsmmc1
),
1313 CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.0", &clk_hsmmc2
),
1314 CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0
.clk
),
1315 CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1
.clk
),
1316 CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2
.clk
),
1317 CLKDEV_INIT(NULL
, "spi_busclk0", &clk_p
),
1318 CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", &clk_48m_spi0
),
1319 CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &clk_sclk_spi0
.clk
),
1320 CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", &clk_48m_spi1
),
1321 CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk2", &clk_sclk_spi1
.clk
),
1322 CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk1", &clk_48m_spi2
),
1323 CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk2", &clk_sclk_spi2
.clk
),
1326 void __init
s5pc100_register_clocks(void)
1330 s3c24xx_register_clocks(clks
, ARRAY_SIZE(clks
));
1332 for (ptr
= 0; ptr
< ARRAY_SIZE(sysclks
); ptr
++)
1333 s3c_register_clksrc(sysclks
[ptr
], 1);
1335 s3c_register_clksrc(clksrcs
, ARRAY_SIZE(clksrcs
));
1336 s3c_register_clocks(init_clocks
, ARRAY_SIZE(init_clocks
));
1337 for (ptr
= 0; ptr
< ARRAY_SIZE(clksrc_cdev
); ptr
++)
1338 s3c_register_clksrc(clksrc_cdev
[ptr
], 1);
1340 s3c_register_clocks(init_clocks_off
, ARRAY_SIZE(init_clocks_off
));
1341 s3c_disable_clocks(init_clocks_off
, ARRAY_SIZE(init_clocks_off
));
1342 clkdev_add_table(s5pc100_clk_lookup
, ARRAY_SIZE(s5pc100_clk_lookup
));
1344 s3c24xx_register_clocks(clk_cdev
, ARRAY_SIZE(clk_cdev
));
1345 for (ptr
= 0; ptr
< ARRAY_SIZE(clk_cdev
); ptr
++)
1346 s3c_disable_clocks(clk_cdev
[ptr
], 1);
1348 s3c24xx_register_clock(&dummy_apb_pclk
);