1 /* linux/arch/arm/mach-s5pv210/clock.c
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
6 * S5PV210 - 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/errno.h>
18 #include <linux/err.h>
19 #include <linux/clk.h>
20 #include <linux/sysdev.h>
25 #include <plat/cpu-freq.h>
26 #include <mach/regs-clock.h>
27 #include <plat/clock.h>
30 #include <plat/s5p-clock.h>
31 #include <plat/clock-clksrc.h>
32 #include <plat/s5pv210.h>
34 static unsigned long xtal;
36 static struct clksrc_clk clk_mout_apll = {
40 .sources = &clk_src_apll,
41 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
44 static struct clksrc_clk clk_mout_epll = {
48 .sources = &clk_src_epll,
49 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 },
52 static struct clksrc_clk clk_mout_mpll = {
56 .sources = &clk_src_mpll,
57 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 },
60 static struct clk *clkset_armclk_list[] = {
61 [0] = &clk_mout_apll.clk,
62 [1] = &clk_mout_mpll.clk,
65 static struct clksrc_sources clkset_armclk = {
66 .sources = clkset_armclk_list,
67 .nr_sources = ARRAY_SIZE(clkset_armclk_list),
70 static struct clksrc_clk clk_armclk = {
74 .sources = &clkset_armclk,
75 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 1 },
76 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 3 },
79 static struct clksrc_clk clk_hclk_msys = {
82 .parent = &clk_armclk.clk,
84 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 },
87 static struct clksrc_clk clk_pclk_msys = {
90 .parent = &clk_hclk_msys.clk,
92 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 },
95 static struct clksrc_clk clk_sclk_a2m = {
98 .parent = &clk_mout_apll.clk,
100 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 },
103 static struct clk *clkset_hclk_sys_list[] = {
104 [0] = &clk_mout_mpll.clk,
105 [1] = &clk_sclk_a2m.clk,
108 static struct clksrc_sources clkset_hclk_sys = {
109 .sources = clkset_hclk_sys_list,
110 .nr_sources = ARRAY_SIZE(clkset_hclk_sys_list),
113 static struct clksrc_clk clk_hclk_dsys = {
117 .sources = &clkset_hclk_sys,
118 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 },
119 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 4 },
122 static struct clksrc_clk clk_pclk_dsys = {
125 .parent = &clk_hclk_dsys.clk,
127 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 20, .size = 3 },
130 static struct clksrc_clk clk_hclk_psys = {
134 .sources = &clkset_hclk_sys,
135 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 24, .size = 1 },
136 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 24, .size = 4 },
139 static struct clksrc_clk clk_pclk_psys = {
142 .parent = &clk_hclk_psys.clk,
144 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 28, .size = 3 },
147 static int s5pv210_clk_ip0_ctrl(struct clk *clk, int enable)
149 return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable);
152 static int s5pv210_clk_ip1_ctrl(struct clk *clk, int enable)
154 return s5p_gatectrl(S5P_CLKGATE_IP1, clk, enable);
157 static int s5pv210_clk_ip2_ctrl(struct clk *clk, int enable)
159 return s5p_gatectrl(S5P_CLKGATE_IP2, clk, enable);
162 static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable)
164 return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
167 static int s5pv210_clk_mask0_ctrl(struct clk *clk, int enable)
169 return s5p_gatectrl(S5P_CLK_SRC_MASK0, clk, enable);
172 static int s5pv210_clk_mask1_ctrl(struct clk *clk, int enable)
174 return s5p_gatectrl(S5P_CLK_SRC_MASK1, clk, enable);
177 static int exynos4_clk_hdmiphy_ctrl(struct clk *clk, int enable)
179 return s5p_gatectrl(S5P_HDMI_PHY_CONTROL, clk, enable);
182 static int exynos4_clk_dac_ctrl(struct clk *clk, int enable)
184 return s5p_gatectrl(S5P_DAC_PHY_CONTROL, clk, enable);
187 static struct clk clk_sclk_hdmi27m = {
188 .name = "sclk_hdmi27m",
192 static struct clk clk_sclk_hdmiphy = {
193 .name = "sclk_hdmiphy",
196 static struct clk clk_sclk_usbphy0 = {
197 .name = "sclk_usbphy0",
200 static struct clk clk_sclk_usbphy1 = {
201 .name = "sclk_usbphy1",
204 static struct clk clk_pcmcdclk0 = {
208 static struct clk clk_pcmcdclk1 = {
212 static struct clk clk_pcmcdclk2 = {
216 static struct clk dummy_apb_pclk = {
221 static struct clk *clkset_vpllsrc_list[] = {
223 [1] = &clk_sclk_hdmi27m,
226 static struct clksrc_sources clkset_vpllsrc = {
227 .sources = clkset_vpllsrc_list,
228 .nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
231 static struct clksrc_clk clk_vpllsrc = {
234 .enable = s5pv210_clk_mask0_ctrl,
237 .sources = &clkset_vpllsrc,
238 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 28, .size = 1 },
241 static struct clk *clkset_sclk_vpll_list[] = {
242 [0] = &clk_vpllsrc.clk,
243 [1] = &clk_fout_vpll,
246 static struct clksrc_sources clkset_sclk_vpll = {
247 .sources = clkset_sclk_vpll_list,
248 .nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
251 static struct clksrc_clk clk_sclk_vpll = {
255 .sources = &clkset_sclk_vpll,
256 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 },
259 static struct clk *clkset_moutdmc0src_list[] = {
260 [0] = &clk_sclk_a2m.clk,
261 [1] = &clk_mout_mpll.clk,
266 static struct clksrc_sources clkset_moutdmc0src = {
267 .sources = clkset_moutdmc0src_list,
268 .nr_sources = ARRAY_SIZE(clkset_moutdmc0src_list),
271 static struct clksrc_clk clk_mout_dmc0 = {
275 .sources = &clkset_moutdmc0src,
276 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
279 static struct clksrc_clk clk_sclk_dmc0 = {
282 .parent = &clk_mout_dmc0.clk,
284 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
287 static unsigned long s5pv210_clk_imem_get_rate(struct clk *clk)
289 return clk_get_rate(clk->parent) / 2;
292 static struct clk_ops clk_hclk_imem_ops = {
293 .get_rate = s5pv210_clk_imem_get_rate,
296 static unsigned long s5pv210_clk_fout_apll_get_rate(struct clk *clk)
298 return s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
301 static struct clk_ops clk_fout_apll_ops = {
302 .get_rate = s5pv210_clk_fout_apll_get_rate,
305 static struct clk init_clocks_off[] = {
308 .devname = "dma-pl330.0",
309 .parent = &clk_hclk_psys.clk,
310 .enable = s5pv210_clk_ip0_ctrl,
314 .devname = "dma-pl330.1",
315 .parent = &clk_hclk_psys.clk,
316 .enable = s5pv210_clk_ip0_ctrl,
320 .parent = &clk_hclk_dsys.clk,
321 .enable = s5pv210_clk_ip0_ctrl,
325 .devname = "s5pv210-fimc.0",
326 .parent = &clk_hclk_dsys.clk,
327 .enable = s5pv210_clk_ip0_ctrl,
328 .ctrlbit = (1 << 24),
331 .devname = "s5pv210-fimc.1",
332 .parent = &clk_hclk_dsys.clk,
333 .enable = s5pv210_clk_ip0_ctrl,
334 .ctrlbit = (1 << 25),
337 .devname = "s5pv210-fimc.2",
338 .parent = &clk_hclk_dsys.clk,
339 .enable = s5pv210_clk_ip0_ctrl,
340 .ctrlbit = (1 << 26),
343 .devname = "s5p-mfc",
344 .parent = &clk_pclk_psys.clk,
345 .enable = s5pv210_clk_ip0_ctrl,
346 .ctrlbit = (1 << 16),
349 .devname = "s5p-sdo",
350 .parent = &clk_hclk_dsys.clk,
351 .enable = s5pv210_clk_ip1_ctrl,
352 .ctrlbit = (1 << 10),
355 .devname = "s5p-mixer",
356 .parent = &clk_hclk_dsys.clk,
357 .enable = s5pv210_clk_ip1_ctrl,
361 .devname = "s5p-mixer",
362 .parent = &clk_hclk_dsys.clk,
363 .enable = s5pv210_clk_ip1_ctrl,
367 .devname = "s5pv210-hdmi",
368 .parent = &clk_hclk_dsys.clk,
369 .enable = s5pv210_clk_ip1_ctrl,
370 .ctrlbit = (1 << 11),
373 .devname = "s5pv210-hdmi",
374 .enable = exynos4_clk_hdmiphy_ctrl,
378 .devname = "s5p-sdo",
379 .enable = exynos4_clk_dac_ctrl,
383 .parent = &clk_hclk_psys.clk,
384 .enable = s5pv210_clk_ip1_ctrl,
388 .parent = &clk_hclk_psys.clk,
389 .enable = s5pv210_clk_ip1_ctrl,
393 .parent = &clk_hclk_dsys.clk,
394 .enable = s5pv210_clk_ip1_ctrl,
398 .parent = &clk_hclk_psys.clk,
399 .enable = s5pv210_clk_ip1_ctrl,
403 .devname = "s3c-sdhci.0",
404 .parent = &clk_hclk_psys.clk,
405 .enable = s5pv210_clk_ip2_ctrl,
409 .devname = "s3c-sdhci.1",
410 .parent = &clk_hclk_psys.clk,
411 .enable = s5pv210_clk_ip2_ctrl,
415 .devname = "s3c-sdhci.2",
416 .parent = &clk_hclk_psys.clk,
417 .enable = s5pv210_clk_ip2_ctrl,
421 .devname = "s3c-sdhci.3",
422 .parent = &clk_hclk_psys.clk,
423 .enable = s5pv210_clk_ip2_ctrl,
427 .parent = &clk_pclk_psys.clk,
428 .enable = s5pv210_clk_ip3_ctrl,
432 .parent = &clk_pclk_psys.clk,
433 .enable = s5pv210_clk_ip3_ctrl,
437 .parent = &clk_pclk_psys.clk,
438 .enable = s5pv210_clk_ip3_ctrl,
442 .devname = "s3c2440-i2c.0",
443 .parent = &clk_pclk_psys.clk,
444 .enable = s5pv210_clk_ip3_ctrl,
448 .devname = "s3c2440-i2c.1",
449 .parent = &clk_pclk_psys.clk,
450 .enable = s5pv210_clk_ip3_ctrl,
451 .ctrlbit = (1 << 10),
454 .devname = "s3c2440-i2c.2",
455 .parent = &clk_pclk_psys.clk,
456 .enable = s5pv210_clk_ip3_ctrl,
460 .devname = "s3c2440-hdmiphy-i2c",
461 .parent = &clk_pclk_psys.clk,
462 .enable = s5pv210_clk_ip3_ctrl,
463 .ctrlbit = (1 << 11),
466 .devname = "s3c64xx-spi.0",
467 .parent = &clk_pclk_psys.clk,
468 .enable = s5pv210_clk_ip3_ctrl,
472 .devname = "s3c64xx-spi.1",
473 .parent = &clk_pclk_psys.clk,
474 .enable = s5pv210_clk_ip3_ctrl,
478 .devname = "s3c64xx-spi.2",
479 .parent = &clk_pclk_psys.clk,
480 .enable = s5pv210_clk_ip3_ctrl,
484 .parent = &clk_pclk_psys.clk,
485 .enable = s5pv210_clk_ip3_ctrl,
489 .parent = &clk_pclk_psys.clk,
490 .enable = s5pv210_clk_ip3_ctrl,
494 .parent = &clk_pclk_psys.clk,
495 .enable = s5pv210_clk_ip3_ctrl,
499 .devname = "samsung-i2s.0",
501 .enable = s5pv210_clk_ip3_ctrl,
505 .devname = "samsung-i2s.1",
507 .enable = s5pv210_clk_ip3_ctrl,
511 .devname = "samsung-i2s.2",
513 .enable = s5pv210_clk_ip3_ctrl,
518 .enable = s5pv210_clk_ip3_ctrl,
523 static struct clk init_clocks[] = {
526 .parent = &clk_hclk_msys.clk,
528 .enable = s5pv210_clk_ip0_ctrl,
529 .ops = &clk_hclk_imem_ops,
532 .devname = "s5pv210-uart.0",
533 .parent = &clk_pclk_psys.clk,
534 .enable = s5pv210_clk_ip3_ctrl,
535 .ctrlbit = (1 << 17),
538 .devname = "s5pv210-uart.1",
539 .parent = &clk_pclk_psys.clk,
540 .enable = s5pv210_clk_ip3_ctrl,
541 .ctrlbit = (1 << 18),
544 .devname = "s5pv210-uart.2",
545 .parent = &clk_pclk_psys.clk,
546 .enable = s5pv210_clk_ip3_ctrl,
547 .ctrlbit = (1 << 19),
550 .devname = "s5pv210-uart.3",
551 .parent = &clk_pclk_psys.clk,
552 .enable = s5pv210_clk_ip3_ctrl,
553 .ctrlbit = (1 << 20),
556 .parent = &clk_hclk_psys.clk,
557 .enable = s5pv210_clk_ip1_ctrl,
558 .ctrlbit = (1 << 26),
562 static struct clk *clkset_uart_list[] = {
563 [6] = &clk_mout_mpll.clk,
564 [7] = &clk_mout_epll.clk,
567 static struct clksrc_sources clkset_uart = {
568 .sources = clkset_uart_list,
569 .nr_sources = ARRAY_SIZE(clkset_uart_list),
572 static struct clk *clkset_group1_list[] = {
573 [0] = &clk_sclk_a2m.clk,
574 [1] = &clk_mout_mpll.clk,
575 [2] = &clk_mout_epll.clk,
576 [3] = &clk_sclk_vpll.clk,
579 static struct clksrc_sources clkset_group1 = {
580 .sources = clkset_group1_list,
581 .nr_sources = ARRAY_SIZE(clkset_group1_list),
584 static struct clk *clkset_sclk_onenand_list[] = {
585 [0] = &clk_hclk_psys.clk,
586 [1] = &clk_hclk_dsys.clk,
589 static struct clksrc_sources clkset_sclk_onenand = {
590 .sources = clkset_sclk_onenand_list,
591 .nr_sources = ARRAY_SIZE(clkset_sclk_onenand_list),
594 static struct clk *clkset_sclk_dac_list[] = {
595 [0] = &clk_sclk_vpll.clk,
596 [1] = &clk_sclk_hdmiphy,
599 static struct clksrc_sources clkset_sclk_dac = {
600 .sources = clkset_sclk_dac_list,
601 .nr_sources = ARRAY_SIZE(clkset_sclk_dac_list),
604 static struct clksrc_clk clk_sclk_dac = {
607 .enable = s5pv210_clk_mask0_ctrl,
610 .sources = &clkset_sclk_dac,
611 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 1 },
614 static struct clksrc_clk clk_sclk_pixel = {
616 .name = "sclk_pixel",
617 .parent = &clk_sclk_vpll.clk,
619 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 4},
622 static struct clk *clkset_sclk_hdmi_list[] = {
623 [0] = &clk_sclk_pixel.clk,
624 [1] = &clk_sclk_hdmiphy,
627 static struct clksrc_sources clkset_sclk_hdmi = {
628 .sources = clkset_sclk_hdmi_list,
629 .nr_sources = ARRAY_SIZE(clkset_sclk_hdmi_list),
632 static struct clksrc_clk clk_sclk_hdmi = {
635 .enable = s5pv210_clk_mask0_ctrl,
638 .sources = &clkset_sclk_hdmi,
639 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 1 },
642 static struct clk *clkset_sclk_mixer_list[] = {
643 [0] = &clk_sclk_dac.clk,
644 [1] = &clk_sclk_hdmi.clk,
647 static struct clksrc_sources clkset_sclk_mixer = {
648 .sources = clkset_sclk_mixer_list,
649 .nr_sources = ARRAY_SIZE(clkset_sclk_mixer_list),
652 static struct clksrc_clk clk_sclk_mixer = {
654 .name = "sclk_mixer",
655 .enable = s5pv210_clk_mask0_ctrl,
658 .sources = &clkset_sclk_mixer,
659 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 },
662 static struct clksrc_clk *sclk_tv[] = {
669 static struct clk *clkset_sclk_audio0_list[] = {
670 [0] = &clk_ext_xtal_mux,
671 [1] = &clk_pcmcdclk0,
672 [2] = &clk_sclk_hdmi27m,
673 [3] = &clk_sclk_usbphy0,
674 [4] = &clk_sclk_usbphy1,
675 [5] = &clk_sclk_hdmiphy,
676 [6] = &clk_mout_mpll.clk,
677 [7] = &clk_mout_epll.clk,
678 [8] = &clk_sclk_vpll.clk,
681 static struct clksrc_sources clkset_sclk_audio0 = {
682 .sources = clkset_sclk_audio0_list,
683 .nr_sources = ARRAY_SIZE(clkset_sclk_audio0_list),
686 static struct clksrc_clk clk_sclk_audio0 = {
688 .name = "sclk_audio",
689 .devname = "soc-audio.0",
690 .enable = s5pv210_clk_mask0_ctrl,
691 .ctrlbit = (1 << 24),
693 .sources = &clkset_sclk_audio0,
694 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 0, .size = 4 },
695 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 0, .size = 4 },
698 static struct clk *clkset_sclk_audio1_list[] = {
699 [0] = &clk_ext_xtal_mux,
700 [1] = &clk_pcmcdclk1,
701 [2] = &clk_sclk_hdmi27m,
702 [3] = &clk_sclk_usbphy0,
703 [4] = &clk_sclk_usbphy1,
704 [5] = &clk_sclk_hdmiphy,
705 [6] = &clk_mout_mpll.clk,
706 [7] = &clk_mout_epll.clk,
707 [8] = &clk_sclk_vpll.clk,
710 static struct clksrc_sources clkset_sclk_audio1 = {
711 .sources = clkset_sclk_audio1_list,
712 .nr_sources = ARRAY_SIZE(clkset_sclk_audio1_list),
715 static struct clksrc_clk clk_sclk_audio1 = {
717 .name = "sclk_audio",
718 .devname = "soc-audio.1",
719 .enable = s5pv210_clk_mask0_ctrl,
720 .ctrlbit = (1 << 25),
722 .sources = &clkset_sclk_audio1,
723 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 4, .size = 4 },
724 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 4, .size = 4 },
727 static struct clk *clkset_sclk_audio2_list[] = {
728 [0] = &clk_ext_xtal_mux,
729 [1] = &clk_pcmcdclk0,
730 [2] = &clk_sclk_hdmi27m,
731 [3] = &clk_sclk_usbphy0,
732 [4] = &clk_sclk_usbphy1,
733 [5] = &clk_sclk_hdmiphy,
734 [6] = &clk_mout_mpll.clk,
735 [7] = &clk_mout_epll.clk,
736 [8] = &clk_sclk_vpll.clk,
739 static struct clksrc_sources clkset_sclk_audio2 = {
740 .sources = clkset_sclk_audio2_list,
741 .nr_sources = ARRAY_SIZE(clkset_sclk_audio2_list),
744 static struct clksrc_clk clk_sclk_audio2 = {
746 .name = "sclk_audio",
747 .devname = "soc-audio.2",
748 .enable = s5pv210_clk_mask0_ctrl,
749 .ctrlbit = (1 << 26),
751 .sources = &clkset_sclk_audio2,
752 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 8, .size = 4 },
753 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 8, .size = 4 },
756 static struct clk *clkset_sclk_spdif_list[] = {
757 [0] = &clk_sclk_audio0.clk,
758 [1] = &clk_sclk_audio1.clk,
759 [2] = &clk_sclk_audio2.clk,
762 static struct clksrc_sources clkset_sclk_spdif = {
763 .sources = clkset_sclk_spdif_list,
764 .nr_sources = ARRAY_SIZE(clkset_sclk_spdif_list),
767 static struct clksrc_clk clk_sclk_spdif = {
769 .name = "sclk_spdif",
770 .enable = s5pv210_clk_mask0_ctrl,
771 .ctrlbit = (1 << 27),
772 .ops = &s5p_sclk_spdif_ops,
774 .sources = &clkset_sclk_spdif,
775 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 },
778 static struct clk *clkset_group2_list[] = {
779 [0] = &clk_ext_xtal_mux,
781 [2] = &clk_sclk_hdmi27m,
782 [3] = &clk_sclk_usbphy0,
783 [4] = &clk_sclk_usbphy1,
784 [5] = &clk_sclk_hdmiphy,
785 [6] = &clk_mout_mpll.clk,
786 [7] = &clk_mout_epll.clk,
787 [8] = &clk_sclk_vpll.clk,
790 static struct clksrc_sources clkset_group2 = {
791 .sources = clkset_group2_list,
792 .nr_sources = ARRAY_SIZE(clkset_group2_list),
795 static struct clksrc_clk clksrcs[] = {
800 .sources = &clkset_group1,
801 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
802 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
805 .name = "sclk_onenand",
807 .sources = &clkset_sclk_onenand,
808 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 28, .size = 1 },
809 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 12, .size = 3 },
813 .devname = "s5pv210-uart.0",
814 .enable = s5pv210_clk_mask0_ctrl,
815 .ctrlbit = (1 << 12),
817 .sources = &clkset_uart,
818 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 16, .size = 4 },
819 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
823 .devname = "s5pv210-uart.1",
824 .enable = s5pv210_clk_mask0_ctrl,
825 .ctrlbit = (1 << 13),
827 .sources = &clkset_uart,
828 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 20, .size = 4 },
829 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 },
833 .devname = "s5pv210-uart.2",
834 .enable = s5pv210_clk_mask0_ctrl,
835 .ctrlbit = (1 << 14),
837 .sources = &clkset_uart,
838 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 24, .size = 4 },
839 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 24, .size = 4 },
843 .devname = "s5pv210-uart.3",
844 .enable = s5pv210_clk_mask0_ctrl,
845 .ctrlbit = (1 << 15),
847 .sources = &clkset_uart,
848 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 28, .size = 4 },
849 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 28, .size = 4 },
853 .devname = "s5pv210-fimc.0",
854 .enable = s5pv210_clk_mask1_ctrl,
857 .sources = &clkset_group2,
858 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 4 },
859 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 },
863 .devname = "s5pv210-fimc.1",
864 .enable = s5pv210_clk_mask1_ctrl,
867 .sources = &clkset_group2,
868 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 4 },
869 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 16, .size = 4 },
873 .devname = "s5pv210-fimc.2",
874 .enable = s5pv210_clk_mask1_ctrl,
877 .sources = &clkset_group2,
878 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 4 },
879 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
883 .enable = s5pv210_clk_mask0_ctrl,
886 .sources = &clkset_group2,
887 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 4 },
888 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 },
892 .enable = s5pv210_clk_mask0_ctrl,
895 .sources = &clkset_group2,
896 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 16, .size = 4 },
897 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 16, .size = 4 },
901 .enable = s5pv210_clk_mask0_ctrl,
904 .sources = &clkset_group2,
905 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 20, .size = 4 },
906 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 20, .size = 4 },
910 .devname = "s3c-sdhci.0",
911 .enable = s5pv210_clk_mask0_ctrl,
914 .sources = &clkset_group2,
915 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 0, .size = 4 },
916 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 0, .size = 4 },
920 .devname = "s3c-sdhci.1",
921 .enable = s5pv210_clk_mask0_ctrl,
924 .sources = &clkset_group2,
925 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 4, .size = 4 },
926 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 4, .size = 4 },
930 .devname = "s3c-sdhci.2",
931 .enable = s5pv210_clk_mask0_ctrl,
932 .ctrlbit = (1 << 10),
934 .sources = &clkset_group2,
935 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 8, .size = 4 },
936 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 8, .size = 4 },
940 .devname = "s3c-sdhci.3",
941 .enable = s5pv210_clk_mask0_ctrl,
942 .ctrlbit = (1 << 11),
944 .sources = &clkset_group2,
945 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 12, .size = 4 },
946 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 },
950 .devname = "s5p-mfc",
951 .enable = s5pv210_clk_ip0_ctrl,
952 .ctrlbit = (1 << 16),
954 .sources = &clkset_group1,
955 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 4, .size = 2 },
956 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
960 .enable = s5pv210_clk_ip0_ctrl,
961 .ctrlbit = (1 << 12),
963 .sources = &clkset_group1,
964 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 },
965 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 },
969 .enable = s5pv210_clk_ip0_ctrl,
972 .sources = &clkset_group1,
973 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 0, .size = 2 },
974 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
978 .enable = s5pv210_clk_mask0_ctrl,
981 .sources = &clkset_group2,
982 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 24, .size = 4 },
983 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 28, .size = 4 },
987 .devname = "s3c64xx-spi.0",
988 .enable = s5pv210_clk_mask0_ctrl,
989 .ctrlbit = (1 << 16),
991 .sources = &clkset_group2,
992 .reg_src = { .reg = S5P_CLK_SRC5, .shift = 0, .size = 4 },
993 .reg_div = { .reg = S5P_CLK_DIV5, .shift = 0, .size = 4 },
997 .devname = "s3c64xx-spi.1",
998 .enable = s5pv210_clk_mask0_ctrl,
999 .ctrlbit = (1 << 17),
1001 .sources = &clkset_group2,
1002 .reg_src = { .reg = S5P_CLK_SRC5, .shift = 4, .size = 4 },
1003 .reg_div = { .reg = S5P_CLK_DIV5, .shift = 4, .size = 4 },
1007 .enable = s5pv210_clk_mask0_ctrl,
1008 .ctrlbit = (1 << 29),
1010 .sources = &clkset_group2,
1011 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 20, .size = 4 },
1012 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 24, .size = 4 },
1016 .enable = s5pv210_clk_mask0_ctrl,
1017 .ctrlbit = (1 << 19),
1019 .sources = &clkset_group2,
1020 .reg_src = { .reg = S5P_CLK_SRC5, .shift = 12, .size = 4 },
1021 .reg_div = { .reg = S5P_CLK_DIV5, .shift = 12, .size = 4 },
1025 /* Clock initialisation code */
1026 static struct clksrc_clk *sysclks[] = {
1048 static u32 epll_div[][6] = {
1049 { 48000000, 0, 48, 3, 3, 0 },
1050 { 96000000, 0, 48, 3, 2, 0 },
1051 { 144000000, 1, 72, 3, 2, 0 },
1052 { 192000000, 0, 48, 3, 1, 0 },
1053 { 288000000, 1, 72, 3, 1, 0 },
1054 { 32750000, 1, 65, 3, 4, 35127 },
1055 { 32768000, 1, 65, 3, 4, 35127 },
1056 { 45158400, 0, 45, 3, 3, 10355 },
1057 { 45000000, 0, 45, 3, 3, 10355 },
1058 { 45158000, 0, 45, 3, 3, 10355 },
1059 { 49125000, 0, 49, 3, 3, 9961 },
1060 { 49152000, 0, 49, 3, 3, 9961 },
1061 { 67737600, 1, 67, 3, 3, 48366 },
1062 { 67738000, 1, 67, 3, 3, 48366 },
1063 { 73800000, 1, 73, 3, 3, 47710 },
1064 { 73728000, 1, 73, 3, 3, 47710 },
1065 { 36000000, 1, 32, 3, 4, 0 },
1066 { 60000000, 1, 60, 3, 3, 0 },
1067 { 72000000, 1, 72, 3, 3, 0 },
1068 { 80000000, 1, 80, 3, 3, 0 },
1069 { 84000000, 0, 42, 3, 2, 0 },
1070 { 50000000, 0, 50, 3, 3, 0 },
1073 static int s5pv210_epll_set_rate(struct clk *clk, unsigned long rate)
1075 unsigned int epll_con, epll_con_k;
1078 /* Return if nothing changed */
1079 if (clk->rate == rate)
1082 epll_con = __raw_readl(S5P_EPLL_CON);
1083 epll_con_k = __raw_readl(S5P_EPLL_CON1);
1085 epll_con_k &= ~PLL46XX_KDIV_MASK;
1086 epll_con &= ~(1 << 27 |
1087 PLL46XX_MDIV_MASK << PLL46XX_MDIV_SHIFT |
1088 PLL46XX_PDIV_MASK << PLL46XX_PDIV_SHIFT |
1089 PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
1091 for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
1092 if (epll_div[i][0] == rate) {
1093 epll_con_k |= epll_div[i][5] << 0;
1094 epll_con |= (epll_div[i][1] << 27 |
1095 epll_div[i][2] << PLL46XX_MDIV_SHIFT |
1096 epll_div[i][3] << PLL46XX_PDIV_SHIFT |
1097 epll_div[i][4] << PLL46XX_SDIV_SHIFT);
1102 if (i == ARRAY_SIZE(epll_div)) {
1103 printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n",
1108 __raw_writel(epll_con, S5P_EPLL_CON);
1109 __raw_writel(epll_con_k, S5P_EPLL_CON1);
1111 printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
1119 static struct clk_ops s5pv210_epll_ops = {
1120 .set_rate = s5pv210_epll_set_rate,
1121 .get_rate = s5p_epll_get_rate,
1124 static u32 vpll_div[][5] = {
1125 { 54000000, 3, 53, 3, 0 },
1126 { 108000000, 3, 53, 2, 0 },
1129 static unsigned long s5pv210_vpll_get_rate(struct clk *clk)
1134 static int s5pv210_vpll_set_rate(struct clk *clk, unsigned long rate)
1136 unsigned int vpll_con;
1139 /* Return if nothing changed */
1140 if (clk->rate == rate)
1143 vpll_con = __raw_readl(S5P_VPLL_CON);
1144 vpll_con &= ~(0x1 << 27 | \
1145 PLL90XX_MDIV_MASK << PLL90XX_MDIV_SHIFT | \
1146 PLL90XX_PDIV_MASK << PLL90XX_PDIV_SHIFT | \
1147 PLL90XX_SDIV_MASK << PLL90XX_SDIV_SHIFT);
1149 for (i = 0; i < ARRAY_SIZE(vpll_div); i++) {
1150 if (vpll_div[i][0] == rate) {
1151 vpll_con |= vpll_div[i][1] << PLL90XX_PDIV_SHIFT;
1152 vpll_con |= vpll_div[i][2] << PLL90XX_MDIV_SHIFT;
1153 vpll_con |= vpll_div[i][3] << PLL90XX_SDIV_SHIFT;
1154 vpll_con |= vpll_div[i][4] << 27;
1159 if (i == ARRAY_SIZE(vpll_div)) {
1160 printk(KERN_ERR "%s: Invalid Clock VPLL Frequency\n",
1165 __raw_writel(vpll_con, S5P_VPLL_CON);
1167 /* Wait for VPLL lock */
1168 while (!(__raw_readl(S5P_VPLL_CON) & (1 << PLL90XX_LOCKED_SHIFT)))
1174 static struct clk_ops s5pv210_vpll_ops = {
1175 .get_rate = s5pv210_vpll_get_rate,
1176 .set_rate = s5pv210_vpll_set_rate,
1179 void __init_or_cpufreq s5pv210_setup_clocks(void)
1181 struct clk *xtal_clk;
1182 unsigned long vpllsrc;
1183 unsigned long armclk;
1184 unsigned long hclk_msys;
1185 unsigned long hclk_dsys;
1186 unsigned long hclk_psys;
1187 unsigned long pclk_msys;
1188 unsigned long pclk_dsys;
1189 unsigned long pclk_psys;
1195 u32 clkdiv0, clkdiv1;
1197 /* Set functions for clk_fout_epll */
1198 clk_fout_epll.enable = s5p_epll_enable;
1199 clk_fout_epll.ops = &s5pv210_epll_ops;
1201 printk(KERN_DEBUG "%s: registering clocks\n", __func__);
1203 clkdiv0 = __raw_readl(S5P_CLK_DIV0);
1204 clkdiv1 = __raw_readl(S5P_CLK_DIV1);
1206 printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n",
1207 __func__, clkdiv0, clkdiv1);
1209 xtal_clk = clk_get(NULL, "xtal");
1210 BUG_ON(IS_ERR(xtal_clk));
1212 xtal = clk_get_rate(xtal_clk);
1215 printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
1217 apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
1218 mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
1219 epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON),
1220 __raw_readl(S5P_EPLL_CON1), pll_4600);
1221 vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
1222 vpll = s5p_get_pll45xx(vpllsrc, __raw_readl(S5P_VPLL_CON), pll_4502);
1224 clk_fout_apll.ops = &clk_fout_apll_ops;
1225 clk_fout_mpll.rate = mpll;
1226 clk_fout_epll.rate = epll;
1227 clk_fout_vpll.ops = &s5pv210_vpll_ops;
1228 clk_fout_vpll.rate = vpll;
1230 printk(KERN_INFO "S5PV210: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
1231 apll, mpll, epll, vpll);
1233 armclk = clk_get_rate(&clk_armclk.clk);
1234 hclk_msys = clk_get_rate(&clk_hclk_msys.clk);
1235 hclk_dsys = clk_get_rate(&clk_hclk_dsys.clk);
1236 hclk_psys = clk_get_rate(&clk_hclk_psys.clk);
1237 pclk_msys = clk_get_rate(&clk_pclk_msys.clk);
1238 pclk_dsys = clk_get_rate(&clk_pclk_dsys.clk);
1239 pclk_psys = clk_get_rate(&clk_pclk_psys.clk);
1241 printk(KERN_INFO "S5PV210: ARMCLK=%ld, HCLKM=%ld, HCLKD=%ld\n"
1242 "HCLKP=%ld, PCLKM=%ld, PCLKD=%ld, PCLKP=%ld\n",
1243 armclk, hclk_msys, hclk_dsys, hclk_psys,
1244 pclk_msys, pclk_dsys, pclk_psys);
1246 clk_f.rate = armclk;
1247 clk_h.rate = hclk_psys;
1248 clk_p.rate = pclk_psys;
1250 for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
1251 s3c_set_clksrc(&clksrcs[ptr], true);
1254 static struct clk *clks[] __initdata = {
1264 void __init s5pv210_register_clocks(void)
1268 s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
1270 for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
1271 s3c_register_clksrc(sysclks[ptr], 1);
1273 for (ptr = 0; ptr < ARRAY_SIZE(sclk_tv); ptr++)
1274 s3c_register_clksrc(sclk_tv[ptr], 1);
1276 s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
1277 s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
1279 s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1280 s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1282 s3c24xx_register_clock(&dummy_apb_pclk);