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ARM: cpu topology: Add debugfs interface for cpu_power
[cmplus.git] / arch / arm / mach-s5pv210 / clock.c
blob2d599499cefe7f59e15006dd96b71e944e11e742
1 /* linux/arch/arm/mach-s5pv210/clock.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5PV210 - Clock support
7 *
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.
11 */
12
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>
21 #include <linux/io.h>
22
23 #include <mach/map.h>
24
25 #include <plat/cpu-freq.h>
26 #include <mach/regs-clock.h>
27 #include <plat/clock.h>
28 #include <plat/cpu.h>
29 #include <plat/pll.h>
30 #include <plat/s5p-clock.h>
31 #include <plat/clock-clksrc.h>
32 #include <plat/s5pv210.h>
33
34 static unsigned long xtal;
35
36 static struct clksrc_clk clk_mout_apll = {
37 .clk = {
38 .name = "mout_apll",
39 .id = -1,
40 },
41 .sources = &clk_src_apll,
42 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
43 };
44
45 static struct clksrc_clk clk_mout_epll = {
46 .clk = {
47 .name = "mout_epll",
48 .id = -1,
49 },
50 .sources = &clk_src_epll,
51 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 },
52 };
53
54 static struct clksrc_clk clk_mout_mpll = {
55 .clk = {
56 .name = "mout_mpll",
57 .id = -1,
58 },
59 .sources = &clk_src_mpll,
60 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 },
61 };
62
63 static struct clk *clkset_armclk_list[] = {
64 [0] = &clk_mout_apll.clk,
65 [1] = &clk_mout_mpll.clk,
66 };
67
68 static struct clksrc_sources clkset_armclk = {
69 .sources = clkset_armclk_list,
70 .nr_sources = ARRAY_SIZE(clkset_armclk_list),
71 };
72
73 static struct clksrc_clk clk_armclk = {
74 .clk = {
75 .name = "armclk",
76 .id = -1,
77 },
78 .sources = &clkset_armclk,
79 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 1 },
80 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 3 },
81 };
82
83 static struct clksrc_clk clk_hclk_msys = {
84 .clk = {
85 .name = "hclk_msys",
86 .id = -1,
87 .parent = &clk_armclk.clk,
88 },
89 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 },
90 };
91
92 static struct clksrc_clk clk_pclk_msys = {
93 .clk = {
94 .name = "pclk_msys",
95 .id = -1,
96 .parent = &clk_hclk_msys.clk,
97 },
98 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 },
99 };
100
101 static struct clksrc_clk clk_sclk_a2m = {
102 .clk = {
103 .name = "sclk_a2m",
104 .id = -1,
105 .parent = &clk_mout_apll.clk,
106 },
107 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 },
108 };
109
110 static struct clk *clkset_hclk_sys_list[] = {
111 [0] = &clk_mout_mpll.clk,
112 [1] = &clk_sclk_a2m.clk,
113 };
114
115 static struct clksrc_sources clkset_hclk_sys = {
116 .sources = clkset_hclk_sys_list,
117 .nr_sources = ARRAY_SIZE(clkset_hclk_sys_list),
118 };
119
120 static struct clksrc_clk clk_hclk_dsys = {
121 .clk = {
122 .name = "hclk_dsys",
123 .id = -1,
124 },
125 .sources = &clkset_hclk_sys,
126 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 },
127 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 4 },
128 };
129
130 static struct clksrc_clk clk_pclk_dsys = {
131 .clk = {
132 .name = "pclk_dsys",
133 .id = -1,
134 .parent = &clk_hclk_dsys.clk,
135 },
136 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 20, .size = 3 },
137 };
138
139 static struct clksrc_clk clk_hclk_psys = {
140 .clk = {
141 .name = "hclk_psys",
142 .id = -1,
143 },
144 .sources = &clkset_hclk_sys,
145 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 24, .size = 1 },
146 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 24, .size = 4 },
147 };
148
149 static struct clksrc_clk clk_pclk_psys = {
150 .clk = {
151 .name = "pclk_psys",
152 .id = -1,
153 .parent = &clk_hclk_psys.clk,
154 },
155 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 28, .size = 3 },
156 };
157
158 static int s5pv210_clk_ip0_ctrl(struct clk *clk, int enable)
159 {
160 return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable);
161 }
162
163 static int s5pv210_clk_ip1_ctrl(struct clk *clk, int enable)
164 {
165 return s5p_gatectrl(S5P_CLKGATE_IP1, clk, enable);
166 }
167
168 static int s5pv210_clk_ip2_ctrl(struct clk *clk, int enable)
169 {
170 return s5p_gatectrl(S5P_CLKGATE_IP2, clk, enable);
171 }
172
173 static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable)
174 {
175 return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
176 }
177
178 static int s5pv210_clk_mask0_ctrl(struct clk *clk, int enable)
179 {
180 return s5p_gatectrl(S5P_CLK_SRC_MASK0, clk, enable);
181 }
182
183 static int s5pv210_clk_mask1_ctrl(struct clk *clk, int enable)
184 {
185 return s5p_gatectrl(S5P_CLK_SRC_MASK1, clk, enable);
186 }
187
188 static struct clk clk_sclk_hdmi27m = {
189 .name = "sclk_hdmi27m",
190 .id = -1,
191 .rate = 27000000,
192 };
193
194 static struct clk clk_sclk_hdmiphy = {
195 .name = "sclk_hdmiphy",
196 .id = -1,
197 };
198
199 static struct clk clk_sclk_usbphy0 = {
200 .name = "sclk_usbphy0",
201 .id = -1,
202 };
203
204 static struct clk clk_sclk_usbphy1 = {
205 .name = "sclk_usbphy1",
206 .id = -1,
207 };
208
209 static struct clk clk_pcmcdclk0 = {
210 .name = "pcmcdclk",
211 .id = -1,
212 };
213
214 static struct clk clk_pcmcdclk1 = {
215 .name = "pcmcdclk",
216 .id = -1,
217 };
218
219 static struct clk clk_pcmcdclk2 = {
220 .name = "pcmcdclk",
221 .id = -1,
222 };
223
224 static struct clk *clkset_vpllsrc_list[] = {
225 [0] = &clk_fin_vpll,
226 [1] = &clk_sclk_hdmi27m,
227 };
228
229 static struct clksrc_sources clkset_vpllsrc = {
230 .sources = clkset_vpllsrc_list,
231 .nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
232 };
233
234 static struct clksrc_clk clk_vpllsrc = {
235 .clk = {
236 .name = "vpll_src",
237 .id = -1,
238 .enable = s5pv210_clk_mask0_ctrl,
239 .ctrlbit = (1 << 7),
240 },
241 .sources = &clkset_vpllsrc,
242 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 28, .size = 1 },
243 };
244
245 static struct clk *clkset_sclk_vpll_list[] = {
246 [0] = &clk_vpllsrc.clk,
247 [1] = &clk_fout_vpll,
248 };
249
250 static struct clksrc_sources clkset_sclk_vpll = {
251 .sources = clkset_sclk_vpll_list,
252 .nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
253 };
254
255 static struct clksrc_clk clk_sclk_vpll = {
256 .clk = {
257 .name = "sclk_vpll",
258 .id = -1,
259 },
260 .sources = &clkset_sclk_vpll,
261 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 },
262 };
263
264 static struct clk *clkset_moutdmc0src_list[] = {
265 [0] = &clk_sclk_a2m.clk,
266 [1] = &clk_mout_mpll.clk,
267 [2] = NULL,
268 [3] = NULL,
269 };
270
271 static struct clksrc_sources clkset_moutdmc0src = {
272 .sources = clkset_moutdmc0src_list,
273 .nr_sources = ARRAY_SIZE(clkset_moutdmc0src_list),
274 };
275
276 static struct clksrc_clk clk_mout_dmc0 = {
277 .clk = {
278 .name = "mout_dmc0",
279 .id = -1,
280 },
281 .sources = &clkset_moutdmc0src,
282 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
283 };
284
285 static struct clksrc_clk clk_sclk_dmc0 = {
286 .clk = {
287 .name = "sclk_dmc0",
288 .id = -1,
289 .parent = &clk_mout_dmc0.clk,
290 },
291 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
292 };
293
294 static unsigned long s5pv210_clk_imem_get_rate(struct clk *clk)
295 {
296 return clk_get_rate(clk->parent) / 2;
297 }
298
299 static struct clk_ops clk_hclk_imem_ops = {
300 .get_rate = s5pv210_clk_imem_get_rate,
301 };
302
303 static unsigned long s5pv210_clk_fout_apll_get_rate(struct clk *clk)
304 {
305 return s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
306 }
307
308 static struct clk_ops clk_fout_apll_ops = {
309 .get_rate = s5pv210_clk_fout_apll_get_rate,
310 };
311
312 static struct clk init_clocks_off[] = {
313 {
314 .name = "pdma",
315 .id = 0,
316 .parent = &clk_hclk_psys.clk,
317 .enable = s5pv210_clk_ip0_ctrl,
318 .ctrlbit = (1 << 3),
319 }, {
320 .name = "pdma",
321 .id = 1,
322 .parent = &clk_hclk_psys.clk,
323 .enable = s5pv210_clk_ip0_ctrl,
324 .ctrlbit = (1 << 4),
325 }, {
326 .name = "rot",
327 .id = -1,
328 .parent = &clk_hclk_dsys.clk,
329 .enable = s5pv210_clk_ip0_ctrl,
330 .ctrlbit = (1<<29),
331 }, {
332 .name = "fimc",
333 .id = 0,
334 .parent = &clk_hclk_dsys.clk,
335 .enable = s5pv210_clk_ip0_ctrl,
336 .ctrlbit = (1 << 24),
337 }, {
338 .name = "fimc",
339 .id = 1,
340 .parent = &clk_hclk_dsys.clk,
341 .enable = s5pv210_clk_ip0_ctrl,
342 .ctrlbit = (1 << 25),
343 }, {
344 .name = "fimc",
345 .id = 2,
346 .parent = &clk_hclk_dsys.clk,
347 .enable = s5pv210_clk_ip0_ctrl,
348 .ctrlbit = (1 << 26),
349 }, {
350 .name = "otg",
351 .id = -1,
352 .parent = &clk_hclk_psys.clk,
353 .enable = s5pv210_clk_ip1_ctrl,
354 .ctrlbit = (1<<16),
355 }, {
356 .name = "usb-host",
357 .id = -1,
358 .parent = &clk_hclk_psys.clk,
359 .enable = s5pv210_clk_ip1_ctrl,
360 .ctrlbit = (1<<17),
361 }, {
362 .name = "lcd",
363 .id = -1,
364 .parent = &clk_hclk_dsys.clk,
365 .enable = s5pv210_clk_ip1_ctrl,
366 .ctrlbit = (1<<0),
367 }, {
368 .name = "cfcon",
369 .id = 0,
370 .parent = &clk_hclk_psys.clk,
371 .enable = s5pv210_clk_ip1_ctrl,
372 .ctrlbit = (1<<25),
373 }, {
374 .name = "hsmmc",
375 .id = 0,
376 .parent = &clk_hclk_psys.clk,
377 .enable = s5pv210_clk_ip2_ctrl,
378 .ctrlbit = (1<<16),
379 }, {
380 .name = "hsmmc",
381 .id = 1,
382 .parent = &clk_hclk_psys.clk,
383 .enable = s5pv210_clk_ip2_ctrl,
384 .ctrlbit = (1<<17),
385 }, {
386 .name = "hsmmc",
387 .id = 2,
388 .parent = &clk_hclk_psys.clk,
389 .enable = s5pv210_clk_ip2_ctrl,
390 .ctrlbit = (1<<18),
391 }, {
392 .name = "hsmmc",
393 .id = 3,
394 .parent = &clk_hclk_psys.clk,
395 .enable = s5pv210_clk_ip2_ctrl,
396 .ctrlbit = (1<<19),
397 }, {
398 .name = "systimer",
399 .id = -1,
400 .parent = &clk_pclk_psys.clk,
401 .enable = s5pv210_clk_ip3_ctrl,
402 .ctrlbit = (1<<16),
403 }, {
404 .name = "watchdog",
405 .id = -1,
406 .parent = &clk_pclk_psys.clk,
407 .enable = s5pv210_clk_ip3_ctrl,
408 .ctrlbit = (1<<22),
409 }, {
410 .name = "rtc",
411 .id = -1,
412 .parent = &clk_pclk_psys.clk,
413 .enable = s5pv210_clk_ip3_ctrl,
414 .ctrlbit = (1<<15),
415 }, {
416 .name = "i2c",
417 .id = 0,
418 .parent = &clk_pclk_psys.clk,
419 .enable = s5pv210_clk_ip3_ctrl,
420 .ctrlbit = (1<<7),
421 }, {
422 .name = "i2c",
423 .id = 1,
424 .parent = &clk_pclk_psys.clk,
425 .enable = s5pv210_clk_ip3_ctrl,
426 .ctrlbit = (1 << 10),
427 }, {
428 .name = "i2c",
429 .id = 2,
430 .parent = &clk_pclk_psys.clk,
431 .enable = s5pv210_clk_ip3_ctrl,
432 .ctrlbit = (1<<9),
433 }, {
434 .name = "spi",
435 .id = 0,
436 .parent = &clk_pclk_psys.clk,
437 .enable = s5pv210_clk_ip3_ctrl,
438 .ctrlbit = (1<<12),
439 }, {
440 .name = "spi",
441 .id = 1,
442 .parent = &clk_pclk_psys.clk,
443 .enable = s5pv210_clk_ip3_ctrl,
444 .ctrlbit = (1<<13),
445 }, {
446 .name = "spi",
447 .id = 2,
448 .parent = &clk_pclk_psys.clk,
449 .enable = s5pv210_clk_ip3_ctrl,
450 .ctrlbit = (1<<14),
451 }, {
452 .name = "timers",
453 .id = -1,
454 .parent = &clk_pclk_psys.clk,
455 .enable = s5pv210_clk_ip3_ctrl,
456 .ctrlbit = (1<<23),
457 }, {
458 .name = "adc",
459 .id = -1,
460 .parent = &clk_pclk_psys.clk,
461 .enable = s5pv210_clk_ip3_ctrl,
462 .ctrlbit = (1<<24),
463 }, {
464 .name = "keypad",
465 .id = -1,
466 .parent = &clk_pclk_psys.clk,
467 .enable = s5pv210_clk_ip3_ctrl,
468 .ctrlbit = (1<<21),
469 }, {
470 .name = "iis",
471 .id = 0,
472 .parent = &clk_p,
473 .enable = s5pv210_clk_ip3_ctrl,
474 .ctrlbit = (1<<4),
475 }, {
476 .name = "iis",
477 .id = 1,
478 .parent = &clk_p,
479 .enable = s5pv210_clk_ip3_ctrl,
480 .ctrlbit = (1 << 5),
481 }, {
482 .name = "iis",
483 .id = 2,
484 .parent = &clk_p,
485 .enable = s5pv210_clk_ip3_ctrl,
486 .ctrlbit = (1 << 6),
487 }, {
488 .name = "spdif",
489 .id = -1,
490 .parent = &clk_p,
491 .enable = s5pv210_clk_ip3_ctrl,
492 .ctrlbit = (1 << 0),
493 },
494 };
495
496 static struct clk init_clocks[] = {
497 {
498 .name = "hclk_imem",
499 .id = -1,
500 .parent = &clk_hclk_msys.clk,
501 .ctrlbit = (1 << 5),
502 .enable = s5pv210_clk_ip0_ctrl,
503 .ops = &clk_hclk_imem_ops,
504 }, {
505 .name = "uart",
506 .id = 0,
507 .parent = &clk_pclk_psys.clk,
508 .enable = s5pv210_clk_ip3_ctrl,
509 .ctrlbit = (1 << 17),
510 }, {
511 .name = "uart",
512 .id = 1,
513 .parent = &clk_pclk_psys.clk,
514 .enable = s5pv210_clk_ip3_ctrl,
515 .ctrlbit = (1 << 18),
516 }, {
517 .name = "uart",
518 .id = 2,
519 .parent = &clk_pclk_psys.clk,
520 .enable = s5pv210_clk_ip3_ctrl,
521 .ctrlbit = (1 << 19),
522 }, {
523 .name = "uart",
524 .id = 3,
525 .parent = &clk_pclk_psys.clk,
526 .enable = s5pv210_clk_ip3_ctrl,
527 .ctrlbit = (1 << 20),
528 }, {
529 .name = "sromc",
530 .id = -1,
531 .parent = &clk_hclk_psys.clk,
532 .enable = s5pv210_clk_ip1_ctrl,
533 .ctrlbit = (1 << 26),
534 },
535 };
536
537 static struct clk *clkset_uart_list[] = {
538 [6] = &clk_mout_mpll.clk,
539 [7] = &clk_mout_epll.clk,
540 };
541
542 static struct clksrc_sources clkset_uart = {
543 .sources = clkset_uart_list,
544 .nr_sources = ARRAY_SIZE(clkset_uart_list),
545 };
546
547 static struct clk *clkset_group1_list[] = {
548 [0] = &clk_sclk_a2m.clk,
549 [1] = &clk_mout_mpll.clk,
550 [2] = &clk_mout_epll.clk,
551 [3] = &clk_sclk_vpll.clk,
552 };
553
554 static struct clksrc_sources clkset_group1 = {
555 .sources = clkset_group1_list,
556 .nr_sources = ARRAY_SIZE(clkset_group1_list),
557 };
558
559 static struct clk *clkset_sclk_onenand_list[] = {
560 [0] = &clk_hclk_psys.clk,
561 [1] = &clk_hclk_dsys.clk,
562 };
563
564 static struct clksrc_sources clkset_sclk_onenand = {
565 .sources = clkset_sclk_onenand_list,
566 .nr_sources = ARRAY_SIZE(clkset_sclk_onenand_list),
567 };
568
569 static struct clk *clkset_sclk_dac_list[] = {
570 [0] = &clk_sclk_vpll.clk,
571 [1] = &clk_sclk_hdmiphy,
572 };
573
574 static struct clksrc_sources clkset_sclk_dac = {
575 .sources = clkset_sclk_dac_list,
576 .nr_sources = ARRAY_SIZE(clkset_sclk_dac_list),
577 };
578
579 static struct clksrc_clk clk_sclk_dac = {
580 .clk = {
581 .name = "sclk_dac",
582 .id = -1,
583 .enable = s5pv210_clk_mask0_ctrl,
584 .ctrlbit = (1 << 2),
585 },
586 .sources = &clkset_sclk_dac,
587 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 1 },
588 };
589
590 static struct clksrc_clk clk_sclk_pixel = {
591 .clk = {
592 .name = "sclk_pixel",
593 .id = -1,
594 .parent = &clk_sclk_vpll.clk,
595 },
596 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 4},
597 };
598
599 static struct clk *clkset_sclk_hdmi_list[] = {
600 [0] = &clk_sclk_pixel.clk,
601 [1] = &clk_sclk_hdmiphy,
602 };
603
604 static struct clksrc_sources clkset_sclk_hdmi = {
605 .sources = clkset_sclk_hdmi_list,
606 .nr_sources = ARRAY_SIZE(clkset_sclk_hdmi_list),
607 };
608
609 static struct clksrc_clk clk_sclk_hdmi = {
610 .clk = {
611 .name = "sclk_hdmi",
612 .id = -1,
613 .enable = s5pv210_clk_mask0_ctrl,
614 .ctrlbit = (1 << 0),
615 },
616 .sources = &clkset_sclk_hdmi,
617 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 1 },
618 };
619
620 static struct clk *clkset_sclk_mixer_list[] = {
621 [0] = &clk_sclk_dac.clk,
622 [1] = &clk_sclk_hdmi.clk,
623 };
624
625 static struct clksrc_sources clkset_sclk_mixer = {
626 .sources = clkset_sclk_mixer_list,
627 .nr_sources = ARRAY_SIZE(clkset_sclk_mixer_list),
628 };
629
630 static struct clk *clkset_sclk_audio0_list[] = {
631 [0] = &clk_ext_xtal_mux,
632 [1] = &clk_pcmcdclk0,
633 [2] = &clk_sclk_hdmi27m,
634 [3] = &clk_sclk_usbphy0,
635 [4] = &clk_sclk_usbphy1,
636 [5] = &clk_sclk_hdmiphy,
637 [6] = &clk_mout_mpll.clk,
638 [7] = &clk_mout_epll.clk,
639 [8] = &clk_sclk_vpll.clk,
640 };
641
642 static struct clksrc_sources clkset_sclk_audio0 = {
643 .sources = clkset_sclk_audio0_list,
644 .nr_sources = ARRAY_SIZE(clkset_sclk_audio0_list),
645 };
646
647 static struct clksrc_clk clk_sclk_audio0 = {
648 .clk = {
649 .name = "sclk_audio",
650 .id = 0,
651 .enable = s5pv210_clk_mask0_ctrl,
652 .ctrlbit = (1 << 24),
653 },
654 .sources = &clkset_sclk_audio0,
655 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 0, .size = 4 },
656 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 0, .size = 4 },
657 };
658
659 static struct clk *clkset_sclk_audio1_list[] = {
660 [0] = &clk_ext_xtal_mux,
661 [1] = &clk_pcmcdclk1,
662 [2] = &clk_sclk_hdmi27m,
663 [3] = &clk_sclk_usbphy0,
664 [4] = &clk_sclk_usbphy1,
665 [5] = &clk_sclk_hdmiphy,
666 [6] = &clk_mout_mpll.clk,
667 [7] = &clk_mout_epll.clk,
668 [8] = &clk_sclk_vpll.clk,
669 };
670
671 static struct clksrc_sources clkset_sclk_audio1 = {
672 .sources = clkset_sclk_audio1_list,
673 .nr_sources = ARRAY_SIZE(clkset_sclk_audio1_list),
674 };
675
676 static struct clksrc_clk clk_sclk_audio1 = {
677 .clk = {
678 .name = "sclk_audio",
679 .id = 1,
680 .enable = s5pv210_clk_mask0_ctrl,
681 .ctrlbit = (1 << 25),
682 },
683 .sources = &clkset_sclk_audio1,
684 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 4, .size = 4 },
685 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 4, .size = 4 },
686 };
687
688 static struct clk *clkset_sclk_audio2_list[] = {
689 [0] = &clk_ext_xtal_mux,
690 [1] = &clk_pcmcdclk0,
691 [2] = &clk_sclk_hdmi27m,
692 [3] = &clk_sclk_usbphy0,
693 [4] = &clk_sclk_usbphy1,
694 [5] = &clk_sclk_hdmiphy,
695 [6] = &clk_mout_mpll.clk,
696 [7] = &clk_mout_epll.clk,
697 [8] = &clk_sclk_vpll.clk,
698 };
699
700 static struct clksrc_sources clkset_sclk_audio2 = {
701 .sources = clkset_sclk_audio2_list,
702 .nr_sources = ARRAY_SIZE(clkset_sclk_audio2_list),
703 };
704
705 static struct clksrc_clk clk_sclk_audio2 = {
706 .clk = {
707 .name = "sclk_audio",
708 .id = 2,
709 .enable = s5pv210_clk_mask0_ctrl,
710 .ctrlbit = (1 << 26),
711 },
712 .sources = &clkset_sclk_audio2,
713 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 8, .size = 4 },
714 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 8, .size = 4 },
715 };
716
717 static struct clk *clkset_sclk_spdif_list[] = {
718 [0] = &clk_sclk_audio0.clk,
719 [1] = &clk_sclk_audio1.clk,
720 [2] = &clk_sclk_audio2.clk,
721 };
722
723 static struct clksrc_sources clkset_sclk_spdif = {
724 .sources = clkset_sclk_spdif_list,
725 .nr_sources = ARRAY_SIZE(clkset_sclk_spdif_list),
726 };
727
728 static int s5pv210_spdif_set_rate(struct clk *clk, unsigned long rate)
729 {
730 struct clk *pclk;
731 int ret;
732
733 pclk = clk_get_parent(clk);
734 if (IS_ERR(pclk))
735 return -EINVAL;
736
737 ret = pclk->ops->set_rate(pclk, rate);
738 clk_put(pclk);
739
740 return ret;
741 }
742
743 static unsigned long s5pv210_spdif_get_rate(struct clk *clk)
744 {
745 struct clk *pclk;
746 int rate;
747
748 pclk = clk_get_parent(clk);
749 if (IS_ERR(pclk))
750 return -EINVAL;
751
752 rate = pclk->ops->get_rate(clk);
753 clk_put(pclk);
754
755 return rate;
756 }
757
758 static struct clk_ops s5pv210_sclk_spdif_ops = {
759 .set_rate = s5pv210_spdif_set_rate,
760 .get_rate = s5pv210_spdif_get_rate,
761 };
762
763 static struct clksrc_clk clk_sclk_spdif = {
764 .clk = {
765 .name = "sclk_spdif",
766 .id = -1,
767 .enable = s5pv210_clk_mask0_ctrl,
768 .ctrlbit = (1 << 27),
769 .ops = &s5pv210_sclk_spdif_ops,
770 },
771 .sources = &clkset_sclk_spdif,
772 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 },
773 };
774
775 static struct clk *clkset_group2_list[] = {
776 [0] = &clk_ext_xtal_mux,
777 [1] = &clk_xusbxti,
778 [2] = &clk_sclk_hdmi27m,
779 [3] = &clk_sclk_usbphy0,
780 [4] = &clk_sclk_usbphy1,
781 [5] = &clk_sclk_hdmiphy,
782 [6] = &clk_mout_mpll.clk,
783 [7] = &clk_mout_epll.clk,
784 [8] = &clk_sclk_vpll.clk,
785 };
786
787 static struct clksrc_sources clkset_group2 = {
788 .sources = clkset_group2_list,
789 .nr_sources = ARRAY_SIZE(clkset_group2_list),
790 };
791
792 static struct clksrc_clk clksrcs[] = {
793 {
794 .clk = {
795 .name = "sclk_dmc",
796 .id = -1,
797 },
798 .sources = &clkset_group1,
799 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
800 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
801 }, {
802 .clk = {
803 .name = "sclk_onenand",
804 .id = -1,
805 },
806 .sources = &clkset_sclk_onenand,
807 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 28, .size = 1 },
808 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 12, .size = 3 },
809 }, {
810 .clk = {
811 .name = "uclk1",
812 .id = 0,
813 .enable = s5pv210_clk_mask0_ctrl,
814 .ctrlbit = (1 << 12),
815 },
816 .sources = &clkset_uart,
817 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 16, .size = 4 },
818 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
819 }, {
820 .clk = {
821 .name = "uclk1",
822 .id = 1,
823 .enable = s5pv210_clk_mask0_ctrl,
824 .ctrlbit = (1 << 13),
825 },
826 .sources = &clkset_uart,
827 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 20, .size = 4 },
828 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 },
829 }, {
830 .clk = {
831 .name = "uclk1",
832 .id = 2,
833 .enable = s5pv210_clk_mask0_ctrl,
834 .ctrlbit = (1 << 14),
835 },
836 .sources = &clkset_uart,
837 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 24, .size = 4 },
838 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 24, .size = 4 },
839 }, {
840 .clk = {
841 .name = "uclk1",
842 .id = 3,
843 .enable = s5pv210_clk_mask0_ctrl,
844 .ctrlbit = (1 << 15),
845 },
846 .sources = &clkset_uart,
847 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 28, .size = 4 },
848 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 28, .size = 4 },
849 }, {
850 .clk = {
851 .name = "sclk_mixer",
852 .id = -1,
853 .enable = s5pv210_clk_mask0_ctrl,
854 .ctrlbit = (1 << 1),
855 },
856 .sources = &clkset_sclk_mixer,
857 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 },
858 }, {
859 .clk = {
860 .name = "sclk_fimc",
861 .id = 0,
862 .enable = s5pv210_clk_mask1_ctrl,
863 .ctrlbit = (1 << 2),
864 },
865 .sources = &clkset_group2,
866 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 4 },
867 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 },
868 }, {
869 .clk = {
870 .name = "sclk_fimc",
871 .id = 1,
872 .enable = s5pv210_clk_mask1_ctrl,
873 .ctrlbit = (1 << 3),
874 },
875 .sources = &clkset_group2,
876 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 4 },
877 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 16, .size = 4 },
878 }, {
879 .clk = {
880 .name = "sclk_fimc",
881 .id = 2,
882 .enable = s5pv210_clk_mask1_ctrl,
883 .ctrlbit = (1 << 4),
884 },
885 .sources = &clkset_group2,
886 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 4 },
887 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
888 }, {
889 .clk = {
890 .name = "sclk_cam",
891 .id = 0,
892 .enable = s5pv210_clk_mask0_ctrl,
893 .ctrlbit = (1 << 3),
894 },
895 .sources = &clkset_group2,
896 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 4 },
897 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 },
898 }, {
899 .clk = {
900 .name = "sclk_cam",
901 .id = 1,
902 .enable = s5pv210_clk_mask0_ctrl,
903 .ctrlbit = (1 << 4),
904 },
905 .sources = &clkset_group2,
906 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 16, .size = 4 },
907 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 16, .size = 4 },
908 }, {
909 .clk = {
910 .name = "sclk_fimd",
911 .id = -1,
912 .enable = s5pv210_clk_mask0_ctrl,
913 .ctrlbit = (1 << 5),
914 },
915 .sources = &clkset_group2,
916 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 20, .size = 4 },
917 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 20, .size = 4 },
918 }, {
919 .clk = {
920 .name = "sclk_mmc",
921 .id = 0,
922 .enable = s5pv210_clk_mask0_ctrl,
923 .ctrlbit = (1 << 8),
924 },
925 .sources = &clkset_group2,
926 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 0, .size = 4 },
927 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 0, .size = 4 },
928 }, {
929 .clk = {
930 .name = "sclk_mmc",
931 .id = 1,
932 .enable = s5pv210_clk_mask0_ctrl,
933 .ctrlbit = (1 << 9),
934 },
935 .sources = &clkset_group2,
936 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 4, .size = 4 },
937 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 4, .size = 4 },
938 }, {
939 .clk = {
940 .name = "sclk_mmc",
941 .id = 2,
942 .enable = s5pv210_clk_mask0_ctrl,
943 .ctrlbit = (1 << 10),
944 },
945 .sources = &clkset_group2,
946 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 8, .size = 4 },
947 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 8, .size = 4 },
948 }, {
949 .clk = {
950 .name = "sclk_mmc",
951 .id = 3,
952 .enable = s5pv210_clk_mask0_ctrl,
953 .ctrlbit = (1 << 11),
954 },
955 .sources = &clkset_group2,
956 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 12, .size = 4 },
957 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 },
958 }, {
959 .clk = {
960 .name = "sclk_mfc",
961 .id = -1,
962 .enable = s5pv210_clk_ip0_ctrl,
963 .ctrlbit = (1 << 16),
964 },
965 .sources = &clkset_group1,
966 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 4, .size = 2 },
967 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
968 }, {
969 .clk = {
970 .name = "sclk_g2d",
971 .id = -1,
972 .enable = s5pv210_clk_ip0_ctrl,
973 .ctrlbit = (1 << 12),
974 },
975 .sources = &clkset_group1,
976 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 },
977 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 },
978 }, {
979 .clk = {
980 .name = "sclk_g3d",
981 .id = -1,
982 .enable = s5pv210_clk_ip0_ctrl,
983 .ctrlbit = (1 << 8),
984 },
985 .sources = &clkset_group1,
986 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 0, .size = 2 },
987 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
988 }, {
989 .clk = {
990 .name = "sclk_csis",
991 .id = -1,
992 .enable = s5pv210_clk_mask0_ctrl,
993 .ctrlbit = (1 << 6),
994 },
995 .sources = &clkset_group2,
996 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 24, .size = 4 },
997 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 28, .size = 4 },
998 }, {
999 .clk = {
1000 .name = "sclk_spi",
1001 .id = 0,
1002 .enable = s5pv210_clk_mask0_ctrl,
1003 .ctrlbit = (1 << 16),
1004 },
1005 .sources = &clkset_group2,
1006 .reg_src = { .reg = S5P_CLK_SRC5, .shift = 0, .size = 4 },
1007 .reg_div = { .reg = S5P_CLK_DIV5, .shift = 0, .size = 4 },
1008 }, {
1009 .clk = {
1010 .name = "sclk_spi",
1011 .id = 1,
1012 .enable = s5pv210_clk_mask0_ctrl,
1013 .ctrlbit = (1 << 17),
1014 },
1015 .sources = &clkset_group2,
1016 .reg_src = { .reg = S5P_CLK_SRC5, .shift = 4, .size = 4 },
1017 .reg_div = { .reg = S5P_CLK_DIV5, .shift = 4, .size = 4 },
1018 }, {
1019 .clk = {
1020 .name = "sclk_pwi",
1021 .id = -1,
1022 .enable = s5pv210_clk_mask0_ctrl,
1023 .ctrlbit = (1 << 29),
1024 },
1025 .sources = &clkset_group2,
1026 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 20, .size = 4 },
1027 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 24, .size = 4 },
1028 }, {
1029 .clk = {
1030 .name = "sclk_pwm",
1031 .id = -1,
1032 .enable = s5pv210_clk_mask0_ctrl,
1033 .ctrlbit = (1 << 19),
1034 },
1035 .sources = &clkset_group2,
1036 .reg_src = { .reg = S5P_CLK_SRC5, .shift = 12, .size = 4 },
1037 .reg_div = { .reg = S5P_CLK_DIV5, .shift = 12, .size = 4 },
1038 },
1039 };
1040
1041 /* Clock initialisation code */
1042 static struct clksrc_clk *sysclks[] = {
1043 &clk_mout_apll,
1044 &clk_mout_epll,
1045 &clk_mout_mpll,
1046 &clk_armclk,
1047 &clk_hclk_msys,
1048 &clk_sclk_a2m,
1049 &clk_hclk_dsys,
1050 &clk_hclk_psys,
1051 &clk_pclk_msys,
1052 &clk_pclk_dsys,
1053 &clk_pclk_psys,
1054 &clk_vpllsrc,
1055 &clk_sclk_vpll,
1056 &clk_sclk_dac,
1057 &clk_sclk_pixel,
1058 &clk_sclk_hdmi,
1059 &clk_mout_dmc0,
1060 &clk_sclk_dmc0,
1061 &clk_sclk_audio0,
1062 &clk_sclk_audio1,
1063 &clk_sclk_audio2,
1064 &clk_sclk_spdif,
1065 };
1066
1067 static u32 epll_div[][6] = {
1068 { 48000000, 0, 48, 3, 3, 0 },
1069 { 96000000, 0, 48, 3, 2, 0 },
1070 { 144000000, 1, 72, 3, 2, 0 },
1071 { 192000000, 0, 48, 3, 1, 0 },
1072 { 288000000, 1, 72, 3, 1, 0 },
1073 { 32750000, 1, 65, 3, 4, 35127 },
1074 { 32768000, 1, 65, 3, 4, 35127 },
1075 { 45158400, 0, 45, 3, 3, 10355 },
1076 { 45000000, 0, 45, 3, 3, 10355 },
1077 { 45158000, 0, 45, 3, 3, 10355 },
1078 { 49125000, 0, 49, 3, 3, 9961 },
1079 { 49152000, 0, 49, 3, 3, 9961 },
1080 { 67737600, 1, 67, 3, 3, 48366 },
1081 { 67738000, 1, 67, 3, 3, 48366 },
1082 { 73800000, 1, 73, 3, 3, 47710 },
1083 { 73728000, 1, 73, 3, 3, 47710 },
1084 { 36000000, 1, 32, 3, 4, 0 },
1085 { 60000000, 1, 60, 3, 3, 0 },
1086 { 72000000, 1, 72, 3, 3, 0 },
1087 { 80000000, 1, 80, 3, 3, 0 },
1088 { 84000000, 0, 42, 3, 2, 0 },
1089 { 50000000, 0, 50, 3, 3, 0 },
1090 };
1091
1092 static int s5pv210_epll_set_rate(struct clk *clk, unsigned long rate)
1093 {
1094 unsigned int epll_con, epll_con_k;
1095 unsigned int i;
1096
1097 /* Return if nothing changed */
1098 if (clk->rate == rate)
1099 return 0;
1100
1101 epll_con = __raw_readl(S5P_EPLL_CON);
1102 epll_con_k = __raw_readl(S5P_EPLL_CON1);
1103
1104 epll_con_k &= ~PLL46XX_KDIV_MASK;
1105 epll_con &= ~(1 << 27 |
1106 PLL46XX_MDIV_MASK << PLL46XX_MDIV_SHIFT |
1107 PLL46XX_PDIV_MASK << PLL46XX_PDIV_SHIFT |
1108 PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
1109
1110 for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
1111 if (epll_div[i][0] == rate) {
1112 epll_con_k |= epll_div[i][5] << 0;
1113 epll_con |= (epll_div[i][1] << 27 |
1114 epll_div[i][2] << PLL46XX_MDIV_SHIFT |
1115 epll_div[i][3] << PLL46XX_PDIV_SHIFT |
1116 epll_div[i][4] << PLL46XX_SDIV_SHIFT);
1117 break;
1118 }
1119 }
1120
1121 if (i == ARRAY_SIZE(epll_div)) {
1122 printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n",
1123 __func__);
1124 return -EINVAL;
1125 }
1126
1127 __raw_writel(epll_con, S5P_EPLL_CON);
1128 __raw_writel(epll_con_k, S5P_EPLL_CON1);
1129
1130 printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
1131 clk->rate, rate);
1132
1133 clk->rate = rate;
1134
1135 return 0;
1136 }
1137
1138 static struct clk_ops s5pv210_epll_ops = {
1139 .set_rate = s5pv210_epll_set_rate,
1140 .get_rate = s5p_epll_get_rate,
1141 };
1142
1143 void __init_or_cpufreq s5pv210_setup_clocks(void)
1144 {
1145 struct clk *xtal_clk;
1146 unsigned long vpllsrc;
1147 unsigned long armclk;
1148 unsigned long hclk_msys;
1149 unsigned long hclk_dsys;
1150 unsigned long hclk_psys;
1151 unsigned long pclk_msys;
1152 unsigned long pclk_dsys;
1153 unsigned long pclk_psys;
1154 unsigned long apll;
1155 unsigned long mpll;
1156 unsigned long epll;
1157 unsigned long vpll;
1158 unsigned int ptr;
1159 u32 clkdiv0, clkdiv1;
1160
1161 /* Set functions for clk_fout_epll */
1162 clk_fout_epll.enable = s5p_epll_enable;
1163 clk_fout_epll.ops = &s5pv210_epll_ops;
1164
1165 printk(KERN_DEBUG "%s: registering clocks\n", __func__);
1166
1167 clkdiv0 = __raw_readl(S5P_CLK_DIV0);
1168 clkdiv1 = __raw_readl(S5P_CLK_DIV1);
1169
1170 printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n",
1171 __func__, clkdiv0, clkdiv1);
1172
1173 xtal_clk = clk_get(NULL, "xtal");
1174 BUG_ON(IS_ERR(xtal_clk));
1175
1176 xtal = clk_get_rate(xtal_clk);
1177 clk_put(xtal_clk);
1178
1179 printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
1180
1181 apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
1182 mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
1183 epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON),
1184 __raw_readl(S5P_EPLL_CON1), pll_4600);
1185 vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
1186 vpll = s5p_get_pll45xx(vpllsrc, __raw_readl(S5P_VPLL_CON), pll_4502);
1187
1188 clk_fout_apll.ops = &clk_fout_apll_ops;
1189 clk_fout_mpll.rate = mpll;
1190 clk_fout_epll.rate = epll;
1191 clk_fout_vpll.rate = vpll;
1192
1193 printk(KERN_INFO "S5PV210: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
1194 apll, mpll, epll, vpll);
1195
1196 armclk = clk_get_rate(&clk_armclk.clk);
1197 hclk_msys = clk_get_rate(&clk_hclk_msys.clk);
1198 hclk_dsys = clk_get_rate(&clk_hclk_dsys.clk);
1199 hclk_psys = clk_get_rate(&clk_hclk_psys.clk);
1200 pclk_msys = clk_get_rate(&clk_pclk_msys.clk);
1201 pclk_dsys = clk_get_rate(&clk_pclk_dsys.clk);
1202 pclk_psys = clk_get_rate(&clk_pclk_psys.clk);
1203
1204 printk(KERN_INFO "S5PV210: ARMCLK=%ld, HCLKM=%ld, HCLKD=%ld\n"
1205 "HCLKP=%ld, PCLKM=%ld, PCLKD=%ld, PCLKP=%ld\n",
1206 armclk, hclk_msys, hclk_dsys, hclk_psys,
1207 pclk_msys, pclk_dsys, pclk_psys);
1208
1209 clk_f.rate = armclk;
1210 clk_h.rate = hclk_psys;
1211 clk_p.rate = pclk_psys;
1212
1213 for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
1214 s3c_set_clksrc(&clksrcs[ptr], true);
1215 }
1216
1217 static struct clk *clks[] __initdata = {
1218 &clk_sclk_hdmi27m,
1219 &clk_sclk_hdmiphy,
1220 &clk_sclk_usbphy0,
1221 &clk_sclk_usbphy1,
1222 &clk_pcmcdclk0,
1223 &clk_pcmcdclk1,
1224 &clk_pcmcdclk2,
1225 };
1226
1227 void __init s5pv210_register_clocks(void)
1228 {
1229 int ptr;
1230
1231 s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
1232
1233 for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
1234 s3c_register_clksrc(sysclks[ptr], 1);
1235
1236 s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
1237 s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
1238
1239 s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1240 s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1241
1242 s3c_pwmclk_init();
1243 }