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Merge branch 'next-s5pv310' into for-next
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / mach-s5pv310 / clock.c
blob753fa446587652f89c2baef4967b2d26db2c1305
1 /* linux/arch/arm/mach-s5pv310/clock.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5PV310 - 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/kernel.h>
14 #include <linux/err.h>
15 #include <linux/io.h>
16
17 #include <plat/cpu-freq.h>
18 #include <plat/clock.h>
19 #include <plat/cpu.h>
20 #include <plat/pll.h>
21 #include <plat/s5p-clock.h>
22 #include <plat/clock-clksrc.h>
23
24 #include <mach/map.h>
25 #include <mach/regs-clock.h>
26
27 static struct clk clk_sclk_hdmi27m = {
28 .name = "sclk_hdmi27m",
29 .id = -1,
30 .rate = 27000000,
31 };
32
33 static struct clk clk_sclk_hdmiphy = {
34 .name = "sclk_hdmiphy",
35 .id = -1,
36 };
37
38 static struct clk clk_sclk_usbphy0 = {
39 .name = "sclk_usbphy0",
40 .id = -1,
41 .rate = 27000000,
42 };
43
44 static struct clk clk_sclk_usbphy1 = {
45 .name = "sclk_usbphy1",
46 .id = -1,
47 };
48
49 static int s5pv310_clksrc_mask_top_ctrl(struct clk *clk, int enable)
50 {
51 return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
52 }
53
54 static int s5pv310_clksrc_mask_cam_ctrl(struct clk *clk, int enable)
55 {
56 return s5p_gatectrl(S5P_CLKSRC_MASK_CAM, clk, enable);
57 }
58
59 static int s5pv310_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable)
60 {
61 return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable);
62 }
63
64 static int s5pv310_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
65 {
66 return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable);
67 }
68
69 static int s5pv310_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
70 {
71 return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
72 }
73
74 static int s5pv310_clksrc_mask_peril0_ctrl(struct clk *clk, int enable)
75 {
76 return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL0, clk, enable);
77 }
78
79 static int s5pv310_clksrc_mask_peril1_ctrl(struct clk *clk, int enable)
80 {
81 return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL1, clk, enable);
82 }
83
84 static int s5pv310_clk_ip_cam_ctrl(struct clk *clk, int enable)
85 {
86 return s5p_gatectrl(S5P_CLKGATE_IP_CAM, clk, enable);
87 }
88
89 static int s5pv310_clk_ip_image_ctrl(struct clk *clk, int enable)
90 {
91 return s5p_gatectrl(S5P_CLKGATE_IP_IMAGE, clk, enable);
92 }
93
94 static int s5pv310_clk_ip_lcd0_ctrl(struct clk *clk, int enable)
95 {
96 return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable);
97 }
98
99 static int s5pv310_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
100 {
101 return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable);
102 }
103
104 static int s5pv310_clk_ip_fsys_ctrl(struct clk *clk, int enable)
105 {
106 return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
107 }
108
109 static int s5pv310_clk_ip_peril_ctrl(struct clk *clk, int enable)
110 {
111 return s5p_gatectrl(S5P_CLKGATE_IP_PERIL, clk, enable);
112 }
113
114 static int s5pv310_clk_ip_perir_ctrl(struct clk *clk, int enable)
115 {
116 return s5p_gatectrl(S5P_CLKGATE_IP_PERIR, clk, enable);
117 }
118
119 /* Core list of CMU_CPU side */
120
121 static struct clksrc_clk clk_mout_apll = {
122 .clk = {
123 .name = "mout_apll",
124 .id = -1,
125 },
126 .sources = &clk_src_apll,
127 .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
128 };
129
130 static struct clksrc_clk clk_sclk_apll = {
131 .clk = {
132 .name = "sclk_apll",
133 .id = -1,
134 .parent = &clk_mout_apll.clk,
135 },
136 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
137 };
138
139 static struct clksrc_clk clk_mout_epll = {
140 .clk = {
141 .name = "mout_epll",
142 .id = -1,
143 },
144 .sources = &clk_src_epll,
145 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 },
146 };
147
148 static struct clksrc_clk clk_mout_mpll = {
149 .clk = {
150 .name = "mout_mpll",
151 .id = -1,
152 },
153 .sources = &clk_src_mpll,
154 .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 },
155 };
156
157 static struct clk *clkset_moutcore_list[] = {
158 [0] = &clk_mout_apll.clk,
159 [1] = &clk_mout_mpll.clk,
160 };
161
162 static struct clksrc_sources clkset_moutcore = {
163 .sources = clkset_moutcore_list,
164 .nr_sources = ARRAY_SIZE(clkset_moutcore_list),
165 };
166
167 static struct clksrc_clk clk_moutcore = {
168 .clk = {
169 .name = "moutcore",
170 .id = -1,
171 },
172 .sources = &clkset_moutcore,
173 .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 16, .size = 1 },
174 };
175
176 static struct clksrc_clk clk_coreclk = {
177 .clk = {
178 .name = "core_clk",
179 .id = -1,
180 .parent = &clk_moutcore.clk,
181 },
182 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 0, .size = 3 },
183 };
184
185 static struct clksrc_clk clk_armclk = {
186 .clk = {
187 .name = "armclk",
188 .id = -1,
189 .parent = &clk_coreclk.clk,
190 },
191 };
192
193 static struct clksrc_clk clk_aclk_corem0 = {
194 .clk = {
195 .name = "aclk_corem0",
196 .id = -1,
197 .parent = &clk_coreclk.clk,
198 },
199 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
200 };
201
202 static struct clksrc_clk clk_aclk_cores = {
203 .clk = {
204 .name = "aclk_cores",
205 .id = -1,
206 .parent = &clk_coreclk.clk,
207 },
208 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
209 };
210
211 static struct clksrc_clk clk_aclk_corem1 = {
212 .clk = {
213 .name = "aclk_corem1",
214 .id = -1,
215 .parent = &clk_coreclk.clk,
216 },
217 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 8, .size = 3 },
218 };
219
220 static struct clksrc_clk clk_periphclk = {
221 .clk = {
222 .name = "periphclk",
223 .id = -1,
224 .parent = &clk_coreclk.clk,
225 },
226 .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 12, .size = 3 },
227 };
228
229 /* Core list of CMU_CORE side */
230
231 static struct clk *clkset_corebus_list[] = {
232 [0] = &clk_mout_mpll.clk,
233 [1] = &clk_sclk_apll.clk,
234 };
235
236 static struct clksrc_sources clkset_mout_corebus = {
237 .sources = clkset_corebus_list,
238 .nr_sources = ARRAY_SIZE(clkset_corebus_list),
239 };
240
241 static struct clksrc_clk clk_mout_corebus = {
242 .clk = {
243 .name = "mout_corebus",
244 .id = -1,
245 },
246 .sources = &clkset_mout_corebus,
247 .reg_src = { .reg = S5P_CLKSRC_DMC, .shift = 4, .size = 1 },
248 };
249
250 static struct clksrc_clk clk_sclk_dmc = {
251 .clk = {
252 .name = "sclk_dmc",
253 .id = -1,
254 .parent = &clk_mout_corebus.clk,
255 },
256 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 12, .size = 3 },
257 };
258
259 static struct clksrc_clk clk_aclk_cored = {
260 .clk = {
261 .name = "aclk_cored",
262 .id = -1,
263 .parent = &clk_sclk_dmc.clk,
264 },
265 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 16, .size = 3 },
266 };
267
268 static struct clksrc_clk clk_aclk_corep = {
269 .clk = {
270 .name = "aclk_corep",
271 .id = -1,
272 .parent = &clk_aclk_cored.clk,
273 },
274 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 20, .size = 3 },
275 };
276
277 static struct clksrc_clk clk_aclk_acp = {
278 .clk = {
279 .name = "aclk_acp",
280 .id = -1,
281 .parent = &clk_mout_corebus.clk,
282 },
283 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 0, .size = 3 },
284 };
285
286 static struct clksrc_clk clk_pclk_acp = {
287 .clk = {
288 .name = "pclk_acp",
289 .id = -1,
290 .parent = &clk_aclk_acp.clk,
291 },
292 .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 4, .size = 3 },
293 };
294
295 /* Core list of CMU_TOP side */
296
297 static struct clk *clkset_aclk_top_list[] = {
298 [0] = &clk_mout_mpll.clk,
299 [1] = &clk_sclk_apll.clk,
300 };
301
302 static struct clksrc_sources clkset_aclk = {
303 .sources = clkset_aclk_top_list,
304 .nr_sources = ARRAY_SIZE(clkset_aclk_top_list),
305 };
306
307 static struct clksrc_clk clk_aclk_200 = {
308 .clk = {
309 .name = "aclk_200",
310 .id = -1,
311 },
312 .sources = &clkset_aclk,
313 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 12, .size = 1 },
314 .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 0, .size = 3 },
315 };
316
317 static struct clksrc_clk clk_aclk_100 = {
318 .clk = {
319 .name = "aclk_100",
320 .id = -1,
321 },
322 .sources = &clkset_aclk,
323 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 16, .size = 1 },
324 .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 4, .size = 4 },
325 };
326
327 static struct clksrc_clk clk_aclk_160 = {
328 .clk = {
329 .name = "aclk_160",
330 .id = -1,
331 },
332 .sources = &clkset_aclk,
333 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 20, .size = 1 },
334 .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 },
335 };
336
337 static struct clksrc_clk clk_aclk_133 = {
338 .clk = {
339 .name = "aclk_133",
340 .id = -1,
341 },
342 .sources = &clkset_aclk,
343 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 24, .size = 1 },
344 .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 12, .size = 3 },
345 };
346
347 static struct clk *clkset_vpllsrc_list[] = {
348 [0] = &clk_fin_vpll,
349 [1] = &clk_sclk_hdmi27m,
350 };
351
352 static struct clksrc_sources clkset_vpllsrc = {
353 .sources = clkset_vpllsrc_list,
354 .nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
355 };
356
357 static struct clksrc_clk clk_vpllsrc = {
358 .clk = {
359 .name = "vpll_src",
360 .id = -1,
361 .enable = s5pv310_clksrc_mask_top_ctrl,
362 .ctrlbit = (1 << 0),
363 },
364 .sources = &clkset_vpllsrc,
365 .reg_src = { .reg = S5P_CLKSRC_TOP1, .shift = 0, .size = 1 },
366 };
367
368 static struct clk *clkset_sclk_vpll_list[] = {
369 [0] = &clk_vpllsrc.clk,
370 [1] = &clk_fout_vpll,
371 };
372
373 static struct clksrc_sources clkset_sclk_vpll = {
374 .sources = clkset_sclk_vpll_list,
375 .nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
376 };
377
378 static struct clksrc_clk clk_sclk_vpll = {
379 .clk = {
380 .name = "sclk_vpll",
381 .id = -1,
382 },
383 .sources = &clkset_sclk_vpll,
384 .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 8, .size = 1 },
385 };
386
387 static struct clk init_clocks_disable[] = {
388 {
389 .name = "timers",
390 .id = -1,
391 .parent = &clk_aclk_100.clk,
392 .enable = s5pv310_clk_ip_peril_ctrl,
393 .ctrlbit = (1<<24),
394 }, {
395 .name = "csis",
396 .id = 0,
397 .enable = s5pv310_clk_ip_cam_ctrl,
398 .ctrlbit = (1 << 4),
399 }, {
400 .name = "csis",
401 .id = 1,
402 .enable = s5pv310_clk_ip_cam_ctrl,
403 .ctrlbit = (1 << 5),
404 }, {
405 .name = "fimc",
406 .id = 0,
407 .enable = s5pv310_clk_ip_cam_ctrl,
408 .ctrlbit = (1 << 0),
409 }, {
410 .name = "fimc",
411 .id = 1,
412 .enable = s5pv310_clk_ip_cam_ctrl,
413 .ctrlbit = (1 << 1),
414 }, {
415 .name = "fimc",
416 .id = 2,
417 .enable = s5pv310_clk_ip_cam_ctrl,
418 .ctrlbit = (1 << 2),
419 }, {
420 .name = "fimc",
421 .id = 3,
422 .enable = s5pv310_clk_ip_cam_ctrl,
423 .ctrlbit = (1 << 3),
424 }, {
425 .name = "fimd",
426 .id = 0,
427 .enable = s5pv310_clk_ip_lcd0_ctrl,
428 .ctrlbit = (1 << 0),
429 }, {
430 .name = "fimd",
431 .id = 1,
432 .enable = s5pv310_clk_ip_lcd1_ctrl,
433 .ctrlbit = (1 << 0),
434 }, {
435 .name = "hsmmc",
436 .id = 0,
437 .parent = &clk_aclk_133.clk,
438 .enable = s5pv310_clk_ip_fsys_ctrl,
439 .ctrlbit = (1 << 5),
440 }, {
441 .name = "hsmmc",
442 .id = 1,
443 .parent = &clk_aclk_133.clk,
444 .enable = s5pv310_clk_ip_fsys_ctrl,
445 .ctrlbit = (1 << 6),
446 }, {
447 .name = "hsmmc",
448 .id = 2,
449 .parent = &clk_aclk_133.clk,
450 .enable = s5pv310_clk_ip_fsys_ctrl,
451 .ctrlbit = (1 << 7),
452 }, {
453 .name = "hsmmc",
454 .id = 3,
455 .parent = &clk_aclk_133.clk,
456 .enable = s5pv310_clk_ip_fsys_ctrl,
457 .ctrlbit = (1 << 8),
458 }, {
459 .name = "hsmmc",
460 .id = 4,
461 .parent = &clk_aclk_133.clk,
462 .enable = s5pv310_clk_ip_fsys_ctrl,
463 .ctrlbit = (1 << 9),
464 }, {
465 .name = "sata",
466 .id = -1,
467 .enable = s5pv310_clk_ip_fsys_ctrl,
468 .ctrlbit = (1 << 10),
469 }, {
470 .name = "pdma",
471 .id = 0,
472 .enable = s5pv310_clk_ip_fsys_ctrl,
473 .ctrlbit = (1 << 0),
474 }, {
475 .name = "pdma",
476 .id = 1,
477 .enable = s5pv310_clk_ip_fsys_ctrl,
478 .ctrlbit = (1 << 1),
479 }, {
480 .name = "adc",
481 .id = -1,
482 .enable = s5pv310_clk_ip_peril_ctrl,
483 .ctrlbit = (1 << 15),
484 }, {
485 .name = "rtc",
486 .id = -1,
487 .enable = s5pv310_clk_ip_perir_ctrl,
488 .ctrlbit = (1 << 15),
489 }, {
490 .name = "watchdog",
491 .id = -1,
492 .enable = s5pv310_clk_ip_perir_ctrl,
493 .ctrlbit = (1 << 14),
494 }, {
495 .name = "usbhost",
496 .id = -1,
497 .enable = s5pv310_clk_ip_fsys_ctrl ,
498 .ctrlbit = (1 << 12),
499 }, {
500 .name = "otg",
501 .id = -1,
502 .enable = s5pv310_clk_ip_fsys_ctrl,
503 .ctrlbit = (1 << 13),
504 }, {
505 .name = "spi",
506 .id = 0,
507 .enable = s5pv310_clk_ip_peril_ctrl,
508 .ctrlbit = (1 << 16),
509 }, {
510 .name = "spi",
511 .id = 1,
512 .enable = s5pv310_clk_ip_peril_ctrl,
513 .ctrlbit = (1 << 17),
514 }, {
515 .name = "spi",
516 .id = 2,
517 .enable = s5pv310_clk_ip_peril_ctrl,
518 .ctrlbit = (1 << 18),
519 }, {
520 .name = "iis",
521 .id = 0,
522 .enable = s5pv310_clk_ip_peril_ctrl,
523 .ctrlbit = (1 << 19),
524 }, {
525 .name = "iis",
526 .id = 1,
527 .enable = s5pv310_clk_ip_peril_ctrl,
528 .ctrlbit = (1 << 20),
529 }, {
530 .name = "iis",
531 .id = 2,
532 .enable = s5pv310_clk_ip_peril_ctrl,
533 .ctrlbit = (1 << 21),
534 }, {
535 .name = "ac97",
536 .id = -1,
537 .enable = s5pv310_clk_ip_peril_ctrl,
538 .ctrlbit = (1 << 27),
539 }, {
540 .name = "fimg2d",
541 .id = -1,
542 .enable = s5pv310_clk_ip_image_ctrl,
543 .ctrlbit = (1 << 0),
544 }, {
545 .name = "i2c",
546 .id = 0,
547 .parent = &clk_aclk_100.clk,
548 .enable = s5pv310_clk_ip_peril_ctrl,
549 .ctrlbit = (1 << 6),
550 }, {
551 .name = "i2c",
552 .id = 1,
553 .parent = &clk_aclk_100.clk,
554 .enable = s5pv310_clk_ip_peril_ctrl,
555 .ctrlbit = (1 << 7),
556 }, {
557 .name = "i2c",
558 .id = 2,
559 .parent = &clk_aclk_100.clk,
560 .enable = s5pv310_clk_ip_peril_ctrl,
561 .ctrlbit = (1 << 8),
562 }, {
563 .name = "i2c",
564 .id = 3,
565 .parent = &clk_aclk_100.clk,
566 .enable = s5pv310_clk_ip_peril_ctrl,
567 .ctrlbit = (1 << 9),
568 }, {
569 .name = "i2c",
570 .id = 4,
571 .parent = &clk_aclk_100.clk,
572 .enable = s5pv310_clk_ip_peril_ctrl,
573 .ctrlbit = (1 << 10),
574 }, {
575 .name = "i2c",
576 .id = 5,
577 .parent = &clk_aclk_100.clk,
578 .enable = s5pv310_clk_ip_peril_ctrl,
579 .ctrlbit = (1 << 11),
580 }, {
581 .name = "i2c",
582 .id = 6,
583 .parent = &clk_aclk_100.clk,
584 .enable = s5pv310_clk_ip_peril_ctrl,
585 .ctrlbit = (1 << 12),
586 }, {
587 .name = "i2c",
588 .id = 7,
589 .parent = &clk_aclk_100.clk,
590 .enable = s5pv310_clk_ip_peril_ctrl,
591 .ctrlbit = (1 << 13),
592 },
593 };
594
595 static struct clk init_clocks[] = {
596 {
597 .name = "uart",
598 .id = 0,
599 .enable = s5pv310_clk_ip_peril_ctrl,
600 .ctrlbit = (1 << 0),
601 }, {
602 .name = "uart",
603 .id = 1,
604 .enable = s5pv310_clk_ip_peril_ctrl,
605 .ctrlbit = (1 << 1),
606 }, {
607 .name = "uart",
608 .id = 2,
609 .enable = s5pv310_clk_ip_peril_ctrl,
610 .ctrlbit = (1 << 2),
611 }, {
612 .name = "uart",
613 .id = 3,
614 .enable = s5pv310_clk_ip_peril_ctrl,
615 .ctrlbit = (1 << 3),
616 }, {
617 .name = "uart",
618 .id = 4,
619 .enable = s5pv310_clk_ip_peril_ctrl,
620 .ctrlbit = (1 << 4),
621 }, {
622 .name = "uart",
623 .id = 5,
624 .enable = s5pv310_clk_ip_peril_ctrl,
625 .ctrlbit = (1 << 5),
626 }
627 };
628
629 static struct clk *clkset_group_list[] = {
630 [0] = &clk_ext_xtal_mux,
631 [1] = &clk_xusbxti,
632 [2] = &clk_sclk_hdmi27m,
633 [3] = &clk_sclk_usbphy0,
634 [4] = &clk_sclk_usbphy1,
635 [5] = &clk_sclk_hdmiphy,
636 [6] = &clk_mout_mpll.clk,
637 [7] = &clk_mout_epll.clk,
638 [8] = &clk_sclk_vpll.clk,
639 };
640
641 static struct clksrc_sources clkset_group = {
642 .sources = clkset_group_list,
643 .nr_sources = ARRAY_SIZE(clkset_group_list),
644 };
645
646 static struct clk *clkset_mout_g2d0_list[] = {
647 [0] = &clk_mout_mpll.clk,
648 [1] = &clk_sclk_apll.clk,
649 };
650
651 static struct clksrc_sources clkset_mout_g2d0 = {
652 .sources = clkset_mout_g2d0_list,
653 .nr_sources = ARRAY_SIZE(clkset_mout_g2d0_list),
654 };
655
656 static struct clksrc_clk clk_mout_g2d0 = {
657 .clk = {
658 .name = "mout_g2d0",
659 .id = -1,
660 },
661 .sources = &clkset_mout_g2d0,
662 .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 0, .size = 1 },
663 };
664
665 static struct clk *clkset_mout_g2d1_list[] = {
666 [0] = &clk_mout_epll.clk,
667 [1] = &clk_sclk_vpll.clk,
668 };
669
670 static struct clksrc_sources clkset_mout_g2d1 = {
671 .sources = clkset_mout_g2d1_list,
672 .nr_sources = ARRAY_SIZE(clkset_mout_g2d1_list),
673 };
674
675 static struct clksrc_clk clk_mout_g2d1 = {
676 .clk = {
677 .name = "mout_g2d1",
678 .id = -1,
679 },
680 .sources = &clkset_mout_g2d1,
681 .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 4, .size = 1 },
682 };
683
684 static struct clk *clkset_mout_g2d_list[] = {
685 [0] = &clk_mout_g2d0.clk,
686 [1] = &clk_mout_g2d1.clk,
687 };
688
689 static struct clksrc_sources clkset_mout_g2d = {
690 .sources = clkset_mout_g2d_list,
691 .nr_sources = ARRAY_SIZE(clkset_mout_g2d_list),
692 };
693
694 static struct clksrc_clk clk_dout_mmc0 = {
695 .clk = {
696 .name = "dout_mmc0",
697 .id = -1,
698 },
699 .sources = &clkset_group,
700 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 0, .size = 4 },
701 .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 0, .size = 4 },
702 };
703
704 static struct clksrc_clk clk_dout_mmc1 = {
705 .clk = {
706 .name = "dout_mmc1",
707 .id = -1,
708 },
709 .sources = &clkset_group,
710 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 4, .size = 4 },
711 .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 16, .size = 4 },
712 };
713
714 static struct clksrc_clk clk_dout_mmc2 = {
715 .clk = {
716 .name = "dout_mmc2",
717 .id = -1,
718 },
719 .sources = &clkset_group,
720 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 8, .size = 4 },
721 .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 0, .size = 4 },
722 };
723
724 static struct clksrc_clk clk_dout_mmc3 = {
725 .clk = {
726 .name = "dout_mmc3",
727 .id = -1,
728 },
729 .sources = &clkset_group,
730 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 12, .size = 4 },
731 .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 16, .size = 4 },
732 };
733
734 static struct clksrc_clk clk_dout_mmc4 = {
735 .clk = {
736 .name = "dout_mmc4",
737 .id = -1,
738 },
739 .sources = &clkset_group,
740 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 16, .size = 4 },
741 .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 0, .size = 4 },
742 };
743
744 static struct clksrc_clk clksrcs[] = {
745 {
746 .clk = {
747 .name = "uclk1",
748 .id = 0,
749 .enable = s5pv310_clksrc_mask_peril0_ctrl,
750 .ctrlbit = (1 << 0),
751 },
752 .sources = &clkset_group,
753 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 0, .size = 4 },
754 .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 0, .size = 4 },
755 }, {
756 .clk = {
757 .name = "uclk1",
758 .id = 1,
759 .enable = s5pv310_clksrc_mask_peril0_ctrl,
760 .ctrlbit = (1 << 4),
761 },
762 .sources = &clkset_group,
763 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 4, .size = 4 },
764 .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 4, .size = 4 },
765 }, {
766 .clk = {
767 .name = "uclk1",
768 .id = 2,
769 .enable = s5pv310_clksrc_mask_peril0_ctrl,
770 .ctrlbit = (1 << 8),
771 },
772 .sources = &clkset_group,
773 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 8, .size = 4 },
774 .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 8, .size = 4 },
775 }, {
776 .clk = {
777 .name = "uclk1",
778 .id = 3,
779 .enable = s5pv310_clksrc_mask_peril0_ctrl,
780 .ctrlbit = (1 << 12),
781 },
782 .sources = &clkset_group,
783 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 12, .size = 4 },
784 .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 12, .size = 4 },
785 }, {
786 .clk = {
787 .name = "sclk_pwm",
788 .id = -1,
789 .enable = s5pv310_clksrc_mask_peril0_ctrl,
790 .ctrlbit = (1 << 24),
791 },
792 .sources = &clkset_group,
793 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 24, .size = 4 },
794 .reg_div = { .reg = S5P_CLKDIV_PERIL3, .shift = 0, .size = 4 },
795 }, {
796 .clk = {
797 .name = "sclk_csis",
798 .id = 0,
799 .enable = s5pv310_clksrc_mask_cam_ctrl,
800 .ctrlbit = (1 << 24),
801 },
802 .sources = &clkset_group,
803 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 24, .size = 4 },
804 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 24, .size = 4 },
805 }, {
806 .clk = {
807 .name = "sclk_csis",
808 .id = 1,
809 .enable = s5pv310_clksrc_mask_cam_ctrl,
810 .ctrlbit = (1 << 28),
811 },
812 .sources = &clkset_group,
813 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 28, .size = 4 },
814 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
815 }, {
816 .clk = {
817 .name = "sclk_cam",
818 .id = 0,
819 .enable = s5pv310_clksrc_mask_cam_ctrl,
820 .ctrlbit = (1 << 16),
821 },
822 .sources = &clkset_group,
823 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 16, .size = 4 },
824 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
825 }, {
826 .clk = {
827 .name = "sclk_cam",
828 .id = 1,
829 .enable = s5pv310_clksrc_mask_cam_ctrl,
830 .ctrlbit = (1 << 20),
831 },
832 .sources = &clkset_group,
833 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 20, .size = 4 },
834 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 20, .size = 4 },
835 }, {
836 .clk = {
837 .name = "sclk_fimc",
838 .id = 0,
839 .enable = s5pv310_clksrc_mask_cam_ctrl,
840 .ctrlbit = (1 << 0),
841 },
842 .sources = &clkset_group,
843 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 0, .size = 4 },
844 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 0, .size = 4 },
845 }, {
846 .clk = {
847 .name = "sclk_fimc",
848 .id = 1,
849 .enable = s5pv310_clksrc_mask_cam_ctrl,
850 .ctrlbit = (1 << 4),
851 },
852 .sources = &clkset_group,
853 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 4, .size = 4 },
854 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 4, .size = 4 },
855 }, {
856 .clk = {
857 .name = "sclk_fimc",
858 .id = 2,
859 .enable = s5pv310_clksrc_mask_cam_ctrl,
860 .ctrlbit = (1 << 8),
861 },
862 .sources = &clkset_group,
863 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 8, .size = 4 },
864 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 8, .size = 4 },
865 }, {
866 .clk = {
867 .name = "sclk_fimc",
868 .id = 3,
869 .enable = s5pv310_clksrc_mask_cam_ctrl,
870 .ctrlbit = (1 << 12),
871 },
872 .sources = &clkset_group,
873 .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 12, .size = 4 },
874 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 12, .size = 4 },
875 }, {
876 .clk = {
877 .name = "sclk_fimd",
878 .id = 0,
879 .enable = s5pv310_clksrc_mask_lcd0_ctrl,
880 .ctrlbit = (1 << 0),
881 },
882 .sources = &clkset_group,
883 .reg_src = { .reg = S5P_CLKSRC_LCD0, .shift = 0, .size = 4 },
884 .reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 },
885 }, {
886 .clk = {
887 .name = "sclk_fimd",
888 .id = 1,
889 .enable = s5pv310_clksrc_mask_lcd1_ctrl,
890 .ctrlbit = (1 << 0),
891 },
892 .sources = &clkset_group,
893 .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 },
894 .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 },
895 }, {
896 .clk = {
897 .name = "sclk_sata",
898 .id = -1,
899 .enable = s5pv310_clksrc_mask_fsys_ctrl,
900 .ctrlbit = (1 << 24),
901 },
902 .sources = &clkset_mout_corebus,
903 .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 },
904 .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 },
905 }, {
906 .clk = {
907 .name = "sclk_spi",
908 .id = 0,
909 .enable = s5pv310_clksrc_mask_peril1_ctrl,
910 .ctrlbit = (1 << 16),
911 },
912 .sources = &clkset_group,
913 .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 },
914 .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 },
915 }, {
916 .clk = {
917 .name = "sclk_spi",
918 .id = 1,
919 .enable = s5pv310_clksrc_mask_peril1_ctrl,
920 .ctrlbit = (1 << 20),
921 },
922 .sources = &clkset_group,
923 .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 },
924 .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 },
925 }, {
926 .clk = {
927 .name = "sclk_spi",
928 .id = 2,
929 .enable = s5pv310_clksrc_mask_peril1_ctrl,
930 .ctrlbit = (1 << 24),
931 },
932 .sources = &clkset_group,
933 .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 },
934 .reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 },
935 }, {
936 .clk = {
937 .name = "sclk_fimg2d",
938 .id = -1,
939 },
940 .sources = &clkset_mout_g2d,
941 .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 8, .size = 1 },
942 .reg_div = { .reg = S5P_CLKDIV_IMAGE, .shift = 0, .size = 4 },
943 }, {
944 .clk = {
945 .name = "sclk_mmc",
946 .id = 0,
947 .parent = &clk_dout_mmc0.clk,
948 .enable = s5pv310_clksrc_mask_fsys_ctrl,
949 .ctrlbit = (1 << 0),
950 },
951 .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 },
952 }, {
953 .clk = {
954 .name = "sclk_mmc",
955 .id = 1,
956 .parent = &clk_dout_mmc1.clk,
957 .enable = s5pv310_clksrc_mask_fsys_ctrl,
958 .ctrlbit = (1 << 4),
959 },
960 .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 },
961 }, {
962 .clk = {
963 .name = "sclk_mmc",
964 .id = 2,
965 .parent = &clk_dout_mmc2.clk,
966 .enable = s5pv310_clksrc_mask_fsys_ctrl,
967 .ctrlbit = (1 << 8),
968 },
969 .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 },
970 }, {
971 .clk = {
972 .name = "sclk_mmc",
973 .id = 3,
974 .parent = &clk_dout_mmc3.clk,
975 .enable = s5pv310_clksrc_mask_fsys_ctrl,
976 .ctrlbit = (1 << 12),
977 },
978 .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 },
979 }, {
980 .clk = {
981 .name = "sclk_mmc",
982 .id = 4,
983 .parent = &clk_dout_mmc4.clk,
984 .enable = s5pv310_clksrc_mask_fsys_ctrl,
985 .ctrlbit = (1 << 16),
986 },
987 .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 8, .size = 8 },
988 }
989 };
990
991 /* Clock initialization code */
992 static struct clksrc_clk *sysclks[] = {
993 &clk_mout_apll,
994 &clk_sclk_apll,
995 &clk_mout_epll,
996 &clk_mout_mpll,
997 &clk_moutcore,
998 &clk_coreclk,
999 &clk_armclk,
1000 &clk_aclk_corem0,
1001 &clk_aclk_cores,
1002 &clk_aclk_corem1,
1003 &clk_periphclk,
1004 &clk_mout_corebus,
1005 &clk_sclk_dmc,
1006 &clk_aclk_cored,
1007 &clk_aclk_corep,
1008 &clk_aclk_acp,
1009 &clk_pclk_acp,
1010 &clk_vpllsrc,
1011 &clk_sclk_vpll,
1012 &clk_aclk_200,
1013 &clk_aclk_100,
1014 &clk_aclk_160,
1015 &clk_aclk_133,
1016 &clk_dout_mmc0,
1017 &clk_dout_mmc1,
1018 &clk_dout_mmc2,
1019 &clk_dout_mmc3,
1020 &clk_dout_mmc4,
1021 };
1022
1023 static int xtal_rate;
1024
1025 static unsigned long s5pv310_fout_apll_get_rate(struct clk *clk)
1026 {
1027 return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508);
1028 }
1029
1030 static struct clk_ops s5pv310_fout_apll_ops = {
1031 .get_rate = s5pv310_fout_apll_get_rate,
1032 };
1033
1034 void __init_or_cpufreq s5pv310_setup_clocks(void)
1035 {
1036 struct clk *xtal_clk;
1037 unsigned long apll;
1038 unsigned long mpll;
1039 unsigned long epll;
1040 unsigned long vpll;
1041 unsigned long vpllsrc;
1042 unsigned long xtal;
1043 unsigned long armclk;
1044 unsigned long sclk_dmc;
1045 unsigned long aclk_200;
1046 unsigned long aclk_100;
1047 unsigned long aclk_160;
1048 unsigned long aclk_133;
1049 unsigned int ptr;
1050
1051 printk(KERN_DEBUG "%s: registering clocks\n", __func__);
1052
1053 xtal_clk = clk_get(NULL, "xtal");
1054 BUG_ON(IS_ERR(xtal_clk));
1055
1056 xtal = clk_get_rate(xtal_clk);
1057
1058 xtal_rate = xtal;
1059
1060 clk_put(xtal_clk);
1061
1062 printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
1063
1064 apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508);
1065 mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508);
1066 epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
1067 __raw_readl(S5P_EPLL_CON1), pll_4600);
1068
1069 vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
1070 vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
1071 __raw_readl(S5P_VPLL_CON1), pll_4650);
1072
1073 clk_fout_apll.ops = &s5pv310_fout_apll_ops;
1074 clk_fout_mpll.rate = mpll;
1075 clk_fout_epll.rate = epll;
1076 clk_fout_vpll.rate = vpll;
1077
1078 printk(KERN_INFO "S5PV310: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
1079 apll, mpll, epll, vpll);
1080
1081 armclk = clk_get_rate(&clk_armclk.clk);
1082 sclk_dmc = clk_get_rate(&clk_sclk_dmc.clk);
1083
1084 aclk_200 = clk_get_rate(&clk_aclk_200.clk);
1085 aclk_100 = clk_get_rate(&clk_aclk_100.clk);
1086 aclk_160 = clk_get_rate(&clk_aclk_160.clk);
1087 aclk_133 = clk_get_rate(&clk_aclk_133.clk);
1088
1089 printk(KERN_INFO "S5PV310: ARMCLK=%ld, DMC=%ld, ACLK200=%ld\n"
1090 "ACLK100=%ld, ACLK160=%ld, ACLK133=%ld\n",
1091 armclk, sclk_dmc, aclk_200,
1092 aclk_100, aclk_160, aclk_133);
1093
1094 clk_f.rate = armclk;
1095 clk_h.rate = sclk_dmc;
1096 clk_p.rate = aclk_100;
1097
1098 for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
1099 s3c_set_clksrc(&clksrcs[ptr], true);
1100 }
1101
1102 static struct clk *clks[] __initdata = {
1103 /* Nothing here yet */
1104 };
1105
1106 void __init s5pv310_register_clocks(void)
1107 {
1108 struct clk *clkp;
1109 int ret;
1110 int ptr;
1111
1112 ret = s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
1113 if (ret > 0)
1114 printk(KERN_ERR "Failed to register %u clocks\n", ret);
1115
1116 for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
1117 s3c_register_clksrc(sysclks[ptr], 1);
1118
1119 s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
1120 s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
1121
1122 clkp = init_clocks_disable;
1123 for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
1124 ret = s3c24xx_register_clock(clkp);
1125 if (ret < 0) {
1126 printk(KERN_ERR "Failed to register clock %s (%d)\n",
1127 clkp->name, ret);
1128 }
1129 (clkp->enable)(clkp, 0);
1130 }
1131
1132 s3c_pwmclk_init();
1133 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree