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Merge remote-tracking branch 's5p/for-next'
[linux-2.6/next.git] / arch / arm / mach-s5pv210 / clock.c
blob52a8e607bcc23cfdc100a0f4c3413c8e8625c904
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 },
40 .sources = &clk_src_apll,
41 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
42 };
43
44 static struct clksrc_clk clk_mout_epll = {
45 .clk = {
46 .name = "mout_epll",
47 },
48 .sources = &clk_src_epll,
49 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 },
50 };
51
52 static struct clksrc_clk clk_mout_mpll = {
53 .clk = {
54 .name = "mout_mpll",
55 },
56 .sources = &clk_src_mpll,
57 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 },
58 };
59
60 static struct clk *clkset_armclk_list[] = {
61 [0] = &clk_mout_apll.clk,
62 [1] = &clk_mout_mpll.clk,
63 };
64
65 static struct clksrc_sources clkset_armclk = {
66 .sources = clkset_armclk_list,
67 .nr_sources = ARRAY_SIZE(clkset_armclk_list),
68 };
69
70 static struct clksrc_clk clk_armclk = {
71 .clk = {
72 .name = "armclk",
73 },
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 },
77 };
78
79 static struct clksrc_clk clk_hclk_msys = {
80 .clk = {
81 .name = "hclk_msys",
82 .parent = &clk_armclk.clk,
83 },
84 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 },
85 };
86
87 static struct clksrc_clk clk_pclk_msys = {
88 .clk = {
89 .name = "pclk_msys",
90 .parent = &clk_hclk_msys.clk,
91 },
92 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 },
93 };
94
95 static struct clksrc_clk clk_sclk_a2m = {
96 .clk = {
97 .name = "sclk_a2m",
98 .parent = &clk_mout_apll.clk,
99 },
100 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 },
101 };
102
103 static struct clk *clkset_hclk_sys_list[] = {
104 [0] = &clk_mout_mpll.clk,
105 [1] = &clk_sclk_a2m.clk,
106 };
107
108 static struct clksrc_sources clkset_hclk_sys = {
109 .sources = clkset_hclk_sys_list,
110 .nr_sources = ARRAY_SIZE(clkset_hclk_sys_list),
111 };
112
113 static struct clksrc_clk clk_hclk_dsys = {
114 .clk = {
115 .name = "hclk_dsys",
116 },
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 },
120 };
121
122 static struct clksrc_clk clk_pclk_dsys = {
123 .clk = {
124 .name = "pclk_dsys",
125 .parent = &clk_hclk_dsys.clk,
126 },
127 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 20, .size = 3 },
128 };
129
130 static struct clksrc_clk clk_hclk_psys = {
131 .clk = {
132 .name = "hclk_psys",
133 },
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 },
137 };
138
139 static struct clksrc_clk clk_pclk_psys = {
140 .clk = {
141 .name = "pclk_psys",
142 .parent = &clk_hclk_psys.clk,
143 },
144 .reg_div = { .reg = S5P_CLK_DIV0, .shift = 28, .size = 3 },
145 };
146
147 static int s5pv210_clk_ip0_ctrl(struct clk *clk, int enable)
148 {
149 return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable);
150 }
151
152 static int s5pv210_clk_ip1_ctrl(struct clk *clk, int enable)
153 {
154 return s5p_gatectrl(S5P_CLKGATE_IP1, clk, enable);
155 }
156
157 static int s5pv210_clk_ip2_ctrl(struct clk *clk, int enable)
158 {
159 return s5p_gatectrl(S5P_CLKGATE_IP2, clk, enable);
160 }
161
162 static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable)
163 {
164 return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
165 }
166
167 static int s5pv210_clk_mask0_ctrl(struct clk *clk, int enable)
168 {
169 return s5p_gatectrl(S5P_CLK_SRC_MASK0, clk, enable);
170 }
171
172 static int s5pv210_clk_mask1_ctrl(struct clk *clk, int enable)
173 {
174 return s5p_gatectrl(S5P_CLK_SRC_MASK1, clk, enable);
175 }
176
177 static struct clk clk_sclk_hdmi27m = {
178 .name = "sclk_hdmi27m",
179 .rate = 27000000,
180 };
181
182 static struct clk clk_sclk_hdmiphy = {
183 .name = "sclk_hdmiphy",
184 };
185
186 static struct clk clk_sclk_usbphy0 = {
187 .name = "sclk_usbphy0",
188 };
189
190 static struct clk clk_sclk_usbphy1 = {
191 .name = "sclk_usbphy1",
192 };
193
194 static struct clk clk_pcmcdclk0 = {
195 .name = "pcmcdclk",
196 };
197
198 static struct clk clk_pcmcdclk1 = {
199 .name = "pcmcdclk",
200 };
201
202 static struct clk clk_pcmcdclk2 = {
203 .name = "pcmcdclk",
204 };
205
206 static struct clk *clkset_vpllsrc_list[] = {
207 [0] = &clk_fin_vpll,
208 [1] = &clk_sclk_hdmi27m,
209 };
210
211 static struct clksrc_sources clkset_vpllsrc = {
212 .sources = clkset_vpllsrc_list,
213 .nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
214 };
215
216 static struct clksrc_clk clk_vpllsrc = {
217 .clk = {
218 .name = "vpll_src",
219 .enable = s5pv210_clk_mask0_ctrl,
220 .ctrlbit = (1 << 7),
221 },
222 .sources = &clkset_vpllsrc,
223 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 28, .size = 1 },
224 };
225
226 static struct clk *clkset_sclk_vpll_list[] = {
227 [0] = &clk_vpllsrc.clk,
228 [1] = &clk_fout_vpll,
229 };
230
231 static struct clksrc_sources clkset_sclk_vpll = {
232 .sources = clkset_sclk_vpll_list,
233 .nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
234 };
235
236 static struct clksrc_clk clk_sclk_vpll = {
237 .clk = {
238 .name = "sclk_vpll",
239 },
240 .sources = &clkset_sclk_vpll,
241 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 },
242 };
243
244 static struct clk *clkset_moutdmc0src_list[] = {
245 [0] = &clk_sclk_a2m.clk,
246 [1] = &clk_mout_mpll.clk,
247 [2] = NULL,
248 [3] = NULL,
249 };
250
251 static struct clksrc_sources clkset_moutdmc0src = {
252 .sources = clkset_moutdmc0src_list,
253 .nr_sources = ARRAY_SIZE(clkset_moutdmc0src_list),
254 };
255
256 static struct clksrc_clk clk_mout_dmc0 = {
257 .clk = {
258 .name = "mout_dmc0",
259 },
260 .sources = &clkset_moutdmc0src,
261 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
262 };
263
264 static struct clksrc_clk clk_sclk_dmc0 = {
265 .clk = {
266 .name = "sclk_dmc0",
267 .parent = &clk_mout_dmc0.clk,
268 },
269 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
270 };
271
272 static unsigned long s5pv210_clk_imem_get_rate(struct clk *clk)
273 {
274 return clk_get_rate(clk->parent) / 2;
275 }
276
277 static struct clk_ops clk_hclk_imem_ops = {
278 .get_rate = s5pv210_clk_imem_get_rate,
279 };
280
281 static unsigned long s5pv210_clk_fout_apll_get_rate(struct clk *clk)
282 {
283 return s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
284 }
285
286 static struct clk_ops clk_fout_apll_ops = {
287 .get_rate = s5pv210_clk_fout_apll_get_rate,
288 };
289
290 static struct clk init_clocks_off[] = {
291 {
292 .name = "pdma",
293 .devname = "s3c-pl330.0",
294 .parent = &clk_hclk_psys.clk,
295 .enable = s5pv210_clk_ip0_ctrl,
296 .ctrlbit = (1 << 3),
297 }, {
298 .name = "pdma",
299 .devname = "s3c-pl330.1",
300 .parent = &clk_hclk_psys.clk,
301 .enable = s5pv210_clk_ip0_ctrl,
302 .ctrlbit = (1 << 4),
303 }, {
304 .name = "rot",
305 .parent = &clk_hclk_dsys.clk,
306 .enable = s5pv210_clk_ip0_ctrl,
307 .ctrlbit = (1<<29),
308 }, {
309 .name = "fimc",
310 .devname = "s5pv210-fimc.0",
311 .parent = &clk_hclk_dsys.clk,
312 .enable = s5pv210_clk_ip0_ctrl,
313 .ctrlbit = (1 << 24),
314 }, {
315 .name = "fimc",
316 .devname = "s5pv210-fimc.1",
317 .parent = &clk_hclk_dsys.clk,
318 .enable = s5pv210_clk_ip0_ctrl,
319 .ctrlbit = (1 << 25),
320 }, {
321 .name = "fimc",
322 .devname = "s5pv210-fimc.2",
323 .parent = &clk_hclk_dsys.clk,
324 .enable = s5pv210_clk_ip0_ctrl,
325 .ctrlbit = (1 << 26),
326 }, {
327 .name = "mfc",
328 .devname = "s5p-mfc",
329 .parent = &clk_pclk_psys.clk,
330 .enable = s5pv210_clk_ip0_ctrl,
331 .ctrlbit = (1 << 16),
332 }, {
333 .name = "otg",
334 .parent = &clk_hclk_psys.clk,
335 .enable = s5pv210_clk_ip1_ctrl,
336 .ctrlbit = (1<<16),
337 }, {
338 .name = "usb-host",
339 .parent = &clk_hclk_psys.clk,
340 .enable = s5pv210_clk_ip1_ctrl,
341 .ctrlbit = (1<<17),
342 }, {
343 .name = "lcd",
344 .parent = &clk_hclk_dsys.clk,
345 .enable = s5pv210_clk_ip1_ctrl,
346 .ctrlbit = (1<<0),
347 }, {
348 .name = "cfcon",
349 .parent = &clk_hclk_psys.clk,
350 .enable = s5pv210_clk_ip1_ctrl,
351 .ctrlbit = (1<<25),
352 }, {
353 .name = "hsmmc",
354 .devname = "s3c-sdhci.0",
355 .parent = &clk_hclk_psys.clk,
356 .enable = s5pv210_clk_ip2_ctrl,
357 .ctrlbit = (1<<16),
358 }, {
359 .name = "hsmmc",
360 .devname = "s3c-sdhci.1",
361 .parent = &clk_hclk_psys.clk,
362 .enable = s5pv210_clk_ip2_ctrl,
363 .ctrlbit = (1<<17),
364 }, {
365 .name = "hsmmc",
366 .devname = "s3c-sdhci.2",
367 .parent = &clk_hclk_psys.clk,
368 .enable = s5pv210_clk_ip2_ctrl,
369 .ctrlbit = (1<<18),
370 }, {
371 .name = "hsmmc",
372 .devname = "s3c-sdhci.3",
373 .parent = &clk_hclk_psys.clk,
374 .enable = s5pv210_clk_ip2_ctrl,
375 .ctrlbit = (1<<19),
376 }, {
377 .name = "systimer",
378 .parent = &clk_pclk_psys.clk,
379 .enable = s5pv210_clk_ip3_ctrl,
380 .ctrlbit = (1<<16),
381 }, {
382 .name = "watchdog",
383 .parent = &clk_pclk_psys.clk,
384 .enable = s5pv210_clk_ip3_ctrl,
385 .ctrlbit = (1<<22),
386 }, {
387 .name = "rtc",
388 .parent = &clk_pclk_psys.clk,
389 .enable = s5pv210_clk_ip3_ctrl,
390 .ctrlbit = (1<<15),
391 }, {
392 .name = "i2c",
393 .devname = "s3c2440-i2c.0",
394 .parent = &clk_pclk_psys.clk,
395 .enable = s5pv210_clk_ip3_ctrl,
396 .ctrlbit = (1<<7),
397 }, {
398 .name = "i2c",
399 .devname = "s3c2440-i2c.1",
400 .parent = &clk_pclk_psys.clk,
401 .enable = s5pv210_clk_ip3_ctrl,
402 .ctrlbit = (1 << 10),
403 }, {
404 .name = "i2c",
405 .devname = "s3c2440-i2c.2",
406 .parent = &clk_pclk_psys.clk,
407 .enable = s5pv210_clk_ip3_ctrl,
408 .ctrlbit = (1<<9),
409 }, {
410 .name = "spi",
411 .devname = "s3c64xx-spi.0",
412 .parent = &clk_pclk_psys.clk,
413 .enable = s5pv210_clk_ip3_ctrl,
414 .ctrlbit = (1<<12),
415 }, {
416 .name = "spi",
417 .devname = "s3c64xx-spi.1",
418 .parent = &clk_pclk_psys.clk,
419 .enable = s5pv210_clk_ip3_ctrl,
420 .ctrlbit = (1<<13),
421 }, {
422 .name = "spi",
423 .devname = "s3c64xx-spi.2",
424 .parent = &clk_pclk_psys.clk,
425 .enable = s5pv210_clk_ip3_ctrl,
426 .ctrlbit = (1<<14),
427 }, {
428 .name = "timers",
429 .parent = &clk_pclk_psys.clk,
430 .enable = s5pv210_clk_ip3_ctrl,
431 .ctrlbit = (1<<23),
432 }, {
433 .name = "adc",
434 .parent = &clk_pclk_psys.clk,
435 .enable = s5pv210_clk_ip3_ctrl,
436 .ctrlbit = (1<<24),
437 }, {
438 .name = "keypad",
439 .parent = &clk_pclk_psys.clk,
440 .enable = s5pv210_clk_ip3_ctrl,
441 .ctrlbit = (1<<21),
442 }, {
443 .name = "iis",
444 .devname = "samsung-i2s.0",
445 .parent = &clk_p,
446 .enable = s5pv210_clk_ip3_ctrl,
447 .ctrlbit = (1<<4),
448 }, {
449 .name = "iis",
450 .devname = "samsung-i2s.1",
451 .parent = &clk_p,
452 .enable = s5pv210_clk_ip3_ctrl,
453 .ctrlbit = (1 << 5),
454 }, {
455 .name = "iis",
456 .devname = "samsung-i2s.2",
457 .parent = &clk_p,
458 .enable = s5pv210_clk_ip3_ctrl,
459 .ctrlbit = (1 << 6),
460 }, {
461 .name = "spdif",
462 .parent = &clk_p,
463 .enable = s5pv210_clk_ip3_ctrl,
464 .ctrlbit = (1 << 0),
465 },
466 };
467
468 static struct clk init_clocks[] = {
469 {
470 .name = "hclk_imem",
471 .parent = &clk_hclk_msys.clk,
472 .ctrlbit = (1 << 5),
473 .enable = s5pv210_clk_ip0_ctrl,
474 .ops = &clk_hclk_imem_ops,
475 }, {
476 .name = "uart",
477 .devname = "s5pv210-uart.0",
478 .parent = &clk_pclk_psys.clk,
479 .enable = s5pv210_clk_ip3_ctrl,
480 .ctrlbit = (1 << 17),
481 }, {
482 .name = "uart",
483 .devname = "s5pv210-uart.1",
484 .parent = &clk_pclk_psys.clk,
485 .enable = s5pv210_clk_ip3_ctrl,
486 .ctrlbit = (1 << 18),
487 }, {
488 .name = "uart",
489 .devname = "s5pv210-uart.2",
490 .parent = &clk_pclk_psys.clk,
491 .enable = s5pv210_clk_ip3_ctrl,
492 .ctrlbit = (1 << 19),
493 }, {
494 .name = "uart",
495 .devname = "s5pv210-uart.3",
496 .parent = &clk_pclk_psys.clk,
497 .enable = s5pv210_clk_ip3_ctrl,
498 .ctrlbit = (1 << 20),
499 }, {
500 .name = "sromc",
501 .parent = &clk_hclk_psys.clk,
502 .enable = s5pv210_clk_ip1_ctrl,
503 .ctrlbit = (1 << 26),
504 },
505 };
506
507 static struct clk *clkset_uart_list[] = {
508 [6] = &clk_mout_mpll.clk,
509 [7] = &clk_mout_epll.clk,
510 };
511
512 static struct clksrc_sources clkset_uart = {
513 .sources = clkset_uart_list,
514 .nr_sources = ARRAY_SIZE(clkset_uart_list),
515 };
516
517 static struct clk *clkset_group1_list[] = {
518 [0] = &clk_sclk_a2m.clk,
519 [1] = &clk_mout_mpll.clk,
520 [2] = &clk_mout_epll.clk,
521 [3] = &clk_sclk_vpll.clk,
522 };
523
524 static struct clksrc_sources clkset_group1 = {
525 .sources = clkset_group1_list,
526 .nr_sources = ARRAY_SIZE(clkset_group1_list),
527 };
528
529 static struct clk *clkset_sclk_onenand_list[] = {
530 [0] = &clk_hclk_psys.clk,
531 [1] = &clk_hclk_dsys.clk,
532 };
533
534 static struct clksrc_sources clkset_sclk_onenand = {
535 .sources = clkset_sclk_onenand_list,
536 .nr_sources = ARRAY_SIZE(clkset_sclk_onenand_list),
537 };
538
539 static struct clk *clkset_sclk_dac_list[] = {
540 [0] = &clk_sclk_vpll.clk,
541 [1] = &clk_sclk_hdmiphy,
542 };
543
544 static struct clksrc_sources clkset_sclk_dac = {
545 .sources = clkset_sclk_dac_list,
546 .nr_sources = ARRAY_SIZE(clkset_sclk_dac_list),
547 };
548
549 static struct clksrc_clk clk_sclk_dac = {
550 .clk = {
551 .name = "sclk_dac",
552 .enable = s5pv210_clk_mask0_ctrl,
553 .ctrlbit = (1 << 2),
554 },
555 .sources = &clkset_sclk_dac,
556 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 1 },
557 };
558
559 static struct clksrc_clk clk_sclk_pixel = {
560 .clk = {
561 .name = "sclk_pixel",
562 .parent = &clk_sclk_vpll.clk,
563 },
564 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 4},
565 };
566
567 static struct clk *clkset_sclk_hdmi_list[] = {
568 [0] = &clk_sclk_pixel.clk,
569 [1] = &clk_sclk_hdmiphy,
570 };
571
572 static struct clksrc_sources clkset_sclk_hdmi = {
573 .sources = clkset_sclk_hdmi_list,
574 .nr_sources = ARRAY_SIZE(clkset_sclk_hdmi_list),
575 };
576
577 static struct clksrc_clk clk_sclk_hdmi = {
578 .clk = {
579 .name = "sclk_hdmi",
580 .enable = s5pv210_clk_mask0_ctrl,
581 .ctrlbit = (1 << 0),
582 },
583 .sources = &clkset_sclk_hdmi,
584 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 1 },
585 };
586
587 static struct clk *clkset_sclk_mixer_list[] = {
588 [0] = &clk_sclk_dac.clk,
589 [1] = &clk_sclk_hdmi.clk,
590 };
591
592 static struct clksrc_sources clkset_sclk_mixer = {
593 .sources = clkset_sclk_mixer_list,
594 .nr_sources = ARRAY_SIZE(clkset_sclk_mixer_list),
595 };
596
597 static struct clk *clkset_sclk_audio0_list[] = {
598 [0] = &clk_ext_xtal_mux,
599 [1] = &clk_pcmcdclk0,
600 [2] = &clk_sclk_hdmi27m,
601 [3] = &clk_sclk_usbphy0,
602 [4] = &clk_sclk_usbphy1,
603 [5] = &clk_sclk_hdmiphy,
604 [6] = &clk_mout_mpll.clk,
605 [7] = &clk_mout_epll.clk,
606 [8] = &clk_sclk_vpll.clk,
607 };
608
609 static struct clksrc_sources clkset_sclk_audio0 = {
610 .sources = clkset_sclk_audio0_list,
611 .nr_sources = ARRAY_SIZE(clkset_sclk_audio0_list),
612 };
613
614 static struct clksrc_clk clk_sclk_audio0 = {
615 .clk = {
616 .name = "sclk_audio",
617 .devname = "soc-audio.0",
618 .enable = s5pv210_clk_mask0_ctrl,
619 .ctrlbit = (1 << 24),
620 },
621 .sources = &clkset_sclk_audio0,
622 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 0, .size = 4 },
623 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 0, .size = 4 },
624 };
625
626 static struct clk *clkset_sclk_audio1_list[] = {
627 [0] = &clk_ext_xtal_mux,
628 [1] = &clk_pcmcdclk1,
629 [2] = &clk_sclk_hdmi27m,
630 [3] = &clk_sclk_usbphy0,
631 [4] = &clk_sclk_usbphy1,
632 [5] = &clk_sclk_hdmiphy,
633 [6] = &clk_mout_mpll.clk,
634 [7] = &clk_mout_epll.clk,
635 [8] = &clk_sclk_vpll.clk,
636 };
637
638 static struct clksrc_sources clkset_sclk_audio1 = {
639 .sources = clkset_sclk_audio1_list,
640 .nr_sources = ARRAY_SIZE(clkset_sclk_audio1_list),
641 };
642
643 static struct clksrc_clk clk_sclk_audio1 = {
644 .clk = {
645 .name = "sclk_audio",
646 .devname = "soc-audio.1",
647 .enable = s5pv210_clk_mask0_ctrl,
648 .ctrlbit = (1 << 25),
649 },
650 .sources = &clkset_sclk_audio1,
651 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 4, .size = 4 },
652 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 4, .size = 4 },
653 };
654
655 static struct clk *clkset_sclk_audio2_list[] = {
656 [0] = &clk_ext_xtal_mux,
657 [1] = &clk_pcmcdclk0,
658 [2] = &clk_sclk_hdmi27m,
659 [3] = &clk_sclk_usbphy0,
660 [4] = &clk_sclk_usbphy1,
661 [5] = &clk_sclk_hdmiphy,
662 [6] = &clk_mout_mpll.clk,
663 [7] = &clk_mout_epll.clk,
664 [8] = &clk_sclk_vpll.clk,
665 };
666
667 static struct clksrc_sources clkset_sclk_audio2 = {
668 .sources = clkset_sclk_audio2_list,
669 .nr_sources = ARRAY_SIZE(clkset_sclk_audio2_list),
670 };
671
672 static struct clksrc_clk clk_sclk_audio2 = {
673 .clk = {
674 .name = "sclk_audio",
675 .devname = "soc-audio.2",
676 .enable = s5pv210_clk_mask0_ctrl,
677 .ctrlbit = (1 << 26),
678 },
679 .sources = &clkset_sclk_audio2,
680 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 8, .size = 4 },
681 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 8, .size = 4 },
682 };
683
684 static struct clk *clkset_sclk_spdif_list[] = {
685 [0] = &clk_sclk_audio0.clk,
686 [1] = &clk_sclk_audio1.clk,
687 [2] = &clk_sclk_audio2.clk,
688 };
689
690 static struct clksrc_sources clkset_sclk_spdif = {
691 .sources = clkset_sclk_spdif_list,
692 .nr_sources = ARRAY_SIZE(clkset_sclk_spdif_list),
693 };
694
695 static struct clksrc_clk clk_sclk_spdif = {
696 .clk = {
697 .name = "sclk_spdif",
698 .enable = s5pv210_clk_mask0_ctrl,
699 .ctrlbit = (1 << 27),
700 .ops = &s5p_sclk_spdif_ops,
701 },
702 .sources = &clkset_sclk_spdif,
703 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 },
704 };
705
706 static struct clk *clkset_group2_list[] = {
707 [0] = &clk_ext_xtal_mux,
708 [1] = &clk_xusbxti,
709 [2] = &clk_sclk_hdmi27m,
710 [3] = &clk_sclk_usbphy0,
711 [4] = &clk_sclk_usbphy1,
712 [5] = &clk_sclk_hdmiphy,
713 [6] = &clk_mout_mpll.clk,
714 [7] = &clk_mout_epll.clk,
715 [8] = &clk_sclk_vpll.clk,
716 };
717
718 static struct clksrc_sources clkset_group2 = {
719 .sources = clkset_group2_list,
720 .nr_sources = ARRAY_SIZE(clkset_group2_list),
721 };
722
723 static struct clksrc_clk clksrcs[] = {
724 {
725 .clk = {
726 .name = "sclk_dmc",
727 },
728 .sources = &clkset_group1,
729 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
730 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
731 }, {
732 .clk = {
733 .name = "sclk_onenand",
734 },
735 .sources = &clkset_sclk_onenand,
736 .reg_src = { .reg = S5P_CLK_SRC0, .shift = 28, .size = 1 },
737 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 12, .size = 3 },
738 }, {
739 .clk = {
740 .name = "uclk1",
741 .devname = "s5pv210-uart.0",
742 .enable = s5pv210_clk_mask0_ctrl,
743 .ctrlbit = (1 << 12),
744 },
745 .sources = &clkset_uart,
746 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 16, .size = 4 },
747 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
748 }, {
749 .clk = {
750 .name = "uclk1",
751 .devname = "s5pv210-uart.1",
752 .enable = s5pv210_clk_mask0_ctrl,
753 .ctrlbit = (1 << 13),
754 },
755 .sources = &clkset_uart,
756 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 20, .size = 4 },
757 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 },
758 }, {
759 .clk = {
760 .name = "uclk1",
761 .devname = "s5pv210-uart.2",
762 .enable = s5pv210_clk_mask0_ctrl,
763 .ctrlbit = (1 << 14),
764 },
765 .sources = &clkset_uart,
766 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 24, .size = 4 },
767 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 24, .size = 4 },
768 }, {
769 .clk = {
770 .name = "uclk1",
771 .devname = "s5pv210-uart.3",
772 .enable = s5pv210_clk_mask0_ctrl,
773 .ctrlbit = (1 << 15),
774 },
775 .sources = &clkset_uart,
776 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 28, .size = 4 },
777 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 28, .size = 4 },
778 }, {
779 .clk = {
780 .name = "sclk_mixer",
781 .enable = s5pv210_clk_mask0_ctrl,
782 .ctrlbit = (1 << 1),
783 },
784 .sources = &clkset_sclk_mixer,
785 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 },
786 }, {
787 .clk = {
788 .name = "sclk_fimc",
789 .devname = "s5pv210-fimc.0",
790 .enable = s5pv210_clk_mask1_ctrl,
791 .ctrlbit = (1 << 2),
792 },
793 .sources = &clkset_group2,
794 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 4 },
795 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 },
796 }, {
797 .clk = {
798 .name = "sclk_fimc",
799 .devname = "s5pv210-fimc.1",
800 .enable = s5pv210_clk_mask1_ctrl,
801 .ctrlbit = (1 << 3),
802 },
803 .sources = &clkset_group2,
804 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 4 },
805 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 16, .size = 4 },
806 }, {
807 .clk = {
808 .name = "sclk_fimc",
809 .devname = "s5pv210-fimc.2",
810 .enable = s5pv210_clk_mask1_ctrl,
811 .ctrlbit = (1 << 4),
812 },
813 .sources = &clkset_group2,
814 .reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 4 },
815 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
816 }, {
817 .clk = {
818 .name = "sclk_cam",
819 .devname = "s5pv210-fimc.0",
820 .enable = s5pv210_clk_mask0_ctrl,
821 .ctrlbit = (1 << 3),
822 },
823 .sources = &clkset_group2,
824 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 4 },
825 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 },
826 }, {
827 .clk = {
828 .name = "sclk_cam",
829 .devname = "s5pv210-fimc.1",
830 .enable = s5pv210_clk_mask0_ctrl,
831 .ctrlbit = (1 << 4),
832 },
833 .sources = &clkset_group2,
834 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 16, .size = 4 },
835 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 16, .size = 4 },
836 }, {
837 .clk = {
838 .name = "sclk_fimd",
839 .enable = s5pv210_clk_mask0_ctrl,
840 .ctrlbit = (1 << 5),
841 },
842 .sources = &clkset_group2,
843 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 20, .size = 4 },
844 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 20, .size = 4 },
845 }, {
846 .clk = {
847 .name = "sclk_mmc",
848 .devname = "s3c-sdhci.0",
849 .enable = s5pv210_clk_mask0_ctrl,
850 .ctrlbit = (1 << 8),
851 },
852 .sources = &clkset_group2,
853 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 0, .size = 4 },
854 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 0, .size = 4 },
855 }, {
856 .clk = {
857 .name = "sclk_mmc",
858 .devname = "s3c-sdhci.1",
859 .enable = s5pv210_clk_mask0_ctrl,
860 .ctrlbit = (1 << 9),
861 },
862 .sources = &clkset_group2,
863 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 4, .size = 4 },
864 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 4, .size = 4 },
865 }, {
866 .clk = {
867 .name = "sclk_mmc",
868 .devname = "s3c-sdhci.2",
869 .enable = s5pv210_clk_mask0_ctrl,
870 .ctrlbit = (1 << 10),
871 },
872 .sources = &clkset_group2,
873 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 8, .size = 4 },
874 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 8, .size = 4 },
875 }, {
876 .clk = {
877 .name = "sclk_mmc",
878 .devname = "s3c-sdhci.3",
879 .enable = s5pv210_clk_mask0_ctrl,
880 .ctrlbit = (1 << 11),
881 },
882 .sources = &clkset_group2,
883 .reg_src = { .reg = S5P_CLK_SRC4, .shift = 12, .size = 4 },
884 .reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 },
885 }, {
886 .clk = {
887 .name = "sclk_mfc",
888 .devname = "s5p-mfc",
889 .enable = s5pv210_clk_ip0_ctrl,
890 .ctrlbit = (1 << 16),
891 },
892 .sources = &clkset_group1,
893 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 4, .size = 2 },
894 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
895 }, {
896 .clk = {
897 .name = "sclk_g2d",
898 .enable = s5pv210_clk_ip0_ctrl,
899 .ctrlbit = (1 << 12),
900 },
901 .sources = &clkset_group1,
902 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 },
903 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 },
904 }, {
905 .clk = {
906 .name = "sclk_g3d",
907 .enable = s5pv210_clk_ip0_ctrl,
908 .ctrlbit = (1 << 8),
909 },
910 .sources = &clkset_group1,
911 .reg_src = { .reg = S5P_CLK_SRC2, .shift = 0, .size = 2 },
912 .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
913 }, {
914 .clk = {
915 .name = "sclk_csis",
916 .enable = s5pv210_clk_mask0_ctrl,
917 .ctrlbit = (1 << 6),
918 },
919 .sources = &clkset_group2,
920 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 24, .size = 4 },
921 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 28, .size = 4 },
922 }, {
923 .clk = {
924 .name = "sclk_spi",
925 .devname = "s3c64xx-spi.0",
926 .enable = s5pv210_clk_mask0_ctrl,
927 .ctrlbit = (1 << 16),
928 },
929 .sources = &clkset_group2,
930 .reg_src = { .reg = S5P_CLK_SRC5, .shift = 0, .size = 4 },
931 .reg_div = { .reg = S5P_CLK_DIV5, .shift = 0, .size = 4 },
932 }, {
933 .clk = {
934 .name = "sclk_spi",
935 .devname = "s3c64xx-spi.1",
936 .enable = s5pv210_clk_mask0_ctrl,
937 .ctrlbit = (1 << 17),
938 },
939 .sources = &clkset_group2,
940 .reg_src = { .reg = S5P_CLK_SRC5, .shift = 4, .size = 4 },
941 .reg_div = { .reg = S5P_CLK_DIV5, .shift = 4, .size = 4 },
942 }, {
943 .clk = {
944 .name = "sclk_pwi",
945 .enable = s5pv210_clk_mask0_ctrl,
946 .ctrlbit = (1 << 29),
947 },
948 .sources = &clkset_group2,
949 .reg_src = { .reg = S5P_CLK_SRC6, .shift = 20, .size = 4 },
950 .reg_div = { .reg = S5P_CLK_DIV6, .shift = 24, .size = 4 },
951 }, {
952 .clk = {
953 .name = "sclk_pwm",
954 .enable = s5pv210_clk_mask0_ctrl,
955 .ctrlbit = (1 << 19),
956 },
957 .sources = &clkset_group2,
958 .reg_src = { .reg = S5P_CLK_SRC5, .shift = 12, .size = 4 },
959 .reg_div = { .reg = S5P_CLK_DIV5, .shift = 12, .size = 4 },
960 },
961 };
962
963 /* Clock initialisation code */
964 static struct clksrc_clk *sysclks[] = {
965 &clk_mout_apll,
966 &clk_mout_epll,
967 &clk_mout_mpll,
968 &clk_armclk,
969 &clk_hclk_msys,
970 &clk_sclk_a2m,
971 &clk_hclk_dsys,
972 &clk_hclk_psys,
973 &clk_pclk_msys,
974 &clk_pclk_dsys,
975 &clk_pclk_psys,
976 &clk_vpllsrc,
977 &clk_sclk_vpll,
978 &clk_sclk_dac,
979 &clk_sclk_pixel,
980 &clk_sclk_hdmi,
981 &clk_mout_dmc0,
982 &clk_sclk_dmc0,
983 &clk_sclk_audio0,
984 &clk_sclk_audio1,
985 &clk_sclk_audio2,
986 &clk_sclk_spdif,
987 };
988
989 static u32 epll_div[][6] = {
990 { 48000000, 0, 48, 3, 3, 0 },
991 { 96000000, 0, 48, 3, 2, 0 },
992 { 144000000, 1, 72, 3, 2, 0 },
993 { 192000000, 0, 48, 3, 1, 0 },
994 { 288000000, 1, 72, 3, 1, 0 },
995 { 32750000, 1, 65, 3, 4, 35127 },
996 { 32768000, 1, 65, 3, 4, 35127 },
997 { 45158400, 0, 45, 3, 3, 10355 },
998 { 45000000, 0, 45, 3, 3, 10355 },
999 { 45158000, 0, 45, 3, 3, 10355 },
1000 { 49125000, 0, 49, 3, 3, 9961 },
1001 { 49152000, 0, 49, 3, 3, 9961 },
1002 { 67737600, 1, 67, 3, 3, 48366 },
1003 { 67738000, 1, 67, 3, 3, 48366 },
1004 { 73800000, 1, 73, 3, 3, 47710 },
1005 { 73728000, 1, 73, 3, 3, 47710 },
1006 { 36000000, 1, 32, 3, 4, 0 },
1007 { 60000000, 1, 60, 3, 3, 0 },
1008 { 72000000, 1, 72, 3, 3, 0 },
1009 { 80000000, 1, 80, 3, 3, 0 },
1010 { 84000000, 0, 42, 3, 2, 0 },
1011 { 50000000, 0, 50, 3, 3, 0 },
1012 };
1013
1014 static int s5pv210_epll_set_rate(struct clk *clk, unsigned long rate)
1015 {
1016 unsigned int epll_con, epll_con_k;
1017 unsigned int i;
1018
1019 /* Return if nothing changed */
1020 if (clk->rate == rate)
1021 return 0;
1022
1023 epll_con = __raw_readl(S5P_EPLL_CON);
1024 epll_con_k = __raw_readl(S5P_EPLL_CON1);
1025
1026 epll_con_k &= ~PLL46XX_KDIV_MASK;
1027 epll_con &= ~(1 << 27 |
1028 PLL46XX_MDIV_MASK << PLL46XX_MDIV_SHIFT |
1029 PLL46XX_PDIV_MASK << PLL46XX_PDIV_SHIFT |
1030 PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
1031
1032 for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
1033 if (epll_div[i][0] == rate) {
1034 epll_con_k |= epll_div[i][5] << 0;
1035 epll_con |= (epll_div[i][1] << 27 |
1036 epll_div[i][2] << PLL46XX_MDIV_SHIFT |
1037 epll_div[i][3] << PLL46XX_PDIV_SHIFT |
1038 epll_div[i][4] << PLL46XX_SDIV_SHIFT);
1039 break;
1040 }
1041 }
1042
1043 if (i == ARRAY_SIZE(epll_div)) {
1044 printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n",
1045 __func__);
1046 return -EINVAL;
1047 }
1048
1049 __raw_writel(epll_con, S5P_EPLL_CON);
1050 __raw_writel(epll_con_k, S5P_EPLL_CON1);
1051
1052 printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
1053 clk->rate, rate);
1054
1055 clk->rate = rate;
1056
1057 return 0;
1058 }
1059
1060 static struct clk_ops s5pv210_epll_ops = {
1061 .set_rate = s5pv210_epll_set_rate,
1062 .get_rate = s5p_epll_get_rate,
1063 };
1064
1065 void __init_or_cpufreq s5pv210_setup_clocks(void)
1066 {
1067 struct clk *xtal_clk;
1068 unsigned long vpllsrc;
1069 unsigned long armclk;
1070 unsigned long hclk_msys;
1071 unsigned long hclk_dsys;
1072 unsigned long hclk_psys;
1073 unsigned long pclk_msys;
1074 unsigned long pclk_dsys;
1075 unsigned long pclk_psys;
1076 unsigned long apll;
1077 unsigned long mpll;
1078 unsigned long epll;
1079 unsigned long vpll;
1080 unsigned int ptr;
1081 u32 clkdiv0, clkdiv1;
1082
1083 /* Set functions for clk_fout_epll */
1084 clk_fout_epll.enable = s5p_epll_enable;
1085 clk_fout_epll.ops = &s5pv210_epll_ops;
1086
1087 printk(KERN_DEBUG "%s: registering clocks\n", __func__);
1088
1089 clkdiv0 = __raw_readl(S5P_CLK_DIV0);
1090 clkdiv1 = __raw_readl(S5P_CLK_DIV1);
1091
1092 printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n",
1093 __func__, clkdiv0, clkdiv1);
1094
1095 xtal_clk = clk_get(NULL, "xtal");
1096 BUG_ON(IS_ERR(xtal_clk));
1097
1098 xtal = clk_get_rate(xtal_clk);
1099 clk_put(xtal_clk);
1100
1101 printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
1102
1103 apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
1104 mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
1105 epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON),
1106 __raw_readl(S5P_EPLL_CON1), pll_4600);
1107 vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
1108 vpll = s5p_get_pll45xx(vpllsrc, __raw_readl(S5P_VPLL_CON), pll_4502);
1109
1110 clk_fout_apll.ops = &clk_fout_apll_ops;
1111 clk_fout_mpll.rate = mpll;
1112 clk_fout_epll.rate = epll;
1113 clk_fout_vpll.rate = vpll;
1114
1115 printk(KERN_INFO "S5PV210: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
1116 apll, mpll, epll, vpll);
1117
1118 armclk = clk_get_rate(&clk_armclk.clk);
1119 hclk_msys = clk_get_rate(&clk_hclk_msys.clk);
1120 hclk_dsys = clk_get_rate(&clk_hclk_dsys.clk);
1121 hclk_psys = clk_get_rate(&clk_hclk_psys.clk);
1122 pclk_msys = clk_get_rate(&clk_pclk_msys.clk);
1123 pclk_dsys = clk_get_rate(&clk_pclk_dsys.clk);
1124 pclk_psys = clk_get_rate(&clk_pclk_psys.clk);
1125
1126 printk(KERN_INFO "S5PV210: ARMCLK=%ld, HCLKM=%ld, HCLKD=%ld\n"
1127 "HCLKP=%ld, PCLKM=%ld, PCLKD=%ld, PCLKP=%ld\n",
1128 armclk, hclk_msys, hclk_dsys, hclk_psys,
1129 pclk_msys, pclk_dsys, pclk_psys);
1130
1131 clk_f.rate = armclk;
1132 clk_h.rate = hclk_psys;
1133 clk_p.rate = pclk_psys;
1134
1135 for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
1136 s3c_set_clksrc(&clksrcs[ptr], true);
1137 }
1138
1139 static struct clk *clks[] __initdata = {
1140 &clk_sclk_hdmi27m,
1141 &clk_sclk_hdmiphy,
1142 &clk_sclk_usbphy0,
1143 &clk_sclk_usbphy1,
1144 &clk_pcmcdclk0,
1145 &clk_pcmcdclk1,
1146 &clk_pcmcdclk2,
1147 };
1148
1149 void __init s5pv210_register_clocks(void)
1150 {
1151 int ptr;
1152
1153 s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
1154
1155 for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
1156 s3c_register_clksrc(sysclks[ptr], 1);
1157
1158 s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
1159 s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
1160
1161 s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1162 s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
1163
1164 s3c_pwmclk_init();
1165 }
linux-next