Merge branch 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf...
[pandora-kernel.git] / arch / arm / mach-shmobile / clock-sh7372.c
1 /*
2  * SH7372 clock framework support
3  *
4  * Copyright (C) 2010 Magnus Damm
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  */
19 #include <linux/init.h>
20 #include <linux/kernel.h>
21 #include <linux/io.h>
22 #include <linux/sh_clk.h>
23 #include <mach/common.h>
24 #include <asm/clkdev.h>
25
26 /* SH7372 registers */
27 #define FRQCRA          0xe6150000
28 #define FRQCRB          0xe6150004
29 #define FRQCRC          0xe61500e0
30 #define FRQCRD          0xe61500e4
31 #define VCLKCR1         0xe6150008
32 #define VCLKCR2         0xe615000c
33 #define VCLKCR3         0xe615001c
34 #define FMSICKCR        0xe6150010
35 #define FMSOCKCR        0xe6150014
36 #define FSIACKCR        0xe6150018
37 #define FSIBCKCR        0xe6150090
38 #define SUBCKCR         0xe6150080
39 #define SPUCKCR         0xe6150084
40 #define VOUCKCR         0xe6150088
41 #define HDMICKCR        0xe6150094
42 #define DSITCKCR        0xe6150060
43 #define DSI0PCKCR       0xe6150064
44 #define DSI1PCKCR       0xe6150098
45 #define PLLC01CR        0xe6150028
46 #define PLLC2CR         0xe615002c
47 #define SMSTPCR0        0xe6150130
48 #define SMSTPCR1        0xe6150134
49 #define SMSTPCR2        0xe6150138
50 #define SMSTPCR3        0xe615013c
51 #define SMSTPCR4        0xe6150140
52
53 #define FSIDIVA         0xFE1F8000
54 #define FSIDIVB         0xFE1F8008
55
56 /* Platforms must set frequency on their DV_CLKI pin */
57 struct clk sh7372_dv_clki_clk = {
58 };
59
60 /* Fixed 32 KHz root clock from EXTALR pin */
61 static struct clk r_clk = {
62         .rate           = 32768,
63 };
64
65 /*
66  * 26MHz default rate for the EXTAL1 root input clock.
67  * If needed, reset this with clk_set_rate() from the platform code.
68  */
69 struct clk sh7372_extal1_clk = {
70         .rate           = 26000000,
71 };
72
73 /*
74  * 48MHz default rate for the EXTAL2 root input clock.
75  * If needed, reset this with clk_set_rate() from the platform code.
76  */
77 struct clk sh7372_extal2_clk = {
78         .rate           = 48000000,
79 };
80
81 /* A fixed divide-by-2 block */
82 static unsigned long div2_recalc(struct clk *clk)
83 {
84         return clk->parent->rate / 2;
85 }
86
87 static struct clk_ops div2_clk_ops = {
88         .recalc         = div2_recalc,
89 };
90
91 /* Divide dv_clki by two */
92 struct clk sh7372_dv_clki_div2_clk = {
93         .ops            = &div2_clk_ops,
94         .parent         = &sh7372_dv_clki_clk,
95 };
96
97 /* Divide extal1 by two */
98 static struct clk extal1_div2_clk = {
99         .ops            = &div2_clk_ops,
100         .parent         = &sh7372_extal1_clk,
101 };
102
103 /* Divide extal2 by two */
104 static struct clk extal2_div2_clk = {
105         .ops            = &div2_clk_ops,
106         .parent         = &sh7372_extal2_clk,
107 };
108
109 /* Divide extal2 by four */
110 static struct clk extal2_div4_clk = {
111         .ops            = &div2_clk_ops,
112         .parent         = &extal2_div2_clk,
113 };
114
115 /* PLLC0 and PLLC1 */
116 static unsigned long pllc01_recalc(struct clk *clk)
117 {
118         unsigned long mult = 1;
119
120         if (__raw_readl(PLLC01CR) & (1 << 14))
121                 mult = (((__raw_readl(clk->enable_reg) >> 24) & 0x3f) + 1) * 2;
122
123         return clk->parent->rate * mult;
124 }
125
126 static struct clk_ops pllc01_clk_ops = {
127         .recalc         = pllc01_recalc,
128 };
129
130 static struct clk pllc0_clk = {
131         .ops            = &pllc01_clk_ops,
132         .flags          = CLK_ENABLE_ON_INIT,
133         .parent         = &extal1_div2_clk,
134         .enable_reg     = (void __iomem *)FRQCRC,
135 };
136
137 static struct clk pllc1_clk = {
138         .ops            = &pllc01_clk_ops,
139         .flags          = CLK_ENABLE_ON_INIT,
140         .parent         = &extal1_div2_clk,
141         .enable_reg     = (void __iomem *)FRQCRA,
142 };
143
144 /* Divide PLLC1 by two */
145 static struct clk pllc1_div2_clk = {
146         .ops            = &div2_clk_ops,
147         .parent         = &pllc1_clk,
148 };
149
150 /* PLLC2 */
151
152 /* Indices are important - they are the actual src selecting values */
153 static struct clk *pllc2_parent[] = {
154         [0] = &extal1_div2_clk,
155         [1] = &extal2_div2_clk,
156         [2] = &sh7372_dv_clki_div2_clk,
157 };
158
159 /* Only multipliers 20 * 2 to 46 * 2 are valid, last entry for CPUFREQ_TABLE_END */
160 static struct cpufreq_frequency_table pllc2_freq_table[29];
161
162 static void pllc2_table_rebuild(struct clk *clk)
163 {
164         int i;
165
166         /* Initialise PLLC2 frequency table */
167         for (i = 0; i < ARRAY_SIZE(pllc2_freq_table) - 2; i++) {
168                 pllc2_freq_table[i].frequency = clk->parent->rate * (i + 20) * 2;
169                 pllc2_freq_table[i].index = i;
170         }
171
172         /* This is a special entry - switching PLL off makes it a repeater */
173         pllc2_freq_table[i].frequency = clk->parent->rate;
174         pllc2_freq_table[i].index = i;
175
176         pllc2_freq_table[++i].frequency = CPUFREQ_TABLE_END;
177         pllc2_freq_table[i].index = i;
178 }
179
180 static unsigned long pllc2_recalc(struct clk *clk)
181 {
182         unsigned long mult = 1;
183
184         pllc2_table_rebuild(clk);
185
186         /*
187          * If the PLL is off, mult == 1, clk->rate will be updated in
188          * pllc2_enable().
189          */
190         if (__raw_readl(PLLC2CR) & (1 << 31))
191                 mult = (((__raw_readl(PLLC2CR) >> 24) & 0x3f) + 1) * 2;
192
193         return clk->parent->rate * mult;
194 }
195
196 static long pllc2_round_rate(struct clk *clk, unsigned long rate)
197 {
198         return clk_rate_table_round(clk, clk->freq_table, rate);
199 }
200
201 static int pllc2_enable(struct clk *clk)
202 {
203         int i;
204
205         __raw_writel(__raw_readl(PLLC2CR) | 0x80000000, PLLC2CR);
206
207         for (i = 0; i < 100; i++)
208                 if (__raw_readl(PLLC2CR) & 0x80000000) {
209                         clk->rate = pllc2_recalc(clk);
210                         return 0;
211                 }
212
213         pr_err("%s(): timeout!\n", __func__);
214
215         return -ETIMEDOUT;
216 }
217
218 static void pllc2_disable(struct clk *clk)
219 {
220         __raw_writel(__raw_readl(PLLC2CR) & ~0x80000000, PLLC2CR);
221 }
222
223 static int pllc2_set_rate(struct clk *clk, unsigned long rate)
224 {
225         unsigned long value;
226         int idx;
227
228         idx = clk_rate_table_find(clk, clk->freq_table, rate);
229         if (idx < 0)
230                 return idx;
231
232         if (rate == clk->parent->rate) {
233                 pllc2_disable(clk);
234                 return 0;
235         }
236
237         value = __raw_readl(PLLC2CR) & ~(0x3f << 24);
238
239         if (value & 0x80000000)
240                 pllc2_disable(clk);
241
242         __raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR);
243
244         if (value & 0x80000000)
245                 return pllc2_enable(clk);
246
247         return 0;
248 }
249
250 static int pllc2_set_parent(struct clk *clk, struct clk *parent)
251 {
252         u32 value;
253         int ret, i;
254
255         if (!clk->parent_table || !clk->parent_num)
256                 return -EINVAL;
257
258         /* Search the parent */
259         for (i = 0; i < clk->parent_num; i++)
260                 if (clk->parent_table[i] == parent)
261                         break;
262
263         if (i == clk->parent_num)
264                 return -ENODEV;
265
266         ret = clk_reparent(clk, parent);
267         if (ret < 0)
268                 return ret;
269
270         value = __raw_readl(PLLC2CR) & ~(3 << 6);
271
272         __raw_writel(value | (i << 6), PLLC2CR);
273
274         /* Rebiuld the frequency table */
275         pllc2_table_rebuild(clk);
276
277         return 0;
278 }
279
280 static struct clk_ops pllc2_clk_ops = {
281         .recalc         = pllc2_recalc,
282         .round_rate     = pllc2_round_rate,
283         .set_rate       = pllc2_set_rate,
284         .enable         = pllc2_enable,
285         .disable        = pllc2_disable,
286         .set_parent     = pllc2_set_parent,
287 };
288
289 struct clk sh7372_pllc2_clk = {
290         .ops            = &pllc2_clk_ops,
291         .parent         = &extal1_div2_clk,
292         .freq_table     = pllc2_freq_table,
293         .nr_freqs       = ARRAY_SIZE(pllc2_freq_table) - 1,
294         .parent_table   = pllc2_parent,
295         .parent_num     = ARRAY_SIZE(pllc2_parent),
296 };
297
298 /* External input clock (pin name: FSIACK/FSIBCK ) */
299 struct clk sh7372_fsiack_clk = {
300 };
301
302 struct clk sh7372_fsibck_clk = {
303 };
304
305 static struct clk *main_clks[] = {
306         &sh7372_dv_clki_clk,
307         &r_clk,
308         &sh7372_extal1_clk,
309         &sh7372_extal2_clk,
310         &sh7372_dv_clki_div2_clk,
311         &extal1_div2_clk,
312         &extal2_div2_clk,
313         &extal2_div4_clk,
314         &pllc0_clk,
315         &pllc1_clk,
316         &pllc1_div2_clk,
317         &sh7372_pllc2_clk,
318         &sh7372_fsiack_clk,
319         &sh7372_fsibck_clk,
320 };
321
322 static void div4_kick(struct clk *clk)
323 {
324         unsigned long value;
325
326         /* set KICK bit in FRQCRB to update hardware setting */
327         value = __raw_readl(FRQCRB);
328         value |= (1 << 31);
329         __raw_writel(value, FRQCRB);
330 }
331
332 static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18,
333                           24, 32, 36, 48, 0, 72, 96, 0 };
334
335 static struct clk_div_mult_table div4_div_mult_table = {
336         .divisors = divisors,
337         .nr_divisors = ARRAY_SIZE(divisors),
338 };
339
340 static struct clk_div4_table div4_table = {
341         .div_mult_table = &div4_div_mult_table,
342         .kick = div4_kick,
343 };
344
345 enum { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_CSIR,
346        DIV4_ZTR, DIV4_ZT, DIV4_ZX, DIV4_HP,
347        DIV4_ISPB, DIV4_S, DIV4_ZB, DIV4_ZB3, DIV4_CP,
348        DIV4_DDRP, DIV4_NR };
349
350 #define DIV4(_reg, _bit, _mask, _flags) \
351   SH_CLK_DIV4(&pllc1_clk, _reg, _bit, _mask, _flags)
352
353 static struct clk div4_clks[DIV4_NR] = {
354         [DIV4_I] = DIV4(FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT),
355         [DIV4_ZG] = DIV4(FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT),
356         [DIV4_B] = DIV4(FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT),
357         [DIV4_M1] = DIV4(FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT),
358         [DIV4_CSIR] = DIV4(FRQCRA, 0, 0x6fff, 0),
359         [DIV4_ZTR] = DIV4(FRQCRB, 20, 0x6fff, 0),
360         [DIV4_ZT] = DIV4(FRQCRB, 16, 0x6fff, 0),
361         [DIV4_ZX] = DIV4(FRQCRB, 12, 0x6fff, 0),
362         [DIV4_HP] = DIV4(FRQCRB, 4, 0x6fff, 0),
363         [DIV4_ISPB] = DIV4(FRQCRC, 20, 0x6fff, 0),
364         [DIV4_S] = DIV4(FRQCRC, 12, 0x6fff, 0),
365         [DIV4_ZB] = DIV4(FRQCRC, 8, 0x6fff, 0),
366         [DIV4_ZB3] = DIV4(FRQCRC, 4, 0x6fff, 0),
367         [DIV4_CP] = DIV4(FRQCRC, 0, 0x6fff, 0),
368         [DIV4_DDRP] = DIV4(FRQCRD, 0, 0x677c, 0),
369 };
370
371 enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_FMSI, DIV6_FMSO,
372        DIV6_SUB, DIV6_SPU,
373        DIV6_VOU, DIV6_DSIT, DIV6_DSI0P, DIV6_DSI1P,
374        DIV6_NR };
375
376 static struct clk div6_clks[DIV6_NR] = {
377         [DIV6_VCK1] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR1, 0),
378         [DIV6_VCK2] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR2, 0),
379         [DIV6_VCK3] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR3, 0),
380         [DIV6_FMSI] = SH_CLK_DIV6(&pllc1_div2_clk, FMSICKCR, 0),
381         [DIV6_FMSO] = SH_CLK_DIV6(&pllc1_div2_clk, FMSOCKCR, 0),
382         [DIV6_SUB] = SH_CLK_DIV6(&sh7372_extal2_clk, SUBCKCR, 0),
383         [DIV6_SPU] = SH_CLK_DIV6(&pllc1_div2_clk, SPUCKCR, 0),
384         [DIV6_VOU] = SH_CLK_DIV6(&pllc1_div2_clk, VOUCKCR, 0),
385         [DIV6_DSIT] = SH_CLK_DIV6(&pllc1_div2_clk, DSITCKCR, 0),
386         [DIV6_DSI0P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI0PCKCR, 0),
387         [DIV6_DSI1P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI1PCKCR, 0),
388 };
389
390 enum { DIV6_HDMI, DIV6_FSIA, DIV6_FSIB, DIV6_REPARENT_NR };
391
392 /* Indices are important - they are the actual src selecting values */
393 static struct clk *hdmi_parent[] = {
394         [0] = &pllc1_div2_clk,
395         [1] = &sh7372_pllc2_clk,
396         [2] = &sh7372_dv_clki_clk,
397         [3] = NULL,     /* pllc2_div4 not implemented yet */
398 };
399
400 static struct clk *fsiackcr_parent[] = {
401         [0] = &pllc1_div2_clk,
402         [1] = &sh7372_pllc2_clk,
403         [2] = &sh7372_fsiack_clk, /* external input for FSI A */
404         [3] = NULL,     /* setting prohibited */
405 };
406
407 static struct clk *fsibckcr_parent[] = {
408         [0] = &pllc1_div2_clk,
409         [1] = &sh7372_pllc2_clk,
410         [2] = &sh7372_fsibck_clk, /* external input for FSI B */
411         [3] = NULL,     /* setting prohibited */
412 };
413
414 static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
415         [DIV6_HDMI] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, HDMICKCR, 0,
416                                       hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2),
417         [DIV6_FSIA] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, FSIACKCR, 0,
418                                       fsiackcr_parent, ARRAY_SIZE(fsiackcr_parent), 6, 2),
419         [DIV6_FSIB] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, FSIBCKCR, 0,
420                                       fsibckcr_parent, ARRAY_SIZE(fsibckcr_parent), 6, 2),
421 };
422
423 /* FSI DIV */
424 static unsigned long fsidiv_recalc(struct clk *clk)
425 {
426         unsigned long value;
427
428         value = __raw_readl(clk->mapping->base);
429
430         if ((value & 0x3) != 0x3)
431                 return 0;
432
433         value >>= 16;
434         if (value < 2)
435                 return 0;
436
437         return clk->parent->rate / value;
438 }
439
440 static long fsidiv_round_rate(struct clk *clk, unsigned long rate)
441 {
442         return clk_rate_div_range_round(clk, 2, 0xffff, rate);
443 }
444
445 static void fsidiv_disable(struct clk *clk)
446 {
447         __raw_writel(0, clk->mapping->base);
448 }
449
450 static int fsidiv_enable(struct clk *clk)
451 {
452         unsigned long value;
453
454         value  = __raw_readl(clk->mapping->base) >> 16;
455         if (value < 2) {
456                 fsidiv_disable(clk);
457                 return -ENOENT;
458         }
459
460         __raw_writel((value << 16) | 0x3, clk->mapping->base);
461
462         return 0;
463 }
464
465 static int fsidiv_set_rate(struct clk *clk, unsigned long rate)
466 {
467         int idx;
468
469         if (clk->parent->rate == rate) {
470                 fsidiv_disable(clk);
471                 return 0;
472         }
473
474         idx = (clk->parent->rate / rate) & 0xffff;
475         if (idx < 2)
476                 return -ENOENT;
477
478         __raw_writel(idx << 16, clk->mapping->base);
479         return fsidiv_enable(clk);
480 }
481
482 static struct clk_ops fsidiv_clk_ops = {
483         .recalc         = fsidiv_recalc,
484         .round_rate     = fsidiv_round_rate,
485         .set_rate       = fsidiv_set_rate,
486         .enable         = fsidiv_enable,
487         .disable        = fsidiv_disable,
488 };
489
490 static struct clk_mapping sh7372_fsidiva_clk_mapping = {
491         .phys   = FSIDIVA,
492         .len    = 8,
493 };
494
495 struct clk sh7372_fsidiva_clk = {
496         .ops            = &fsidiv_clk_ops,
497         .parent         = &div6_reparent_clks[DIV6_FSIA], /* late install */
498         .mapping        = &sh7372_fsidiva_clk_mapping,
499 };
500
501 static struct clk_mapping sh7372_fsidivb_clk_mapping = {
502         .phys   = FSIDIVB,
503         .len    = 8,
504 };
505
506 struct clk sh7372_fsidivb_clk = {
507         .ops            = &fsidiv_clk_ops,
508         .parent         = &div6_reparent_clks[DIV6_FSIB],  /* late install */
509         .mapping        = &sh7372_fsidivb_clk_mapping,
510 };
511
512 static struct clk *late_main_clks[] = {
513         &sh7372_fsidiva_clk,
514         &sh7372_fsidivb_clk,
515 };
516
517 enum { MSTP001,
518        MSTP131, MSTP130,
519        MSTP129, MSTP128, MSTP127, MSTP126, MSTP125,
520        MSTP118, MSTP117, MSTP116,
521        MSTP106, MSTP101, MSTP100,
522        MSTP223,
523        MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
524        MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
525        MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
526        MSTP_NR };
527
528 #define MSTP(_parent, _reg, _bit, _flags) \
529   SH_CLK_MSTP32(_parent, _reg, _bit, _flags)
530
531 static struct clk mstp_clks[MSTP_NR] = {
532         [MSTP001] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 1, 0), /* IIC2 */
533         [MSTP131] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 31, 0), /* VEU3 */
534         [MSTP130] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 30, 0), /* VEU2 */
535         [MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* VEU1 */
536         [MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* VEU0 */
537         [MSTP127] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 27, 0), /* CEU */
538         [MSTP126] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 26, 0), /* CSI2 */
539         [MSTP125] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
540         [MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX */
541         [MSTP117] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */
542         [MSTP116] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */
543         [MSTP106] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 6, 0), /* JPU */
544         [MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */
545         [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
546         [MSTP223] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR2, 23, 0), /* SPU2 */
547         [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
548         [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
549         [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
550         [MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */
551         [MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */
552         [MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */
553         [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
554         [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
555         [MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, 0), /* FSI2 */
556         [MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */
557         [MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */
558         [MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */
559         [MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */
560         [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */
561         [MSTP415] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */
562         [MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */
563         [MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */
564         [MSTP410] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 10, 0), /* IIC4 */
565         [MSTP406] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 6, 0), /* USB1 */
566         [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
567 };
568
569 #define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
570 #define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk }
571 #define CLKDEV_ICK_ID(_cid, _did, _clk) { .con_id = _cid, .dev_id = _did, .clk = _clk }
572
573 static struct clk_lookup lookups[] = {
574         /* main clocks */
575         CLKDEV_CON_ID("dv_clki_div2_clk", &sh7372_dv_clki_div2_clk),
576         CLKDEV_CON_ID("r_clk", &r_clk),
577         CLKDEV_CON_ID("extal1", &sh7372_extal1_clk),
578         CLKDEV_CON_ID("extal2", &sh7372_extal2_clk),
579         CLKDEV_CON_ID("extal1_div2_clk", &extal1_div2_clk),
580         CLKDEV_CON_ID("extal2_div2_clk", &extal2_div2_clk),
581         CLKDEV_CON_ID("extal2_div4_clk", &extal2_div4_clk),
582         CLKDEV_CON_ID("pllc0_clk", &pllc0_clk),
583         CLKDEV_CON_ID("pllc1_clk", &pllc1_clk),
584         CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk),
585         CLKDEV_CON_ID("pllc2_clk", &sh7372_pllc2_clk),
586
587         /* DIV4 clocks */
588         CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]),
589         CLKDEV_CON_ID("zg_clk", &div4_clks[DIV4_ZG]),
590         CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]),
591         CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]),
592         CLKDEV_CON_ID("csir_clk", &div4_clks[DIV4_CSIR]),
593         CLKDEV_CON_ID("ztr_clk", &div4_clks[DIV4_ZTR]),
594         CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]),
595         CLKDEV_CON_ID("zx_clk", &div4_clks[DIV4_ZX]),
596         CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]),
597         CLKDEV_CON_ID("ispb_clk", &div4_clks[DIV4_ISPB]),
598         CLKDEV_CON_ID("s_clk", &div4_clks[DIV4_S]),
599         CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]),
600         CLKDEV_CON_ID("zb3_clk", &div4_clks[DIV4_ZB3]),
601         CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]),
602         CLKDEV_CON_ID("ddrp_clk", &div4_clks[DIV4_DDRP]),
603
604         /* DIV6 clocks */
605         CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]),
606         CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]),
607         CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]),
608         CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]),
609         CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]),
610         CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FSIA]),
611         CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FSIB]),
612         CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]),
613         CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]),
614         CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]),
615         CLKDEV_CON_ID("hdmi_clk", &div6_reparent_clks[DIV6_HDMI]),
616         CLKDEV_CON_ID("dsit_clk", &div6_clks[DIV6_DSIT]),
617         CLKDEV_CON_ID("dsi0p_clk", &div6_clks[DIV6_DSI0P]),
618         CLKDEV_CON_ID("dsi1p_clk", &div6_clks[DIV6_DSI1P]),
619
620         /* MSTP32 clocks */
621         CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */
622         CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[MSTP131]), /* VEU3 */
623         CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[MSTP130]), /* VEU2 */
624         CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[MSTP129]), /* VEU1 */
625         CLKDEV_DEV_ID("uio_pdrv_genirq.1", &mstp_clks[MSTP128]), /* VEU0 */
626         CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]), /* CEU */
627         CLKDEV_DEV_ID("sh-mobile-csi2.0", &mstp_clks[MSTP126]), /* CSI2 */
628         CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */
629         CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */
630         CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */
631         CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */
632         CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */
633         CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */
634         CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[MSTP101]), /* VPU */
635         CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
636         CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[MSTP223]), /* SPU2DSP0 */
637         CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[MSTP223]), /* SPU2DSP1 */
638         CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
639         CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */
640         CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
641         CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */
642         CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */
643         CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */
644         CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
645         CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
646         CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */
647         CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */
648         CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP323]), /* USB0 */
649         CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP323]), /* USB0 */
650         CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
651         CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
652         CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */
653         CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), /* SDHI2 */
654         CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */
655         CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */
656         CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */
657         CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */
658         CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */
659         CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
660
661         CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]),
662         CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]),
663         CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]),
664 };
665
666 void __init sh7372_clock_init(void)
667 {
668         int k, ret = 0;
669
670         for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
671                 ret = clk_register(main_clks[k]);
672
673         if (!ret)
674                 ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
675
676         if (!ret)
677                 ret = sh_clk_div6_register(div6_clks, DIV6_NR);
678
679         if (!ret)
680                 ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR);
681
682         if (!ret)
683                 ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
684
685         for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
686                 ret = clk_register(late_main_clks[k]);
687
688         clkdev_add_table(lookups, ARRAY_SIZE(lookups));
689
690         if (!ret)
691                 clk_init();
692         else
693                 panic("failed to setup sh7372 clocks\n");
694
695 }