summaryrefslogtreecommitdiff
path: root/drivers/clk/tegra/clk-tegra20.c
blob: b92d48be4cc93dab2deb7ad561912f112fecd860 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
/*
 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/io.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/clk/tegra.h>
#include <linux/delay.h>

#include "clk.h"

#define RST_DEVICES_L 0x004
#define RST_DEVICES_H 0x008
#define RST_DEVICES_U 0x00c
#define RST_DEVICES_SET_L 0x300
#define RST_DEVICES_CLR_L 0x304
#define RST_DEVICES_SET_H 0x308
#define RST_DEVICES_CLR_H 0x30c
#define RST_DEVICES_SET_U 0x310
#define RST_DEVICES_CLR_U 0x314
#define RST_DEVICES_NUM 3

#define CLK_OUT_ENB_L 0x010
#define CLK_OUT_ENB_H 0x014
#define CLK_OUT_ENB_U 0x018
#define CLK_OUT_ENB_SET_L 0x320
#define CLK_OUT_ENB_CLR_L 0x324
#define CLK_OUT_ENB_SET_H 0x328
#define CLK_OUT_ENB_CLR_H 0x32c
#define CLK_OUT_ENB_SET_U 0x330
#define CLK_OUT_ENB_CLR_U 0x334
#define CLK_OUT_ENB_NUM 3

#define OSC_CTRL 0x50
#define OSC_CTRL_OSC_FREQ_MASK (3<<30)
#define OSC_CTRL_OSC_FREQ_13MHZ (0<<30)
#define OSC_CTRL_OSC_FREQ_19_2MHZ (1<<30)
#define OSC_CTRL_OSC_FREQ_12MHZ (2<<30)
#define OSC_CTRL_OSC_FREQ_26MHZ (3<<30)
#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK)

#define OSC_CTRL_PLL_REF_DIV_MASK (3<<28)
#define OSC_CTRL_PLL_REF_DIV_1		(0<<28)
#define OSC_CTRL_PLL_REF_DIV_2		(1<<28)
#define OSC_CTRL_PLL_REF_DIV_4		(2<<28)

#define OSC_FREQ_DET 0x58
#define OSC_FREQ_DET_TRIG (1<<31)

#define OSC_FREQ_DET_STATUS 0x5c
#define OSC_FREQ_DET_BUSY (1<<31)
#define OSC_FREQ_DET_CNT_MASK 0xFFFF

#define PLLS_BASE 0xf0
#define PLLS_MISC 0xf4
#define PLLC_BASE 0x80
#define PLLC_MISC 0x8c
#define PLLM_BASE 0x90
#define PLLM_MISC 0x9c
#define PLLP_BASE 0xa0
#define PLLP_MISC 0xac
#define PLLA_BASE 0xb0
#define PLLA_MISC 0xbc
#define PLLU_BASE 0xc0
#define PLLU_MISC 0xcc
#define PLLD_BASE 0xd0
#define PLLD_MISC 0xdc
#define PLLX_BASE 0xe0
#define PLLX_MISC 0xe4
#define PLLE_BASE 0xe8
#define PLLE_MISC 0xec

#define PLL_BASE_LOCK 27
#define PLLE_MISC_LOCK 11

#define PLL_MISC_LOCK_ENABLE 18
#define PLLDU_MISC_LOCK_ENABLE 22
#define PLLE_MISC_LOCK_ENABLE 9

#define PLLC_OUT 0x84
#define PLLM_OUT 0x94
#define PLLP_OUTA 0xa4
#define PLLP_OUTB 0xa8
#define PLLA_OUT 0xb4

#define CCLK_BURST_POLICY 0x20
#define SUPER_CCLK_DIVIDER 0x24
#define SCLK_BURST_POLICY 0x28
#define SUPER_SCLK_DIVIDER 0x2c
#define CLK_SYSTEM_RATE 0x30

#define CCLK_BURST_POLICY_SHIFT	28
#define CCLK_RUN_POLICY_SHIFT	4
#define CCLK_IDLE_POLICY_SHIFT	0
#define CCLK_IDLE_POLICY	1
#define CCLK_RUN_POLICY		2
#define CCLK_BURST_POLICY_PLLX	8

#define CLK_SOURCE_I2S1 0x100
#define CLK_SOURCE_I2S2 0x104
#define CLK_SOURCE_SPDIF_OUT 0x108
#define CLK_SOURCE_SPDIF_IN 0x10c
#define CLK_SOURCE_PWM 0x110
#define CLK_SOURCE_SPI 0x114
#define CLK_SOURCE_SBC1 0x134
#define CLK_SOURCE_SBC2 0x118
#define CLK_SOURCE_SBC3 0x11c
#define CLK_SOURCE_SBC4 0x1b4
#define CLK_SOURCE_XIO 0x120
#define CLK_SOURCE_TWC 0x12c
#define CLK_SOURCE_IDE 0x144
#define CLK_SOURCE_NDFLASH 0x160
#define CLK_SOURCE_VFIR 0x168
#define CLK_SOURCE_SDMMC1 0x150
#define CLK_SOURCE_SDMMC2 0x154
#define CLK_SOURCE_SDMMC3 0x1bc
#define CLK_SOURCE_SDMMC4 0x164
#define CLK_SOURCE_CVE 0x140
#define CLK_SOURCE_TVO 0x188
#define CLK_SOURCE_TVDAC 0x194
#define CLK_SOURCE_HDMI 0x18c
#define CLK_SOURCE_DISP1 0x138
#define CLK_SOURCE_DISP2 0x13c
#define CLK_SOURCE_CSITE 0x1d4
#define CLK_SOURCE_LA 0x1f8
#define CLK_SOURCE_OWR 0x1cc
#define CLK_SOURCE_NOR 0x1d0
#define CLK_SOURCE_MIPI 0x174
#define CLK_SOURCE_I2C1 0x124
#define CLK_SOURCE_I2C2 0x198
#define CLK_SOURCE_I2C3 0x1b8
#define CLK_SOURCE_DVC 0x128
#define CLK_SOURCE_UARTA 0x178
#define CLK_SOURCE_UARTB 0x17c
#define CLK_SOURCE_UARTC 0x1a0
#define CLK_SOURCE_UARTD 0x1c0
#define CLK_SOURCE_UARTE 0x1c4
#define CLK_SOURCE_3D 0x158
#define CLK_SOURCE_2D 0x15c
#define CLK_SOURCE_MPE 0x170
#define CLK_SOURCE_EPP 0x16c
#define CLK_SOURCE_HOST1X 0x180
#define CLK_SOURCE_VDE 0x1c8
#define CLK_SOURCE_VI 0x148
#define CLK_SOURCE_VI_SENSOR 0x1a8
#define CLK_SOURCE_EMC 0x19c

#define AUDIO_SYNC_CLK 0x38

#define PMC_CTRL 0x0
#define PMC_CTRL_BLINK_ENB 7
#define PMC_DPD_PADS_ORIDE 0x1c
#define PMC_DPD_PADS_ORIDE_BLINK_ENB 20
#define PMC_BLINK_TIMER 0x40

/* Tegra CPU clock and reset control regs */
#define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX		0x4c
#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET	0x340
#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR	0x344

#define CPU_CLOCK(cpu)	(0x1 << (8 + cpu))
#define CPU_RESET(cpu)	(0x1111ul << (cpu))

#ifdef CONFIG_PM_SLEEP
static struct cpu_clk_suspend_context {
	u32 pllx_misc;
	u32 pllx_base;

	u32 cpu_burst;
	u32 clk_csite_src;
	u32 cclk_divider;
} tegra20_cpu_clk_sctx;
#endif

static int periph_clk_enb_refcnt[CLK_OUT_ENB_NUM * 32];

static void __iomem *clk_base;
static void __iomem *pmc_base;

static DEFINE_SPINLOCK(pll_div_lock);
static DEFINE_SPINLOCK(sysrate_lock);

#define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset,	\
			    _clk_num, _regs, _gate_flags, _clk_id)	\
	TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset,	\
			30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,	\
			_regs, _clk_num, periph_clk_enb_refcnt,		\
			_gate_flags, _clk_id)

#define TEGRA_INIT_DATA_INT(_name, _con_id, _dev_id, _parents, _offset,	\
			    _clk_num, _regs, _gate_flags, _clk_id)	\
	TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset,	\
			30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs,	\
			_clk_num, periph_clk_enb_refcnt, _gate_flags,	\
			_clk_id)

#define TEGRA_INIT_DATA_DIV16(_name, _con_id, _dev_id, _parents, _offset, \
			      _clk_num, _regs, _gate_flags, _clk_id)	\
	TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset,	\
			30, 2, 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP, _regs, \
			_clk_num, periph_clk_enb_refcnt, _gate_flags,	\
			_clk_id)

#define TEGRA_INIT_DATA_NODIV(_name, _con_id, _dev_id, _parents, _offset, \
			      _mux_shift, _mux_width, _clk_num, _regs,	\
			      _gate_flags, _clk_id)			\
	TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset,	\
			_mux_shift, _mux_width, 0, 0, 0, 0, 0, _regs,	\
			_clk_num, periph_clk_enb_refcnt, _gate_flags,	\
			_clk_id)

/* IDs assigned here must be in sync with DT bindings definition
 * for Tegra20 clocks .
 */
enum tegra20_clk {
	cpu, ac97 = 3, rtc, timer, uarta, gpio = 8, sdmmc2, i2s1 = 11, i2c1,
	ndflash, sdmmc1, sdmmc4, twc, pwm, i2s2, epp, gr2d = 21, usbd, isp,
	gr3d, ide, disp2, disp1, host1x, vcp, cache2 = 31, mem, ahbdma, apbdma,
	kbc = 36, stat_mon, pmc, fuse, kfuse, sbc1, nor, spi, sbc2, xio, sbc3,
	dvc, dsi, mipi = 50, hdmi, csi, tvdac, i2c2, uartc, emc = 57, usb2,
	usb3, mpe, vde, bsea, bsev, speedo, uartd, uarte, i2c3, sbc4, sdmmc3,
	pex, owr, afi, csite, pcie_xclk, avpucq = 75, la, irama = 84, iramb,
	iramc, iramd, cram2, audio_2x, clk_d, csus = 92, cdev1, cdev2,
	uartb = 96, vfir, spdif_in, spdif_out, vi, vi_sensor, tvo, cve,
	osc, clk_32k, clk_m, sclk, cclk, hclk, pclk, blink, pll_a, pll_a_out0,
	pll_c, pll_c_out1, pll_d, pll_d_out0, pll_e, pll_m, pll_m_out1,
	pll_p, pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_s, pll_u,
	pll_x, cop, audio, pll_ref, twd, clk_max,
};

static struct clk *clks[clk_max];
static struct clk_onecell_data clk_data;

static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
	{ 12000000, 600000000, 600, 12, 1, 8 },
	{ 13000000, 600000000, 600, 13, 1, 8 },
	{ 19200000, 600000000, 500, 16, 1, 6 },
	{ 26000000, 600000000, 600, 26, 1, 8 },
	{ 0, 0, 0, 0, 0, 0 },
};

static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
	{ 12000000, 666000000, 666, 12, 1, 8},
	{ 13000000, 666000000, 666, 13, 1, 8},
	{ 19200000, 666000000, 555, 16, 1, 8},
	{ 26000000, 666000000, 666, 26, 1, 8},
	{ 12000000, 600000000, 600, 12, 1, 8},
	{ 13000000, 600000000, 600, 13, 1, 8},
	{ 19200000, 600000000, 375, 12, 1, 6},
	{ 26000000, 600000000, 600, 26, 1, 8},
	{ 0, 0, 0, 0, 0, 0 },
};

static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
	{ 12000000, 216000000, 432, 12, 2, 8},
	{ 13000000, 216000000, 432, 13, 2, 8},
	{ 19200000, 216000000, 90,   4, 2, 1},
	{ 26000000, 216000000, 432, 26, 2, 8},
	{ 12000000, 432000000, 432, 12, 1, 8},
	{ 13000000, 432000000, 432, 13, 1, 8},
	{ 19200000, 432000000, 90,   4, 1, 1},
	{ 26000000, 432000000, 432, 26, 1, 8},
	{ 0, 0, 0, 0, 0, 0 },
};

static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
	{ 28800000, 56448000, 49, 25, 1, 1},
	{ 28800000, 73728000, 64, 25, 1, 1},
	{ 28800000, 24000000,  5,  6, 1, 1},
	{ 0, 0, 0, 0, 0, 0 },
};

static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
	{ 12000000, 216000000, 216, 12, 1, 4},
	{ 13000000, 216000000, 216, 13, 1, 4},
	{ 19200000, 216000000, 135, 12, 1, 3},
	{ 26000000, 216000000, 216, 26, 1, 4},

	{ 12000000, 594000000, 594, 12, 1, 8},
	{ 13000000, 594000000, 594, 13, 1, 8},
	{ 19200000, 594000000, 495, 16, 1, 8},
	{ 26000000, 594000000, 594, 26, 1, 8},

	{ 12000000, 1000000000, 1000, 12, 1, 12},
	{ 13000000, 1000000000, 1000, 13, 1, 12},
	{ 19200000, 1000000000, 625,  12, 1, 8},
	{ 26000000, 1000000000, 1000, 26, 1, 12},

	{ 0, 0, 0, 0, 0, 0 },
};

static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
	{ 12000000, 480000000, 960, 12, 2, 0},
	{ 13000000, 480000000, 960, 13, 2, 0},
	{ 19200000, 480000000, 200, 4,  2, 0},
	{ 26000000, 480000000, 960, 26, 2, 0},
	{ 0, 0, 0, 0, 0, 0 },
};

static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
	/* 1 GHz */
	{ 12000000, 1000000000, 1000, 12, 1, 12},
	{ 13000000, 1000000000, 1000, 13, 1, 12},
	{ 19200000, 1000000000, 625,  12, 1, 8},
	{ 26000000, 1000000000, 1000, 26, 1, 12},

	/* 912 MHz */
	{ 12000000, 912000000,  912,  12, 1, 12},
	{ 13000000, 912000000,  912,  13, 1, 12},
	{ 19200000, 912000000,  760,  16, 1, 8},
	{ 26000000, 912000000,  912,  26, 1, 12},

	/* 816 MHz */
	{ 12000000, 816000000,  816,  12, 1, 12},
	{ 13000000, 816000000,  816,  13, 1, 12},
	{ 19200000, 816000000,  680,  16, 1, 8},
	{ 26000000, 816000000,  816,  26, 1, 12},

	/* 760 MHz */
	{ 12000000, 760000000,  760,  12, 1, 12},
	{ 13000000, 760000000,  760,  13, 1, 12},
	{ 19200000, 760000000,  950,  24, 1, 8},
	{ 26000000, 760000000,  760,  26, 1, 12},

	/* 750 MHz */
	{ 12000000, 750000000,  750,  12, 1, 12},
	{ 13000000, 750000000,  750,  13, 1, 12},
	{ 19200000, 750000000,  625,  16, 1, 8},
	{ 26000000, 750000000,  750,  26, 1, 12},

	/* 608 MHz */
	{ 12000000, 608000000,  608,  12, 1, 12},
	{ 13000000, 608000000,  608,  13, 1, 12},
	{ 19200000, 608000000,  380,  12, 1, 8},
	{ 26000000, 608000000,  608,  26, 1, 12},

	/* 456 MHz */
	{ 12000000, 456000000,  456,  12, 1, 12},
	{ 13000000, 456000000,  456,  13, 1, 12},
	{ 19200000, 456000000,  380,  16, 1, 8},
	{ 26000000, 456000000,  456,  26, 1, 12},

	/* 312 MHz */
	{ 12000000, 312000000,  312,  12, 1, 12},
	{ 13000000, 312000000,  312,  13, 1, 12},
	{ 19200000, 312000000,  260,  16, 1, 8},
	{ 26000000, 312000000,  312,  26, 1, 12},

	{ 0, 0, 0, 0, 0, 0 },
};

static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
	{ 12000000, 100000000,  200,  24, 1, 0 },
	{ 0, 0, 0, 0, 0, 0 },
};

/* PLL parameters */
static struct tegra_clk_pll_params pll_c_params = {
	.input_min = 2000000,
	.input_max = 31000000,
	.cf_min = 1000000,
	.cf_max = 6000000,
	.vco_min = 20000000,
	.vco_max = 1400000000,
	.base_reg = PLLC_BASE,
	.misc_reg = PLLC_MISC,
	.lock_bit_idx = PLL_BASE_LOCK,
	.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
	.lock_delay = 300,
};

static struct tegra_clk_pll_params pll_m_params = {
	.input_min = 2000000,
	.input_max = 31000000,
	.cf_min = 1000000,
	.cf_max = 6000000,
	.vco_min = 20000000,
	.vco_max = 1200000000,
	.base_reg = PLLM_BASE,
	.misc_reg = PLLM_MISC,
	.lock_bit_idx = PLL_BASE_LOCK,
	.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
	.lock_delay = 300,
};

static struct tegra_clk_pll_params pll_p_params = {
	.input_min = 2000000,
	.input_max = 31000000,
	.cf_min = 1000000,
	.cf_max = 6000000,
	.vco_min = 20000000,
	.vco_max = 1400000000,
	.base_reg = PLLP_BASE,
	.misc_reg = PLLP_MISC,
	.lock_bit_idx = PLL_BASE_LOCK,
	.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
	.lock_delay = 300,
};

static struct tegra_clk_pll_params pll_a_params = {
	.input_min = 2000000,
	.input_max = 31000000,
	.cf_min = 1000000,
	.cf_max = 6000000,
	.vco_min = 20000000,
	.vco_max = 1400000000,
	.base_reg = PLLA_BASE,
	.misc_reg = PLLA_MISC,
	.lock_bit_idx = PLL_BASE_LOCK,
	.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
	.lock_delay = 300,
};

static struct tegra_clk_pll_params pll_d_params = {
	.input_min = 2000000,
	.input_max = 40000000,
	.cf_min = 1000000,
	.cf_max = 6000000,
	.vco_min = 40000000,
	.vco_max = 1000000000,
	.base_reg = PLLD_BASE,
	.misc_reg = PLLD_MISC,
	.lock_bit_idx = PLL_BASE_LOCK,
	.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
	.lock_delay = 1000,
};

static struct tegra_clk_pll_params pll_u_params = {
	.input_min = 2000000,
	.input_max = 40000000,
	.cf_min = 1000000,
	.cf_max = 6000000,
	.vco_min = 48000000,
	.vco_max = 960000000,
	.base_reg = PLLU_BASE,
	.misc_reg = PLLU_MISC,
	.lock_bit_idx = PLL_BASE_LOCK,
	.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
	.lock_delay = 1000,
};

static struct tegra_clk_pll_params pll_x_params = {
	.input_min = 2000000,
	.input_max = 31000000,
	.cf_min = 1000000,
	.cf_max = 6000000,
	.vco_min = 20000000,
	.vco_max = 1200000000,
	.base_reg = PLLX_BASE,
	.misc_reg = PLLX_MISC,
	.lock_bit_idx = PLL_BASE_LOCK,
	.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
	.lock_delay = 300,
};

static struct tegra_clk_pll_params pll_e_params = {
	.input_min = 12000000,
	.input_max = 12000000,
	.cf_min = 0,
	.cf_max = 0,
	.vco_min = 0,
	.vco_max = 0,
	.base_reg = PLLE_BASE,
	.misc_reg = PLLE_MISC,
	.lock_bit_idx = PLLE_MISC_LOCK,
	.lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
	.lock_delay = 0,
};

/* Peripheral clock registers */
static struct tegra_clk_periph_regs periph_l_regs = {
	.enb_reg = CLK_OUT_ENB_L,
	.enb_set_reg = CLK_OUT_ENB_SET_L,
	.enb_clr_reg = CLK_OUT_ENB_CLR_L,
	.rst_reg = RST_DEVICES_L,
	.rst_set_reg = RST_DEVICES_SET_L,
	.rst_clr_reg = RST_DEVICES_CLR_L,
};

static struct tegra_clk_periph_regs periph_h_regs = {
	.enb_reg = CLK_OUT_ENB_H,
	.enb_set_reg = CLK_OUT_ENB_SET_H,
	.enb_clr_reg = CLK_OUT_ENB_CLR_H,
	.rst_reg = RST_DEVICES_H,
	.rst_set_reg = RST_DEVICES_SET_H,
	.rst_clr_reg = RST_DEVICES_CLR_H,
};

static struct tegra_clk_periph_regs periph_u_regs = {
	.enb_reg = CLK_OUT_ENB_U,
	.enb_set_reg = CLK_OUT_ENB_SET_U,
	.enb_clr_reg = CLK_OUT_ENB_CLR_U,
	.rst_reg = RST_DEVICES_U,
	.rst_set_reg = RST_DEVICES_SET_U,
	.rst_clr_reg = RST_DEVICES_CLR_U,
};

static unsigned long tegra20_clk_measure_input_freq(void)
{
	u32 osc_ctrl = readl_relaxed(clk_base + OSC_CTRL);
	u32 auto_clk_control = osc_ctrl & OSC_CTRL_OSC_FREQ_MASK;
	u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK;
	unsigned long input_freq;

	switch (auto_clk_control) {
	case OSC_CTRL_OSC_FREQ_12MHZ:
		BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
		input_freq = 12000000;
		break;
	case OSC_CTRL_OSC_FREQ_13MHZ:
		BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
		input_freq = 13000000;
		break;
	case OSC_CTRL_OSC_FREQ_19_2MHZ:
		BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
		input_freq = 19200000;
		break;
	case OSC_CTRL_OSC_FREQ_26MHZ:
		BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
		input_freq = 26000000;
		break;
	default:
		pr_err("Unexpected clock autodetect value %d",
		       auto_clk_control);
		BUG();
		return 0;
	}

	return input_freq;
}

static unsigned int tegra20_get_pll_ref_div(void)
{
	u32 pll_ref_div = readl_relaxed(clk_base + OSC_CTRL) &
		OSC_CTRL_PLL_REF_DIV_MASK;

	switch (pll_ref_div) {
	case OSC_CTRL_PLL_REF_DIV_1:
		return 1;
	case OSC_CTRL_PLL_REF_DIV_2:
		return 2;
	case OSC_CTRL_PLL_REF_DIV_4:
		return 4;
	default:
		pr_err("Invalied pll ref divider %d\n", pll_ref_div);
		BUG();
	}
	return 0;
}

static void tegra20_pll_init(void)
{
	struct clk *clk;

	/* PLLC */
	clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, NULL, 0,
			    0, &pll_c_params, TEGRA_PLL_HAS_CPCON,
			    pll_c_freq_table, NULL);
	clk_register_clkdev(clk, "pll_c", NULL);
	clks[pll_c] = clk;

	/* PLLC_OUT1 */
	clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
				clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
				8, 8, 1, NULL);
	clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
				clk_base + PLLC_OUT, 1, 0, CLK_SET_RATE_PARENT,
				0, NULL);
	clk_register_clkdev(clk, "pll_c_out1", NULL);
	clks[pll_c_out1] = clk;

	/* PLLP */
	clk = tegra_clk_register_pll("pll_p", "pll_ref", clk_base, NULL, 0,
			    216000000, &pll_p_params, TEGRA_PLL_FIXED |
			    TEGRA_PLL_HAS_CPCON, pll_p_freq_table, NULL);
	clk_register_clkdev(clk, "pll_p", NULL);
	clks[pll_p] = clk;

	/* PLLP_OUT1 */
	clk = tegra_clk_register_divider("pll_p_out1_div", "pll_p",
				clk_base + PLLP_OUTA, 0,
				TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP,
				8, 8, 1, &pll_div_lock);
	clk = tegra_clk_register_pll_out("pll_p_out1", "pll_p_out1_div",
				clk_base + PLLP_OUTA, 1, 0,
				CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
				&pll_div_lock);
	clk_register_clkdev(clk, "pll_p_out1", NULL);
	clks[pll_p_out1] = clk;

	/* PLLP_OUT2 */
	clk = tegra_clk_register_divider("pll_p_out2_div", "pll_p",
				clk_base + PLLP_OUTA, 0,
				TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP,
				24, 8, 1, &pll_div_lock);
	clk = tegra_clk_register_pll_out("pll_p_out2", "pll_p_out2_div",
				clk_base + PLLP_OUTA, 17, 16,
				CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
				&pll_div_lock);
	clk_register_clkdev(clk, "pll_p_out2", NULL);
	clks[pll_p_out2] = clk;

	/* PLLP_OUT3 */
	clk = tegra_clk_register_divider("pll_p_out3_div", "pll_p",
				clk_base + PLLP_OUTB, 0,
				TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP,
				8, 8, 1, &pll_div_lock);
	clk = tegra_clk_register_pll_out("pll_p_out3", "pll_p_out3_div",
				clk_base + PLLP_OUTB, 1, 0,
				CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
				&pll_div_lock);
	clk_register_clkdev(clk, "pll_p_out3", NULL);
	clks[pll_p_out3] = clk;

	/* PLLP_OUT4 */
	clk = tegra_clk_register_divider("pll_p_out4_div", "pll_p",
				clk_base + PLLP_OUTB, 0,
				TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP,
				24, 8, 1, &pll_div_lock);
	clk = tegra_clk_register_pll_out("pll_p_out4", "pll_p_out4_div",
				clk_base + PLLP_OUTB, 17, 16,
				CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
				&pll_div_lock);
	clk_register_clkdev(clk, "pll_p_out4", NULL);
	clks[pll_p_out4] = clk;

	/* PLLM */
	clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, NULL,
			    CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, 0,
			    &pll_m_params, TEGRA_PLL_HAS_CPCON,
			    pll_m_freq_table, NULL);
	clk_register_clkdev(clk, "pll_m", NULL);
	clks[pll_m] = clk;

	/* PLLM_OUT1 */
	clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
				clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
				8, 8, 1, NULL);
	clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
				clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
				CLK_SET_RATE_PARENT, 0, NULL);
	clk_register_clkdev(clk, "pll_m_out1", NULL);
	clks[pll_m_out1] = clk;

	/* PLLX */
	clk = tegra_clk_register_pll("pll_x", "pll_ref", clk_base, NULL, 0,
			    0, &pll_x_params, TEGRA_PLL_HAS_CPCON,
			    pll_x_freq_table, NULL);
	clk_register_clkdev(clk, "pll_x", NULL);
	clks[pll_x] = clk;

	/* PLLU */
	clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, NULL, 0,
			    0, &pll_u_params, TEGRA_PLLU | TEGRA_PLL_HAS_CPCON,
			    pll_u_freq_table, NULL);
	clk_register_clkdev(clk, "pll_u", NULL);
	clks[pll_u] = clk;

	/* PLLD */
	clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, NULL, 0,
			    0, &pll_d_params, TEGRA_PLL_HAS_CPCON,
			    pll_d_freq_table, NULL);
	clk_register_clkdev(clk, "pll_d", NULL);
	clks[pll_d] = clk;

	/* PLLD_OUT0 */
	clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
					CLK_SET_RATE_PARENT, 1, 2);
	clk_register_clkdev(clk, "pll_d_out0", NULL);
	clks[pll_d_out0] = clk;

	/* PLLA */
	clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base, NULL, 0,
			    0, &pll_a_params, TEGRA_PLL_HAS_CPCON,
			    pll_a_freq_table, NULL);
	clk_register_clkdev(clk, "pll_a", NULL);
	clks[pll_a] = clk;

	/* PLLA_OUT0 */
	clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a",
				clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
				8, 8, 1, NULL);
	clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div",
				clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED |
				CLK_SET_RATE_PARENT, 0, NULL);
	clk_register_clkdev(clk, "pll_a_out0", NULL);
	clks[pll_a_out0] = clk;

	/* PLLE */
	clk = tegra_clk_register_plle("pll_e", "pll_ref", clk_base, NULL,
			     0, 100000000, &pll_e_params,
			     0, pll_e_freq_table, NULL);
	clk_register_clkdev(clk, "pll_e", NULL);
	clks[pll_e] = clk;
}

static const char *cclk_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
				      "pll_p", "pll_p_out4",
				      "pll_p_out3", "clk_d", "pll_x" };
static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
				      "pll_p_out3", "pll_p_out2", "clk_d",
				      "clk_32k", "pll_m_out1" };

static void tegra20_super_clk_init(void)
{
	struct clk *clk;

	/* CCLK */
	clk = tegra_clk_register_super_mux("cclk", cclk_parents,
			      ARRAY_SIZE(cclk_parents), CLK_SET_RATE_PARENT,
			      clk_base + CCLK_BURST_POLICY, 0, 4, 0, 0, NULL);
	clk_register_clkdev(clk, "cclk", NULL);
	clks[cclk] = clk;

	/* SCLK */
	clk = tegra_clk_register_super_mux("sclk", sclk_parents,
			      ARRAY_SIZE(sclk_parents), CLK_SET_RATE_PARENT,
			      clk_base + SCLK_BURST_POLICY, 0, 4, 0, 0, NULL);
	clk_register_clkdev(clk, "sclk", NULL);
	clks[sclk] = clk;

	/* HCLK */
	clk = clk_register_divider(NULL, "hclk_div", "sclk", 0,
				   clk_base + CLK_SYSTEM_RATE, 4, 2, 0,
				   &sysrate_lock);
	clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT,
				clk_base + CLK_SYSTEM_RATE, 7,
				CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
	clk_register_clkdev(clk, "hclk", NULL);
	clks[hclk] = clk;

	/* PCLK */
	clk = clk_register_divider(NULL, "pclk_div", "hclk", 0,
				   clk_base + CLK_SYSTEM_RATE, 0, 2, 0,
				   &sysrate_lock);
	clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT,
				clk_base + CLK_SYSTEM_RATE, 3,
				CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
	clk_register_clkdev(clk, "pclk", NULL);
	clks[pclk] = clk;

	/* twd */
	clk = clk_register_fixed_factor(NULL, "twd", "cclk", 0, 1, 4);
	clk_register_clkdev(clk, "twd", NULL);
	clks[twd] = clk;
}

static const char *audio_parents[] = {"spdif_in", "i2s1", "i2s2", "unused",
				      "pll_a_out0", "unused", "unused",
				      "unused"};

static void __init tegra20_audio_clk_init(void)
{
	struct clk *clk;

	/* audio */
	clk = clk_register_mux(NULL, "audio_mux", audio_parents,
				ARRAY_SIZE(audio_parents), 0,
				clk_base + AUDIO_SYNC_CLK, 0, 3, 0, NULL);
	clk = clk_register_gate(NULL, "audio", "audio_mux", 0,
				clk_base + AUDIO_SYNC_CLK, 4,
				CLK_GATE_SET_TO_DISABLE, NULL);
	clk_register_clkdev(clk, "audio", NULL);
	clks[audio] = clk;

	/* audio_2x */
	clk = clk_register_fixed_factor(NULL, "audio_doubler", "audio",
					CLK_SET_RATE_PARENT, 2, 1);
	clk = tegra_clk_register_periph_gate("audio_2x", "audio_doubler",
				    TEGRA_PERIPH_NO_RESET, clk_base,
				    CLK_SET_RATE_PARENT, 89, &periph_u_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "audio_2x", NULL);
	clks[audio_2x] = clk;

}

static const char *i2s1_parents[] = {"pll_a_out0", "audio_2x", "pll_p",
				     "clk_m"};
static const char *i2s2_parents[] = {"pll_a_out0", "audio_2x", "pll_p",
				     "clk_m"};
static const char *spdif_out_parents[] = {"pll_a_out0", "audio_2x", "pll_p",
					  "clk_m"};
static const char *spdif_in_parents[] = {"pll_p", "pll_c", "pll_m"};
static const char *pwm_parents[] = {"pll_p", "pll_c", "audio", "clk_m",
				    "clk_32k"};
static const char *mux_pllpcm_clkm[] = {"pll_p", "pll_c", "pll_m", "clk_m"};
static const char *mux_pllmcpa[] = {"pll_m", "pll_c", "pll_c", "pll_a"};
static const char *mux_pllpdc_clkm[] = {"pll_p", "pll_d_out0", "pll_c",
					"clk_m"};
static const char *mux_pllmcp_clkm[] = {"pll_m", "pll_c", "pll_p", "clk_m"};

static struct tegra_periph_init_data tegra_periph_clk_list[] = {
	TEGRA_INIT_DATA_MUX("i2s1",	NULL,		"tegra20-i2s.0", i2s1_parents,	    CLK_SOURCE_I2S1,	  11,	&periph_l_regs, TEGRA_PERIPH_ON_APB, i2s1),
	TEGRA_INIT_DATA_MUX("i2s2",	NULL,		"tegra20-i2s.1", i2s2_parents,	    CLK_SOURCE_I2S2,	  18,	&periph_l_regs, TEGRA_PERIPH_ON_APB, i2s2),
	TEGRA_INIT_DATA_MUX("spdif_out", "spdif_out",	"tegra20-spdif", spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10,	&periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_out),
	TEGRA_INIT_DATA_MUX("spdif_in",	"spdif_in",	"tegra20-spdif", spdif_in_parents,  CLK_SOURCE_SPDIF_IN,  10,	&periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_in),
	TEGRA_INIT_DATA_MUX("sbc1",	NULL,		"spi_tegra.0",	 mux_pllpcm_clkm,   CLK_SOURCE_SBC1,	  41,	&periph_h_regs, TEGRA_PERIPH_ON_APB, sbc1),
	TEGRA_INIT_DATA_MUX("sbc2",	NULL,		"spi_tegra.1",	 mux_pllpcm_clkm,   CLK_SOURCE_SBC2,	  44,	&periph_h_regs, TEGRA_PERIPH_ON_APB, sbc2),
	TEGRA_INIT_DATA_MUX("sbc3",	NULL,		"spi_tegra.2",	 mux_pllpcm_clkm,   CLK_SOURCE_SBC3,	  46,	&periph_h_regs, TEGRA_PERIPH_ON_APB, sbc3),
	TEGRA_INIT_DATA_MUX("sbc4",	NULL,		"spi_tegra.3",	 mux_pllpcm_clkm,   CLK_SOURCE_SBC4,	  68,	&periph_u_regs, TEGRA_PERIPH_ON_APB, sbc4),
	TEGRA_INIT_DATA_MUX("spi",	NULL,		"spi",		 mux_pllpcm_clkm,   CLK_SOURCE_SPI,	  43,	&periph_h_regs, TEGRA_PERIPH_ON_APB, spi),
	TEGRA_INIT_DATA_MUX("xio",	NULL,		"xio",		 mux_pllpcm_clkm,   CLK_SOURCE_XIO,	  45,	&periph_h_regs, 0, xio),
	TEGRA_INIT_DATA_MUX("twc",	NULL,		"twc",		 mux_pllpcm_clkm,   CLK_SOURCE_TWC,	  16,	&periph_l_regs, TEGRA_PERIPH_ON_APB, twc),
	TEGRA_INIT_DATA_MUX("ide",	NULL,		"ide",		 mux_pllpcm_clkm,   CLK_SOURCE_XIO,	  25,	&periph_l_regs, 0, ide),
	TEGRA_INIT_DATA_MUX("ndflash",	NULL,		"tegra_nand",	 mux_pllpcm_clkm,   CLK_SOURCE_NDFLASH,	  13,	&periph_l_regs, 0, ndflash),
	TEGRA_INIT_DATA_MUX("vfir",	NULL,		"vfir",		 mux_pllpcm_clkm,   CLK_SOURCE_VFIR,	  7,	&periph_l_regs, TEGRA_PERIPH_ON_APB, vfir),
	TEGRA_INIT_DATA_MUX("csite",	NULL,		"csite",	 mux_pllpcm_clkm,   CLK_SOURCE_CSITE,	  73,	&periph_u_regs, 0, csite),
	TEGRA_INIT_DATA_MUX("la",	NULL,		"la",		 mux_pllpcm_clkm,   CLK_SOURCE_LA,	  76,	&periph_u_regs, 0, la),
	TEGRA_INIT_DATA_MUX("owr",	NULL,		"tegra_w1",	 mux_pllpcm_clkm,   CLK_SOURCE_OWR,	  71,	&periph_u_regs, TEGRA_PERIPH_ON_APB, owr),
	TEGRA_INIT_DATA_MUX("mipi",	NULL,		"mipi",		 mux_pllpcm_clkm,   CLK_SOURCE_MIPI,	  50,	&periph_h_regs, TEGRA_PERIPH_ON_APB, mipi),
	TEGRA_INIT_DATA_MUX("vde",	NULL,		"vde",		 mux_pllpcm_clkm,   CLK_SOURCE_VDE,	  61,	&periph_h_regs, 0, vde),
	TEGRA_INIT_DATA_MUX("vi",	"vi",		"tegra_camera",	 mux_pllmcpa,	    CLK_SOURCE_VI,	  20,	&periph_l_regs, 0, vi),
	TEGRA_INIT_DATA_MUX("epp",	NULL,		"epp",		 mux_pllmcpa,	    CLK_SOURCE_EPP,	  19,	&periph_l_regs, 0, epp),
	TEGRA_INIT_DATA_MUX("mpe",	NULL,		"mpe",		 mux_pllmcpa,	    CLK_SOURCE_MPE,	  60,	&periph_h_regs, 0, mpe),
	TEGRA_INIT_DATA_MUX("host1x",	NULL,		"host1x",	 mux_pllmcpa,	    CLK_SOURCE_HOST1X,	  28,	&periph_l_regs, 0, host1x),
	TEGRA_INIT_DATA_MUX("3d",	NULL,		"3d",		 mux_pllmcpa,	    CLK_SOURCE_3D,	  24,	&periph_l_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d),
	TEGRA_INIT_DATA_MUX("2d",	NULL,		"2d",		 mux_pllmcpa,	    CLK_SOURCE_2D,	  21,	&periph_l_regs, 0, gr2d),
	TEGRA_INIT_DATA_MUX("nor",	NULL,		"tegra-nor",	 mux_pllpcm_clkm,   CLK_SOURCE_NOR,	  42,	&periph_h_regs, 0, nor),
	TEGRA_INIT_DATA_MUX("sdmmc1",	NULL,		"sdhci-tegra.0", mux_pllpcm_clkm,   CLK_SOURCE_SDMMC1,	  14,	&periph_l_regs, 0, sdmmc1),
	TEGRA_INIT_DATA_MUX("sdmmc2",	NULL,		"sdhci-tegra.1", mux_pllpcm_clkm,   CLK_SOURCE_SDMMC2,	  9,	&periph_l_regs, 0, sdmmc2),
	TEGRA_INIT_DATA_MUX("sdmmc3",	NULL,		"sdhci-tegra.2", mux_pllpcm_clkm,   CLK_SOURCE_SDMMC3,	  69,	&periph_u_regs, 0, sdmmc3),
	TEGRA_INIT_DATA_MUX("sdmmc4",	NULL,		"sdhci-tegra.3", mux_pllpcm_clkm,   CLK_SOURCE_SDMMC4,	  15,	&periph_l_regs, 0, sdmmc4),
	TEGRA_INIT_DATA_MUX("cve",	NULL,		"cve",		 mux_pllpdc_clkm,   CLK_SOURCE_CVE,	  49,	&periph_h_regs, 0, cve),
	TEGRA_INIT_DATA_MUX("tvo",	NULL,		"tvo",		 mux_pllpdc_clkm,   CLK_SOURCE_TVO,	  49,	&periph_h_regs, 0, tvo),
	TEGRA_INIT_DATA_MUX("tvdac",	NULL,		"tvdac",	 mux_pllpdc_clkm,   CLK_SOURCE_TVDAC,	  53,	&periph_h_regs, 0, tvdac),
	TEGRA_INIT_DATA_MUX("vi_sensor", "vi_sensor",	"tegra_camera",	 mux_pllmcpa,	    CLK_SOURCE_VI_SENSOR, 20,	&periph_l_regs, TEGRA_PERIPH_NO_RESET, vi_sensor),
	TEGRA_INIT_DATA_DIV16("i2c1",	"div-clk",	"tegra-i2c.0",	 mux_pllpcm_clkm,   CLK_SOURCE_I2C1,	  12,	&periph_l_regs, TEGRA_PERIPH_ON_APB, i2c1),
	TEGRA_INIT_DATA_DIV16("i2c2",	"div-clk",	"tegra-i2c.1",	 mux_pllpcm_clkm,   CLK_SOURCE_I2C2,	  54,	&periph_h_regs, TEGRA_PERIPH_ON_APB, i2c2),
	TEGRA_INIT_DATA_DIV16("i2c3",	"div-clk",	"tegra-i2c.2",	 mux_pllpcm_clkm,   CLK_SOURCE_I2C3,	  67,	&periph_u_regs,	TEGRA_PERIPH_ON_APB, i2c3),
	TEGRA_INIT_DATA_DIV16("dvc",	"div-clk",	"tegra-i2c.3",	 mux_pllpcm_clkm,   CLK_SOURCE_DVC,	  47,	&periph_h_regs,	TEGRA_PERIPH_ON_APB, dvc),
	TEGRA_INIT_DATA_MUX("hdmi",	NULL,		"hdmi",		 mux_pllpdc_clkm,   CLK_SOURCE_HDMI,	  51,	&periph_h_regs,	0, hdmi),
	TEGRA_INIT_DATA("pwm",		NULL,		"tegra-pwm",	 pwm_parents,	    CLK_SOURCE_PWM,	  28, 3, 0, 0, 8, 1, 0, &periph_l_regs, 17, periph_clk_enb_refcnt, TEGRA_PERIPH_ON_APB, pwm),
};

static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = {
	TEGRA_INIT_DATA_NODIV("uarta",	NULL, "tegra_uart.0", mux_pllpcm_clkm, CLK_SOURCE_UARTA, 30, 2, 6,  &periph_l_regs, TEGRA_PERIPH_ON_APB, uarta),
	TEGRA_INIT_DATA_NODIV("uartb",	NULL, "tegra_uart.1", mux_pllpcm_clkm, CLK_SOURCE_UARTB, 30, 2, 7,  &periph_l_regs, TEGRA_PERIPH_ON_APB, uartb),
	TEGRA_INIT_DATA_NODIV("uartc",	NULL, "tegra_uart.2", mux_pllpcm_clkm, CLK_SOURCE_UARTC, 30, 2, 55, &periph_h_regs, TEGRA_PERIPH_ON_APB, uartc),
	TEGRA_INIT_DATA_NODIV("uartd",	NULL, "tegra_uart.3", mux_pllpcm_clkm, CLK_SOURCE_UARTD, 30, 2, 65, &periph_u_regs, TEGRA_PERIPH_ON_APB, uartd),
	TEGRA_INIT_DATA_NODIV("uarte",	NULL, "tegra_uart.4", mux_pllpcm_clkm, CLK_SOURCE_UARTE, 30, 2, 66, &periph_u_regs, TEGRA_PERIPH_ON_APB, uarte),
	TEGRA_INIT_DATA_NODIV("disp1",	NULL, "tegradc.0",    mux_pllpdc_clkm, CLK_SOURCE_DISP1, 30, 2, 27, &periph_l_regs, 0, disp1),
	TEGRA_INIT_DATA_NODIV("disp2",	NULL, "tegradc.1",    mux_pllpdc_clkm, CLK_SOURCE_DISP2, 30, 2, 26, &periph_l_regs, 0, disp2),
};

static void __init tegra20_periph_clk_init(void)
{
	struct tegra_periph_init_data *data;
	struct clk *clk;
	int i;

	/* apbdma */
	clk = tegra_clk_register_periph_gate("apbdma", "pclk", 0, clk_base,
				    0, 34, &periph_h_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, NULL, "tegra-apbdma");
	clks[apbdma] = clk;

	/* rtc */
	clk = tegra_clk_register_periph_gate("rtc", "clk_32k",
				    TEGRA_PERIPH_NO_RESET,
				    clk_base, 0, 4, &periph_l_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, NULL, "rtc-tegra");
	clks[rtc] = clk;

	/* timer */
	clk = tegra_clk_register_periph_gate("timer", "clk_m", 0, clk_base,
				    0, 5, &periph_l_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, NULL, "timer");
	clks[timer] = clk;

	/* kbc */
	clk = tegra_clk_register_periph_gate("kbc", "clk_32k",
				    TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
				    clk_base, 0, 36, &periph_h_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, NULL, "tegra-kbc");
	clks[kbc] = clk;

	/* csus */
	clk = tegra_clk_register_periph_gate("csus", "clk_m",
				    TEGRA_PERIPH_NO_RESET,
				    clk_base, 0, 92, &periph_u_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "csus", "tengra_camera");
	clks[csus] = clk;

	/* vcp */
	clk = tegra_clk_register_periph_gate("vcp", "clk_m", 0,
				    clk_base, 0, 29, &periph_l_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "vcp", "tegra-avp");
	clks[vcp] = clk;

	/* bsea */
	clk = tegra_clk_register_periph_gate("bsea", "clk_m", 0,
				    clk_base, 0, 62, &periph_h_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "bsea", "tegra-avp");
	clks[bsea] = clk;

	/* bsev */
	clk = tegra_clk_register_periph_gate("bsev", "clk_m", 0,
				    clk_base, 0, 63, &periph_h_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "bsev", "tegra-aes");
	clks[bsev] = clk;

	/* emc */
	clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
			       ARRAY_SIZE(mux_pllmcp_clkm), 0,
			       clk_base + CLK_SOURCE_EMC,
			       30, 2, 0, NULL);
	clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0,
				    57, &periph_h_regs, periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "emc", NULL);
	clks[emc] = clk;

	/* usbd */
	clk = tegra_clk_register_periph_gate("usbd", "clk_m", 0, clk_base, 0,
				    22, &periph_l_regs, periph_clk_enb_refcnt);
	clk_register_clkdev(clk, NULL, "fsl-tegra-udc");
	clks[usbd] = clk;

	/* usb2 */
	clk = tegra_clk_register_periph_gate("usb2", "clk_m", 0, clk_base, 0,
				    58, &periph_h_regs, periph_clk_enb_refcnt);
	clk_register_clkdev(clk, NULL, "tegra-ehci.1");
	clks[usb2] = clk;

	/* usb3 */
	clk = tegra_clk_register_periph_gate("usb3", "clk_m", 0, clk_base, 0,
				    59, &periph_h_regs, periph_clk_enb_refcnt);
	clk_register_clkdev(clk, NULL, "tegra-ehci.2");
	clks[usb3] = clk;

	/* dsi */
	clk = tegra_clk_register_periph_gate("dsi", "pll_d", 0, clk_base, 0,
				    48, &periph_h_regs, periph_clk_enb_refcnt);
	clk_register_clkdev(clk, NULL, "dsi");
	clks[dsi] = clk;

	/* csi */
	clk = tegra_clk_register_periph_gate("csi", "pll_p_out3", 0, clk_base,
				    0, 52, &periph_h_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "csi", "tegra_camera");
	clks[csi] = clk;

	/* isp */
	clk = tegra_clk_register_periph_gate("isp", "clk_m", 0, clk_base, 0, 23,
				    &periph_l_regs, periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "isp", "tegra_camera");
	clks[isp] = clk;

	/* pex */
	clk = tegra_clk_register_periph_gate("pex", "clk_m", 0, clk_base, 0, 70,
				    &periph_u_regs, periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "pex", NULL);
	clks[pex] = clk;

	/* afi */
	clk = tegra_clk_register_periph_gate("afi", "clk_m", 0, clk_base, 0, 72,
				    &periph_u_regs, periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "afi", NULL);
	clks[afi] = clk;

	/* pcie_xclk */
	clk = tegra_clk_register_periph_gate("pcie_xclk", "clk_m", 0, clk_base,
				    0, 74, &periph_u_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "pcie_xclk", NULL);
	clks[pcie_xclk] = clk;

	/* cdev1 */
	clk = clk_register_fixed_rate(NULL, "cdev1_fixed", NULL, CLK_IS_ROOT,
				      26000000);
	clk = tegra_clk_register_periph_gate("cdev1", "cdev1_fixed", 0,
				    clk_base, 0, 94, &periph_u_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "cdev1", NULL);
	clks[cdev1] = clk;

	/* cdev2 */
	clk = clk_register_fixed_rate(NULL, "cdev2_fixed", NULL, CLK_IS_ROOT,
				      26000000);
	clk = tegra_clk_register_periph_gate("cdev2", "cdev2_fixed", 0,
				    clk_base, 0, 93, &periph_u_regs,
				    periph_clk_enb_refcnt);
	clk_register_clkdev(clk, "cdev2", NULL);
	clks[cdev2] = clk;

	for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) {
		data = &tegra_periph_clk_list[i];
		clk = tegra_clk_register_periph(data->name, data->parent_names,
				data->num_parents, &data->periph,
				clk_base, data->offset);
		clk_register_clkdev(clk, data->con_id, data->dev_id);
		clks[data->clk_id] = clk;
	}

	for (i = 0; i < ARRAY_SIZE(tegra_periph_nodiv_clk_list); i++) {
		data = &tegra_periph_nodiv_clk_list[i];
		clk = tegra_clk_register_periph_nodiv(data->name,
					data->parent_names,
					data->num_parents, &data->periph,
					clk_base, data->offset);
		clk_register_clkdev(clk, data->con_id, data->dev_id);
		clks[data->clk_id] = clk;
	}
}


static void __init tegra20_fixed_clk_init(void)
{
	struct clk *clk;

	/* clk_32k */
	clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
				      32768);
	clk_register_clkdev(clk, "clk_32k", NULL);
	clks[clk_32k] = clk;
}

static void __init tegra20_pmc_clk_init(void)
{
	struct clk *clk;

	/* blink */
	writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
	clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
				pmc_base + PMC_DPD_PADS_ORIDE,
				PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);
	clk = clk_register_gate(NULL, "blink", "blink_override", 0,
				pmc_base + PMC_CTRL,
				PMC_CTRL_BLINK_ENB, 0, NULL);
	clk_register_clkdev(clk, "blink", NULL);
	clks[blink] = clk;
}

static void __init tegra20_osc_clk_init(void)
{
	struct clk *clk;
	unsigned long input_freq;
	unsigned int pll_ref_div;

	input_freq = tegra20_clk_measure_input_freq();

	/* clk_m */
	clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT |
				      CLK_IGNORE_UNUSED, input_freq);
	clk_register_clkdev(clk, "clk_m", NULL);
	clks[clk_m] = clk;

	/* pll_ref */
	pll_ref_div = tegra20_get_pll_ref_div();
	clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
					CLK_SET_RATE_PARENT, 1, pll_ref_div);
	clk_register_clkdev(clk, "pll_ref", NULL);
	clks[pll_ref] = clk;
}

/* Tegra20 CPU clock and reset control functions */
static void tegra20_wait_cpu_in_reset(u32 cpu)
{
	unsigned int reg;

	do {
		reg = readl(clk_base +
			    TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
		cpu_relax();
	} while (!(reg & (1 << cpu)));	/* check CPU been reset or not */

	return;
}

static void tegra20_put_cpu_in_reset(u32 cpu)
{
	writel(CPU_RESET(cpu),
	       clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
	dmb();
}

static void tegra20_cpu_out_of_reset(u32 cpu)
{
	writel(CPU_RESET(cpu),
	       clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
	wmb();
}

static void tegra20_enable_cpu_clock(u32 cpu)
{
	unsigned int reg;

	reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
	writel(reg & ~CPU_CLOCK(cpu),
	       clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
	barrier();
	reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
}

static void tegra20_disable_cpu_clock(u32 cpu)
{
	unsigned int reg;

	reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
	writel(reg | CPU_CLOCK(cpu),
	       clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
}

#ifdef CONFIG_PM_SLEEP
static bool tegra20_cpu_rail_off_ready(void)
{
	unsigned int cpu_rst_status;

	cpu_rst_status = readl(clk_base +
			       TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);

	return !!(cpu_rst_status & 0x2);
}

static void tegra20_cpu_clock_suspend(void)
{
	/* switch coresite to clk_m, save off original source */
	tegra20_cpu_clk_sctx.clk_csite_src =
				readl(clk_base + CLK_SOURCE_CSITE);
	writel(3<<30, clk_base + CLK_SOURCE_CSITE);

	tegra20_cpu_clk_sctx.cpu_burst =
				readl(clk_base + CCLK_BURST_POLICY);
	tegra20_cpu_clk_sctx.pllx_base =
				readl(clk_base + PLLX_BASE);
	tegra20_cpu_clk_sctx.pllx_misc =
				readl(clk_base + PLLX_MISC);
	tegra20_cpu_clk_sctx.cclk_divider =
				readl(clk_base + SUPER_CCLK_DIVIDER);
}

static void tegra20_cpu_clock_resume(void)
{
	unsigned int reg, policy;

	/* Is CPU complex already running on PLLX? */
	reg = readl(clk_base + CCLK_BURST_POLICY);
	policy = (reg >> CCLK_BURST_POLICY_SHIFT) & 0xF;

	if (policy == CCLK_IDLE_POLICY)
		reg = (reg >> CCLK_IDLE_POLICY_SHIFT) & 0xF;
	else if (policy == CCLK_RUN_POLICY)
		reg = (reg >> CCLK_RUN_POLICY_SHIFT) & 0xF;
	else
		BUG();

	if (reg != CCLK_BURST_POLICY_PLLX) {
		/* restore PLLX settings if CPU is on different PLL */
		writel(tegra20_cpu_clk_sctx.pllx_misc,
					clk_base + PLLX_MISC);
		writel(tegra20_cpu_clk_sctx.pllx_base,
					clk_base + PLLX_BASE);

		/* wait for PLL stabilization if PLLX was enabled */
		if (tegra20_cpu_clk_sctx.pllx_base & (1 << 30))
			udelay(300);
	}

	/*
	 * Restore original burst policy setting for calls resulting from CPU
	 * LP2 in idle or system suspend.
	 */
	writel(tegra20_cpu_clk_sctx.cclk_divider,
					clk_base + SUPER_CCLK_DIVIDER);
	writel(tegra20_cpu_clk_sctx.cpu_burst,
					clk_base + CCLK_BURST_POLICY);

	writel(tegra20_cpu_clk_sctx.clk_csite_src,
					clk_base + CLK_SOURCE_CSITE);
}
#endif

static struct tegra_cpu_car_ops tegra20_cpu_car_ops = {
	.wait_for_reset	= tegra20_wait_cpu_in_reset,
	.put_in_reset	= tegra20_put_cpu_in_reset,
	.out_of_reset	= tegra20_cpu_out_of_reset,
	.enable_clock	= tegra20_enable_cpu_clock,
	.disable_clock	= tegra20_disable_cpu_clock,
#ifdef CONFIG_PM_SLEEP
	.rail_off_ready = tegra20_cpu_rail_off_ready,
	.suspend	= tegra20_cpu_clock_suspend,
	.resume		= tegra20_cpu_clock_resume,
#endif
};

static __initdata struct tegra_clk_init_table init_table[] = {
	{pll_p, clk_max, 216000000, 1},
	{pll_p_out1, clk_max, 28800000, 1},
	{pll_p_out2, clk_max, 48000000, 1},
	{pll_p_out3, clk_max, 72000000, 1},
	{pll_p_out4, clk_max, 24000000, 1},
	{pll_c, clk_max, 600000000, 1},
	{pll_c_out1, clk_max, 120000000, 1},
	{sclk, pll_c_out1, 0, 1},
	{hclk, clk_max, 0, 1},
	{pclk, clk_max, 60000000, 1},
	{csite, clk_max, 0, 1},
	{emc, clk_max, 0, 1},
	{cclk, clk_max, 0, 1},
	{uarta, pll_p, 0, 0},
	{uartb, pll_p, 0, 0},
	{uartc, pll_p, 0, 0},
	{uartd, pll_p, 0, 0},
	{uarte, pll_p, 0, 0},
	{usbd, clk_max, 12000000, 0},
	{usb2, clk_max, 12000000, 0},
	{usb3, clk_max, 12000000, 0},
	{pll_a, clk_max, 56448000, 1},
	{pll_a_out0, clk_max, 11289600, 1},
	{cdev1, clk_max, 0, 1},
	{blink, clk_max, 32768, 1},
	{i2s1, pll_a_out0, 11289600, 0},
	{i2s2, pll_a_out0, 11289600, 0},
	{sdmmc1, pll_p, 48000000, 0},
	{sdmmc3, pll_p, 48000000, 0},
	{sdmmc4, pll_p, 48000000, 0},
	{spi, pll_p, 20000000, 0},
	{sbc1, pll_p, 100000000, 0},
	{sbc2, pll_p, 100000000, 0},
	{sbc3, pll_p, 100000000, 0},
	{sbc4, pll_p, 100000000, 0},
	{host1x, pll_c, 150000000, 0},
	{disp1, pll_p, 600000000, 0},
	{disp2, pll_p, 600000000, 0},
	{clk_max, clk_max, 0, 0}, /* This MUST be the last entry */
};

/*
 * Some clocks may be used by different drivers depending on the board
 * configuration.  List those here to register them twice in the clock lookup
 * table under two names.
 */
static struct tegra_clk_duplicate tegra_clk_duplicates[] = {
	TEGRA_CLK_DUPLICATE(usbd,   "utmip-pad",    NULL),
	TEGRA_CLK_DUPLICATE(usbd,   "tegra-ehci.0", NULL),
	TEGRA_CLK_DUPLICATE(usbd,   "tegra-otg",    NULL),
	TEGRA_CLK_DUPLICATE(cclk,   NULL,           "cpu"),
	TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* Must be the last entry */
};

static const struct of_device_id pmc_match[] __initconst = {
	{ .compatible = "nvidia,tegra20-pmc" },
	{},
};

void __init tegra20_clock_init(struct device_node *np)
{
	int i;
	struct device_node *node;

	clk_base = of_iomap(np, 0);
	if (!clk_base) {
		pr_err("Can't map CAR registers\n");
		BUG();
	}

	node = of_find_matching_node(NULL, pmc_match);
	if (!node) {
		pr_err("Failed to find pmc node\n");
		BUG();
	}

	pmc_base = of_iomap(node, 0);
	if (!pmc_base) {
		pr_err("Can't map pmc registers\n");
		BUG();
	}

	tegra20_osc_clk_init();
	tegra20_pmc_clk_init();
	tegra20_fixed_clk_init();
	tegra20_pll_init();
	tegra20_super_clk_init();
	tegra20_periph_clk_init();
	tegra20_audio_clk_init();


	for (i = 0; i < ARRAY_SIZE(clks); i++) {
		if (IS_ERR(clks[i])) {
			pr_err("Tegra20 clk %d: register failed with %ld\n",
			       i, PTR_ERR(clks[i]));
			BUG();
		}
		if (!clks[i])
			clks[i] = ERR_PTR(-EINVAL);
	}

	tegra_init_dup_clks(tegra_clk_duplicates, clks, clk_max);

	clk_data.clks = clks;
	clk_data.clk_num = ARRAY_SIZE(clks);
	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);

	tegra_init_from_table(init_table, clks, clk_max);

	tegra_cpu_car_ops = &tegra20_cpu_car_ops;
}