1/*
2 * arch/arm/mach-spear6xx/clock.c
3 *
4 * SPEAr6xx machines clock framework source file
5 *
6 * Copyright (C) 2009 ST Microelectronics
7 * Viresh Kumar<viresh.kumar@st.com>
8 *
9 * This file is licensed under the terms of the GNU General Public
10 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied.
12 */
13
14#include <linux/init.h>
15#include <linux/io.h>
16#include <linux/kernel.h>
17#include <plat/clock.h>
18#include <mach/misc_regs.h>
19
20/* root clks */
21/* 32 KHz oscillator clock */
22static struct clk osc_32k_clk = {
23	.flags = ALWAYS_ENABLED,
24	.rate = 32000,
25};
26
27/* 30 MHz oscillator clock */
28static struct clk osc_30m_clk = {
29	.flags = ALWAYS_ENABLED,
30	.rate = 30000000,
31};
32
33/* clock derived from 32 KHz osc clk */
34/* rtc clock */
35static struct clk rtc_clk = {
36	.pclk = &osc_32k_clk,
37	.en_reg = PERIP1_CLK_ENB,
38	.en_reg_bit = RTC_CLK_ENB,
39	.recalc = &follow_parent,
40};
41
42/* clock derived from 30 MHz osc clk */
43/* pll masks structure */
44static struct pll_clk_masks pll1_masks = {
45	.mode_mask = PLL_MODE_MASK,
46	.mode_shift = PLL_MODE_SHIFT,
47	.norm_fdbk_m_mask = PLL_NORM_FDBK_M_MASK,
48	.norm_fdbk_m_shift = PLL_NORM_FDBK_M_SHIFT,
49	.dith_fdbk_m_mask = PLL_DITH_FDBK_M_MASK,
50	.dith_fdbk_m_shift = PLL_DITH_FDBK_M_SHIFT,
51	.div_p_mask = PLL_DIV_P_MASK,
52	.div_p_shift = PLL_DIV_P_SHIFT,
53	.div_n_mask = PLL_DIV_N_MASK,
54	.div_n_shift = PLL_DIV_N_SHIFT,
55};
56
57/* pll1 configuration structure */
58static struct pll_clk_config pll1_config = {
59	.mode_reg = PLL1_CTR,
60	.cfg_reg = PLL1_FRQ,
61	.masks = &pll1_masks,
62};
63
64/* pll rate configuration table, in ascending order of rates */
65struct pll_rate_tbl pll_rtbl[] = {
66	{.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* 266 MHz */
67	{.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* 332 MHz */
68};
69
70/* PLL1 clock */
71static struct clk pll1_clk = {
72	.flags = ENABLED_ON_INIT,
73	.pclk = &osc_30m_clk,
74	.en_reg = PLL1_CTR,
75	.en_reg_bit = PLL_ENABLE,
76	.calc_rate = &pll_calc_rate,
77	.recalc = &pll_clk_recalc,
78	.set_rate = &pll_clk_set_rate,
79	.rate_config = {pll_rtbl, ARRAY_SIZE(pll_rtbl), 1},
80	.private_data = &pll1_config,
81};
82
83/* PLL3 48 MHz clock */
84static struct clk pll3_48m_clk = {
85	.flags = ALWAYS_ENABLED,
86	.pclk = &osc_30m_clk,
87	.rate = 48000000,
88};
89
90/* watch dog timer clock */
91static struct clk wdt_clk = {
92	.flags = ALWAYS_ENABLED,
93	.pclk = &osc_30m_clk,
94	.recalc = &follow_parent,
95};
96
97/* clock derived from pll1 clk */
98/* cpu clock */
99static struct clk cpu_clk = {
100	.flags = ALWAYS_ENABLED,
101	.pclk = &pll1_clk,
102	.recalc = &follow_parent,
103};
104
105/* ahb masks structure */
106static struct bus_clk_masks ahb_masks = {
107	.mask = PLL_HCLK_RATIO_MASK,
108	.shift = PLL_HCLK_RATIO_SHIFT,
109};
110
111/* ahb configuration structure */
112static struct bus_clk_config ahb_config = {
113	.reg = CORE_CLK_CFG,
114	.masks = &ahb_masks,
115};
116
117/* ahb rate configuration table, in ascending order of rates */
118struct bus_rate_tbl bus_rtbl[] = {
119	{.div = 3}, /* == parent divided by 4 */
120	{.div = 2}, /* == parent divided by 3 */
121	{.div = 1}, /* == parent divided by 2 */
122	{.div = 0}, /* == parent divided by 1 */
123};
124
125/* ahb clock */
126static struct clk ahb_clk = {
127	.flags = ALWAYS_ENABLED,
128	.pclk = &pll1_clk,
129	.calc_rate = &bus_calc_rate,
130	.recalc = &bus_clk_recalc,
131	.set_rate = &bus_clk_set_rate,
132	.rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2},
133	.private_data = &ahb_config,
134};
135
136/* auxiliary synthesizers masks */
137static struct aux_clk_masks aux_masks = {
138	.eq_sel_mask = AUX_EQ_SEL_MASK,
139	.eq_sel_shift = AUX_EQ_SEL_SHIFT,
140	.eq1_mask = AUX_EQ1_SEL,
141	.eq2_mask = AUX_EQ2_SEL,
142	.xscale_sel_mask = AUX_XSCALE_MASK,
143	.xscale_sel_shift = AUX_XSCALE_SHIFT,
144	.yscale_sel_mask = AUX_YSCALE_MASK,
145	.yscale_sel_shift = AUX_YSCALE_SHIFT,
146};
147
148/* uart configurations */
149static struct aux_clk_config uart_synth_config = {
150	.synth_reg = UART_CLK_SYNT,
151	.masks = &aux_masks,
152};
153
154/* aux rate configuration table, in ascending order of rates */
155struct aux_rate_tbl aux_rtbl[] = {
156	/* For PLL1 = 332 MHz */
157	{.xscale = 1, .yscale = 8, .eq = 1}, /* 41.5 MHz */
158	{.xscale = 1, .yscale = 4, .eq = 1}, /* 83 MHz */
159	{.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */
160};
161
162/* uart synth clock */
163static struct clk uart_synth_clk = {
164	.en_reg = UART_CLK_SYNT,
165	.en_reg_bit = AUX_SYNT_ENB,
166	.pclk = &pll1_clk,
167	.calc_rate = &aux_calc_rate,
168	.recalc = &aux_clk_recalc,
169	.set_rate = &aux_clk_set_rate,
170	.rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2},
171	.private_data = &uart_synth_config,
172};
173
174/* uart parents */
175static struct pclk_info uart_pclk_info[] = {
176	{
177		.pclk = &uart_synth_clk,
178		.pclk_val = AUX_CLK_PLL1_VAL,
179	}, {
180		.pclk = &pll3_48m_clk,
181		.pclk_val = AUX_CLK_PLL3_VAL,
182	},
183};
184
185/* uart parent select structure */
186static struct pclk_sel uart_pclk_sel = {
187	.pclk_info = uart_pclk_info,
188	.pclk_count = ARRAY_SIZE(uart_pclk_info),
189	.pclk_sel_reg = PERIP_CLK_CFG,
190	.pclk_sel_mask = UART_CLK_MASK,
191};
192
193/* uart0 clock */
194static struct clk uart0_clk = {
195	.en_reg = PERIP1_CLK_ENB,
196	.en_reg_bit = UART0_CLK_ENB,
197	.pclk_sel = &uart_pclk_sel,
198	.pclk_sel_shift = UART_CLK_SHIFT,
199	.recalc = &follow_parent,
200};
201
202/* uart1 clock */
203static struct clk uart1_clk = {
204	.en_reg = PERIP1_CLK_ENB,
205	.en_reg_bit = UART1_CLK_ENB,
206	.pclk_sel = &uart_pclk_sel,
207	.pclk_sel_shift = UART_CLK_SHIFT,
208	.recalc = &follow_parent,
209};
210
211/* firda configurations */
212static struct aux_clk_config firda_synth_config = {
213	.synth_reg = FIRDA_CLK_SYNT,
214	.masks = &aux_masks,
215};
216
217/* firda synth clock */
218static struct clk firda_synth_clk = {
219	.en_reg = FIRDA_CLK_SYNT,
220	.en_reg_bit = AUX_SYNT_ENB,
221	.pclk = &pll1_clk,
222	.calc_rate = &aux_calc_rate,
223	.recalc = &aux_clk_recalc,
224	.set_rate = &aux_clk_set_rate,
225	.rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2},
226	.private_data = &firda_synth_config,
227};
228
229/* firda parents */
230static struct pclk_info firda_pclk_info[] = {
231	{
232		.pclk = &firda_synth_clk,
233		.pclk_val = AUX_CLK_PLL1_VAL,
234	}, {
235		.pclk = &pll3_48m_clk,
236		.pclk_val = AUX_CLK_PLL3_VAL,
237	},
238};
239
240/* firda parent select structure */
241static struct pclk_sel firda_pclk_sel = {
242	.pclk_info = firda_pclk_info,
243	.pclk_count = ARRAY_SIZE(firda_pclk_info),
244	.pclk_sel_reg = PERIP_CLK_CFG,
245	.pclk_sel_mask = FIRDA_CLK_MASK,
246};
247
248/* firda clock */
249static struct clk firda_clk = {
250	.en_reg = PERIP1_CLK_ENB,
251	.en_reg_bit = FIRDA_CLK_ENB,
252	.pclk_sel = &firda_pclk_sel,
253	.pclk_sel_shift = FIRDA_CLK_SHIFT,
254	.recalc = &follow_parent,
255};
256
257/* clcd configurations */
258static struct aux_clk_config clcd_synth_config = {
259	.synth_reg = CLCD_CLK_SYNT,
260	.masks = &aux_masks,
261};
262
263/* firda synth clock */
264static struct clk clcd_synth_clk = {
265	.en_reg = CLCD_CLK_SYNT,
266	.en_reg_bit = AUX_SYNT_ENB,
267	.pclk = &pll1_clk,
268	.calc_rate = &aux_calc_rate,
269	.recalc = &aux_clk_recalc,
270	.set_rate = &aux_clk_set_rate,
271	.rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2},
272	.private_data = &clcd_synth_config,
273};
274
275/* clcd parents */
276static struct pclk_info clcd_pclk_info[] = {
277	{
278		.pclk = &clcd_synth_clk,
279		.pclk_val = AUX_CLK_PLL1_VAL,
280	}, {
281		.pclk = &pll3_48m_clk,
282		.pclk_val = AUX_CLK_PLL3_VAL,
283	},
284};
285
286/* clcd parent select structure */
287static struct pclk_sel clcd_pclk_sel = {
288	.pclk_info = clcd_pclk_info,
289	.pclk_count = ARRAY_SIZE(clcd_pclk_info),
290	.pclk_sel_reg = PERIP_CLK_CFG,
291	.pclk_sel_mask = CLCD_CLK_MASK,
292};
293
294/* clcd clock */
295static struct clk clcd_clk = {
296	.en_reg = PERIP1_CLK_ENB,
297	.en_reg_bit = CLCD_CLK_ENB,
298	.pclk_sel = &clcd_pclk_sel,
299	.pclk_sel_shift = CLCD_CLK_SHIFT,
300	.recalc = &follow_parent,
301};
302
303/* gpt synthesizer masks */
304static struct gpt_clk_masks gpt_masks = {
305	.mscale_sel_mask = GPT_MSCALE_MASK,
306	.mscale_sel_shift = GPT_MSCALE_SHIFT,
307	.nscale_sel_mask = GPT_NSCALE_MASK,
308	.nscale_sel_shift = GPT_NSCALE_SHIFT,
309};
310
311/* gpt rate configuration table, in ascending order of rates */
312struct gpt_rate_tbl gpt_rtbl[] = {
313	/* For pll1 = 332 MHz */
314	{.mscale = 4, .nscale = 0}, /* 41.5 MHz */
315	{.mscale = 2, .nscale = 0}, /* 55.3 MHz */
316	{.mscale = 1, .nscale = 0}, /* 83 MHz */
317};
318
319/* gpt0 synth clk config*/
320static struct gpt_clk_config gpt0_synth_config = {
321	.synth_reg = PRSC1_CLK_CFG,
322	.masks = &gpt_masks,
323};
324
325/* gpt synth clock */
326static struct clk gpt0_synth_clk = {
327	.flags = ALWAYS_ENABLED,
328	.pclk = &pll1_clk,
329	.calc_rate = &gpt_calc_rate,
330	.recalc = &gpt_clk_recalc,
331	.set_rate = &gpt_clk_set_rate,
332	.rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2},
333	.private_data = &gpt0_synth_config,
334};
335
336/* gpt parents */
337static struct pclk_info gpt0_pclk_info[] = {
338	{
339		.pclk = &gpt0_synth_clk,
340		.pclk_val = AUX_CLK_PLL1_VAL,
341	}, {
342		.pclk = &pll3_48m_clk,
343		.pclk_val = AUX_CLK_PLL3_VAL,
344	},
345};
346
347/* gpt parent select structure */
348static struct pclk_sel gpt0_pclk_sel = {
349	.pclk_info = gpt0_pclk_info,
350	.pclk_count = ARRAY_SIZE(gpt0_pclk_info),
351	.pclk_sel_reg = PERIP_CLK_CFG,
352	.pclk_sel_mask = GPT_CLK_MASK,
353};
354
355/* gpt0 ARM1 subsystem timer clock */
356static struct clk gpt0_clk = {
357	.flags = ALWAYS_ENABLED,
358	.pclk_sel = &gpt0_pclk_sel,
359	.pclk_sel_shift = GPT0_CLK_SHIFT,
360	.recalc = &follow_parent,
361};
362
363
364/* Note: gpt0 and gpt1 share same parent clocks */
365/* gpt parent select structure */
366static struct pclk_sel gpt1_pclk_sel = {
367	.pclk_info = gpt0_pclk_info,
368	.pclk_count = ARRAY_SIZE(gpt0_pclk_info),
369	.pclk_sel_reg = PERIP_CLK_CFG,
370	.pclk_sel_mask = GPT_CLK_MASK,
371};
372
373/* gpt1 timer clock */
374static struct clk gpt1_clk = {
375	.flags = ALWAYS_ENABLED,
376	.pclk_sel = &gpt1_pclk_sel,
377	.pclk_sel_shift = GPT1_CLK_SHIFT,
378	.recalc = &follow_parent,
379};
380
381/* gpt2 synth clk config*/
382static struct gpt_clk_config gpt2_synth_config = {
383	.synth_reg = PRSC2_CLK_CFG,
384	.masks = &gpt_masks,
385};
386
387/* gpt synth clock */
388static struct clk gpt2_synth_clk = {
389	.flags = ALWAYS_ENABLED,
390	.pclk = &pll1_clk,
391	.calc_rate = &gpt_calc_rate,
392	.recalc = &gpt_clk_recalc,
393	.set_rate = &gpt_clk_set_rate,
394	.rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2},
395	.private_data = &gpt2_synth_config,
396};
397
398/* gpt parents */
399static struct pclk_info gpt2_pclk_info[] = {
400	{
401		.pclk = &gpt2_synth_clk,
402		.pclk_val = AUX_CLK_PLL1_VAL,
403	}, {
404		.pclk = &pll3_48m_clk,
405		.pclk_val = AUX_CLK_PLL3_VAL,
406	},
407};
408
409/* gpt parent select structure */
410static struct pclk_sel gpt2_pclk_sel = {
411	.pclk_info = gpt2_pclk_info,
412	.pclk_count = ARRAY_SIZE(gpt2_pclk_info),
413	.pclk_sel_reg = PERIP_CLK_CFG,
414	.pclk_sel_mask = GPT_CLK_MASK,
415};
416
417/* gpt2 timer clock */
418static struct clk gpt2_clk = {
419	.flags = ALWAYS_ENABLED,
420	.pclk_sel = &gpt2_pclk_sel,
421	.pclk_sel_shift = GPT2_CLK_SHIFT,
422	.recalc = &follow_parent,
423};
424
425/* gpt3 synth clk config*/
426static struct gpt_clk_config gpt3_synth_config = {
427	.synth_reg = PRSC3_CLK_CFG,
428	.masks = &gpt_masks,
429};
430
431/* gpt synth clock */
432static struct clk gpt3_synth_clk = {
433	.flags = ALWAYS_ENABLED,
434	.pclk = &pll1_clk,
435	.calc_rate = &gpt_calc_rate,
436	.recalc = &gpt_clk_recalc,
437	.set_rate = &gpt_clk_set_rate,
438	.rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2},
439	.private_data = &gpt3_synth_config,
440};
441
442/* gpt parents */
443static struct pclk_info gpt3_pclk_info[] = {
444	{
445		.pclk = &gpt3_synth_clk,
446		.pclk_val = AUX_CLK_PLL1_VAL,
447	}, {
448		.pclk = &pll3_48m_clk,
449		.pclk_val = AUX_CLK_PLL3_VAL,
450	},
451};
452
453/* gpt parent select structure */
454static struct pclk_sel gpt3_pclk_sel = {
455	.pclk_info = gpt3_pclk_info,
456	.pclk_count = ARRAY_SIZE(gpt3_pclk_info),
457	.pclk_sel_reg = PERIP_CLK_CFG,
458	.pclk_sel_mask = GPT_CLK_MASK,
459};
460
461/* gpt3 timer clock */
462static struct clk gpt3_clk = {
463	.flags = ALWAYS_ENABLED,
464	.pclk_sel = &gpt3_pclk_sel,
465	.pclk_sel_shift = GPT3_CLK_SHIFT,
466	.recalc = &follow_parent,
467};
468
469/* clock derived from pll3 clk */
470/* usbh0 clock */
471static struct clk usbh0_clk = {
472	.pclk = &pll3_48m_clk,
473	.en_reg = PERIP1_CLK_ENB,
474	.en_reg_bit = USBH0_CLK_ENB,
475	.recalc = &follow_parent,
476};
477
478/* usbh1 clock */
479static struct clk usbh1_clk = {
480	.pclk = &pll3_48m_clk,
481	.en_reg = PERIP1_CLK_ENB,
482	.en_reg_bit = USBH1_CLK_ENB,
483	.recalc = &follow_parent,
484};
485
486/* usbd clock */
487static struct clk usbd_clk = {
488	.pclk = &pll3_48m_clk,
489	.en_reg = PERIP1_CLK_ENB,
490	.en_reg_bit = USBD_CLK_ENB,
491	.recalc = &follow_parent,
492};
493
494/* clock derived from ahb clk */
495/* apb masks structure */
496static struct bus_clk_masks apb_masks = {
497	.mask = HCLK_PCLK_RATIO_MASK,
498	.shift = HCLK_PCLK_RATIO_SHIFT,
499};
500
501/* apb configuration structure */
502static struct bus_clk_config apb_config = {
503	.reg = CORE_CLK_CFG,
504	.masks = &apb_masks,
505};
506
507/* apb clock */
508static struct clk apb_clk = {
509	.flags = ALWAYS_ENABLED,
510	.pclk = &ahb_clk,
511	.calc_rate = &bus_calc_rate,
512	.recalc = &bus_clk_recalc,
513	.set_rate = &bus_clk_set_rate,
514	.rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2},
515	.private_data = &apb_config,
516};
517
518/* i2c clock */
519static struct clk i2c_clk = {
520	.pclk = &ahb_clk,
521	.en_reg = PERIP1_CLK_ENB,
522	.en_reg_bit = I2C_CLK_ENB,
523	.recalc = &follow_parent,
524};
525
526/* dma clock */
527static struct clk dma_clk = {
528	.pclk = &ahb_clk,
529	.en_reg = PERIP1_CLK_ENB,
530	.en_reg_bit = DMA_CLK_ENB,
531	.recalc = &follow_parent,
532};
533
534/* jpeg clock */
535static struct clk jpeg_clk = {
536	.pclk = &ahb_clk,
537	.en_reg = PERIP1_CLK_ENB,
538	.en_reg_bit = JPEG_CLK_ENB,
539	.recalc = &follow_parent,
540};
541
542/* gmac clock */
543static struct clk gmac_clk = {
544	.pclk = &ahb_clk,
545	.en_reg = PERIP1_CLK_ENB,
546	.en_reg_bit = GMAC_CLK_ENB,
547	.recalc = &follow_parent,
548};
549
550/* smi clock */
551static struct clk smi_clk = {
552	.pclk = &ahb_clk,
553	.en_reg = PERIP1_CLK_ENB,
554	.en_reg_bit = SMI_CLK_ENB,
555	.recalc = &follow_parent,
556};
557
558/* fsmc clock */
559static struct clk fsmc_clk = {
560	.pclk = &ahb_clk,
561	.en_reg = PERIP1_CLK_ENB,
562	.en_reg_bit = FSMC_CLK_ENB,
563	.recalc = &follow_parent,
564};
565
566/* clock derived from apb clk */
567/* adc clock */
568static struct clk adc_clk = {
569	.pclk = &apb_clk,
570	.en_reg = PERIP1_CLK_ENB,
571	.en_reg_bit = ADC_CLK_ENB,
572	.recalc = &follow_parent,
573};
574
575/* ssp0 clock */
576static struct clk ssp0_clk = {
577	.pclk = &apb_clk,
578	.en_reg = PERIP1_CLK_ENB,
579	.en_reg_bit = SSP0_CLK_ENB,
580	.recalc = &follow_parent,
581};
582
583/* ssp1 clock */
584static struct clk ssp1_clk = {
585	.pclk = &apb_clk,
586	.en_reg = PERIP1_CLK_ENB,
587	.en_reg_bit = SSP1_CLK_ENB,
588	.recalc = &follow_parent,
589};
590
591/* ssp2 clock */
592static struct clk ssp2_clk = {
593	.pclk = &apb_clk,
594	.en_reg = PERIP1_CLK_ENB,
595	.en_reg_bit = SSP2_CLK_ENB,
596	.recalc = &follow_parent,
597};
598
599/* gpio0 ARM subsystem clock */
600static struct clk gpio0_clk = {
601	.flags = ALWAYS_ENABLED,
602	.pclk = &apb_clk,
603	.recalc = &follow_parent,
604};
605
606/* gpio1 clock */
607static struct clk gpio1_clk = {
608	.pclk = &apb_clk,
609	.en_reg = PERIP1_CLK_ENB,
610	.en_reg_bit = GPIO1_CLK_ENB,
611	.recalc = &follow_parent,
612};
613
614/* gpio2 clock */
615static struct clk gpio2_clk = {
616	.pclk = &apb_clk,
617	.en_reg = PERIP1_CLK_ENB,
618	.en_reg_bit = GPIO2_CLK_ENB,
619	.recalc = &follow_parent,
620};
621
622static struct clk dummy_apb_pclk;
623
624/* array of all spear 6xx clock lookups */
625static struct clk_lookup spear_clk_lookups[] = {
626	{ .con_id = "apb_pclk",		.clk = &dummy_apb_pclk},
627	/* root clks */
628	{ .con_id = "osc_32k_clk",	.clk = &osc_32k_clk},
629	{ .con_id = "osc_30m_clk",	.clk = &osc_30m_clk},
630	/* clock derived from 32 KHz os		 clk */
631	{ .dev_id = "rtc-spear",	.clk = &rtc_clk},
632	/* clock derived from 30 MHz os		 clk */
633	{ .con_id = "pll1_clk",		.clk = &pll1_clk},
634	{ .con_id = "pll3_48m_clk",	.clk = &pll3_48m_clk},
635	{ .dev_id = "wdt",		.clk = &wdt_clk},
636	/* clock derived from pll1 clk */
637	{ .con_id = "cpu_clk",		.clk = &cpu_clk},
638	{ .con_id = "ahb_clk",		.clk = &ahb_clk},
639	{ .con_id = "uart_synth_clk",	.clk = &uart_synth_clk},
640	{ .con_id = "firda_synth_clk",	.clk = &firda_synth_clk},
641	{ .con_id = "clcd_synth_clk",	.clk = &clcd_synth_clk},
642	{ .con_id = "gpt0_synth_clk",	.clk = &gpt0_synth_clk},
643	{ .con_id = "gpt2_synth_clk",	.clk = &gpt2_synth_clk},
644	{ .con_id = "gpt3_synth_clk",	.clk = &gpt3_synth_clk},
645	{ .dev_id = "d0000000.serial",	.clk = &uart0_clk},
646	{ .dev_id = "d0080000.serial",	.clk = &uart1_clk},
647	{ .dev_id = "firda",		.clk = &firda_clk},
648	{ .dev_id = "clcd",		.clk = &clcd_clk},
649	{ .dev_id = "gpt0",		.clk = &gpt0_clk},
650	{ .dev_id = "gpt1",		.clk = &gpt1_clk},
651	{ .dev_id = "gpt2",		.clk = &gpt2_clk},
652	{ .dev_id = "gpt3",		.clk = &gpt3_clk},
653	/* clock derived from pll3 clk */
654	{ .dev_id = "designware_udc",	.clk = &usbd_clk},
655	{ .con_id = "usbh.0_clk",	.clk = &usbh0_clk},
656	{ .con_id = "usbh.1_clk",	.clk = &usbh1_clk},
657	/* clock derived from ahb clk */
658	{ .con_id = "apb_clk",		.clk = &apb_clk},
659	{ .dev_id = "d0200000.i2c",	.clk = &i2c_clk},
660	{ .dev_id = "dma",		.clk = &dma_clk},
661	{ .dev_id = "jpeg",		.clk = &jpeg_clk},
662	{ .dev_id = "gmac",		.clk = &gmac_clk},
663	{ .dev_id = "smi",		.clk = &smi_clk},
664	{ .dev_id = "fsmc-nand",	.clk = &fsmc_clk},
665	/* clock derived from apb clk */
666	{ .dev_id = "adc",		.clk = &adc_clk},
667	{ .dev_id = "ssp-pl022.0",	.clk = &ssp0_clk},
668	{ .dev_id = "ssp-pl022.1",	.clk = &ssp1_clk},
669	{ .dev_id = "ssp-pl022.2",	.clk = &ssp2_clk},
670	{ .dev_id = "f0100000.gpio",	.clk = &gpio0_clk},
671	{ .dev_id = "fc980000.gpio",	.clk = &gpio1_clk},
672	{ .dev_id = "d8100000.gpio",	.clk = &gpio2_clk},
673};
674
675void __init spear6xx_clk_init(void)
676{
677	int i;
678
679	for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++)
680		clk_register(&spear_clk_lookups[i]);
681
682	clk_init();
683}
684