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-rw-r--r--arch/arm/mach-spear3xx/clock.c479
1 files changed, 415 insertions, 64 deletions
diff --git a/arch/arm/mach-spear3xx/clock.c b/arch/arm/mach-spear3xx/clock.c
index 18febf92f20a..98bc7edc95a6 100644
--- a/arch/arm/mach-spear3xx/clock.c
+++ b/arch/arm/mach-spear3xx/clock.c
@@ -13,8 +13,8 @@
13 13
14#include <linux/init.h> 14#include <linux/init.h>
15#include <linux/kernel.h> 15#include <linux/kernel.h>
16#include <mach/misc_regs.h>
17#include <plat/clock.h> 16#include <plat/clock.h>
17#include <mach/misc_regs.h>
18 18
19/* root clks */ 19/* root clks */
20/* 32 KHz oscillator clock */ 20/* 32 KHz oscillator clock */
@@ -39,18 +39,43 @@ static struct clk rtc_clk = {
39}; 39};
40 40
41/* clock derived from 24 MHz osc clk */ 41/* clock derived from 24 MHz osc clk */
42/* pll masks structure */
43static struct pll_clk_masks pll1_masks = {
44 .mode_mask = PLL_MODE_MASK,
45 .mode_shift = PLL_MODE_SHIFT,
46 .norm_fdbk_m_mask = PLL_NORM_FDBK_M_MASK,
47 .norm_fdbk_m_shift = PLL_NORM_FDBK_M_SHIFT,
48 .dith_fdbk_m_mask = PLL_DITH_FDBK_M_MASK,
49 .dith_fdbk_m_shift = PLL_DITH_FDBK_M_SHIFT,
50 .div_p_mask = PLL_DIV_P_MASK,
51 .div_p_shift = PLL_DIV_P_SHIFT,
52 .div_n_mask = PLL_DIV_N_MASK,
53 .div_n_shift = PLL_DIV_N_SHIFT,
54};
55
42/* pll1 configuration structure */ 56/* pll1 configuration structure */
43static struct pll_clk_config pll1_config = { 57static struct pll_clk_config pll1_config = {
44 .mode_reg = PLL1_CTR, 58 .mode_reg = PLL1_CTR,
45 .cfg_reg = PLL1_FRQ, 59 .cfg_reg = PLL1_FRQ,
60 .masks = &pll1_masks,
61};
62
63/* pll rate configuration table, in ascending order of rates */
64struct pll_rate_tbl pll_rtbl[] = {
65 {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* 266 MHz */
66 {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* 332 MHz */
46}; 67};
47 68
48/* PLL1 clock */ 69/* PLL1 clock */
49static struct clk pll1_clk = { 70static struct clk pll1_clk = {
71 .flags = ENABLED_ON_INIT,
50 .pclk = &osc_24m_clk, 72 .pclk = &osc_24m_clk,
51 .en_reg = PLL1_CTR, 73 .en_reg = PLL1_CTR,
52 .en_reg_bit = PLL_ENABLE, 74 .en_reg_bit = PLL_ENABLE,
53 .recalc = &pll1_clk_recalc, 75 .calc_rate = &pll_calc_rate,
76 .recalc = &pll_clk_recalc,
77 .set_rate = &pll_clk_set_rate,
78 .rate_config = {pll_rtbl, ARRAY_SIZE(pll_rtbl), 1},
54 .private_data = &pll1_config, 79 .private_data = &pll1_config,
55}; 80};
56 81
@@ -76,36 +101,83 @@ static struct clk cpu_clk = {
76 .recalc = &follow_parent, 101 .recalc = &follow_parent,
77}; 102};
78 103
104/* ahb masks structure */
105static struct bus_clk_masks ahb_masks = {
106 .mask = PLL_HCLK_RATIO_MASK,
107 .shift = PLL_HCLK_RATIO_SHIFT,
108};
109
79/* ahb configuration structure */ 110/* ahb configuration structure */
80static struct bus_clk_config ahb_config = { 111static struct bus_clk_config ahb_config = {
81 .reg = CORE_CLK_CFG, 112 .reg = CORE_CLK_CFG,
82 .mask = PLL_HCLK_RATIO_MASK, 113 .masks = &ahb_masks,
83 .shift = PLL_HCLK_RATIO_SHIFT, 114};
115
116/* ahb rate configuration table, in ascending order of rates */
117struct bus_rate_tbl bus_rtbl[] = {
118 {.div = 3}, /* == parent divided by 4 */
119 {.div = 2}, /* == parent divided by 3 */
120 {.div = 1}, /* == parent divided by 2 */
121 {.div = 0}, /* == parent divided by 1 */
84}; 122};
85 123
86/* ahb clock */ 124/* ahb clock */
87static struct clk ahb_clk = { 125static struct clk ahb_clk = {
88 .flags = ALWAYS_ENABLED, 126 .flags = ALWAYS_ENABLED,
89 .pclk = &pll1_clk, 127 .pclk = &pll1_clk,
128 .calc_rate = &bus_calc_rate,
90 .recalc = &bus_clk_recalc, 129 .recalc = &bus_clk_recalc,
130 .set_rate = &bus_clk_set_rate,
131 .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2},
91 .private_data = &ahb_config, 132 .private_data = &ahb_config,
92}; 133};
93 134
94/* uart configurations */ 135/* auxiliary synthesizers masks */
95static struct aux_clk_config uart_config = { 136static struct aux_clk_masks aux_masks = {
137 .eq_sel_mask = AUX_EQ_SEL_MASK,
138 .eq_sel_shift = AUX_EQ_SEL_SHIFT,
139 .eq1_mask = AUX_EQ1_SEL,
140 .eq2_mask = AUX_EQ2_SEL,
141 .xscale_sel_mask = AUX_XSCALE_MASK,
142 .xscale_sel_shift = AUX_XSCALE_SHIFT,
143 .yscale_sel_mask = AUX_YSCALE_MASK,
144 .yscale_sel_shift = AUX_YSCALE_SHIFT,
145};
146
147/* uart synth configurations */
148static struct aux_clk_config uart_synth_config = {
96 .synth_reg = UART_CLK_SYNT, 149 .synth_reg = UART_CLK_SYNT,
150 .masks = &aux_masks,
151};
152
153/* aux rate configuration table, in ascending order of rates */
154struct aux_rate_tbl aux_rtbl[] = {
155 /* For PLL1 = 332 MHz */
156 {.xscale = 1, .yscale = 8, .eq = 1}, /* 41.5 MHz */
157 {.xscale = 1, .yscale = 4, .eq = 1}, /* 83 MHz */
158 {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */
159};
160
161/* uart synth clock */
162static struct clk uart_synth_clk = {
163 .en_reg = UART_CLK_SYNT,
164 .en_reg_bit = AUX_SYNT_ENB,
165 .pclk = &pll1_clk,
166 .calc_rate = &aux_calc_rate,
167 .recalc = &aux_clk_recalc,
168 .set_rate = &aux_clk_set_rate,
169 .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1},
170 .private_data = &uart_synth_config,
97}; 171};
98 172
99/* uart parents */ 173/* uart parents */
100static struct pclk_info uart_pclk_info[] = { 174static struct pclk_info uart_pclk_info[] = {
101 { 175 {
102 .pclk = &pll1_clk, 176 .pclk = &uart_synth_clk,
103 .pclk_mask = AUX_CLK_PLL1_MASK, 177 .pclk_val = AUX_CLK_PLL1_VAL,
104 .scalable = 1,
105 }, { 178 }, {
106 .pclk = &pll3_48m_clk, 179 .pclk = &pll3_48m_clk,
107 .pclk_mask = AUX_CLK_PLL3_MASK, 180 .pclk_val = AUX_CLK_PLL3_VAL,
108 .scalable = 0,
109 }, 181 },
110}; 182};
111 183
@@ -123,25 +195,35 @@ static struct clk uart_clk = {
123 .en_reg_bit = UART_CLK_ENB, 195 .en_reg_bit = UART_CLK_ENB,
124 .pclk_sel = &uart_pclk_sel, 196 .pclk_sel = &uart_pclk_sel,
125 .pclk_sel_shift = UART_CLK_SHIFT, 197 .pclk_sel_shift = UART_CLK_SHIFT,
126 .recalc = &aux_clk_recalc, 198 .recalc = &follow_parent,
127 .private_data = &uart_config,
128}; 199};
129 200
130/* firda configurations */ 201/* firda configurations */
131static struct aux_clk_config firda_config = { 202static struct aux_clk_config firda_synth_config = {
132 .synth_reg = FIRDA_CLK_SYNT, 203 .synth_reg = FIRDA_CLK_SYNT,
204 .masks = &aux_masks,
205};
206
207/* firda synth clock */
208static struct clk firda_synth_clk = {
209 .en_reg = FIRDA_CLK_SYNT,
210 .en_reg_bit = AUX_SYNT_ENB,
211 .pclk = &pll1_clk,
212 .calc_rate = &aux_calc_rate,
213 .recalc = &aux_clk_recalc,
214 .set_rate = &aux_clk_set_rate,
215 .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1},
216 .private_data = &firda_synth_config,
133}; 217};
134 218
135/* firda parents */ 219/* firda parents */
136static struct pclk_info firda_pclk_info[] = { 220static struct pclk_info firda_pclk_info[] = {
137 { 221 {
138 .pclk = &pll1_clk, 222 .pclk = &firda_synth_clk,
139 .pclk_mask = AUX_CLK_PLL1_MASK, 223 .pclk_val = AUX_CLK_PLL1_VAL,
140 .scalable = 1,
141 }, { 224 }, {
142 .pclk = &pll3_48m_clk, 225 .pclk = &pll3_48m_clk,
143 .pclk_mask = AUX_CLK_PLL3_MASK, 226 .pclk_val = AUX_CLK_PLL3_VAL,
144 .scalable = 0,
145 }, 227 },
146}; 228};
147 229
@@ -159,73 +241,155 @@ static struct clk firda_clk = {
159 .en_reg_bit = FIRDA_CLK_ENB, 241 .en_reg_bit = FIRDA_CLK_ENB,
160 .pclk_sel = &firda_pclk_sel, 242 .pclk_sel = &firda_pclk_sel,
161 .pclk_sel_shift = FIRDA_CLK_SHIFT, 243 .pclk_sel_shift = FIRDA_CLK_SHIFT,
162 .recalc = &aux_clk_recalc, 244 .recalc = &follow_parent,
163 .private_data = &firda_config, 245};
246
247/* gpt synthesizer masks */
248static struct gpt_clk_masks gpt_masks = {
249 .mscale_sel_mask = GPT_MSCALE_MASK,
250 .mscale_sel_shift = GPT_MSCALE_SHIFT,
251 .nscale_sel_mask = GPT_NSCALE_MASK,
252 .nscale_sel_shift = GPT_NSCALE_SHIFT,
253};
254
255/* gpt rate configuration table, in ascending order of rates */
256struct gpt_rate_tbl gpt_rtbl[] = {
257 /* For pll1 = 332 MHz */
258 {.mscale = 4, .nscale = 0}, /* 41.5 MHz */
259 {.mscale = 2, .nscale = 0}, /* 55.3 MHz */
260 {.mscale = 1, .nscale = 0}, /* 83 MHz */
261};
262
263/* gpt0 synth clk config*/
264static struct gpt_clk_config gpt0_synth_config = {
265 .synth_reg = PRSC1_CLK_CFG,
266 .masks = &gpt_masks,
267};
268
269/* gpt synth clock */
270static struct clk gpt0_synth_clk = {
271 .flags = ALWAYS_ENABLED,
272 .pclk = &pll1_clk,
273 .calc_rate = &gpt_calc_rate,
274 .recalc = &gpt_clk_recalc,
275 .set_rate = &gpt_clk_set_rate,
276 .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2},
277 .private_data = &gpt0_synth_config,
164}; 278};
165 279
166/* gpt parents */ 280/* gpt parents */
167static struct pclk_info gpt_pclk_info[] = { 281static struct pclk_info gpt0_pclk_info[] = {
168 { 282 {
169 .pclk = &pll1_clk, 283 .pclk = &gpt0_synth_clk,
170 .pclk_mask = AUX_CLK_PLL1_MASK, 284 .pclk_val = AUX_CLK_PLL1_VAL,
171 .scalable = 1,
172 }, { 285 }, {
173 .pclk = &pll3_48m_clk, 286 .pclk = &pll3_48m_clk,
174 .pclk_mask = AUX_CLK_PLL3_MASK, 287 .pclk_val = AUX_CLK_PLL3_VAL,
175 .scalable = 0,
176 }, 288 },
177}; 289};
178 290
179/* gpt parent select structure */ 291/* gpt parent select structure */
180static struct pclk_sel gpt_pclk_sel = { 292static struct pclk_sel gpt0_pclk_sel = {
181 .pclk_info = gpt_pclk_info, 293 .pclk_info = gpt0_pclk_info,
182 .pclk_count = ARRAY_SIZE(gpt_pclk_info), 294 .pclk_count = ARRAY_SIZE(gpt0_pclk_info),
183 .pclk_sel_reg = PERIP_CLK_CFG, 295 .pclk_sel_reg = PERIP_CLK_CFG,
184 .pclk_sel_mask = GPT_CLK_MASK, 296 .pclk_sel_mask = GPT_CLK_MASK,
185}; 297};
186 298
187/* gpt0 configurations */
188static struct aux_clk_config gpt0_config = {
189 .synth_reg = PRSC1_CLK_CFG,
190};
191
192/* gpt0 timer clock */ 299/* gpt0 timer clock */
193static struct clk gpt0_clk = { 300static struct clk gpt0_clk = {
194 .flags = ALWAYS_ENABLED, 301 .flags = ALWAYS_ENABLED,
195 .pclk_sel = &gpt_pclk_sel, 302 .pclk_sel = &gpt0_pclk_sel,
196 .pclk_sel_shift = GPT0_CLK_SHIFT, 303 .pclk_sel_shift = GPT0_CLK_SHIFT,
197 .recalc = &gpt_clk_recalc, 304 .recalc = &follow_parent,
198 .private_data = &gpt0_config,
199}; 305};
200 306
201/* gpt1 configurations */ 307/* gpt1 synth clk configurations */
202static struct aux_clk_config gpt1_config = { 308static struct gpt_clk_config gpt1_synth_config = {
203 .synth_reg = PRSC2_CLK_CFG, 309 .synth_reg = PRSC2_CLK_CFG,
310 .masks = &gpt_masks,
311};
312
313/* gpt1 synth clock */
314static struct clk gpt1_synth_clk = {
315 .flags = ALWAYS_ENABLED,
316 .pclk = &pll1_clk,
317 .calc_rate = &gpt_calc_rate,
318 .recalc = &gpt_clk_recalc,
319 .set_rate = &gpt_clk_set_rate,
320 .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2},
321 .private_data = &gpt1_synth_config,
322};
323
324static struct pclk_info gpt1_pclk_info[] = {
325 {
326 .pclk = &gpt1_synth_clk,
327 .pclk_val = AUX_CLK_PLL1_VAL,
328 }, {
329 .pclk = &pll3_48m_clk,
330 .pclk_val = AUX_CLK_PLL3_VAL,
331 },
332};
333
334/* gpt parent select structure */
335static struct pclk_sel gpt1_pclk_sel = {
336 .pclk_info = gpt1_pclk_info,
337 .pclk_count = ARRAY_SIZE(gpt1_pclk_info),
338 .pclk_sel_reg = PERIP_CLK_CFG,
339 .pclk_sel_mask = GPT_CLK_MASK,
204}; 340};
205 341
206/* gpt1 timer clock */ 342/* gpt1 timer clock */
207static struct clk gpt1_clk = { 343static struct clk gpt1_clk = {
208 .en_reg = PERIP1_CLK_ENB, 344 .en_reg = PERIP1_CLK_ENB,
209 .en_reg_bit = GPT1_CLK_ENB, 345 .en_reg_bit = GPT1_CLK_ENB,
210 .pclk_sel = &gpt_pclk_sel, 346 .pclk_sel = &gpt1_pclk_sel,
211 .pclk_sel_shift = GPT1_CLK_SHIFT, 347 .pclk_sel_shift = GPT1_CLK_SHIFT,
212 .recalc = &gpt_clk_recalc, 348 .recalc = &follow_parent,
213 .private_data = &gpt1_config,
214}; 349};
215 350
216/* gpt2 configurations */ 351/* gpt2 synth clk configurations */
217static struct aux_clk_config gpt2_config = { 352static struct gpt_clk_config gpt2_synth_config = {
218 .synth_reg = PRSC3_CLK_CFG, 353 .synth_reg = PRSC3_CLK_CFG,
354 .masks = &gpt_masks,
355};
356
357/* gpt1 synth clock */
358static struct clk gpt2_synth_clk = {
359 .flags = ALWAYS_ENABLED,
360 .pclk = &pll1_clk,
361 .calc_rate = &gpt_calc_rate,
362 .recalc = &gpt_clk_recalc,
363 .set_rate = &gpt_clk_set_rate,
364 .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2},
365 .private_data = &gpt2_synth_config,
366};
367
368static struct pclk_info gpt2_pclk_info[] = {
369 {
370 .pclk = &gpt2_synth_clk,
371 .pclk_val = AUX_CLK_PLL1_VAL,
372 }, {
373 .pclk = &pll3_48m_clk,
374 .pclk_val = AUX_CLK_PLL3_VAL,
375 },
376};
377
378/* gpt parent select structure */
379static struct pclk_sel gpt2_pclk_sel = {
380 .pclk_info = gpt2_pclk_info,
381 .pclk_count = ARRAY_SIZE(gpt2_pclk_info),
382 .pclk_sel_reg = PERIP_CLK_CFG,
383 .pclk_sel_mask = GPT_CLK_MASK,
219}; 384};
220 385
221/* gpt2 timer clock */ 386/* gpt2 timer clock */
222static struct clk gpt2_clk = { 387static struct clk gpt2_clk = {
223 .en_reg = PERIP1_CLK_ENB, 388 .en_reg = PERIP1_CLK_ENB,
224 .en_reg_bit = GPT2_CLK_ENB, 389 .en_reg_bit = GPT2_CLK_ENB,
225 .pclk_sel = &gpt_pclk_sel, 390 .pclk_sel = &gpt2_pclk_sel,
226 .pclk_sel_shift = GPT2_CLK_SHIFT, 391 .pclk_sel_shift = GPT2_CLK_SHIFT,
227 .recalc = &gpt_clk_recalc, 392 .recalc = &follow_parent,
228 .private_data = &gpt2_config,
229}; 393};
230 394
231/* clock derived from pll3 clk */ 395/* clock derived from pll3 clk */
@@ -245,26 +409,27 @@ static struct clk usbd_clk = {
245 .recalc = &follow_parent, 409 .recalc = &follow_parent,
246}; 410};
247 411
248/* clcd clock */ 412/* clock derived from ahb clk */
249static struct clk clcd_clk = { 413/* apb masks structure */
250 .flags = ALWAYS_ENABLED, 414static struct bus_clk_masks apb_masks = {
251 .pclk = &pll3_48m_clk, 415 .mask = HCLK_PCLK_RATIO_MASK,
252 .recalc = &follow_parent, 416 .shift = HCLK_PCLK_RATIO_SHIFT,
253}; 417};
254 418
255/* clock derived from ahb clk */
256/* apb configuration structure */ 419/* apb configuration structure */
257static struct bus_clk_config apb_config = { 420static struct bus_clk_config apb_config = {
258 .reg = CORE_CLK_CFG, 421 .reg = CORE_CLK_CFG,
259 .mask = HCLK_PCLK_RATIO_MASK, 422 .masks = &apb_masks,
260 .shift = HCLK_PCLK_RATIO_SHIFT,
261}; 423};
262 424
263/* apb clock */ 425/* apb clock */
264static struct clk apb_clk = { 426static struct clk apb_clk = {
265 .flags = ALWAYS_ENABLED, 427 .flags = ALWAYS_ENABLED,
266 .pclk = &ahb_clk, 428 .pclk = &ahb_clk,
429 .calc_rate = &bus_calc_rate,
267 .recalc = &bus_clk_recalc, 430 .recalc = &bus_clk_recalc,
431 .set_rate = &bus_clk_set_rate,
432 .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2},
268 .private_data = &apb_config, 433 .private_data = &apb_config,
269}; 434};
270 435
@@ -325,8 +490,17 @@ static struct clk adc_clk = {
325 .recalc = &follow_parent, 490 .recalc = &follow_parent,
326}; 491};
327 492
493#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
494/* emi clock */
495static struct clk emi_clk = {
496 .flags = ALWAYS_ENABLED,
497 .pclk = &ahb_clk,
498 .recalc = &follow_parent,
499};
500#endif
501
328/* ssp clock */ 502/* ssp clock */
329static struct clk ssp_clk = { 503static struct clk ssp0_clk = {
330 .pclk = &apb_clk, 504 .pclk = &apb_clk,
331 .en_reg = PERIP1_CLK_ENB, 505 .en_reg = PERIP1_CLK_ENB,
332 .en_reg_bit = SSP_CLK_ENB, 506 .en_reg_bit = SSP_CLK_ENB,
@@ -343,14 +517,145 @@ static struct clk gpio_clk = {
343 517
344static struct clk dummy_apb_pclk; 518static struct clk dummy_apb_pclk;
345 519
520#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR310) || \
521 defined(CONFIG_MACH_SPEAR320)
522/* fsmc clock */
523static struct clk fsmc_clk = {
524 .flags = ALWAYS_ENABLED,
525 .pclk = &ahb_clk,
526 .recalc = &follow_parent,
527};
528#endif
529
530/* common clocks to spear310 and spear320 */
531#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
532/* uart1 clock */
533static struct clk uart1_clk = {
534 .flags = ALWAYS_ENABLED,
535 .pclk = &apb_clk,
536 .recalc = &follow_parent,
537};
538
539/* uart2 clock */
540static struct clk uart2_clk = {
541 .flags = ALWAYS_ENABLED,
542 .pclk = &apb_clk,
543 .recalc = &follow_parent,
544};
545#endif /* CONFIG_MACH_SPEAR310 || CONFIG_MACH_SPEAR320 */
546
547/* common clocks to spear300 and spear320 */
548#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR320)
549/* clcd clock */
550static struct clk clcd_clk = {
551 .flags = ALWAYS_ENABLED,
552 .pclk = &pll3_48m_clk,
553 .recalc = &follow_parent,
554};
555
556/* sdhci clock */
557static struct clk sdhci_clk = {
558 .flags = ALWAYS_ENABLED,
559 .pclk = &ahb_clk,
560 .recalc = &follow_parent,
561};
562#endif /* CONFIG_MACH_SPEAR300 || CONFIG_MACH_SPEAR320 */
563
564/* spear300 machine specific clock structures */
565#ifdef CONFIG_MACH_SPEAR300
566/* gpio1 clock */
567static struct clk gpio1_clk = {
568 .flags = ALWAYS_ENABLED,
569 .pclk = &apb_clk,
570 .recalc = &follow_parent,
571};
572
573/* keyboard clock */
574static struct clk kbd_clk = {
575 .flags = ALWAYS_ENABLED,
576 .pclk = &apb_clk,
577 .recalc = &follow_parent,
578};
579
580#endif
581
582/* spear310 machine specific clock structures */
583#ifdef CONFIG_MACH_SPEAR310
584/* uart3 clock */
585static struct clk uart3_clk = {
586 .flags = ALWAYS_ENABLED,
587 .pclk = &apb_clk,
588 .recalc = &follow_parent,
589};
590
591/* uart4 clock */
592static struct clk uart4_clk = {
593 .flags = ALWAYS_ENABLED,
594 .pclk = &apb_clk,
595 .recalc = &follow_parent,
596};
597
598/* uart5 clock */
599static struct clk uart5_clk = {
600 .flags = ALWAYS_ENABLED,
601 .pclk = &apb_clk,
602 .recalc = &follow_parent,
603};
604#endif
605
606/* spear320 machine specific clock structures */
607#ifdef CONFIG_MACH_SPEAR320
608/* can0 clock */
609static struct clk can0_clk = {
610 .flags = ALWAYS_ENABLED,
611 .pclk = &apb_clk,
612 .recalc = &follow_parent,
613};
614
615/* can1 clock */
616static struct clk can1_clk = {
617 .flags = ALWAYS_ENABLED,
618 .pclk = &apb_clk,
619 .recalc = &follow_parent,
620};
621
622/* i2c1 clock */
623static struct clk i2c1_clk = {
624 .flags = ALWAYS_ENABLED,
625 .pclk = &ahb_clk,
626 .recalc = &follow_parent,
627};
628
629/* ssp1 clock */
630static struct clk ssp1_clk = {
631 .flags = ALWAYS_ENABLED,
632 .pclk = &apb_clk,
633 .recalc = &follow_parent,
634};
635
636/* ssp2 clock */
637static struct clk ssp2_clk = {
638 .flags = ALWAYS_ENABLED,
639 .pclk = &apb_clk,
640 .recalc = &follow_parent,
641};
642
643/* pwm clock */
644static struct clk pwm_clk = {
645 .flags = ALWAYS_ENABLED,
646 .pclk = &apb_clk,
647 .recalc = &follow_parent,
648};
649#endif
650
346/* array of all spear 3xx clock lookups */ 651/* array of all spear 3xx clock lookups */
347static struct clk_lookup spear_clk_lookups[] = { 652static struct clk_lookup spear_clk_lookups[] = {
348 { .con_id = "apb_pclk", .clk = &dummy_apb_pclk}, 653 { .con_id = "apb_pclk", .clk = &dummy_apb_pclk},
349 /* root clks */ 654 /* root clks */
350 { .con_id = "osc_32k_clk", .clk = &osc_32k_clk}, 655 { .con_id = "osc_32k_clk", .clk = &osc_32k_clk},
351 { .con_id = "osc_24m_clk", .clk = &osc_24m_clk}, 656 { .con_id = "osc_24m_clk", .clk = &osc_24m_clk},
352 /* clock derived from 32 KHz osc clk */ 657 /* clock derived from 32 KHz osc clk */
353 { .dev_id = "rtc", .clk = &rtc_clk}, 658 { .dev_id = "rtc-spear", .clk = &rtc_clk},
354 /* clock derived from 24 MHz osc clk */ 659 /* clock derived from 24 MHz osc clk */
355 { .con_id = "pll1_clk", .clk = &pll1_clk}, 660 { .con_id = "pll1_clk", .clk = &pll1_clk},
356 { .con_id = "pll3_48m_clk", .clk = &pll3_48m_clk}, 661 { .con_id = "pll3_48m_clk", .clk = &pll3_48m_clk},
@@ -358,18 +663,22 @@ static struct clk_lookup spear_clk_lookups[] = {
358 /* clock derived from pll1 clk */ 663 /* clock derived from pll1 clk */
359 { .con_id = "cpu_clk", .clk = &cpu_clk}, 664 { .con_id = "cpu_clk", .clk = &cpu_clk},
360 { .con_id = "ahb_clk", .clk = &ahb_clk}, 665 { .con_id = "ahb_clk", .clk = &ahb_clk},
666 { .con_id = "uart_synth_clk", .clk = &uart_synth_clk},
667 { .con_id = "firda_synth_clk", .clk = &firda_synth_clk},
668 { .con_id = "gpt0_synth_clk", .clk = &gpt0_synth_clk},
669 { .con_id = "gpt1_synth_clk", .clk = &gpt1_synth_clk},
670 { .con_id = "gpt2_synth_clk", .clk = &gpt2_synth_clk},
361 { .dev_id = "uart", .clk = &uart_clk}, 671 { .dev_id = "uart", .clk = &uart_clk},
362 { .dev_id = "firda", .clk = &firda_clk}, 672 { .dev_id = "firda", .clk = &firda_clk},
363 { .dev_id = "gpt0", .clk = &gpt0_clk}, 673 { .dev_id = "gpt0", .clk = &gpt0_clk},
364 { .dev_id = "gpt1", .clk = &gpt1_clk}, 674 { .dev_id = "gpt1", .clk = &gpt1_clk},
365 { .dev_id = "gpt2", .clk = &gpt2_clk}, 675 { .dev_id = "gpt2", .clk = &gpt2_clk},
366 /* clock derived from pll3 clk */ 676 /* clock derived from pll3 clk */
367 { .dev_id = "usbh", .clk = &usbh_clk}, 677 { .dev_id = "designware_udc", .clk = &usbd_clk},
368 { .dev_id = "usbd", .clk = &usbd_clk}, 678 { .con_id = "usbh_clk", .clk = &usbh_clk},
369 { .dev_id = "clcd", .clk = &clcd_clk},
370 /* clock derived from ahb clk */ 679 /* clock derived from ahb clk */
371 { .con_id = "apb_clk", .clk = &apb_clk}, 680 { .con_id = "apb_clk", .clk = &apb_clk},
372 { .dev_id = "i2c", .clk = &i2c_clk}, 681 { .dev_id = "i2c_designware.0", .clk = &i2c_clk},
373 { .dev_id = "dma", .clk = &dma_clk}, 682 { .dev_id = "dma", .clk = &dma_clk},
374 { .dev_id = "jpeg", .clk = &jpeg_clk}, 683 { .dev_id = "jpeg", .clk = &jpeg_clk},
375 { .dev_id = "gmac", .clk = &gmac_clk}, 684 { .dev_id = "gmac", .clk = &gmac_clk},
@@ -377,8 +686,50 @@ static struct clk_lookup spear_clk_lookups[] = {
377 { .dev_id = "c3", .clk = &c3_clk}, 686 { .dev_id = "c3", .clk = &c3_clk},
378 /* clock derived from apb clk */ 687 /* clock derived from apb clk */
379 { .dev_id = "adc", .clk = &adc_clk}, 688 { .dev_id = "adc", .clk = &adc_clk},
380 { .dev_id = "ssp", .clk = &ssp_clk}, 689 { .dev_id = "ssp-pl022.0", .clk = &ssp0_clk},
381 { .dev_id = "gpio", .clk = &gpio_clk}, 690 { .dev_id = "gpio", .clk = &gpio_clk},
691#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
692 { .dev_id = "physmap-flash", .clk = &emi_clk},
693#endif
694#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR310) || \
695 defined(CONFIG_MACH_SPEAR320)
696 { .con_id = "fsmc", .clk = &fsmc_clk},
697#endif
698
699/* common clocks to spear310 and spear320 */
700#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
701 { .dev_id = "uart1", .clk = &uart1_clk},
702 { .dev_id = "uart2", .clk = &uart2_clk},
703#endif
704
705 /* common clock to spear300 and spear320 */
706#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR320)
707 { .dev_id = "clcd", .clk = &clcd_clk},
708 { .dev_id = "sdhci", .clk = &sdhci_clk},
709#endif /* CONFIG_MACH_SPEAR300 || CONFIG_MACH_SPEAR320 */
710
711 /* spear300 machine specific clock structures */
712#ifdef CONFIG_MACH_SPEAR300
713 { .dev_id = "gpio1", .clk = &gpio1_clk},
714 { .dev_id = "keyboard", .clk = &kbd_clk},
715#endif
716
717 /* spear310 machine specific clock structures */
718#ifdef CONFIG_MACH_SPEAR310
719 { .dev_id = "uart3", .clk = &uart3_clk},
720 { .dev_id = "uart4", .clk = &uart4_clk},
721 { .dev_id = "uart5", .clk = &uart5_clk},
722
723#endif
724 /* spear320 machine specific clock structures */
725#ifdef CONFIG_MACH_SPEAR320
726 { .dev_id = "c_can_platform.0", .clk = &can0_clk},
727 { .dev_id = "c_can_platform.1", .clk = &can1_clk},
728 { .dev_id = "i2c_designware.1", .clk = &i2c1_clk},
729 { .dev_id = "ssp-pl022.1", .clk = &ssp1_clk},
730 { .dev_id = "ssp-pl022.2", .clk = &ssp2_clk},
731 { .dev_id = "pwm", .clk = &pwm_clk},
732#endif
382}; 733};
383 734
384void __init clk_init(void) 735void __init clk_init(void)