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495b3cea MD |
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> | |
495b3cea MD |
21 | #include <linux/io.h> |
22 | #include <linux/sh_clk.h> | |
6d803ba7 | 23 | #include <linux/clkdev.h> |
495b3cea | 24 | #include <mach/common.h> |
495b3cea MD |
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 | ||
f2ace4a5 KM |
53 | #define FSIDIVA 0xFE1F8000 |
54 | #define FSIDIVB 0xFE1F8008 | |
55 | ||
b90884c8 | 56 | /* Platforms must set frequency on their DV_CLKI pin */ |
685e4080 | 57 | struct clk sh7372_dv_clki_clk = { |
b90884c8 GL |
58 | }; |
59 | ||
495b3cea MD |
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 | */ | |
83ca5c87 | 69 | struct clk sh7372_extal1_clk = { |
3b79bece | 70 | .rate = 26000000, |
495b3cea MD |
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 | */ | |
83ca5c87 | 77 | struct clk sh7372_extal2_clk = { |
495b3cea MD |
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 | ||
b90884c8 | 91 | /* Divide dv_clki by two */ |
685e4080 | 92 | struct clk sh7372_dv_clki_div2_clk = { |
b90884c8 | 93 | .ops = &div2_clk_ops, |
685e4080 | 94 | .parent = &sh7372_dv_clki_clk, |
b90884c8 GL |
95 | }; |
96 | ||
495b3cea MD |
97 | /* Divide extal1 by two */ |
98 | static struct clk extal1_div2_clk = { | |
99 | .ops = &div2_clk_ops, | |
83ca5c87 | 100 | .parent = &sh7372_extal1_clk, |
495b3cea MD |
101 | }; |
102 | ||
103 | /* Divide extal2 by two */ | |
104 | static struct clk extal2_div2_clk = { | |
105 | .ops = &div2_clk_ops, | |
83ca5c87 | 106 | .parent = &sh7372_extal2_clk, |
495b3cea MD |
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 */ | |
b90884c8 GL |
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, | |
685e4080 | 156 | [2] = &sh7372_dv_clki_div2_clk, |
b90884c8 GL |
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 | ||
495b3cea MD |
180 | static unsigned long pllc2_recalc(struct clk *clk) |
181 | { | |
182 | unsigned long mult = 1; | |
183 | ||
b90884c8 GL |
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 | */ | |
495b3cea MD |
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 | ||
b90884c8 GL |
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 | ||
35a96c73 | 223 | static int pllc2_set_rate(struct clk *clk, unsigned long rate) |
b90884c8 GL |
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 | ||
421b446a KM |
232 | if (rate == clk->parent->rate) |
233 | return -EINVAL; | |
b90884c8 GL |
234 | |
235 | value = __raw_readl(PLLC2CR) & ~(0x3f << 24); | |
236 | ||
ff9531ec KM |
237 | __raw_writel(value | ((idx + 19) << 24), PLLC2CR); |
238 | ||
239 | clk->rate = clk->freq_table[idx].frequency; | |
b90884c8 | 240 | |
b90884c8 GL |
241 | return 0; |
242 | } | |
243 | ||
244 | static int pllc2_set_parent(struct clk *clk, struct clk *parent) | |
245 | { | |
246 | u32 value; | |
247 | int ret, i; | |
248 | ||
249 | if (!clk->parent_table || !clk->parent_num) | |
250 | return -EINVAL; | |
251 | ||
252 | /* Search the parent */ | |
253 | for (i = 0; i < clk->parent_num; i++) | |
254 | if (clk->parent_table[i] == parent) | |
255 | break; | |
256 | ||
257 | if (i == clk->parent_num) | |
258 | return -ENODEV; | |
259 | ||
260 | ret = clk_reparent(clk, parent); | |
261 | if (ret < 0) | |
262 | return ret; | |
263 | ||
264 | value = __raw_readl(PLLC2CR) & ~(3 << 6); | |
265 | ||
266 | __raw_writel(value | (i << 6), PLLC2CR); | |
267 | ||
268 | /* Rebiuld the frequency table */ | |
269 | pllc2_table_rebuild(clk); | |
270 | ||
271 | return 0; | |
272 | } | |
273 | ||
495b3cea MD |
274 | static struct clk_ops pllc2_clk_ops = { |
275 | .recalc = pllc2_recalc, | |
b90884c8 GL |
276 | .round_rate = pllc2_round_rate, |
277 | .set_rate = pllc2_set_rate, | |
278 | .enable = pllc2_enable, | |
279 | .disable = pllc2_disable, | |
280 | .set_parent = pllc2_set_parent, | |
495b3cea MD |
281 | }; |
282 | ||
685e4080 | 283 | struct clk sh7372_pllc2_clk = { |
495b3cea | 284 | .ops = &pllc2_clk_ops, |
495b3cea | 285 | .parent = &extal1_div2_clk, |
b90884c8 | 286 | .freq_table = pllc2_freq_table, |
5c4e0f19 | 287 | .nr_freqs = ARRAY_SIZE(pllc2_freq_table) - 1, |
b90884c8 GL |
288 | .parent_table = pllc2_parent, |
289 | .parent_num = ARRAY_SIZE(pllc2_parent), | |
495b3cea MD |
290 | }; |
291 | ||
69ce8aa4 KM |
292 | /* External input clock (pin name: FSIACK/FSIBCK ) */ |
293 | struct clk sh7372_fsiack_clk = { | |
294 | }; | |
295 | ||
296 | struct clk sh7372_fsibck_clk = { | |
297 | }; | |
298 | ||
83ca5c87 | 299 | static struct clk *main_clks[] = { |
685e4080 | 300 | &sh7372_dv_clki_clk, |
495b3cea | 301 | &r_clk, |
83ca5c87 MD |
302 | &sh7372_extal1_clk, |
303 | &sh7372_extal2_clk, | |
685e4080 | 304 | &sh7372_dv_clki_div2_clk, |
495b3cea MD |
305 | &extal1_div2_clk, |
306 | &extal2_div2_clk, | |
307 | &extal2_div4_clk, | |
308 | &pllc0_clk, | |
309 | &pllc1_clk, | |
310 | &pllc1_div2_clk, | |
685e4080 | 311 | &sh7372_pllc2_clk, |
69ce8aa4 KM |
312 | &sh7372_fsiack_clk, |
313 | &sh7372_fsibck_clk, | |
495b3cea MD |
314 | }; |
315 | ||
316 | static void div4_kick(struct clk *clk) | |
317 | { | |
318 | unsigned long value; | |
319 | ||
320 | /* set KICK bit in FRQCRB to update hardware setting */ | |
321 | value = __raw_readl(FRQCRB); | |
322 | value |= (1 << 31); | |
323 | __raw_writel(value, FRQCRB); | |
324 | } | |
325 | ||
326 | static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18, | |
327 | 24, 32, 36, 48, 0, 72, 96, 0 }; | |
328 | ||
329 | static struct clk_div_mult_table div4_div_mult_table = { | |
330 | .divisors = divisors, | |
331 | .nr_divisors = ARRAY_SIZE(divisors), | |
332 | }; | |
333 | ||
334 | static struct clk_div4_table div4_table = { | |
335 | .div_mult_table = &div4_div_mult_table, | |
336 | .kick = div4_kick, | |
337 | }; | |
338 | ||
339 | enum { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_CSIR, | |
340 | DIV4_ZTR, DIV4_ZT, DIV4_ZX, DIV4_HP, | |
341 | DIV4_ISPB, DIV4_S, DIV4_ZB, DIV4_ZB3, DIV4_CP, | |
342 | DIV4_DDRP, DIV4_NR }; | |
343 | ||
344 | #define DIV4(_reg, _bit, _mask, _flags) \ | |
345 | SH_CLK_DIV4(&pllc1_clk, _reg, _bit, _mask, _flags) | |
346 | ||
83ca5c87 | 347 | static struct clk div4_clks[DIV4_NR] = { |
495b3cea MD |
348 | [DIV4_I] = DIV4(FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT), |
349 | [DIV4_ZG] = DIV4(FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT), | |
350 | [DIV4_B] = DIV4(FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT), | |
351 | [DIV4_M1] = DIV4(FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT), | |
352 | [DIV4_CSIR] = DIV4(FRQCRA, 0, 0x6fff, 0), | |
353 | [DIV4_ZTR] = DIV4(FRQCRB, 20, 0x6fff, 0), | |
354 | [DIV4_ZT] = DIV4(FRQCRB, 16, 0x6fff, 0), | |
355 | [DIV4_ZX] = DIV4(FRQCRB, 12, 0x6fff, 0), | |
356 | [DIV4_HP] = DIV4(FRQCRB, 4, 0x6fff, 0), | |
357 | [DIV4_ISPB] = DIV4(FRQCRC, 20, 0x6fff, 0), | |
358 | [DIV4_S] = DIV4(FRQCRC, 12, 0x6fff, 0), | |
359 | [DIV4_ZB] = DIV4(FRQCRC, 8, 0x6fff, 0), | |
360 | [DIV4_ZB3] = DIV4(FRQCRC, 4, 0x6fff, 0), | |
361 | [DIV4_CP] = DIV4(FRQCRC, 0, 0x6fff, 0), | |
362 | [DIV4_DDRP] = DIV4(FRQCRD, 0, 0x677c, 0), | |
363 | }; | |
364 | ||
365 | enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_FMSI, DIV6_FMSO, | |
69ce8aa4 | 366 | DIV6_SUB, DIV6_SPU, |
b90884c8 | 367 | DIV6_VOU, DIV6_DSIT, DIV6_DSI0P, DIV6_DSI1P, |
495b3cea MD |
368 | DIV6_NR }; |
369 | ||
83ca5c87 | 370 | static struct clk div6_clks[DIV6_NR] = { |
495b3cea MD |
371 | [DIV6_VCK1] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR1, 0), |
372 | [DIV6_VCK2] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR2, 0), | |
373 | [DIV6_VCK3] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR3, 0), | |
374 | [DIV6_FMSI] = SH_CLK_DIV6(&pllc1_div2_clk, FMSICKCR, 0), | |
375 | [DIV6_FMSO] = SH_CLK_DIV6(&pllc1_div2_clk, FMSOCKCR, 0), | |
83ca5c87 | 376 | [DIV6_SUB] = SH_CLK_DIV6(&sh7372_extal2_clk, SUBCKCR, 0), |
495b3cea MD |
377 | [DIV6_SPU] = SH_CLK_DIV6(&pllc1_div2_clk, SPUCKCR, 0), |
378 | [DIV6_VOU] = SH_CLK_DIV6(&pllc1_div2_clk, VOUCKCR, 0), | |
495b3cea MD |
379 | [DIV6_DSIT] = SH_CLK_DIV6(&pllc1_div2_clk, DSITCKCR, 0), |
380 | [DIV6_DSI0P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI0PCKCR, 0), | |
381 | [DIV6_DSI1P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI1PCKCR, 0), | |
382 | }; | |
383 | ||
69ce8aa4 | 384 | enum { DIV6_HDMI, DIV6_FSIA, DIV6_FSIB, DIV6_REPARENT_NR }; |
b90884c8 GL |
385 | |
386 | /* Indices are important - they are the actual src selecting values */ | |
387 | static struct clk *hdmi_parent[] = { | |
388 | [0] = &pllc1_div2_clk, | |
685e4080 KM |
389 | [1] = &sh7372_pllc2_clk, |
390 | [2] = &sh7372_dv_clki_clk, | |
b90884c8 GL |
391 | [3] = NULL, /* pllc2_div4 not implemented yet */ |
392 | }; | |
393 | ||
69ce8aa4 KM |
394 | static struct clk *fsiackcr_parent[] = { |
395 | [0] = &pllc1_div2_clk, | |
396 | [1] = &sh7372_pllc2_clk, | |
397 | [2] = &sh7372_fsiack_clk, /* external input for FSI A */ | |
398 | [3] = NULL, /* setting prohibited */ | |
399 | }; | |
400 | ||
401 | static struct clk *fsibckcr_parent[] = { | |
402 | [0] = &pllc1_div2_clk, | |
403 | [1] = &sh7372_pllc2_clk, | |
404 | [2] = &sh7372_fsibck_clk, /* external input for FSI B */ | |
405 | [3] = NULL, /* setting prohibited */ | |
406 | }; | |
407 | ||
b90884c8 GL |
408 | static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { |
409 | [DIV6_HDMI] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, HDMICKCR, 0, | |
410 | hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2), | |
69ce8aa4 KM |
411 | [DIV6_FSIA] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, FSIACKCR, 0, |
412 | fsiackcr_parent, ARRAY_SIZE(fsiackcr_parent), 6, 2), | |
413 | [DIV6_FSIB] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, FSIBCKCR, 0, | |
414 | fsibckcr_parent, ARRAY_SIZE(fsibckcr_parent), 6, 2), | |
b90884c8 GL |
415 | }; |
416 | ||
f2ace4a5 KM |
417 | /* FSI DIV */ |
418 | static unsigned long fsidiv_recalc(struct clk *clk) | |
419 | { | |
420 | unsigned long value; | |
421 | ||
422 | value = __raw_readl(clk->mapping->base); | |
423 | ||
f2ace4a5 KM |
424 | value >>= 16; |
425 | if (value < 2) | |
426 | return 0; | |
427 | ||
428 | return clk->parent->rate / value; | |
429 | } | |
430 | ||
431 | static long fsidiv_round_rate(struct clk *clk, unsigned long rate) | |
432 | { | |
433 | return clk_rate_div_range_round(clk, 2, 0xffff, rate); | |
434 | } | |
435 | ||
436 | static void fsidiv_disable(struct clk *clk) | |
437 | { | |
438 | __raw_writel(0, clk->mapping->base); | |
439 | } | |
440 | ||
441 | static int fsidiv_enable(struct clk *clk) | |
442 | { | |
443 | unsigned long value; | |
444 | ||
445 | value = __raw_readl(clk->mapping->base) >> 16; | |
e8ee13a8 | 446 | if (value < 2) |
a57b1a9b | 447 | return -EIO; |
f2ace4a5 KM |
448 | |
449 | __raw_writel((value << 16) | 0x3, clk->mapping->base); | |
450 | ||
451 | return 0; | |
452 | } | |
453 | ||
35a96c73 | 454 | static int fsidiv_set_rate(struct clk *clk, unsigned long rate) |
f2ace4a5 KM |
455 | { |
456 | int idx; | |
457 | ||
f2ace4a5 KM |
458 | idx = (clk->parent->rate / rate) & 0xffff; |
459 | if (idx < 2) | |
a57b1a9b | 460 | return -EINVAL; |
f2ace4a5 KM |
461 | |
462 | __raw_writel(idx << 16, clk->mapping->base); | |
d4bc99b9 | 463 | return 0; |
f2ace4a5 KM |
464 | } |
465 | ||
466 | static struct clk_ops fsidiv_clk_ops = { | |
467 | .recalc = fsidiv_recalc, | |
468 | .round_rate = fsidiv_round_rate, | |
469 | .set_rate = fsidiv_set_rate, | |
470 | .enable = fsidiv_enable, | |
471 | .disable = fsidiv_disable, | |
472 | }; | |
473 | ||
474 | static struct clk_mapping sh7372_fsidiva_clk_mapping = { | |
475 | .phys = FSIDIVA, | |
476 | .len = 8, | |
477 | }; | |
478 | ||
479 | struct clk sh7372_fsidiva_clk = { | |
480 | .ops = &fsidiv_clk_ops, | |
481 | .parent = &div6_reparent_clks[DIV6_FSIA], /* late install */ | |
482 | .mapping = &sh7372_fsidiva_clk_mapping, | |
483 | }; | |
484 | ||
485 | static struct clk_mapping sh7372_fsidivb_clk_mapping = { | |
486 | .phys = FSIDIVB, | |
487 | .len = 8, | |
488 | }; | |
489 | ||
490 | struct clk sh7372_fsidivb_clk = { | |
491 | .ops = &fsidiv_clk_ops, | |
492 | .parent = &div6_reparent_clks[DIV6_FSIB], /* late install */ | |
493 | .mapping = &sh7372_fsidivb_clk_mapping, | |
494 | }; | |
495 | ||
496 | static struct clk *late_main_clks[] = { | |
497 | &sh7372_fsidiva_clk, | |
498 | &sh7372_fsidivb_clk, | |
499 | }; | |
500 | ||
495b3cea | 501 | enum { MSTP001, |
d473e0a5 | 502 | MSTP131, MSTP130, |
c6c049ec | 503 | MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, |
bca606a6 | 504 | MSTP118, MSTP117, MSTP116, MSTP113, |
d473e0a5 | 505 | MSTP106, MSTP101, MSTP100, |
495b3cea MD |
506 | MSTP223, |
507 | MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, | |
21a89344 | 508 | MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312, |
0851d50d | 509 | MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403, |
495b3cea MD |
510 | MSTP_NR }; |
511 | ||
512 | #define MSTP(_parent, _reg, _bit, _flags) \ | |
513 | SH_CLK_MSTP32(_parent, _reg, _bit, _flags) | |
514 | ||
515 | static struct clk mstp_clks[MSTP_NR] = { | |
516 | [MSTP001] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 1, 0), /* IIC2 */ | |
517 | [MSTP131] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 31, 0), /* VEU3 */ | |
518 | [MSTP130] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 30, 0), /* VEU2 */ | |
519 | [MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* VEU1 */ | |
520 | [MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* VEU0 */ | |
a4909b52 GL |
521 | [MSTP127] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 27, 0), /* CEU */ |
522 | [MSTP126] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 26, 0), /* CSI2 */ | |
c6c049ec | 523 | [MSTP125] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */ |
6e86ccad GL |
524 | [MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX */ |
525 | [MSTP117] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */ | |
495b3cea | 526 | [MSTP116] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */ |
bca606a6 | 527 | [MSTP113] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 13, 0), /* MERAM */ |
495b3cea MD |
528 | [MSTP106] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 6, 0), /* JPU */ |
529 | [MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */ | |
d473e0a5 | 530 | [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ |
495b3cea MD |
531 | [MSTP223] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR2, 23, 0), /* SPU2 */ |
532 | [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ | |
533 | [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ | |
534 | [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ | |
535 | [MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */ | |
536 | [MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */ | |
537 | [MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */ | |
538 | [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */ | |
539 | [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ | |
69ce8aa4 | 540 | [MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, 0), /* FSI2 */ |
495b3cea MD |
541 | [MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */ |
542 | [MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */ | |
543 | [MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */ | |
544 | [MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */ | |
21a89344 | 545 | [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */ |
0851d50d | 546 | [MSTP423] = MSTP(&div4_clks[DIV4_B], SMSTPCR4, 23, 0), /* DSITX1 */ |
495b3cea | 547 | [MSTP415] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */ |
b90884c8 | 548 | [MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */ |
495b3cea MD |
549 | [MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */ |
550 | [MSTP410] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 10, 0), /* IIC4 */ | |
551 | [MSTP406] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 6, 0), /* USB1 */ | |
552 | [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ | |
553 | }; | |
554 | ||
555 | #define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk } | |
556 | #define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk } | |
69ce8aa4 | 557 | #define CLKDEV_ICK_ID(_cid, _did, _clk) { .con_id = _cid, .dev_id = _did, .clk = _clk } |
495b3cea MD |
558 | |
559 | static struct clk_lookup lookups[] = { | |
560 | /* main clocks */ | |
685e4080 | 561 | CLKDEV_CON_ID("dv_clki_div2_clk", &sh7372_dv_clki_div2_clk), |
495b3cea | 562 | CLKDEV_CON_ID("r_clk", &r_clk), |
83ca5c87 MD |
563 | CLKDEV_CON_ID("extal1", &sh7372_extal1_clk), |
564 | CLKDEV_CON_ID("extal2", &sh7372_extal2_clk), | |
495b3cea MD |
565 | CLKDEV_CON_ID("extal1_div2_clk", &extal1_div2_clk), |
566 | CLKDEV_CON_ID("extal2_div2_clk", &extal2_div2_clk), | |
567 | CLKDEV_CON_ID("extal2_div4_clk", &extal2_div4_clk), | |
568 | CLKDEV_CON_ID("pllc0_clk", &pllc0_clk), | |
569 | CLKDEV_CON_ID("pllc1_clk", &pllc1_clk), | |
570 | CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk), | |
685e4080 | 571 | CLKDEV_CON_ID("pllc2_clk", &sh7372_pllc2_clk), |
495b3cea MD |
572 | |
573 | /* DIV4 clocks */ | |
574 | CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]), | |
575 | CLKDEV_CON_ID("zg_clk", &div4_clks[DIV4_ZG]), | |
576 | CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]), | |
577 | CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]), | |
578 | CLKDEV_CON_ID("csir_clk", &div4_clks[DIV4_CSIR]), | |
579 | CLKDEV_CON_ID("ztr_clk", &div4_clks[DIV4_ZTR]), | |
580 | CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]), | |
581 | CLKDEV_CON_ID("zx_clk", &div4_clks[DIV4_ZX]), | |
582 | CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]), | |
583 | CLKDEV_CON_ID("ispb_clk", &div4_clks[DIV4_ISPB]), | |
584 | CLKDEV_CON_ID("s_clk", &div4_clks[DIV4_S]), | |
585 | CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]), | |
586 | CLKDEV_CON_ID("zb3_clk", &div4_clks[DIV4_ZB3]), | |
587 | CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]), | |
588 | CLKDEV_CON_ID("ddrp_clk", &div4_clks[DIV4_DDRP]), | |
589 | ||
590 | /* DIV6 clocks */ | |
591 | CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), | |
592 | CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), | |
593 | CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), | |
594 | CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]), | |
595 | CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]), | |
495b3cea MD |
596 | CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]), |
597 | CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]), | |
598 | CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]), | |
b90884c8 | 599 | CLKDEV_CON_ID("hdmi_clk", &div6_reparent_clks[DIV6_HDMI]), |
0851d50d GL |
600 | CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]), |
601 | CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]), | |
602 | CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]), | |
603 | CLKDEV_ICK_ID("dsi1p_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]), | |
495b3cea MD |
604 | |
605 | /* MSTP32 clocks */ | |
606 | CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */ | |
83ca5c87 MD |
607 | CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[MSTP131]), /* VEU3 */ |
608 | CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[MSTP130]), /* VEU2 */ | |
609 | CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[MSTP129]), /* VEU1 */ | |
610 | CLKDEV_DEV_ID("uio_pdrv_genirq.1", &mstp_clks[MSTP128]), /* VEU0 */ | |
a4909b52 GL |
611 | CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]), /* CEU */ |
612 | CLKDEV_DEV_ID("sh-mobile-csi2.0", &mstp_clks[MSTP126]), /* CSI2 */ | |
c6c049ec MD |
613 | CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */ |
614 | CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */ | |
0851d50d | 615 | CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX0 */ |
d473e0a5 | 616 | CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */ |
495b3cea | 617 | CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */ |
bca606a6 | 618 | CLKDEV_DEV_ID("sh_mobile_meram.0", &mstp_clks[MSTP113]), /* MERAM */ |
495b3cea MD |
619 | CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */ |
620 | CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[MSTP101]), /* VPU */ | |
d473e0a5 | 621 | CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ |
495b3cea MD |
622 | CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[MSTP223]), /* SPU2DSP0 */ |
623 | CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[MSTP223]), /* SPU2DSP1 */ | |
624 | CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ | |
625 | CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */ | |
626 | CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ | |
627 | CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ | |
628 | CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */ | |
629 | CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */ | |
630 | CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */ | |
90e09a59 | 631 | CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ |
9848f2f3 | 632 | CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */ |
495b3cea | 633 | CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */ |
4d048435 MD |
634 | CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USB0 */ |
635 | CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP322]), /* USB0 */ | |
495b3cea MD |
636 | CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ |
637 | CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ | |
21a89344 | 638 | CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */ |
0851d50d | 639 | CLKDEV_DEV_ID("sh-mipi-dsi.1", &mstp_clks[MSTP423]), /* DSITX1 */ |
495b3cea | 640 | CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), /* SDHI2 */ |
b90884c8 | 641 | CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */ |
495b3cea MD |
642 | CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */ |
643 | CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */ | |
644 | CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */ | |
645 | CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */ | |
646 | CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ | |
69ce8aa4 KM |
647 | |
648 | CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]), | |
649 | CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]), | |
650 | CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]), | |
495b3cea MD |
651 | }; |
652 | ||
653 | void __init sh7372_clock_init(void) | |
654 | { | |
655 | int k, ret = 0; | |
656 | ||
657 | for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) | |
658 | ret = clk_register(main_clks[k]); | |
659 | ||
660 | if (!ret) | |
661 | ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); | |
662 | ||
663 | if (!ret) | |
664 | ret = sh_clk_div6_register(div6_clks, DIV6_NR); | |
665 | ||
b90884c8 | 666 | if (!ret) |
5d8e3451 | 667 | ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR); |
b90884c8 | 668 | |
495b3cea MD |
669 | if (!ret) |
670 | ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); | |
671 | ||
f2ace4a5 KM |
672 | for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) |
673 | ret = clk_register(late_main_clks[k]); | |
674 | ||
495b3cea MD |
675 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); |
676 | ||
677 | if (!ret) | |
678 | clk_init(); | |
679 | else | |
680 | panic("failed to setup sh7372 clocks\n"); | |
681 | ||
682 | } |