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6c01ba44 KM |
1 | /* |
2 | * R8A7740 processor support | |
3 | * | |
4 | * Copyright (C) 2011 Renesas Solutions Corp. | |
5 | * Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | #include <linux/init.h> | |
21 | #include <linux/kernel.h> | |
22 | #include <linux/io.h> | |
23 | #include <linux/sh_clk.h> | |
24 | #include <linux/clkdev.h> | |
10d6db2b | 25 | #include <mach/clock.h> |
6c01ba44 KM |
26 | #include <mach/common.h> |
27 | #include <mach/r8a7740.h> | |
28 | ||
29 | /* | |
30 | * | MDx | XTAL1/EXTAL1 | System | EXTALR | | |
31 | * Clock |-------+-----------------+ clock | 32.768 | RCLK | |
32 | * Mode | 2/1/0 | src MHz | source | KHz | source | |
33 | * -------+-------+-----------------+-----------+--------+---------- | |
34 | * 0 | 0 0 0 | External 20~50 | XTAL1 | O | EXTALR | |
35 | * 1 | 0 0 1 | Crystal 20~30 | XTAL1 | O | EXTALR | |
36 | * 2 | 0 1 0 | External 40~50 | XTAL1 / 2 | O | EXTALR | |
37 | * 3 | 0 1 1 | Crystal 40~50 | XTAL1 / 2 | O | EXTALR | |
38 | * 4 | 1 0 0 | External 20~50 | XTAL1 | x | XTAL1 / 1024 | |
39 | * 5 | 1 0 1 | Crystal 20~30 | XTAL1 | x | XTAL1 / 1024 | |
40 | * 6 | 1 1 0 | External 40~50 | XTAL1 / 2 | x | XTAL1 / 2048 | |
41 | * 7 | 1 1 1 | Crystal 40~50 | XTAL1 / 2 | x | XTAL1 / 2048 | |
42 | */ | |
43 | ||
44 | /* CPG registers */ | |
0a4b04dc AB |
45 | #define FRQCRA IOMEM(0xe6150000) |
46 | #define FRQCRB IOMEM(0xe6150004) | |
47 | #define VCLKCR1 IOMEM(0xE6150008) | |
48 | #define VCLKCR2 IOMEM(0xE615000c) | |
49 | #define FRQCRC IOMEM(0xe61500e0) | |
50 | #define FSIACKCR IOMEM(0xe6150018) | |
51 | #define PLLC01CR IOMEM(0xe6150028) | |
6c01ba44 | 52 | |
0a4b04dc AB |
53 | #define SUBCKCR IOMEM(0xe6150080) |
54 | #define USBCKCR IOMEM(0xe615008c) | |
6c01ba44 | 55 | |
0a4b04dc AB |
56 | #define MSTPSR0 IOMEM(0xe6150030) |
57 | #define MSTPSR1 IOMEM(0xe6150038) | |
58 | #define MSTPSR2 IOMEM(0xe6150040) | |
59 | #define MSTPSR3 IOMEM(0xe6150048) | |
60 | #define MSTPSR4 IOMEM(0xe615004c) | |
61 | #define FSIBCKCR IOMEM(0xe6150090) | |
62 | #define HDMICKCR IOMEM(0xe6150094) | |
63 | #define SMSTPCR0 IOMEM(0xe6150130) | |
64 | #define SMSTPCR1 IOMEM(0xe6150134) | |
65 | #define SMSTPCR2 IOMEM(0xe6150138) | |
66 | #define SMSTPCR3 IOMEM(0xe615013c) | |
67 | #define SMSTPCR4 IOMEM(0xe6150140) | |
6c01ba44 | 68 | |
7c4fd734 KM |
69 | #define FSIDIVA IOMEM(0xFE1F8000) |
70 | #define FSIDIVB IOMEM(0xFE1F8008) | |
71 | ||
6c01ba44 KM |
72 | /* Fixed 32 KHz root clock from EXTALR pin */ |
73 | static struct clk extalr_clk = { | |
74 | .rate = 32768, | |
75 | }; | |
76 | ||
77 | /* | |
78 | * 25MHz default rate for the EXTAL1 root input clock. | |
79 | * If needed, reset this with clk_set_rate() from the platform code. | |
80 | */ | |
81 | static struct clk extal1_clk = { | |
82 | .rate = 25000000, | |
83 | }; | |
84 | ||
85 | /* | |
86 | * 48MHz default rate for the EXTAL2 root input clock. | |
87 | * If needed, reset this with clk_set_rate() from the platform code. | |
88 | */ | |
89 | static struct clk extal2_clk = { | |
90 | .rate = 48000000, | |
91 | }; | |
92 | ||
93 | /* | |
94 | * 27MHz default rate for the DV_CLKI root input clock. | |
95 | * If needed, reset this with clk_set_rate() from the platform code. | |
96 | */ | |
97 | static struct clk dv_clk = { | |
98 | .rate = 27000000, | |
99 | }; | |
100 | ||
10d6db2b KM |
101 | SH_CLK_RATIO(div2, 1, 2); |
102 | SH_CLK_RATIO(div1k, 1, 1024); | |
6c01ba44 | 103 | |
10d6db2b KM |
104 | SH_FIXED_RATIO_CLK(extal1_div2_clk, extal1_clk, div2); |
105 | SH_FIXED_RATIO_CLK(extal1_div1024_clk, extal1_clk, div1k); | |
106 | SH_FIXED_RATIO_CLK(extal1_div2048_clk, extal1_div2_clk, div1k); | |
107 | SH_FIXED_RATIO_CLK(extal2_div2_clk, extal2_clk, div2); | |
6c01ba44 | 108 | |
d9f8670d | 109 | static struct sh_clk_ops followparent_clk_ops = { |
6c01ba44 KM |
110 | .recalc = followparent_recalc, |
111 | }; | |
112 | ||
113 | /* Main clock */ | |
114 | static struct clk system_clk = { | |
115 | .ops = &followparent_clk_ops, | |
116 | }; | |
117 | ||
10d6db2b | 118 | SH_FIXED_RATIO_CLK(system_div2_clk, system_clk, div2); |
6c01ba44 KM |
119 | |
120 | /* r_clk */ | |
121 | static struct clk r_clk = { | |
122 | .ops = &followparent_clk_ops, | |
123 | }; | |
124 | ||
125 | /* PLLC0/PLLC1 */ | |
126 | static unsigned long pllc01_recalc(struct clk *clk) | |
127 | { | |
128 | unsigned long mult = 1; | |
129 | ||
130 | if (__raw_readl(PLLC01CR) & (1 << 14)) | |
131 | mult = ((__raw_readl(clk->enable_reg) >> 24) & 0x7f) + 1; | |
132 | ||
133 | return clk->parent->rate * mult; | |
134 | } | |
135 | ||
d9f8670d | 136 | static struct sh_clk_ops pllc01_clk_ops = { |
6c01ba44 KM |
137 | .recalc = pllc01_recalc, |
138 | }; | |
139 | ||
140 | static struct clk pllc0_clk = { | |
141 | .ops = &pllc01_clk_ops, | |
142 | .flags = CLK_ENABLE_ON_INIT, | |
143 | .parent = &system_clk, | |
144 | .enable_reg = (void __iomem *)FRQCRC, | |
145 | }; | |
146 | ||
147 | static struct clk pllc1_clk = { | |
148 | .ops = &pllc01_clk_ops, | |
149 | .flags = CLK_ENABLE_ON_INIT, | |
150 | .parent = &system_div2_clk, | |
151 | .enable_reg = (void __iomem *)FRQCRA, | |
152 | }; | |
153 | ||
154 | /* PLLC1 / 2 */ | |
10d6db2b | 155 | SH_FIXED_RATIO_CLK(pllc1_div2_clk, pllc1_clk, div2); |
6c01ba44 | 156 | |
fcca3f0f | 157 | /* USB clock */ |
0a384290 KM |
158 | /* |
159 | * USBCKCR is controlling usb24 clock | |
160 | * bit[7] : parent clock | |
161 | * bit[6] : clock divide rate | |
162 | * And this bit[7] is used as a "usb24s" from other devices. | |
163 | * (Video clock / Sub clock / SPU clock) | |
164 | * You can controll this clock as a below. | |
165 | * | |
166 | * struct clk *usb24 = clk_get(dev, "usb24"); | |
167 | * struct clk *usb24s = clk_get(NULL, "usb24s"); | |
168 | * struct clk *system = clk_get(NULL, "system_clk"); | |
169 | * int rate = clk_get_rate(system); | |
170 | * | |
171 | * clk_set_parent(usb24s, system); // for bit[7] | |
172 | * clk_set_rate(usb24, rate / 2); // for bit[6] | |
173 | */ | |
fcca3f0f KM |
174 | static struct clk *usb24s_parents[] = { |
175 | [0] = &system_clk, | |
176 | [1] = &extal2_clk | |
177 | }; | |
178 | ||
fcca3f0f KM |
179 | static int usb24s_enable(struct clk *clk) |
180 | { | |
181 | __raw_writel(__raw_readl(USBCKCR) & ~(1 << 8), USBCKCR); | |
182 | ||
183 | return 0; | |
184 | } | |
185 | ||
186 | static void usb24s_disable(struct clk *clk) | |
187 | { | |
188 | __raw_writel(__raw_readl(USBCKCR) | (1 << 8), USBCKCR); | |
189 | } | |
190 | ||
191 | static int usb24s_set_parent(struct clk *clk, struct clk *parent) | |
192 | { | |
193 | int i, ret; | |
194 | u32 val; | |
195 | ||
196 | if (!clk->parent_table || !clk->parent_num) | |
197 | return -EINVAL; | |
198 | ||
199 | /* Search the parent */ | |
200 | for (i = 0; i < clk->parent_num; i++) | |
201 | if (clk->parent_table[i] == parent) | |
202 | break; | |
203 | ||
204 | if (i == clk->parent_num) | |
205 | return -ENODEV; | |
206 | ||
207 | ret = clk_reparent(clk, parent); | |
208 | if (ret < 0) | |
209 | return ret; | |
210 | ||
211 | val = __raw_readl(USBCKCR); | |
212 | val &= ~(1 << 7); | |
213 | val |= i << 7; | |
214 | __raw_writel(val, USBCKCR); | |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
219 | static struct sh_clk_ops usb24s_clk_ops = { | |
c8241085 | 220 | .recalc = followparent_recalc, |
fcca3f0f KM |
221 | .enable = usb24s_enable, |
222 | .disable = usb24s_disable, | |
223 | .set_parent = usb24s_set_parent, | |
224 | }; | |
225 | ||
226 | static struct clk usb24s_clk = { | |
227 | .ops = &usb24s_clk_ops, | |
228 | .parent_table = usb24s_parents, | |
229 | .parent_num = ARRAY_SIZE(usb24s_parents), | |
230 | .parent = &system_clk, | |
231 | }; | |
232 | ||
233 | static unsigned long usb24_recalc(struct clk *clk) | |
234 | { | |
235 | return clk->parent->rate / | |
236 | ((__raw_readl(USBCKCR) & (1 << 6)) ? 1 : 2); | |
237 | }; | |
238 | ||
239 | static int usb24_set_rate(struct clk *clk, unsigned long rate) | |
240 | { | |
241 | u32 val; | |
242 | ||
243 | /* closer to which ? parent->rate or parent->rate/2 */ | |
244 | val = __raw_readl(USBCKCR); | |
245 | val &= ~(1 << 6); | |
246 | val |= (rate > (clk->parent->rate / 4) * 3) << 6; | |
247 | __raw_writel(val, USBCKCR); | |
248 | ||
249 | return 0; | |
250 | } | |
251 | ||
252 | static struct sh_clk_ops usb24_clk_ops = { | |
253 | .recalc = usb24_recalc, | |
254 | .set_rate = usb24_set_rate, | |
255 | }; | |
256 | ||
257 | static struct clk usb24_clk = { | |
258 | .ops = &usb24_clk_ops, | |
259 | .parent = &usb24s_clk, | |
260 | }; | |
261 | ||
69efac9a KM |
262 | /* External FSIACK/FSIBCK clock */ |
263 | static struct clk fsiack_clk = { | |
264 | }; | |
265 | ||
266 | static struct clk fsibck_clk = { | |
267 | }; | |
268 | ||
2482c589 | 269 | static struct clk *main_clks[] = { |
6c01ba44 KM |
270 | &extalr_clk, |
271 | &extal1_clk, | |
272 | &extal2_clk, | |
273 | &extal1_div2_clk, | |
274 | &extal1_div1024_clk, | |
275 | &extal1_div2048_clk, | |
276 | &extal2_div2_clk, | |
277 | &dv_clk, | |
278 | &system_clk, | |
279 | &system_div2_clk, | |
280 | &r_clk, | |
281 | &pllc0_clk, | |
282 | &pllc1_clk, | |
283 | &pllc1_div2_clk, | |
fcca3f0f KM |
284 | &usb24s_clk, |
285 | &usb24_clk, | |
69efac9a KM |
286 | &fsiack_clk, |
287 | &fsibck_clk, | |
6c01ba44 KM |
288 | }; |
289 | ||
5d14ff08 | 290 | /* DIV4 clocks */ |
6c01ba44 KM |
291 | static void div4_kick(struct clk *clk) |
292 | { | |
293 | unsigned long value; | |
294 | ||
295 | /* set KICK bit in FRQCRB to update hardware setting */ | |
296 | value = __raw_readl(FRQCRB); | |
297 | value |= (1 << 31); | |
298 | __raw_writel(value, FRQCRB); | |
299 | } | |
300 | ||
301 | static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18, | |
302 | 24, 32, 36, 48, 0, 72, 96, 0 }; | |
303 | ||
304 | static struct clk_div_mult_table div4_div_mult_table = { | |
305 | .divisors = divisors, | |
306 | .nr_divisors = ARRAY_SIZE(divisors), | |
307 | }; | |
308 | ||
309 | static struct clk_div4_table div4_table = { | |
310 | .div_mult_table = &div4_div_mult_table, | |
311 | .kick = div4_kick, | |
312 | }; | |
313 | ||
5d14ff08 KM |
314 | enum { |
315 | DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_HP, | |
316 | DIV4_HPP, DIV4_USBP, DIV4_S, DIV4_ZB, DIV4_M3, DIV4_CP, | |
317 | DIV4_NR | |
318 | }; | |
319 | ||
2482c589 | 320 | static struct clk div4_clks[DIV4_NR] = { |
5d14ff08 KM |
321 | [DIV4_I] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT), |
322 | [DIV4_ZG] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT), | |
323 | [DIV4_B] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT), | |
324 | [DIV4_M1] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT), | |
325 | [DIV4_HP] = SH_CLK_DIV4(&pllc1_clk, FRQCRB, 4, 0x6fff, 0), | |
326 | [DIV4_HPP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 20, 0x6fff, 0), | |
327 | [DIV4_USBP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 16, 0x6fff, 0), | |
328 | [DIV4_S] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 12, 0x6fff, 0), | |
329 | [DIV4_ZB] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 8, 0x6fff, 0), | |
330 | [DIV4_M3] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 4, 0x6fff, 0), | |
331 | [DIV4_CP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 0, 0x6fff, 0), | |
332 | }; | |
333 | ||
c6750acb KM |
334 | /* DIV6 reparent */ |
335 | enum { | |
336 | DIV6_HDMI, | |
ad9f1721 | 337 | DIV6_VCLK1, DIV6_VCLK2, |
69efac9a | 338 | DIV6_FSIA, DIV6_FSIB, |
c6750acb KM |
339 | DIV6_REPARENT_NR, |
340 | }; | |
341 | ||
342 | static struct clk *hdmi_parent[] = { | |
343 | [0] = &pllc1_div2_clk, | |
344 | [1] = &system_clk, | |
345 | [2] = &dv_clk | |
346 | }; | |
347 | ||
ad9f1721 KM |
348 | static struct clk *vclk_parents[8] = { |
349 | [0] = &pllc1_div2_clk, | |
350 | [2] = &dv_clk, | |
351 | [3] = &usb24s_clk, | |
352 | [4] = &extal1_div2_clk, | |
353 | [5] = &extalr_clk, | |
354 | }; | |
355 | ||
69efac9a KM |
356 | static struct clk *fsia_parents[] = { |
357 | [0] = &pllc1_div2_clk, | |
358 | [1] = &fsiack_clk, /* external clock */ | |
359 | }; | |
360 | ||
361 | static struct clk *fsib_parents[] = { | |
362 | [0] = &pllc1_div2_clk, | |
363 | [1] = &fsibck_clk, /* external clock */ | |
364 | }; | |
365 | ||
c6750acb KM |
366 | static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { |
367 | [DIV6_HDMI] = SH_CLK_DIV6_EXT(HDMICKCR, 0, | |
368 | hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2), | |
ad9f1721 KM |
369 | [DIV6_VCLK1] = SH_CLK_DIV6_EXT(VCLKCR1, 0, |
370 | vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3), | |
371 | [DIV6_VCLK2] = SH_CLK_DIV6_EXT(VCLKCR2, 0, | |
372 | vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3), | |
69efac9a KM |
373 | [DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0, |
374 | fsia_parents, ARRAY_SIZE(fsia_parents), 6, 2), | |
375 | [DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0, | |
376 | fsib_parents, ARRAY_SIZE(fsib_parents), 6, 2), | |
c6750acb KM |
377 | }; |
378 | ||
5d14ff08 KM |
379 | /* DIV6 clocks */ |
380 | enum { | |
381 | DIV6_SUB, | |
382 | DIV6_NR | |
383 | }; | |
384 | ||
385 | static struct clk div6_clks[DIV6_NR] = { | |
386 | [DIV6_SUB] = SH_CLK_DIV6(&pllc1_div2_clk, SUBCKCR, 0), | |
387 | }; | |
388 | ||
c6750acb KM |
389 | /* HDMI1/2 clock */ |
390 | static unsigned long hdmi12_recalc(struct clk *clk) | |
391 | { | |
392 | u32 val = __raw_readl(HDMICKCR); | |
393 | int shift = (int)clk->priv; | |
394 | ||
395 | val >>= shift; | |
396 | val &= 0x3; | |
397 | ||
398 | return clk->parent->rate / (1 << val); | |
399 | }; | |
400 | ||
401 | static int hdmi12_set_rate(struct clk *clk, unsigned long rate) | |
402 | { | |
403 | u32 val, mask; | |
404 | int i, shift; | |
405 | ||
406 | for (i = 0; i < 3; i++) | |
407 | if (rate == clk->parent->rate / (1 << i)) | |
408 | goto find; | |
409 | return -ENODEV; | |
410 | ||
411 | find: | |
412 | shift = (int)clk->priv; | |
413 | ||
414 | val = __raw_readl(HDMICKCR); | |
415 | mask = ~(0x3 << shift); | |
416 | val = (val & mask) | i << shift; | |
417 | __raw_writel(val, HDMICKCR); | |
418 | ||
419 | return 0; | |
420 | }; | |
421 | ||
422 | static struct sh_clk_ops hdmi12_clk_ops = { | |
423 | .recalc = hdmi12_recalc, | |
424 | .set_rate = hdmi12_set_rate, | |
425 | }; | |
426 | ||
427 | static struct clk hdmi1_clk = { | |
428 | .ops = &hdmi12_clk_ops, | |
429 | .priv = (void *)9, | |
430 | .parent = &div6_reparent_clks[DIV6_HDMI], /* late install */ | |
431 | }; | |
432 | ||
433 | static struct clk hdmi2_clk = { | |
434 | .ops = &hdmi12_clk_ops, | |
435 | .priv = (void *)11, | |
436 | .parent = &div6_reparent_clks[DIV6_HDMI], /* late install */ | |
437 | }; | |
438 | ||
439 | static struct clk *late_main_clks[] = { | |
440 | &hdmi1_clk, | |
441 | &hdmi2_clk, | |
442 | }; | |
443 | ||
7c4fd734 KM |
444 | /* FSI DIV */ |
445 | enum { FSIDIV_A, FSIDIV_B, FSIDIV_REPARENT_NR }; | |
446 | ||
447 | static struct clk fsidivs[] = { | |
448 | [FSIDIV_A] = SH_CLK_FSIDIV(FSIDIVA, &div6_reparent_clks[DIV6_FSIA]), | |
449 | [FSIDIV_B] = SH_CLK_FSIDIV(FSIDIVB, &div6_reparent_clks[DIV6_FSIB]), | |
450 | }; | |
451 | ||
c6750acb | 452 | /* MSTP */ |
6c01ba44 | 453 | enum { |
ad9f1721 | 454 | MSTP128, MSTP127, MSTP125, |
665ccfa0 | 455 | MSTP116, MSTP111, MSTP100, MSTP117, |
6c01ba44 KM |
456 | |
457 | MSTP230, | |
458 | MSTP222, | |
dbf382e5 | 459 | MSTP218, MSTP217, MSTP216, MSTP214, |
6c01ba44 KM |
460 | MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, |
461 | ||
fcca3f0f | 462 | MSTP329, MSTP328, MSTP323, MSTP320, |
f2c2d7e9 | 463 | MSTP314, MSTP313, MSTP312, |
9c18f238 | 464 | MSTP309, |
fcca3f0f | 465 | |
19ad322d | 466 | MSTP416, MSTP415, MSTP407, MSTP406, |
6c01ba44 KM |
467 | |
468 | MSTP_NR | |
469 | }; | |
470 | ||
471 | static struct clk mstp_clks[MSTP_NR] = { | |
ad9f1721 KM |
472 | [MSTP128] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 28, 0), /* CEU21 */ |
473 | [MSTP127] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 27, 0), /* CEU20 */ | |
6c01ba44 | 474 | [MSTP125] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */ |
665ccfa0 | 475 | [MSTP117] = SH_CLK_MSTP32(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */ |
6c01ba44 KM |
476 | [MSTP116] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */ |
477 | [MSTP111] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 11, 0), /* TMU1 */ | |
665ccfa0 | 478 | [MSTP100] = SH_CLK_MSTP32(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ |
6c01ba44 KM |
479 | |
480 | [MSTP230] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 30, 0), /* SCIFA6 */ | |
481 | [MSTP222] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 22, 0), /* SCIFA7 */ | |
643c3307 KM |
482 | [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */ |
483 | [MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */ | |
484 | [MSTP216] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */ | |
dbf382e5 | 485 | [MSTP214] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */ |
6c01ba44 KM |
486 | [MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ |
487 | [MSTP206] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ | |
488 | [MSTP204] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ | |
489 | [MSTP203] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */ | |
490 | [MSTP202] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */ | |
491 | [MSTP201] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */ | |
492 | [MSTP200] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */ | |
493 | ||
494 | [MSTP329] = SH_CLK_MSTP32(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ | |
7ee8948d | 495 | [MSTP328] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 28, 0), /* FSI */ |
6c01ba44 | 496 | [MSTP323] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */ |
fcca3f0f | 497 | [MSTP320] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 20, 0), /* USBF */ |
19ad322d KM |
498 | [MSTP314] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */ |
499 | [MSTP313] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */ | |
f2c2d7e9 | 500 | [MSTP312] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */ |
9c18f238 | 501 | [MSTP309] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 9, 0), /* GEther */ |
fcca3f0f KM |
502 | |
503 | [MSTP416] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 16, 0), /* USBHOST */ | |
19ad322d | 504 | [MSTP415] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */ |
fcca3f0f KM |
505 | [MSTP407] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 7, 0), /* USB-Func */ |
506 | [MSTP406] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 6, 0), /* USB Phy */ | |
6c01ba44 KM |
507 | }; |
508 | ||
509 | static struct clk_lookup lookups[] = { | |
510 | /* main clocks */ | |
511 | CLKDEV_CON_ID("extalr", &extalr_clk), | |
512 | CLKDEV_CON_ID("extal1", &extal1_clk), | |
513 | CLKDEV_CON_ID("extal2", &extal2_clk), | |
514 | CLKDEV_CON_ID("extal1_div2", &extal1_div2_clk), | |
515 | CLKDEV_CON_ID("extal1_div1024", &extal1_div1024_clk), | |
516 | CLKDEV_CON_ID("extal1_div2048", &extal1_div2048_clk), | |
517 | CLKDEV_CON_ID("extal2_div2", &extal2_div2_clk), | |
518 | CLKDEV_CON_ID("dv_clk", &dv_clk), | |
519 | CLKDEV_CON_ID("system_clk", &system_clk), | |
520 | CLKDEV_CON_ID("system_div2_clk", &system_div2_clk), | |
521 | CLKDEV_CON_ID("r_clk", &r_clk), | |
522 | CLKDEV_CON_ID("pllc0_clk", &pllc0_clk), | |
523 | CLKDEV_CON_ID("pllc1_clk", &pllc1_clk), | |
524 | CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk), | |
fcca3f0f | 525 | CLKDEV_CON_ID("usb24s", &usb24s_clk), |
c6750acb KM |
526 | CLKDEV_CON_ID("hdmi1", &hdmi1_clk), |
527 | CLKDEV_CON_ID("hdmi2", &hdmi2_clk), | |
ad9f1721 KM |
528 | CLKDEV_CON_ID("video1", &div6_reparent_clks[DIV6_VCLK1]), |
529 | CLKDEV_CON_ID("video2", &div6_reparent_clks[DIV6_VCLK2]), | |
69efac9a KM |
530 | CLKDEV_CON_ID("fsiack", &fsiack_clk), |
531 | CLKDEV_CON_ID("fsibck", &fsibck_clk), | |
6c01ba44 KM |
532 | |
533 | /* DIV4 clocks */ | |
534 | CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]), | |
535 | CLKDEV_CON_ID("zg_clk", &div4_clks[DIV4_ZG]), | |
536 | CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]), | |
537 | CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]), | |
538 | CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]), | |
539 | CLKDEV_CON_ID("hpp_clk", &div4_clks[DIV4_HPP]), | |
540 | CLKDEV_CON_ID("s_clk", &div4_clks[DIV4_S]), | |
541 | CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]), | |
542 | CLKDEV_CON_ID("m3_clk", &div4_clks[DIV4_M3]), | |
543 | CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]), | |
544 | ||
545 | /* DIV6 clocks */ | |
546 | CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]), | |
547 | ||
548 | /* MSTP32 clocks */ | |
665ccfa0 | 549 | CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), |
e67d7afc KM |
550 | CLKDEV_DEV_ID("sh_tmu.3", &mstp_clks[MSTP111]), |
551 | CLKDEV_DEV_ID("sh_tmu.4", &mstp_clks[MSTP111]), | |
552 | CLKDEV_DEV_ID("sh_tmu.5", &mstp_clks[MSTP111]), | |
6c01ba44 | 553 | CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), |
665ccfa0 | 554 | CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), |
6c01ba44 | 555 | CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), |
e67d7afc KM |
556 | CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), |
557 | CLKDEV_DEV_ID("sh_tmu.2", &mstp_clks[MSTP125]), | |
ad9f1721 KM |
558 | CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]), |
559 | CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[MSTP128]), | |
6c01ba44 KM |
560 | |
561 | CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), | |
386e9464 | 562 | CLKDEV_DEV_ID("e6c80000.sci", &mstp_clks[MSTP200]), |
6c01ba44 | 563 | CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), |
386e9464 | 564 | CLKDEV_DEV_ID("e6c70000.sci", &mstp_clks[MSTP201]), |
6c01ba44 | 565 | CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), |
386e9464 | 566 | CLKDEV_DEV_ID("e6c60000.sci", &mstp_clks[MSTP202]), |
6c01ba44 | 567 | CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), |
386e9464 | 568 | CLKDEV_DEV_ID("e6c50000.sci", &mstp_clks[MSTP203]), |
6c01ba44 | 569 | CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), |
386e9464 | 570 | CLKDEV_DEV_ID("e6c40000.sci", &mstp_clks[MSTP204]), |
6c01ba44 | 571 | CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), |
386e9464 | 572 | CLKDEV_DEV_ID("e6c30000.sci", &mstp_clks[MSTP206]), |
6c01ba44 | 573 | CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), |
386e9464 | 574 | CLKDEV_DEV_ID("e6cb0000.sci", &mstp_clks[MSTP207]), |
dbf382e5 | 575 | CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]), |
643c3307 KM |
576 | CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), |
577 | CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), | |
578 | CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), | |
6c01ba44 | 579 | CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP222]), |
386e9464 | 580 | CLKDEV_DEV_ID("e6cd0000.sci", &mstp_clks[MSTP222]), |
6c01ba44 | 581 | CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP230]), |
386e9464 | 582 | CLKDEV_DEV_ID("e6cc0000.sci", &mstp_clks[MSTP230]), |
6c01ba44 KM |
583 | |
584 | CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), | |
7ee8948d | 585 | CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), |
6c01ba44 | 586 | CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), |
fcca3f0f | 587 | CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP320]), |
19ad322d | 588 | CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), |
df2ddd7b | 589 | CLKDEV_DEV_ID("e6850000.sdhi", &mstp_clks[MSTP314]), |
19ad322d | 590 | CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), |
df2ddd7b | 591 | CLKDEV_DEV_ID("e6860000.sdhi", &mstp_clks[MSTP313]), |
f2c2d7e9 | 592 | CLKDEV_DEV_ID("sh_mmcif", &mstp_clks[MSTP312]), |
df2ddd7b | 593 | CLKDEV_DEV_ID("e6bd0000.mmcif", &mstp_clks[MSTP312]), |
9c18f238 | 594 | CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP309]), |
19ad322d KM |
595 | |
596 | CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), | |
df2ddd7b | 597 | CLKDEV_DEV_ID("e6870000.sdhi", &mstp_clks[MSTP415]), |
fcca3f0f KM |
598 | |
599 | /* ICK */ | |
600 | CLKDEV_ICK_ID("host", "renesas_usbhs", &mstp_clks[MSTP416]), | |
601 | CLKDEV_ICK_ID("func", "renesas_usbhs", &mstp_clks[MSTP407]), | |
602 | CLKDEV_ICK_ID("phy", "renesas_usbhs", &mstp_clks[MSTP406]), | |
603 | CLKDEV_ICK_ID("pci", "renesas_usbhs", &div4_clks[DIV4_USBP]), | |
604 | CLKDEV_ICK_ID("usb24", "renesas_usbhs", &usb24_clk), | |
c6750acb | 605 | CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]), |
69efac9a KM |
606 | |
607 | CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]), | |
608 | CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]), | |
7c4fd734 KM |
609 | CLKDEV_ICK_ID("diva", "sh_fsi2", &fsidivs[FSIDIV_A]), |
610 | CLKDEV_ICK_ID("divb", "sh_fsi2", &fsidivs[FSIDIV_B]), | |
8b0eadd2 KM |
611 | CLKDEV_ICK_ID("xcka", "sh_fsi2", &fsiack_clk), |
612 | CLKDEV_ICK_ID("xckb", "sh_fsi2", &fsibck_clk), | |
6c01ba44 KM |
613 | }; |
614 | ||
615 | void __init r8a7740_clock_init(u8 md_ck) | |
616 | { | |
617 | int k, ret = 0; | |
618 | ||
619 | /* detect system clock parent */ | |
620 | if (md_ck & MD_CK1) | |
621 | system_clk.parent = &extal1_div2_clk; | |
622 | else | |
623 | system_clk.parent = &extal1_clk; | |
624 | ||
625 | /* detect RCLK parent */ | |
626 | switch (md_ck & (MD_CK2 | MD_CK1)) { | |
627 | case MD_CK2 | MD_CK1: | |
628 | r_clk.parent = &extal1_div2048_clk; | |
629 | break; | |
630 | case MD_CK2: | |
631 | r_clk.parent = &extal1_div1024_clk; | |
632 | break; | |
633 | case MD_CK1: | |
634 | default: | |
635 | r_clk.parent = &extalr_clk; | |
636 | break; | |
637 | } | |
638 | ||
639 | for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) | |
640 | ret = clk_register(main_clks[k]); | |
641 | ||
642 | if (!ret) | |
643 | ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); | |
644 | ||
645 | if (!ret) | |
646 | ret = sh_clk_div6_register(div6_clks, DIV6_NR); | |
647 | ||
c6750acb KM |
648 | if (!ret) |
649 | ret = sh_clk_div6_reparent_register(div6_reparent_clks, | |
650 | DIV6_REPARENT_NR); | |
651 | ||
6c01ba44 | 652 | if (!ret) |
64e9de2f | 653 | ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); |
6c01ba44 | 654 | |
c6750acb KM |
655 | for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) |
656 | ret = clk_register(late_main_clks[k]); | |
657 | ||
7c4fd734 KM |
658 | if (!ret) |
659 | ret = sh_clk_fsidiv_register(fsidivs, FSIDIV_REPARENT_NR); | |
660 | ||
6c01ba44 KM |
661 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); |
662 | ||
663 | if (!ret) | |
6b6a4c06 | 664 | shmobile_clk_init(); |
6c01ba44 KM |
665 | else |
666 | panic("failed to setup r8a7740 clocks\n"); | |
667 | } |