2 * sh73a0 clock framework support
4 * Copyright (C) 2010 Magnus Damm
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
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.
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
19 #include <linux/init.h>
20 #include <linux/kernel.h>
22 #include <linux/sh_clk.h>
23 #include <linux/clkdev.h>
24 #include <asm/processor.h>
25 #include <mach/clock.h>
26 #include <mach/common.h>
28 #define FRQCRA IOMEM(0xe6150000)
29 #define FRQCRB IOMEM(0xe6150004)
30 #define FRQCRD IOMEM(0xe61500e4)
31 #define VCLKCR1 IOMEM(0xe6150008)
32 #define VCLKCR2 IOMEM(0xe615000C)
33 #define VCLKCR3 IOMEM(0xe615001C)
34 #define ZBCKCR IOMEM(0xe6150010)
35 #define FLCKCR IOMEM(0xe6150014)
36 #define SD0CKCR IOMEM(0xe6150074)
37 #define SD1CKCR IOMEM(0xe6150078)
38 #define SD2CKCR IOMEM(0xe615007C)
39 #define FSIACKCR IOMEM(0xe6150018)
40 #define FSIBCKCR IOMEM(0xe6150090)
41 #define SUBCKCR IOMEM(0xe6150080)
42 #define SPUACKCR IOMEM(0xe6150084)
43 #define SPUVCKCR IOMEM(0xe6150094)
44 #define MSUCKCR IOMEM(0xe6150088)
45 #define HSICKCR IOMEM(0xe615008C)
46 #define MFCK1CR IOMEM(0xe6150098)
47 #define MFCK2CR IOMEM(0xe615009C)
48 #define DSITCKCR IOMEM(0xe6150060)
49 #define DSI0PCKCR IOMEM(0xe6150064)
50 #define DSI1PCKCR IOMEM(0xe6150068)
51 #define DSI0PHYCR 0xe615006C
52 #define DSI1PHYCR 0xe6150070
53 #define PLLECR IOMEM(0xe61500d0)
54 #define PLL0CR IOMEM(0xe61500d8)
55 #define PLL1CR IOMEM(0xe6150028)
56 #define PLL2CR IOMEM(0xe615002c)
57 #define PLL3CR IOMEM(0xe61500dc)
58 #define SMSTPCR0 IOMEM(0xe6150130)
59 #define SMSTPCR1 IOMEM(0xe6150134)
60 #define SMSTPCR2 IOMEM(0xe6150138)
61 #define SMSTPCR3 IOMEM(0xe615013c)
62 #define SMSTPCR4 IOMEM(0xe6150140)
63 #define SMSTPCR5 IOMEM(0xe6150144)
64 #define CKSCR IOMEM(0xe61500c0)
66 /* Fixed 32 KHz root clock from EXTALR pin */
67 static struct clk r_clk
= {
72 * 26MHz default rate for the EXTAL1 root input clock.
73 * If needed, reset this with clk_set_rate() from the platform code.
75 struct clk sh73a0_extal1_clk
= {
80 * 48MHz default rate for the EXTAL2 root input clock.
81 * If needed, reset this with clk_set_rate() from the platform code.
83 struct clk sh73a0_extal2_clk
= {
87 static struct sh_clk_ops main_clk_ops
= {
88 .recalc
= followparent_recalc
,
92 static struct clk main_clk
= {
93 /* .parent wll be set on sh73a0_clock_init() */
97 /* PLL0, PLL1, PLL2, PLL3 */
98 static unsigned long pll_recalc(struct clk
*clk
)
100 unsigned long mult
= 1;
102 if (__raw_readl(PLLECR
) & (1 << clk
->enable_bit
)) {
103 mult
= (((__raw_readl(clk
->enable_reg
) >> 24) & 0x3f) + 1);
104 /* handle CFG bit for PLL1 and PLL2 */
105 switch (clk
->enable_bit
) {
108 if (__raw_readl(clk
->enable_reg
) & (1 << 20))
113 return clk
->parent
->rate
* mult
;
116 static struct sh_clk_ops pll_clk_ops
= {
117 .recalc
= pll_recalc
,
120 static struct clk pll0_clk
= {
122 .flags
= CLK_ENABLE_ON_INIT
,
124 .enable_reg
= (void __iomem
*)PLL0CR
,
128 static struct clk pll1_clk
= {
130 .flags
= CLK_ENABLE_ON_INIT
,
132 .enable_reg
= (void __iomem
*)PLL1CR
,
136 static struct clk pll2_clk
= {
138 .flags
= CLK_ENABLE_ON_INIT
,
140 .enable_reg
= (void __iomem
*)PLL2CR
,
144 static struct clk pll3_clk
= {
146 .flags
= CLK_ENABLE_ON_INIT
,
148 .enable_reg
= (void __iomem
*)PLL3CR
,
152 /* A fixed divide block */
153 SH_CLK_RATIO(div2
, 1, 2);
154 SH_CLK_RATIO(div7
, 1, 7);
155 SH_CLK_RATIO(div13
, 1, 13);
157 SH_FIXED_RATIO_CLK(extal1_div2_clk
, sh73a0_extal1_clk
, div2
);
158 SH_FIXED_RATIO_CLK(extal2_div2_clk
, sh73a0_extal2_clk
, div2
);
159 SH_FIXED_RATIO_CLK(main_div2_clk
, main_clk
, div2
);
160 SH_FIXED_RATIO_CLK(pll1_div2_clk
, pll1_clk
, div2
);
161 SH_FIXED_RATIO_CLK(pll1_div7_clk
, pll1_clk
, div7
);
162 SH_FIXED_RATIO_CLK(pll1_div13_clk
, pll1_clk
, div13
);
164 /* External input clock */
165 struct clk sh73a0_extcki_clk
= {
168 struct clk sh73a0_extalr_clk
= {
171 static struct clk
*main_clks
[] = {
190 static int frqcr_kick(void)
194 /* set KICK bit in FRQCRB to update hardware setting, check success */
195 __raw_writel(__raw_readl(FRQCRB
) | (1 << 31), FRQCRB
);
196 for (i
= 1000; i
; i
--)
197 if (__raw_readl(FRQCRB
) & (1 << 31))
205 static void div4_kick(struct clk
*clk
)
210 static int divisors
[] = { 2, 3, 4, 6, 8, 12, 16, 18,
213 static struct clk_div_mult_table div4_div_mult_table
= {
214 .divisors
= divisors
,
215 .nr_divisors
= ARRAY_SIZE(divisors
),
218 static struct clk_div4_table div4_table
= {
219 .div_mult_table
= &div4_div_mult_table
,
223 enum { DIV4_I
, DIV4_ZG
, DIV4_M3
, DIV4_B
, DIV4_M1
, DIV4_M2
,
224 DIV4_Z
, DIV4_ZX
, DIV4_HP
, DIV4_NR
};
226 #define DIV4(_reg, _bit, _mask, _flags) \
227 SH_CLK_DIV4(&pll1_clk, _reg, _bit, _mask, _flags)
229 static struct clk div4_clks
[DIV4_NR
] = {
230 [DIV4_I
] = DIV4(FRQCRA
, 20, 0xdff, CLK_ENABLE_ON_INIT
),
232 * ZG clock is dividing PLL0 frequency to supply SGX. Make sure not to
233 * exceed maximum frequencies of 201.5MHz for VDD_DVFS=1.175 and
234 * 239.2MHz for VDD_DVFS=1.315V.
236 [DIV4_ZG
] = SH_CLK_DIV4(&pll0_clk
, FRQCRA
, 16, 0xd7f, CLK_ENABLE_ON_INIT
),
237 [DIV4_M3
] = DIV4(FRQCRA
, 12, 0x1dff, CLK_ENABLE_ON_INIT
),
238 [DIV4_B
] = DIV4(FRQCRA
, 8, 0xdff, CLK_ENABLE_ON_INIT
),
239 [DIV4_M1
] = DIV4(FRQCRA
, 4, 0x1dff, 0),
240 [DIV4_M2
] = DIV4(FRQCRA
, 0, 0x1dff, 0),
241 [DIV4_Z
] = SH_CLK_DIV4(&pll0_clk
, FRQCRB
, 24, 0x97f, 0),
242 [DIV4_ZX
] = DIV4(FRQCRB
, 12, 0xdff, 0),
243 [DIV4_HP
] = DIV4(FRQCRB
, 4, 0xdff, 0),
246 static unsigned long twd_recalc(struct clk
*clk
)
248 return clk_get_rate(clk
->parent
) / 4;
251 static struct sh_clk_ops twd_clk_ops
= {
252 .recalc
= twd_recalc
,
255 static struct clk twd_clk
= {
256 .parent
= &div4_clks
[DIV4_Z
],
260 static struct sh_clk_ops zclk_ops
, kicker_ops
;
261 static const struct sh_clk_ops
*div4_clk_ops
;
263 static int zclk_set_rate(struct clk
*clk
, unsigned long rate
)
267 if (!clk
->parent
|| !__clk_get(clk
->parent
))
270 if (readl(FRQCRB
) & (1 << 31))
273 if (rate
== clk_get_rate(clk
->parent
)) {
274 /* 1:1 - switch off divider */
275 __raw_writel(__raw_readl(FRQCRB
) & ~(1 << 28), FRQCRB
);
276 /* nullify the divider to prepare for the next time */
277 ret
= div4_clk_ops
->set_rate(clk
, rate
/ 2);
283 /* Enable the divider */
284 __raw_writel(__raw_readl(FRQCRB
) | (1 << 28), FRQCRB
);
289 * set the divider - call the DIV4 method, it will kick
292 ret
= div4_clk_ops
->set_rate(clk
, rate
);
298 __clk_put(clk
->parent
);
302 static long zclk_round_rate(struct clk
*clk
, unsigned long rate
)
304 unsigned long div_freq
= div4_clk_ops
->round_rate(clk
, rate
),
305 parent_freq
= clk_get_rate(clk
->parent
);
307 if (rate
> div_freq
&& abs(parent_freq
- rate
) < rate
- div_freq
)
313 static unsigned long zclk_recalc(struct clk
*clk
)
316 * Must recalculate frequencies in case PLL0 has been changed, even if
317 * the divisor is unused ATM!
319 unsigned long div_freq
= div4_clk_ops
->recalc(clk
);
321 if (__raw_readl(FRQCRB
) & (1 << 28))
324 return clk_get_rate(clk
->parent
);
327 static int kicker_set_rate(struct clk
*clk
, unsigned long rate
)
329 if (__raw_readl(FRQCRB
) & (1 << 31))
332 return div4_clk_ops
->set_rate(clk
, rate
);
335 static void div4_clk_extend(void)
339 div4_clk_ops
= div4_clks
[0].ops
;
341 /* Add a kicker-busy check before changing the rate */
342 kicker_ops
= *div4_clk_ops
;
343 /* We extend the DIV4 clock with a 1:1 pass-through case */
344 zclk_ops
= *div4_clk_ops
;
346 kicker_ops
.set_rate
= kicker_set_rate
;
347 zclk_ops
.set_rate
= zclk_set_rate
;
348 zclk_ops
.round_rate
= zclk_round_rate
;
349 zclk_ops
.recalc
= zclk_recalc
;
351 for (i
= 0; i
< DIV4_NR
; i
++)
352 div4_clks
[i
].ops
= i
== DIV4_Z
? &zclk_ops
: &kicker_ops
;
355 enum { DIV6_VCK1
, DIV6_VCK2
, DIV6_VCK3
, DIV6_ZB1
,
356 DIV6_FLCTL
, DIV6_SDHI0
, DIV6_SDHI1
, DIV6_SDHI2
,
357 DIV6_FSIA
, DIV6_FSIB
, DIV6_SUB
,
358 DIV6_SPUA
, DIV6_SPUV
, DIV6_MSU
,
359 DIV6_HSI
, DIV6_MFG1
, DIV6_MFG2
,
360 DIV6_DSIT
, DIV6_DSI0P
, DIV6_DSI1P
,
363 static struct clk
*vck_parent
[8] = {
364 [0] = &pll1_div2_clk
,
366 [2] = &sh73a0_extcki_clk
,
367 [3] = &sh73a0_extal2_clk
,
368 [4] = &main_div2_clk
,
369 [5] = &sh73a0_extalr_clk
,
373 static struct clk
*pll_parent
[4] = {
374 [0] = &pll1_div2_clk
,
376 [2] = &pll1_div13_clk
,
379 static struct clk
*hsi_parent
[4] = {
380 [0] = &pll1_div2_clk
,
382 [2] = &pll1_div7_clk
,
385 static struct clk
*pll_extal2_parent
[] = {
386 [0] = &pll1_div2_clk
,
388 [2] = &sh73a0_extal2_clk
,
389 [3] = &sh73a0_extal2_clk
,
392 static struct clk
*dsi_parent
[8] = {
393 [0] = &pll1_div2_clk
,
396 [3] = &sh73a0_extal2_clk
,
397 [4] = &sh73a0_extcki_clk
,
400 static struct clk div6_clks
[DIV6_NR
] = {
401 [DIV6_VCK1
] = SH_CLK_DIV6_EXT(VCLKCR1
, 0,
402 vck_parent
, ARRAY_SIZE(vck_parent
), 12, 3),
403 [DIV6_VCK2
] = SH_CLK_DIV6_EXT(VCLKCR2
, 0,
404 vck_parent
, ARRAY_SIZE(vck_parent
), 12, 3),
405 [DIV6_VCK3
] = SH_CLK_DIV6_EXT(VCLKCR3
, 0,
406 vck_parent
, ARRAY_SIZE(vck_parent
), 12, 3),
407 [DIV6_ZB1
] = SH_CLK_DIV6_EXT(ZBCKCR
, CLK_ENABLE_ON_INIT
,
408 pll_parent
, ARRAY_SIZE(pll_parent
), 7, 1),
409 [DIV6_FLCTL
] = SH_CLK_DIV6_EXT(FLCKCR
, 0,
410 pll_parent
, ARRAY_SIZE(pll_parent
), 7, 1),
411 [DIV6_SDHI0
] = SH_CLK_DIV6_EXT(SD0CKCR
, 0,
412 pll_parent
, ARRAY_SIZE(pll_parent
), 6, 2),
413 [DIV6_SDHI1
] = SH_CLK_DIV6_EXT(SD1CKCR
, 0,
414 pll_parent
, ARRAY_SIZE(pll_parent
), 6, 2),
415 [DIV6_SDHI2
] = SH_CLK_DIV6_EXT(SD2CKCR
, 0,
416 pll_parent
, ARRAY_SIZE(pll_parent
), 6, 2),
417 [DIV6_FSIA
] = SH_CLK_DIV6_EXT(FSIACKCR
, 0,
418 pll_parent
, ARRAY_SIZE(pll_parent
), 6, 1),
419 [DIV6_FSIB
] = SH_CLK_DIV6_EXT(FSIBCKCR
, 0,
420 pll_parent
, ARRAY_SIZE(pll_parent
), 6, 1),
421 [DIV6_SUB
] = SH_CLK_DIV6_EXT(SUBCKCR
, 0,
422 pll_extal2_parent
, ARRAY_SIZE(pll_extal2_parent
), 6, 2),
423 [DIV6_SPUA
] = SH_CLK_DIV6_EXT(SPUACKCR
, 0,
424 pll_extal2_parent
, ARRAY_SIZE(pll_extal2_parent
), 6, 2),
425 [DIV6_SPUV
] = SH_CLK_DIV6_EXT(SPUVCKCR
, 0,
426 pll_extal2_parent
, ARRAY_SIZE(pll_extal2_parent
), 6, 2),
427 [DIV6_MSU
] = SH_CLK_DIV6_EXT(MSUCKCR
, 0,
428 pll_parent
, ARRAY_SIZE(pll_parent
), 7, 1),
429 [DIV6_HSI
] = SH_CLK_DIV6_EXT(HSICKCR
, 0,
430 hsi_parent
, ARRAY_SIZE(hsi_parent
), 6, 2),
431 [DIV6_MFG1
] = SH_CLK_DIV6_EXT(MFCK1CR
, 0,
432 pll_parent
, ARRAY_SIZE(pll_parent
), 7, 1),
433 [DIV6_MFG2
] = SH_CLK_DIV6_EXT(MFCK2CR
, 0,
434 pll_parent
, ARRAY_SIZE(pll_parent
), 7, 1),
435 [DIV6_DSIT
] = SH_CLK_DIV6_EXT(DSITCKCR
, 0,
436 pll_parent
, ARRAY_SIZE(pll_parent
), 7, 1),
437 [DIV6_DSI0P
] = SH_CLK_DIV6_EXT(DSI0PCKCR
, 0,
438 dsi_parent
, ARRAY_SIZE(dsi_parent
), 12, 3),
439 [DIV6_DSI1P
] = SH_CLK_DIV6_EXT(DSI1PCKCR
, 0,
440 dsi_parent
, ARRAY_SIZE(dsi_parent
), 12, 3),
444 static unsigned long dsiphy_recalc(struct clk
*clk
)
448 value
= __raw_readl(clk
->mapping
->base
);
451 if (!(value
& 0x000B8000))
452 return clk
->parent
->rate
;
459 pr_err("DSIPHY has wrong value (%d)", value
);
463 return clk
->parent
->rate
/ value
;
466 static long dsiphy_round_rate(struct clk
*clk
, unsigned long rate
)
468 return clk_rate_mult_range_round(clk
, 12, 33, rate
);
471 static void dsiphy_disable(struct clk
*clk
)
475 value
= __raw_readl(clk
->mapping
->base
);
476 value
&= ~0x000B8000;
478 __raw_writel(value
, clk
->mapping
->base
);
481 static int dsiphy_enable(struct clk
*clk
)
486 value
= __raw_readl(clk
->mapping
->base
);
487 multi
= (value
& 0x3f) + 1;
489 if ((multi
< 12) || (multi
> 33))
492 __raw_writel(value
| 0x000B8000, clk
->mapping
->base
);
497 static int dsiphy_set_rate(struct clk
*clk
, unsigned long rate
)
502 idx
= rate
/ clk
->parent
->rate
;
503 if ((idx
< 12) || (idx
> 33))
508 value
= __raw_readl(clk
->mapping
->base
);
509 value
= (value
& ~0x3f) + idx
;
511 __raw_writel(value
, clk
->mapping
->base
);
516 static struct sh_clk_ops dsiphy_clk_ops
= {
517 .recalc
= dsiphy_recalc
,
518 .round_rate
= dsiphy_round_rate
,
519 .set_rate
= dsiphy_set_rate
,
520 .enable
= dsiphy_enable
,
521 .disable
= dsiphy_disable
,
524 static struct clk_mapping dsi0phy_clk_mapping
= {
529 static struct clk_mapping dsi1phy_clk_mapping
= {
534 static struct clk dsi0phy_clk
= {
535 .ops
= &dsiphy_clk_ops
,
536 .parent
= &div6_clks
[DIV6_DSI0P
], /* late install */
537 .mapping
= &dsi0phy_clk_mapping
,
540 static struct clk dsi1phy_clk
= {
541 .ops
= &dsiphy_clk_ops
,
542 .parent
= &div6_clks
[DIV6_DSI1P
], /* late install */
543 .mapping
= &dsi1phy_clk_mapping
,
546 static struct clk
*late_main_clks
[] = {
553 MSTP129
, MSTP128
, MSTP127
, MSTP126
, MSTP125
, MSTP118
, MSTP116
, MSTP112
, MSTP100
,
554 MSTP219
, MSTP218
, MSTP217
,
555 MSTP207
, MSTP206
, MSTP204
, MSTP203
, MSTP202
, MSTP201
, MSTP200
,
556 MSTP331
, MSTP329
, MSTP328
, MSTP325
, MSTP323
, MSTP322
,
557 MSTP314
, MSTP313
, MSTP312
, MSTP311
,
558 MSTP304
, MSTP303
, MSTP302
, MSTP301
, MSTP300
,
559 MSTP411
, MSTP410
, MSTP403
,
562 #define MSTP(_parent, _reg, _bit, _flags) \
563 SH_CLK_MSTP32(_parent, _reg, _bit, _flags)
565 static struct clk mstp_clks
[MSTP_NR
] = {
566 [MSTP001
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR0
, 1, 0), /* IIC2 */
567 [MSTP129
] = MSTP(&div4_clks
[DIV4_B
], SMSTPCR1
, 29, 0), /* CEU1 */
568 [MSTP128
] = MSTP(&div4_clks
[DIV4_B
], SMSTPCR1
, 28, 0), /* CSI2-RX1 */
569 [MSTP127
] = MSTP(&div4_clks
[DIV4_B
], SMSTPCR1
, 27, 0), /* CEU0 */
570 [MSTP126
] = MSTP(&div4_clks
[DIV4_B
], SMSTPCR1
, 26, 0), /* CSI2-RX0 */
571 [MSTP125
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR1
, 25, 0), /* TMU0 */
572 [MSTP118
] = MSTP(&div4_clks
[DIV4_B
], SMSTPCR1
, 18, 0), /* DSITX0 */
573 [MSTP116
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR1
, 16, 0), /* IIC0 */
574 [MSTP112
] = MSTP(&div4_clks
[DIV4_ZG
], SMSTPCR1
, 12, 0), /* SGX */
575 [MSTP100
] = MSTP(&div4_clks
[DIV4_B
], SMSTPCR1
, 0, 0), /* LCDC0 */
576 [MSTP219
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR2
, 19, 0), /* SCIFA7 */
577 [MSTP218
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR2
, 18, 0), /* SY-DMAC */
578 [MSTP217
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR2
, 17, 0), /* MP-DMAC */
579 [MSTP207
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR2
, 7, 0), /* SCIFA5 */
580 [MSTP206
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR2
, 6, 0), /* SCIFB */
581 [MSTP204
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR2
, 4, 0), /* SCIFA0 */
582 [MSTP203
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR2
, 3, 0), /* SCIFA1 */
583 [MSTP202
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR2
, 2, 0), /* SCIFA2 */
584 [MSTP201
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR2
, 1, 0), /* SCIFA3 */
585 [MSTP200
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR2
, 0, 0), /* SCIFA4 */
586 [MSTP331
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR3
, 31, 0), /* SCIFA6 */
587 [MSTP329
] = MSTP(&r_clk
, SMSTPCR3
, 29, 0), /* CMT10 */
588 [MSTP328
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR3
, 28, 0), /*FSI*/
589 [MSTP325
] = MSTP(&div6_clks
[DIV6_SUB
], SMSTPCR3
, 25, 0), /* IrDA */
590 [MSTP323
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR3
, 23, 0), /* IIC1 */
591 [MSTP322
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR3
, 22, 0), /* USB */
592 [MSTP314
] = MSTP(&div6_clks
[DIV6_SDHI0
], SMSTPCR3
, 14, 0), /* SDHI0 */
593 [MSTP313
] = MSTP(&div6_clks
[DIV6_SDHI1
], SMSTPCR3
, 13, 0), /* SDHI1 */
594 [MSTP312
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR3
, 12, 0), /* MMCIF0 */
595 [MSTP311
] = MSTP(&div6_clks
[DIV6_SDHI2
], SMSTPCR3
, 11, 0), /* SDHI2 */
596 [MSTP304
] = MSTP(&main_div2_clk
, SMSTPCR3
, 4, 0), /* TPU0 */
597 [MSTP303
] = MSTP(&main_div2_clk
, SMSTPCR3
, 3, 0), /* TPU1 */
598 [MSTP302
] = MSTP(&main_div2_clk
, SMSTPCR3
, 2, 0), /* TPU2 */
599 [MSTP301
] = MSTP(&main_div2_clk
, SMSTPCR3
, 1, 0), /* TPU3 */
600 [MSTP300
] = MSTP(&main_div2_clk
, SMSTPCR3
, 0, 0), /* TPU4 */
601 [MSTP411
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR4
, 11, 0), /* IIC3 */
602 [MSTP410
] = MSTP(&div4_clks
[DIV4_HP
], SMSTPCR4
, 10, 0), /* IIC4 */
603 [MSTP403
] = MSTP(&r_clk
, SMSTPCR4
, 3, 0), /* KEYSC */
606 /* The lookups structure below includes duplicate entries for some clocks
607 * with alternate names.
608 * - The traditional name used when a device is initialised with platform data
609 * - The name used when a device is initialised using device tree
610 * The longer-term aim is to remove these duplicates, and indeed the
611 * lookups table entirely, by describing clocks using device tree.
613 static struct clk_lookup lookups
[] = {
615 CLKDEV_CON_ID("r_clk", &r_clk
),
616 CLKDEV_DEV_ID("smp_twd", &twd_clk
), /* smp_twd */
619 CLKDEV_DEV_ID("cpu0", &div4_clks
[DIV4_Z
]),
622 CLKDEV_CON_ID("vck1_clk", &div6_clks
[DIV6_VCK1
]),
623 CLKDEV_CON_ID("vck2_clk", &div6_clks
[DIV6_VCK2
]),
624 CLKDEV_CON_ID("vck3_clk", &div6_clks
[DIV6_VCK3
]),
625 CLKDEV_CON_ID("sdhi0_clk", &div6_clks
[DIV6_SDHI0
]),
626 CLKDEV_CON_ID("sdhi1_clk", &div6_clks
[DIV6_SDHI1
]),
627 CLKDEV_CON_ID("sdhi2_clk", &div6_clks
[DIV6_SDHI2
]),
628 CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks
[DIV6_DSIT
]),
629 CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks
[DIV6_DSIT
]),
630 CLKDEV_ICK_ID("dsip_clk", "sh-mipi-dsi.0", &div6_clks
[DIV6_DSI0P
]),
631 CLKDEV_ICK_ID("dsip_clk", "sh-mipi-dsi.1", &div6_clks
[DIV6_DSI1P
]),
632 CLKDEV_ICK_ID("dsiphy_clk", "sh-mipi-dsi.0", &dsi0phy_clk
),
633 CLKDEV_ICK_ID("dsiphy_clk", "sh-mipi-dsi.1", &dsi1phy_clk
),
636 CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks
[MSTP001
]), /* I2C2 */
637 CLKDEV_DEV_ID("e6824000.i2c", &mstp_clks
[MSTP001
]), /* I2C2 */
638 CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks
[MSTP129
]), /* CEU1 */
639 CLKDEV_DEV_ID("sh-mobile-csi2.1", &mstp_clks
[MSTP128
]), /* CSI2-RX1 */
640 CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks
[MSTP127
]), /* CEU0 */
641 CLKDEV_DEV_ID("sh-mobile-csi2.0", &mstp_clks
[MSTP126
]), /* CSI2-RX0 */
642 CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks
[MSTP125
]), /* TMU00 */
643 CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks
[MSTP125
]), /* TMU01 */
644 CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks
[MSTP118
]), /* DSITX */
645 CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks
[MSTP116
]), /* I2C0 */
646 CLKDEV_DEV_ID("e6820000.i2c", &mstp_clks
[MSTP116
]), /* I2C0 */
647 CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks
[MSTP100
]), /* LCDC0 */
648 CLKDEV_DEV_ID("sh-sci.7", &mstp_clks
[MSTP219
]), /* SCIFA7 */
649 CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks
[MSTP218
]), /* SY-DMAC */
650 CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks
[MSTP217
]), /* MP-DMAC */
651 CLKDEV_DEV_ID("sh-sci.5", &mstp_clks
[MSTP207
]), /* SCIFA5 */
652 CLKDEV_DEV_ID("sh-sci.8", &mstp_clks
[MSTP206
]), /* SCIFB */
653 CLKDEV_DEV_ID("sh-sci.0", &mstp_clks
[MSTP204
]), /* SCIFA0 */
654 CLKDEV_DEV_ID("sh-sci.1", &mstp_clks
[MSTP203
]), /* SCIFA1 */
655 CLKDEV_DEV_ID("sh-sci.2", &mstp_clks
[MSTP202
]), /* SCIFA2 */
656 CLKDEV_DEV_ID("sh-sci.3", &mstp_clks
[MSTP201
]), /* SCIFA3 */
657 CLKDEV_DEV_ID("sh-sci.4", &mstp_clks
[MSTP200
]), /* SCIFA4 */
658 CLKDEV_DEV_ID("sh-sci.6", &mstp_clks
[MSTP331
]), /* SCIFA6 */
659 CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks
[MSTP329
]), /* CMT10 */
660 CLKDEV_DEV_ID("sh_fsi2", &mstp_clks
[MSTP328
]), /* FSI */
661 CLKDEV_DEV_ID("sh_irda.0", &mstp_clks
[MSTP325
]), /* IrDA */
662 CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks
[MSTP323
]), /* I2C1 */
663 CLKDEV_DEV_ID("e6822000.i2c", &mstp_clks
[MSTP323
]), /* I2C1 */
664 CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks
[MSTP322
]), /* USB */
665 CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks
[MSTP314
]), /* SDHI0 */
666 CLKDEV_DEV_ID("ee100000.sdhi", &mstp_clks
[MSTP314
]), /* SDHI0 */
667 CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks
[MSTP313
]), /* SDHI1 */
668 CLKDEV_DEV_ID("ee120000.sdhi", &mstp_clks
[MSTP313
]), /* SDHI1 */
669 CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks
[MSTP312
]), /* MMCIF0 */
670 CLKDEV_DEV_ID("e6bd0000.mmcif", &mstp_clks
[MSTP312
]), /* MMCIF0 */
671 CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks
[MSTP311
]), /* SDHI2 */
672 CLKDEV_DEV_ID("ee140000.sdhi", &mstp_clks
[MSTP311
]), /* SDHI2 */
673 CLKDEV_DEV_ID("renesas-tpu-pwm.0", &mstp_clks
[MSTP304
]), /* TPU0 */
674 CLKDEV_DEV_ID("renesas-tpu-pwm.1", &mstp_clks
[MSTP303
]), /* TPU1 */
675 CLKDEV_DEV_ID("renesas-tpu-pwm.2", &mstp_clks
[MSTP302
]), /* TPU2 */
676 CLKDEV_DEV_ID("renesas-tpu-pwm.3", &mstp_clks
[MSTP301
]), /* TPU3 */
677 CLKDEV_DEV_ID("renesas-tpu-pwm.4", &mstp_clks
[MSTP300
]), /* TPU4 */
678 CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks
[MSTP411
]), /* I2C3 */
679 CLKDEV_DEV_ID("e6826000.i2c", &mstp_clks
[MSTP411
]), /* I2C3 */
680 CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks
[MSTP410
]), /* I2C4 */
681 CLKDEV_DEV_ID("e6828000.i2c", &mstp_clks
[MSTP410
]), /* I2C4 */
682 CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks
[MSTP403
]), /* KEYSC */
685 void __init
sh73a0_clock_init(void)
689 /* Set SDHI clocks to a known state */
690 __raw_writel(0x108, SD0CKCR
);
691 __raw_writel(0x108, SD1CKCR
);
692 __raw_writel(0x108, SD2CKCR
);
694 /* detect main clock parent */
695 switch ((__raw_readl(CKSCR
) >> 28) & 0x03) {
697 main_clk
.parent
= &sh73a0_extal1_clk
;
700 main_clk
.parent
= &extal1_div2_clk
;
703 main_clk
.parent
= &sh73a0_extal2_clk
;
706 main_clk
.parent
= &extal2_div2_clk
;
710 for (k
= 0; !ret
&& (k
< ARRAY_SIZE(main_clks
)); k
++)
711 ret
= clk_register(main_clks
[k
]);
714 ret
= sh_clk_div4_register(div4_clks
, DIV4_NR
, &div4_table
);
720 ret
= sh_clk_div6_reparent_register(div6_clks
, DIV6_NR
);
723 ret
= sh_clk_mstp_register(mstp_clks
, MSTP_NR
);
725 for (k
= 0; !ret
&& (k
< ARRAY_SIZE(late_main_clks
)); k
++)
726 ret
= clk_register(late_main_clks
[k
]);
728 clkdev_add_table(lookups
, ARRAY_SIZE(lookups
));
733 panic("failed to setup sh73a0 clocks\n");