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26#ifndef CLK_ROCKCHIP_CLK_H
27#define CLK_ROCKCHIP_CLK_H
28
29#include <linux/io.h>
30#include <linux/clk-provider.h>
31
32struct clk;
33
34#define HIWORD_UPDATE(val, mask, shift) \
35 ((val) << (shift) | (mask) << ((shift) + 16))
36
37
38#define RV1108_PLL_CON(x) ((x) * 0x4)
39#define RV1108_CLKSEL_CON(x) ((x) * 0x4 + 0x60)
40#define RV1108_CLKGATE_CON(x) ((x) * 0x4 + 0x120)
41#define RV1108_SOFTRST_CON(x) ((x) * 0x4 + 0x180)
42#define RV1108_GLB_SRST_FST 0x1c0
43#define RV1108_GLB_SRST_SND 0x1c4
44#define RV1108_MISC_CON 0x1cc
45#define RV1108_SDMMC_CON0 0x1d8
46#define RV1108_SDMMC_CON1 0x1dc
47#define RV1108_SDIO_CON0 0x1e0
48#define RV1108_SDIO_CON1 0x1e4
49#define RV1108_EMMC_CON0 0x1e8
50#define RV1108_EMMC_CON1 0x1ec
51
52#define RK2928_PLL_CON(x) ((x) * 0x4)
53#define RK2928_MODE_CON 0x40
54#define RK2928_CLKSEL_CON(x) ((x) * 0x4 + 0x44)
55#define RK2928_CLKGATE_CON(x) ((x) * 0x4 + 0xd0)
56#define RK2928_GLB_SRST_FST 0x100
57#define RK2928_GLB_SRST_SND 0x104
58#define RK2928_SOFTRST_CON(x) ((x) * 0x4 + 0x110)
59#define RK2928_MISC_CON 0x134
60
61#define RK3036_SDMMC_CON0 0x144
62#define RK3036_SDMMC_CON1 0x148
63#define RK3036_SDIO_CON0 0x14c
64#define RK3036_SDIO_CON1 0x150
65#define RK3036_EMMC_CON0 0x154
66#define RK3036_EMMC_CON1 0x158
67
68#define RK3228_GLB_SRST_FST 0x1f0
69#define RK3228_GLB_SRST_SND 0x1f4
70#define RK3228_SDMMC_CON0 0x1c0
71#define RK3228_SDMMC_CON1 0x1c4
72#define RK3228_SDIO_CON0 0x1c8
73#define RK3228_SDIO_CON1 0x1cc
74#define RK3228_EMMC_CON0 0x1d8
75#define RK3228_EMMC_CON1 0x1dc
76
77#define RK3288_PLL_CON(x) RK2928_PLL_CON(x)
78#define RK3288_MODE_CON 0x50
79#define RK3288_CLKSEL_CON(x) ((x) * 0x4 + 0x60)
80#define RK3288_CLKGATE_CON(x) ((x) * 0x4 + 0x160)
81#define RK3288_GLB_SRST_FST 0x1b0
82#define RK3288_GLB_SRST_SND 0x1b4
83#define RK3288_SOFTRST_CON(x) ((x) * 0x4 + 0x1b8)
84#define RK3288_MISC_CON 0x1e8
85#define RK3288_SDMMC_CON0 0x200
86#define RK3288_SDMMC_CON1 0x204
87#define RK3288_SDIO0_CON0 0x208
88#define RK3288_SDIO0_CON1 0x20c
89#define RK3288_SDIO1_CON0 0x210
90#define RK3288_SDIO1_CON1 0x214
91#define RK3288_EMMC_CON0 0x218
92#define RK3288_EMMC_CON1 0x21c
93
94#define RK3328_PLL_CON(x) RK2928_PLL_CON(x)
95#define RK3328_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
96#define RK3328_CLKGATE_CON(x) ((x) * 0x4 + 0x200)
97#define RK3328_GRFCLKSEL_CON(x) ((x) * 0x4 + 0x100)
98#define RK3328_GLB_SRST_FST 0x9c
99#define RK3328_GLB_SRST_SND 0x98
100#define RK3328_SOFTRST_CON(x) ((x) * 0x4 + 0x300)
101#define RK3328_MODE_CON 0x80
102#define RK3328_MISC_CON 0x84
103#define RK3328_SDMMC_CON0 0x380
104#define RK3328_SDMMC_CON1 0x384
105#define RK3328_SDIO_CON0 0x388
106#define RK3328_SDIO_CON1 0x38c
107#define RK3328_EMMC_CON0 0x390
108#define RK3328_EMMC_CON1 0x394
109#define RK3328_SDMMC_EXT_CON0 0x398
110#define RK3328_SDMMC_EXT_CON1 0x39C
111
112#define RK3368_PLL_CON(x) RK2928_PLL_CON(x)
113#define RK3368_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
114#define RK3368_CLKGATE_CON(x) ((x) * 0x4 + 0x200)
115#define RK3368_GLB_SRST_FST 0x280
116#define RK3368_GLB_SRST_SND 0x284
117#define RK3368_SOFTRST_CON(x) ((x) * 0x4 + 0x300)
118#define RK3368_MISC_CON 0x380
119#define RK3368_SDMMC_CON0 0x400
120#define RK3368_SDMMC_CON1 0x404
121#define RK3368_SDIO0_CON0 0x408
122#define RK3368_SDIO0_CON1 0x40c
123#define RK3368_SDIO1_CON0 0x410
124#define RK3368_SDIO1_CON1 0x414
125#define RK3368_EMMC_CON0 0x418
126#define RK3368_EMMC_CON1 0x41c
127
128#define RK3399_PLL_CON(x) RK2928_PLL_CON(x)
129#define RK3399_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
130#define RK3399_CLKGATE_CON(x) ((x) * 0x4 + 0x300)
131#define RK3399_SOFTRST_CON(x) ((x) * 0x4 + 0x400)
132#define RK3399_GLB_SRST_FST 0x500
133#define RK3399_GLB_SRST_SND 0x504
134#define RK3399_GLB_CNT_TH 0x508
135#define RK3399_MISC_CON 0x50c
136#define RK3399_RST_CON 0x510
137#define RK3399_RST_ST 0x514
138#define RK3399_SDMMC_CON0 0x580
139#define RK3399_SDMMC_CON1 0x584
140#define RK3399_SDIO_CON0 0x588
141#define RK3399_SDIO_CON1 0x58c
142
143#define RK3399_PMU_PLL_CON(x) RK2928_PLL_CON(x)
144#define RK3399_PMU_CLKSEL_CON(x) ((x) * 0x4 + 0x80)
145#define RK3399_PMU_CLKGATE_CON(x) ((x) * 0x4 + 0x100)
146#define RK3399_PMU_SOFTRST_CON(x) ((x) * 0x4 + 0x110)
147
148enum rockchip_pll_type {
149 pll_rk3036,
150 pll_rk3066,
151 pll_rk3328,
152 pll_rk3399,
153};
154
155#define RK3036_PLL_RATE(_rate, _refdiv, _fbdiv, _postdiv1, \
156 _postdiv2, _dsmpd, _frac) \
157{ \
158 .rate = _rate##U, \
159 .fbdiv = _fbdiv, \
160 .postdiv1 = _postdiv1, \
161 .refdiv = _refdiv, \
162 .postdiv2 = _postdiv2, \
163 .dsmpd = _dsmpd, \
164 .frac = _frac, \
165}
166
167#define RK3066_PLL_RATE(_rate, _nr, _nf, _no) \
168{ \
169 .rate = _rate##U, \
170 .nr = _nr, \
171 .nf = _nf, \
172 .no = _no, \
173 .nb = ((_nf) < 2) ? 1 : (_nf) >> 1, \
174}
175
176#define RK3066_PLL_RATE_NB(_rate, _nr, _nf, _no, _nb) \
177{ \
178 .rate = _rate##U, \
179 .nr = _nr, \
180 .nf = _nf, \
181 .no = _no, \
182 .nb = _nb, \
183}
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192
193struct rockchip_clk_provider {
194 void __iomem *reg_base;
195 struct clk_onecell_data clk_data;
196 struct device_node *cru_node;
197 struct regmap *grf;
198 spinlock_t lock;
199};
200
201struct rockchip_pll_rate_table {
202 unsigned long rate;
203 unsigned int nr;
204 unsigned int nf;
205 unsigned int no;
206 unsigned int nb;
207
208 unsigned int fbdiv;
209 unsigned int postdiv1;
210 unsigned int refdiv;
211 unsigned int postdiv2;
212 unsigned int dsmpd;
213 unsigned int frac;
214};
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234
235struct rockchip_pll_clock {
236 unsigned int id;
237 const char *name;
238 const char *const *parent_names;
239 u8 num_parents;
240 unsigned long flags;
241 int con_offset;
242 int mode_offset;
243 int mode_shift;
244 int lock_shift;
245 enum rockchip_pll_type type;
246 u8 pll_flags;
247 struct rockchip_pll_rate_table *rate_table;
248};
249
250#define ROCKCHIP_PLL_SYNC_RATE BIT(0)
251
252#define PLL(_type, _id, _name, _pnames, _flags, _con, _mode, _mshift, \
253 _lshift, _pflags, _rtable) \
254 { \
255 .id = _id, \
256 .type = _type, \
257 .name = _name, \
258 .parent_names = _pnames, \
259 .num_parents = ARRAY_SIZE(_pnames), \
260 .flags = CLK_GET_RATE_NOCACHE | _flags, \
261 .con_offset = _con, \
262 .mode_offset = _mode, \
263 .mode_shift = _mshift, \
264 .lock_shift = _lshift, \
265 .pll_flags = _pflags, \
266 .rate_table = _rtable, \
267 }
268
269struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx,
270 enum rockchip_pll_type pll_type,
271 const char *name, const char *const *parent_names,
272 u8 num_parents, int con_offset, int grf_lock_offset,
273 int lock_shift, int mode_offset, int mode_shift,
274 struct rockchip_pll_rate_table *rate_table,
275 unsigned long flags, u8 clk_pll_flags);
276
277struct rockchip_cpuclk_clksel {
278 int reg;
279 u32 val;
280};
281
282#define ROCKCHIP_CPUCLK_NUM_DIVIDERS 2
283struct rockchip_cpuclk_rate_table {
284 unsigned long prate;
285 struct rockchip_cpuclk_clksel divs[ROCKCHIP_CPUCLK_NUM_DIVIDERS];
286};
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298struct rockchip_cpuclk_reg_data {
299 int core_reg;
300 u8 div_core_shift;
301 u32 div_core_mask;
302 u8 mux_core_alt;
303 u8 mux_core_main;
304 u8 mux_core_shift;
305 u32 mux_core_mask;
306};
307
308struct clk *rockchip_clk_register_cpuclk(const char *name,
309 const char *const *parent_names, u8 num_parents,
310 const struct rockchip_cpuclk_reg_data *reg_data,
311 const struct rockchip_cpuclk_rate_table *rates,
312 int nrates, void __iomem *reg_base, spinlock_t *lock);
313
314struct clk *rockchip_clk_register_mmc(const char *name,
315 const char *const *parent_names, u8 num_parents,
316 void __iomem *reg, int shift);
317
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321
322#define ROCKCHIP_DDRCLK_SIP BIT(0)
323
324struct clk *rockchip_clk_register_ddrclk(const char *name, int flags,
325 const char *const *parent_names,
326 u8 num_parents, int mux_offset,
327 int mux_shift, int mux_width,
328 int div_shift, int div_width,
329 int ddr_flags, void __iomem *reg_base,
330 spinlock_t *lock);
331
332#define ROCKCHIP_INVERTER_HIWORD_MASK BIT(0)
333
334struct clk *rockchip_clk_register_inverter(const char *name,
335 const char *const *parent_names, u8 num_parents,
336 void __iomem *reg, int shift, int flags,
337 spinlock_t *lock);
338
339struct clk *rockchip_clk_register_muxgrf(const char *name,
340 const char *const *parent_names, u8 num_parents,
341 int flags, struct regmap *grf, int reg,
342 int shift, int width, int mux_flags);
343
344#define PNAME(x) static const char *const x[] __initconst
345
346enum rockchip_clk_branch_type {
347 branch_composite,
348 branch_mux,
349 branch_muxgrf,
350 branch_divider,
351 branch_fraction_divider,
352 branch_gate,
353 branch_mmc,
354 branch_inverter,
355 branch_factor,
356 branch_ddrclk,
357};
358
359struct rockchip_clk_branch {
360 unsigned int id;
361 enum rockchip_clk_branch_type branch_type;
362 const char *name;
363 const char *const *parent_names;
364 u8 num_parents;
365 unsigned long flags;
366 int muxdiv_offset;
367 u8 mux_shift;
368 u8 mux_width;
369 u8 mux_flags;
370 u8 div_shift;
371 u8 div_width;
372 u8 div_flags;
373 struct clk_div_table *div_table;
374 int gate_offset;
375 u8 gate_shift;
376 u8 gate_flags;
377 struct rockchip_clk_branch *child;
378};
379
380#define COMPOSITE(_id, cname, pnames, f, mo, ms, mw, mf, ds, dw,\
381 df, go, gs, gf) \
382 { \
383 .id = _id, \
384 .branch_type = branch_composite, \
385 .name = cname, \
386 .parent_names = pnames, \
387 .num_parents = ARRAY_SIZE(pnames), \
388 .flags = f, \
389 .muxdiv_offset = mo, \
390 .mux_shift = ms, \
391 .mux_width = mw, \
392 .mux_flags = mf, \
393 .div_shift = ds, \
394 .div_width = dw, \
395 .div_flags = df, \
396 .gate_offset = go, \
397 .gate_shift = gs, \
398 .gate_flags = gf, \
399 }
400
401#define COMPOSITE_NOMUX(_id, cname, pname, f, mo, ds, dw, df, \
402 go, gs, gf) \
403 { \
404 .id = _id, \
405 .branch_type = branch_composite, \
406 .name = cname, \
407 .parent_names = (const char *[]){ pname }, \
408 .num_parents = 1, \
409 .flags = f, \
410 .muxdiv_offset = mo, \
411 .div_shift = ds, \
412 .div_width = dw, \
413 .div_flags = df, \
414 .gate_offset = go, \
415 .gate_shift = gs, \
416 .gate_flags = gf, \
417 }
418
419#define COMPOSITE_NOMUX_DIVTBL(_id, cname, pname, f, mo, ds, dw,\
420 df, dt, go, gs, gf) \
421 { \
422 .id = _id, \
423 .branch_type = branch_composite, \
424 .name = cname, \
425 .parent_names = (const char *[]){ pname }, \
426 .num_parents = 1, \
427 .flags = f, \
428 .muxdiv_offset = mo, \
429 .div_shift = ds, \
430 .div_width = dw, \
431 .div_flags = df, \
432 .div_table = dt, \
433 .gate_offset = go, \
434 .gate_shift = gs, \
435 .gate_flags = gf, \
436 }
437
438#define COMPOSITE_NODIV(_id, cname, pnames, f, mo, ms, mw, mf, \
439 go, gs, gf) \
440 { \
441 .id = _id, \
442 .branch_type = branch_composite, \
443 .name = cname, \
444 .parent_names = pnames, \
445 .num_parents = ARRAY_SIZE(pnames), \
446 .flags = f, \
447 .muxdiv_offset = mo, \
448 .mux_shift = ms, \
449 .mux_width = mw, \
450 .mux_flags = mf, \
451 .gate_offset = go, \
452 .gate_shift = gs, \
453 .gate_flags = gf, \
454 }
455
456#define COMPOSITE_NOGATE(_id, cname, pnames, f, mo, ms, mw, mf, \
457 ds, dw, df) \
458 { \
459 .id = _id, \
460 .branch_type = branch_composite, \
461 .name = cname, \
462 .parent_names = pnames, \
463 .num_parents = ARRAY_SIZE(pnames), \
464 .flags = f, \
465 .muxdiv_offset = mo, \
466 .mux_shift = ms, \
467 .mux_width = mw, \
468 .mux_flags = mf, \
469 .div_shift = ds, \
470 .div_width = dw, \
471 .div_flags = df, \
472 .gate_offset = -1, \
473 }
474
475#define COMPOSITE_NOGATE_DIVTBL(_id, cname, pnames, f, mo, ms, \
476 mw, mf, ds, dw, df, dt) \
477 { \
478 .id = _id, \
479 .branch_type = branch_composite, \
480 .name = cname, \
481 .parent_names = pnames, \
482 .num_parents = ARRAY_SIZE(pnames), \
483 .flags = f, \
484 .muxdiv_offset = mo, \
485 .mux_shift = ms, \
486 .mux_width = mw, \
487 .mux_flags = mf, \
488 .div_shift = ds, \
489 .div_width = dw, \
490 .div_flags = df, \
491 .div_table = dt, \
492 .gate_offset = -1, \
493 }
494
495#define COMPOSITE_FRAC(_id, cname, pname, f, mo, df, go, gs, gf)\
496 { \
497 .id = _id, \
498 .branch_type = branch_fraction_divider, \
499 .name = cname, \
500 .parent_names = (const char *[]){ pname }, \
501 .num_parents = 1, \
502 .flags = f, \
503 .muxdiv_offset = mo, \
504 .div_shift = 16, \
505 .div_width = 16, \
506 .div_flags = df, \
507 .gate_offset = go, \
508 .gate_shift = gs, \
509 .gate_flags = gf, \
510 }
511
512#define COMPOSITE_FRACMUX(_id, cname, pname, f, mo, df, go, gs, gf, ch) \
513 { \
514 .id = _id, \
515 .branch_type = branch_fraction_divider, \
516 .name = cname, \
517 .parent_names = (const char *[]){ pname }, \
518 .num_parents = 1, \
519 .flags = f, \
520 .muxdiv_offset = mo, \
521 .div_shift = 16, \
522 .div_width = 16, \
523 .div_flags = df, \
524 .gate_offset = go, \
525 .gate_shift = gs, \
526 .gate_flags = gf, \
527 .child = ch, \
528 }
529
530#define COMPOSITE_FRACMUX_NOGATE(_id, cname, pname, f, mo, df, ch) \
531 { \
532 .id = _id, \
533 .branch_type = branch_fraction_divider, \
534 .name = cname, \
535 .parent_names = (const char *[]){ pname }, \
536 .num_parents = 1, \
537 .flags = f, \
538 .muxdiv_offset = mo, \
539 .div_shift = 16, \
540 .div_width = 16, \
541 .div_flags = df, \
542 .gate_offset = -1, \
543 .child = ch, \
544 }
545
546#define COMPOSITE_DDRCLK(_id, cname, pnames, f, mo, ms, mw, \
547 ds, dw, df) \
548 { \
549 .id = _id, \
550 .branch_type = branch_ddrclk, \
551 .name = cname, \
552 .parent_names = pnames, \
553 .num_parents = ARRAY_SIZE(pnames), \
554 .flags = f, \
555 .muxdiv_offset = mo, \
556 .mux_shift = ms, \
557 .mux_width = mw, \
558 .div_shift = ds, \
559 .div_width = dw, \
560 .div_flags = df, \
561 .gate_offset = -1, \
562 }
563
564#define MUX(_id, cname, pnames, f, o, s, w, mf) \
565 { \
566 .id = _id, \
567 .branch_type = branch_mux, \
568 .name = cname, \
569 .parent_names = pnames, \
570 .num_parents = ARRAY_SIZE(pnames), \
571 .flags = f, \
572 .muxdiv_offset = o, \
573 .mux_shift = s, \
574 .mux_width = w, \
575 .mux_flags = mf, \
576 .gate_offset = -1, \
577 }
578
579#define MUXGRF(_id, cname, pnames, f, o, s, w, mf) \
580 { \
581 .id = _id, \
582 .branch_type = branch_muxgrf, \
583 .name = cname, \
584 .parent_names = pnames, \
585 .num_parents = ARRAY_SIZE(pnames), \
586 .flags = f, \
587 .muxdiv_offset = o, \
588 .mux_shift = s, \
589 .mux_width = w, \
590 .mux_flags = mf, \
591 .gate_offset = -1, \
592 }
593
594#define DIV(_id, cname, pname, f, o, s, w, df) \
595 { \
596 .id = _id, \
597 .branch_type = branch_divider, \
598 .name = cname, \
599 .parent_names = (const char *[]){ pname }, \
600 .num_parents = 1, \
601 .flags = f, \
602 .muxdiv_offset = o, \
603 .div_shift = s, \
604 .div_width = w, \
605 .div_flags = df, \
606 .gate_offset = -1, \
607 }
608
609#define DIVTBL(_id, cname, pname, f, o, s, w, df, dt) \
610 { \
611 .id = _id, \
612 .branch_type = branch_divider, \
613 .name = cname, \
614 .parent_names = (const char *[]){ pname }, \
615 .num_parents = 1, \
616 .flags = f, \
617 .muxdiv_offset = o, \
618 .div_shift = s, \
619 .div_width = w, \
620 .div_flags = df, \
621 .div_table = dt, \
622 }
623
624#define GATE(_id, cname, pname, f, o, b, gf) \
625 { \
626 .id = _id, \
627 .branch_type = branch_gate, \
628 .name = cname, \
629 .parent_names = (const char *[]){ pname }, \
630 .num_parents = 1, \
631 .flags = f, \
632 .gate_offset = o, \
633 .gate_shift = b, \
634 .gate_flags = gf, \
635 }
636
637#define MMC(_id, cname, pname, offset, shift) \
638 { \
639 .id = _id, \
640 .branch_type = branch_mmc, \
641 .name = cname, \
642 .parent_names = (const char *[]){ pname }, \
643 .num_parents = 1, \
644 .muxdiv_offset = offset, \
645 .div_shift = shift, \
646 }
647
648#define INVERTER(_id, cname, pname, io, is, if) \
649 { \
650 .id = _id, \
651 .branch_type = branch_inverter, \
652 .name = cname, \
653 .parent_names = (const char *[]){ pname }, \
654 .num_parents = 1, \
655 .muxdiv_offset = io, \
656 .div_shift = is, \
657 .div_flags = if, \
658 }
659
660#define FACTOR(_id, cname, pname, f, fm, fd) \
661 { \
662 .id = _id, \
663 .branch_type = branch_factor, \
664 .name = cname, \
665 .parent_names = (const char *[]){ pname }, \
666 .num_parents = 1, \
667 .flags = f, \
668 .div_shift = fm, \
669 .div_width = fd, \
670 }
671
672#define FACTOR_GATE(_id, cname, pname, f, fm, fd, go, gb, gf) \
673 { \
674 .id = _id, \
675 .branch_type = branch_factor, \
676 .name = cname, \
677 .parent_names = (const char *[]){ pname }, \
678 .num_parents = 1, \
679 .flags = f, \
680 .div_shift = fm, \
681 .div_width = fd, \
682 .gate_offset = go, \
683 .gate_shift = gb, \
684 .gate_flags = gf, \
685 }
686
687struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np,
688 void __iomem *base, unsigned long nr_clks);
689void rockchip_clk_of_add_provider(struct device_node *np,
690 struct rockchip_clk_provider *ctx);
691void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,
692 struct clk *clk, unsigned int id);
693void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
694 struct rockchip_clk_branch *list,
695 unsigned int nr_clk);
696void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
697 struct rockchip_pll_clock *pll_list,
698 unsigned int nr_pll, int grf_lock_offset);
699void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
700 unsigned int lookup_id, const char *name,
701 const char *const *parent_names, u8 num_parents,
702 const struct rockchip_cpuclk_reg_data *reg_data,
703 const struct rockchip_cpuclk_rate_table *rates,
704 int nrates);
705void rockchip_clk_protect_critical(const char *const clocks[], int nclocks);
706void rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,
707 unsigned int reg, void (*cb)(void));
708
709#define ROCKCHIP_SOFTRST_HIWORD_MASK BIT(0)
710
711#ifdef CONFIG_RESET_CONTROLLER
712void rockchip_register_softrst(struct device_node *np,
713 unsigned int num_regs,
714 void __iomem *base, u8 flags);
715#else
716static inline void rockchip_register_softrst(struct device_node *np,
717 unsigned int num_regs,
718 void __iomem *base, u8 flags)
719{
720}
721#endif
722
723#endif
724
