Merge branch 'pm-cpufreq'
[cascardo/linux.git] / drivers / clk / rockchip / clk.h
1 /*
2  * Copyright (c) 2014 MundoReader S.L.
3  * Author: Heiko Stuebner <heiko@sntech.de>
4  *
5  * Copyright (c) 2015 Rockchip Electronics Co. Ltd.
6  * Author: Xing Zheng <zhengxing@rock-chips.com>
7  *
8  * based on
9  *
10  * samsung/clk.h
11  * Copyright (c) 2013 Samsung Electronics Co., Ltd.
12  * Copyright (c) 2013 Linaro Ltd.
13  * Author: Thomas Abraham <thomas.ab@samsung.com>
14  *
15  * This program is free software; you can redistribute it and/or modify
16  * it under the terms of the GNU General Public License as published by
17  * the Free Software Foundation; either version 2 of the License, or
18  * (at your option) any later version.
19  *
20  * This program is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23  * GNU General Public License for more details.
24  */
25
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
32 struct clk;
33
34 #define HIWORD_UPDATE(val, mask, shift) \
35                 ((val) << (shift) | (mask) << ((shift) + 16))
36
37 #define RK2928_PLL_CON(x)               ((x) * 0x4)
38 #define RK2928_MODE_CON         0x40
39 #define RK2928_CLKSEL_CON(x)    ((x) * 0x4 + 0x44)
40 #define RK2928_CLKGATE_CON(x)   ((x) * 0x4 + 0xd0)
41 #define RK2928_GLB_SRST_FST             0x100
42 #define RK2928_GLB_SRST_SND             0x104
43 #define RK2928_SOFTRST_CON(x)   ((x) * 0x4 + 0x110)
44 #define RK2928_MISC_CON         0x134
45
46 #define RK3036_SDMMC_CON0               0x144
47 #define RK3036_SDMMC_CON1               0x148
48 #define RK3036_SDIO_CON0                0x14c
49 #define RK3036_SDIO_CON1                0x150
50 #define RK3036_EMMC_CON0                0x154
51 #define RK3036_EMMC_CON1                0x158
52
53 #define RK3228_GLB_SRST_FST             0x1f0
54 #define RK3228_GLB_SRST_SND             0x1f4
55 #define RK3228_SDMMC_CON0               0x1c0
56 #define RK3228_SDMMC_CON1               0x1c4
57 #define RK3228_SDIO_CON0                0x1c8
58 #define RK3228_SDIO_CON1                0x1cc
59 #define RK3228_EMMC_CON0                0x1d8
60 #define RK3228_EMMC_CON1                0x1dc
61
62 #define RK3288_PLL_CON(x)               RK2928_PLL_CON(x)
63 #define RK3288_MODE_CON                 0x50
64 #define RK3288_CLKSEL_CON(x)            ((x) * 0x4 + 0x60)
65 #define RK3288_CLKGATE_CON(x)           ((x) * 0x4 + 0x160)
66 #define RK3288_GLB_SRST_FST             0x1b0
67 #define RK3288_GLB_SRST_SND             0x1b4
68 #define RK3288_SOFTRST_CON(x)           ((x) * 0x4 + 0x1b8)
69 #define RK3288_MISC_CON                 0x1e8
70 #define RK3288_SDMMC_CON0               0x200
71 #define RK3288_SDMMC_CON1               0x204
72 #define RK3288_SDIO0_CON0               0x208
73 #define RK3288_SDIO0_CON1               0x20c
74 #define RK3288_SDIO1_CON0               0x210
75 #define RK3288_SDIO1_CON1               0x214
76 #define RK3288_EMMC_CON0                0x218
77 #define RK3288_EMMC_CON1                0x21c
78
79 #define RK3368_PLL_CON(x)               RK2928_PLL_CON(x)
80 #define RK3368_CLKSEL_CON(x)            ((x) * 0x4 + 0x100)
81 #define RK3368_CLKGATE_CON(x)           ((x) * 0x4 + 0x200)
82 #define RK3368_GLB_SRST_FST             0x280
83 #define RK3368_GLB_SRST_SND             0x284
84 #define RK3368_SOFTRST_CON(x)           ((x) * 0x4 + 0x300)
85 #define RK3368_MISC_CON                 0x380
86 #define RK3368_SDMMC_CON0               0x400
87 #define RK3368_SDMMC_CON1               0x404
88 #define RK3368_SDIO0_CON0               0x408
89 #define RK3368_SDIO0_CON1               0x40c
90 #define RK3368_SDIO1_CON0               0x410
91 #define RK3368_SDIO1_CON1               0x414
92 #define RK3368_EMMC_CON0                0x418
93 #define RK3368_EMMC_CON1                0x41c
94
95 #define RK3399_PLL_CON(x)               RK2928_PLL_CON(x)
96 #define RK3399_CLKSEL_CON(x)            ((x) * 0x4 + 0x100)
97 #define RK3399_CLKGATE_CON(x)           ((x) * 0x4 + 0x300)
98 #define RK3399_SOFTRST_CON(x)           ((x) * 0x4 + 0x400)
99 #define RK3399_GLB_SRST_FST             0x500
100 #define RK3399_GLB_SRST_SND             0x504
101 #define RK3399_GLB_CNT_TH               0x508
102 #define RK3399_MISC_CON                 0x50c
103 #define RK3399_RST_CON                  0x510
104 #define RK3399_RST_ST                   0x514
105 #define RK3399_SDMMC_CON0               0x580
106 #define RK3399_SDMMC_CON1               0x584
107 #define RK3399_SDIO_CON0                0x588
108 #define RK3399_SDIO_CON1                0x58c
109
110 #define RK3399_PMU_PLL_CON(x)           RK2928_PLL_CON(x)
111 #define RK3399_PMU_CLKSEL_CON(x)        ((x) * 0x4 + 0x80)
112 #define RK3399_PMU_CLKGATE_CON(x)       ((x) * 0x4 + 0x100)
113 #define RK3399_PMU_SOFTRST_CON(x)       ((x) * 0x4 + 0x110)
114
115 enum rockchip_pll_type {
116         pll_rk3036,
117         pll_rk3066,
118         pll_rk3399,
119 };
120
121 #define RK3036_PLL_RATE(_rate, _refdiv, _fbdiv, _postdiv1,      \
122                         _postdiv2, _dsmpd, _frac)               \
123 {                                                               \
124         .rate   = _rate##U,                                     \
125         .fbdiv = _fbdiv,                                        \
126         .postdiv1 = _postdiv1,                                  \
127         .refdiv = _refdiv,                                      \
128         .postdiv2 = _postdiv2,                                  \
129         .dsmpd = _dsmpd,                                        \
130         .frac = _frac,                                          \
131 }
132
133 #define RK3066_PLL_RATE(_rate, _nr, _nf, _no)   \
134 {                                               \
135         .rate   = _rate##U,                     \
136         .nr = _nr,                              \
137         .nf = _nf,                              \
138         .no = _no,                              \
139         .nb = ((_nf) < 2) ? 1 : (_nf) >> 1,     \
140 }
141
142 #define RK3066_PLL_RATE_NB(_rate, _nr, _nf, _no, _nb)           \
143 {                                                               \
144         .rate   = _rate##U,                                     \
145         .nr = _nr,                                              \
146         .nf = _nf,                                              \
147         .no = _no,                                              \
148         .nb = _nb,                                              \
149 }
150
151 /**
152  * struct rockchip_clk_provider - information about clock provider
153  * @reg_base: virtual address for the register base.
154  * @clk_data: holds clock related data like clk* and number of clocks.
155  * @cru_node: device-node of the clock-provider
156  * @grf: regmap of the general-register-files syscon
157  * @lock: maintains exclusion between callbacks for a given clock-provider.
158  */
159 struct rockchip_clk_provider {
160         void __iomem *reg_base;
161         struct clk_onecell_data clk_data;
162         struct device_node *cru_node;
163         struct regmap *grf;
164         spinlock_t lock;
165 };
166
167 struct rockchip_pll_rate_table {
168         unsigned long rate;
169         unsigned int nr;
170         unsigned int nf;
171         unsigned int no;
172         unsigned int nb;
173         /* for RK3036/RK3399 */
174         unsigned int fbdiv;
175         unsigned int postdiv1;
176         unsigned int refdiv;
177         unsigned int postdiv2;
178         unsigned int dsmpd;
179         unsigned int frac;
180 };
181
182 /**
183  * struct rockchip_pll_clock - information about pll clock
184  * @id: platform specific id of the clock.
185  * @name: name of this pll clock.
186  * @parent_names: name of the parent clock.
187  * @num_parents: number of parents
188  * @flags: optional flags for basic clock.
189  * @con_offset: offset of the register for configuring the PLL.
190  * @mode_offset: offset of the register for configuring the PLL-mode.
191  * @mode_shift: offset inside the mode-register for the mode of this pll.
192  * @lock_shift: offset inside the lock register for the lock status.
193  * @type: Type of PLL to be registered.
194  * @pll_flags: hardware-specific flags
195  * @rate_table: Table of usable pll rates
196  *
197  * Flags:
198  * ROCKCHIP_PLL_SYNC_RATE - check rate parameters to match against the
199  *      rate_table parameters and ajust them if necessary.
200  */
201 struct rockchip_pll_clock {
202         unsigned int            id;
203         const char              *name;
204         const char              *const *parent_names;
205         u8                      num_parents;
206         unsigned long           flags;
207         int                     con_offset;
208         int                     mode_offset;
209         int                     mode_shift;
210         int                     lock_shift;
211         enum rockchip_pll_type  type;
212         u8                      pll_flags;
213         struct rockchip_pll_rate_table *rate_table;
214 };
215
216 #define ROCKCHIP_PLL_SYNC_RATE          BIT(0)
217
218 #define PLL(_type, _id, _name, _pnames, _flags, _con, _mode, _mshift,   \
219                 _lshift, _pflags, _rtable)                              \
220         {                                                               \
221                 .id             = _id,                                  \
222                 .type           = _type,                                \
223                 .name           = _name,                                \
224                 .parent_names   = _pnames,                              \
225                 .num_parents    = ARRAY_SIZE(_pnames),                  \
226                 .flags          = CLK_GET_RATE_NOCACHE | _flags,        \
227                 .con_offset     = _con,                                 \
228                 .mode_offset    = _mode,                                \
229                 .mode_shift     = _mshift,                              \
230                 .lock_shift     = _lshift,                              \
231                 .pll_flags      = _pflags,                              \
232                 .rate_table     = _rtable,                              \
233         }
234
235 struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx,
236                 enum rockchip_pll_type pll_type,
237                 const char *name, const char *const *parent_names,
238                 u8 num_parents, int con_offset, int grf_lock_offset,
239                 int lock_shift, int mode_offset, int mode_shift,
240                 struct rockchip_pll_rate_table *rate_table,
241                 u8 clk_pll_flags);
242
243 struct rockchip_cpuclk_clksel {
244         int reg;
245         u32 val;
246 };
247
248 #define ROCKCHIP_CPUCLK_NUM_DIVIDERS    2
249 struct rockchip_cpuclk_rate_table {
250         unsigned long prate;
251         struct rockchip_cpuclk_clksel divs[ROCKCHIP_CPUCLK_NUM_DIVIDERS];
252 };
253
254 /**
255  * struct rockchip_cpuclk_reg_data - register offsets and masks of the cpuclock
256  * @core_reg:           register offset of the core settings register
257  * @div_core_shift:     core divider offset used to divide the pll value
258  * @div_core_mask:      core divider mask
259  * @mux_core_alt:       mux value to select alternate parent
260  * @mux_core_main:      mux value to select main parent of core
261  * @mux_core_shift:     offset of the core multiplexer
262  * @mux_core_mask:      core multiplexer mask
263  */
264 struct rockchip_cpuclk_reg_data {
265         int             core_reg;
266         u8              div_core_shift;
267         u32             div_core_mask;
268         u8              mux_core_alt;
269         u8              mux_core_main;
270         u8              mux_core_shift;
271         u32             mux_core_mask;
272 };
273
274 struct clk *rockchip_clk_register_cpuclk(const char *name,
275                         const char *const *parent_names, u8 num_parents,
276                         const struct rockchip_cpuclk_reg_data *reg_data,
277                         const struct rockchip_cpuclk_rate_table *rates,
278                         int nrates, void __iomem *reg_base, spinlock_t *lock);
279
280 struct clk *rockchip_clk_register_mmc(const char *name,
281                                 const char *const *parent_names, u8 num_parents,
282                                 void __iomem *reg, int shift);
283
284 #define ROCKCHIP_INVERTER_HIWORD_MASK   BIT(0)
285
286 struct clk *rockchip_clk_register_inverter(const char *name,
287                                 const char *const *parent_names, u8 num_parents,
288                                 void __iomem *reg, int shift, int flags,
289                                 spinlock_t *lock);
290
291 #define PNAME(x) static const char *const x[] __initconst
292
293 enum rockchip_clk_branch_type {
294         branch_composite,
295         branch_mux,
296         branch_divider,
297         branch_fraction_divider,
298         branch_gate,
299         branch_mmc,
300         branch_inverter,
301         branch_factor,
302 };
303
304 struct rockchip_clk_branch {
305         unsigned int                    id;
306         enum rockchip_clk_branch_type   branch_type;
307         const char                      *name;
308         const char                      *const *parent_names;
309         u8                              num_parents;
310         unsigned long                   flags;
311         int                             muxdiv_offset;
312         u8                              mux_shift;
313         u8                              mux_width;
314         u8                              mux_flags;
315         u8                              div_shift;
316         u8                              div_width;
317         u8                              div_flags;
318         struct clk_div_table            *div_table;
319         int                             gate_offset;
320         u8                              gate_shift;
321         u8                              gate_flags;
322         struct rockchip_clk_branch      *child;
323 };
324
325 #define COMPOSITE(_id, cname, pnames, f, mo, ms, mw, mf, ds, dw,\
326                   df, go, gs, gf)                               \
327         {                                                       \
328                 .id             = _id,                          \
329                 .branch_type    = branch_composite,             \
330                 .name           = cname,                        \
331                 .parent_names   = pnames,                       \
332                 .num_parents    = ARRAY_SIZE(pnames),           \
333                 .flags          = f,                            \
334                 .muxdiv_offset  = mo,                           \
335                 .mux_shift      = ms,                           \
336                 .mux_width      = mw,                           \
337                 .mux_flags      = mf,                           \
338                 .div_shift      = ds,                           \
339                 .div_width      = dw,                           \
340                 .div_flags      = df,                           \
341                 .gate_offset    = go,                           \
342                 .gate_shift     = gs,                           \
343                 .gate_flags     = gf,                           \
344         }
345
346 #define COMPOSITE_NOMUX(_id, cname, pname, f, mo, ds, dw, df,   \
347                         go, gs, gf)                             \
348         {                                                       \
349                 .id             = _id,                          \
350                 .branch_type    = branch_composite,             \
351                 .name           = cname,                        \
352                 .parent_names   = (const char *[]){ pname },    \
353                 .num_parents    = 1,                            \
354                 .flags          = f,                            \
355                 .muxdiv_offset  = mo,                           \
356                 .div_shift      = ds,                           \
357                 .div_width      = dw,                           \
358                 .div_flags      = df,                           \
359                 .gate_offset    = go,                           \
360                 .gate_shift     = gs,                           \
361                 .gate_flags     = gf,                           \
362         }
363
364 #define COMPOSITE_NOMUX_DIVTBL(_id, cname, pname, f, mo, ds, dw,\
365                                df, dt, go, gs, gf)              \
366         {                                                       \
367                 .id             = _id,                          \
368                 .branch_type    = branch_composite,             \
369                 .name           = cname,                        \
370                 .parent_names   = (const char *[]){ pname },    \
371                 .num_parents    = 1,                            \
372                 .flags          = f,                            \
373                 .muxdiv_offset  = mo,                           \
374                 .div_shift      = ds,                           \
375                 .div_width      = dw,                           \
376                 .div_flags      = df,                           \
377                 .div_table      = dt,                           \
378                 .gate_offset    = go,                           \
379                 .gate_shift     = gs,                           \
380                 .gate_flags     = gf,                           \
381         }
382
383 #define COMPOSITE_NODIV(_id, cname, pnames, f, mo, ms, mw, mf,  \
384                         go, gs, gf)                             \
385         {                                                       \
386                 .id             = _id,                          \
387                 .branch_type    = branch_composite,             \
388                 .name           = cname,                        \
389                 .parent_names   = pnames,                       \
390                 .num_parents    = ARRAY_SIZE(pnames),           \
391                 .flags          = f,                            \
392                 .muxdiv_offset  = mo,                           \
393                 .mux_shift      = ms,                           \
394                 .mux_width      = mw,                           \
395                 .mux_flags      = mf,                           \
396                 .gate_offset    = go,                           \
397                 .gate_shift     = gs,                           \
398                 .gate_flags     = gf,                           \
399         }
400
401 #define COMPOSITE_NOGATE(_id, cname, pnames, f, mo, ms, mw, mf, \
402                          ds, dw, df)                            \
403         {                                                       \
404                 .id             = _id,                          \
405                 .branch_type    = branch_composite,             \
406                 .name           = cname,                        \
407                 .parent_names   = pnames,                       \
408                 .num_parents    = ARRAY_SIZE(pnames),           \
409                 .flags          = f,                            \
410                 .muxdiv_offset  = mo,                           \
411                 .mux_shift      = ms,                           \
412                 .mux_width      = mw,                           \
413                 .mux_flags      = mf,                           \
414                 .div_shift      = ds,                           \
415                 .div_width      = dw,                           \
416                 .div_flags      = df,                           \
417                 .gate_offset    = -1,                           \
418         }
419
420 #define COMPOSITE_NOGATE_DIVTBL(_id, cname, pnames, f, mo, ms,  \
421                                 mw, mf, ds, dw, df, dt)         \
422         {                                                       \
423                 .id             = _id,                          \
424                 .branch_type    = branch_composite,             \
425                 .name           = cname,                        \
426                 .parent_names   = pnames,                       \
427                 .num_parents    = ARRAY_SIZE(pnames),           \
428                 .flags          = f,                            \
429                 .muxdiv_offset  = mo,                           \
430                 .mux_shift      = ms,                           \
431                 .mux_width      = mw,                           \
432                 .mux_flags      = mf,                           \
433                 .div_shift      = ds,                           \
434                 .div_width      = dw,                           \
435                 .div_flags      = df,                           \
436                 .div_table      = dt,                           \
437                 .gate_offset    = -1,                           \
438         }
439
440 #define COMPOSITE_FRAC(_id, cname, pname, f, mo, df, go, gs, gf)\
441         {                                                       \
442                 .id             = _id,                          \
443                 .branch_type    = branch_fraction_divider,      \
444                 .name           = cname,                        \
445                 .parent_names   = (const char *[]){ pname },    \
446                 .num_parents    = 1,                            \
447                 .flags          = f,                            \
448                 .muxdiv_offset  = mo,                           \
449                 .div_shift      = 16,                           \
450                 .div_width      = 16,                           \
451                 .div_flags      = df,                           \
452                 .gate_offset    = go,                           \
453                 .gate_shift     = gs,                           \
454                 .gate_flags     = gf,                           \
455         }
456
457 #define COMPOSITE_FRACMUX(_id, cname, pname, f, mo, df, go, gs, gf, ch) \
458         {                                                       \
459                 .id             = _id,                          \
460                 .branch_type    = branch_fraction_divider,      \
461                 .name           = cname,                        \
462                 .parent_names   = (const char *[]){ pname },    \
463                 .num_parents    = 1,                            \
464                 .flags          = f,                            \
465                 .muxdiv_offset  = mo,                           \
466                 .div_shift      = 16,                           \
467                 .div_width      = 16,                           \
468                 .div_flags      = df,                           \
469                 .gate_offset    = go,                           \
470                 .gate_shift     = gs,                           \
471                 .gate_flags     = gf,                           \
472                 .child          = ch,                           \
473         }
474
475 #define COMPOSITE_FRACMUX_NOGATE(_id, cname, pname, f, mo, df, ch) \
476         {                                                       \
477                 .id             = _id,                          \
478                 .branch_type    = branch_fraction_divider,      \
479                 .name           = cname,                        \
480                 .parent_names   = (const char *[]){ pname },    \
481                 .num_parents    = 1,                            \
482                 .flags          = f,                            \
483                 .muxdiv_offset  = mo,                           \
484                 .div_shift      = 16,                           \
485                 .div_width      = 16,                           \
486                 .div_flags      = df,                           \
487                 .gate_offset    = -1,                           \
488                 .child          = ch,                           \
489         }
490
491 #define MUX(_id, cname, pnames, f, o, s, w, mf)                 \
492         {                                                       \
493                 .id             = _id,                          \
494                 .branch_type    = branch_mux,                   \
495                 .name           = cname,                        \
496                 .parent_names   = pnames,                       \
497                 .num_parents    = ARRAY_SIZE(pnames),           \
498                 .flags          = f,                            \
499                 .muxdiv_offset  = o,                            \
500                 .mux_shift      = s,                            \
501                 .mux_width      = w,                            \
502                 .mux_flags      = mf,                           \
503                 .gate_offset    = -1,                           \
504         }
505
506 #define DIV(_id, cname, pname, f, o, s, w, df)                  \
507         {                                                       \
508                 .id             = _id,                          \
509                 .branch_type    = branch_divider,               \
510                 .name           = cname,                        \
511                 .parent_names   = (const char *[]){ pname },    \
512                 .num_parents    = 1,                            \
513                 .flags          = f,                            \
514                 .muxdiv_offset  = o,                            \
515                 .div_shift      = s,                            \
516                 .div_width      = w,                            \
517                 .div_flags      = df,                           \
518                 .gate_offset    = -1,                           \
519         }
520
521 #define DIVTBL(_id, cname, pname, f, o, s, w, df, dt)           \
522         {                                                       \
523                 .id             = _id,                          \
524                 .branch_type    = branch_divider,               \
525                 .name           = cname,                        \
526                 .parent_names   = (const char *[]){ pname },    \
527                 .num_parents    = 1,                            \
528                 .flags          = f,                            \
529                 .muxdiv_offset  = o,                            \
530                 .div_shift      = s,                            \
531                 .div_width      = w,                            \
532                 .div_flags      = df,                           \
533                 .div_table      = dt,                           \
534         }
535
536 #define GATE(_id, cname, pname, f, o, b, gf)                    \
537         {                                                       \
538                 .id             = _id,                          \
539                 .branch_type    = branch_gate,                  \
540                 .name           = cname,                        \
541                 .parent_names   = (const char *[]){ pname },    \
542                 .num_parents    = 1,                            \
543                 .flags          = f,                            \
544                 .gate_offset    = o,                            \
545                 .gate_shift     = b,                            \
546                 .gate_flags     = gf,                           \
547         }
548
549 #define MMC(_id, cname, pname, offset, shift)                   \
550         {                                                       \
551                 .id             = _id,                          \
552                 .branch_type    = branch_mmc,                   \
553                 .name           = cname,                        \
554                 .parent_names   = (const char *[]){ pname },    \
555                 .num_parents    = 1,                            \
556                 .muxdiv_offset  = offset,                       \
557                 .div_shift      = shift,                        \
558         }
559
560 #define INVERTER(_id, cname, pname, io, is, if)                 \
561         {                                                       \
562                 .id             = _id,                          \
563                 .branch_type    = branch_inverter,              \
564                 .name           = cname,                        \
565                 .parent_names   = (const char *[]){ pname },    \
566                 .num_parents    = 1,                            \
567                 .muxdiv_offset  = io,                           \
568                 .div_shift      = is,                           \
569                 .div_flags      = if,                           \
570         }
571
572 #define FACTOR(_id, cname, pname,  f, fm, fd)                   \
573         {                                                       \
574                 .id             = _id,                          \
575                 .branch_type    = branch_factor,                \
576                 .name           = cname,                        \
577                 .parent_names   = (const char *[]){ pname },    \
578                 .num_parents    = 1,                            \
579                 .flags          = f,                            \
580                 .div_shift      = fm,                           \
581                 .div_width      = fd,                           \
582         }
583
584 #define FACTOR_GATE(_id, cname, pname,  f, fm, fd, go, gb, gf)  \
585         {                                                       \
586                 .id             = _id,                          \
587                 .branch_type    = branch_factor,                \
588                 .name           = cname,                        \
589                 .parent_names   = (const char *[]){ pname },    \
590                 .num_parents    = 1,                            \
591                 .flags          = f,                            \
592                 .div_shift      = fm,                           \
593                 .div_width      = fd,                           \
594                 .gate_offset    = go,                           \
595                 .gate_shift     = gb,                           \
596                 .gate_flags     = gf,                           \
597         }
598
599 struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np,
600                         void __iomem *base, unsigned long nr_clks);
601 void rockchip_clk_of_add_provider(struct device_node *np,
602                                 struct rockchip_clk_provider *ctx);
603 void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,
604                              struct clk *clk, unsigned int id);
605 void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
606                                     struct rockchip_clk_branch *list,
607                                     unsigned int nr_clk);
608 void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
609                                 struct rockchip_pll_clock *pll_list,
610                                 unsigned int nr_pll, int grf_lock_offset);
611 void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
612                         unsigned int lookup_id, const char *name,
613                         const char *const *parent_names, u8 num_parents,
614                         const struct rockchip_cpuclk_reg_data *reg_data,
615                         const struct rockchip_cpuclk_rate_table *rates,
616                         int nrates);
617 void rockchip_clk_protect_critical(const char *const clocks[], int nclocks);
618 void rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,
619                                         unsigned int reg, void (*cb)(void));
620
621 #define ROCKCHIP_SOFTRST_HIWORD_MASK    BIT(0)
622
623 #ifdef CONFIG_RESET_CONTROLLER
624 void rockchip_register_softrst(struct device_node *np,
625                                unsigned int num_regs,
626                                void __iomem *base, u8 flags);
627 #else
628 static inline void rockchip_register_softrst(struct device_node *np,
629                                unsigned int num_regs,
630                                void __iomem *base, u8 flags)
631 {
632 }
633 #endif
634
635 #endif