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 /* register positions shared by PX30, RV1108, RK2928, RK3036, RK3066, RK3188 and RK3228 */
38 #define BOOST_PLL_H_CON(x) ((x) * 0x4)
39 #define BOOST_CLK_CON 0x0008
40 #define BOOST_BOOST_CON 0x000c
41 #define BOOST_SWITCH_CNT 0x0010
42 #define BOOST_HIGH_PERF_CNT0 0x0014
43 #define BOOST_HIGH_PERF_CNT1 0x0018
44 #define BOOST_STATIS_THRESHOLD 0x001c
45 #define BOOST_SHORT_SWITCH_CNT 0x0020
46 #define BOOST_SWITCH_THRESHOLD 0x0024
47 #define BOOST_FSM_STATUS 0x0028
48 #define BOOST_PLL_L_CON(x) ((x) * 0x4 + 0x2c)
49 #define BOOST_RECOVERY_MASK 0x1
50 #define BOOST_RECOVERY_SHIFT 1
51 #define BOOST_SW_CTRL_MASK 0x1
52 #define BOOST_SW_CTRL_SHIFT 2
53 #define BOOST_LOW_FREQ_EN_MASK 0x1
54 #define BOOST_LOW_FREQ_EN_SHIFT 3
55 #define BOOST_BUSY_STATE BIT(8)
56
57 #define PX30_PLL_CON(x) ((x) * 0x4)
58 #define PX30_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
59 #define PX30_CLKGATE_CON(x) ((x) * 0x4 + 0x200)
60 #define PX30_GLB_SRST_FST 0xb8
61 #define PX30_GLB_SRST_SND 0xbc
62 #define PX30_SOFTRST_CON(x) ((x) * 0x4 + 0x300)
63 #define PX30_MODE_CON 0xa0
64 #define PX30_MISC_CON 0xa4
65 #define PX30_SDMMC_CON0 0x380
66 #define PX30_SDMMC_CON1 0x384
67 #define PX30_SDIO_CON0 0x388
68 #define PX30_SDIO_CON1 0x38c
69 #define PX30_EMMC_CON0 0x390
70 #define PX30_EMMC_CON1 0x394
71
72 #define PX30_PMU_PLL_CON(x) ((x) * 0x4)
73 #define PX30_PMU_CLKSEL_CON(x) ((x) * 0x4 + 0x40)
74 #define PX30_PMU_CLKGATE_CON(x) ((x) * 0x4 + 0x80)
75 #define PX30_PMU_MODE 0x0020
76
77 #define RV1108_PLL_CON(x) ((x) * 0x4)
78 #define RV1108_CLKSEL_CON(x) ((x) * 0x4 + 0x60)
79 #define RV1108_CLKGATE_CON(x) ((x) * 0x4 + 0x120)
80 #define RV1108_SOFTRST_CON(x) ((x) * 0x4 + 0x180)
81 #define RV1108_GLB_SRST_FST 0x1c0
82 #define RV1108_GLB_SRST_SND 0x1c4
83 #define RV1108_MISC_CON 0x1cc
84 #define RV1108_SDMMC_CON0 0x1d8
85 #define RV1108_SDMMC_CON1 0x1dc
86 #define RV1108_SDIO_CON0 0x1e0
87 #define RV1108_SDIO_CON1 0x1e4
88 #define RV1108_EMMC_CON0 0x1e8
89 #define RV1108_EMMC_CON1 0x1ec
90
91 #define RK2928_PLL_CON(x) ((x) * 0x4)
92 #define RK2928_MODE_CON 0x40
93 #define RK2928_CLKSEL_CON(x) ((x) * 0x4 + 0x44)
94 #define RK2928_CLKGATE_CON(x) ((x) * 0x4 + 0xd0)
95 #define RK2928_GLB_SRST_FST 0x100
96 #define RK2928_GLB_SRST_SND 0x104
97 #define RK2928_SOFTRST_CON(x) ((x) * 0x4 + 0x110)
98 #define RK2928_MISC_CON 0x134
99
100 #define RK3036_SDMMC_CON0 0x144
101 #define RK3036_SDMMC_CON1 0x148
102 #define RK3036_SDIO_CON0 0x14c
103 #define RK3036_SDIO_CON1 0x150
104 #define RK3036_EMMC_CON0 0x154
105 #define RK3036_EMMC_CON1 0x158
106
107 #define RK3228_GLB_SRST_FST 0x1f0
108 #define RK3228_GLB_SRST_SND 0x1f4
109 #define RK3228_SDMMC_CON0 0x1c0
110 #define RK3228_SDMMC_CON1 0x1c4
111 #define RK3228_SDIO_CON0 0x1c8
112 #define RK3228_SDIO_CON1 0x1cc
113 #define RK3228_EMMC_CON0 0x1d8
114 #define RK3228_EMMC_CON1 0x1dc
115
116 #define RK3288_PLL_CON(x) RK2928_PLL_CON(x)
117 #define RK3288_MODE_CON 0x50
118 #define RK3288_CLKSEL_CON(x) ((x) * 0x4 + 0x60)
119 #define RK3288_CLKGATE_CON(x) ((x) * 0x4 + 0x160)
120 #define RK3288_GLB_SRST_FST 0x1b0
121 #define RK3288_GLB_SRST_SND 0x1b4
122 #define RK3288_SOFTRST_CON(x) ((x) * 0x4 + 0x1b8)
123 #define RK3288_MISC_CON 0x1e8
124 #define RK3288_SDMMC_CON0 0x200
125 #define RK3288_SDMMC_CON1 0x204
126 #define RK3288_SDIO0_CON0 0x208
127 #define RK3288_SDIO0_CON1 0x20c
128 #define RK3288_SDIO1_CON0 0x210
129 #define RK3288_SDIO1_CON1 0x214
130 #define RK3288_EMMC_CON0 0x218
131 #define RK3288_EMMC_CON1 0x21c
132
133 #define RK3328_PLL_CON(x) RK2928_PLL_CON(x)
134 #define RK3328_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
135 #define RK3328_CLKGATE_CON(x) ((x) * 0x4 + 0x200)
136 #define RK3328_GRFCLKSEL_CON(x) ((x) * 0x4 + 0x100)
137 #define RK3328_GLB_SRST_FST 0x9c
138 #define RK3328_GLB_SRST_SND 0x98
139 #define RK3328_SOFTRST_CON(x) ((x) * 0x4 + 0x300)
140 #define RK3328_MODE_CON 0x80
141 #define RK3328_MISC_CON 0x84
142 #define RK3328_SDMMC_CON0 0x380
143 #define RK3328_SDMMC_CON1 0x384
144 #define RK3328_SDIO_CON0 0x388
145 #define RK3328_SDIO_CON1 0x38c
146 #define RK3328_EMMC_CON0 0x390
147 #define RK3328_EMMC_CON1 0x394
148 #define RK3328_SDMMC_EXT_CON0 0x398
149 #define RK3328_SDMMC_EXT_CON1 0x39C
150
151 #define RK3368_PLL_CON(x) RK2928_PLL_CON(x)
152 #define RK3368_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
153 #define RK3368_CLKGATE_CON(x) ((x) * 0x4 + 0x200)
154 #define RK3368_GLB_SRST_FST 0x280
155 #define RK3368_GLB_SRST_SND 0x284
156 #define RK3368_SOFTRST_CON(x) ((x) * 0x4 + 0x300)
157 #define RK3368_MISC_CON 0x380
158 #define RK3368_SDMMC_CON0 0x400
159 #define RK3368_SDMMC_CON1 0x404
160 #define RK3368_SDIO0_CON0 0x408
161 #define RK3368_SDIO0_CON1 0x40c
162 #define RK3368_SDIO1_CON0 0x410
163 #define RK3368_SDIO1_CON1 0x414
164 #define RK3368_EMMC_CON0 0x418
165 #define RK3368_EMMC_CON1 0x41c
166
167 #define RK3399_PLL_CON(x) RK2928_PLL_CON(x)
168 #define RK3399_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
169 #define RK3399_CLKGATE_CON(x) ((x) * 0x4 + 0x300)
170 #define RK3399_SOFTRST_CON(x) ((x) * 0x4 + 0x400)
171 #define RK3399_GLB_SRST_FST 0x500
172 #define RK3399_GLB_SRST_SND 0x504
173 #define RK3399_GLB_CNT_TH 0x508
174 #define RK3399_MISC_CON 0x50c
175 #define RK3399_RST_CON 0x510
176 #define RK3399_RST_ST 0x514
177 #define RK3399_SDMMC_CON0 0x580
178 #define RK3399_SDMMC_CON1 0x584
179 #define RK3399_SDIO_CON0 0x588
180 #define RK3399_SDIO_CON1 0x58c
181
182 #define RK3399_PMU_PLL_CON(x) RK2928_PLL_CON(x)
183 #define RK3399_PMU_CLKSEL_CON(x) ((x) * 0x4 + 0x80)
184 #define RK3399_PMU_CLKGATE_CON(x) ((x) * 0x4 + 0x100)
185 #define RK3399_PMU_SOFTRST_CON(x) ((x) * 0x4 + 0x110)
186
187 enum rockchip_pll_type {
188 pll_rk3036,
189 pll_rk3066,
190 pll_rk3328,
191 pll_rk3399,
192 };
193
194 #define RK3036_PLL_RATE(_rate, _refdiv, _fbdiv, _postdiv1, \
195 _postdiv2, _dsmpd, _frac) \
196 { \
197 .rate = _rate##U, \
198 .fbdiv = _fbdiv, \
199 .postdiv1 = _postdiv1, \
200 .refdiv = _refdiv, \
201 .postdiv2 = _postdiv2, \
202 .dsmpd = _dsmpd, \
203 .frac = _frac, \
204 }
205
206 #define RK3066_PLL_RATE(_rate, _nr, _nf, _no) \
207 { \
208 .rate = _rate##U, \
209 .nr = _nr, \
210 .nf = _nf, \
211 .no = _no, \
212 .nb = ((_nf) < 2) ? 1 : (_nf) >> 1, \
213 }
214
215 #define RK3066_PLL_RATE_NB(_rate, _nr, _nf, _no, _nb) \
216 { \
217 .rate = _rate##U, \
218 .nr = _nr, \
219 .nf = _nf, \
220 .no = _no, \
221 .nb = _nb, \
222 }
223
224 /**
225 * struct rockchip_clk_provider - information about clock provider
226 * @reg_base: virtual address for the register base.
227 * @clk_data: holds clock related data like clk* and number of clocks.
228 * @cru_node: device-node of the clock-provider
229 * @grf: regmap of the general-register-files syscon
230 * @lock: maintains exclusion between callbacks for a given clock-provider.
231 */
232 struct rockchip_clk_provider {
233 void __iomem *reg_base;
234 struct clk_onecell_data clk_data;
235 struct device_node *cru_node;
236 struct regmap *grf;
237 spinlock_t lock;
238 };
239
240 struct rockchip_pll_rate_table {
241 unsigned long rate;
242 unsigned int nr;
243 unsigned int nf;
244 unsigned int no;
245 unsigned int nb;
246 /* for RK3036/RK3399 */
247 unsigned int fbdiv;
248 unsigned int postdiv1;
249 unsigned int refdiv;
250 unsigned int postdiv2;
251 unsigned int dsmpd;
252 unsigned int frac;
253 };
254
255 /**
256 * struct rockchip_pll_clock - information about pll clock
257 * @id: platform specific id of the clock.
258 * @name: name of this pll clock.
259 * @parent_names: name of the parent clock.
260 * @num_parents: number of parents
261 * @flags: optional flags for basic clock.
262 * @con_offset: offset of the register for configuring the PLL.
263 * @mode_offset: offset of the register for configuring the PLL-mode.
264 * @mode_shift: offset inside the mode-register for the mode of this pll.
265 * @lock_shift: offset inside the lock register for the lock status.
266 * @type: Type of PLL to be registered.
267 * @pll_flags: hardware-specific flags
268 * @rate_table: Table of usable pll rates
269 *
270 * Flags:
271 * ROCKCHIP_PLL_SYNC_RATE - check rate parameters to match against the
272 * rate_table parameters and ajust them if necessary.
273 */
274 struct rockchip_pll_clock {
275 unsigned int id;
276 const char *name;
277 const char *const *parent_names;
278 u8 num_parents;
279 unsigned long flags;
280 int con_offset;
281 int mode_offset;
282 int mode_shift;
283 int lock_shift;
284 enum rockchip_pll_type type;
285 u8 pll_flags;
286 struct rockchip_pll_rate_table *rate_table;
287 };
288
289 #define ROCKCHIP_PLL_SYNC_RATE BIT(0)
290
291 #define PLL(_type, _id, _name, _pnames, _flags, _con, _mode, _mshift, \
292 _lshift, _pflags, _rtable) \
293 { \
294 .id = _id, \
295 .type = _type, \
296 .name = _name, \
297 .parent_names = _pnames, \
298 .num_parents = ARRAY_SIZE(_pnames), \
299 .flags = CLK_GET_RATE_NOCACHE | _flags, \
300 .con_offset = _con, \
301 .mode_offset = _mode, \
302 .mode_shift = _mshift, \
303 .lock_shift = _lshift, \
304 .pll_flags = _pflags, \
305 .rate_table = _rtable, \
306 }
307
308 struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx,
309 enum rockchip_pll_type pll_type,
310 const char *name, const char *const *parent_names,
311 u8 num_parents, int con_offset, int grf_lock_offset,
312 int lock_shift, int mode_offset, int mode_shift,
313 struct rockchip_pll_rate_table *rate_table,
314 unsigned long flags, u8 clk_pll_flags);
315
316 struct rockchip_cpuclk_clksel {
317 int reg;
318 u32 val;
319 };
320
321 #define ROCKCHIP_CPUCLK_NUM_DIVIDERS 2
322 struct rockchip_cpuclk_rate_table {
323 unsigned long prate;
324 struct rockchip_cpuclk_clksel divs[ROCKCHIP_CPUCLK_NUM_DIVIDERS];
325 };
326
327 /**
328 * struct rockchip_cpuclk_reg_data - register offsets and masks of the cpuclock
329 * @core_reg: register offset of the core settings register
330 * @div_core_shift: core divider offset used to divide the pll value
331 * @div_core_mask: core divider mask
332 * @mux_core_alt: mux value to select alternate parent
333 * @mux_core_main: mux value to select main parent of core
334 * @mux_core_shift: offset of the core multiplexer
335 * @mux_core_mask: core multiplexer mask
336 */
337 struct rockchip_cpuclk_reg_data {
338 int core_reg;
339 u8 div_core_shift;
340 u32 div_core_mask;
341 u8 mux_core_alt;
342 u8 mux_core_main;
343 u8 mux_core_shift;
344 u32 mux_core_mask;
345 };
346
347 struct clk *rockchip_clk_register_cpuclk(const char *name,
348 const char *const *parent_names, u8 num_parents,
349 const struct rockchip_cpuclk_reg_data *reg_data,
350 const struct rockchip_cpuclk_rate_table *rates,
351 int nrates, void __iomem *reg_base, spinlock_t *lock);
352
353 struct clk *rockchip_clk_register_mmc(const char *name,
354 const char *const *parent_names, u8 num_parents,
355 void __iomem *reg, int shift);
356
357 /*
358 * DDRCLK flags, including method of setting the rate
359 * ROCKCHIP_DDRCLK_SIP: use SIP call to bl31 to change ddrclk rate.
360 */
361 #define ROCKCHIP_DDRCLK_SIP BIT(0)
362
363 struct clk *rockchip_clk_register_ddrclk(const char *name, int flags,
364 const char *const *parent_names,
365 u8 num_parents, int mux_offset,
366 int mux_shift, int mux_width,
367 int div_shift, int div_width,
368 int ddr_flags, void __iomem *reg_base,
369 spinlock_t *lock);
370
371 #define ROCKCHIP_INVERTER_HIWORD_MASK BIT(0)
372
373 struct clk *rockchip_clk_register_inverter(const char *name,
374 const char *const *parent_names, u8 num_parents,
375 void __iomem *reg, int shift, int flags,
376 spinlock_t *lock);
377
378 struct clk *rockchip_clk_register_muxgrf(const char *name,
379 const char *const *parent_names, u8 num_parents,
380 int flags, struct regmap *grf, int reg,
381 int shift, int width, int mux_flags);
382
383 #define PNAME(x) static const char *const x[] __initconst
384
385 enum rockchip_clk_branch_type {
386 branch_composite,
387 branch_mux,
388 branch_muxgrf,
389 branch_divider,
390 branch_fraction_divider,
391 branch_gate,
392 branch_mmc,
393 branch_inverter,
394 branch_factor,
395 branch_ddrclk,
396 branch_half_divider,
397 };
398
399 struct rockchip_clk_branch {
400 unsigned int id;
401 enum rockchip_clk_branch_type branch_type;
402 const char *name;
403 const char *const *parent_names;
404 u8 num_parents;
405 unsigned long flags;
406 int muxdiv_offset;
407 u8 mux_shift;
408 u8 mux_width;
409 u8 mux_flags;
410 u8 div_shift;
411 u8 div_width;
412 u8 div_flags;
413 struct clk_div_table *div_table;
414 int gate_offset;
415 u8 gate_shift;
416 u8 gate_flags;
417 struct rockchip_clk_branch *child;
418 };
419
420 #define COMPOSITE(_id, cname, pnames, f, mo, ms, mw, mf, ds, dw,\
421 df, go, gs, gf) \
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 .gate_offset = go, \
437 .gate_shift = gs, \
438 .gate_flags = gf, \
439 }
440
441 #define COMPOSITE_NOMUX(_id, cname, pname, f, mo, ds, dw, df, \
442 go, gs, gf) \
443 { \
444 .id = _id, \
445 .branch_type = branch_composite, \
446 .name = cname, \
447 .parent_names = (const char *[]){ pname }, \
448 .num_parents = 1, \
449 .flags = f, \
450 .muxdiv_offset = mo, \
451 .div_shift = ds, \
452 .div_width = dw, \
453 .div_flags = df, \
454 .gate_offset = go, \
455 .gate_shift = gs, \
456 .gate_flags = gf, \
457 }
458
459 #define COMPOSITE_NOMUX_DIVTBL(_id, cname, pname, f, mo, ds, dw,\
460 df, dt, go, gs, gf) \
461 { \
462 .id = _id, \
463 .branch_type = branch_composite, \
464 .name = cname, \
465 .parent_names = (const char *[]){ pname }, \
466 .num_parents = 1, \
467 .flags = f, \
468 .muxdiv_offset = mo, \
469 .div_shift = ds, \
470 .div_width = dw, \
471 .div_flags = df, \
472 .div_table = dt, \
473 .gate_offset = go, \
474 .gate_shift = gs, \
475 .gate_flags = gf, \
476 }
477
478 #define COMPOSITE_NODIV(_id, cname, pnames, f, mo, ms, mw, mf, \
479 go, gs, gf) \
480 { \
481 .id = _id, \
482 .branch_type = branch_composite, \
483 .name = cname, \
484 .parent_names = pnames, \
485 .num_parents = ARRAY_SIZE(pnames), \
486 .flags = f, \
487 .muxdiv_offset = mo, \
488 .mux_shift = ms, \
489 .mux_width = mw, \
490 .mux_flags = mf, \
491 .gate_offset = go, \
492 .gate_shift = gs, \
493 .gate_flags = gf, \
494 }
495
496 #define COMPOSITE_NOGATE(_id, cname, pnames, f, mo, ms, mw, mf, \
497 ds, dw, df) \
498 { \
499 .id = _id, \
500 .branch_type = branch_composite, \
501 .name = cname, \
502 .parent_names = pnames, \
503 .num_parents = ARRAY_SIZE(pnames), \
504 .flags = f, \
505 .muxdiv_offset = mo, \
506 .mux_shift = ms, \
507 .mux_width = mw, \
508 .mux_flags = mf, \
509 .div_shift = ds, \
510 .div_width = dw, \
511 .div_flags = df, \
512 .gate_offset = -1, \
513 }
514
515 #define COMPOSITE_NOGATE_DIVTBL(_id, cname, pnames, f, mo, ms, \
516 mw, mf, ds, dw, df, dt) \
517 { \
518 .id = _id, \
519 .branch_type = branch_composite, \
520 .name = cname, \
521 .parent_names = pnames, \
522 .num_parents = ARRAY_SIZE(pnames), \
523 .flags = f, \
524 .muxdiv_offset = mo, \
525 .mux_shift = ms, \
526 .mux_width = mw, \
527 .mux_flags = mf, \
528 .div_shift = ds, \
529 .div_width = dw, \
530 .div_flags = df, \
531 .div_table = dt, \
532 .gate_offset = -1, \
533 }
534
535 #define COMPOSITE_FRAC(_id, cname, pname, f, mo, df, go, gs, gf)\
536 { \
537 .id = _id, \
538 .branch_type = branch_fraction_divider, \
539 .name = cname, \
540 .parent_names = (const char *[]){ pname }, \
541 .num_parents = 1, \
542 .flags = f, \
543 .muxdiv_offset = mo, \
544 .div_shift = 16, \
545 .div_width = 16, \
546 .div_flags = df, \
547 .gate_offset = go, \
548 .gate_shift = gs, \
549 .gate_flags = gf, \
550 }
551
552 #define COMPOSITE_FRACMUX(_id, cname, pname, f, mo, df, go, gs, gf, ch) \
553 { \
554 .id = _id, \
555 .branch_type = branch_fraction_divider, \
556 .name = cname, \
557 .parent_names = (const char *[]){ pname }, \
558 .num_parents = 1, \
559 .flags = f, \
560 .muxdiv_offset = mo, \
561 .div_shift = 16, \
562 .div_width = 16, \
563 .div_flags = df, \
564 .gate_offset = go, \
565 .gate_shift = gs, \
566 .gate_flags = gf, \
567 .child = ch, \
568 }
569
570 #define COMPOSITE_FRACMUX_NOGATE(_id, cname, pname, f, mo, df, ch) \
571 { \
572 .id = _id, \
573 .branch_type = branch_fraction_divider, \
574 .name = cname, \
575 .parent_names = (const char *[]){ pname }, \
576 .num_parents = 1, \
577 .flags = f, \
578 .muxdiv_offset = mo, \
579 .div_shift = 16, \
580 .div_width = 16, \
581 .div_flags = df, \
582 .gate_offset = -1, \
583 .child = ch, \
584 }
585
586 #define COMPOSITE_DDRCLK(_id, cname, pnames, f, mo, ms, mw, \
587 ds, dw, df) \
588 { \
589 .id = _id, \
590 .branch_type = branch_ddrclk, \
591 .name = cname, \
592 .parent_names = pnames, \
593 .num_parents = ARRAY_SIZE(pnames), \
594 .flags = f, \
595 .muxdiv_offset = mo, \
596 .mux_shift = ms, \
597 .mux_width = mw, \
598 .div_shift = ds, \
599 .div_width = dw, \
600 .div_flags = df, \
601 .gate_offset = -1, \
602 }
603
604 #define MUX(_id, cname, pnames, f, o, s, w, mf) \
605 { \
606 .id = _id, \
607 .branch_type = branch_mux, \
608 .name = cname, \
609 .parent_names = pnames, \
610 .num_parents = ARRAY_SIZE(pnames), \
611 .flags = f, \
612 .muxdiv_offset = o, \
613 .mux_shift = s, \
614 .mux_width = w, \
615 .mux_flags = mf, \
616 .gate_offset = -1, \
617 }
618
619 #define MUXGRF(_id, cname, pnames, f, o, s, w, mf) \
620 { \
621 .id = _id, \
622 .branch_type = branch_muxgrf, \
623 .name = cname, \
624 .parent_names = pnames, \
625 .num_parents = ARRAY_SIZE(pnames), \
626 .flags = f, \
627 .muxdiv_offset = o, \
628 .mux_shift = s, \
629 .mux_width = w, \
630 .mux_flags = mf, \
631 .gate_offset = -1, \
632 }
633
634 #define DIV(_id, cname, pname, f, o, s, w, df) \
635 { \
636 .id = _id, \
637 .branch_type = branch_divider, \
638 .name = cname, \
639 .parent_names = (const char *[]){ pname }, \
640 .num_parents = 1, \
641 .flags = f, \
642 .muxdiv_offset = o, \
643 .div_shift = s, \
644 .div_width = w, \
645 .div_flags = df, \
646 .gate_offset = -1, \
647 }
648
649 #define DIVTBL(_id, cname, pname, f, o, s, w, df, dt) \
650 { \
651 .id = _id, \
652 .branch_type = branch_divider, \
653 .name = cname, \
654 .parent_names = (const char *[]){ pname }, \
655 .num_parents = 1, \
656 .flags = f, \
657 .muxdiv_offset = o, \
658 .div_shift = s, \
659 .div_width = w, \
660 .div_flags = df, \
661 .div_table = dt, \
662 }
663
664 #define GATE(_id, cname, pname, f, o, b, gf) \
665 { \
666 .id = _id, \
667 .branch_type = branch_gate, \
668 .name = cname, \
669 .parent_names = (const char *[]){ pname }, \
670 .num_parents = 1, \
671 .flags = f, \
672 .gate_offset = o, \
673 .gate_shift = b, \
674 .gate_flags = gf, \
675 }
676
677 #define MMC(_id, cname, pname, offset, shift) \
678 { \
679 .id = _id, \
680 .branch_type = branch_mmc, \
681 .name = cname, \
682 .parent_names = (const char *[]){ pname }, \
683 .num_parents = 1, \
684 .muxdiv_offset = offset, \
685 .div_shift = shift, \
686 }
687
688 #define INVERTER(_id, cname, pname, io, is, if) \
689 { \
690 .id = _id, \
691 .branch_type = branch_inverter, \
692 .name = cname, \
693 .parent_names = (const char *[]){ pname }, \
694 .num_parents = 1, \
695 .muxdiv_offset = io, \
696 .div_shift = is, \
697 .div_flags = if, \
698 }
699
700 #define FACTOR(_id, cname, pname, f, fm, fd) \
701 { \
702 .id = _id, \
703 .branch_type = branch_factor, \
704 .name = cname, \
705 .parent_names = (const char *[]){ pname }, \
706 .num_parents = 1, \
707 .flags = f, \
708 .div_shift = fm, \
709 .div_width = fd, \
710 }
711
712 #define FACTOR_GATE(_id, cname, pname, f, fm, fd, go, gb, gf) \
713 { \
714 .id = _id, \
715 .branch_type = branch_factor, \
716 .name = cname, \
717 .parent_names = (const char *[]){ pname }, \
718 .num_parents = 1, \
719 .flags = f, \
720 .div_shift = fm, \
721 .div_width = fd, \
722 .gate_offset = go, \
723 .gate_shift = gb, \
724 .gate_flags = gf, \
725 }
726
727 #define COMPOSITE_HALFDIV(_id, cname, pnames, f, mo, ms, mw, mf, ds, dw,\
728 df, go, gs, gf) \
729 { \
730 .id = _id, \
731 .branch_type = branch_half_divider, \
732 .name = cname, \
733 .parent_names = pnames, \
734 .num_parents = ARRAY_SIZE(pnames), \
735 .flags = f, \
736 .muxdiv_offset = mo, \
737 .mux_shift = ms, \
738 .mux_width = mw, \
739 .mux_flags = mf, \
740 .div_shift = ds, \
741 .div_width = dw, \
742 .div_flags = df, \
743 .gate_offset = go, \
744 .gate_shift = gs, \
745 .gate_flags = gf, \
746 }
747
748 #define COMPOSITE_NOGATE_HALFDIV(_id, cname, pnames, f, mo, ms, mw, mf, \
749 ds, dw, df) \
750 { \
751 .id = _id, \
752 .branch_type = branch_half_divider, \
753 .name = cname, \
754 .parent_names = pnames, \
755 .num_parents = ARRAY_SIZE(pnames), \
756 .flags = f, \
757 .muxdiv_offset = mo, \
758 .mux_shift = ms, \
759 .mux_width = mw, \
760 .mux_flags = mf, \
761 .div_shift = ds, \
762 .div_width = dw, \
763 .div_flags = df, \
764 .gate_offset = -1, \
765 }
766
767 #define COMPOSITE_NOMUX_HALFDIV(_id, cname, pname, f, mo, ds, dw, df, \
768 go, gs, gf) \
769 { \
770 .id = _id, \
771 .branch_type = branch_half_divider, \
772 .name = cname, \
773 .parent_names = (const char *[]){ pname }, \
774 .num_parents = 1, \
775 .flags = f, \
776 .muxdiv_offset = mo, \
777 .div_shift = ds, \
778 .div_width = dw, \
779 .div_flags = df, \
780 .gate_offset = go, \
781 .gate_shift = gs, \
782 .gate_flags = gf, \
783 }
784
785 #define DIV_HALF(_id, cname, pname, f, o, s, w, df) \
786 { \
787 .id = _id, \
788 .branch_type = branch_half_divider, \
789 .name = cname, \
790 .parent_names = (const char *[]){ pname }, \
791 .num_parents = 1, \
792 .flags = f, \
793 .muxdiv_offset = o, \
794 .div_shift = s, \
795 .div_width = w, \
796 .div_flags = df, \
797 .gate_offset = -1, \
798 }
799
800 struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np,
801 void __iomem *base, unsigned long nr_clks);
802 void rockchip_clk_of_add_provider(struct device_node *np,
803 struct rockchip_clk_provider *ctx);
804 void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,
805 struct clk *clk, unsigned int id);
806 void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
807 struct rockchip_clk_branch *list,
808 unsigned int nr_clk);
809 void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
810 struct rockchip_pll_clock *pll_list,
811 unsigned int nr_pll, int grf_lock_offset);
812 void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
813 unsigned int lookup_id, const char *name,
814 const char *const *parent_names, u8 num_parents,
815 const struct rockchip_cpuclk_reg_data *reg_data,
816 const struct rockchip_cpuclk_rate_table *rates,
817 int nrates);
818 void rockchip_clk_protect_critical(const char *const clocks[], int nclocks);
819 void rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,
820 unsigned int reg, void (*cb)(void));
821
822 #define ROCKCHIP_SOFTRST_HIWORD_MASK BIT(0)
823
824 struct clk *rockchip_clk_register_halfdiv(const char *name,
825 const char *const *parent_names,
826 u8 num_parents, void __iomem *base,
827 int muxdiv_offset, u8 mux_shift,
828 u8 mux_width, u8 mux_flags,
829 u8 div_shift, u8 div_width,
830 u8 div_flags, int gate_offset,
831 u8 gate_shift, u8 gate_flags,
832 unsigned long flags,
833 spinlock_t *lock);
834
835 #ifdef CONFIG_RESET_CONTROLLER
836 void rockchip_register_softrst(struct device_node *np,
837 unsigned int num_regs,
838 void __iomem *base, u8 flags);
839 #else
rockchip_register_softrst(struct device_node * np,unsigned int num_regs,void __iomem * base,u8 flags)840 static inline void rockchip_register_softrst(struct device_node *np,
841 unsigned int num_regs,
842 void __iomem *base, u8 flags)
843 {
844 }
845 #endif
846
847 #endif
848