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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __MACH_IMX_CLK_H
3#define __MACH_IMX_CLK_H
4
5#include <linux/bits.h>
6#include <linux/spinlock.h>
7#include <linux/clk-provider.h>
8
9extern spinlock_t imx_ccm_lock;
10
11void imx_check_clocks(struct clk *clks[], unsigned int count);
12void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
13#ifndef MODULE
14void imx_register_uart_clocks(unsigned int clk_count);
15#else
16static inline void imx_register_uart_clocks(unsigned int clk_count)
17{
18}
19#endif
20void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn);
21void imx_unregister_clocks(struct clk *clks[], unsigned int count);
22void imx_unregister_hw_clocks(struct clk_hw *hws[], unsigned int count);
23
24extern void imx_cscmr1_fixup(u32 *val);
25
26enum imx_pllv1_type {
27 IMX_PLLV1_IMX1,
28 IMX_PLLV1_IMX21,
29 IMX_PLLV1_IMX25,
30 IMX_PLLV1_IMX27,
31 IMX_PLLV1_IMX31,
32 IMX_PLLV1_IMX35,
33};
34
35enum imx_sscg_pll_type {
36 SCCG_PLL1,
37 SCCG_PLL2,
38};
39
40enum imx_pll14xx_type {
41 PLL_1416X,
42 PLL_1443X,
43};
44
45/* NOTE: Rate table should be kept sorted in descending order. */
46struct imx_pll14xx_rate_table {
47 unsigned int rate;
48 unsigned int pdiv;
49 unsigned int mdiv;
50 unsigned int sdiv;
51 unsigned int kdiv;
52};
53
54struct imx_pll14xx_clk {
55 enum imx_pll14xx_type type;
56 const struct imx_pll14xx_rate_table *rate_table;
57 int rate_count;
58 int flags;
59};
60
61extern struct imx_pll14xx_clk imx_1416x_pll;
62extern struct imx_pll14xx_clk imx_1443x_pll;
63extern struct imx_pll14xx_clk imx_1443x_dram_pll;
64
65#define imx_clk_cpu(name, parent_name, div, mux, pll, step) \
66 to_clk(imx_clk_hw_cpu(name, parent_name, div, mux, pll, step))
67
68#define clk_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
69 cgr_val, cgr_mask, clk_gate_flags, lock, share_count) \
70 to_clk(clk_hw_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
71 cgr_val, cgr_mask, clk_gate_flags, lock, share_count))
72
73#define imx_clk_pllv3(type, name, parent_name, base, div_mask) \
74 to_clk(imx_clk_hw_pllv3(type, name, parent_name, base, div_mask))
75
76#define imx_clk_pfd(name, parent_name, reg, idx) \
77 to_clk(imx_clk_hw_pfd(name, parent_name, reg, idx))
78
79#define imx_clk_gate_exclusive(name, parent, reg, shift, exclusive_mask) \
80 to_clk(imx_clk_hw_gate_exclusive(name, parent, reg, shift, exclusive_mask))
81
82#define imx_clk_fixed(name, rate) \
83 to_clk(imx_clk_hw_fixed(name, rate))
84
85#define imx_clk_fixed_factor(name, parent, mult, div) \
86 to_clk(imx_clk_hw_fixed_factor(name, parent, mult, div))
87
88#define imx_clk_divider(name, parent, reg, shift, width) \
89 to_clk(imx_clk_hw_divider(name, parent, reg, shift, width))
90
91#define imx_clk_divider2(name, parent, reg, shift, width) \
92 to_clk(imx_clk_hw_divider2(name, parent, reg, shift, width))
93
94#define imx_clk_divider_flags(name, parent, reg, shift, width, flags) \
95 to_clk(imx_clk_hw_divider_flags(name, parent, reg, shift, width, flags))
96
97#define imx_clk_gate(name, parent, reg, shift) \
98 to_clk(imx_clk_hw_gate(name, parent, reg, shift))
99
100#define imx_clk_gate_dis(name, parent, reg, shift) \
101 to_clk(imx_clk_hw_gate_dis(name, parent, reg, shift))
102
103#define imx_clk_gate2(name, parent, reg, shift) \
104 to_clk(imx_clk_hw_gate2(name, parent, reg, shift))
105
106#define imx_clk_gate2_flags(name, parent, reg, shift, flags) \
107 to_clk(imx_clk_hw_gate2_flags(name, parent, reg, shift, flags))
108
109#define imx_clk_gate2_shared2(name, parent, reg, shift, share_count) \
110 to_clk(imx_clk_hw_gate2_shared2(name, parent, reg, shift, share_count))
111
112#define imx_clk_gate3(name, parent, reg, shift) \
113 to_clk(imx_clk_hw_gate3(name, parent, reg, shift))
114
115#define imx_clk_gate4(name, parent, reg, shift) \
116 to_clk(imx_clk_hw_gate4(name, parent, reg, shift))
117
118#define imx_clk_mux(name, reg, shift, width, parents, num_parents) \
119 to_clk(imx_clk_hw_mux(name, reg, shift, width, parents, num_parents))
120
121#define imx_clk_pllv1(type, name, parent, base) \
122 to_clk(imx_clk_hw_pllv1(type, name, parent, base))
123
124#define imx_clk_pllv2(name, parent, base) \
125 to_clk(imx_clk_hw_pllv2(name, parent, base))
126
127#define imx_clk_frac_pll(name, parent_name, base) \
128 to_clk(imx_clk_hw_frac_pll(name, parent_name, base))
129
130#define imx_clk_sscg_pll(name, parent_names, num_parents, parent,\
131 bypass1, bypass2, base, flags) \
132 to_clk(imx_clk_hw_sscg_pll(name, parent_names, num_parents, parent,\
133 bypass1, bypass2, base, flags))
134
135struct clk *imx_clk_pll14xx(const char *name, const char *parent_name,
136 void __iomem *base, const struct imx_pll14xx_clk *pll_clk);
137
138#define imx_clk_pll14xx(name, parent_name, base, pll_clk) \
139 to_clk(imx_clk_hw_pll14xx(name, parent_name, base, pll_clk))
140
141struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name,
142 const char *parent_name, void __iomem *base,
143 const struct imx_pll14xx_clk *pll_clk);
144
145struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char *name,
146 const char *parent, void __iomem *base);
147
148struct clk_hw *imx_clk_hw_pllv2(const char *name, const char *parent,
149 void __iomem *base);
150
151struct clk_hw *imx_clk_hw_frac_pll(const char *name, const char *parent_name,
152 void __iomem *base);
153
154struct clk_hw *imx_clk_hw_sscg_pll(const char *name,
155 const char * const *parent_names,
156 u8 num_parents,
157 u8 parent, u8 bypass1, u8 bypass2,
158 void __iomem *base,
159 unsigned long flags);
160
161enum imx_pllv3_type {
162 IMX_PLLV3_GENERIC,
163 IMX_PLLV3_SYS,
164 IMX_PLLV3_USB,
165 IMX_PLLV3_USB_VF610,
166 IMX_PLLV3_AV,
167 IMX_PLLV3_ENET,
168 IMX_PLLV3_ENET_IMX7,
169 IMX_PLLV3_SYS_VF610,
170 IMX_PLLV3_DDR_IMX7,
171 IMX_PLLV3_AV_IMX7,
172};
173
174struct clk_hw *imx_clk_hw_pllv3(enum imx_pllv3_type type, const char *name,
175 const char *parent_name, void __iomem *base, u32 div_mask);
176
177#define PLL_1416X_RATE(_rate, _m, _p, _s) \
178 { \
179 .rate = (_rate), \
180 .mdiv = (_m), \
181 .pdiv = (_p), \
182 .sdiv = (_s), \
183 }
184
185#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \
186 { \
187 .rate = (_rate), \
188 .mdiv = (_m), \
189 .pdiv = (_p), \
190 .sdiv = (_s), \
191 .kdiv = (_k), \
192 }
193
194struct clk_hw *imx_clk_hw_pllv4(const char *name, const char *parent_name,
195 void __iomem *base);
196
197struct clk_hw *clk_hw_register_gate2(struct device *dev, const char *name,
198 const char *parent_name, unsigned long flags,
199 void __iomem *reg, u8 bit_idx, u8 cgr_val, u8 cgr_mask,
200 u8 clk_gate_flags, spinlock_t *lock,
201 unsigned int *share_count);
202
203struct clk * imx_obtain_fixed_clock(
204 const char *name, unsigned long rate);
205
206struct clk_hw *imx_obtain_fixed_clock_hw(
207 const char *name, unsigned long rate);
208
209struct clk_hw *imx_obtain_fixed_clk_hw(struct device_node *np,
210 const char *name);
211
212struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent,
213 void __iomem *reg, u8 shift, u32 exclusive_mask);
214
215struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name,
216 void __iomem *reg, u8 idx);
217
218struct clk_hw *imx_clk_hw_pfdv2(const char *name, const char *parent_name,
219 void __iomem *reg, u8 idx);
220
221struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name,
222 void __iomem *reg, u8 shift, u8 width,
223 void __iomem *busy_reg, u8 busy_shift);
224
225struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift,
226 u8 width, void __iomem *busy_reg, u8 busy_shift,
227 const char * const *parent_names, int num_parents);
228
229struct clk_hw *imx7ulp_clk_hw_composite(const char *name,
230 const char * const *parent_names,
231 int num_parents, bool mux_present,
232 bool rate_present, bool gate_present,
233 void __iomem *reg);
234
235struct clk_hw *imx_clk_hw_fixup_divider(const char *name, const char *parent,
236 void __iomem *reg, u8 shift, u8 width,
237 void (*fixup)(u32 *val));
238
239struct clk_hw *imx_clk_hw_fixup_mux(const char *name, void __iomem *reg,
240 u8 shift, u8 width, const char * const *parents,
241 int num_parents, void (*fixup)(u32 *val));
242
243static inline struct clk *to_clk(struct clk_hw *hw)
244{
245 if (IS_ERR_OR_NULL(hw))
246 return ERR_CAST(hw);
247 return hw->clk;
248}
249
250static inline struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char *parent_name,
251 void __iomem *base,
252 const struct imx_pll14xx_clk *pll_clk)
253{
254 return imx_dev_clk_hw_pll14xx(NULL, name, parent_name, base, pll_clk);
255}
256
257static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate)
258{
259 return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate);
260}
261
262static inline struct clk_hw *imx_clk_hw_mux_ldb(const char *name, void __iomem *reg,
263 u8 shift, u8 width, const char * const *parents,
264 int num_parents)
265{
266 return clk_hw_register_mux(NULL, name, parents, num_parents,
267 CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, reg,
268 shift, width, CLK_MUX_READ_ONLY, &imx_ccm_lock);
269}
270
271static inline struct clk_hw *imx_clk_hw_fixed_factor(const char *name,
272 const char *parent, unsigned int mult, unsigned int div)
273{
274 return clk_hw_register_fixed_factor(NULL, name, parent,
275 CLK_SET_RATE_PARENT, mult, div);
276}
277
278static inline struct clk_hw *imx_clk_hw_divider(const char *name,
279 const char *parent,
280 void __iomem *reg, u8 shift,
281 u8 width)
282{
283 return clk_hw_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
284 reg, shift, width, 0, &imx_ccm_lock);
285}
286
287static inline struct clk_hw *imx_clk_hw_divider_flags(const char *name,
288 const char *parent,
289 void __iomem *reg, u8 shift,
290 u8 width, unsigned long flags)
291{
292 return clk_hw_register_divider(NULL, name, parent, flags,
293 reg, shift, width, 0, &imx_ccm_lock);
294}
295
296static inline struct clk_hw *imx_clk_hw_divider2(const char *name, const char *parent,
297 void __iomem *reg, u8 shift, u8 width)
298{
299 return clk_hw_register_divider(NULL, name, parent,
300 CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
301 reg, shift, width, 0, &imx_ccm_lock);
302}
303
304static inline struct clk *imx_clk_divider2_flags(const char *name,
305 const char *parent, void __iomem *reg, u8 shift, u8 width,
306 unsigned long flags)
307{
308 return clk_register_divider(NULL, name, parent,
309 flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
310 reg, shift, width, 0, &imx_ccm_lock);
311}
312
313static inline struct clk_hw *imx_clk_hw_gate_flags(const char *name, const char *parent,
314 void __iomem *reg, u8 shift, unsigned long flags)
315{
316 return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
317 shift, 0, &imx_ccm_lock);
318}
319
320static inline struct clk_hw *imx_clk_hw_gate(const char *name, const char *parent,
321 void __iomem *reg, u8 shift)
322{
323 return clk_hw_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
324 shift, 0, &imx_ccm_lock);
325}
326
327static inline struct clk_hw *imx_dev_clk_hw_gate(struct device *dev, const char *name,
328 const char *parent, void __iomem *reg, u8 shift)
329{
330 return clk_hw_register_gate(dev, name, parent, CLK_SET_RATE_PARENT, reg,
331 shift, 0, &imx_ccm_lock);
332}
333
334static inline struct clk_hw *imx_clk_hw_gate_dis(const char *name, const char *parent,
335 void __iomem *reg, u8 shift)
336{
337 return clk_hw_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
338 shift, CLK_GATE_SET_TO_DISABLE, &imx_ccm_lock);
339}
340
341static inline struct clk_hw *imx_clk_hw_gate_dis_flags(const char *name, const char *parent,
342 void __iomem *reg, u8 shift, unsigned long flags)
343{
344 return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
345 shift, CLK_GATE_SET_TO_DISABLE, &imx_ccm_lock);
346}
347
348static inline struct clk_hw *imx_clk_hw_gate2(const char *name, const char *parent,
349 void __iomem *reg, u8 shift)
350{
351 return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
352 shift, 0x3, 0x3, 0, &imx_ccm_lock, NULL);
353}
354
355static inline struct clk_hw *imx_clk_hw_gate2_flags(const char *name, const char *parent,
356 void __iomem *reg, u8 shift, unsigned long flags)
357{
358 return clk_hw_register_gate2(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
359 shift, 0x3, 0x3, 0, &imx_ccm_lock, NULL);
360}
361
362static inline struct clk_hw *imx_clk_hw_gate2_shared(const char *name,
363 const char *parent, void __iomem *reg, u8 shift,
364 unsigned int *share_count)
365{
366 return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
367 shift, 0x3, 0x3, 0, &imx_ccm_lock, share_count);
368}
369
370static inline struct clk_hw *imx_clk_hw_gate2_shared2(const char *name,
371 const char *parent, void __iomem *reg, u8 shift,
372 unsigned int *share_count)
373{
374 return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT |
375 CLK_OPS_PARENT_ENABLE, reg, shift, 0x3, 0x3, 0,
376 &imx_ccm_lock, share_count);
377}
378
379static inline struct clk_hw *imx_dev_clk_hw_gate_shared(struct device *dev,
380 const char *name, const char *parent,
381 void __iomem *reg, u8 shift,
382 unsigned int *share_count)
383{
384 return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT |
385 CLK_OPS_PARENT_ENABLE, reg, shift, 0x1,
386 0x1, 0, &imx_ccm_lock, share_count);
387}
388
389static inline struct clk *imx_clk_gate2_cgr(const char *name,
390 const char *parent, void __iomem *reg, u8 shift, u8 cgr_val)
391{
392 return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
393 shift, cgr_val, 0x3, 0, &imx_ccm_lock, NULL);
394}
395
396static inline struct clk_hw *imx_clk_hw_gate3(const char *name, const char *parent,
397 void __iomem *reg, u8 shift)
398{
399 return clk_hw_register_gate(NULL, name, parent,
400 CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
401 reg, shift, 0, &imx_ccm_lock);
402}
403
404static inline struct clk_hw *imx_clk_hw_gate3_flags(const char *name,
405 const char *parent, void __iomem *reg, u8 shift,
406 unsigned long flags)
407{
408 return clk_hw_register_gate(NULL, name, parent,
409 flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
410 reg, shift, 0, &imx_ccm_lock);
411}
412
413#define imx_clk_gate3_flags(name, parent, reg, shift, flags) \
414 to_clk(imx_clk_hw_gate3_flags(name, parent, reg, shift, flags))
415
416static inline struct clk_hw *imx_clk_hw_gate4(const char *name, const char *parent,
417 void __iomem *reg, u8 shift)
418{
419 return clk_hw_register_gate2(NULL, name, parent,
420 CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
421 reg, shift, 0x3, 0x3, 0, &imx_ccm_lock, NULL);
422}
423
424static inline struct clk_hw *imx_clk_hw_gate4_flags(const char *name,
425 const char *parent, void __iomem *reg, u8 shift,
426 unsigned long flags)
427{
428 return clk_hw_register_gate2(NULL, name, parent,
429 flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
430 reg, shift, 0x3, 0x3, 0, &imx_ccm_lock, NULL);
431}
432
433#define imx_clk_gate4_flags(name, parent, reg, shift, flags) \
434 to_clk(imx_clk_hw_gate4_flags(name, parent, reg, shift, flags))
435
436static inline struct clk_hw *imx_clk_hw_mux(const char *name, void __iomem *reg,
437 u8 shift, u8 width, const char * const *parents,
438 int num_parents)
439{
440 return clk_hw_register_mux(NULL, name, parents, num_parents,
441 CLK_SET_RATE_NO_REPARENT, reg, shift,
442 width, 0, &imx_ccm_lock);
443}
444
445static inline struct clk_hw *imx_dev_clk_hw_mux(struct device *dev,
446 const char *name, void __iomem *reg, u8 shift,
447 u8 width, const char * const *parents, int num_parents)
448{
449 return clk_hw_register_mux(dev, name, parents, num_parents,
450 CLK_SET_RATE_NO_REPARENT | CLK_SET_PARENT_GATE,
451 reg, shift, width, 0, &imx_ccm_lock);
452}
453
454static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg,
455 u8 shift, u8 width, const char * const *parents,
456 int num_parents)
457{
458 return clk_register_mux(NULL, name, parents, num_parents,
459 CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
460 reg, shift, width, 0, &imx_ccm_lock);
461}
462
463static inline struct clk_hw *imx_clk_hw_mux2(const char *name, void __iomem *reg,
464 u8 shift, u8 width,
465 const char * const *parents,
466 int num_parents)
467{
468 return clk_hw_register_mux(NULL, name, parents, num_parents,
469 CLK_SET_RATE_NO_REPARENT |
470 CLK_OPS_PARENT_ENABLE,
471 reg, shift, width, 0, &imx_ccm_lock);
472}
473
474static inline struct clk *imx_clk_mux_flags(const char *name,
475 void __iomem *reg, u8 shift, u8 width,
476 const char * const *parents, int num_parents,
477 unsigned long flags)
478{
479 return clk_register_mux(NULL, name, parents, num_parents,
480 flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
481 &imx_ccm_lock);
482}
483
484static inline struct clk_hw *imx_clk_hw_mux2_flags(const char *name,
485 void __iomem *reg, u8 shift, u8 width,
486 const char * const *parents,
487 int num_parents, unsigned long flags)
488{
489 return clk_hw_register_mux(NULL, name, parents, num_parents,
490 flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
491 reg, shift, width, 0, &imx_ccm_lock);
492}
493
494static inline struct clk *imx_clk_mux2_flags(const char *name,
495 void __iomem *reg, u8 shift, u8 width,
496 const char * const *parents,
497 int num_parents, unsigned long flags)
498{
499 return clk_register_mux(NULL, name, parents, num_parents,
500 flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
501 reg, shift, width, 0, &imx_ccm_lock);
502}
503
504static inline struct clk_hw *imx_clk_hw_mux_flags(const char *name,
505 void __iomem *reg, u8 shift,
506 u8 width,
507 const char * const *parents,
508 int num_parents,
509 unsigned long flags)
510{
511 return clk_hw_register_mux(NULL, name, parents, num_parents,
512 flags | CLK_SET_RATE_NO_REPARENT,
513 reg, shift, width, 0, &imx_ccm_lock);
514}
515
516static inline struct clk_hw *imx_dev_clk_hw_mux_flags(struct device *dev,
517 const char *name,
518 void __iomem *reg, u8 shift,
519 u8 width,
520 const char * const *parents,
521 int num_parents,
522 unsigned long flags)
523{
524 return clk_hw_register_mux(dev, name, parents, num_parents,
525 flags | CLK_SET_RATE_NO_REPARENT,
526 reg, shift, width, 0, &imx_ccm_lock);
527}
528
529struct clk_hw *imx_clk_hw_cpu(const char *name, const char *parent_name,
530 struct clk *div, struct clk *mux, struct clk *pll,
531 struct clk *step);
532
533#define IMX_COMPOSITE_CORE BIT(0)
534#define IMX_COMPOSITE_BUS BIT(1)
535#define IMX_COMPOSITE_FW_MANAGED BIT(2)
536
537struct clk_hw *imx8m_clk_hw_composite_flags(const char *name,
538 const char * const *parent_names,
539 int num_parents,
540 void __iomem *reg,
541 u32 composite_flags,
542 unsigned long flags);
543
544#define imx8m_clk_hw_composite_bus(name, parent_names, reg) \
545 imx8m_clk_hw_composite_flags(name, parent_names, \
546 ARRAY_SIZE(parent_names), reg, \
547 IMX_COMPOSITE_BUS, \
548 CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
549
550#define imx8m_clk_hw_composite_bus_critical(name, parent_names, reg) \
551 imx8m_clk_hw_composite_flags(name, parent_names, ARRAY_SIZE(parent_names), reg, \
552 IMX_COMPOSITE_BUS, \
553 CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE | CLK_IS_CRITICAL)
554
555#define imx8m_clk_hw_composite_core(name, parent_names, reg) \
556 imx8m_clk_hw_composite_flags(name, parent_names, \
557 ARRAY_SIZE(parent_names), reg, \
558 IMX_COMPOSITE_CORE, \
559 CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
560
561#define imx8m_clk_composite_flags(name, parent_names, num_parents, reg, \
562 flags) \
563 to_clk(imx8m_clk_hw_composite_flags(name, parent_names, \
564 num_parents, reg, 0, flags))
565
566#define __imx8m_clk_hw_composite(name, parent_names, reg, flags) \
567 imx8m_clk_hw_composite_flags(name, parent_names, \
568 ARRAY_SIZE(parent_names), reg, 0, \
569 flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
570
571#define __imx8m_clk_hw_fw_managed_composite(name, parent_names, reg, flags) \
572 imx8m_clk_hw_composite_flags(name, parent_names, \
573 ARRAY_SIZE(parent_names), reg, IMX_COMPOSITE_FW_MANAGED, \
574 flags | CLK_GET_RATE_NOCACHE | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
575
576#define imx8m_clk_hw_fw_managed_composite(name, parent_names, reg) \
577 __imx8m_clk_hw_fw_managed_composite(name, parent_names, reg, 0)
578
579#define imx8m_clk_hw_fw_managed_composite_critical(name, parent_names, reg) \
580 __imx8m_clk_hw_fw_managed_composite(name, parent_names, reg, CLK_IS_CRITICAL)
581
582#define __imx8m_clk_composite(name, parent_names, reg, flags) \
583 to_clk(__imx8m_clk_hw_composite(name, parent_names, reg, flags))
584
585#define imx8m_clk_hw_composite(name, parent_names, reg) \
586 __imx8m_clk_hw_composite(name, parent_names, reg, 0)
587
588#define imx8m_clk_composite(name, parent_names, reg) \
589 __imx8m_clk_composite(name, parent_names, reg, 0)
590
591#define imx8m_clk_hw_composite_critical(name, parent_names, reg) \
592 __imx8m_clk_hw_composite(name, parent_names, reg, CLK_IS_CRITICAL)
593
594#define imx8m_clk_composite_critical(name, parent_names, reg) \
595 __imx8m_clk_composite(name, parent_names, reg, CLK_IS_CRITICAL)
596
597struct clk_hw *imx_clk_hw_divider_gate(const char *name, const char *parent_name,
598 unsigned long flags, void __iomem *reg, u8 shift, u8 width,
599 u8 clk_divider_flags, const struct clk_div_table *table,
600 spinlock_t *lock);
601#endif
1#ifndef __MACH_IMX_CLK_H
2#define __MACH_IMX_CLK_H
3
4#include <linux/spinlock.h>
5#include <linux/clk-provider.h>
6
7extern spinlock_t imx_ccm_lock;
8
9void imx_check_clocks(struct clk *clks[], unsigned int count);
10void imx_register_uart_clocks(struct clk ** const clks[]);
11
12extern void imx_cscmr1_fixup(u32 *val);
13
14enum imx_pllv1_type {
15 IMX_PLLV1_IMX1,
16 IMX_PLLV1_IMX21,
17 IMX_PLLV1_IMX25,
18 IMX_PLLV1_IMX27,
19 IMX_PLLV1_IMX31,
20 IMX_PLLV1_IMX35,
21};
22
23struct clk *imx_clk_pllv1(enum imx_pllv1_type type, const char *name,
24 const char *parent, void __iomem *base);
25
26struct clk *imx_clk_pllv2(const char *name, const char *parent,
27 void __iomem *base);
28
29enum imx_pllv3_type {
30 IMX_PLLV3_GENERIC,
31 IMX_PLLV3_SYS,
32 IMX_PLLV3_USB,
33 IMX_PLLV3_USB_VF610,
34 IMX_PLLV3_AV,
35 IMX_PLLV3_ENET,
36 IMX_PLLV3_ENET_IMX7,
37};
38
39struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
40 const char *parent_name, void __iomem *base, u32 div_mask);
41
42struct clk *clk_register_gate2(struct device *dev, const char *name,
43 const char *parent_name, unsigned long flags,
44 void __iomem *reg, u8 bit_idx,
45 u8 clk_gate_flags, spinlock_t *lock,
46 unsigned int *share_count);
47
48struct clk * imx_obtain_fixed_clock(
49 const char *name, unsigned long rate);
50
51struct clk *imx_clk_gate_exclusive(const char *name, const char *parent,
52 void __iomem *reg, u8 shift, u32 exclusive_mask);
53
54static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
55 void __iomem *reg, u8 shift)
56{
57 return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
58 shift, 0, &imx_ccm_lock, NULL);
59}
60
61static inline struct clk *imx_clk_gate2_shared(const char *name,
62 const char *parent, void __iomem *reg, u8 shift,
63 unsigned int *share_count)
64{
65 return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
66 shift, 0, &imx_ccm_lock, share_count);
67}
68
69struct clk *imx_clk_pfd(const char *name, const char *parent_name,
70 void __iomem *reg, u8 idx);
71
72struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
73 void __iomem *reg, u8 shift, u8 width,
74 void __iomem *busy_reg, u8 busy_shift);
75
76struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
77 u8 width, void __iomem *busy_reg, u8 busy_shift,
78 const char **parent_names, int num_parents);
79
80struct clk *imx_clk_fixup_divider(const char *name, const char *parent,
81 void __iomem *reg, u8 shift, u8 width,
82 void (*fixup)(u32 *val));
83
84struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg,
85 u8 shift, u8 width, const char **parents,
86 int num_parents, void (*fixup)(u32 *val));
87
88static inline struct clk *imx_clk_fixed(const char *name, int rate)
89{
90 return clk_register_fixed_rate(NULL, name, NULL, 0, rate);
91}
92
93static inline struct clk *imx_clk_divider(const char *name, const char *parent,
94 void __iomem *reg, u8 shift, u8 width)
95{
96 return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
97 reg, shift, width, 0, &imx_ccm_lock);
98}
99
100static inline struct clk *imx_clk_divider_flags(const char *name,
101 const char *parent, void __iomem *reg, u8 shift, u8 width,
102 unsigned long flags)
103{
104 return clk_register_divider(NULL, name, parent, flags,
105 reg, shift, width, 0, &imx_ccm_lock);
106}
107
108static inline struct clk *imx_clk_gate(const char *name, const char *parent,
109 void __iomem *reg, u8 shift)
110{
111 return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
112 shift, 0, &imx_ccm_lock);
113}
114
115static inline struct clk *imx_clk_gate_dis(const char *name, const char *parent,
116 void __iomem *reg, u8 shift)
117{
118 return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
119 shift, CLK_GATE_SET_TO_DISABLE, &imx_ccm_lock);
120}
121
122static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
123 u8 shift, u8 width, const char **parents, int num_parents)
124{
125 return clk_register_mux(NULL, name, parents, num_parents,
126 CLK_SET_RATE_NO_REPARENT, reg, shift,
127 width, 0, &imx_ccm_lock);
128}
129
130static inline struct clk *imx_clk_mux_flags(const char *name,
131 void __iomem *reg, u8 shift, u8 width, const char **parents,
132 int num_parents, unsigned long flags)
133{
134 return clk_register_mux(NULL, name, parents, num_parents,
135 flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
136 &imx_ccm_lock);
137}
138
139static inline struct clk *imx_clk_fixed_factor(const char *name,
140 const char *parent, unsigned int mult, unsigned int div)
141{
142 return clk_register_fixed_factor(NULL, name, parent,
143 CLK_SET_RATE_PARENT, mult, div);
144}
145
146struct clk *imx_clk_cpu(const char *name, const char *parent_name,
147 struct clk *div, struct clk *mux, struct clk *pll,
148 struct clk *step);
149
150#endif