xref: /openbmc/linux/drivers/clk/imx/clk.h (revision 13dd8710)
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 
9 #define IMX_CLK_GATE2_SINGLE_BIT	1
10 
11 extern spinlock_t imx_ccm_lock;
12 
13 void imx_check_clocks(struct clk *clks[], unsigned int count);
14 void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
15 #ifndef MODULE
16 void imx_register_uart_clocks(struct clk ** const clks[]);
17 #else
18 static inline void imx_register_uart_clocks(struct clk ** const clks[])
19 {
20 }
21 #endif
22 void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn);
23 void imx_unregister_clocks(struct clk *clks[], unsigned int count);
24 void imx_unregister_hw_clocks(struct clk_hw *hws[], unsigned int count);
25 
26 extern void imx_cscmr1_fixup(u32 *val);
27 
28 enum imx_pllv1_type {
29 	IMX_PLLV1_IMX1,
30 	IMX_PLLV1_IMX21,
31 	IMX_PLLV1_IMX25,
32 	IMX_PLLV1_IMX27,
33 	IMX_PLLV1_IMX31,
34 	IMX_PLLV1_IMX35,
35 };
36 
37 enum imx_sscg_pll_type {
38 	SCCG_PLL1,
39 	SCCG_PLL2,
40 };
41 
42 enum imx_pll14xx_type {
43 	PLL_1416X,
44 	PLL_1443X,
45 };
46 
47 /* NOTE: Rate table should be kept sorted in descending order. */
48 struct imx_pll14xx_rate_table {
49 	unsigned int rate;
50 	unsigned int pdiv;
51 	unsigned int mdiv;
52 	unsigned int sdiv;
53 	unsigned int kdiv;
54 };
55 
56 struct imx_pll14xx_clk {
57 	enum imx_pll14xx_type type;
58 	const struct imx_pll14xx_rate_table *rate_table;
59 	int rate_count;
60 	int flags;
61 };
62 
63 extern struct imx_pll14xx_clk imx_1416x_pll;
64 extern struct imx_pll14xx_clk imx_1443x_pll;
65 extern struct imx_pll14xx_clk imx_1443x_dram_pll;
66 
67 #define imx_clk_cpu(name, parent_name, div, mux, pll, step) \
68 	to_clk(imx_clk_hw_cpu(name, parent_name, div, mux, pll, step))
69 
70 #define clk_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
71 				cgr_val, clk_gate_flags, lock, share_count) \
72 	to_clk(clk_hw_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
73 				cgr_val, clk_gate_flags, lock, share_count))
74 
75 #define imx_clk_pllv3(type, name, parent_name, base, div_mask) \
76 	to_clk(imx_clk_hw_pllv3(type, name, parent_name, base, div_mask))
77 
78 #define imx_clk_pfd(name, parent_name, reg, idx) \
79 	to_clk(imx_clk_hw_pfd(name, parent_name, reg, idx))
80 
81 #define imx_clk_gate_exclusive(name, parent, reg, shift, exclusive_mask) \
82 	to_clk(imx_clk_hw_gate_exclusive(name, parent, reg, shift, exclusive_mask))
83 
84 #define imx_clk_fixed(name, rate) \
85 	to_clk(imx_clk_hw_fixed(name, rate))
86 
87 #define imx_clk_fixed_factor(name, parent, mult, div) \
88 	to_clk(imx_clk_hw_fixed_factor(name, parent, mult, div))
89 
90 #define imx_clk_divider(name, parent, reg, shift, width) \
91 	to_clk(imx_clk_hw_divider(name, parent, reg, shift, width))
92 
93 #define imx_clk_divider2(name, parent, reg, shift, width) \
94 	to_clk(imx_clk_hw_divider2(name, parent, reg, shift, width))
95 
96 #define imx_clk_divider_flags(name, parent, reg, shift, width, flags) \
97 	to_clk(imx_clk_hw_divider_flags(name, parent, reg, shift, width, flags))
98 
99 #define imx_clk_gate(name, parent, reg, shift) \
100 	to_clk(imx_clk_hw_gate(name, parent, reg, shift))
101 
102 #define imx_clk_gate_dis(name, parent, reg, shift) \
103 	to_clk(imx_clk_hw_gate_dis(name, parent, reg, shift))
104 
105 #define imx_clk_gate2(name, parent, reg, shift) \
106 	to_clk(imx_clk_hw_gate2(name, parent, reg, shift))
107 
108 #define imx_clk_gate2_flags(name, parent, reg, shift, flags) \
109 	to_clk(imx_clk_hw_gate2_flags(name, parent, reg, shift, flags))
110 
111 #define imx_clk_gate2_shared2(name, parent, reg, shift, share_count) \
112 	to_clk(imx_clk_hw_gate2_shared2(name, parent, reg, shift, share_count))
113 
114 #define imx_clk_gate3(name, parent, reg, shift) \
115 	to_clk(imx_clk_hw_gate3(name, parent, reg, shift))
116 
117 #define imx_clk_gate4(name, parent, reg, shift) \
118 	to_clk(imx_clk_hw_gate4(name, parent, reg, shift))
119 
120 #define imx_clk_mux(name, reg, shift, width, parents, num_parents) \
121 	to_clk(imx_clk_hw_mux(name, reg, shift, width, parents, num_parents))
122 
123 #define imx_clk_pllv1(type, name, parent, base) \
124 	to_clk(imx_clk_hw_pllv1(type, name, parent, base))
125 
126 #define imx_clk_pllv2(name, parent, base) \
127 	to_clk(imx_clk_hw_pllv2(name, parent, base))
128 
129 #define imx_clk_frac_pll(name, parent_name, base) \
130 	to_clk(imx_clk_hw_frac_pll(name, parent_name, base))
131 
132 #define imx_clk_sscg_pll(name, parent_names, num_parents, parent,\
133 				bypass1, bypass2, base, flags) \
134 	to_clk(imx_clk_hw_sscg_pll(name, parent_names, num_parents, parent,\
135 				bypass1, bypass2, base, flags))
136 
137 struct clk *imx_clk_pll14xx(const char *name, const char *parent_name,
138 		 void __iomem *base, const struct imx_pll14xx_clk *pll_clk);
139 
140 #define imx_clk_pll14xx(name, parent_name, base, pll_clk) \
141 	to_clk(imx_clk_hw_pll14xx(name, parent_name, base, pll_clk))
142 
143 struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name,
144 				const char *parent_name, void __iomem *base,
145 				const struct imx_pll14xx_clk *pll_clk);
146 
147 struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char *name,
148 		const char *parent, void __iomem *base);
149 
150 struct clk_hw *imx_clk_hw_pllv2(const char *name, const char *parent,
151 		void __iomem *base);
152 
153 struct clk_hw *imx_clk_hw_frac_pll(const char *name, const char *parent_name,
154 			     void __iomem *base);
155 
156 struct clk_hw *imx_clk_hw_sscg_pll(const char *name,
157 				const char * const *parent_names,
158 				u8 num_parents,
159 				u8 parent, u8 bypass1, u8 bypass2,
160 				void __iomem *base,
161 				unsigned long flags);
162 
163 enum imx_pllv3_type {
164 	IMX_PLLV3_GENERIC,
165 	IMX_PLLV3_SYS,
166 	IMX_PLLV3_USB,
167 	IMX_PLLV3_USB_VF610,
168 	IMX_PLLV3_AV,
169 	IMX_PLLV3_ENET,
170 	IMX_PLLV3_ENET_IMX7,
171 	IMX_PLLV3_SYS_VF610,
172 	IMX_PLLV3_DDR_IMX7,
173 	IMX_PLLV3_AV_IMX7,
174 };
175 
176 struct clk_hw *imx_clk_hw_pllv3(enum imx_pllv3_type type, const char *name,
177 		const char *parent_name, void __iomem *base, u32 div_mask);
178 
179 #define PLL_1416X_RATE(_rate, _m, _p, _s)		\
180 	{						\
181 		.rate	=	(_rate),		\
182 		.mdiv	=	(_m),			\
183 		.pdiv	=	(_p),			\
184 		.sdiv	=	(_s),			\
185 	}
186 
187 #define PLL_1443X_RATE(_rate, _m, _p, _s, _k)		\
188 	{						\
189 		.rate	=	(_rate),		\
190 		.mdiv	=	(_m),			\
191 		.pdiv	=	(_p),			\
192 		.sdiv	=	(_s),			\
193 		.kdiv	=	(_k),			\
194 	}
195 
196 struct clk_hw *imx_clk_hw_pllv4(const char *name, const char *parent_name,
197 			     void __iomem *base);
198 
199 struct clk_hw *clk_hw_register_gate2(struct device *dev, const char *name,
200 		const char *parent_name, unsigned long flags,
201 		void __iomem *reg, u8 bit_idx, u8 cgr_val,
202 		u8 clk_gate_flags, spinlock_t *lock,
203 		unsigned int *share_count);
204 
205 struct clk * imx_obtain_fixed_clock(
206 			const char *name, unsigned long rate);
207 
208 struct clk_hw *imx_obtain_fixed_clock_hw(
209 			const char *name, unsigned long rate);
210 
211 struct clk_hw *imx_obtain_fixed_clk_hw(struct device_node *np,
212 				       const char *name);
213 
214 struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent,
215 	 void __iomem *reg, u8 shift, u32 exclusive_mask);
216 
217 struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name,
218 		void __iomem *reg, u8 idx);
219 
220 struct clk_hw *imx_clk_hw_pfdv2(const char *name, const char *parent_name,
221 			     void __iomem *reg, u8 idx);
222 
223 struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name,
224 				 void __iomem *reg, u8 shift, u8 width,
225 				 void __iomem *busy_reg, u8 busy_shift);
226 
227 struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift,
228 			     u8 width, void __iomem *busy_reg, u8 busy_shift,
229 			     const char * const *parent_names, int num_parents);
230 
231 struct clk_hw *imx7ulp_clk_hw_composite(const char *name,
232 				     const char * const *parent_names,
233 				     int num_parents, bool mux_present,
234 				     bool rate_present, bool gate_present,
235 				     void __iomem *reg);
236 
237 struct clk_hw *imx_clk_hw_fixup_divider(const char *name, const char *parent,
238 				  void __iomem *reg, u8 shift, u8 width,
239 				  void (*fixup)(u32 *val));
240 
241 struct clk_hw *imx_clk_hw_fixup_mux(const char *name, void __iomem *reg,
242 			      u8 shift, u8 width, const char * const *parents,
243 			      int num_parents, void (*fixup)(u32 *val));
244 
245 static inline struct clk *to_clk(struct clk_hw *hw)
246 {
247 	if (IS_ERR_OR_NULL(hw))
248 		return ERR_CAST(hw);
249 	return hw->clk;
250 }
251 
252 static inline struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char *parent_name,
253 				  void __iomem *base,
254 				  const struct imx_pll14xx_clk *pll_clk)
255 {
256 	return imx_dev_clk_hw_pll14xx(NULL, name, parent_name, base, pll_clk);
257 }
258 
259 static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate)
260 {
261 	return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate);
262 }
263 
264 static inline struct clk_hw *imx_clk_hw_mux_ldb(const char *name, void __iomem *reg,
265 			u8 shift, u8 width, const char * const *parents,
266 			int num_parents)
267 {
268 	return clk_hw_register_mux(NULL, name, parents, num_parents,
269 			CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, reg,
270 			shift, width, CLK_MUX_READ_ONLY, &imx_ccm_lock);
271 }
272 
273 static inline struct clk_hw *imx_clk_hw_fixed_factor(const char *name,
274 		const char *parent, unsigned int mult, unsigned int div)
275 {
276 	return clk_hw_register_fixed_factor(NULL, name, parent,
277 			CLK_SET_RATE_PARENT, mult, div);
278 }
279 
280 static inline struct clk_hw *imx_clk_hw_divider(const char *name,
281 						const char *parent,
282 						void __iomem *reg, u8 shift,
283 						u8 width)
284 {
285 	return clk_hw_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
286 				       reg, shift, width, 0, &imx_ccm_lock);
287 }
288 
289 static inline struct clk_hw *imx_clk_hw_divider_flags(const char *name,
290 						   const char *parent,
291 						   void __iomem *reg, u8 shift,
292 						   u8 width, unsigned long flags)
293 {
294 	return clk_hw_register_divider(NULL, name, parent, flags,
295 				       reg, shift, width, 0, &imx_ccm_lock);
296 }
297 
298 static inline struct clk_hw *imx_clk_hw_divider2(const char *name, const char *parent,
299 		void __iomem *reg, u8 shift, u8 width)
300 {
301 	return clk_hw_register_divider(NULL, name, parent,
302 			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
303 			reg, shift, width, 0, &imx_ccm_lock);
304 }
305 
306 static inline struct clk *imx_clk_divider2_flags(const char *name,
307 		const char *parent, void __iomem *reg, u8 shift, u8 width,
308 		unsigned long flags)
309 {
310 	return clk_register_divider(NULL, name, parent,
311 			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
312 			reg, shift, width, 0, &imx_ccm_lock);
313 }
314 
315 static inline struct clk_hw *imx_clk_hw_gate_flags(const char *name, const char *parent,
316 		void __iomem *reg, u8 shift, unsigned long flags)
317 {
318 	return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
319 			shift, 0, &imx_ccm_lock);
320 }
321 
322 static inline struct clk_hw *imx_clk_hw_gate(const char *name, const char *parent,
323 					     void __iomem *reg, u8 shift)
324 {
325 	return clk_hw_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
326 				    shift, 0, &imx_ccm_lock);
327 }
328 
329 static inline struct clk_hw *imx_dev_clk_hw_gate(struct device *dev, const char *name,
330 						const char *parent, void __iomem *reg, u8 shift)
331 {
332 	return clk_hw_register_gate(dev, name, parent, CLK_SET_RATE_PARENT, reg,
333 				    shift, 0, &imx_ccm_lock);
334 }
335 
336 static inline struct clk_hw *imx_clk_hw_gate_dis(const char *name, const char *parent,
337 		void __iomem *reg, u8 shift)
338 {
339 	return clk_hw_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
340 			shift, CLK_GATE_SET_TO_DISABLE, &imx_ccm_lock);
341 }
342 
343 static inline struct clk_hw *imx_clk_hw_gate_dis_flags(const char *name, const char *parent,
344 		void __iomem *reg, u8 shift, unsigned long flags)
345 {
346 	return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
347 			shift, CLK_GATE_SET_TO_DISABLE, &imx_ccm_lock);
348 }
349 
350 static inline struct clk_hw *imx_clk_hw_gate2(const char *name, const char *parent,
351 		void __iomem *reg, u8 shift)
352 {
353 	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
354 			shift, 0x3, 0, &imx_ccm_lock, NULL);
355 }
356 
357 static inline struct clk_hw *imx_clk_hw_gate2_flags(const char *name, const char *parent,
358 		void __iomem *reg, u8 shift, unsigned long flags)
359 {
360 	return clk_hw_register_gate2(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
361 			shift, 0x3, 0, &imx_ccm_lock, NULL);
362 }
363 
364 static inline struct clk_hw *imx_clk_hw_gate2_shared(const char *name,
365 		const char *parent, void __iomem *reg, u8 shift,
366 		unsigned int *share_count)
367 {
368 	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
369 			shift, 0x3, 0, &imx_ccm_lock, share_count);
370 }
371 
372 static inline struct clk_hw *imx_clk_hw_gate2_shared2(const char *name,
373 		const char *parent, void __iomem *reg, u8 shift,
374 		unsigned int *share_count)
375 {
376 	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT |
377 				  CLK_OPS_PARENT_ENABLE, reg, shift, 0x3, 0,
378 				  &imx_ccm_lock, share_count);
379 }
380 
381 static inline struct clk_hw *imx_dev_clk_hw_gate_shared(struct device *dev,
382 				const char *name, const char *parent,
383 				void __iomem *reg, u8 shift,
384 				unsigned int *share_count)
385 {
386 	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT |
387 					CLK_OPS_PARENT_ENABLE, reg, shift, 0x3,
388 					IMX_CLK_GATE2_SINGLE_BIT,
389 					&imx_ccm_lock, share_count);
390 }
391 
392 static inline struct clk *imx_clk_gate2_cgr(const char *name,
393 		const char *parent, void __iomem *reg, u8 shift, u8 cgr_val)
394 {
395 	return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
396 			shift, cgr_val, 0, &imx_ccm_lock, NULL);
397 }
398 
399 static inline struct clk_hw *imx_clk_hw_gate3(const char *name, const char *parent,
400 		void __iomem *reg, u8 shift)
401 {
402 	return clk_hw_register_gate(NULL, name, parent,
403 			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
404 			reg, shift, 0, &imx_ccm_lock);
405 }
406 
407 static inline struct clk_hw *imx_clk_hw_gate3_flags(const char *name,
408 		const char *parent, void __iomem *reg, u8 shift,
409 		unsigned long flags)
410 {
411 	return clk_hw_register_gate(NULL, name, parent,
412 			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
413 			reg, shift, 0, &imx_ccm_lock);
414 }
415 
416 #define imx_clk_gate3_flags(name, parent, reg, shift, flags) \
417 	to_clk(imx_clk_hw_gate3_flags(name, parent, reg, shift, flags))
418 
419 static inline struct clk_hw *imx_clk_hw_gate4(const char *name, const char *parent,
420 		void __iomem *reg, u8 shift)
421 {
422 	return clk_hw_register_gate2(NULL, name, parent,
423 			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
424 			reg, shift, 0x3, 0, &imx_ccm_lock, NULL);
425 }
426 
427 static inline struct clk_hw *imx_clk_hw_gate4_flags(const char *name,
428 		const char *parent, void __iomem *reg, u8 shift,
429 		unsigned long flags)
430 {
431 	return clk_hw_register_gate2(NULL, name, parent,
432 			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
433 			reg, shift, 0x3, 0, &imx_ccm_lock, NULL);
434 }
435 
436 #define imx_clk_gate4_flags(name, parent, reg, shift, flags) \
437 	to_clk(imx_clk_hw_gate4_flags(name, parent, reg, shift, flags))
438 
439 static inline struct clk_hw *imx_clk_hw_mux(const char *name, void __iomem *reg,
440 			u8 shift, u8 width, const char * const *parents,
441 			int num_parents)
442 {
443 	return clk_hw_register_mux(NULL, name, parents, num_parents,
444 			CLK_SET_RATE_NO_REPARENT, reg, shift,
445 			width, 0, &imx_ccm_lock);
446 }
447 
448 static inline struct clk_hw *imx_dev_clk_hw_mux(struct device *dev,
449 			const char *name, void __iomem *reg, u8 shift,
450 			u8 width, const char * const *parents, int num_parents)
451 {
452 	return clk_hw_register_mux(dev, name, parents, num_parents,
453 			CLK_SET_RATE_NO_REPARENT | CLK_SET_PARENT_GATE,
454 			reg, shift, width, 0, &imx_ccm_lock);
455 }
456 
457 static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg,
458 			u8 shift, u8 width, const char * const *parents,
459 			int num_parents)
460 {
461 	return clk_register_mux(NULL, name, parents, num_parents,
462 			CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
463 			reg, shift, width, 0, &imx_ccm_lock);
464 }
465 
466 static inline struct clk_hw *imx_clk_hw_mux2(const char *name, void __iomem *reg,
467 					     u8 shift, u8 width,
468 					     const char * const *parents,
469 					     int num_parents)
470 {
471 	return clk_hw_register_mux(NULL, name, parents, num_parents,
472 				   CLK_SET_RATE_NO_REPARENT |
473 				   CLK_OPS_PARENT_ENABLE,
474 				   reg, shift, width, 0, &imx_ccm_lock);
475 }
476 
477 static inline struct clk *imx_clk_mux_flags(const char *name,
478 			void __iomem *reg, u8 shift, u8 width,
479 			const char * const *parents, int num_parents,
480 			unsigned long flags)
481 {
482 	return clk_register_mux(NULL, name, parents, num_parents,
483 			flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
484 			&imx_ccm_lock);
485 }
486 
487 static inline struct clk_hw *imx_clk_hw_mux2_flags(const char *name,
488 		void __iomem *reg, u8 shift, u8 width,
489 		const char * const *parents,
490 		int num_parents, unsigned long flags)
491 {
492 	return clk_hw_register_mux(NULL, name, parents, num_parents,
493 			flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
494 			reg, shift, width, 0, &imx_ccm_lock);
495 }
496 
497 static inline struct clk *imx_clk_mux2_flags(const char *name,
498 		void __iomem *reg, u8 shift, u8 width,
499 		const char * const *parents,
500 		int num_parents, unsigned long flags)
501 {
502 	return clk_register_mux(NULL, name, parents, num_parents,
503 			flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
504 			reg, shift, width, 0, &imx_ccm_lock);
505 }
506 
507 static inline struct clk_hw *imx_clk_hw_mux_flags(const char *name,
508 						  void __iomem *reg, u8 shift,
509 						  u8 width,
510 						  const char * const *parents,
511 						  int num_parents,
512 						  unsigned long flags)
513 {
514 	return clk_hw_register_mux(NULL, name, parents, num_parents,
515 				   flags | CLK_SET_RATE_NO_REPARENT,
516 				   reg, shift, width, 0, &imx_ccm_lock);
517 }
518 
519 static inline struct clk_hw *imx_dev_clk_hw_mux_flags(struct device *dev,
520 						  const char *name,
521 						  void __iomem *reg, u8 shift,
522 						  u8 width,
523 						  const char * const *parents,
524 						  int num_parents,
525 						  unsigned long flags)
526 {
527 	return clk_hw_register_mux(dev, name, parents, num_parents,
528 				   flags | CLK_SET_RATE_NO_REPARENT,
529 				   reg, shift, width, 0, &imx_ccm_lock);
530 }
531 
532 struct clk_hw *imx_clk_hw_cpu(const char *name, const char *parent_name,
533 		struct clk *div, struct clk *mux, struct clk *pll,
534 		struct clk *step);
535 
536 #define IMX_COMPOSITE_CORE	BIT(0)
537 #define IMX_COMPOSITE_BUS	BIT(1)
538 
539 struct clk_hw *imx8m_clk_hw_composite_flags(const char *name,
540 					    const char * const *parent_names,
541 					    int num_parents,
542 					    void __iomem *reg,
543 					    u32 composite_flags,
544 					    unsigned long flags);
545 
546 #define imx8m_clk_hw_composite_bus(name, parent_names, reg)	\
547 	imx8m_clk_hw_composite_flags(name, parent_names, \
548 			ARRAY_SIZE(parent_names), reg, \
549 			IMX_COMPOSITE_BUS, \
550 			CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
551 
552 #define imx8m_clk_hw_composite_core(name, parent_names, reg)	\
553 	imx8m_clk_hw_composite_flags(name, parent_names, \
554 			ARRAY_SIZE(parent_names), reg, \
555 			IMX_COMPOSITE_CORE, \
556 			CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
557 
558 #define imx8m_clk_composite_flags(name, parent_names, num_parents, reg, \
559 				  flags) \
560 	to_clk(imx8m_clk_hw_composite_flags(name, parent_names, \
561 				num_parents, reg, 0, flags))
562 
563 #define __imx8m_clk_hw_composite(name, parent_names, reg, flags) \
564 	imx8m_clk_hw_composite_flags(name, parent_names, \
565 		ARRAY_SIZE(parent_names), reg, 0, \
566 		flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
567 
568 #define __imx8m_clk_composite(name, parent_names, reg, flags) \
569 	to_clk(__imx8m_clk_hw_composite(name, parent_names, reg, flags))
570 
571 #define imx8m_clk_hw_composite(name, parent_names, reg) \
572 	__imx8m_clk_hw_composite(name, parent_names, reg, 0)
573 
574 #define imx8m_clk_composite(name, parent_names, reg) \
575 	__imx8m_clk_composite(name, parent_names, reg, 0)
576 
577 #define imx8m_clk_hw_composite_critical(name, parent_names, reg) \
578 	__imx8m_clk_hw_composite(name, parent_names, reg, CLK_IS_CRITICAL)
579 
580 #define imx8m_clk_composite_critical(name, parent_names, reg) \
581 	__imx8m_clk_composite(name, parent_names, reg, CLK_IS_CRITICAL)
582 
583 struct clk_hw *imx_clk_hw_divider_gate(const char *name, const char *parent_name,
584 		unsigned long flags, void __iomem *reg, u8 shift, u8 width,
585 		u8 clk_divider_flags, const struct clk_div_table *table,
586 		spinlock_t *lock);
587 #endif
588