xref: /openbmc/linux/drivers/clk/imx/clk.h (revision fb574682)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __MACH_IMX_CLK_H
3 #define __MACH_IMX_CLK_H
4 
5 #include <linux/spinlock.h>
6 #include <linux/clk-provider.h>
7 
8 #define IMX_CLK_GATE2_SINGLE_BIT	1
9 
10 extern spinlock_t imx_ccm_lock;
11 
12 void imx_check_clocks(struct clk *clks[], unsigned int count);
13 void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
14 void imx_register_uart_clocks(struct clk ** const clks[]);
15 void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn);
16 void imx_unregister_clocks(struct clk *clks[], unsigned int count);
17 void imx_unregister_hw_clocks(struct clk_hw *hws[], unsigned int count);
18 
19 extern void imx_cscmr1_fixup(u32 *val);
20 
21 enum imx_pllv1_type {
22 	IMX_PLLV1_IMX1,
23 	IMX_PLLV1_IMX21,
24 	IMX_PLLV1_IMX25,
25 	IMX_PLLV1_IMX27,
26 	IMX_PLLV1_IMX31,
27 	IMX_PLLV1_IMX35,
28 };
29 
30 enum imx_sscg_pll_type {
31 	SCCG_PLL1,
32 	SCCG_PLL2,
33 };
34 
35 enum imx_pll14xx_type {
36 	PLL_1416X,
37 	PLL_1443X,
38 };
39 
40 /* NOTE: Rate table should be kept sorted in descending order. */
41 struct imx_pll14xx_rate_table {
42 	unsigned int rate;
43 	unsigned int pdiv;
44 	unsigned int mdiv;
45 	unsigned int sdiv;
46 	unsigned int kdiv;
47 };
48 
49 struct imx_pll14xx_clk {
50 	enum imx_pll14xx_type type;
51 	const struct imx_pll14xx_rate_table *rate_table;
52 	int rate_count;
53 	int flags;
54 };
55 
56 extern struct imx_pll14xx_clk imx_1416x_pll;
57 extern struct imx_pll14xx_clk imx_1443x_pll;
58 extern struct imx_pll14xx_clk imx_1443x_dram_pll;
59 
60 #define imx_clk_cpu(name, parent_name, div, mux, pll, step) \
61 	to_clk(imx_clk_hw_cpu(name, parent_name, div, mux, pll, step))
62 
63 #define clk_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
64 				cgr_val, clk_gate_flags, lock, share_count) \
65 	to_clk(clk_hw_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
66 				cgr_val, clk_gate_flags, lock, share_count))
67 
68 #define imx_clk_pllv3(type, name, parent_name, base, div_mask) \
69 	to_clk(imx_clk_hw_pllv3(type, name, parent_name, base, div_mask))
70 
71 #define imx_clk_pfd(name, parent_name, reg, idx) \
72 	to_clk(imx_clk_hw_pfd(name, parent_name, reg, idx))
73 
74 #define imx_clk_gate_exclusive(name, parent, reg, shift, exclusive_mask) \
75 	to_clk(imx_clk_hw_gate_exclusive(name, parent, reg, shift, exclusive_mask))
76 
77 #define imx_clk_fixed(name, rate) \
78 	to_clk(imx_clk_hw_fixed(name, rate))
79 
80 #define imx_clk_fixed_factor(name, parent, mult, div) \
81 	to_clk(imx_clk_hw_fixed_factor(name, parent, mult, div))
82 
83 #define imx_clk_divider(name, parent, reg, shift, width) \
84 	to_clk(imx_clk_hw_divider(name, parent, reg, shift, width))
85 
86 #define imx_clk_divider2(name, parent, reg, shift, width) \
87 	to_clk(imx_clk_hw_divider2(name, parent, reg, shift, width))
88 
89 #define imx_clk_divider_flags(name, parent, reg, shift, width, flags) \
90 	to_clk(imx_clk_hw_divider_flags(name, parent, reg, shift, width, flags))
91 
92 #define imx_clk_gate(name, parent, reg, shift) \
93 	to_clk(imx_clk_hw_gate(name, parent, reg, shift))
94 
95 #define imx_clk_gate_dis(name, parent, reg, shift) \
96 	to_clk(imx_clk_hw_gate_dis(name, parent, reg, shift))
97 
98 #define imx_clk_gate2(name, parent, reg, shift) \
99 	to_clk(imx_clk_hw_gate2(name, parent, reg, shift))
100 
101 #define imx_clk_gate2_flags(name, parent, reg, shift, flags) \
102 	to_clk(imx_clk_hw_gate2_flags(name, parent, reg, shift, flags))
103 
104 #define imx_clk_gate2_shared2(name, parent, reg, shift, share_count) \
105 	to_clk(imx_clk_hw_gate2_shared2(name, parent, reg, shift, share_count))
106 
107 #define imx_clk_gate3(name, parent, reg, shift) \
108 	to_clk(imx_clk_hw_gate3(name, parent, reg, shift))
109 
110 #define imx_clk_gate4(name, parent, reg, shift) \
111 	to_clk(imx_clk_hw_gate4(name, parent, reg, shift))
112 
113 #define imx_clk_mux(name, reg, shift, width, parents, num_parents) \
114 	to_clk(imx_clk_hw_mux(name, reg, shift, width, parents, num_parents))
115 
116 #define imx_clk_pllv1(type, name, parent, base) \
117 	to_clk(imx_clk_hw_pllv1(type, name, parent, base))
118 
119 #define imx_clk_pllv2(name, parent, base) \
120 	to_clk(imx_clk_hw_pllv2(name, parent, base))
121 
122 #define imx_clk_frac_pll(name, parent_name, base) \
123 	to_clk(imx_clk_hw_frac_pll(name, parent_name, base))
124 
125 #define imx_clk_sscg_pll(name, parent_names, num_parents, parent,\
126 				bypass1, bypass2, base, flags) \
127 	to_clk(imx_clk_hw_sscg_pll(name, parent_names, num_parents, parent,\
128 				bypass1, bypass2, base, flags))
129 
130 struct clk *imx_clk_pll14xx(const char *name, const char *parent_name,
131 		 void __iomem *base, const struct imx_pll14xx_clk *pll_clk);
132 
133 #define imx_clk_pll14xx(name, parent_name, base, pll_clk) \
134 	to_clk(imx_clk_hw_pll14xx(name, parent_name, base, pll_clk))
135 
136 struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name,
137 				const char *parent_name, void __iomem *base,
138 				const struct imx_pll14xx_clk *pll_clk);
139 
140 struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char *name,
141 		const char *parent, void __iomem *base);
142 
143 struct clk_hw *imx_clk_hw_pllv2(const char *name, const char *parent,
144 		void __iomem *base);
145 
146 struct clk_hw *imx_clk_hw_frac_pll(const char *name, const char *parent_name,
147 			     void __iomem *base);
148 
149 struct clk_hw *imx_clk_hw_sscg_pll(const char *name,
150 				const char * const *parent_names,
151 				u8 num_parents,
152 				u8 parent, u8 bypass1, u8 bypass2,
153 				void __iomem *base,
154 				unsigned long flags);
155 
156 enum imx_pllv3_type {
157 	IMX_PLLV3_GENERIC,
158 	IMX_PLLV3_SYS,
159 	IMX_PLLV3_USB,
160 	IMX_PLLV3_USB_VF610,
161 	IMX_PLLV3_AV,
162 	IMX_PLLV3_ENET,
163 	IMX_PLLV3_ENET_IMX7,
164 	IMX_PLLV3_SYS_VF610,
165 	IMX_PLLV3_DDR_IMX7,
166 	IMX_PLLV3_AV_IMX7,
167 };
168 
169 struct clk_hw *imx_clk_hw_pllv3(enum imx_pllv3_type type, const char *name,
170 		const char *parent_name, void __iomem *base, u32 div_mask);
171 
172 #define PLL_1416X_RATE(_rate, _m, _p, _s)		\
173 	{						\
174 		.rate	=	(_rate),		\
175 		.mdiv	=	(_m),			\
176 		.pdiv	=	(_p),			\
177 		.sdiv	=	(_s),			\
178 	}
179 
180 #define PLL_1443X_RATE(_rate, _m, _p, _s, _k)		\
181 	{						\
182 		.rate	=	(_rate),		\
183 		.mdiv	=	(_m),			\
184 		.pdiv	=	(_p),			\
185 		.sdiv	=	(_s),			\
186 		.kdiv	=	(_k),			\
187 	}
188 
189 struct clk_hw *imx_clk_hw_pllv4(const char *name, const char *parent_name,
190 			     void __iomem *base);
191 
192 struct clk_hw *clk_hw_register_gate2(struct device *dev, const char *name,
193 		const char *parent_name, unsigned long flags,
194 		void __iomem *reg, u8 bit_idx, u8 cgr_val,
195 		u8 clk_gate_flags, spinlock_t *lock,
196 		unsigned int *share_count);
197 
198 struct clk * imx_obtain_fixed_clock(
199 			const char *name, unsigned long rate);
200 
201 struct clk_hw *imx_obtain_fixed_clock_hw(
202 			const char *name, unsigned long rate);
203 
204 struct clk_hw *imx_obtain_fixed_clk_hw(struct device_node *np,
205 				       const char *name);
206 
207 struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent,
208 	 void __iomem *reg, u8 shift, u32 exclusive_mask);
209 
210 struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name,
211 		void __iomem *reg, u8 idx);
212 
213 struct clk_hw *imx_clk_hw_pfdv2(const char *name, const char *parent_name,
214 			     void __iomem *reg, u8 idx);
215 
216 struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name,
217 				 void __iomem *reg, u8 shift, u8 width,
218 				 void __iomem *busy_reg, u8 busy_shift);
219 
220 struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift,
221 			     u8 width, void __iomem *busy_reg, u8 busy_shift,
222 			     const char * const *parent_names, int num_parents);
223 
224 struct clk_hw *imx7ulp_clk_hw_composite(const char *name,
225 				     const char * const *parent_names,
226 				     int num_parents, bool mux_present,
227 				     bool rate_present, bool gate_present,
228 				     void __iomem *reg);
229 
230 struct clk_hw *imx_clk_hw_fixup_divider(const char *name, const char *parent,
231 				  void __iomem *reg, u8 shift, u8 width,
232 				  void (*fixup)(u32 *val));
233 
234 struct clk_hw *imx_clk_hw_fixup_mux(const char *name, void __iomem *reg,
235 			      u8 shift, u8 width, const char * const *parents,
236 			      int num_parents, void (*fixup)(u32 *val));
237 
238 static inline struct clk *to_clk(struct clk_hw *hw)
239 {
240 	if (IS_ERR_OR_NULL(hw))
241 		return ERR_CAST(hw);
242 	return hw->clk;
243 }
244 
245 static inline struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char *parent_name,
246 				  void __iomem *base,
247 				  const struct imx_pll14xx_clk *pll_clk)
248 {
249 	return imx_dev_clk_hw_pll14xx(NULL, name, parent_name, base, pll_clk);
250 }
251 
252 static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate)
253 {
254 	return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate);
255 }
256 
257 static inline struct clk_hw *imx_clk_hw_mux_ldb(const char *name, void __iomem *reg,
258 			u8 shift, u8 width, const char * const *parents,
259 			int num_parents)
260 {
261 	return clk_hw_register_mux(NULL, name, parents, num_parents,
262 			CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, reg,
263 			shift, width, CLK_MUX_READ_ONLY, &imx_ccm_lock);
264 }
265 
266 static inline struct clk_hw *imx_clk_hw_fixed_factor(const char *name,
267 		const char *parent, unsigned int mult, unsigned int div)
268 {
269 	return clk_hw_register_fixed_factor(NULL, name, parent,
270 			CLK_SET_RATE_PARENT, mult, div);
271 }
272 
273 static inline struct clk_hw *imx_clk_hw_divider(const char *name,
274 						const char *parent,
275 						void __iomem *reg, u8 shift,
276 						u8 width)
277 {
278 	return clk_hw_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
279 				       reg, shift, width, 0, &imx_ccm_lock);
280 }
281 
282 static inline struct clk_hw *imx_clk_hw_divider_flags(const char *name,
283 						   const char *parent,
284 						   void __iomem *reg, u8 shift,
285 						   u8 width, unsigned long flags)
286 {
287 	return clk_hw_register_divider(NULL, name, parent, flags,
288 				       reg, shift, width, 0, &imx_ccm_lock);
289 }
290 
291 static inline struct clk_hw *imx_clk_hw_divider2(const char *name, const char *parent,
292 		void __iomem *reg, u8 shift, u8 width)
293 {
294 	return clk_hw_register_divider(NULL, name, parent,
295 			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
296 			reg, shift, width, 0, &imx_ccm_lock);
297 }
298 
299 static inline struct clk *imx_clk_divider2_flags(const char *name,
300 		const char *parent, void __iomem *reg, u8 shift, u8 width,
301 		unsigned long flags)
302 {
303 	return clk_register_divider(NULL, name, parent,
304 			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
305 			reg, shift, width, 0, &imx_ccm_lock);
306 }
307 
308 static inline struct clk_hw *imx_clk_hw_gate_flags(const char *name, const char *parent,
309 		void __iomem *reg, u8 shift, unsigned long flags)
310 {
311 	return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
312 			shift, 0, &imx_ccm_lock);
313 }
314 
315 static inline struct clk_hw *imx_clk_hw_gate(const char *name, const char *parent,
316 					     void __iomem *reg, u8 shift)
317 {
318 	return clk_hw_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
319 				    shift, 0, &imx_ccm_lock);
320 }
321 
322 static inline struct clk_hw *imx_dev_clk_hw_gate(struct device *dev, const char *name,
323 						const char *parent, void __iomem *reg, u8 shift)
324 {
325 	return clk_hw_register_gate(dev, name, parent, CLK_SET_RATE_PARENT, reg,
326 				    shift, 0, &imx_ccm_lock);
327 }
328 
329 static inline struct clk_hw *imx_clk_hw_gate_dis(const char *name, const char *parent,
330 		void __iomem *reg, u8 shift)
331 {
332 	return clk_hw_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
333 			shift, CLK_GATE_SET_TO_DISABLE, &imx_ccm_lock);
334 }
335 
336 static inline struct clk_hw *imx_clk_hw_gate_dis_flags(const char *name, const char *parent,
337 		void __iomem *reg, u8 shift, unsigned long flags)
338 {
339 	return clk_hw_register_gate(NULL, name, parent, flags | 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_gate2(const char *name, const char *parent,
344 		void __iomem *reg, u8 shift)
345 {
346 	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
347 			shift, 0x3, 0, &imx_ccm_lock, NULL);
348 }
349 
350 static inline struct clk_hw *imx_clk_hw_gate2_flags(const char *name, const char *parent,
351 		void __iomem *reg, u8 shift, unsigned long flags)
352 {
353 	return clk_hw_register_gate2(NULL, name, parent, flags | 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_shared(const char *name,
358 		const char *parent, void __iomem *reg, u8 shift,
359 		unsigned int *share_count)
360 {
361 	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
362 			shift, 0x3, 0, &imx_ccm_lock, share_count);
363 }
364 
365 static inline struct clk_hw *imx_clk_hw_gate2_shared2(const char *name,
366 		const char *parent, void __iomem *reg, u8 shift,
367 		unsigned int *share_count)
368 {
369 	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT |
370 				  CLK_OPS_PARENT_ENABLE, reg, shift, 0x3, 0,
371 				  &imx_ccm_lock, share_count);
372 }
373 
374 static inline struct clk_hw *imx_dev_clk_hw_gate_shared(struct device *dev,
375 				const char *name, const char *parent,
376 				void __iomem *reg, u8 shift,
377 				unsigned int *share_count)
378 {
379 	return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT |
380 					CLK_OPS_PARENT_ENABLE, reg, shift, 0x3,
381 					IMX_CLK_GATE2_SINGLE_BIT,
382 					&imx_ccm_lock, share_count);
383 }
384 
385 static inline struct clk *imx_clk_gate2_cgr(const char *name,
386 		const char *parent, void __iomem *reg, u8 shift, u8 cgr_val)
387 {
388 	return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
389 			shift, cgr_val, 0, &imx_ccm_lock, NULL);
390 }
391 
392 static inline struct clk_hw *imx_clk_hw_gate3(const char *name, const char *parent,
393 		void __iomem *reg, u8 shift)
394 {
395 	return clk_hw_register_gate(NULL, name, parent,
396 			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
397 			reg, shift, 0, &imx_ccm_lock);
398 }
399 
400 static inline struct clk_hw *imx_clk_hw_gate3_flags(const char *name,
401 		const char *parent, void __iomem *reg, u8 shift,
402 		unsigned long flags)
403 {
404 	return clk_hw_register_gate(NULL, name, parent,
405 			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
406 			reg, shift, 0, &imx_ccm_lock);
407 }
408 
409 #define imx_clk_gate3_flags(name, parent, reg, shift, flags) \
410 	to_clk(imx_clk_hw_gate3_flags(name, parent, reg, shift, flags))
411 
412 static inline struct clk_hw *imx_clk_hw_gate4(const char *name, const char *parent,
413 		void __iomem *reg, u8 shift)
414 {
415 	return clk_hw_register_gate2(NULL, name, parent,
416 			CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
417 			reg, shift, 0x3, 0, &imx_ccm_lock, NULL);
418 }
419 
420 static inline struct clk_hw *imx_clk_hw_gate4_flags(const char *name,
421 		const char *parent, void __iomem *reg, u8 shift,
422 		unsigned long flags)
423 {
424 	return clk_hw_register_gate2(NULL, name, parent,
425 			flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
426 			reg, shift, 0x3, 0, &imx_ccm_lock, NULL);
427 }
428 
429 #define imx_clk_gate4_flags(name, parent, reg, shift, flags) \
430 	to_clk(imx_clk_hw_gate4_flags(name, parent, reg, shift, flags))
431 
432 static inline struct clk_hw *imx_clk_hw_mux(const char *name, void __iomem *reg,
433 			u8 shift, u8 width, const char * const *parents,
434 			int num_parents)
435 {
436 	return clk_hw_register_mux(NULL, name, parents, num_parents,
437 			CLK_SET_RATE_NO_REPARENT, reg, shift,
438 			width, 0, &imx_ccm_lock);
439 }
440 
441 static inline struct clk_hw *imx_dev_clk_hw_mux(struct device *dev,
442 			const char *name, void __iomem *reg, u8 shift,
443 			u8 width, const char * const *parents, int num_parents)
444 {
445 	return clk_hw_register_mux(dev, name, parents, num_parents,
446 			CLK_SET_RATE_NO_REPARENT | CLK_SET_PARENT_GATE,
447 			reg, shift, width, 0, &imx_ccm_lock);
448 }
449 
450 static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg,
451 			u8 shift, u8 width, const char * const *parents,
452 			int num_parents)
453 {
454 	return clk_register_mux(NULL, name, parents, num_parents,
455 			CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
456 			reg, shift, width, 0, &imx_ccm_lock);
457 }
458 
459 static inline struct clk_hw *imx_clk_hw_mux2(const char *name, void __iomem *reg,
460 					     u8 shift, u8 width,
461 					     const char * const *parents,
462 					     int num_parents)
463 {
464 	return clk_hw_register_mux(NULL, name, parents, num_parents,
465 				   CLK_SET_RATE_NO_REPARENT |
466 				   CLK_OPS_PARENT_ENABLE,
467 				   reg, shift, width, 0, &imx_ccm_lock);
468 }
469 
470 static inline struct clk *imx_clk_mux_flags(const char *name,
471 			void __iomem *reg, u8 shift, u8 width,
472 			const char * const *parents, int num_parents,
473 			unsigned long flags)
474 {
475 	return clk_register_mux(NULL, name, parents, num_parents,
476 			flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
477 			&imx_ccm_lock);
478 }
479 
480 static inline struct clk_hw *imx_clk_hw_mux2_flags(const char *name,
481 		void __iomem *reg, u8 shift, u8 width,
482 		const char * const *parents,
483 		int num_parents, unsigned long flags)
484 {
485 	return clk_hw_register_mux(NULL, name, parents, num_parents,
486 			flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
487 			reg, shift, width, 0, &imx_ccm_lock);
488 }
489 
490 static inline struct clk *imx_clk_mux2_flags(const char *name,
491 		void __iomem *reg, u8 shift, u8 width,
492 		const char * const *parents,
493 		int num_parents, unsigned long flags)
494 {
495 	return clk_register_mux(NULL, name, parents, num_parents,
496 			flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
497 			reg, shift, width, 0, &imx_ccm_lock);
498 }
499 
500 static inline struct clk_hw *imx_clk_hw_mux_flags(const char *name,
501 						  void __iomem *reg, u8 shift,
502 						  u8 width,
503 						  const char * const *parents,
504 						  int num_parents,
505 						  unsigned long flags)
506 {
507 	return clk_hw_register_mux(NULL, name, parents, num_parents,
508 				   flags | CLK_SET_RATE_NO_REPARENT,
509 				   reg, shift, width, 0, &imx_ccm_lock);
510 }
511 
512 static inline struct clk_hw *imx_dev_clk_hw_mux_flags(struct device *dev,
513 						  const char *name,
514 						  void __iomem *reg, u8 shift,
515 						  u8 width,
516 						  const char * const *parents,
517 						  int num_parents,
518 						  unsigned long flags)
519 {
520 	return clk_hw_register_mux(dev, name, parents, num_parents,
521 				   flags | CLK_SET_RATE_NO_REPARENT,
522 				   reg, shift, width, 0, &imx_ccm_lock);
523 }
524 
525 struct clk_hw *imx_clk_hw_cpu(const char *name, const char *parent_name,
526 		struct clk *div, struct clk *mux, struct clk *pll,
527 		struct clk *step);
528 
529 #define IMX_COMPOSITE_CORE	BIT(0)
530 #define IMX_COMPOSITE_BUS	BIT(1)
531 
532 struct clk_hw *imx8m_clk_hw_composite_flags(const char *name,
533 					    const char * const *parent_names,
534 					    int num_parents,
535 					    void __iomem *reg,
536 					    u32 composite_flags,
537 					    unsigned long flags);
538 
539 #define imx8m_clk_hw_composite_bus(name, parent_names, reg)	\
540 	imx8m_clk_hw_composite_flags(name, parent_names, \
541 			ARRAY_SIZE(parent_names), reg, \
542 			IMX_COMPOSITE_BUS, \
543 			CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
544 
545 #define imx8m_clk_hw_composite_core(name, parent_names, reg)	\
546 	imx8m_clk_hw_composite_flags(name, parent_names, \
547 			ARRAY_SIZE(parent_names), reg, \
548 			IMX_COMPOSITE_CORE, \
549 			CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
550 
551 #define imx8m_clk_composite_flags(name, parent_names, num_parents, reg, \
552 				  flags) \
553 	to_clk(imx8m_clk_hw_composite_flags(name, parent_names, \
554 				num_parents, reg, 0, flags))
555 
556 #define __imx8m_clk_hw_composite(name, parent_names, reg, flags) \
557 	imx8m_clk_hw_composite_flags(name, parent_names, \
558 		ARRAY_SIZE(parent_names), reg, 0, \
559 		flags | CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
560 
561 #define __imx8m_clk_composite(name, parent_names, reg, flags) \
562 	to_clk(__imx8m_clk_hw_composite(name, parent_names, reg, flags))
563 
564 #define imx8m_clk_hw_composite(name, parent_names, reg) \
565 	__imx8m_clk_hw_composite(name, parent_names, reg, 0)
566 
567 #define imx8m_clk_composite(name, parent_names, reg) \
568 	__imx8m_clk_composite(name, parent_names, reg, 0)
569 
570 #define imx8m_clk_hw_composite_critical(name, parent_names, reg) \
571 	__imx8m_clk_hw_composite(name, parent_names, reg, CLK_IS_CRITICAL)
572 
573 #define imx8m_clk_composite_critical(name, parent_names, reg) \
574 	__imx8m_clk_composite(name, parent_names, reg, CLK_IS_CRITICAL)
575 
576 struct clk_hw *imx_clk_hw_divider_gate(const char *name, const char *parent_name,
577 		unsigned long flags, void __iomem *reg, u8 shift, u8 width,
578 		u8 clk_divider_flags, const struct clk_div_table *table,
579 		spinlock_t *lock);
580 #endif
581