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 extern spinlock_t imx_ccm_lock;
10
11 void imx_check_clocks(struct clk *clks[], unsigned int count);
12 void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
13 #ifndef MODULE
14 void imx_register_uart_clocks(unsigned int clk_count);
15 #else
imx_register_uart_clocks(unsigned int clk_count)16 static inline void imx_register_uart_clocks(unsigned int clk_count)
17 {
18 }
19 #endif
20 void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn);
21 void imx_unregister_clocks(struct clk *clks[], unsigned int count);
22 void imx_unregister_hw_clocks(struct clk_hw *hws[], unsigned int count);
23
24 extern void imx_cscmr1_fixup(u32 *val);
25
26 enum 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
35 enum imx_sscg_pll_type {
36 SCCG_PLL1,
37 SCCG_PLL2,
38 };
39
40 enum imx_pll14xx_type {
41 PLL_1416X,
42 PLL_1443X,
43 };
44
45 /* NOTE: Rate table should be kept sorted in descending order. */
46 struct 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
54 struct 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
61 extern struct imx_pll14xx_clk imx_1416x_pll;
62 extern struct imx_pll14xx_clk imx_1443x_pll;
63 extern 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
135 struct 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
141 struct 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
145 struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char *name,
146 const char *parent, void __iomem *base);
147
148 struct clk_hw *imx_clk_hw_pllv2(const char *name, const char *parent,
149 void __iomem *base);
150
151 struct clk_hw *imx_clk_hw_frac_pll(const char *name, const char *parent_name,
152 void __iomem *base);
153
154 struct 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
161 enum 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
174 struct 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
194 struct clk_hw *imx_clk_hw_pllv4(const char *name, const char *parent_name,
195 void __iomem *base);
196
197 struct 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
203 struct clk * imx_obtain_fixed_clock(
204 const char *name, unsigned long rate);
205
206 struct clk_hw *imx_obtain_fixed_clock_hw(
207 const char *name, unsigned long rate);
208
209 struct clk_hw *imx_obtain_fixed_clk_hw(struct device_node *np,
210 const char *name);
211
212 struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent,
213 void __iomem *reg, u8 shift, u32 exclusive_mask);
214
215 struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name,
216 void __iomem *reg, u8 idx);
217
218 struct clk_hw *imx_clk_hw_pfdv2(const char *name, const char *parent_name,
219 void __iomem *reg, u8 idx);
220
221 struct 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
225 struct 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
229 struct 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
235 struct 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
239 struct 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
to_clk(struct clk_hw * hw)243 static 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
imx_clk_hw_pll14xx(const char * name,const char * parent_name,void __iomem * base,const struct imx_pll14xx_clk * pll_clk)250 static 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
imx_clk_hw_fixed(const char * name,int rate)257 static 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
imx_clk_hw_mux_ldb(const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents)262 static 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
imx_clk_hw_fixed_factor(const char * name,const char * parent,unsigned int mult,unsigned int div)271 static 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
imx_clk_hw_divider(const char * name,const char * parent,void __iomem * reg,u8 shift,u8 width)278 static 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
imx_clk_hw_divider_flags(const char * name,const char * parent,void __iomem * reg,u8 shift,u8 width,unsigned long flags)287 static 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
imx_clk_hw_divider2(const char * name,const char * parent,void __iomem * reg,u8 shift,u8 width)296 static 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
imx_clk_divider2_flags(const char * name,const char * parent,void __iomem * reg,u8 shift,u8 width,unsigned long flags)304 static 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
imx_clk_hw_gate_flags(const char * name,const char * parent,void __iomem * reg,u8 shift,unsigned long flags)313 static 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
imx_clk_hw_gate(const char * name,const char * parent,void __iomem * reg,u8 shift)320 static 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
imx_dev_clk_hw_gate(struct device * dev,const char * name,const char * parent,void __iomem * reg,u8 shift)327 static 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
imx_clk_hw_gate_dis(const char * name,const char * parent,void __iomem * reg,u8 shift)334 static 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
imx_clk_hw_gate_dis_flags(const char * name,const char * parent,void __iomem * reg,u8 shift,unsigned long flags)341 static 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
imx_clk_hw_gate2(const char * name,const char * parent,void __iomem * reg,u8 shift)348 static 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
imx_clk_hw_gate2_flags(const char * name,const char * parent,void __iomem * reg,u8 shift,unsigned long flags)355 static 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
imx_clk_hw_gate2_shared(const char * name,const char * parent,void __iomem * reg,u8 shift,unsigned int * share_count)362 static 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
imx_clk_hw_gate2_shared2(const char * name,const char * parent,void __iomem * reg,u8 shift,unsigned int * share_count)370 static 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
imx_dev_clk_hw_gate_shared(struct device * dev,const char * name,const char * parent,void __iomem * reg,u8 shift,unsigned int * share_count)379 static 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
imx_clk_gate2_cgr(const char * name,const char * parent,void __iomem * reg,u8 shift,u8 cgr_val)389 static 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
imx_clk_hw_gate3(const char * name,const char * parent,void __iomem * reg,u8 shift)396 static 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
imx_clk_hw_gate3_flags(const char * name,const char * parent,void __iomem * reg,u8 shift,unsigned long flags)404 static 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
imx_clk_hw_gate4(const char * name,const char * parent,void __iomem * reg,u8 shift)416 static 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
imx_clk_hw_gate4_flags(const char * name,const char * parent,void __iomem * reg,u8 shift,unsigned long flags)424 static 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
imx_clk_hw_mux(const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents)436 static 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
imx_dev_clk_hw_mux(struct device * dev,const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents)445 static 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
imx_clk_mux2(const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents)454 static 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
imx_clk_hw_mux2(const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents)463 static 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
imx_clk_mux_flags(const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents,unsigned long flags)474 static 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
imx_clk_hw_mux2_flags(const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents,unsigned long flags)484 static 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
imx_clk_mux2_flags(const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents,unsigned long flags)494 static 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
imx_clk_hw_mux_flags(const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents,unsigned long flags)504 static 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
imx_dev_clk_hw_mux_flags(struct device * dev,const char * name,void __iomem * reg,u8 shift,u8 width,const char * const * parents,int num_parents,unsigned long flags)516 static 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
529 struct 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
537 struct 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
597 struct 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
602