Commit | Line | Data |
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b4c63295 VH |
1 | /* |
2 | * AM33XX Clock data | |
3 | * | |
4 | * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ | |
5 | * Vaibhav Hiremath <hvaibhav@ti.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation version 2. | |
10 | * | |
11 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
12 | * kind, whether express or implied; without even the implied warranty | |
13 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | */ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/list.h> | |
19 | #include <linux/clk-private.h> | |
20 | #include <linux/clkdev.h> | |
21 | #include <linux/io.h> | |
22 | ||
23 | #include "am33xx.h" | |
24 | #include "soc.h" | |
25 | #include "iomap.h" | |
26 | #include "clock.h" | |
27 | #include "control.h" | |
28 | #include "cm.h" | |
29 | #include "cm33xx.h" | |
30 | #include "cm-regbits-33xx.h" | |
31 | #include "prm.h" | |
32 | ||
33 | /* Modulemode control */ | |
34 | #define AM33XX_MODULEMODE_HWCTRL_SHIFT 0 | |
35 | #define AM33XX_MODULEMODE_SWCTRL_SHIFT 1 | |
36 | ||
37 | /*LIST_HEAD(clocks);*/ | |
38 | ||
39 | /* Root clocks */ | |
40 | ||
41 | /* RTC 32k */ | |
42 | DEFINE_CLK_FIXED_RATE(clk_32768_ck, CLK_IS_ROOT, 32768, 0x0); | |
43 | ||
44 | /* On-Chip 32KHz RC OSC */ | |
45 | DEFINE_CLK_FIXED_RATE(clk_rc32k_ck, CLK_IS_ROOT, 32000, 0x0); | |
46 | ||
47 | /* Crystal input clks */ | |
48 | DEFINE_CLK_FIXED_RATE(virt_19200000_ck, CLK_IS_ROOT, 19200000, 0x0); | |
49 | ||
50 | DEFINE_CLK_FIXED_RATE(virt_24000000_ck, CLK_IS_ROOT, 24000000, 0x0); | |
51 | ||
52 | DEFINE_CLK_FIXED_RATE(virt_25000000_ck, CLK_IS_ROOT, 25000000, 0x0); | |
53 | ||
54 | DEFINE_CLK_FIXED_RATE(virt_26000000_ck, CLK_IS_ROOT, 26000000, 0x0); | |
55 | ||
56 | /* Oscillator clock */ | |
57 | /* 19.2, 24, 25 or 26 MHz */ | |
58 | static const char *sys_clkin_ck_parents[] = { | |
59 | "virt_19200000_ck", "virt_24000000_ck", "virt_25000000_ck", | |
60 | "virt_26000000_ck", | |
61 | }; | |
62 | ||
63 | /* | |
64 | * sys_clk in: input to the dpll and also used as funtional clock for, | |
65 | * adc_tsc, smartreflex0-1, timer1-7, mcasp0-1, dcan0-1, cefuse | |
66 | * | |
67 | */ | |
68 | DEFINE_CLK_MUX(sys_clkin_ck, sys_clkin_ck_parents, NULL, 0x0, | |
69 | AM33XX_CTRL_REGADDR(AM33XX_CONTROL_STATUS), | |
70 | AM33XX_CONTROL_STATUS_SYSBOOT1_SHIFT, | |
71 | AM33XX_CONTROL_STATUS_SYSBOOT1_WIDTH, | |
72 | 0, NULL); | |
73 | ||
74 | /* External clock - 12 MHz */ | |
75 | DEFINE_CLK_FIXED_RATE(tclkin_ck, CLK_IS_ROOT, 12000000, 0x0); | |
76 | ||
77 | /* Module clocks and DPLL outputs */ | |
78 | ||
79 | /* DPLL_CORE */ | |
80 | static struct dpll_data dpll_core_dd = { | |
81 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_CORE, | |
82 | .clk_bypass = &sys_clkin_ck, | |
83 | .clk_ref = &sys_clkin_ck, | |
84 | .control_reg = AM33XX_CM_CLKMODE_DPLL_CORE, | |
85 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), | |
86 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_CORE, | |
87 | .mult_mask = AM33XX_DPLL_MULT_MASK, | |
88 | .div1_mask = AM33XX_DPLL_DIV_MASK, | |
89 | .enable_mask = AM33XX_DPLL_EN_MASK, | |
90 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, | |
91 | .max_multiplier = 2047, | |
92 | .max_divider = 128, | |
93 | .min_divider = 1, | |
94 | }; | |
95 | ||
96 | /* CLKDCOLDO output */ | |
97 | static const char *dpll_core_ck_parents[] = { | |
98 | "sys_clkin_ck", | |
99 | }; | |
100 | ||
101 | static struct clk dpll_core_ck; | |
102 | ||
103 | static const struct clk_ops dpll_core_ck_ops = { | |
104 | .recalc_rate = &omap3_dpll_recalc, | |
105 | .get_parent = &omap2_init_dpll_parent, | |
106 | }; | |
107 | ||
108 | static struct clk_hw_omap dpll_core_ck_hw = { | |
109 | .hw = { | |
110 | .clk = &dpll_core_ck, | |
111 | }, | |
112 | .dpll_data = &dpll_core_dd, | |
113 | .ops = &clkhwops_omap3_dpll, | |
114 | }; | |
115 | ||
116 | DEFINE_STRUCT_CLK(dpll_core_ck, dpll_core_ck_parents, dpll_core_ck_ops); | |
117 | ||
118 | static const char *dpll_core_x2_ck_parents[] = { | |
119 | "dpll_core_ck", | |
120 | }; | |
121 | ||
122 | static struct clk dpll_core_x2_ck; | |
123 | ||
124 | static const struct clk_ops dpll_x2_ck_ops = { | |
125 | .recalc_rate = &omap3_clkoutx2_recalc, | |
126 | }; | |
127 | ||
128 | static struct clk_hw_omap dpll_core_x2_ck_hw = { | |
129 | .hw = { | |
130 | .clk = &dpll_core_x2_ck, | |
131 | }, | |
132 | .flags = CLOCK_CLKOUTX2, | |
133 | }; | |
134 | ||
135 | DEFINE_STRUCT_CLK(dpll_core_x2_ck, dpll_core_x2_ck_parents, dpll_x2_ck_ops); | |
136 | ||
137 | DEFINE_CLK_DIVIDER(dpll_core_m4_ck, "dpll_core_x2_ck", &dpll_core_x2_ck, | |
138 | 0x0, AM33XX_CM_DIV_M4_DPLL_CORE, | |
139 | AM33XX_HSDIVIDER_CLKOUT1_DIV_SHIFT, | |
140 | AM33XX_HSDIVIDER_CLKOUT1_DIV_WIDTH, CLK_DIVIDER_ONE_BASED, | |
141 | NULL); | |
142 | ||
143 | DEFINE_CLK_DIVIDER(dpll_core_m5_ck, "dpll_core_x2_ck", &dpll_core_x2_ck, | |
144 | 0x0, AM33XX_CM_DIV_M5_DPLL_CORE, | |
145 | AM33XX_HSDIVIDER_CLKOUT2_DIV_SHIFT, | |
146 | AM33XX_HSDIVIDER_CLKOUT2_DIV_WIDTH, | |
147 | CLK_DIVIDER_ONE_BASED, NULL); | |
148 | ||
149 | DEFINE_CLK_DIVIDER(dpll_core_m6_ck, "dpll_core_x2_ck", &dpll_core_x2_ck, | |
150 | 0x0, AM33XX_CM_DIV_M6_DPLL_CORE, | |
151 | AM33XX_HSDIVIDER_CLKOUT3_DIV_SHIFT, | |
152 | AM33XX_HSDIVIDER_CLKOUT3_DIV_WIDTH, | |
153 | CLK_DIVIDER_ONE_BASED, NULL); | |
154 | ||
155 | ||
156 | /* DPLL_MPU */ | |
157 | static struct dpll_data dpll_mpu_dd = { | |
158 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_MPU, | |
159 | .clk_bypass = &sys_clkin_ck, | |
160 | .clk_ref = &sys_clkin_ck, | |
161 | .control_reg = AM33XX_CM_CLKMODE_DPLL_MPU, | |
162 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), | |
163 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_MPU, | |
164 | .mult_mask = AM33XX_DPLL_MULT_MASK, | |
165 | .div1_mask = AM33XX_DPLL_DIV_MASK, | |
166 | .enable_mask = AM33XX_DPLL_EN_MASK, | |
167 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, | |
168 | .max_multiplier = 2047, | |
169 | .max_divider = 128, | |
170 | .min_divider = 1, | |
171 | }; | |
172 | ||
173 | /* CLKOUT: fdpll/M2 */ | |
174 | static struct clk dpll_mpu_ck; | |
175 | ||
176 | static const struct clk_ops dpll_mpu_ck_ops = { | |
177 | .enable = &omap3_noncore_dpll_enable, | |
178 | .disable = &omap3_noncore_dpll_disable, | |
179 | .recalc_rate = &omap3_dpll_recalc, | |
180 | .round_rate = &omap2_dpll_round_rate, | |
181 | .set_rate = &omap3_noncore_dpll_set_rate, | |
182 | .get_parent = &omap2_init_dpll_parent, | |
183 | }; | |
184 | ||
185 | static struct clk_hw_omap dpll_mpu_ck_hw = { | |
186 | .hw = { | |
187 | .clk = &dpll_mpu_ck, | |
188 | }, | |
189 | .dpll_data = &dpll_mpu_dd, | |
190 | .ops = &clkhwops_omap3_dpll, | |
191 | }; | |
192 | ||
193 | DEFINE_STRUCT_CLK(dpll_mpu_ck, dpll_core_ck_parents, dpll_mpu_ck_ops); | |
194 | ||
195 | /* | |
196 | * TODO: Add clksel here (sys_clkin, CORE_CLKOUTM6, PER_CLKOUTM2 | |
197 | * and ALT_CLK1/2) | |
198 | */ | |
199 | DEFINE_CLK_DIVIDER(dpll_mpu_m2_ck, "dpll_mpu_ck", &dpll_mpu_ck, | |
200 | 0x0, AM33XX_CM_DIV_M2_DPLL_MPU, AM33XX_DPLL_CLKOUT_DIV_SHIFT, | |
201 | AM33XX_DPLL_CLKOUT_DIV_WIDTH, CLK_DIVIDER_ONE_BASED, NULL); | |
202 | ||
203 | /* DPLL_DDR */ | |
204 | static struct dpll_data dpll_ddr_dd = { | |
205 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_DDR, | |
206 | .clk_bypass = &sys_clkin_ck, | |
207 | .clk_ref = &sys_clkin_ck, | |
208 | .control_reg = AM33XX_CM_CLKMODE_DPLL_DDR, | |
209 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), | |
210 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_DDR, | |
211 | .mult_mask = AM33XX_DPLL_MULT_MASK, | |
212 | .div1_mask = AM33XX_DPLL_DIV_MASK, | |
213 | .enable_mask = AM33XX_DPLL_EN_MASK, | |
214 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, | |
215 | .max_multiplier = 2047, | |
216 | .max_divider = 128, | |
217 | .min_divider = 1, | |
218 | }; | |
219 | ||
220 | /* CLKOUT: fdpll/M2 */ | |
221 | static struct clk dpll_ddr_ck; | |
222 | ||
223 | static const struct clk_ops dpll_ddr_ck_ops = { | |
224 | .recalc_rate = &omap3_dpll_recalc, | |
225 | .get_parent = &omap2_init_dpll_parent, | |
226 | .round_rate = &omap2_dpll_round_rate, | |
227 | .set_rate = &omap3_noncore_dpll_set_rate, | |
228 | }; | |
229 | ||
230 | static struct clk_hw_omap dpll_ddr_ck_hw = { | |
231 | .hw = { | |
232 | .clk = &dpll_ddr_ck, | |
233 | }, | |
234 | .dpll_data = &dpll_ddr_dd, | |
235 | .ops = &clkhwops_omap3_dpll, | |
236 | }; | |
237 | ||
238 | DEFINE_STRUCT_CLK(dpll_ddr_ck, dpll_core_ck_parents, dpll_ddr_ck_ops); | |
239 | ||
240 | /* | |
241 | * TODO: Add clksel here (sys_clkin, CORE_CLKOUTM6, PER_CLKOUTM2 | |
242 | * and ALT_CLK1/2) | |
243 | */ | |
244 | DEFINE_CLK_DIVIDER(dpll_ddr_m2_ck, "dpll_ddr_ck", &dpll_ddr_ck, | |
245 | 0x0, AM33XX_CM_DIV_M2_DPLL_DDR, | |
246 | AM33XX_DPLL_CLKOUT_DIV_SHIFT, AM33XX_DPLL_CLKOUT_DIV_WIDTH, | |
247 | CLK_DIVIDER_ONE_BASED, NULL); | |
248 | ||
249 | /* emif_fck functional clock */ | |
250 | DEFINE_CLK_FIXED_FACTOR(dpll_ddr_m2_div2_ck, "dpll_ddr_m2_ck", &dpll_ddr_m2_ck, | |
251 | 0x0, 1, 2); | |
252 | ||
253 | /* DPLL_DISP */ | |
254 | static struct dpll_data dpll_disp_dd = { | |
255 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_DISP, | |
256 | .clk_bypass = &sys_clkin_ck, | |
257 | .clk_ref = &sys_clkin_ck, | |
258 | .control_reg = AM33XX_CM_CLKMODE_DPLL_DISP, | |
259 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), | |
260 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_DISP, | |
261 | .mult_mask = AM33XX_DPLL_MULT_MASK, | |
262 | .div1_mask = AM33XX_DPLL_DIV_MASK, | |
263 | .enable_mask = AM33XX_DPLL_EN_MASK, | |
264 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, | |
265 | .max_multiplier = 2047, | |
266 | .max_divider = 128, | |
267 | .min_divider = 1, | |
268 | }; | |
269 | ||
270 | /* CLKOUT: fdpll/M2 */ | |
271 | static struct clk dpll_disp_ck; | |
272 | ||
273 | static struct clk_hw_omap dpll_disp_ck_hw = { | |
274 | .hw = { | |
275 | .clk = &dpll_disp_ck, | |
276 | }, | |
277 | .dpll_data = &dpll_disp_dd, | |
278 | .ops = &clkhwops_omap3_dpll, | |
279 | }; | |
280 | ||
281 | DEFINE_STRUCT_CLK(dpll_disp_ck, dpll_core_ck_parents, dpll_ddr_ck_ops); | |
282 | ||
283 | /* | |
284 | * TODO: Add clksel here (sys_clkin, CORE_CLKOUTM6, PER_CLKOUTM2 | |
285 | * and ALT_CLK1/2) | |
286 | */ | |
0c3c22f9 AM |
287 | DEFINE_CLK_DIVIDER(dpll_disp_m2_ck, "dpll_disp_ck", &dpll_disp_ck, |
288 | CLK_SET_RATE_PARENT, AM33XX_CM_DIV_M2_DPLL_DISP, | |
289 | AM33XX_DPLL_CLKOUT_DIV_SHIFT, AM33XX_DPLL_CLKOUT_DIV_WIDTH, | |
290 | CLK_DIVIDER_ONE_BASED, NULL); | |
b4c63295 VH |
291 | |
292 | /* DPLL_PER */ | |
293 | static struct dpll_data dpll_per_dd = { | |
294 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_PERIPH, | |
295 | .clk_bypass = &sys_clkin_ck, | |
296 | .clk_ref = &sys_clkin_ck, | |
297 | .control_reg = AM33XX_CM_CLKMODE_DPLL_PER, | |
298 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), | |
299 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_PER, | |
300 | .mult_mask = AM33XX_DPLL_MULT_PERIPH_MASK, | |
301 | .div1_mask = AM33XX_DPLL_PER_DIV_MASK, | |
302 | .enable_mask = AM33XX_DPLL_EN_MASK, | |
303 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, | |
304 | .max_multiplier = 2047, | |
305 | .max_divider = 128, | |
306 | .min_divider = 1, | |
307 | .flags = DPLL_J_TYPE, | |
308 | }; | |
309 | ||
310 | /* CLKDCOLDO */ | |
311 | static struct clk dpll_per_ck; | |
312 | ||
313 | static struct clk_hw_omap dpll_per_ck_hw = { | |
314 | .hw = { | |
315 | .clk = &dpll_per_ck, | |
316 | }, | |
317 | .dpll_data = &dpll_per_dd, | |
318 | .ops = &clkhwops_omap3_dpll, | |
319 | }; | |
320 | ||
321 | DEFINE_STRUCT_CLK(dpll_per_ck, dpll_core_ck_parents, dpll_ddr_ck_ops); | |
322 | ||
323 | /* CLKOUT: fdpll/M2 */ | |
324 | DEFINE_CLK_DIVIDER(dpll_per_m2_ck, "dpll_per_ck", &dpll_per_ck, 0x0, | |
325 | AM33XX_CM_DIV_M2_DPLL_PER, AM33XX_DPLL_CLKOUT_DIV_SHIFT, | |
326 | AM33XX_DPLL_CLKOUT_DIV_WIDTH, CLK_DIVIDER_ONE_BASED, | |
327 | NULL); | |
328 | ||
329 | DEFINE_CLK_FIXED_FACTOR(dpll_per_m2_div4_wkupdm_ck, "dpll_per_m2_ck", | |
330 | &dpll_per_m2_ck, 0x0, 1, 4); | |
331 | ||
332 | DEFINE_CLK_FIXED_FACTOR(dpll_per_m2_div4_ck, "dpll_per_m2_ck", | |
333 | &dpll_per_m2_ck, 0x0, 1, 4); | |
334 | ||
335 | DEFINE_CLK_FIXED_FACTOR(dpll_core_m4_div2_ck, "dpll_core_m4_ck", | |
336 | &dpll_core_m4_ck, 0x0, 1, 2); | |
337 | ||
338 | DEFINE_CLK_FIXED_FACTOR(l4_rtc_gclk, "dpll_core_m4_ck", &dpll_core_m4_ck, 0x0, | |
339 | 1, 2); | |
340 | ||
341 | DEFINE_CLK_FIXED_FACTOR(clk_24mhz, "dpll_per_m2_ck", &dpll_per_m2_ck, 0x0, 1, | |
342 | 8); | |
343 | ||
344 | /* | |
345 | * Below clock nodes describes clockdomains derived out | |
346 | * of core clock. | |
347 | */ | |
348 | static const struct clk_ops clk_ops_null = { | |
349 | }; | |
350 | ||
351 | static const char *l3_gclk_parents[] = { | |
352 | "dpll_core_m4_ck" | |
353 | }; | |
354 | ||
355 | static struct clk l3_gclk; | |
356 | DEFINE_STRUCT_CLK_HW_OMAP(l3_gclk, NULL); | |
357 | DEFINE_STRUCT_CLK(l3_gclk, l3_gclk_parents, clk_ops_null); | |
358 | ||
359 | static struct clk l4hs_gclk; | |
360 | DEFINE_STRUCT_CLK_HW_OMAP(l4hs_gclk, NULL); | |
361 | DEFINE_STRUCT_CLK(l4hs_gclk, l3_gclk_parents, clk_ops_null); | |
362 | ||
363 | static const char *l3s_gclk_parents[] = { | |
364 | "dpll_core_m4_div2_ck" | |
365 | }; | |
366 | ||
367 | static struct clk l3s_gclk; | |
368 | DEFINE_STRUCT_CLK_HW_OMAP(l3s_gclk, NULL); | |
369 | DEFINE_STRUCT_CLK(l3s_gclk, l3s_gclk_parents, clk_ops_null); | |
370 | ||
371 | static struct clk l4fw_gclk; | |
372 | DEFINE_STRUCT_CLK_HW_OMAP(l4fw_gclk, NULL); | |
373 | DEFINE_STRUCT_CLK(l4fw_gclk, l3s_gclk_parents, clk_ops_null); | |
374 | ||
375 | static struct clk l4ls_gclk; | |
376 | DEFINE_STRUCT_CLK_HW_OMAP(l4ls_gclk, NULL); | |
377 | DEFINE_STRUCT_CLK(l4ls_gclk, l3s_gclk_parents, clk_ops_null); | |
378 | ||
379 | static struct clk sysclk_div_ck; | |
380 | DEFINE_STRUCT_CLK_HW_OMAP(sysclk_div_ck, NULL); | |
381 | DEFINE_STRUCT_CLK(sysclk_div_ck, l3_gclk_parents, clk_ops_null); | |
382 | ||
383 | /* | |
384 | * In order to match the clock domain with hwmod clockdomain entry, | |
385 | * separate clock nodes is required for the modules which are | |
386 | * directly getting their funtioncal clock from sys_clkin. | |
387 | */ | |
388 | static struct clk adc_tsc_fck; | |
389 | DEFINE_STRUCT_CLK_HW_OMAP(adc_tsc_fck, NULL); | |
390 | DEFINE_STRUCT_CLK(adc_tsc_fck, dpll_core_ck_parents, clk_ops_null); | |
391 | ||
392 | static struct clk dcan0_fck; | |
393 | DEFINE_STRUCT_CLK_HW_OMAP(dcan0_fck, NULL); | |
394 | DEFINE_STRUCT_CLK(dcan0_fck, dpll_core_ck_parents, clk_ops_null); | |
395 | ||
396 | static struct clk dcan1_fck; | |
397 | DEFINE_STRUCT_CLK_HW_OMAP(dcan1_fck, NULL); | |
398 | DEFINE_STRUCT_CLK(dcan1_fck, dpll_core_ck_parents, clk_ops_null); | |
399 | ||
400 | static struct clk mcasp0_fck; | |
401 | DEFINE_STRUCT_CLK_HW_OMAP(mcasp0_fck, NULL); | |
402 | DEFINE_STRUCT_CLK(mcasp0_fck, dpll_core_ck_parents, clk_ops_null); | |
403 | ||
404 | static struct clk mcasp1_fck; | |
405 | DEFINE_STRUCT_CLK_HW_OMAP(mcasp1_fck, NULL); | |
406 | DEFINE_STRUCT_CLK(mcasp1_fck, dpll_core_ck_parents, clk_ops_null); | |
407 | ||
408 | static struct clk smartreflex0_fck; | |
409 | DEFINE_STRUCT_CLK_HW_OMAP(smartreflex0_fck, NULL); | |
410 | DEFINE_STRUCT_CLK(smartreflex0_fck, dpll_core_ck_parents, clk_ops_null); | |
411 | ||
412 | static struct clk smartreflex1_fck; | |
413 | DEFINE_STRUCT_CLK_HW_OMAP(smartreflex1_fck, NULL); | |
414 | DEFINE_STRUCT_CLK(smartreflex1_fck, dpll_core_ck_parents, clk_ops_null); | |
415 | ||
44a9462d MG |
416 | static struct clk sha0_fck; |
417 | DEFINE_STRUCT_CLK_HW_OMAP(sha0_fck, NULL); | |
418 | DEFINE_STRUCT_CLK(sha0_fck, dpll_core_ck_parents, clk_ops_null); | |
419 | ||
ff2acd7d MG |
420 | static struct clk aes0_fck; |
421 | DEFINE_STRUCT_CLK_HW_OMAP(aes0_fck, NULL); | |
422 | DEFINE_STRUCT_CLK(aes0_fck, dpll_core_ck_parents, clk_ops_null); | |
423 | ||
b84a76ae LV |
424 | static struct clk rng_fck; |
425 | DEFINE_STRUCT_CLK_HW_OMAP(rng_fck, NULL); | |
426 | DEFINE_STRUCT_CLK(rng_fck, dpll_core_ck_parents, clk_ops_null); | |
427 | ||
b4c63295 VH |
428 | /* |
429 | * Modules clock nodes | |
430 | * | |
431 | * The following clock leaf nodes are added for the moment because: | |
432 | * | |
433 | * - hwmod data is not present for these modules, either hwmod | |
434 | * control is not required or its not populated. | |
435 | * - Driver code is not yet migrated to use hwmod/runtime pm | |
436 | * - Modules outside kernel access (to disable them by default) | |
437 | * | |
b4c63295 VH |
438 | * - mmu (gfx domain) |
439 | * - cefuse | |
440 | * - usbotg_fck (its additional clock and not really a modulemode) | |
441 | * - ieee5000 | |
442 | */ | |
b4c63295 VH |
443 | |
444 | DEFINE_CLK_GATE(mmu_fck, "dpll_core_m4_ck", &dpll_core_m4_ck, 0x0, | |
445 | AM33XX_CM_GFX_MMUDATA_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT, | |
446 | 0x0, NULL); | |
447 | ||
448 | DEFINE_CLK_GATE(cefuse_fck, "sys_clkin_ck", &sys_clkin_ck, 0x0, | |
449 | AM33XX_CM_CEFUSE_CEFUSE_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT, | |
450 | 0x0, NULL); | |
451 | ||
452 | /* | |
453 | * clkdiv32 is generated from fixed division of 732.4219 | |
454 | */ | |
455 | DEFINE_CLK_FIXED_FACTOR(clkdiv32k_ck, "clk_24mhz", &clk_24mhz, 0x0, 1, 732); | |
456 | ||
a6d25f4c VH |
457 | static struct clk clkdiv32k_ick; |
458 | ||
459 | static const char *clkdiv32k_ick_parent_names[] = { | |
460 | "clkdiv32k_ck", | |
461 | }; | |
462 | ||
463 | static const struct clk_ops clkdiv32k_ick_ops = { | |
464 | .enable = &omap2_dflt_clk_enable, | |
465 | .disable = &omap2_dflt_clk_disable, | |
466 | .is_enabled = &omap2_dflt_clk_is_enabled, | |
467 | .init = &omap2_init_clk_clkdm, | |
468 | }; | |
469 | ||
470 | static struct clk_hw_omap clkdiv32k_ick_hw = { | |
471 | .hw = { | |
472 | .clk = &clkdiv32k_ick, | |
473 | }, | |
474 | .enable_reg = AM33XX_CM_PER_CLKDIV32K_CLKCTRL, | |
475 | .enable_bit = AM33XX_MODULEMODE_SWCTRL_SHIFT, | |
476 | .clkdm_name = "clk_24mhz_clkdm", | |
477 | }; | |
478 | ||
479 | DEFINE_STRUCT_CLK(clkdiv32k_ick, clkdiv32k_ick_parent_names, clkdiv32k_ick_ops); | |
b4c63295 VH |
480 | |
481 | /* "usbotg_fck" is an additional clock and not really a modulemode */ | |
482 | DEFINE_CLK_GATE(usbotg_fck, "dpll_per_ck", &dpll_per_ck, 0x0, | |
483 | AM33XX_CM_CLKDCOLDO_DPLL_PER, AM33XX_ST_DPLL_CLKDCOLDO_SHIFT, | |
484 | 0x0, NULL); | |
485 | ||
486 | DEFINE_CLK_GATE(ieee5000_fck, "dpll_core_m4_div2_ck", &dpll_core_m4_div2_ck, | |
487 | 0x0, AM33XX_CM_PER_IEEE5000_CLKCTRL, | |
488 | AM33XX_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); | |
489 | ||
490 | /* Timers */ | |
491 | static const struct clksel timer1_clkmux_sel[] = { | |
492 | { .parent = &sys_clkin_ck, .rates = div_1_0_rates }, | |
493 | { .parent = &clkdiv32k_ick, .rates = div_1_1_rates }, | |
494 | { .parent = &tclkin_ck, .rates = div_1_2_rates }, | |
495 | { .parent = &clk_rc32k_ck, .rates = div_1_3_rates }, | |
496 | { .parent = &clk_32768_ck, .rates = div_1_4_rates }, | |
497 | { .parent = NULL }, | |
498 | }; | |
499 | ||
500 | static const char *timer1_ck_parents[] = { | |
501 | "sys_clkin_ck", "clkdiv32k_ick", "tclkin_ck", "clk_rc32k_ck", | |
502 | "clk_32768_ck", | |
503 | }; | |
504 | ||
505 | static struct clk timer1_fck; | |
506 | ||
507 | static const struct clk_ops timer1_fck_ops = { | |
508 | .recalc_rate = &omap2_clksel_recalc, | |
509 | .get_parent = &omap2_clksel_find_parent_index, | |
510 | .set_parent = &omap2_clksel_set_parent, | |
511 | .init = &omap2_init_clk_clkdm, | |
512 | }; | |
513 | ||
514 | static struct clk_hw_omap timer1_fck_hw = { | |
515 | .hw = { | |
516 | .clk = &timer1_fck, | |
517 | }, | |
518 | .clkdm_name = "l4ls_clkdm", | |
519 | .clksel = timer1_clkmux_sel, | |
520 | .clksel_reg = AM33XX_CLKSEL_TIMER1MS_CLK, | |
521 | .clksel_mask = AM33XX_CLKSEL_0_2_MASK, | |
522 | }; | |
523 | ||
524 | DEFINE_STRUCT_CLK(timer1_fck, timer1_ck_parents, timer1_fck_ops); | |
525 | ||
526 | static const struct clksel timer2_to_7_clk_sel[] = { | |
527 | { .parent = &tclkin_ck, .rates = div_1_0_rates }, | |
528 | { .parent = &sys_clkin_ck, .rates = div_1_1_rates }, | |
529 | { .parent = &clkdiv32k_ick, .rates = div_1_2_rates }, | |
530 | { .parent = NULL }, | |
531 | }; | |
532 | ||
533 | static const char *timer2_to_7_ck_parents[] = { | |
534 | "tclkin_ck", "sys_clkin_ck", "clkdiv32k_ick", | |
535 | }; | |
536 | ||
537 | static struct clk timer2_fck; | |
538 | ||
539 | static struct clk_hw_omap timer2_fck_hw = { | |
540 | .hw = { | |
541 | .clk = &timer2_fck, | |
542 | }, | |
543 | .clkdm_name = "l4ls_clkdm", | |
544 | .clksel = timer2_to_7_clk_sel, | |
545 | .clksel_reg = AM33XX_CLKSEL_TIMER2_CLK, | |
546 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, | |
547 | }; | |
548 | ||
549 | DEFINE_STRUCT_CLK(timer2_fck, timer2_to_7_ck_parents, timer1_fck_ops); | |
550 | ||
551 | static struct clk timer3_fck; | |
552 | ||
553 | static struct clk_hw_omap timer3_fck_hw = { | |
554 | .hw = { | |
555 | .clk = &timer3_fck, | |
556 | }, | |
557 | .clkdm_name = "l4ls_clkdm", | |
558 | .clksel = timer2_to_7_clk_sel, | |
559 | .clksel_reg = AM33XX_CLKSEL_TIMER3_CLK, | |
560 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, | |
561 | }; | |
562 | ||
563 | DEFINE_STRUCT_CLK(timer3_fck, timer2_to_7_ck_parents, timer1_fck_ops); | |
564 | ||
565 | static struct clk timer4_fck; | |
566 | ||
567 | static struct clk_hw_omap timer4_fck_hw = { | |
568 | .hw = { | |
569 | .clk = &timer4_fck, | |
570 | }, | |
571 | .clkdm_name = "l4ls_clkdm", | |
572 | .clksel = timer2_to_7_clk_sel, | |
573 | .clksel_reg = AM33XX_CLKSEL_TIMER4_CLK, | |
574 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, | |
575 | }; | |
576 | ||
577 | DEFINE_STRUCT_CLK(timer4_fck, timer2_to_7_ck_parents, timer1_fck_ops); | |
578 | ||
579 | static struct clk timer5_fck; | |
580 | ||
581 | static struct clk_hw_omap timer5_fck_hw = { | |
582 | .hw = { | |
583 | .clk = &timer5_fck, | |
584 | }, | |
585 | .clkdm_name = "l4ls_clkdm", | |
586 | .clksel = timer2_to_7_clk_sel, | |
587 | .clksel_reg = AM33XX_CLKSEL_TIMER5_CLK, | |
588 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, | |
589 | }; | |
590 | ||
591 | DEFINE_STRUCT_CLK(timer5_fck, timer2_to_7_ck_parents, timer1_fck_ops); | |
592 | ||
593 | static struct clk timer6_fck; | |
594 | ||
595 | static struct clk_hw_omap timer6_fck_hw = { | |
596 | .hw = { | |
597 | .clk = &timer6_fck, | |
598 | }, | |
599 | .clkdm_name = "l4ls_clkdm", | |
600 | .clksel = timer2_to_7_clk_sel, | |
601 | .clksel_reg = AM33XX_CLKSEL_TIMER6_CLK, | |
602 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, | |
603 | }; | |
604 | ||
605 | DEFINE_STRUCT_CLK(timer6_fck, timer2_to_7_ck_parents, timer1_fck_ops); | |
606 | ||
607 | static struct clk timer7_fck; | |
608 | ||
609 | static struct clk_hw_omap timer7_fck_hw = { | |
610 | .hw = { | |
611 | .clk = &timer7_fck, | |
612 | }, | |
613 | .clkdm_name = "l4ls_clkdm", | |
614 | .clksel = timer2_to_7_clk_sel, | |
615 | .clksel_reg = AM33XX_CLKSEL_TIMER7_CLK, | |
616 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, | |
617 | }; | |
618 | ||
619 | DEFINE_STRUCT_CLK(timer7_fck, timer2_to_7_ck_parents, timer1_fck_ops); | |
620 | ||
621 | DEFINE_CLK_FIXED_FACTOR(cpsw_125mhz_gclk, | |
622 | "dpll_core_m5_ck", | |
623 | &dpll_core_m5_ck, | |
624 | 0x0, | |
625 | 1, 2); | |
626 | ||
627 | static const struct clk_ops cpsw_fck_ops = { | |
628 | .recalc_rate = &omap2_clksel_recalc, | |
629 | .get_parent = &omap2_clksel_find_parent_index, | |
630 | .set_parent = &omap2_clksel_set_parent, | |
631 | }; | |
632 | ||
633 | static const struct clksel cpsw_cpts_rft_clkmux_sel[] = { | |
634 | { .parent = &dpll_core_m5_ck, .rates = div_1_0_rates }, | |
635 | { .parent = &dpll_core_m4_ck, .rates = div_1_1_rates }, | |
636 | { .parent = NULL }, | |
637 | }; | |
638 | ||
639 | static const char *cpsw_cpts_rft_ck_parents[] = { | |
640 | "dpll_core_m5_ck", "dpll_core_m4_ck", | |
641 | }; | |
642 | ||
643 | static struct clk cpsw_cpts_rft_clk; | |
644 | ||
645 | static struct clk_hw_omap cpsw_cpts_rft_clk_hw = { | |
646 | .hw = { | |
647 | .clk = &cpsw_cpts_rft_clk, | |
648 | }, | |
649 | .clkdm_name = "cpsw_125mhz_clkdm", | |
650 | .clksel = cpsw_cpts_rft_clkmux_sel, | |
651 | .clksel_reg = AM33XX_CM_CPTS_RFT_CLKSEL, | |
652 | .clksel_mask = AM33XX_CLKSEL_0_0_MASK, | |
653 | }; | |
654 | ||
655 | DEFINE_STRUCT_CLK(cpsw_cpts_rft_clk, cpsw_cpts_rft_ck_parents, cpsw_fck_ops); | |
656 | ||
657 | ||
658 | /* gpio */ | |
659 | static const char *gpio0_ck_parents[] = { | |
660 | "clk_rc32k_ck", "clk_32768_ck", "clkdiv32k_ick", | |
661 | }; | |
662 | ||
663 | static const struct clksel gpio0_dbclk_mux_sel[] = { | |
664 | { .parent = &clk_rc32k_ck, .rates = div_1_0_rates }, | |
665 | { .parent = &clk_32768_ck, .rates = div_1_1_rates }, | |
666 | { .parent = &clkdiv32k_ick, .rates = div_1_2_rates }, | |
667 | { .parent = NULL }, | |
668 | }; | |
669 | ||
670 | static const struct clk_ops gpio_fck_ops = { | |
671 | .recalc_rate = &omap2_clksel_recalc, | |
672 | .get_parent = &omap2_clksel_find_parent_index, | |
673 | .set_parent = &omap2_clksel_set_parent, | |
674 | .init = &omap2_init_clk_clkdm, | |
675 | }; | |
676 | ||
677 | static struct clk gpio0_dbclk_mux_ck; | |
678 | ||
679 | static struct clk_hw_omap gpio0_dbclk_mux_ck_hw = { | |
680 | .hw = { | |
681 | .clk = &gpio0_dbclk_mux_ck, | |
682 | }, | |
683 | .clkdm_name = "l4_wkup_clkdm", | |
684 | .clksel = gpio0_dbclk_mux_sel, | |
685 | .clksel_reg = AM33XX_CLKSEL_GPIO0_DBCLK, | |
686 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, | |
687 | }; | |
688 | ||
689 | DEFINE_STRUCT_CLK(gpio0_dbclk_mux_ck, gpio0_ck_parents, gpio_fck_ops); | |
690 | ||
691 | DEFINE_CLK_GATE(gpio0_dbclk, "gpio0_dbclk_mux_ck", &gpio0_dbclk_mux_ck, 0x0, | |
692 | AM33XX_CM_WKUP_GPIO0_CLKCTRL, | |
693 | AM33XX_OPTFCLKEN_GPIO0_GDBCLK_SHIFT, 0x0, NULL); | |
694 | ||
695 | DEFINE_CLK_GATE(gpio1_dbclk, "clkdiv32k_ick", &clkdiv32k_ick, 0x0, | |
696 | AM33XX_CM_PER_GPIO1_CLKCTRL, | |
697 | AM33XX_OPTFCLKEN_GPIO_1_GDBCLK_SHIFT, 0x0, NULL); | |
698 | ||
699 | DEFINE_CLK_GATE(gpio2_dbclk, "clkdiv32k_ick", &clkdiv32k_ick, 0x0, | |
700 | AM33XX_CM_PER_GPIO2_CLKCTRL, | |
701 | AM33XX_OPTFCLKEN_GPIO_2_GDBCLK_SHIFT, 0x0, NULL); | |
702 | ||
703 | DEFINE_CLK_GATE(gpio3_dbclk, "clkdiv32k_ick", &clkdiv32k_ick, 0x0, | |
704 | AM33XX_CM_PER_GPIO3_CLKCTRL, | |
705 | AM33XX_OPTFCLKEN_GPIO_3_GDBCLK_SHIFT, 0x0, NULL); | |
706 | ||
707 | ||
708 | static const char *pruss_ck_parents[] = { | |
709 | "l3_gclk", "dpll_disp_m2_ck", | |
710 | }; | |
711 | ||
712 | static const struct clksel pruss_ocp_clk_mux_sel[] = { | |
713 | { .parent = &l3_gclk, .rates = div_1_0_rates }, | |
714 | { .parent = &dpll_disp_m2_ck, .rates = div_1_1_rates }, | |
715 | { .parent = NULL }, | |
716 | }; | |
717 | ||
718 | static struct clk pruss_ocp_gclk; | |
719 | ||
720 | static struct clk_hw_omap pruss_ocp_gclk_hw = { | |
721 | .hw = { | |
722 | .clk = &pruss_ocp_gclk, | |
723 | }, | |
724 | .clkdm_name = "pruss_ocp_clkdm", | |
725 | .clksel = pruss_ocp_clk_mux_sel, | |
726 | .clksel_reg = AM33XX_CLKSEL_PRUSS_OCP_CLK, | |
727 | .clksel_mask = AM33XX_CLKSEL_0_0_MASK, | |
728 | }; | |
729 | ||
730 | DEFINE_STRUCT_CLK(pruss_ocp_gclk, pruss_ck_parents, gpio_fck_ops); | |
731 | ||
732 | static const char *lcd_ck_parents[] = { | |
733 | "dpll_disp_m2_ck", "dpll_core_m5_ck", "dpll_per_m2_ck", | |
734 | }; | |
735 | ||
736 | static const struct clksel lcd_clk_mux_sel[] = { | |
737 | { .parent = &dpll_disp_m2_ck, .rates = div_1_0_rates }, | |
738 | { .parent = &dpll_core_m5_ck, .rates = div_1_1_rates }, | |
739 | { .parent = &dpll_per_m2_ck, .rates = div_1_2_rates }, | |
740 | { .parent = NULL }, | |
741 | }; | |
742 | ||
743 | static struct clk lcd_gclk; | |
744 | ||
745 | static struct clk_hw_omap lcd_gclk_hw = { | |
746 | .hw = { | |
747 | .clk = &lcd_gclk, | |
748 | }, | |
749 | .clkdm_name = "lcdc_clkdm", | |
750 | .clksel = lcd_clk_mux_sel, | |
751 | .clksel_reg = AM33XX_CLKSEL_LCDC_PIXEL_CLK, | |
752 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, | |
753 | }; | |
754 | ||
0c3c22f9 AM |
755 | DEFINE_STRUCT_CLK_FLAGS(lcd_gclk, lcd_ck_parents, |
756 | gpio_fck_ops, CLK_SET_RATE_PARENT); | |
b4c63295 VH |
757 | |
758 | DEFINE_CLK_FIXED_FACTOR(mmc_clk, "dpll_per_m2_ck", &dpll_per_m2_ck, 0x0, 1, 2); | |
759 | ||
760 | static const char *gfx_ck_parents[] = { | |
761 | "dpll_core_m4_ck", "dpll_per_m2_ck", | |
762 | }; | |
763 | ||
764 | static const struct clksel gfx_clksel_sel[] = { | |
765 | { .parent = &dpll_core_m4_ck, .rates = div_1_0_rates }, | |
766 | { .parent = &dpll_per_m2_ck, .rates = div_1_1_rates }, | |
767 | { .parent = NULL }, | |
768 | }; | |
769 | ||
770 | static struct clk gfx_fclk_clksel_ck; | |
771 | ||
772 | static struct clk_hw_omap gfx_fclk_clksel_ck_hw = { | |
773 | .hw = { | |
774 | .clk = &gfx_fclk_clksel_ck, | |
775 | }, | |
776 | .clksel = gfx_clksel_sel, | |
777 | .clksel_reg = AM33XX_CLKSEL_GFX_FCLK, | |
778 | .clksel_mask = AM33XX_CLKSEL_GFX_FCLK_MASK, | |
779 | }; | |
780 | ||
781 | DEFINE_STRUCT_CLK(gfx_fclk_clksel_ck, gfx_ck_parents, gpio_fck_ops); | |
782 | ||
783 | static const struct clk_div_table div_1_0_2_1_rates[] = { | |
784 | { .div = 1, .val = 0, }, | |
785 | { .div = 2, .val = 1, }, | |
786 | { .div = 0 }, | |
787 | }; | |
788 | ||
789 | DEFINE_CLK_DIVIDER_TABLE(gfx_fck_div_ck, "gfx_fclk_clksel_ck", | |
790 | &gfx_fclk_clksel_ck, 0x0, AM33XX_CLKSEL_GFX_FCLK, | |
791 | AM33XX_CLKSEL_0_0_SHIFT, AM33XX_CLKSEL_0_0_WIDTH, | |
792 | 0x0, div_1_0_2_1_rates, NULL); | |
793 | ||
794 | static const char *sysclkout_ck_parents[] = { | |
795 | "clk_32768_ck", "l3_gclk", "dpll_ddr_m2_ck", "dpll_per_m2_ck", | |
796 | "lcd_gclk", | |
797 | }; | |
798 | ||
799 | static const struct clksel sysclkout_pre_sel[] = { | |
800 | { .parent = &clk_32768_ck, .rates = div_1_0_rates }, | |
801 | { .parent = &l3_gclk, .rates = div_1_1_rates }, | |
802 | { .parent = &dpll_ddr_m2_ck, .rates = div_1_2_rates }, | |
803 | { .parent = &dpll_per_m2_ck, .rates = div_1_3_rates }, | |
804 | { .parent = &lcd_gclk, .rates = div_1_4_rates }, | |
805 | { .parent = NULL }, | |
806 | }; | |
807 | ||
808 | static struct clk sysclkout_pre_ck; | |
809 | ||
810 | static struct clk_hw_omap sysclkout_pre_ck_hw = { | |
811 | .hw = { | |
812 | .clk = &sysclkout_pre_ck, | |
813 | }, | |
814 | .clksel = sysclkout_pre_sel, | |
815 | .clksel_reg = AM33XX_CM_CLKOUT_CTRL, | |
816 | .clksel_mask = AM33XX_CLKOUT2SOURCE_MASK, | |
817 | }; | |
818 | ||
819 | DEFINE_STRUCT_CLK(sysclkout_pre_ck, sysclkout_ck_parents, gpio_fck_ops); | |
820 | ||
821 | /* Divide by 8 clock rates with default clock is 1/1*/ | |
822 | static const struct clk_div_table div8_rates[] = { | |
823 | { .div = 1, .val = 0, }, | |
824 | { .div = 2, .val = 1, }, | |
825 | { .div = 3, .val = 2, }, | |
826 | { .div = 4, .val = 3, }, | |
827 | { .div = 5, .val = 4, }, | |
828 | { .div = 6, .val = 5, }, | |
829 | { .div = 7, .val = 6, }, | |
830 | { .div = 8, .val = 7, }, | |
831 | { .div = 0 }, | |
832 | }; | |
833 | ||
834 | DEFINE_CLK_DIVIDER_TABLE(clkout2_div_ck, "sysclkout_pre_ck", &sysclkout_pre_ck, | |
835 | 0x0, AM33XX_CM_CLKOUT_CTRL, AM33XX_CLKOUT2DIV_SHIFT, | |
836 | AM33XX_CLKOUT2DIV_WIDTH, 0x0, div8_rates, NULL); | |
837 | ||
838 | DEFINE_CLK_GATE(clkout2_ck, "clkout2_div_ck", &clkout2_div_ck, 0x0, | |
839 | AM33XX_CM_CLKOUT_CTRL, AM33XX_CLKOUT2EN_SHIFT, 0x0, NULL); | |
840 | ||
841 | static const char *wdt_ck_parents[] = { | |
842 | "clk_rc32k_ck", "clkdiv32k_ick", | |
843 | }; | |
844 | ||
845 | static const struct clksel wdt_clkmux_sel[] = { | |
846 | { .parent = &clk_rc32k_ck, .rates = div_1_0_rates }, | |
847 | { .parent = &clkdiv32k_ick, .rates = div_1_1_rates }, | |
848 | { .parent = NULL }, | |
849 | }; | |
850 | ||
851 | static struct clk wdt1_fck; | |
852 | ||
853 | static struct clk_hw_omap wdt1_fck_hw = { | |
854 | .hw = { | |
855 | .clk = &wdt1_fck, | |
856 | }, | |
857 | .clkdm_name = "l4_wkup_clkdm", | |
858 | .clksel = wdt_clkmux_sel, | |
859 | .clksel_reg = AM33XX_CLKSEL_WDT1_CLK, | |
860 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, | |
861 | }; | |
862 | ||
863 | DEFINE_STRUCT_CLK(wdt1_fck, wdt_ck_parents, gpio_fck_ops); | |
864 | ||
563ce4d5 PA |
865 | static const char *pwmss_clk_parents[] = { |
866 | "dpll_per_m2_ck", | |
867 | }; | |
868 | ||
869 | static const struct clk_ops ehrpwm_tbclk_ops = { | |
870 | .enable = &omap2_dflt_clk_enable, | |
871 | .disable = &omap2_dflt_clk_disable, | |
872 | }; | |
873 | ||
874 | DEFINE_CLK_OMAP_MUX_GATE(ehrpwm0_tbclk, "l4ls_clkdm", | |
875 | NULL, NULL, 0, | |
876 | AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL), | |
877 | AM33XX_PWMSS0_TBCLKEN_SHIFT, | |
878 | NULL, pwmss_clk_parents, ehrpwm_tbclk_ops); | |
879 | ||
880 | DEFINE_CLK_OMAP_MUX_GATE(ehrpwm1_tbclk, "l4ls_clkdm", | |
881 | NULL, NULL, 0, | |
882 | AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL), | |
883 | AM33XX_PWMSS1_TBCLKEN_SHIFT, | |
884 | NULL, pwmss_clk_parents, ehrpwm_tbclk_ops); | |
885 | ||
886 | DEFINE_CLK_OMAP_MUX_GATE(ehrpwm2_tbclk, "l4ls_clkdm", | |
887 | NULL, NULL, 0, | |
888 | AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL), | |
889 | AM33XX_PWMSS2_TBCLKEN_SHIFT, | |
890 | NULL, pwmss_clk_parents, ehrpwm_tbclk_ops); | |
891 | ||
4fd8a19e VH |
892 | /* |
893 | * debugss optional clocks | |
894 | */ | |
895 | DEFINE_CLK_GATE(dbg_sysclk_ck, "sys_clkin_ck", &sys_clkin_ck, | |
896 | 0x0, AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, | |
897 | AM33XX_OPTFCLKEN_DBGSYSCLK_SHIFT, 0x0, NULL); | |
898 | ||
899 | DEFINE_CLK_GATE(dbg_clka_ck, "dpll_core_m4_ck", &dpll_core_m4_ck, | |
900 | 0x0, AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, | |
901 | AM33XX_OPTCLK_DEBUG_CLKA_SHIFT, 0x0, NULL); | |
902 | ||
903 | static const char *stm_pmd_clock_mux_ck_parents[] = { | |
904 | "dbg_sysclk_ck", "dbg_clka_ck", | |
905 | }; | |
906 | ||
907 | DEFINE_CLK_MUX(stm_pmd_clock_mux_ck, stm_pmd_clock_mux_ck_parents, NULL, 0x0, | |
908 | AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, AM33XX_STM_PMD_CLKSEL_SHIFT, | |
909 | AM33XX_STM_PMD_CLKSEL_WIDTH, 0x0, NULL); | |
910 | ||
911 | DEFINE_CLK_MUX(trace_pmd_clk_mux_ck, stm_pmd_clock_mux_ck_parents, NULL, 0x0, | |
912 | AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, | |
913 | AM33XX_TRC_PMD_CLKSEL_SHIFT, | |
914 | AM33XX_TRC_PMD_CLKSEL_WIDTH, 0x0, NULL); | |
915 | ||
916 | DEFINE_CLK_DIVIDER(stm_clk_div_ck, "stm_pmd_clock_mux_ck", | |
917 | &stm_pmd_clock_mux_ck, 0x0, AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, | |
918 | AM33XX_STM_PMD_CLKDIVSEL_SHIFT, | |
919 | AM33XX_STM_PMD_CLKDIVSEL_WIDTH, CLK_DIVIDER_POWER_OF_TWO, | |
920 | NULL); | |
921 | ||
922 | DEFINE_CLK_DIVIDER(trace_clk_div_ck, "trace_pmd_clk_mux_ck", | |
923 | &trace_pmd_clk_mux_ck, 0x0, AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, | |
924 | AM33XX_TRC_PMD_CLKDIVSEL_SHIFT, | |
925 | AM33XX_TRC_PMD_CLKDIVSEL_WIDTH, CLK_DIVIDER_POWER_OF_TWO, | |
926 | NULL); | |
927 | ||
b4c63295 VH |
928 | /* |
929 | * clkdev | |
930 | */ | |
931 | static struct omap_clk am33xx_clks[] = { | |
78e52e02 K |
932 | CLK(NULL, "clk_32768_ck", &clk_32768_ck), |
933 | CLK(NULL, "clk_rc32k_ck", &clk_rc32k_ck), | |
934 | CLK(NULL, "virt_19200000_ck", &virt_19200000_ck), | |
935 | CLK(NULL, "virt_24000000_ck", &virt_24000000_ck), | |
936 | CLK(NULL, "virt_25000000_ck", &virt_25000000_ck), | |
937 | CLK(NULL, "virt_26000000_ck", &virt_26000000_ck), | |
938 | CLK(NULL, "sys_clkin_ck", &sys_clkin_ck), | |
939 | CLK(NULL, "tclkin_ck", &tclkin_ck), | |
940 | CLK(NULL, "dpll_core_ck", &dpll_core_ck), | |
941 | CLK(NULL, "dpll_core_x2_ck", &dpll_core_x2_ck), | |
942 | CLK(NULL, "dpll_core_m4_ck", &dpll_core_m4_ck), | |
943 | CLK(NULL, "dpll_core_m5_ck", &dpll_core_m5_ck), | |
944 | CLK(NULL, "dpll_core_m6_ck", &dpll_core_m6_ck), | |
945 | CLK(NULL, "dpll_mpu_ck", &dpll_mpu_ck), | |
946 | CLK("cpu0", NULL, &dpll_mpu_ck), | |
947 | CLK(NULL, "dpll_mpu_m2_ck", &dpll_mpu_m2_ck), | |
948 | CLK(NULL, "dpll_ddr_ck", &dpll_ddr_ck), | |
949 | CLK(NULL, "dpll_ddr_m2_ck", &dpll_ddr_m2_ck), | |
950 | CLK(NULL, "dpll_ddr_m2_div2_ck", &dpll_ddr_m2_div2_ck), | |
951 | CLK(NULL, "dpll_disp_ck", &dpll_disp_ck), | |
952 | CLK(NULL, "dpll_disp_m2_ck", &dpll_disp_m2_ck), | |
953 | CLK(NULL, "dpll_per_ck", &dpll_per_ck), | |
954 | CLK(NULL, "dpll_per_m2_ck", &dpll_per_m2_ck), | |
955 | CLK(NULL, "dpll_per_m2_div4_wkupdm_ck", &dpll_per_m2_div4_wkupdm_ck), | |
956 | CLK(NULL, "dpll_per_m2_div4_ck", &dpll_per_m2_div4_ck), | |
957 | CLK(NULL, "adc_tsc_fck", &adc_tsc_fck), | |
958 | CLK(NULL, "cefuse_fck", &cefuse_fck), | |
959 | CLK(NULL, "clkdiv32k_ck", &clkdiv32k_ck), | |
960 | CLK(NULL, "clkdiv32k_ick", &clkdiv32k_ick), | |
961 | CLK(NULL, "dcan0_fck", &dcan0_fck), | |
962 | CLK("481cc000.d_can", NULL, &dcan0_fck), | |
963 | CLK(NULL, "dcan1_fck", &dcan1_fck), | |
964 | CLK("481d0000.d_can", NULL, &dcan1_fck), | |
78e52e02 K |
965 | CLK(NULL, "pruss_ocp_gclk", &pruss_ocp_gclk), |
966 | CLK(NULL, "mcasp0_fck", &mcasp0_fck), | |
967 | CLK(NULL, "mcasp1_fck", &mcasp1_fck), | |
968 | CLK(NULL, "mmu_fck", &mmu_fck), | |
969 | CLK(NULL, "smartreflex0_fck", &smartreflex0_fck), | |
970 | CLK(NULL, "smartreflex1_fck", &smartreflex1_fck), | |
44a9462d | 971 | CLK(NULL, "sha0_fck", &sha0_fck), |
ff2acd7d | 972 | CLK(NULL, "aes0_fck", &aes0_fck), |
b84a76ae | 973 | CLK(NULL, "rng_fck", &rng_fck), |
78e52e02 K |
974 | CLK(NULL, "timer1_fck", &timer1_fck), |
975 | CLK(NULL, "timer2_fck", &timer2_fck), | |
976 | CLK(NULL, "timer3_fck", &timer3_fck), | |
977 | CLK(NULL, "timer4_fck", &timer4_fck), | |
978 | CLK(NULL, "timer5_fck", &timer5_fck), | |
979 | CLK(NULL, "timer6_fck", &timer6_fck), | |
980 | CLK(NULL, "timer7_fck", &timer7_fck), | |
981 | CLK(NULL, "usbotg_fck", &usbotg_fck), | |
982 | CLK(NULL, "ieee5000_fck", &ieee5000_fck), | |
983 | CLK(NULL, "wdt1_fck", &wdt1_fck), | |
984 | CLK(NULL, "l4_rtc_gclk", &l4_rtc_gclk), | |
985 | CLK(NULL, "l3_gclk", &l3_gclk), | |
986 | CLK(NULL, "dpll_core_m4_div2_ck", &dpll_core_m4_div2_ck), | |
987 | CLK(NULL, "l4hs_gclk", &l4hs_gclk), | |
988 | CLK(NULL, "l3s_gclk", &l3s_gclk), | |
989 | CLK(NULL, "l4fw_gclk", &l4fw_gclk), | |
990 | CLK(NULL, "l4ls_gclk", &l4ls_gclk), | |
991 | CLK(NULL, "clk_24mhz", &clk_24mhz), | |
992 | CLK(NULL, "sysclk_div_ck", &sysclk_div_ck), | |
993 | CLK(NULL, "cpsw_125mhz_gclk", &cpsw_125mhz_gclk), | |
994 | CLK(NULL, "cpsw_cpts_rft_clk", &cpsw_cpts_rft_clk), | |
995 | CLK(NULL, "gpio0_dbclk_mux_ck", &gpio0_dbclk_mux_ck), | |
996 | CLK(NULL, "gpio0_dbclk", &gpio0_dbclk), | |
997 | CLK(NULL, "gpio1_dbclk", &gpio1_dbclk), | |
998 | CLK(NULL, "gpio2_dbclk", &gpio2_dbclk), | |
999 | CLK(NULL, "gpio3_dbclk", &gpio3_dbclk), | |
1000 | CLK(NULL, "lcd_gclk", &lcd_gclk), | |
1001 | CLK(NULL, "mmc_clk", &mmc_clk), | |
1002 | CLK(NULL, "gfx_fclk_clksel_ck", &gfx_fclk_clksel_ck), | |
1003 | CLK(NULL, "gfx_fck_div_ck", &gfx_fck_div_ck), | |
1004 | CLK(NULL, "sysclkout_pre_ck", &sysclkout_pre_ck), | |
1005 | CLK(NULL, "clkout2_div_ck", &clkout2_div_ck), | |
1006 | CLK(NULL, "timer_32k_ck", &clkdiv32k_ick), | |
1007 | CLK(NULL, "timer_sys_ck", &sys_clkin_ck), | |
4fd8a19e VH |
1008 | CLK(NULL, "dbg_sysclk_ck", &dbg_sysclk_ck), |
1009 | CLK(NULL, "dbg_clka_ck", &dbg_clka_ck), | |
1010 | CLK(NULL, "stm_pmd_clock_mux_ck", &stm_pmd_clock_mux_ck), | |
1011 | CLK(NULL, "trace_pmd_clk_mux_ck", &trace_pmd_clk_mux_ck), | |
1012 | CLK(NULL, "stm_clk_div_ck", &stm_clk_div_ck), | |
1013 | CLK(NULL, "trace_clk_div_ck", &trace_clk_div_ck), | |
75fbbca2 | 1014 | CLK(NULL, "clkout2_ck", &clkout2_ck), |
563ce4d5 PA |
1015 | CLK("48300200.ehrpwm", "tbclk", &ehrpwm0_tbclk), |
1016 | CLK("48302200.ehrpwm", "tbclk", &ehrpwm1_tbclk), | |
1017 | CLK("48304200.ehrpwm", "tbclk", &ehrpwm2_tbclk), | |
b4c63295 VH |
1018 | }; |
1019 | ||
1020 | ||
1021 | static const char *enable_init_clks[] = { | |
1022 | "dpll_ddr_m2_ck", | |
1023 | "dpll_mpu_m2_ck", | |
1024 | "l3_gclk", | |
1025 | "l4hs_gclk", | |
1026 | "l4fw_gclk", | |
1027 | "l4ls_gclk", | |
75fbbca2 | 1028 | "clkout2_ck", /* Required for external peripherals like, Audio codecs */ |
b4c63295 VH |
1029 | }; |
1030 | ||
1031 | int __init am33xx_clk_init(void) | |
1032 | { | |
78e52e02 | 1033 | if (soc_is_am33xx()) |
b4c63295 | 1034 | cpu_mask = RATE_IN_AM33XX; |
78e52e02 K |
1035 | |
1036 | omap_clocks_register(am33xx_clks, ARRAY_SIZE(am33xx_clks)); | |
b4c63295 VH |
1037 | |
1038 | omap2_clk_disable_autoidle_all(); | |
1039 | ||
1040 | omap2_clk_enable_init_clocks(enable_init_clks, | |
1041 | ARRAY_SIZE(enable_init_clks)); | |
1042 | ||
1043 | /* TRM ERRATA: Timer 3 & 6 default parent (TCLKIN) may not be always | |
1044 | * physically present, in such a case HWMOD enabling of | |
1045 | * clock would be failure with default parent. And timer | |
1046 | * probe thinks clock is already enabled, this leads to | |
1047 | * crash upon accessing timer 3 & 6 registers in probe. | |
1048 | * Fix by setting parent of both these timers to master | |
1049 | * oscillator clock. | |
1050 | */ | |
1051 | ||
1052 | clk_set_parent(&timer3_fck, &sys_clkin_ck); | |
1053 | clk_set_parent(&timer6_fck, &sys_clkin_ck); | |
da91b89e VH |
1054 | /* |
1055 | * The On-Chip 32K RC Osc clock is not an accurate clock-source as per | |
1056 | * the design/spec, so as a result, for example, timer which supposed | |
1057 | * to get expired @60Sec, but will expire somewhere ~@40Sec, which is | |
1058 | * not expected by any use-case, so change WDT1 clock source to PRCM | |
1059 | * 32KHz clock. | |
1060 | */ | |
1061 | clk_set_parent(&wdt1_fck, &clkdiv32k_ick); | |
b4c63295 VH |
1062 | |
1063 | return 0; | |
1064 | } |