ARM: AM33XX: Add sha0 crypto clock data
[deliverable/linux.git] / arch / arm / mach-omap2 / cclock33xx_data.c
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 */
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);
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
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
420 /*
421 * Modules clock nodes
422 *
423 * The following clock leaf nodes are added for the moment because:
424 *
425 * - hwmod data is not present for these modules, either hwmod
426 * control is not required or its not populated.
427 * - Driver code is not yet migrated to use hwmod/runtime pm
428 * - Modules outside kernel access (to disable them by default)
429 *
430 * - debugss
431 * - mmu (gfx domain)
432 * - cefuse
433 * - usbotg_fck (its additional clock and not really a modulemode)
434 * - ieee5000
435 */
436 DEFINE_CLK_GATE(debugss_ick, "dpll_core_m4_ck", &dpll_core_m4_ck, 0x0,
437 AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT,
438 0x0, NULL);
439
440 DEFINE_CLK_GATE(mmu_fck, "dpll_core_m4_ck", &dpll_core_m4_ck, 0x0,
441 AM33XX_CM_GFX_MMUDATA_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT,
442 0x0, NULL);
443
444 DEFINE_CLK_GATE(cefuse_fck, "sys_clkin_ck", &sys_clkin_ck, 0x0,
445 AM33XX_CM_CEFUSE_CEFUSE_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT,
446 0x0, NULL);
447
448 /*
449 * clkdiv32 is generated from fixed division of 732.4219
450 */
451 DEFINE_CLK_FIXED_FACTOR(clkdiv32k_ck, "clk_24mhz", &clk_24mhz, 0x0, 1, 732);
452
453 DEFINE_CLK_GATE(clkdiv32k_ick, "clkdiv32k_ck", &clkdiv32k_ck, 0x0,
454 AM33XX_CM_PER_CLKDIV32K_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT,
455 0x0, NULL);
456
457 /* "usbotg_fck" is an additional clock and not really a modulemode */
458 DEFINE_CLK_GATE(usbotg_fck, "dpll_per_ck", &dpll_per_ck, 0x0,
459 AM33XX_CM_CLKDCOLDO_DPLL_PER, AM33XX_ST_DPLL_CLKDCOLDO_SHIFT,
460 0x0, NULL);
461
462 DEFINE_CLK_GATE(ieee5000_fck, "dpll_core_m4_div2_ck", &dpll_core_m4_div2_ck,
463 0x0, AM33XX_CM_PER_IEEE5000_CLKCTRL,
464 AM33XX_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL);
465
466 /* Timers */
467 static const struct clksel timer1_clkmux_sel[] = {
468 { .parent = &sys_clkin_ck, .rates = div_1_0_rates },
469 { .parent = &clkdiv32k_ick, .rates = div_1_1_rates },
470 { .parent = &tclkin_ck, .rates = div_1_2_rates },
471 { .parent = &clk_rc32k_ck, .rates = div_1_3_rates },
472 { .parent = &clk_32768_ck, .rates = div_1_4_rates },
473 { .parent = NULL },
474 };
475
476 static const char *timer1_ck_parents[] = {
477 "sys_clkin_ck", "clkdiv32k_ick", "tclkin_ck", "clk_rc32k_ck",
478 "clk_32768_ck",
479 };
480
481 static struct clk timer1_fck;
482
483 static const struct clk_ops timer1_fck_ops = {
484 .recalc_rate = &omap2_clksel_recalc,
485 .get_parent = &omap2_clksel_find_parent_index,
486 .set_parent = &omap2_clksel_set_parent,
487 .init = &omap2_init_clk_clkdm,
488 };
489
490 static struct clk_hw_omap timer1_fck_hw = {
491 .hw = {
492 .clk = &timer1_fck,
493 },
494 .clkdm_name = "l4ls_clkdm",
495 .clksel = timer1_clkmux_sel,
496 .clksel_reg = AM33XX_CLKSEL_TIMER1MS_CLK,
497 .clksel_mask = AM33XX_CLKSEL_0_2_MASK,
498 };
499
500 DEFINE_STRUCT_CLK(timer1_fck, timer1_ck_parents, timer1_fck_ops);
501
502 static const struct clksel timer2_to_7_clk_sel[] = {
503 { .parent = &tclkin_ck, .rates = div_1_0_rates },
504 { .parent = &sys_clkin_ck, .rates = div_1_1_rates },
505 { .parent = &clkdiv32k_ick, .rates = div_1_2_rates },
506 { .parent = NULL },
507 };
508
509 static const char *timer2_to_7_ck_parents[] = {
510 "tclkin_ck", "sys_clkin_ck", "clkdiv32k_ick",
511 };
512
513 static struct clk timer2_fck;
514
515 static struct clk_hw_omap timer2_fck_hw = {
516 .hw = {
517 .clk = &timer2_fck,
518 },
519 .clkdm_name = "l4ls_clkdm",
520 .clksel = timer2_to_7_clk_sel,
521 .clksel_reg = AM33XX_CLKSEL_TIMER2_CLK,
522 .clksel_mask = AM33XX_CLKSEL_0_1_MASK,
523 };
524
525 DEFINE_STRUCT_CLK(timer2_fck, timer2_to_7_ck_parents, timer1_fck_ops);
526
527 static struct clk timer3_fck;
528
529 static struct clk_hw_omap timer3_fck_hw = {
530 .hw = {
531 .clk = &timer3_fck,
532 },
533 .clkdm_name = "l4ls_clkdm",
534 .clksel = timer2_to_7_clk_sel,
535 .clksel_reg = AM33XX_CLKSEL_TIMER3_CLK,
536 .clksel_mask = AM33XX_CLKSEL_0_1_MASK,
537 };
538
539 DEFINE_STRUCT_CLK(timer3_fck, timer2_to_7_ck_parents, timer1_fck_ops);
540
541 static struct clk timer4_fck;
542
543 static struct clk_hw_omap timer4_fck_hw = {
544 .hw = {
545 .clk = &timer4_fck,
546 },
547 .clkdm_name = "l4ls_clkdm",
548 .clksel = timer2_to_7_clk_sel,
549 .clksel_reg = AM33XX_CLKSEL_TIMER4_CLK,
550 .clksel_mask = AM33XX_CLKSEL_0_1_MASK,
551 };
552
553 DEFINE_STRUCT_CLK(timer4_fck, timer2_to_7_ck_parents, timer1_fck_ops);
554
555 static struct clk timer5_fck;
556
557 static struct clk_hw_omap timer5_fck_hw = {
558 .hw = {
559 .clk = &timer5_fck,
560 },
561 .clkdm_name = "l4ls_clkdm",
562 .clksel = timer2_to_7_clk_sel,
563 .clksel_reg = AM33XX_CLKSEL_TIMER5_CLK,
564 .clksel_mask = AM33XX_CLKSEL_0_1_MASK,
565 };
566
567 DEFINE_STRUCT_CLK(timer5_fck, timer2_to_7_ck_parents, timer1_fck_ops);
568
569 static struct clk timer6_fck;
570
571 static struct clk_hw_omap timer6_fck_hw = {
572 .hw = {
573 .clk = &timer6_fck,
574 },
575 .clkdm_name = "l4ls_clkdm",
576 .clksel = timer2_to_7_clk_sel,
577 .clksel_reg = AM33XX_CLKSEL_TIMER6_CLK,
578 .clksel_mask = AM33XX_CLKSEL_0_1_MASK,
579 };
580
581 DEFINE_STRUCT_CLK(timer6_fck, timer2_to_7_ck_parents, timer1_fck_ops);
582
583 static struct clk timer7_fck;
584
585 static struct clk_hw_omap timer7_fck_hw = {
586 .hw = {
587 .clk = &timer7_fck,
588 },
589 .clkdm_name = "l4ls_clkdm",
590 .clksel = timer2_to_7_clk_sel,
591 .clksel_reg = AM33XX_CLKSEL_TIMER7_CLK,
592 .clksel_mask = AM33XX_CLKSEL_0_1_MASK,
593 };
594
595 DEFINE_STRUCT_CLK(timer7_fck, timer2_to_7_ck_parents, timer1_fck_ops);
596
597 DEFINE_CLK_FIXED_FACTOR(cpsw_125mhz_gclk,
598 "dpll_core_m5_ck",
599 &dpll_core_m5_ck,
600 0x0,
601 1, 2);
602
603 static const struct clk_ops cpsw_fck_ops = {
604 .recalc_rate = &omap2_clksel_recalc,
605 .get_parent = &omap2_clksel_find_parent_index,
606 .set_parent = &omap2_clksel_set_parent,
607 };
608
609 static const struct clksel cpsw_cpts_rft_clkmux_sel[] = {
610 { .parent = &dpll_core_m5_ck, .rates = div_1_0_rates },
611 { .parent = &dpll_core_m4_ck, .rates = div_1_1_rates },
612 { .parent = NULL },
613 };
614
615 static const char *cpsw_cpts_rft_ck_parents[] = {
616 "dpll_core_m5_ck", "dpll_core_m4_ck",
617 };
618
619 static struct clk cpsw_cpts_rft_clk;
620
621 static struct clk_hw_omap cpsw_cpts_rft_clk_hw = {
622 .hw = {
623 .clk = &cpsw_cpts_rft_clk,
624 },
625 .clkdm_name = "cpsw_125mhz_clkdm",
626 .clksel = cpsw_cpts_rft_clkmux_sel,
627 .clksel_reg = AM33XX_CM_CPTS_RFT_CLKSEL,
628 .clksel_mask = AM33XX_CLKSEL_0_0_MASK,
629 };
630
631 DEFINE_STRUCT_CLK(cpsw_cpts_rft_clk, cpsw_cpts_rft_ck_parents, cpsw_fck_ops);
632
633
634 /* gpio */
635 static const char *gpio0_ck_parents[] = {
636 "clk_rc32k_ck", "clk_32768_ck", "clkdiv32k_ick",
637 };
638
639 static const struct clksel gpio0_dbclk_mux_sel[] = {
640 { .parent = &clk_rc32k_ck, .rates = div_1_0_rates },
641 { .parent = &clk_32768_ck, .rates = div_1_1_rates },
642 { .parent = &clkdiv32k_ick, .rates = div_1_2_rates },
643 { .parent = NULL },
644 };
645
646 static const struct clk_ops gpio_fck_ops = {
647 .recalc_rate = &omap2_clksel_recalc,
648 .get_parent = &omap2_clksel_find_parent_index,
649 .set_parent = &omap2_clksel_set_parent,
650 .init = &omap2_init_clk_clkdm,
651 };
652
653 static struct clk gpio0_dbclk_mux_ck;
654
655 static struct clk_hw_omap gpio0_dbclk_mux_ck_hw = {
656 .hw = {
657 .clk = &gpio0_dbclk_mux_ck,
658 },
659 .clkdm_name = "l4_wkup_clkdm",
660 .clksel = gpio0_dbclk_mux_sel,
661 .clksel_reg = AM33XX_CLKSEL_GPIO0_DBCLK,
662 .clksel_mask = AM33XX_CLKSEL_0_1_MASK,
663 };
664
665 DEFINE_STRUCT_CLK(gpio0_dbclk_mux_ck, gpio0_ck_parents, gpio_fck_ops);
666
667 DEFINE_CLK_GATE(gpio0_dbclk, "gpio0_dbclk_mux_ck", &gpio0_dbclk_mux_ck, 0x0,
668 AM33XX_CM_WKUP_GPIO0_CLKCTRL,
669 AM33XX_OPTFCLKEN_GPIO0_GDBCLK_SHIFT, 0x0, NULL);
670
671 DEFINE_CLK_GATE(gpio1_dbclk, "clkdiv32k_ick", &clkdiv32k_ick, 0x0,
672 AM33XX_CM_PER_GPIO1_CLKCTRL,
673 AM33XX_OPTFCLKEN_GPIO_1_GDBCLK_SHIFT, 0x0, NULL);
674
675 DEFINE_CLK_GATE(gpio2_dbclk, "clkdiv32k_ick", &clkdiv32k_ick, 0x0,
676 AM33XX_CM_PER_GPIO2_CLKCTRL,
677 AM33XX_OPTFCLKEN_GPIO_2_GDBCLK_SHIFT, 0x0, NULL);
678
679 DEFINE_CLK_GATE(gpio3_dbclk, "clkdiv32k_ick", &clkdiv32k_ick, 0x0,
680 AM33XX_CM_PER_GPIO3_CLKCTRL,
681 AM33XX_OPTFCLKEN_GPIO_3_GDBCLK_SHIFT, 0x0, NULL);
682
683
684 static const char *pruss_ck_parents[] = {
685 "l3_gclk", "dpll_disp_m2_ck",
686 };
687
688 static const struct clksel pruss_ocp_clk_mux_sel[] = {
689 { .parent = &l3_gclk, .rates = div_1_0_rates },
690 { .parent = &dpll_disp_m2_ck, .rates = div_1_1_rates },
691 { .parent = NULL },
692 };
693
694 static struct clk pruss_ocp_gclk;
695
696 static struct clk_hw_omap pruss_ocp_gclk_hw = {
697 .hw = {
698 .clk = &pruss_ocp_gclk,
699 },
700 .clkdm_name = "pruss_ocp_clkdm",
701 .clksel = pruss_ocp_clk_mux_sel,
702 .clksel_reg = AM33XX_CLKSEL_PRUSS_OCP_CLK,
703 .clksel_mask = AM33XX_CLKSEL_0_0_MASK,
704 };
705
706 DEFINE_STRUCT_CLK(pruss_ocp_gclk, pruss_ck_parents, gpio_fck_ops);
707
708 static const char *lcd_ck_parents[] = {
709 "dpll_disp_m2_ck", "dpll_core_m5_ck", "dpll_per_m2_ck",
710 };
711
712 static const struct clksel lcd_clk_mux_sel[] = {
713 { .parent = &dpll_disp_m2_ck, .rates = div_1_0_rates },
714 { .parent = &dpll_core_m5_ck, .rates = div_1_1_rates },
715 { .parent = &dpll_per_m2_ck, .rates = div_1_2_rates },
716 { .parent = NULL },
717 };
718
719 static struct clk lcd_gclk;
720
721 static struct clk_hw_omap lcd_gclk_hw = {
722 .hw = {
723 .clk = &lcd_gclk,
724 },
725 .clkdm_name = "lcdc_clkdm",
726 .clksel = lcd_clk_mux_sel,
727 .clksel_reg = AM33XX_CLKSEL_LCDC_PIXEL_CLK,
728 .clksel_mask = AM33XX_CLKSEL_0_1_MASK,
729 };
730
731 DEFINE_STRUCT_CLK_FLAGS(lcd_gclk, lcd_ck_parents,
732 gpio_fck_ops, CLK_SET_RATE_PARENT);
733
734 DEFINE_CLK_FIXED_FACTOR(mmc_clk, "dpll_per_m2_ck", &dpll_per_m2_ck, 0x0, 1, 2);
735
736 static const char *gfx_ck_parents[] = {
737 "dpll_core_m4_ck", "dpll_per_m2_ck",
738 };
739
740 static const struct clksel gfx_clksel_sel[] = {
741 { .parent = &dpll_core_m4_ck, .rates = div_1_0_rates },
742 { .parent = &dpll_per_m2_ck, .rates = div_1_1_rates },
743 { .parent = NULL },
744 };
745
746 static struct clk gfx_fclk_clksel_ck;
747
748 static struct clk_hw_omap gfx_fclk_clksel_ck_hw = {
749 .hw = {
750 .clk = &gfx_fclk_clksel_ck,
751 },
752 .clksel = gfx_clksel_sel,
753 .clksel_reg = AM33XX_CLKSEL_GFX_FCLK,
754 .clksel_mask = AM33XX_CLKSEL_GFX_FCLK_MASK,
755 };
756
757 DEFINE_STRUCT_CLK(gfx_fclk_clksel_ck, gfx_ck_parents, gpio_fck_ops);
758
759 static const struct clk_div_table div_1_0_2_1_rates[] = {
760 { .div = 1, .val = 0, },
761 { .div = 2, .val = 1, },
762 { .div = 0 },
763 };
764
765 DEFINE_CLK_DIVIDER_TABLE(gfx_fck_div_ck, "gfx_fclk_clksel_ck",
766 &gfx_fclk_clksel_ck, 0x0, AM33XX_CLKSEL_GFX_FCLK,
767 AM33XX_CLKSEL_0_0_SHIFT, AM33XX_CLKSEL_0_0_WIDTH,
768 0x0, div_1_0_2_1_rates, NULL);
769
770 static const char *sysclkout_ck_parents[] = {
771 "clk_32768_ck", "l3_gclk", "dpll_ddr_m2_ck", "dpll_per_m2_ck",
772 "lcd_gclk",
773 };
774
775 static const struct clksel sysclkout_pre_sel[] = {
776 { .parent = &clk_32768_ck, .rates = div_1_0_rates },
777 { .parent = &l3_gclk, .rates = div_1_1_rates },
778 { .parent = &dpll_ddr_m2_ck, .rates = div_1_2_rates },
779 { .parent = &dpll_per_m2_ck, .rates = div_1_3_rates },
780 { .parent = &lcd_gclk, .rates = div_1_4_rates },
781 { .parent = NULL },
782 };
783
784 static struct clk sysclkout_pre_ck;
785
786 static struct clk_hw_omap sysclkout_pre_ck_hw = {
787 .hw = {
788 .clk = &sysclkout_pre_ck,
789 },
790 .clksel = sysclkout_pre_sel,
791 .clksel_reg = AM33XX_CM_CLKOUT_CTRL,
792 .clksel_mask = AM33XX_CLKOUT2SOURCE_MASK,
793 };
794
795 DEFINE_STRUCT_CLK(sysclkout_pre_ck, sysclkout_ck_parents, gpio_fck_ops);
796
797 /* Divide by 8 clock rates with default clock is 1/1*/
798 static const struct clk_div_table div8_rates[] = {
799 { .div = 1, .val = 0, },
800 { .div = 2, .val = 1, },
801 { .div = 3, .val = 2, },
802 { .div = 4, .val = 3, },
803 { .div = 5, .val = 4, },
804 { .div = 6, .val = 5, },
805 { .div = 7, .val = 6, },
806 { .div = 8, .val = 7, },
807 { .div = 0 },
808 };
809
810 DEFINE_CLK_DIVIDER_TABLE(clkout2_div_ck, "sysclkout_pre_ck", &sysclkout_pre_ck,
811 0x0, AM33XX_CM_CLKOUT_CTRL, AM33XX_CLKOUT2DIV_SHIFT,
812 AM33XX_CLKOUT2DIV_WIDTH, 0x0, div8_rates, NULL);
813
814 DEFINE_CLK_GATE(clkout2_ck, "clkout2_div_ck", &clkout2_div_ck, 0x0,
815 AM33XX_CM_CLKOUT_CTRL, AM33XX_CLKOUT2EN_SHIFT, 0x0, NULL);
816
817 static const char *wdt_ck_parents[] = {
818 "clk_rc32k_ck", "clkdiv32k_ick",
819 };
820
821 static const struct clksel wdt_clkmux_sel[] = {
822 { .parent = &clk_rc32k_ck, .rates = div_1_0_rates },
823 { .parent = &clkdiv32k_ick, .rates = div_1_1_rates },
824 { .parent = NULL },
825 };
826
827 static struct clk wdt1_fck;
828
829 static struct clk_hw_omap wdt1_fck_hw = {
830 .hw = {
831 .clk = &wdt1_fck,
832 },
833 .clkdm_name = "l4_wkup_clkdm",
834 .clksel = wdt_clkmux_sel,
835 .clksel_reg = AM33XX_CLKSEL_WDT1_CLK,
836 .clksel_mask = AM33XX_CLKSEL_0_1_MASK,
837 };
838
839 DEFINE_STRUCT_CLK(wdt1_fck, wdt_ck_parents, gpio_fck_ops);
840
841 /*
842 * clkdev
843 */
844 static struct omap_clk am33xx_clks[] = {
845 CLK(NULL, "clk_32768_ck", &clk_32768_ck),
846 CLK(NULL, "clk_rc32k_ck", &clk_rc32k_ck),
847 CLK(NULL, "virt_19200000_ck", &virt_19200000_ck),
848 CLK(NULL, "virt_24000000_ck", &virt_24000000_ck),
849 CLK(NULL, "virt_25000000_ck", &virt_25000000_ck),
850 CLK(NULL, "virt_26000000_ck", &virt_26000000_ck),
851 CLK(NULL, "sys_clkin_ck", &sys_clkin_ck),
852 CLK(NULL, "tclkin_ck", &tclkin_ck),
853 CLK(NULL, "dpll_core_ck", &dpll_core_ck),
854 CLK(NULL, "dpll_core_x2_ck", &dpll_core_x2_ck),
855 CLK(NULL, "dpll_core_m4_ck", &dpll_core_m4_ck),
856 CLK(NULL, "dpll_core_m5_ck", &dpll_core_m5_ck),
857 CLK(NULL, "dpll_core_m6_ck", &dpll_core_m6_ck),
858 CLK(NULL, "dpll_mpu_ck", &dpll_mpu_ck),
859 CLK("cpu0", NULL, &dpll_mpu_ck),
860 CLK(NULL, "dpll_mpu_m2_ck", &dpll_mpu_m2_ck),
861 CLK(NULL, "dpll_ddr_ck", &dpll_ddr_ck),
862 CLK(NULL, "dpll_ddr_m2_ck", &dpll_ddr_m2_ck),
863 CLK(NULL, "dpll_ddr_m2_div2_ck", &dpll_ddr_m2_div2_ck),
864 CLK(NULL, "dpll_disp_ck", &dpll_disp_ck),
865 CLK(NULL, "dpll_disp_m2_ck", &dpll_disp_m2_ck),
866 CLK(NULL, "dpll_per_ck", &dpll_per_ck),
867 CLK(NULL, "dpll_per_m2_ck", &dpll_per_m2_ck),
868 CLK(NULL, "dpll_per_m2_div4_wkupdm_ck", &dpll_per_m2_div4_wkupdm_ck),
869 CLK(NULL, "dpll_per_m2_div4_ck", &dpll_per_m2_div4_ck),
870 CLK(NULL, "adc_tsc_fck", &adc_tsc_fck),
871 CLK(NULL, "cefuse_fck", &cefuse_fck),
872 CLK(NULL, "clkdiv32k_ck", &clkdiv32k_ck),
873 CLK(NULL, "clkdiv32k_ick", &clkdiv32k_ick),
874 CLK(NULL, "dcan0_fck", &dcan0_fck),
875 CLK("481cc000.d_can", NULL, &dcan0_fck),
876 CLK(NULL, "dcan1_fck", &dcan1_fck),
877 CLK("481d0000.d_can", NULL, &dcan1_fck),
878 CLK(NULL, "debugss_ick", &debugss_ick),
879 CLK(NULL, "pruss_ocp_gclk", &pruss_ocp_gclk),
880 CLK(NULL, "mcasp0_fck", &mcasp0_fck),
881 CLK(NULL, "mcasp1_fck", &mcasp1_fck),
882 CLK(NULL, "mmu_fck", &mmu_fck),
883 CLK(NULL, "smartreflex0_fck", &smartreflex0_fck),
884 CLK(NULL, "smartreflex1_fck", &smartreflex1_fck),
885 CLK(NULL, "sha0_fck", &sha0_fck),
886 CLK(NULL, "timer1_fck", &timer1_fck),
887 CLK(NULL, "timer2_fck", &timer2_fck),
888 CLK(NULL, "timer3_fck", &timer3_fck),
889 CLK(NULL, "timer4_fck", &timer4_fck),
890 CLK(NULL, "timer5_fck", &timer5_fck),
891 CLK(NULL, "timer6_fck", &timer6_fck),
892 CLK(NULL, "timer7_fck", &timer7_fck),
893 CLK(NULL, "usbotg_fck", &usbotg_fck),
894 CLK(NULL, "ieee5000_fck", &ieee5000_fck),
895 CLK(NULL, "wdt1_fck", &wdt1_fck),
896 CLK(NULL, "l4_rtc_gclk", &l4_rtc_gclk),
897 CLK(NULL, "l3_gclk", &l3_gclk),
898 CLK(NULL, "dpll_core_m4_div2_ck", &dpll_core_m4_div2_ck),
899 CLK(NULL, "l4hs_gclk", &l4hs_gclk),
900 CLK(NULL, "l3s_gclk", &l3s_gclk),
901 CLK(NULL, "l4fw_gclk", &l4fw_gclk),
902 CLK(NULL, "l4ls_gclk", &l4ls_gclk),
903 CLK(NULL, "clk_24mhz", &clk_24mhz),
904 CLK(NULL, "sysclk_div_ck", &sysclk_div_ck),
905 CLK(NULL, "cpsw_125mhz_gclk", &cpsw_125mhz_gclk),
906 CLK(NULL, "cpsw_cpts_rft_clk", &cpsw_cpts_rft_clk),
907 CLK(NULL, "gpio0_dbclk_mux_ck", &gpio0_dbclk_mux_ck),
908 CLK(NULL, "gpio0_dbclk", &gpio0_dbclk),
909 CLK(NULL, "gpio1_dbclk", &gpio1_dbclk),
910 CLK(NULL, "gpio2_dbclk", &gpio2_dbclk),
911 CLK(NULL, "gpio3_dbclk", &gpio3_dbclk),
912 CLK(NULL, "lcd_gclk", &lcd_gclk),
913 CLK(NULL, "mmc_clk", &mmc_clk),
914 CLK(NULL, "gfx_fclk_clksel_ck", &gfx_fclk_clksel_ck),
915 CLK(NULL, "gfx_fck_div_ck", &gfx_fck_div_ck),
916 CLK(NULL, "sysclkout_pre_ck", &sysclkout_pre_ck),
917 CLK(NULL, "clkout2_div_ck", &clkout2_div_ck),
918 CLK(NULL, "timer_32k_ck", &clkdiv32k_ick),
919 CLK(NULL, "timer_sys_ck", &sys_clkin_ck),
920 };
921
922
923 static const char *enable_init_clks[] = {
924 "dpll_ddr_m2_ck",
925 "dpll_mpu_m2_ck",
926 "l3_gclk",
927 "l4hs_gclk",
928 "l4fw_gclk",
929 "l4ls_gclk",
930 };
931
932 int __init am33xx_clk_init(void)
933 {
934 if (soc_is_am33xx())
935 cpu_mask = RATE_IN_AM33XX;
936
937 omap_clocks_register(am33xx_clks, ARRAY_SIZE(am33xx_clks));
938
939 omap2_clk_disable_autoidle_all();
940
941 omap2_clk_enable_init_clocks(enable_init_clks,
942 ARRAY_SIZE(enable_init_clks));
943
944 /* TRM ERRATA: Timer 3 & 6 default parent (TCLKIN) may not be always
945 * physically present, in such a case HWMOD enabling of
946 * clock would be failure with default parent. And timer
947 * probe thinks clock is already enabled, this leads to
948 * crash upon accessing timer 3 & 6 registers in probe.
949 * Fix by setting parent of both these timers to master
950 * oscillator clock.
951 */
952
953 clk_set_parent(&timer3_fck, &sys_clkin_ck);
954 clk_set_parent(&timer6_fck, &sys_clkin_ck);
955
956 return 0;
957 }
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