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 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
 424 /*
 425  * Modules clock nodes
 426  *
 427  * The following clock leaf nodes are added for the moment because:
 428  *
 429  *  - hwmod data is not present for these modules, either hwmod
 430  *    control is not required or its not populated.
 431  *  - Driver code is not yet migrated to use hwmod/runtime pm
 432  *  - Modules outside kernel access (to disable them by default)
 433  *
 434  *     - debugss
 435  *     - mmu (gfx domain)
 436  *     - cefuse
 437  *     - usbotg_fck (its additional clock and not really a modulemode)
 438  *     - ieee5000
 439  */
 440 DEFINE_CLK_GATE(debugss_ick, "dpll_core_m4_ck", &dpll_core_m4_ck, 0x0,
 441                 AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT,
 442                 0x0, NULL);
 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
 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);
 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
 755 DEFINE_STRUCT_CLK_FLAGS(lcd_gclk, lcd_ck_parents,
 756                         gpio_fck_ops, CLK_SET_RATE_PARENT);
 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
 865 /*
 866  * clkdev
 867  */
 868 static struct omap_clk am33xx_clks[] = {
 869         CLK(NULL,       "clk_32768_ck",         &clk_32768_ck),
 870         CLK(NULL,       "clk_rc32k_ck",         &clk_rc32k_ck),
 871         CLK(NULL,       "virt_19200000_ck",     &virt_19200000_ck),
 872         CLK(NULL,       "virt_24000000_ck",     &virt_24000000_ck),
 873         CLK(NULL,       "virt_25000000_ck",     &virt_25000000_ck),
 874         CLK(NULL,       "virt_26000000_ck",     &virt_26000000_ck),
 875         CLK(NULL,       "sys_clkin_ck",         &sys_clkin_ck),
 876         CLK(NULL,       "tclkin_ck",            &tclkin_ck),
 877         CLK(NULL,       "dpll_core_ck",         &dpll_core_ck),
 878         CLK(NULL,       "dpll_core_x2_ck",      &dpll_core_x2_ck),
 879         CLK(NULL,       "dpll_core_m4_ck",      &dpll_core_m4_ck),
 880         CLK(NULL,       "dpll_core_m5_ck",      &dpll_core_m5_ck),
 881         CLK(NULL,       "dpll_core_m6_ck",      &dpll_core_m6_ck),
 882         CLK(NULL,       "dpll_mpu_ck",          &dpll_mpu_ck),
 883         CLK("cpu0",     NULL,                   &dpll_mpu_ck),
 884         CLK(NULL,       "dpll_mpu_m2_ck",       &dpll_mpu_m2_ck),
 885         CLK(NULL,       "dpll_ddr_ck",          &dpll_ddr_ck),
 886         CLK(NULL,       "dpll_ddr_m2_ck",       &dpll_ddr_m2_ck),
 887         CLK(NULL,       "dpll_ddr_m2_div2_ck",  &dpll_ddr_m2_div2_ck),
 888         CLK(NULL,       "dpll_disp_ck",         &dpll_disp_ck),
 889         CLK(NULL,       "dpll_disp_m2_ck",      &dpll_disp_m2_ck),
 890         CLK(NULL,       "dpll_per_ck",          &dpll_per_ck),
 891         CLK(NULL,       "dpll_per_m2_ck",       &dpll_per_m2_ck),
 892         CLK(NULL,       "dpll_per_m2_div4_wkupdm_ck",   &dpll_per_m2_div4_wkupdm_ck),
 893         CLK(NULL,       "dpll_per_m2_div4_ck",  &dpll_per_m2_div4_ck),
 894         CLK(NULL,       "adc_tsc_fck",          &adc_tsc_fck),
 895         CLK(NULL,       "cefuse_fck",           &cefuse_fck),
 896         CLK(NULL,       "clkdiv32k_ck",         &clkdiv32k_ck),
 897         CLK(NULL,       "clkdiv32k_ick",        &clkdiv32k_ick),
 898         CLK(NULL,       "dcan0_fck",            &dcan0_fck),
 899         CLK("481cc000.d_can",   NULL,           &dcan0_fck),
 900         CLK(NULL,       "dcan1_fck",            &dcan1_fck),
 901         CLK("481d0000.d_can",   NULL,           &dcan1_fck),
 902         CLK(NULL,       "debugss_ick",          &debugss_ick),
 903         CLK(NULL,       "pruss_ocp_gclk",       &pruss_ocp_gclk),
 904         CLK(NULL,       "mcasp0_fck",           &mcasp0_fck),
 905         CLK(NULL,       "mcasp1_fck",           &mcasp1_fck),
 906         CLK(NULL,       "mmu_fck",              &mmu_fck),
 907         CLK(NULL,       "smartreflex0_fck",     &smartreflex0_fck),
 908         CLK(NULL,       "smartreflex1_fck",     &smartreflex1_fck),
 909         CLK(NULL,       "sha0_fck",             &sha0_fck),
 910         CLK(NULL,       "aes0_fck",             &aes0_fck),
 911         CLK(NULL,       "timer1_fck",           &timer1_fck),
 912         CLK(NULL,       "timer2_fck",           &timer2_fck),
 913         CLK(NULL,       "timer3_fck",           &timer3_fck),
 914         CLK(NULL,       "timer4_fck",           &timer4_fck),
 915         CLK(NULL,       "timer5_fck",           &timer5_fck),
 916         CLK(NULL,       "timer6_fck",           &timer6_fck),
 917         CLK(NULL,       "timer7_fck",           &timer7_fck),
 918         CLK(NULL,       "usbotg_fck",           &usbotg_fck),
 919         CLK(NULL,       "ieee5000_fck",         &ieee5000_fck),
 920         CLK(NULL,       "wdt1_fck",             &wdt1_fck),
 921         CLK(NULL,       "l4_rtc_gclk",          &l4_rtc_gclk),
 922         CLK(NULL,       "l3_gclk",              &l3_gclk),
 923         CLK(NULL,       "dpll_core_m4_div2_ck", &dpll_core_m4_div2_ck),
 924         CLK(NULL,       "l4hs_gclk",            &l4hs_gclk),
 925         CLK(NULL,       "l3s_gclk",             &l3s_gclk),
 926         CLK(NULL,       "l4fw_gclk",            &l4fw_gclk),
 927         CLK(NULL,       "l4ls_gclk",            &l4ls_gclk),
 928         CLK(NULL,       "clk_24mhz",            &clk_24mhz),
 929         CLK(NULL,       "sysclk_div_ck",        &sysclk_div_ck),
 930         CLK(NULL,       "cpsw_125mhz_gclk",     &cpsw_125mhz_gclk),
 931         CLK(NULL,       "cpsw_cpts_rft_clk",    &cpsw_cpts_rft_clk),
 932         CLK(NULL,       "gpio0_dbclk_mux_ck",   &gpio0_dbclk_mux_ck),
 933         CLK(NULL,       "gpio0_dbclk",          &gpio0_dbclk),
 934         CLK(NULL,       "gpio1_dbclk",          &gpio1_dbclk),
 935         CLK(NULL,       "gpio2_dbclk",          &gpio2_dbclk),
 936         CLK(NULL,       "gpio3_dbclk",          &gpio3_dbclk),
 937         CLK(NULL,       "lcd_gclk",             &lcd_gclk),
 938         CLK(NULL,       "mmc_clk",              &mmc_clk),
 939         CLK(NULL,       "gfx_fclk_clksel_ck",   &gfx_fclk_clksel_ck),
 940         CLK(NULL,       "gfx_fck_div_ck",       &gfx_fck_div_ck),
 941         CLK(NULL,       "sysclkout_pre_ck",     &sysclkout_pre_ck),
 942         CLK(NULL,       "clkout2_div_ck",       &clkout2_div_ck),
 943         CLK(NULL,       "timer_32k_ck",         &clkdiv32k_ick),
 944         CLK(NULL,       "timer_sys_ck",         &sys_clkin_ck),
 945 };
 946
 947
 948 static const char *enable_init_clks[] = {
 949         "dpll_ddr_m2_ck",
 950         "dpll_mpu_m2_ck",
 951         "l3_gclk",
 952         "l4hs_gclk",
 953         "l4fw_gclk",
 954         "l4ls_gclk",
 955 };
 956
 957 int __init am33xx_clk_init(void)
 958 {
 959         if (soc_is_am33xx())
 960                 cpu_mask = RATE_IN_AM33XX;
 961
 962         omap_clocks_register(am33xx_clks, ARRAY_SIZE(am33xx_clks));
 963
 964         omap2_clk_disable_autoidle_all();
 965
 966         omap2_clk_enable_init_clocks(enable_init_clks,
 967                                      ARRAY_SIZE(enable_init_clks));
 968
 969         /* TRM ERRATA: Timer 3 & 6 default parent (TCLKIN) may not be always
 970          *    physically present, in such a case HWMOD enabling of
 971          *    clock would be failure with default parent. And timer
 972          *    probe thinks clock is already enabled, this leads to
 973          *    crash upon accessing timer 3 & 6 registers in probe.
 974          *    Fix by setting parent of both these timers to master
 975          *    oscillator clock.
 976          */
 977
 978         clk_set_parent(&timer3_fck, &sys_clkin_ck);
 979         clk_set_parent(&timer6_fck, &sys_clkin_ck);
 980         /*
 981          * The On-Chip 32K RC Osc clock is not an accurate clock-source as per
 982          * the design/spec, so as a result, for example, timer which supposed
 983          * to get expired @60Sec, but will expire somewhere ~@40Sec, which is
 984          * not expected by any use-case, so change WDT1 clock source to PRCM
 985          * 32KHz clock.
 986          */
 987         clk_set_parent(&wdt1_fck, &clkdiv32k_ick);
 988
 989         return 0;
 990 }