Vaibhav Hiremath | e30384a | 2012-05-29 15:26:41 +0530 | [diff] [blame] | 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.h> |
| 20 | #include <plat/clkdev_omap.h> |
Vaibhav Hiremath | e30384a | 2012-05-29 15:26:41 +0530 | [diff] [blame] | 21 | |
Tony Lindgren | c49f34b | 2012-08-31 16:08:07 -0700 | [diff] [blame] | 22 | #include "am33xx.h" |
Vaibhav Hiremath | e30384a | 2012-05-29 15:26:41 +0530 | [diff] [blame] | 23 | #include "iomap.h" |
| 24 | #include "control.h" |
| 25 | #include "clock.h" |
| 26 | #include "cm.h" |
| 27 | #include "cm33xx.h" |
| 28 | #include "cm-regbits-33xx.h" |
| 29 | #include "prm.h" |
| 30 | |
| 31 | /* Maximum DPLL multiplier, divider values for AM33XX */ |
| 32 | #define AM33XX_MAX_DPLL_MULT 2047 |
| 33 | #define AM33XX_MAX_DPLL_DIV 128 |
| 34 | |
| 35 | /* Modulemode control */ |
| 36 | #define AM33XX_MODULEMODE_HWCTRL 0 |
| 37 | #define AM33XX_MODULEMODE_SWCTRL 1 |
| 38 | |
| 39 | /* TRM ERRATA: Timer 3 & 6 default parent (TCLKIN) may not be always |
| 40 | * physically present, in such a case HWMOD enabling of |
| 41 | * clock would be failure with default parent. And timer |
| 42 | * probe thinks clock is already enabled, this leads to |
| 43 | * crash upon accessing timer 3 & 6 registers in probe. |
| 44 | * Fix by setting parent of both these timers to master |
| 45 | * oscillator clock. |
| 46 | */ |
| 47 | static inline void am33xx_init_timer_parent(struct clk *clk) |
| 48 | { |
| 49 | omap2_clksel_set_parent(clk, clk->parent); |
| 50 | } |
| 51 | |
| 52 | /* Root clocks */ |
| 53 | |
| 54 | /* RTC 32k */ |
| 55 | static struct clk clk_32768_ck = { |
| 56 | .name = "clk_32768_ck", |
| 57 | .clkdm_name = "l4_rtc_clkdm", |
| 58 | .rate = 32768, |
| 59 | .ops = &clkops_null, |
| 60 | }; |
| 61 | |
| 62 | /* On-Chip 32KHz RC OSC */ |
| 63 | static struct clk clk_rc32k_ck = { |
| 64 | .name = "clk_rc32k_ck", |
| 65 | .rate = 32000, |
| 66 | .ops = &clkops_null, |
| 67 | }; |
| 68 | |
| 69 | /* Crystal input clks */ |
| 70 | static struct clk virt_24000000_ck = { |
| 71 | .name = "virt_24000000_ck", |
| 72 | .rate = 24000000, |
| 73 | .ops = &clkops_null, |
| 74 | }; |
| 75 | |
| 76 | static struct clk virt_25000000_ck = { |
| 77 | .name = "virt_25000000_ck", |
| 78 | .rate = 25000000, |
| 79 | .ops = &clkops_null, |
| 80 | }; |
| 81 | |
| 82 | /* Oscillator clock */ |
| 83 | /* 19.2, 24, 25 or 26 MHz */ |
| 84 | static const struct clksel sys_clkin_sel[] = { |
| 85 | { .parent = &virt_19200000_ck, .rates = div_1_0_rates }, |
| 86 | { .parent = &virt_24000000_ck, .rates = div_1_1_rates }, |
| 87 | { .parent = &virt_25000000_ck, .rates = div_1_2_rates }, |
| 88 | { .parent = &virt_26000000_ck, .rates = div_1_3_rates }, |
| 89 | { .parent = NULL }, |
| 90 | }; |
| 91 | |
| 92 | /* External clock - 12 MHz */ |
| 93 | static struct clk tclkin_ck = { |
| 94 | .name = "tclkin_ck", |
| 95 | .rate = 12000000, |
| 96 | .ops = &clkops_null, |
| 97 | }; |
| 98 | |
| 99 | /* |
| 100 | * sys_clk in: input to the dpll and also used as funtional clock for, |
| 101 | * adc_tsc, smartreflex0-1, timer1-7, mcasp0-1, dcan0-1, cefuse |
| 102 | * |
| 103 | */ |
| 104 | static struct clk sys_clkin_ck = { |
| 105 | .name = "sys_clkin_ck", |
| 106 | .parent = &virt_24000000_ck, |
| 107 | .init = &omap2_init_clksel_parent, |
| 108 | .clksel_reg = AM33XX_CTRL_REGADDR(AM33XX_CONTROL_STATUS), |
| 109 | .clksel_mask = AM33XX_CONTROL_STATUS_SYSBOOT1_MASK, |
| 110 | .clksel = sys_clkin_sel, |
| 111 | .ops = &clkops_null, |
| 112 | .recalc = &omap2_clksel_recalc, |
| 113 | }; |
| 114 | |
| 115 | /* DPLL_CORE */ |
| 116 | static struct dpll_data dpll_core_dd = { |
| 117 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_CORE, |
| 118 | .clk_bypass = &sys_clkin_ck, |
| 119 | .clk_ref = &sys_clkin_ck, |
| 120 | .control_reg = AM33XX_CM_CLKMODE_DPLL_CORE, |
| 121 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 122 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_CORE, |
| 123 | .mult_mask = AM33XX_DPLL_MULT_MASK, |
| 124 | .div1_mask = AM33XX_DPLL_DIV_MASK, |
| 125 | .enable_mask = AM33XX_DPLL_EN_MASK, |
| 126 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, |
| 127 | .max_multiplier = AM33XX_MAX_DPLL_MULT, |
| 128 | .max_divider = AM33XX_MAX_DPLL_DIV, |
| 129 | .min_divider = 1, |
| 130 | }; |
| 131 | |
| 132 | /* CLKDCOLDO output */ |
| 133 | static struct clk dpll_core_ck = { |
| 134 | .name = "dpll_core_ck", |
| 135 | .parent = &sys_clkin_ck, |
| 136 | .dpll_data = &dpll_core_dd, |
| 137 | .init = &omap2_init_dpll_parent, |
| 138 | .ops = &clkops_omap3_core_dpll_ops, |
| 139 | .recalc = &omap3_dpll_recalc, |
| 140 | }; |
| 141 | |
| 142 | static struct clk dpll_core_x2_ck = { |
| 143 | .name = "dpll_core_x2_ck", |
| 144 | .parent = &dpll_core_ck, |
| 145 | .flags = CLOCK_CLKOUTX2, |
| 146 | .ops = &clkops_null, |
| 147 | .recalc = &omap3_clkoutx2_recalc, |
| 148 | }; |
| 149 | |
| 150 | |
| 151 | static const struct clksel dpll_core_m4_div[] = { |
| 152 | { .parent = &dpll_core_x2_ck, .rates = div31_1to31_rates }, |
| 153 | { .parent = NULL }, |
| 154 | }; |
| 155 | |
| 156 | static struct clk dpll_core_m4_ck = { |
| 157 | .name = "dpll_core_m4_ck", |
| 158 | .parent = &dpll_core_x2_ck, |
| 159 | .init = &omap2_init_clksel_parent, |
| 160 | .clksel = dpll_core_m4_div, |
| 161 | .clksel_reg = AM33XX_CM_DIV_M4_DPLL_CORE, |
| 162 | .clksel_mask = AM33XX_HSDIVIDER_CLKOUT1_DIV_MASK, |
| 163 | .ops = &clkops_null, |
| 164 | .recalc = &omap2_clksel_recalc, |
| 165 | .round_rate = &omap2_clksel_round_rate, |
| 166 | .set_rate = &omap2_clksel_set_rate, |
| 167 | }; |
| 168 | |
| 169 | static const struct clksel dpll_core_m5_div[] = { |
| 170 | { .parent = &dpll_core_x2_ck, .rates = div31_1to31_rates }, |
| 171 | { .parent = NULL }, |
| 172 | }; |
| 173 | |
| 174 | static struct clk dpll_core_m5_ck = { |
| 175 | .name = "dpll_core_m5_ck", |
| 176 | .parent = &dpll_core_x2_ck, |
| 177 | .init = &omap2_init_clksel_parent, |
| 178 | .clksel = dpll_core_m5_div, |
| 179 | .clksel_reg = AM33XX_CM_DIV_M5_DPLL_CORE, |
| 180 | .clksel_mask = AM33XX_HSDIVIDER_CLKOUT2_DIV_MASK, |
| 181 | .ops = &clkops_null, |
| 182 | .recalc = &omap2_clksel_recalc, |
| 183 | .round_rate = &omap2_clksel_round_rate, |
| 184 | .set_rate = &omap2_clksel_set_rate, |
| 185 | }; |
| 186 | |
| 187 | static const struct clksel dpll_core_m6_div[] = { |
| 188 | { .parent = &dpll_core_x2_ck, .rates = div31_1to31_rates }, |
| 189 | { .parent = NULL }, |
| 190 | }; |
| 191 | |
| 192 | static struct clk dpll_core_m6_ck = { |
| 193 | .name = "dpll_core_m6_ck", |
| 194 | .parent = &dpll_core_x2_ck, |
| 195 | .init = &omap2_init_clksel_parent, |
| 196 | .clksel = dpll_core_m6_div, |
| 197 | .clksel_reg = AM33XX_CM_DIV_M6_DPLL_CORE, |
| 198 | .clksel_mask = AM33XX_HSDIVIDER_CLKOUT3_DIV_MASK, |
| 199 | .ops = &clkops_null, |
| 200 | .recalc = &omap2_clksel_recalc, |
| 201 | .round_rate = &omap2_clksel_round_rate, |
| 202 | .set_rate = &omap2_clksel_set_rate, |
| 203 | }; |
| 204 | |
| 205 | /* DPLL_MPU */ |
| 206 | static struct dpll_data dpll_mpu_dd = { |
| 207 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_MPU, |
| 208 | .clk_bypass = &sys_clkin_ck, |
| 209 | .clk_ref = &sys_clkin_ck, |
| 210 | .control_reg = AM33XX_CM_CLKMODE_DPLL_MPU, |
| 211 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 212 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_MPU, |
| 213 | .mult_mask = AM33XX_DPLL_MULT_MASK, |
| 214 | .div1_mask = AM33XX_DPLL_DIV_MASK, |
| 215 | .enable_mask = AM33XX_DPLL_EN_MASK, |
| 216 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, |
| 217 | .max_multiplier = AM33XX_MAX_DPLL_MULT, |
| 218 | .max_divider = AM33XX_MAX_DPLL_DIV, |
| 219 | .min_divider = 1, |
| 220 | }; |
| 221 | |
| 222 | /* CLKOUT: fdpll/M2 */ |
| 223 | static struct clk dpll_mpu_ck = { |
| 224 | .name = "dpll_mpu_ck", |
| 225 | .parent = &sys_clkin_ck, |
| 226 | .dpll_data = &dpll_mpu_dd, |
| 227 | .init = &omap2_init_dpll_parent, |
| 228 | .ops = &clkops_omap3_noncore_dpll_ops, |
| 229 | .recalc = &omap3_dpll_recalc, |
| 230 | .round_rate = &omap2_dpll_round_rate, |
| 231 | .set_rate = &omap3_noncore_dpll_set_rate, |
| 232 | }; |
| 233 | |
| 234 | /* |
| 235 | * TODO: Add clksel here (sys_clkin, CORE_CLKOUTM6, PER_CLKOUTM2 |
| 236 | * and ALT_CLK1/2) |
| 237 | */ |
| 238 | static const struct clksel dpll_mpu_m2_div[] = { |
| 239 | { .parent = &dpll_mpu_ck, .rates = div31_1to31_rates }, |
| 240 | { .parent = NULL }, |
| 241 | }; |
| 242 | |
| 243 | static struct clk dpll_mpu_m2_ck = { |
| 244 | .name = "dpll_mpu_m2_ck", |
| 245 | .clkdm_name = "mpu_clkdm", |
| 246 | .parent = &dpll_mpu_ck, |
| 247 | .clksel = dpll_mpu_m2_div, |
| 248 | .clksel_reg = AM33XX_CM_DIV_M2_DPLL_MPU, |
| 249 | .clksel_mask = AM33XX_DPLL_CLKOUT_DIV_MASK, |
| 250 | .ops = &clkops_null, |
| 251 | .recalc = &omap2_clksel_recalc, |
| 252 | .round_rate = &omap2_clksel_round_rate, |
| 253 | .set_rate = &omap2_clksel_set_rate, |
| 254 | }; |
| 255 | |
| 256 | /* DPLL_DDR */ |
| 257 | static struct dpll_data dpll_ddr_dd = { |
| 258 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_DDR, |
| 259 | .clk_bypass = &sys_clkin_ck, |
| 260 | .clk_ref = &sys_clkin_ck, |
| 261 | .control_reg = AM33XX_CM_CLKMODE_DPLL_DDR, |
| 262 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 263 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_DDR, |
| 264 | .mult_mask = AM33XX_DPLL_MULT_MASK, |
| 265 | .div1_mask = AM33XX_DPLL_DIV_MASK, |
| 266 | .enable_mask = AM33XX_DPLL_EN_MASK, |
| 267 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, |
| 268 | .max_multiplier = AM33XX_MAX_DPLL_MULT, |
| 269 | .max_divider = AM33XX_MAX_DPLL_DIV, |
| 270 | .min_divider = 1, |
| 271 | }; |
| 272 | |
| 273 | /* CLKOUT: fdpll/M2 */ |
| 274 | static struct clk dpll_ddr_ck = { |
| 275 | .name = "dpll_ddr_ck", |
| 276 | .parent = &sys_clkin_ck, |
| 277 | .dpll_data = &dpll_ddr_dd, |
| 278 | .init = &omap2_init_dpll_parent, |
| 279 | .ops = &clkops_null, |
| 280 | .recalc = &omap3_dpll_recalc, |
| 281 | }; |
| 282 | |
| 283 | /* |
| 284 | * TODO: Add clksel here (sys_clkin, CORE_CLKOUTM6, PER_CLKOUTM2 |
| 285 | * and ALT_CLK1/2) |
| 286 | */ |
| 287 | static const struct clksel dpll_ddr_m2_div[] = { |
| 288 | { .parent = &dpll_ddr_ck, .rates = div31_1to31_rates }, |
| 289 | { .parent = NULL }, |
| 290 | }; |
| 291 | |
| 292 | static struct clk dpll_ddr_m2_ck = { |
| 293 | .name = "dpll_ddr_m2_ck", |
| 294 | .parent = &dpll_ddr_ck, |
| 295 | .clksel = dpll_ddr_m2_div, |
| 296 | .clksel_reg = AM33XX_CM_DIV_M2_DPLL_DDR, |
| 297 | .clksel_mask = AM33XX_DPLL_CLKOUT_DIV_MASK, |
| 298 | .ops = &clkops_null, |
| 299 | .recalc = &omap2_clksel_recalc, |
| 300 | .round_rate = &omap2_clksel_round_rate, |
| 301 | .set_rate = &omap2_clksel_set_rate, |
| 302 | }; |
| 303 | |
| 304 | /* emif_fck functional clock */ |
| 305 | static struct clk dpll_ddr_m2_div2_ck = { |
| 306 | .name = "dpll_ddr_m2_div2_ck", |
| 307 | .clkdm_name = "l3_clkdm", |
| 308 | .parent = &dpll_ddr_m2_ck, |
| 309 | .ops = &clkops_null, |
| 310 | .fixed_div = 2, |
| 311 | .recalc = &omap_fixed_divisor_recalc, |
| 312 | }; |
| 313 | |
| 314 | /* DPLL_DISP */ |
| 315 | static struct dpll_data dpll_disp_dd = { |
| 316 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_DISP, |
| 317 | .clk_bypass = &sys_clkin_ck, |
| 318 | .clk_ref = &sys_clkin_ck, |
| 319 | .control_reg = AM33XX_CM_CLKMODE_DPLL_DISP, |
| 320 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 321 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_DISP, |
| 322 | .mult_mask = AM33XX_DPLL_MULT_MASK, |
| 323 | .div1_mask = AM33XX_DPLL_DIV_MASK, |
| 324 | .enable_mask = AM33XX_DPLL_EN_MASK, |
| 325 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, |
| 326 | .max_multiplier = AM33XX_MAX_DPLL_MULT, |
| 327 | .max_divider = AM33XX_MAX_DPLL_DIV, |
| 328 | .min_divider = 1, |
| 329 | }; |
| 330 | |
| 331 | /* CLKOUT: fdpll/M2 */ |
| 332 | static struct clk dpll_disp_ck = { |
| 333 | .name = "dpll_disp_ck", |
| 334 | .parent = &sys_clkin_ck, |
| 335 | .dpll_data = &dpll_disp_dd, |
| 336 | .init = &omap2_init_dpll_parent, |
| 337 | .ops = &clkops_null, |
| 338 | .recalc = &omap3_dpll_recalc, |
| 339 | .round_rate = &omap2_dpll_round_rate, |
| 340 | .set_rate = &omap3_noncore_dpll_set_rate, |
| 341 | }; |
| 342 | |
| 343 | /* |
| 344 | * TODO: Add clksel here (sys_clkin, CORE_CLKOUTM6, PER_CLKOUTM2 |
| 345 | * and ALT_CLK1/2) |
| 346 | */ |
| 347 | static const struct clksel dpll_disp_m2_div[] = { |
| 348 | { .parent = &dpll_disp_ck, .rates = div31_1to31_rates }, |
| 349 | { .parent = NULL }, |
| 350 | }; |
| 351 | |
| 352 | static struct clk dpll_disp_m2_ck = { |
| 353 | .name = "dpll_disp_m2_ck", |
| 354 | .parent = &dpll_disp_ck, |
| 355 | .clksel = dpll_disp_m2_div, |
| 356 | .clksel_reg = AM33XX_CM_DIV_M2_DPLL_DISP, |
| 357 | .clksel_mask = AM33XX_DPLL_CLKOUT_DIV_MASK, |
| 358 | .ops = &clkops_null, |
| 359 | .recalc = &omap2_clksel_recalc, |
| 360 | .round_rate = &omap2_clksel_round_rate, |
| 361 | .set_rate = &omap2_clksel_set_rate, |
| 362 | }; |
| 363 | |
| 364 | /* DPLL_PER */ |
| 365 | static struct dpll_data dpll_per_dd = { |
| 366 | .mult_div1_reg = AM33XX_CM_CLKSEL_DPLL_PERIPH, |
| 367 | .clk_bypass = &sys_clkin_ck, |
| 368 | .clk_ref = &sys_clkin_ck, |
| 369 | .control_reg = AM33XX_CM_CLKMODE_DPLL_PER, |
| 370 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 371 | .idlest_reg = AM33XX_CM_IDLEST_DPLL_PER, |
| 372 | .mult_mask = AM33XX_DPLL_MULT_PERIPH_MASK, |
| 373 | .div1_mask = AM33XX_DPLL_PER_DIV_MASK, |
| 374 | .enable_mask = AM33XX_DPLL_EN_MASK, |
| 375 | .idlest_mask = AM33XX_ST_DPLL_CLK_MASK, |
| 376 | .max_multiplier = AM33XX_MAX_DPLL_MULT, |
| 377 | .max_divider = AM33XX_MAX_DPLL_DIV, |
| 378 | .min_divider = 1, |
| 379 | .flags = DPLL_J_TYPE, |
| 380 | }; |
| 381 | |
| 382 | /* CLKDCOLDO */ |
| 383 | static struct clk dpll_per_ck = { |
| 384 | .name = "dpll_per_ck", |
| 385 | .parent = &sys_clkin_ck, |
| 386 | .dpll_data = &dpll_per_dd, |
| 387 | .init = &omap2_init_dpll_parent, |
| 388 | .ops = &clkops_null, |
| 389 | .recalc = &omap3_dpll_recalc, |
| 390 | .round_rate = &omap2_dpll_round_rate, |
| 391 | .set_rate = &omap3_noncore_dpll_set_rate, |
| 392 | }; |
| 393 | |
| 394 | /* CLKOUT: fdpll/M2 */ |
| 395 | static const struct clksel dpll_per_m2_div[] = { |
| 396 | { .parent = &dpll_per_ck, .rates = div31_1to31_rates }, |
| 397 | { .parent = NULL }, |
| 398 | }; |
| 399 | |
| 400 | static struct clk dpll_per_m2_ck = { |
| 401 | .name = "dpll_per_m2_ck", |
| 402 | .parent = &dpll_per_ck, |
| 403 | .clksel = dpll_per_m2_div, |
| 404 | .clksel_reg = AM33XX_CM_DIV_M2_DPLL_PER, |
| 405 | .clksel_mask = AM33XX_DPLL_CLKOUT_DIV_MASK, |
| 406 | .ops = &clkops_null, |
| 407 | .recalc = &omap2_clksel_recalc, |
| 408 | .round_rate = &omap2_clksel_round_rate, |
| 409 | .set_rate = &omap2_clksel_set_rate, |
| 410 | }; |
| 411 | |
| 412 | static struct clk dpll_per_m2_div4_wkupdm_ck = { |
| 413 | .name = "dpll_per_m2_div4_wkupdm_ck", |
| 414 | .clkdm_name = "l4_wkup_clkdm", |
| 415 | .parent = &dpll_per_m2_ck, |
| 416 | .fixed_div = 4, |
| 417 | .ops = &clkops_null, |
| 418 | .recalc = &omap_fixed_divisor_recalc, |
| 419 | }; |
| 420 | |
| 421 | static struct clk dpll_per_m2_div4_ck = { |
| 422 | .name = "dpll_per_m2_div4_ck", |
| 423 | .clkdm_name = "l4ls_clkdm", |
| 424 | .parent = &dpll_per_m2_ck, |
| 425 | .fixed_div = 4, |
| 426 | .ops = &clkops_null, |
| 427 | .recalc = &omap_fixed_divisor_recalc, |
| 428 | }; |
| 429 | |
| 430 | static struct clk l3_gclk = { |
| 431 | .name = "l3_gclk", |
| 432 | .clkdm_name = "l3_clkdm", |
| 433 | .parent = &dpll_core_m4_ck, |
| 434 | .ops = &clkops_null, |
| 435 | .recalc = &followparent_recalc, |
| 436 | }; |
| 437 | |
| 438 | static struct clk dpll_core_m4_div2_ck = { |
| 439 | .name = "dpll_core_m4_div2_ck", |
| 440 | .clkdm_name = "l4_wkup_clkdm", |
| 441 | .parent = &dpll_core_m4_ck, |
| 442 | .ops = &clkops_null, |
| 443 | .fixed_div = 2, |
| 444 | .recalc = &omap_fixed_divisor_recalc, |
| 445 | }; |
| 446 | |
| 447 | static struct clk l4_rtc_gclk = { |
| 448 | .name = "l4_rtc_gclk", |
| 449 | .parent = &dpll_core_m4_ck, |
| 450 | .ops = &clkops_null, |
| 451 | .fixed_div = 2, |
| 452 | .recalc = &omap_fixed_divisor_recalc, |
| 453 | }; |
| 454 | |
| 455 | static struct clk clk_24mhz = { |
| 456 | .name = "clk_24mhz", |
| 457 | .parent = &dpll_per_m2_ck, |
| 458 | .fixed_div = 8, |
| 459 | .ops = &clkops_null, |
| 460 | .recalc = &omap_fixed_divisor_recalc, |
| 461 | }; |
| 462 | |
| 463 | /* |
| 464 | * Below clock nodes describes clockdomains derived out |
| 465 | * of core clock. |
| 466 | */ |
| 467 | static struct clk l4hs_gclk = { |
| 468 | .name = "l4hs_gclk", |
| 469 | .clkdm_name = "l4hs_clkdm", |
| 470 | .parent = &dpll_core_m4_ck, |
| 471 | .ops = &clkops_null, |
| 472 | .recalc = &followparent_recalc, |
| 473 | }; |
| 474 | |
| 475 | static struct clk l3s_gclk = { |
| 476 | .name = "l3s_gclk", |
| 477 | .clkdm_name = "l3s_clkdm", |
| 478 | .parent = &dpll_core_m4_div2_ck, |
| 479 | .ops = &clkops_null, |
| 480 | .recalc = &followparent_recalc, |
| 481 | }; |
| 482 | |
| 483 | static struct clk l4fw_gclk = { |
| 484 | .name = "l4fw_gclk", |
| 485 | .clkdm_name = "l4fw_clkdm", |
| 486 | .parent = &dpll_core_m4_div2_ck, |
| 487 | .ops = &clkops_null, |
| 488 | .recalc = &followparent_recalc, |
| 489 | }; |
| 490 | |
| 491 | static struct clk l4ls_gclk = { |
| 492 | .name = "l4ls_gclk", |
| 493 | .clkdm_name = "l4ls_clkdm", |
| 494 | .parent = &dpll_core_m4_div2_ck, |
| 495 | .ops = &clkops_null, |
| 496 | .recalc = &followparent_recalc, |
| 497 | }; |
| 498 | |
| 499 | static struct clk sysclk_div_ck = { |
| 500 | .name = "sysclk_div_ck", |
| 501 | .parent = &dpll_core_m4_ck, |
| 502 | .ops = &clkops_null, |
| 503 | .recalc = &followparent_recalc, |
| 504 | }; |
| 505 | |
| 506 | /* |
| 507 | * In order to match the clock domain with hwmod clockdomain entry, |
| 508 | * separate clock nodes is required for the modules which are |
| 509 | * directly getting their funtioncal clock from sys_clkin. |
| 510 | */ |
| 511 | static struct clk adc_tsc_fck = { |
| 512 | .name = "adc_tsc_fck", |
| 513 | .clkdm_name = "l4_wkup_clkdm", |
| 514 | .parent = &sys_clkin_ck, |
| 515 | .ops = &clkops_null, |
| 516 | .recalc = &followparent_recalc, |
| 517 | }; |
| 518 | |
| 519 | static struct clk dcan0_fck = { |
| 520 | .name = "dcan0_fck", |
| 521 | .clkdm_name = "l4ls_clkdm", |
| 522 | .parent = &sys_clkin_ck, |
| 523 | .ops = &clkops_null, |
| 524 | .recalc = &followparent_recalc, |
| 525 | }; |
| 526 | |
| 527 | static struct clk dcan1_fck = { |
| 528 | .name = "dcan1_fck", |
| 529 | .clkdm_name = "l4ls_clkdm", |
| 530 | .parent = &sys_clkin_ck, |
| 531 | .ops = &clkops_null, |
| 532 | .recalc = &followparent_recalc, |
| 533 | }; |
| 534 | |
| 535 | static struct clk mcasp0_fck = { |
| 536 | .name = "mcasp0_fck", |
| 537 | .clkdm_name = "l3s_clkdm", |
| 538 | .parent = &sys_clkin_ck, |
| 539 | .ops = &clkops_null, |
| 540 | .recalc = &followparent_recalc, |
| 541 | }; |
| 542 | |
| 543 | static struct clk mcasp1_fck = { |
| 544 | .name = "mcasp1_fck", |
| 545 | .clkdm_name = "l3s_clkdm", |
| 546 | .parent = &sys_clkin_ck, |
| 547 | .ops = &clkops_null, |
| 548 | .recalc = &followparent_recalc, |
| 549 | }; |
| 550 | |
| 551 | static struct clk smartreflex0_fck = { |
| 552 | .name = "smartreflex0_fck", |
| 553 | .clkdm_name = "l4_wkup_clkdm", |
| 554 | .parent = &sys_clkin_ck, |
| 555 | .ops = &clkops_null, |
| 556 | .recalc = &followparent_recalc, |
| 557 | }; |
| 558 | |
| 559 | static struct clk smartreflex1_fck = { |
| 560 | .name = "smartreflex1_fck", |
| 561 | .clkdm_name = "l4_wkup_clkdm", |
| 562 | .parent = &sys_clkin_ck, |
| 563 | .ops = &clkops_null, |
| 564 | .recalc = &followparent_recalc, |
| 565 | }; |
| 566 | |
| 567 | /* |
| 568 | * Modules clock nodes |
| 569 | * |
| 570 | * The following clock leaf nodes are added for the moment because: |
| 571 | * |
| 572 | * - hwmod data is not present for these modules, either hwmod |
| 573 | * control is not required or its not populated. |
| 574 | * - Driver code is not yet migrated to use hwmod/runtime pm |
| 575 | * - Modules outside kernel access (to disable them by default) |
| 576 | * |
| 577 | * - debugss |
| 578 | * - mmu (gfx domain) |
| 579 | * - cefuse |
| 580 | * - usbotg_fck (its additional clock and not really a modulemode) |
| 581 | * - ieee5000 |
| 582 | */ |
| 583 | static struct clk debugss_ick = { |
| 584 | .name = "debugss_ick", |
| 585 | .clkdm_name = "l3_aon_clkdm", |
| 586 | .parent = &dpll_core_m4_ck, |
| 587 | .ops = &clkops_omap2_dflt, |
| 588 | .enable_reg = AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, |
| 589 | .enable_bit = AM33XX_MODULEMODE_SWCTRL, |
| 590 | .recalc = &followparent_recalc, |
| 591 | }; |
| 592 | |
| 593 | static struct clk mmu_fck = { |
| 594 | .name = "mmu_fck", |
| 595 | .clkdm_name = "gfx_l3_clkdm", |
| 596 | .parent = &dpll_core_m4_ck, |
| 597 | .ops = &clkops_omap2_dflt, |
| 598 | .enable_reg = AM33XX_CM_GFX_MMUDATA_CLKCTRL, |
| 599 | .enable_bit = AM33XX_MODULEMODE_SWCTRL, |
| 600 | .recalc = &followparent_recalc, |
| 601 | }; |
| 602 | |
| 603 | static struct clk cefuse_fck = { |
| 604 | .name = "cefuse_fck", |
| 605 | .clkdm_name = "l4_cefuse_clkdm", |
| 606 | .parent = &sys_clkin_ck, |
| 607 | .enable_reg = AM33XX_CM_CEFUSE_CEFUSE_CLKCTRL, |
| 608 | .enable_bit = AM33XX_MODULEMODE_SWCTRL, |
| 609 | .ops = &clkops_omap2_dflt, |
| 610 | .recalc = &followparent_recalc, |
| 611 | }; |
| 612 | |
| 613 | /* |
| 614 | * clkdiv32 is generated from fixed division of 732.4219 |
| 615 | */ |
| 616 | static struct clk clkdiv32k_ick = { |
| 617 | .name = "clkdiv32k_ick", |
| 618 | .clkdm_name = "clk_24mhz_clkdm", |
| 619 | .rate = 32768, |
| 620 | .parent = &clk_24mhz, |
| 621 | .enable_reg = AM33XX_CM_PER_CLKDIV32K_CLKCTRL, |
| 622 | .enable_bit = AM33XX_MODULEMODE_SWCTRL, |
| 623 | .ops = &clkops_omap2_dflt, |
| 624 | }; |
| 625 | |
| 626 | static struct clk usbotg_fck = { |
| 627 | .name = "usbotg_fck", |
| 628 | .clkdm_name = "l3s_clkdm", |
| 629 | .parent = &dpll_per_ck, |
| 630 | .enable_reg = AM33XX_CM_CLKDCOLDO_DPLL_PER, |
| 631 | .enable_bit = AM33XX_ST_DPLL_CLKDCOLDO_SHIFT, |
| 632 | .ops = &clkops_omap2_dflt, |
| 633 | .recalc = &followparent_recalc, |
| 634 | }; |
| 635 | |
| 636 | static struct clk ieee5000_fck = { |
| 637 | .name = "ieee5000_fck", |
| 638 | .clkdm_name = "l3s_clkdm", |
| 639 | .parent = &dpll_core_m4_div2_ck, |
| 640 | .enable_reg = AM33XX_CM_PER_IEEE5000_CLKCTRL, |
| 641 | .enable_bit = AM33XX_MODULEMODE_SWCTRL, |
| 642 | .ops = &clkops_omap2_dflt, |
| 643 | .recalc = &followparent_recalc, |
| 644 | }; |
| 645 | |
| 646 | /* Timers */ |
| 647 | static const struct clksel timer1_clkmux_sel[] = { |
| 648 | { .parent = &sys_clkin_ck, .rates = div_1_0_rates }, |
| 649 | { .parent = &clkdiv32k_ick, .rates = div_1_1_rates }, |
| 650 | { .parent = &tclkin_ck, .rates = div_1_2_rates }, |
| 651 | { .parent = &clk_rc32k_ck, .rates = div_1_3_rates }, |
| 652 | { .parent = &clk_32768_ck, .rates = div_1_4_rates }, |
| 653 | { .parent = NULL }, |
| 654 | }; |
| 655 | |
| 656 | static struct clk timer1_fck = { |
| 657 | .name = "timer1_fck", |
| 658 | .clkdm_name = "l4ls_clkdm", |
| 659 | .parent = &sys_clkin_ck, |
| 660 | .init = &omap2_init_clksel_parent, |
| 661 | .clksel = timer1_clkmux_sel, |
| 662 | .clksel_reg = AM33XX_CLKSEL_TIMER1MS_CLK, |
| 663 | .clksel_mask = AM33XX_CLKSEL_0_2_MASK, |
| 664 | .ops = &clkops_null, |
| 665 | .recalc = &omap2_clksel_recalc, |
| 666 | }; |
| 667 | |
| 668 | static const struct clksel timer2_to_7_clk_sel[] = { |
| 669 | { .parent = &tclkin_ck, .rates = div_1_0_rates }, |
| 670 | { .parent = &sys_clkin_ck, .rates = div_1_1_rates }, |
| 671 | { .parent = &clkdiv32k_ick, .rates = div_1_2_rates }, |
| 672 | { .parent = NULL }, |
| 673 | }; |
| 674 | |
| 675 | static struct clk timer2_fck = { |
| 676 | .name = "timer2_fck", |
| 677 | .clkdm_name = "l4ls_clkdm", |
| 678 | .parent = &sys_clkin_ck, |
| 679 | .init = &omap2_init_clksel_parent, |
| 680 | .clksel = timer2_to_7_clk_sel, |
| 681 | .clksel_reg = AM33XX_CLKSEL_TIMER2_CLK, |
| 682 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, |
| 683 | .ops = &clkops_null, |
| 684 | .recalc = &omap2_clksel_recalc, |
| 685 | }; |
| 686 | |
| 687 | static struct clk timer3_fck = { |
| 688 | .name = "timer3_fck", |
| 689 | .clkdm_name = "l4ls_clkdm", |
| 690 | .parent = &sys_clkin_ck, |
| 691 | .init = &am33xx_init_timer_parent, |
| 692 | .clksel = timer2_to_7_clk_sel, |
| 693 | .clksel_reg = AM33XX_CLKSEL_TIMER3_CLK, |
| 694 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, |
| 695 | .ops = &clkops_null, |
| 696 | .recalc = &omap2_clksel_recalc, |
| 697 | }; |
| 698 | |
| 699 | static struct clk timer4_fck = { |
| 700 | .name = "timer4_fck", |
| 701 | .clkdm_name = "l4ls_clkdm", |
| 702 | .parent = &sys_clkin_ck, |
| 703 | .init = &omap2_init_clksel_parent, |
| 704 | .clksel = timer2_to_7_clk_sel, |
| 705 | .clksel_reg = AM33XX_CLKSEL_TIMER4_CLK, |
| 706 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, |
| 707 | .ops = &clkops_null, |
| 708 | .recalc = &omap2_clksel_recalc, |
| 709 | }; |
| 710 | |
| 711 | static struct clk timer5_fck = { |
| 712 | .name = "timer5_fck", |
| 713 | .clkdm_name = "l4ls_clkdm", |
| 714 | .parent = &sys_clkin_ck, |
| 715 | .init = &omap2_init_clksel_parent, |
| 716 | .clksel = timer2_to_7_clk_sel, |
| 717 | .clksel_reg = AM33XX_CLKSEL_TIMER5_CLK, |
| 718 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, |
| 719 | .ops = &clkops_null, |
| 720 | .recalc = &omap2_clksel_recalc, |
| 721 | }; |
| 722 | |
| 723 | static struct clk timer6_fck = { |
| 724 | .name = "timer6_fck", |
| 725 | .clkdm_name = "l4ls_clkdm", |
| 726 | .parent = &sys_clkin_ck, |
| 727 | .init = &am33xx_init_timer_parent, |
| 728 | .clksel = timer2_to_7_clk_sel, |
| 729 | .clksel_reg = AM33XX_CLKSEL_TIMER6_CLK, |
| 730 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, |
| 731 | .ops = &clkops_null, |
| 732 | .recalc = &omap2_clksel_recalc, |
| 733 | }; |
| 734 | |
| 735 | static struct clk timer7_fck = { |
| 736 | .name = "timer7_fck", |
| 737 | .clkdm_name = "l4ls_clkdm", |
| 738 | .parent = &sys_clkin_ck, |
| 739 | .init = &omap2_init_clksel_parent, |
| 740 | .clksel = timer2_to_7_clk_sel, |
| 741 | .clksel_reg = AM33XX_CLKSEL_TIMER7_CLK, |
| 742 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, |
| 743 | .ops = &clkops_null, |
| 744 | .recalc = &omap2_clksel_recalc, |
| 745 | }; |
| 746 | |
| 747 | static struct clk cpsw_125mhz_gclk = { |
| 748 | .name = "cpsw_125mhz_gclk", |
| 749 | .clkdm_name = "cpsw_125mhz_clkdm", |
| 750 | .parent = &dpll_core_m5_ck, |
| 751 | .ops = &clkops_null, |
| 752 | .fixed_div = 2, |
| 753 | .recalc = &omap_fixed_divisor_recalc, |
| 754 | }; |
| 755 | |
| 756 | static const struct clksel cpsw_cpts_rft_clkmux_sel[] = { |
| 757 | { .parent = &dpll_core_m5_ck, .rates = div_1_0_rates }, |
| 758 | { .parent = &dpll_core_m4_ck, .rates = div_1_1_rates }, |
| 759 | { .parent = NULL }, |
| 760 | }; |
| 761 | |
| 762 | static struct clk cpsw_cpts_rft_clk = { |
| 763 | .name = "cpsw_cpts_rft_clk", |
| 764 | .clkdm_name = "cpsw_125mhz_clkdm", |
| 765 | .parent = &dpll_core_m5_ck, |
| 766 | .clksel = cpsw_cpts_rft_clkmux_sel, |
| 767 | .clksel_reg = AM33XX_CM_CPTS_RFT_CLKSEL, |
| 768 | .clksel_mask = AM33XX_CLKSEL_0_0_MASK, |
| 769 | .ops = &clkops_null, |
| 770 | .recalc = &followparent_recalc, |
| 771 | }; |
| 772 | |
| 773 | /* gpio */ |
| 774 | static const struct clksel gpio0_dbclk_mux_sel[] = { |
| 775 | { .parent = &clk_rc32k_ck, .rates = div_1_0_rates }, |
| 776 | { .parent = &clk_32768_ck, .rates = div_1_1_rates }, |
| 777 | { .parent = &clkdiv32k_ick, .rates = div_1_2_rates }, |
| 778 | { .parent = NULL }, |
| 779 | }; |
| 780 | |
| 781 | static struct clk gpio0_dbclk_mux_ck = { |
| 782 | .name = "gpio0_dbclk_mux_ck", |
| 783 | .clkdm_name = "l4_wkup_clkdm", |
| 784 | .parent = &clk_rc32k_ck, |
| 785 | .init = &omap2_init_clksel_parent, |
| 786 | .clksel = gpio0_dbclk_mux_sel, |
| 787 | .clksel_reg = AM33XX_CLKSEL_GPIO0_DBCLK, |
| 788 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, |
| 789 | .ops = &clkops_null, |
| 790 | .recalc = &omap2_clksel_recalc, |
| 791 | }; |
| 792 | |
| 793 | static struct clk gpio0_dbclk = { |
| 794 | .name = "gpio0_dbclk", |
| 795 | .clkdm_name = "l4_wkup_clkdm", |
| 796 | .parent = &gpio0_dbclk_mux_ck, |
| 797 | .enable_reg = AM33XX_CM_WKUP_GPIO0_CLKCTRL, |
| 798 | .enable_bit = AM33XX_OPTFCLKEN_GPIO0_GDBCLK_SHIFT, |
| 799 | .ops = &clkops_omap2_dflt, |
| 800 | .recalc = &followparent_recalc, |
| 801 | }; |
| 802 | |
| 803 | static struct clk gpio1_dbclk = { |
| 804 | .name = "gpio1_dbclk", |
| 805 | .clkdm_name = "l4ls_clkdm", |
| 806 | .parent = &clkdiv32k_ick, |
| 807 | .enable_reg = AM33XX_CM_PER_GPIO1_CLKCTRL, |
| 808 | .enable_bit = AM33XX_OPTFCLKEN_GPIO_1_GDBCLK_SHIFT, |
| 809 | .ops = &clkops_omap2_dflt, |
| 810 | .recalc = &followparent_recalc, |
| 811 | }; |
| 812 | |
| 813 | static struct clk gpio2_dbclk = { |
| 814 | .name = "gpio2_dbclk", |
| 815 | .clkdm_name = "l4ls_clkdm", |
| 816 | .parent = &clkdiv32k_ick, |
| 817 | .enable_reg = AM33XX_CM_PER_GPIO2_CLKCTRL, |
| 818 | .enable_bit = AM33XX_OPTFCLKEN_GPIO_2_GDBCLK_SHIFT, |
| 819 | .ops = &clkops_omap2_dflt, |
| 820 | .recalc = &followparent_recalc, |
| 821 | }; |
| 822 | |
| 823 | static struct clk gpio3_dbclk = { |
| 824 | .name = "gpio3_dbclk", |
| 825 | .clkdm_name = "l4ls_clkdm", |
| 826 | .parent = &clkdiv32k_ick, |
| 827 | .enable_reg = AM33XX_CM_PER_GPIO3_CLKCTRL, |
| 828 | .enable_bit = AM33XX_OPTFCLKEN_GPIO_3_GDBCLK_SHIFT, |
| 829 | .ops = &clkops_omap2_dflt, |
| 830 | .recalc = &followparent_recalc, |
| 831 | }; |
| 832 | |
| 833 | static const struct clksel pruss_ocp_clk_mux_sel[] = { |
| 834 | { .parent = &l3_gclk, .rates = div_1_0_rates }, |
| 835 | { .parent = &dpll_disp_m2_ck, .rates = div_1_1_rates }, |
| 836 | { .parent = NULL }, |
| 837 | }; |
| 838 | |
| 839 | static struct clk pruss_ocp_gclk = { |
| 840 | .name = "pruss_ocp_gclk", |
| 841 | .clkdm_name = "pruss_ocp_clkdm", |
| 842 | .parent = &l3_gclk, |
| 843 | .init = &omap2_init_clksel_parent, |
| 844 | .clksel = pruss_ocp_clk_mux_sel, |
| 845 | .clksel_reg = AM33XX_CLKSEL_PRUSS_OCP_CLK, |
| 846 | .clksel_mask = AM33XX_CLKSEL_0_0_MASK, |
| 847 | .ops = &clkops_null, |
| 848 | .recalc = &followparent_recalc, |
| 849 | }; |
| 850 | |
| 851 | static const struct clksel lcd_clk_mux_sel[] = { |
| 852 | { .parent = &dpll_disp_m2_ck, .rates = div_1_0_rates }, |
| 853 | { .parent = &dpll_core_m5_ck, .rates = div_1_1_rates }, |
| 854 | { .parent = &dpll_per_m2_ck, .rates = div_1_2_rates }, |
| 855 | { .parent = NULL }, |
| 856 | }; |
| 857 | |
| 858 | static struct clk lcd_gclk = { |
| 859 | .name = "lcd_gclk", |
| 860 | .clkdm_name = "lcdc_clkdm", |
| 861 | .parent = &dpll_disp_m2_ck, |
| 862 | .init = &omap2_init_clksel_parent, |
| 863 | .clksel = lcd_clk_mux_sel, |
| 864 | .clksel_reg = AM33XX_CLKSEL_LCDC_PIXEL_CLK, |
| 865 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, |
| 866 | .ops = &clkops_null, |
| 867 | .recalc = &followparent_recalc, |
| 868 | }; |
| 869 | |
| 870 | static struct clk mmc_clk = { |
| 871 | .name = "mmc_clk", |
| 872 | .clkdm_name = "l4ls_clkdm", |
| 873 | .parent = &dpll_per_m2_ck, |
| 874 | .ops = &clkops_null, |
| 875 | .fixed_div = 2, |
| 876 | .recalc = &omap_fixed_divisor_recalc, |
| 877 | }; |
| 878 | |
| 879 | static struct clk mmc2_fck = { |
| 880 | .name = "mmc2_fck", |
| 881 | .clkdm_name = "l3s_clkdm", |
| 882 | .parent = &mmc_clk, |
| 883 | .ops = &clkops_null, |
| 884 | .recalc = &followparent_recalc, |
| 885 | }; |
| 886 | |
| 887 | static const struct clksel gfx_clksel_sel[] = { |
| 888 | { .parent = &dpll_core_m4_ck, .rates = div_1_0_rates }, |
| 889 | { .parent = &dpll_per_m2_ck, .rates = div_1_1_rates }, |
| 890 | { .parent = NULL }, |
| 891 | }; |
| 892 | |
| 893 | static struct clk gfx_fclk_clksel_ck = { |
| 894 | .name = "gfx_fclk_clksel_ck", |
| 895 | .parent = &dpll_core_m4_ck, |
| 896 | .clksel = gfx_clksel_sel, |
| 897 | .ops = &clkops_null, |
| 898 | .clksel_reg = AM33XX_CLKSEL_GFX_FCLK, |
| 899 | .clksel_mask = AM33XX_CLKSEL_GFX_FCLK_MASK, |
| 900 | .recalc = &omap2_clksel_recalc, |
| 901 | }; |
| 902 | |
| 903 | static const struct clksel_rate div_1_0_2_1_rates[] = { |
| 904 | { .div = 1, .val = 0, .flags = RATE_IN_AM33XX }, |
| 905 | { .div = 2, .val = 1, .flags = RATE_IN_AM33XX }, |
| 906 | { .div = 0 }, |
| 907 | }; |
| 908 | |
| 909 | static const struct clksel gfx_div_sel[] = { |
| 910 | { .parent = &gfx_fclk_clksel_ck, .rates = div_1_0_2_1_rates }, |
| 911 | { .parent = NULL }, |
| 912 | }; |
| 913 | |
| 914 | static struct clk gfx_fck_div_ck = { |
| 915 | .name = "gfx_fck_div_ck", |
| 916 | .clkdm_name = "gfx_l3_clkdm", |
| 917 | .parent = &gfx_fclk_clksel_ck, |
| 918 | .init = &omap2_init_clksel_parent, |
| 919 | .clksel = gfx_div_sel, |
| 920 | .clksel_reg = AM33XX_CLKSEL_GFX_FCLK, |
| 921 | .clksel_mask = AM33XX_CLKSEL_0_0_MASK, |
| 922 | .recalc = &omap2_clksel_recalc, |
| 923 | .round_rate = &omap2_clksel_round_rate, |
| 924 | .set_rate = &omap2_clksel_set_rate, |
| 925 | .ops = &clkops_null, |
| 926 | }; |
| 927 | |
| 928 | static const struct clksel sysclkout_pre_sel[] = { |
| 929 | { .parent = &clk_32768_ck, .rates = div_1_0_rates }, |
| 930 | { .parent = &l3_gclk, .rates = div_1_1_rates }, |
| 931 | { .parent = &dpll_ddr_m2_ck, .rates = div_1_2_rates }, |
| 932 | { .parent = &dpll_per_m2_ck, .rates = div_1_3_rates }, |
| 933 | { .parent = &lcd_gclk, .rates = div_1_4_rates }, |
| 934 | { .parent = NULL }, |
| 935 | }; |
| 936 | |
| 937 | static struct clk sysclkout_pre_ck = { |
| 938 | .name = "sysclkout_pre_ck", |
| 939 | .parent = &clk_32768_ck, |
| 940 | .init = &omap2_init_clksel_parent, |
| 941 | .clksel = sysclkout_pre_sel, |
| 942 | .clksel_reg = AM33XX_CM_CLKOUT_CTRL, |
| 943 | .clksel_mask = AM33XX_CLKOUT2SOURCE_MASK, |
| 944 | .ops = &clkops_null, |
| 945 | .recalc = &omap2_clksel_recalc, |
| 946 | }; |
| 947 | |
| 948 | /* Divide by 8 clock rates with default clock is 1/1*/ |
| 949 | static const struct clksel_rate div8_rates[] = { |
| 950 | { .div = 1, .val = 0, .flags = RATE_IN_AM33XX }, |
| 951 | { .div = 2, .val = 1, .flags = RATE_IN_AM33XX }, |
| 952 | { .div = 3, .val = 2, .flags = RATE_IN_AM33XX }, |
| 953 | { .div = 4, .val = 3, .flags = RATE_IN_AM33XX }, |
| 954 | { .div = 5, .val = 4, .flags = RATE_IN_AM33XX }, |
| 955 | { .div = 6, .val = 5, .flags = RATE_IN_AM33XX }, |
| 956 | { .div = 7, .val = 6, .flags = RATE_IN_AM33XX }, |
| 957 | { .div = 8, .val = 7, .flags = RATE_IN_AM33XX }, |
| 958 | { .div = 0 }, |
| 959 | }; |
| 960 | |
| 961 | static const struct clksel clkout2_div[] = { |
| 962 | { .parent = &sysclkout_pre_ck, .rates = div8_rates }, |
| 963 | { .parent = NULL }, |
| 964 | }; |
| 965 | |
| 966 | static struct clk clkout2_ck = { |
| 967 | .name = "clkout2_ck", |
| 968 | .parent = &sysclkout_pre_ck, |
| 969 | .ops = &clkops_omap2_dflt, |
| 970 | .clksel = clkout2_div, |
| 971 | .clksel_reg = AM33XX_CM_CLKOUT_CTRL, |
| 972 | .clksel_mask = AM33XX_CLKOUT2DIV_MASK, |
| 973 | .enable_reg = AM33XX_CM_CLKOUT_CTRL, |
| 974 | .enable_bit = AM33XX_CLKOUT2EN_SHIFT, |
| 975 | .recalc = &omap2_clksel_recalc, |
| 976 | .round_rate = &omap2_clksel_round_rate, |
| 977 | .set_rate = &omap2_clksel_set_rate, |
| 978 | }; |
| 979 | |
| 980 | static const struct clksel wdt_clkmux_sel[] = { |
| 981 | { .parent = &clk_rc32k_ck, .rates = div_1_0_rates }, |
| 982 | { .parent = &clkdiv32k_ick, .rates = div_1_1_rates }, |
| 983 | { .parent = NULL }, |
| 984 | }; |
| 985 | |
| 986 | static struct clk wdt1_fck = { |
| 987 | .name = "wdt1_fck", |
| 988 | .clkdm_name = "l4_wkup_clkdm", |
| 989 | .parent = &clk_rc32k_ck, |
| 990 | .init = &omap2_init_clksel_parent, |
| 991 | .clksel = wdt_clkmux_sel, |
| 992 | .clksel_reg = AM33XX_CLKSEL_WDT1_CLK, |
| 993 | .clksel_mask = AM33XX_CLKSEL_0_1_MASK, |
| 994 | .ops = &clkops_null, |
| 995 | .recalc = &omap2_clksel_recalc, |
| 996 | }; |
| 997 | |
| 998 | /* |
| 999 | * clkdev |
| 1000 | */ |
| 1001 | static struct omap_clk am33xx_clks[] = { |
| 1002 | CLK(NULL, "clk_32768_ck", &clk_32768_ck, CK_AM33XX), |
| 1003 | CLK(NULL, "clk_rc32k_ck", &clk_rc32k_ck, CK_AM33XX), |
| 1004 | CLK(NULL, "virt_19200000_ck", &virt_19200000_ck, CK_AM33XX), |
| 1005 | CLK(NULL, "virt_24000000_ck", &virt_24000000_ck, CK_AM33XX), |
| 1006 | CLK(NULL, "virt_25000000_ck", &virt_25000000_ck, CK_AM33XX), |
| 1007 | CLK(NULL, "virt_26000000_ck", &virt_26000000_ck, CK_AM33XX), |
| 1008 | CLK(NULL, "sys_clkin_ck", &sys_clkin_ck, CK_AM33XX), |
| 1009 | CLK(NULL, "tclkin_ck", &tclkin_ck, CK_AM33XX), |
| 1010 | CLK(NULL, "dpll_core_ck", &dpll_core_ck, CK_AM33XX), |
| 1011 | CLK(NULL, "dpll_core_x2_ck", &dpll_core_x2_ck, CK_AM33XX), |
| 1012 | CLK(NULL, "dpll_core_m4_ck", &dpll_core_m4_ck, CK_AM33XX), |
| 1013 | CLK(NULL, "dpll_core_m5_ck", &dpll_core_m5_ck, CK_AM33XX), |
| 1014 | CLK(NULL, "dpll_core_m6_ck", &dpll_core_m6_ck, CK_AM33XX), |
| 1015 | CLK(NULL, "dpll_mpu_ck", &dpll_mpu_ck, CK_AM33XX), |
AnilKumar Ch | 4236bd0 | 2012-09-22 02:24:15 -0600 | [diff] [blame] | 1016 | CLK("cpu0", NULL, &dpll_mpu_ck, CK_AM33XX), |
Vaibhav Hiremath | e30384a | 2012-05-29 15:26:41 +0530 | [diff] [blame] | 1017 | CLK(NULL, "dpll_mpu_m2_ck", &dpll_mpu_m2_ck, CK_AM33XX), |
| 1018 | CLK(NULL, "dpll_ddr_ck", &dpll_ddr_ck, CK_AM33XX), |
| 1019 | CLK(NULL, "dpll_ddr_m2_ck", &dpll_ddr_m2_ck, CK_AM33XX), |
| 1020 | CLK(NULL, "dpll_ddr_m2_div2_ck", &dpll_ddr_m2_div2_ck, CK_AM33XX), |
| 1021 | CLK(NULL, "dpll_disp_ck", &dpll_disp_ck, CK_AM33XX), |
| 1022 | CLK(NULL, "dpll_disp_m2_ck", &dpll_disp_m2_ck, CK_AM33XX), |
| 1023 | CLK(NULL, "dpll_per_ck", &dpll_per_ck, CK_AM33XX), |
| 1024 | CLK(NULL, "dpll_per_m2_ck", &dpll_per_m2_ck, CK_AM33XX), |
| 1025 | CLK(NULL, "dpll_per_m2_div4_wkupdm_ck", &dpll_per_m2_div4_wkupdm_ck, CK_AM33XX), |
| 1026 | CLK(NULL, "dpll_per_m2_div4_ck", &dpll_per_m2_div4_ck, CK_AM33XX), |
| 1027 | CLK(NULL, "adc_tsc_fck", &adc_tsc_fck, CK_AM33XX), |
| 1028 | CLK(NULL, "cefuse_fck", &cefuse_fck, CK_AM33XX), |
| 1029 | CLK(NULL, "clkdiv32k_ick", &clkdiv32k_ick, CK_AM33XX), |
| 1030 | CLK(NULL, "dcan0_fck", &dcan0_fck, CK_AM33XX), |
Vaibhav Hiremath | 83c1154 | 2012-08-27 15:34:02 +0530 | [diff] [blame] | 1031 | CLK("481cc000.d_can", NULL, &dcan0_fck, CK_AM33XX), |
Vaibhav Hiremath | e30384a | 2012-05-29 15:26:41 +0530 | [diff] [blame] | 1032 | CLK(NULL, "dcan1_fck", &dcan1_fck, CK_AM33XX), |
Vaibhav Hiremath | 83c1154 | 2012-08-27 15:34:02 +0530 | [diff] [blame] | 1033 | CLK("481d0000.d_can", NULL, &dcan1_fck, CK_AM33XX), |
Vaibhav Hiremath | e30384a | 2012-05-29 15:26:41 +0530 | [diff] [blame] | 1034 | CLK(NULL, "debugss_ick", &debugss_ick, CK_AM33XX), |
| 1035 | CLK(NULL, "pruss_ocp_gclk", &pruss_ocp_gclk, CK_AM33XX), |
| 1036 | CLK("davinci-mcasp.0", NULL, &mcasp0_fck, CK_AM33XX), |
| 1037 | CLK("davinci-mcasp.1", NULL, &mcasp1_fck, CK_AM33XX), |
Vaibhav Hiremath | 2efd543 | 2012-10-07 13:09:58 -0600 | [diff] [blame] | 1038 | CLK(NULL, "mcasp0_fck", &mcasp0_fck, CK_AM33XX), |
| 1039 | CLK(NULL, "mcasp1_fck", &mcasp1_fck, CK_AM33XX), |
Vaibhav Hiremath | e30384a | 2012-05-29 15:26:41 +0530 | [diff] [blame] | 1040 | CLK("NULL", "mmc2_fck", &mmc2_fck, CK_AM33XX), |
| 1041 | CLK(NULL, "mmu_fck", &mmu_fck, CK_AM33XX), |
| 1042 | CLK(NULL, "smartreflex0_fck", &smartreflex0_fck, CK_AM33XX), |
| 1043 | CLK(NULL, "smartreflex1_fck", &smartreflex1_fck, CK_AM33XX), |
Vaibhav Hiremath | 5776501 | 2012-09-03 11:50:36 -0600 | [diff] [blame] | 1044 | CLK(NULL, "timer1_fck", &timer1_fck, CK_AM33XX), |
| 1045 | CLK(NULL, "timer2_fck", &timer2_fck, CK_AM33XX), |
| 1046 | CLK(NULL, "timer3_fck", &timer3_fck, CK_AM33XX), |
| 1047 | CLK(NULL, "timer4_fck", &timer4_fck, CK_AM33XX), |
| 1048 | CLK(NULL, "timer5_fck", &timer5_fck, CK_AM33XX), |
| 1049 | CLK(NULL, "timer6_fck", &timer6_fck, CK_AM33XX), |
| 1050 | CLK(NULL, "timer7_fck", &timer7_fck, CK_AM33XX), |
Vaibhav Hiremath | e30384a | 2012-05-29 15:26:41 +0530 | [diff] [blame] | 1051 | CLK(NULL, "usbotg_fck", &usbotg_fck, CK_AM33XX), |
| 1052 | CLK(NULL, "ieee5000_fck", &ieee5000_fck, CK_AM33XX), |
| 1053 | CLK(NULL, "wdt1_fck", &wdt1_fck, CK_AM33XX), |
| 1054 | CLK(NULL, "l4_rtc_gclk", &l4_rtc_gclk, CK_AM33XX), |
| 1055 | CLK(NULL, "l3_gclk", &l3_gclk, CK_AM33XX), |
| 1056 | CLK(NULL, "dpll_core_m4_div2_ck", &dpll_core_m4_div2_ck, CK_AM33XX), |
| 1057 | CLK(NULL, "l4hs_gclk", &l4hs_gclk, CK_AM33XX), |
| 1058 | CLK(NULL, "l3s_gclk", &l3s_gclk, CK_AM33XX), |
| 1059 | CLK(NULL, "l4fw_gclk", &l4fw_gclk, CK_AM33XX), |
| 1060 | CLK(NULL, "l4ls_gclk", &l4ls_gclk, CK_AM33XX), |
| 1061 | CLK(NULL, "clk_24mhz", &clk_24mhz, CK_AM33XX), |
| 1062 | CLK(NULL, "sysclk_div_ck", &sysclk_div_ck, CK_AM33XX), |
| 1063 | CLK(NULL, "cpsw_125mhz_gclk", &cpsw_125mhz_gclk, CK_AM33XX), |
| 1064 | CLK(NULL, "cpsw_cpts_rft_clk", &cpsw_cpts_rft_clk, CK_AM33XX), |
| 1065 | CLK(NULL, "gpio0_dbclk_mux_ck", &gpio0_dbclk_mux_ck, CK_AM33XX), |
| 1066 | CLK(NULL, "gpio0_dbclk", &gpio0_dbclk, CK_AM33XX), |
| 1067 | CLK(NULL, "gpio1_dbclk", &gpio1_dbclk, CK_AM33XX), |
| 1068 | CLK(NULL, "gpio2_dbclk", &gpio2_dbclk, CK_AM33XX), |
| 1069 | CLK(NULL, "gpio3_dbclk", &gpio3_dbclk, CK_AM33XX), |
| 1070 | CLK(NULL, "lcd_gclk", &lcd_gclk, CK_AM33XX), |
| 1071 | CLK(NULL, "mmc_clk", &mmc_clk, CK_AM33XX), |
| 1072 | CLK(NULL, "gfx_fclk_clksel_ck", &gfx_fclk_clksel_ck, CK_AM33XX), |
| 1073 | CLK(NULL, "gfx_fck_div_ck", &gfx_fck_div_ck, CK_AM33XX), |
| 1074 | CLK(NULL, "sysclkout_pre_ck", &sysclkout_pre_ck, CK_AM33XX), |
| 1075 | CLK(NULL, "clkout2_ck", &clkout2_ck, CK_AM33XX), |
| 1076 | }; |
| 1077 | |
| 1078 | int __init am33xx_clk_init(void) |
| 1079 | { |
| 1080 | struct omap_clk *c; |
| 1081 | u32 cpu_clkflg; |
| 1082 | |
Tony Lindgren | 79ab266 | 2012-07-05 08:18:04 -0700 | [diff] [blame] | 1083 | if (soc_is_am33xx()) { |
Vaibhav Hiremath | e30384a | 2012-05-29 15:26:41 +0530 | [diff] [blame] | 1084 | cpu_mask = RATE_IN_AM33XX; |
| 1085 | cpu_clkflg = CK_AM33XX; |
| 1086 | } |
| 1087 | |
| 1088 | clk_init(&omap2_clk_functions); |
| 1089 | |
| 1090 | for (c = am33xx_clks; c < am33xx_clks + ARRAY_SIZE(am33xx_clks); c++) |
| 1091 | clk_preinit(c->lk.clk); |
| 1092 | |
| 1093 | for (c = am33xx_clks; c < am33xx_clks + ARRAY_SIZE(am33xx_clks); c++) { |
| 1094 | if (c->cpu & cpu_clkflg) { |
| 1095 | clkdev_add(&c->lk); |
| 1096 | clk_register(c->lk.clk); |
| 1097 | omap2_init_clk_clkdm(c->lk.clk); |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | recalculate_root_clocks(); |
| 1102 | |
| 1103 | /* |
| 1104 | * Only enable those clocks we will need, let the drivers |
| 1105 | * enable other clocks as necessary |
| 1106 | */ |
| 1107 | clk_enable_init_clocks(); |
| 1108 | |
| 1109 | return 0; |
| 1110 | } |