1 /* 2 * OMAP DPLL clock support 3 * 4 * Copyright (C) 2013 Texas Instruments, Inc. 5 * 6 * Tero Kristo <t-kristo@ti.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 * 12 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 13 * kind, whether express or implied; without even the implied warranty 14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 */ 17 18 #include <linux/clk.h> 19 #include <linux/clk-provider.h> 20 #include <linux/slab.h> 21 #include <linux/err.h> 22 #include <linux/of.h> 23 #include <linux/of_address.h> 24 #include <linux/clk/ti.h> 25 #include "clock.h" 26 27 #undef pr_fmt 28 #define pr_fmt(fmt) "%s: " fmt, __func__ 29 30 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 31 defined(CONFIG_SOC_DRA7XX) 32 static const struct clk_ops dpll_m4xen_ck_ops = { 33 .enable = &omap3_noncore_dpll_enable, 34 .disable = &omap3_noncore_dpll_disable, 35 .recalc_rate = &omap4_dpll_regm4xen_recalc, 36 .round_rate = &omap4_dpll_regm4xen_round_rate, 37 .set_rate = &omap3_noncore_dpll_set_rate, 38 .set_parent = &omap3_noncore_dpll_set_parent, 39 .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 40 .determine_rate = &omap4_dpll_regm4xen_determine_rate, 41 .get_parent = &omap2_init_dpll_parent, 42 }; 43 #else 44 static const struct clk_ops dpll_m4xen_ck_ops = {}; 45 #endif 46 47 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) || \ 48 defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) || \ 49 defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) 50 static const struct clk_ops dpll_core_ck_ops = { 51 .recalc_rate = &omap3_dpll_recalc, 52 .get_parent = &omap2_init_dpll_parent, 53 }; 54 55 static const struct clk_ops dpll_ck_ops = { 56 .enable = &omap3_noncore_dpll_enable, 57 .disable = &omap3_noncore_dpll_disable, 58 .recalc_rate = &omap3_dpll_recalc, 59 .round_rate = &omap2_dpll_round_rate, 60 .set_rate = &omap3_noncore_dpll_set_rate, 61 .set_parent = &omap3_noncore_dpll_set_parent, 62 .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 63 .determine_rate = &omap3_noncore_dpll_determine_rate, 64 .get_parent = &omap2_init_dpll_parent, 65 }; 66 67 static const struct clk_ops dpll_no_gate_ck_ops = { 68 .recalc_rate = &omap3_dpll_recalc, 69 .get_parent = &omap2_init_dpll_parent, 70 .round_rate = &omap2_dpll_round_rate, 71 .set_rate = &omap3_noncore_dpll_set_rate, 72 .set_parent = &omap3_noncore_dpll_set_parent, 73 .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 74 .determine_rate = &omap3_noncore_dpll_determine_rate, 75 }; 76 #else 77 static const struct clk_ops dpll_core_ck_ops = {}; 78 static const struct clk_ops dpll_ck_ops = {}; 79 static const struct clk_ops dpll_no_gate_ck_ops = {}; 80 const struct clk_hw_omap_ops clkhwops_omap3_dpll = {}; 81 #endif 82 83 #ifdef CONFIG_ARCH_OMAP2 84 static const struct clk_ops omap2_dpll_core_ck_ops = { 85 .get_parent = &omap2_init_dpll_parent, 86 .recalc_rate = &omap2_dpllcore_recalc, 87 .round_rate = &omap2_dpll_round_rate, 88 .set_rate = &omap2_reprogram_dpllcore, 89 }; 90 #else 91 static const struct clk_ops omap2_dpll_core_ck_ops = {}; 92 #endif 93 94 #ifdef CONFIG_ARCH_OMAP3 95 static const struct clk_ops omap3_dpll_core_ck_ops = { 96 .get_parent = &omap2_init_dpll_parent, 97 .recalc_rate = &omap3_dpll_recalc, 98 .round_rate = &omap2_dpll_round_rate, 99 }; 100 #else 101 static const struct clk_ops omap3_dpll_core_ck_ops = {}; 102 #endif 103 104 #ifdef CONFIG_ARCH_OMAP3 105 static const struct clk_ops omap3_dpll_ck_ops = { 106 .enable = &omap3_noncore_dpll_enable, 107 .disable = &omap3_noncore_dpll_disable, 108 .get_parent = &omap2_init_dpll_parent, 109 .recalc_rate = &omap3_dpll_recalc, 110 .set_rate = &omap3_noncore_dpll_set_rate, 111 .set_parent = &omap3_noncore_dpll_set_parent, 112 .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 113 .determine_rate = &omap3_noncore_dpll_determine_rate, 114 .round_rate = &omap2_dpll_round_rate, 115 }; 116 117 static const struct clk_ops omap3_dpll5_ck_ops = { 118 .enable = &omap3_noncore_dpll_enable, 119 .disable = &omap3_noncore_dpll_disable, 120 .get_parent = &omap2_init_dpll_parent, 121 .recalc_rate = &omap3_dpll_recalc, 122 .set_rate = &omap3_dpll5_set_rate, 123 .set_parent = &omap3_noncore_dpll_set_parent, 124 .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 125 .determine_rate = &omap3_noncore_dpll_determine_rate, 126 .round_rate = &omap2_dpll_round_rate, 127 }; 128 129 static const struct clk_ops omap3_dpll_per_ck_ops = { 130 .enable = &omap3_noncore_dpll_enable, 131 .disable = &omap3_noncore_dpll_disable, 132 .get_parent = &omap2_init_dpll_parent, 133 .recalc_rate = &omap3_dpll_recalc, 134 .set_rate = &omap3_dpll4_set_rate, 135 .set_parent = &omap3_noncore_dpll_set_parent, 136 .set_rate_and_parent = &omap3_dpll4_set_rate_and_parent, 137 .determine_rate = &omap3_noncore_dpll_determine_rate, 138 .round_rate = &omap2_dpll_round_rate, 139 }; 140 #endif 141 142 static const struct clk_ops dpll_x2_ck_ops = { 143 .recalc_rate = &omap3_clkoutx2_recalc, 144 }; 145 146 /** 147 * _register_dpll - low level registration of a DPLL clock 148 * @hw: hardware clock definition for the clock 149 * @node: device node for the clock 150 * 151 * Finalizes DPLL registration process. In case a failure (clk-ref or 152 * clk-bypass is missing), the clock is added to retry list and 153 * the initialization is retried on later stage. 154 */ 155 static void __init _register_dpll(void *user, 156 struct device_node *node) 157 { 158 struct clk_hw *hw = user; 159 struct clk_hw_omap *clk_hw = to_clk_hw_omap(hw); 160 struct dpll_data *dd = clk_hw->dpll_data; 161 struct clk *clk; 162 163 clk = of_clk_get(node, 0); 164 if (IS_ERR(clk)) { 165 pr_debug("clk-ref missing for %s, retry later\n", 166 node->name); 167 if (!ti_clk_retry_init(node, hw, _register_dpll)) 168 return; 169 170 goto cleanup; 171 } 172 173 dd->clk_ref = __clk_get_hw(clk); 174 175 clk = of_clk_get(node, 1); 176 177 if (IS_ERR(clk)) { 178 pr_debug("clk-bypass missing for %s, retry later\n", 179 node->name); 180 if (!ti_clk_retry_init(node, hw, _register_dpll)) 181 return; 182 183 goto cleanup; 184 } 185 186 dd->clk_bypass = __clk_get_hw(clk); 187 188 /* register the clock */ 189 clk = ti_clk_register(NULL, &clk_hw->hw, node->name); 190 191 if (!IS_ERR(clk)) { 192 omap2_init_clk_hw_omap_clocks(&clk_hw->hw); 193 of_clk_add_provider(node, of_clk_src_simple_get, clk); 194 kfree(clk_hw->hw.init->parent_names); 195 kfree(clk_hw->hw.init); 196 return; 197 } 198 199 cleanup: 200 kfree(clk_hw->dpll_data); 201 kfree(clk_hw->hw.init->parent_names); 202 kfree(clk_hw->hw.init); 203 kfree(clk_hw); 204 } 205 206 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 207 defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \ 208 defined(CONFIG_SOC_AM43XX) 209 /** 210 * _register_dpll_x2 - Registers a DPLLx2 clock 211 * @node: device node for this clock 212 * @ops: clk_ops for this clock 213 * @hw_ops: clk_hw_ops for this clock 214 * 215 * Initializes a DPLL x 2 clock from device tree data. 216 */ 217 static void _register_dpll_x2(struct device_node *node, 218 const struct clk_ops *ops, 219 const struct clk_hw_omap_ops *hw_ops) 220 { 221 struct clk *clk; 222 struct clk_init_data init = { NULL }; 223 struct clk_hw_omap *clk_hw; 224 const char *name = node->name; 225 const char *parent_name; 226 227 parent_name = of_clk_get_parent_name(node, 0); 228 if (!parent_name) { 229 pr_err("%s must have parent\n", node->name); 230 return; 231 } 232 233 clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); 234 if (!clk_hw) 235 return; 236 237 clk_hw->ops = hw_ops; 238 clk_hw->hw.init = &init; 239 240 init.name = name; 241 init.ops = ops; 242 init.parent_names = &parent_name; 243 init.num_parents = 1; 244 245 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 246 defined(CONFIG_SOC_DRA7XX) 247 if (hw_ops == &clkhwops_omap4_dpllmx) { 248 int ret; 249 250 /* Check if register defined, if not, drop hw-ops */ 251 ret = of_property_count_elems_of_size(node, "reg", 1); 252 if (ret <= 0) { 253 clk_hw->ops = NULL; 254 } else if (ti_clk_get_reg_addr(node, 0, &clk_hw->clksel_reg)) { 255 kfree(clk_hw); 256 return; 257 } 258 } 259 #endif 260 261 /* register the clock */ 262 clk = ti_clk_register(NULL, &clk_hw->hw, name); 263 264 if (IS_ERR(clk)) { 265 kfree(clk_hw); 266 } else { 267 omap2_init_clk_hw_omap_clocks(&clk_hw->hw); 268 of_clk_add_provider(node, of_clk_src_simple_get, clk); 269 } 270 } 271 #endif 272 273 /** 274 * of_ti_dpll_setup - Setup function for OMAP DPLL clocks 275 * @node: device node containing the DPLL info 276 * @ops: ops for the DPLL 277 * @ddt: DPLL data template to use 278 * 279 * Initializes a DPLL clock from device tree data. 280 */ 281 static void __init of_ti_dpll_setup(struct device_node *node, 282 const struct clk_ops *ops, 283 const struct dpll_data *ddt) 284 { 285 struct clk_hw_omap *clk_hw = NULL; 286 struct clk_init_data *init = NULL; 287 const char **parent_names = NULL; 288 struct dpll_data *dd = NULL; 289 u8 dpll_mode = 0; 290 291 dd = kzalloc(sizeof(*dd), GFP_KERNEL); 292 clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); 293 init = kzalloc(sizeof(*init), GFP_KERNEL); 294 if (!dd || !clk_hw || !init) 295 goto cleanup; 296 297 memcpy(dd, ddt, sizeof(*dd)); 298 299 clk_hw->dpll_data = dd; 300 clk_hw->ops = &clkhwops_omap3_dpll; 301 clk_hw->hw.init = init; 302 303 init->name = node->name; 304 init->ops = ops; 305 306 init->num_parents = of_clk_get_parent_count(node); 307 if (!init->num_parents) { 308 pr_err("%s must have parent(s)\n", node->name); 309 goto cleanup; 310 } 311 312 parent_names = kcalloc(init->num_parents, sizeof(char *), GFP_KERNEL); 313 if (!parent_names) 314 goto cleanup; 315 316 of_clk_parent_fill(node, parent_names, init->num_parents); 317 318 init->parent_names = parent_names; 319 320 if (ti_clk_get_reg_addr(node, 0, &dd->control_reg)) 321 goto cleanup; 322 323 /* 324 * Special case for OMAP2 DPLL, register order is different due to 325 * missing idlest_reg, also clkhwops is different. Detected from 326 * missing idlest_mask. 327 */ 328 if (!dd->idlest_mask) { 329 if (ti_clk_get_reg_addr(node, 1, &dd->mult_div1_reg)) 330 goto cleanup; 331 #ifdef CONFIG_ARCH_OMAP2 332 clk_hw->ops = &clkhwops_omap2xxx_dpll; 333 omap2xxx_clkt_dpllcore_init(&clk_hw->hw); 334 #endif 335 } else { 336 if (ti_clk_get_reg_addr(node, 1, &dd->idlest_reg)) 337 goto cleanup; 338 339 if (ti_clk_get_reg_addr(node, 2, &dd->mult_div1_reg)) 340 goto cleanup; 341 } 342 343 if (dd->autoidle_mask) { 344 if (ti_clk_get_reg_addr(node, 3, &dd->autoidle_reg)) 345 goto cleanup; 346 } 347 348 if (of_property_read_bool(node, "ti,low-power-stop")) 349 dpll_mode |= 1 << DPLL_LOW_POWER_STOP; 350 351 if (of_property_read_bool(node, "ti,low-power-bypass")) 352 dpll_mode |= 1 << DPLL_LOW_POWER_BYPASS; 353 354 if (of_property_read_bool(node, "ti,lock")) 355 dpll_mode |= 1 << DPLL_LOCKED; 356 357 if (dpll_mode) 358 dd->modes = dpll_mode; 359 360 _register_dpll(&clk_hw->hw, node); 361 return; 362 363 cleanup: 364 kfree(dd); 365 kfree(parent_names); 366 kfree(init); 367 kfree(clk_hw); 368 } 369 370 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 371 defined(CONFIG_SOC_DRA7XX) 372 static void __init of_ti_omap4_dpll_x2_setup(struct device_node *node) 373 { 374 _register_dpll_x2(node, &dpll_x2_ck_ops, &clkhwops_omap4_dpllmx); 375 } 376 CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock", 377 of_ti_omap4_dpll_x2_setup); 378 #endif 379 380 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) 381 static void __init of_ti_am3_dpll_x2_setup(struct device_node *node) 382 { 383 _register_dpll_x2(node, &dpll_x2_ck_ops, NULL); 384 } 385 CLK_OF_DECLARE(ti_am3_dpll_x2_clock, "ti,am3-dpll-x2-clock", 386 of_ti_am3_dpll_x2_setup); 387 #endif 388 389 #ifdef CONFIG_ARCH_OMAP3 390 static void __init of_ti_omap3_dpll_setup(struct device_node *node) 391 { 392 const struct dpll_data dd = { 393 .idlest_mask = 0x1, 394 .enable_mask = 0x7, 395 .autoidle_mask = 0x7, 396 .mult_mask = 0x7ff << 8, 397 .div1_mask = 0x7f, 398 .max_multiplier = 2047, 399 .max_divider = 128, 400 .min_divider = 1, 401 .freqsel_mask = 0xf0, 402 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 403 }; 404 405 if ((of_machine_is_compatible("ti,omap3630") || 406 of_machine_is_compatible("ti,omap36xx")) && 407 !strcmp(node->name, "dpll5_ck")) 408 of_ti_dpll_setup(node, &omap3_dpll5_ck_ops, &dd); 409 else 410 of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd); 411 } 412 CLK_OF_DECLARE(ti_omap3_dpll_clock, "ti,omap3-dpll-clock", 413 of_ti_omap3_dpll_setup); 414 415 static void __init of_ti_omap3_core_dpll_setup(struct device_node *node) 416 { 417 const struct dpll_data dd = { 418 .idlest_mask = 0x1, 419 .enable_mask = 0x7, 420 .autoidle_mask = 0x7, 421 .mult_mask = 0x7ff << 16, 422 .div1_mask = 0x7f << 8, 423 .max_multiplier = 2047, 424 .max_divider = 128, 425 .min_divider = 1, 426 .freqsel_mask = 0xf0, 427 }; 428 429 of_ti_dpll_setup(node, &omap3_dpll_core_ck_ops, &dd); 430 } 431 CLK_OF_DECLARE(ti_omap3_core_dpll_clock, "ti,omap3-dpll-core-clock", 432 of_ti_omap3_core_dpll_setup); 433 434 static void __init of_ti_omap3_per_dpll_setup(struct device_node *node) 435 { 436 const struct dpll_data dd = { 437 .idlest_mask = 0x1 << 1, 438 .enable_mask = 0x7 << 16, 439 .autoidle_mask = 0x7 << 3, 440 .mult_mask = 0x7ff << 8, 441 .div1_mask = 0x7f, 442 .max_multiplier = 2047, 443 .max_divider = 128, 444 .min_divider = 1, 445 .freqsel_mask = 0xf00000, 446 .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), 447 }; 448 449 of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); 450 } 451 CLK_OF_DECLARE(ti_omap3_per_dpll_clock, "ti,omap3-dpll-per-clock", 452 of_ti_omap3_per_dpll_setup); 453 454 static void __init of_ti_omap3_per_jtype_dpll_setup(struct device_node *node) 455 { 456 const struct dpll_data dd = { 457 .idlest_mask = 0x1 << 1, 458 .enable_mask = 0x7 << 16, 459 .autoidle_mask = 0x7 << 3, 460 .mult_mask = 0xfff << 8, 461 .div1_mask = 0x7f, 462 .max_multiplier = 4095, 463 .max_divider = 128, 464 .min_divider = 1, 465 .sddiv_mask = 0xff << 24, 466 .dco_mask = 0xe << 20, 467 .flags = DPLL_J_TYPE, 468 .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), 469 }; 470 471 of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); 472 } 473 CLK_OF_DECLARE(ti_omap3_per_jtype_dpll_clock, "ti,omap3-dpll-per-j-type-clock", 474 of_ti_omap3_per_jtype_dpll_setup); 475 #endif 476 477 static void __init of_ti_omap4_dpll_setup(struct device_node *node) 478 { 479 const struct dpll_data dd = { 480 .idlest_mask = 0x1, 481 .enable_mask = 0x7, 482 .autoidle_mask = 0x7, 483 .mult_mask = 0x7ff << 8, 484 .div1_mask = 0x7f, 485 .max_multiplier = 2047, 486 .max_divider = 128, 487 .min_divider = 1, 488 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 489 }; 490 491 of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 492 } 493 CLK_OF_DECLARE(ti_omap4_dpll_clock, "ti,omap4-dpll-clock", 494 of_ti_omap4_dpll_setup); 495 496 static void __init of_ti_omap5_mpu_dpll_setup(struct device_node *node) 497 { 498 const struct dpll_data dd = { 499 .idlest_mask = 0x1, 500 .enable_mask = 0x7, 501 .autoidle_mask = 0x7, 502 .mult_mask = 0x7ff << 8, 503 .div1_mask = 0x7f, 504 .max_multiplier = 2047, 505 .max_divider = 128, 506 .dcc_mask = BIT(22), 507 .dcc_rate = 1400000000, /* DCC beyond 1.4GHz */ 508 .min_divider = 1, 509 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 510 }; 511 512 of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 513 } 514 CLK_OF_DECLARE(of_ti_omap5_mpu_dpll_clock, "ti,omap5-mpu-dpll-clock", 515 of_ti_omap5_mpu_dpll_setup); 516 517 static void __init of_ti_omap4_core_dpll_setup(struct device_node *node) 518 { 519 const struct dpll_data dd = { 520 .idlest_mask = 0x1, 521 .enable_mask = 0x7, 522 .autoidle_mask = 0x7, 523 .mult_mask = 0x7ff << 8, 524 .div1_mask = 0x7f, 525 .max_multiplier = 2047, 526 .max_divider = 128, 527 .min_divider = 1, 528 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 529 }; 530 531 of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); 532 } 533 CLK_OF_DECLARE(ti_omap4_core_dpll_clock, "ti,omap4-dpll-core-clock", 534 of_ti_omap4_core_dpll_setup); 535 536 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 537 defined(CONFIG_SOC_DRA7XX) 538 static void __init of_ti_omap4_m4xen_dpll_setup(struct device_node *node) 539 { 540 const struct dpll_data dd = { 541 .idlest_mask = 0x1, 542 .enable_mask = 0x7, 543 .autoidle_mask = 0x7, 544 .mult_mask = 0x7ff << 8, 545 .div1_mask = 0x7f, 546 .max_multiplier = 2047, 547 .max_divider = 128, 548 .min_divider = 1, 549 .m4xen_mask = 0x800, 550 .lpmode_mask = 1 << 10, 551 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 552 }; 553 554 of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); 555 } 556 CLK_OF_DECLARE(ti_omap4_m4xen_dpll_clock, "ti,omap4-dpll-m4xen-clock", 557 of_ti_omap4_m4xen_dpll_setup); 558 559 static void __init of_ti_omap4_jtype_dpll_setup(struct device_node *node) 560 { 561 const struct dpll_data dd = { 562 .idlest_mask = 0x1, 563 .enable_mask = 0x7, 564 .autoidle_mask = 0x7, 565 .mult_mask = 0xfff << 8, 566 .div1_mask = 0xff, 567 .max_multiplier = 4095, 568 .max_divider = 256, 569 .min_divider = 1, 570 .sddiv_mask = 0xff << 24, 571 .flags = DPLL_J_TYPE, 572 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 573 }; 574 575 of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); 576 } 577 CLK_OF_DECLARE(ti_omap4_jtype_dpll_clock, "ti,omap4-dpll-j-type-clock", 578 of_ti_omap4_jtype_dpll_setup); 579 #endif 580 581 static void __init of_ti_am3_no_gate_dpll_setup(struct device_node *node) 582 { 583 const struct dpll_data dd = { 584 .idlest_mask = 0x1, 585 .enable_mask = 0x7, 586 .mult_mask = 0x7ff << 8, 587 .div1_mask = 0x7f, 588 .max_multiplier = 2047, 589 .max_divider = 128, 590 .min_divider = 1, 591 .max_rate = 1000000000, 592 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 593 }; 594 595 of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); 596 } 597 CLK_OF_DECLARE(ti_am3_no_gate_dpll_clock, "ti,am3-dpll-no-gate-clock", 598 of_ti_am3_no_gate_dpll_setup); 599 600 static void __init of_ti_am3_jtype_dpll_setup(struct device_node *node) 601 { 602 const struct dpll_data dd = { 603 .idlest_mask = 0x1, 604 .enable_mask = 0x7, 605 .mult_mask = 0x7ff << 8, 606 .div1_mask = 0x7f, 607 .max_multiplier = 4095, 608 .max_divider = 256, 609 .min_divider = 2, 610 .flags = DPLL_J_TYPE, 611 .max_rate = 2000000000, 612 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 613 }; 614 615 of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 616 } 617 CLK_OF_DECLARE(ti_am3_jtype_dpll_clock, "ti,am3-dpll-j-type-clock", 618 of_ti_am3_jtype_dpll_setup); 619 620 static void __init of_ti_am3_no_gate_jtype_dpll_setup(struct device_node *node) 621 { 622 const struct dpll_data dd = { 623 .idlest_mask = 0x1, 624 .enable_mask = 0x7, 625 .mult_mask = 0x7ff << 8, 626 .div1_mask = 0x7f, 627 .max_multiplier = 2047, 628 .max_divider = 128, 629 .min_divider = 1, 630 .max_rate = 2000000000, 631 .flags = DPLL_J_TYPE, 632 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 633 }; 634 635 of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); 636 } 637 CLK_OF_DECLARE(ti_am3_no_gate_jtype_dpll_clock, 638 "ti,am3-dpll-no-gate-j-type-clock", 639 of_ti_am3_no_gate_jtype_dpll_setup); 640 641 static void __init of_ti_am3_dpll_setup(struct device_node *node) 642 { 643 const struct dpll_data dd = { 644 .idlest_mask = 0x1, 645 .enable_mask = 0x7, 646 .mult_mask = 0x7ff << 8, 647 .div1_mask = 0x7f, 648 .max_multiplier = 2047, 649 .max_divider = 128, 650 .min_divider = 1, 651 .max_rate = 1000000000, 652 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 653 }; 654 655 of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 656 } 657 CLK_OF_DECLARE(ti_am3_dpll_clock, "ti,am3-dpll-clock", of_ti_am3_dpll_setup); 658 659 static void __init of_ti_am3_core_dpll_setup(struct device_node *node) 660 { 661 const struct dpll_data dd = { 662 .idlest_mask = 0x1, 663 .enable_mask = 0x7, 664 .mult_mask = 0x7ff << 8, 665 .div1_mask = 0x7f, 666 .max_multiplier = 2047, 667 .max_divider = 128, 668 .min_divider = 1, 669 .max_rate = 1000000000, 670 .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 671 }; 672 673 of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); 674 } 675 CLK_OF_DECLARE(ti_am3_core_dpll_clock, "ti,am3-dpll-core-clock", 676 of_ti_am3_core_dpll_setup); 677 678 static void __init of_ti_omap2_core_dpll_setup(struct device_node *node) 679 { 680 const struct dpll_data dd = { 681 .enable_mask = 0x3, 682 .mult_mask = 0x3ff << 12, 683 .div1_mask = 0xf << 8, 684 .max_divider = 16, 685 .min_divider = 1, 686 }; 687 688 of_ti_dpll_setup(node, &omap2_dpll_core_ck_ops, &dd); 689 } 690 CLK_OF_DECLARE(ti_omap2_core_dpll_clock, "ti,omap2-dpll-core-clock", 691 of_ti_omap2_core_dpll_setup); 692