rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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(struct clk_hw *hw, |
| 156 | struct device_node *node) |
| 157 | { |
| 158 | struct clk_hw_omap *clk_hw = to_clk_hw_omap(hw); |
| 159 | struct dpll_data *dd = clk_hw->dpll_data; |
| 160 | struct clk *clk; |
| 161 | |
| 162 | clk = of_clk_get(node, 0); |
| 163 | if (IS_ERR(clk)) { |
| 164 | pr_debug("clk-ref missing for %s, retry later\n", |
| 165 | node->name); |
| 166 | if (!ti_clk_retry_init(node, hw, _register_dpll)) |
| 167 | return; |
| 168 | |
| 169 | goto cleanup; |
| 170 | } |
| 171 | |
| 172 | dd->clk_ref = __clk_get_hw(clk); |
| 173 | |
| 174 | clk = of_clk_get(node, 1); |
| 175 | |
| 176 | if (IS_ERR(clk)) { |
| 177 | pr_debug("clk-bypass missing for %s, retry later\n", |
| 178 | node->name); |
| 179 | if (!ti_clk_retry_init(node, hw, _register_dpll)) |
| 180 | return; |
| 181 | |
| 182 | goto cleanup; |
| 183 | } |
| 184 | |
| 185 | dd->clk_bypass = __clk_get_hw(clk); |
| 186 | |
| 187 | /* register the clock */ |
| 188 | clk = ti_clk_register(NULL, &clk_hw->hw, node->name); |
| 189 | |
| 190 | if (!IS_ERR(clk)) { |
| 191 | omap2_init_clk_hw_omap_clocks(&clk_hw->hw); |
| 192 | of_clk_add_provider(node, of_clk_src_simple_get, clk); |
| 193 | kfree(clk_hw->hw.init->parent_names); |
| 194 | kfree(clk_hw->hw.init); |
| 195 | return; |
| 196 | } |
| 197 | |
| 198 | cleanup: |
| 199 | kfree(clk_hw->dpll_data); |
| 200 | kfree(clk_hw->hw.init->parent_names); |
| 201 | kfree(clk_hw->hw.init); |
| 202 | kfree(clk_hw); |
| 203 | } |
| 204 | |
| 205 | #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_ATAGS) |
| 206 | void _get_reg(u8 module, u16 offset, struct clk_omap_reg *reg) |
| 207 | { |
| 208 | reg->index = module; |
| 209 | reg->offset = offset; |
| 210 | } |
| 211 | |
| 212 | struct clk *ti_clk_register_dpll(struct ti_clk *setup) |
| 213 | { |
| 214 | struct clk_hw_omap *clk_hw; |
| 215 | struct clk_init_data init = { NULL }; |
| 216 | struct dpll_data *dd; |
| 217 | struct clk *clk; |
| 218 | struct ti_clk_dpll *dpll; |
| 219 | const struct clk_ops *ops = &omap3_dpll_ck_ops; |
| 220 | struct clk *clk_ref; |
| 221 | struct clk *clk_bypass; |
| 222 | |
| 223 | dpll = setup->data; |
| 224 | |
| 225 | if (dpll->num_parents < 2) |
| 226 | return ERR_PTR(-EINVAL); |
| 227 | |
| 228 | clk_ref = clk_get_sys(NULL, dpll->parents[0]); |
| 229 | clk_bypass = clk_get_sys(NULL, dpll->parents[1]); |
| 230 | |
| 231 | if (IS_ERR_OR_NULL(clk_ref) || IS_ERR_OR_NULL(clk_bypass)) |
| 232 | return ERR_PTR(-EAGAIN); |
| 233 | |
| 234 | dd = kzalloc(sizeof(*dd), GFP_KERNEL); |
| 235 | clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); |
| 236 | if (!dd || !clk_hw) { |
| 237 | clk = ERR_PTR(-ENOMEM); |
| 238 | goto cleanup; |
| 239 | } |
| 240 | |
| 241 | clk_hw->dpll_data = dd; |
| 242 | clk_hw->ops = &clkhwops_omap3_dpll; |
| 243 | clk_hw->hw.init = &init; |
| 244 | |
| 245 | init.name = setup->name; |
| 246 | init.ops = ops; |
| 247 | |
| 248 | init.num_parents = dpll->num_parents; |
| 249 | init.parent_names = dpll->parents; |
| 250 | |
| 251 | _get_reg(dpll->module, dpll->control_reg, &dd->control_reg); |
| 252 | _get_reg(dpll->module, dpll->idlest_reg, &dd->idlest_reg); |
| 253 | _get_reg(dpll->module, dpll->mult_div1_reg, &dd->mult_div1_reg); |
| 254 | _get_reg(dpll->module, dpll->autoidle_reg, &dd->autoidle_reg); |
| 255 | |
| 256 | dd->modes = dpll->modes; |
| 257 | dd->div1_mask = dpll->div1_mask; |
| 258 | dd->idlest_mask = dpll->idlest_mask; |
| 259 | dd->mult_mask = dpll->mult_mask; |
| 260 | dd->autoidle_mask = dpll->autoidle_mask; |
| 261 | dd->enable_mask = dpll->enable_mask; |
| 262 | dd->sddiv_mask = dpll->sddiv_mask; |
| 263 | dd->dco_mask = dpll->dco_mask; |
| 264 | dd->max_divider = dpll->max_divider; |
| 265 | dd->min_divider = dpll->min_divider; |
| 266 | dd->max_multiplier = dpll->max_multiplier; |
| 267 | dd->auto_recal_bit = dpll->auto_recal_bit; |
| 268 | dd->recal_en_bit = dpll->recal_en_bit; |
| 269 | dd->recal_st_bit = dpll->recal_st_bit; |
| 270 | |
| 271 | dd->clk_ref = __clk_get_hw(clk_ref); |
| 272 | dd->clk_bypass = __clk_get_hw(clk_bypass); |
| 273 | |
| 274 | if (dpll->flags & CLKF_CORE) |
| 275 | ops = &omap3_dpll_core_ck_ops; |
| 276 | |
| 277 | if (dpll->flags & CLKF_PER) |
| 278 | ops = &omap3_dpll_per_ck_ops; |
| 279 | |
| 280 | if (dpll->flags & CLKF_J_TYPE) |
| 281 | dd->flags |= DPLL_J_TYPE; |
| 282 | |
| 283 | clk = ti_clk_register(NULL, &clk_hw->hw, setup->name); |
| 284 | |
| 285 | if (!IS_ERR(clk)) |
| 286 | return clk; |
| 287 | |
| 288 | cleanup: |
| 289 | kfree(dd); |
| 290 | kfree(clk_hw); |
| 291 | return clk; |
| 292 | } |
| 293 | #endif |
| 294 | |
| 295 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ |
| 296 | defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \ |
| 297 | defined(CONFIG_SOC_AM43XX) |
| 298 | /** |
| 299 | * _register_dpll_x2 - Registers a DPLLx2 clock |
| 300 | * @node: device node for this clock |
| 301 | * @ops: clk_ops for this clock |
| 302 | * @hw_ops: clk_hw_ops for this clock |
| 303 | * |
| 304 | * Initializes a DPLL x 2 clock from device tree data. |
| 305 | */ |
| 306 | static void _register_dpll_x2(struct device_node *node, |
| 307 | const struct clk_ops *ops, |
| 308 | const struct clk_hw_omap_ops *hw_ops) |
| 309 | { |
| 310 | struct clk *clk; |
| 311 | struct clk_init_data init = { NULL }; |
| 312 | struct clk_hw_omap *clk_hw; |
| 313 | const char *name = node->name; |
| 314 | const char *parent_name; |
| 315 | |
| 316 | parent_name = of_clk_get_parent_name(node, 0); |
| 317 | if (!parent_name) { |
| 318 | pr_err("%s must have parent\n", node->name); |
| 319 | return; |
| 320 | } |
| 321 | |
| 322 | clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); |
| 323 | if (!clk_hw) |
| 324 | return; |
| 325 | |
| 326 | clk_hw->ops = hw_ops; |
| 327 | clk_hw->hw.init = &init; |
| 328 | |
| 329 | init.name = name; |
| 330 | init.ops = ops; |
| 331 | init.parent_names = &parent_name; |
| 332 | init.num_parents = 1; |
| 333 | |
| 334 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ |
| 335 | defined(CONFIG_SOC_DRA7XX) |
| 336 | if (hw_ops == &clkhwops_omap4_dpllmx) { |
| 337 | int ret; |
| 338 | |
| 339 | /* Check if register defined, if not, drop hw-ops */ |
| 340 | ret = of_property_count_elems_of_size(node, "reg", 1); |
| 341 | if (ret <= 0) { |
| 342 | clk_hw->ops = NULL; |
| 343 | } else if (ti_clk_get_reg_addr(node, 0, &clk_hw->clksel_reg)) { |
| 344 | kfree(clk_hw); |
| 345 | return; |
| 346 | } |
| 347 | } |
| 348 | #endif |
| 349 | |
| 350 | /* register the clock */ |
| 351 | clk = ti_clk_register(NULL, &clk_hw->hw, name); |
| 352 | |
| 353 | if (IS_ERR(clk)) { |
| 354 | kfree(clk_hw); |
| 355 | } else { |
| 356 | omap2_init_clk_hw_omap_clocks(&clk_hw->hw); |
| 357 | of_clk_add_provider(node, of_clk_src_simple_get, clk); |
| 358 | } |
| 359 | } |
| 360 | #endif |
| 361 | |
| 362 | /** |
| 363 | * of_ti_dpll_setup - Setup function for OMAP DPLL clocks |
| 364 | * @node: device node containing the DPLL info |
| 365 | * @ops: ops for the DPLL |
| 366 | * @ddt: DPLL data template to use |
| 367 | * |
| 368 | * Initializes a DPLL clock from device tree data. |
| 369 | */ |
| 370 | static void __init of_ti_dpll_setup(struct device_node *node, |
| 371 | const struct clk_ops *ops, |
| 372 | const struct dpll_data *ddt) |
| 373 | { |
| 374 | struct clk_hw_omap *clk_hw = NULL; |
| 375 | struct clk_init_data *init = NULL; |
| 376 | const char **parent_names = NULL; |
| 377 | struct dpll_data *dd = NULL; |
| 378 | u8 dpll_mode = 0; |
| 379 | |
| 380 | dd = kzalloc(sizeof(*dd), GFP_KERNEL); |
| 381 | clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); |
| 382 | init = kzalloc(sizeof(*init), GFP_KERNEL); |
| 383 | if (!dd || !clk_hw || !init) |
| 384 | goto cleanup; |
| 385 | |
| 386 | memcpy(dd, ddt, sizeof(*dd)); |
| 387 | |
| 388 | clk_hw->dpll_data = dd; |
| 389 | clk_hw->ops = &clkhwops_omap3_dpll; |
| 390 | clk_hw->hw.init = init; |
| 391 | |
| 392 | init->name = node->name; |
| 393 | init->ops = ops; |
| 394 | |
| 395 | init->num_parents = of_clk_get_parent_count(node); |
| 396 | if (!init->num_parents) { |
| 397 | pr_err("%s must have parent(s)\n", node->name); |
| 398 | goto cleanup; |
| 399 | } |
| 400 | |
| 401 | parent_names = kzalloc(sizeof(char *) * init->num_parents, GFP_KERNEL); |
| 402 | if (!parent_names) |
| 403 | goto cleanup; |
| 404 | |
| 405 | of_clk_parent_fill(node, parent_names, init->num_parents); |
| 406 | |
| 407 | init->parent_names = parent_names; |
| 408 | |
| 409 | if (ti_clk_get_reg_addr(node, 0, &dd->control_reg)) |
| 410 | goto cleanup; |
| 411 | |
| 412 | /* |
| 413 | * Special case for OMAP2 DPLL, register order is different due to |
| 414 | * missing idlest_reg, also clkhwops is different. Detected from |
| 415 | * missing idlest_mask. |
| 416 | */ |
| 417 | if (!dd->idlest_mask) { |
| 418 | if (ti_clk_get_reg_addr(node, 1, &dd->mult_div1_reg)) |
| 419 | goto cleanup; |
| 420 | #ifdef CONFIG_ARCH_OMAP2 |
| 421 | clk_hw->ops = &clkhwops_omap2xxx_dpll; |
| 422 | omap2xxx_clkt_dpllcore_init(&clk_hw->hw); |
| 423 | #endif |
| 424 | } else { |
| 425 | if (ti_clk_get_reg_addr(node, 1, &dd->idlest_reg)) |
| 426 | goto cleanup; |
| 427 | |
| 428 | if (ti_clk_get_reg_addr(node, 2, &dd->mult_div1_reg)) |
| 429 | goto cleanup; |
| 430 | } |
| 431 | |
| 432 | if (dd->autoidle_mask) { |
| 433 | if (ti_clk_get_reg_addr(node, 3, &dd->autoidle_reg)) |
| 434 | goto cleanup; |
| 435 | } |
| 436 | |
| 437 | if (of_property_read_bool(node, "ti,low-power-stop")) |
| 438 | dpll_mode |= 1 << DPLL_LOW_POWER_STOP; |
| 439 | |
| 440 | if (of_property_read_bool(node, "ti,low-power-bypass")) |
| 441 | dpll_mode |= 1 << DPLL_LOW_POWER_BYPASS; |
| 442 | |
| 443 | if (of_property_read_bool(node, "ti,lock")) |
| 444 | dpll_mode |= 1 << DPLL_LOCKED; |
| 445 | |
| 446 | if (dpll_mode) |
| 447 | dd->modes = dpll_mode; |
| 448 | |
| 449 | _register_dpll(&clk_hw->hw, node); |
| 450 | return; |
| 451 | |
| 452 | cleanup: |
| 453 | kfree(dd); |
| 454 | kfree(parent_names); |
| 455 | kfree(init); |
| 456 | kfree(clk_hw); |
| 457 | } |
| 458 | |
| 459 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ |
| 460 | defined(CONFIG_SOC_DRA7XX) |
| 461 | static void __init of_ti_omap4_dpll_x2_setup(struct device_node *node) |
| 462 | { |
| 463 | _register_dpll_x2(node, &dpll_x2_ck_ops, &clkhwops_omap4_dpllmx); |
| 464 | } |
| 465 | CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock", |
| 466 | of_ti_omap4_dpll_x2_setup); |
| 467 | #endif |
| 468 | |
| 469 | #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) |
| 470 | static void __init of_ti_am3_dpll_x2_setup(struct device_node *node) |
| 471 | { |
| 472 | _register_dpll_x2(node, &dpll_x2_ck_ops, NULL); |
| 473 | } |
| 474 | CLK_OF_DECLARE(ti_am3_dpll_x2_clock, "ti,am3-dpll-x2-clock", |
| 475 | of_ti_am3_dpll_x2_setup); |
| 476 | #endif |
| 477 | |
| 478 | #ifdef CONFIG_ARCH_OMAP3 |
| 479 | static void __init of_ti_omap3_dpll_setup(struct device_node *node) |
| 480 | { |
| 481 | const struct dpll_data dd = { |
| 482 | .idlest_mask = 0x1, |
| 483 | .enable_mask = 0x7, |
| 484 | .autoidle_mask = 0x7, |
| 485 | .mult_mask = 0x7ff << 8, |
| 486 | .div1_mask = 0x7f, |
| 487 | .max_multiplier = 2047, |
| 488 | .max_divider = 128, |
| 489 | .min_divider = 1, |
| 490 | .freqsel_mask = 0xf0, |
| 491 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 492 | }; |
| 493 | |
| 494 | if ((of_machine_is_compatible("ti,omap3630") || |
| 495 | of_machine_is_compatible("ti,omap36xx")) && |
| 496 | !strcmp(node->name, "dpll5_ck")) |
| 497 | of_ti_dpll_setup(node, &omap3_dpll5_ck_ops, &dd); |
| 498 | else |
| 499 | of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd); |
| 500 | } |
| 501 | CLK_OF_DECLARE(ti_omap3_dpll_clock, "ti,omap3-dpll-clock", |
| 502 | of_ti_omap3_dpll_setup); |
| 503 | |
| 504 | static void __init of_ti_omap3_core_dpll_setup(struct device_node *node) |
| 505 | { |
| 506 | const struct dpll_data dd = { |
| 507 | .idlest_mask = 0x1, |
| 508 | .enable_mask = 0x7, |
| 509 | .autoidle_mask = 0x7, |
| 510 | .mult_mask = 0x7ff << 16, |
| 511 | .div1_mask = 0x7f << 8, |
| 512 | .max_multiplier = 2047, |
| 513 | .max_divider = 128, |
| 514 | .min_divider = 1, |
| 515 | .freqsel_mask = 0xf0, |
| 516 | }; |
| 517 | |
| 518 | of_ti_dpll_setup(node, &omap3_dpll_core_ck_ops, &dd); |
| 519 | } |
| 520 | CLK_OF_DECLARE(ti_omap3_core_dpll_clock, "ti,omap3-dpll-core-clock", |
| 521 | of_ti_omap3_core_dpll_setup); |
| 522 | |
| 523 | static void __init of_ti_omap3_per_dpll_setup(struct device_node *node) |
| 524 | { |
| 525 | const struct dpll_data dd = { |
| 526 | .idlest_mask = 0x1 << 1, |
| 527 | .enable_mask = 0x7 << 16, |
| 528 | .autoidle_mask = 0x7 << 3, |
| 529 | .mult_mask = 0x7ff << 8, |
| 530 | .div1_mask = 0x7f, |
| 531 | .max_multiplier = 2047, |
| 532 | .max_divider = 128, |
| 533 | .min_divider = 1, |
| 534 | .freqsel_mask = 0xf00000, |
| 535 | .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), |
| 536 | }; |
| 537 | |
| 538 | of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); |
| 539 | } |
| 540 | CLK_OF_DECLARE(ti_omap3_per_dpll_clock, "ti,omap3-dpll-per-clock", |
| 541 | of_ti_omap3_per_dpll_setup); |
| 542 | |
| 543 | static void __init of_ti_omap3_per_jtype_dpll_setup(struct device_node *node) |
| 544 | { |
| 545 | const struct dpll_data dd = { |
| 546 | .idlest_mask = 0x1 << 1, |
| 547 | .enable_mask = 0x7 << 16, |
| 548 | .autoidle_mask = 0x7 << 3, |
| 549 | .mult_mask = 0xfff << 8, |
| 550 | .div1_mask = 0x7f, |
| 551 | .max_multiplier = 4095, |
| 552 | .max_divider = 128, |
| 553 | .min_divider = 1, |
| 554 | .sddiv_mask = 0xff << 24, |
| 555 | .dco_mask = 0xe << 20, |
| 556 | .flags = DPLL_J_TYPE, |
| 557 | .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), |
| 558 | }; |
| 559 | |
| 560 | of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); |
| 561 | } |
| 562 | CLK_OF_DECLARE(ti_omap3_per_jtype_dpll_clock, "ti,omap3-dpll-per-j-type-clock", |
| 563 | of_ti_omap3_per_jtype_dpll_setup); |
| 564 | #endif |
| 565 | |
| 566 | static void __init of_ti_omap4_dpll_setup(struct device_node *node) |
| 567 | { |
| 568 | const struct dpll_data dd = { |
| 569 | .idlest_mask = 0x1, |
| 570 | .enable_mask = 0x7, |
| 571 | .autoidle_mask = 0x7, |
| 572 | .mult_mask = 0x7ff << 8, |
| 573 | .div1_mask = 0x7f, |
| 574 | .max_multiplier = 2047, |
| 575 | .max_divider = 128, |
| 576 | .min_divider = 1, |
| 577 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 578 | }; |
| 579 | |
| 580 | of_ti_dpll_setup(node, &dpll_ck_ops, &dd); |
| 581 | } |
| 582 | CLK_OF_DECLARE(ti_omap4_dpll_clock, "ti,omap4-dpll-clock", |
| 583 | of_ti_omap4_dpll_setup); |
| 584 | |
| 585 | static void __init of_ti_omap5_mpu_dpll_setup(struct device_node *node) |
| 586 | { |
| 587 | const struct dpll_data dd = { |
| 588 | .idlest_mask = 0x1, |
| 589 | .enable_mask = 0x7, |
| 590 | .autoidle_mask = 0x7, |
| 591 | .mult_mask = 0x7ff << 8, |
| 592 | .div1_mask = 0x7f, |
| 593 | .max_multiplier = 2047, |
| 594 | .max_divider = 128, |
| 595 | .dcc_mask = BIT(22), |
| 596 | .dcc_rate = 1400000000, /* DCC beyond 1.4GHz */ |
| 597 | .min_divider = 1, |
| 598 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 599 | }; |
| 600 | |
| 601 | of_ti_dpll_setup(node, &dpll_ck_ops, &dd); |
| 602 | } |
| 603 | CLK_OF_DECLARE(of_ti_omap5_mpu_dpll_clock, "ti,omap5-mpu-dpll-clock", |
| 604 | of_ti_omap5_mpu_dpll_setup); |
| 605 | |
| 606 | static void __init of_ti_omap4_core_dpll_setup(struct device_node *node) |
| 607 | { |
| 608 | const struct dpll_data dd = { |
| 609 | .idlest_mask = 0x1, |
| 610 | .enable_mask = 0x7, |
| 611 | .autoidle_mask = 0x7, |
| 612 | .mult_mask = 0x7ff << 8, |
| 613 | .div1_mask = 0x7f, |
| 614 | .max_multiplier = 2047, |
| 615 | .max_divider = 128, |
| 616 | .min_divider = 1, |
| 617 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 618 | }; |
| 619 | |
| 620 | of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); |
| 621 | } |
| 622 | CLK_OF_DECLARE(ti_omap4_core_dpll_clock, "ti,omap4-dpll-core-clock", |
| 623 | of_ti_omap4_core_dpll_setup); |
| 624 | |
| 625 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ |
| 626 | defined(CONFIG_SOC_DRA7XX) |
| 627 | static void __init of_ti_omap4_m4xen_dpll_setup(struct device_node *node) |
| 628 | { |
| 629 | const struct dpll_data dd = { |
| 630 | .idlest_mask = 0x1, |
| 631 | .enable_mask = 0x7, |
| 632 | .autoidle_mask = 0x7, |
| 633 | .mult_mask = 0x7ff << 8, |
| 634 | .div1_mask = 0x7f, |
| 635 | .max_multiplier = 2047, |
| 636 | .max_divider = 128, |
| 637 | .min_divider = 1, |
| 638 | .m4xen_mask = 0x800, |
| 639 | .lpmode_mask = 1 << 10, |
| 640 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 641 | }; |
| 642 | |
| 643 | of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); |
| 644 | } |
| 645 | CLK_OF_DECLARE(ti_omap4_m4xen_dpll_clock, "ti,omap4-dpll-m4xen-clock", |
| 646 | of_ti_omap4_m4xen_dpll_setup); |
| 647 | |
| 648 | static void __init of_ti_omap4_jtype_dpll_setup(struct device_node *node) |
| 649 | { |
| 650 | const struct dpll_data dd = { |
| 651 | .idlest_mask = 0x1, |
| 652 | .enable_mask = 0x7, |
| 653 | .autoidle_mask = 0x7, |
| 654 | .mult_mask = 0xfff << 8, |
| 655 | .div1_mask = 0xff, |
| 656 | .max_multiplier = 4095, |
| 657 | .max_divider = 256, |
| 658 | .min_divider = 1, |
| 659 | .sddiv_mask = 0xff << 24, |
| 660 | .flags = DPLL_J_TYPE, |
| 661 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 662 | }; |
| 663 | |
| 664 | of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); |
| 665 | } |
| 666 | CLK_OF_DECLARE(ti_omap4_jtype_dpll_clock, "ti,omap4-dpll-j-type-clock", |
| 667 | of_ti_omap4_jtype_dpll_setup); |
| 668 | #endif |
| 669 | |
| 670 | static void __init of_ti_am3_no_gate_dpll_setup(struct device_node *node) |
| 671 | { |
| 672 | const struct dpll_data dd = { |
| 673 | .idlest_mask = 0x1, |
| 674 | .enable_mask = 0x7, |
| 675 | .mult_mask = 0x7ff << 8, |
| 676 | .div1_mask = 0x7f, |
| 677 | .max_multiplier = 2047, |
| 678 | .max_divider = 128, |
| 679 | .min_divider = 1, |
| 680 | .max_rate = 1000000000, |
| 681 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 682 | }; |
| 683 | |
| 684 | of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); |
| 685 | } |
| 686 | CLK_OF_DECLARE(ti_am3_no_gate_dpll_clock, "ti,am3-dpll-no-gate-clock", |
| 687 | of_ti_am3_no_gate_dpll_setup); |
| 688 | |
| 689 | static void __init of_ti_am3_jtype_dpll_setup(struct device_node *node) |
| 690 | { |
| 691 | const struct dpll_data dd = { |
| 692 | .idlest_mask = 0x1, |
| 693 | .enable_mask = 0x7, |
| 694 | .mult_mask = 0x7ff << 8, |
| 695 | .div1_mask = 0x7f, |
| 696 | .max_multiplier = 4095, |
| 697 | .max_divider = 256, |
| 698 | .min_divider = 2, |
| 699 | .flags = DPLL_J_TYPE, |
| 700 | .max_rate = 2000000000, |
| 701 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 702 | }; |
| 703 | |
| 704 | of_ti_dpll_setup(node, &dpll_ck_ops, &dd); |
| 705 | } |
| 706 | CLK_OF_DECLARE(ti_am3_jtype_dpll_clock, "ti,am3-dpll-j-type-clock", |
| 707 | of_ti_am3_jtype_dpll_setup); |
| 708 | |
| 709 | static void __init of_ti_am3_no_gate_jtype_dpll_setup(struct device_node *node) |
| 710 | { |
| 711 | const struct dpll_data dd = { |
| 712 | .idlest_mask = 0x1, |
| 713 | .enable_mask = 0x7, |
| 714 | .mult_mask = 0x7ff << 8, |
| 715 | .div1_mask = 0x7f, |
| 716 | .max_multiplier = 2047, |
| 717 | .max_divider = 128, |
| 718 | .min_divider = 1, |
| 719 | .max_rate = 2000000000, |
| 720 | .flags = DPLL_J_TYPE, |
| 721 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 722 | }; |
| 723 | |
| 724 | of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); |
| 725 | } |
| 726 | CLK_OF_DECLARE(ti_am3_no_gate_jtype_dpll_clock, |
| 727 | "ti,am3-dpll-no-gate-j-type-clock", |
| 728 | of_ti_am3_no_gate_jtype_dpll_setup); |
| 729 | |
| 730 | static void __init of_ti_am3_dpll_setup(struct device_node *node) |
| 731 | { |
| 732 | const struct dpll_data dd = { |
| 733 | .idlest_mask = 0x1, |
| 734 | .enable_mask = 0x7, |
| 735 | .mult_mask = 0x7ff << 8, |
| 736 | .div1_mask = 0x7f, |
| 737 | .max_multiplier = 2047, |
| 738 | .max_divider = 128, |
| 739 | .min_divider = 1, |
| 740 | .max_rate = 1000000000, |
| 741 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 742 | }; |
| 743 | |
| 744 | of_ti_dpll_setup(node, &dpll_ck_ops, &dd); |
| 745 | } |
| 746 | CLK_OF_DECLARE(ti_am3_dpll_clock, "ti,am3-dpll-clock", of_ti_am3_dpll_setup); |
| 747 | |
| 748 | static void __init of_ti_am3_core_dpll_setup(struct device_node *node) |
| 749 | { |
| 750 | const struct dpll_data dd = { |
| 751 | .idlest_mask = 0x1, |
| 752 | .enable_mask = 0x7, |
| 753 | .mult_mask = 0x7ff << 8, |
| 754 | .div1_mask = 0x7f, |
| 755 | .max_multiplier = 2047, |
| 756 | .max_divider = 128, |
| 757 | .min_divider = 1, |
| 758 | .max_rate = 1000000000, |
| 759 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
| 760 | }; |
| 761 | |
| 762 | of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); |
| 763 | } |
| 764 | CLK_OF_DECLARE(ti_am3_core_dpll_clock, "ti,am3-dpll-core-clock", |
| 765 | of_ti_am3_core_dpll_setup); |
| 766 | |
| 767 | static void __init of_ti_omap2_core_dpll_setup(struct device_node *node) |
| 768 | { |
| 769 | const struct dpll_data dd = { |
| 770 | .enable_mask = 0x3, |
| 771 | .mult_mask = 0x3ff << 12, |
| 772 | .div1_mask = 0xf << 8, |
| 773 | .max_divider = 16, |
| 774 | .min_divider = 1, |
| 775 | }; |
| 776 | |
| 777 | of_ti_dpll_setup(node, &omap2_dpll_core_ck_ops, &dd); |
| 778 | } |
| 779 | CLK_OF_DECLARE(ti_omap2_core_dpll_clock, "ti,omap2-dpll-core-clock", |
| 780 | of_ti_omap2_core_dpll_setup); |