1 /* 2 * Copyright (c) 2012, 2013, NVIDIA CORPORATION. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 17 #include <linux/io.h> 18 #include <linux/clk-provider.h> 19 #include <linux/of.h> 20 #include <linux/of_address.h> 21 #include <linux/delay.h> 22 #include <linux/export.h> 23 #include <linux/clk/tegra.h> 24 #include <dt-bindings/clock/tegra114-car.h> 25 26 #include "clk.h" 27 #include "clk-id.h" 28 29 #define RST_DFLL_DVCO 0x2F4 30 #define CPU_FINETRIM_SELECT 0x4d4 /* override default prop dlys */ 31 #define CPU_FINETRIM_DR 0x4d8 /* rise->rise prop dly A */ 32 #define CPU_FINETRIM_R 0x4e4 /* rise->rise prop dly inc A */ 33 34 /* RST_DFLL_DVCO bitfields */ 35 #define DVFS_DFLL_RESET_SHIFT 0 36 37 /* CPU_FINETRIM_SELECT and CPU_FINETRIM_DR bitfields */ 38 #define CPU_FINETRIM_1_FCPU_1 BIT(0) /* fcpu0 */ 39 #define CPU_FINETRIM_1_FCPU_2 BIT(1) /* fcpu1 */ 40 #define CPU_FINETRIM_1_FCPU_3 BIT(2) /* fcpu2 */ 41 #define CPU_FINETRIM_1_FCPU_4 BIT(3) /* fcpu3 */ 42 #define CPU_FINETRIM_1_FCPU_5 BIT(4) /* fl2 */ 43 #define CPU_FINETRIM_1_FCPU_6 BIT(5) /* ftop */ 44 45 /* CPU_FINETRIM_R bitfields */ 46 #define CPU_FINETRIM_R_FCPU_1_SHIFT 0 /* fcpu0 */ 47 #define CPU_FINETRIM_R_FCPU_1_MASK (0x3 << CPU_FINETRIM_R_FCPU_1_SHIFT) 48 #define CPU_FINETRIM_R_FCPU_2_SHIFT 2 /* fcpu1 */ 49 #define CPU_FINETRIM_R_FCPU_2_MASK (0x3 << CPU_FINETRIM_R_FCPU_2_SHIFT) 50 #define CPU_FINETRIM_R_FCPU_3_SHIFT 4 /* fcpu2 */ 51 #define CPU_FINETRIM_R_FCPU_3_MASK (0x3 << CPU_FINETRIM_R_FCPU_3_SHIFT) 52 #define CPU_FINETRIM_R_FCPU_4_SHIFT 6 /* fcpu3 */ 53 #define CPU_FINETRIM_R_FCPU_4_MASK (0x3 << CPU_FINETRIM_R_FCPU_4_SHIFT) 54 #define CPU_FINETRIM_R_FCPU_5_SHIFT 8 /* fl2 */ 55 #define CPU_FINETRIM_R_FCPU_5_MASK (0x3 << CPU_FINETRIM_R_FCPU_5_SHIFT) 56 #define CPU_FINETRIM_R_FCPU_6_SHIFT 10 /* ftop */ 57 #define CPU_FINETRIM_R_FCPU_6_MASK (0x3 << CPU_FINETRIM_R_FCPU_6_SHIFT) 58 59 #define TEGRA114_CLK_PERIPH_BANKS 5 60 61 #define PLLC_BASE 0x80 62 #define PLLC_MISC2 0x88 63 #define PLLC_MISC 0x8c 64 #define PLLC2_BASE 0x4e8 65 #define PLLC2_MISC 0x4ec 66 #define PLLC3_BASE 0x4fc 67 #define PLLC3_MISC 0x500 68 #define PLLM_BASE 0x90 69 #define PLLM_MISC 0x9c 70 #define PLLP_BASE 0xa0 71 #define PLLP_MISC 0xac 72 #define PLLX_BASE 0xe0 73 #define PLLX_MISC 0xe4 74 #define PLLX_MISC2 0x514 75 #define PLLX_MISC3 0x518 76 #define PLLD_BASE 0xd0 77 #define PLLD_MISC 0xdc 78 #define PLLD2_BASE 0x4b8 79 #define PLLD2_MISC 0x4bc 80 #define PLLE_BASE 0xe8 81 #define PLLE_MISC 0xec 82 #define PLLA_BASE 0xb0 83 #define PLLA_MISC 0xbc 84 #define PLLU_BASE 0xc0 85 #define PLLU_MISC 0xcc 86 #define PLLRE_BASE 0x4c4 87 #define PLLRE_MISC 0x4c8 88 89 #define PLL_MISC_LOCK_ENABLE 18 90 #define PLLC_MISC_LOCK_ENABLE 24 91 #define PLLDU_MISC_LOCK_ENABLE 22 92 #define PLLE_MISC_LOCK_ENABLE 9 93 #define PLLRE_MISC_LOCK_ENABLE 30 94 95 #define PLLC_IDDQ_BIT 26 96 #define PLLX_IDDQ_BIT 3 97 #define PLLRE_IDDQ_BIT 16 98 99 #define PLL_BASE_LOCK BIT(27) 100 #define PLLE_MISC_LOCK BIT(11) 101 #define PLLRE_MISC_LOCK BIT(24) 102 #define PLLCX_BASE_LOCK (BIT(26)|BIT(27)) 103 104 #define PLLE_AUX 0x48c 105 #define PLLC_OUT 0x84 106 #define PLLM_OUT 0x94 107 108 #define OSC_CTRL 0x50 109 #define OSC_CTRL_OSC_FREQ_SHIFT 28 110 #define OSC_CTRL_PLL_REF_DIV_SHIFT 26 111 112 #define PLLXC_SW_MAX_P 6 113 114 #define CCLKG_BURST_POLICY 0x368 115 116 #define UTMIP_PLL_CFG2 0x488 117 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6) 118 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) 119 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) 120 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) 121 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) 122 123 #define UTMIP_PLL_CFG1 0x484 124 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6) 125 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) 126 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17) 127 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) 128 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15) 129 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) 130 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) 131 132 #define UTMIPLL_HW_PWRDN_CFG0 0x52c 133 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25) 134 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 135 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 136 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5) 137 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4) 138 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 139 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1) 140 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0) 141 142 #define CLK_SOURCE_CSITE 0x1d4 143 #define CLK_SOURCE_EMC 0x19c 144 145 /* PLLM override registers */ 146 #define PMC_PLLM_WB0_OVERRIDE 0x1dc 147 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0 148 149 /* Tegra CPU clock and reset control regs */ 150 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 151 152 #define MUX8(_name, _parents, _offset, \ 153 _clk_num, _gate_flags, _clk_id) \ 154 TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ 155 29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,\ 156 _clk_num, _gate_flags, _clk_id, _parents##_idx, 0,\ 157 NULL) 158 159 #ifdef CONFIG_PM_SLEEP 160 static struct cpu_clk_suspend_context { 161 u32 clk_csite_src; 162 u32 cclkg_burst; 163 u32 cclkg_divider; 164 } tegra114_cpu_clk_sctx; 165 #endif 166 167 static void __iomem *clk_base; 168 static void __iomem *pmc_base; 169 170 static DEFINE_SPINLOCK(pll_d_lock); 171 static DEFINE_SPINLOCK(pll_d2_lock); 172 static DEFINE_SPINLOCK(pll_u_lock); 173 static DEFINE_SPINLOCK(pll_re_lock); 174 static DEFINE_SPINLOCK(emc_lock); 175 176 static struct div_nmp pllxc_nmp = { 177 .divm_shift = 0, 178 .divm_width = 8, 179 .divn_shift = 8, 180 .divn_width = 8, 181 .divp_shift = 20, 182 .divp_width = 4, 183 }; 184 185 static struct pdiv_map pllxc_p[] = { 186 { .pdiv = 1, .hw_val = 0 }, 187 { .pdiv = 2, .hw_val = 1 }, 188 { .pdiv = 3, .hw_val = 2 }, 189 { .pdiv = 4, .hw_val = 3 }, 190 { .pdiv = 5, .hw_val = 4 }, 191 { .pdiv = 6, .hw_val = 5 }, 192 { .pdiv = 8, .hw_val = 6 }, 193 { .pdiv = 10, .hw_val = 7 }, 194 { .pdiv = 12, .hw_val = 8 }, 195 { .pdiv = 16, .hw_val = 9 }, 196 { .pdiv = 12, .hw_val = 10 }, 197 { .pdiv = 16, .hw_val = 11 }, 198 { .pdiv = 20, .hw_val = 12 }, 199 { .pdiv = 24, .hw_val = 13 }, 200 { .pdiv = 32, .hw_val = 14 }, 201 { .pdiv = 0, .hw_val = 0 }, 202 }; 203 204 static struct tegra_clk_pll_freq_table pll_c_freq_table[] = { 205 { 12000000, 624000000, 104, 0, 2}, 206 { 12000000, 600000000, 100, 0, 2}, 207 { 13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */ 208 { 16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */ 209 { 19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */ 210 { 26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */ 211 { 0, 0, 0, 0, 0, 0 }, 212 }; 213 214 static struct tegra_clk_pll_params pll_c_params = { 215 .input_min = 12000000, 216 .input_max = 800000000, 217 .cf_min = 12000000, 218 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */ 219 .vco_min = 600000000, 220 .vco_max = 1400000000, 221 .base_reg = PLLC_BASE, 222 .misc_reg = PLLC_MISC, 223 .lock_mask = PLL_BASE_LOCK, 224 .lock_enable_bit_idx = PLLC_MISC_LOCK_ENABLE, 225 .lock_delay = 300, 226 .iddq_reg = PLLC_MISC, 227 .iddq_bit_idx = PLLC_IDDQ_BIT, 228 .max_p = PLLXC_SW_MAX_P, 229 .dyn_ramp_reg = PLLC_MISC2, 230 .stepa_shift = 17, 231 .stepb_shift = 9, 232 .pdiv_tohw = pllxc_p, 233 .div_nmp = &pllxc_nmp, 234 .freq_table = pll_c_freq_table, 235 .flags = TEGRA_PLL_USE_LOCK, 236 }; 237 238 static struct div_nmp pllcx_nmp = { 239 .divm_shift = 0, 240 .divm_width = 2, 241 .divn_shift = 8, 242 .divn_width = 8, 243 .divp_shift = 20, 244 .divp_width = 3, 245 }; 246 247 static struct pdiv_map pllc_p[] = { 248 { .pdiv = 1, .hw_val = 0 }, 249 { .pdiv = 2, .hw_val = 1 }, 250 { .pdiv = 4, .hw_val = 3 }, 251 { .pdiv = 8, .hw_val = 5 }, 252 { .pdiv = 16, .hw_val = 7 }, 253 { .pdiv = 0, .hw_val = 0 }, 254 }; 255 256 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { 257 {12000000, 600000000, 100, 0, 2}, 258 {13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */ 259 {16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */ 260 {19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */ 261 {26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */ 262 {0, 0, 0, 0, 0, 0}, 263 }; 264 265 static struct tegra_clk_pll_params pll_c2_params = { 266 .input_min = 12000000, 267 .input_max = 48000000, 268 .cf_min = 12000000, 269 .cf_max = 19200000, 270 .vco_min = 600000000, 271 .vco_max = 1200000000, 272 .base_reg = PLLC2_BASE, 273 .misc_reg = PLLC2_MISC, 274 .lock_mask = PLL_BASE_LOCK, 275 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 276 .lock_delay = 300, 277 .pdiv_tohw = pllc_p, 278 .div_nmp = &pllcx_nmp, 279 .max_p = 7, 280 .ext_misc_reg[0] = 0x4f0, 281 .ext_misc_reg[1] = 0x4f4, 282 .ext_misc_reg[2] = 0x4f8, 283 .freq_table = pll_cx_freq_table, 284 .flags = TEGRA_PLL_USE_LOCK, 285 }; 286 287 static struct tegra_clk_pll_params pll_c3_params = { 288 .input_min = 12000000, 289 .input_max = 48000000, 290 .cf_min = 12000000, 291 .cf_max = 19200000, 292 .vco_min = 600000000, 293 .vco_max = 1200000000, 294 .base_reg = PLLC3_BASE, 295 .misc_reg = PLLC3_MISC, 296 .lock_mask = PLL_BASE_LOCK, 297 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 298 .lock_delay = 300, 299 .pdiv_tohw = pllc_p, 300 .div_nmp = &pllcx_nmp, 301 .max_p = 7, 302 .ext_misc_reg[0] = 0x504, 303 .ext_misc_reg[1] = 0x508, 304 .ext_misc_reg[2] = 0x50c, 305 .freq_table = pll_cx_freq_table, 306 .flags = TEGRA_PLL_USE_LOCK, 307 }; 308 309 static struct div_nmp pllm_nmp = { 310 .divm_shift = 0, 311 .divm_width = 8, 312 .override_divm_shift = 0, 313 .divn_shift = 8, 314 .divn_width = 8, 315 .override_divn_shift = 8, 316 .divp_shift = 20, 317 .divp_width = 1, 318 .override_divp_shift = 27, 319 }; 320 321 static struct pdiv_map pllm_p[] = { 322 { .pdiv = 1, .hw_val = 0 }, 323 { .pdiv = 2, .hw_val = 1 }, 324 { .pdiv = 0, .hw_val = 0 }, 325 }; 326 327 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 328 {12000000, 800000000, 66, 0, 1}, /* actual: 792.0 MHz */ 329 {13000000, 800000000, 61, 0, 1}, /* actual: 793.0 MHz */ 330 {16800000, 800000000, 47, 0, 1}, /* actual: 789.6 MHz */ 331 {19200000, 800000000, 41, 0, 1}, /* actual: 787.2 MHz */ 332 {26000000, 800000000, 61, 1, 1}, /* actual: 793.0 MHz */ 333 {0, 0, 0, 0, 0, 0}, 334 }; 335 336 static struct tegra_clk_pll_params pll_m_params = { 337 .input_min = 12000000, 338 .input_max = 500000000, 339 .cf_min = 12000000, 340 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */ 341 .vco_min = 400000000, 342 .vco_max = 1066000000, 343 .base_reg = PLLM_BASE, 344 .misc_reg = PLLM_MISC, 345 .lock_mask = PLL_BASE_LOCK, 346 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 347 .lock_delay = 300, 348 .max_p = 2, 349 .pdiv_tohw = pllm_p, 350 .div_nmp = &pllm_nmp, 351 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 352 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, 353 .freq_table = pll_m_freq_table, 354 .flags = TEGRA_PLL_USE_LOCK, 355 }; 356 357 static struct div_nmp pllp_nmp = { 358 .divm_shift = 0, 359 .divm_width = 5, 360 .divn_shift = 8, 361 .divn_width = 10, 362 .divp_shift = 20, 363 .divp_width = 3, 364 }; 365 366 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 367 {12000000, 216000000, 432, 12, 1, 8}, 368 {13000000, 216000000, 432, 13, 1, 8}, 369 {16800000, 216000000, 360, 14, 1, 8}, 370 {19200000, 216000000, 360, 16, 1, 8}, 371 {26000000, 216000000, 432, 26, 1, 8}, 372 {0, 0, 0, 0, 0, 0}, 373 }; 374 375 static struct tegra_clk_pll_params pll_p_params = { 376 .input_min = 2000000, 377 .input_max = 31000000, 378 .cf_min = 1000000, 379 .cf_max = 6000000, 380 .vco_min = 200000000, 381 .vco_max = 700000000, 382 .base_reg = PLLP_BASE, 383 .misc_reg = PLLP_MISC, 384 .lock_mask = PLL_BASE_LOCK, 385 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 386 .lock_delay = 300, 387 .div_nmp = &pllp_nmp, 388 .freq_table = pll_p_freq_table, 389 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK, 390 .fixed_rate = 408000000, 391 }; 392 393 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 394 {9600000, 282240000, 147, 5, 0, 4}, 395 {9600000, 368640000, 192, 5, 0, 4}, 396 {9600000, 240000000, 200, 8, 0, 8}, 397 398 {28800000, 282240000, 245, 25, 0, 8}, 399 {28800000, 368640000, 320, 25, 0, 8}, 400 {28800000, 240000000, 200, 24, 0, 8}, 401 {0, 0, 0, 0, 0, 0}, 402 }; 403 404 405 static struct tegra_clk_pll_params pll_a_params = { 406 .input_min = 2000000, 407 .input_max = 31000000, 408 .cf_min = 1000000, 409 .cf_max = 6000000, 410 .vco_min = 200000000, 411 .vco_max = 700000000, 412 .base_reg = PLLA_BASE, 413 .misc_reg = PLLA_MISC, 414 .lock_mask = PLL_BASE_LOCK, 415 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 416 .lock_delay = 300, 417 .div_nmp = &pllp_nmp, 418 .freq_table = pll_a_freq_table, 419 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK, 420 }; 421 422 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 423 {12000000, 216000000, 864, 12, 2, 12}, 424 {13000000, 216000000, 864, 13, 2, 12}, 425 {16800000, 216000000, 720, 14, 2, 12}, 426 {19200000, 216000000, 720, 16, 2, 12}, 427 {26000000, 216000000, 864, 26, 2, 12}, 428 429 {12000000, 594000000, 594, 12, 0, 12}, 430 {13000000, 594000000, 594, 13, 0, 12}, 431 {16800000, 594000000, 495, 14, 0, 12}, 432 {19200000, 594000000, 495, 16, 0, 12}, 433 {26000000, 594000000, 594, 26, 0, 12}, 434 435 {12000000, 1000000000, 1000, 12, 0, 12}, 436 {13000000, 1000000000, 1000, 13, 0, 12}, 437 {19200000, 1000000000, 625, 12, 0, 12}, 438 {26000000, 1000000000, 1000, 26, 0, 12}, 439 440 {0, 0, 0, 0, 0, 0}, 441 }; 442 443 static struct tegra_clk_pll_params pll_d_params = { 444 .input_min = 2000000, 445 .input_max = 40000000, 446 .cf_min = 1000000, 447 .cf_max = 6000000, 448 .vco_min = 500000000, 449 .vco_max = 1000000000, 450 .base_reg = PLLD_BASE, 451 .misc_reg = PLLD_MISC, 452 .lock_mask = PLL_BASE_LOCK, 453 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 454 .lock_delay = 1000, 455 .div_nmp = &pllp_nmp, 456 .freq_table = pll_d_freq_table, 457 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 458 TEGRA_PLL_USE_LOCK, 459 }; 460 461 static struct tegra_clk_pll_params pll_d2_params = { 462 .input_min = 2000000, 463 .input_max = 40000000, 464 .cf_min = 1000000, 465 .cf_max = 6000000, 466 .vco_min = 500000000, 467 .vco_max = 1000000000, 468 .base_reg = PLLD2_BASE, 469 .misc_reg = PLLD2_MISC, 470 .lock_mask = PLL_BASE_LOCK, 471 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 472 .lock_delay = 1000, 473 .div_nmp = &pllp_nmp, 474 .freq_table = pll_d_freq_table, 475 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 476 TEGRA_PLL_USE_LOCK, 477 }; 478 479 static struct pdiv_map pllu_p[] = { 480 { .pdiv = 1, .hw_val = 1 }, 481 { .pdiv = 2, .hw_val = 0 }, 482 { .pdiv = 0, .hw_val = 0 }, 483 }; 484 485 static struct div_nmp pllu_nmp = { 486 .divm_shift = 0, 487 .divm_width = 5, 488 .divn_shift = 8, 489 .divn_width = 10, 490 .divp_shift = 20, 491 .divp_width = 1, 492 }; 493 494 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 495 {12000000, 480000000, 960, 12, 0, 12}, 496 {13000000, 480000000, 960, 13, 0, 12}, 497 {16800000, 480000000, 400, 7, 0, 5}, 498 {19200000, 480000000, 200, 4, 0, 3}, 499 {26000000, 480000000, 960, 26, 0, 12}, 500 {0, 0, 0, 0, 0, 0}, 501 }; 502 503 static struct tegra_clk_pll_params pll_u_params = { 504 .input_min = 2000000, 505 .input_max = 40000000, 506 .cf_min = 1000000, 507 .cf_max = 6000000, 508 .vco_min = 480000000, 509 .vco_max = 960000000, 510 .base_reg = PLLU_BASE, 511 .misc_reg = PLLU_MISC, 512 .lock_mask = PLL_BASE_LOCK, 513 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 514 .lock_delay = 1000, 515 .pdiv_tohw = pllu_p, 516 .div_nmp = &pllu_nmp, 517 .freq_table = pll_u_freq_table, 518 .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 519 TEGRA_PLL_USE_LOCK, 520 }; 521 522 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 523 /* 1 GHz */ 524 {12000000, 1000000000, 83, 0, 1}, /* actual: 996.0 MHz */ 525 {13000000, 1000000000, 76, 0, 1}, /* actual: 988.0 MHz */ 526 {16800000, 1000000000, 59, 0, 1}, /* actual: 991.2 MHz */ 527 {19200000, 1000000000, 52, 0, 1}, /* actual: 998.4 MHz */ 528 {26000000, 1000000000, 76, 1, 1}, /* actual: 988.0 MHz */ 529 530 {0, 0, 0, 0, 0, 0}, 531 }; 532 533 static struct tegra_clk_pll_params pll_x_params = { 534 .input_min = 12000000, 535 .input_max = 800000000, 536 .cf_min = 12000000, 537 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */ 538 .vco_min = 700000000, 539 .vco_max = 2400000000U, 540 .base_reg = PLLX_BASE, 541 .misc_reg = PLLX_MISC, 542 .lock_mask = PLL_BASE_LOCK, 543 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 544 .lock_delay = 300, 545 .iddq_reg = PLLX_MISC3, 546 .iddq_bit_idx = PLLX_IDDQ_BIT, 547 .max_p = PLLXC_SW_MAX_P, 548 .dyn_ramp_reg = PLLX_MISC2, 549 .stepa_shift = 16, 550 .stepb_shift = 24, 551 .pdiv_tohw = pllxc_p, 552 .div_nmp = &pllxc_nmp, 553 .freq_table = pll_x_freq_table, 554 .flags = TEGRA_PLL_USE_LOCK, 555 }; 556 557 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 558 /* PLLE special case: use cpcon field to store cml divider value */ 559 {336000000, 100000000, 100, 21, 16, 11}, 560 {312000000, 100000000, 200, 26, 24, 13}, 561 {12000000, 100000000, 200, 1, 24, 13}, 562 {0, 0, 0, 0, 0, 0}, 563 }; 564 565 static struct div_nmp plle_nmp = { 566 .divm_shift = 0, 567 .divm_width = 8, 568 .divn_shift = 8, 569 .divn_width = 8, 570 .divp_shift = 24, 571 .divp_width = 4, 572 }; 573 574 static struct tegra_clk_pll_params pll_e_params = { 575 .input_min = 12000000, 576 .input_max = 1000000000, 577 .cf_min = 12000000, 578 .cf_max = 75000000, 579 .vco_min = 1600000000, 580 .vco_max = 2400000000U, 581 .base_reg = PLLE_BASE, 582 .misc_reg = PLLE_MISC, 583 .aux_reg = PLLE_AUX, 584 .lock_mask = PLLE_MISC_LOCK, 585 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 586 .lock_delay = 300, 587 .div_nmp = &plle_nmp, 588 .freq_table = pll_e_freq_table, 589 .flags = TEGRA_PLL_FIXED, 590 .fixed_rate = 100000000, 591 }; 592 593 static struct div_nmp pllre_nmp = { 594 .divm_shift = 0, 595 .divm_width = 8, 596 .divn_shift = 8, 597 .divn_width = 8, 598 .divp_shift = 16, 599 .divp_width = 4, 600 }; 601 602 static struct tegra_clk_pll_params pll_re_vco_params = { 603 .input_min = 12000000, 604 .input_max = 1000000000, 605 .cf_min = 12000000, 606 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */ 607 .vco_min = 300000000, 608 .vco_max = 600000000, 609 .base_reg = PLLRE_BASE, 610 .misc_reg = PLLRE_MISC, 611 .lock_mask = PLLRE_MISC_LOCK, 612 .lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE, 613 .lock_delay = 300, 614 .iddq_reg = PLLRE_MISC, 615 .iddq_bit_idx = PLLRE_IDDQ_BIT, 616 .div_nmp = &pllre_nmp, 617 .flags = TEGRA_PLL_USE_LOCK, 618 }; 619 620 /* possible OSC frequencies in Hz */ 621 static unsigned long tegra114_input_freq[] = { 622 [0] = 13000000, 623 [1] = 16800000, 624 [4] = 19200000, 625 [5] = 38400000, 626 [8] = 12000000, 627 [9] = 48000000, 628 [12] = 260000000, 629 }; 630 631 #define MASK(x) (BIT(x) - 1) 632 633 struct utmi_clk_param { 634 /* Oscillator Frequency in KHz */ 635 u32 osc_frequency; 636 /* UTMIP PLL Enable Delay Count */ 637 u8 enable_delay_count; 638 /* UTMIP PLL Stable count */ 639 u8 stable_count; 640 /* UTMIP PLL Active delay count */ 641 u8 active_delay_count; 642 /* UTMIP PLL Xtal frequency count */ 643 u8 xtal_freq_count; 644 }; 645 646 static const struct utmi_clk_param utmi_parameters[] = { 647 {.osc_frequency = 13000000, .enable_delay_count = 0x02, 648 .stable_count = 0x33, .active_delay_count = 0x05, 649 .xtal_freq_count = 0x7F}, 650 {.osc_frequency = 19200000, .enable_delay_count = 0x03, 651 .stable_count = 0x4B, .active_delay_count = 0x06, 652 .xtal_freq_count = 0xBB}, 653 {.osc_frequency = 12000000, .enable_delay_count = 0x02, 654 .stable_count = 0x2F, .active_delay_count = 0x04, 655 .xtal_freq_count = 0x76}, 656 {.osc_frequency = 26000000, .enable_delay_count = 0x04, 657 .stable_count = 0x66, .active_delay_count = 0x09, 658 .xtal_freq_count = 0xFE}, 659 {.osc_frequency = 16800000, .enable_delay_count = 0x03, 660 .stable_count = 0x41, .active_delay_count = 0x0A, 661 .xtal_freq_count = 0xA4}, 662 }; 663 664 /* peripheral mux definitions */ 665 666 static const char *mux_plld_out0_plld2_out0[] = { 667 "pll_d_out0", "pll_d2_out0", 668 }; 669 #define mux_plld_out0_plld2_out0_idx NULL 670 671 static const char *mux_pllmcp_clkm[] = { 672 "pll_m_out0", "pll_c_out0", "pll_p_out0", "clk_m", "pll_m_ud", 673 }; 674 675 static const struct clk_div_table pll_re_div_table[] = { 676 { .val = 0, .div = 1 }, 677 { .val = 1, .div = 2 }, 678 { .val = 2, .div = 3 }, 679 { .val = 3, .div = 4 }, 680 { .val = 4, .div = 5 }, 681 { .val = 5, .div = 6 }, 682 { .val = 0, .div = 0 }, 683 }; 684 685 static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { 686 [tegra_clk_rtc] = { .dt_id = TEGRA114_CLK_RTC, .present = true }, 687 [tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true }, 688 [tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true }, 689 [tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true }, 690 [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true }, 691 [tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true }, 692 [tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true }, 693 [tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true }, 694 [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true }, 695 [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true }, 696 [tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true }, 697 [tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true }, 698 [tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true }, 699 [tegra_clk_epp_8] = { .dt_id = TEGRA114_CLK_EPP, .present = true }, 700 [tegra_clk_gr2d_8] = { .dt_id = TEGRA114_CLK_GR2D, .present = true }, 701 [tegra_clk_usbd] = { .dt_id = TEGRA114_CLK_USBD, .present = true }, 702 [tegra_clk_isp] = { .dt_id = TEGRA114_CLK_ISP, .present = true }, 703 [tegra_clk_gr3d_8] = { .dt_id = TEGRA114_CLK_GR3D, .present = true }, 704 [tegra_clk_disp2] = { .dt_id = TEGRA114_CLK_DISP2, .present = true }, 705 [tegra_clk_disp1] = { .dt_id = TEGRA114_CLK_DISP1, .present = true }, 706 [tegra_clk_host1x_8] = { .dt_id = TEGRA114_CLK_HOST1X, .present = true }, 707 [tegra_clk_vcp] = { .dt_id = TEGRA114_CLK_VCP, .present = true }, 708 [tegra_clk_apbdma] = { .dt_id = TEGRA114_CLK_APBDMA, .present = true }, 709 [tegra_clk_kbc] = { .dt_id = TEGRA114_CLK_KBC, .present = true }, 710 [tegra_clk_kfuse] = { .dt_id = TEGRA114_CLK_KFUSE, .present = true }, 711 [tegra_clk_sbc1_8] = { .dt_id = TEGRA114_CLK_SBC1, .present = true }, 712 [tegra_clk_nor] = { .dt_id = TEGRA114_CLK_NOR, .present = true }, 713 [tegra_clk_sbc2_8] = { .dt_id = TEGRA114_CLK_SBC2, .present = true }, 714 [tegra_clk_sbc3_8] = { .dt_id = TEGRA114_CLK_SBC3, .present = true }, 715 [tegra_clk_i2c5] = { .dt_id = TEGRA114_CLK_I2C5, .present = true }, 716 [tegra_clk_mipi] = { .dt_id = TEGRA114_CLK_MIPI, .present = true }, 717 [tegra_clk_hdmi] = { .dt_id = TEGRA114_CLK_HDMI, .present = true }, 718 [tegra_clk_csi] = { .dt_id = TEGRA114_CLK_CSI, .present = true }, 719 [tegra_clk_i2c2] = { .dt_id = TEGRA114_CLK_I2C2, .present = true }, 720 [tegra_clk_uartc] = { .dt_id = TEGRA114_CLK_UARTC, .present = true }, 721 [tegra_clk_mipi_cal] = { .dt_id = TEGRA114_CLK_MIPI_CAL, .present = true }, 722 [tegra_clk_emc] = { .dt_id = TEGRA114_CLK_EMC, .present = true }, 723 [tegra_clk_usb2] = { .dt_id = TEGRA114_CLK_USB2, .present = true }, 724 [tegra_clk_usb3] = { .dt_id = TEGRA114_CLK_USB3, .present = true }, 725 [tegra_clk_vde_8] = { .dt_id = TEGRA114_CLK_VDE, .present = true }, 726 [tegra_clk_bsea] = { .dt_id = TEGRA114_CLK_BSEA, .present = true }, 727 [tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true }, 728 [tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true }, 729 [tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true }, 730 [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true }, 731 [tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true }, 732 [tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true }, 733 [tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true }, 734 [tegra_clk_trace] = { .dt_id = TEGRA114_CLK_TRACE, .present = true }, 735 [tegra_clk_soc_therm] = { .dt_id = TEGRA114_CLK_SOC_THERM, .present = true }, 736 [tegra_clk_dtv] = { .dt_id = TEGRA114_CLK_DTV, .present = true }, 737 [tegra_clk_ndspeed] = { .dt_id = TEGRA114_CLK_NDSPEED, .present = true }, 738 [tegra_clk_i2cslow] = { .dt_id = TEGRA114_CLK_I2CSLOW, .present = true }, 739 [tegra_clk_tsec] = { .dt_id = TEGRA114_CLK_TSEC, .present = true }, 740 [tegra_clk_xusb_host] = { .dt_id = TEGRA114_CLK_XUSB_HOST, .present = true }, 741 [tegra_clk_msenc] = { .dt_id = TEGRA114_CLK_MSENC, .present = true }, 742 [tegra_clk_csus] = { .dt_id = TEGRA114_CLK_CSUS, .present = true }, 743 [tegra_clk_mselect] = { .dt_id = TEGRA114_CLK_MSELECT, .present = true }, 744 [tegra_clk_tsensor] = { .dt_id = TEGRA114_CLK_TSENSOR, .present = true }, 745 [tegra_clk_i2s3] = { .dt_id = TEGRA114_CLK_I2S3, .present = true }, 746 [tegra_clk_i2s4] = { .dt_id = TEGRA114_CLK_I2S4, .present = true }, 747 [tegra_clk_i2c4] = { .dt_id = TEGRA114_CLK_I2C4, .present = true }, 748 [tegra_clk_sbc5_8] = { .dt_id = TEGRA114_CLK_SBC5, .present = true }, 749 [tegra_clk_sbc6_8] = { .dt_id = TEGRA114_CLK_SBC6, .present = true }, 750 [tegra_clk_d_audio] = { .dt_id = TEGRA114_CLK_D_AUDIO, .present = true }, 751 [tegra_clk_apbif] = { .dt_id = TEGRA114_CLK_APBIF, .present = true }, 752 [tegra_clk_dam0] = { .dt_id = TEGRA114_CLK_DAM0, .present = true }, 753 [tegra_clk_dam1] = { .dt_id = TEGRA114_CLK_DAM1, .present = true }, 754 [tegra_clk_dam2] = { .dt_id = TEGRA114_CLK_DAM2, .present = true }, 755 [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA114_CLK_HDA2CODEC_2X, .present = true }, 756 [tegra_clk_audio0_2x] = { .dt_id = TEGRA114_CLK_AUDIO0_2X, .present = true }, 757 [tegra_clk_audio1_2x] = { .dt_id = TEGRA114_CLK_AUDIO1_2X, .present = true }, 758 [tegra_clk_audio2_2x] = { .dt_id = TEGRA114_CLK_AUDIO2_2X, .present = true }, 759 [tegra_clk_audio3_2x] = { .dt_id = TEGRA114_CLK_AUDIO3_2X, .present = true }, 760 [tegra_clk_audio4_2x] = { .dt_id = TEGRA114_CLK_AUDIO4_2X, .present = true }, 761 [tegra_clk_spdif_2x] = { .dt_id = TEGRA114_CLK_SPDIF_2X, .present = true }, 762 [tegra_clk_actmon] = { .dt_id = TEGRA114_CLK_ACTMON, .present = true }, 763 [tegra_clk_extern1] = { .dt_id = TEGRA114_CLK_EXTERN1, .present = true }, 764 [tegra_clk_extern2] = { .dt_id = TEGRA114_CLK_EXTERN2, .present = true }, 765 [tegra_clk_extern3] = { .dt_id = TEGRA114_CLK_EXTERN3, .present = true }, 766 [tegra_clk_hda] = { .dt_id = TEGRA114_CLK_HDA, .present = true }, 767 [tegra_clk_se] = { .dt_id = TEGRA114_CLK_SE, .present = true }, 768 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA114_CLK_HDA2HDMI, .present = true }, 769 [tegra_clk_cilab] = { .dt_id = TEGRA114_CLK_CILAB, .present = true }, 770 [tegra_clk_cilcd] = { .dt_id = TEGRA114_CLK_CILCD, .present = true }, 771 [tegra_clk_cile] = { .dt_id = TEGRA114_CLK_CILE, .present = true }, 772 [tegra_clk_dsialp] = { .dt_id = TEGRA114_CLK_DSIALP, .present = true }, 773 [tegra_clk_dsiblp] = { .dt_id = TEGRA114_CLK_DSIBLP, .present = true }, 774 [tegra_clk_dds] = { .dt_id = TEGRA114_CLK_DDS, .present = true }, 775 [tegra_clk_dp2] = { .dt_id = TEGRA114_CLK_DP2, .present = true }, 776 [tegra_clk_amx] = { .dt_id = TEGRA114_CLK_AMX, .present = true }, 777 [tegra_clk_adx] = { .dt_id = TEGRA114_CLK_ADX, .present = true }, 778 [tegra_clk_xusb_ss] = { .dt_id = TEGRA114_CLK_XUSB_SS, .present = true }, 779 [tegra_clk_uartb] = { .dt_id = TEGRA114_CLK_UARTB, .present = true }, 780 [tegra_clk_vfir] = { .dt_id = TEGRA114_CLK_VFIR, .present = true }, 781 [tegra_clk_spdif_in] = { .dt_id = TEGRA114_CLK_SPDIF_IN, .present = true }, 782 [tegra_clk_spdif_out] = { .dt_id = TEGRA114_CLK_SPDIF_OUT, .present = true }, 783 [tegra_clk_vi_8] = { .dt_id = TEGRA114_CLK_VI, .present = true }, 784 [tegra_clk_fuse] = { .dt_id = TEGRA114_CLK_FUSE, .present = true }, 785 [tegra_clk_fuse_burn] = { .dt_id = TEGRA114_CLK_FUSE_BURN, .present = true }, 786 [tegra_clk_clk_32k] = { .dt_id = TEGRA114_CLK_CLK_32K, .present = true }, 787 [tegra_clk_clk_m] = { .dt_id = TEGRA114_CLK_CLK_M, .present = true }, 788 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA114_CLK_CLK_M_DIV2, .present = true }, 789 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA114_CLK_CLK_M_DIV4, .present = true }, 790 [tegra_clk_pll_ref] = { .dt_id = TEGRA114_CLK_PLL_REF, .present = true }, 791 [tegra_clk_pll_c] = { .dt_id = TEGRA114_CLK_PLL_C, .present = true }, 792 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA114_CLK_PLL_C_OUT1, .present = true }, 793 [tegra_clk_pll_c2] = { .dt_id = TEGRA114_CLK_PLL_C2, .present = true }, 794 [tegra_clk_pll_c3] = { .dt_id = TEGRA114_CLK_PLL_C3, .present = true }, 795 [tegra_clk_pll_m] = { .dt_id = TEGRA114_CLK_PLL_M, .present = true }, 796 [tegra_clk_pll_m_out1] = { .dt_id = TEGRA114_CLK_PLL_M_OUT1, .present = true }, 797 [tegra_clk_pll_p] = { .dt_id = TEGRA114_CLK_PLL_P, .present = true }, 798 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA114_CLK_PLL_P_OUT1, .present = true }, 799 [tegra_clk_pll_p_out2_int] = { .dt_id = TEGRA114_CLK_PLL_P_OUT2, .present = true }, 800 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA114_CLK_PLL_P_OUT3, .present = true }, 801 [tegra_clk_pll_p_out4] = { .dt_id = TEGRA114_CLK_PLL_P_OUT4, .present = true }, 802 [tegra_clk_pll_a] = { .dt_id = TEGRA114_CLK_PLL_A, .present = true }, 803 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA114_CLK_PLL_A_OUT0, .present = true }, 804 [tegra_clk_pll_d] = { .dt_id = TEGRA114_CLK_PLL_D, .present = true }, 805 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA114_CLK_PLL_D_OUT0, .present = true }, 806 [tegra_clk_pll_d2] = { .dt_id = TEGRA114_CLK_PLL_D2, .present = true }, 807 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA114_CLK_PLL_D2_OUT0, .present = true }, 808 [tegra_clk_pll_u] = { .dt_id = TEGRA114_CLK_PLL_U, .present = true }, 809 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA114_CLK_PLL_U_480M, .present = true }, 810 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA114_CLK_PLL_U_60M, .present = true }, 811 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA114_CLK_PLL_U_48M, .present = true }, 812 [tegra_clk_pll_u_12m] = { .dt_id = TEGRA114_CLK_PLL_U_12M, .present = true }, 813 [tegra_clk_pll_x] = { .dt_id = TEGRA114_CLK_PLL_X, .present = true }, 814 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA114_CLK_PLL_X_OUT0, .present = true }, 815 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA114_CLK_PLL_RE_VCO, .present = true }, 816 [tegra_clk_pll_re_out] = { .dt_id = TEGRA114_CLK_PLL_RE_OUT, .present = true }, 817 [tegra_clk_pll_e_out0] = { .dt_id = TEGRA114_CLK_PLL_E_OUT0, .present = true }, 818 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC, .present = true }, 819 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA114_CLK_I2S0_SYNC, .present = true }, 820 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA114_CLK_I2S1_SYNC, .present = true }, 821 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA114_CLK_I2S2_SYNC, .present = true }, 822 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA114_CLK_I2S3_SYNC, .present = true }, 823 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA114_CLK_I2S4_SYNC, .present = true }, 824 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA114_CLK_VIMCLK_SYNC, .present = true }, 825 [tegra_clk_audio0] = { .dt_id = TEGRA114_CLK_AUDIO0, .present = true }, 826 [tegra_clk_audio1] = { .dt_id = TEGRA114_CLK_AUDIO1, .present = true }, 827 [tegra_clk_audio2] = { .dt_id = TEGRA114_CLK_AUDIO2, .present = true }, 828 [tegra_clk_audio3] = { .dt_id = TEGRA114_CLK_AUDIO3, .present = true }, 829 [tegra_clk_audio4] = { .dt_id = TEGRA114_CLK_AUDIO4, .present = true }, 830 [tegra_clk_spdif] = { .dt_id = TEGRA114_CLK_SPDIF, .present = true }, 831 [tegra_clk_clk_out_1] = { .dt_id = TEGRA114_CLK_CLK_OUT_1, .present = true }, 832 [tegra_clk_clk_out_2] = { .dt_id = TEGRA114_CLK_CLK_OUT_2, .present = true }, 833 [tegra_clk_clk_out_3] = { .dt_id = TEGRA114_CLK_CLK_OUT_3, .present = true }, 834 [tegra_clk_blink] = { .dt_id = TEGRA114_CLK_BLINK, .present = true }, 835 [tegra_clk_xusb_host_src] = { .dt_id = TEGRA114_CLK_XUSB_HOST_SRC, .present = true }, 836 [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA114_CLK_XUSB_FALCON_SRC, .present = true }, 837 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA114_CLK_XUSB_FS_SRC, .present = true }, 838 [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA114_CLK_XUSB_SS_SRC, .present = true }, 839 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA114_CLK_XUSB_SS_DIV2, .present = true}, 840 [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA114_CLK_XUSB_DEV_SRC, .present = true }, 841 [tegra_clk_xusb_dev] = { .dt_id = TEGRA114_CLK_XUSB_DEV, .present = true }, 842 [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA114_CLK_XUSB_HS_SRC, .present = true }, 843 [tegra_clk_sclk] = { .dt_id = TEGRA114_CLK_SCLK, .present = true }, 844 [tegra_clk_hclk] = { .dt_id = TEGRA114_CLK_HCLK, .present = true }, 845 [tegra_clk_pclk] = { .dt_id = TEGRA114_CLK_PCLK, .present = true }, 846 [tegra_clk_cclk_g] = { .dt_id = TEGRA114_CLK_CCLK_G, .present = true }, 847 [tegra_clk_cclk_lp] = { .dt_id = TEGRA114_CLK_CCLK_LP, .present = true }, 848 [tegra_clk_dfll_ref] = { .dt_id = TEGRA114_CLK_DFLL_REF, .present = true }, 849 [tegra_clk_dfll_soc] = { .dt_id = TEGRA114_CLK_DFLL_SOC, .present = true }, 850 [tegra_clk_audio0_mux] = { .dt_id = TEGRA114_CLK_AUDIO0_MUX, .present = true }, 851 [tegra_clk_audio1_mux] = { .dt_id = TEGRA114_CLK_AUDIO1_MUX, .present = true }, 852 [tegra_clk_audio2_mux] = { .dt_id = TEGRA114_CLK_AUDIO2_MUX, .present = true }, 853 [tegra_clk_audio3_mux] = { .dt_id = TEGRA114_CLK_AUDIO3_MUX, .present = true }, 854 [tegra_clk_audio4_mux] = { .dt_id = TEGRA114_CLK_AUDIO4_MUX, .present = true }, 855 [tegra_clk_spdif_mux] = { .dt_id = TEGRA114_CLK_SPDIF_MUX, .present = true }, 856 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_1_MUX, .present = true }, 857 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_2_MUX, .present = true }, 858 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_3_MUX, .present = true }, 859 [tegra_clk_dsia_mux] = { .dt_id = TEGRA114_CLK_DSIA_MUX, .present = true }, 860 [tegra_clk_dsib_mux] = { .dt_id = TEGRA114_CLK_DSIB_MUX, .present = true }, 861 }; 862 863 static struct tegra_devclk devclks[] __initdata = { 864 { .con_id = "clk_m", .dt_id = TEGRA114_CLK_CLK_M }, 865 { .con_id = "pll_ref", .dt_id = TEGRA114_CLK_PLL_REF }, 866 { .con_id = "clk_32k", .dt_id = TEGRA114_CLK_CLK_32K }, 867 { .con_id = "clk_m_div2", .dt_id = TEGRA114_CLK_CLK_M_DIV2 }, 868 { .con_id = "clk_m_div4", .dt_id = TEGRA114_CLK_CLK_M_DIV4 }, 869 { .con_id = "pll_c", .dt_id = TEGRA114_CLK_PLL_C }, 870 { .con_id = "pll_c_out1", .dt_id = TEGRA114_CLK_PLL_C_OUT1 }, 871 { .con_id = "pll_c2", .dt_id = TEGRA114_CLK_PLL_C2 }, 872 { .con_id = "pll_c3", .dt_id = TEGRA114_CLK_PLL_C3 }, 873 { .con_id = "pll_p", .dt_id = TEGRA114_CLK_PLL_P }, 874 { .con_id = "pll_p_out1", .dt_id = TEGRA114_CLK_PLL_P_OUT1 }, 875 { .con_id = "pll_p_out2", .dt_id = TEGRA114_CLK_PLL_P_OUT2 }, 876 { .con_id = "pll_p_out3", .dt_id = TEGRA114_CLK_PLL_P_OUT3 }, 877 { .con_id = "pll_p_out4", .dt_id = TEGRA114_CLK_PLL_P_OUT4 }, 878 { .con_id = "pll_m", .dt_id = TEGRA114_CLK_PLL_M }, 879 { .con_id = "pll_m_out1", .dt_id = TEGRA114_CLK_PLL_M_OUT1 }, 880 { .con_id = "pll_x", .dt_id = TEGRA114_CLK_PLL_X }, 881 { .con_id = "pll_x_out0", .dt_id = TEGRA114_CLK_PLL_X_OUT0 }, 882 { .con_id = "pll_u", .dt_id = TEGRA114_CLK_PLL_U }, 883 { .con_id = "pll_u_480M", .dt_id = TEGRA114_CLK_PLL_U_480M }, 884 { .con_id = "pll_u_60M", .dt_id = TEGRA114_CLK_PLL_U_60M }, 885 { .con_id = "pll_u_48M", .dt_id = TEGRA114_CLK_PLL_U_48M }, 886 { .con_id = "pll_u_12M", .dt_id = TEGRA114_CLK_PLL_U_12M }, 887 { .con_id = "pll_d", .dt_id = TEGRA114_CLK_PLL_D }, 888 { .con_id = "pll_d_out0", .dt_id = TEGRA114_CLK_PLL_D_OUT0 }, 889 { .con_id = "pll_d2", .dt_id = TEGRA114_CLK_PLL_D2 }, 890 { .con_id = "pll_d2_out0", .dt_id = TEGRA114_CLK_PLL_D2_OUT0 }, 891 { .con_id = "pll_a", .dt_id = TEGRA114_CLK_PLL_A }, 892 { .con_id = "pll_a_out0", .dt_id = TEGRA114_CLK_PLL_A_OUT0 }, 893 { .con_id = "pll_re_vco", .dt_id = TEGRA114_CLK_PLL_RE_VCO }, 894 { .con_id = "pll_re_out", .dt_id = TEGRA114_CLK_PLL_RE_OUT }, 895 { .con_id = "pll_e_out0", .dt_id = TEGRA114_CLK_PLL_E_OUT0 }, 896 { .con_id = "spdif_in_sync", .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC }, 897 { .con_id = "i2s0_sync", .dt_id = TEGRA114_CLK_I2S0_SYNC }, 898 { .con_id = "i2s1_sync", .dt_id = TEGRA114_CLK_I2S1_SYNC }, 899 { .con_id = "i2s2_sync", .dt_id = TEGRA114_CLK_I2S2_SYNC }, 900 { .con_id = "i2s3_sync", .dt_id = TEGRA114_CLK_I2S3_SYNC }, 901 { .con_id = "i2s4_sync", .dt_id = TEGRA114_CLK_I2S4_SYNC }, 902 { .con_id = "vimclk_sync", .dt_id = TEGRA114_CLK_VIMCLK_SYNC }, 903 { .con_id = "audio0", .dt_id = TEGRA114_CLK_AUDIO0 }, 904 { .con_id = "audio1", .dt_id = TEGRA114_CLK_AUDIO1 }, 905 { .con_id = "audio2", .dt_id = TEGRA114_CLK_AUDIO2 }, 906 { .con_id = "audio3", .dt_id = TEGRA114_CLK_AUDIO3 }, 907 { .con_id = "audio4", .dt_id = TEGRA114_CLK_AUDIO4 }, 908 { .con_id = "spdif", .dt_id = TEGRA114_CLK_SPDIF }, 909 { .con_id = "audio0_2x", .dt_id = TEGRA114_CLK_AUDIO0_2X }, 910 { .con_id = "audio1_2x", .dt_id = TEGRA114_CLK_AUDIO1_2X }, 911 { .con_id = "audio2_2x", .dt_id = TEGRA114_CLK_AUDIO2_2X }, 912 { .con_id = "audio3_2x", .dt_id = TEGRA114_CLK_AUDIO3_2X }, 913 { .con_id = "audio4_2x", .dt_id = TEGRA114_CLK_AUDIO4_2X }, 914 { .con_id = "spdif_2x", .dt_id = TEGRA114_CLK_SPDIF_2X }, 915 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA114_CLK_EXTERN1 }, 916 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA114_CLK_EXTERN2 }, 917 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA114_CLK_EXTERN3 }, 918 { .con_id = "blink", .dt_id = TEGRA114_CLK_BLINK }, 919 { .con_id = "cclk_g", .dt_id = TEGRA114_CLK_CCLK_G }, 920 { .con_id = "cclk_lp", .dt_id = TEGRA114_CLK_CCLK_LP }, 921 { .con_id = "sclk", .dt_id = TEGRA114_CLK_SCLK }, 922 { .con_id = "hclk", .dt_id = TEGRA114_CLK_HCLK }, 923 { .con_id = "pclk", .dt_id = TEGRA114_CLK_PCLK }, 924 { .con_id = "fuse", .dt_id = TEGRA114_CLK_FUSE }, 925 { .dev_id = "rtc-tegra", .dt_id = TEGRA114_CLK_RTC }, 926 { .dev_id = "timer", .dt_id = TEGRA114_CLK_TIMER }, 927 }; 928 929 static const char *mux_pllm_pllc2_c_c3_pllp_plla[] = { 930 "pll_m", "pll_c2", "pll_c", "pll_c3", "pll_p", "pll_a_out0" 931 }; 932 static u32 mux_pllm_pllc2_c_c3_pllp_plla_idx[] = { 933 [0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 6, 934 }; 935 936 static struct tegra_audio_clk_info tegra114_audio_plls[] = { 937 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_p_out1" }, 938 }; 939 940 static struct clk **clks; 941 942 static unsigned long osc_freq; 943 static unsigned long pll_ref_freq; 944 945 static void __init tegra114_fixed_clk_init(void __iomem *clk_base) 946 { 947 struct clk *clk; 948 949 /* clk_32k */ 950 clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT, 951 32768); 952 clks[TEGRA114_CLK_CLK_32K] = clk; 953 954 /* clk_m_div2 */ 955 clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m", 956 CLK_SET_RATE_PARENT, 1, 2); 957 clks[TEGRA114_CLK_CLK_M_DIV2] = clk; 958 959 /* clk_m_div4 */ 960 clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m", 961 CLK_SET_RATE_PARENT, 1, 4); 962 clks[TEGRA114_CLK_CLK_M_DIV4] = clk; 963 964 } 965 966 static __init void tegra114_utmi_param_configure(void __iomem *clk_base) 967 { 968 u32 reg; 969 int i; 970 971 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 972 if (osc_freq == utmi_parameters[i].osc_frequency) 973 break; 974 } 975 976 if (i >= ARRAY_SIZE(utmi_parameters)) { 977 pr_err("%s: Unexpected oscillator freq %lu\n", __func__, 978 osc_freq); 979 return; 980 } 981 982 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 983 984 /* Program UTMIP PLL stable and active counts */ 985 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ 986 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 987 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count); 988 989 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 990 991 reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i]. 992 active_delay_count); 993 994 /* Remove power downs from UTMIP PLL control bits */ 995 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 996 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 997 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN; 998 999 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 1000 1001 /* Program UTMIP PLL delay and oscillator frequency counts */ 1002 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 1003 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 1004 1005 reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i]. 1006 enable_delay_count); 1007 1008 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 1009 reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i]. 1010 xtal_freq_count); 1011 1012 /* Remove power downs from UTMIP PLL control bits */ 1013 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 1014 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN; 1015 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP; 1016 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 1017 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 1018 1019 /* Setup HW control of UTMIPLL */ 1020 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 1021 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET; 1022 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL; 1023 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE; 1024 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 1025 1026 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 1027 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 1028 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 1029 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 1030 1031 udelay(1); 1032 1033 /* Setup SW override of UTMIPLL assuming USB2.0 1034 ports are assigned to USB2 */ 1035 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 1036 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL; 1037 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 1038 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 1039 1040 udelay(1); 1041 1042 /* Enable HW control UTMIPLL */ 1043 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 1044 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE; 1045 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 1046 } 1047 1048 static void __init tegra114_pll_init(void __iomem *clk_base, 1049 void __iomem *pmc) 1050 { 1051 u32 val; 1052 struct clk *clk; 1053 1054 /* PLLC */ 1055 clk = tegra_clk_register_pllxc("pll_c", "pll_ref", clk_base, 1056 pmc, 0, &pll_c_params, NULL); 1057 clks[TEGRA114_CLK_PLL_C] = clk; 1058 1059 /* PLLC_OUT1 */ 1060 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 1061 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 1062 8, 8, 1, NULL); 1063 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 1064 clk_base + PLLC_OUT, 1, 0, 1065 CLK_SET_RATE_PARENT, 0, NULL); 1066 clks[TEGRA114_CLK_PLL_C_OUT1] = clk; 1067 1068 /* PLLC2 */ 1069 clk = tegra_clk_register_pllc("pll_c2", "pll_ref", clk_base, pmc, 0, 1070 &pll_c2_params, NULL); 1071 clks[TEGRA114_CLK_PLL_C2] = clk; 1072 1073 /* PLLC3 */ 1074 clk = tegra_clk_register_pllc("pll_c3", "pll_ref", clk_base, pmc, 0, 1075 &pll_c3_params, NULL); 1076 clks[TEGRA114_CLK_PLL_C3] = clk; 1077 1078 /* PLLM */ 1079 clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc, 1080 CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, 1081 &pll_m_params, NULL); 1082 clks[TEGRA114_CLK_PLL_M] = clk; 1083 1084 /* PLLM_OUT1 */ 1085 clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m", 1086 clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 1087 8, 8, 1, NULL); 1088 clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div", 1089 clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED | 1090 CLK_SET_RATE_PARENT, 0, NULL); 1091 clks[TEGRA114_CLK_PLL_M_OUT1] = clk; 1092 1093 /* PLLM_UD */ 1094 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", 1095 CLK_SET_RATE_PARENT, 1, 1); 1096 1097 /* PLLU */ 1098 val = readl(clk_base + pll_u_params.base_reg); 1099 val &= ~BIT(24); /* disable PLLU_OVERRIDE */ 1100 writel(val, clk_base + pll_u_params.base_reg); 1101 1102 clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc, 0, 1103 &pll_u_params, &pll_u_lock); 1104 clks[TEGRA114_CLK_PLL_U] = clk; 1105 1106 tegra114_utmi_param_configure(clk_base); 1107 1108 /* PLLU_480M */ 1109 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u", 1110 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 1111 22, 0, &pll_u_lock); 1112 clks[TEGRA114_CLK_PLL_U_480M] = clk; 1113 1114 /* PLLU_60M */ 1115 clk = clk_register_fixed_factor(NULL, "pll_u_60M", "pll_u", 1116 CLK_SET_RATE_PARENT, 1, 8); 1117 clks[TEGRA114_CLK_PLL_U_60M] = clk; 1118 1119 /* PLLU_48M */ 1120 clk = clk_register_fixed_factor(NULL, "pll_u_48M", "pll_u", 1121 CLK_SET_RATE_PARENT, 1, 10); 1122 clks[TEGRA114_CLK_PLL_U_48M] = clk; 1123 1124 /* PLLU_12M */ 1125 clk = clk_register_fixed_factor(NULL, "pll_u_12M", "pll_u", 1126 CLK_SET_RATE_PARENT, 1, 40); 1127 clks[TEGRA114_CLK_PLL_U_12M] = clk; 1128 1129 /* PLLD */ 1130 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, 1131 &pll_d_params, &pll_d_lock); 1132 clks[TEGRA114_CLK_PLL_D] = clk; 1133 1134 /* PLLD_OUT0 */ 1135 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 1136 CLK_SET_RATE_PARENT, 1, 2); 1137 clks[TEGRA114_CLK_PLL_D_OUT0] = clk; 1138 1139 /* PLLD2 */ 1140 clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc, 0, 1141 &pll_d2_params, &pll_d2_lock); 1142 clks[TEGRA114_CLK_PLL_D2] = clk; 1143 1144 /* PLLD2_OUT0 */ 1145 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 1146 CLK_SET_RATE_PARENT, 1, 2); 1147 clks[TEGRA114_CLK_PLL_D2_OUT0] = clk; 1148 1149 /* PLLRE */ 1150 clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc, 1151 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq); 1152 clks[TEGRA114_CLK_PLL_RE_VCO] = clk; 1153 1154 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, 1155 clk_base + PLLRE_BASE, 16, 4, 0, 1156 pll_re_div_table, &pll_re_lock); 1157 clks[TEGRA114_CLK_PLL_RE_OUT] = clk; 1158 1159 /* PLLE */ 1160 clk = tegra_clk_register_plle_tegra114("pll_e_out0", "pll_ref", 1161 clk_base, 0, &pll_e_params, NULL); 1162 clks[TEGRA114_CLK_PLL_E_OUT0] = clk; 1163 } 1164 1165 #define CLK_SOURCE_VI_SENSOR 0x1a8 1166 1167 static struct tegra_periph_init_data tegra_periph_clk_list[] = { 1168 MUX8("vi_sensor", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR, 20, TEGRA_PERIPH_NO_RESET, TEGRA114_CLK_VI_SENSOR), 1169 }; 1170 1171 static __init void tegra114_periph_clk_init(void __iomem *clk_base, 1172 void __iomem *pmc_base) 1173 { 1174 struct clk *clk; 1175 struct tegra_periph_init_data *data; 1176 int i; 1177 1178 /* xusb_ss_div2 */ 1179 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, 1180 1, 2); 1181 clks[TEGRA114_CLK_XUSB_SS_DIV2] = clk; 1182 1183 /* dsia mux */ 1184 clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0, 1185 ARRAY_SIZE(mux_plld_out0_plld2_out0), 1186 CLK_SET_RATE_NO_REPARENT, 1187 clk_base + PLLD_BASE, 25, 1, 0, &pll_d_lock); 1188 clks[TEGRA114_CLK_DSIA_MUX] = clk; 1189 1190 /* dsib mux */ 1191 clk = clk_register_mux(NULL, "dsib_mux", mux_plld_out0_plld2_out0, 1192 ARRAY_SIZE(mux_plld_out0_plld2_out0), 1193 CLK_SET_RATE_NO_REPARENT, 1194 clk_base + PLLD2_BASE, 25, 1, 0, &pll_d2_lock); 1195 clks[TEGRA114_CLK_DSIB_MUX] = clk; 1196 1197 clk = tegra_clk_register_periph_gate("dsia", "dsia_mux", 0, clk_base, 1198 0, 48, periph_clk_enb_refcnt); 1199 clks[TEGRA114_CLK_DSIA] = clk; 1200 1201 clk = tegra_clk_register_periph_gate("dsib", "dsib_mux", 0, clk_base, 1202 0, 82, periph_clk_enb_refcnt); 1203 clks[TEGRA114_CLK_DSIB] = clk; 1204 1205 /* emc mux */ 1206 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, 1207 ARRAY_SIZE(mux_pllmcp_clkm), 1208 CLK_SET_RATE_NO_REPARENT, 1209 clk_base + CLK_SOURCE_EMC, 1210 29, 3, 0, &emc_lock); 1211 1212 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, 1213 &emc_lock); 1214 clks[TEGRA114_CLK_MC] = clk; 1215 1216 for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) { 1217 data = &tegra_periph_clk_list[i]; 1218 clk = tegra_clk_register_periph(data->name, 1219 data->p.parent_names, data->num_parents, 1220 &data->periph, clk_base, data->offset, data->flags); 1221 clks[data->clk_id] = clk; 1222 } 1223 1224 tegra_periph_clk_init(clk_base, pmc_base, tegra114_clks, 1225 &pll_p_params); 1226 } 1227 1228 /* Tegra114 CPU clock and reset control functions */ 1229 static void tegra114_wait_cpu_in_reset(u32 cpu) 1230 { 1231 unsigned int reg; 1232 1233 do { 1234 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 1235 cpu_relax(); 1236 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 1237 } 1238 1239 static void tegra114_disable_cpu_clock(u32 cpu) 1240 { 1241 /* flow controller would take care in the power sequence. */ 1242 } 1243 1244 #ifdef CONFIG_PM_SLEEP 1245 static void tegra114_cpu_clock_suspend(void) 1246 { 1247 /* switch coresite to clk_m, save off original source */ 1248 tegra114_cpu_clk_sctx.clk_csite_src = 1249 readl(clk_base + CLK_SOURCE_CSITE); 1250 writel(3 << 30, clk_base + CLK_SOURCE_CSITE); 1251 1252 tegra114_cpu_clk_sctx.cclkg_burst = 1253 readl(clk_base + CCLKG_BURST_POLICY); 1254 tegra114_cpu_clk_sctx.cclkg_divider = 1255 readl(clk_base + CCLKG_BURST_POLICY + 4); 1256 } 1257 1258 static void tegra114_cpu_clock_resume(void) 1259 { 1260 writel(tegra114_cpu_clk_sctx.clk_csite_src, 1261 clk_base + CLK_SOURCE_CSITE); 1262 1263 writel(tegra114_cpu_clk_sctx.cclkg_burst, 1264 clk_base + CCLKG_BURST_POLICY); 1265 writel(tegra114_cpu_clk_sctx.cclkg_divider, 1266 clk_base + CCLKG_BURST_POLICY + 4); 1267 } 1268 #endif 1269 1270 static struct tegra_cpu_car_ops tegra114_cpu_car_ops = { 1271 .wait_for_reset = tegra114_wait_cpu_in_reset, 1272 .disable_clock = tegra114_disable_cpu_clock, 1273 #ifdef CONFIG_PM_SLEEP 1274 .suspend = tegra114_cpu_clock_suspend, 1275 .resume = tegra114_cpu_clock_resume, 1276 #endif 1277 }; 1278 1279 static const struct of_device_id pmc_match[] __initconst = { 1280 { .compatible = "nvidia,tegra114-pmc" }, 1281 {}, 1282 }; 1283 1284 /* 1285 * dfll_soc/dfll_ref apparently must be kept enabled, otherwise I2C5 1286 * breaks 1287 */ 1288 static struct tegra_clk_init_table init_table[] __initdata = { 1289 {TEGRA114_CLK_UARTA, TEGRA114_CLK_PLL_P, 408000000, 0}, 1290 {TEGRA114_CLK_UARTB, TEGRA114_CLK_PLL_P, 408000000, 0}, 1291 {TEGRA114_CLK_UARTC, TEGRA114_CLK_PLL_P, 408000000, 0}, 1292 {TEGRA114_CLK_UARTD, TEGRA114_CLK_PLL_P, 408000000, 0}, 1293 {TEGRA114_CLK_PLL_A, TEGRA114_CLK_CLK_MAX, 564480000, 1}, 1294 {TEGRA114_CLK_PLL_A_OUT0, TEGRA114_CLK_CLK_MAX, 11289600, 1}, 1295 {TEGRA114_CLK_EXTERN1, TEGRA114_CLK_PLL_A_OUT0, 0, 1}, 1296 {TEGRA114_CLK_CLK_OUT_1_MUX, TEGRA114_CLK_EXTERN1, 0, 1}, 1297 {TEGRA114_CLK_CLK_OUT_1, TEGRA114_CLK_CLK_MAX, 0, 1}, 1298 {TEGRA114_CLK_I2S0, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0}, 1299 {TEGRA114_CLK_I2S1, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0}, 1300 {TEGRA114_CLK_I2S2, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0}, 1301 {TEGRA114_CLK_I2S3, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0}, 1302 {TEGRA114_CLK_I2S4, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0}, 1303 {TEGRA114_CLK_HOST1X, TEGRA114_CLK_PLL_P, 136000000, 0}, 1304 {TEGRA114_CLK_DFLL_SOC, TEGRA114_CLK_PLL_P, 51000000, 1}, 1305 {TEGRA114_CLK_DFLL_REF, TEGRA114_CLK_PLL_P, 51000000, 1}, 1306 {TEGRA114_CLK_DISP1, TEGRA114_CLK_PLL_P, 0, 0}, 1307 {TEGRA114_CLK_DISP2, TEGRA114_CLK_PLL_P, 0, 0}, 1308 {TEGRA114_CLK_GR2D, TEGRA114_CLK_PLL_C2, 300000000, 0}, 1309 {TEGRA114_CLK_GR3D, TEGRA114_CLK_PLL_C2, 300000000, 0}, 1310 {TEGRA114_CLK_DSIALP, TEGRA114_CLK_PLL_P, 68000000, 0}, 1311 {TEGRA114_CLK_DSIBLP, TEGRA114_CLK_PLL_P, 68000000, 0}, 1312 {TEGRA114_CLK_PLL_RE_VCO, TEGRA114_CLK_CLK_MAX, 612000000, 0}, 1313 {TEGRA114_CLK_XUSB_SS_SRC, TEGRA114_CLK_PLL_RE_OUT, 122400000, 0}, 1314 {TEGRA114_CLK_XUSB_FS_SRC, TEGRA114_CLK_PLL_U_48M, 48000000, 0}, 1315 {TEGRA114_CLK_XUSB_HS_SRC, TEGRA114_CLK_XUSB_SS_DIV2, 61200000, 0}, 1316 {TEGRA114_CLK_XUSB_FALCON_SRC, TEGRA114_CLK_PLL_P, 204000000, 0}, 1317 {TEGRA114_CLK_XUSB_HOST_SRC, TEGRA114_CLK_PLL_P, 102000000, 0}, 1318 /* This MUST be the last entry. */ 1319 {TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0}, 1320 }; 1321 1322 static void __init tegra114_clock_apply_init_table(void) 1323 { 1324 tegra_init_from_table(init_table, clks, TEGRA114_CLK_CLK_MAX); 1325 } 1326 1327 /** 1328 * tegra114_car_barrier - wait for pending writes to the CAR to complete 1329 * 1330 * Wait for any outstanding writes to the CAR MMIO space from this CPU 1331 * to complete before continuing execution. No return value. 1332 */ 1333 static void tegra114_car_barrier(void) 1334 { 1335 wmb(); /* probably unnecessary */ 1336 readl_relaxed(clk_base + CPU_FINETRIM_SELECT); 1337 } 1338 1339 /** 1340 * tegra114_clock_tune_cpu_trimmers_high - use high-voltage propagation delays 1341 * 1342 * When the CPU rail voltage is in the high-voltage range, use the 1343 * built-in hardwired clock propagation delays in the CPU clock 1344 * shaper. No return value. 1345 */ 1346 void tegra114_clock_tune_cpu_trimmers_high(void) 1347 { 1348 u32 select = 0; 1349 1350 /* Use hardwired rise->rise & fall->fall clock propagation delays */ 1351 select |= ~(CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 | 1352 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 | 1353 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6); 1354 writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT); 1355 1356 tegra114_car_barrier(); 1357 } 1358 EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_high); 1359 1360 /** 1361 * tegra114_clock_tune_cpu_trimmers_low - use low-voltage propagation delays 1362 * 1363 * When the CPU rail voltage is in the low-voltage range, use the 1364 * extended clock propagation delays set by 1365 * tegra114_clock_tune_cpu_trimmers_init(). The intention is to 1366 * maintain the input clock duty cycle that the FCPU subsystem 1367 * expects. No return value. 1368 */ 1369 void tegra114_clock_tune_cpu_trimmers_low(void) 1370 { 1371 u32 select = 0; 1372 1373 /* 1374 * Use software-specified rise->rise & fall->fall clock 1375 * propagation delays (from 1376 * tegra114_clock_tune_cpu_trimmers_init() 1377 */ 1378 select |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 | 1379 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 | 1380 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6); 1381 writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT); 1382 1383 tegra114_car_barrier(); 1384 } 1385 EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_low); 1386 1387 /** 1388 * tegra114_clock_tune_cpu_trimmers_init - set up and enable clk prop delays 1389 * 1390 * Program extended clock propagation delays into the FCPU clock 1391 * shaper and enable them. XXX Define the purpose - peak current 1392 * reduction? No return value. 1393 */ 1394 /* XXX Initial voltage rail state assumption issues? */ 1395 void tegra114_clock_tune_cpu_trimmers_init(void) 1396 { 1397 u32 dr = 0, r = 0; 1398 1399 /* Increment the rise->rise clock delay by four steps */ 1400 r |= (CPU_FINETRIM_R_FCPU_1_MASK | CPU_FINETRIM_R_FCPU_2_MASK | 1401 CPU_FINETRIM_R_FCPU_3_MASK | CPU_FINETRIM_R_FCPU_4_MASK | 1402 CPU_FINETRIM_R_FCPU_5_MASK | CPU_FINETRIM_R_FCPU_6_MASK); 1403 writel_relaxed(r, clk_base + CPU_FINETRIM_R); 1404 1405 /* 1406 * Use the rise->rise clock propagation delay specified in the 1407 * r field 1408 */ 1409 dr |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 | 1410 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 | 1411 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6); 1412 writel_relaxed(dr, clk_base + CPU_FINETRIM_DR); 1413 1414 tegra114_clock_tune_cpu_trimmers_low(); 1415 } 1416 EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init); 1417 1418 /** 1419 * tegra114_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset 1420 * 1421 * Assert the reset line of the DFLL's DVCO. No return value. 1422 */ 1423 void tegra114_clock_assert_dfll_dvco_reset(void) 1424 { 1425 u32 v; 1426 1427 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 1428 v |= (1 << DVFS_DFLL_RESET_SHIFT); 1429 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 1430 tegra114_car_barrier(); 1431 } 1432 EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset); 1433 1434 /** 1435 * tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset 1436 * 1437 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to 1438 * operate. No return value. 1439 */ 1440 void tegra114_clock_deassert_dfll_dvco_reset(void) 1441 { 1442 u32 v; 1443 1444 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 1445 v &= ~(1 << DVFS_DFLL_RESET_SHIFT); 1446 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 1447 tegra114_car_barrier(); 1448 } 1449 EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset); 1450 1451 static void __init tegra114_clock_init(struct device_node *np) 1452 { 1453 struct device_node *node; 1454 1455 clk_base = of_iomap(np, 0); 1456 if (!clk_base) { 1457 pr_err("ioremap tegra114 CAR failed\n"); 1458 return; 1459 } 1460 1461 node = of_find_matching_node(NULL, pmc_match); 1462 if (!node) { 1463 pr_err("Failed to find pmc node\n"); 1464 WARN_ON(1); 1465 return; 1466 } 1467 1468 pmc_base = of_iomap(node, 0); 1469 if (!pmc_base) { 1470 pr_err("Can't map pmc registers\n"); 1471 WARN_ON(1); 1472 return; 1473 } 1474 1475 clks = tegra_clk_init(clk_base, TEGRA114_CLK_CLK_MAX, 1476 TEGRA114_CLK_PERIPH_BANKS); 1477 if (!clks) 1478 return; 1479 1480 if (tegra_osc_clk_init(clk_base, tegra114_clks, tegra114_input_freq, 1481 ARRAY_SIZE(tegra114_input_freq), 1, &osc_freq, 1482 &pll_ref_freq) < 0) 1483 return; 1484 1485 tegra114_fixed_clk_init(clk_base); 1486 tegra114_pll_init(clk_base, pmc_base); 1487 tegra114_periph_clk_init(clk_base, pmc_base); 1488 tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks, 1489 tegra114_audio_plls, 1490 ARRAY_SIZE(tegra114_audio_plls)); 1491 tegra_pmc_clk_init(pmc_base, tegra114_clks); 1492 tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks, 1493 &pll_x_params); 1494 1495 tegra_add_of_provider(np); 1496 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 1497 1498 tegra_clk_apply_init_table = tegra114_clock_apply_init_table; 1499 1500 tegra_cpu_car_ops = &tegra114_cpu_car_ops; 1501 } 1502 CLK_OF_DECLARE(tegra114, "nvidia,tegra114-car", tegra114_clock_init); 1503