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clk-tegra30.c
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linux-6.19.14/drivers/clk/tegra/clk-tegra30.c
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. 4 */ 5 6#include <linux/io.h> 7#include <linux/delay.h> 8#include <linux/clk-provider.h> 9#include <linux/clkdev.h> 10#include <linux/init.h> 11#include <linux/of.h> 12#include <linux/of_address.h> 13#include <linux/platform_device.h> 14#include <linux/clk/tegra.h> 15 16#include <soc/tegra/pmc.h> 17 18#include <dt-bindings/clock/tegra30-car.h> 19 20#include "clk.h" 21#include "clk-id.h" 22 23#define OSC_CTRL 0x50 24#define OSC_CTRL_OSC_FREQ_MASK (0xF<<28) 25#define OSC_CTRL_OSC_FREQ_13MHZ (0X0<<28) 26#define OSC_CTRL_OSC_FREQ_19_2MHZ (0X4<<28) 27#define OSC_CTRL_OSC_FREQ_12MHZ (0X8<<28) 28#define OSC_CTRL_OSC_FREQ_26MHZ (0XC<<28) 29#define OSC_CTRL_OSC_FREQ_16_8MHZ (0X1<<28) 30#define OSC_CTRL_OSC_FREQ_38_4MHZ (0X5<<28) 31#define OSC_CTRL_OSC_FREQ_48MHZ (0X9<<28) 32#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK) 33 34#define OSC_CTRL_PLL_REF_DIV_MASK (3<<26) 35#define OSC_CTRL_PLL_REF_DIV_1 (0<<26) 36#define OSC_CTRL_PLL_REF_DIV_2 (1<<26) 37#define OSC_CTRL_PLL_REF_DIV_4 (2<<26) 38 39#define OSC_FREQ_DET 0x58 40#define OSC_FREQ_DET_TRIG BIT(31) 41 42#define OSC_FREQ_DET_STATUS 0x5c 43#define OSC_FREQ_DET_BUSY BIT(31) 44#define OSC_FREQ_DET_CNT_MASK 0xffff 45 46#define CCLKG_BURST_POLICY 0x368 47#define SUPER_CCLKG_DIVIDER 0x36c 48#define CCLKLP_BURST_POLICY 0x370 49#define SUPER_CCLKLP_DIVIDER 0x374 50#define SCLK_BURST_POLICY 0x028 51#define SUPER_SCLK_DIVIDER 0x02c 52 53#define SYSTEM_CLK_RATE 0x030 54 55#define TEGRA30_CLK_PERIPH_BANKS 5 56#define TEGRA30_CLK_CLK_MAX 311 57 58#define PLLC_BASE 0x80 59#define PLLC_MISC 0x8c 60#define PLLM_BASE 0x90 61#define PLLM_MISC 0x9c 62#define PLLP_BASE 0xa0 63#define PLLP_MISC 0xac 64#define PLLX_BASE 0xe0 65#define PLLX_MISC 0xe4 66#define PLLD_BASE 0xd0 67#define PLLD_MISC 0xdc 68#define PLLD2_BASE 0x4b8 69#define PLLD2_MISC 0x4bc 70#define PLLE_BASE 0xe8 71#define PLLE_MISC 0xec 72#define PLLA_BASE 0xb0 73#define PLLA_MISC 0xbc 74#define PLLU_BASE 0xc0 75#define PLLU_MISC 0xcc 76 77#define PLL_MISC_LOCK_ENABLE 18 78#define PLLDU_MISC_LOCK_ENABLE 22 79#define PLLE_MISC_LOCK_ENABLE 9 80 81#define PLL_BASE_LOCK BIT(27) 82#define PLLE_MISC_LOCK BIT(11) 83 84#define PLLE_AUX 0x48c 85#define PLLC_OUT 0x84 86#define PLLM_OUT 0x94 87#define PLLP_OUTA 0xa4 88#define PLLP_OUTB 0xa8 89#define PLLA_OUT 0xb4 90 91#define AUDIO_SYNC_CLK_I2S0 0x4a0 92#define AUDIO_SYNC_CLK_I2S1 0x4a4 93#define AUDIO_SYNC_CLK_I2S2 0x4a8 94#define AUDIO_SYNC_CLK_I2S3 0x4ac 95#define AUDIO_SYNC_CLK_I2S4 0x4b0 96#define AUDIO_SYNC_CLK_SPDIF 0x4b4 97 98#define CLK_SOURCE_SPDIF_OUT 0x108 99#define CLK_SOURCE_PWM 0x110 100#define CLK_SOURCE_D_AUDIO 0x3d0 101#define CLK_SOURCE_DAM0 0x3d8 102#define CLK_SOURCE_DAM1 0x3dc 103#define CLK_SOURCE_DAM2 0x3e0 104#define CLK_SOURCE_3D2 0x3b0 105#define CLK_SOURCE_2D 0x15c 106#define CLK_SOURCE_HDMI 0x18c 107#define CLK_SOURCE_DSIB 0xd0 108#define CLK_SOURCE_SE 0x42c 109#define CLK_SOURCE_EMC 0x19c 110 111#define AUDIO_SYNC_DOUBLER 0x49c 112 113/* Tegra CPU clock and reset control regs */ 114#define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0x4c 115#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0x340 116#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0x344 117#define TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR 0x34c 118#define TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 119 120#define CPU_CLOCK(cpu) (0x1 << (8 + cpu)) 121#define CPU_RESET(cpu) (0x1111ul << (cpu)) 122 123#define CLK_RESET_CCLK_BURST 0x20 124#define CLK_RESET_CCLK_DIVIDER 0x24 125#define CLK_RESET_PLLX_BASE 0xe0 126#define CLK_RESET_PLLX_MISC 0xe4 127 128#define CLK_RESET_SOURCE_CSITE 0x1d4 129 130#define CLK_RESET_CCLK_BURST_POLICY_SHIFT 28 131#define CLK_RESET_CCLK_RUN_POLICY_SHIFT 4 132#define CLK_RESET_CCLK_IDLE_POLICY_SHIFT 0 133#define CLK_RESET_CCLK_IDLE_POLICY 1 134#define CLK_RESET_CCLK_RUN_POLICY 2 135#define CLK_RESET_CCLK_BURST_POLICY_PLLX 8 136 137/* PLLM override registers */ 138#define PMC_PLLM_WB0_OVERRIDE 0x1dc 139 140#ifdef CONFIG_PM_SLEEP 141static struct cpu_clk_suspend_context { 142 u32 pllx_misc; 143 u32 pllx_base; 144 145 u32 cpu_burst; 146 u32 clk_csite_src; 147 u32 cclk_divider; 148} tegra30_cpu_clk_sctx; 149#endif 150 151static void __iomem *clk_base; 152static void __iomem *pmc_base; 153static unsigned long input_freq; 154 155static DEFINE_SPINLOCK(cml_lock); 156static DEFINE_SPINLOCK(pll_d_lock); 157 158#define TEGRA_INIT_DATA_MUX(_name, _parents, _offset, \ 159 _clk_num, _gate_flags, _clk_id) \ 160 TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \ 161 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, \ 162 _clk_num, _gate_flags, _clk_id) 163 164#define TEGRA_INIT_DATA_MUX8(_name, _parents, _offset, \ 165 _clk_num, _gate_flags, _clk_id) \ 166 TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \ 167 29, 3, 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, \ 168 _clk_num, _gate_flags, _clk_id) 169 170#define TEGRA_INIT_DATA_INT(_name, _parents, _offset, \ 171 _clk_num, _gate_flags, _clk_id) \ 172 TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \ 173 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT | \ 174 TEGRA_DIVIDER_ROUND_UP, _clk_num, \ 175 _gate_flags, _clk_id) 176 177#define TEGRA_INIT_DATA_NODIV(_name, _parents, _offset, \ 178 _mux_shift, _mux_width, _clk_num, \ 179 _gate_flags, _clk_id) \ 180 TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \ 181 _mux_shift, _mux_width, 0, 0, 0, 0, 0,\ 182 _clk_num, _gate_flags, \ 183 _clk_id) 184 185static struct clk **clks; 186 187static struct tegra_clk_pll_freq_table pll_c_freq_table[] = { 188 { 12000000, 1040000000, 520, 6, 1, 8 }, 189 { 13000000, 1040000000, 480, 6, 1, 8 }, 190 { 16800000, 1040000000, 495, 8, 1, 8 }, /* actual: 1039.5 MHz */ 191 { 19200000, 1040000000, 325, 6, 1, 6 }, 192 { 26000000, 1040000000, 520, 13, 1, 8 }, 193 { 12000000, 832000000, 416, 6, 1, 8 }, 194 { 13000000, 832000000, 832, 13, 1, 8 }, 195 { 16800000, 832000000, 396, 8, 1, 8 }, /* actual: 831.6 MHz */ 196 { 19200000, 832000000, 260, 6, 1, 8 }, 197 { 26000000, 832000000, 416, 13, 1, 8 }, 198 { 12000000, 624000000, 624, 12, 1, 8 }, 199 { 13000000, 624000000, 624, 13, 1, 8 }, 200 { 16800000, 600000000, 520, 14, 1, 8 }, 201 { 19200000, 624000000, 520, 16, 1, 8 }, 202 { 26000000, 624000000, 624, 26, 1, 8 }, 203 { 12000000, 600000000, 600, 12, 1, 8 }, 204 { 13000000, 600000000, 600, 13, 1, 8 }, 205 { 16800000, 600000000, 500, 14, 1, 8 }, 206 { 19200000, 600000000, 375, 12, 1, 6 }, 207 { 26000000, 600000000, 600, 26, 1, 8 }, 208 { 12000000, 520000000, 520, 12, 1, 8 }, 209 { 13000000, 520000000, 520, 13, 1, 8 }, 210 { 16800000, 520000000, 495, 16, 1, 8 }, /* actual: 519.75 MHz */ 211 { 19200000, 520000000, 325, 12, 1, 6 }, 212 { 26000000, 520000000, 520, 26, 1, 8 }, 213 { 12000000, 416000000, 416, 12, 1, 8 }, 214 { 13000000, 416000000, 416, 13, 1, 8 }, 215 { 16800000, 416000000, 396, 16, 1, 8 }, /* actual: 415.8 MHz */ 216 { 19200000, 416000000, 260, 12, 1, 6 }, 217 { 26000000, 416000000, 416, 26, 1, 8 }, 218 { 0, 0, 0, 0, 0, 0 }, 219}; 220 221static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 222 { 12000000, 666000000, 666, 12, 1, 8 }, 223 { 13000000, 666000000, 666, 13, 1, 8 }, 224 { 16800000, 666000000, 555, 14, 1, 8 }, 225 { 19200000, 666000000, 555, 16, 1, 8 }, 226 { 26000000, 666000000, 666, 26, 1, 8 }, 227 { 12000000, 600000000, 600, 12, 1, 8 }, 228 { 13000000, 600000000, 600, 13, 1, 8 }, 229 { 16800000, 600000000, 500, 14, 1, 8 }, 230 { 19200000, 600000000, 375, 12, 1, 6 }, 231 { 26000000, 600000000, 600, 26, 1, 8 }, 232 { 0, 0, 0, 0, 0, 0 }, 233}; 234 235static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 236 { 12000000, 216000000, 432, 12, 2, 8 }, 237 { 13000000, 216000000, 432, 13, 2, 8 }, 238 { 16800000, 216000000, 360, 14, 2, 8 }, 239 { 19200000, 216000000, 360, 16, 2, 8 }, 240 { 26000000, 216000000, 432, 26, 2, 8 }, 241 { 0, 0, 0, 0, 0, 0 }, 242}; 243 244static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 245 { 9600000, 564480000, 294, 5, 1, 4 }, 246 { 9600000, 552960000, 288, 5, 1, 4 }, 247 { 9600000, 24000000, 5, 2, 1, 1 }, 248 { 28800000, 56448000, 49, 25, 1, 1 }, 249 { 28800000, 73728000, 64, 25, 1, 1 }, 250 { 28800000, 24000000, 5, 6, 1, 1 }, 251 { 0, 0, 0, 0, 0, 0 }, 252}; 253 254static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 255 { 12000000, 216000000, 216, 12, 1, 4 }, 256 { 13000000, 216000000, 216, 13, 1, 4 }, 257 { 16800000, 216000000, 180, 14, 1, 4 }, 258 { 19200000, 216000000, 180, 16, 1, 4 }, 259 { 26000000, 216000000, 216, 26, 1, 4 }, 260 { 12000000, 594000000, 594, 12, 1, 8 }, 261 { 13000000, 594000000, 594, 13, 1, 8 }, 262 { 16800000, 594000000, 495, 14, 1, 8 }, 263 { 19200000, 594000000, 495, 16, 1, 8 }, 264 { 26000000, 594000000, 594, 26, 1, 8 }, 265 { 12000000, 1000000000, 1000, 12, 1, 12 }, 266 { 13000000, 1000000000, 1000, 13, 1, 12 }, 267 { 19200000, 1000000000, 625, 12, 1, 8 }, 268 { 26000000, 1000000000, 1000, 26, 1, 12 }, 269 { 0, 0, 0, 0, 0, 0 }, 270}; 271 272static const struct pdiv_map pllu_p[] = { 273 { .pdiv = 1, .hw_val = 1 }, 274 { .pdiv = 2, .hw_val = 0 }, 275 { .pdiv = 0, .hw_val = 0 }, 276}; 277 278static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 279 { 12000000, 480000000, 960, 12, 2, 12 }, 280 { 13000000, 480000000, 960, 13, 2, 12 }, 281 { 16800000, 480000000, 400, 7, 2, 5 }, 282 { 19200000, 480000000, 200, 4, 2, 3 }, 283 { 26000000, 480000000, 960, 26, 2, 12 }, 284 { 0, 0, 0, 0, 0, 0 }, 285}; 286 287static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 288 /* 1.7 GHz */ 289 { 12000000, 1700000000, 850, 6, 1, 8 }, 290 { 13000000, 1700000000, 915, 7, 1, 8 }, /* actual: 1699.2 MHz */ 291 { 16800000, 1700000000, 708, 7, 1, 8 }, /* actual: 1699.2 MHz */ 292 { 19200000, 1700000000, 885, 10, 1, 8 }, /* actual: 1699.2 MHz */ 293 { 26000000, 1700000000, 850, 13, 1, 8 }, 294 /* 1.6 GHz */ 295 { 12000000, 1600000000, 800, 6, 1, 8 }, 296 { 13000000, 1600000000, 738, 6, 1, 8 }, /* actual: 1599.0 MHz */ 297 { 16800000, 1600000000, 857, 9, 1, 8 }, /* actual: 1599.7 MHz */ 298 { 19200000, 1600000000, 500, 6, 1, 8 }, 299 { 26000000, 1600000000, 800, 13, 1, 8 }, 300 /* 1.5 GHz */ 301 { 12000000, 1500000000, 750, 6, 1, 8 }, 302 { 13000000, 1500000000, 923, 8, 1, 8 }, /* actual: 1499.8 MHz */ 303 { 16800000, 1500000000, 625, 7, 1, 8 }, 304 { 19200000, 1500000000, 625, 8, 1, 8 }, 305 { 26000000, 1500000000, 750, 13, 1, 8 }, 306 /* 1.4 GHz */ 307 { 12000000, 1400000000, 700, 6, 1, 8 }, 308 { 13000000, 1400000000, 969, 9, 1, 8 }, /* actual: 1399.7 MHz */ 309 { 16800000, 1400000000, 1000, 12, 1, 8 }, 310 { 19200000, 1400000000, 875, 12, 1, 8 }, 311 { 26000000, 1400000000, 700, 13, 1, 8 }, 312 /* 1.3 GHz */ 313 { 12000000, 1300000000, 975, 9, 1, 8 }, 314 { 13000000, 1300000000, 1000, 10, 1, 8 }, 315 { 16800000, 1300000000, 928, 12, 1, 8 }, /* actual: 1299.2 MHz */ 316 { 19200000, 1300000000, 812, 12, 1, 8 }, /* actual: 1299.2 MHz */ 317 { 26000000, 1300000000, 650, 13, 1, 8 }, 318 /* 1.2 GHz */ 319 { 12000000, 1200000000, 1000, 10, 1, 8 }, 320 { 13000000, 1200000000, 923, 10, 1, 8 }, /* actual: 1199.9 MHz */ 321 { 16800000, 1200000000, 1000, 14, 1, 8 }, 322 { 19200000, 1200000000, 1000, 16, 1, 8 }, 323 { 26000000, 1200000000, 600, 13, 1, 8 }, 324 /* 1.1 GHz */ 325 { 12000000, 1100000000, 825, 9, 1, 8 }, 326 { 13000000, 1100000000, 846, 10, 1, 8 }, /* actual: 1099.8 MHz */ 327 { 16800000, 1100000000, 982, 15, 1, 8 }, /* actual: 1099.8 MHz */ 328 { 19200000, 1100000000, 859, 15, 1, 8 }, /* actual: 1099.5 MHz */ 329 { 26000000, 1100000000, 550, 13, 1, 8 }, 330 /* 1 GHz */ 331 { 12000000, 1000000000, 1000, 12, 1, 8 }, 332 { 13000000, 1000000000, 1000, 13, 1, 8 }, 333 { 16800000, 1000000000, 833, 14, 1, 8 }, /* actual: 999.6 MHz */ 334 { 19200000, 1000000000, 625, 12, 1, 8 }, 335 { 26000000, 1000000000, 1000, 26, 1, 8 }, 336 { 0, 0, 0, 0, 0, 0 }, 337}; 338 339static const struct pdiv_map plle_p[] = { 340 { .pdiv = 18, .hw_val = 18 }, 341 { .pdiv = 24, .hw_val = 24 }, 342 { .pdiv = 0, .hw_val = 0 }, 343}; 344 345static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 346 /* PLLE special case: use cpcon field to store cml divider value */ 347 { 12000000, 100000000, 150, 1, 18, 11 }, 348 { 216000000, 100000000, 200, 18, 24, 13 }, 349 { 0, 0, 0, 0, 0, 0 }, 350}; 351 352/* PLL parameters */ 353static struct tegra_clk_pll_params pll_c_params __ro_after_init = { 354 .input_min = 2000000, 355 .input_max = 31000000, 356 .cf_min = 1000000, 357 .cf_max = 6000000, 358 .vco_min = 20000000, 359 .vco_max = 1400000000, 360 .base_reg = PLLC_BASE, 361 .misc_reg = PLLC_MISC, 362 .lock_mask = PLL_BASE_LOCK, 363 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 364 .lock_delay = 300, 365 .freq_table = pll_c_freq_table, 366 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK | 367 TEGRA_PLL_HAS_LOCK_ENABLE, 368}; 369 370static struct div_nmp pllm_nmp = { 371 .divn_shift = 8, 372 .divn_width = 10, 373 .override_divn_shift = 5, 374 .divm_shift = 0, 375 .divm_width = 5, 376 .override_divm_shift = 0, 377 .divp_shift = 20, 378 .divp_width = 3, 379 .override_divp_shift = 15, 380}; 381 382static struct tegra_clk_pll_params pll_m_params __ro_after_init = { 383 .input_min = 2000000, 384 .input_max = 31000000, 385 .cf_min = 1000000, 386 .cf_max = 6000000, 387 .vco_min = 20000000, 388 .vco_max = 1200000000, 389 .base_reg = PLLM_BASE, 390 .misc_reg = PLLM_MISC, 391 .lock_mask = PLL_BASE_LOCK, 392 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 393 .lock_delay = 300, 394 .div_nmp = &pllm_nmp, 395 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 396 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE, 397 .freq_table = pll_m_freq_table, 398 .flags = TEGRA_PLLM | TEGRA_PLL_HAS_CPCON | 399 TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK | 400 TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_FIXED, 401}; 402 403static struct tegra_clk_pll_params pll_p_params __ro_after_init = { 404 .input_min = 2000000, 405 .input_max = 31000000, 406 .cf_min = 1000000, 407 .cf_max = 6000000, 408 .vco_min = 20000000, 409 .vco_max = 1400000000, 410 .base_reg = PLLP_BASE, 411 .misc_reg = PLLP_MISC, 412 .lock_mask = PLL_BASE_LOCK, 413 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 414 .lock_delay = 300, 415 .freq_table = pll_p_freq_table, 416 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK | 417 TEGRA_PLL_HAS_LOCK_ENABLE, 418 .fixed_rate = 408000000, 419}; 420 421static struct tegra_clk_pll_params pll_a_params = { 422 .input_min = 2000000, 423 .input_max = 31000000, 424 .cf_min = 1000000, 425 .cf_max = 6000000, 426 .vco_min = 20000000, 427 .vco_max = 1400000000, 428 .base_reg = PLLA_BASE, 429 .misc_reg = PLLA_MISC, 430 .lock_mask = PLL_BASE_LOCK, 431 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 432 .lock_delay = 300, 433 .freq_table = pll_a_freq_table, 434 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK | 435 TEGRA_PLL_HAS_LOCK_ENABLE, 436}; 437 438static struct tegra_clk_pll_params pll_d_params __ro_after_init = { 439 .input_min = 2000000, 440 .input_max = 40000000, 441 .cf_min = 1000000, 442 .cf_max = 6000000, 443 .vco_min = 40000000, 444 .vco_max = 1000000000, 445 .base_reg = PLLD_BASE, 446 .misc_reg = PLLD_MISC, 447 .lock_mask = PLL_BASE_LOCK, 448 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 449 .lock_delay = 1000, 450 .freq_table = pll_d_freq_table, 451 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 452 TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 453}; 454 455static struct tegra_clk_pll_params pll_d2_params __ro_after_init = { 456 .input_min = 2000000, 457 .input_max = 40000000, 458 .cf_min = 1000000, 459 .cf_max = 6000000, 460 .vco_min = 40000000, 461 .vco_max = 1000000000, 462 .base_reg = PLLD2_BASE, 463 .misc_reg = PLLD2_MISC, 464 .lock_mask = PLL_BASE_LOCK, 465 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 466 .lock_delay = 1000, 467 .freq_table = pll_d_freq_table, 468 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 469 TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 470}; 471 472static struct tegra_clk_pll_params pll_u_params __ro_after_init = { 473 .input_min = 2000000, 474 .input_max = 40000000, 475 .cf_min = 1000000, 476 .cf_max = 6000000, 477 .vco_min = 48000000, 478 .vco_max = 960000000, 479 .base_reg = PLLU_BASE, 480 .misc_reg = PLLU_MISC, 481 .lock_mask = PLL_BASE_LOCK, 482 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 483 .lock_delay = 1000, 484 .pdiv_tohw = pllu_p, 485 .freq_table = pll_u_freq_table, 486 .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 487 TEGRA_PLL_HAS_LOCK_ENABLE, 488}; 489 490static struct tegra_clk_pll_params pll_x_params __ro_after_init = { 491 .input_min = 2000000, 492 .input_max = 31000000, 493 .cf_min = 1000000, 494 .cf_max = 6000000, 495 .vco_min = 20000000, 496 .vco_max = 1700000000, 497 .base_reg = PLLX_BASE, 498 .misc_reg = PLLX_MISC, 499 .lock_mask = PLL_BASE_LOCK, 500 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 501 .lock_delay = 300, 502 .freq_table = pll_x_freq_table, 503 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_DCCON | 504 TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 505 .pre_rate_change = tegra_cclk_pre_pllx_rate_change, 506 .post_rate_change = tegra_cclk_post_pllx_rate_change, 507}; 508 509static struct tegra_clk_pll_params pll_e_params __ro_after_init = { 510 .input_min = 12000000, 511 .input_max = 216000000, 512 .cf_min = 12000000, 513 .cf_max = 12000000, 514 .vco_min = 1200000000, 515 .vco_max = 2400000000U, 516 .base_reg = PLLE_BASE, 517 .misc_reg = PLLE_MISC, 518 .lock_mask = PLLE_MISC_LOCK, 519 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 520 .lock_delay = 300, 521 .pdiv_tohw = plle_p, 522 .freq_table = pll_e_freq_table, 523 .flags = TEGRA_PLLE_CONFIGURE | TEGRA_PLL_FIXED | 524 TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_LOCK_MISC, 525 .fixed_rate = 100000000, 526}; 527 528static unsigned long tegra30_input_freq[] = { 529 [ 0] = 13000000, 530 [ 1] = 16800000, 531 [ 4] = 19200000, 532 [ 5] = 38400000, 533 [ 8] = 12000000, 534 [ 9] = 48000000, 535 [12] = 26000000, 536}; 537 538static struct tegra_devclk devclks[] = { 539 { .con_id = "pll_c", .dt_id = TEGRA30_CLK_PLL_C }, 540 { .con_id = "pll_c_out1", .dt_id = TEGRA30_CLK_PLL_C_OUT1 }, 541 { .con_id = "pll_p", .dt_id = TEGRA30_CLK_PLL_P }, 542 { .con_id = "pll_p_out1", .dt_id = TEGRA30_CLK_PLL_P_OUT1 }, 543 { .con_id = "pll_p_out2", .dt_id = TEGRA30_CLK_PLL_P_OUT2 }, 544 { .con_id = "pll_p_out3", .dt_id = TEGRA30_CLK_PLL_P_OUT3 }, 545 { .con_id = "pll_p_out4", .dt_id = TEGRA30_CLK_PLL_P_OUT4 }, 546 { .con_id = "pll_m", .dt_id = TEGRA30_CLK_PLL_M }, 547 { .con_id = "pll_m_out1", .dt_id = TEGRA30_CLK_PLL_M_OUT1 }, 548 { .con_id = "pll_x", .dt_id = TEGRA30_CLK_PLL_X }, 549 { .con_id = "pll_x_out0", .dt_id = TEGRA30_CLK_PLL_X_OUT0 }, 550 { .con_id = "pll_u", .dt_id = TEGRA30_CLK_PLL_U }, 551 { .con_id = "pll_d", .dt_id = TEGRA30_CLK_PLL_D }, 552 { .con_id = "pll_d_out0", .dt_id = TEGRA30_CLK_PLL_D_OUT0 }, 553 { .con_id = "pll_d2", .dt_id = TEGRA30_CLK_PLL_D2 }, 554 { .con_id = "pll_d2_out0", .dt_id = TEGRA30_CLK_PLL_D2_OUT0 }, 555 { .con_id = "pll_a", .dt_id = TEGRA30_CLK_PLL_A }, 556 { .con_id = "pll_a_out0", .dt_id = TEGRA30_CLK_PLL_A_OUT0 }, 557 { .con_id = "pll_e", .dt_id = TEGRA30_CLK_PLL_E }, 558 { .con_id = "spdif_in_sync", .dt_id = TEGRA30_CLK_SPDIF_IN_SYNC }, 559 { .con_id = "i2s0_sync", .dt_id = TEGRA30_CLK_I2S0_SYNC }, 560 { .con_id = "i2s1_sync", .dt_id = TEGRA30_CLK_I2S1_SYNC }, 561 { .con_id = "i2s2_sync", .dt_id = TEGRA30_CLK_I2S2_SYNC }, 562 { .con_id = "i2s3_sync", .dt_id = TEGRA30_CLK_I2S3_SYNC }, 563 { .con_id = "i2s4_sync", .dt_id = TEGRA30_CLK_I2S4_SYNC }, 564 { .con_id = "vimclk_sync", .dt_id = TEGRA30_CLK_VIMCLK_SYNC }, 565 { .con_id = "audio0", .dt_id = TEGRA30_CLK_AUDIO0 }, 566 { .con_id = "audio1", .dt_id = TEGRA30_CLK_AUDIO1 }, 567 { .con_id = "audio2", .dt_id = TEGRA30_CLK_AUDIO2 }, 568 { .con_id = "audio3", .dt_id = TEGRA30_CLK_AUDIO3 }, 569 { .con_id = "audio4", .dt_id = TEGRA30_CLK_AUDIO4 }, 570 { .con_id = "spdif", .dt_id = TEGRA30_CLK_SPDIF }, 571 { .con_id = "audio0_2x", .dt_id = TEGRA30_CLK_AUDIO0_2X }, 572 { .con_id = "audio1_2x", .dt_id = TEGRA30_CLK_AUDIO1_2X }, 573 { .con_id = "audio2_2x", .dt_id = TEGRA30_CLK_AUDIO2_2X }, 574 { .con_id = "audio3_2x", .dt_id = TEGRA30_CLK_AUDIO3_2X }, 575 { .con_id = "audio4_2x", .dt_id = TEGRA30_CLK_AUDIO4_2X }, 576 { .con_id = "spdif_2x", .dt_id = TEGRA30_CLK_SPDIF_2X }, 577 { .con_id = "extern1", .dt_id = TEGRA30_CLK_EXTERN1 }, 578 { .con_id = "extern2", .dt_id = TEGRA30_CLK_EXTERN2 }, 579 { .con_id = "extern3", .dt_id = TEGRA30_CLK_EXTERN3 }, 580 { .con_id = "cclk_g", .dt_id = TEGRA30_CLK_CCLK_G }, 581 { .con_id = "cclk_lp", .dt_id = TEGRA30_CLK_CCLK_LP }, 582 { .con_id = "sclk", .dt_id = TEGRA30_CLK_SCLK }, 583 { .con_id = "hclk", .dt_id = TEGRA30_CLK_HCLK }, 584 { .con_id = "pclk", .dt_id = TEGRA30_CLK_PCLK }, 585 { .con_id = "twd", .dt_id = TEGRA30_CLK_TWD }, 586 { .con_id = "emc", .dt_id = TEGRA30_CLK_EMC }, 587 { .con_id = "clk_32k", .dt_id = TEGRA30_CLK_CLK_32K }, 588 { .con_id = "osc", .dt_id = TEGRA30_CLK_OSC }, 589 { .con_id = "osc_div2", .dt_id = TEGRA30_CLK_OSC_DIV2 }, 590 { .con_id = "osc_div4", .dt_id = TEGRA30_CLK_OSC_DIV4 }, 591 { .con_id = "cml0", .dt_id = TEGRA30_CLK_CML0 }, 592 { .con_id = "cml1", .dt_id = TEGRA30_CLK_CML1 }, 593 { .con_id = "clk_m", .dt_id = TEGRA30_CLK_CLK_M }, 594 { .con_id = "pll_ref", .dt_id = TEGRA30_CLK_PLL_REF }, 595 { .con_id = "csus", .dev_id = "tengra_camera", .dt_id = TEGRA30_CLK_CSUS }, 596 { .con_id = "vcp", .dev_id = "tegra-avp", .dt_id = TEGRA30_CLK_VCP }, 597 { .con_id = "bsea", .dev_id = "tegra-avp", .dt_id = TEGRA30_CLK_BSEA }, 598 { .con_id = "bsev", .dev_id = "tegra-aes", .dt_id = TEGRA30_CLK_BSEV }, 599 { .con_id = "dsia", .dev_id = "tegradc.0", .dt_id = TEGRA30_CLK_DSIA }, 600 { .con_id = "csi", .dev_id = "tegra_camera", .dt_id = TEGRA30_CLK_CSI }, 601 { .con_id = "isp", .dev_id = "tegra_camera", .dt_id = TEGRA30_CLK_ISP }, 602 { .con_id = "pcie", .dev_id = "tegra-pcie", .dt_id = TEGRA30_CLK_PCIE }, 603 { .con_id = "afi", .dev_id = "tegra-pcie", .dt_id = TEGRA30_CLK_AFI }, 604 { .con_id = "fuse", .dt_id = TEGRA30_CLK_FUSE }, 605 { .con_id = "fuse_burn", .dev_id = "fuse-tegra", .dt_id = TEGRA30_CLK_FUSE_BURN }, 606 { .con_id = "apbif", .dev_id = "tegra30-ahub", .dt_id = TEGRA30_CLK_APBIF }, 607 { .con_id = "hda2hdmi", .dev_id = "tegra30-hda", .dt_id = TEGRA30_CLK_HDA2HDMI }, 608 { .dev_id = "tegra-apbdma", .dt_id = TEGRA30_CLK_APBDMA }, 609 { .dev_id = "rtc-tegra", .dt_id = TEGRA30_CLK_RTC }, 610 { .dev_id = "timer", .dt_id = TEGRA30_CLK_TIMER }, 611 { .dev_id = "tegra-kbc", .dt_id = TEGRA30_CLK_KBC }, 612 { .dev_id = "fsl-tegra-udc", .dt_id = TEGRA30_CLK_USBD }, 613 { .dev_id = "tegra-ehci.1", .dt_id = TEGRA30_CLK_USB2 }, 614 { .dev_id = "tegra-ehci.2", .dt_id = TEGRA30_CLK_USB2 }, 615 { .dev_id = "kfuse-tegra", .dt_id = TEGRA30_CLK_KFUSE }, 616 { .dev_id = "tegra_sata_cold", .dt_id = TEGRA30_CLK_SATA_COLD }, 617 { .dev_id = "dtv", .dt_id = TEGRA30_CLK_DTV }, 618 { .dev_id = "tegra30-i2s.0", .dt_id = TEGRA30_CLK_I2S0 }, 619 { .dev_id = "tegra30-i2s.1", .dt_id = TEGRA30_CLK_I2S1 }, 620 { .dev_id = "tegra30-i2s.2", .dt_id = TEGRA30_CLK_I2S2 }, 621 { .dev_id = "tegra30-i2s.3", .dt_id = TEGRA30_CLK_I2S3 }, 622 { .dev_id = "tegra30-i2s.4", .dt_id = TEGRA30_CLK_I2S4 }, 623 { .con_id = "spdif_out", .dev_id = "tegra30-spdif", .dt_id = TEGRA30_CLK_SPDIF_OUT }, 624 { .con_id = "spdif_in", .dev_id = "tegra30-spdif", .dt_id = TEGRA30_CLK_SPDIF_IN }, 625 { .con_id = "d_audio", .dev_id = "tegra30-ahub", .dt_id = TEGRA30_CLK_D_AUDIO }, 626 { .dev_id = "tegra30-dam.0", .dt_id = TEGRA30_CLK_DAM0 }, 627 { .dev_id = "tegra30-dam.1", .dt_id = TEGRA30_CLK_DAM1 }, 628 { .dev_id = "tegra30-dam.2", .dt_id = TEGRA30_CLK_DAM2 }, 629 { .con_id = "hda", .dev_id = "tegra30-hda", .dt_id = TEGRA30_CLK_HDA }, 630 { .con_id = "hda2codec_2x", .dev_id = "tegra30-hda", .dt_id = TEGRA30_CLK_HDA2CODEC_2X }, 631 { .dev_id = "spi_tegra.0", .dt_id = TEGRA30_CLK_SBC1 }, 632 { .dev_id = "spi_tegra.1", .dt_id = TEGRA30_CLK_SBC2 }, 633 { .dev_id = "spi_tegra.2", .dt_id = TEGRA30_CLK_SBC3 }, 634 { .dev_id = "spi_tegra.3", .dt_id = TEGRA30_CLK_SBC4 }, 635 { .dev_id = "spi_tegra.4", .dt_id = TEGRA30_CLK_SBC5 }, 636 { .dev_id = "spi_tegra.5", .dt_id = TEGRA30_CLK_SBC6 }, 637 { .dev_id = "tegra_sata_oob", .dt_id = TEGRA30_CLK_SATA_OOB }, 638 { .dev_id = "tegra_sata", .dt_id = TEGRA30_CLK_SATA }, 639 { .dev_id = "tegra_nand", .dt_id = TEGRA30_CLK_NDFLASH }, 640 { .dev_id = "tegra_nand_speed", .dt_id = TEGRA30_CLK_NDSPEED }, 641 { .dev_id = "vfir", .dt_id = TEGRA30_CLK_VFIR }, 642 { .dev_id = "csite", .dt_id = TEGRA30_CLK_CSITE }, 643 { .dev_id = "la", .dt_id = TEGRA30_CLK_LA }, 644 { .dev_id = "tegra_w1", .dt_id = TEGRA30_CLK_OWR }, 645 { .dev_id = "mipi", .dt_id = TEGRA30_CLK_MIPI }, 646 { .dev_id = "tegra-tsensor", .dt_id = TEGRA30_CLK_TSENSOR }, 647 { .dev_id = "i2cslow", .dt_id = TEGRA30_CLK_I2CSLOW }, 648 { .dev_id = "vde", .dt_id = TEGRA30_CLK_VDE }, 649 { .con_id = "vi", .dev_id = "tegra_camera", .dt_id = TEGRA30_CLK_VI }, 650 { .dev_id = "epp", .dt_id = TEGRA30_CLK_EPP }, 651 { .dev_id = "mpe", .dt_id = TEGRA30_CLK_MPE }, 652 { .dev_id = "host1x", .dt_id = TEGRA30_CLK_HOST1X }, 653 { .dev_id = "3d", .dt_id = TEGRA30_CLK_GR3D }, 654 { .dev_id = "3d2", .dt_id = TEGRA30_CLK_GR3D2 }, 655 { .dev_id = "2d", .dt_id = TEGRA30_CLK_GR2D }, 656 { .dev_id = "se", .dt_id = TEGRA30_CLK_SE }, 657 { .dev_id = "mselect", .dt_id = TEGRA30_CLK_MSELECT }, 658 { .dev_id = "tegra-nor", .dt_id = TEGRA30_CLK_NOR }, 659 { .dev_id = "sdhci-tegra.0", .dt_id = TEGRA30_CLK_SDMMC1 }, 660 { .dev_id = "sdhci-tegra.1", .dt_id = TEGRA30_CLK_SDMMC2 }, 661 { .dev_id = "sdhci-tegra.2", .dt_id = TEGRA30_CLK_SDMMC3 }, 662 { .dev_id = "sdhci-tegra.3", .dt_id = TEGRA30_CLK_SDMMC4 }, 663 { .dev_id = "cve", .dt_id = TEGRA30_CLK_CVE }, 664 { .dev_id = "tvo", .dt_id = TEGRA30_CLK_TVO }, 665 { .dev_id = "tvdac", .dt_id = TEGRA30_CLK_TVDAC }, 666 { .dev_id = "actmon", .dt_id = TEGRA30_CLK_ACTMON }, 667 { .con_id = "vi_sensor", .dev_id = "tegra_camera", .dt_id = TEGRA30_CLK_VI_SENSOR }, 668 { .con_id = "div-clk", .dev_id = "tegra-i2c.0", .dt_id = TEGRA30_CLK_I2C1 }, 669 { .con_id = "div-clk", .dev_id = "tegra-i2c.1", .dt_id = TEGRA30_CLK_I2C2 }, 670 { .con_id = "div-clk", .dev_id = "tegra-i2c.2", .dt_id = TEGRA30_CLK_I2C3 }, 671 { .con_id = "div-clk", .dev_id = "tegra-i2c.3", .dt_id = TEGRA30_CLK_I2C4 }, 672 { .con_id = "div-clk", .dev_id = "tegra-i2c.4", .dt_id = TEGRA30_CLK_I2C5 }, 673 { .dev_id = "tegra_uart.0", .dt_id = TEGRA30_CLK_UARTA }, 674 { .dev_id = "tegra_uart.1", .dt_id = TEGRA30_CLK_UARTB }, 675 { .dev_id = "tegra_uart.2", .dt_id = TEGRA30_CLK_UARTC }, 676 { .dev_id = "tegra_uart.3", .dt_id = TEGRA30_CLK_UARTD }, 677 { .dev_id = "tegra_uart.4", .dt_id = TEGRA30_CLK_UARTE }, 678 { .dev_id = "hdmi", .dt_id = TEGRA30_CLK_HDMI }, 679 { .dev_id = "extern1", .dt_id = TEGRA30_CLK_EXTERN1 }, 680 { .dev_id = "extern2", .dt_id = TEGRA30_CLK_EXTERN2 }, 681 { .dev_id = "extern3", .dt_id = TEGRA30_CLK_EXTERN3 }, 682 { .dev_id = "pwm", .dt_id = TEGRA30_CLK_PWM }, 683 { .dev_id = "tegradc.0", .dt_id = TEGRA30_CLK_DISP1 }, 684 { .dev_id = "tegradc.1", .dt_id = TEGRA30_CLK_DISP2 }, 685 { .dev_id = "tegradc.1", .dt_id = TEGRA30_CLK_DSIB }, 686}; 687 688static struct tegra_clk tegra30_clks[tegra_clk_max] __initdata = { 689 [tegra_clk_clk_32k] = { .dt_id = TEGRA30_CLK_CLK_32K, .present = true }, 690 [tegra_clk_clk_m] = { .dt_id = TEGRA30_CLK_CLK_M, .present = true }, 691 [tegra_clk_osc] = { .dt_id = TEGRA30_CLK_OSC, .present = true }, 692 [tegra_clk_osc_div2] = { .dt_id = TEGRA30_CLK_OSC_DIV2, .present = true }, 693 [tegra_clk_osc_div4] = { .dt_id = TEGRA30_CLK_OSC_DIV4, .present = true }, 694 [tegra_clk_pll_ref] = { .dt_id = TEGRA30_CLK_PLL_REF, .present = true }, 695 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA30_CLK_SPDIF_IN_SYNC, .present = true }, 696 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA30_CLK_I2S0_SYNC, .present = true }, 697 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA30_CLK_I2S1_SYNC, .present = true }, 698 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA30_CLK_I2S2_SYNC, .present = true }, 699 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA30_CLK_I2S3_SYNC, .present = true }, 700 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA30_CLK_I2S4_SYNC, .present = true }, 701 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA30_CLK_VIMCLK_SYNC, .present = true }, 702 [tegra_clk_audio0] = { .dt_id = TEGRA30_CLK_AUDIO0, .present = true }, 703 [tegra_clk_audio1] = { .dt_id = TEGRA30_CLK_AUDIO1, .present = true }, 704 [tegra_clk_audio2] = { .dt_id = TEGRA30_CLK_AUDIO2, .present = true }, 705 [tegra_clk_audio3] = { .dt_id = TEGRA30_CLK_AUDIO3, .present = true }, 706 [tegra_clk_audio4] = { .dt_id = TEGRA30_CLK_AUDIO4, .present = true }, 707 [tegra_clk_spdif] = { .dt_id = TEGRA30_CLK_SPDIF, .present = true }, 708 [tegra_clk_audio0_mux] = { .dt_id = TEGRA30_CLK_AUDIO0_MUX, .present = true }, 709 [tegra_clk_audio1_mux] = { .dt_id = TEGRA30_CLK_AUDIO1_MUX, .present = true }, 710 [tegra_clk_audio2_mux] = { .dt_id = TEGRA30_CLK_AUDIO2_MUX, .present = true }, 711 [tegra_clk_audio3_mux] = { .dt_id = TEGRA30_CLK_AUDIO3_MUX, .present = true }, 712 [tegra_clk_audio4_mux] = { .dt_id = TEGRA30_CLK_AUDIO4_MUX, .present = true }, 713 [tegra_clk_spdif_mux] = { .dt_id = TEGRA30_CLK_SPDIF_MUX, .present = true }, 714 [tegra_clk_audio0_2x] = { .dt_id = TEGRA30_CLK_AUDIO0_2X, .present = true }, 715 [tegra_clk_audio1_2x] = { .dt_id = TEGRA30_CLK_AUDIO1_2X, .present = true }, 716 [tegra_clk_audio2_2x] = { .dt_id = TEGRA30_CLK_AUDIO2_2X, .present = true }, 717 [tegra_clk_audio3_2x] = { .dt_id = TEGRA30_CLK_AUDIO3_2X, .present = true }, 718 [tegra_clk_audio4_2x] = { .dt_id = TEGRA30_CLK_AUDIO4_2X, .present = true }, 719 [tegra_clk_spdif_2x] = { .dt_id = TEGRA30_CLK_SPDIF_2X, .present = true }, 720 [tegra_clk_hclk] = { .dt_id = TEGRA30_CLK_HCLK, .present = true }, 721 [tegra_clk_pclk] = { .dt_id = TEGRA30_CLK_PCLK, .present = true }, 722 [tegra_clk_i2s0] = { .dt_id = TEGRA30_CLK_I2S0, .present = true }, 723 [tegra_clk_i2s1] = { .dt_id = TEGRA30_CLK_I2S1, .present = true }, 724 [tegra_clk_i2s2] = { .dt_id = TEGRA30_CLK_I2S2, .present = true }, 725 [tegra_clk_i2s3] = { .dt_id = TEGRA30_CLK_I2S3, .present = true }, 726 [tegra_clk_i2s4] = { .dt_id = TEGRA30_CLK_I2S4, .present = true }, 727 [tegra_clk_spdif_in] = { .dt_id = TEGRA30_CLK_SPDIF_IN, .present = true }, 728 [tegra_clk_hda] = { .dt_id = TEGRA30_CLK_HDA, .present = true }, 729 [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA30_CLK_HDA2CODEC_2X, .present = true }, 730 [tegra_clk_sbc1] = { .dt_id = TEGRA30_CLK_SBC1, .present = true }, 731 [tegra_clk_sbc2] = { .dt_id = TEGRA30_CLK_SBC2, .present = true }, 732 [tegra_clk_sbc3] = { .dt_id = TEGRA30_CLK_SBC3, .present = true }, 733 [tegra_clk_sbc4] = { .dt_id = TEGRA30_CLK_SBC4, .present = true }, 734 [tegra_clk_sbc5] = { .dt_id = TEGRA30_CLK_SBC5, .present = true }, 735 [tegra_clk_sbc6] = { .dt_id = TEGRA30_CLK_SBC6, .present = true }, 736 [tegra_clk_ndflash] = { .dt_id = TEGRA30_CLK_NDFLASH, .present = true }, 737 [tegra_clk_ndspeed] = { .dt_id = TEGRA30_CLK_NDSPEED, .present = true }, 738 [tegra_clk_vfir] = { .dt_id = TEGRA30_CLK_VFIR, .present = true }, 739 [tegra_clk_la] = { .dt_id = TEGRA30_CLK_LA, .present = true }, 740 [tegra_clk_csite] = { .dt_id = TEGRA30_CLK_CSITE, .present = true }, 741 [tegra_clk_owr] = { .dt_id = TEGRA30_CLK_OWR, .present = true }, 742 [tegra_clk_mipi] = { .dt_id = TEGRA30_CLK_MIPI, .present = true }, 743 [tegra_clk_tsensor] = { .dt_id = TEGRA30_CLK_TSENSOR, .present = true }, 744 [tegra_clk_i2cslow] = { .dt_id = TEGRA30_CLK_I2CSLOW, .present = true }, 745 [tegra_clk_vde] = { .dt_id = TEGRA30_CLK_VDE, .present = true }, 746 [tegra_clk_vi] = { .dt_id = TEGRA30_CLK_VI, .present = true }, 747 [tegra_clk_epp] = { .dt_id = TEGRA30_CLK_EPP, .present = true }, 748 [tegra_clk_mpe] = { .dt_id = TEGRA30_CLK_MPE, .present = true }, 749 [tegra_clk_host1x] = { .dt_id = TEGRA30_CLK_HOST1X, .present = true }, 750 [tegra_clk_gr2d] = { .dt_id = TEGRA30_CLK_GR2D, .present = true }, 751 [tegra_clk_gr3d] = { .dt_id = TEGRA30_CLK_GR3D, .present = true }, 752 [tegra_clk_mselect] = { .dt_id = TEGRA30_CLK_MSELECT, .present = true }, 753 [tegra_clk_nor] = { .dt_id = TEGRA30_CLK_NOR, .present = true }, 754 [tegra_clk_sdmmc1] = { .dt_id = TEGRA30_CLK_SDMMC1, .present = true }, 755 [tegra_clk_sdmmc2] = { .dt_id = TEGRA30_CLK_SDMMC2, .present = true }, 756 [tegra_clk_sdmmc3] = { .dt_id = TEGRA30_CLK_SDMMC3, .present = true }, 757 [tegra_clk_sdmmc4] = { .dt_id = TEGRA30_CLK_SDMMC4, .present = true }, 758 [tegra_clk_cve] = { .dt_id = TEGRA30_CLK_CVE, .present = true }, 759 [tegra_clk_tvo] = { .dt_id = TEGRA30_CLK_TVO, .present = true }, 760 [tegra_clk_tvdac] = { .dt_id = TEGRA30_CLK_TVDAC, .present = true }, 761 [tegra_clk_actmon] = { .dt_id = TEGRA30_CLK_ACTMON, .present = true }, 762 [tegra_clk_vi_sensor] = { .dt_id = TEGRA30_CLK_VI_SENSOR, .present = true }, 763 [tegra_clk_i2c1] = { .dt_id = TEGRA30_CLK_I2C1, .present = true }, 764 [tegra_clk_i2c2] = { .dt_id = TEGRA30_CLK_I2C2, .present = true }, 765 [tegra_clk_i2c3] = { .dt_id = TEGRA30_CLK_I2C3, .present = true }, 766 [tegra_clk_i2c4] = { .dt_id = TEGRA30_CLK_I2C4, .present = true }, 767 [tegra_clk_i2c5] = { .dt_id = TEGRA30_CLK_I2C5, .present = true }, 768 [tegra_clk_uarta] = { .dt_id = TEGRA30_CLK_UARTA, .present = true }, 769 [tegra_clk_uartb] = { .dt_id = TEGRA30_CLK_UARTB, .present = true }, 770 [tegra_clk_uartc] = { .dt_id = TEGRA30_CLK_UARTC, .present = true }, 771 [tegra_clk_uartd] = { .dt_id = TEGRA30_CLK_UARTD, .present = true }, 772 [tegra_clk_uarte] = { .dt_id = TEGRA30_CLK_UARTE, .present = true }, 773 [tegra_clk_extern1] = { .dt_id = TEGRA30_CLK_EXTERN1, .present = true }, 774 [tegra_clk_extern2] = { .dt_id = TEGRA30_CLK_EXTERN2, .present = true }, 775 [tegra_clk_extern3] = { .dt_id = TEGRA30_CLK_EXTERN3, .present = true }, 776 [tegra_clk_disp1] = { .dt_id = TEGRA30_CLK_DISP1, .present = true }, 777 [tegra_clk_disp2] = { .dt_id = TEGRA30_CLK_DISP2, .present = true }, 778 [tegra_clk_ahbdma] = { .dt_id = TEGRA30_CLK_AHBDMA, .present = true }, 779 [tegra_clk_apbdma] = { .dt_id = TEGRA30_CLK_APBDMA, .present = true }, 780 [tegra_clk_rtc] = { .dt_id = TEGRA30_CLK_RTC, .present = true }, 781 [tegra_clk_timer] = { .dt_id = TEGRA30_CLK_TIMER, .present = true }, 782 [tegra_clk_kbc] = { .dt_id = TEGRA30_CLK_KBC, .present = true }, 783 [tegra_clk_csus] = { .dt_id = TEGRA30_CLK_CSUS, .present = true }, 784 [tegra_clk_vcp] = { .dt_id = TEGRA30_CLK_VCP, .present = true }, 785 [tegra_clk_bsea] = { .dt_id = TEGRA30_CLK_BSEA, .present = true }, 786 [tegra_clk_bsev] = { .dt_id = TEGRA30_CLK_BSEV, .present = true }, 787 [tegra_clk_usbd] = { .dt_id = TEGRA30_CLK_USBD, .present = true }, 788 [tegra_clk_usb2] = { .dt_id = TEGRA30_CLK_USB2, .present = true }, 789 [tegra_clk_usb3] = { .dt_id = TEGRA30_CLK_USB3, .present = true }, 790 [tegra_clk_csi] = { .dt_id = TEGRA30_CLK_CSI, .present = true }, 791 [tegra_clk_isp] = { .dt_id = TEGRA30_CLK_ISP, .present = true }, 792 [tegra_clk_kfuse] = { .dt_id = TEGRA30_CLK_KFUSE, .present = true }, 793 [tegra_clk_fuse] = { .dt_id = TEGRA30_CLK_FUSE, .present = true }, 794 [tegra_clk_fuse_burn] = { .dt_id = TEGRA30_CLK_FUSE_BURN, .present = true }, 795 [tegra_clk_apbif] = { .dt_id = TEGRA30_CLK_APBIF, .present = true }, 796 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA30_CLK_HDA2HDMI, .present = true }, 797 [tegra_clk_sata_cold] = { .dt_id = TEGRA30_CLK_SATA_COLD, .present = true }, 798 [tegra_clk_sata_oob] = { .dt_id = TEGRA30_CLK_SATA_OOB, .present = true }, 799 [tegra_clk_sata] = { .dt_id = TEGRA30_CLK_SATA, .present = true }, 800 [tegra_clk_dtv] = { .dt_id = TEGRA30_CLK_DTV, .present = true }, 801 [tegra_clk_pll_p] = { .dt_id = TEGRA30_CLK_PLL_P, .present = true }, 802 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA30_CLK_PLL_P_OUT1, .present = true }, 803 [tegra_clk_pll_p_out2] = { .dt_id = TEGRA30_CLK_PLL_P_OUT2, .present = true }, 804 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA30_CLK_PLL_P_OUT3, .present = true }, 805 [tegra_clk_pll_p_out4] = { .dt_id = TEGRA30_CLK_PLL_P_OUT4, .present = true }, 806 [tegra_clk_pll_a] = { .dt_id = TEGRA30_CLK_PLL_A, .present = true }, 807 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA30_CLK_PLL_A_OUT0, .present = true }, 808 [tegra_clk_cec] = { .dt_id = TEGRA30_CLK_CEC, .present = true }, 809 [tegra_clk_emc] = { .dt_id = TEGRA30_CLK_EMC, .present = false }, 810}; 811 812static const char *pll_e_parents[] = { "pll_ref", "pll_p" }; 813 814static void __init tegra30_pll_init(void) 815{ 816 struct clk *clk; 817 818 /* PLLC_OUT1 */ 819 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 820 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 821 8, 8, 1, NULL); 822 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 823 clk_base + PLLC_OUT, 1, 0, CLK_SET_RATE_PARENT, 824 0, NULL); 825 clks[TEGRA30_CLK_PLL_C_OUT1] = clk; 826 827 /* PLLM_OUT1 */ 828 clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m", 829 clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 830 8, 8, 1, NULL); 831 clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div", 832 clk_base + PLLM_OUT, 1, 0, 833 CLK_SET_RATE_PARENT, 0, NULL); 834 clks[TEGRA30_CLK_PLL_M_OUT1] = clk; 835 836 /* PLLX */ 837 clk = tegra_clk_register_pll("pll_x", "pll_ref", clk_base, pmc_base, 0, 838 &pll_x_params, NULL); 839 clks[TEGRA30_CLK_PLL_X] = clk; 840 841 /* PLLX_OUT0 */ 842 clk = clk_register_fixed_factor(NULL, "pll_x_out0", "pll_x", 843 CLK_SET_RATE_PARENT, 1, 2); 844 clks[TEGRA30_CLK_PLL_X_OUT0] = clk; 845 846 /* PLLU */ 847 clk = tegra_clk_register_pllu("pll_u", "pll_ref", clk_base, 0, 848 &pll_u_params, NULL); 849 clks[TEGRA30_CLK_PLL_U] = clk; 850 851 /* PLLD */ 852 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc_base, 0, 853 &pll_d_params, &pll_d_lock); 854 clks[TEGRA30_CLK_PLL_D] = clk; 855 856 /* PLLD_OUT0 */ 857 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 858 CLK_SET_RATE_PARENT, 1, 2); 859 clks[TEGRA30_CLK_PLL_D_OUT0] = clk; 860 861 /* PLLD2 */ 862 clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc_base, 0, 863 &pll_d2_params, NULL); 864 clks[TEGRA30_CLK_PLL_D2] = clk; 865 866 /* PLLD2_OUT0 */ 867 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 868 CLK_SET_RATE_PARENT, 1, 2); 869 clks[TEGRA30_CLK_PLL_D2_OUT0] = clk; 870 871 /* PLLE */ 872 clk = clk_register_mux(NULL, "pll_e_mux", pll_e_parents, 873 ARRAY_SIZE(pll_e_parents), 874 CLK_SET_RATE_NO_REPARENT, 875 clk_base + PLLE_AUX, 2, 1, 0, NULL); 876} 877 878static const char *cclk_g_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m", 879 "pll_p_cclkg", "pll_p_out4_cclkg", 880 "pll_p_out3_cclkg", "unused", "pll_x" }; 881static const char *cclk_lp_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m", 882 "pll_p_cclklp", "pll_p_out4_cclklp", 883 "pll_p_out3_cclklp", "unused", "pll_x", 884 "pll_x_out0" }; 885static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4", 886 "pll_p_out3", "pll_p_out2", "unused", 887 "clk_32k", "pll_m_out1" }; 888 889static void __init tegra30_super_clk_init(void) 890{ 891 struct clk *clk; 892 893 /* 894 * Clock input to cclk_g divided from pll_p using 895 * U71 divider of cclk_g. 896 */ 897 clk = tegra_clk_register_divider("pll_p_cclkg", "pll_p", 898 clk_base + SUPER_CCLKG_DIVIDER, 0, 899 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 900 clk_register_clkdev(clk, "pll_p_cclkg", NULL); 901 902 /* 903 * Clock input to cclk_g divided from pll_p_out3 using 904 * U71 divider of cclk_g. 905 */ 906 clk = tegra_clk_register_divider("pll_p_out3_cclkg", "pll_p_out3", 907 clk_base + SUPER_CCLKG_DIVIDER, 0, 908 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 909 clk_register_clkdev(clk, "pll_p_out3_cclkg", NULL); 910 911 /* 912 * Clock input to cclk_g divided from pll_p_out4 using 913 * U71 divider of cclk_g. 914 */ 915 clk = tegra_clk_register_divider("pll_p_out4_cclkg", "pll_p_out4", 916 clk_base + SUPER_CCLKG_DIVIDER, 0, 917 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 918 clk_register_clkdev(clk, "pll_p_out4_cclkg", NULL); 919 920 /* CCLKG */ 921 clk = tegra_clk_register_super_cclk("cclk_g", cclk_g_parents, 922 ARRAY_SIZE(cclk_g_parents), 923 CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE, 924 clk_base + CCLKG_BURST_POLICY, 925 0, NULL); 926 clks[TEGRA30_CLK_CCLK_G] = clk; 927 928 /* 929 * Clock input to cclk_lp divided from pll_p using 930 * U71 divider of cclk_lp. 931 */ 932 clk = tegra_clk_register_divider("pll_p_cclklp", "pll_p", 933 clk_base + SUPER_CCLKLP_DIVIDER, 0, 934 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 935 clk_register_clkdev(clk, "pll_p_cclklp", NULL); 936 937 /* 938 * Clock input to cclk_lp divided from pll_p_out3 using 939 * U71 divider of cclk_lp. 940 */ 941 clk = tegra_clk_register_divider("pll_p_out3_cclklp", "pll_p_out3", 942 clk_base + SUPER_CCLKLP_DIVIDER, 0, 943 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 944 clk_register_clkdev(clk, "pll_p_out3_cclklp", NULL); 945 946 /* 947 * Clock input to cclk_lp divided from pll_p_out4 using 948 * U71 divider of cclk_lp. 949 */ 950 clk = tegra_clk_register_divider("pll_p_out4_cclklp", "pll_p_out4", 951 clk_base + SUPER_CCLKLP_DIVIDER, 0, 952 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 953 clk_register_clkdev(clk, "pll_p_out4_cclklp", NULL); 954 955 /* CCLKLP */ 956 clk = tegra_clk_register_super_mux("cclk_lp", cclk_lp_parents, 957 ARRAY_SIZE(cclk_lp_parents), 958 CLK_SET_RATE_PARENT, 959 clk_base + CCLKLP_BURST_POLICY, 960 TEGRA_DIVIDER_2, 4, 8, 9, 961 NULL); 962 clks[TEGRA30_CLK_CCLK_LP] = clk; 963 964 /* twd */ 965 clk = clk_register_fixed_factor(NULL, "twd", "cclk_g", 966 CLK_SET_RATE_PARENT, 1, 2); 967 clks[TEGRA30_CLK_TWD] = clk; 968 969 tegra_super_clk_gen4_init(clk_base, pmc_base, tegra30_clks, NULL); 970} 971 972static const char *mux_pllacp_clkm[] = { "pll_a_out0", "unused", "pll_p", 973 "clk_m" }; 974static const char *mux_pllpcm_clkm[] = { "pll_p", "pll_c", "pll_m", "clk_m" }; 975static const char *spdif_out_parents[] = { "pll_a_out0", "spdif_2x", "pll_p", 976 "clk_m" }; 977static const char *mux_pllmcpa[] = { "pll_m", "pll_c", "pll_p", "pll_a_out0" }; 978static const char *mux_pllpmdacd2_clkm[] = { "pll_p", "pll_m", "pll_d_out0", 979 "pll_a_out0", "pll_c", 980 "pll_d2_out0", "clk_m" }; 981static const char *mux_plld_out0_plld2_out0[] = { "pll_d_out0", 982 "pll_d2_out0" }; 983static const char *pwm_parents[] = { "pll_p", "pll_c", "clk_32k", "clk_m" }; 984 985static struct tegra_periph_init_data tegra_periph_clk_list[] = { 986 TEGRA_INIT_DATA_MUX("spdif_out", spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10, TEGRA_PERIPH_ON_APB, TEGRA30_CLK_SPDIF_OUT), 987 TEGRA_INIT_DATA_MUX("d_audio", mux_pllacp_clkm, CLK_SOURCE_D_AUDIO, 106, 0, TEGRA30_CLK_D_AUDIO), 988 TEGRA_INIT_DATA_MUX("dam0", mux_pllacp_clkm, CLK_SOURCE_DAM0, 108, 0, TEGRA30_CLK_DAM0), 989 TEGRA_INIT_DATA_MUX("dam1", mux_pllacp_clkm, CLK_SOURCE_DAM1, 109, 0, TEGRA30_CLK_DAM1), 990 TEGRA_INIT_DATA_MUX("dam2", mux_pllacp_clkm, CLK_SOURCE_DAM2, 110, 0, TEGRA30_CLK_DAM2), 991 TEGRA_INIT_DATA_INT("3d2", mux_pllmcpa, CLK_SOURCE_3D2, 98, 0, TEGRA30_CLK_GR3D2), 992 TEGRA_INIT_DATA_INT("se", mux_pllpcm_clkm, CLK_SOURCE_SE, 127, 0, TEGRA30_CLK_SE), 993 TEGRA_INIT_DATA_MUX8("hdmi", mux_pllpmdacd2_clkm, CLK_SOURCE_HDMI, 51, 0, TEGRA30_CLK_HDMI), 994 TEGRA_INIT_DATA("pwm", NULL, NULL, pwm_parents, CLK_SOURCE_PWM, 28, 2, 0, 0, 8, 1, 0, 17, TEGRA_PERIPH_ON_APB, TEGRA30_CLK_PWM), 995}; 996 997static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = { 998 TEGRA_INIT_DATA_NODIV("dsib", mux_plld_out0_plld2_out0, CLK_SOURCE_DSIB, 25, 1, 82, 0, TEGRA30_CLK_DSIB), 999}; 1000 1001static void __init tegra30_periph_clk_init(void) 1002{ 1003 struct tegra_periph_init_data *data; 1004 struct clk *clk; 1005 unsigned int i; 1006 1007 /* dsia */ 1008 clk = tegra_clk_register_periph_gate("dsia", "pll_d_out0", 0, clk_base, 1009 0, 48, periph_clk_enb_refcnt); 1010 clks[TEGRA30_CLK_DSIA] = clk; 1011 1012 /* pcie */ 1013 clk = tegra_clk_register_periph_gate("pcie", "clk_m", 0, clk_base, 0, 1014 70, periph_clk_enb_refcnt); 1015 clks[TEGRA30_CLK_PCIE] = clk; 1016 1017 /* afi */ 1018 clk = tegra_clk_register_periph_gate("afi", "clk_m", 0, clk_base, 0, 72, 1019 periph_clk_enb_refcnt); 1020 clks[TEGRA30_CLK_AFI] = clk; 1021 1022 /* emc */ 1023 clk = tegra20_clk_register_emc(clk_base + CLK_SOURCE_EMC, true); 1024 1025 clks[TEGRA30_CLK_EMC] = clk; 1026 1027 clk = tegra_clk_register_mc("mc", "emc", clk_base + CLK_SOURCE_EMC, 1028 NULL); 1029 clks[TEGRA30_CLK_MC] = clk; 1030 1031 /* cml0 */ 1032 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 1033 0, 0, &cml_lock); 1034 clks[TEGRA30_CLK_CML0] = clk; 1035 1036 /* cml1 */ 1037 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 1038 1, 0, &cml_lock); 1039 clks[TEGRA30_CLK_CML1] = clk; 1040 1041 for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) { 1042 data = &tegra_periph_clk_list[i]; 1043 clk = tegra_clk_register_periph_data(clk_base, data); 1044 clks[data->clk_id] = clk; 1045 } 1046 1047 for (i = 0; i < ARRAY_SIZE(tegra_periph_nodiv_clk_list); i++) { 1048 data = &tegra_periph_nodiv_clk_list[i]; 1049 clk = tegra_clk_register_periph_nodiv(data->name, 1050 data->p.parent_names, 1051 data->num_parents, &data->periph, 1052 clk_base, data->offset); 1053 clks[data->clk_id] = clk; 1054 } 1055 1056 tegra_periph_clk_init(clk_base, pmc_base, tegra30_clks, &pll_p_params); 1057} 1058 1059/* Tegra30 CPU clock and reset control functions */ 1060static void tegra30_wait_cpu_in_reset(u32 cpu) 1061{ 1062 unsigned int reg; 1063 1064 do { 1065 reg = readl(clk_base + 1066 TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 1067 cpu_relax(); 1068 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 1069 1070 return; 1071} 1072 1073static void tegra30_put_cpu_in_reset(u32 cpu) 1074{ 1075 writel(CPU_RESET(cpu), 1076 clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET); 1077 dmb(); 1078} 1079 1080static void tegra30_cpu_out_of_reset(u32 cpu) 1081{ 1082 writel(CPU_RESET(cpu), 1083 clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR); 1084 wmb(); 1085} 1086 1087static void tegra30_enable_cpu_clock(u32 cpu) 1088{ 1089 writel(CPU_CLOCK(cpu), 1090 clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR); 1091 readl(clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR); 1092} 1093 1094static void tegra30_disable_cpu_clock(u32 cpu) 1095{ 1096 unsigned int reg; 1097 1098 reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX); 1099 writel(reg | CPU_CLOCK(cpu), 1100 clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX); 1101} 1102 1103#ifdef CONFIG_PM_SLEEP 1104static bool tegra30_cpu_rail_off_ready(void) 1105{ 1106 unsigned int cpu_rst_status; 1107 int cpu_pwr_status; 1108 1109 cpu_rst_status = readl(clk_base + 1110 TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 1111 cpu_pwr_status = tegra_pmc_cpu_is_powered(1) || 1112 tegra_pmc_cpu_is_powered(2) || 1113 tegra_pmc_cpu_is_powered(3); 1114 1115 if (((cpu_rst_status & 0xE) != 0xE) || cpu_pwr_status) 1116 return false; 1117 1118 return true; 1119} 1120 1121static void tegra30_cpu_clock_suspend(void) 1122{ 1123 /* switch coresite to clk_m, save off original source */ 1124 tegra30_cpu_clk_sctx.clk_csite_src = 1125 readl(clk_base + CLK_RESET_SOURCE_CSITE); 1126 writel(3 << 30, clk_base + CLK_RESET_SOURCE_CSITE); 1127 1128 tegra30_cpu_clk_sctx.cpu_burst = 1129 readl(clk_base + CLK_RESET_CCLK_BURST); 1130 tegra30_cpu_clk_sctx.pllx_base = 1131 readl(clk_base + CLK_RESET_PLLX_BASE); 1132 tegra30_cpu_clk_sctx.pllx_misc = 1133 readl(clk_base + CLK_RESET_PLLX_MISC); 1134 tegra30_cpu_clk_sctx.cclk_divider = 1135 readl(clk_base + CLK_RESET_CCLK_DIVIDER); 1136} 1137 1138static void tegra30_cpu_clock_resume(void) 1139{ 1140 unsigned int reg, policy; 1141 u32 misc, base; 1142 1143 /* Is CPU complex already running on PLLX? */ 1144 reg = readl(clk_base + CLK_RESET_CCLK_BURST); 1145 policy = (reg >> CLK_RESET_CCLK_BURST_POLICY_SHIFT) & 0xF; 1146 1147 if (policy == CLK_RESET_CCLK_IDLE_POLICY) 1148 reg = (reg >> CLK_RESET_CCLK_IDLE_POLICY_SHIFT) & 0xF; 1149 else if (policy == CLK_RESET_CCLK_RUN_POLICY) 1150 reg = (reg >> CLK_RESET_CCLK_RUN_POLICY_SHIFT) & 0xF; 1151 else 1152 BUG(); 1153 1154 if (reg != CLK_RESET_CCLK_BURST_POLICY_PLLX) { 1155 misc = readl_relaxed(clk_base + CLK_RESET_PLLX_MISC); 1156 base = readl_relaxed(clk_base + CLK_RESET_PLLX_BASE); 1157 1158 if (misc != tegra30_cpu_clk_sctx.pllx_misc || 1159 base != tegra30_cpu_clk_sctx.pllx_base) { 1160 /* restore PLLX settings if CPU is on different PLL */ 1161 writel(tegra30_cpu_clk_sctx.pllx_misc, 1162 clk_base + CLK_RESET_PLLX_MISC); 1163 writel(tegra30_cpu_clk_sctx.pllx_base, 1164 clk_base + CLK_RESET_PLLX_BASE); 1165 1166 /* wait for PLL stabilization if PLLX was enabled */ 1167 if (tegra30_cpu_clk_sctx.pllx_base & (1 << 30)) 1168 udelay(300); 1169 } 1170 } 1171 1172 /* 1173 * Restore original burst policy setting for calls resulting from CPU 1174 * LP2 in idle or system suspend. 1175 */ 1176 writel(tegra30_cpu_clk_sctx.cclk_divider, 1177 clk_base + CLK_RESET_CCLK_DIVIDER); 1178 writel(tegra30_cpu_clk_sctx.cpu_burst, 1179 clk_base + CLK_RESET_CCLK_BURST); 1180 1181 writel(tegra30_cpu_clk_sctx.clk_csite_src, 1182 clk_base + CLK_RESET_SOURCE_CSITE); 1183} 1184#endif 1185 1186static struct tegra_cpu_car_ops tegra30_cpu_car_ops = { 1187 .wait_for_reset = tegra30_wait_cpu_in_reset, 1188 .put_in_reset = tegra30_put_cpu_in_reset, 1189 .out_of_reset = tegra30_cpu_out_of_reset, 1190 .enable_clock = tegra30_enable_cpu_clock, 1191 .disable_clock = tegra30_disable_cpu_clock, 1192#ifdef CONFIG_PM_SLEEP 1193 .rail_off_ready = tegra30_cpu_rail_off_ready, 1194 .suspend = tegra30_cpu_clock_suspend, 1195 .resume = tegra30_cpu_clock_resume, 1196#endif 1197}; 1198 1199static struct tegra_clk_init_table init_table[] = { 1200 { TEGRA30_CLK_UARTA, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1201 { TEGRA30_CLK_UARTB, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1202 { TEGRA30_CLK_UARTC, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1203 { TEGRA30_CLK_UARTD, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1204 { TEGRA30_CLK_UARTE, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1205 { TEGRA30_CLK_PLL_A, TEGRA30_CLK_CLK_MAX, 564480000, 0 }, 1206 { TEGRA30_CLK_PLL_A_OUT0, TEGRA30_CLK_CLK_MAX, 11289600, 0 }, 1207 { TEGRA30_CLK_I2S0, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1208 { TEGRA30_CLK_I2S1, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1209 { TEGRA30_CLK_I2S2, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1210 { TEGRA30_CLK_I2S3, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1211 { TEGRA30_CLK_I2S4, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1212 { TEGRA30_CLK_SDMMC1, TEGRA30_CLK_PLL_P, 48000000, 0 }, 1213 { TEGRA30_CLK_SDMMC2, TEGRA30_CLK_PLL_P, 48000000, 0 }, 1214 { TEGRA30_CLK_SDMMC3, TEGRA30_CLK_PLL_P, 48000000, 0 }, 1215 { TEGRA30_CLK_CSITE, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1216 { TEGRA30_CLK_MSELECT, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1217 { TEGRA30_CLK_SBC1, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1218 { TEGRA30_CLK_SBC2, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1219 { TEGRA30_CLK_SBC3, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1220 { TEGRA30_CLK_SBC4, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1221 { TEGRA30_CLK_SBC5, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1222 { TEGRA30_CLK_SBC6, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1223 { TEGRA30_CLK_PLL_C, TEGRA30_CLK_CLK_MAX, 600000000, 0 }, 1224 { TEGRA30_CLK_HOST1X, TEGRA30_CLK_PLL_C, 150000000, 0 }, 1225 { TEGRA30_CLK_TWD, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1226 { TEGRA30_CLK_GR2D, TEGRA30_CLK_PLL_C, 300000000, 0 }, 1227 { TEGRA30_CLK_GR3D, TEGRA30_CLK_PLL_C, 300000000, 0 }, 1228 { TEGRA30_CLK_GR3D2, TEGRA30_CLK_PLL_C, 300000000, 0 }, 1229 { TEGRA30_CLK_PLL_U, TEGRA30_CLK_CLK_MAX, 480000000, 0 }, 1230 { TEGRA30_CLK_VDE, TEGRA30_CLK_PLL_C, 300000000, 0 }, 1231 { TEGRA30_CLK_SPDIF_IN_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, 1232 { TEGRA30_CLK_I2S0_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, 1233 { TEGRA30_CLK_I2S1_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, 1234 { TEGRA30_CLK_I2S2_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, 1235 { TEGRA30_CLK_I2S3_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, 1236 { TEGRA30_CLK_I2S4_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, 1237 { TEGRA30_CLK_VIMCLK_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, 1238 { TEGRA30_CLK_HDA, TEGRA30_CLK_PLL_P, 102000000, 0 }, 1239 { TEGRA30_CLK_HDA2CODEC_2X, TEGRA30_CLK_PLL_P, 48000000, 0 }, 1240 { TEGRA30_CLK_PWM, TEGRA30_CLK_PLL_P, 48000000, 0 }, 1241 /* must be the last entry */ 1242 { TEGRA30_CLK_CLK_MAX, TEGRA30_CLK_CLK_MAX, 0, 0 }, 1243}; 1244 1245/* 1246 * Some clocks may be used by different drivers depending on the board 1247 * configuration. List those here to register them twice in the clock lookup 1248 * table under two names. 1249 */ 1250static struct tegra_clk_duplicate tegra_clk_duplicates[] = { 1251 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_USBD, "utmip-pad", NULL), 1252 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_USBD, "tegra-ehci.0", NULL), 1253 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_USBD, "tegra-otg", NULL), 1254 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEV, "tegra-avp", "bsev"), 1255 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEV, "nvavp", "bsev"), 1256 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_VDE, "tegra-aes", "vde"), 1257 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEA, "tegra-aes", "bsea"), 1258 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEA, "nvavp", "bsea"), 1259 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_CML1, "tegra_sata_cml", NULL), 1260 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_CML0, "tegra_pcie", "cml"), 1261 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_VCP, "nvavp", "vcp"), 1262 /* must be the last entry */ 1263 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_CLK_MAX, NULL, NULL), 1264}; 1265 1266static const struct of_device_id pmc_match[] __initconst = { 1267 { .compatible = "nvidia,tegra30-pmc" }, 1268 { }, 1269}; 1270 1271static struct tegra_audio_clk_info tegra30_audio_plls[] = { 1272 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_p_out1" }, 1273}; 1274 1275static bool tegra30_car_initialized; 1276 1277static struct clk *tegra30_clk_src_onecell_get(struct of_phandle_args *clkspec, 1278 void *data) 1279{ 1280 struct clk_hw *hw; 1281 struct clk *clk; 1282 1283 /* 1284 * Timer clocks are needed early, the rest of the clocks shouldn't be 1285 * available to device drivers until clock tree is fully initialized. 1286 */ 1287 if (clkspec->args[0] != TEGRA30_CLK_RTC && 1288 clkspec->args[0] != TEGRA30_CLK_TWD && 1289 clkspec->args[0] != TEGRA30_CLK_TIMER && 1290 !tegra30_car_initialized) 1291 return ERR_PTR(-EPROBE_DEFER); 1292 1293 clk = of_clk_src_onecell_get(clkspec, data); 1294 if (IS_ERR(clk)) 1295 return clk; 1296 1297 hw = __clk_get_hw(clk); 1298 1299 if (clkspec->args[0] == TEGRA30_CLK_EMC) { 1300 if (!tegra20_clk_emc_driver_available(hw)) 1301 return ERR_PTR(-EPROBE_DEFER); 1302 } 1303 1304 return clk; 1305} 1306 1307static void __init tegra30_clock_init(struct device_node *np) 1308{ 1309 struct device_node *node; 1310 1311 clk_base = of_iomap(np, 0); 1312 if (!clk_base) { 1313 pr_err("ioremap tegra30 CAR failed\n"); 1314 return; 1315 } 1316 1317 node = of_find_matching_node(NULL, pmc_match); 1318 if (!node) { 1319 pr_err("Failed to find pmc node\n"); 1320 BUG(); 1321 } 1322 1323 pmc_base = of_iomap(node, 0); 1324 of_node_put(node); 1325 if (!pmc_base) { 1326 pr_err("Can't map pmc registers\n"); 1327 BUG(); 1328 } 1329 1330 clks = tegra_clk_init(clk_base, TEGRA30_CLK_CLK_MAX, 1331 TEGRA30_CLK_PERIPH_BANKS); 1332 if (!clks) 1333 return; 1334 1335 if (tegra_osc_clk_init(clk_base, tegra30_clks, tegra30_input_freq, 1336 ARRAY_SIZE(tegra30_input_freq), 1, &input_freq, 1337 NULL) < 0) 1338 return; 1339 1340 tegra_fixed_clk_init(tegra30_clks); 1341 tegra30_pll_init(); 1342 tegra30_super_clk_init(); 1343 tegra30_periph_clk_init(); 1344 tegra_audio_clk_init(clk_base, pmc_base, tegra30_clks, 1345 tegra30_audio_plls, 1346 ARRAY_SIZE(tegra30_audio_plls), 24000000); 1347 1348 tegra_init_dup_clks(tegra_clk_duplicates, clks, TEGRA30_CLK_CLK_MAX); 1349 1350 tegra_add_of_provider(np, tegra30_clk_src_onecell_get); 1351 1352 tegra_cpu_car_ops = &tegra30_cpu_car_ops; 1353} 1354CLK_OF_DECLARE_DRIVER(tegra30, "nvidia,tegra30-car", tegra30_clock_init); 1355 1356/* 1357 * Clocks that use runtime PM can't be created at the tegra30_clock_init 1358 * time because drivers' base isn't initialized yet, and thus platform 1359 * devices can't be created for the clocks. Hence we need to split the 1360 * registration of the clocks into two phases. The first phase registers 1361 * essential clocks which don't require RPM and are actually used during 1362 * early boot. The second phase registers clocks which use RPM and this 1363 * is done when device drivers' core API is ready. 1364 */ 1365static int tegra30_car_probe(struct platform_device *pdev) 1366{ 1367 struct clk *clk; 1368 1369 /* PLLC */ 1370 clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, pmc_base, 0, 1371 &pll_c_params, NULL); 1372 clks[TEGRA30_CLK_PLL_C] = clk; 1373 1374 /* PLLE */ 1375 clk = tegra_clk_register_plle("pll_e", "pll_e_mux", clk_base, pmc_base, 1376 CLK_GET_RATE_NOCACHE, &pll_e_params, NULL); 1377 clks[TEGRA30_CLK_PLL_E] = clk; 1378 1379 /* PLLM */ 1380 clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, pmc_base, 1381 CLK_SET_RATE_GATE, &pll_m_params, NULL); 1382 clks[TEGRA30_CLK_PLL_M] = clk; 1383 1384 /* SCLK */ 1385 clk = tegra_clk_register_super_mux("sclk", sclk_parents, 1386 ARRAY_SIZE(sclk_parents), 1387 CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, 1388 clk_base + SCLK_BURST_POLICY, 1389 0, 4, 0, 0, NULL); 1390 clks[TEGRA30_CLK_SCLK] = clk; 1391 1392 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 1393 tegra_init_from_table(init_table, clks, TEGRA30_CLK_CLK_MAX); 1394 tegra30_car_initialized = true; 1395 1396 return 0; 1397} 1398 1399static const struct of_device_id tegra30_car_match[] = { 1400 { .compatible = "nvidia,tegra30-car" }, 1401 { } 1402}; 1403 1404static struct platform_driver tegra30_car_driver = { 1405 .driver = { 1406 .name = "tegra30-car", 1407 .of_match_table = tegra30_car_match, 1408 .suppress_bind_attrs = true, 1409 }, 1410 .probe = tegra30_car_probe, 1411}; 1412 1413/* 1414 * Clock driver must be registered before memory controller driver, 1415 * which doesn't support deferred probing for today and is registered 1416 * from arch init-level. 1417 */ 1418static int tegra30_car_init(void) 1419{ 1420 return platform_driver_register(&tegra30_car_driver); 1421} 1422postcore_initcall(tegra30_car_init);
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