1 /* 2 * Copyright (c) 2012-2014 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.h> 19 #include <linux/clk-provider.h> 20 #include <linux/clkdev.h> 21 #include <linux/of.h> 22 #include <linux/of_address.h> 23 #include <linux/delay.h> 24 #include <linux/export.h> 25 #include <linux/clk/tegra.h> 26 #include <dt-bindings/clock/tegra210-car.h> 27 #include <dt-bindings/reset/tegra210-car.h> 28 #include <linux/iopoll.h> 29 30 #include "clk.h" 31 #include "clk-id.h" 32 33 /* 34 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register 35 * banks present in the Tegra210 CAR IP block. The banks are 36 * identified by single letters, e.g.: L, H, U, V, W, X, Y. See 37 * periph_regs[] in drivers/clk/tegra/clk.c 38 */ 39 #define TEGRA210_CAR_BANK_COUNT 7 40 41 #define CLK_SOURCE_CSITE 0x1d4 42 #define CLK_SOURCE_EMC 0x19c 43 44 #define PLLC_BASE 0x80 45 #define PLLC_OUT 0x84 46 #define PLLC_MISC0 0x88 47 #define PLLC_MISC1 0x8c 48 #define PLLC_MISC2 0x5d0 49 #define PLLC_MISC3 0x5d4 50 51 #define PLLC2_BASE 0x4e8 52 #define PLLC2_MISC0 0x4ec 53 #define PLLC2_MISC1 0x4f0 54 #define PLLC2_MISC2 0x4f4 55 #define PLLC2_MISC3 0x4f8 56 57 #define PLLC3_BASE 0x4fc 58 #define PLLC3_MISC0 0x500 59 #define PLLC3_MISC1 0x504 60 #define PLLC3_MISC2 0x508 61 #define PLLC3_MISC3 0x50c 62 63 #define PLLM_BASE 0x90 64 #define PLLM_MISC1 0x98 65 #define PLLM_MISC2 0x9c 66 #define PLLP_BASE 0xa0 67 #define PLLP_MISC0 0xac 68 #define PLLP_MISC1 0x680 69 #define PLLA_BASE 0xb0 70 #define PLLA_MISC0 0xbc 71 #define PLLA_MISC1 0xb8 72 #define PLLA_MISC2 0x5d8 73 #define PLLD_BASE 0xd0 74 #define PLLD_MISC0 0xdc 75 #define PLLD_MISC1 0xd8 76 #define PLLU_BASE 0xc0 77 #define PLLU_OUTA 0xc4 78 #define PLLU_MISC0 0xcc 79 #define PLLU_MISC1 0xc8 80 #define PLLX_BASE 0xe0 81 #define PLLX_MISC0 0xe4 82 #define PLLX_MISC1 0x510 83 #define PLLX_MISC2 0x514 84 #define PLLX_MISC3 0x518 85 #define PLLX_MISC4 0x5f0 86 #define PLLX_MISC5 0x5f4 87 #define PLLE_BASE 0xe8 88 #define PLLE_MISC0 0xec 89 #define PLLD2_BASE 0x4b8 90 #define PLLD2_MISC0 0x4bc 91 #define PLLD2_MISC1 0x570 92 #define PLLD2_MISC2 0x574 93 #define PLLD2_MISC3 0x578 94 #define PLLE_AUX 0x48c 95 #define PLLRE_BASE 0x4c4 96 #define PLLRE_MISC0 0x4c8 97 #define PLLRE_OUT1 0x4cc 98 #define PLLDP_BASE 0x590 99 #define PLLDP_MISC 0x594 100 101 #define PLLC4_BASE 0x5a4 102 #define PLLC4_MISC0 0x5a8 103 #define PLLC4_OUT 0x5e4 104 #define PLLMB_BASE 0x5e8 105 #define PLLMB_MISC1 0x5ec 106 #define PLLA1_BASE 0x6a4 107 #define PLLA1_MISC0 0x6a8 108 #define PLLA1_MISC1 0x6ac 109 #define PLLA1_MISC2 0x6b0 110 #define PLLA1_MISC3 0x6b4 111 112 #define PLLU_IDDQ_BIT 31 113 #define PLLCX_IDDQ_BIT 27 114 #define PLLRE_IDDQ_BIT 24 115 #define PLLA_IDDQ_BIT 25 116 #define PLLD_IDDQ_BIT 20 117 #define PLLSS_IDDQ_BIT 18 118 #define PLLM_IDDQ_BIT 5 119 #define PLLMB_IDDQ_BIT 17 120 #define PLLXP_IDDQ_BIT 3 121 122 #define PLLCX_RESET_BIT 30 123 124 #define PLL_BASE_LOCK BIT(27) 125 #define PLLCX_BASE_LOCK BIT(26) 126 #define PLLE_MISC_LOCK BIT(11) 127 #define PLLRE_MISC_LOCK BIT(27) 128 129 #define PLL_MISC_LOCK_ENABLE 18 130 #define PLLC_MISC_LOCK_ENABLE 24 131 #define PLLDU_MISC_LOCK_ENABLE 22 132 #define PLLU_MISC_LOCK_ENABLE 29 133 #define PLLE_MISC_LOCK_ENABLE 9 134 #define PLLRE_MISC_LOCK_ENABLE 30 135 #define PLLSS_MISC_LOCK_ENABLE 30 136 #define PLLP_MISC_LOCK_ENABLE 18 137 #define PLLM_MISC_LOCK_ENABLE 4 138 #define PLLMB_MISC_LOCK_ENABLE 16 139 #define PLLA_MISC_LOCK_ENABLE 28 140 #define PLLU_MISC_LOCK_ENABLE 29 141 #define PLLD_MISC_LOCK_ENABLE 18 142 143 #define PLLA_SDM_DIN_MASK 0xffff 144 #define PLLA_SDM_EN_MASK BIT(26) 145 146 #define PLLD_SDM_EN_MASK BIT(16) 147 148 #define PLLD2_SDM_EN_MASK BIT(31) 149 #define PLLD2_SSC_EN_MASK 0 150 151 #define PLLDP_SS_CFG 0x598 152 #define PLLDP_SDM_EN_MASK BIT(31) 153 #define PLLDP_SSC_EN_MASK BIT(30) 154 #define PLLDP_SS_CTRL1 0x59c 155 #define PLLDP_SS_CTRL2 0x5a0 156 157 #define PMC_PLLM_WB0_OVERRIDE 0x1dc 158 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0 159 160 #define UTMIP_PLL_CFG2 0x488 161 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6) 162 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) 163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) 164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1) 165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) 166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3) 167 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) 168 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5) 169 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24) 170 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25) 171 172 #define UTMIP_PLL_CFG1 0x484 173 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) 174 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) 175 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17) 176 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) 177 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15) 178 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) 179 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) 180 181 #define SATA_PLL_CFG0 0x490 182 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 183 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2) 184 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4) 185 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5) 186 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6) 187 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7) 188 189 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 190 #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24) 191 192 #define XUSBIO_PLL_CFG0 0x51c 193 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 194 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2) 195 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6) 196 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 197 #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24) 198 199 #define UTMIPLL_HW_PWRDN_CFG0 0x52c 200 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31) 201 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25) 202 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 203 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7) 204 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 205 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5) 206 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4) 207 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 208 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1) 209 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0) 210 211 #define PLLU_HW_PWRDN_CFG0 0x530 212 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28) 213 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 214 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7) 215 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 216 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 217 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0) 218 219 #define XUSB_PLL_CFG0 0x534 220 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff 221 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14) 222 223 #define SPARE_REG0 0x55c 224 #define CLK_M_DIVISOR_SHIFT 2 225 #define CLK_M_DIVISOR_MASK 0x3 226 227 #define RST_DFLL_DVCO 0x2f4 228 #define DVFS_DFLL_RESET_SHIFT 0 229 230 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8 231 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac 232 233 /* 234 * SDM fractional divisor is 16-bit 2's complement signed number within 235 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned 236 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to 237 * indicate that SDM is disabled. 238 * 239 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13 240 */ 241 #define PLL_SDM_COEFF BIT(13) 242 #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU)) 243 #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat) 244 /* This macro returns ndiv effective scaled to SDM range */ 245 #define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \ 246 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0)) 247 248 /* Tegra CPU clock and reset control regs */ 249 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 250 251 #ifdef CONFIG_PM_SLEEP 252 static struct cpu_clk_suspend_context { 253 u32 clk_csite_src; 254 } tegra210_cpu_clk_sctx; 255 #endif 256 257 static void __iomem *clk_base; 258 static void __iomem *pmc_base; 259 260 static unsigned long osc_freq; 261 static unsigned long pll_ref_freq; 262 263 static DEFINE_SPINLOCK(pll_d_lock); 264 static DEFINE_SPINLOCK(pll_e_lock); 265 static DEFINE_SPINLOCK(pll_re_lock); 266 static DEFINE_SPINLOCK(pll_u_lock); 267 static DEFINE_SPINLOCK(emc_lock); 268 269 /* possible OSC frequencies in Hz */ 270 static unsigned long tegra210_input_freq[] = { 271 [5] = 38400000, 272 [8] = 12000000, 273 }; 274 275 static const char *mux_pllmcp_clkm[] = { 276 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb", 277 "pll_p", 278 }; 279 #define mux_pllmcp_clkm_idx NULL 280 281 #define PLL_ENABLE (1 << 30) 282 283 #define PLLCX_MISC1_IDDQ (1 << 27) 284 #define PLLCX_MISC0_RESET (1 << 30) 285 286 #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000 287 #define PLLCX_MISC0_WRITE_MASK 0x400ffffb 288 #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000 289 #define PLLCX_MISC1_WRITE_MASK 0x08003cff 290 #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05 291 #define PLLCX_MISC2_WRITE_MASK 0xffffff17 292 #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4 293 #define PLLCX_MISC3_WRITE_MASK 0x00ffffff 294 295 /* PLLA */ 296 #define PLLA_BASE_IDDQ (1 << 25) 297 #define PLLA_BASE_LOCK (1 << 27) 298 299 #define PLLA_MISC0_LOCK_ENABLE (1 << 28) 300 #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27) 301 302 #define PLLA_MISC2_EN_SDM (1 << 26) 303 #define PLLA_MISC2_EN_DYNRAMP (1 << 25) 304 305 #define PLLA_MISC0_DEFAULT_VALUE 0x12000020 306 #define PLLA_MISC0_WRITE_MASK 0x7fffffff 307 #define PLLA_MISC2_DEFAULT_VALUE 0x0 308 #define PLLA_MISC2_WRITE_MASK 0x06ffffff 309 310 /* PLLD */ 311 #define PLLD_MISC0_EN_SDM (1 << 16) 312 #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17) 313 #define PLLD_MISC0_LOCK_ENABLE (1 << 18) 314 #define PLLD_MISC0_IDDQ (1 << 20) 315 #define PLLD_MISC0_DSI_CLKENABLE (1 << 21) 316 317 #define PLLD_MISC0_DEFAULT_VALUE 0x00140000 318 #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff 319 #define PLLD_MISC1_DEFAULT_VALUE 0x20 320 #define PLLD_MISC1_WRITE_MASK 0x00ffffff 321 322 /* PLLD2 and PLLDP and PLLC4 */ 323 #define PLLDSS_BASE_LOCK (1 << 27) 324 #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24) 325 #define PLLDSS_BASE_IDDQ (1 << 18) 326 #define PLLDSS_BASE_REF_SEL_SHIFT 25 327 #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT) 328 329 #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30) 330 331 #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31) 332 #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30) 333 334 #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020 335 #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000 336 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0 337 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0 338 339 #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020 340 #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000 341 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da 342 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400 343 344 #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff 345 #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000 346 #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff 347 #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff 348 349 #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000 350 351 /* PLLRE */ 352 #define PLLRE_MISC0_LOCK_ENABLE (1 << 30) 353 #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29) 354 #define PLLRE_MISC0_LOCK (1 << 27) 355 #define PLLRE_MISC0_IDDQ (1 << 24) 356 357 #define PLLRE_BASE_DEFAULT_VALUE 0x0 358 #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000 359 360 #define PLLRE_BASE_DEFAULT_MASK 0x1c000000 361 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff 362 363 /* PLLX */ 364 #define PLLX_USE_DYN_RAMP 1 365 #define PLLX_BASE_LOCK (1 << 27) 366 367 #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28) 368 #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18) 369 370 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24 371 #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT) 372 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16 373 #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT) 374 #define PLLX_MISC2_NDIV_NEW_SHIFT 8 375 #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT) 376 #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4) 377 #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2) 378 #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0) 379 380 #define PLLX_MISC3_IDDQ (0x1 << 3) 381 382 #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE 383 #define PLLX_MISC0_WRITE_MASK 0x10c40000 384 #define PLLX_MISC1_DEFAULT_VALUE 0x20 385 #define PLLX_MISC1_WRITE_MASK 0x00ffffff 386 #define PLLX_MISC2_DEFAULT_VALUE 0x0 387 #define PLLX_MISC2_WRITE_MASK 0xffffff11 388 #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ 389 #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f 390 #define PLLX_MISC4_DEFAULT_VALUE 0x0 391 #define PLLX_MISC4_WRITE_MASK 0x8000ffff 392 #define PLLX_MISC5_DEFAULT_VALUE 0x0 393 #define PLLX_MISC5_WRITE_MASK 0x0000ffff 394 395 #define PLLX_HW_CTRL_CFG 0x548 396 #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0) 397 398 /* PLLMB */ 399 #define PLLMB_BASE_LOCK (1 << 27) 400 401 #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18) 402 #define PLLMB_MISC1_IDDQ (1 << 17) 403 #define PLLMB_MISC1_LOCK_ENABLE (1 << 16) 404 405 #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000 406 #define PLLMB_MISC1_WRITE_MASK 0x0007ffff 407 408 /* PLLP */ 409 #define PLLP_BASE_OVERRIDE (1 << 28) 410 #define PLLP_BASE_LOCK (1 << 27) 411 412 #define PLLP_MISC0_LOCK_ENABLE (1 << 18) 413 #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17) 414 #define PLLP_MISC0_IDDQ (1 << 3) 415 416 #define PLLP_MISC1_HSIO_EN_SHIFT 29 417 #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT) 418 #define PLLP_MISC1_XUSB_EN_SHIFT 28 419 #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT) 420 421 #define PLLP_MISC0_DEFAULT_VALUE 0x00040008 422 #define PLLP_MISC1_DEFAULT_VALUE 0x0 423 424 #define PLLP_MISC0_WRITE_MASK 0xdc6000f 425 #define PLLP_MISC1_WRITE_MASK 0x70ffffff 426 427 /* PLLU */ 428 #define PLLU_BASE_LOCK (1 << 27) 429 #define PLLU_BASE_OVERRIDE (1 << 24) 430 #define PLLU_BASE_CLKENABLE_USB (1 << 21) 431 #define PLLU_BASE_CLKENABLE_HSIC (1 << 22) 432 #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23) 433 #define PLLU_BASE_CLKENABLE_48M (1 << 25) 434 #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\ 435 PLLU_BASE_CLKENABLE_HSIC |\ 436 PLLU_BASE_CLKENABLE_ICUSB |\ 437 PLLU_BASE_CLKENABLE_48M) 438 439 #define PLLU_MISC0_IDDQ (1 << 31) 440 #define PLLU_MISC0_LOCK_ENABLE (1 << 29) 441 #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0) 442 443 #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000 444 #define PLLU_MISC1_DEFAULT_VALUE 0x0 445 446 #define PLLU_MISC0_WRITE_MASK 0xbfffffff 447 #define PLLU_MISC1_WRITE_MASK 0x00000007 448 449 void tegra210_xusb_pll_hw_control_enable(void) 450 { 451 u32 val; 452 453 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 454 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL | 455 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL); 456 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET | 457 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ; 458 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 459 } 460 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable); 461 462 void tegra210_xusb_pll_hw_sequence_start(void) 463 { 464 u32 val; 465 466 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 467 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE; 468 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 469 } 470 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start); 471 472 void tegra210_sata_pll_hw_control_enable(void) 473 { 474 u32 val; 475 476 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 477 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL; 478 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET | 479 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ; 480 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 481 } 482 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable); 483 484 void tegra210_sata_pll_hw_sequence_start(void) 485 { 486 u32 val; 487 488 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 489 val |= SATA_PLL_CFG0_SEQ_ENABLE; 490 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 491 } 492 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start); 493 494 void tegra210_set_sata_pll_seq_sw(bool state) 495 { 496 u32 val; 497 498 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 499 if (state) { 500 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 501 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 502 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 503 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 504 } else { 505 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 506 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 507 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 508 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 509 } 510 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 511 } 512 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw); 513 514 static inline void _pll_misc_chk_default(void __iomem *base, 515 struct tegra_clk_pll_params *params, 516 u8 misc_num, u32 default_val, u32 mask) 517 { 518 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]); 519 520 boot_val &= mask; 521 default_val &= mask; 522 if (boot_val != default_val) { 523 pr_warn("boot misc%d 0x%x: expected 0x%x\n", 524 misc_num, boot_val, default_val); 525 pr_warn(" (comparison mask = 0x%x)\n", mask); 526 params->defaults_set = false; 527 } 528 } 529 530 /* 531 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1 532 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition 533 * that changes NDIV only, while PLL is already locked. 534 */ 535 static void pllcx_check_defaults(struct tegra_clk_pll_params *params) 536 { 537 u32 default_val; 538 539 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET); 540 _pll_misc_chk_default(clk_base, params, 0, default_val, 541 PLLCX_MISC0_WRITE_MASK); 542 543 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ); 544 _pll_misc_chk_default(clk_base, params, 1, default_val, 545 PLLCX_MISC1_WRITE_MASK); 546 547 default_val = PLLCX_MISC2_DEFAULT_VALUE; 548 _pll_misc_chk_default(clk_base, params, 2, default_val, 549 PLLCX_MISC2_WRITE_MASK); 550 551 default_val = PLLCX_MISC3_DEFAULT_VALUE; 552 _pll_misc_chk_default(clk_base, params, 3, default_val, 553 PLLCX_MISC3_WRITE_MASK); 554 } 555 556 static void tegra210_pllcx_set_defaults(const char *name, 557 struct tegra_clk_pll *pllcx) 558 { 559 pllcx->params->defaults_set = true; 560 561 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) { 562 /* PLL is ON: only check if defaults already set */ 563 pllcx_check_defaults(pllcx->params); 564 if (!pllcx->params->defaults_set) 565 pr_warn("%s already enabled. Postponing set full defaults\n", 566 name); 567 return; 568 } 569 570 /* Defaults assert PLL reset, and set IDDQ */ 571 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE, 572 clk_base + pllcx->params->ext_misc_reg[0]); 573 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE, 574 clk_base + pllcx->params->ext_misc_reg[1]); 575 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE, 576 clk_base + pllcx->params->ext_misc_reg[2]); 577 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE, 578 clk_base + pllcx->params->ext_misc_reg[3]); 579 udelay(1); 580 } 581 582 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx) 583 { 584 tegra210_pllcx_set_defaults("PLL_C", pllcx); 585 } 586 587 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx) 588 { 589 tegra210_pllcx_set_defaults("PLL_C2", pllcx); 590 } 591 592 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx) 593 { 594 tegra210_pllcx_set_defaults("PLL_C3", pllcx); 595 } 596 597 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx) 598 { 599 tegra210_pllcx_set_defaults("PLL_A1", pllcx); 600 } 601 602 /* 603 * PLLA 604 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used. 605 * Fractional SDM is allowed to provide exact audio rates. 606 */ 607 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) 608 { 609 u32 mask; 610 u32 val = readl_relaxed(clk_base + plla->params->base_reg); 611 612 plla->params->defaults_set = true; 613 614 if (val & PLL_ENABLE) { 615 /* 616 * PLL is ON: check if defaults already set, then set those 617 * that can be updated in flight. 618 */ 619 if (val & PLLA_BASE_IDDQ) { 620 pr_warn("PLL_A boot enabled with IDDQ set\n"); 621 plla->params->defaults_set = false; 622 } 623 624 pr_warn("PLL_A already enabled. Postponing set full defaults\n"); 625 626 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */ 627 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE; 628 _pll_misc_chk_default(clk_base, plla->params, 0, val, 629 ~mask & PLLA_MISC0_WRITE_MASK); 630 631 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */ 632 _pll_misc_chk_default(clk_base, plla->params, 2, val, 633 PLLA_MISC2_EN_DYNRAMP); 634 635 /* Enable lock detect */ 636 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]); 637 val &= ~mask; 638 val |= PLLA_MISC0_DEFAULT_VALUE & mask; 639 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]); 640 udelay(1); 641 642 return; 643 } 644 645 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */ 646 val |= PLLA_BASE_IDDQ; 647 writel_relaxed(val, clk_base + plla->params->base_reg); 648 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE, 649 clk_base + plla->params->ext_misc_reg[0]); 650 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE, 651 clk_base + plla->params->ext_misc_reg[2]); 652 udelay(1); 653 } 654 655 /* 656 * PLLD 657 * PLL with fractional SDM. 658 */ 659 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld) 660 { 661 u32 val; 662 u32 mask = 0xffff; 663 664 plld->params->defaults_set = true; 665 666 if (readl_relaxed(clk_base + plld->params->base_reg) & 667 PLL_ENABLE) { 668 669 /* 670 * PLL is ON: check if defaults already set, then set those 671 * that can be updated in flight. 672 */ 673 val = PLLD_MISC1_DEFAULT_VALUE; 674 _pll_misc_chk_default(clk_base, plld->params, 1, 675 val, PLLD_MISC1_WRITE_MASK); 676 677 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */ 678 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ); 679 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE | 680 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM; 681 _pll_misc_chk_default(clk_base, plld->params, 0, val, 682 ~mask & PLLD_MISC0_WRITE_MASK); 683 684 if (!plld->params->defaults_set) 685 pr_warn("PLL_D already enabled. Postponing set full defaults\n"); 686 687 /* Enable lock detect */ 688 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE; 689 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 690 val &= ~mask; 691 val |= PLLD_MISC0_DEFAULT_VALUE & mask; 692 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 693 udelay(1); 694 695 return; 696 } 697 698 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 699 val &= PLLD_MISC0_DSI_CLKENABLE; 700 val |= PLLD_MISC0_DEFAULT_VALUE; 701 /* set IDDQ, enable lock detect, disable SDM */ 702 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 703 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base + 704 plld->params->ext_misc_reg[1]); 705 udelay(1); 706 } 707 708 /* 709 * PLLD2, PLLDP 710 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used). 711 */ 712 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss, 713 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val) 714 { 715 u32 default_val; 716 u32 val = readl_relaxed(clk_base + plldss->params->base_reg); 717 718 plldss->params->defaults_set = true; 719 720 if (val & PLL_ENABLE) { 721 722 /* 723 * PLL is ON: check if defaults already set, then set those 724 * that can be updated in flight. 725 */ 726 if (val & PLLDSS_BASE_IDDQ) { 727 pr_warn("plldss boot enabled with IDDQ set\n"); 728 plldss->params->defaults_set = false; 729 } 730 731 /* ignore lock enable */ 732 default_val = misc0_val; 733 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val, 734 PLLDSS_MISC0_WRITE_MASK & 735 (~PLLDSS_MISC0_LOCK_ENABLE)); 736 737 /* 738 * If SSC is used, check all settings, otherwise just confirm 739 * that SSC is not used on boot as well. Do nothing when using 740 * this function for PLLC4 that has only MISC0. 741 */ 742 if (plldss->params->ssc_ctrl_en_mask) { 743 default_val = misc1_val; 744 _pll_misc_chk_default(clk_base, plldss->params, 1, 745 default_val, PLLDSS_MISC1_CFG_WRITE_MASK); 746 default_val = misc2_val; 747 _pll_misc_chk_default(clk_base, plldss->params, 2, 748 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK); 749 default_val = misc3_val; 750 _pll_misc_chk_default(clk_base, plldss->params, 3, 751 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK); 752 } else if (plldss->params->ext_misc_reg[1]) { 753 default_val = misc1_val; 754 _pll_misc_chk_default(clk_base, plldss->params, 1, 755 default_val, PLLDSS_MISC1_CFG_WRITE_MASK & 756 (~PLLDSS_MISC1_CFG_EN_SDM)); 757 } 758 759 if (!plldss->params->defaults_set) 760 pr_warn("%s already enabled. Postponing set full defaults\n", 761 pll_name); 762 763 /* Enable lock detect */ 764 if (val & PLLDSS_BASE_LOCK_OVERRIDE) { 765 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 766 writel_relaxed(val, clk_base + 767 plldss->params->base_reg); 768 } 769 770 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]); 771 val &= ~PLLDSS_MISC0_LOCK_ENABLE; 772 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE; 773 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]); 774 udelay(1); 775 776 return; 777 } 778 779 /* set IDDQ, enable lock detect, configure SDM/SSC */ 780 val |= PLLDSS_BASE_IDDQ; 781 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 782 writel_relaxed(val, clk_base + plldss->params->base_reg); 783 784 /* When using this function for PLLC4 exit here */ 785 if (!plldss->params->ext_misc_reg[1]) { 786 writel_relaxed(misc0_val, clk_base + 787 plldss->params->ext_misc_reg[0]); 788 udelay(1); 789 return; 790 } 791 792 writel_relaxed(misc0_val, clk_base + 793 plldss->params->ext_misc_reg[0]); 794 /* if SSC used set by 1st enable */ 795 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC), 796 clk_base + plldss->params->ext_misc_reg[1]); 797 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]); 798 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]); 799 udelay(1); 800 } 801 802 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) 803 { 804 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE, 805 PLLD2_MISC1_CFG_DEFAULT_VALUE, 806 PLLD2_MISC2_CTRL1_DEFAULT_VALUE, 807 PLLD2_MISC3_CTRL2_DEFAULT_VALUE); 808 } 809 810 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) 811 { 812 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE, 813 PLLDP_MISC1_CFG_DEFAULT_VALUE, 814 PLLDP_MISC2_CTRL1_DEFAULT_VALUE, 815 PLLDP_MISC3_CTRL2_DEFAULT_VALUE); 816 } 817 818 /* 819 * PLLC4 820 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support. 821 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers. 822 */ 823 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) 824 { 825 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0); 826 } 827 828 /* 829 * PLLRE 830 * VCO is exposed to the clock tree directly along with post-divider output 831 */ 832 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) 833 { 834 u32 mask; 835 u32 val = readl_relaxed(clk_base + pllre->params->base_reg); 836 837 pllre->params->defaults_set = true; 838 839 if (val & PLL_ENABLE) { 840 pr_warn("PLL_RE already enabled. Postponing set full defaults\n"); 841 842 /* 843 * PLL is ON: check if defaults already set, then set those 844 * that can be updated in flight. 845 */ 846 val &= PLLRE_BASE_DEFAULT_MASK; 847 if (val != PLLRE_BASE_DEFAULT_VALUE) { 848 pr_warn("pllre boot base 0x%x : expected 0x%x\n", 849 val, PLLRE_BASE_DEFAULT_VALUE); 850 pr_warn("(comparison mask = 0x%x)\n", 851 PLLRE_BASE_DEFAULT_MASK); 852 pllre->params->defaults_set = false; 853 } 854 855 /* Ignore lock enable */ 856 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ); 857 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE; 858 _pll_misc_chk_default(clk_base, pllre->params, 0, val, 859 ~mask & PLLRE_MISC0_WRITE_MASK); 860 861 /* Enable lock detect */ 862 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]); 863 val &= ~mask; 864 val |= PLLRE_MISC0_DEFAULT_VALUE & mask; 865 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]); 866 udelay(1); 867 868 return; 869 } 870 871 /* set IDDQ, enable lock detect */ 872 val &= ~PLLRE_BASE_DEFAULT_MASK; 873 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK; 874 writel_relaxed(val, clk_base + pllre->params->base_reg); 875 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE, 876 clk_base + pllre->params->ext_misc_reg[0]); 877 udelay(1); 878 } 879 880 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) 881 { 882 unsigned long input_rate; 883 884 /* cf rate */ 885 if (!IS_ERR_OR_NULL(hw->clk)) 886 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); 887 else 888 input_rate = 38400000; 889 890 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); 891 892 switch (input_rate) { 893 case 12000000: 894 case 12800000: 895 case 13000000: 896 *step_a = 0x2B; 897 *step_b = 0x0B; 898 return; 899 case 19200000: 900 *step_a = 0x12; 901 *step_b = 0x08; 902 return; 903 case 38400000: 904 *step_a = 0x04; 905 *step_b = 0x05; 906 return; 907 default: 908 pr_err("%s: Unexpected reference rate %lu\n", 909 __func__, input_rate); 910 BUG(); 911 } 912 } 913 914 static void pllx_check_defaults(struct tegra_clk_pll *pll) 915 { 916 u32 default_val; 917 918 default_val = PLLX_MISC0_DEFAULT_VALUE; 919 /* ignore lock enable */ 920 _pll_misc_chk_default(clk_base, pll->params, 0, default_val, 921 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE)); 922 923 default_val = PLLX_MISC1_DEFAULT_VALUE; 924 _pll_misc_chk_default(clk_base, pll->params, 1, default_val, 925 PLLX_MISC1_WRITE_MASK); 926 927 /* ignore all but control bit */ 928 default_val = PLLX_MISC2_DEFAULT_VALUE; 929 _pll_misc_chk_default(clk_base, pll->params, 2, 930 default_val, PLLX_MISC2_EN_DYNRAMP); 931 932 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ); 933 _pll_misc_chk_default(clk_base, pll->params, 3, default_val, 934 PLLX_MISC3_WRITE_MASK); 935 936 default_val = PLLX_MISC4_DEFAULT_VALUE; 937 _pll_misc_chk_default(clk_base, pll->params, 4, default_val, 938 PLLX_MISC4_WRITE_MASK); 939 940 default_val = PLLX_MISC5_DEFAULT_VALUE; 941 _pll_misc_chk_default(clk_base, pll->params, 5, default_val, 942 PLLX_MISC5_WRITE_MASK); 943 } 944 945 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) 946 { 947 u32 val; 948 u32 step_a, step_b; 949 950 pllx->params->defaults_set = true; 951 952 /* Get ready dyn ramp state machine settings */ 953 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b); 954 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) & 955 (~PLLX_MISC2_DYNRAMP_STEPB_MASK); 956 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT; 957 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT; 958 959 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) { 960 961 /* 962 * PLL is ON: check if defaults already set, then set those 963 * that can be updated in flight. 964 */ 965 pllx_check_defaults(pllx); 966 967 if (!pllx->params->defaults_set) 968 pr_warn("PLL_X already enabled. Postponing set full defaults\n"); 969 /* Configure dyn ramp, disable lock override */ 970 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 971 972 /* Enable lock detect */ 973 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]); 974 val &= ~PLLX_MISC0_LOCK_ENABLE; 975 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE; 976 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]); 977 udelay(1); 978 979 return; 980 } 981 982 /* Enable lock detect and CPU output */ 983 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base + 984 pllx->params->ext_misc_reg[0]); 985 986 /* Setup */ 987 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base + 988 pllx->params->ext_misc_reg[1]); 989 990 /* Configure dyn ramp state machine, disable lock override */ 991 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 992 993 /* Set IDDQ */ 994 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base + 995 pllx->params->ext_misc_reg[3]); 996 997 /* Disable SDM */ 998 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base + 999 pllx->params->ext_misc_reg[4]); 1000 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base + 1001 pllx->params->ext_misc_reg[5]); 1002 udelay(1); 1003 } 1004 1005 /* PLLMB */ 1006 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) 1007 { 1008 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg); 1009 1010 pllmb->params->defaults_set = true; 1011 1012 if (val & PLL_ENABLE) { 1013 1014 /* 1015 * PLL is ON: check if defaults already set, then set those 1016 * that can be updated in flight. 1017 */ 1018 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ); 1019 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE; 1020 _pll_misc_chk_default(clk_base, pllmb->params, 0, val, 1021 ~mask & PLLMB_MISC1_WRITE_MASK); 1022 1023 if (!pllmb->params->defaults_set) 1024 pr_warn("PLL_MB already enabled. Postponing set full defaults\n"); 1025 /* Enable lock detect */ 1026 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]); 1027 val &= ~mask; 1028 val |= PLLMB_MISC1_DEFAULT_VALUE & mask; 1029 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]); 1030 udelay(1); 1031 1032 return; 1033 } 1034 1035 /* set IDDQ, enable lock detect */ 1036 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE, 1037 clk_base + pllmb->params->ext_misc_reg[0]); 1038 udelay(1); 1039 } 1040 1041 /* 1042 * PLLP 1043 * VCO is exposed to the clock tree directly along with post-divider output. 1044 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz, 1045 * respectively. 1046 */ 1047 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled) 1048 { 1049 u32 val, mask; 1050 1051 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */ 1052 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ); 1053 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1054 if (!enabled) 1055 mask |= PLLP_MISC0_IDDQ; 1056 _pll_misc_chk_default(clk_base, pll->params, 0, val, 1057 ~mask & PLLP_MISC0_WRITE_MASK); 1058 1059 /* Ignore branch controls */ 1060 val = PLLP_MISC1_DEFAULT_VALUE; 1061 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1062 _pll_misc_chk_default(clk_base, pll->params, 1, val, 1063 ~mask & PLLP_MISC1_WRITE_MASK); 1064 } 1065 1066 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) 1067 { 1068 u32 mask; 1069 u32 val = readl_relaxed(clk_base + pllp->params->base_reg); 1070 1071 pllp->params->defaults_set = true; 1072 1073 if (val & PLL_ENABLE) { 1074 1075 /* 1076 * PLL is ON: check if defaults already set, then set those 1077 * that can be updated in flight. 1078 */ 1079 pllp_check_defaults(pllp, true); 1080 if (!pllp->params->defaults_set) 1081 pr_warn("PLL_P already enabled. Postponing set full defaults\n"); 1082 1083 /* Enable lock detect */ 1084 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]); 1085 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1086 val &= ~mask; 1087 val |= PLLP_MISC0_DEFAULT_VALUE & mask; 1088 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]); 1089 udelay(1); 1090 1091 return; 1092 } 1093 1094 /* set IDDQ, enable lock detect */ 1095 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE, 1096 clk_base + pllp->params->ext_misc_reg[0]); 1097 1098 /* Preserve branch control */ 1099 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]); 1100 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1101 val &= mask; 1102 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE; 1103 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]); 1104 udelay(1); 1105 } 1106 1107 /* 1108 * PLLU 1109 * VCO is exposed to the clock tree directly along with post-divider output. 1110 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz, 1111 * respectively. 1112 */ 1113 static void pllu_check_defaults(struct tegra_clk_pll_params *params, 1114 bool hw_control) 1115 { 1116 u32 val, mask; 1117 1118 /* Ignore lock enable (will be set) and IDDQ if under h/w control */ 1119 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ); 1120 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0); 1121 _pll_misc_chk_default(clk_base, params, 0, val, 1122 ~mask & PLLU_MISC0_WRITE_MASK); 1123 1124 val = PLLU_MISC1_DEFAULT_VALUE; 1125 mask = PLLU_MISC1_LOCK_OVERRIDE; 1126 _pll_misc_chk_default(clk_base, params, 1, val, 1127 ~mask & PLLU_MISC1_WRITE_MASK); 1128 } 1129 1130 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu) 1131 { 1132 u32 val = readl_relaxed(clk_base + pllu->base_reg); 1133 1134 pllu->defaults_set = true; 1135 1136 if (val & PLL_ENABLE) { 1137 1138 /* 1139 * PLL is ON: check if defaults already set, then set those 1140 * that can be updated in flight. 1141 */ 1142 pllu_check_defaults(pllu, false); 1143 if (!pllu->defaults_set) 1144 pr_warn("PLL_U already enabled. Postponing set full defaults\n"); 1145 1146 /* Enable lock detect */ 1147 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]); 1148 val &= ~PLLU_MISC0_LOCK_ENABLE; 1149 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE; 1150 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]); 1151 1152 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]); 1153 val &= ~PLLU_MISC1_LOCK_OVERRIDE; 1154 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE; 1155 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]); 1156 udelay(1); 1157 1158 return; 1159 } 1160 1161 /* set IDDQ, enable lock detect */ 1162 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE, 1163 clk_base + pllu->ext_misc_reg[0]); 1164 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE, 1165 clk_base + pllu->ext_misc_reg[1]); 1166 udelay(1); 1167 } 1168 1169 #define mask(w) ((1 << (w)) - 1) 1170 #define divm_mask(p) mask(p->params->div_nmp->divm_width) 1171 #define divn_mask(p) mask(p->params->div_nmp->divn_width) 1172 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ 1173 mask(p->params->div_nmp->divp_width)) 1174 1175 #define divm_shift(p) ((p)->params->div_nmp->divm_shift) 1176 #define divn_shift(p) ((p)->params->div_nmp->divn_shift) 1177 #define divp_shift(p) ((p)->params->div_nmp->divp_shift) 1178 1179 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p)) 1180 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p)) 1181 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p)) 1182 1183 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */ 1184 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll, 1185 u32 reg, u32 mask) 1186 { 1187 int i; 1188 u32 val = 0; 1189 1190 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) { 1191 udelay(PLL_LOCKDET_DELAY); 1192 val = readl_relaxed(clk_base + reg); 1193 if ((val & mask) == mask) { 1194 udelay(PLL_LOCKDET_DELAY); 1195 return 0; 1196 } 1197 } 1198 return -ETIMEDOUT; 1199 } 1200 1201 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx, 1202 struct tegra_clk_pll_freq_table *cfg) 1203 { 1204 u32 val, base, ndiv_new_mask; 1205 1206 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift) 1207 << PLLX_MISC2_NDIV_NEW_SHIFT; 1208 1209 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1210 val &= (~ndiv_new_mask); 1211 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT; 1212 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1213 udelay(1); 1214 1215 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1216 val |= PLLX_MISC2_EN_DYNRAMP; 1217 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1218 udelay(1); 1219 1220 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2], 1221 PLLX_MISC2_DYNRAMP_DONE); 1222 1223 base = readl_relaxed(clk_base + pllx->params->base_reg) & 1224 (~divn_mask_shifted(pllx)); 1225 base |= cfg->n << pllx->params->div_nmp->divn_shift; 1226 writel_relaxed(base, clk_base + pllx->params->base_reg); 1227 udelay(1); 1228 1229 val &= ~PLLX_MISC2_EN_DYNRAMP; 1230 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1231 udelay(1); 1232 1233 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n", 1234 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p, 1235 cfg->input_rate / cfg->m * cfg->n / 1236 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000); 1237 1238 return 0; 1239 } 1240 1241 /* 1242 * Common configuration for PLLs with fixed input divider policy: 1243 * - always set fixed M-value based on the reference rate 1244 * - always set P-value value 1:1 for output rates above VCO minimum, and 1245 * choose minimum necessary P-value for output rates below VCO maximum 1246 * - calculate N-value based on selected M and P 1247 * - calculate SDM_DIN fractional part 1248 */ 1249 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw, 1250 struct tegra_clk_pll_freq_table *cfg, 1251 unsigned long rate, unsigned long input_rate) 1252 { 1253 struct tegra_clk_pll *pll = to_clk_pll(hw); 1254 struct tegra_clk_pll_params *params = pll->params; 1255 int p; 1256 unsigned long cf, p_rate; 1257 u32 pdiv; 1258 1259 if (!rate) 1260 return -EINVAL; 1261 1262 if (!(params->flags & TEGRA_PLL_VCO_OUT)) { 1263 p = DIV_ROUND_UP(params->vco_min, rate); 1264 p = params->round_p_to_pdiv(p, &pdiv); 1265 } else { 1266 p = rate >= params->vco_min ? 1 : -EINVAL; 1267 } 1268 1269 if (p < 0) 1270 return -EINVAL; 1271 1272 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate); 1273 cfg->p = p; 1274 1275 /* Store P as HW value, as that is what is expected */ 1276 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p); 1277 1278 p_rate = rate * p; 1279 if (p_rate > params->vco_max) 1280 p_rate = params->vco_max; 1281 cf = input_rate / cfg->m; 1282 cfg->n = p_rate / cf; 1283 1284 cfg->sdm_data = 0; 1285 cfg->output_rate = input_rate; 1286 if (params->sdm_ctrl_reg) { 1287 unsigned long rem = p_rate - cf * cfg->n; 1288 /* If ssc is enabled SDM enabled as well, even for integer n */ 1289 if (rem || params->ssc_ctrl_reg) { 1290 u64 s = rem * PLL_SDM_COEFF; 1291 1292 do_div(s, cf); 1293 s -= PLL_SDM_COEFF / 2; 1294 cfg->sdm_data = sdin_din_to_data(s); 1295 } 1296 cfg->output_rate *= sdin_get_n_eff(cfg); 1297 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF; 1298 } else { 1299 cfg->output_rate *= cfg->n; 1300 cfg->output_rate /= p * cfg->m; 1301 } 1302 1303 cfg->input_rate = input_rate; 1304 1305 return 0; 1306 } 1307 1308 /* 1309 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate 1310 * 1311 * @cfg: struct tegra_clk_pll_freq_table * cfg 1312 * 1313 * For Normal mode: 1314 * Fvco = Fref * NDIV / MDIV 1315 * 1316 * For fractional mode: 1317 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV 1318 */ 1319 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg) 1320 { 1321 cfg->n = sdin_get_n_eff(cfg); 1322 cfg->m *= PLL_SDM_COEFF; 1323 } 1324 1325 static unsigned long 1326 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, 1327 unsigned long parent_rate) 1328 { 1329 unsigned long vco_min = params->vco_min; 1330 1331 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF); 1332 vco_min = min(vco_min, params->vco_min); 1333 1334 return vco_min; 1335 } 1336 1337 static struct div_nmp pllx_nmp = { 1338 .divm_shift = 0, 1339 .divm_width = 8, 1340 .divn_shift = 8, 1341 .divn_width = 8, 1342 .divp_shift = 20, 1343 .divp_width = 5, 1344 }; 1345 /* 1346 * PLL post divider maps - two types: quasi-linear and exponential 1347 * post divider. 1348 */ 1349 #define PLL_QLIN_PDIV_MAX 16 1350 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = { 1351 { .pdiv = 1, .hw_val = 0 }, 1352 { .pdiv = 2, .hw_val = 1 }, 1353 { .pdiv = 3, .hw_val = 2 }, 1354 { .pdiv = 4, .hw_val = 3 }, 1355 { .pdiv = 5, .hw_val = 4 }, 1356 { .pdiv = 6, .hw_val = 5 }, 1357 { .pdiv = 8, .hw_val = 6 }, 1358 { .pdiv = 9, .hw_val = 7 }, 1359 { .pdiv = 10, .hw_val = 8 }, 1360 { .pdiv = 12, .hw_val = 9 }, 1361 { .pdiv = 15, .hw_val = 10 }, 1362 { .pdiv = 16, .hw_val = 11 }, 1363 { .pdiv = 18, .hw_val = 12 }, 1364 { .pdiv = 20, .hw_val = 13 }, 1365 { .pdiv = 24, .hw_val = 14 }, 1366 { .pdiv = 30, .hw_val = 15 }, 1367 { .pdiv = 32, .hw_val = 16 }, 1368 }; 1369 1370 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv) 1371 { 1372 int i; 1373 1374 if (p) { 1375 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) { 1376 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) { 1377 if (pdiv) 1378 *pdiv = i; 1379 return pll_qlin_pdiv_to_hw[i].pdiv; 1380 } 1381 } 1382 } 1383 1384 return -EINVAL; 1385 } 1386 1387 #define PLL_EXPO_PDIV_MAX 7 1388 static const struct pdiv_map pll_expo_pdiv_to_hw[] = { 1389 { .pdiv = 1, .hw_val = 0 }, 1390 { .pdiv = 2, .hw_val = 1 }, 1391 { .pdiv = 4, .hw_val = 2 }, 1392 { .pdiv = 8, .hw_val = 3 }, 1393 { .pdiv = 16, .hw_val = 4 }, 1394 { .pdiv = 32, .hw_val = 5 }, 1395 { .pdiv = 64, .hw_val = 6 }, 1396 { .pdiv = 128, .hw_val = 7 }, 1397 }; 1398 1399 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv) 1400 { 1401 if (p) { 1402 u32 i = fls(p); 1403 1404 if (i == ffs(p)) 1405 i--; 1406 1407 if (i <= PLL_EXPO_PDIV_MAX) { 1408 if (pdiv) 1409 *pdiv = i; 1410 return 1 << i; 1411 } 1412 } 1413 return -EINVAL; 1414 } 1415 1416 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 1417 /* 1 GHz */ 1418 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */ 1419 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */ 1420 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */ 1421 { 0, 0, 0, 0, 0, 0 }, 1422 }; 1423 1424 static struct tegra_clk_pll_params pll_x_params = { 1425 .input_min = 12000000, 1426 .input_max = 800000000, 1427 .cf_min = 12000000, 1428 .cf_max = 38400000, 1429 .vco_min = 1350000000, 1430 .vco_max = 3000000000UL, 1431 .base_reg = PLLX_BASE, 1432 .misc_reg = PLLX_MISC0, 1433 .lock_mask = PLL_BASE_LOCK, 1434 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 1435 .lock_delay = 300, 1436 .ext_misc_reg[0] = PLLX_MISC0, 1437 .ext_misc_reg[1] = PLLX_MISC1, 1438 .ext_misc_reg[2] = PLLX_MISC2, 1439 .ext_misc_reg[3] = PLLX_MISC3, 1440 .ext_misc_reg[4] = PLLX_MISC4, 1441 .ext_misc_reg[5] = PLLX_MISC5, 1442 .iddq_reg = PLLX_MISC3, 1443 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1444 .max_p = PLL_QLIN_PDIV_MAX, 1445 .mdiv_default = 2, 1446 .dyn_ramp_reg = PLLX_MISC2, 1447 .stepa_shift = 16, 1448 .stepb_shift = 24, 1449 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1450 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1451 .div_nmp = &pllx_nmp, 1452 .freq_table = pll_x_freq_table, 1453 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1454 .dyn_ramp = tegra210_pllx_dyn_ramp, 1455 .set_defaults = tegra210_pllx_set_defaults, 1456 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1457 }; 1458 1459 static struct div_nmp pllc_nmp = { 1460 .divm_shift = 0, 1461 .divm_width = 8, 1462 .divn_shift = 10, 1463 .divn_width = 8, 1464 .divp_shift = 20, 1465 .divp_width = 5, 1466 }; 1467 1468 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { 1469 { 12000000, 510000000, 85, 1, 2, 0 }, 1470 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */ 1471 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */ 1472 { 0, 0, 0, 0, 0, 0 }, 1473 }; 1474 1475 static struct tegra_clk_pll_params pll_c_params = { 1476 .input_min = 12000000, 1477 .input_max = 700000000, 1478 .cf_min = 12000000, 1479 .cf_max = 50000000, 1480 .vco_min = 600000000, 1481 .vco_max = 1200000000, 1482 .base_reg = PLLC_BASE, 1483 .misc_reg = PLLC_MISC0, 1484 .lock_mask = PLL_BASE_LOCK, 1485 .lock_delay = 300, 1486 .iddq_reg = PLLC_MISC1, 1487 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1488 .reset_reg = PLLC_MISC0, 1489 .reset_bit_idx = PLLCX_RESET_BIT, 1490 .max_p = PLL_QLIN_PDIV_MAX, 1491 .ext_misc_reg[0] = PLLC_MISC0, 1492 .ext_misc_reg[1] = PLLC_MISC1, 1493 .ext_misc_reg[2] = PLLC_MISC2, 1494 .ext_misc_reg[3] = PLLC_MISC3, 1495 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1496 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1497 .mdiv_default = 3, 1498 .div_nmp = &pllc_nmp, 1499 .freq_table = pll_cx_freq_table, 1500 .flags = TEGRA_PLL_USE_LOCK, 1501 .set_defaults = _pllc_set_defaults, 1502 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1503 }; 1504 1505 static struct div_nmp pllcx_nmp = { 1506 .divm_shift = 0, 1507 .divm_width = 8, 1508 .divn_shift = 10, 1509 .divn_width = 8, 1510 .divp_shift = 20, 1511 .divp_width = 5, 1512 }; 1513 1514 static struct tegra_clk_pll_params pll_c2_params = { 1515 .input_min = 12000000, 1516 .input_max = 700000000, 1517 .cf_min = 12000000, 1518 .cf_max = 50000000, 1519 .vco_min = 600000000, 1520 .vco_max = 1200000000, 1521 .base_reg = PLLC2_BASE, 1522 .misc_reg = PLLC2_MISC0, 1523 .iddq_reg = PLLC2_MISC1, 1524 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1525 .reset_reg = PLLC2_MISC0, 1526 .reset_bit_idx = PLLCX_RESET_BIT, 1527 .lock_mask = PLLCX_BASE_LOCK, 1528 .lock_delay = 300, 1529 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1530 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1531 .mdiv_default = 3, 1532 .div_nmp = &pllcx_nmp, 1533 .max_p = PLL_QLIN_PDIV_MAX, 1534 .ext_misc_reg[0] = PLLC2_MISC0, 1535 .ext_misc_reg[1] = PLLC2_MISC1, 1536 .ext_misc_reg[2] = PLLC2_MISC2, 1537 .ext_misc_reg[3] = PLLC2_MISC3, 1538 .freq_table = pll_cx_freq_table, 1539 .flags = TEGRA_PLL_USE_LOCK, 1540 .set_defaults = _pllc2_set_defaults, 1541 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1542 }; 1543 1544 static struct tegra_clk_pll_params pll_c3_params = { 1545 .input_min = 12000000, 1546 .input_max = 700000000, 1547 .cf_min = 12000000, 1548 .cf_max = 50000000, 1549 .vco_min = 600000000, 1550 .vco_max = 1200000000, 1551 .base_reg = PLLC3_BASE, 1552 .misc_reg = PLLC3_MISC0, 1553 .lock_mask = PLLCX_BASE_LOCK, 1554 .lock_delay = 300, 1555 .iddq_reg = PLLC3_MISC1, 1556 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1557 .reset_reg = PLLC3_MISC0, 1558 .reset_bit_idx = PLLCX_RESET_BIT, 1559 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1560 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1561 .mdiv_default = 3, 1562 .div_nmp = &pllcx_nmp, 1563 .max_p = PLL_QLIN_PDIV_MAX, 1564 .ext_misc_reg[0] = PLLC3_MISC0, 1565 .ext_misc_reg[1] = PLLC3_MISC1, 1566 .ext_misc_reg[2] = PLLC3_MISC2, 1567 .ext_misc_reg[3] = PLLC3_MISC3, 1568 .freq_table = pll_cx_freq_table, 1569 .flags = TEGRA_PLL_USE_LOCK, 1570 .set_defaults = _pllc3_set_defaults, 1571 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1572 }; 1573 1574 static struct div_nmp pllss_nmp = { 1575 .divm_shift = 0, 1576 .divm_width = 8, 1577 .divn_shift = 8, 1578 .divn_width = 8, 1579 .divp_shift = 19, 1580 .divp_width = 5, 1581 }; 1582 1583 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = { 1584 { 12000000, 600000000, 50, 1, 1, 0 }, 1585 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */ 1586 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */ 1587 { 0, 0, 0, 0, 0, 0 }, 1588 }; 1589 1590 static const struct clk_div_table pll_vco_post_div_table[] = { 1591 { .val = 0, .div = 1 }, 1592 { .val = 1, .div = 2 }, 1593 { .val = 2, .div = 3 }, 1594 { .val = 3, .div = 4 }, 1595 { .val = 4, .div = 5 }, 1596 { .val = 5, .div = 6 }, 1597 { .val = 6, .div = 8 }, 1598 { .val = 7, .div = 10 }, 1599 { .val = 8, .div = 12 }, 1600 { .val = 9, .div = 16 }, 1601 { .val = 10, .div = 12 }, 1602 { .val = 11, .div = 16 }, 1603 { .val = 12, .div = 20 }, 1604 { .val = 13, .div = 24 }, 1605 { .val = 14, .div = 32 }, 1606 { .val = 0, .div = 0 }, 1607 }; 1608 1609 static struct tegra_clk_pll_params pll_c4_vco_params = { 1610 .input_min = 9600000, 1611 .input_max = 800000000, 1612 .cf_min = 9600000, 1613 .cf_max = 19200000, 1614 .vco_min = 500000000, 1615 .vco_max = 1080000000, 1616 .base_reg = PLLC4_BASE, 1617 .misc_reg = PLLC4_MISC0, 1618 .lock_mask = PLL_BASE_LOCK, 1619 .lock_delay = 300, 1620 .max_p = PLL_QLIN_PDIV_MAX, 1621 .ext_misc_reg[0] = PLLC4_MISC0, 1622 .iddq_reg = PLLC4_BASE, 1623 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1624 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1625 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1626 .mdiv_default = 3, 1627 .div_nmp = &pllss_nmp, 1628 .freq_table = pll_c4_vco_freq_table, 1629 .set_defaults = tegra210_pllc4_set_defaults, 1630 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1631 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1632 }; 1633 1634 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 1635 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */ 1636 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */ 1637 { 38400000, 297600000, 93, 4, 3, 0 }, 1638 { 38400000, 400000000, 125, 4, 3, 0 }, 1639 { 38400000, 532800000, 111, 4, 2, 0 }, 1640 { 38400000, 665600000, 104, 3, 2, 0 }, 1641 { 38400000, 800000000, 125, 3, 2, 0 }, 1642 { 38400000, 931200000, 97, 4, 1, 0 }, 1643 { 38400000, 1065600000, 111, 4, 1, 0 }, 1644 { 38400000, 1200000000, 125, 4, 1, 0 }, 1645 { 38400000, 1331200000, 104, 3, 1, 0 }, 1646 { 38400000, 1459200000, 76, 2, 1, 0 }, 1647 { 38400000, 1600000000, 125, 3, 1, 0 }, 1648 { 0, 0, 0, 0, 0, 0 }, 1649 }; 1650 1651 static struct div_nmp pllm_nmp = { 1652 .divm_shift = 0, 1653 .divm_width = 8, 1654 .override_divm_shift = 0, 1655 .divn_shift = 8, 1656 .divn_width = 8, 1657 .override_divn_shift = 8, 1658 .divp_shift = 20, 1659 .divp_width = 5, 1660 .override_divp_shift = 27, 1661 }; 1662 1663 static struct tegra_clk_pll_params pll_m_params = { 1664 .input_min = 9600000, 1665 .input_max = 500000000, 1666 .cf_min = 9600000, 1667 .cf_max = 19200000, 1668 .vco_min = 800000000, 1669 .vco_max = 1866000000, 1670 .base_reg = PLLM_BASE, 1671 .misc_reg = PLLM_MISC2, 1672 .lock_mask = PLL_BASE_LOCK, 1673 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE, 1674 .lock_delay = 300, 1675 .iddq_reg = PLLM_MISC2, 1676 .iddq_bit_idx = PLLM_IDDQ_BIT, 1677 .max_p = PLL_QLIN_PDIV_MAX, 1678 .ext_misc_reg[0] = PLLM_MISC2, 1679 .ext_misc_reg[1] = PLLM_MISC1, 1680 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1681 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1682 .div_nmp = &pllm_nmp, 1683 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 1684 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, 1685 .freq_table = pll_m_freq_table, 1686 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1687 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1688 }; 1689 1690 static struct tegra_clk_pll_params pll_mb_params = { 1691 .input_min = 9600000, 1692 .input_max = 500000000, 1693 .cf_min = 9600000, 1694 .cf_max = 19200000, 1695 .vco_min = 800000000, 1696 .vco_max = 1866000000, 1697 .base_reg = PLLMB_BASE, 1698 .misc_reg = PLLMB_MISC1, 1699 .lock_mask = PLL_BASE_LOCK, 1700 .lock_delay = 300, 1701 .iddq_reg = PLLMB_MISC1, 1702 .iddq_bit_idx = PLLMB_IDDQ_BIT, 1703 .max_p = PLL_QLIN_PDIV_MAX, 1704 .ext_misc_reg[0] = PLLMB_MISC1, 1705 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1706 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1707 .div_nmp = &pllm_nmp, 1708 .freq_table = pll_m_freq_table, 1709 .flags = TEGRA_PLL_USE_LOCK, 1710 .set_defaults = tegra210_pllmb_set_defaults, 1711 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1712 }; 1713 1714 1715 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 1716 /* PLLE special case: use cpcon field to store cml divider value */ 1717 { 672000000, 100000000, 125, 42, 0, 13 }, 1718 { 624000000, 100000000, 125, 39, 0, 13 }, 1719 { 336000000, 100000000, 125, 21, 0, 13 }, 1720 { 312000000, 100000000, 200, 26, 0, 14 }, 1721 { 38400000, 100000000, 125, 2, 0, 14 }, 1722 { 12000000, 100000000, 200, 1, 0, 14 }, 1723 { 0, 0, 0, 0, 0, 0 }, 1724 }; 1725 1726 static struct div_nmp plle_nmp = { 1727 .divm_shift = 0, 1728 .divm_width = 8, 1729 .divn_shift = 8, 1730 .divn_width = 8, 1731 .divp_shift = 24, 1732 .divp_width = 5, 1733 }; 1734 1735 static struct tegra_clk_pll_params pll_e_params = { 1736 .input_min = 12000000, 1737 .input_max = 800000000, 1738 .cf_min = 12000000, 1739 .cf_max = 38400000, 1740 .vco_min = 1600000000, 1741 .vco_max = 2500000000U, 1742 .base_reg = PLLE_BASE, 1743 .misc_reg = PLLE_MISC0, 1744 .aux_reg = PLLE_AUX, 1745 .lock_mask = PLLE_MISC_LOCK, 1746 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 1747 .lock_delay = 300, 1748 .div_nmp = &plle_nmp, 1749 .freq_table = pll_e_freq_table, 1750 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK | 1751 TEGRA_PLL_HAS_LOCK_ENABLE, 1752 .fixed_rate = 100000000, 1753 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1754 }; 1755 1756 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = { 1757 { 12000000, 672000000, 56, 1, 1, 0 }, 1758 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */ 1759 { 38400000, 672000000, 70, 4, 1, 0 }, 1760 { 0, 0, 0, 0, 0, 0 }, 1761 }; 1762 1763 static struct div_nmp pllre_nmp = { 1764 .divm_shift = 0, 1765 .divm_width = 8, 1766 .divn_shift = 8, 1767 .divn_width = 8, 1768 .divp_shift = 16, 1769 .divp_width = 5, 1770 }; 1771 1772 static struct tegra_clk_pll_params pll_re_vco_params = { 1773 .input_min = 9600000, 1774 .input_max = 800000000, 1775 .cf_min = 9600000, 1776 .cf_max = 19200000, 1777 .vco_min = 350000000, 1778 .vco_max = 700000000, 1779 .base_reg = PLLRE_BASE, 1780 .misc_reg = PLLRE_MISC0, 1781 .lock_mask = PLLRE_MISC_LOCK, 1782 .lock_delay = 300, 1783 .max_p = PLL_QLIN_PDIV_MAX, 1784 .ext_misc_reg[0] = PLLRE_MISC0, 1785 .iddq_reg = PLLRE_MISC0, 1786 .iddq_bit_idx = PLLRE_IDDQ_BIT, 1787 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1788 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1789 .div_nmp = &pllre_nmp, 1790 .freq_table = pll_re_vco_freq_table, 1791 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT, 1792 .set_defaults = tegra210_pllre_set_defaults, 1793 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1794 }; 1795 1796 static struct div_nmp pllp_nmp = { 1797 .divm_shift = 0, 1798 .divm_width = 8, 1799 .divn_shift = 10, 1800 .divn_width = 8, 1801 .divp_shift = 20, 1802 .divp_width = 5, 1803 }; 1804 1805 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 1806 { 12000000, 408000000, 34, 1, 1, 0 }, 1807 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */ 1808 { 0, 0, 0, 0, 0, 0 }, 1809 }; 1810 1811 static struct tegra_clk_pll_params pll_p_params = { 1812 .input_min = 9600000, 1813 .input_max = 800000000, 1814 .cf_min = 9600000, 1815 .cf_max = 19200000, 1816 .vco_min = 350000000, 1817 .vco_max = 700000000, 1818 .base_reg = PLLP_BASE, 1819 .misc_reg = PLLP_MISC0, 1820 .lock_mask = PLL_BASE_LOCK, 1821 .lock_delay = 300, 1822 .iddq_reg = PLLP_MISC0, 1823 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1824 .ext_misc_reg[0] = PLLP_MISC0, 1825 .ext_misc_reg[1] = PLLP_MISC1, 1826 .div_nmp = &pllp_nmp, 1827 .freq_table = pll_p_freq_table, 1828 .fixed_rate = 408000000, 1829 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1830 .set_defaults = tegra210_pllp_set_defaults, 1831 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1832 }; 1833 1834 static struct tegra_clk_pll_params pll_a1_params = { 1835 .input_min = 12000000, 1836 .input_max = 700000000, 1837 .cf_min = 12000000, 1838 .cf_max = 50000000, 1839 .vco_min = 600000000, 1840 .vco_max = 1200000000, 1841 .base_reg = PLLA1_BASE, 1842 .misc_reg = PLLA1_MISC0, 1843 .lock_mask = PLLCX_BASE_LOCK, 1844 .lock_delay = 300, 1845 .iddq_reg = PLLA1_MISC1, 1846 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1847 .reset_reg = PLLA1_MISC0, 1848 .reset_bit_idx = PLLCX_RESET_BIT, 1849 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1850 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1851 .div_nmp = &pllc_nmp, 1852 .ext_misc_reg[0] = PLLA1_MISC0, 1853 .ext_misc_reg[1] = PLLA1_MISC1, 1854 .ext_misc_reg[2] = PLLA1_MISC2, 1855 .ext_misc_reg[3] = PLLA1_MISC3, 1856 .freq_table = pll_cx_freq_table, 1857 .flags = TEGRA_PLL_USE_LOCK, 1858 .set_defaults = _plla1_set_defaults, 1859 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1860 }; 1861 1862 static struct div_nmp plla_nmp = { 1863 .divm_shift = 0, 1864 .divm_width = 8, 1865 .divn_shift = 8, 1866 .divn_width = 8, 1867 .divp_shift = 20, 1868 .divp_width = 5, 1869 }; 1870 1871 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 1872 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */ 1873 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */ 1874 { 12000000, 240000000, 60, 1, 3, 1, 0 }, 1875 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */ 1876 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */ 1877 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */ 1878 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */ 1879 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */ 1880 { 38400000, 240000000, 75, 3, 3, 1, 0 }, 1881 { 0, 0, 0, 0, 0, 0, 0 }, 1882 }; 1883 1884 static struct tegra_clk_pll_params pll_a_params = { 1885 .input_min = 12000000, 1886 .input_max = 800000000, 1887 .cf_min = 12000000, 1888 .cf_max = 19200000, 1889 .vco_min = 500000000, 1890 .vco_max = 1000000000, 1891 .base_reg = PLLA_BASE, 1892 .misc_reg = PLLA_MISC0, 1893 .lock_mask = PLL_BASE_LOCK, 1894 .lock_delay = 300, 1895 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1896 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1897 .iddq_reg = PLLA_BASE, 1898 .iddq_bit_idx = PLLA_IDDQ_BIT, 1899 .div_nmp = &plla_nmp, 1900 .sdm_din_reg = PLLA_MISC1, 1901 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1902 .sdm_ctrl_reg = PLLA_MISC2, 1903 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK, 1904 .ext_misc_reg[0] = PLLA_MISC0, 1905 .ext_misc_reg[1] = PLLA_MISC1, 1906 .ext_misc_reg[2] = PLLA_MISC2, 1907 .freq_table = pll_a_freq_table, 1908 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW, 1909 .set_defaults = tegra210_plla_set_defaults, 1910 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1911 .set_gain = tegra210_clk_pll_set_gain, 1912 .adjust_vco = tegra210_clk_adjust_vco_min, 1913 }; 1914 1915 static struct div_nmp plld_nmp = { 1916 .divm_shift = 0, 1917 .divm_width = 8, 1918 .divn_shift = 11, 1919 .divn_width = 8, 1920 .divp_shift = 20, 1921 .divp_width = 3, 1922 }; 1923 1924 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 1925 { 12000000, 594000000, 99, 1, 2, 0, 0 }, 1926 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 1927 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 1928 { 0, 0, 0, 0, 0, 0, 0 }, 1929 }; 1930 1931 static struct tegra_clk_pll_params pll_d_params = { 1932 .input_min = 12000000, 1933 .input_max = 800000000, 1934 .cf_min = 12000000, 1935 .cf_max = 38400000, 1936 .vco_min = 750000000, 1937 .vco_max = 1500000000, 1938 .base_reg = PLLD_BASE, 1939 .misc_reg = PLLD_MISC0, 1940 .lock_mask = PLL_BASE_LOCK, 1941 .lock_delay = 1000, 1942 .iddq_reg = PLLD_MISC0, 1943 .iddq_bit_idx = PLLD_IDDQ_BIT, 1944 .round_p_to_pdiv = pll_expo_p_to_pdiv, 1945 .pdiv_tohw = pll_expo_pdiv_to_hw, 1946 .div_nmp = &plld_nmp, 1947 .sdm_din_reg = PLLD_MISC0, 1948 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1949 .sdm_ctrl_reg = PLLD_MISC0, 1950 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK, 1951 .ext_misc_reg[0] = PLLD_MISC0, 1952 .ext_misc_reg[1] = PLLD_MISC1, 1953 .freq_table = pll_d_freq_table, 1954 .flags = TEGRA_PLL_USE_LOCK, 1955 .mdiv_default = 1, 1956 .set_defaults = tegra210_plld_set_defaults, 1957 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1958 .set_gain = tegra210_clk_pll_set_gain, 1959 .adjust_vco = tegra210_clk_adjust_vco_min, 1960 }; 1961 1962 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = { 1963 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 }, 1964 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 1965 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 1966 { 0, 0, 0, 0, 0, 0, 0 }, 1967 }; 1968 1969 /* s/w policy, always tegra_pll_ref */ 1970 static struct tegra_clk_pll_params pll_d2_params = { 1971 .input_min = 12000000, 1972 .input_max = 800000000, 1973 .cf_min = 12000000, 1974 .cf_max = 38400000, 1975 .vco_min = 750000000, 1976 .vco_max = 1500000000, 1977 .base_reg = PLLD2_BASE, 1978 .misc_reg = PLLD2_MISC0, 1979 .lock_mask = PLL_BASE_LOCK, 1980 .lock_delay = 300, 1981 .iddq_reg = PLLD2_BASE, 1982 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1983 .sdm_din_reg = PLLD2_MISC3, 1984 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1985 .sdm_ctrl_reg = PLLD2_MISC1, 1986 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK, 1987 /* disable spread-spectrum for pll_d2 */ 1988 .ssc_ctrl_reg = 0, 1989 .ssc_ctrl_en_mask = 0, 1990 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1991 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1992 .div_nmp = &pllss_nmp, 1993 .ext_misc_reg[0] = PLLD2_MISC0, 1994 .ext_misc_reg[1] = PLLD2_MISC1, 1995 .ext_misc_reg[2] = PLLD2_MISC2, 1996 .ext_misc_reg[3] = PLLD2_MISC3, 1997 .max_p = PLL_QLIN_PDIV_MAX, 1998 .mdiv_default = 1, 1999 .freq_table = tegra210_pll_d2_freq_table, 2000 .set_defaults = tegra210_plld2_set_defaults, 2001 .flags = TEGRA_PLL_USE_LOCK, 2002 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2003 .set_gain = tegra210_clk_pll_set_gain, 2004 .adjust_vco = tegra210_clk_adjust_vco_min, 2005 }; 2006 2007 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = { 2008 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 }, 2009 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */ 2010 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 }, 2011 { 0, 0, 0, 0, 0, 0, 0 }, 2012 }; 2013 2014 static struct tegra_clk_pll_params pll_dp_params = { 2015 .input_min = 12000000, 2016 .input_max = 800000000, 2017 .cf_min = 12000000, 2018 .cf_max = 38400000, 2019 .vco_min = 750000000, 2020 .vco_max = 1500000000, 2021 .base_reg = PLLDP_BASE, 2022 .misc_reg = PLLDP_MISC, 2023 .lock_mask = PLL_BASE_LOCK, 2024 .lock_delay = 300, 2025 .iddq_reg = PLLDP_BASE, 2026 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2027 .sdm_din_reg = PLLDP_SS_CTRL2, 2028 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2029 .sdm_ctrl_reg = PLLDP_SS_CFG, 2030 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK, 2031 .ssc_ctrl_reg = PLLDP_SS_CFG, 2032 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK, 2033 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2034 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2035 .div_nmp = &pllss_nmp, 2036 .ext_misc_reg[0] = PLLDP_MISC, 2037 .ext_misc_reg[1] = PLLDP_SS_CFG, 2038 .ext_misc_reg[2] = PLLDP_SS_CTRL1, 2039 .ext_misc_reg[3] = PLLDP_SS_CTRL2, 2040 .max_p = PLL_QLIN_PDIV_MAX, 2041 .mdiv_default = 1, 2042 .freq_table = pll_dp_freq_table, 2043 .set_defaults = tegra210_plldp_set_defaults, 2044 .flags = TEGRA_PLL_USE_LOCK, 2045 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2046 .set_gain = tegra210_clk_pll_set_gain, 2047 .adjust_vco = tegra210_clk_adjust_vco_min, 2048 }; 2049 2050 static struct div_nmp pllu_nmp = { 2051 .divm_shift = 0, 2052 .divm_width = 8, 2053 .divn_shift = 8, 2054 .divn_width = 8, 2055 .divp_shift = 16, 2056 .divp_width = 5, 2057 }; 2058 2059 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 2060 { 12000000, 480000000, 40, 1, 0, 0 }, 2061 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */ 2062 { 38400000, 480000000, 25, 2, 0, 0 }, 2063 { 0, 0, 0, 0, 0, 0 }, 2064 }; 2065 2066 static struct tegra_clk_pll_params pll_u_vco_params = { 2067 .input_min = 9600000, 2068 .input_max = 800000000, 2069 .cf_min = 9600000, 2070 .cf_max = 19200000, 2071 .vco_min = 350000000, 2072 .vco_max = 700000000, 2073 .base_reg = PLLU_BASE, 2074 .misc_reg = PLLU_MISC0, 2075 .lock_mask = PLL_BASE_LOCK, 2076 .lock_delay = 1000, 2077 .iddq_reg = PLLU_MISC0, 2078 .iddq_bit_idx = PLLU_IDDQ_BIT, 2079 .ext_misc_reg[0] = PLLU_MISC0, 2080 .ext_misc_reg[1] = PLLU_MISC1, 2081 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2082 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2083 .div_nmp = &pllu_nmp, 2084 .freq_table = pll_u_freq_table, 2085 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2086 }; 2087 2088 struct utmi_clk_param { 2089 /* Oscillator Frequency in KHz */ 2090 u32 osc_frequency; 2091 /* UTMIP PLL Enable Delay Count */ 2092 u8 enable_delay_count; 2093 /* UTMIP PLL Stable count */ 2094 u16 stable_count; 2095 /* UTMIP PLL Active delay count */ 2096 u8 active_delay_count; 2097 /* UTMIP PLL Xtal frequency count */ 2098 u16 xtal_freq_count; 2099 }; 2100 2101 static const struct utmi_clk_param utmi_parameters[] = { 2102 { 2103 .osc_frequency = 38400000, .enable_delay_count = 0x0, 2104 .stable_count = 0x0, .active_delay_count = 0x6, 2105 .xtal_freq_count = 0x80 2106 }, { 2107 .osc_frequency = 13000000, .enable_delay_count = 0x02, 2108 .stable_count = 0x33, .active_delay_count = 0x05, 2109 .xtal_freq_count = 0x7f 2110 }, { 2111 .osc_frequency = 19200000, .enable_delay_count = 0x03, 2112 .stable_count = 0x4b, .active_delay_count = 0x06, 2113 .xtal_freq_count = 0xbb 2114 }, { 2115 .osc_frequency = 12000000, .enable_delay_count = 0x02, 2116 .stable_count = 0x2f, .active_delay_count = 0x08, 2117 .xtal_freq_count = 0x76 2118 }, { 2119 .osc_frequency = 26000000, .enable_delay_count = 0x04, 2120 .stable_count = 0x66, .active_delay_count = 0x09, 2121 .xtal_freq_count = 0xfe 2122 }, { 2123 .osc_frequency = 16800000, .enable_delay_count = 0x03, 2124 .stable_count = 0x41, .active_delay_count = 0x0a, 2125 .xtal_freq_count = 0xa4 2126 }, 2127 }; 2128 2129 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { 2130 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true }, 2131 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, 2132 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, 2133 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, 2134 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true }, 2135 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, 2136 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, 2137 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, 2138 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true }, 2139 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, 2140 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, 2141 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, 2142 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true }, 2143 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true }, 2144 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true }, 2145 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true }, 2146 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true }, 2147 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true }, 2148 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true }, 2149 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true }, 2150 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true }, 2151 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true }, 2152 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true }, 2153 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true }, 2154 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true }, 2155 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true }, 2156 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true }, 2157 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true }, 2158 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true }, 2159 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true }, 2160 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true }, 2161 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true }, 2162 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true }, 2163 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true }, 2164 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true }, 2165 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true }, 2166 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true }, 2167 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true }, 2168 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true }, 2169 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true }, 2170 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true }, 2171 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true }, 2172 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true }, 2173 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true }, 2174 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true }, 2175 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true }, 2176 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true }, 2177 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true }, 2178 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true }, 2179 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true }, 2180 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true }, 2181 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true }, 2182 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true }, 2183 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true }, 2184 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true }, 2185 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true }, 2186 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true }, 2187 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true }, 2188 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true }, 2189 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true }, 2190 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true }, 2191 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true }, 2192 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true }, 2193 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true }, 2194 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true }, 2195 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true }, 2196 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true }, 2197 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true }, 2198 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true }, 2199 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true }, 2200 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true }, 2201 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true }, 2202 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true }, 2203 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true }, 2204 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true }, 2205 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true }, 2206 [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true }, 2207 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true }, 2208 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, }, 2209 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true }, 2210 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true }, 2211 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true }, 2212 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true }, 2213 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true }, 2214 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true }, 2215 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true }, 2216 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true }, 2217 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true }, 2218 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true }, 2219 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true }, 2220 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true }, 2221 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true }, 2222 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true }, 2223 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true }, 2224 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true }, 2225 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true }, 2226 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true }, 2227 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true }, 2228 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true }, 2229 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true }, 2230 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true }, 2231 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true }, 2232 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true }, 2233 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true }, 2234 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true }, 2235 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true }, 2236 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true }, 2237 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true }, 2238 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true }, 2239 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true }, 2240 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true }, 2241 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true }, 2242 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true }, 2243 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true }, 2244 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true }, 2245 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true }, 2246 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true }, 2247 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true }, 2248 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true }, 2249 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true }, 2250 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true }, 2251 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true }, 2252 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true }, 2253 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true }, 2254 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true }, 2255 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true }, 2256 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true }, 2257 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true }, 2258 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true }, 2259 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true }, 2260 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true }, 2261 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true }, 2262 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true }, 2263 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true }, 2264 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true }, 2265 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true }, 2266 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true }, 2267 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true }, 2268 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true }, 2269 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true }, 2270 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true }, 2271 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true }, 2272 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true }, 2273 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true }, 2274 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true }, 2275 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true }, 2276 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true }, 2277 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true }, 2278 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true }, 2279 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true }, 2280 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true }, 2281 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true }, 2282 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true }, 2283 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true }, 2284 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true }, 2285 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true }, 2286 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true }, 2287 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true }, 2288 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true }, 2289 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true }, 2290 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true }, 2291 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true }, 2292 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true }, 2293 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true }, 2294 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true }, 2295 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true }, 2296 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true }, 2297 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true }, 2298 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true }, 2299 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true }, 2300 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true }, 2301 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true }, 2302 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true }, 2303 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true }, 2304 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true }, 2305 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true }, 2306 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true }, 2307 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true }, 2308 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true }, 2309 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true }, 2310 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true }, 2311 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true }, 2312 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true }, 2313 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true }, 2314 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true }, 2315 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true }, 2316 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true }, 2317 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true }, 2318 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true }, 2319 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true }, 2320 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true }, 2321 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true }, 2322 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true }, 2323 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true }, 2324 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true }, 2325 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true }, 2326 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true }, 2327 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true }, 2328 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true }, 2329 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true }, 2330 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true }, 2331 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true }, 2332 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true }, 2333 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true }, 2334 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true }, 2335 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true }, 2336 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true }, 2337 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true }, 2338 }; 2339 2340 static struct tegra_devclk devclks[] __initdata = { 2341 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M }, 2342 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF }, 2343 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K }, 2344 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 }, 2345 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 }, 2346 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C }, 2347 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 }, 2348 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 }, 2349 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 }, 2350 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P }, 2351 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 }, 2352 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 }, 2353 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 }, 2354 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 }, 2355 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M }, 2356 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X }, 2357 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 }, 2358 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U }, 2359 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT }, 2360 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 }, 2361 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 }, 2362 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M }, 2363 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M }, 2364 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M }, 2365 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D }, 2366 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 }, 2367 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 }, 2368 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 }, 2369 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A }, 2370 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 }, 2371 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO }, 2372 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT }, 2373 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC }, 2374 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC }, 2375 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC }, 2376 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC }, 2377 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC }, 2378 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC }, 2379 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC }, 2380 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 }, 2381 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 }, 2382 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 }, 2383 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 }, 2384 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 }, 2385 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF }, 2386 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X }, 2387 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 }, 2388 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 }, 2389 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 }, 2390 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK }, 2391 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G }, 2392 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP }, 2393 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK }, 2394 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK }, 2395 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK }, 2396 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE }, 2397 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC }, 2398 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER }, 2399 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 }, 2400 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 }, 2401 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 }, 2402 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 }, 2403 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX }, 2404 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 }, 2405 }; 2406 2407 static struct tegra_audio_clk_info tegra210_audio_plls[] = { 2408 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" }, 2409 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" }, 2410 }; 2411 2412 static struct clk **clks; 2413 2414 static const char * const aclk_parents[] = { 2415 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3", 2416 "clk_m" 2417 }; 2418 2419 void tegra210_put_utmipll_in_iddq(void) 2420 { 2421 u32 reg; 2422 2423 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2424 2425 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) { 2426 pr_err("trying to assert IDDQ while UTMIPLL is locked\n"); 2427 return; 2428 } 2429 2430 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2431 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2432 } 2433 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq); 2434 2435 void tegra210_put_utmipll_out_iddq(void) 2436 { 2437 u32 reg; 2438 2439 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2440 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2441 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2442 } 2443 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq); 2444 2445 static void tegra210_utmi_param_configure(void) 2446 { 2447 u32 reg; 2448 int i; 2449 2450 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 2451 if (osc_freq == utmi_parameters[i].osc_frequency) 2452 break; 2453 } 2454 2455 if (i >= ARRAY_SIZE(utmi_parameters)) { 2456 pr_err("%s: Unexpected oscillator freq %lu\n", __func__, 2457 osc_freq); 2458 return; 2459 } 2460 2461 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2462 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2463 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2464 2465 udelay(10); 2466 2467 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2468 2469 /* Program UTMIP PLL stable and active counts */ 2470 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ 2471 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 2472 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count); 2473 2474 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 2475 reg |= 2476 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count); 2477 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2478 2479 /* Program UTMIP PLL delay and oscillator frequency counts */ 2480 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2481 2482 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 2483 reg |= 2484 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count); 2485 2486 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 2487 reg |= 2488 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count); 2489 2490 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 2491 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2492 2493 /* Remove power downs from UTMIP PLL control bits */ 2494 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2495 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2496 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2497 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2498 2499 udelay(20); 2500 2501 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */ 2502 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2503 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP; 2504 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP; 2505 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP; 2506 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 2507 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 2508 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN; 2509 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2510 2511 /* Setup HW control of UTMIPLL */ 2512 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2513 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2514 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2515 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2516 2517 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2518 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET; 2519 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL; 2520 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2521 2522 udelay(1); 2523 2524 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2525 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY; 2526 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2527 2528 udelay(1); 2529 2530 /* Enable HW control UTMIPLL */ 2531 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2532 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE; 2533 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2534 } 2535 2536 static int tegra210_enable_pllu(void) 2537 { 2538 struct tegra_clk_pll_freq_table *fentry; 2539 struct tegra_clk_pll pllu; 2540 u32 reg; 2541 2542 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) { 2543 if (fentry->input_rate == pll_ref_freq) 2544 break; 2545 } 2546 2547 if (!fentry->input_rate) { 2548 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq); 2549 return -EINVAL; 2550 } 2551 2552 /* clear IDDQ bit */ 2553 pllu.params = &pll_u_vco_params; 2554 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]); 2555 reg &= ~BIT(pllu.params->iddq_bit_idx); 2556 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]); 2557 udelay(5); 2558 2559 reg = readl_relaxed(clk_base + PLLU_BASE); 2560 reg &= ~GENMASK(20, 0); 2561 reg |= fentry->m; 2562 reg |= fentry->n << 8; 2563 reg |= fentry->p << 16; 2564 writel(reg, clk_base + PLLU_BASE); 2565 udelay(1); 2566 reg |= PLL_ENABLE; 2567 writel(reg, clk_base + PLLU_BASE); 2568 2569 readl_relaxed_poll_timeout(clk_base + PLLU_BASE, reg, 2570 reg & PLL_BASE_LOCK, 2, 1000); 2571 if (!(reg & PLL_BASE_LOCK)) { 2572 pr_err("Timed out waiting for PLL_U to lock\n"); 2573 return -ETIMEDOUT; 2574 } 2575 2576 return 0; 2577 } 2578 2579 static int tegra210_init_pllu(void) 2580 { 2581 u32 reg; 2582 int err; 2583 2584 tegra210_pllu_set_defaults(&pll_u_vco_params); 2585 /* skip initialization when pllu is in hw controlled mode */ 2586 reg = readl_relaxed(clk_base + PLLU_BASE); 2587 if (reg & PLLU_BASE_OVERRIDE) { 2588 if (!(reg & PLL_ENABLE)) { 2589 err = tegra210_enable_pllu(); 2590 if (err < 0) { 2591 WARN_ON(1); 2592 return err; 2593 } 2594 } 2595 /* enable hw controlled mode */ 2596 reg = readl_relaxed(clk_base + PLLU_BASE); 2597 reg &= ~PLLU_BASE_OVERRIDE; 2598 writel(reg, clk_base + PLLU_BASE); 2599 2600 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2601 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE | 2602 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT | 2603 PLLU_HW_PWRDN_CFG0_USE_LOCKDET; 2604 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL | 2605 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL); 2606 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2607 2608 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2609 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK; 2610 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2611 udelay(1); 2612 2613 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2614 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE; 2615 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2616 udelay(1); 2617 2618 reg = readl_relaxed(clk_base + PLLU_BASE); 2619 reg &= ~PLLU_BASE_CLKENABLE_USB; 2620 writel_relaxed(reg, clk_base + PLLU_BASE); 2621 } 2622 2623 /* enable UTMIPLL hw control if not yet done by the bootloader */ 2624 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2625 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE)) 2626 tegra210_utmi_param_configure(); 2627 2628 return 0; 2629 } 2630 2631 static __init void tegra210_periph_clk_init(void __iomem *clk_base, 2632 void __iomem *pmc_base) 2633 { 2634 struct clk *clk; 2635 2636 /* xusb_ss_div2 */ 2637 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, 2638 1, 2); 2639 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk; 2640 2641 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base, 2642 1, 17, 222); 2643 clks[TEGRA210_CLK_SOR_SAFE] = clk; 2644 2645 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base, 2646 1, 17, 181); 2647 clks[TEGRA210_CLK_DPAUX] = clk; 2648 2649 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base, 2650 1, 17, 207); 2651 clks[TEGRA210_CLK_DPAUX1] = clk; 2652 2653 /* pll_d_dsi_out */ 2654 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, 2655 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); 2656 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk; 2657 2658 /* dsia */ 2659 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0, 2660 clk_base, 0, 48, 2661 periph_clk_enb_refcnt); 2662 clks[TEGRA210_CLK_DSIA] = clk; 2663 2664 /* dsib */ 2665 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0, 2666 clk_base, 0, 82, 2667 periph_clk_enb_refcnt); 2668 clks[TEGRA210_CLK_DSIB] = clk; 2669 2670 /* emc mux */ 2671 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, 2672 ARRAY_SIZE(mux_pllmcp_clkm), 0, 2673 clk_base + CLK_SOURCE_EMC, 2674 29, 3, 0, &emc_lock); 2675 2676 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, 2677 &emc_lock); 2678 clks[TEGRA210_CLK_MC] = clk; 2679 2680 /* cml0 */ 2681 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 2682 0, 0, &pll_e_lock); 2683 clk_register_clkdev(clk, "cml0", NULL); 2684 clks[TEGRA210_CLK_CML0] = clk; 2685 2686 /* cml1 */ 2687 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 2688 1, 0, &pll_e_lock); 2689 clk_register_clkdev(clk, "cml1", NULL); 2690 clks[TEGRA210_CLK_CML1] = clk; 2691 2692 clk = tegra_clk_register_super_clk("aclk", aclk_parents, 2693 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0, 2694 0, NULL); 2695 clks[TEGRA210_CLK_ACLK] = clk; 2696 2697 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); 2698 } 2699 2700 static void __init tegra210_pll_init(void __iomem *clk_base, 2701 void __iomem *pmc) 2702 { 2703 struct clk *clk; 2704 2705 /* PLLC */ 2706 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base, 2707 pmc, 0, &pll_c_params, NULL); 2708 if (!WARN_ON(IS_ERR(clk))) 2709 clk_register_clkdev(clk, "pll_c", NULL); 2710 clks[TEGRA210_CLK_PLL_C] = clk; 2711 2712 /* PLLC_OUT1 */ 2713 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 2714 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 2715 8, 8, 1, NULL); 2716 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 2717 clk_base + PLLC_OUT, 1, 0, 2718 CLK_SET_RATE_PARENT, 0, NULL); 2719 clk_register_clkdev(clk, "pll_c_out1", NULL); 2720 clks[TEGRA210_CLK_PLL_C_OUT1] = clk; 2721 2722 /* PLLC_UD */ 2723 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c", 2724 CLK_SET_RATE_PARENT, 1, 1); 2725 clk_register_clkdev(clk, "pll_c_ud", NULL); 2726 clks[TEGRA210_CLK_PLL_C_UD] = clk; 2727 2728 /* PLLC2 */ 2729 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base, 2730 pmc, 0, &pll_c2_params, NULL); 2731 clk_register_clkdev(clk, "pll_c2", NULL); 2732 clks[TEGRA210_CLK_PLL_C2] = clk; 2733 2734 /* PLLC3 */ 2735 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base, 2736 pmc, 0, &pll_c3_params, NULL); 2737 clk_register_clkdev(clk, "pll_c3", NULL); 2738 clks[TEGRA210_CLK_PLL_C3] = clk; 2739 2740 /* PLLM */ 2741 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc, 2742 CLK_SET_RATE_GATE, &pll_m_params, NULL); 2743 clk_register_clkdev(clk, "pll_m", NULL); 2744 clks[TEGRA210_CLK_PLL_M] = clk; 2745 2746 /* PLLMB */ 2747 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc, 2748 CLK_SET_RATE_GATE, &pll_mb_params, NULL); 2749 clk_register_clkdev(clk, "pll_mb", NULL); 2750 clks[TEGRA210_CLK_PLL_MB] = clk; 2751 2752 /* PLLM_UD */ 2753 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", 2754 CLK_SET_RATE_PARENT, 1, 1); 2755 clk_register_clkdev(clk, "pll_m_ud", NULL); 2756 clks[TEGRA210_CLK_PLL_M_UD] = clk; 2757 2758 /* PLLU_VCO */ 2759 if (!tegra210_init_pllu()) { 2760 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0, 2761 480*1000*1000); 2762 clk_register_clkdev(clk, "pll_u_vco", NULL); 2763 clks[TEGRA210_CLK_PLL_U] = clk; 2764 } 2765 2766 /* PLLU_OUT */ 2767 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0, 2768 clk_base + PLLU_BASE, 16, 4, 0, 2769 pll_vco_post_div_table, NULL); 2770 clk_register_clkdev(clk, "pll_u_out", NULL); 2771 clks[TEGRA210_CLK_PLL_U_OUT] = clk; 2772 2773 /* PLLU_OUT1 */ 2774 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out", 2775 clk_base + PLLU_OUTA, 0, 2776 TEGRA_DIVIDER_ROUND_UP, 2777 8, 8, 1, &pll_u_lock); 2778 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div", 2779 clk_base + PLLU_OUTA, 1, 0, 2780 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 2781 clk_register_clkdev(clk, "pll_u_out1", NULL); 2782 clks[TEGRA210_CLK_PLL_U_OUT1] = clk; 2783 2784 /* PLLU_OUT2 */ 2785 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out", 2786 clk_base + PLLU_OUTA, 0, 2787 TEGRA_DIVIDER_ROUND_UP, 2788 24, 8, 1, &pll_u_lock); 2789 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div", 2790 clk_base + PLLU_OUTA, 17, 16, 2791 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 2792 clk_register_clkdev(clk, "pll_u_out2", NULL); 2793 clks[TEGRA210_CLK_PLL_U_OUT2] = clk; 2794 2795 /* PLLU_480M */ 2796 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco", 2797 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 2798 22, 0, &pll_u_lock); 2799 clk_register_clkdev(clk, "pll_u_480M", NULL); 2800 clks[TEGRA210_CLK_PLL_U_480M] = clk; 2801 2802 /* PLLU_60M */ 2803 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2", 2804 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 2805 23, 0, &pll_u_lock); 2806 clk_register_clkdev(clk, "pll_u_60M", NULL); 2807 clks[TEGRA210_CLK_PLL_U_60M] = clk; 2808 2809 /* PLLU_48M */ 2810 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1", 2811 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 2812 25, 0, &pll_u_lock); 2813 clk_register_clkdev(clk, "pll_u_48M", NULL); 2814 clks[TEGRA210_CLK_PLL_U_48M] = clk; 2815 2816 /* PLLD */ 2817 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, 2818 &pll_d_params, &pll_d_lock); 2819 clk_register_clkdev(clk, "pll_d", NULL); 2820 clks[TEGRA210_CLK_PLL_D] = clk; 2821 2822 /* PLLD_OUT0 */ 2823 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 2824 CLK_SET_RATE_PARENT, 1, 2); 2825 clk_register_clkdev(clk, "pll_d_out0", NULL); 2826 clks[TEGRA210_CLK_PLL_D_OUT0] = clk; 2827 2828 /* PLLRE */ 2829 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref", 2830 clk_base, pmc, 0, 2831 &pll_re_vco_params, 2832 &pll_re_lock, pll_ref_freq); 2833 clk_register_clkdev(clk, "pll_re_vco", NULL); 2834 clks[TEGRA210_CLK_PLL_RE_VCO] = clk; 2835 2836 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, 2837 clk_base + PLLRE_BASE, 16, 5, 0, 2838 pll_vco_post_div_table, &pll_re_lock); 2839 clk_register_clkdev(clk, "pll_re_out", NULL); 2840 clks[TEGRA210_CLK_PLL_RE_OUT] = clk; 2841 2842 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco", 2843 clk_base + PLLRE_OUT1, 0, 2844 TEGRA_DIVIDER_ROUND_UP, 2845 8, 8, 1, NULL); 2846 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div", 2847 clk_base + PLLRE_OUT1, 1, 0, 2848 CLK_SET_RATE_PARENT, 0, NULL); 2849 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk; 2850 2851 /* PLLE */ 2852 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref", 2853 clk_base, 0, &pll_e_params, NULL); 2854 clk_register_clkdev(clk, "pll_e", NULL); 2855 clks[TEGRA210_CLK_PLL_E] = clk; 2856 2857 /* PLLC4 */ 2858 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc, 2859 0, &pll_c4_vco_params, NULL, pll_ref_freq); 2860 clk_register_clkdev(clk, "pll_c4_vco", NULL); 2861 clks[TEGRA210_CLK_PLL_C4] = clk; 2862 2863 /* PLLC4_OUT0 */ 2864 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0, 2865 clk_base + PLLC4_BASE, 19, 4, 0, 2866 pll_vco_post_div_table, NULL); 2867 clk_register_clkdev(clk, "pll_c4_out0", NULL); 2868 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk; 2869 2870 /* PLLC4_OUT1 */ 2871 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco", 2872 CLK_SET_RATE_PARENT, 1, 3); 2873 clk_register_clkdev(clk, "pll_c4_out1", NULL); 2874 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk; 2875 2876 /* PLLC4_OUT2 */ 2877 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco", 2878 CLK_SET_RATE_PARENT, 1, 5); 2879 clk_register_clkdev(clk, "pll_c4_out2", NULL); 2880 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk; 2881 2882 /* PLLC4_OUT3 */ 2883 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0", 2884 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 2885 8, 8, 1, NULL); 2886 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div", 2887 clk_base + PLLC4_OUT, 1, 0, 2888 CLK_SET_RATE_PARENT, 0, NULL); 2889 clk_register_clkdev(clk, "pll_c4_out3", NULL); 2890 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk; 2891 2892 /* PLLDP */ 2893 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base, 2894 0, &pll_dp_params, NULL); 2895 clk_register_clkdev(clk, "pll_dp", NULL); 2896 clks[TEGRA210_CLK_PLL_DP] = clk; 2897 2898 /* PLLD2 */ 2899 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base, 2900 0, &pll_d2_params, NULL); 2901 clk_register_clkdev(clk, "pll_d2", NULL); 2902 clks[TEGRA210_CLK_PLL_D2] = clk; 2903 2904 /* PLLD2_OUT0 */ 2905 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 2906 CLK_SET_RATE_PARENT, 1, 1); 2907 clk_register_clkdev(clk, "pll_d2_out0", NULL); 2908 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk; 2909 2910 /* PLLP_OUT2 */ 2911 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p", 2912 CLK_SET_RATE_PARENT, 1, 2); 2913 clk_register_clkdev(clk, "pll_p_out2", NULL); 2914 clks[TEGRA210_CLK_PLL_P_OUT2] = clk; 2915 2916 } 2917 2918 /* Tegra210 CPU clock and reset control functions */ 2919 static void tegra210_wait_cpu_in_reset(u32 cpu) 2920 { 2921 unsigned int reg; 2922 2923 do { 2924 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 2925 cpu_relax(); 2926 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 2927 } 2928 2929 static void tegra210_disable_cpu_clock(u32 cpu) 2930 { 2931 /* flow controller would take care in the power sequence. */ 2932 } 2933 2934 #ifdef CONFIG_PM_SLEEP 2935 static void tegra210_cpu_clock_suspend(void) 2936 { 2937 /* switch coresite to clk_m, save off original source */ 2938 tegra210_cpu_clk_sctx.clk_csite_src = 2939 readl(clk_base + CLK_SOURCE_CSITE); 2940 writel(3 << 30, clk_base + CLK_SOURCE_CSITE); 2941 } 2942 2943 static void tegra210_cpu_clock_resume(void) 2944 { 2945 writel(tegra210_cpu_clk_sctx.clk_csite_src, 2946 clk_base + CLK_SOURCE_CSITE); 2947 } 2948 #endif 2949 2950 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = { 2951 .wait_for_reset = tegra210_wait_cpu_in_reset, 2952 .disable_clock = tegra210_disable_cpu_clock, 2953 #ifdef CONFIG_PM_SLEEP 2954 .suspend = tegra210_cpu_clock_suspend, 2955 .resume = tegra210_cpu_clock_resume, 2956 #endif 2957 }; 2958 2959 static const struct of_device_id pmc_match[] __initconst = { 2960 { .compatible = "nvidia,tegra210-pmc" }, 2961 { }, 2962 }; 2963 2964 static struct tegra_clk_init_table init_table[] __initdata = { 2965 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 }, 2966 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 }, 2967 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 }, 2968 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 }, 2969 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 }, 2970 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 }, 2971 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 }, 2972 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 }, 2973 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2974 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2975 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2976 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2977 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2978 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2979 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 }, 2980 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 }, 2981 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 }, 2982 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 }, 2983 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, 2984 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, 2985 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 }, 2986 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2987 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, 2988 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, 2989 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 2990 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 2991 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 }, 2992 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 2993 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 2994 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 }, 2995 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 }, 2996 { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2997 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2998 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2999 /* TODO find a way to enable this on-demand */ 3000 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3001 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 }, 3002 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 }, 3003 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 }, 3004 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 }, 3005 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 }, 3006 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 }, 3007 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 }, 3008 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 }, 3009 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3010 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3011 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, 3012 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, 3013 /* This MUST be the last entry. */ 3014 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 }, 3015 }; 3016 3017 /** 3018 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs 3019 * 3020 * Program an initial clock rate and enable or disable clocks needed 3021 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be 3022 * called by assigning a pointer to it to tegra_clk_apply_init_table - 3023 * this will be called as an arch_initcall. No return value. 3024 */ 3025 static void __init tegra210_clock_apply_init_table(void) 3026 { 3027 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX); 3028 } 3029 3030 /** 3031 * tegra210_car_barrier - wait for pending writes to the CAR to complete 3032 * 3033 * Wait for any outstanding writes to the CAR MMIO space from this CPU 3034 * to complete before continuing execution. No return value. 3035 */ 3036 static void tegra210_car_barrier(void) 3037 { 3038 readl_relaxed(clk_base + RST_DFLL_DVCO); 3039 } 3040 3041 /** 3042 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset 3043 * 3044 * Assert the reset line of the DFLL's DVCO. No return value. 3045 */ 3046 static void tegra210_clock_assert_dfll_dvco_reset(void) 3047 { 3048 u32 v; 3049 3050 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3051 v |= (1 << DVFS_DFLL_RESET_SHIFT); 3052 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3053 tegra210_car_barrier(); 3054 } 3055 3056 /** 3057 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset 3058 * 3059 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to 3060 * operate. No return value. 3061 */ 3062 static void tegra210_clock_deassert_dfll_dvco_reset(void) 3063 { 3064 u32 v; 3065 3066 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3067 v &= ~(1 << DVFS_DFLL_RESET_SHIFT); 3068 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3069 tegra210_car_barrier(); 3070 } 3071 3072 static int tegra210_reset_assert(unsigned long id) 3073 { 3074 if (id == TEGRA210_RST_DFLL_DVCO) 3075 tegra210_clock_assert_dfll_dvco_reset(); 3076 else if (id == TEGRA210_RST_ADSP) 3077 writel(GENMASK(26, 21) | BIT(7), 3078 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET); 3079 else 3080 return -EINVAL; 3081 3082 return 0; 3083 } 3084 3085 static int tegra210_reset_deassert(unsigned long id) 3086 { 3087 if (id == TEGRA210_RST_DFLL_DVCO) 3088 tegra210_clock_deassert_dfll_dvco_reset(); 3089 else if (id == TEGRA210_RST_ADSP) { 3090 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3091 /* 3092 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz) 3093 * a delay of 5us ensures that it's at least 3094 * 6 * adsp_cpu_cycle_period long. 3095 */ 3096 udelay(5); 3097 writel(GENMASK(26, 22) | BIT(7), 3098 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3099 } else 3100 return -EINVAL; 3101 3102 return 0; 3103 } 3104 3105 /** 3106 * tegra210_clock_init - Tegra210-specific clock initialization 3107 * @np: struct device_node * of the DT node for the SoC CAR IP block 3108 * 3109 * Register most SoC clocks for the Tegra210 system-on-chip. Intended 3110 * to be called by the OF init code when a DT node with the 3111 * "nvidia,tegra210-car" string is encountered, and declared with 3112 * CLK_OF_DECLARE. No return value. 3113 */ 3114 static void __init tegra210_clock_init(struct device_node *np) 3115 { 3116 struct device_node *node; 3117 u32 value, clk_m_div; 3118 3119 clk_base = of_iomap(np, 0); 3120 if (!clk_base) { 3121 pr_err("ioremap tegra210 CAR failed\n"); 3122 return; 3123 } 3124 3125 node = of_find_matching_node(NULL, pmc_match); 3126 if (!node) { 3127 pr_err("Failed to find pmc node\n"); 3128 WARN_ON(1); 3129 return; 3130 } 3131 3132 pmc_base = of_iomap(node, 0); 3133 if (!pmc_base) { 3134 pr_err("Can't map pmc registers\n"); 3135 WARN_ON(1); 3136 return; 3137 } 3138 3139 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX, 3140 TEGRA210_CAR_BANK_COUNT); 3141 if (!clks) 3142 return; 3143 3144 value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT; 3145 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1; 3146 3147 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq, 3148 ARRAY_SIZE(tegra210_input_freq), clk_m_div, 3149 &osc_freq, &pll_ref_freq) < 0) 3150 return; 3151 3152 tegra_fixed_clk_init(tegra210_clks); 3153 tegra210_pll_init(clk_base, pmc_base); 3154 tegra210_periph_clk_init(clk_base, pmc_base); 3155 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, 3156 tegra210_audio_plls, 3157 ARRAY_SIZE(tegra210_audio_plls)); 3158 tegra_pmc_clk_init(pmc_base, tegra210_clks); 3159 3160 /* For Tegra210, PLLD is the only source for DSIA & DSIB */ 3161 value = clk_readl(clk_base + PLLD_BASE); 3162 value &= ~BIT(25); 3163 clk_writel(value, clk_base + PLLD_BASE); 3164 3165 tegra_clk_apply_init_table = tegra210_clock_apply_init_table; 3166 3167 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks, 3168 &pll_x_params); 3169 tegra_init_special_resets(2, tegra210_reset_assert, 3170 tegra210_reset_deassert); 3171 3172 tegra_add_of_provider(np); 3173 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 3174 3175 tegra_cpu_car_ops = &tegra210_cpu_car_ops; 3176 } 3177 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init); 3178