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 #define CLK_SOURCE_SOR1 0x410 44 45 #define PLLC_BASE 0x80 46 #define PLLC_OUT 0x84 47 #define PLLC_MISC0 0x88 48 #define PLLC_MISC1 0x8c 49 #define PLLC_MISC2 0x5d0 50 #define PLLC_MISC3 0x5d4 51 52 #define PLLC2_BASE 0x4e8 53 #define PLLC2_MISC0 0x4ec 54 #define PLLC2_MISC1 0x4f0 55 #define PLLC2_MISC2 0x4f4 56 #define PLLC2_MISC3 0x4f8 57 58 #define PLLC3_BASE 0x4fc 59 #define PLLC3_MISC0 0x500 60 #define PLLC3_MISC1 0x504 61 #define PLLC3_MISC2 0x508 62 #define PLLC3_MISC3 0x50c 63 64 #define PLLM_BASE 0x90 65 #define PLLM_MISC1 0x98 66 #define PLLM_MISC2 0x9c 67 #define PLLP_BASE 0xa0 68 #define PLLP_MISC0 0xac 69 #define PLLP_MISC1 0x680 70 #define PLLA_BASE 0xb0 71 #define PLLA_MISC0 0xbc 72 #define PLLA_MISC1 0xb8 73 #define PLLA_MISC2 0x5d8 74 #define PLLD_BASE 0xd0 75 #define PLLD_MISC0 0xdc 76 #define PLLD_MISC1 0xd8 77 #define PLLU_BASE 0xc0 78 #define PLLU_OUTA 0xc4 79 #define PLLU_MISC0 0xcc 80 #define PLLU_MISC1 0xc8 81 #define PLLX_BASE 0xe0 82 #define PLLX_MISC0 0xe4 83 #define PLLX_MISC1 0x510 84 #define PLLX_MISC2 0x514 85 #define PLLX_MISC3 0x518 86 #define PLLX_MISC4 0x5f0 87 #define PLLX_MISC5 0x5f4 88 #define PLLE_BASE 0xe8 89 #define PLLE_MISC0 0xec 90 #define PLLD2_BASE 0x4b8 91 #define PLLD2_MISC0 0x4bc 92 #define PLLD2_MISC1 0x570 93 #define PLLD2_MISC2 0x574 94 #define PLLD2_MISC3 0x578 95 #define PLLE_AUX 0x48c 96 #define PLLRE_BASE 0x4c4 97 #define PLLRE_MISC0 0x4c8 98 #define PLLRE_OUT1 0x4cc 99 #define PLLDP_BASE 0x590 100 #define PLLDP_MISC 0x594 101 102 #define PLLC4_BASE 0x5a4 103 #define PLLC4_MISC0 0x5a8 104 #define PLLC4_OUT 0x5e4 105 #define PLLMB_BASE 0x5e8 106 #define PLLMB_MISC1 0x5ec 107 #define PLLA1_BASE 0x6a4 108 #define PLLA1_MISC0 0x6a8 109 #define PLLA1_MISC1 0x6ac 110 #define PLLA1_MISC2 0x6b0 111 #define PLLA1_MISC3 0x6b4 112 113 #define PLLU_IDDQ_BIT 31 114 #define PLLCX_IDDQ_BIT 27 115 #define PLLRE_IDDQ_BIT 24 116 #define PLLA_IDDQ_BIT 25 117 #define PLLD_IDDQ_BIT 20 118 #define PLLSS_IDDQ_BIT 18 119 #define PLLM_IDDQ_BIT 5 120 #define PLLMB_IDDQ_BIT 17 121 #define PLLXP_IDDQ_BIT 3 122 123 #define PLLCX_RESET_BIT 30 124 125 #define PLL_BASE_LOCK BIT(27) 126 #define PLLCX_BASE_LOCK BIT(26) 127 #define PLLE_MISC_LOCK BIT(11) 128 #define PLLRE_MISC_LOCK BIT(27) 129 130 #define PLL_MISC_LOCK_ENABLE 18 131 #define PLLC_MISC_LOCK_ENABLE 24 132 #define PLLDU_MISC_LOCK_ENABLE 22 133 #define PLLU_MISC_LOCK_ENABLE 29 134 #define PLLE_MISC_LOCK_ENABLE 9 135 #define PLLRE_MISC_LOCK_ENABLE 30 136 #define PLLSS_MISC_LOCK_ENABLE 30 137 #define PLLP_MISC_LOCK_ENABLE 18 138 #define PLLM_MISC_LOCK_ENABLE 4 139 #define PLLMB_MISC_LOCK_ENABLE 16 140 #define PLLA_MISC_LOCK_ENABLE 28 141 #define PLLU_MISC_LOCK_ENABLE 29 142 #define PLLD_MISC_LOCK_ENABLE 18 143 144 #define PLLA_SDM_DIN_MASK 0xffff 145 #define PLLA_SDM_EN_MASK BIT(26) 146 147 #define PLLD_SDM_EN_MASK BIT(16) 148 149 #define PLLD2_SDM_EN_MASK BIT(31) 150 #define PLLD2_SSC_EN_MASK 0 151 152 #define PLLDP_SS_CFG 0x598 153 #define PLLDP_SDM_EN_MASK BIT(31) 154 #define PLLDP_SSC_EN_MASK BIT(30) 155 #define PLLDP_SS_CTRL1 0x59c 156 #define PLLDP_SS_CTRL2 0x5a0 157 158 #define PMC_PLLM_WB0_OVERRIDE 0x1dc 159 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0 160 161 #define UTMIP_PLL_CFG2 0x488 162 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6) 163 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) 164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) 165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1) 166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) 167 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3) 168 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) 169 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5) 170 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24) 171 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25) 172 173 #define UTMIP_PLL_CFG1 0x484 174 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) 175 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) 176 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17) 177 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) 178 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15) 179 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) 180 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) 181 182 #define SATA_PLL_CFG0 0x490 183 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 184 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2) 185 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4) 186 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5) 187 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6) 188 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7) 189 190 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 191 #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24) 192 193 #define XUSBIO_PLL_CFG0 0x51c 194 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 195 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2) 196 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6) 197 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 198 #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24) 199 200 #define UTMIPLL_HW_PWRDN_CFG0 0x52c 201 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31) 202 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25) 203 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 204 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7) 205 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 206 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5) 207 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4) 208 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 209 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1) 210 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0) 211 212 #define PLLU_HW_PWRDN_CFG0 0x530 213 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28) 214 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 215 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7) 216 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 217 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 218 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0) 219 220 #define XUSB_PLL_CFG0 0x534 221 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff 222 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14) 223 224 #define SPARE_REG0 0x55c 225 #define CLK_M_DIVISOR_SHIFT 2 226 #define CLK_M_DIVISOR_MASK 0x3 227 228 #define RST_DFLL_DVCO 0x2f4 229 #define DVFS_DFLL_RESET_SHIFT 0 230 231 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8 232 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac 233 234 /* 235 * SDM fractional divisor is 16-bit 2's complement signed number within 236 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned 237 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to 238 * indicate that SDM is disabled. 239 * 240 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13 241 */ 242 #define PLL_SDM_COEFF BIT(13) 243 #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU)) 244 #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat) 245 /* This macro returns ndiv effective scaled to SDM range */ 246 #define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \ 247 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0)) 248 249 /* Tegra CPU clock and reset control regs */ 250 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 251 252 #ifdef CONFIG_PM_SLEEP 253 static struct cpu_clk_suspend_context { 254 u32 clk_csite_src; 255 } tegra210_cpu_clk_sctx; 256 #endif 257 258 static void __iomem *clk_base; 259 static void __iomem *pmc_base; 260 261 static unsigned long osc_freq; 262 static unsigned long pll_ref_freq; 263 264 static DEFINE_SPINLOCK(pll_d_lock); 265 static DEFINE_SPINLOCK(pll_e_lock); 266 static DEFINE_SPINLOCK(pll_re_lock); 267 static DEFINE_SPINLOCK(pll_u_lock); 268 static DEFINE_SPINLOCK(sor1_lock); 269 static DEFINE_SPINLOCK(emc_lock); 270 271 /* possible OSC frequencies in Hz */ 272 static unsigned long tegra210_input_freq[] = { 273 [5] = 38400000, 274 [8] = 12000000, 275 }; 276 277 static const char *mux_pllmcp_clkm[] = { 278 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb", 279 "pll_p", 280 }; 281 #define mux_pllmcp_clkm_idx NULL 282 283 #define PLL_ENABLE (1 << 30) 284 285 #define PLLCX_MISC1_IDDQ (1 << 27) 286 #define PLLCX_MISC0_RESET (1 << 30) 287 288 #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000 289 #define PLLCX_MISC0_WRITE_MASK 0x400ffffb 290 #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000 291 #define PLLCX_MISC1_WRITE_MASK 0x08003cff 292 #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05 293 #define PLLCX_MISC2_WRITE_MASK 0xffffff17 294 #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4 295 #define PLLCX_MISC3_WRITE_MASK 0x00ffffff 296 297 /* PLLA */ 298 #define PLLA_BASE_IDDQ (1 << 25) 299 #define PLLA_BASE_LOCK (1 << 27) 300 301 #define PLLA_MISC0_LOCK_ENABLE (1 << 28) 302 #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27) 303 304 #define PLLA_MISC2_EN_SDM (1 << 26) 305 #define PLLA_MISC2_EN_DYNRAMP (1 << 25) 306 307 #define PLLA_MISC0_DEFAULT_VALUE 0x12000020 308 #define PLLA_MISC0_WRITE_MASK 0x7fffffff 309 #define PLLA_MISC2_DEFAULT_VALUE 0x0 310 #define PLLA_MISC2_WRITE_MASK 0x06ffffff 311 312 /* PLLD */ 313 #define PLLD_MISC0_EN_SDM (1 << 16) 314 #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17) 315 #define PLLD_MISC0_LOCK_ENABLE (1 << 18) 316 #define PLLD_MISC0_IDDQ (1 << 20) 317 #define PLLD_MISC0_DSI_CLKENABLE (1 << 21) 318 319 #define PLLD_MISC0_DEFAULT_VALUE 0x00140000 320 #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff 321 #define PLLD_MISC1_DEFAULT_VALUE 0x20 322 #define PLLD_MISC1_WRITE_MASK 0x00ffffff 323 324 /* PLLD2 and PLLDP and PLLC4 */ 325 #define PLLDSS_BASE_LOCK (1 << 27) 326 #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24) 327 #define PLLDSS_BASE_IDDQ (1 << 18) 328 #define PLLDSS_BASE_REF_SEL_SHIFT 25 329 #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT) 330 331 #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30) 332 333 #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31) 334 #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30) 335 336 #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020 337 #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000 338 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0 339 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0 340 341 #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020 342 #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000 343 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da 344 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400 345 346 #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff 347 #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000 348 #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff 349 #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff 350 351 #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000 352 353 /* PLLRE */ 354 #define PLLRE_MISC0_LOCK_ENABLE (1 << 30) 355 #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29) 356 #define PLLRE_MISC0_LOCK (1 << 27) 357 #define PLLRE_MISC0_IDDQ (1 << 24) 358 359 #define PLLRE_BASE_DEFAULT_VALUE 0x0 360 #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000 361 362 #define PLLRE_BASE_DEFAULT_MASK 0x1c000000 363 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff 364 365 /* PLLX */ 366 #define PLLX_USE_DYN_RAMP 1 367 #define PLLX_BASE_LOCK (1 << 27) 368 369 #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28) 370 #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18) 371 372 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24 373 #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT) 374 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16 375 #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT) 376 #define PLLX_MISC2_NDIV_NEW_SHIFT 8 377 #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT) 378 #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4) 379 #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2) 380 #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0) 381 382 #define PLLX_MISC3_IDDQ (0x1 << 3) 383 384 #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE 385 #define PLLX_MISC0_WRITE_MASK 0x10c40000 386 #define PLLX_MISC1_DEFAULT_VALUE 0x20 387 #define PLLX_MISC1_WRITE_MASK 0x00ffffff 388 #define PLLX_MISC2_DEFAULT_VALUE 0x0 389 #define PLLX_MISC2_WRITE_MASK 0xffffff11 390 #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ 391 #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f 392 #define PLLX_MISC4_DEFAULT_VALUE 0x0 393 #define PLLX_MISC4_WRITE_MASK 0x8000ffff 394 #define PLLX_MISC5_DEFAULT_VALUE 0x0 395 #define PLLX_MISC5_WRITE_MASK 0x0000ffff 396 397 #define PLLX_HW_CTRL_CFG 0x548 398 #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0) 399 400 /* PLLMB */ 401 #define PLLMB_BASE_LOCK (1 << 27) 402 403 #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18) 404 #define PLLMB_MISC1_IDDQ (1 << 17) 405 #define PLLMB_MISC1_LOCK_ENABLE (1 << 16) 406 407 #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000 408 #define PLLMB_MISC1_WRITE_MASK 0x0007ffff 409 410 /* PLLP */ 411 #define PLLP_BASE_OVERRIDE (1 << 28) 412 #define PLLP_BASE_LOCK (1 << 27) 413 414 #define PLLP_MISC0_LOCK_ENABLE (1 << 18) 415 #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17) 416 #define PLLP_MISC0_IDDQ (1 << 3) 417 418 #define PLLP_MISC1_HSIO_EN_SHIFT 29 419 #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT) 420 #define PLLP_MISC1_XUSB_EN_SHIFT 28 421 #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT) 422 423 #define PLLP_MISC0_DEFAULT_VALUE 0x00040008 424 #define PLLP_MISC1_DEFAULT_VALUE 0x0 425 426 #define PLLP_MISC0_WRITE_MASK 0xdc6000f 427 #define PLLP_MISC1_WRITE_MASK 0x70ffffff 428 429 /* PLLU */ 430 #define PLLU_BASE_LOCK (1 << 27) 431 #define PLLU_BASE_OVERRIDE (1 << 24) 432 #define PLLU_BASE_CLKENABLE_USB (1 << 21) 433 #define PLLU_BASE_CLKENABLE_HSIC (1 << 22) 434 #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23) 435 #define PLLU_BASE_CLKENABLE_48M (1 << 25) 436 #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\ 437 PLLU_BASE_CLKENABLE_HSIC |\ 438 PLLU_BASE_CLKENABLE_ICUSB |\ 439 PLLU_BASE_CLKENABLE_48M) 440 441 #define PLLU_MISC0_IDDQ (1 << 31) 442 #define PLLU_MISC0_LOCK_ENABLE (1 << 29) 443 #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0) 444 445 #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000 446 #define PLLU_MISC1_DEFAULT_VALUE 0x0 447 448 #define PLLU_MISC0_WRITE_MASK 0xbfffffff 449 #define PLLU_MISC1_WRITE_MASK 0x00000007 450 451 void tegra210_xusb_pll_hw_control_enable(void) 452 { 453 u32 val; 454 455 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 456 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL | 457 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL); 458 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET | 459 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ; 460 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 461 } 462 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable); 463 464 void tegra210_xusb_pll_hw_sequence_start(void) 465 { 466 u32 val; 467 468 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 469 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE; 470 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 471 } 472 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start); 473 474 void tegra210_sata_pll_hw_control_enable(void) 475 { 476 u32 val; 477 478 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 479 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL; 480 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET | 481 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ; 482 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 483 } 484 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable); 485 486 void tegra210_sata_pll_hw_sequence_start(void) 487 { 488 u32 val; 489 490 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 491 val |= SATA_PLL_CFG0_SEQ_ENABLE; 492 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 493 } 494 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start); 495 496 void tegra210_set_sata_pll_seq_sw(bool state) 497 { 498 u32 val; 499 500 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 501 if (state) { 502 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 503 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 504 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 505 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 506 } else { 507 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 508 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 509 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 510 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 511 } 512 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 513 } 514 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw); 515 516 static inline void _pll_misc_chk_default(void __iomem *base, 517 struct tegra_clk_pll_params *params, 518 u8 misc_num, u32 default_val, u32 mask) 519 { 520 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]); 521 522 boot_val &= mask; 523 default_val &= mask; 524 if (boot_val != default_val) { 525 pr_warn("boot misc%d 0x%x: expected 0x%x\n", 526 misc_num, boot_val, default_val); 527 pr_warn(" (comparison mask = 0x%x)\n", mask); 528 params->defaults_set = false; 529 } 530 } 531 532 /* 533 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1 534 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition 535 * that changes NDIV only, while PLL is already locked. 536 */ 537 static void pllcx_check_defaults(struct tegra_clk_pll_params *params) 538 { 539 u32 default_val; 540 541 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET); 542 _pll_misc_chk_default(clk_base, params, 0, default_val, 543 PLLCX_MISC0_WRITE_MASK); 544 545 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ); 546 _pll_misc_chk_default(clk_base, params, 1, default_val, 547 PLLCX_MISC1_WRITE_MASK); 548 549 default_val = PLLCX_MISC2_DEFAULT_VALUE; 550 _pll_misc_chk_default(clk_base, params, 2, default_val, 551 PLLCX_MISC2_WRITE_MASK); 552 553 default_val = PLLCX_MISC3_DEFAULT_VALUE; 554 _pll_misc_chk_default(clk_base, params, 3, default_val, 555 PLLCX_MISC3_WRITE_MASK); 556 } 557 558 static void tegra210_pllcx_set_defaults(const char *name, 559 struct tegra_clk_pll *pllcx) 560 { 561 pllcx->params->defaults_set = true; 562 563 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) { 564 /* PLL is ON: only check if defaults already set */ 565 pllcx_check_defaults(pllcx->params); 566 if (!pllcx->params->defaults_set) 567 pr_warn("%s already enabled. Postponing set full defaults\n", 568 name); 569 return; 570 } 571 572 /* Defaults assert PLL reset, and set IDDQ */ 573 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE, 574 clk_base + pllcx->params->ext_misc_reg[0]); 575 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE, 576 clk_base + pllcx->params->ext_misc_reg[1]); 577 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE, 578 clk_base + pllcx->params->ext_misc_reg[2]); 579 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE, 580 clk_base + pllcx->params->ext_misc_reg[3]); 581 udelay(1); 582 } 583 584 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx) 585 { 586 tegra210_pllcx_set_defaults("PLL_C", pllcx); 587 } 588 589 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx) 590 { 591 tegra210_pllcx_set_defaults("PLL_C2", pllcx); 592 } 593 594 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx) 595 { 596 tegra210_pllcx_set_defaults("PLL_C3", pllcx); 597 } 598 599 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx) 600 { 601 tegra210_pllcx_set_defaults("PLL_A1", pllcx); 602 } 603 604 /* 605 * PLLA 606 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used. 607 * Fractional SDM is allowed to provide exact audio rates. 608 */ 609 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) 610 { 611 u32 mask; 612 u32 val = readl_relaxed(clk_base + plla->params->base_reg); 613 614 plla->params->defaults_set = true; 615 616 if (val & PLL_ENABLE) { 617 /* 618 * PLL is ON: check if defaults already set, then set those 619 * that can be updated in flight. 620 */ 621 if (val & PLLA_BASE_IDDQ) { 622 pr_warn("PLL_A boot enabled with IDDQ set\n"); 623 plla->params->defaults_set = false; 624 } 625 626 pr_warn("PLL_A already enabled. Postponing set full defaults\n"); 627 628 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */ 629 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE; 630 _pll_misc_chk_default(clk_base, plla->params, 0, val, 631 ~mask & PLLA_MISC0_WRITE_MASK); 632 633 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */ 634 _pll_misc_chk_default(clk_base, plla->params, 2, val, 635 PLLA_MISC2_EN_DYNRAMP); 636 637 /* Enable lock detect */ 638 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]); 639 val &= ~mask; 640 val |= PLLA_MISC0_DEFAULT_VALUE & mask; 641 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]); 642 udelay(1); 643 644 return; 645 } 646 647 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */ 648 val |= PLLA_BASE_IDDQ; 649 writel_relaxed(val, clk_base + plla->params->base_reg); 650 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE, 651 clk_base + plla->params->ext_misc_reg[0]); 652 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE, 653 clk_base + plla->params->ext_misc_reg[2]); 654 udelay(1); 655 } 656 657 /* 658 * PLLD 659 * PLL with fractional SDM. 660 */ 661 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld) 662 { 663 u32 val; 664 u32 mask = 0xffff; 665 666 plld->params->defaults_set = true; 667 668 if (readl_relaxed(clk_base + plld->params->base_reg) & 669 PLL_ENABLE) { 670 671 /* 672 * PLL is ON: check if defaults already set, then set those 673 * that can be updated in flight. 674 */ 675 val = PLLD_MISC1_DEFAULT_VALUE; 676 _pll_misc_chk_default(clk_base, plld->params, 1, 677 val, PLLD_MISC1_WRITE_MASK); 678 679 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */ 680 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ); 681 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE | 682 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM; 683 _pll_misc_chk_default(clk_base, plld->params, 0, val, 684 ~mask & PLLD_MISC0_WRITE_MASK); 685 686 if (!plld->params->defaults_set) 687 pr_warn("PLL_D already enabled. Postponing set full defaults\n"); 688 689 /* Enable lock detect */ 690 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE; 691 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 692 val &= ~mask; 693 val |= PLLD_MISC0_DEFAULT_VALUE & mask; 694 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 695 udelay(1); 696 697 return; 698 } 699 700 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 701 val &= PLLD_MISC0_DSI_CLKENABLE; 702 val |= PLLD_MISC0_DEFAULT_VALUE; 703 /* set IDDQ, enable lock detect, disable SDM */ 704 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 705 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base + 706 plld->params->ext_misc_reg[1]); 707 udelay(1); 708 } 709 710 /* 711 * PLLD2, PLLDP 712 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used). 713 */ 714 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss, 715 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val) 716 { 717 u32 default_val; 718 u32 val = readl_relaxed(clk_base + plldss->params->base_reg); 719 720 plldss->params->defaults_set = true; 721 722 if (val & PLL_ENABLE) { 723 724 /* 725 * PLL is ON: check if defaults already set, then set those 726 * that can be updated in flight. 727 */ 728 if (val & PLLDSS_BASE_IDDQ) { 729 pr_warn("plldss boot enabled with IDDQ set\n"); 730 plldss->params->defaults_set = false; 731 } 732 733 /* ignore lock enable */ 734 default_val = misc0_val; 735 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val, 736 PLLDSS_MISC0_WRITE_MASK & 737 (~PLLDSS_MISC0_LOCK_ENABLE)); 738 739 /* 740 * If SSC is used, check all settings, otherwise just confirm 741 * that SSC is not used on boot as well. Do nothing when using 742 * this function for PLLC4 that has only MISC0. 743 */ 744 if (plldss->params->ssc_ctrl_en_mask) { 745 default_val = misc1_val; 746 _pll_misc_chk_default(clk_base, plldss->params, 1, 747 default_val, PLLDSS_MISC1_CFG_WRITE_MASK); 748 default_val = misc2_val; 749 _pll_misc_chk_default(clk_base, plldss->params, 2, 750 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK); 751 default_val = misc3_val; 752 _pll_misc_chk_default(clk_base, plldss->params, 3, 753 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK); 754 } else if (plldss->params->ext_misc_reg[1]) { 755 default_val = misc1_val; 756 _pll_misc_chk_default(clk_base, plldss->params, 1, 757 default_val, PLLDSS_MISC1_CFG_WRITE_MASK & 758 (~PLLDSS_MISC1_CFG_EN_SDM)); 759 } 760 761 if (!plldss->params->defaults_set) 762 pr_warn("%s already enabled. Postponing set full defaults\n", 763 pll_name); 764 765 /* Enable lock detect */ 766 if (val & PLLDSS_BASE_LOCK_OVERRIDE) { 767 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 768 writel_relaxed(val, clk_base + 769 plldss->params->base_reg); 770 } 771 772 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]); 773 val &= ~PLLDSS_MISC0_LOCK_ENABLE; 774 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE; 775 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]); 776 udelay(1); 777 778 return; 779 } 780 781 /* set IDDQ, enable lock detect, configure SDM/SSC */ 782 val |= PLLDSS_BASE_IDDQ; 783 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 784 writel_relaxed(val, clk_base + plldss->params->base_reg); 785 786 /* When using this function for PLLC4 exit here */ 787 if (!plldss->params->ext_misc_reg[1]) { 788 writel_relaxed(misc0_val, clk_base + 789 plldss->params->ext_misc_reg[0]); 790 udelay(1); 791 return; 792 } 793 794 writel_relaxed(misc0_val, clk_base + 795 plldss->params->ext_misc_reg[0]); 796 /* if SSC used set by 1st enable */ 797 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC), 798 clk_base + plldss->params->ext_misc_reg[1]); 799 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]); 800 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]); 801 udelay(1); 802 } 803 804 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) 805 { 806 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE, 807 PLLD2_MISC1_CFG_DEFAULT_VALUE, 808 PLLD2_MISC2_CTRL1_DEFAULT_VALUE, 809 PLLD2_MISC3_CTRL2_DEFAULT_VALUE); 810 } 811 812 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) 813 { 814 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE, 815 PLLDP_MISC1_CFG_DEFAULT_VALUE, 816 PLLDP_MISC2_CTRL1_DEFAULT_VALUE, 817 PLLDP_MISC3_CTRL2_DEFAULT_VALUE); 818 } 819 820 /* 821 * PLLC4 822 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support. 823 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers. 824 */ 825 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) 826 { 827 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0); 828 } 829 830 /* 831 * PLLRE 832 * VCO is exposed to the clock tree directly along with post-divider output 833 */ 834 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) 835 { 836 u32 mask; 837 u32 val = readl_relaxed(clk_base + pllre->params->base_reg); 838 839 pllre->params->defaults_set = true; 840 841 if (val & PLL_ENABLE) { 842 pr_warn("PLL_RE already enabled. Postponing set full defaults\n"); 843 844 /* 845 * PLL is ON: check if defaults already set, then set those 846 * that can be updated in flight. 847 */ 848 val &= PLLRE_BASE_DEFAULT_MASK; 849 if (val != PLLRE_BASE_DEFAULT_VALUE) { 850 pr_warn("pllre boot base 0x%x : expected 0x%x\n", 851 val, PLLRE_BASE_DEFAULT_VALUE); 852 pr_warn("(comparison mask = 0x%x)\n", 853 PLLRE_BASE_DEFAULT_MASK); 854 pllre->params->defaults_set = false; 855 } 856 857 /* Ignore lock enable */ 858 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ); 859 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE; 860 _pll_misc_chk_default(clk_base, pllre->params, 0, val, 861 ~mask & PLLRE_MISC0_WRITE_MASK); 862 863 /* Enable lock detect */ 864 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]); 865 val &= ~mask; 866 val |= PLLRE_MISC0_DEFAULT_VALUE & mask; 867 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]); 868 udelay(1); 869 870 return; 871 } 872 873 /* set IDDQ, enable lock detect */ 874 val &= ~PLLRE_BASE_DEFAULT_MASK; 875 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK; 876 writel_relaxed(val, clk_base + pllre->params->base_reg); 877 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE, 878 clk_base + pllre->params->ext_misc_reg[0]); 879 udelay(1); 880 } 881 882 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) 883 { 884 unsigned long input_rate; 885 886 /* cf rate */ 887 if (!IS_ERR_OR_NULL(hw->clk)) 888 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); 889 else 890 input_rate = 38400000; 891 892 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); 893 894 switch (input_rate) { 895 case 12000000: 896 case 12800000: 897 case 13000000: 898 *step_a = 0x2B; 899 *step_b = 0x0B; 900 return; 901 case 19200000: 902 *step_a = 0x12; 903 *step_b = 0x08; 904 return; 905 case 38400000: 906 *step_a = 0x04; 907 *step_b = 0x05; 908 return; 909 default: 910 pr_err("%s: Unexpected reference rate %lu\n", 911 __func__, input_rate); 912 BUG(); 913 } 914 } 915 916 static void pllx_check_defaults(struct tegra_clk_pll *pll) 917 { 918 u32 default_val; 919 920 default_val = PLLX_MISC0_DEFAULT_VALUE; 921 /* ignore lock enable */ 922 _pll_misc_chk_default(clk_base, pll->params, 0, default_val, 923 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE)); 924 925 default_val = PLLX_MISC1_DEFAULT_VALUE; 926 _pll_misc_chk_default(clk_base, pll->params, 1, default_val, 927 PLLX_MISC1_WRITE_MASK); 928 929 /* ignore all but control bit */ 930 default_val = PLLX_MISC2_DEFAULT_VALUE; 931 _pll_misc_chk_default(clk_base, pll->params, 2, 932 default_val, PLLX_MISC2_EN_DYNRAMP); 933 934 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ); 935 _pll_misc_chk_default(clk_base, pll->params, 3, default_val, 936 PLLX_MISC3_WRITE_MASK); 937 938 default_val = PLLX_MISC4_DEFAULT_VALUE; 939 _pll_misc_chk_default(clk_base, pll->params, 4, default_val, 940 PLLX_MISC4_WRITE_MASK); 941 942 default_val = PLLX_MISC5_DEFAULT_VALUE; 943 _pll_misc_chk_default(clk_base, pll->params, 5, default_val, 944 PLLX_MISC5_WRITE_MASK); 945 } 946 947 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) 948 { 949 u32 val; 950 u32 step_a, step_b; 951 952 pllx->params->defaults_set = true; 953 954 /* Get ready dyn ramp state machine settings */ 955 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b); 956 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) & 957 (~PLLX_MISC2_DYNRAMP_STEPB_MASK); 958 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT; 959 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT; 960 961 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) { 962 963 /* 964 * PLL is ON: check if defaults already set, then set those 965 * that can be updated in flight. 966 */ 967 pllx_check_defaults(pllx); 968 969 if (!pllx->params->defaults_set) 970 pr_warn("PLL_X already enabled. Postponing set full defaults\n"); 971 /* Configure dyn ramp, disable lock override */ 972 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 973 974 /* Enable lock detect */ 975 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]); 976 val &= ~PLLX_MISC0_LOCK_ENABLE; 977 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE; 978 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]); 979 udelay(1); 980 981 return; 982 } 983 984 /* Enable lock detect and CPU output */ 985 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base + 986 pllx->params->ext_misc_reg[0]); 987 988 /* Setup */ 989 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base + 990 pllx->params->ext_misc_reg[1]); 991 992 /* Configure dyn ramp state machine, disable lock override */ 993 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 994 995 /* Set IDDQ */ 996 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base + 997 pllx->params->ext_misc_reg[3]); 998 999 /* Disable SDM */ 1000 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base + 1001 pllx->params->ext_misc_reg[4]); 1002 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base + 1003 pllx->params->ext_misc_reg[5]); 1004 udelay(1); 1005 } 1006 1007 /* PLLMB */ 1008 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) 1009 { 1010 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg); 1011 1012 pllmb->params->defaults_set = true; 1013 1014 if (val & PLL_ENABLE) { 1015 1016 /* 1017 * PLL is ON: check if defaults already set, then set those 1018 * that can be updated in flight. 1019 */ 1020 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ); 1021 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE; 1022 _pll_misc_chk_default(clk_base, pllmb->params, 0, val, 1023 ~mask & PLLMB_MISC1_WRITE_MASK); 1024 1025 if (!pllmb->params->defaults_set) 1026 pr_warn("PLL_MB already enabled. Postponing set full defaults\n"); 1027 /* Enable lock detect */ 1028 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]); 1029 val &= ~mask; 1030 val |= PLLMB_MISC1_DEFAULT_VALUE & mask; 1031 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]); 1032 udelay(1); 1033 1034 return; 1035 } 1036 1037 /* set IDDQ, enable lock detect */ 1038 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE, 1039 clk_base + pllmb->params->ext_misc_reg[0]); 1040 udelay(1); 1041 } 1042 1043 /* 1044 * PLLP 1045 * VCO is exposed to the clock tree directly along with post-divider output. 1046 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz, 1047 * respectively. 1048 */ 1049 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled) 1050 { 1051 u32 val, mask; 1052 1053 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */ 1054 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ); 1055 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1056 if (!enabled) 1057 mask |= PLLP_MISC0_IDDQ; 1058 _pll_misc_chk_default(clk_base, pll->params, 0, val, 1059 ~mask & PLLP_MISC0_WRITE_MASK); 1060 1061 /* Ignore branch controls */ 1062 val = PLLP_MISC1_DEFAULT_VALUE; 1063 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1064 _pll_misc_chk_default(clk_base, pll->params, 1, val, 1065 ~mask & PLLP_MISC1_WRITE_MASK); 1066 } 1067 1068 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) 1069 { 1070 u32 mask; 1071 u32 val = readl_relaxed(clk_base + pllp->params->base_reg); 1072 1073 pllp->params->defaults_set = true; 1074 1075 if (val & PLL_ENABLE) { 1076 1077 /* 1078 * PLL is ON: check if defaults already set, then set those 1079 * that can be updated in flight. 1080 */ 1081 pllp_check_defaults(pllp, true); 1082 if (!pllp->params->defaults_set) 1083 pr_warn("PLL_P already enabled. Postponing set full defaults\n"); 1084 1085 /* Enable lock detect */ 1086 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]); 1087 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1088 val &= ~mask; 1089 val |= PLLP_MISC0_DEFAULT_VALUE & mask; 1090 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]); 1091 udelay(1); 1092 1093 return; 1094 } 1095 1096 /* set IDDQ, enable lock detect */ 1097 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE, 1098 clk_base + pllp->params->ext_misc_reg[0]); 1099 1100 /* Preserve branch control */ 1101 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]); 1102 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1103 val &= mask; 1104 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE; 1105 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]); 1106 udelay(1); 1107 } 1108 1109 /* 1110 * PLLU 1111 * VCO is exposed to the clock tree directly along with post-divider output. 1112 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz, 1113 * respectively. 1114 */ 1115 static void pllu_check_defaults(struct tegra_clk_pll_params *params, 1116 bool hw_control) 1117 { 1118 u32 val, mask; 1119 1120 /* Ignore lock enable (will be set) and IDDQ if under h/w control */ 1121 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ); 1122 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0); 1123 _pll_misc_chk_default(clk_base, params, 0, val, 1124 ~mask & PLLU_MISC0_WRITE_MASK); 1125 1126 val = PLLU_MISC1_DEFAULT_VALUE; 1127 mask = PLLU_MISC1_LOCK_OVERRIDE; 1128 _pll_misc_chk_default(clk_base, params, 1, val, 1129 ~mask & PLLU_MISC1_WRITE_MASK); 1130 } 1131 1132 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu) 1133 { 1134 u32 val = readl_relaxed(clk_base + pllu->base_reg); 1135 1136 pllu->defaults_set = true; 1137 1138 if (val & PLL_ENABLE) { 1139 1140 /* 1141 * PLL is ON: check if defaults already set, then set those 1142 * that can be updated in flight. 1143 */ 1144 pllu_check_defaults(pllu, false); 1145 if (!pllu->defaults_set) 1146 pr_warn("PLL_U already enabled. Postponing set full defaults\n"); 1147 1148 /* Enable lock detect */ 1149 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]); 1150 val &= ~PLLU_MISC0_LOCK_ENABLE; 1151 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE; 1152 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]); 1153 1154 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]); 1155 val &= ~PLLU_MISC1_LOCK_OVERRIDE; 1156 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE; 1157 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]); 1158 udelay(1); 1159 1160 return; 1161 } 1162 1163 /* set IDDQ, enable lock detect */ 1164 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE, 1165 clk_base + pllu->ext_misc_reg[0]); 1166 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE, 1167 clk_base + pllu->ext_misc_reg[1]); 1168 udelay(1); 1169 } 1170 1171 #define mask(w) ((1 << (w)) - 1) 1172 #define divm_mask(p) mask(p->params->div_nmp->divm_width) 1173 #define divn_mask(p) mask(p->params->div_nmp->divn_width) 1174 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ 1175 mask(p->params->div_nmp->divp_width)) 1176 1177 #define divm_shift(p) ((p)->params->div_nmp->divm_shift) 1178 #define divn_shift(p) ((p)->params->div_nmp->divn_shift) 1179 #define divp_shift(p) ((p)->params->div_nmp->divp_shift) 1180 1181 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p)) 1182 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p)) 1183 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p)) 1184 1185 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */ 1186 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll, 1187 u32 reg, u32 mask) 1188 { 1189 int i; 1190 u32 val = 0; 1191 1192 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) { 1193 udelay(PLL_LOCKDET_DELAY); 1194 val = readl_relaxed(clk_base + reg); 1195 if ((val & mask) == mask) { 1196 udelay(PLL_LOCKDET_DELAY); 1197 return 0; 1198 } 1199 } 1200 return -ETIMEDOUT; 1201 } 1202 1203 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx, 1204 struct tegra_clk_pll_freq_table *cfg) 1205 { 1206 u32 val, base, ndiv_new_mask; 1207 1208 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift) 1209 << PLLX_MISC2_NDIV_NEW_SHIFT; 1210 1211 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1212 val &= (~ndiv_new_mask); 1213 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT; 1214 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1215 udelay(1); 1216 1217 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1218 val |= PLLX_MISC2_EN_DYNRAMP; 1219 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1220 udelay(1); 1221 1222 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2], 1223 PLLX_MISC2_DYNRAMP_DONE); 1224 1225 base = readl_relaxed(clk_base + pllx->params->base_reg) & 1226 (~divn_mask_shifted(pllx)); 1227 base |= cfg->n << pllx->params->div_nmp->divn_shift; 1228 writel_relaxed(base, clk_base + pllx->params->base_reg); 1229 udelay(1); 1230 1231 val &= ~PLLX_MISC2_EN_DYNRAMP; 1232 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1233 udelay(1); 1234 1235 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n", 1236 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p, 1237 cfg->input_rate / cfg->m * cfg->n / 1238 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000); 1239 1240 return 0; 1241 } 1242 1243 /* 1244 * Common configuration for PLLs with fixed input divider policy: 1245 * - always set fixed M-value based on the reference rate 1246 * - always set P-value value 1:1 for output rates above VCO minimum, and 1247 * choose minimum necessary P-value for output rates below VCO maximum 1248 * - calculate N-value based on selected M and P 1249 * - calculate SDM_DIN fractional part 1250 */ 1251 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw, 1252 struct tegra_clk_pll_freq_table *cfg, 1253 unsigned long rate, unsigned long input_rate) 1254 { 1255 struct tegra_clk_pll *pll = to_clk_pll(hw); 1256 struct tegra_clk_pll_params *params = pll->params; 1257 int p; 1258 unsigned long cf, p_rate; 1259 u32 pdiv; 1260 1261 if (!rate) 1262 return -EINVAL; 1263 1264 if (!(params->flags & TEGRA_PLL_VCO_OUT)) { 1265 p = DIV_ROUND_UP(params->vco_min, rate); 1266 p = params->round_p_to_pdiv(p, &pdiv); 1267 } else { 1268 p = rate >= params->vco_min ? 1 : -EINVAL; 1269 } 1270 1271 if (p < 0) 1272 return -EINVAL; 1273 1274 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate); 1275 cfg->p = p; 1276 1277 /* Store P as HW value, as that is what is expected */ 1278 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p); 1279 1280 p_rate = rate * p; 1281 if (p_rate > params->vco_max) 1282 p_rate = params->vco_max; 1283 cf = input_rate / cfg->m; 1284 cfg->n = p_rate / cf; 1285 1286 cfg->sdm_data = 0; 1287 cfg->output_rate = input_rate; 1288 if (params->sdm_ctrl_reg) { 1289 unsigned long rem = p_rate - cf * cfg->n; 1290 /* If ssc is enabled SDM enabled as well, even for integer n */ 1291 if (rem || params->ssc_ctrl_reg) { 1292 u64 s = rem * PLL_SDM_COEFF; 1293 1294 do_div(s, cf); 1295 s -= PLL_SDM_COEFF / 2; 1296 cfg->sdm_data = sdin_din_to_data(s); 1297 } 1298 cfg->output_rate *= sdin_get_n_eff(cfg); 1299 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF; 1300 } else { 1301 cfg->output_rate *= cfg->n; 1302 cfg->output_rate /= p * cfg->m; 1303 } 1304 1305 cfg->input_rate = input_rate; 1306 1307 return 0; 1308 } 1309 1310 /* 1311 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate 1312 * 1313 * @cfg: struct tegra_clk_pll_freq_table * cfg 1314 * 1315 * For Normal mode: 1316 * Fvco = Fref * NDIV / MDIV 1317 * 1318 * For fractional mode: 1319 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV 1320 */ 1321 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg) 1322 { 1323 cfg->n = sdin_get_n_eff(cfg); 1324 cfg->m *= PLL_SDM_COEFF; 1325 } 1326 1327 static unsigned long 1328 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, 1329 unsigned long parent_rate) 1330 { 1331 unsigned long vco_min = params->vco_min; 1332 1333 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF); 1334 vco_min = min(vco_min, params->vco_min); 1335 1336 return vco_min; 1337 } 1338 1339 static struct div_nmp pllx_nmp = { 1340 .divm_shift = 0, 1341 .divm_width = 8, 1342 .divn_shift = 8, 1343 .divn_width = 8, 1344 .divp_shift = 20, 1345 .divp_width = 5, 1346 }; 1347 /* 1348 * PLL post divider maps - two types: quasi-linear and exponential 1349 * post divider. 1350 */ 1351 #define PLL_QLIN_PDIV_MAX 16 1352 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = { 1353 { .pdiv = 1, .hw_val = 0 }, 1354 { .pdiv = 2, .hw_val = 1 }, 1355 { .pdiv = 3, .hw_val = 2 }, 1356 { .pdiv = 4, .hw_val = 3 }, 1357 { .pdiv = 5, .hw_val = 4 }, 1358 { .pdiv = 6, .hw_val = 5 }, 1359 { .pdiv = 8, .hw_val = 6 }, 1360 { .pdiv = 9, .hw_val = 7 }, 1361 { .pdiv = 10, .hw_val = 8 }, 1362 { .pdiv = 12, .hw_val = 9 }, 1363 { .pdiv = 15, .hw_val = 10 }, 1364 { .pdiv = 16, .hw_val = 11 }, 1365 { .pdiv = 18, .hw_val = 12 }, 1366 { .pdiv = 20, .hw_val = 13 }, 1367 { .pdiv = 24, .hw_val = 14 }, 1368 { .pdiv = 30, .hw_val = 15 }, 1369 { .pdiv = 32, .hw_val = 16 }, 1370 }; 1371 1372 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv) 1373 { 1374 int i; 1375 1376 if (p) { 1377 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) { 1378 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) { 1379 if (pdiv) 1380 *pdiv = i; 1381 return pll_qlin_pdiv_to_hw[i].pdiv; 1382 } 1383 } 1384 } 1385 1386 return -EINVAL; 1387 } 1388 1389 #define PLL_EXPO_PDIV_MAX 7 1390 static const struct pdiv_map pll_expo_pdiv_to_hw[] = { 1391 { .pdiv = 1, .hw_val = 0 }, 1392 { .pdiv = 2, .hw_val = 1 }, 1393 { .pdiv = 4, .hw_val = 2 }, 1394 { .pdiv = 8, .hw_val = 3 }, 1395 { .pdiv = 16, .hw_val = 4 }, 1396 { .pdiv = 32, .hw_val = 5 }, 1397 { .pdiv = 64, .hw_val = 6 }, 1398 { .pdiv = 128, .hw_val = 7 }, 1399 }; 1400 1401 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv) 1402 { 1403 if (p) { 1404 u32 i = fls(p); 1405 1406 if (i == ffs(p)) 1407 i--; 1408 1409 if (i <= PLL_EXPO_PDIV_MAX) { 1410 if (pdiv) 1411 *pdiv = i; 1412 return 1 << i; 1413 } 1414 } 1415 return -EINVAL; 1416 } 1417 1418 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 1419 /* 1 GHz */ 1420 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */ 1421 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */ 1422 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */ 1423 { 0, 0, 0, 0, 0, 0 }, 1424 }; 1425 1426 static struct tegra_clk_pll_params pll_x_params = { 1427 .input_min = 12000000, 1428 .input_max = 800000000, 1429 .cf_min = 12000000, 1430 .cf_max = 38400000, 1431 .vco_min = 1350000000, 1432 .vco_max = 3000000000UL, 1433 .base_reg = PLLX_BASE, 1434 .misc_reg = PLLX_MISC0, 1435 .lock_mask = PLL_BASE_LOCK, 1436 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 1437 .lock_delay = 300, 1438 .ext_misc_reg[0] = PLLX_MISC0, 1439 .ext_misc_reg[1] = PLLX_MISC1, 1440 .ext_misc_reg[2] = PLLX_MISC2, 1441 .ext_misc_reg[3] = PLLX_MISC3, 1442 .ext_misc_reg[4] = PLLX_MISC4, 1443 .ext_misc_reg[5] = PLLX_MISC5, 1444 .iddq_reg = PLLX_MISC3, 1445 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1446 .max_p = PLL_QLIN_PDIV_MAX, 1447 .mdiv_default = 2, 1448 .dyn_ramp_reg = PLLX_MISC2, 1449 .stepa_shift = 16, 1450 .stepb_shift = 24, 1451 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1452 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1453 .div_nmp = &pllx_nmp, 1454 .freq_table = pll_x_freq_table, 1455 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1456 .dyn_ramp = tegra210_pllx_dyn_ramp, 1457 .set_defaults = tegra210_pllx_set_defaults, 1458 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1459 }; 1460 1461 static struct div_nmp pllc_nmp = { 1462 .divm_shift = 0, 1463 .divm_width = 8, 1464 .divn_shift = 10, 1465 .divn_width = 8, 1466 .divp_shift = 20, 1467 .divp_width = 5, 1468 }; 1469 1470 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { 1471 { 12000000, 510000000, 85, 1, 2, 0 }, 1472 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */ 1473 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */ 1474 { 0, 0, 0, 0, 0, 0 }, 1475 }; 1476 1477 static struct tegra_clk_pll_params pll_c_params = { 1478 .input_min = 12000000, 1479 .input_max = 700000000, 1480 .cf_min = 12000000, 1481 .cf_max = 50000000, 1482 .vco_min = 600000000, 1483 .vco_max = 1200000000, 1484 .base_reg = PLLC_BASE, 1485 .misc_reg = PLLC_MISC0, 1486 .lock_mask = PLL_BASE_LOCK, 1487 .lock_delay = 300, 1488 .iddq_reg = PLLC_MISC1, 1489 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1490 .reset_reg = PLLC_MISC0, 1491 .reset_bit_idx = PLLCX_RESET_BIT, 1492 .max_p = PLL_QLIN_PDIV_MAX, 1493 .ext_misc_reg[0] = PLLC_MISC0, 1494 .ext_misc_reg[1] = PLLC_MISC1, 1495 .ext_misc_reg[2] = PLLC_MISC2, 1496 .ext_misc_reg[3] = PLLC_MISC3, 1497 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1498 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1499 .mdiv_default = 3, 1500 .div_nmp = &pllc_nmp, 1501 .freq_table = pll_cx_freq_table, 1502 .flags = TEGRA_PLL_USE_LOCK, 1503 .set_defaults = _pllc_set_defaults, 1504 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1505 }; 1506 1507 static struct div_nmp pllcx_nmp = { 1508 .divm_shift = 0, 1509 .divm_width = 8, 1510 .divn_shift = 10, 1511 .divn_width = 8, 1512 .divp_shift = 20, 1513 .divp_width = 5, 1514 }; 1515 1516 static struct tegra_clk_pll_params pll_c2_params = { 1517 .input_min = 12000000, 1518 .input_max = 700000000, 1519 .cf_min = 12000000, 1520 .cf_max = 50000000, 1521 .vco_min = 600000000, 1522 .vco_max = 1200000000, 1523 .base_reg = PLLC2_BASE, 1524 .misc_reg = PLLC2_MISC0, 1525 .iddq_reg = PLLC2_MISC1, 1526 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1527 .reset_reg = PLLC2_MISC0, 1528 .reset_bit_idx = PLLCX_RESET_BIT, 1529 .lock_mask = PLLCX_BASE_LOCK, 1530 .lock_delay = 300, 1531 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1532 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1533 .mdiv_default = 3, 1534 .div_nmp = &pllcx_nmp, 1535 .max_p = PLL_QLIN_PDIV_MAX, 1536 .ext_misc_reg[0] = PLLC2_MISC0, 1537 .ext_misc_reg[1] = PLLC2_MISC1, 1538 .ext_misc_reg[2] = PLLC2_MISC2, 1539 .ext_misc_reg[3] = PLLC2_MISC3, 1540 .freq_table = pll_cx_freq_table, 1541 .flags = TEGRA_PLL_USE_LOCK, 1542 .set_defaults = _pllc2_set_defaults, 1543 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1544 }; 1545 1546 static struct tegra_clk_pll_params pll_c3_params = { 1547 .input_min = 12000000, 1548 .input_max = 700000000, 1549 .cf_min = 12000000, 1550 .cf_max = 50000000, 1551 .vco_min = 600000000, 1552 .vco_max = 1200000000, 1553 .base_reg = PLLC3_BASE, 1554 .misc_reg = PLLC3_MISC0, 1555 .lock_mask = PLLCX_BASE_LOCK, 1556 .lock_delay = 300, 1557 .iddq_reg = PLLC3_MISC1, 1558 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1559 .reset_reg = PLLC3_MISC0, 1560 .reset_bit_idx = PLLCX_RESET_BIT, 1561 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1562 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1563 .mdiv_default = 3, 1564 .div_nmp = &pllcx_nmp, 1565 .max_p = PLL_QLIN_PDIV_MAX, 1566 .ext_misc_reg[0] = PLLC3_MISC0, 1567 .ext_misc_reg[1] = PLLC3_MISC1, 1568 .ext_misc_reg[2] = PLLC3_MISC2, 1569 .ext_misc_reg[3] = PLLC3_MISC3, 1570 .freq_table = pll_cx_freq_table, 1571 .flags = TEGRA_PLL_USE_LOCK, 1572 .set_defaults = _pllc3_set_defaults, 1573 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1574 }; 1575 1576 static struct div_nmp pllss_nmp = { 1577 .divm_shift = 0, 1578 .divm_width = 8, 1579 .divn_shift = 8, 1580 .divn_width = 8, 1581 .divp_shift = 19, 1582 .divp_width = 5, 1583 }; 1584 1585 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = { 1586 { 12000000, 600000000, 50, 1, 1, 0 }, 1587 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */ 1588 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */ 1589 { 0, 0, 0, 0, 0, 0 }, 1590 }; 1591 1592 static const struct clk_div_table pll_vco_post_div_table[] = { 1593 { .val = 0, .div = 1 }, 1594 { .val = 1, .div = 2 }, 1595 { .val = 2, .div = 3 }, 1596 { .val = 3, .div = 4 }, 1597 { .val = 4, .div = 5 }, 1598 { .val = 5, .div = 6 }, 1599 { .val = 6, .div = 8 }, 1600 { .val = 7, .div = 10 }, 1601 { .val = 8, .div = 12 }, 1602 { .val = 9, .div = 16 }, 1603 { .val = 10, .div = 12 }, 1604 { .val = 11, .div = 16 }, 1605 { .val = 12, .div = 20 }, 1606 { .val = 13, .div = 24 }, 1607 { .val = 14, .div = 32 }, 1608 { .val = 0, .div = 0 }, 1609 }; 1610 1611 static struct tegra_clk_pll_params pll_c4_vco_params = { 1612 .input_min = 9600000, 1613 .input_max = 800000000, 1614 .cf_min = 9600000, 1615 .cf_max = 19200000, 1616 .vco_min = 500000000, 1617 .vco_max = 1080000000, 1618 .base_reg = PLLC4_BASE, 1619 .misc_reg = PLLC4_MISC0, 1620 .lock_mask = PLL_BASE_LOCK, 1621 .lock_delay = 300, 1622 .max_p = PLL_QLIN_PDIV_MAX, 1623 .ext_misc_reg[0] = PLLC4_MISC0, 1624 .iddq_reg = PLLC4_BASE, 1625 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1626 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1627 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1628 .mdiv_default = 3, 1629 .div_nmp = &pllss_nmp, 1630 .freq_table = pll_c4_vco_freq_table, 1631 .set_defaults = tegra210_pllc4_set_defaults, 1632 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1633 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1634 }; 1635 1636 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 1637 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */ 1638 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */ 1639 { 38400000, 297600000, 93, 4, 3, 0 }, 1640 { 38400000, 400000000, 125, 4, 3, 0 }, 1641 { 38400000, 532800000, 111, 4, 2, 0 }, 1642 { 38400000, 665600000, 104, 3, 2, 0 }, 1643 { 38400000, 800000000, 125, 3, 2, 0 }, 1644 { 38400000, 931200000, 97, 4, 1, 0 }, 1645 { 38400000, 1065600000, 111, 4, 1, 0 }, 1646 { 38400000, 1200000000, 125, 4, 1, 0 }, 1647 { 38400000, 1331200000, 104, 3, 1, 0 }, 1648 { 38400000, 1459200000, 76, 2, 1, 0 }, 1649 { 38400000, 1600000000, 125, 3, 1, 0 }, 1650 { 0, 0, 0, 0, 0, 0 }, 1651 }; 1652 1653 static struct div_nmp pllm_nmp = { 1654 .divm_shift = 0, 1655 .divm_width = 8, 1656 .override_divm_shift = 0, 1657 .divn_shift = 8, 1658 .divn_width = 8, 1659 .override_divn_shift = 8, 1660 .divp_shift = 20, 1661 .divp_width = 5, 1662 .override_divp_shift = 27, 1663 }; 1664 1665 static struct tegra_clk_pll_params pll_m_params = { 1666 .input_min = 9600000, 1667 .input_max = 500000000, 1668 .cf_min = 9600000, 1669 .cf_max = 19200000, 1670 .vco_min = 800000000, 1671 .vco_max = 1866000000, 1672 .base_reg = PLLM_BASE, 1673 .misc_reg = PLLM_MISC2, 1674 .lock_mask = PLL_BASE_LOCK, 1675 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE, 1676 .lock_delay = 300, 1677 .iddq_reg = PLLM_MISC2, 1678 .iddq_bit_idx = PLLM_IDDQ_BIT, 1679 .max_p = PLL_QLIN_PDIV_MAX, 1680 .ext_misc_reg[0] = PLLM_MISC2, 1681 .ext_misc_reg[1] = PLLM_MISC1, 1682 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1683 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1684 .div_nmp = &pllm_nmp, 1685 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 1686 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, 1687 .freq_table = pll_m_freq_table, 1688 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1689 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1690 }; 1691 1692 static struct tegra_clk_pll_params pll_mb_params = { 1693 .input_min = 9600000, 1694 .input_max = 500000000, 1695 .cf_min = 9600000, 1696 .cf_max = 19200000, 1697 .vco_min = 800000000, 1698 .vco_max = 1866000000, 1699 .base_reg = PLLMB_BASE, 1700 .misc_reg = PLLMB_MISC1, 1701 .lock_mask = PLL_BASE_LOCK, 1702 .lock_delay = 300, 1703 .iddq_reg = PLLMB_MISC1, 1704 .iddq_bit_idx = PLLMB_IDDQ_BIT, 1705 .max_p = PLL_QLIN_PDIV_MAX, 1706 .ext_misc_reg[0] = PLLMB_MISC1, 1707 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1708 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1709 .div_nmp = &pllm_nmp, 1710 .freq_table = pll_m_freq_table, 1711 .flags = TEGRA_PLL_USE_LOCK, 1712 .set_defaults = tegra210_pllmb_set_defaults, 1713 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1714 }; 1715 1716 1717 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 1718 /* PLLE special case: use cpcon field to store cml divider value */ 1719 { 672000000, 100000000, 125, 42, 0, 13 }, 1720 { 624000000, 100000000, 125, 39, 0, 13 }, 1721 { 336000000, 100000000, 125, 21, 0, 13 }, 1722 { 312000000, 100000000, 200, 26, 0, 14 }, 1723 { 38400000, 100000000, 125, 2, 0, 14 }, 1724 { 12000000, 100000000, 200, 1, 0, 14 }, 1725 { 0, 0, 0, 0, 0, 0 }, 1726 }; 1727 1728 static struct div_nmp plle_nmp = { 1729 .divm_shift = 0, 1730 .divm_width = 8, 1731 .divn_shift = 8, 1732 .divn_width = 8, 1733 .divp_shift = 24, 1734 .divp_width = 5, 1735 }; 1736 1737 static struct tegra_clk_pll_params pll_e_params = { 1738 .input_min = 12000000, 1739 .input_max = 800000000, 1740 .cf_min = 12000000, 1741 .cf_max = 38400000, 1742 .vco_min = 1600000000, 1743 .vco_max = 2500000000U, 1744 .base_reg = PLLE_BASE, 1745 .misc_reg = PLLE_MISC0, 1746 .aux_reg = PLLE_AUX, 1747 .lock_mask = PLLE_MISC_LOCK, 1748 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 1749 .lock_delay = 300, 1750 .div_nmp = &plle_nmp, 1751 .freq_table = pll_e_freq_table, 1752 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK | 1753 TEGRA_PLL_HAS_LOCK_ENABLE, 1754 .fixed_rate = 100000000, 1755 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1756 }; 1757 1758 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = { 1759 { 12000000, 672000000, 56, 1, 1, 0 }, 1760 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */ 1761 { 38400000, 672000000, 70, 4, 1, 0 }, 1762 { 0, 0, 0, 0, 0, 0 }, 1763 }; 1764 1765 static struct div_nmp pllre_nmp = { 1766 .divm_shift = 0, 1767 .divm_width = 8, 1768 .divn_shift = 8, 1769 .divn_width = 8, 1770 .divp_shift = 16, 1771 .divp_width = 5, 1772 }; 1773 1774 static struct tegra_clk_pll_params pll_re_vco_params = { 1775 .input_min = 9600000, 1776 .input_max = 800000000, 1777 .cf_min = 9600000, 1778 .cf_max = 19200000, 1779 .vco_min = 350000000, 1780 .vco_max = 700000000, 1781 .base_reg = PLLRE_BASE, 1782 .misc_reg = PLLRE_MISC0, 1783 .lock_mask = PLLRE_MISC_LOCK, 1784 .lock_delay = 300, 1785 .max_p = PLL_QLIN_PDIV_MAX, 1786 .ext_misc_reg[0] = PLLRE_MISC0, 1787 .iddq_reg = PLLRE_MISC0, 1788 .iddq_bit_idx = PLLRE_IDDQ_BIT, 1789 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1790 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1791 .div_nmp = &pllre_nmp, 1792 .freq_table = pll_re_vco_freq_table, 1793 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT, 1794 .set_defaults = tegra210_pllre_set_defaults, 1795 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1796 }; 1797 1798 static struct div_nmp pllp_nmp = { 1799 .divm_shift = 0, 1800 .divm_width = 8, 1801 .divn_shift = 10, 1802 .divn_width = 8, 1803 .divp_shift = 20, 1804 .divp_width = 5, 1805 }; 1806 1807 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 1808 { 12000000, 408000000, 34, 1, 1, 0 }, 1809 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */ 1810 { 0, 0, 0, 0, 0, 0 }, 1811 }; 1812 1813 static struct tegra_clk_pll_params pll_p_params = { 1814 .input_min = 9600000, 1815 .input_max = 800000000, 1816 .cf_min = 9600000, 1817 .cf_max = 19200000, 1818 .vco_min = 350000000, 1819 .vco_max = 700000000, 1820 .base_reg = PLLP_BASE, 1821 .misc_reg = PLLP_MISC0, 1822 .lock_mask = PLL_BASE_LOCK, 1823 .lock_delay = 300, 1824 .iddq_reg = PLLP_MISC0, 1825 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1826 .ext_misc_reg[0] = PLLP_MISC0, 1827 .ext_misc_reg[1] = PLLP_MISC1, 1828 .div_nmp = &pllp_nmp, 1829 .freq_table = pll_p_freq_table, 1830 .fixed_rate = 408000000, 1831 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1832 .set_defaults = tegra210_pllp_set_defaults, 1833 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1834 }; 1835 1836 static struct tegra_clk_pll_params pll_a1_params = { 1837 .input_min = 12000000, 1838 .input_max = 700000000, 1839 .cf_min = 12000000, 1840 .cf_max = 50000000, 1841 .vco_min = 600000000, 1842 .vco_max = 1200000000, 1843 .base_reg = PLLA1_BASE, 1844 .misc_reg = PLLA1_MISC0, 1845 .lock_mask = PLLCX_BASE_LOCK, 1846 .lock_delay = 300, 1847 .iddq_reg = PLLA1_MISC1, 1848 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1849 .reset_reg = PLLA1_MISC0, 1850 .reset_bit_idx = PLLCX_RESET_BIT, 1851 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1852 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1853 .div_nmp = &pllc_nmp, 1854 .ext_misc_reg[0] = PLLA1_MISC0, 1855 .ext_misc_reg[1] = PLLA1_MISC1, 1856 .ext_misc_reg[2] = PLLA1_MISC2, 1857 .ext_misc_reg[3] = PLLA1_MISC3, 1858 .freq_table = pll_cx_freq_table, 1859 .flags = TEGRA_PLL_USE_LOCK, 1860 .set_defaults = _plla1_set_defaults, 1861 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1862 }; 1863 1864 static struct div_nmp plla_nmp = { 1865 .divm_shift = 0, 1866 .divm_width = 8, 1867 .divn_shift = 8, 1868 .divn_width = 8, 1869 .divp_shift = 20, 1870 .divp_width = 5, 1871 }; 1872 1873 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 1874 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */ 1875 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */ 1876 { 12000000, 240000000, 60, 1, 3, 1, 0 }, 1877 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */ 1878 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */ 1879 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */ 1880 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */ 1881 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */ 1882 { 38400000, 240000000, 75, 3, 3, 1, 0 }, 1883 { 0, 0, 0, 0, 0, 0, 0 }, 1884 }; 1885 1886 static struct tegra_clk_pll_params pll_a_params = { 1887 .input_min = 12000000, 1888 .input_max = 800000000, 1889 .cf_min = 12000000, 1890 .cf_max = 19200000, 1891 .vco_min = 500000000, 1892 .vco_max = 1000000000, 1893 .base_reg = PLLA_BASE, 1894 .misc_reg = PLLA_MISC0, 1895 .lock_mask = PLL_BASE_LOCK, 1896 .lock_delay = 300, 1897 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1898 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1899 .iddq_reg = PLLA_BASE, 1900 .iddq_bit_idx = PLLA_IDDQ_BIT, 1901 .div_nmp = &plla_nmp, 1902 .sdm_din_reg = PLLA_MISC1, 1903 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1904 .sdm_ctrl_reg = PLLA_MISC2, 1905 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK, 1906 .ext_misc_reg[0] = PLLA_MISC0, 1907 .ext_misc_reg[1] = PLLA_MISC1, 1908 .ext_misc_reg[2] = PLLA_MISC2, 1909 .freq_table = pll_a_freq_table, 1910 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW, 1911 .set_defaults = tegra210_plla_set_defaults, 1912 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1913 .set_gain = tegra210_clk_pll_set_gain, 1914 .adjust_vco = tegra210_clk_adjust_vco_min, 1915 }; 1916 1917 static struct div_nmp plld_nmp = { 1918 .divm_shift = 0, 1919 .divm_width = 8, 1920 .divn_shift = 11, 1921 .divn_width = 8, 1922 .divp_shift = 20, 1923 .divp_width = 3, 1924 }; 1925 1926 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 1927 { 12000000, 594000000, 99, 1, 2, 0, 0 }, 1928 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 1929 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 1930 { 0, 0, 0, 0, 0, 0, 0 }, 1931 }; 1932 1933 static struct tegra_clk_pll_params pll_d_params = { 1934 .input_min = 12000000, 1935 .input_max = 800000000, 1936 .cf_min = 12000000, 1937 .cf_max = 38400000, 1938 .vco_min = 750000000, 1939 .vco_max = 1500000000, 1940 .base_reg = PLLD_BASE, 1941 .misc_reg = PLLD_MISC0, 1942 .lock_mask = PLL_BASE_LOCK, 1943 .lock_delay = 1000, 1944 .iddq_reg = PLLD_MISC0, 1945 .iddq_bit_idx = PLLD_IDDQ_BIT, 1946 .round_p_to_pdiv = pll_expo_p_to_pdiv, 1947 .pdiv_tohw = pll_expo_pdiv_to_hw, 1948 .div_nmp = &plld_nmp, 1949 .sdm_din_reg = PLLD_MISC0, 1950 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1951 .sdm_ctrl_reg = PLLD_MISC0, 1952 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK, 1953 .ext_misc_reg[0] = PLLD_MISC0, 1954 .ext_misc_reg[1] = PLLD_MISC1, 1955 .freq_table = pll_d_freq_table, 1956 .flags = TEGRA_PLL_USE_LOCK, 1957 .mdiv_default = 1, 1958 .set_defaults = tegra210_plld_set_defaults, 1959 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1960 .set_gain = tegra210_clk_pll_set_gain, 1961 .adjust_vco = tegra210_clk_adjust_vco_min, 1962 }; 1963 1964 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = { 1965 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 }, 1966 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 1967 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 1968 { 0, 0, 0, 0, 0, 0, 0 }, 1969 }; 1970 1971 /* s/w policy, always tegra_pll_ref */ 1972 static struct tegra_clk_pll_params pll_d2_params = { 1973 .input_min = 12000000, 1974 .input_max = 800000000, 1975 .cf_min = 12000000, 1976 .cf_max = 38400000, 1977 .vco_min = 750000000, 1978 .vco_max = 1500000000, 1979 .base_reg = PLLD2_BASE, 1980 .misc_reg = PLLD2_MISC0, 1981 .lock_mask = PLL_BASE_LOCK, 1982 .lock_delay = 300, 1983 .iddq_reg = PLLD2_BASE, 1984 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1985 .sdm_din_reg = PLLD2_MISC3, 1986 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1987 .sdm_ctrl_reg = PLLD2_MISC1, 1988 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK, 1989 /* disable spread-spectrum for pll_d2 */ 1990 .ssc_ctrl_reg = 0, 1991 .ssc_ctrl_en_mask = 0, 1992 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1993 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1994 .div_nmp = &pllss_nmp, 1995 .ext_misc_reg[0] = PLLD2_MISC0, 1996 .ext_misc_reg[1] = PLLD2_MISC1, 1997 .ext_misc_reg[2] = PLLD2_MISC2, 1998 .ext_misc_reg[3] = PLLD2_MISC3, 1999 .max_p = PLL_QLIN_PDIV_MAX, 2000 .mdiv_default = 1, 2001 .freq_table = tegra210_pll_d2_freq_table, 2002 .set_defaults = tegra210_plld2_set_defaults, 2003 .flags = TEGRA_PLL_USE_LOCK, 2004 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2005 .set_gain = tegra210_clk_pll_set_gain, 2006 .adjust_vco = tegra210_clk_adjust_vco_min, 2007 }; 2008 2009 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = { 2010 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 }, 2011 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */ 2012 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 }, 2013 { 0, 0, 0, 0, 0, 0, 0 }, 2014 }; 2015 2016 static struct tegra_clk_pll_params pll_dp_params = { 2017 .input_min = 12000000, 2018 .input_max = 800000000, 2019 .cf_min = 12000000, 2020 .cf_max = 38400000, 2021 .vco_min = 750000000, 2022 .vco_max = 1500000000, 2023 .base_reg = PLLDP_BASE, 2024 .misc_reg = PLLDP_MISC, 2025 .lock_mask = PLL_BASE_LOCK, 2026 .lock_delay = 300, 2027 .iddq_reg = PLLDP_BASE, 2028 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2029 .sdm_din_reg = PLLDP_SS_CTRL2, 2030 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2031 .sdm_ctrl_reg = PLLDP_SS_CFG, 2032 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK, 2033 .ssc_ctrl_reg = PLLDP_SS_CFG, 2034 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK, 2035 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2036 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2037 .div_nmp = &pllss_nmp, 2038 .ext_misc_reg[0] = PLLDP_MISC, 2039 .ext_misc_reg[1] = PLLDP_SS_CFG, 2040 .ext_misc_reg[2] = PLLDP_SS_CTRL1, 2041 .ext_misc_reg[3] = PLLDP_SS_CTRL2, 2042 .max_p = PLL_QLIN_PDIV_MAX, 2043 .mdiv_default = 1, 2044 .freq_table = pll_dp_freq_table, 2045 .set_defaults = tegra210_plldp_set_defaults, 2046 .flags = TEGRA_PLL_USE_LOCK, 2047 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2048 .set_gain = tegra210_clk_pll_set_gain, 2049 .adjust_vco = tegra210_clk_adjust_vco_min, 2050 }; 2051 2052 static struct div_nmp pllu_nmp = { 2053 .divm_shift = 0, 2054 .divm_width = 8, 2055 .divn_shift = 8, 2056 .divn_width = 8, 2057 .divp_shift = 16, 2058 .divp_width = 5, 2059 }; 2060 2061 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 2062 { 12000000, 480000000, 40, 1, 0, 0 }, 2063 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */ 2064 { 38400000, 480000000, 25, 2, 0, 0 }, 2065 { 0, 0, 0, 0, 0, 0 }, 2066 }; 2067 2068 static struct tegra_clk_pll_params pll_u_vco_params = { 2069 .input_min = 9600000, 2070 .input_max = 800000000, 2071 .cf_min = 9600000, 2072 .cf_max = 19200000, 2073 .vco_min = 350000000, 2074 .vco_max = 700000000, 2075 .base_reg = PLLU_BASE, 2076 .misc_reg = PLLU_MISC0, 2077 .lock_mask = PLL_BASE_LOCK, 2078 .lock_delay = 1000, 2079 .iddq_reg = PLLU_MISC0, 2080 .iddq_bit_idx = PLLU_IDDQ_BIT, 2081 .ext_misc_reg[0] = PLLU_MISC0, 2082 .ext_misc_reg[1] = PLLU_MISC1, 2083 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2084 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2085 .div_nmp = &pllu_nmp, 2086 .freq_table = pll_u_freq_table, 2087 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2088 }; 2089 2090 struct utmi_clk_param { 2091 /* Oscillator Frequency in KHz */ 2092 u32 osc_frequency; 2093 /* UTMIP PLL Enable Delay Count */ 2094 u8 enable_delay_count; 2095 /* UTMIP PLL Stable count */ 2096 u16 stable_count; 2097 /* UTMIP PLL Active delay count */ 2098 u8 active_delay_count; 2099 /* UTMIP PLL Xtal frequency count */ 2100 u16 xtal_freq_count; 2101 }; 2102 2103 static const struct utmi_clk_param utmi_parameters[] = { 2104 { 2105 .osc_frequency = 38400000, .enable_delay_count = 0x0, 2106 .stable_count = 0x0, .active_delay_count = 0x6, 2107 .xtal_freq_count = 0x80 2108 }, { 2109 .osc_frequency = 13000000, .enable_delay_count = 0x02, 2110 .stable_count = 0x33, .active_delay_count = 0x05, 2111 .xtal_freq_count = 0x7f 2112 }, { 2113 .osc_frequency = 19200000, .enable_delay_count = 0x03, 2114 .stable_count = 0x4b, .active_delay_count = 0x06, 2115 .xtal_freq_count = 0xbb 2116 }, { 2117 .osc_frequency = 12000000, .enable_delay_count = 0x02, 2118 .stable_count = 0x2f, .active_delay_count = 0x08, 2119 .xtal_freq_count = 0x76 2120 }, { 2121 .osc_frequency = 26000000, .enable_delay_count = 0x04, 2122 .stable_count = 0x66, .active_delay_count = 0x09, 2123 .xtal_freq_count = 0xfe 2124 }, { 2125 .osc_frequency = 16800000, .enable_delay_count = 0x03, 2126 .stable_count = 0x41, .active_delay_count = 0x0a, 2127 .xtal_freq_count = 0xa4 2128 }, 2129 }; 2130 2131 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { 2132 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true }, 2133 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, 2134 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, 2135 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, 2136 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true }, 2137 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, 2138 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, 2139 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, 2140 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true }, 2141 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, 2142 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, 2143 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, 2144 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true }, 2145 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true }, 2146 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true }, 2147 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true }, 2148 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true }, 2149 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true }, 2150 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true }, 2151 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true }, 2152 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true }, 2153 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true }, 2154 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true }, 2155 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true }, 2156 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true }, 2157 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true }, 2158 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true }, 2159 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true }, 2160 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true }, 2161 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true }, 2162 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true }, 2163 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true }, 2164 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true }, 2165 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true }, 2166 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true }, 2167 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true }, 2168 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true }, 2169 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true }, 2170 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true }, 2171 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true }, 2172 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true }, 2173 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true }, 2174 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true }, 2175 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true }, 2176 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true }, 2177 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true }, 2178 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true }, 2179 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true }, 2180 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true }, 2181 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true }, 2182 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true }, 2183 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true }, 2184 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true }, 2185 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true }, 2186 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true }, 2187 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true }, 2188 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true }, 2189 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true }, 2190 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true }, 2191 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true }, 2192 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true }, 2193 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true }, 2194 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true }, 2195 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true }, 2196 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true }, 2197 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true }, 2198 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true }, 2199 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true }, 2200 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true }, 2201 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true }, 2202 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true }, 2203 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true }, 2204 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true }, 2205 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true }, 2206 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true }, 2207 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true }, 2208 [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true }, 2209 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true }, 2210 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, }, 2211 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true }, 2212 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true }, 2213 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true }, 2214 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true }, 2215 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true }, 2216 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true }, 2217 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true }, 2218 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true }, 2219 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true }, 2220 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true }, 2221 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true }, 2222 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true }, 2223 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true }, 2224 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true }, 2225 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true }, 2226 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true }, 2227 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true }, 2228 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true }, 2229 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true }, 2230 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true }, 2231 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true }, 2232 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true }, 2233 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true }, 2234 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true }, 2235 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true }, 2236 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true }, 2237 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true }, 2238 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true }, 2239 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true }, 2240 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true }, 2241 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true }, 2242 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true }, 2243 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true }, 2244 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true }, 2245 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true }, 2246 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true }, 2247 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true }, 2248 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true }, 2249 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true }, 2250 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true }, 2251 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true }, 2252 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true }, 2253 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true }, 2254 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true }, 2255 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true }, 2256 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true }, 2257 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true }, 2258 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true }, 2259 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true }, 2260 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true }, 2261 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true }, 2262 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true }, 2263 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true }, 2264 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true }, 2265 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true }, 2266 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true }, 2267 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true }, 2268 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true }, 2269 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true }, 2270 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true }, 2271 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true }, 2272 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true }, 2273 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true }, 2274 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true }, 2275 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true }, 2276 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true }, 2277 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true }, 2278 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true }, 2279 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true }, 2280 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true }, 2281 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true }, 2282 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true }, 2283 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true }, 2284 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true }, 2285 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true }, 2286 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true }, 2287 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true }, 2288 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true }, 2289 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true }, 2290 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true }, 2291 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true }, 2292 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true }, 2293 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true }, 2294 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true }, 2295 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true }, 2296 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true }, 2297 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true }, 2298 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true }, 2299 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true }, 2300 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true }, 2301 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true }, 2302 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true }, 2303 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true }, 2304 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true }, 2305 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true }, 2306 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true }, 2307 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true }, 2308 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true }, 2309 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true }, 2310 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true }, 2311 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true }, 2312 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true }, 2313 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true }, 2314 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true }, 2315 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true }, 2316 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true }, 2317 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true }, 2318 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true }, 2319 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true }, 2320 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true }, 2321 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true }, 2322 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true }, 2323 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true }, 2324 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true }, 2325 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true }, 2326 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true }, 2327 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true }, 2328 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true }, 2329 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true }, 2330 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true }, 2331 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true }, 2332 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true }, 2333 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true }, 2334 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true }, 2335 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true }, 2336 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true }, 2337 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true }, 2338 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true }, 2339 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true }, 2340 }; 2341 2342 static struct tegra_devclk devclks[] __initdata = { 2343 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M }, 2344 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF }, 2345 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K }, 2346 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 }, 2347 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 }, 2348 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C }, 2349 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 }, 2350 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 }, 2351 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 }, 2352 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P }, 2353 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 }, 2354 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 }, 2355 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 }, 2356 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 }, 2357 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M }, 2358 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X }, 2359 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 }, 2360 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U }, 2361 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT }, 2362 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 }, 2363 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 }, 2364 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M }, 2365 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M }, 2366 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M }, 2367 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D }, 2368 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 }, 2369 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 }, 2370 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 }, 2371 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A }, 2372 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 }, 2373 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO }, 2374 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT }, 2375 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC }, 2376 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC }, 2377 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC }, 2378 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC }, 2379 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC }, 2380 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC }, 2381 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC }, 2382 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 }, 2383 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 }, 2384 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 }, 2385 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 }, 2386 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 }, 2387 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF }, 2388 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X }, 2389 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 }, 2390 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 }, 2391 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 }, 2392 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK }, 2393 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G }, 2394 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP }, 2395 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK }, 2396 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK }, 2397 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK }, 2398 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE }, 2399 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC }, 2400 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER }, 2401 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 }, 2402 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 }, 2403 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 }, 2404 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 }, 2405 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX }, 2406 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 }, 2407 }; 2408 2409 static struct tegra_audio_clk_info tegra210_audio_plls[] = { 2410 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" }, 2411 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" }, 2412 }; 2413 2414 static struct clk **clks; 2415 2416 static const char * const aclk_parents[] = { 2417 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3", 2418 "clk_m" 2419 }; 2420 2421 void tegra210_put_utmipll_in_iddq(void) 2422 { 2423 u32 reg; 2424 2425 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2426 2427 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) { 2428 pr_err("trying to assert IDDQ while UTMIPLL is locked\n"); 2429 return; 2430 } 2431 2432 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2433 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2434 } 2435 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq); 2436 2437 void tegra210_put_utmipll_out_iddq(void) 2438 { 2439 u32 reg; 2440 2441 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2442 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2443 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2444 } 2445 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq); 2446 2447 static void tegra210_utmi_param_configure(void) 2448 { 2449 u32 reg; 2450 int i; 2451 2452 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 2453 if (osc_freq == utmi_parameters[i].osc_frequency) 2454 break; 2455 } 2456 2457 if (i >= ARRAY_SIZE(utmi_parameters)) { 2458 pr_err("%s: Unexpected oscillator freq %lu\n", __func__, 2459 osc_freq); 2460 return; 2461 } 2462 2463 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2464 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2465 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2466 2467 udelay(10); 2468 2469 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2470 2471 /* Program UTMIP PLL stable and active counts */ 2472 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ 2473 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 2474 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count); 2475 2476 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 2477 reg |= 2478 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count); 2479 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2480 2481 /* Program UTMIP PLL delay and oscillator frequency counts */ 2482 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2483 2484 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 2485 reg |= 2486 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count); 2487 2488 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 2489 reg |= 2490 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count); 2491 2492 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 2493 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2494 2495 /* Remove power downs from UTMIP PLL control bits */ 2496 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2497 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2498 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2499 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2500 2501 udelay(20); 2502 2503 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */ 2504 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2505 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP; 2506 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP; 2507 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP; 2508 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 2509 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 2510 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN; 2511 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2512 2513 /* Setup HW control of UTMIPLL */ 2514 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2515 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2516 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2517 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2518 2519 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2520 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET; 2521 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL; 2522 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2523 2524 udelay(1); 2525 2526 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2527 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY; 2528 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2529 2530 udelay(1); 2531 2532 /* Enable HW control UTMIPLL */ 2533 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2534 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE; 2535 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2536 } 2537 2538 static int tegra210_enable_pllu(void) 2539 { 2540 struct tegra_clk_pll_freq_table *fentry; 2541 struct tegra_clk_pll pllu; 2542 u32 reg; 2543 2544 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) { 2545 if (fentry->input_rate == pll_ref_freq) 2546 break; 2547 } 2548 2549 if (!fentry->input_rate) { 2550 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq); 2551 return -EINVAL; 2552 } 2553 2554 /* clear IDDQ bit */ 2555 pllu.params = &pll_u_vco_params; 2556 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]); 2557 reg &= ~BIT(pllu.params->iddq_bit_idx); 2558 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]); 2559 udelay(5); 2560 2561 reg = readl_relaxed(clk_base + PLLU_BASE); 2562 reg &= ~GENMASK(20, 0); 2563 reg |= fentry->m; 2564 reg |= fentry->n << 8; 2565 reg |= fentry->p << 16; 2566 writel(reg, clk_base + PLLU_BASE); 2567 udelay(1); 2568 reg |= PLL_ENABLE; 2569 writel(reg, clk_base + PLLU_BASE); 2570 2571 readl_relaxed_poll_timeout_atomic(clk_base + PLLU_BASE, reg, 2572 reg & PLL_BASE_LOCK, 2, 1000); 2573 if (!(reg & PLL_BASE_LOCK)) { 2574 pr_err("Timed out waiting for PLL_U to lock\n"); 2575 return -ETIMEDOUT; 2576 } 2577 2578 return 0; 2579 } 2580 2581 static int tegra210_init_pllu(void) 2582 { 2583 u32 reg; 2584 int err; 2585 2586 tegra210_pllu_set_defaults(&pll_u_vco_params); 2587 /* skip initialization when pllu is in hw controlled mode */ 2588 reg = readl_relaxed(clk_base + PLLU_BASE); 2589 if (reg & PLLU_BASE_OVERRIDE) { 2590 if (!(reg & PLL_ENABLE)) { 2591 err = tegra210_enable_pllu(); 2592 if (err < 0) { 2593 WARN_ON(1); 2594 return err; 2595 } 2596 } 2597 /* enable hw controlled mode */ 2598 reg = readl_relaxed(clk_base + PLLU_BASE); 2599 reg &= ~PLLU_BASE_OVERRIDE; 2600 writel(reg, clk_base + PLLU_BASE); 2601 2602 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2603 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE | 2604 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT | 2605 PLLU_HW_PWRDN_CFG0_USE_LOCKDET; 2606 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL | 2607 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL); 2608 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2609 2610 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2611 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK; 2612 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2613 udelay(1); 2614 2615 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2616 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE; 2617 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2618 udelay(1); 2619 2620 reg = readl_relaxed(clk_base + PLLU_BASE); 2621 reg &= ~PLLU_BASE_CLKENABLE_USB; 2622 writel_relaxed(reg, clk_base + PLLU_BASE); 2623 } 2624 2625 /* enable UTMIPLL hw control if not yet done by the bootloader */ 2626 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2627 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE)) 2628 tegra210_utmi_param_configure(); 2629 2630 return 0; 2631 } 2632 2633 static const char * const sor1_out_parents[] = { 2634 /* 2635 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so 2636 * the sor1_pad_clkout parent appears twice in the list below. This is 2637 * merely to support clk_get_parent() if firmware happened to set 2638 * these bits to 0b11. While not an invalid setting, code should 2639 * always set the bits to 0b01 to select sor1_pad_clkout. 2640 */ 2641 "sor_safe", "sor1_pad_clkout", "sor1", "sor1_pad_clkout", 2642 }; 2643 2644 static const char * const sor1_parents[] = { 2645 "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m", 2646 }; 2647 2648 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 }; 2649 2650 static struct tegra_periph_init_data tegra210_periph[] = { 2651 TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents, 2652 CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1, 2653 TEGRA_DIVIDER_ROUND_UP, 183, 0, tegra_clk_sor1, 2654 sor1_parents_idx, 0, &sor1_lock), 2655 }; 2656 2657 static __init void tegra210_periph_clk_init(void __iomem *clk_base, 2658 void __iomem *pmc_base) 2659 { 2660 struct clk *clk; 2661 unsigned int i; 2662 2663 /* xusb_ss_div2 */ 2664 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, 2665 1, 2); 2666 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk; 2667 2668 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base, 2669 1, 17, 222); 2670 clks[TEGRA210_CLK_SOR_SAFE] = clk; 2671 2672 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base, 2673 1, 17, 181); 2674 clks[TEGRA210_CLK_DPAUX] = clk; 2675 2676 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base, 2677 1, 17, 207); 2678 clks[TEGRA210_CLK_DPAUX1] = clk; 2679 2680 clk = clk_register_mux_table(NULL, "sor1_out", sor1_out_parents, 2681 ARRAY_SIZE(sor1_out_parents), 0, 2682 clk_base + CLK_SOURCE_SOR1, 14, 0x3, 2683 0, NULL, &sor1_lock); 2684 clks[TEGRA210_CLK_SOR1_OUT] = clk; 2685 2686 /* pll_d_dsi_out */ 2687 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, 2688 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); 2689 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk; 2690 2691 /* dsia */ 2692 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0, 2693 clk_base, 0, 48, 2694 periph_clk_enb_refcnt); 2695 clks[TEGRA210_CLK_DSIA] = clk; 2696 2697 /* dsib */ 2698 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0, 2699 clk_base, 0, 82, 2700 periph_clk_enb_refcnt); 2701 clks[TEGRA210_CLK_DSIB] = clk; 2702 2703 /* emc mux */ 2704 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, 2705 ARRAY_SIZE(mux_pllmcp_clkm), 0, 2706 clk_base + CLK_SOURCE_EMC, 2707 29, 3, 0, &emc_lock); 2708 2709 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, 2710 &emc_lock); 2711 clks[TEGRA210_CLK_MC] = clk; 2712 2713 /* cml0 */ 2714 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 2715 0, 0, &pll_e_lock); 2716 clk_register_clkdev(clk, "cml0", NULL); 2717 clks[TEGRA210_CLK_CML0] = clk; 2718 2719 /* cml1 */ 2720 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 2721 1, 0, &pll_e_lock); 2722 clk_register_clkdev(clk, "cml1", NULL); 2723 clks[TEGRA210_CLK_CML1] = clk; 2724 2725 clk = tegra_clk_register_super_clk("aclk", aclk_parents, 2726 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0, 2727 0, NULL); 2728 clks[TEGRA210_CLK_ACLK] = clk; 2729 2730 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) { 2731 struct tegra_periph_init_data *init = &tegra210_periph[i]; 2732 struct clk **clkp; 2733 2734 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks); 2735 if (!clkp) { 2736 pr_warn("clock %u not found\n", init->clk_id); 2737 continue; 2738 } 2739 2740 clk = tegra_clk_register_periph_data(clk_base, init); 2741 *clkp = clk; 2742 } 2743 2744 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); 2745 } 2746 2747 static void __init tegra210_pll_init(void __iomem *clk_base, 2748 void __iomem *pmc) 2749 { 2750 struct clk *clk; 2751 2752 /* PLLC */ 2753 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base, 2754 pmc, 0, &pll_c_params, NULL); 2755 if (!WARN_ON(IS_ERR(clk))) 2756 clk_register_clkdev(clk, "pll_c", NULL); 2757 clks[TEGRA210_CLK_PLL_C] = clk; 2758 2759 /* PLLC_OUT1 */ 2760 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 2761 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 2762 8, 8, 1, NULL); 2763 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 2764 clk_base + PLLC_OUT, 1, 0, 2765 CLK_SET_RATE_PARENT, 0, NULL); 2766 clk_register_clkdev(clk, "pll_c_out1", NULL); 2767 clks[TEGRA210_CLK_PLL_C_OUT1] = clk; 2768 2769 /* PLLC_UD */ 2770 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c", 2771 CLK_SET_RATE_PARENT, 1, 1); 2772 clk_register_clkdev(clk, "pll_c_ud", NULL); 2773 clks[TEGRA210_CLK_PLL_C_UD] = clk; 2774 2775 /* PLLC2 */ 2776 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base, 2777 pmc, 0, &pll_c2_params, NULL); 2778 clk_register_clkdev(clk, "pll_c2", NULL); 2779 clks[TEGRA210_CLK_PLL_C2] = clk; 2780 2781 /* PLLC3 */ 2782 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base, 2783 pmc, 0, &pll_c3_params, NULL); 2784 clk_register_clkdev(clk, "pll_c3", NULL); 2785 clks[TEGRA210_CLK_PLL_C3] = clk; 2786 2787 /* PLLM */ 2788 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc, 2789 CLK_SET_RATE_GATE, &pll_m_params, NULL); 2790 clk_register_clkdev(clk, "pll_m", NULL); 2791 clks[TEGRA210_CLK_PLL_M] = clk; 2792 2793 /* PLLMB */ 2794 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc, 2795 CLK_SET_RATE_GATE, &pll_mb_params, NULL); 2796 clk_register_clkdev(clk, "pll_mb", NULL); 2797 clks[TEGRA210_CLK_PLL_MB] = clk; 2798 2799 /* PLLM_UD */ 2800 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", 2801 CLK_SET_RATE_PARENT, 1, 1); 2802 clk_register_clkdev(clk, "pll_m_ud", NULL); 2803 clks[TEGRA210_CLK_PLL_M_UD] = clk; 2804 2805 /* PLLU_VCO */ 2806 if (!tegra210_init_pllu()) { 2807 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0, 2808 480*1000*1000); 2809 clk_register_clkdev(clk, "pll_u_vco", NULL); 2810 clks[TEGRA210_CLK_PLL_U] = clk; 2811 } 2812 2813 /* PLLU_OUT */ 2814 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0, 2815 clk_base + PLLU_BASE, 16, 4, 0, 2816 pll_vco_post_div_table, NULL); 2817 clk_register_clkdev(clk, "pll_u_out", NULL); 2818 clks[TEGRA210_CLK_PLL_U_OUT] = clk; 2819 2820 /* PLLU_OUT1 */ 2821 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out", 2822 clk_base + PLLU_OUTA, 0, 2823 TEGRA_DIVIDER_ROUND_UP, 2824 8, 8, 1, &pll_u_lock); 2825 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div", 2826 clk_base + PLLU_OUTA, 1, 0, 2827 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 2828 clk_register_clkdev(clk, "pll_u_out1", NULL); 2829 clks[TEGRA210_CLK_PLL_U_OUT1] = clk; 2830 2831 /* PLLU_OUT2 */ 2832 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out", 2833 clk_base + PLLU_OUTA, 0, 2834 TEGRA_DIVIDER_ROUND_UP, 2835 24, 8, 1, &pll_u_lock); 2836 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div", 2837 clk_base + PLLU_OUTA, 17, 16, 2838 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 2839 clk_register_clkdev(clk, "pll_u_out2", NULL); 2840 clks[TEGRA210_CLK_PLL_U_OUT2] = clk; 2841 2842 /* PLLU_480M */ 2843 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco", 2844 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 2845 22, 0, &pll_u_lock); 2846 clk_register_clkdev(clk, "pll_u_480M", NULL); 2847 clks[TEGRA210_CLK_PLL_U_480M] = clk; 2848 2849 /* PLLU_60M */ 2850 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2", 2851 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 2852 23, 0, &pll_u_lock); 2853 clk_register_clkdev(clk, "pll_u_60M", NULL); 2854 clks[TEGRA210_CLK_PLL_U_60M] = clk; 2855 2856 /* PLLU_48M */ 2857 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1", 2858 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 2859 25, 0, &pll_u_lock); 2860 clk_register_clkdev(clk, "pll_u_48M", NULL); 2861 clks[TEGRA210_CLK_PLL_U_48M] = clk; 2862 2863 /* PLLD */ 2864 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, 2865 &pll_d_params, &pll_d_lock); 2866 clk_register_clkdev(clk, "pll_d", NULL); 2867 clks[TEGRA210_CLK_PLL_D] = clk; 2868 2869 /* PLLD_OUT0 */ 2870 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 2871 CLK_SET_RATE_PARENT, 1, 2); 2872 clk_register_clkdev(clk, "pll_d_out0", NULL); 2873 clks[TEGRA210_CLK_PLL_D_OUT0] = clk; 2874 2875 /* PLLRE */ 2876 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref", 2877 clk_base, pmc, 0, 2878 &pll_re_vco_params, 2879 &pll_re_lock, pll_ref_freq); 2880 clk_register_clkdev(clk, "pll_re_vco", NULL); 2881 clks[TEGRA210_CLK_PLL_RE_VCO] = clk; 2882 2883 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, 2884 clk_base + PLLRE_BASE, 16, 5, 0, 2885 pll_vco_post_div_table, &pll_re_lock); 2886 clk_register_clkdev(clk, "pll_re_out", NULL); 2887 clks[TEGRA210_CLK_PLL_RE_OUT] = clk; 2888 2889 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco", 2890 clk_base + PLLRE_OUT1, 0, 2891 TEGRA_DIVIDER_ROUND_UP, 2892 8, 8, 1, NULL); 2893 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div", 2894 clk_base + PLLRE_OUT1, 1, 0, 2895 CLK_SET_RATE_PARENT, 0, NULL); 2896 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk; 2897 2898 /* PLLE */ 2899 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref", 2900 clk_base, 0, &pll_e_params, NULL); 2901 clk_register_clkdev(clk, "pll_e", NULL); 2902 clks[TEGRA210_CLK_PLL_E] = clk; 2903 2904 /* PLLC4 */ 2905 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc, 2906 0, &pll_c4_vco_params, NULL, pll_ref_freq); 2907 clk_register_clkdev(clk, "pll_c4_vco", NULL); 2908 clks[TEGRA210_CLK_PLL_C4] = clk; 2909 2910 /* PLLC4_OUT0 */ 2911 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0, 2912 clk_base + PLLC4_BASE, 19, 4, 0, 2913 pll_vco_post_div_table, NULL); 2914 clk_register_clkdev(clk, "pll_c4_out0", NULL); 2915 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk; 2916 2917 /* PLLC4_OUT1 */ 2918 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco", 2919 CLK_SET_RATE_PARENT, 1, 3); 2920 clk_register_clkdev(clk, "pll_c4_out1", NULL); 2921 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk; 2922 2923 /* PLLC4_OUT2 */ 2924 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco", 2925 CLK_SET_RATE_PARENT, 1, 5); 2926 clk_register_clkdev(clk, "pll_c4_out2", NULL); 2927 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk; 2928 2929 /* PLLC4_OUT3 */ 2930 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0", 2931 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 2932 8, 8, 1, NULL); 2933 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div", 2934 clk_base + PLLC4_OUT, 1, 0, 2935 CLK_SET_RATE_PARENT, 0, NULL); 2936 clk_register_clkdev(clk, "pll_c4_out3", NULL); 2937 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk; 2938 2939 /* PLLDP */ 2940 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base, 2941 0, &pll_dp_params, NULL); 2942 clk_register_clkdev(clk, "pll_dp", NULL); 2943 clks[TEGRA210_CLK_PLL_DP] = clk; 2944 2945 /* PLLD2 */ 2946 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base, 2947 0, &pll_d2_params, NULL); 2948 clk_register_clkdev(clk, "pll_d2", NULL); 2949 clks[TEGRA210_CLK_PLL_D2] = clk; 2950 2951 /* PLLD2_OUT0 */ 2952 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 2953 CLK_SET_RATE_PARENT, 1, 1); 2954 clk_register_clkdev(clk, "pll_d2_out0", NULL); 2955 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk; 2956 2957 /* PLLP_OUT2 */ 2958 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p", 2959 CLK_SET_RATE_PARENT, 1, 2); 2960 clk_register_clkdev(clk, "pll_p_out2", NULL); 2961 clks[TEGRA210_CLK_PLL_P_OUT2] = clk; 2962 2963 } 2964 2965 /* Tegra210 CPU clock and reset control functions */ 2966 static void tegra210_wait_cpu_in_reset(u32 cpu) 2967 { 2968 unsigned int reg; 2969 2970 do { 2971 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 2972 cpu_relax(); 2973 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 2974 } 2975 2976 static void tegra210_disable_cpu_clock(u32 cpu) 2977 { 2978 /* flow controller would take care in the power sequence. */ 2979 } 2980 2981 #ifdef CONFIG_PM_SLEEP 2982 static void tegra210_cpu_clock_suspend(void) 2983 { 2984 /* switch coresite to clk_m, save off original source */ 2985 tegra210_cpu_clk_sctx.clk_csite_src = 2986 readl(clk_base + CLK_SOURCE_CSITE); 2987 writel(3 << 30, clk_base + CLK_SOURCE_CSITE); 2988 } 2989 2990 static void tegra210_cpu_clock_resume(void) 2991 { 2992 writel(tegra210_cpu_clk_sctx.clk_csite_src, 2993 clk_base + CLK_SOURCE_CSITE); 2994 } 2995 #endif 2996 2997 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = { 2998 .wait_for_reset = tegra210_wait_cpu_in_reset, 2999 .disable_clock = tegra210_disable_cpu_clock, 3000 #ifdef CONFIG_PM_SLEEP 3001 .suspend = tegra210_cpu_clock_suspend, 3002 .resume = tegra210_cpu_clock_resume, 3003 #endif 3004 }; 3005 3006 static const struct of_device_id pmc_match[] __initconst = { 3007 { .compatible = "nvidia,tegra210-pmc" }, 3008 { }, 3009 }; 3010 3011 static struct tegra_clk_init_table init_table[] __initdata = { 3012 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3013 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3014 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3015 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3016 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 }, 3017 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 }, 3018 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 }, 3019 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 }, 3020 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3021 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3022 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3023 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3024 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3025 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3026 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 }, 3027 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 }, 3028 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 }, 3029 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3030 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3031 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, 3032 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 }, 3033 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3034 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, 3035 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, 3036 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3037 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3038 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 }, 3039 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3040 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3041 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 }, 3042 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 }, 3043 { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3044 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3045 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3046 /* TODO find a way to enable this on-demand */ 3047 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3048 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 }, 3049 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 }, 3050 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 }, 3051 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 }, 3052 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 }, 3053 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 }, 3054 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 }, 3055 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 }, 3056 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3057 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3058 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, 3059 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, 3060 /* This MUST be the last entry. */ 3061 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 }, 3062 }; 3063 3064 /** 3065 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs 3066 * 3067 * Program an initial clock rate and enable or disable clocks needed 3068 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be 3069 * called by assigning a pointer to it to tegra_clk_apply_init_table - 3070 * this will be called as an arch_initcall. No return value. 3071 */ 3072 static void __init tegra210_clock_apply_init_table(void) 3073 { 3074 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX); 3075 } 3076 3077 /** 3078 * tegra210_car_barrier - wait for pending writes to the CAR to complete 3079 * 3080 * Wait for any outstanding writes to the CAR MMIO space from this CPU 3081 * to complete before continuing execution. No return value. 3082 */ 3083 static void tegra210_car_barrier(void) 3084 { 3085 readl_relaxed(clk_base + RST_DFLL_DVCO); 3086 } 3087 3088 /** 3089 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset 3090 * 3091 * Assert the reset line of the DFLL's DVCO. No return value. 3092 */ 3093 static void tegra210_clock_assert_dfll_dvco_reset(void) 3094 { 3095 u32 v; 3096 3097 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3098 v |= (1 << DVFS_DFLL_RESET_SHIFT); 3099 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3100 tegra210_car_barrier(); 3101 } 3102 3103 /** 3104 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset 3105 * 3106 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to 3107 * operate. No return value. 3108 */ 3109 static void tegra210_clock_deassert_dfll_dvco_reset(void) 3110 { 3111 u32 v; 3112 3113 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3114 v &= ~(1 << DVFS_DFLL_RESET_SHIFT); 3115 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3116 tegra210_car_barrier(); 3117 } 3118 3119 static int tegra210_reset_assert(unsigned long id) 3120 { 3121 if (id == TEGRA210_RST_DFLL_DVCO) 3122 tegra210_clock_assert_dfll_dvco_reset(); 3123 else if (id == TEGRA210_RST_ADSP) 3124 writel(GENMASK(26, 21) | BIT(7), 3125 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET); 3126 else 3127 return -EINVAL; 3128 3129 return 0; 3130 } 3131 3132 static int tegra210_reset_deassert(unsigned long id) 3133 { 3134 if (id == TEGRA210_RST_DFLL_DVCO) 3135 tegra210_clock_deassert_dfll_dvco_reset(); 3136 else if (id == TEGRA210_RST_ADSP) { 3137 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3138 /* 3139 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz) 3140 * a delay of 5us ensures that it's at least 3141 * 6 * adsp_cpu_cycle_period long. 3142 */ 3143 udelay(5); 3144 writel(GENMASK(26, 22) | BIT(7), 3145 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3146 } else 3147 return -EINVAL; 3148 3149 return 0; 3150 } 3151 3152 /** 3153 * tegra210_clock_init - Tegra210-specific clock initialization 3154 * @np: struct device_node * of the DT node for the SoC CAR IP block 3155 * 3156 * Register most SoC clocks for the Tegra210 system-on-chip. Intended 3157 * to be called by the OF init code when a DT node with the 3158 * "nvidia,tegra210-car" string is encountered, and declared with 3159 * CLK_OF_DECLARE. No return value. 3160 */ 3161 static void __init tegra210_clock_init(struct device_node *np) 3162 { 3163 struct device_node *node; 3164 u32 value, clk_m_div; 3165 3166 clk_base = of_iomap(np, 0); 3167 if (!clk_base) { 3168 pr_err("ioremap tegra210 CAR failed\n"); 3169 return; 3170 } 3171 3172 node = of_find_matching_node(NULL, pmc_match); 3173 if (!node) { 3174 pr_err("Failed to find pmc node\n"); 3175 WARN_ON(1); 3176 return; 3177 } 3178 3179 pmc_base = of_iomap(node, 0); 3180 if (!pmc_base) { 3181 pr_err("Can't map pmc registers\n"); 3182 WARN_ON(1); 3183 return; 3184 } 3185 3186 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX, 3187 TEGRA210_CAR_BANK_COUNT); 3188 if (!clks) 3189 return; 3190 3191 value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT; 3192 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1; 3193 3194 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq, 3195 ARRAY_SIZE(tegra210_input_freq), clk_m_div, 3196 &osc_freq, &pll_ref_freq) < 0) 3197 return; 3198 3199 tegra_fixed_clk_init(tegra210_clks); 3200 tegra210_pll_init(clk_base, pmc_base); 3201 tegra210_periph_clk_init(clk_base, pmc_base); 3202 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, 3203 tegra210_audio_plls, 3204 ARRAY_SIZE(tegra210_audio_plls)); 3205 tegra_pmc_clk_init(pmc_base, tegra210_clks); 3206 3207 /* For Tegra210, PLLD is the only source for DSIA & DSIB */ 3208 value = clk_readl(clk_base + PLLD_BASE); 3209 value &= ~BIT(25); 3210 clk_writel(value, clk_base + PLLD_BASE); 3211 3212 tegra_clk_apply_init_table = tegra210_clock_apply_init_table; 3213 3214 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks, 3215 &pll_x_params); 3216 tegra_init_special_resets(2, tegra210_reset_assert, 3217 tegra210_reset_deassert); 3218 3219 tegra_add_of_provider(np); 3220 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 3221 3222 tegra_cpu_car_ops = &tegra210_cpu_car_ops; 3223 } 3224 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init); 3225