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 28 #include "clk.h" 29 #include "clk-id.h" 30 31 /* 32 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register 33 * banks present in the Tegra210 CAR IP block. The banks are 34 * identified by single letters, e.g.: L, H, U, V, W, X, Y. See 35 * periph_regs[] in drivers/clk/tegra/clk.c 36 */ 37 #define TEGRA210_CAR_BANK_COUNT 7 38 39 #define CLK_SOURCE_CSITE 0x1d4 40 #define CLK_SOURCE_EMC 0x19c 41 42 #define PLLC_BASE 0x80 43 #define PLLC_OUT 0x84 44 #define PLLC_MISC0 0x88 45 #define PLLC_MISC1 0x8c 46 #define PLLC_MISC2 0x5d0 47 #define PLLC_MISC3 0x5d4 48 49 #define PLLC2_BASE 0x4e8 50 #define PLLC2_MISC0 0x4ec 51 #define PLLC2_MISC1 0x4f0 52 #define PLLC2_MISC2 0x4f4 53 #define PLLC2_MISC3 0x4f8 54 55 #define PLLC3_BASE 0x4fc 56 #define PLLC3_MISC0 0x500 57 #define PLLC3_MISC1 0x504 58 #define PLLC3_MISC2 0x508 59 #define PLLC3_MISC3 0x50c 60 61 #define PLLM_BASE 0x90 62 #define PLLM_MISC1 0x98 63 #define PLLM_MISC2 0x9c 64 #define PLLP_BASE 0xa0 65 #define PLLP_MISC0 0xac 66 #define PLLP_MISC1 0x680 67 #define PLLA_BASE 0xb0 68 #define PLLA_MISC0 0xbc 69 #define PLLA_MISC1 0xb8 70 #define PLLA_MISC2 0x5d8 71 #define PLLD_BASE 0xd0 72 #define PLLD_MISC0 0xdc 73 #define PLLD_MISC1 0xd8 74 #define PLLU_BASE 0xc0 75 #define PLLU_OUTA 0xc4 76 #define PLLU_MISC0 0xcc 77 #define PLLU_MISC1 0xc8 78 #define PLLX_BASE 0xe0 79 #define PLLX_MISC0 0xe4 80 #define PLLX_MISC1 0x510 81 #define PLLX_MISC2 0x514 82 #define PLLX_MISC3 0x518 83 #define PLLX_MISC4 0x5f0 84 #define PLLX_MISC5 0x5f4 85 #define PLLE_BASE 0xe8 86 #define PLLE_MISC0 0xec 87 #define PLLD2_BASE 0x4b8 88 #define PLLD2_MISC0 0x4bc 89 #define PLLD2_MISC1 0x570 90 #define PLLD2_MISC2 0x574 91 #define PLLD2_MISC3 0x578 92 #define PLLE_AUX 0x48c 93 #define PLLRE_BASE 0x4c4 94 #define PLLRE_MISC0 0x4c8 95 #define PLLDP_BASE 0x590 96 #define PLLDP_MISC 0x594 97 98 #define PLLC4_BASE 0x5a4 99 #define PLLC4_MISC0 0x5a8 100 #define PLLC4_OUT 0x5e4 101 #define PLLMB_BASE 0x5e8 102 #define PLLMB_MISC1 0x5ec 103 #define PLLA1_BASE 0x6a4 104 #define PLLA1_MISC0 0x6a8 105 #define PLLA1_MISC1 0x6ac 106 #define PLLA1_MISC2 0x6b0 107 #define PLLA1_MISC3 0x6b4 108 109 #define PLLU_IDDQ_BIT 31 110 #define PLLCX_IDDQ_BIT 27 111 #define PLLRE_IDDQ_BIT 24 112 #define PLLA_IDDQ_BIT 25 113 #define PLLD_IDDQ_BIT 20 114 #define PLLSS_IDDQ_BIT 18 115 #define PLLM_IDDQ_BIT 5 116 #define PLLMB_IDDQ_BIT 17 117 #define PLLXP_IDDQ_BIT 3 118 119 #define PLLCX_RESET_BIT 30 120 121 #define PLL_BASE_LOCK BIT(27) 122 #define PLLCX_BASE_LOCK BIT(26) 123 #define PLLE_MISC_LOCK BIT(11) 124 #define PLLRE_MISC_LOCK BIT(27) 125 126 #define PLL_MISC_LOCK_ENABLE 18 127 #define PLLC_MISC_LOCK_ENABLE 24 128 #define PLLDU_MISC_LOCK_ENABLE 22 129 #define PLLU_MISC_LOCK_ENABLE 29 130 #define PLLE_MISC_LOCK_ENABLE 9 131 #define PLLRE_MISC_LOCK_ENABLE 30 132 #define PLLSS_MISC_LOCK_ENABLE 30 133 #define PLLP_MISC_LOCK_ENABLE 18 134 #define PLLM_MISC_LOCK_ENABLE 4 135 #define PLLMB_MISC_LOCK_ENABLE 16 136 #define PLLA_MISC_LOCK_ENABLE 28 137 #define PLLU_MISC_LOCK_ENABLE 29 138 #define PLLD_MISC_LOCK_ENABLE 18 139 140 #define PLLA_SDM_DIN_MASK 0xffff 141 #define PLLA_SDM_EN_MASK BIT(26) 142 143 #define PLLD_SDM_EN_MASK BIT(16) 144 145 #define PLLD2_SDM_EN_MASK BIT(31) 146 #define PLLD2_SSC_EN_MASK BIT(30) 147 148 #define PLLDP_SS_CFG 0x598 149 #define PLLDP_SDM_EN_MASK BIT(31) 150 #define PLLDP_SSC_EN_MASK BIT(30) 151 #define PLLDP_SS_CTRL1 0x59c 152 #define PLLDP_SS_CTRL2 0x5a0 153 154 #define PMC_PLLM_WB0_OVERRIDE 0x1dc 155 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0 156 157 #define UTMIP_PLL_CFG2 0x488 158 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6) 159 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) 160 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) 161 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1) 162 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) 163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3) 164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) 165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5) 166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24) 167 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25) 168 169 #define UTMIP_PLL_CFG1 0x484 170 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) 171 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) 172 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17) 173 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) 174 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15) 175 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) 176 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) 177 178 #define SATA_PLL_CFG0 0x490 179 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 180 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2) 181 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 182 #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24) 183 184 #define XUSBIO_PLL_CFG0 0x51c 185 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 186 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2) 187 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6) 188 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 189 #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24) 190 191 #define UTMIPLL_HW_PWRDN_CFG0 0x52c 192 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31) 193 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25) 194 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 195 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7) 196 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 197 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5) 198 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4) 199 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 200 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1) 201 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0) 202 203 #define PLLU_HW_PWRDN_CFG0 0x530 204 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28) 205 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 206 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7) 207 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 208 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 209 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0) 210 211 #define XUSB_PLL_CFG0 0x534 212 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff 213 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14) 214 215 #define SPARE_REG0 0x55c 216 #define CLK_M_DIVISOR_SHIFT 2 217 #define CLK_M_DIVISOR_MASK 0x3 218 219 /* 220 * SDM fractional divisor is 16-bit 2's complement signed number within 221 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned 222 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to 223 * indicate that SDM is disabled. 224 * 225 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13 226 */ 227 #define PLL_SDM_COEFF BIT(13) 228 #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU)) 229 #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat) 230 231 /* Tegra CPU clock and reset control regs */ 232 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 233 234 #ifdef CONFIG_PM_SLEEP 235 static struct cpu_clk_suspend_context { 236 u32 clk_csite_src; 237 } tegra210_cpu_clk_sctx; 238 #endif 239 240 static void __iomem *clk_base; 241 static void __iomem *pmc_base; 242 243 static unsigned long osc_freq; 244 static unsigned long pll_ref_freq; 245 246 static DEFINE_SPINLOCK(pll_d_lock); 247 static DEFINE_SPINLOCK(pll_e_lock); 248 static DEFINE_SPINLOCK(pll_re_lock); 249 static DEFINE_SPINLOCK(pll_u_lock); 250 static DEFINE_SPINLOCK(emc_lock); 251 252 /* possible OSC frequencies in Hz */ 253 static unsigned long tegra210_input_freq[] = { 254 [5] = 38400000, 255 [8] = 12000000, 256 }; 257 258 static const char *mux_pllmcp_clkm[] = { 259 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb", 260 "pll_p", 261 }; 262 #define mux_pllmcp_clkm_idx NULL 263 264 #define PLL_ENABLE (1 << 30) 265 266 #define PLLCX_MISC1_IDDQ (1 << 27) 267 #define PLLCX_MISC0_RESET (1 << 30) 268 269 #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000 270 #define PLLCX_MISC0_WRITE_MASK 0x400ffffb 271 #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000 272 #define PLLCX_MISC1_WRITE_MASK 0x08003cff 273 #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05 274 #define PLLCX_MISC2_WRITE_MASK 0xffffff17 275 #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4 276 #define PLLCX_MISC3_WRITE_MASK 0x00ffffff 277 278 /* PLLA */ 279 #define PLLA_BASE_IDDQ (1 << 25) 280 #define PLLA_BASE_LOCK (1 << 27) 281 282 #define PLLA_MISC0_LOCK_ENABLE (1 << 28) 283 #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27) 284 285 #define PLLA_MISC2_EN_SDM (1 << 26) 286 #define PLLA_MISC2_EN_DYNRAMP (1 << 25) 287 288 #define PLLA_MISC0_DEFAULT_VALUE 0x12000020 289 #define PLLA_MISC0_WRITE_MASK 0x7fffffff 290 #define PLLA_MISC2_DEFAULT_VALUE 0x0 291 #define PLLA_MISC2_WRITE_MASK 0x06ffffff 292 293 /* PLLD */ 294 #define PLLD_MISC0_EN_SDM (1 << 16) 295 #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17) 296 #define PLLD_MISC0_LOCK_ENABLE (1 << 18) 297 #define PLLD_MISC0_IDDQ (1 << 20) 298 #define PLLD_MISC0_DSI_CLKENABLE (1 << 21) 299 300 #define PLLD_MISC0_DEFAULT_VALUE 0x00140000 301 #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff 302 #define PLLD_MISC1_DEFAULT_VALUE 0x20 303 #define PLLD_MISC1_WRITE_MASK 0x00ffffff 304 305 /* PLLD2 and PLLDP and PLLC4 */ 306 #define PLLDSS_BASE_LOCK (1 << 27) 307 #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24) 308 #define PLLDSS_BASE_IDDQ (1 << 18) 309 #define PLLDSS_BASE_REF_SEL_SHIFT 25 310 #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT) 311 312 #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30) 313 314 #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31) 315 #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30) 316 317 #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020 318 #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000 319 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0 320 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0 321 322 #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020 323 #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000 324 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da 325 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400 326 327 #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff 328 #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000 329 #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff 330 #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff 331 332 #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000 333 334 /* PLLRE */ 335 #define PLLRE_MISC0_LOCK_ENABLE (1 << 30) 336 #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29) 337 #define PLLRE_MISC0_LOCK (1 << 27) 338 #define PLLRE_MISC0_IDDQ (1 << 24) 339 340 #define PLLRE_BASE_DEFAULT_VALUE 0x0 341 #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000 342 343 #define PLLRE_BASE_DEFAULT_MASK 0x1c000000 344 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff 345 346 /* PLLX */ 347 #define PLLX_USE_DYN_RAMP 1 348 #define PLLX_BASE_LOCK (1 << 27) 349 350 #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28) 351 #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18) 352 353 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24 354 #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT) 355 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16 356 #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT) 357 #define PLLX_MISC2_NDIV_NEW_SHIFT 8 358 #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT) 359 #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4) 360 #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2) 361 #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0) 362 363 #define PLLX_MISC3_IDDQ (0x1 << 3) 364 365 #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE 366 #define PLLX_MISC0_WRITE_MASK 0x10c40000 367 #define PLLX_MISC1_DEFAULT_VALUE 0x20 368 #define PLLX_MISC1_WRITE_MASK 0x00ffffff 369 #define PLLX_MISC2_DEFAULT_VALUE 0x0 370 #define PLLX_MISC2_WRITE_MASK 0xffffff11 371 #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ 372 #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f 373 #define PLLX_MISC4_DEFAULT_VALUE 0x0 374 #define PLLX_MISC4_WRITE_MASK 0x8000ffff 375 #define PLLX_MISC5_DEFAULT_VALUE 0x0 376 #define PLLX_MISC5_WRITE_MASK 0x0000ffff 377 378 #define PLLX_HW_CTRL_CFG 0x548 379 #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0) 380 381 /* PLLMB */ 382 #define PLLMB_BASE_LOCK (1 << 27) 383 384 #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18) 385 #define PLLMB_MISC1_IDDQ (1 << 17) 386 #define PLLMB_MISC1_LOCK_ENABLE (1 << 16) 387 388 #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000 389 #define PLLMB_MISC1_WRITE_MASK 0x0007ffff 390 391 /* PLLP */ 392 #define PLLP_BASE_OVERRIDE (1 << 28) 393 #define PLLP_BASE_LOCK (1 << 27) 394 395 #define PLLP_MISC0_LOCK_ENABLE (1 << 18) 396 #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17) 397 #define PLLP_MISC0_IDDQ (1 << 3) 398 399 #define PLLP_MISC1_HSIO_EN_SHIFT 29 400 #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT) 401 #define PLLP_MISC1_XUSB_EN_SHIFT 28 402 #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT) 403 404 #define PLLP_MISC0_DEFAULT_VALUE 0x00040008 405 #define PLLP_MISC1_DEFAULT_VALUE 0x0 406 407 #define PLLP_MISC0_WRITE_MASK 0xdc6000f 408 #define PLLP_MISC1_WRITE_MASK 0x70ffffff 409 410 /* PLLU */ 411 #define PLLU_BASE_LOCK (1 << 27) 412 #define PLLU_BASE_OVERRIDE (1 << 24) 413 #define PLLU_BASE_CLKENABLE_USB (1 << 21) 414 #define PLLU_BASE_CLKENABLE_HSIC (1 << 22) 415 #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23) 416 #define PLLU_BASE_CLKENABLE_48M (1 << 25) 417 #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\ 418 PLLU_BASE_CLKENABLE_HSIC |\ 419 PLLU_BASE_CLKENABLE_ICUSB |\ 420 PLLU_BASE_CLKENABLE_48M) 421 422 #define PLLU_MISC0_IDDQ (1 << 31) 423 #define PLLU_MISC0_LOCK_ENABLE (1 << 29) 424 #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0) 425 426 #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000 427 #define PLLU_MISC1_DEFAULT_VALUE 0x0 428 429 #define PLLU_MISC0_WRITE_MASK 0xbfffffff 430 #define PLLU_MISC1_WRITE_MASK 0x00000007 431 432 void tegra210_xusb_pll_hw_control_enable(void) 433 { 434 u32 val; 435 436 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 437 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL | 438 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL); 439 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET | 440 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ; 441 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 442 } 443 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable); 444 445 void tegra210_xusb_pll_hw_sequence_start(void) 446 { 447 u32 val; 448 449 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 450 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE; 451 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 452 } 453 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start); 454 455 void tegra210_sata_pll_hw_control_enable(void) 456 { 457 u32 val; 458 459 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 460 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL; 461 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET | 462 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ; 463 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 464 } 465 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable); 466 467 void tegra210_sata_pll_hw_sequence_start(void) 468 { 469 u32 val; 470 471 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 472 val |= SATA_PLL_CFG0_SEQ_ENABLE; 473 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 474 } 475 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start); 476 477 static inline void _pll_misc_chk_default(void __iomem *base, 478 struct tegra_clk_pll_params *params, 479 u8 misc_num, u32 default_val, u32 mask) 480 { 481 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]); 482 483 boot_val &= mask; 484 default_val &= mask; 485 if (boot_val != default_val) { 486 pr_warn("boot misc%d 0x%x: expected 0x%x\n", 487 misc_num, boot_val, default_val); 488 pr_warn(" (comparison mask = 0x%x)\n", mask); 489 params->defaults_set = false; 490 } 491 } 492 493 /* 494 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1 495 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition 496 * that changes NDIV only, while PLL is already locked. 497 */ 498 static void pllcx_check_defaults(struct tegra_clk_pll_params *params) 499 { 500 u32 default_val; 501 502 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET); 503 _pll_misc_chk_default(clk_base, params, 0, default_val, 504 PLLCX_MISC0_WRITE_MASK); 505 506 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ); 507 _pll_misc_chk_default(clk_base, params, 1, default_val, 508 PLLCX_MISC1_WRITE_MASK); 509 510 default_val = PLLCX_MISC2_DEFAULT_VALUE; 511 _pll_misc_chk_default(clk_base, params, 2, default_val, 512 PLLCX_MISC2_WRITE_MASK); 513 514 default_val = PLLCX_MISC3_DEFAULT_VALUE; 515 _pll_misc_chk_default(clk_base, params, 3, default_val, 516 PLLCX_MISC3_WRITE_MASK); 517 } 518 519 static void tegra210_pllcx_set_defaults(const char *name, 520 struct tegra_clk_pll *pllcx) 521 { 522 pllcx->params->defaults_set = true; 523 524 if (readl_relaxed(clk_base + pllcx->params->base_reg) & 525 PLL_ENABLE) { 526 /* PLL is ON: only check if defaults already set */ 527 pllcx_check_defaults(pllcx->params); 528 pr_warn("%s already enabled. Postponing set full defaults\n", 529 name); 530 return; 531 } 532 533 /* Defaults assert PLL reset, and set IDDQ */ 534 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE, 535 clk_base + pllcx->params->ext_misc_reg[0]); 536 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE, 537 clk_base + pllcx->params->ext_misc_reg[1]); 538 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE, 539 clk_base + pllcx->params->ext_misc_reg[2]); 540 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE, 541 clk_base + pllcx->params->ext_misc_reg[3]); 542 udelay(1); 543 } 544 545 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx) 546 { 547 tegra210_pllcx_set_defaults("PLL_C", pllcx); 548 } 549 550 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx) 551 { 552 tegra210_pllcx_set_defaults("PLL_C2", pllcx); 553 } 554 555 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx) 556 { 557 tegra210_pllcx_set_defaults("PLL_C3", pllcx); 558 } 559 560 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx) 561 { 562 tegra210_pllcx_set_defaults("PLL_A1", pllcx); 563 } 564 565 /* 566 * PLLA 567 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used. 568 * Fractional SDM is allowed to provide exact audio rates. 569 */ 570 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) 571 { 572 u32 mask; 573 u32 val = readl_relaxed(clk_base + plla->params->base_reg); 574 575 plla->params->defaults_set = true; 576 577 if (val & PLL_ENABLE) { 578 /* 579 * PLL is ON: check if defaults already set, then set those 580 * that can be updated in flight. 581 */ 582 if (val & PLLA_BASE_IDDQ) { 583 pr_warn("PLL_A boot enabled with IDDQ set\n"); 584 plla->params->defaults_set = false; 585 } 586 587 pr_warn("PLL_A already enabled. Postponing set full defaults\n"); 588 589 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */ 590 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE; 591 _pll_misc_chk_default(clk_base, plla->params, 0, val, 592 ~mask & PLLA_MISC0_WRITE_MASK); 593 594 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */ 595 _pll_misc_chk_default(clk_base, plla->params, 2, val, 596 PLLA_MISC2_EN_DYNRAMP); 597 598 /* Enable lock detect */ 599 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]); 600 val &= ~mask; 601 val |= PLLA_MISC0_DEFAULT_VALUE & mask; 602 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]); 603 udelay(1); 604 605 return; 606 } 607 608 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */ 609 val |= PLLA_BASE_IDDQ; 610 writel_relaxed(val, clk_base + plla->params->base_reg); 611 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE, 612 clk_base + plla->params->ext_misc_reg[0]); 613 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE, 614 clk_base + plla->params->ext_misc_reg[2]); 615 udelay(1); 616 } 617 618 /* 619 * PLLD 620 * PLL with fractional SDM. 621 */ 622 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld) 623 { 624 u32 val; 625 u32 mask = 0xffff; 626 627 plld->params->defaults_set = true; 628 629 if (readl_relaxed(clk_base + plld->params->base_reg) & 630 PLL_ENABLE) { 631 pr_warn("PLL_D already enabled. Postponing set full defaults\n"); 632 633 /* 634 * PLL is ON: check if defaults already set, then set those 635 * that can be updated in flight. 636 */ 637 val = PLLD_MISC1_DEFAULT_VALUE; 638 _pll_misc_chk_default(clk_base, plld->params, 1, 639 val, PLLD_MISC1_WRITE_MASK); 640 641 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */ 642 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ); 643 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE | 644 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM; 645 _pll_misc_chk_default(clk_base, plld->params, 0, val, 646 ~mask & PLLD_MISC0_WRITE_MASK); 647 648 /* Enable lock detect */ 649 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE; 650 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 651 val &= ~mask; 652 val |= PLLD_MISC0_DEFAULT_VALUE & mask; 653 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 654 udelay(1); 655 656 return; 657 } 658 659 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 660 val &= PLLD_MISC0_DSI_CLKENABLE; 661 val |= PLLD_MISC0_DEFAULT_VALUE; 662 /* set IDDQ, enable lock detect, disable SDM */ 663 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 664 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base + 665 plld->params->ext_misc_reg[1]); 666 udelay(1); 667 } 668 669 /* 670 * PLLD2, PLLDP 671 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used). 672 */ 673 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss, 674 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val) 675 { 676 u32 default_val; 677 u32 val = readl_relaxed(clk_base + plldss->params->base_reg); 678 679 plldss->params->defaults_set = true; 680 681 if (val & PLL_ENABLE) { 682 pr_warn("%s already enabled. Postponing set full defaults\n", 683 pll_name); 684 685 /* 686 * PLL is ON: check if defaults already set, then set those 687 * that can be updated in flight. 688 */ 689 if (val & PLLDSS_BASE_IDDQ) { 690 pr_warn("plldss boot enabled with IDDQ set\n"); 691 plldss->params->defaults_set = false; 692 } 693 694 /* ignore lock enable */ 695 default_val = misc0_val; 696 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val, 697 PLLDSS_MISC0_WRITE_MASK & 698 (~PLLDSS_MISC0_LOCK_ENABLE)); 699 700 /* 701 * If SSC is used, check all settings, otherwise just confirm 702 * that SSC is not used on boot as well. Do nothing when using 703 * this function for PLLC4 that has only MISC0. 704 */ 705 if (plldss->params->ssc_ctrl_en_mask) { 706 default_val = misc1_val; 707 _pll_misc_chk_default(clk_base, plldss->params, 1, 708 default_val, PLLDSS_MISC1_CFG_WRITE_MASK); 709 default_val = misc2_val; 710 _pll_misc_chk_default(clk_base, plldss->params, 2, 711 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK); 712 default_val = misc3_val; 713 _pll_misc_chk_default(clk_base, plldss->params, 3, 714 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK); 715 } else if (plldss->params->ext_misc_reg[1]) { 716 default_val = misc1_val; 717 _pll_misc_chk_default(clk_base, plldss->params, 1, 718 default_val, PLLDSS_MISC1_CFG_WRITE_MASK & 719 (~PLLDSS_MISC1_CFG_EN_SDM)); 720 } 721 722 /* Enable lock detect */ 723 if (val & PLLDSS_BASE_LOCK_OVERRIDE) { 724 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 725 writel_relaxed(val, clk_base + 726 plldss->params->base_reg); 727 } 728 729 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]); 730 val &= ~PLLDSS_MISC0_LOCK_ENABLE; 731 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE; 732 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]); 733 udelay(1); 734 735 return; 736 } 737 738 /* set IDDQ, enable lock detect, configure SDM/SSC */ 739 val |= PLLDSS_BASE_IDDQ; 740 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 741 writel_relaxed(val, clk_base + plldss->params->base_reg); 742 743 /* When using this function for PLLC4 exit here */ 744 if (!plldss->params->ext_misc_reg[1]) { 745 writel_relaxed(misc0_val, clk_base + 746 plldss->params->ext_misc_reg[0]); 747 udelay(1); 748 return; 749 } 750 751 writel_relaxed(misc0_val, clk_base + 752 plldss->params->ext_misc_reg[0]); 753 /* if SSC used set by 1st enable */ 754 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC), 755 clk_base + plldss->params->ext_misc_reg[1]); 756 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]); 757 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]); 758 udelay(1); 759 } 760 761 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) 762 { 763 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE, 764 PLLD2_MISC1_CFG_DEFAULT_VALUE, 765 PLLD2_MISC2_CTRL1_DEFAULT_VALUE, 766 PLLD2_MISC3_CTRL2_DEFAULT_VALUE); 767 } 768 769 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) 770 { 771 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE, 772 PLLDP_MISC1_CFG_DEFAULT_VALUE, 773 PLLDP_MISC2_CTRL1_DEFAULT_VALUE, 774 PLLDP_MISC3_CTRL2_DEFAULT_VALUE); 775 } 776 777 /* 778 * PLLC4 779 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support. 780 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers. 781 */ 782 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) 783 { 784 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0); 785 } 786 787 /* 788 * PLLRE 789 * VCO is exposed to the clock tree directly along with post-divider output 790 */ 791 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) 792 { 793 u32 mask; 794 u32 val = readl_relaxed(clk_base + pllre->params->base_reg); 795 796 pllre->params->defaults_set = true; 797 798 if (val & PLL_ENABLE) { 799 pr_warn("PLL_RE already enabled. Postponing set full defaults\n"); 800 801 /* 802 * PLL is ON: check if defaults already set, then set those 803 * that can be updated in flight. 804 */ 805 val &= PLLRE_BASE_DEFAULT_MASK; 806 if (val != PLLRE_BASE_DEFAULT_VALUE) { 807 pr_warn("pllre boot base 0x%x : expected 0x%x\n", 808 val, PLLRE_BASE_DEFAULT_VALUE); 809 pr_warn("(comparison mask = 0x%x)\n", 810 PLLRE_BASE_DEFAULT_MASK); 811 pllre->params->defaults_set = false; 812 } 813 814 /* Ignore lock enable */ 815 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ); 816 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE; 817 _pll_misc_chk_default(clk_base, pllre->params, 0, val, 818 ~mask & PLLRE_MISC0_WRITE_MASK); 819 820 /* Enable lock detect */ 821 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]); 822 val &= ~mask; 823 val |= PLLRE_MISC0_DEFAULT_VALUE & mask; 824 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]); 825 udelay(1); 826 827 return; 828 } 829 830 /* set IDDQ, enable lock detect */ 831 val &= ~PLLRE_BASE_DEFAULT_MASK; 832 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK; 833 writel_relaxed(val, clk_base + pllre->params->base_reg); 834 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE, 835 clk_base + pllre->params->ext_misc_reg[0]); 836 udelay(1); 837 } 838 839 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) 840 { 841 unsigned long input_rate; 842 843 /* cf rate */ 844 if (!IS_ERR_OR_NULL(hw->clk)) 845 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); 846 else 847 input_rate = 38400000; 848 849 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); 850 851 switch (input_rate) { 852 case 12000000: 853 case 12800000: 854 case 13000000: 855 *step_a = 0x2B; 856 *step_b = 0x0B; 857 return; 858 case 19200000: 859 *step_a = 0x12; 860 *step_b = 0x08; 861 return; 862 case 38400000: 863 *step_a = 0x04; 864 *step_b = 0x05; 865 return; 866 default: 867 pr_err("%s: Unexpected reference rate %lu\n", 868 __func__, input_rate); 869 BUG(); 870 } 871 } 872 873 static void pllx_check_defaults(struct tegra_clk_pll *pll) 874 { 875 u32 default_val; 876 877 default_val = PLLX_MISC0_DEFAULT_VALUE; 878 /* ignore lock enable */ 879 _pll_misc_chk_default(clk_base, pll->params, 0, default_val, 880 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE)); 881 882 default_val = PLLX_MISC1_DEFAULT_VALUE; 883 _pll_misc_chk_default(clk_base, pll->params, 1, default_val, 884 PLLX_MISC1_WRITE_MASK); 885 886 /* ignore all but control bit */ 887 default_val = PLLX_MISC2_DEFAULT_VALUE; 888 _pll_misc_chk_default(clk_base, pll->params, 2, 889 default_val, PLLX_MISC2_EN_DYNRAMP); 890 891 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ); 892 _pll_misc_chk_default(clk_base, pll->params, 3, default_val, 893 PLLX_MISC3_WRITE_MASK); 894 895 default_val = PLLX_MISC4_DEFAULT_VALUE; 896 _pll_misc_chk_default(clk_base, pll->params, 4, default_val, 897 PLLX_MISC4_WRITE_MASK); 898 899 default_val = PLLX_MISC5_DEFAULT_VALUE; 900 _pll_misc_chk_default(clk_base, pll->params, 5, default_val, 901 PLLX_MISC5_WRITE_MASK); 902 } 903 904 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) 905 { 906 u32 val; 907 u32 step_a, step_b; 908 909 pllx->params->defaults_set = true; 910 911 /* Get ready dyn ramp state machine settings */ 912 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b); 913 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) & 914 (~PLLX_MISC2_DYNRAMP_STEPB_MASK); 915 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT; 916 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT; 917 918 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) { 919 pr_warn("PLL_X already enabled. Postponing set full defaults\n"); 920 921 /* 922 * PLL is ON: check if defaults already set, then set those 923 * that can be updated in flight. 924 */ 925 pllx_check_defaults(pllx); 926 927 /* Configure dyn ramp, disable lock override */ 928 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 929 930 /* Enable lock detect */ 931 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]); 932 val &= ~PLLX_MISC0_LOCK_ENABLE; 933 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE; 934 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]); 935 udelay(1); 936 937 return; 938 } 939 940 /* Enable lock detect and CPU output */ 941 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base + 942 pllx->params->ext_misc_reg[0]); 943 944 /* Setup */ 945 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base + 946 pllx->params->ext_misc_reg[1]); 947 948 /* Configure dyn ramp state machine, disable lock override */ 949 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 950 951 /* Set IDDQ */ 952 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base + 953 pllx->params->ext_misc_reg[3]); 954 955 /* Disable SDM */ 956 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base + 957 pllx->params->ext_misc_reg[4]); 958 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base + 959 pllx->params->ext_misc_reg[5]); 960 udelay(1); 961 } 962 963 /* PLLMB */ 964 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) 965 { 966 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg); 967 968 pllmb->params->defaults_set = true; 969 970 if (val & PLL_ENABLE) { 971 pr_warn("PLL_MB already enabled. Postponing set full defaults\n"); 972 973 /* 974 * PLL is ON: check if defaults already set, then set those 975 * that can be updated in flight. 976 */ 977 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ); 978 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE; 979 _pll_misc_chk_default(clk_base, pllmb->params, 0, val, 980 ~mask & PLLMB_MISC1_WRITE_MASK); 981 982 /* Enable lock detect */ 983 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]); 984 val &= ~mask; 985 val |= PLLMB_MISC1_DEFAULT_VALUE & mask; 986 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]); 987 udelay(1); 988 989 return; 990 } 991 992 /* set IDDQ, enable lock detect */ 993 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE, 994 clk_base + pllmb->params->ext_misc_reg[0]); 995 udelay(1); 996 } 997 998 /* 999 * PLLP 1000 * VCO is exposed to the clock tree directly along with post-divider output. 1001 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz, 1002 * respectively. 1003 */ 1004 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled) 1005 { 1006 u32 val, mask; 1007 1008 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */ 1009 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ); 1010 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1011 if (!enabled) 1012 mask |= PLLP_MISC0_IDDQ; 1013 _pll_misc_chk_default(clk_base, pll->params, 0, val, 1014 ~mask & PLLP_MISC0_WRITE_MASK); 1015 1016 /* Ignore branch controls */ 1017 val = PLLP_MISC1_DEFAULT_VALUE; 1018 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1019 _pll_misc_chk_default(clk_base, pll->params, 1, val, 1020 ~mask & PLLP_MISC1_WRITE_MASK); 1021 } 1022 1023 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) 1024 { 1025 u32 mask; 1026 u32 val = readl_relaxed(clk_base + pllp->params->base_reg); 1027 1028 pllp->params->defaults_set = true; 1029 1030 if (val & PLL_ENABLE) { 1031 pr_warn("PLL_P already enabled. Postponing set full defaults\n"); 1032 1033 /* 1034 * PLL is ON: check if defaults already set, then set those 1035 * that can be updated in flight. 1036 */ 1037 pllp_check_defaults(pllp, true); 1038 1039 /* Enable lock detect */ 1040 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]); 1041 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1042 val &= ~mask; 1043 val |= PLLP_MISC0_DEFAULT_VALUE & mask; 1044 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]); 1045 udelay(1); 1046 1047 return; 1048 } 1049 1050 /* set IDDQ, enable lock detect */ 1051 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE, 1052 clk_base + pllp->params->ext_misc_reg[0]); 1053 1054 /* Preserve branch control */ 1055 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]); 1056 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1057 val &= mask; 1058 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE; 1059 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]); 1060 udelay(1); 1061 } 1062 1063 /* 1064 * PLLU 1065 * VCO is exposed to the clock tree directly along with post-divider output. 1066 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz, 1067 * respectively. 1068 */ 1069 static void pllu_check_defaults(struct tegra_clk_pll *pll, bool hw_control) 1070 { 1071 u32 val, mask; 1072 1073 /* Ignore lock enable (will be set) and IDDQ if under h/w control */ 1074 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ); 1075 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0); 1076 _pll_misc_chk_default(clk_base, pll->params, 0, val, 1077 ~mask & PLLU_MISC0_WRITE_MASK); 1078 1079 val = PLLU_MISC1_DEFAULT_VALUE; 1080 mask = PLLU_MISC1_LOCK_OVERRIDE; 1081 _pll_misc_chk_default(clk_base, pll->params, 1, val, 1082 ~mask & PLLU_MISC1_WRITE_MASK); 1083 } 1084 1085 static void tegra210_pllu_set_defaults(struct tegra_clk_pll *pllu) 1086 { 1087 u32 val = readl_relaxed(clk_base + pllu->params->base_reg); 1088 1089 pllu->params->defaults_set = true; 1090 1091 if (val & PLL_ENABLE) { 1092 pr_warn("PLL_U already enabled. Postponing set full defaults\n"); 1093 1094 /* 1095 * PLL is ON: check if defaults already set, then set those 1096 * that can be updated in flight. 1097 */ 1098 pllu_check_defaults(pllu, false); 1099 1100 /* Enable lock detect */ 1101 val = readl_relaxed(clk_base + pllu->params->ext_misc_reg[0]); 1102 val &= ~PLLU_MISC0_LOCK_ENABLE; 1103 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE; 1104 writel_relaxed(val, clk_base + pllu->params->ext_misc_reg[0]); 1105 1106 val = readl_relaxed(clk_base + pllu->params->ext_misc_reg[1]); 1107 val &= ~PLLU_MISC1_LOCK_OVERRIDE; 1108 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE; 1109 writel_relaxed(val, clk_base + pllu->params->ext_misc_reg[1]); 1110 udelay(1); 1111 1112 return; 1113 } 1114 1115 /* set IDDQ, enable lock detect */ 1116 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE, 1117 clk_base + pllu->params->ext_misc_reg[0]); 1118 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE, 1119 clk_base + pllu->params->ext_misc_reg[1]); 1120 udelay(1); 1121 } 1122 1123 #define mask(w) ((1 << (w)) - 1) 1124 #define divm_mask(p) mask(p->params->div_nmp->divm_width) 1125 #define divn_mask(p) mask(p->params->div_nmp->divn_width) 1126 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ 1127 mask(p->params->div_nmp->divp_width)) 1128 1129 #define divm_shift(p) ((p)->params->div_nmp->divm_shift) 1130 #define divn_shift(p) ((p)->params->div_nmp->divn_shift) 1131 #define divp_shift(p) ((p)->params->div_nmp->divp_shift) 1132 1133 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p)) 1134 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p)) 1135 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p)) 1136 1137 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */ 1138 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll, 1139 u32 reg, u32 mask) 1140 { 1141 int i; 1142 u32 val = 0; 1143 1144 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) { 1145 udelay(PLL_LOCKDET_DELAY); 1146 val = readl_relaxed(clk_base + reg); 1147 if ((val & mask) == mask) { 1148 udelay(PLL_LOCKDET_DELAY); 1149 return 0; 1150 } 1151 } 1152 return -ETIMEDOUT; 1153 } 1154 1155 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx, 1156 struct tegra_clk_pll_freq_table *cfg) 1157 { 1158 u32 val, base, ndiv_new_mask; 1159 1160 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift) 1161 << PLLX_MISC2_NDIV_NEW_SHIFT; 1162 1163 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1164 val &= (~ndiv_new_mask); 1165 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT; 1166 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1167 udelay(1); 1168 1169 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1170 val |= PLLX_MISC2_EN_DYNRAMP; 1171 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1172 udelay(1); 1173 1174 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2], 1175 PLLX_MISC2_DYNRAMP_DONE); 1176 1177 base = readl_relaxed(clk_base + pllx->params->base_reg) & 1178 (~divn_mask_shifted(pllx)); 1179 base |= cfg->n << pllx->params->div_nmp->divn_shift; 1180 writel_relaxed(base, clk_base + pllx->params->base_reg); 1181 udelay(1); 1182 1183 val &= ~PLLX_MISC2_EN_DYNRAMP; 1184 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1185 udelay(1); 1186 1187 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n", 1188 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p, 1189 cfg->input_rate / cfg->m * cfg->n / 1190 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000); 1191 1192 return 0; 1193 } 1194 1195 /* 1196 * Common configuration for PLLs with fixed input divider policy: 1197 * - always set fixed M-value based on the reference rate 1198 * - always set P-value value 1:1 for output rates above VCO minimum, and 1199 * choose minimum necessary P-value for output rates below VCO maximum 1200 * - calculate N-value based on selected M and P 1201 * - calculate SDM_DIN fractional part 1202 */ 1203 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw, 1204 struct tegra_clk_pll_freq_table *cfg, 1205 unsigned long rate, unsigned long input_rate) 1206 { 1207 struct tegra_clk_pll *pll = to_clk_pll(hw); 1208 struct tegra_clk_pll_params *params = pll->params; 1209 int p; 1210 unsigned long cf, p_rate; 1211 u32 pdiv; 1212 1213 if (!rate) 1214 return -EINVAL; 1215 1216 if (!(params->flags & TEGRA_PLL_VCO_OUT)) { 1217 p = DIV_ROUND_UP(params->vco_min, rate); 1218 p = params->round_p_to_pdiv(p, &pdiv); 1219 } else { 1220 p = rate >= params->vco_min ? 1 : -EINVAL; 1221 } 1222 1223 if (IS_ERR_VALUE(p)) 1224 return -EINVAL; 1225 1226 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate); 1227 cfg->p = p; 1228 1229 /* Store P as HW value, as that is what is expected */ 1230 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p); 1231 1232 p_rate = rate * p; 1233 if (p_rate > params->vco_max) 1234 p_rate = params->vco_max; 1235 cf = input_rate / cfg->m; 1236 cfg->n = p_rate / cf; 1237 1238 cfg->sdm_data = 0; 1239 if (params->sdm_ctrl_reg) { 1240 unsigned long rem = p_rate - cf * cfg->n; 1241 /* If ssc is enabled SDM enabled as well, even for integer n */ 1242 if (rem || params->ssc_ctrl_reg) { 1243 u64 s = rem * PLL_SDM_COEFF; 1244 1245 do_div(s, cf); 1246 s -= PLL_SDM_COEFF / 2; 1247 cfg->sdm_data = sdin_din_to_data(s); 1248 } 1249 } 1250 1251 cfg->input_rate = input_rate; 1252 cfg->output_rate = rate; 1253 1254 return 0; 1255 } 1256 1257 /* 1258 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate 1259 * 1260 * @cfg: struct tegra_clk_pll_freq_table * cfg 1261 * 1262 * For Normal mode: 1263 * Fvco = Fref * NDIV / MDIV 1264 * 1265 * For fractional mode: 1266 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV 1267 */ 1268 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg) 1269 { 1270 cfg->n = cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 + 1271 sdin_data_to_din(cfg->sdm_data); 1272 cfg->m *= PLL_SDM_COEFF; 1273 } 1274 1275 static unsigned long 1276 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, 1277 unsigned long parent_rate) 1278 { 1279 unsigned long vco_min = params->vco_min; 1280 1281 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF); 1282 vco_min = min(vco_min, params->vco_min); 1283 1284 return vco_min; 1285 } 1286 1287 static struct div_nmp pllx_nmp = { 1288 .divm_shift = 0, 1289 .divm_width = 8, 1290 .divn_shift = 8, 1291 .divn_width = 8, 1292 .divp_shift = 20, 1293 .divp_width = 5, 1294 }; 1295 /* 1296 * PLL post divider maps - two types: quasi-linear and exponential 1297 * post divider. 1298 */ 1299 #define PLL_QLIN_PDIV_MAX 16 1300 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = { 1301 { .pdiv = 1, .hw_val = 0 }, 1302 { .pdiv = 2, .hw_val = 1 }, 1303 { .pdiv = 3, .hw_val = 2 }, 1304 { .pdiv = 4, .hw_val = 3 }, 1305 { .pdiv = 5, .hw_val = 4 }, 1306 { .pdiv = 6, .hw_val = 5 }, 1307 { .pdiv = 8, .hw_val = 6 }, 1308 { .pdiv = 9, .hw_val = 7 }, 1309 { .pdiv = 10, .hw_val = 8 }, 1310 { .pdiv = 12, .hw_val = 9 }, 1311 { .pdiv = 15, .hw_val = 10 }, 1312 { .pdiv = 16, .hw_val = 11 }, 1313 { .pdiv = 18, .hw_val = 12 }, 1314 { .pdiv = 20, .hw_val = 13 }, 1315 { .pdiv = 24, .hw_val = 14 }, 1316 { .pdiv = 30, .hw_val = 15 }, 1317 { .pdiv = 32, .hw_val = 16 }, 1318 }; 1319 1320 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv) 1321 { 1322 int i; 1323 1324 if (p) { 1325 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) { 1326 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) { 1327 if (pdiv) 1328 *pdiv = i; 1329 return pll_qlin_pdiv_to_hw[i].pdiv; 1330 } 1331 } 1332 } 1333 1334 return -EINVAL; 1335 } 1336 1337 #define PLL_EXPO_PDIV_MAX 7 1338 static const struct pdiv_map pll_expo_pdiv_to_hw[] = { 1339 { .pdiv = 1, .hw_val = 0 }, 1340 { .pdiv = 2, .hw_val = 1 }, 1341 { .pdiv = 4, .hw_val = 2 }, 1342 { .pdiv = 8, .hw_val = 3 }, 1343 { .pdiv = 16, .hw_val = 4 }, 1344 { .pdiv = 32, .hw_val = 5 }, 1345 { .pdiv = 64, .hw_val = 6 }, 1346 { .pdiv = 128, .hw_val = 7 }, 1347 }; 1348 1349 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv) 1350 { 1351 if (p) { 1352 u32 i = fls(p); 1353 1354 if (i == ffs(p)) 1355 i--; 1356 1357 if (i <= PLL_EXPO_PDIV_MAX) { 1358 if (pdiv) 1359 *pdiv = i; 1360 return 1 << i; 1361 } 1362 } 1363 return -EINVAL; 1364 } 1365 1366 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 1367 /* 1 GHz */ 1368 { 12000000, 1000000000, 166, 1, 1, 0 }, /* actual: 996.0 MHz */ 1369 { 13000000, 1000000000, 153, 1, 1, 0 }, /* actual: 994.0 MHz */ 1370 { 38400000, 1000000000, 156, 3, 1, 0 }, /* actual: 998.4 MHz */ 1371 { 0, 0, 0, 0, 0, 0 }, 1372 }; 1373 1374 static struct tegra_clk_pll_params pll_x_params = { 1375 .input_min = 12000000, 1376 .input_max = 800000000, 1377 .cf_min = 12000000, 1378 .cf_max = 38400000, 1379 .vco_min = 1350000000, 1380 .vco_max = 3000000000UL, 1381 .base_reg = PLLX_BASE, 1382 .misc_reg = PLLX_MISC0, 1383 .lock_mask = PLL_BASE_LOCK, 1384 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 1385 .lock_delay = 300, 1386 .ext_misc_reg[0] = PLLX_MISC0, 1387 .ext_misc_reg[1] = PLLX_MISC1, 1388 .ext_misc_reg[2] = PLLX_MISC2, 1389 .ext_misc_reg[3] = PLLX_MISC3, 1390 .ext_misc_reg[4] = PLLX_MISC4, 1391 .ext_misc_reg[5] = PLLX_MISC5, 1392 .iddq_reg = PLLX_MISC3, 1393 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1394 .max_p = PLL_QLIN_PDIV_MAX, 1395 .mdiv_default = 2, 1396 .dyn_ramp_reg = PLLX_MISC2, 1397 .stepa_shift = 16, 1398 .stepb_shift = 24, 1399 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1400 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1401 .div_nmp = &pllx_nmp, 1402 .freq_table = pll_x_freq_table, 1403 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1404 .dyn_ramp = tegra210_pllx_dyn_ramp, 1405 .set_defaults = tegra210_pllx_set_defaults, 1406 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1407 }; 1408 1409 static struct div_nmp pllc_nmp = { 1410 .divm_shift = 0, 1411 .divm_width = 8, 1412 .divn_shift = 10, 1413 .divn_width = 8, 1414 .divp_shift = 20, 1415 .divp_width = 5, 1416 }; 1417 1418 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { 1419 { 12000000, 510000000, 85, 1, 1, 0 }, 1420 { 13000000, 510000000, 78, 1, 1, 0 }, /* actual: 507.0 MHz */ 1421 { 38400000, 510000000, 79, 3, 1, 0 }, /* actual: 505.6 MHz */ 1422 { 0, 0, 0, 0, 0, 0 }, 1423 }; 1424 1425 static struct tegra_clk_pll_params pll_c_params = { 1426 .input_min = 12000000, 1427 .input_max = 700000000, 1428 .cf_min = 12000000, 1429 .cf_max = 50000000, 1430 .vco_min = 600000000, 1431 .vco_max = 1200000000, 1432 .base_reg = PLLC_BASE, 1433 .misc_reg = PLLC_MISC0, 1434 .lock_mask = PLL_BASE_LOCK, 1435 .lock_delay = 300, 1436 .iddq_reg = PLLC_MISC1, 1437 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1438 .reset_reg = PLLC_MISC0, 1439 .reset_bit_idx = PLLCX_RESET_BIT, 1440 .max_p = PLL_QLIN_PDIV_MAX, 1441 .ext_misc_reg[0] = PLLC_MISC0, 1442 .ext_misc_reg[1] = PLLC_MISC1, 1443 .ext_misc_reg[2] = PLLC_MISC2, 1444 .ext_misc_reg[3] = PLLC_MISC3, 1445 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1446 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1447 .mdiv_default = 3, 1448 .div_nmp = &pllc_nmp, 1449 .freq_table = pll_cx_freq_table, 1450 .flags = TEGRA_PLL_USE_LOCK, 1451 .set_defaults = _pllc_set_defaults, 1452 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1453 }; 1454 1455 static struct div_nmp pllcx_nmp = { 1456 .divm_shift = 0, 1457 .divm_width = 8, 1458 .divn_shift = 10, 1459 .divn_width = 8, 1460 .divp_shift = 20, 1461 .divp_width = 5, 1462 }; 1463 1464 static struct tegra_clk_pll_params pll_c2_params = { 1465 .input_min = 12000000, 1466 .input_max = 700000000, 1467 .cf_min = 12000000, 1468 .cf_max = 50000000, 1469 .vco_min = 600000000, 1470 .vco_max = 1200000000, 1471 .base_reg = PLLC2_BASE, 1472 .misc_reg = PLLC2_MISC0, 1473 .iddq_reg = PLLC2_MISC1, 1474 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1475 .reset_reg = PLLC2_MISC0, 1476 .reset_bit_idx = PLLCX_RESET_BIT, 1477 .lock_mask = PLLCX_BASE_LOCK, 1478 .lock_delay = 300, 1479 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1480 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1481 .mdiv_default = 3, 1482 .div_nmp = &pllcx_nmp, 1483 .max_p = PLL_QLIN_PDIV_MAX, 1484 .ext_misc_reg[0] = PLLC2_MISC0, 1485 .ext_misc_reg[1] = PLLC2_MISC1, 1486 .ext_misc_reg[2] = PLLC2_MISC2, 1487 .ext_misc_reg[3] = PLLC2_MISC3, 1488 .freq_table = pll_cx_freq_table, 1489 .flags = TEGRA_PLL_USE_LOCK, 1490 .set_defaults = _pllc2_set_defaults, 1491 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1492 }; 1493 1494 static struct tegra_clk_pll_params pll_c3_params = { 1495 .input_min = 12000000, 1496 .input_max = 700000000, 1497 .cf_min = 12000000, 1498 .cf_max = 50000000, 1499 .vco_min = 600000000, 1500 .vco_max = 1200000000, 1501 .base_reg = PLLC3_BASE, 1502 .misc_reg = PLLC3_MISC0, 1503 .lock_mask = PLLCX_BASE_LOCK, 1504 .lock_delay = 300, 1505 .iddq_reg = PLLC3_MISC1, 1506 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1507 .reset_reg = PLLC3_MISC0, 1508 .reset_bit_idx = PLLCX_RESET_BIT, 1509 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1510 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1511 .mdiv_default = 3, 1512 .div_nmp = &pllcx_nmp, 1513 .max_p = PLL_QLIN_PDIV_MAX, 1514 .ext_misc_reg[0] = PLLC3_MISC0, 1515 .ext_misc_reg[1] = PLLC3_MISC1, 1516 .ext_misc_reg[2] = PLLC3_MISC2, 1517 .ext_misc_reg[3] = PLLC3_MISC3, 1518 .freq_table = pll_cx_freq_table, 1519 .flags = TEGRA_PLL_USE_LOCK, 1520 .set_defaults = _pllc3_set_defaults, 1521 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1522 }; 1523 1524 static struct div_nmp pllss_nmp = { 1525 .divm_shift = 0, 1526 .divm_width = 8, 1527 .divn_shift = 8, 1528 .divn_width = 8, 1529 .divp_shift = 19, 1530 .divp_width = 5, 1531 }; 1532 1533 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = { 1534 { 12000000, 600000000, 50, 1, 0, 0 }, 1535 { 13000000, 600000000, 46, 1, 0, 0 }, /* actual: 598.0 MHz */ 1536 { 38400000, 600000000, 62, 4, 0, 0 }, /* actual: 595.2 MHz */ 1537 { 0, 0, 0, 0, 0, 0 }, 1538 }; 1539 1540 static const struct clk_div_table pll_vco_post_div_table[] = { 1541 { .val = 0, .div = 1 }, 1542 { .val = 1, .div = 2 }, 1543 { .val = 2, .div = 3 }, 1544 { .val = 3, .div = 4 }, 1545 { .val = 4, .div = 5 }, 1546 { .val = 5, .div = 6 }, 1547 { .val = 6, .div = 8 }, 1548 { .val = 7, .div = 10 }, 1549 { .val = 8, .div = 12 }, 1550 { .val = 9, .div = 16 }, 1551 { .val = 10, .div = 12 }, 1552 { .val = 11, .div = 16 }, 1553 { .val = 12, .div = 20 }, 1554 { .val = 13, .div = 24 }, 1555 { .val = 14, .div = 32 }, 1556 { .val = 0, .div = 0 }, 1557 }; 1558 1559 static struct tegra_clk_pll_params pll_c4_vco_params = { 1560 .input_min = 9600000, 1561 .input_max = 800000000, 1562 .cf_min = 9600000, 1563 .cf_max = 19200000, 1564 .vco_min = 500000000, 1565 .vco_max = 1080000000, 1566 .base_reg = PLLC4_BASE, 1567 .misc_reg = PLLC4_MISC0, 1568 .lock_mask = PLL_BASE_LOCK, 1569 .lock_delay = 300, 1570 .max_p = PLL_QLIN_PDIV_MAX, 1571 .ext_misc_reg[0] = PLLC4_MISC0, 1572 .iddq_reg = PLLC4_BASE, 1573 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1574 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1575 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1576 .mdiv_default = 3, 1577 .div_nmp = &pllss_nmp, 1578 .freq_table = pll_c4_vco_freq_table, 1579 .set_defaults = tegra210_pllc4_set_defaults, 1580 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1581 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1582 }; 1583 1584 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 1585 { 12000000, 800000000, 66, 1, 0, 0 }, /* actual: 792.0 MHz */ 1586 { 13000000, 800000000, 61, 1, 0, 0 }, /* actual: 793.0 MHz */ 1587 { 38400000, 297600000, 93, 4, 2, 0 }, 1588 { 38400000, 400000000, 125, 4, 2, 0 }, 1589 { 38400000, 532800000, 111, 4, 1, 0 }, 1590 { 38400000, 665600000, 104, 3, 1, 0 }, 1591 { 38400000, 800000000, 125, 3, 1, 0 }, 1592 { 38400000, 931200000, 97, 4, 0, 0 }, 1593 { 38400000, 1065600000, 111, 4, 0, 0 }, 1594 { 38400000, 1200000000, 125, 4, 0, 0 }, 1595 { 38400000, 1331200000, 104, 3, 0, 0 }, 1596 { 38400000, 1459200000, 76, 2, 0, 0 }, 1597 { 38400000, 1600000000, 125, 3, 0, 0 }, 1598 { 0, 0, 0, 0, 0, 0 }, 1599 }; 1600 1601 static struct div_nmp pllm_nmp = { 1602 .divm_shift = 0, 1603 .divm_width = 8, 1604 .override_divm_shift = 0, 1605 .divn_shift = 8, 1606 .divn_width = 8, 1607 .override_divn_shift = 8, 1608 .divp_shift = 20, 1609 .divp_width = 5, 1610 .override_divp_shift = 27, 1611 }; 1612 1613 static struct tegra_clk_pll_params pll_m_params = { 1614 .input_min = 9600000, 1615 .input_max = 500000000, 1616 .cf_min = 9600000, 1617 .cf_max = 19200000, 1618 .vco_min = 800000000, 1619 .vco_max = 1866000000, 1620 .base_reg = PLLM_BASE, 1621 .misc_reg = PLLM_MISC2, 1622 .lock_mask = PLL_BASE_LOCK, 1623 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE, 1624 .lock_delay = 300, 1625 .iddq_reg = PLLM_MISC2, 1626 .iddq_bit_idx = PLLM_IDDQ_BIT, 1627 .max_p = PLL_QLIN_PDIV_MAX, 1628 .ext_misc_reg[0] = PLLM_MISC2, 1629 .ext_misc_reg[1] = PLLM_MISC1, 1630 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1631 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1632 .div_nmp = &pllm_nmp, 1633 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 1634 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, 1635 .freq_table = pll_m_freq_table, 1636 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1637 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1638 }; 1639 1640 static struct tegra_clk_pll_params pll_mb_params = { 1641 .input_min = 9600000, 1642 .input_max = 500000000, 1643 .cf_min = 9600000, 1644 .cf_max = 19200000, 1645 .vco_min = 800000000, 1646 .vco_max = 1866000000, 1647 .base_reg = PLLMB_BASE, 1648 .misc_reg = PLLMB_MISC1, 1649 .lock_mask = PLL_BASE_LOCK, 1650 .lock_delay = 300, 1651 .iddq_reg = PLLMB_MISC1, 1652 .iddq_bit_idx = PLLMB_IDDQ_BIT, 1653 .max_p = PLL_QLIN_PDIV_MAX, 1654 .ext_misc_reg[0] = PLLMB_MISC1, 1655 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1656 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1657 .div_nmp = &pllm_nmp, 1658 .freq_table = pll_m_freq_table, 1659 .flags = TEGRA_PLL_USE_LOCK, 1660 .set_defaults = tegra210_pllmb_set_defaults, 1661 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1662 }; 1663 1664 1665 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 1666 /* PLLE special case: use cpcon field to store cml divider value */ 1667 { 672000000, 100000000, 125, 42, 0, 13 }, 1668 { 624000000, 100000000, 125, 39, 0, 13 }, 1669 { 336000000, 100000000, 125, 21, 0, 13 }, 1670 { 312000000, 100000000, 200, 26, 0, 14 }, 1671 { 38400000, 100000000, 125, 2, 0, 14 }, 1672 { 12000000, 100000000, 200, 1, 0, 14 }, 1673 { 0, 0, 0, 0, 0, 0 }, 1674 }; 1675 1676 static struct div_nmp plle_nmp = { 1677 .divm_shift = 0, 1678 .divm_width = 8, 1679 .divn_shift = 8, 1680 .divn_width = 8, 1681 .divp_shift = 24, 1682 .divp_width = 5, 1683 }; 1684 1685 static struct tegra_clk_pll_params pll_e_params = { 1686 .input_min = 12000000, 1687 .input_max = 800000000, 1688 .cf_min = 12000000, 1689 .cf_max = 38400000, 1690 .vco_min = 1600000000, 1691 .vco_max = 2500000000U, 1692 .base_reg = PLLE_BASE, 1693 .misc_reg = PLLE_MISC0, 1694 .aux_reg = PLLE_AUX, 1695 .lock_mask = PLLE_MISC_LOCK, 1696 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 1697 .lock_delay = 300, 1698 .div_nmp = &plle_nmp, 1699 .freq_table = pll_e_freq_table, 1700 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK | 1701 TEGRA_PLL_HAS_LOCK_ENABLE, 1702 .fixed_rate = 100000000, 1703 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1704 }; 1705 1706 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = { 1707 { 12000000, 672000000, 56, 1, 0, 0 }, 1708 { 13000000, 672000000, 51, 1, 0, 0 }, /* actual: 663.0 MHz */ 1709 { 38400000, 672000000, 70, 4, 0, 0 }, 1710 { 0, 0, 0, 0, 0, 0 }, 1711 }; 1712 1713 static struct div_nmp pllre_nmp = { 1714 .divm_shift = 0, 1715 .divm_width = 8, 1716 .divn_shift = 8, 1717 .divn_width = 8, 1718 .divp_shift = 16, 1719 .divp_width = 5, 1720 }; 1721 1722 static struct tegra_clk_pll_params pll_re_vco_params = { 1723 .input_min = 9600000, 1724 .input_max = 800000000, 1725 .cf_min = 9600000, 1726 .cf_max = 19200000, 1727 .vco_min = 350000000, 1728 .vco_max = 700000000, 1729 .base_reg = PLLRE_BASE, 1730 .misc_reg = PLLRE_MISC0, 1731 .lock_mask = PLLRE_MISC_LOCK, 1732 .lock_delay = 300, 1733 .max_p = PLL_QLIN_PDIV_MAX, 1734 .ext_misc_reg[0] = PLLRE_MISC0, 1735 .iddq_reg = PLLRE_MISC0, 1736 .iddq_bit_idx = PLLRE_IDDQ_BIT, 1737 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1738 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1739 .div_nmp = &pllre_nmp, 1740 .freq_table = pll_re_vco_freq_table, 1741 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT, 1742 .set_defaults = tegra210_pllre_set_defaults, 1743 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1744 }; 1745 1746 static struct div_nmp pllp_nmp = { 1747 .divm_shift = 0, 1748 .divm_width = 8, 1749 .divn_shift = 10, 1750 .divn_width = 8, 1751 .divp_shift = 20, 1752 .divp_width = 5, 1753 }; 1754 1755 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 1756 { 12000000, 408000000, 34, 1, 0, 0 }, 1757 { 38400000, 408000000, 85, 8, 0, 0 }, /* cf = 4.8MHz, allowed exception */ 1758 { 0, 0, 0, 0, 0, 0 }, 1759 }; 1760 1761 static struct tegra_clk_pll_params pll_p_params = { 1762 .input_min = 9600000, 1763 .input_max = 800000000, 1764 .cf_min = 9600000, 1765 .cf_max = 19200000, 1766 .vco_min = 350000000, 1767 .vco_max = 700000000, 1768 .base_reg = PLLP_BASE, 1769 .misc_reg = PLLP_MISC0, 1770 .lock_mask = PLL_BASE_LOCK, 1771 .lock_delay = 300, 1772 .iddq_reg = PLLP_MISC0, 1773 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1774 .ext_misc_reg[0] = PLLP_MISC0, 1775 .ext_misc_reg[1] = PLLP_MISC1, 1776 .div_nmp = &pllp_nmp, 1777 .freq_table = pll_p_freq_table, 1778 .fixed_rate = 408000000, 1779 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1780 .set_defaults = tegra210_pllp_set_defaults, 1781 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1782 }; 1783 1784 static struct tegra_clk_pll_params pll_a1_params = { 1785 .input_min = 12000000, 1786 .input_max = 700000000, 1787 .cf_min = 12000000, 1788 .cf_max = 50000000, 1789 .vco_min = 600000000, 1790 .vco_max = 1200000000, 1791 .base_reg = PLLA1_BASE, 1792 .misc_reg = PLLA1_MISC0, 1793 .lock_mask = PLLCX_BASE_LOCK, 1794 .lock_delay = 300, 1795 .iddq_reg = PLLA1_MISC0, 1796 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1797 .reset_reg = PLLA1_MISC0, 1798 .reset_bit_idx = PLLCX_RESET_BIT, 1799 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1800 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1801 .div_nmp = &pllc_nmp, 1802 .ext_misc_reg[0] = PLLA1_MISC0, 1803 .ext_misc_reg[1] = PLLA1_MISC1, 1804 .ext_misc_reg[2] = PLLA1_MISC2, 1805 .ext_misc_reg[3] = PLLA1_MISC3, 1806 .freq_table = pll_cx_freq_table, 1807 .flags = TEGRA_PLL_USE_LOCK, 1808 .set_defaults = _plla1_set_defaults, 1809 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1810 }; 1811 1812 static struct div_nmp plla_nmp = { 1813 .divm_shift = 0, 1814 .divm_width = 8, 1815 .divn_shift = 8, 1816 .divn_width = 8, 1817 .divp_shift = 20, 1818 .divp_width = 5, 1819 }; 1820 1821 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 1822 { 12000000, 282240000, 47, 1, 1, 1, 0xf148 }, /* actual: 282240234 */ 1823 { 12000000, 368640000, 61, 1, 1, 1, 0xfe15 }, /* actual: 368640381 */ 1824 { 12000000, 240000000, 60, 1, 2, 1, 0 }, 1825 { 13000000, 282240000, 43, 1, 1, 1, 0xfd7d }, /* actual: 282239807 */ 1826 { 13000000, 368640000, 56, 1, 1, 1, 0x06d8 }, /* actual: 368640137 */ 1827 { 13000000, 240000000, 55, 1, 2, 1, 0 }, /* actual: 238.3 MHz */ 1828 { 38400000, 282240000, 44, 3, 1, 1, 0xf333 }, /* actual: 282239844 */ 1829 { 38400000, 368640000, 57, 3, 1, 1, 0x0333 }, /* actual: 368639844 */ 1830 { 38400000, 240000000, 75, 3, 3, 1, 0 }, 1831 { 0, 0, 0, 0, 0, 0, 0 }, 1832 }; 1833 1834 static struct tegra_clk_pll_params pll_a_params = { 1835 .input_min = 12000000, 1836 .input_max = 800000000, 1837 .cf_min = 12000000, 1838 .cf_max = 19200000, 1839 .vco_min = 500000000, 1840 .vco_max = 1000000000, 1841 .base_reg = PLLA_BASE, 1842 .misc_reg = PLLA_MISC0, 1843 .lock_mask = PLL_BASE_LOCK, 1844 .lock_delay = 300, 1845 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1846 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1847 .iddq_reg = PLLA_BASE, 1848 .iddq_bit_idx = PLLA_IDDQ_BIT, 1849 .div_nmp = &plla_nmp, 1850 .sdm_din_reg = PLLA_MISC1, 1851 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1852 .sdm_ctrl_reg = PLLA_MISC2, 1853 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK, 1854 .ext_misc_reg[0] = PLLA_MISC0, 1855 .ext_misc_reg[1] = PLLA_MISC1, 1856 .ext_misc_reg[2] = PLLA_MISC2, 1857 .freq_table = pll_a_freq_table, 1858 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW, 1859 .set_defaults = tegra210_plla_set_defaults, 1860 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1861 .set_gain = tegra210_clk_pll_set_gain, 1862 .adjust_vco = tegra210_clk_adjust_vco_min, 1863 }; 1864 1865 static struct div_nmp plld_nmp = { 1866 .divm_shift = 0, 1867 .divm_width = 8, 1868 .divn_shift = 11, 1869 .divn_width = 8, 1870 .divp_shift = 20, 1871 .divp_width = 3, 1872 }; 1873 1874 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 1875 { 12000000, 594000000, 99, 1, 1, 0, 0 }, 1876 { 13000000, 594000000, 91, 1, 1, 0, 0xfc4f }, /* actual: 594000183 */ 1877 { 38400000, 594000000, 30, 1, 1, 0, 0x0e00 }, 1878 { 0, 0, 0, 0, 0, 0, 0 }, 1879 }; 1880 1881 static struct tegra_clk_pll_params pll_d_params = { 1882 .input_min = 12000000, 1883 .input_max = 800000000, 1884 .cf_min = 12000000, 1885 .cf_max = 38400000, 1886 .vco_min = 750000000, 1887 .vco_max = 1500000000, 1888 .base_reg = PLLD_BASE, 1889 .misc_reg = PLLD_MISC0, 1890 .lock_mask = PLL_BASE_LOCK, 1891 .lock_delay = 1000, 1892 .iddq_reg = PLLD_MISC0, 1893 .iddq_bit_idx = PLLD_IDDQ_BIT, 1894 .round_p_to_pdiv = pll_expo_p_to_pdiv, 1895 .pdiv_tohw = pll_expo_pdiv_to_hw, 1896 .div_nmp = &plld_nmp, 1897 .sdm_din_reg = PLLD_MISC0, 1898 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1899 .sdm_ctrl_reg = PLLD_MISC0, 1900 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK, 1901 .ext_misc_reg[0] = PLLD_MISC0, 1902 .ext_misc_reg[1] = PLLD_MISC1, 1903 .freq_table = pll_d_freq_table, 1904 .flags = TEGRA_PLL_USE_LOCK, 1905 .mdiv_default = 1, 1906 .set_defaults = tegra210_plld_set_defaults, 1907 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1908 .set_gain = tegra210_clk_pll_set_gain, 1909 .adjust_vco = tegra210_clk_adjust_vco_min, 1910 }; 1911 1912 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = { 1913 { 12000000, 594000000, 99, 1, 1, 0, 0xf000 }, 1914 { 13000000, 594000000, 91, 1, 1, 0, 0xfc4f }, /* actual: 594000183 */ 1915 { 38400000, 594000000, 30, 1, 1, 0, 0x0e00 }, 1916 { 0, 0, 0, 0, 0, 0, 0 }, 1917 }; 1918 1919 /* s/w policy, always tegra_pll_ref */ 1920 static struct tegra_clk_pll_params pll_d2_params = { 1921 .input_min = 12000000, 1922 .input_max = 800000000, 1923 .cf_min = 12000000, 1924 .cf_max = 38400000, 1925 .vco_min = 750000000, 1926 .vco_max = 1500000000, 1927 .base_reg = PLLD2_BASE, 1928 .misc_reg = PLLD2_MISC0, 1929 .lock_mask = PLL_BASE_LOCK, 1930 .lock_delay = 300, 1931 .iddq_reg = PLLD2_BASE, 1932 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1933 .sdm_din_reg = PLLD2_MISC3, 1934 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1935 .sdm_ctrl_reg = PLLD2_MISC1, 1936 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK, 1937 .ssc_ctrl_reg = PLLD2_MISC1, 1938 .ssc_ctrl_en_mask = PLLD2_SSC_EN_MASK, 1939 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1940 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1941 .div_nmp = &pllss_nmp, 1942 .ext_misc_reg[0] = PLLD2_MISC0, 1943 .ext_misc_reg[1] = PLLD2_MISC1, 1944 .ext_misc_reg[2] = PLLD2_MISC2, 1945 .ext_misc_reg[3] = PLLD2_MISC3, 1946 .max_p = PLL_QLIN_PDIV_MAX, 1947 .mdiv_default = 1, 1948 .freq_table = tegra210_pll_d2_freq_table, 1949 .set_defaults = tegra210_plld2_set_defaults, 1950 .flags = TEGRA_PLL_USE_LOCK, 1951 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1952 .set_gain = tegra210_clk_pll_set_gain, 1953 .adjust_vco = tegra210_clk_adjust_vco_min, 1954 }; 1955 1956 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = { 1957 { 12000000, 270000000, 90, 1, 3, 0, 0xf000 }, 1958 { 13000000, 270000000, 83, 1, 3, 0, 0xf000 }, /* actual: 269.8 MHz */ 1959 { 38400000, 270000000, 28, 1, 3, 0, 0xf400 }, 1960 { 0, 0, 0, 0, 0, 0, 0 }, 1961 }; 1962 1963 static struct tegra_clk_pll_params pll_dp_params = { 1964 .input_min = 12000000, 1965 .input_max = 800000000, 1966 .cf_min = 12000000, 1967 .cf_max = 38400000, 1968 .vco_min = 750000000, 1969 .vco_max = 1500000000, 1970 .base_reg = PLLDP_BASE, 1971 .misc_reg = PLLDP_MISC, 1972 .lock_mask = PLL_BASE_LOCK, 1973 .lock_delay = 300, 1974 .iddq_reg = PLLDP_BASE, 1975 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1976 .sdm_din_reg = PLLDP_SS_CTRL2, 1977 .sdm_din_mask = PLLA_SDM_DIN_MASK, 1978 .sdm_ctrl_reg = PLLDP_SS_CFG, 1979 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK, 1980 .ssc_ctrl_reg = PLLDP_SS_CFG, 1981 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK, 1982 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1983 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1984 .div_nmp = &pllss_nmp, 1985 .ext_misc_reg[0] = PLLDP_MISC, 1986 .ext_misc_reg[1] = PLLDP_SS_CFG, 1987 .ext_misc_reg[2] = PLLDP_SS_CTRL1, 1988 .ext_misc_reg[3] = PLLDP_SS_CTRL2, 1989 .max_p = PLL_QLIN_PDIV_MAX, 1990 .mdiv_default = 1, 1991 .freq_table = pll_dp_freq_table, 1992 .set_defaults = tegra210_plldp_set_defaults, 1993 .flags = TEGRA_PLL_USE_LOCK, 1994 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1995 .set_gain = tegra210_clk_pll_set_gain, 1996 .adjust_vco = tegra210_clk_adjust_vco_min, 1997 }; 1998 1999 static struct div_nmp pllu_nmp = { 2000 .divm_shift = 0, 2001 .divm_width = 8, 2002 .divn_shift = 8, 2003 .divn_width = 8, 2004 .divp_shift = 16, 2005 .divp_width = 5, 2006 }; 2007 2008 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 2009 { 12000000, 480000000, 40, 1, 0, 0 }, 2010 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */ 2011 { 38400000, 480000000, 25, 2, 0, 0 }, 2012 { 0, 0, 0, 0, 0, 0 }, 2013 }; 2014 2015 static struct tegra_clk_pll_params pll_u_vco_params = { 2016 .input_min = 9600000, 2017 .input_max = 800000000, 2018 .cf_min = 9600000, 2019 .cf_max = 19200000, 2020 .vco_min = 350000000, 2021 .vco_max = 700000000, 2022 .base_reg = PLLU_BASE, 2023 .misc_reg = PLLU_MISC0, 2024 .lock_mask = PLL_BASE_LOCK, 2025 .lock_delay = 1000, 2026 .iddq_reg = PLLU_MISC0, 2027 .iddq_bit_idx = PLLU_IDDQ_BIT, 2028 .ext_misc_reg[0] = PLLU_MISC0, 2029 .ext_misc_reg[1] = PLLU_MISC1, 2030 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2031 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2032 .div_nmp = &pllu_nmp, 2033 .freq_table = pll_u_freq_table, 2034 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2035 .set_defaults = tegra210_pllu_set_defaults, 2036 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2037 }; 2038 2039 struct utmi_clk_param { 2040 /* Oscillator Frequency in KHz */ 2041 u32 osc_frequency; 2042 /* UTMIP PLL Enable Delay Count */ 2043 u8 enable_delay_count; 2044 /* UTMIP PLL Stable count */ 2045 u16 stable_count; 2046 /* UTMIP PLL Active delay count */ 2047 u8 active_delay_count; 2048 /* UTMIP PLL Xtal frequency count */ 2049 u16 xtal_freq_count; 2050 }; 2051 2052 static const struct utmi_clk_param utmi_parameters[] = { 2053 { 2054 .osc_frequency = 38400000, .enable_delay_count = 0x0, 2055 .stable_count = 0x0, .active_delay_count = 0x6, 2056 .xtal_freq_count = 0x80 2057 }, { 2058 .osc_frequency = 13000000, .enable_delay_count = 0x02, 2059 .stable_count = 0x33, .active_delay_count = 0x05, 2060 .xtal_freq_count = 0x7f 2061 }, { 2062 .osc_frequency = 19200000, .enable_delay_count = 0x03, 2063 .stable_count = 0x4b, .active_delay_count = 0x06, 2064 .xtal_freq_count = 0xbb 2065 }, { 2066 .osc_frequency = 12000000, .enable_delay_count = 0x02, 2067 .stable_count = 0x2f, .active_delay_count = 0x08, 2068 .xtal_freq_count = 0x76 2069 }, { 2070 .osc_frequency = 26000000, .enable_delay_count = 0x04, 2071 .stable_count = 0x66, .active_delay_count = 0x09, 2072 .xtal_freq_count = 0xfe 2073 }, { 2074 .osc_frequency = 16800000, .enable_delay_count = 0x03, 2075 .stable_count = 0x41, .active_delay_count = 0x0a, 2076 .xtal_freq_count = 0xa4 2077 }, 2078 }; 2079 2080 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { 2081 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true }, 2082 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, 2083 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, 2084 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, 2085 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true }, 2086 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, 2087 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, 2088 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, 2089 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true }, 2090 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, 2091 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, 2092 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, 2093 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true }, 2094 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true }, 2095 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true }, 2096 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true }, 2097 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true }, 2098 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true }, 2099 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true }, 2100 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true }, 2101 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true }, 2102 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true }, 2103 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true }, 2104 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true }, 2105 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true }, 2106 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true }, 2107 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true }, 2108 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true }, 2109 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true }, 2110 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true }, 2111 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true }, 2112 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true }, 2113 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true }, 2114 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true }, 2115 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true }, 2116 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true }, 2117 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true }, 2118 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true }, 2119 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true }, 2120 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true }, 2121 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true }, 2122 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true }, 2123 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true }, 2124 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true }, 2125 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true }, 2126 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true }, 2127 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true }, 2128 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true }, 2129 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true }, 2130 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true }, 2131 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true }, 2132 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true }, 2133 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true }, 2134 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true }, 2135 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true }, 2136 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true }, 2137 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true }, 2138 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true }, 2139 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true }, 2140 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true }, 2141 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true }, 2142 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true }, 2143 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true }, 2144 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true }, 2145 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true }, 2146 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true }, 2147 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true }, 2148 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true }, 2149 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true }, 2150 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true }, 2151 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true }, 2152 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true }, 2153 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true }, 2154 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true }, 2155 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true }, 2156 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true }, 2157 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, }, 2158 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true }, 2159 [tegra_clk_vfir] = { .dt_id = TEGRA210_CLK_VFIR, .present = true }, 2160 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true }, 2161 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true }, 2162 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true }, 2163 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true }, 2164 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true }, 2165 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true }, 2166 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true }, 2167 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true }, 2168 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true }, 2169 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true }, 2170 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true }, 2171 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true }, 2172 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true }, 2173 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true }, 2174 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true }, 2175 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true }, 2176 [tegra_clk_pll_m_out1] = { .dt_id = TEGRA210_CLK_PLL_M_OUT1, .present = true }, 2177 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true }, 2178 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true }, 2179 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true }, 2180 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true }, 2181 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true }, 2182 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true }, 2183 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true }, 2184 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true }, 2185 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true }, 2186 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true }, 2187 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true }, 2188 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true }, 2189 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true }, 2190 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true }, 2191 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true }, 2192 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true }, 2193 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true }, 2194 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true }, 2195 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true }, 2196 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true }, 2197 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true }, 2198 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true }, 2199 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true }, 2200 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true }, 2201 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true }, 2202 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true }, 2203 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true }, 2204 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true }, 2205 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true }, 2206 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true }, 2207 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true }, 2208 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true }, 2209 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true }, 2210 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true }, 2211 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true }, 2212 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true }, 2213 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true }, 2214 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true }, 2215 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true }, 2216 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true }, 2217 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true }, 2218 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true }, 2219 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true }, 2220 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true }, 2221 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true }, 2222 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true }, 2223 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true }, 2224 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true }, 2225 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true }, 2226 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true }, 2227 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true }, 2228 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true }, 2229 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true }, 2230 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true }, 2231 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true }, 2232 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true }, 2233 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true }, 2234 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true }, 2235 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true }, 2236 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true }, 2237 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true }, 2238 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true }, 2239 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true }, 2240 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true }, 2241 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true }, 2242 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true }, 2243 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true }, 2244 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true }, 2245 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true }, 2246 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true }, 2247 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true }, 2248 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true }, 2249 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true }, 2250 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true }, 2251 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true }, 2252 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true }, 2253 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true }, 2254 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true }, 2255 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true }, 2256 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true }, 2257 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true }, 2258 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true }, 2259 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true }, 2260 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true }, 2261 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true }, 2262 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true }, 2263 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true }, 2264 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true }, 2265 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true }, 2266 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true }, 2267 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true }, 2268 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true }, 2269 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true }, 2270 }; 2271 2272 static struct tegra_devclk devclks[] __initdata = { 2273 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M }, 2274 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF }, 2275 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K }, 2276 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 }, 2277 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 }, 2278 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C }, 2279 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 }, 2280 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 }, 2281 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 }, 2282 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P }, 2283 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 }, 2284 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 }, 2285 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 }, 2286 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 }, 2287 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M }, 2288 { .con_id = "pll_m_out1", .dt_id = TEGRA210_CLK_PLL_M_OUT1 }, 2289 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X }, 2290 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 }, 2291 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U }, 2292 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT }, 2293 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 }, 2294 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 }, 2295 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M }, 2296 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M }, 2297 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M }, 2298 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D }, 2299 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 }, 2300 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 }, 2301 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 }, 2302 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A }, 2303 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 }, 2304 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO }, 2305 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT }, 2306 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC }, 2307 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC }, 2308 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC }, 2309 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC }, 2310 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC }, 2311 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC }, 2312 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC }, 2313 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 }, 2314 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 }, 2315 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 }, 2316 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 }, 2317 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 }, 2318 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF }, 2319 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X }, 2320 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 }, 2321 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 }, 2322 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 }, 2323 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK }, 2324 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G }, 2325 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP }, 2326 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK }, 2327 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK }, 2328 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK }, 2329 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE }, 2330 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC }, 2331 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER }, 2332 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 }, 2333 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 }, 2334 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 }, 2335 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 }, 2336 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX }, 2337 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 }, 2338 }; 2339 2340 static struct tegra_audio_clk_info tegra210_audio_plls[] = { 2341 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" }, 2342 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" }, 2343 }; 2344 2345 static struct clk **clks; 2346 2347 static void tegra210_utmi_param_configure(void __iomem *clk_base) 2348 { 2349 u32 reg; 2350 int i; 2351 2352 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 2353 if (osc_freq == utmi_parameters[i].osc_frequency) 2354 break; 2355 } 2356 2357 if (i >= ARRAY_SIZE(utmi_parameters)) { 2358 pr_err("%s: Unexpected oscillator freq %lu\n", __func__, 2359 osc_freq); 2360 return; 2361 } 2362 2363 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2364 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE | 2365 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT | 2366 PLLU_HW_PWRDN_CFG0_USE_LOCKDET; 2367 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL | 2368 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL); 2369 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2370 2371 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2372 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE; 2373 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2374 udelay(1); 2375 2376 reg = readl_relaxed(clk_base + PLLU_BASE); 2377 reg &= ~PLLU_BASE_CLKENABLE_USB; 2378 writel_relaxed(reg, clk_base + PLLU_BASE); 2379 2380 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2381 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2382 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2383 2384 udelay(10); 2385 2386 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2387 2388 /* Program UTMIP PLL stable and active counts */ 2389 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ 2390 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 2391 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count); 2392 2393 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 2394 2395 reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i]. 2396 active_delay_count); 2397 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2398 2399 /* Program UTMIP PLL delay and oscillator frequency counts */ 2400 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2401 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 2402 2403 reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i]. 2404 enable_delay_count); 2405 2406 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 2407 reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i]. 2408 xtal_freq_count); 2409 2410 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 2411 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2412 2413 /* Remove power downs from UTMIP PLL control bits */ 2414 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2415 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2416 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2417 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2418 udelay(1); 2419 2420 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */ 2421 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2422 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP; 2423 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP; 2424 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP; 2425 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 2426 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 2427 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN; 2428 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2429 2430 /* Setup HW control of UTMIPLL */ 2431 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2432 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2433 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2434 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2435 2436 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2437 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET; 2438 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL; 2439 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2440 2441 udelay(1); 2442 2443 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2444 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY; 2445 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2446 2447 udelay(1); 2448 2449 /* Enable HW control UTMIPLL */ 2450 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2451 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE; 2452 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2453 } 2454 2455 static __init void tegra210_periph_clk_init(void __iomem *clk_base, 2456 void __iomem *pmc_base) 2457 { 2458 struct clk *clk; 2459 2460 /* xusb_ss_div2 */ 2461 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, 2462 1, 2); 2463 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk; 2464 2465 /* pll_d_dsi_out */ 2466 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, 2467 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); 2468 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk; 2469 2470 /* dsia */ 2471 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0, 2472 clk_base, 0, 48, 2473 periph_clk_enb_refcnt); 2474 clks[TEGRA210_CLK_DSIA] = clk; 2475 2476 /* dsib */ 2477 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0, 2478 clk_base, 0, 82, 2479 periph_clk_enb_refcnt); 2480 clks[TEGRA210_CLK_DSIB] = clk; 2481 2482 /* emc mux */ 2483 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, 2484 ARRAY_SIZE(mux_pllmcp_clkm), 0, 2485 clk_base + CLK_SOURCE_EMC, 2486 29, 3, 0, &emc_lock); 2487 2488 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, 2489 &emc_lock); 2490 clks[TEGRA210_CLK_MC] = clk; 2491 2492 /* cml0 */ 2493 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 2494 0, 0, &pll_e_lock); 2495 clk_register_clkdev(clk, "cml0", NULL); 2496 clks[TEGRA210_CLK_CML0] = clk; 2497 2498 /* cml1 */ 2499 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 2500 1, 0, &pll_e_lock); 2501 clk_register_clkdev(clk, "cml1", NULL); 2502 clks[TEGRA210_CLK_CML1] = clk; 2503 2504 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); 2505 } 2506 2507 static void __init tegra210_pll_init(void __iomem *clk_base, 2508 void __iomem *pmc) 2509 { 2510 u32 val; 2511 struct clk *clk; 2512 2513 /* PLLC */ 2514 clk = tegra_clk_register_pllxc_tegra210("pll_c", "pll_ref", clk_base, 2515 pmc, 0, &pll_c_params, NULL); 2516 if (!WARN_ON(IS_ERR(clk))) 2517 clk_register_clkdev(clk, "pll_c", NULL); 2518 clks[TEGRA210_CLK_PLL_C] = clk; 2519 2520 /* PLLC_OUT1 */ 2521 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 2522 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 2523 8, 8, 1, NULL); 2524 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 2525 clk_base + PLLC_OUT, 1, 0, 2526 CLK_SET_RATE_PARENT, 0, NULL); 2527 clk_register_clkdev(clk, "pll_c_out1", NULL); 2528 clks[TEGRA210_CLK_PLL_C_OUT1] = clk; 2529 2530 /* PLLC_UD */ 2531 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c", 2532 CLK_SET_RATE_PARENT, 1, 1); 2533 clk_register_clkdev(clk, "pll_c_ud", NULL); 2534 clks[TEGRA210_CLK_PLL_C_UD] = clk; 2535 2536 /* PLLC2 */ 2537 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base, 2538 pmc, 0, &pll_c2_params, NULL); 2539 clk_register_clkdev(clk, "pll_c2", NULL); 2540 clks[TEGRA210_CLK_PLL_C2] = clk; 2541 2542 /* PLLC3 */ 2543 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base, 2544 pmc, 0, &pll_c3_params, NULL); 2545 clk_register_clkdev(clk, "pll_c3", NULL); 2546 clks[TEGRA210_CLK_PLL_C3] = clk; 2547 2548 /* PLLM */ 2549 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc, 2550 CLK_SET_RATE_GATE, &pll_m_params, NULL); 2551 clk_register_clkdev(clk, "pll_m", NULL); 2552 clks[TEGRA210_CLK_PLL_M] = clk; 2553 2554 /* PLLMB */ 2555 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc, 2556 CLK_SET_RATE_GATE, &pll_mb_params, NULL); 2557 clk_register_clkdev(clk, "pll_mb", NULL); 2558 clks[TEGRA210_CLK_PLL_MB] = clk; 2559 2560 clk_register_clkdev(clk, "pll_m_out1", NULL); 2561 clks[TEGRA210_CLK_PLL_M_OUT1] = clk; 2562 2563 /* PLLM_UD */ 2564 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", 2565 CLK_SET_RATE_PARENT, 1, 1); 2566 clk_register_clkdev(clk, "pll_m_ud", NULL); 2567 clks[TEGRA210_CLK_PLL_M_UD] = clk; 2568 2569 /* PLLU_VCO */ 2570 val = readl(clk_base + pll_u_vco_params.base_reg); 2571 val &= ~PLLU_BASE_OVERRIDE; /* disable PLLU_OVERRIDE */ 2572 writel(val, clk_base + pll_u_vco_params.base_reg); 2573 2574 clk = tegra_clk_register_pllre("pll_u_vco", "pll_ref", clk_base, pmc, 2575 0, &pll_u_vco_params, &pll_u_lock, pll_ref_freq); 2576 clk_register_clkdev(clk, "pll_u_vco", NULL); 2577 clks[TEGRA210_CLK_PLL_U] = clk; 2578 2579 /* PLLU_OUT */ 2580 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0, 2581 clk_base + PLLU_BASE, 16, 4, 0, 2582 pll_vco_post_div_table, NULL); 2583 clk_register_clkdev(clk, "pll_u_out", NULL); 2584 clks[TEGRA210_CLK_PLL_U_OUT] = clk; 2585 2586 /* PLLU_OUT1 */ 2587 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out", 2588 clk_base + PLLU_OUTA, 0, 2589 TEGRA_DIVIDER_ROUND_UP, 2590 8, 8, 1, &pll_u_lock); 2591 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div", 2592 clk_base + PLLU_OUTA, 1, 0, 2593 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 2594 clk_register_clkdev(clk, "pll_u_out1", NULL); 2595 clks[TEGRA210_CLK_PLL_U_OUT1] = clk; 2596 2597 /* PLLU_OUT2 */ 2598 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out", 2599 clk_base + PLLU_OUTA, 0, 2600 TEGRA_DIVIDER_ROUND_UP, 2601 24, 8, 1, &pll_u_lock); 2602 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div", 2603 clk_base + PLLU_OUTA, 17, 16, 2604 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 2605 clk_register_clkdev(clk, "pll_u_out2", NULL); 2606 clks[TEGRA210_CLK_PLL_U_OUT2] = clk; 2607 2608 tegra210_utmi_param_configure(clk_base); 2609 2610 /* PLLU_480M */ 2611 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco", 2612 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 2613 22, 0, &pll_u_lock); 2614 clk_register_clkdev(clk, "pll_u_480M", NULL); 2615 clks[TEGRA210_CLK_PLL_U_480M] = clk; 2616 2617 /* PLLU_60M */ 2618 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2", 2619 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 2620 23, 0, NULL); 2621 clk_register_clkdev(clk, "pll_u_60M", NULL); 2622 clks[TEGRA210_CLK_PLL_U_60M] = clk; 2623 2624 /* PLLU_48M */ 2625 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1", 2626 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 2627 25, 0, NULL); 2628 clk_register_clkdev(clk, "pll_u_48M", NULL); 2629 clks[TEGRA210_CLK_PLL_U_48M] = clk; 2630 2631 /* PLLD */ 2632 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, 2633 &pll_d_params, &pll_d_lock); 2634 clk_register_clkdev(clk, "pll_d", NULL); 2635 clks[TEGRA210_CLK_PLL_D] = clk; 2636 2637 /* PLLD_OUT0 */ 2638 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 2639 CLK_SET_RATE_PARENT, 1, 2); 2640 clk_register_clkdev(clk, "pll_d_out0", NULL); 2641 clks[TEGRA210_CLK_PLL_D_OUT0] = clk; 2642 2643 /* PLLRE */ 2644 clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc, 2645 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq); 2646 clk_register_clkdev(clk, "pll_re_vco", NULL); 2647 clks[TEGRA210_CLK_PLL_RE_VCO] = clk; 2648 2649 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, 2650 clk_base + PLLRE_BASE, 16, 5, 0, 2651 pll_vco_post_div_table, &pll_re_lock); 2652 clk_register_clkdev(clk, "pll_re_out", NULL); 2653 clks[TEGRA210_CLK_PLL_RE_OUT] = clk; 2654 2655 /* PLLE */ 2656 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref", 2657 clk_base, 0, &pll_e_params, NULL); 2658 clk_register_clkdev(clk, "pll_e", NULL); 2659 clks[TEGRA210_CLK_PLL_E] = clk; 2660 2661 /* PLLC4 */ 2662 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc, 2663 0, &pll_c4_vco_params, NULL, pll_ref_freq); 2664 clk_register_clkdev(clk, "pll_c4_vco", NULL); 2665 clks[TEGRA210_CLK_PLL_C4] = clk; 2666 2667 /* PLLC4_OUT0 */ 2668 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0, 2669 clk_base + PLLC4_BASE, 19, 4, 0, 2670 pll_vco_post_div_table, NULL); 2671 clk_register_clkdev(clk, "pll_c4_out0", NULL); 2672 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk; 2673 2674 /* PLLC4_OUT1 */ 2675 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco", 2676 CLK_SET_RATE_PARENT, 1, 3); 2677 clk_register_clkdev(clk, "pll_c4_out1", NULL); 2678 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk; 2679 2680 /* PLLC4_OUT2 */ 2681 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco", 2682 CLK_SET_RATE_PARENT, 1, 5); 2683 clk_register_clkdev(clk, "pll_c4_out2", NULL); 2684 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk; 2685 2686 /* PLLC4_OUT3 */ 2687 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0", 2688 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 2689 8, 8, 1, NULL); 2690 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div", 2691 clk_base + PLLC4_OUT, 1, 0, 2692 CLK_SET_RATE_PARENT, 0, NULL); 2693 clk_register_clkdev(clk, "pll_c4_out3", NULL); 2694 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk; 2695 2696 /* PLLDP */ 2697 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base, 2698 0, &pll_dp_params, NULL); 2699 clk_register_clkdev(clk, "pll_dp", NULL); 2700 clks[TEGRA210_CLK_PLL_DP] = clk; 2701 2702 /* PLLD2 */ 2703 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base, 2704 0, &pll_d2_params, NULL); 2705 clk_register_clkdev(clk, "pll_d2", NULL); 2706 clks[TEGRA210_CLK_PLL_D2] = clk; 2707 2708 /* PLLD2_OUT0 */ 2709 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 2710 CLK_SET_RATE_PARENT, 1, 1); 2711 clk_register_clkdev(clk, "pll_d2_out0", NULL); 2712 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk; 2713 2714 /* PLLP_OUT2 */ 2715 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p", 2716 CLK_SET_RATE_PARENT, 1, 2); 2717 clk_register_clkdev(clk, "pll_p_out2", NULL); 2718 clks[TEGRA210_CLK_PLL_P_OUT2] = clk; 2719 2720 } 2721 2722 /* Tegra210 CPU clock and reset control functions */ 2723 static void tegra210_wait_cpu_in_reset(u32 cpu) 2724 { 2725 unsigned int reg; 2726 2727 do { 2728 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 2729 cpu_relax(); 2730 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 2731 } 2732 2733 static void tegra210_disable_cpu_clock(u32 cpu) 2734 { 2735 /* flow controller would take care in the power sequence. */ 2736 } 2737 2738 #ifdef CONFIG_PM_SLEEP 2739 static void tegra210_cpu_clock_suspend(void) 2740 { 2741 /* switch coresite to clk_m, save off original source */ 2742 tegra210_cpu_clk_sctx.clk_csite_src = 2743 readl(clk_base + CLK_SOURCE_CSITE); 2744 writel(3 << 30, clk_base + CLK_SOURCE_CSITE); 2745 } 2746 2747 static void tegra210_cpu_clock_resume(void) 2748 { 2749 writel(tegra210_cpu_clk_sctx.clk_csite_src, 2750 clk_base + CLK_SOURCE_CSITE); 2751 } 2752 #endif 2753 2754 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = { 2755 .wait_for_reset = tegra210_wait_cpu_in_reset, 2756 .disable_clock = tegra210_disable_cpu_clock, 2757 #ifdef CONFIG_PM_SLEEP 2758 .suspend = tegra210_cpu_clock_suspend, 2759 .resume = tegra210_cpu_clock_resume, 2760 #endif 2761 }; 2762 2763 static const struct of_device_id pmc_match[] __initconst = { 2764 { .compatible = "nvidia,tegra210-pmc" }, 2765 { }, 2766 }; 2767 2768 static struct tegra_clk_init_table init_table[] __initdata = { 2769 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 }, 2770 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 }, 2771 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 }, 2772 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 }, 2773 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 }, 2774 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 }, 2775 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 }, 2776 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 }, 2777 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2778 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2779 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2780 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2781 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2782 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 2783 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 }, 2784 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 }, 2785 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 }, 2786 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 }, 2787 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, 2788 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, 2789 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 }, 2790 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2791 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, 2792 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, 2793 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 2794 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 2795 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 }, 2796 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 2797 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 2798 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 }, 2799 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 }, 2800 { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2801 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2802 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2803 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 }, 2804 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 }, 2805 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 }, 2806 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 }, 2807 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 }, 2808 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 }, 2809 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 }, 2810 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 }, 2811 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 }, 2812 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, 2813 /* This MUST be the last entry. */ 2814 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 }, 2815 }; 2816 2817 /** 2818 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs 2819 * 2820 * Program an initial clock rate and enable or disable clocks needed 2821 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be 2822 * called by assigning a pointer to it to tegra_clk_apply_init_table - 2823 * this will be called as an arch_initcall. No return value. 2824 */ 2825 static void __init tegra210_clock_apply_init_table(void) 2826 { 2827 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX); 2828 } 2829 2830 /** 2831 * tegra210_clock_init - Tegra210-specific clock initialization 2832 * @np: struct device_node * of the DT node for the SoC CAR IP block 2833 * 2834 * Register most SoC clocks for the Tegra210 system-on-chip. Intended 2835 * to be called by the OF init code when a DT node with the 2836 * "nvidia,tegra210-car" string is encountered, and declared with 2837 * CLK_OF_DECLARE. No return value. 2838 */ 2839 static void __init tegra210_clock_init(struct device_node *np) 2840 { 2841 struct device_node *node; 2842 u32 value, clk_m_div; 2843 2844 clk_base = of_iomap(np, 0); 2845 if (!clk_base) { 2846 pr_err("ioremap tegra210 CAR failed\n"); 2847 return; 2848 } 2849 2850 node = of_find_matching_node(NULL, pmc_match); 2851 if (!node) { 2852 pr_err("Failed to find pmc node\n"); 2853 WARN_ON(1); 2854 return; 2855 } 2856 2857 pmc_base = of_iomap(node, 0); 2858 if (!pmc_base) { 2859 pr_err("Can't map pmc registers\n"); 2860 WARN_ON(1); 2861 return; 2862 } 2863 2864 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX, 2865 TEGRA210_CAR_BANK_COUNT); 2866 if (!clks) 2867 return; 2868 2869 value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT; 2870 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1; 2871 2872 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq, 2873 ARRAY_SIZE(tegra210_input_freq), clk_m_div, 2874 &osc_freq, &pll_ref_freq) < 0) 2875 return; 2876 2877 tegra_fixed_clk_init(tegra210_clks); 2878 tegra210_pll_init(clk_base, pmc_base); 2879 tegra210_periph_clk_init(clk_base, pmc_base); 2880 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, 2881 tegra210_audio_plls, 2882 ARRAY_SIZE(tegra210_audio_plls)); 2883 tegra_pmc_clk_init(pmc_base, tegra210_clks); 2884 2885 /* For Tegra210, PLLD is the only source for DSIA & DSIB */ 2886 value = clk_readl(clk_base + PLLD_BASE); 2887 value &= ~BIT(25); 2888 clk_writel(value, clk_base + PLLD_BASE); 2889 2890 tegra_clk_apply_init_table = tegra210_clock_apply_init_table; 2891 2892 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks, 2893 &pll_x_params); 2894 tegra_add_of_provider(np); 2895 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 2896 2897 tegra_cpu_car_ops = &tegra210_cpu_car_ops; 2898 } 2899 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init); 2900