1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2012-2020 NVIDIA CORPORATION. All rights reserved. 4 */ 5 6 #include <linux/io.h> 7 #include <linux/clk.h> 8 #include <linux/clk-provider.h> 9 #include <linux/clkdev.h> 10 #include <linux/of.h> 11 #include <linux/of_address.h> 12 #include <linux/syscore_ops.h> 13 #include <linux/delay.h> 14 #include <linux/export.h> 15 #include <linux/mutex.h> 16 #include <linux/clk/tegra.h> 17 #include <dt-bindings/clock/tegra210-car.h> 18 #include <dt-bindings/reset/tegra210-car.h> 19 #include <linux/sizes.h> 20 #include <soc/tegra/pmc.h> 21 22 #include "clk.h" 23 #include "clk-id.h" 24 25 /* 26 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register 27 * banks present in the Tegra210 CAR IP block. The banks are 28 * identified by single letters, e.g.: L, H, U, V, W, X, Y. See 29 * periph_regs[] in drivers/clk/tegra/clk.c 30 */ 31 #define TEGRA210_CAR_BANK_COUNT 7 32 33 #define CLK_SOURCE_CSITE 0x1d4 34 #define CLK_SOURCE_EMC 0x19c 35 #define CLK_SOURCE_SOR1 0x410 36 #define CLK_SOURCE_SOR0 0x414 37 #define CLK_SOURCE_LA 0x1f8 38 #define CLK_SOURCE_SDMMC2 0x154 39 #define CLK_SOURCE_SDMMC4 0x164 40 #define CLK_SOURCE_EMC_DLL 0x664 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 PLLRE_OUT1 0x4cc 96 #define PLLDP_BASE 0x590 97 #define PLLDP_MISC 0x594 98 99 #define PLLC4_BASE 0x5a4 100 #define PLLC4_MISC0 0x5a8 101 #define PLLC4_OUT 0x5e4 102 #define PLLMB_BASE 0x5e8 103 #define PLLMB_MISC1 0x5ec 104 #define PLLA1_BASE 0x6a4 105 #define PLLA1_MISC0 0x6a8 106 #define PLLA1_MISC1 0x6ac 107 #define PLLA1_MISC2 0x6b0 108 #define PLLA1_MISC3 0x6b4 109 110 #define PLLU_IDDQ_BIT 31 111 #define PLLCX_IDDQ_BIT 27 112 #define PLLRE_IDDQ_BIT 24 113 #define PLLA_IDDQ_BIT 25 114 #define PLLD_IDDQ_BIT 20 115 #define PLLSS_IDDQ_BIT 18 116 #define PLLM_IDDQ_BIT 5 117 #define PLLMB_IDDQ_BIT 17 118 #define PLLXP_IDDQ_BIT 3 119 120 #define PLLCX_RESET_BIT 30 121 122 #define PLL_BASE_LOCK BIT(27) 123 #define PLLCX_BASE_LOCK BIT(26) 124 #define PLLE_MISC_LOCK BIT(11) 125 #define PLLRE_MISC_LOCK BIT(27) 126 127 #define PLL_MISC_LOCK_ENABLE 18 128 #define PLLC_MISC_LOCK_ENABLE 24 129 #define PLLDU_MISC_LOCK_ENABLE 22 130 #define PLLU_MISC_LOCK_ENABLE 29 131 #define PLLE_MISC_LOCK_ENABLE 9 132 #define PLLRE_MISC_LOCK_ENABLE 30 133 #define PLLSS_MISC_LOCK_ENABLE 30 134 #define PLLP_MISC_LOCK_ENABLE 18 135 #define PLLM_MISC_LOCK_ENABLE 4 136 #define PLLMB_MISC_LOCK_ENABLE 16 137 #define PLLA_MISC_LOCK_ENABLE 28 138 #define PLLU_MISC_LOCK_ENABLE 29 139 #define PLLD_MISC_LOCK_ENABLE 18 140 141 #define PLLA_SDM_DIN_MASK 0xffff 142 #define PLLA_SDM_EN_MASK BIT(26) 143 144 #define PLLD_SDM_EN_MASK BIT(16) 145 146 #define PLLD2_SDM_EN_MASK BIT(31) 147 #define PLLD2_SSC_EN_MASK 0 148 149 #define PLLDP_SS_CFG 0x598 150 #define PLLDP_SDM_EN_MASK BIT(31) 151 #define PLLDP_SSC_EN_MASK BIT(30) 152 #define PLLDP_SS_CTRL1 0x59c 153 #define PLLDP_SS_CTRL2 0x5a0 154 155 #define PMC_PLLM_WB0_OVERRIDE 0x1dc 156 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0 157 158 #define UTMIP_PLL_CFG2 0x488 159 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6) 160 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) 161 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) 162 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1) 163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) 164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3) 165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) 166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5) 167 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24) 168 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25) 169 170 #define UTMIP_PLL_CFG1 0x484 171 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) 172 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) 173 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17) 174 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) 175 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15) 176 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) 177 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) 178 179 #define SATA_PLL_CFG0 0x490 180 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 181 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2) 182 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4) 183 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5) 184 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6) 185 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7) 186 187 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 188 #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24) 189 190 #define XUSBIO_PLL_CFG0 0x51c 191 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 192 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2) 193 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6) 194 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 195 #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24) 196 197 #define UTMIPLL_HW_PWRDN_CFG0 0x52c 198 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31) 199 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25) 200 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 201 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7) 202 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 203 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5) 204 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4) 205 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 206 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1) 207 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0) 208 209 #define PLLU_HW_PWRDN_CFG0 0x530 210 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28) 211 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 212 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7) 213 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 214 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 215 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0) 216 217 #define XUSB_PLL_CFG0 0x534 218 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff 219 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14) 220 221 #define SPARE_REG0 0x55c 222 #define CLK_M_DIVISOR_SHIFT 2 223 #define CLK_M_DIVISOR_MASK 0x3 224 225 #define CLK_MASK_ARM 0x44 226 #define MISC_CLK_ENB 0x48 227 228 #define RST_DFLL_DVCO 0x2f4 229 #define DVFS_DFLL_RESET_SHIFT 0 230 231 #define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET 0x284 232 #define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR 0x288 233 #define CLK_OUT_ENB_X_CLK_ENB_EMC_DLL BIT(14) 234 235 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8 236 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac 237 #define CPU_SOFTRST_CTRL 0x380 238 239 #define LVL2_CLK_GATE_OVRA 0xf8 240 #define LVL2_CLK_GATE_OVRC 0x3a0 241 #define LVL2_CLK_GATE_OVRD 0x3a4 242 #define LVL2_CLK_GATE_OVRE 0x554 243 244 /* I2S registers to handle during APE MBIST WAR */ 245 #define TEGRA210_I2S_BASE 0x1000 246 #define TEGRA210_I2S_SIZE 0x100 247 #define TEGRA210_I2S_CTRLS 5 248 #define TEGRA210_I2S_CG 0x88 249 #define TEGRA210_I2S_CTRL 0xa0 250 251 /* DISPA registers to handle during MBIST WAR */ 252 #define DC_CMD_DISPLAY_COMMAND 0xc8 253 #define DC_COM_DSC_TOP_CTL 0xcf8 254 255 /* VIC register to handle during MBIST WAR */ 256 #define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c 257 258 /* APE, DISPA and VIC base addesses needed for MBIST WAR */ 259 #define TEGRA210_AHUB_BASE 0x702d0000 260 #define TEGRA210_DISPA_BASE 0x54200000 261 #define TEGRA210_VIC_BASE 0x54340000 262 263 /* 264 * SDM fractional divisor is 16-bit 2's complement signed number within 265 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned 266 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to 267 * indicate that SDM is disabled. 268 * 269 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13 270 */ 271 #define PLL_SDM_COEFF BIT(13) 272 #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU)) 273 #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat) 274 /* This macro returns ndiv effective scaled to SDM range */ 275 #define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \ 276 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0)) 277 278 /* Tegra CPU clock and reset control regs */ 279 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 280 281 #ifdef CONFIG_PM_SLEEP 282 static struct cpu_clk_suspend_context { 283 u32 clk_csite_src; 284 } tegra210_cpu_clk_sctx; 285 #endif 286 287 struct tegra210_domain_mbist_war { 288 void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist); 289 const u32 lvl2_offset; 290 const u32 lvl2_mask; 291 const unsigned int num_clks; 292 const unsigned int *clk_init_data; 293 struct clk_bulk_data *clks; 294 }; 295 296 static struct clk **clks; 297 298 static void __iomem *clk_base; 299 static void __iomem *pmc_base; 300 static void __iomem *ahub_base; 301 static void __iomem *dispa_base; 302 static void __iomem *vic_base; 303 304 static unsigned long osc_freq; 305 static unsigned long pll_ref_freq; 306 307 static DEFINE_SPINLOCK(pll_d_lock); 308 static DEFINE_SPINLOCK(pll_e_lock); 309 static DEFINE_SPINLOCK(pll_re_lock); 310 static DEFINE_SPINLOCK(pll_u_lock); 311 static DEFINE_SPINLOCK(sor0_lock); 312 static DEFINE_SPINLOCK(sor1_lock); 313 static DEFINE_SPINLOCK(emc_lock); 314 static DEFINE_MUTEX(lvl2_ovr_lock); 315 316 /* possible OSC frequencies in Hz */ 317 static unsigned long tegra210_input_freq[] = { 318 [5] = 38400000, 319 [8] = 12000000, 320 }; 321 322 #define PLL_ENABLE (1 << 30) 323 324 #define PLLCX_MISC1_IDDQ (1 << 27) 325 #define PLLCX_MISC0_RESET (1 << 30) 326 327 #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000 328 #define PLLCX_MISC0_WRITE_MASK 0x400ffffb 329 #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000 330 #define PLLCX_MISC1_WRITE_MASK 0x08003cff 331 #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05 332 #define PLLCX_MISC2_WRITE_MASK 0xffffff17 333 #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4 334 #define PLLCX_MISC3_WRITE_MASK 0x00ffffff 335 336 /* PLLA */ 337 #define PLLA_BASE_IDDQ (1 << 25) 338 #define PLLA_BASE_LOCK (1 << 27) 339 340 #define PLLA_MISC0_LOCK_ENABLE (1 << 28) 341 #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27) 342 343 #define PLLA_MISC2_EN_SDM (1 << 26) 344 #define PLLA_MISC2_EN_DYNRAMP (1 << 25) 345 346 #define PLLA_MISC0_DEFAULT_VALUE 0x12000020 347 #define PLLA_MISC0_WRITE_MASK 0x7fffffff 348 #define PLLA_MISC2_DEFAULT_VALUE 0x0 349 #define PLLA_MISC2_WRITE_MASK 0x06ffffff 350 351 /* PLLD */ 352 #define PLLD_BASE_CSI_CLKSOURCE (1 << 23) 353 354 #define PLLD_MISC0_EN_SDM (1 << 16) 355 #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17) 356 #define PLLD_MISC0_LOCK_ENABLE (1 << 18) 357 #define PLLD_MISC0_IDDQ (1 << 20) 358 #define PLLD_MISC0_DSI_CLKENABLE (1 << 21) 359 360 #define PLLD_MISC0_DEFAULT_VALUE 0x00140000 361 #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff 362 #define PLLD_MISC1_DEFAULT_VALUE 0x20 363 #define PLLD_MISC1_WRITE_MASK 0x00ffffff 364 365 /* PLLD2 and PLLDP and PLLC4 */ 366 #define PLLDSS_BASE_LOCK (1 << 27) 367 #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24) 368 #define PLLDSS_BASE_IDDQ (1 << 18) 369 #define PLLDSS_BASE_REF_SEL_SHIFT 25 370 #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT) 371 372 #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30) 373 374 #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31) 375 #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30) 376 377 #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020 378 #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000 379 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0 380 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0 381 382 #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020 383 #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000 384 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da 385 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400 386 387 #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff 388 #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000 389 #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff 390 #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff 391 392 #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000 393 394 /* PLLRE */ 395 #define PLLRE_MISC0_LOCK_ENABLE (1 << 30) 396 #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29) 397 #define PLLRE_MISC0_LOCK (1 << 27) 398 #define PLLRE_MISC0_IDDQ (1 << 24) 399 400 #define PLLRE_BASE_DEFAULT_VALUE 0x0 401 #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000 402 403 #define PLLRE_BASE_DEFAULT_MASK 0x1c000000 404 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff 405 406 /* PLLE */ 407 #define PLLE_MISC_IDDQ_SW_CTRL (1 << 14) 408 #define PLLE_AUX_USE_LOCKDET (1 << 3) 409 #define PLLE_AUX_SS_SEQ_INCLUDE (1 << 31) 410 #define PLLE_AUX_ENABLE_SWCTL (1 << 4) 411 #define PLLE_AUX_SS_SWCTL (1 << 6) 412 #define PLLE_AUX_SEQ_ENABLE (1 << 24) 413 414 /* PLLX */ 415 #define PLLX_USE_DYN_RAMP 1 416 #define PLLX_BASE_LOCK (1 << 27) 417 418 #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28) 419 #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18) 420 421 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24 422 #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT) 423 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16 424 #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT) 425 #define PLLX_MISC2_NDIV_NEW_SHIFT 8 426 #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT) 427 #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4) 428 #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2) 429 #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0) 430 431 #define PLLX_MISC3_IDDQ (0x1 << 3) 432 433 #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE 434 #define PLLX_MISC0_WRITE_MASK 0x10c40000 435 #define PLLX_MISC1_DEFAULT_VALUE 0x20 436 #define PLLX_MISC1_WRITE_MASK 0x00ffffff 437 #define PLLX_MISC2_DEFAULT_VALUE 0x0 438 #define PLLX_MISC2_WRITE_MASK 0xffffff11 439 #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ 440 #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f 441 #define PLLX_MISC4_DEFAULT_VALUE 0x0 442 #define PLLX_MISC4_WRITE_MASK 0x8000ffff 443 #define PLLX_MISC5_DEFAULT_VALUE 0x0 444 #define PLLX_MISC5_WRITE_MASK 0x0000ffff 445 446 #define PLLX_HW_CTRL_CFG 0x548 447 #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0) 448 449 /* PLLMB */ 450 #define PLLMB_BASE_LOCK (1 << 27) 451 452 #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18) 453 #define PLLMB_MISC1_IDDQ (1 << 17) 454 #define PLLMB_MISC1_LOCK_ENABLE (1 << 16) 455 456 #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000 457 #define PLLMB_MISC1_WRITE_MASK 0x0007ffff 458 459 /* PLLP */ 460 #define PLLP_BASE_OVERRIDE (1 << 28) 461 #define PLLP_BASE_LOCK (1 << 27) 462 463 #define PLLP_MISC0_LOCK_ENABLE (1 << 18) 464 #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17) 465 #define PLLP_MISC0_IDDQ (1 << 3) 466 467 #define PLLP_MISC1_HSIO_EN_SHIFT 29 468 #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT) 469 #define PLLP_MISC1_XUSB_EN_SHIFT 28 470 #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT) 471 472 #define PLLP_MISC0_DEFAULT_VALUE 0x00040008 473 #define PLLP_MISC1_DEFAULT_VALUE 0x0 474 475 #define PLLP_MISC0_WRITE_MASK 0xdc6000f 476 #define PLLP_MISC1_WRITE_MASK 0x70ffffff 477 478 /* PLLU */ 479 #define PLLU_BASE_LOCK (1 << 27) 480 #define PLLU_BASE_OVERRIDE (1 << 24) 481 #define PLLU_BASE_CLKENABLE_USB (1 << 21) 482 #define PLLU_BASE_CLKENABLE_HSIC (1 << 22) 483 #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23) 484 #define PLLU_BASE_CLKENABLE_48M (1 << 25) 485 #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\ 486 PLLU_BASE_CLKENABLE_HSIC |\ 487 PLLU_BASE_CLKENABLE_ICUSB |\ 488 PLLU_BASE_CLKENABLE_48M) 489 490 #define PLLU_MISC0_IDDQ (1 << 31) 491 #define PLLU_MISC0_LOCK_ENABLE (1 << 29) 492 #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0) 493 494 #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000 495 #define PLLU_MISC1_DEFAULT_VALUE 0x0 496 497 #define PLLU_MISC0_WRITE_MASK 0xbfffffff 498 #define PLLU_MISC1_WRITE_MASK 0x00000007 499 500 bool tegra210_plle_hw_sequence_is_enabled(void) 501 { 502 u32 value; 503 504 value = readl_relaxed(clk_base + PLLE_AUX); 505 if (value & PLLE_AUX_SEQ_ENABLE) 506 return true; 507 508 return false; 509 } 510 EXPORT_SYMBOL_GPL(tegra210_plle_hw_sequence_is_enabled); 511 512 int tegra210_plle_hw_sequence_start(void) 513 { 514 u32 value; 515 516 if (tegra210_plle_hw_sequence_is_enabled()) 517 return 0; 518 519 /* skip if PLLE is not enabled yet */ 520 value = readl_relaxed(clk_base + PLLE_MISC0); 521 if (!(value & PLLE_MISC_LOCK)) 522 return -EIO; 523 524 value &= ~PLLE_MISC_IDDQ_SW_CTRL; 525 writel_relaxed(value, clk_base + PLLE_MISC0); 526 527 value = readl_relaxed(clk_base + PLLE_AUX); 528 value |= (PLLE_AUX_USE_LOCKDET | PLLE_AUX_SS_SEQ_INCLUDE); 529 value &= ~(PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL); 530 writel_relaxed(value, clk_base + PLLE_AUX); 531 532 fence_udelay(1, clk_base); 533 534 value |= PLLE_AUX_SEQ_ENABLE; 535 writel_relaxed(value, clk_base + PLLE_AUX); 536 537 fence_udelay(1, clk_base); 538 539 return 0; 540 } 541 EXPORT_SYMBOL_GPL(tegra210_plle_hw_sequence_start); 542 543 void tegra210_xusb_pll_hw_control_enable(void) 544 { 545 u32 val; 546 547 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 548 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL | 549 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL); 550 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET | 551 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ; 552 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 553 } 554 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable); 555 556 void tegra210_xusb_pll_hw_sequence_start(void) 557 { 558 u32 val; 559 560 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 561 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE; 562 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 563 } 564 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start); 565 566 void tegra210_sata_pll_hw_control_enable(void) 567 { 568 u32 val; 569 570 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 571 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL; 572 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET | 573 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ; 574 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 575 } 576 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable); 577 578 void tegra210_sata_pll_hw_sequence_start(void) 579 { 580 u32 val; 581 582 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 583 val |= SATA_PLL_CFG0_SEQ_ENABLE; 584 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 585 } 586 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start); 587 588 void tegra210_set_sata_pll_seq_sw(bool state) 589 { 590 u32 val; 591 592 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 593 if (state) { 594 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 595 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 596 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 597 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 598 } else { 599 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 600 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 601 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 602 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 603 } 604 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 605 } 606 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw); 607 608 void tegra210_clk_emc_dll_enable(bool flag) 609 { 610 u32 offset = flag ? CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET : 611 CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR; 612 613 writel_relaxed(CLK_OUT_ENB_X_CLK_ENB_EMC_DLL, clk_base + offset); 614 } 615 EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_enable); 616 617 void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value) 618 { 619 writel_relaxed(emc_dll_src_value, clk_base + CLK_SOURCE_EMC_DLL); 620 } 621 EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_update_setting); 622 623 void tegra210_clk_emc_update_setting(u32 emc_src_value) 624 { 625 writel_relaxed(emc_src_value, clk_base + CLK_SOURCE_EMC); 626 } 627 EXPORT_SYMBOL_GPL(tegra210_clk_emc_update_setting); 628 629 static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist) 630 { 631 u32 val; 632 633 val = readl_relaxed(clk_base + mbist->lvl2_offset); 634 writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset); 635 fence_udelay(1, clk_base); 636 writel_relaxed(val, clk_base + mbist->lvl2_offset); 637 fence_udelay(1, clk_base); 638 } 639 640 static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist) 641 { 642 u32 csi_src, ovra, ovre; 643 unsigned long flags = 0; 644 645 spin_lock_irqsave(&pll_d_lock, flags); 646 647 csi_src = readl_relaxed(clk_base + PLLD_BASE); 648 writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE); 649 fence_udelay(1, clk_base); 650 651 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); 652 writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA); 653 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 654 writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE); 655 fence_udelay(1, clk_base); 656 657 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); 658 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 659 writel_relaxed(csi_src, clk_base + PLLD_BASE); 660 fence_udelay(1, clk_base); 661 662 spin_unlock_irqrestore(&pll_d_lock, flags); 663 } 664 665 static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist) 666 { 667 u32 ovra, dsc_top_ctrl; 668 669 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); 670 writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA); 671 fence_udelay(1, clk_base); 672 673 dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL); 674 writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL); 675 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); 676 writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL); 677 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); 678 679 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); 680 fence_udelay(1, clk_base); 681 } 682 683 static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist) 684 { 685 u32 ovre, val; 686 687 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 688 writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE); 689 fence_udelay(1, clk_base); 690 691 val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 692 writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24), 693 vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 694 fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 695 696 writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 697 readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 698 699 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 700 fence_udelay(1, clk_base); 701 } 702 703 static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist) 704 { 705 void __iomem *i2s_base; 706 unsigned int i; 707 u32 ovrc, ovre; 708 709 ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC); 710 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 711 writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC); 712 writel_relaxed(ovre | BIT(10) | BIT(11), 713 clk_base + LVL2_CLK_GATE_OVRE); 714 fence_udelay(1, clk_base); 715 716 i2s_base = ahub_base + TEGRA210_I2S_BASE; 717 718 for (i = 0; i < TEGRA210_I2S_CTRLS; i++) { 719 u32 i2s_ctrl; 720 721 i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL); 722 writel_relaxed(i2s_ctrl | BIT(10), 723 i2s_base + TEGRA210_I2S_CTRL); 724 writel_relaxed(0, i2s_base + TEGRA210_I2S_CG); 725 readl(i2s_base + TEGRA210_I2S_CG); 726 writel_relaxed(1, i2s_base + TEGRA210_I2S_CG); 727 writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL); 728 readl(i2s_base + TEGRA210_I2S_CTRL); 729 730 i2s_base += TEGRA210_I2S_SIZE; 731 } 732 733 writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC); 734 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 735 fence_udelay(1, clk_base); 736 } 737 738 static inline void _pll_misc_chk_default(void __iomem *base, 739 struct tegra_clk_pll_params *params, 740 u8 misc_num, u32 default_val, u32 mask) 741 { 742 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]); 743 744 boot_val &= mask; 745 default_val &= mask; 746 if (boot_val != default_val) { 747 pr_warn("boot misc%d 0x%x: expected 0x%x\n", 748 misc_num, boot_val, default_val); 749 pr_warn(" (comparison mask = 0x%x)\n", mask); 750 params->defaults_set = false; 751 } 752 } 753 754 /* 755 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1 756 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition 757 * that changes NDIV only, while PLL is already locked. 758 */ 759 static void pllcx_check_defaults(struct tegra_clk_pll_params *params) 760 { 761 u32 default_val; 762 763 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET); 764 _pll_misc_chk_default(clk_base, params, 0, default_val, 765 PLLCX_MISC0_WRITE_MASK); 766 767 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ); 768 _pll_misc_chk_default(clk_base, params, 1, default_val, 769 PLLCX_MISC1_WRITE_MASK); 770 771 default_val = PLLCX_MISC2_DEFAULT_VALUE; 772 _pll_misc_chk_default(clk_base, params, 2, default_val, 773 PLLCX_MISC2_WRITE_MASK); 774 775 default_val = PLLCX_MISC3_DEFAULT_VALUE; 776 _pll_misc_chk_default(clk_base, params, 3, default_val, 777 PLLCX_MISC3_WRITE_MASK); 778 } 779 780 static void tegra210_pllcx_set_defaults(const char *name, 781 struct tegra_clk_pll *pllcx) 782 { 783 pllcx->params->defaults_set = true; 784 785 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) { 786 /* PLL is ON: only check if defaults already set */ 787 pllcx_check_defaults(pllcx->params); 788 if (!pllcx->params->defaults_set) 789 pr_warn("%s already enabled. Postponing set full defaults\n", 790 name); 791 return; 792 } 793 794 /* Defaults assert PLL reset, and set IDDQ */ 795 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE, 796 clk_base + pllcx->params->ext_misc_reg[0]); 797 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE, 798 clk_base + pllcx->params->ext_misc_reg[1]); 799 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE, 800 clk_base + pllcx->params->ext_misc_reg[2]); 801 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE, 802 clk_base + pllcx->params->ext_misc_reg[3]); 803 udelay(1); 804 } 805 806 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx) 807 { 808 tegra210_pllcx_set_defaults("PLL_C", pllcx); 809 } 810 811 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx) 812 { 813 tegra210_pllcx_set_defaults("PLL_C2", pllcx); 814 } 815 816 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx) 817 { 818 tegra210_pllcx_set_defaults("PLL_C3", pllcx); 819 } 820 821 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx) 822 { 823 tegra210_pllcx_set_defaults("PLL_A1", pllcx); 824 } 825 826 /* 827 * PLLA 828 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used. 829 * Fractional SDM is allowed to provide exact audio rates. 830 */ 831 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) 832 { 833 u32 mask; 834 u32 val = readl_relaxed(clk_base + plla->params->base_reg); 835 836 plla->params->defaults_set = true; 837 838 if (val & PLL_ENABLE) { 839 /* 840 * PLL is ON: check if defaults already set, then set those 841 * that can be updated in flight. 842 */ 843 if (val & PLLA_BASE_IDDQ) { 844 pr_warn("PLL_A boot enabled with IDDQ set\n"); 845 plla->params->defaults_set = false; 846 } 847 848 pr_warn("PLL_A already enabled. Postponing set full defaults\n"); 849 850 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */ 851 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE; 852 _pll_misc_chk_default(clk_base, plla->params, 0, val, 853 ~mask & PLLA_MISC0_WRITE_MASK); 854 855 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */ 856 _pll_misc_chk_default(clk_base, plla->params, 2, val, 857 PLLA_MISC2_EN_DYNRAMP); 858 859 /* Enable lock detect */ 860 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]); 861 val &= ~mask; 862 val |= PLLA_MISC0_DEFAULT_VALUE & mask; 863 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]); 864 udelay(1); 865 866 return; 867 } 868 869 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */ 870 val |= PLLA_BASE_IDDQ; 871 writel_relaxed(val, clk_base + plla->params->base_reg); 872 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE, 873 clk_base + plla->params->ext_misc_reg[0]); 874 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE, 875 clk_base + plla->params->ext_misc_reg[2]); 876 udelay(1); 877 } 878 879 /* 880 * PLLD 881 * PLL with fractional SDM. 882 */ 883 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld) 884 { 885 u32 val; 886 u32 mask = 0xffff; 887 888 plld->params->defaults_set = true; 889 890 if (readl_relaxed(clk_base + plld->params->base_reg) & 891 PLL_ENABLE) { 892 893 /* 894 * PLL is ON: check if defaults already set, then set those 895 * that can be updated in flight. 896 */ 897 val = PLLD_MISC1_DEFAULT_VALUE; 898 _pll_misc_chk_default(clk_base, plld->params, 1, 899 val, PLLD_MISC1_WRITE_MASK); 900 901 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */ 902 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ); 903 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE | 904 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM; 905 _pll_misc_chk_default(clk_base, plld->params, 0, val, 906 ~mask & PLLD_MISC0_WRITE_MASK); 907 908 if (!plld->params->defaults_set) 909 pr_warn("PLL_D already enabled. Postponing set full defaults\n"); 910 911 /* Enable lock detect */ 912 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE; 913 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 914 val &= ~mask; 915 val |= PLLD_MISC0_DEFAULT_VALUE & mask; 916 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 917 udelay(1); 918 919 return; 920 } 921 922 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 923 val &= PLLD_MISC0_DSI_CLKENABLE; 924 val |= PLLD_MISC0_DEFAULT_VALUE; 925 /* set IDDQ, enable lock detect, disable SDM */ 926 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 927 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base + 928 plld->params->ext_misc_reg[1]); 929 udelay(1); 930 } 931 932 /* 933 * PLLD2, PLLDP 934 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used). 935 */ 936 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss, 937 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val) 938 { 939 u32 default_val; 940 u32 val = readl_relaxed(clk_base + plldss->params->base_reg); 941 942 plldss->params->defaults_set = true; 943 944 if (val & PLL_ENABLE) { 945 946 /* 947 * PLL is ON: check if defaults already set, then set those 948 * that can be updated in flight. 949 */ 950 if (val & PLLDSS_BASE_IDDQ) { 951 pr_warn("plldss boot enabled with IDDQ set\n"); 952 plldss->params->defaults_set = false; 953 } 954 955 /* ignore lock enable */ 956 default_val = misc0_val; 957 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val, 958 PLLDSS_MISC0_WRITE_MASK & 959 (~PLLDSS_MISC0_LOCK_ENABLE)); 960 961 /* 962 * If SSC is used, check all settings, otherwise just confirm 963 * that SSC is not used on boot as well. Do nothing when using 964 * this function for PLLC4 that has only MISC0. 965 */ 966 if (plldss->params->ssc_ctrl_en_mask) { 967 default_val = misc1_val; 968 _pll_misc_chk_default(clk_base, plldss->params, 1, 969 default_val, PLLDSS_MISC1_CFG_WRITE_MASK); 970 default_val = misc2_val; 971 _pll_misc_chk_default(clk_base, plldss->params, 2, 972 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK); 973 default_val = misc3_val; 974 _pll_misc_chk_default(clk_base, plldss->params, 3, 975 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK); 976 } else if (plldss->params->ext_misc_reg[1]) { 977 default_val = misc1_val; 978 _pll_misc_chk_default(clk_base, plldss->params, 1, 979 default_val, PLLDSS_MISC1_CFG_WRITE_MASK & 980 (~PLLDSS_MISC1_CFG_EN_SDM)); 981 } 982 983 if (!plldss->params->defaults_set) 984 pr_warn("%s already enabled. Postponing set full defaults\n", 985 pll_name); 986 987 /* Enable lock detect */ 988 if (val & PLLDSS_BASE_LOCK_OVERRIDE) { 989 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 990 writel_relaxed(val, clk_base + 991 plldss->params->base_reg); 992 } 993 994 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]); 995 val &= ~PLLDSS_MISC0_LOCK_ENABLE; 996 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE; 997 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]); 998 udelay(1); 999 1000 return; 1001 } 1002 1003 /* set IDDQ, enable lock detect, configure SDM/SSC */ 1004 val |= PLLDSS_BASE_IDDQ; 1005 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 1006 writel_relaxed(val, clk_base + plldss->params->base_reg); 1007 1008 /* When using this function for PLLC4 exit here */ 1009 if (!plldss->params->ext_misc_reg[1]) { 1010 writel_relaxed(misc0_val, clk_base + 1011 plldss->params->ext_misc_reg[0]); 1012 udelay(1); 1013 return; 1014 } 1015 1016 writel_relaxed(misc0_val, clk_base + 1017 plldss->params->ext_misc_reg[0]); 1018 /* if SSC used set by 1st enable */ 1019 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC), 1020 clk_base + plldss->params->ext_misc_reg[1]); 1021 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]); 1022 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]); 1023 udelay(1); 1024 } 1025 1026 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) 1027 { 1028 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE, 1029 PLLD2_MISC1_CFG_DEFAULT_VALUE, 1030 PLLD2_MISC2_CTRL1_DEFAULT_VALUE, 1031 PLLD2_MISC3_CTRL2_DEFAULT_VALUE); 1032 } 1033 1034 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) 1035 { 1036 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE, 1037 PLLDP_MISC1_CFG_DEFAULT_VALUE, 1038 PLLDP_MISC2_CTRL1_DEFAULT_VALUE, 1039 PLLDP_MISC3_CTRL2_DEFAULT_VALUE); 1040 } 1041 1042 /* 1043 * PLLC4 1044 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support. 1045 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers. 1046 */ 1047 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) 1048 { 1049 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0); 1050 } 1051 1052 /* 1053 * PLLRE 1054 * VCO is exposed to the clock tree directly along with post-divider output 1055 */ 1056 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) 1057 { 1058 u32 mask; 1059 u32 val = readl_relaxed(clk_base + pllre->params->base_reg); 1060 1061 pllre->params->defaults_set = true; 1062 1063 if (val & PLL_ENABLE) { 1064 /* 1065 * PLL is ON: check if defaults already set, then set those 1066 * that can be updated in flight. 1067 */ 1068 val &= PLLRE_BASE_DEFAULT_MASK; 1069 if (val != PLLRE_BASE_DEFAULT_VALUE) { 1070 pr_warn("pllre boot base 0x%x : expected 0x%x\n", 1071 val, PLLRE_BASE_DEFAULT_VALUE); 1072 pr_warn("(comparison mask = 0x%x)\n", 1073 PLLRE_BASE_DEFAULT_MASK); 1074 pllre->params->defaults_set = false; 1075 } 1076 1077 /* Ignore lock enable */ 1078 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ); 1079 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE; 1080 _pll_misc_chk_default(clk_base, pllre->params, 0, val, 1081 ~mask & PLLRE_MISC0_WRITE_MASK); 1082 1083 /* The PLL doesn't work if it's in IDDQ. */ 1084 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]); 1085 if (val & PLLRE_MISC0_IDDQ) 1086 pr_warn("unexpected IDDQ bit set for enabled clock\n"); 1087 1088 /* Enable lock detect */ 1089 val &= ~mask; 1090 val |= PLLRE_MISC0_DEFAULT_VALUE & mask; 1091 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]); 1092 udelay(1); 1093 1094 if (!pllre->params->defaults_set) 1095 pr_warn("PLL_RE already enabled. Postponing set full defaults\n"); 1096 1097 return; 1098 } 1099 1100 /* set IDDQ, enable lock detect */ 1101 val &= ~PLLRE_BASE_DEFAULT_MASK; 1102 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK; 1103 writel_relaxed(val, clk_base + pllre->params->base_reg); 1104 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE, 1105 clk_base + pllre->params->ext_misc_reg[0]); 1106 udelay(1); 1107 } 1108 1109 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) 1110 { 1111 unsigned long input_rate; 1112 1113 /* cf rate */ 1114 if (!IS_ERR_OR_NULL(hw->clk)) 1115 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); 1116 else 1117 input_rate = 38400000; 1118 1119 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); 1120 1121 switch (input_rate) { 1122 case 12000000: 1123 case 12800000: 1124 case 13000000: 1125 *step_a = 0x2B; 1126 *step_b = 0x0B; 1127 return; 1128 case 19200000: 1129 *step_a = 0x12; 1130 *step_b = 0x08; 1131 return; 1132 case 38400000: 1133 *step_a = 0x04; 1134 *step_b = 0x05; 1135 return; 1136 default: 1137 pr_err("%s: Unexpected reference rate %lu\n", 1138 __func__, input_rate); 1139 BUG(); 1140 } 1141 } 1142 1143 static void pllx_check_defaults(struct tegra_clk_pll *pll) 1144 { 1145 u32 default_val; 1146 1147 default_val = PLLX_MISC0_DEFAULT_VALUE; 1148 /* ignore lock enable */ 1149 _pll_misc_chk_default(clk_base, pll->params, 0, default_val, 1150 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE)); 1151 1152 default_val = PLLX_MISC1_DEFAULT_VALUE; 1153 _pll_misc_chk_default(clk_base, pll->params, 1, default_val, 1154 PLLX_MISC1_WRITE_MASK); 1155 1156 /* ignore all but control bit */ 1157 default_val = PLLX_MISC2_DEFAULT_VALUE; 1158 _pll_misc_chk_default(clk_base, pll->params, 2, 1159 default_val, PLLX_MISC2_EN_DYNRAMP); 1160 1161 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ); 1162 _pll_misc_chk_default(clk_base, pll->params, 3, default_val, 1163 PLLX_MISC3_WRITE_MASK); 1164 1165 default_val = PLLX_MISC4_DEFAULT_VALUE; 1166 _pll_misc_chk_default(clk_base, pll->params, 4, default_val, 1167 PLLX_MISC4_WRITE_MASK); 1168 1169 default_val = PLLX_MISC5_DEFAULT_VALUE; 1170 _pll_misc_chk_default(clk_base, pll->params, 5, default_val, 1171 PLLX_MISC5_WRITE_MASK); 1172 } 1173 1174 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) 1175 { 1176 u32 val; 1177 u32 step_a, step_b; 1178 1179 pllx->params->defaults_set = true; 1180 1181 /* Get ready dyn ramp state machine settings */ 1182 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b); 1183 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) & 1184 (~PLLX_MISC2_DYNRAMP_STEPB_MASK); 1185 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT; 1186 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT; 1187 1188 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) { 1189 1190 /* 1191 * PLL is ON: check if defaults already set, then set those 1192 * that can be updated in flight. 1193 */ 1194 pllx_check_defaults(pllx); 1195 1196 if (!pllx->params->defaults_set) 1197 pr_warn("PLL_X already enabled. Postponing set full defaults\n"); 1198 /* Configure dyn ramp, disable lock override */ 1199 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1200 1201 /* Enable lock detect */ 1202 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]); 1203 val &= ~PLLX_MISC0_LOCK_ENABLE; 1204 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE; 1205 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]); 1206 udelay(1); 1207 1208 return; 1209 } 1210 1211 /* Enable lock detect and CPU output */ 1212 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base + 1213 pllx->params->ext_misc_reg[0]); 1214 1215 /* Setup */ 1216 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base + 1217 pllx->params->ext_misc_reg[1]); 1218 1219 /* Configure dyn ramp state machine, disable lock override */ 1220 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1221 1222 /* Set IDDQ */ 1223 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base + 1224 pllx->params->ext_misc_reg[3]); 1225 1226 /* Disable SDM */ 1227 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base + 1228 pllx->params->ext_misc_reg[4]); 1229 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base + 1230 pllx->params->ext_misc_reg[5]); 1231 udelay(1); 1232 } 1233 1234 /* PLLMB */ 1235 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) 1236 { 1237 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg); 1238 1239 pllmb->params->defaults_set = true; 1240 1241 if (val & PLL_ENABLE) { 1242 1243 /* 1244 * PLL is ON: check if defaults already set, then set those 1245 * that can be updated in flight. 1246 */ 1247 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ); 1248 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE; 1249 _pll_misc_chk_default(clk_base, pllmb->params, 0, val, 1250 ~mask & PLLMB_MISC1_WRITE_MASK); 1251 1252 if (!pllmb->params->defaults_set) 1253 pr_warn("PLL_MB already enabled. Postponing set full defaults\n"); 1254 /* Enable lock detect */ 1255 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]); 1256 val &= ~mask; 1257 val |= PLLMB_MISC1_DEFAULT_VALUE & mask; 1258 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]); 1259 udelay(1); 1260 1261 return; 1262 } 1263 1264 /* set IDDQ, enable lock detect */ 1265 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE, 1266 clk_base + pllmb->params->ext_misc_reg[0]); 1267 udelay(1); 1268 } 1269 1270 /* 1271 * PLLP 1272 * VCO is exposed to the clock tree directly along with post-divider output. 1273 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz, 1274 * respectively. 1275 */ 1276 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled) 1277 { 1278 u32 val, mask; 1279 1280 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */ 1281 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ); 1282 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1283 if (!enabled) 1284 mask |= PLLP_MISC0_IDDQ; 1285 _pll_misc_chk_default(clk_base, pll->params, 0, val, 1286 ~mask & PLLP_MISC0_WRITE_MASK); 1287 1288 /* Ignore branch controls */ 1289 val = PLLP_MISC1_DEFAULT_VALUE; 1290 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1291 _pll_misc_chk_default(clk_base, pll->params, 1, val, 1292 ~mask & PLLP_MISC1_WRITE_MASK); 1293 } 1294 1295 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) 1296 { 1297 u32 mask; 1298 u32 val = readl_relaxed(clk_base + pllp->params->base_reg); 1299 1300 pllp->params->defaults_set = true; 1301 1302 if (val & PLL_ENABLE) { 1303 1304 /* 1305 * PLL is ON: check if defaults already set, then set those 1306 * that can be updated in flight. 1307 */ 1308 pllp_check_defaults(pllp, true); 1309 if (!pllp->params->defaults_set) 1310 pr_warn("PLL_P already enabled. Postponing set full defaults\n"); 1311 1312 /* Enable lock detect */ 1313 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]); 1314 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1315 val &= ~mask; 1316 val |= PLLP_MISC0_DEFAULT_VALUE & mask; 1317 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]); 1318 udelay(1); 1319 1320 return; 1321 } 1322 1323 /* set IDDQ, enable lock detect */ 1324 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE, 1325 clk_base + pllp->params->ext_misc_reg[0]); 1326 1327 /* Preserve branch control */ 1328 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]); 1329 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1330 val &= mask; 1331 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE; 1332 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]); 1333 udelay(1); 1334 } 1335 1336 /* 1337 * PLLU 1338 * VCO is exposed to the clock tree directly along with post-divider output. 1339 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz, 1340 * respectively. 1341 */ 1342 static void pllu_check_defaults(struct tegra_clk_pll_params *params, 1343 bool hw_control) 1344 { 1345 u32 val, mask; 1346 1347 /* Ignore lock enable (will be set) and IDDQ if under h/w control */ 1348 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ); 1349 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0); 1350 _pll_misc_chk_default(clk_base, params, 0, val, 1351 ~mask & PLLU_MISC0_WRITE_MASK); 1352 1353 val = PLLU_MISC1_DEFAULT_VALUE; 1354 mask = PLLU_MISC1_LOCK_OVERRIDE; 1355 _pll_misc_chk_default(clk_base, params, 1, val, 1356 ~mask & PLLU_MISC1_WRITE_MASK); 1357 } 1358 1359 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu) 1360 { 1361 u32 val = readl_relaxed(clk_base + pllu->base_reg); 1362 1363 pllu->defaults_set = true; 1364 1365 if (val & PLL_ENABLE) { 1366 1367 /* 1368 * PLL is ON: check if defaults already set, then set those 1369 * that can be updated in flight. 1370 */ 1371 pllu_check_defaults(pllu, false); 1372 if (!pllu->defaults_set) 1373 pr_warn("PLL_U already enabled. Postponing set full defaults\n"); 1374 1375 /* Enable lock detect */ 1376 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]); 1377 val &= ~PLLU_MISC0_LOCK_ENABLE; 1378 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE; 1379 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]); 1380 1381 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]); 1382 val &= ~PLLU_MISC1_LOCK_OVERRIDE; 1383 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE; 1384 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]); 1385 udelay(1); 1386 1387 return; 1388 } 1389 1390 /* set IDDQ, enable lock detect */ 1391 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE, 1392 clk_base + pllu->ext_misc_reg[0]); 1393 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE, 1394 clk_base + pllu->ext_misc_reg[1]); 1395 udelay(1); 1396 } 1397 1398 #define mask(w) ((1 << (w)) - 1) 1399 #define divm_mask(p) mask(p->params->div_nmp->divm_width) 1400 #define divn_mask(p) mask(p->params->div_nmp->divn_width) 1401 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ 1402 mask(p->params->div_nmp->divp_width)) 1403 1404 #define divm_shift(p) ((p)->params->div_nmp->divm_shift) 1405 #define divn_shift(p) ((p)->params->div_nmp->divn_shift) 1406 #define divp_shift(p) ((p)->params->div_nmp->divp_shift) 1407 1408 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p)) 1409 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p)) 1410 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p)) 1411 1412 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */ 1413 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll, 1414 u32 reg, u32 mask) 1415 { 1416 int i; 1417 u32 val = 0; 1418 1419 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) { 1420 udelay(PLL_LOCKDET_DELAY); 1421 val = readl_relaxed(clk_base + reg); 1422 if ((val & mask) == mask) { 1423 udelay(PLL_LOCKDET_DELAY); 1424 return 0; 1425 } 1426 } 1427 return -ETIMEDOUT; 1428 } 1429 1430 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx, 1431 struct tegra_clk_pll_freq_table *cfg) 1432 { 1433 u32 val, base, ndiv_new_mask; 1434 1435 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift) 1436 << PLLX_MISC2_NDIV_NEW_SHIFT; 1437 1438 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1439 val &= (~ndiv_new_mask); 1440 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT; 1441 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1442 udelay(1); 1443 1444 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1445 val |= PLLX_MISC2_EN_DYNRAMP; 1446 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1447 udelay(1); 1448 1449 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2], 1450 PLLX_MISC2_DYNRAMP_DONE); 1451 1452 base = readl_relaxed(clk_base + pllx->params->base_reg) & 1453 (~divn_mask_shifted(pllx)); 1454 base |= cfg->n << pllx->params->div_nmp->divn_shift; 1455 writel_relaxed(base, clk_base + pllx->params->base_reg); 1456 udelay(1); 1457 1458 val &= ~PLLX_MISC2_EN_DYNRAMP; 1459 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1460 udelay(1); 1461 1462 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n", 1463 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p, 1464 cfg->input_rate / cfg->m * cfg->n / 1465 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000); 1466 1467 return 0; 1468 } 1469 1470 /* 1471 * Common configuration for PLLs with fixed input divider policy: 1472 * - always set fixed M-value based on the reference rate 1473 * - always set P-value value 1:1 for output rates above VCO minimum, and 1474 * choose minimum necessary P-value for output rates below VCO maximum 1475 * - calculate N-value based on selected M and P 1476 * - calculate SDM_DIN fractional part 1477 */ 1478 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw, 1479 struct tegra_clk_pll_freq_table *cfg, 1480 unsigned long rate, unsigned long input_rate) 1481 { 1482 struct tegra_clk_pll *pll = to_clk_pll(hw); 1483 struct tegra_clk_pll_params *params = pll->params; 1484 int p; 1485 unsigned long cf, p_rate; 1486 u32 pdiv; 1487 1488 if (!rate) 1489 return -EINVAL; 1490 1491 if (!(params->flags & TEGRA_PLL_VCO_OUT)) { 1492 p = DIV_ROUND_UP(params->vco_min, rate); 1493 p = params->round_p_to_pdiv(p, &pdiv); 1494 } else { 1495 p = rate >= params->vco_min ? 1 : -EINVAL; 1496 } 1497 1498 if (p < 0) 1499 return -EINVAL; 1500 1501 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate); 1502 cfg->p = p; 1503 1504 /* Store P as HW value, as that is what is expected */ 1505 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p); 1506 1507 p_rate = rate * p; 1508 if (p_rate > params->vco_max) 1509 p_rate = params->vco_max; 1510 cf = input_rate / cfg->m; 1511 cfg->n = p_rate / cf; 1512 1513 cfg->sdm_data = 0; 1514 cfg->output_rate = input_rate; 1515 if (params->sdm_ctrl_reg) { 1516 unsigned long rem = p_rate - cf * cfg->n; 1517 /* If ssc is enabled SDM enabled as well, even for integer n */ 1518 if (rem || params->ssc_ctrl_reg) { 1519 u64 s = rem * PLL_SDM_COEFF; 1520 1521 do_div(s, cf); 1522 s -= PLL_SDM_COEFF / 2; 1523 cfg->sdm_data = sdin_din_to_data(s); 1524 } 1525 cfg->output_rate *= sdin_get_n_eff(cfg); 1526 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF; 1527 } else { 1528 cfg->output_rate *= cfg->n; 1529 cfg->output_rate /= p * cfg->m; 1530 } 1531 1532 cfg->input_rate = input_rate; 1533 1534 return 0; 1535 } 1536 1537 /* 1538 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate 1539 * 1540 * @cfg: struct tegra_clk_pll_freq_table * cfg 1541 * 1542 * For Normal mode: 1543 * Fvco = Fref * NDIV / MDIV 1544 * 1545 * For fractional mode: 1546 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV 1547 */ 1548 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg) 1549 { 1550 cfg->n = sdin_get_n_eff(cfg); 1551 cfg->m *= PLL_SDM_COEFF; 1552 } 1553 1554 static unsigned long 1555 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, 1556 unsigned long parent_rate) 1557 { 1558 unsigned long vco_min = params->vco_min; 1559 1560 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF); 1561 vco_min = min(vco_min, params->vco_min); 1562 1563 return vco_min; 1564 } 1565 1566 static struct div_nmp pllx_nmp = { 1567 .divm_shift = 0, 1568 .divm_width = 8, 1569 .divn_shift = 8, 1570 .divn_width = 8, 1571 .divp_shift = 20, 1572 .divp_width = 5, 1573 }; 1574 /* 1575 * PLL post divider maps - two types: quasi-linear and exponential 1576 * post divider. 1577 */ 1578 #define PLL_QLIN_PDIV_MAX 16 1579 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = { 1580 { .pdiv = 1, .hw_val = 0 }, 1581 { .pdiv = 2, .hw_val = 1 }, 1582 { .pdiv = 3, .hw_val = 2 }, 1583 { .pdiv = 4, .hw_val = 3 }, 1584 { .pdiv = 5, .hw_val = 4 }, 1585 { .pdiv = 6, .hw_val = 5 }, 1586 { .pdiv = 8, .hw_val = 6 }, 1587 { .pdiv = 9, .hw_val = 7 }, 1588 { .pdiv = 10, .hw_val = 8 }, 1589 { .pdiv = 12, .hw_val = 9 }, 1590 { .pdiv = 15, .hw_val = 10 }, 1591 { .pdiv = 16, .hw_val = 11 }, 1592 { .pdiv = 18, .hw_val = 12 }, 1593 { .pdiv = 20, .hw_val = 13 }, 1594 { .pdiv = 24, .hw_val = 14 }, 1595 { .pdiv = 30, .hw_val = 15 }, 1596 { .pdiv = 32, .hw_val = 16 }, 1597 }; 1598 1599 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv) 1600 { 1601 int i; 1602 1603 if (p) { 1604 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) { 1605 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) { 1606 if (pdiv) 1607 *pdiv = i; 1608 return pll_qlin_pdiv_to_hw[i].pdiv; 1609 } 1610 } 1611 } 1612 1613 return -EINVAL; 1614 } 1615 1616 #define PLL_EXPO_PDIV_MAX 7 1617 static const struct pdiv_map pll_expo_pdiv_to_hw[] = { 1618 { .pdiv = 1, .hw_val = 0 }, 1619 { .pdiv = 2, .hw_val = 1 }, 1620 { .pdiv = 4, .hw_val = 2 }, 1621 { .pdiv = 8, .hw_val = 3 }, 1622 { .pdiv = 16, .hw_val = 4 }, 1623 { .pdiv = 32, .hw_val = 5 }, 1624 { .pdiv = 64, .hw_val = 6 }, 1625 { .pdiv = 128, .hw_val = 7 }, 1626 }; 1627 1628 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv) 1629 { 1630 if (p) { 1631 u32 i = fls(p); 1632 1633 if (i == ffs(p)) 1634 i--; 1635 1636 if (i <= PLL_EXPO_PDIV_MAX) { 1637 if (pdiv) 1638 *pdiv = i; 1639 return 1 << i; 1640 } 1641 } 1642 return -EINVAL; 1643 } 1644 1645 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 1646 /* 1 GHz */ 1647 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */ 1648 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */ 1649 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */ 1650 { 0, 0, 0, 0, 0, 0 }, 1651 }; 1652 1653 static struct tegra_clk_pll_params pll_x_params = { 1654 .input_min = 12000000, 1655 .input_max = 800000000, 1656 .cf_min = 12000000, 1657 .cf_max = 38400000, 1658 .vco_min = 1350000000, 1659 .vco_max = 3000000000UL, 1660 .base_reg = PLLX_BASE, 1661 .misc_reg = PLLX_MISC0, 1662 .lock_mask = PLL_BASE_LOCK, 1663 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 1664 .lock_delay = 300, 1665 .ext_misc_reg[0] = PLLX_MISC0, 1666 .ext_misc_reg[1] = PLLX_MISC1, 1667 .ext_misc_reg[2] = PLLX_MISC2, 1668 .ext_misc_reg[3] = PLLX_MISC3, 1669 .ext_misc_reg[4] = PLLX_MISC4, 1670 .ext_misc_reg[5] = PLLX_MISC5, 1671 .iddq_reg = PLLX_MISC3, 1672 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1673 .max_p = PLL_QLIN_PDIV_MAX, 1674 .mdiv_default = 2, 1675 .dyn_ramp_reg = PLLX_MISC2, 1676 .stepa_shift = 16, 1677 .stepb_shift = 24, 1678 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1679 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1680 .div_nmp = &pllx_nmp, 1681 .freq_table = pll_x_freq_table, 1682 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1683 .dyn_ramp = tegra210_pllx_dyn_ramp, 1684 .set_defaults = tegra210_pllx_set_defaults, 1685 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1686 }; 1687 1688 static struct div_nmp pllc_nmp = { 1689 .divm_shift = 0, 1690 .divm_width = 8, 1691 .divn_shift = 10, 1692 .divn_width = 8, 1693 .divp_shift = 20, 1694 .divp_width = 5, 1695 }; 1696 1697 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { 1698 { 12000000, 510000000, 85, 1, 2, 0 }, 1699 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */ 1700 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */ 1701 { 0, 0, 0, 0, 0, 0 }, 1702 }; 1703 1704 static struct tegra_clk_pll_params pll_c_params = { 1705 .input_min = 12000000, 1706 .input_max = 700000000, 1707 .cf_min = 12000000, 1708 .cf_max = 50000000, 1709 .vco_min = 600000000, 1710 .vco_max = 1200000000, 1711 .base_reg = PLLC_BASE, 1712 .misc_reg = PLLC_MISC0, 1713 .lock_mask = PLL_BASE_LOCK, 1714 .lock_delay = 300, 1715 .iddq_reg = PLLC_MISC1, 1716 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1717 .reset_reg = PLLC_MISC0, 1718 .reset_bit_idx = PLLCX_RESET_BIT, 1719 .max_p = PLL_QLIN_PDIV_MAX, 1720 .ext_misc_reg[0] = PLLC_MISC0, 1721 .ext_misc_reg[1] = PLLC_MISC1, 1722 .ext_misc_reg[2] = PLLC_MISC2, 1723 .ext_misc_reg[3] = PLLC_MISC3, 1724 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1725 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1726 .mdiv_default = 3, 1727 .div_nmp = &pllc_nmp, 1728 .freq_table = pll_cx_freq_table, 1729 .flags = TEGRA_PLL_USE_LOCK, 1730 .set_defaults = _pllc_set_defaults, 1731 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1732 }; 1733 1734 static struct div_nmp pllcx_nmp = { 1735 .divm_shift = 0, 1736 .divm_width = 8, 1737 .divn_shift = 10, 1738 .divn_width = 8, 1739 .divp_shift = 20, 1740 .divp_width = 5, 1741 }; 1742 1743 static struct tegra_clk_pll_params pll_c2_params = { 1744 .input_min = 12000000, 1745 .input_max = 700000000, 1746 .cf_min = 12000000, 1747 .cf_max = 50000000, 1748 .vco_min = 600000000, 1749 .vco_max = 1200000000, 1750 .base_reg = PLLC2_BASE, 1751 .misc_reg = PLLC2_MISC0, 1752 .iddq_reg = PLLC2_MISC1, 1753 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1754 .reset_reg = PLLC2_MISC0, 1755 .reset_bit_idx = PLLCX_RESET_BIT, 1756 .lock_mask = PLLCX_BASE_LOCK, 1757 .lock_delay = 300, 1758 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1759 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1760 .mdiv_default = 3, 1761 .div_nmp = &pllcx_nmp, 1762 .max_p = PLL_QLIN_PDIV_MAX, 1763 .ext_misc_reg[0] = PLLC2_MISC0, 1764 .ext_misc_reg[1] = PLLC2_MISC1, 1765 .ext_misc_reg[2] = PLLC2_MISC2, 1766 .ext_misc_reg[3] = PLLC2_MISC3, 1767 .freq_table = pll_cx_freq_table, 1768 .flags = TEGRA_PLL_USE_LOCK, 1769 .set_defaults = _pllc2_set_defaults, 1770 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1771 }; 1772 1773 static struct tegra_clk_pll_params pll_c3_params = { 1774 .input_min = 12000000, 1775 .input_max = 700000000, 1776 .cf_min = 12000000, 1777 .cf_max = 50000000, 1778 .vco_min = 600000000, 1779 .vco_max = 1200000000, 1780 .base_reg = PLLC3_BASE, 1781 .misc_reg = PLLC3_MISC0, 1782 .lock_mask = PLLCX_BASE_LOCK, 1783 .lock_delay = 300, 1784 .iddq_reg = PLLC3_MISC1, 1785 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1786 .reset_reg = PLLC3_MISC0, 1787 .reset_bit_idx = PLLCX_RESET_BIT, 1788 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1789 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1790 .mdiv_default = 3, 1791 .div_nmp = &pllcx_nmp, 1792 .max_p = PLL_QLIN_PDIV_MAX, 1793 .ext_misc_reg[0] = PLLC3_MISC0, 1794 .ext_misc_reg[1] = PLLC3_MISC1, 1795 .ext_misc_reg[2] = PLLC3_MISC2, 1796 .ext_misc_reg[3] = PLLC3_MISC3, 1797 .freq_table = pll_cx_freq_table, 1798 .flags = TEGRA_PLL_USE_LOCK, 1799 .set_defaults = _pllc3_set_defaults, 1800 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1801 }; 1802 1803 static struct div_nmp pllss_nmp = { 1804 .divm_shift = 0, 1805 .divm_width = 8, 1806 .divn_shift = 8, 1807 .divn_width = 8, 1808 .divp_shift = 19, 1809 .divp_width = 5, 1810 }; 1811 1812 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = { 1813 { 12000000, 600000000, 50, 1, 1, 0 }, 1814 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */ 1815 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */ 1816 { 0, 0, 0, 0, 0, 0 }, 1817 }; 1818 1819 static const struct clk_div_table pll_vco_post_div_table[] = { 1820 { .val = 0, .div = 1 }, 1821 { .val = 1, .div = 2 }, 1822 { .val = 2, .div = 3 }, 1823 { .val = 3, .div = 4 }, 1824 { .val = 4, .div = 5 }, 1825 { .val = 5, .div = 6 }, 1826 { .val = 6, .div = 8 }, 1827 { .val = 7, .div = 10 }, 1828 { .val = 8, .div = 12 }, 1829 { .val = 9, .div = 16 }, 1830 { .val = 10, .div = 12 }, 1831 { .val = 11, .div = 16 }, 1832 { .val = 12, .div = 20 }, 1833 { .val = 13, .div = 24 }, 1834 { .val = 14, .div = 32 }, 1835 { .val = 0, .div = 0 }, 1836 }; 1837 1838 static struct tegra_clk_pll_params pll_c4_vco_params = { 1839 .input_min = 9600000, 1840 .input_max = 800000000, 1841 .cf_min = 9600000, 1842 .cf_max = 19200000, 1843 .vco_min = 500000000, 1844 .vco_max = 1080000000, 1845 .base_reg = PLLC4_BASE, 1846 .misc_reg = PLLC4_MISC0, 1847 .lock_mask = PLL_BASE_LOCK, 1848 .lock_delay = 300, 1849 .max_p = PLL_QLIN_PDIV_MAX, 1850 .ext_misc_reg[0] = PLLC4_MISC0, 1851 .iddq_reg = PLLC4_BASE, 1852 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1853 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1854 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1855 .mdiv_default = 3, 1856 .div_nmp = &pllss_nmp, 1857 .freq_table = pll_c4_vco_freq_table, 1858 .set_defaults = tegra210_pllc4_set_defaults, 1859 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1860 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1861 }; 1862 1863 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 1864 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */ 1865 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */ 1866 { 38400000, 297600000, 93, 4, 3, 0 }, 1867 { 38400000, 400000000, 125, 4, 3, 0 }, 1868 { 38400000, 532800000, 111, 4, 2, 0 }, 1869 { 38400000, 665600000, 104, 3, 2, 0 }, 1870 { 38400000, 800000000, 125, 3, 2, 0 }, 1871 { 38400000, 931200000, 97, 4, 1, 0 }, 1872 { 38400000, 1065600000, 111, 4, 1, 0 }, 1873 { 38400000, 1200000000, 125, 4, 1, 0 }, 1874 { 38400000, 1331200000, 104, 3, 1, 0 }, 1875 { 38400000, 1459200000, 76, 2, 1, 0 }, 1876 { 38400000, 1600000000, 125, 3, 1, 0 }, 1877 { 0, 0, 0, 0, 0, 0 }, 1878 }; 1879 1880 static struct div_nmp pllm_nmp = { 1881 .divm_shift = 0, 1882 .divm_width = 8, 1883 .override_divm_shift = 0, 1884 .divn_shift = 8, 1885 .divn_width = 8, 1886 .override_divn_shift = 8, 1887 .divp_shift = 20, 1888 .divp_width = 5, 1889 .override_divp_shift = 27, 1890 }; 1891 1892 static struct tegra_clk_pll_params pll_m_params = { 1893 .input_min = 9600000, 1894 .input_max = 500000000, 1895 .cf_min = 9600000, 1896 .cf_max = 19200000, 1897 .vco_min = 800000000, 1898 .vco_max = 1866000000, 1899 .base_reg = PLLM_BASE, 1900 .misc_reg = PLLM_MISC2, 1901 .lock_mask = PLL_BASE_LOCK, 1902 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE, 1903 .lock_delay = 300, 1904 .iddq_reg = PLLM_MISC2, 1905 .iddq_bit_idx = PLLM_IDDQ_BIT, 1906 .max_p = PLL_QLIN_PDIV_MAX, 1907 .ext_misc_reg[0] = PLLM_MISC2, 1908 .ext_misc_reg[1] = PLLM_MISC1, 1909 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1910 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1911 .div_nmp = &pllm_nmp, 1912 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 1913 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, 1914 .freq_table = pll_m_freq_table, 1915 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1916 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1917 }; 1918 1919 static struct tegra_clk_pll_params pll_mb_params = { 1920 .input_min = 9600000, 1921 .input_max = 500000000, 1922 .cf_min = 9600000, 1923 .cf_max = 19200000, 1924 .vco_min = 800000000, 1925 .vco_max = 1866000000, 1926 .base_reg = PLLMB_BASE, 1927 .misc_reg = PLLMB_MISC1, 1928 .lock_mask = PLL_BASE_LOCK, 1929 .lock_delay = 300, 1930 .iddq_reg = PLLMB_MISC1, 1931 .iddq_bit_idx = PLLMB_IDDQ_BIT, 1932 .max_p = PLL_QLIN_PDIV_MAX, 1933 .ext_misc_reg[0] = PLLMB_MISC1, 1934 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1935 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1936 .div_nmp = &pllm_nmp, 1937 .freq_table = pll_m_freq_table, 1938 .flags = TEGRA_PLL_USE_LOCK, 1939 .set_defaults = tegra210_pllmb_set_defaults, 1940 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1941 }; 1942 1943 1944 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 1945 /* PLLE special case: use cpcon field to store cml divider value */ 1946 { 672000000, 100000000, 125, 42, 0, 13 }, 1947 { 624000000, 100000000, 125, 39, 0, 13 }, 1948 { 336000000, 100000000, 125, 21, 0, 13 }, 1949 { 312000000, 100000000, 200, 26, 0, 14 }, 1950 { 38400000, 100000000, 125, 2, 0, 14 }, 1951 { 12000000, 100000000, 200, 1, 0, 14 }, 1952 { 0, 0, 0, 0, 0, 0 }, 1953 }; 1954 1955 static struct div_nmp plle_nmp = { 1956 .divm_shift = 0, 1957 .divm_width = 8, 1958 .divn_shift = 8, 1959 .divn_width = 8, 1960 .divp_shift = 24, 1961 .divp_width = 5, 1962 }; 1963 1964 static struct tegra_clk_pll_params pll_e_params = { 1965 .input_min = 12000000, 1966 .input_max = 800000000, 1967 .cf_min = 12000000, 1968 .cf_max = 38400000, 1969 .vco_min = 1600000000, 1970 .vco_max = 2500000000U, 1971 .base_reg = PLLE_BASE, 1972 .misc_reg = PLLE_MISC0, 1973 .aux_reg = PLLE_AUX, 1974 .lock_mask = PLLE_MISC_LOCK, 1975 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 1976 .lock_delay = 300, 1977 .div_nmp = &plle_nmp, 1978 .freq_table = pll_e_freq_table, 1979 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK | 1980 TEGRA_PLL_HAS_LOCK_ENABLE, 1981 .fixed_rate = 100000000, 1982 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1983 }; 1984 1985 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = { 1986 { 12000000, 672000000, 56, 1, 1, 0 }, 1987 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */ 1988 { 38400000, 672000000, 70, 4, 1, 0 }, 1989 { 0, 0, 0, 0, 0, 0 }, 1990 }; 1991 1992 static struct div_nmp pllre_nmp = { 1993 .divm_shift = 0, 1994 .divm_width = 8, 1995 .divn_shift = 8, 1996 .divn_width = 8, 1997 .divp_shift = 16, 1998 .divp_width = 5, 1999 }; 2000 2001 static struct tegra_clk_pll_params pll_re_vco_params = { 2002 .input_min = 9600000, 2003 .input_max = 800000000, 2004 .cf_min = 9600000, 2005 .cf_max = 19200000, 2006 .vco_min = 350000000, 2007 .vco_max = 700000000, 2008 .base_reg = PLLRE_BASE, 2009 .misc_reg = PLLRE_MISC0, 2010 .lock_mask = PLLRE_MISC_LOCK, 2011 .lock_delay = 300, 2012 .max_p = PLL_QLIN_PDIV_MAX, 2013 .ext_misc_reg[0] = PLLRE_MISC0, 2014 .iddq_reg = PLLRE_MISC0, 2015 .iddq_bit_idx = PLLRE_IDDQ_BIT, 2016 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2017 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2018 .div_nmp = &pllre_nmp, 2019 .freq_table = pll_re_vco_freq_table, 2020 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT, 2021 .set_defaults = tegra210_pllre_set_defaults, 2022 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2023 }; 2024 2025 static struct div_nmp pllp_nmp = { 2026 .divm_shift = 0, 2027 .divm_width = 8, 2028 .divn_shift = 10, 2029 .divn_width = 8, 2030 .divp_shift = 20, 2031 .divp_width = 5, 2032 }; 2033 2034 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 2035 { 12000000, 408000000, 34, 1, 1, 0 }, 2036 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */ 2037 { 0, 0, 0, 0, 0, 0 }, 2038 }; 2039 2040 static struct tegra_clk_pll_params pll_p_params = { 2041 .input_min = 9600000, 2042 .input_max = 800000000, 2043 .cf_min = 9600000, 2044 .cf_max = 19200000, 2045 .vco_min = 350000000, 2046 .vco_max = 700000000, 2047 .base_reg = PLLP_BASE, 2048 .misc_reg = PLLP_MISC0, 2049 .lock_mask = PLL_BASE_LOCK, 2050 .lock_delay = 300, 2051 .iddq_reg = PLLP_MISC0, 2052 .iddq_bit_idx = PLLXP_IDDQ_BIT, 2053 .ext_misc_reg[0] = PLLP_MISC0, 2054 .ext_misc_reg[1] = PLLP_MISC1, 2055 .div_nmp = &pllp_nmp, 2056 .freq_table = pll_p_freq_table, 2057 .fixed_rate = 408000000, 2058 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2059 .set_defaults = tegra210_pllp_set_defaults, 2060 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2061 }; 2062 2063 static struct tegra_clk_pll_params pll_a1_params = { 2064 .input_min = 12000000, 2065 .input_max = 700000000, 2066 .cf_min = 12000000, 2067 .cf_max = 50000000, 2068 .vco_min = 600000000, 2069 .vco_max = 1200000000, 2070 .base_reg = PLLA1_BASE, 2071 .misc_reg = PLLA1_MISC0, 2072 .lock_mask = PLLCX_BASE_LOCK, 2073 .lock_delay = 300, 2074 .iddq_reg = PLLA1_MISC1, 2075 .iddq_bit_idx = PLLCX_IDDQ_BIT, 2076 .reset_reg = PLLA1_MISC0, 2077 .reset_bit_idx = PLLCX_RESET_BIT, 2078 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2079 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2080 .div_nmp = &pllc_nmp, 2081 .ext_misc_reg[0] = PLLA1_MISC0, 2082 .ext_misc_reg[1] = PLLA1_MISC1, 2083 .ext_misc_reg[2] = PLLA1_MISC2, 2084 .ext_misc_reg[3] = PLLA1_MISC3, 2085 .freq_table = pll_cx_freq_table, 2086 .flags = TEGRA_PLL_USE_LOCK, 2087 .set_defaults = _plla1_set_defaults, 2088 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2089 }; 2090 2091 static struct div_nmp plla_nmp = { 2092 .divm_shift = 0, 2093 .divm_width = 8, 2094 .divn_shift = 8, 2095 .divn_width = 8, 2096 .divp_shift = 20, 2097 .divp_width = 5, 2098 }; 2099 2100 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 2101 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */ 2102 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */ 2103 { 12000000, 240000000, 60, 1, 3, 1, 0 }, 2104 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */ 2105 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */ 2106 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */ 2107 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */ 2108 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */ 2109 { 38400000, 240000000, 75, 3, 3, 1, 0 }, 2110 { 0, 0, 0, 0, 0, 0, 0 }, 2111 }; 2112 2113 static struct tegra_clk_pll_params pll_a_params = { 2114 .input_min = 12000000, 2115 .input_max = 800000000, 2116 .cf_min = 12000000, 2117 .cf_max = 19200000, 2118 .vco_min = 500000000, 2119 .vco_max = 1000000000, 2120 .base_reg = PLLA_BASE, 2121 .misc_reg = PLLA_MISC0, 2122 .lock_mask = PLL_BASE_LOCK, 2123 .lock_delay = 300, 2124 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2125 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2126 .iddq_reg = PLLA_BASE, 2127 .iddq_bit_idx = PLLA_IDDQ_BIT, 2128 .div_nmp = &plla_nmp, 2129 .sdm_din_reg = PLLA_MISC1, 2130 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2131 .sdm_ctrl_reg = PLLA_MISC2, 2132 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK, 2133 .ext_misc_reg[0] = PLLA_MISC0, 2134 .ext_misc_reg[1] = PLLA_MISC1, 2135 .ext_misc_reg[2] = PLLA_MISC2, 2136 .freq_table = pll_a_freq_table, 2137 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW, 2138 .set_defaults = tegra210_plla_set_defaults, 2139 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2140 .set_gain = tegra210_clk_pll_set_gain, 2141 .adjust_vco = tegra210_clk_adjust_vco_min, 2142 }; 2143 2144 static struct div_nmp plld_nmp = { 2145 .divm_shift = 0, 2146 .divm_width = 8, 2147 .divn_shift = 11, 2148 .divn_width = 8, 2149 .divp_shift = 20, 2150 .divp_width = 3, 2151 }; 2152 2153 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 2154 { 12000000, 594000000, 99, 1, 2, 0, 0 }, 2155 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2156 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2157 { 0, 0, 0, 0, 0, 0, 0 }, 2158 }; 2159 2160 static struct tegra_clk_pll_params pll_d_params = { 2161 .input_min = 12000000, 2162 .input_max = 800000000, 2163 .cf_min = 12000000, 2164 .cf_max = 38400000, 2165 .vco_min = 750000000, 2166 .vco_max = 1500000000, 2167 .base_reg = PLLD_BASE, 2168 .misc_reg = PLLD_MISC0, 2169 .lock_mask = PLL_BASE_LOCK, 2170 .lock_delay = 1000, 2171 .iddq_reg = PLLD_MISC0, 2172 .iddq_bit_idx = PLLD_IDDQ_BIT, 2173 .round_p_to_pdiv = pll_expo_p_to_pdiv, 2174 .pdiv_tohw = pll_expo_pdiv_to_hw, 2175 .div_nmp = &plld_nmp, 2176 .sdm_din_reg = PLLD_MISC0, 2177 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2178 .sdm_ctrl_reg = PLLD_MISC0, 2179 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK, 2180 .ext_misc_reg[0] = PLLD_MISC0, 2181 .ext_misc_reg[1] = PLLD_MISC1, 2182 .freq_table = pll_d_freq_table, 2183 .flags = TEGRA_PLL_USE_LOCK, 2184 .mdiv_default = 1, 2185 .set_defaults = tegra210_plld_set_defaults, 2186 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2187 .set_gain = tegra210_clk_pll_set_gain, 2188 .adjust_vco = tegra210_clk_adjust_vco_min, 2189 }; 2190 2191 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = { 2192 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 }, 2193 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2194 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2195 { 0, 0, 0, 0, 0, 0, 0 }, 2196 }; 2197 2198 /* s/w policy, always tegra_pll_ref */ 2199 static struct tegra_clk_pll_params pll_d2_params = { 2200 .input_min = 12000000, 2201 .input_max = 800000000, 2202 .cf_min = 12000000, 2203 .cf_max = 38400000, 2204 .vco_min = 750000000, 2205 .vco_max = 1500000000, 2206 .base_reg = PLLD2_BASE, 2207 .misc_reg = PLLD2_MISC0, 2208 .lock_mask = PLL_BASE_LOCK, 2209 .lock_delay = 300, 2210 .iddq_reg = PLLD2_BASE, 2211 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2212 .sdm_din_reg = PLLD2_MISC3, 2213 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2214 .sdm_ctrl_reg = PLLD2_MISC1, 2215 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK, 2216 /* disable spread-spectrum for pll_d2 */ 2217 .ssc_ctrl_reg = 0, 2218 .ssc_ctrl_en_mask = 0, 2219 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2220 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2221 .div_nmp = &pllss_nmp, 2222 .ext_misc_reg[0] = PLLD2_MISC0, 2223 .ext_misc_reg[1] = PLLD2_MISC1, 2224 .ext_misc_reg[2] = PLLD2_MISC2, 2225 .ext_misc_reg[3] = PLLD2_MISC3, 2226 .max_p = PLL_QLIN_PDIV_MAX, 2227 .mdiv_default = 1, 2228 .freq_table = tegra210_pll_d2_freq_table, 2229 .set_defaults = tegra210_plld2_set_defaults, 2230 .flags = TEGRA_PLL_USE_LOCK, 2231 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2232 .set_gain = tegra210_clk_pll_set_gain, 2233 .adjust_vco = tegra210_clk_adjust_vco_min, 2234 }; 2235 2236 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = { 2237 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 }, 2238 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */ 2239 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 }, 2240 { 0, 0, 0, 0, 0, 0, 0 }, 2241 }; 2242 2243 static struct tegra_clk_pll_params pll_dp_params = { 2244 .input_min = 12000000, 2245 .input_max = 800000000, 2246 .cf_min = 12000000, 2247 .cf_max = 38400000, 2248 .vco_min = 750000000, 2249 .vco_max = 1500000000, 2250 .base_reg = PLLDP_BASE, 2251 .misc_reg = PLLDP_MISC, 2252 .lock_mask = PLL_BASE_LOCK, 2253 .lock_delay = 300, 2254 .iddq_reg = PLLDP_BASE, 2255 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2256 .sdm_din_reg = PLLDP_SS_CTRL2, 2257 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2258 .sdm_ctrl_reg = PLLDP_SS_CFG, 2259 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK, 2260 .ssc_ctrl_reg = PLLDP_SS_CFG, 2261 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK, 2262 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2263 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2264 .div_nmp = &pllss_nmp, 2265 .ext_misc_reg[0] = PLLDP_MISC, 2266 .ext_misc_reg[1] = PLLDP_SS_CFG, 2267 .ext_misc_reg[2] = PLLDP_SS_CTRL1, 2268 .ext_misc_reg[3] = PLLDP_SS_CTRL2, 2269 .max_p = PLL_QLIN_PDIV_MAX, 2270 .mdiv_default = 1, 2271 .freq_table = pll_dp_freq_table, 2272 .set_defaults = tegra210_plldp_set_defaults, 2273 .flags = TEGRA_PLL_USE_LOCK, 2274 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2275 .set_gain = tegra210_clk_pll_set_gain, 2276 .adjust_vco = tegra210_clk_adjust_vco_min, 2277 }; 2278 2279 static struct div_nmp pllu_nmp = { 2280 .divm_shift = 0, 2281 .divm_width = 8, 2282 .divn_shift = 8, 2283 .divn_width = 8, 2284 .divp_shift = 16, 2285 .divp_width = 5, 2286 }; 2287 2288 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 2289 { 12000000, 480000000, 40, 1, 1, 0 }, 2290 { 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */ 2291 { 38400000, 480000000, 25, 2, 1, 0 }, 2292 { 0, 0, 0, 0, 0, 0 }, 2293 }; 2294 2295 static struct tegra_clk_pll_params pll_u_vco_params = { 2296 .input_min = 9600000, 2297 .input_max = 800000000, 2298 .cf_min = 9600000, 2299 .cf_max = 19200000, 2300 .vco_min = 350000000, 2301 .vco_max = 700000000, 2302 .base_reg = PLLU_BASE, 2303 .misc_reg = PLLU_MISC0, 2304 .lock_mask = PLL_BASE_LOCK, 2305 .lock_delay = 1000, 2306 .iddq_reg = PLLU_MISC0, 2307 .iddq_bit_idx = PLLU_IDDQ_BIT, 2308 .ext_misc_reg[0] = PLLU_MISC0, 2309 .ext_misc_reg[1] = PLLU_MISC1, 2310 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2311 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2312 .div_nmp = &pllu_nmp, 2313 .freq_table = pll_u_freq_table, 2314 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2315 }; 2316 2317 struct utmi_clk_param { 2318 /* Oscillator Frequency in KHz */ 2319 u32 osc_frequency; 2320 /* UTMIP PLL Enable Delay Count */ 2321 u8 enable_delay_count; 2322 /* UTMIP PLL Stable count */ 2323 u16 stable_count; 2324 /* UTMIP PLL Active delay count */ 2325 u8 active_delay_count; 2326 /* UTMIP PLL Xtal frequency count */ 2327 u16 xtal_freq_count; 2328 }; 2329 2330 static const struct utmi_clk_param utmi_parameters[] = { 2331 { 2332 .osc_frequency = 38400000, .enable_delay_count = 0x0, 2333 .stable_count = 0x0, .active_delay_count = 0x6, 2334 .xtal_freq_count = 0x80 2335 }, { 2336 .osc_frequency = 13000000, .enable_delay_count = 0x02, 2337 .stable_count = 0x33, .active_delay_count = 0x05, 2338 .xtal_freq_count = 0x7f 2339 }, { 2340 .osc_frequency = 19200000, .enable_delay_count = 0x03, 2341 .stable_count = 0x4b, .active_delay_count = 0x06, 2342 .xtal_freq_count = 0xbb 2343 }, { 2344 .osc_frequency = 12000000, .enable_delay_count = 0x02, 2345 .stable_count = 0x2f, .active_delay_count = 0x08, 2346 .xtal_freq_count = 0x76 2347 }, { 2348 .osc_frequency = 26000000, .enable_delay_count = 0x04, 2349 .stable_count = 0x66, .active_delay_count = 0x09, 2350 .xtal_freq_count = 0xfe 2351 }, { 2352 .osc_frequency = 16800000, .enable_delay_count = 0x03, 2353 .stable_count = 0x41, .active_delay_count = 0x0a, 2354 .xtal_freq_count = 0xa4 2355 }, 2356 }; 2357 2358 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { 2359 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true }, 2360 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, 2361 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, 2362 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, 2363 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, 2364 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, 2365 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, 2366 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, 2367 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, 2368 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, 2369 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true }, 2370 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true }, 2371 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true }, 2372 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true }, 2373 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true }, 2374 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true }, 2375 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true }, 2376 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true }, 2377 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true }, 2378 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true }, 2379 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true }, 2380 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true }, 2381 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true }, 2382 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true }, 2383 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true }, 2384 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true }, 2385 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true }, 2386 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true }, 2387 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true }, 2388 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true }, 2389 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true }, 2390 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true }, 2391 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true }, 2392 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true }, 2393 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true }, 2394 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true }, 2395 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true }, 2396 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true }, 2397 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true }, 2398 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true }, 2399 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true }, 2400 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true }, 2401 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true }, 2402 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true }, 2403 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true }, 2404 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true }, 2405 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true }, 2406 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true }, 2407 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true }, 2408 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true }, 2409 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true }, 2410 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true }, 2411 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true }, 2412 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true }, 2413 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true }, 2414 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true }, 2415 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true }, 2416 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true }, 2417 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true }, 2418 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true }, 2419 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true }, 2420 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true }, 2421 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true }, 2422 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true }, 2423 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true }, 2424 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true }, 2425 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true }, 2426 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true }, 2427 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true }, 2428 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true }, 2429 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true }, 2430 [tegra_clk_sor0_out] = { .dt_id = TEGRA210_CLK_SOR0_OUT, .present = true }, 2431 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true }, 2432 [tegra_clk_sor1_out] = { .dt_id = TEGRA210_CLK_SOR1_OUT, .present = true }, 2433 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true }, 2434 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, }, 2435 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true }, 2436 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true }, 2437 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true }, 2438 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true }, 2439 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true }, 2440 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true }, 2441 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true }, 2442 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true }, 2443 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true }, 2444 [tegra_clk_osc] = { .dt_id = TEGRA210_CLK_OSC, .present = true }, 2445 [tegra_clk_osc_div2] = { .dt_id = TEGRA210_CLK_OSC_DIV2, .present = true }, 2446 [tegra_clk_osc_div4] = { .dt_id = TEGRA210_CLK_OSC_DIV4, .present = true }, 2447 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true }, 2448 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true }, 2449 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true }, 2450 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true }, 2451 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true }, 2452 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true }, 2453 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true }, 2454 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true }, 2455 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true }, 2456 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true }, 2457 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true }, 2458 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true }, 2459 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true }, 2460 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true }, 2461 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true }, 2462 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true }, 2463 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true }, 2464 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true }, 2465 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true }, 2466 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true }, 2467 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true }, 2468 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true }, 2469 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true }, 2470 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true }, 2471 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true }, 2472 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true }, 2473 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true }, 2474 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true }, 2475 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true }, 2476 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true }, 2477 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true }, 2478 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true }, 2479 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true }, 2480 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true }, 2481 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true }, 2482 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true }, 2483 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true }, 2484 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true }, 2485 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true }, 2486 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true }, 2487 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true }, 2488 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true }, 2489 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true }, 2490 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true }, 2491 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true }, 2492 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true }, 2493 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true }, 2494 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true }, 2495 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true }, 2496 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true }, 2497 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true }, 2498 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true }, 2499 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true }, 2500 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true }, 2501 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true }, 2502 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true }, 2503 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true }, 2504 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true }, 2505 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true }, 2506 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true }, 2507 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true }, 2508 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true }, 2509 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true }, 2510 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true }, 2511 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true }, 2512 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true }, 2513 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true }, 2514 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true }, 2515 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true }, 2516 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true }, 2517 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true }, 2518 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true }, 2519 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true }, 2520 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true }, 2521 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true }, 2522 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true }, 2523 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true }, 2524 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true }, 2525 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true }, 2526 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true }, 2527 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true }, 2528 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true }, 2529 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true }, 2530 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true }, 2531 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true }, 2532 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true }, 2533 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true }, 2534 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true }, 2535 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true }, 2536 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true }, 2537 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true }, 2538 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true }, 2539 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true }, 2540 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true }, 2541 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true }, 2542 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true }, 2543 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true }, 2544 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true }, 2545 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true }, 2546 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true }, 2547 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true }, 2548 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true }, 2549 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true }, 2550 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true }, 2551 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true }, 2552 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true }, 2553 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true }, 2554 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true }, 2555 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true }, 2556 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true }, 2557 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true }, 2558 }; 2559 2560 static struct tegra_devclk devclks[] __initdata = { 2561 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M }, 2562 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF }, 2563 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K }, 2564 { .con_id = "osc", .dt_id = TEGRA210_CLK_OSC }, 2565 { .con_id = "osc_div2", .dt_id = TEGRA210_CLK_OSC_DIV2 }, 2566 { .con_id = "osc_div4", .dt_id = TEGRA210_CLK_OSC_DIV4 }, 2567 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C }, 2568 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 }, 2569 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 }, 2570 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 }, 2571 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P }, 2572 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 }, 2573 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 }, 2574 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 }, 2575 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 }, 2576 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M }, 2577 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X }, 2578 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 }, 2579 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U }, 2580 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT }, 2581 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 }, 2582 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 }, 2583 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M }, 2584 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M }, 2585 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M }, 2586 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D }, 2587 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 }, 2588 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 }, 2589 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 }, 2590 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A }, 2591 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 }, 2592 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO }, 2593 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT }, 2594 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC }, 2595 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC }, 2596 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC }, 2597 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC }, 2598 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC }, 2599 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC }, 2600 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC }, 2601 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 }, 2602 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 }, 2603 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 }, 2604 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 }, 2605 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 }, 2606 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF }, 2607 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X }, 2608 { .con_id = "extern1", .dt_id = TEGRA210_CLK_EXTERN1 }, 2609 { .con_id = "extern2", .dt_id = TEGRA210_CLK_EXTERN2 }, 2610 { .con_id = "extern3", .dt_id = TEGRA210_CLK_EXTERN3 }, 2611 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G }, 2612 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP }, 2613 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK }, 2614 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK }, 2615 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK }, 2616 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE }, 2617 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC }, 2618 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER }, 2619 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 }, 2620 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 }, 2621 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 }, 2622 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 }, 2623 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX }, 2624 }; 2625 2626 static struct tegra_audio_clk_info tegra210_audio_plls[] = { 2627 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" }, 2628 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" }, 2629 }; 2630 2631 static const char * const aclk_parents[] = { 2632 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3", 2633 "clk_m" 2634 }; 2635 2636 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC }; 2637 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG }; 2638 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X, 2639 TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 }; 2640 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA, 2641 TEGRA210_CLK_HOST1X}; 2642 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2643 TEGRA210_CLK_XUSB_DEV }; 2644 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2645 TEGRA210_CLK_XUSB_SS }; 2646 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV, 2647 TEGRA210_CLK_XUSB_SS }; 2648 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X, 2649 TEGRA210_CLK_PLL_D }; 2650 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK, 2651 TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2, 2652 TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT, 2653 TEGRA210_CLK_D_AUDIO }; 2654 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X }; 2655 2656 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = { 2657 [TEGRA_POWERGATE_VENC] = { 2658 .handle_lvl2_ovr = tegra210_venc_mbist_war, 2659 .num_clks = ARRAY_SIZE(venc_slcg_clkids), 2660 .clk_init_data = venc_slcg_clkids, 2661 }, 2662 [TEGRA_POWERGATE_SATA] = { 2663 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2664 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2665 .lvl2_mask = BIT(0) | BIT(17) | BIT(19), 2666 }, 2667 [TEGRA_POWERGATE_MPE] = { 2668 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2669 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2670 .lvl2_mask = BIT(29), 2671 }, 2672 [TEGRA_POWERGATE_SOR] = { 2673 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2674 .num_clks = ARRAY_SIZE(sor_slcg_clkids), 2675 .clk_init_data = sor_slcg_clkids, 2676 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2677 .lvl2_mask = BIT(1) | BIT(2), 2678 }, 2679 [TEGRA_POWERGATE_DIS] = { 2680 .handle_lvl2_ovr = tegra210_disp_mbist_war, 2681 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2682 .clk_init_data = disp_slcg_clkids, 2683 }, 2684 [TEGRA_POWERGATE_DISB] = { 2685 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2686 .clk_init_data = disp_slcg_clkids, 2687 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2688 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2689 .lvl2_mask = BIT(2), 2690 }, 2691 [TEGRA_POWERGATE_XUSBA] = { 2692 .num_clks = ARRAY_SIZE(xusba_slcg_clkids), 2693 .clk_init_data = xusba_slcg_clkids, 2694 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2695 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2696 .lvl2_mask = BIT(30) | BIT(31), 2697 }, 2698 [TEGRA_POWERGATE_XUSBB] = { 2699 .num_clks = ARRAY_SIZE(xusbb_slcg_clkids), 2700 .clk_init_data = xusbb_slcg_clkids, 2701 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2702 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2703 .lvl2_mask = BIT(30) | BIT(31), 2704 }, 2705 [TEGRA_POWERGATE_XUSBC] = { 2706 .num_clks = ARRAY_SIZE(xusbc_slcg_clkids), 2707 .clk_init_data = xusbc_slcg_clkids, 2708 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2709 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2710 .lvl2_mask = BIT(30) | BIT(31), 2711 }, 2712 [TEGRA_POWERGATE_VIC] = { 2713 .num_clks = ARRAY_SIZE(vic_slcg_clkids), 2714 .clk_init_data = vic_slcg_clkids, 2715 .handle_lvl2_ovr = tegra210_vic_mbist_war, 2716 }, 2717 [TEGRA_POWERGATE_NVDEC] = { 2718 .num_clks = ARRAY_SIZE(nvdec_slcg_clkids), 2719 .clk_init_data = nvdec_slcg_clkids, 2720 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2721 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2722 .lvl2_mask = BIT(9) | BIT(31), 2723 }, 2724 [TEGRA_POWERGATE_NVJPG] = { 2725 .num_clks = ARRAY_SIZE(nvjpg_slcg_clkids), 2726 .clk_init_data = nvjpg_slcg_clkids, 2727 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2728 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2729 .lvl2_mask = BIT(9) | BIT(31), 2730 }, 2731 [TEGRA_POWERGATE_AUD] = { 2732 .num_clks = ARRAY_SIZE(ape_slcg_clkids), 2733 .clk_init_data = ape_slcg_clkids, 2734 .handle_lvl2_ovr = tegra210_ape_mbist_war, 2735 }, 2736 [TEGRA_POWERGATE_VE2] = { 2737 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2738 .lvl2_offset = LVL2_CLK_GATE_OVRD, 2739 .lvl2_mask = BIT(22), 2740 }, 2741 }; 2742 2743 int tegra210_clk_handle_mbist_war(unsigned int id) 2744 { 2745 int err; 2746 struct tegra210_domain_mbist_war *mbist_war; 2747 2748 if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) { 2749 WARN(1, "unknown domain id in MBIST WAR handler\n"); 2750 return -EINVAL; 2751 } 2752 2753 mbist_war = &tegra210_pg_mbist_war[id]; 2754 if (!mbist_war->handle_lvl2_ovr) 2755 return 0; 2756 2757 if (mbist_war->num_clks && !mbist_war->clks) 2758 return -ENODEV; 2759 2760 err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks); 2761 if (err < 0) 2762 return err; 2763 2764 mutex_lock(&lvl2_ovr_lock); 2765 2766 mbist_war->handle_lvl2_ovr(mbist_war); 2767 2768 mutex_unlock(&lvl2_ovr_lock); 2769 2770 clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks); 2771 2772 return 0; 2773 } 2774 2775 void tegra210_put_utmipll_in_iddq(void) 2776 { 2777 u32 reg; 2778 2779 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2780 2781 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) { 2782 pr_err("trying to assert IDDQ while UTMIPLL is locked\n"); 2783 return; 2784 } 2785 2786 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2787 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2788 } 2789 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq); 2790 2791 void tegra210_put_utmipll_out_iddq(void) 2792 { 2793 u32 reg; 2794 2795 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2796 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2797 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2798 } 2799 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq); 2800 2801 static void tegra210_utmi_param_configure(void) 2802 { 2803 u32 reg; 2804 int i; 2805 2806 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 2807 if (osc_freq == utmi_parameters[i].osc_frequency) 2808 break; 2809 } 2810 2811 if (i >= ARRAY_SIZE(utmi_parameters)) { 2812 pr_err("%s: Unexpected oscillator freq %lu\n", __func__, 2813 osc_freq); 2814 return; 2815 } 2816 2817 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2818 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2819 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2820 2821 udelay(10); 2822 2823 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2824 2825 /* Program UTMIP PLL stable and active counts */ 2826 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ 2827 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 2828 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count); 2829 2830 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 2831 reg |= 2832 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count); 2833 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2834 2835 /* Program UTMIP PLL delay and oscillator frequency counts */ 2836 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2837 2838 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 2839 reg |= 2840 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count); 2841 2842 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 2843 reg |= 2844 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count); 2845 2846 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 2847 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2848 2849 /* Remove power downs from UTMIP PLL control bits */ 2850 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2851 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2852 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2853 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2854 2855 udelay(20); 2856 2857 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */ 2858 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2859 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP; 2860 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP; 2861 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP; 2862 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 2863 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 2864 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN; 2865 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2866 2867 /* Setup HW control of UTMIPLL */ 2868 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2869 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2870 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2871 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2872 2873 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2874 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET; 2875 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL; 2876 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2877 2878 udelay(1); 2879 2880 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2881 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY; 2882 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2883 2884 udelay(1); 2885 2886 /* Enable HW control UTMIPLL */ 2887 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2888 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE; 2889 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2890 } 2891 2892 static int tegra210_enable_pllu(void) 2893 { 2894 struct tegra_clk_pll_freq_table *fentry; 2895 struct tegra_clk_pll pllu; 2896 u32 reg; 2897 int ret; 2898 2899 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) { 2900 if (fentry->input_rate == pll_ref_freq) 2901 break; 2902 } 2903 2904 if (!fentry->input_rate) { 2905 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq); 2906 return -EINVAL; 2907 } 2908 2909 /* clear IDDQ bit */ 2910 pllu.params = &pll_u_vco_params; 2911 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]); 2912 reg &= ~BIT(pllu.params->iddq_bit_idx); 2913 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]); 2914 fence_udelay(5, clk_base); 2915 2916 reg = readl_relaxed(clk_base + PLLU_BASE); 2917 reg &= ~GENMASK(20, 0); 2918 reg |= fentry->m; 2919 reg |= fentry->n << 8; 2920 reg |= fentry->p << 16; 2921 writel(reg, clk_base + PLLU_BASE); 2922 fence_udelay(1, clk_base); 2923 reg |= PLL_ENABLE; 2924 writel(reg, clk_base + PLLU_BASE); 2925 2926 /* 2927 * During clocks resume, same PLLU init and enable sequence get 2928 * executed. So, readx_poll_timeout_atomic can't be used here as it 2929 * uses ktime_get() and timekeeping resume doesn't happen by that 2930 * time. So, using tegra210_wait_for_mask for PLL LOCK. 2931 */ 2932 ret = tegra210_wait_for_mask(&pllu, PLLU_BASE, PLL_BASE_LOCK); 2933 if (ret) { 2934 pr_err("Timed out waiting for PLL_U to lock\n"); 2935 return -ETIMEDOUT; 2936 } 2937 2938 return 0; 2939 } 2940 2941 static int tegra210_init_pllu(void) 2942 { 2943 u32 reg; 2944 int err; 2945 2946 tegra210_pllu_set_defaults(&pll_u_vco_params); 2947 /* skip initialization when pllu is in hw controlled mode */ 2948 reg = readl_relaxed(clk_base + PLLU_BASE); 2949 if (reg & PLLU_BASE_OVERRIDE) { 2950 if (!(reg & PLL_ENABLE)) { 2951 err = tegra210_enable_pllu(); 2952 if (err < 0) { 2953 WARN_ON(1); 2954 return err; 2955 } 2956 } 2957 /* enable hw controlled mode */ 2958 reg = readl_relaxed(clk_base + PLLU_BASE); 2959 reg &= ~PLLU_BASE_OVERRIDE; 2960 writel(reg, clk_base + PLLU_BASE); 2961 2962 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2963 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE | 2964 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT | 2965 PLLU_HW_PWRDN_CFG0_USE_LOCKDET; 2966 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL | 2967 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL); 2968 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2969 2970 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2971 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK; 2972 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2973 fence_udelay(1, clk_base); 2974 2975 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2976 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE; 2977 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2978 fence_udelay(1, clk_base); 2979 2980 reg = readl_relaxed(clk_base + PLLU_BASE); 2981 reg &= ~PLLU_BASE_CLKENABLE_USB; 2982 writel_relaxed(reg, clk_base + PLLU_BASE); 2983 } 2984 2985 /* enable UTMIPLL hw control if not yet done by the bootloader */ 2986 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2987 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE)) 2988 tegra210_utmi_param_configure(); 2989 2990 return 0; 2991 } 2992 2993 /* 2994 * The SOR hardware blocks are driven by two clocks: a module clock that is 2995 * used to access registers and a pixel clock that is sourced from the same 2996 * pixel clock that also drives the head attached to the SOR. The module 2997 * clock is typically called sorX (with X being the SOR instance) and the 2998 * pixel clock is called sorX_out. The source for the SOR pixel clock is 2999 * referred to as the "parent" clock. 3000 * 3001 * On Tegra186 and newer, clocks are provided by the BPMP. Unfortunately the 3002 * BPMP implementation for the SOR clocks doesn't exactly match the above in 3003 * some aspects. For example, the SOR module is really clocked by the pad or 3004 * sor_safe clocks, but BPMP models the sorX clock as being sourced by the 3005 * pixel clocks. Conversely the sorX_out clock is sourced by the sor_safe or 3006 * pad clocks on BPMP. 3007 * 3008 * In order to allow the display driver to deal with all SoC generations in 3009 * a unified way, implement the BPMP semantics in this driver. 3010 */ 3011 3012 static const char * const sor0_parents[] = { 3013 "pll_d_out0", 3014 }; 3015 3016 static const char * const sor0_out_parents[] = { 3017 "sor_safe", "sor0_pad_clkout", 3018 }; 3019 3020 static const char * const sor1_parents[] = { 3021 "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m", 3022 }; 3023 3024 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 }; 3025 3026 static const struct clk_div_table mc_div_table_tegra210[] = { 3027 { .val = 0, .div = 2 }, 3028 { .val = 1, .div = 4 }, 3029 { .val = 2, .div = 1 }, 3030 { .val = 3, .div = 2 }, 3031 { .val = 0, .div = 0 }, 3032 }; 3033 3034 static void tegra210_clk_register_mc(const char *name, 3035 const char *parent_name) 3036 { 3037 struct clk *clk; 3038 3039 clk = clk_register_divider_table(NULL, name, parent_name, 3040 CLK_IS_CRITICAL, 3041 clk_base + CLK_SOURCE_EMC, 3042 15, 2, CLK_DIVIDER_READ_ONLY, 3043 mc_div_table_tegra210, &emc_lock); 3044 clks[TEGRA210_CLK_MC] = clk; 3045 } 3046 3047 static const char * const sor1_out_parents[] = { 3048 /* 3049 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so 3050 * the sor1_pad_clkout parent appears twice in the list below. This is 3051 * merely to support clk_get_parent() if firmware happened to set 3052 * these bits to 0b11. While not an invalid setting, code should 3053 * always set the bits to 0b01 to select sor1_pad_clkout. 3054 */ 3055 "sor_safe", "sor1_pad_clkout", "sor1_out", "sor1_pad_clkout", 3056 }; 3057 3058 static struct tegra_periph_init_data tegra210_periph[] = { 3059 /* 3060 * On Tegra210, the sor0 clock doesn't have a mux it bitfield 31:29, 3061 * but it is hardwired to the pll_d_out0 clock. 3062 */ 3063 TEGRA_INIT_DATA_TABLE("sor0", NULL, NULL, sor0_parents, 3064 CLK_SOURCE_SOR0, 29, 0x0, 0, 0, 0, 0, 3065 0, 182, 0, tegra_clk_sor0, NULL, 0, 3066 &sor0_lock), 3067 TEGRA_INIT_DATA_TABLE("sor0_out", NULL, NULL, sor0_out_parents, 3068 CLK_SOURCE_SOR0, 14, 0x1, 0, 0, 0, 0, 3069 0, 0, TEGRA_PERIPH_NO_GATE, tegra_clk_sor0_out, 3070 NULL, 0, &sor0_lock), 3071 TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents, 3072 CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1, 3073 TEGRA_DIVIDER_ROUND_UP, 183, 0, 3074 tegra_clk_sor1, sor1_parents_idx, 0, 3075 &sor1_lock), 3076 TEGRA_INIT_DATA_TABLE("sor1_out", NULL, NULL, sor1_out_parents, 3077 CLK_SOURCE_SOR1, 14, 0x3, 0, 0, 0, 0, 3078 0, 0, TEGRA_PERIPH_NO_GATE, 3079 tegra_clk_sor1_out, NULL, 0, &sor1_lock), 3080 }; 3081 3082 static const char * const la_parents[] = { 3083 "pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0" 3084 }; 3085 3086 static struct tegra_clk_periph tegra210_la = 3087 TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, NULL); 3088 3089 static __init void tegra210_periph_clk_init(struct device_node *np, 3090 void __iomem *clk_base, 3091 void __iomem *pmc_base) 3092 { 3093 struct clk *clk; 3094 unsigned int i; 3095 3096 /* xusb_ss_div2 */ 3097 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, 3098 1, 2); 3099 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk; 3100 3101 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base, 3102 1, 17, 222); 3103 clks[TEGRA210_CLK_SOR_SAFE] = clk; 3104 3105 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base, 3106 1, 17, 181); 3107 clks[TEGRA210_CLK_DPAUX] = clk; 3108 3109 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base, 3110 1, 17, 207); 3111 clks[TEGRA210_CLK_DPAUX1] = clk; 3112 3113 /* pll_d_dsi_out */ 3114 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, 3115 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); 3116 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk; 3117 3118 /* dsia */ 3119 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0, 3120 clk_base, 0, 48, 3121 periph_clk_enb_refcnt); 3122 clks[TEGRA210_CLK_DSIA] = clk; 3123 3124 /* dsib */ 3125 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0, 3126 clk_base, 0, 82, 3127 periph_clk_enb_refcnt); 3128 clks[TEGRA210_CLK_DSIB] = clk; 3129 3130 /* csi_tpg */ 3131 clk = clk_register_gate(NULL, "csi_tpg", "pll_d", 3132 CLK_SET_RATE_PARENT, clk_base + PLLD_BASE, 3133 23, 0, &pll_d_lock); 3134 clk_register_clkdev(clk, "csi_tpg", NULL); 3135 clks[TEGRA210_CLK_CSI_TPG] = clk; 3136 3137 /* la */ 3138 clk = tegra_clk_register_periph("la", la_parents, 3139 ARRAY_SIZE(la_parents), &tegra210_la, clk_base, 3140 CLK_SOURCE_LA, 0); 3141 clks[TEGRA210_CLK_LA] = clk; 3142 3143 /* cml0 */ 3144 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 3145 0, 0, &pll_e_lock); 3146 clk_register_clkdev(clk, "cml0", NULL); 3147 clks[TEGRA210_CLK_CML0] = clk; 3148 3149 /* cml1 */ 3150 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 3151 1, 0, &pll_e_lock); 3152 clk_register_clkdev(clk, "cml1", NULL); 3153 clks[TEGRA210_CLK_CML1] = clk; 3154 3155 clk = tegra_clk_register_super_clk("aclk", aclk_parents, 3156 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0, 3157 0, NULL); 3158 clks[TEGRA210_CLK_ACLK] = clk; 3159 3160 clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base, 3161 CLK_SOURCE_SDMMC2, 9, 3162 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3163 clks[TEGRA210_CLK_SDMMC2] = clk; 3164 3165 clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base, 3166 CLK_SOURCE_SDMMC4, 15, 3167 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3168 clks[TEGRA210_CLK_SDMMC4] = clk; 3169 3170 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) { 3171 struct tegra_periph_init_data *init = &tegra210_periph[i]; 3172 struct clk **clkp; 3173 3174 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks); 3175 if (!clkp) { 3176 pr_warn("clock %u not found\n", init->clk_id); 3177 continue; 3178 } 3179 3180 clk = tegra_clk_register_periph_data(clk_base, init); 3181 *clkp = clk; 3182 } 3183 3184 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); 3185 3186 /* emc */ 3187 clk = tegra210_clk_register_emc(np, clk_base); 3188 clks[TEGRA210_CLK_EMC] = clk; 3189 3190 /* mc */ 3191 tegra210_clk_register_mc("mc", "emc"); 3192 } 3193 3194 static void __init tegra210_pll_init(void __iomem *clk_base, 3195 void __iomem *pmc) 3196 { 3197 struct clk *clk; 3198 3199 /* PLLC */ 3200 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base, 3201 pmc, 0, &pll_c_params, NULL); 3202 if (!WARN_ON(IS_ERR(clk))) 3203 clk_register_clkdev(clk, "pll_c", NULL); 3204 clks[TEGRA210_CLK_PLL_C] = clk; 3205 3206 /* PLLC_OUT1 */ 3207 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 3208 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3209 8, 8, 1, NULL); 3210 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 3211 clk_base + PLLC_OUT, 1, 0, 3212 CLK_SET_RATE_PARENT, 0, NULL); 3213 clk_register_clkdev(clk, "pll_c_out1", NULL); 3214 clks[TEGRA210_CLK_PLL_C_OUT1] = clk; 3215 3216 /* PLLC_UD */ 3217 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c", 3218 CLK_SET_RATE_PARENT, 1, 1); 3219 clk_register_clkdev(clk, "pll_c_ud", NULL); 3220 clks[TEGRA210_CLK_PLL_C_UD] = clk; 3221 3222 /* PLLC2 */ 3223 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base, 3224 pmc, 0, &pll_c2_params, NULL); 3225 clk_register_clkdev(clk, "pll_c2", NULL); 3226 clks[TEGRA210_CLK_PLL_C2] = clk; 3227 3228 /* PLLC3 */ 3229 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base, 3230 pmc, 0, &pll_c3_params, NULL); 3231 clk_register_clkdev(clk, "pll_c3", NULL); 3232 clks[TEGRA210_CLK_PLL_C3] = clk; 3233 3234 /* PLLM */ 3235 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc, 3236 CLK_SET_RATE_GATE, &pll_m_params, NULL); 3237 clk_register_clkdev(clk, "pll_m", NULL); 3238 clks[TEGRA210_CLK_PLL_M] = clk; 3239 3240 /* PLLMB */ 3241 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc, 3242 CLK_SET_RATE_GATE, &pll_mb_params, NULL); 3243 clk_register_clkdev(clk, "pll_mb", NULL); 3244 clks[TEGRA210_CLK_PLL_MB] = clk; 3245 3246 /* PLLM_UD */ 3247 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", 3248 CLK_SET_RATE_PARENT, 1, 1); 3249 clk_register_clkdev(clk, "pll_m_ud", NULL); 3250 clks[TEGRA210_CLK_PLL_M_UD] = clk; 3251 3252 /* PLLMB_UD */ 3253 clk = clk_register_fixed_factor(NULL, "pll_mb_ud", "pll_mb", 3254 CLK_SET_RATE_PARENT, 1, 1); 3255 clk_register_clkdev(clk, "pll_mb_ud", NULL); 3256 clks[TEGRA210_CLK_PLL_MB_UD] = clk; 3257 3258 /* PLLP_UD */ 3259 clk = clk_register_fixed_factor(NULL, "pll_p_ud", "pll_p", 3260 0, 1, 1); 3261 clks[TEGRA210_CLK_PLL_P_UD] = clk; 3262 3263 /* PLLU_VCO */ 3264 if (!tegra210_init_pllu()) { 3265 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0, 3266 480*1000*1000); 3267 clk_register_clkdev(clk, "pll_u_vco", NULL); 3268 clks[TEGRA210_CLK_PLL_U] = clk; 3269 } 3270 3271 /* PLLU_OUT */ 3272 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0, 3273 clk_base + PLLU_BASE, 16, 4, 0, 3274 pll_vco_post_div_table, NULL); 3275 clk_register_clkdev(clk, "pll_u_out", NULL); 3276 clks[TEGRA210_CLK_PLL_U_OUT] = clk; 3277 3278 /* PLLU_OUT1 */ 3279 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out", 3280 clk_base + PLLU_OUTA, 0, 3281 TEGRA_DIVIDER_ROUND_UP, 3282 8, 8, 1, &pll_u_lock); 3283 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div", 3284 clk_base + PLLU_OUTA, 1, 0, 3285 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3286 clk_register_clkdev(clk, "pll_u_out1", NULL); 3287 clks[TEGRA210_CLK_PLL_U_OUT1] = clk; 3288 3289 /* PLLU_OUT2 */ 3290 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out", 3291 clk_base + PLLU_OUTA, 0, 3292 TEGRA_DIVIDER_ROUND_UP, 3293 24, 8, 1, &pll_u_lock); 3294 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div", 3295 clk_base + PLLU_OUTA, 17, 16, 3296 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3297 clk_register_clkdev(clk, "pll_u_out2", NULL); 3298 clks[TEGRA210_CLK_PLL_U_OUT2] = clk; 3299 3300 /* PLLU_480M */ 3301 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco", 3302 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3303 22, 0, &pll_u_lock); 3304 clk_register_clkdev(clk, "pll_u_480M", NULL); 3305 clks[TEGRA210_CLK_PLL_U_480M] = clk; 3306 3307 /* PLLU_60M */ 3308 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2", 3309 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3310 23, 0, &pll_u_lock); 3311 clk_register_clkdev(clk, "pll_u_60M", NULL); 3312 clks[TEGRA210_CLK_PLL_U_60M] = clk; 3313 3314 /* PLLU_48M */ 3315 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1", 3316 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3317 25, 0, &pll_u_lock); 3318 clk_register_clkdev(clk, "pll_u_48M", NULL); 3319 clks[TEGRA210_CLK_PLL_U_48M] = clk; 3320 3321 /* PLLD */ 3322 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, 3323 &pll_d_params, &pll_d_lock); 3324 clk_register_clkdev(clk, "pll_d", NULL); 3325 clks[TEGRA210_CLK_PLL_D] = clk; 3326 3327 /* PLLD_OUT0 */ 3328 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 3329 CLK_SET_RATE_PARENT, 1, 2); 3330 clk_register_clkdev(clk, "pll_d_out0", NULL); 3331 clks[TEGRA210_CLK_PLL_D_OUT0] = clk; 3332 3333 /* PLLRE */ 3334 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref", 3335 clk_base, pmc, 0, 3336 &pll_re_vco_params, 3337 &pll_re_lock, pll_ref_freq); 3338 clk_register_clkdev(clk, "pll_re_vco", NULL); 3339 clks[TEGRA210_CLK_PLL_RE_VCO] = clk; 3340 3341 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, 3342 clk_base + PLLRE_BASE, 16, 5, 0, 3343 pll_vco_post_div_table, &pll_re_lock); 3344 clk_register_clkdev(clk, "pll_re_out", NULL); 3345 clks[TEGRA210_CLK_PLL_RE_OUT] = clk; 3346 3347 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco", 3348 clk_base + PLLRE_OUT1, 0, 3349 TEGRA_DIVIDER_ROUND_UP, 3350 8, 8, 1, NULL); 3351 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div", 3352 clk_base + PLLRE_OUT1, 1, 0, 3353 CLK_SET_RATE_PARENT, 0, NULL); 3354 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk; 3355 3356 /* PLLE */ 3357 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref", 3358 clk_base, 0, &pll_e_params, NULL); 3359 clk_register_clkdev(clk, "pll_e", NULL); 3360 clks[TEGRA210_CLK_PLL_E] = clk; 3361 3362 /* PLLC4 */ 3363 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc, 3364 0, &pll_c4_vco_params, NULL, pll_ref_freq); 3365 clk_register_clkdev(clk, "pll_c4_vco", NULL); 3366 clks[TEGRA210_CLK_PLL_C4] = clk; 3367 3368 /* PLLC4_OUT0 */ 3369 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0, 3370 clk_base + PLLC4_BASE, 19, 4, 0, 3371 pll_vco_post_div_table, NULL); 3372 clk_register_clkdev(clk, "pll_c4_out0", NULL); 3373 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk; 3374 3375 /* PLLC4_OUT1 */ 3376 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco", 3377 CLK_SET_RATE_PARENT, 1, 3); 3378 clk_register_clkdev(clk, "pll_c4_out1", NULL); 3379 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk; 3380 3381 /* PLLC4_OUT2 */ 3382 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco", 3383 CLK_SET_RATE_PARENT, 1, 5); 3384 clk_register_clkdev(clk, "pll_c4_out2", NULL); 3385 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk; 3386 3387 /* PLLC4_OUT3 */ 3388 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0", 3389 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3390 8, 8, 1, NULL); 3391 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div", 3392 clk_base + PLLC4_OUT, 1, 0, 3393 CLK_SET_RATE_PARENT, 0, NULL); 3394 clk_register_clkdev(clk, "pll_c4_out3", NULL); 3395 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk; 3396 3397 /* PLLDP */ 3398 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base, 3399 0, &pll_dp_params, NULL); 3400 clk_register_clkdev(clk, "pll_dp", NULL); 3401 clks[TEGRA210_CLK_PLL_DP] = clk; 3402 3403 /* PLLD2 */ 3404 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base, 3405 0, &pll_d2_params, NULL); 3406 clk_register_clkdev(clk, "pll_d2", NULL); 3407 clks[TEGRA210_CLK_PLL_D2] = clk; 3408 3409 /* PLLD2_OUT0 */ 3410 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 3411 CLK_SET_RATE_PARENT, 1, 1); 3412 clk_register_clkdev(clk, "pll_d2_out0", NULL); 3413 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk; 3414 3415 /* PLLP_OUT2 */ 3416 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p", 3417 CLK_SET_RATE_PARENT, 1, 2); 3418 clk_register_clkdev(clk, "pll_p_out2", NULL); 3419 clks[TEGRA210_CLK_PLL_P_OUT2] = clk; 3420 3421 } 3422 3423 /* Tegra210 CPU clock and reset control functions */ 3424 static void tegra210_wait_cpu_in_reset(u32 cpu) 3425 { 3426 unsigned int reg; 3427 3428 do { 3429 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 3430 cpu_relax(); 3431 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 3432 } 3433 3434 static void tegra210_disable_cpu_clock(u32 cpu) 3435 { 3436 /* flow controller would take care in the power sequence. */ 3437 } 3438 3439 #ifdef CONFIG_PM_SLEEP 3440 #define car_readl(_base, _off) readl_relaxed(clk_base + (_base) + ((_off) * 4)) 3441 #define car_writel(_val, _base, _off) \ 3442 writel_relaxed(_val, clk_base + (_base) + ((_off) * 4)) 3443 3444 static u32 spare_reg_ctx, misc_clk_enb_ctx, clk_msk_arm_ctx; 3445 static u32 cpu_softrst_ctx[3]; 3446 3447 static int tegra210_clk_suspend(void) 3448 { 3449 unsigned int i; 3450 3451 clk_save_context(); 3452 3453 /* 3454 * Save the bootloader configured clock registers SPARE_REG0, 3455 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL. 3456 */ 3457 spare_reg_ctx = readl_relaxed(clk_base + SPARE_REG0); 3458 misc_clk_enb_ctx = readl_relaxed(clk_base + MISC_CLK_ENB); 3459 clk_msk_arm_ctx = readl_relaxed(clk_base + CLK_MASK_ARM); 3460 3461 for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++) 3462 cpu_softrst_ctx[i] = car_readl(CPU_SOFTRST_CTRL, i); 3463 3464 tegra_clk_periph_suspend(); 3465 return 0; 3466 } 3467 3468 static void tegra210_clk_resume(void) 3469 { 3470 unsigned int i; 3471 3472 tegra_clk_osc_resume(clk_base); 3473 3474 /* 3475 * Restore the bootloader configured clock registers SPARE_REG0, 3476 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL from saved context. 3477 */ 3478 writel_relaxed(spare_reg_ctx, clk_base + SPARE_REG0); 3479 writel_relaxed(misc_clk_enb_ctx, clk_base + MISC_CLK_ENB); 3480 writel_relaxed(clk_msk_arm_ctx, clk_base + CLK_MASK_ARM); 3481 3482 for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++) 3483 car_writel(cpu_softrst_ctx[i], CPU_SOFTRST_CTRL, i); 3484 3485 /* 3486 * Tegra clock programming sequence recommends peripheral clock to 3487 * be enabled prior to changing its clock source and divider to 3488 * prevent glitchless frequency switch. 3489 * So, enable all peripheral clocks before restoring their source 3490 * and dividers. 3491 */ 3492 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_L, clk_base + CLK_OUT_ENB_L); 3493 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_H, clk_base + CLK_OUT_ENB_H); 3494 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_U, clk_base + CLK_OUT_ENB_U); 3495 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_V, clk_base + CLK_OUT_ENB_V); 3496 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_W, clk_base + CLK_OUT_ENB_W); 3497 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_X, clk_base + CLK_OUT_ENB_X); 3498 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_Y, clk_base + CLK_OUT_ENB_Y); 3499 3500 /* wait for all writes to happen to have all the clocks enabled */ 3501 fence_udelay(2, clk_base); 3502 3503 /* restore PLLs and all peripheral clock rates */ 3504 tegra210_init_pllu(); 3505 clk_restore_context(); 3506 3507 /* restore saved context of peripheral clocks and reset state */ 3508 tegra_clk_periph_resume(); 3509 } 3510 3511 static void tegra210_cpu_clock_suspend(void) 3512 { 3513 /* switch coresite to clk_m, save off original source */ 3514 tegra210_cpu_clk_sctx.clk_csite_src = 3515 readl(clk_base + CLK_SOURCE_CSITE); 3516 writel(3 << 30, clk_base + CLK_SOURCE_CSITE); 3517 } 3518 3519 static void tegra210_cpu_clock_resume(void) 3520 { 3521 writel(tegra210_cpu_clk_sctx.clk_csite_src, 3522 clk_base + CLK_SOURCE_CSITE); 3523 } 3524 #endif 3525 3526 static struct syscore_ops tegra_clk_syscore_ops = { 3527 #ifdef CONFIG_PM_SLEEP 3528 .suspend = tegra210_clk_suspend, 3529 .resume = tegra210_clk_resume, 3530 #endif 3531 }; 3532 3533 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = { 3534 .wait_for_reset = tegra210_wait_cpu_in_reset, 3535 .disable_clock = tegra210_disable_cpu_clock, 3536 #ifdef CONFIG_PM_SLEEP 3537 .suspend = tegra210_cpu_clock_suspend, 3538 .resume = tegra210_cpu_clock_resume, 3539 #endif 3540 }; 3541 3542 static const struct of_device_id pmc_match[] __initconst = { 3543 { .compatible = "nvidia,tegra210-pmc" }, 3544 { }, 3545 }; 3546 3547 static struct tegra_clk_init_table init_table[] __initdata = { 3548 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3549 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3550 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3551 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3552 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 0 }, 3553 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 0 }, 3554 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3555 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3556 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3557 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3558 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3559 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 }, 3560 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 }, 3561 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 }, 3562 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3563 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3564 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, 3565 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, 3566 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3567 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, 3568 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, 3569 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3570 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3571 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 }, 3572 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3573 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3574 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 }, 3575 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 }, 3576 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3577 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3578 /* TODO find a way to enable this on-demand */ 3579 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3580 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 }, 3581 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 }, 3582 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 }, 3583 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 }, 3584 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 }, 3585 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 }, 3586 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 }, 3587 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 }, 3588 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3589 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3590 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, 3591 { TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3592 { TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3593 { TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3594 { TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3595 { TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3596 { TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3597 { TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3598 { TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3599 { TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 }, 3600 { TEGRA210_CLK_PWM, TEGRA210_CLK_PLL_P, 48000000, 0 }, 3601 /* This MUST be the last entry. */ 3602 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 }, 3603 }; 3604 3605 /** 3606 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs 3607 * 3608 * Program an initial clock rate and enable or disable clocks needed 3609 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be 3610 * called by assigning a pointer to it to tegra_clk_apply_init_table - 3611 * this will be called as an arch_initcall. No return value. 3612 */ 3613 static void __init tegra210_clock_apply_init_table(void) 3614 { 3615 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX); 3616 } 3617 3618 /** 3619 * tegra210_car_barrier - wait for pending writes to the CAR to complete 3620 * 3621 * Wait for any outstanding writes to the CAR MMIO space from this CPU 3622 * to complete before continuing execution. No return value. 3623 */ 3624 static void tegra210_car_barrier(void) 3625 { 3626 readl_relaxed(clk_base + RST_DFLL_DVCO); 3627 } 3628 3629 /** 3630 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset 3631 * 3632 * Assert the reset line of the DFLL's DVCO. No return value. 3633 */ 3634 static void tegra210_clock_assert_dfll_dvco_reset(void) 3635 { 3636 u32 v; 3637 3638 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3639 v |= (1 << DVFS_DFLL_RESET_SHIFT); 3640 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3641 tegra210_car_barrier(); 3642 } 3643 3644 /** 3645 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset 3646 * 3647 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to 3648 * operate. No return value. 3649 */ 3650 static void tegra210_clock_deassert_dfll_dvco_reset(void) 3651 { 3652 u32 v; 3653 3654 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3655 v &= ~(1 << DVFS_DFLL_RESET_SHIFT); 3656 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3657 tegra210_car_barrier(); 3658 } 3659 3660 static int tegra210_reset_assert(unsigned long id) 3661 { 3662 if (id == TEGRA210_RST_DFLL_DVCO) 3663 tegra210_clock_assert_dfll_dvco_reset(); 3664 else if (id == TEGRA210_RST_ADSP) 3665 writel(GENMASK(26, 21) | BIT(7), 3666 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET); 3667 else 3668 return -EINVAL; 3669 3670 return 0; 3671 } 3672 3673 static int tegra210_reset_deassert(unsigned long id) 3674 { 3675 if (id == TEGRA210_RST_DFLL_DVCO) 3676 tegra210_clock_deassert_dfll_dvco_reset(); 3677 else if (id == TEGRA210_RST_ADSP) { 3678 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3679 /* 3680 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz) 3681 * a delay of 5us ensures that it's at least 3682 * 6 * adsp_cpu_cycle_period long. 3683 */ 3684 udelay(5); 3685 writel(GENMASK(26, 22) | BIT(7), 3686 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3687 } else 3688 return -EINVAL; 3689 3690 return 0; 3691 } 3692 3693 static void tegra210_mbist_clk_init(void) 3694 { 3695 unsigned int i, j; 3696 3697 for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) { 3698 unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks; 3699 struct clk_bulk_data *clk_data; 3700 3701 if (!num_clks) 3702 continue; 3703 3704 clk_data = kmalloc_array(num_clks, sizeof(*clk_data), 3705 GFP_KERNEL); 3706 if (WARN_ON(!clk_data)) 3707 return; 3708 3709 tegra210_pg_mbist_war[i].clks = clk_data; 3710 for (j = 0; j < num_clks; j++) { 3711 int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j]; 3712 struct clk *clk = clks[clk_id]; 3713 3714 if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) { 3715 kfree(clk_data); 3716 tegra210_pg_mbist_war[i].clks = NULL; 3717 break; 3718 } 3719 clk_data[j].clk = clk; 3720 } 3721 } 3722 } 3723 3724 /** 3725 * tegra210_clock_init - Tegra210-specific clock initialization 3726 * @np: struct device_node * of the DT node for the SoC CAR IP block 3727 * 3728 * Register most SoC clocks for the Tegra210 system-on-chip. Intended 3729 * to be called by the OF init code when a DT node with the 3730 * "nvidia,tegra210-car" string is encountered, and declared with 3731 * CLK_OF_DECLARE. No return value. 3732 */ 3733 static void __init tegra210_clock_init(struct device_node *np) 3734 { 3735 struct device_node *node; 3736 u32 value, clk_m_div; 3737 3738 clk_base = of_iomap(np, 0); 3739 if (!clk_base) { 3740 pr_err("ioremap tegra210 CAR failed\n"); 3741 return; 3742 } 3743 3744 node = of_find_matching_node(NULL, pmc_match); 3745 if (!node) { 3746 pr_err("Failed to find pmc node\n"); 3747 WARN_ON(1); 3748 return; 3749 } 3750 3751 pmc_base = of_iomap(node, 0); 3752 of_node_put(node); 3753 if (!pmc_base) { 3754 pr_err("Can't map pmc registers\n"); 3755 WARN_ON(1); 3756 return; 3757 } 3758 3759 ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K); 3760 if (!ahub_base) { 3761 pr_err("ioremap tegra210 APE failed\n"); 3762 return; 3763 } 3764 3765 dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K); 3766 if (!dispa_base) { 3767 pr_err("ioremap tegra210 DISPA failed\n"); 3768 return; 3769 } 3770 3771 vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K); 3772 if (!vic_base) { 3773 pr_err("ioremap tegra210 VIC failed\n"); 3774 return; 3775 } 3776 3777 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX, 3778 TEGRA210_CAR_BANK_COUNT); 3779 if (!clks) 3780 return; 3781 3782 value = readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT; 3783 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1; 3784 3785 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq, 3786 ARRAY_SIZE(tegra210_input_freq), clk_m_div, 3787 &osc_freq, &pll_ref_freq) < 0) 3788 return; 3789 3790 tegra_fixed_clk_init(tegra210_clks); 3791 tegra210_pll_init(clk_base, pmc_base); 3792 tegra210_periph_clk_init(np, clk_base, pmc_base); 3793 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, 3794 tegra210_audio_plls, 3795 ARRAY_SIZE(tegra210_audio_plls), 24576000); 3796 3797 /* For Tegra210, PLLD is the only source for DSIA & DSIB */ 3798 value = readl(clk_base + PLLD_BASE); 3799 value &= ~BIT(25); 3800 writel(value, clk_base + PLLD_BASE); 3801 3802 tegra_clk_apply_init_table = tegra210_clock_apply_init_table; 3803 3804 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks, 3805 &pll_x_params); 3806 tegra_init_special_resets(2, tegra210_reset_assert, 3807 tegra210_reset_deassert); 3808 3809 tegra_add_of_provider(np, of_clk_src_onecell_get); 3810 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 3811 3812 tegra210_mbist_clk_init(); 3813 3814 tegra_cpu_car_ops = &tegra210_cpu_car_ops; 3815 3816 register_syscore_ops(&tegra_clk_syscore_ops); 3817 } 3818 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init); 3819