1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2012-2014 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/delay.h> 13 #include <linux/export.h> 14 #include <linux/mutex.h> 15 #include <linux/clk/tegra.h> 16 #include <dt-bindings/clock/tegra210-car.h> 17 #include <dt-bindings/reset/tegra210-car.h> 18 #include <linux/iopoll.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_LA 0x1f8 37 #define CLK_SOURCE_SDMMC2 0x154 38 #define CLK_SOURCE_SDMMC4 0x164 39 40 #define PLLC_BASE 0x80 41 #define PLLC_OUT 0x84 42 #define PLLC_MISC0 0x88 43 #define PLLC_MISC1 0x8c 44 #define PLLC_MISC2 0x5d0 45 #define PLLC_MISC3 0x5d4 46 47 #define PLLC2_BASE 0x4e8 48 #define PLLC2_MISC0 0x4ec 49 #define PLLC2_MISC1 0x4f0 50 #define PLLC2_MISC2 0x4f4 51 #define PLLC2_MISC3 0x4f8 52 53 #define PLLC3_BASE 0x4fc 54 #define PLLC3_MISC0 0x500 55 #define PLLC3_MISC1 0x504 56 #define PLLC3_MISC2 0x508 57 #define PLLC3_MISC3 0x50c 58 59 #define PLLM_BASE 0x90 60 #define PLLM_MISC1 0x98 61 #define PLLM_MISC2 0x9c 62 #define PLLP_BASE 0xa0 63 #define PLLP_MISC0 0xac 64 #define PLLP_MISC1 0x680 65 #define PLLA_BASE 0xb0 66 #define PLLA_MISC0 0xbc 67 #define PLLA_MISC1 0xb8 68 #define PLLA_MISC2 0x5d8 69 #define PLLD_BASE 0xd0 70 #define PLLD_MISC0 0xdc 71 #define PLLD_MISC1 0xd8 72 #define PLLU_BASE 0xc0 73 #define PLLU_OUTA 0xc4 74 #define PLLU_MISC0 0xcc 75 #define PLLU_MISC1 0xc8 76 #define PLLX_BASE 0xe0 77 #define PLLX_MISC0 0xe4 78 #define PLLX_MISC1 0x510 79 #define PLLX_MISC2 0x514 80 #define PLLX_MISC3 0x518 81 #define PLLX_MISC4 0x5f0 82 #define PLLX_MISC5 0x5f4 83 #define PLLE_BASE 0xe8 84 #define PLLE_MISC0 0xec 85 #define PLLD2_BASE 0x4b8 86 #define PLLD2_MISC0 0x4bc 87 #define PLLD2_MISC1 0x570 88 #define PLLD2_MISC2 0x574 89 #define PLLD2_MISC3 0x578 90 #define PLLE_AUX 0x48c 91 #define PLLRE_BASE 0x4c4 92 #define PLLRE_MISC0 0x4c8 93 #define PLLRE_OUT1 0x4cc 94 #define PLLDP_BASE 0x590 95 #define PLLDP_MISC 0x594 96 97 #define PLLC4_BASE 0x5a4 98 #define PLLC4_MISC0 0x5a8 99 #define PLLC4_OUT 0x5e4 100 #define PLLMB_BASE 0x5e8 101 #define PLLMB_MISC1 0x5ec 102 #define PLLA1_BASE 0x6a4 103 #define PLLA1_MISC0 0x6a8 104 #define PLLA1_MISC1 0x6ac 105 #define PLLA1_MISC2 0x6b0 106 #define PLLA1_MISC3 0x6b4 107 108 #define PLLU_IDDQ_BIT 31 109 #define PLLCX_IDDQ_BIT 27 110 #define PLLRE_IDDQ_BIT 24 111 #define PLLA_IDDQ_BIT 25 112 #define PLLD_IDDQ_BIT 20 113 #define PLLSS_IDDQ_BIT 18 114 #define PLLM_IDDQ_BIT 5 115 #define PLLMB_IDDQ_BIT 17 116 #define PLLXP_IDDQ_BIT 3 117 118 #define PLLCX_RESET_BIT 30 119 120 #define PLL_BASE_LOCK BIT(27) 121 #define PLLCX_BASE_LOCK BIT(26) 122 #define PLLE_MISC_LOCK BIT(11) 123 #define PLLRE_MISC_LOCK BIT(27) 124 125 #define PLL_MISC_LOCK_ENABLE 18 126 #define PLLC_MISC_LOCK_ENABLE 24 127 #define PLLDU_MISC_LOCK_ENABLE 22 128 #define PLLU_MISC_LOCK_ENABLE 29 129 #define PLLE_MISC_LOCK_ENABLE 9 130 #define PLLRE_MISC_LOCK_ENABLE 30 131 #define PLLSS_MISC_LOCK_ENABLE 30 132 #define PLLP_MISC_LOCK_ENABLE 18 133 #define PLLM_MISC_LOCK_ENABLE 4 134 #define PLLMB_MISC_LOCK_ENABLE 16 135 #define PLLA_MISC_LOCK_ENABLE 28 136 #define PLLU_MISC_LOCK_ENABLE 29 137 #define PLLD_MISC_LOCK_ENABLE 18 138 139 #define PLLA_SDM_DIN_MASK 0xffff 140 #define PLLA_SDM_EN_MASK BIT(26) 141 142 #define PLLD_SDM_EN_MASK BIT(16) 143 144 #define PLLD2_SDM_EN_MASK BIT(31) 145 #define PLLD2_SSC_EN_MASK 0 146 147 #define PLLDP_SS_CFG 0x598 148 #define PLLDP_SDM_EN_MASK BIT(31) 149 #define PLLDP_SSC_EN_MASK BIT(30) 150 #define PLLDP_SS_CTRL1 0x59c 151 #define PLLDP_SS_CTRL2 0x5a0 152 153 #define PMC_PLLM_WB0_OVERRIDE 0x1dc 154 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0 155 156 #define UTMIP_PLL_CFG2 0x488 157 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6) 158 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) 159 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) 160 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1) 161 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) 162 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3) 163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) 164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5) 165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24) 166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25) 167 168 #define UTMIP_PLL_CFG1 0x484 169 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) 170 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) 171 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17) 172 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) 173 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15) 174 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) 175 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) 176 177 #define SATA_PLL_CFG0 0x490 178 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 179 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2) 180 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4) 181 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5) 182 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6) 183 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7) 184 185 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 186 #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24) 187 188 #define XUSBIO_PLL_CFG0 0x51c 189 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 190 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2) 191 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6) 192 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 193 #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24) 194 195 #define UTMIPLL_HW_PWRDN_CFG0 0x52c 196 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31) 197 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25) 198 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 199 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7) 200 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 201 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5) 202 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4) 203 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 204 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1) 205 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0) 206 207 #define PLLU_HW_PWRDN_CFG0 0x530 208 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28) 209 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 210 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7) 211 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 212 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 213 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0) 214 215 #define XUSB_PLL_CFG0 0x534 216 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff 217 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14) 218 219 #define SPARE_REG0 0x55c 220 #define CLK_M_DIVISOR_SHIFT 2 221 #define CLK_M_DIVISOR_MASK 0x3 222 223 #define RST_DFLL_DVCO 0x2f4 224 #define DVFS_DFLL_RESET_SHIFT 0 225 226 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8 227 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac 228 229 #define LVL2_CLK_GATE_OVRA 0xf8 230 #define LVL2_CLK_GATE_OVRC 0x3a0 231 #define LVL2_CLK_GATE_OVRD 0x3a4 232 #define LVL2_CLK_GATE_OVRE 0x554 233 234 /* I2S registers to handle during APE MBIST WAR */ 235 #define TEGRA210_I2S_BASE 0x1000 236 #define TEGRA210_I2S_SIZE 0x100 237 #define TEGRA210_I2S_CTRLS 5 238 #define TEGRA210_I2S_CG 0x88 239 #define TEGRA210_I2S_CTRL 0xa0 240 241 /* DISPA registers to handle during MBIST WAR */ 242 #define DC_CMD_DISPLAY_COMMAND 0xc8 243 #define DC_COM_DSC_TOP_CTL 0xcf8 244 245 /* VIC register to handle during MBIST WAR */ 246 #define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c 247 248 /* APE, DISPA and VIC base addesses needed for MBIST WAR */ 249 #define TEGRA210_AHUB_BASE 0x702d0000 250 #define TEGRA210_DISPA_BASE 0x54200000 251 #define TEGRA210_VIC_BASE 0x54340000 252 253 /* 254 * SDM fractional divisor is 16-bit 2's complement signed number within 255 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned 256 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to 257 * indicate that SDM is disabled. 258 * 259 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13 260 */ 261 #define PLL_SDM_COEFF BIT(13) 262 #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU)) 263 #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat) 264 /* This macro returns ndiv effective scaled to SDM range */ 265 #define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \ 266 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0)) 267 268 /* Tegra CPU clock and reset control regs */ 269 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 270 271 #ifdef CONFIG_PM_SLEEP 272 static struct cpu_clk_suspend_context { 273 u32 clk_csite_src; 274 } tegra210_cpu_clk_sctx; 275 #endif 276 277 struct tegra210_domain_mbist_war { 278 void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist); 279 const u32 lvl2_offset; 280 const u32 lvl2_mask; 281 const unsigned int num_clks; 282 const unsigned int *clk_init_data; 283 struct clk_bulk_data *clks; 284 }; 285 286 static struct clk **clks; 287 288 static void __iomem *clk_base; 289 static void __iomem *pmc_base; 290 static void __iomem *ahub_base; 291 static void __iomem *dispa_base; 292 static void __iomem *vic_base; 293 294 static unsigned long osc_freq; 295 static unsigned long pll_ref_freq; 296 297 static DEFINE_SPINLOCK(pll_d_lock); 298 static DEFINE_SPINLOCK(pll_e_lock); 299 static DEFINE_SPINLOCK(pll_re_lock); 300 static DEFINE_SPINLOCK(pll_u_lock); 301 static DEFINE_SPINLOCK(sor1_lock); 302 static DEFINE_SPINLOCK(emc_lock); 303 static DEFINE_MUTEX(lvl2_ovr_lock); 304 305 /* possible OSC frequencies in Hz */ 306 static unsigned long tegra210_input_freq[] = { 307 [5] = 38400000, 308 [8] = 12000000, 309 }; 310 311 static const char *mux_pllmcp_clkm[] = { 312 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb", 313 "pll_p", 314 }; 315 #define mux_pllmcp_clkm_idx NULL 316 317 #define PLL_ENABLE (1 << 30) 318 319 #define PLLCX_MISC1_IDDQ (1 << 27) 320 #define PLLCX_MISC0_RESET (1 << 30) 321 322 #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000 323 #define PLLCX_MISC0_WRITE_MASK 0x400ffffb 324 #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000 325 #define PLLCX_MISC1_WRITE_MASK 0x08003cff 326 #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05 327 #define PLLCX_MISC2_WRITE_MASK 0xffffff17 328 #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4 329 #define PLLCX_MISC3_WRITE_MASK 0x00ffffff 330 331 /* PLLA */ 332 #define PLLA_BASE_IDDQ (1 << 25) 333 #define PLLA_BASE_LOCK (1 << 27) 334 335 #define PLLA_MISC0_LOCK_ENABLE (1 << 28) 336 #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27) 337 338 #define PLLA_MISC2_EN_SDM (1 << 26) 339 #define PLLA_MISC2_EN_DYNRAMP (1 << 25) 340 341 #define PLLA_MISC0_DEFAULT_VALUE 0x12000020 342 #define PLLA_MISC0_WRITE_MASK 0x7fffffff 343 #define PLLA_MISC2_DEFAULT_VALUE 0x0 344 #define PLLA_MISC2_WRITE_MASK 0x06ffffff 345 346 /* PLLD */ 347 #define PLLD_BASE_CSI_CLKSOURCE (1 << 23) 348 349 #define PLLD_MISC0_EN_SDM (1 << 16) 350 #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17) 351 #define PLLD_MISC0_LOCK_ENABLE (1 << 18) 352 #define PLLD_MISC0_IDDQ (1 << 20) 353 #define PLLD_MISC0_DSI_CLKENABLE (1 << 21) 354 355 #define PLLD_MISC0_DEFAULT_VALUE 0x00140000 356 #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff 357 #define PLLD_MISC1_DEFAULT_VALUE 0x20 358 #define PLLD_MISC1_WRITE_MASK 0x00ffffff 359 360 /* PLLD2 and PLLDP and PLLC4 */ 361 #define PLLDSS_BASE_LOCK (1 << 27) 362 #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24) 363 #define PLLDSS_BASE_IDDQ (1 << 18) 364 #define PLLDSS_BASE_REF_SEL_SHIFT 25 365 #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT) 366 367 #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30) 368 369 #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31) 370 #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30) 371 372 #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020 373 #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000 374 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0 375 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0 376 377 #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020 378 #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000 379 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da 380 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400 381 382 #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff 383 #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000 384 #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff 385 #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff 386 387 #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000 388 389 /* PLLRE */ 390 #define PLLRE_MISC0_LOCK_ENABLE (1 << 30) 391 #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29) 392 #define PLLRE_MISC0_LOCK (1 << 27) 393 #define PLLRE_MISC0_IDDQ (1 << 24) 394 395 #define PLLRE_BASE_DEFAULT_VALUE 0x0 396 #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000 397 398 #define PLLRE_BASE_DEFAULT_MASK 0x1c000000 399 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff 400 401 /* PLLX */ 402 #define PLLX_USE_DYN_RAMP 1 403 #define PLLX_BASE_LOCK (1 << 27) 404 405 #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28) 406 #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18) 407 408 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24 409 #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT) 410 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16 411 #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT) 412 #define PLLX_MISC2_NDIV_NEW_SHIFT 8 413 #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT) 414 #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4) 415 #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2) 416 #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0) 417 418 #define PLLX_MISC3_IDDQ (0x1 << 3) 419 420 #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE 421 #define PLLX_MISC0_WRITE_MASK 0x10c40000 422 #define PLLX_MISC1_DEFAULT_VALUE 0x20 423 #define PLLX_MISC1_WRITE_MASK 0x00ffffff 424 #define PLLX_MISC2_DEFAULT_VALUE 0x0 425 #define PLLX_MISC2_WRITE_MASK 0xffffff11 426 #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ 427 #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f 428 #define PLLX_MISC4_DEFAULT_VALUE 0x0 429 #define PLLX_MISC4_WRITE_MASK 0x8000ffff 430 #define PLLX_MISC5_DEFAULT_VALUE 0x0 431 #define PLLX_MISC5_WRITE_MASK 0x0000ffff 432 433 #define PLLX_HW_CTRL_CFG 0x548 434 #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0) 435 436 /* PLLMB */ 437 #define PLLMB_BASE_LOCK (1 << 27) 438 439 #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18) 440 #define PLLMB_MISC1_IDDQ (1 << 17) 441 #define PLLMB_MISC1_LOCK_ENABLE (1 << 16) 442 443 #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000 444 #define PLLMB_MISC1_WRITE_MASK 0x0007ffff 445 446 /* PLLP */ 447 #define PLLP_BASE_OVERRIDE (1 << 28) 448 #define PLLP_BASE_LOCK (1 << 27) 449 450 #define PLLP_MISC0_LOCK_ENABLE (1 << 18) 451 #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17) 452 #define PLLP_MISC0_IDDQ (1 << 3) 453 454 #define PLLP_MISC1_HSIO_EN_SHIFT 29 455 #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT) 456 #define PLLP_MISC1_XUSB_EN_SHIFT 28 457 #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT) 458 459 #define PLLP_MISC0_DEFAULT_VALUE 0x00040008 460 #define PLLP_MISC1_DEFAULT_VALUE 0x0 461 462 #define PLLP_MISC0_WRITE_MASK 0xdc6000f 463 #define PLLP_MISC1_WRITE_MASK 0x70ffffff 464 465 /* PLLU */ 466 #define PLLU_BASE_LOCK (1 << 27) 467 #define PLLU_BASE_OVERRIDE (1 << 24) 468 #define PLLU_BASE_CLKENABLE_USB (1 << 21) 469 #define PLLU_BASE_CLKENABLE_HSIC (1 << 22) 470 #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23) 471 #define PLLU_BASE_CLKENABLE_48M (1 << 25) 472 #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\ 473 PLLU_BASE_CLKENABLE_HSIC |\ 474 PLLU_BASE_CLKENABLE_ICUSB |\ 475 PLLU_BASE_CLKENABLE_48M) 476 477 #define PLLU_MISC0_IDDQ (1 << 31) 478 #define PLLU_MISC0_LOCK_ENABLE (1 << 29) 479 #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0) 480 481 #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000 482 #define PLLU_MISC1_DEFAULT_VALUE 0x0 483 484 #define PLLU_MISC0_WRITE_MASK 0xbfffffff 485 #define PLLU_MISC1_WRITE_MASK 0x00000007 486 487 void tegra210_xusb_pll_hw_control_enable(void) 488 { 489 u32 val; 490 491 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 492 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL | 493 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL); 494 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET | 495 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ; 496 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 497 } 498 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable); 499 500 void tegra210_xusb_pll_hw_sequence_start(void) 501 { 502 u32 val; 503 504 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 505 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE; 506 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 507 } 508 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start); 509 510 void tegra210_sata_pll_hw_control_enable(void) 511 { 512 u32 val; 513 514 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 515 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL; 516 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET | 517 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ; 518 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 519 } 520 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable); 521 522 void tegra210_sata_pll_hw_sequence_start(void) 523 { 524 u32 val; 525 526 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 527 val |= SATA_PLL_CFG0_SEQ_ENABLE; 528 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 529 } 530 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start); 531 532 void tegra210_set_sata_pll_seq_sw(bool state) 533 { 534 u32 val; 535 536 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 537 if (state) { 538 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 539 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 540 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 541 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 542 } else { 543 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 544 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 545 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 546 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 547 } 548 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 549 } 550 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw); 551 552 static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist) 553 { 554 u32 val; 555 556 val = readl_relaxed(clk_base + mbist->lvl2_offset); 557 writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset); 558 fence_udelay(1, clk_base); 559 writel_relaxed(val, clk_base + mbist->lvl2_offset); 560 fence_udelay(1, clk_base); 561 } 562 563 static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist) 564 { 565 u32 csi_src, ovra, ovre; 566 unsigned long flags = 0; 567 568 spin_lock_irqsave(&pll_d_lock, flags); 569 570 csi_src = readl_relaxed(clk_base + PLLD_BASE); 571 writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE); 572 fence_udelay(1, clk_base); 573 574 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); 575 writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA); 576 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 577 writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE); 578 fence_udelay(1, clk_base); 579 580 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); 581 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 582 writel_relaxed(csi_src, clk_base + PLLD_BASE); 583 fence_udelay(1, clk_base); 584 585 spin_unlock_irqrestore(&pll_d_lock, flags); 586 } 587 588 static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist) 589 { 590 u32 ovra, dsc_top_ctrl; 591 592 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); 593 writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA); 594 fence_udelay(1, clk_base); 595 596 dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL); 597 writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL); 598 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); 599 writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL); 600 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); 601 602 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); 603 fence_udelay(1, clk_base); 604 } 605 606 static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist) 607 { 608 u32 ovre, val; 609 610 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 611 writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE); 612 fence_udelay(1, clk_base); 613 614 val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 615 writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24), 616 vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 617 fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 618 619 writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 620 readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 621 622 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 623 fence_udelay(1, clk_base); 624 } 625 626 static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist) 627 { 628 void __iomem *i2s_base; 629 unsigned int i; 630 u32 ovrc, ovre; 631 632 ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC); 633 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 634 writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC); 635 writel_relaxed(ovre | BIT(10) | BIT(11), 636 clk_base + LVL2_CLK_GATE_OVRE); 637 fence_udelay(1, clk_base); 638 639 i2s_base = ahub_base + TEGRA210_I2S_BASE; 640 641 for (i = 0; i < TEGRA210_I2S_CTRLS; i++) { 642 u32 i2s_ctrl; 643 644 i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL); 645 writel_relaxed(i2s_ctrl | BIT(10), 646 i2s_base + TEGRA210_I2S_CTRL); 647 writel_relaxed(0, i2s_base + TEGRA210_I2S_CG); 648 readl(i2s_base + TEGRA210_I2S_CG); 649 writel_relaxed(1, i2s_base + TEGRA210_I2S_CG); 650 writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL); 651 readl(i2s_base + TEGRA210_I2S_CTRL); 652 653 i2s_base += TEGRA210_I2S_SIZE; 654 } 655 656 writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC); 657 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 658 fence_udelay(1, clk_base); 659 } 660 661 static inline void _pll_misc_chk_default(void __iomem *base, 662 struct tegra_clk_pll_params *params, 663 u8 misc_num, u32 default_val, u32 mask) 664 { 665 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]); 666 667 boot_val &= mask; 668 default_val &= mask; 669 if (boot_val != default_val) { 670 pr_warn("boot misc%d 0x%x: expected 0x%x\n", 671 misc_num, boot_val, default_val); 672 pr_warn(" (comparison mask = 0x%x)\n", mask); 673 params->defaults_set = false; 674 } 675 } 676 677 /* 678 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1 679 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition 680 * that changes NDIV only, while PLL is already locked. 681 */ 682 static void pllcx_check_defaults(struct tegra_clk_pll_params *params) 683 { 684 u32 default_val; 685 686 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET); 687 _pll_misc_chk_default(clk_base, params, 0, default_val, 688 PLLCX_MISC0_WRITE_MASK); 689 690 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ); 691 _pll_misc_chk_default(clk_base, params, 1, default_val, 692 PLLCX_MISC1_WRITE_MASK); 693 694 default_val = PLLCX_MISC2_DEFAULT_VALUE; 695 _pll_misc_chk_default(clk_base, params, 2, default_val, 696 PLLCX_MISC2_WRITE_MASK); 697 698 default_val = PLLCX_MISC3_DEFAULT_VALUE; 699 _pll_misc_chk_default(clk_base, params, 3, default_val, 700 PLLCX_MISC3_WRITE_MASK); 701 } 702 703 static void tegra210_pllcx_set_defaults(const char *name, 704 struct tegra_clk_pll *pllcx) 705 { 706 pllcx->params->defaults_set = true; 707 708 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) { 709 /* PLL is ON: only check if defaults already set */ 710 pllcx_check_defaults(pllcx->params); 711 if (!pllcx->params->defaults_set) 712 pr_warn("%s already enabled. Postponing set full defaults\n", 713 name); 714 return; 715 } 716 717 /* Defaults assert PLL reset, and set IDDQ */ 718 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE, 719 clk_base + pllcx->params->ext_misc_reg[0]); 720 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE, 721 clk_base + pllcx->params->ext_misc_reg[1]); 722 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE, 723 clk_base + pllcx->params->ext_misc_reg[2]); 724 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE, 725 clk_base + pllcx->params->ext_misc_reg[3]); 726 udelay(1); 727 } 728 729 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx) 730 { 731 tegra210_pllcx_set_defaults("PLL_C", pllcx); 732 } 733 734 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx) 735 { 736 tegra210_pllcx_set_defaults("PLL_C2", pllcx); 737 } 738 739 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx) 740 { 741 tegra210_pllcx_set_defaults("PLL_C3", pllcx); 742 } 743 744 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx) 745 { 746 tegra210_pllcx_set_defaults("PLL_A1", pllcx); 747 } 748 749 /* 750 * PLLA 751 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used. 752 * Fractional SDM is allowed to provide exact audio rates. 753 */ 754 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) 755 { 756 u32 mask; 757 u32 val = readl_relaxed(clk_base + plla->params->base_reg); 758 759 plla->params->defaults_set = true; 760 761 if (val & PLL_ENABLE) { 762 /* 763 * PLL is ON: check if defaults already set, then set those 764 * that can be updated in flight. 765 */ 766 if (val & PLLA_BASE_IDDQ) { 767 pr_warn("PLL_A boot enabled with IDDQ set\n"); 768 plla->params->defaults_set = false; 769 } 770 771 pr_warn("PLL_A already enabled. Postponing set full defaults\n"); 772 773 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */ 774 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE; 775 _pll_misc_chk_default(clk_base, plla->params, 0, val, 776 ~mask & PLLA_MISC0_WRITE_MASK); 777 778 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */ 779 _pll_misc_chk_default(clk_base, plla->params, 2, val, 780 PLLA_MISC2_EN_DYNRAMP); 781 782 /* Enable lock detect */ 783 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]); 784 val &= ~mask; 785 val |= PLLA_MISC0_DEFAULT_VALUE & mask; 786 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]); 787 udelay(1); 788 789 return; 790 } 791 792 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */ 793 val |= PLLA_BASE_IDDQ; 794 writel_relaxed(val, clk_base + plla->params->base_reg); 795 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE, 796 clk_base + plla->params->ext_misc_reg[0]); 797 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE, 798 clk_base + plla->params->ext_misc_reg[2]); 799 udelay(1); 800 } 801 802 /* 803 * PLLD 804 * PLL with fractional SDM. 805 */ 806 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld) 807 { 808 u32 val; 809 u32 mask = 0xffff; 810 811 plld->params->defaults_set = true; 812 813 if (readl_relaxed(clk_base + plld->params->base_reg) & 814 PLL_ENABLE) { 815 816 /* 817 * PLL is ON: check if defaults already set, then set those 818 * that can be updated in flight. 819 */ 820 val = PLLD_MISC1_DEFAULT_VALUE; 821 _pll_misc_chk_default(clk_base, plld->params, 1, 822 val, PLLD_MISC1_WRITE_MASK); 823 824 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */ 825 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ); 826 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE | 827 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM; 828 _pll_misc_chk_default(clk_base, plld->params, 0, val, 829 ~mask & PLLD_MISC0_WRITE_MASK); 830 831 if (!plld->params->defaults_set) 832 pr_warn("PLL_D already enabled. Postponing set full defaults\n"); 833 834 /* Enable lock detect */ 835 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE; 836 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 837 val &= ~mask; 838 val |= PLLD_MISC0_DEFAULT_VALUE & mask; 839 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 840 udelay(1); 841 842 return; 843 } 844 845 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 846 val &= PLLD_MISC0_DSI_CLKENABLE; 847 val |= PLLD_MISC0_DEFAULT_VALUE; 848 /* set IDDQ, enable lock detect, disable SDM */ 849 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 850 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base + 851 plld->params->ext_misc_reg[1]); 852 udelay(1); 853 } 854 855 /* 856 * PLLD2, PLLDP 857 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used). 858 */ 859 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss, 860 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val) 861 { 862 u32 default_val; 863 u32 val = readl_relaxed(clk_base + plldss->params->base_reg); 864 865 plldss->params->defaults_set = true; 866 867 if (val & PLL_ENABLE) { 868 869 /* 870 * PLL is ON: check if defaults already set, then set those 871 * that can be updated in flight. 872 */ 873 if (val & PLLDSS_BASE_IDDQ) { 874 pr_warn("plldss boot enabled with IDDQ set\n"); 875 plldss->params->defaults_set = false; 876 } 877 878 /* ignore lock enable */ 879 default_val = misc0_val; 880 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val, 881 PLLDSS_MISC0_WRITE_MASK & 882 (~PLLDSS_MISC0_LOCK_ENABLE)); 883 884 /* 885 * If SSC is used, check all settings, otherwise just confirm 886 * that SSC is not used on boot as well. Do nothing when using 887 * this function for PLLC4 that has only MISC0. 888 */ 889 if (plldss->params->ssc_ctrl_en_mask) { 890 default_val = misc1_val; 891 _pll_misc_chk_default(clk_base, plldss->params, 1, 892 default_val, PLLDSS_MISC1_CFG_WRITE_MASK); 893 default_val = misc2_val; 894 _pll_misc_chk_default(clk_base, plldss->params, 2, 895 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK); 896 default_val = misc3_val; 897 _pll_misc_chk_default(clk_base, plldss->params, 3, 898 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK); 899 } else if (plldss->params->ext_misc_reg[1]) { 900 default_val = misc1_val; 901 _pll_misc_chk_default(clk_base, plldss->params, 1, 902 default_val, PLLDSS_MISC1_CFG_WRITE_MASK & 903 (~PLLDSS_MISC1_CFG_EN_SDM)); 904 } 905 906 if (!plldss->params->defaults_set) 907 pr_warn("%s already enabled. Postponing set full defaults\n", 908 pll_name); 909 910 /* Enable lock detect */ 911 if (val & PLLDSS_BASE_LOCK_OVERRIDE) { 912 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 913 writel_relaxed(val, clk_base + 914 plldss->params->base_reg); 915 } 916 917 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]); 918 val &= ~PLLDSS_MISC0_LOCK_ENABLE; 919 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE; 920 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]); 921 udelay(1); 922 923 return; 924 } 925 926 /* set IDDQ, enable lock detect, configure SDM/SSC */ 927 val |= PLLDSS_BASE_IDDQ; 928 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 929 writel_relaxed(val, clk_base + plldss->params->base_reg); 930 931 /* When using this function for PLLC4 exit here */ 932 if (!plldss->params->ext_misc_reg[1]) { 933 writel_relaxed(misc0_val, clk_base + 934 plldss->params->ext_misc_reg[0]); 935 udelay(1); 936 return; 937 } 938 939 writel_relaxed(misc0_val, clk_base + 940 plldss->params->ext_misc_reg[0]); 941 /* if SSC used set by 1st enable */ 942 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC), 943 clk_base + plldss->params->ext_misc_reg[1]); 944 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]); 945 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]); 946 udelay(1); 947 } 948 949 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) 950 { 951 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE, 952 PLLD2_MISC1_CFG_DEFAULT_VALUE, 953 PLLD2_MISC2_CTRL1_DEFAULT_VALUE, 954 PLLD2_MISC3_CTRL2_DEFAULT_VALUE); 955 } 956 957 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) 958 { 959 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE, 960 PLLDP_MISC1_CFG_DEFAULT_VALUE, 961 PLLDP_MISC2_CTRL1_DEFAULT_VALUE, 962 PLLDP_MISC3_CTRL2_DEFAULT_VALUE); 963 } 964 965 /* 966 * PLLC4 967 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support. 968 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers. 969 */ 970 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) 971 { 972 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0); 973 } 974 975 /* 976 * PLLRE 977 * VCO is exposed to the clock tree directly along with post-divider output 978 */ 979 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) 980 { 981 u32 mask; 982 u32 val = readl_relaxed(clk_base + pllre->params->base_reg); 983 984 pllre->params->defaults_set = true; 985 986 if (val & PLL_ENABLE) { 987 pr_warn("PLL_RE already enabled. Postponing set full defaults\n"); 988 989 /* 990 * PLL is ON: check if defaults already set, then set those 991 * that can be updated in flight. 992 */ 993 val &= PLLRE_BASE_DEFAULT_MASK; 994 if (val != PLLRE_BASE_DEFAULT_VALUE) { 995 pr_warn("pllre boot base 0x%x : expected 0x%x\n", 996 val, PLLRE_BASE_DEFAULT_VALUE); 997 pr_warn("(comparison mask = 0x%x)\n", 998 PLLRE_BASE_DEFAULT_MASK); 999 pllre->params->defaults_set = false; 1000 } 1001 1002 /* Ignore lock enable */ 1003 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ); 1004 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE; 1005 _pll_misc_chk_default(clk_base, pllre->params, 0, val, 1006 ~mask & PLLRE_MISC0_WRITE_MASK); 1007 1008 /* Enable lock detect */ 1009 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]); 1010 val &= ~mask; 1011 val |= PLLRE_MISC0_DEFAULT_VALUE & mask; 1012 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]); 1013 udelay(1); 1014 1015 return; 1016 } 1017 1018 /* set IDDQ, enable lock detect */ 1019 val &= ~PLLRE_BASE_DEFAULT_MASK; 1020 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK; 1021 writel_relaxed(val, clk_base + pllre->params->base_reg); 1022 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE, 1023 clk_base + pllre->params->ext_misc_reg[0]); 1024 udelay(1); 1025 } 1026 1027 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) 1028 { 1029 unsigned long input_rate; 1030 1031 /* cf rate */ 1032 if (!IS_ERR_OR_NULL(hw->clk)) 1033 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); 1034 else 1035 input_rate = 38400000; 1036 1037 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); 1038 1039 switch (input_rate) { 1040 case 12000000: 1041 case 12800000: 1042 case 13000000: 1043 *step_a = 0x2B; 1044 *step_b = 0x0B; 1045 return; 1046 case 19200000: 1047 *step_a = 0x12; 1048 *step_b = 0x08; 1049 return; 1050 case 38400000: 1051 *step_a = 0x04; 1052 *step_b = 0x05; 1053 return; 1054 default: 1055 pr_err("%s: Unexpected reference rate %lu\n", 1056 __func__, input_rate); 1057 BUG(); 1058 } 1059 } 1060 1061 static void pllx_check_defaults(struct tegra_clk_pll *pll) 1062 { 1063 u32 default_val; 1064 1065 default_val = PLLX_MISC0_DEFAULT_VALUE; 1066 /* ignore lock enable */ 1067 _pll_misc_chk_default(clk_base, pll->params, 0, default_val, 1068 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE)); 1069 1070 default_val = PLLX_MISC1_DEFAULT_VALUE; 1071 _pll_misc_chk_default(clk_base, pll->params, 1, default_val, 1072 PLLX_MISC1_WRITE_MASK); 1073 1074 /* ignore all but control bit */ 1075 default_val = PLLX_MISC2_DEFAULT_VALUE; 1076 _pll_misc_chk_default(clk_base, pll->params, 2, 1077 default_val, PLLX_MISC2_EN_DYNRAMP); 1078 1079 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ); 1080 _pll_misc_chk_default(clk_base, pll->params, 3, default_val, 1081 PLLX_MISC3_WRITE_MASK); 1082 1083 default_val = PLLX_MISC4_DEFAULT_VALUE; 1084 _pll_misc_chk_default(clk_base, pll->params, 4, default_val, 1085 PLLX_MISC4_WRITE_MASK); 1086 1087 default_val = PLLX_MISC5_DEFAULT_VALUE; 1088 _pll_misc_chk_default(clk_base, pll->params, 5, default_val, 1089 PLLX_MISC5_WRITE_MASK); 1090 } 1091 1092 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) 1093 { 1094 u32 val; 1095 u32 step_a, step_b; 1096 1097 pllx->params->defaults_set = true; 1098 1099 /* Get ready dyn ramp state machine settings */ 1100 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b); 1101 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) & 1102 (~PLLX_MISC2_DYNRAMP_STEPB_MASK); 1103 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT; 1104 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT; 1105 1106 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) { 1107 1108 /* 1109 * PLL is ON: check if defaults already set, then set those 1110 * that can be updated in flight. 1111 */ 1112 pllx_check_defaults(pllx); 1113 1114 if (!pllx->params->defaults_set) 1115 pr_warn("PLL_X already enabled. Postponing set full defaults\n"); 1116 /* Configure dyn ramp, disable lock override */ 1117 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1118 1119 /* Enable lock detect */ 1120 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]); 1121 val &= ~PLLX_MISC0_LOCK_ENABLE; 1122 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE; 1123 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]); 1124 udelay(1); 1125 1126 return; 1127 } 1128 1129 /* Enable lock detect and CPU output */ 1130 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base + 1131 pllx->params->ext_misc_reg[0]); 1132 1133 /* Setup */ 1134 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base + 1135 pllx->params->ext_misc_reg[1]); 1136 1137 /* Configure dyn ramp state machine, disable lock override */ 1138 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1139 1140 /* Set IDDQ */ 1141 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base + 1142 pllx->params->ext_misc_reg[3]); 1143 1144 /* Disable SDM */ 1145 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base + 1146 pllx->params->ext_misc_reg[4]); 1147 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base + 1148 pllx->params->ext_misc_reg[5]); 1149 udelay(1); 1150 } 1151 1152 /* PLLMB */ 1153 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) 1154 { 1155 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg); 1156 1157 pllmb->params->defaults_set = true; 1158 1159 if (val & PLL_ENABLE) { 1160 1161 /* 1162 * PLL is ON: check if defaults already set, then set those 1163 * that can be updated in flight. 1164 */ 1165 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ); 1166 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE; 1167 _pll_misc_chk_default(clk_base, pllmb->params, 0, val, 1168 ~mask & PLLMB_MISC1_WRITE_MASK); 1169 1170 if (!pllmb->params->defaults_set) 1171 pr_warn("PLL_MB already enabled. Postponing set full defaults\n"); 1172 /* Enable lock detect */ 1173 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]); 1174 val &= ~mask; 1175 val |= PLLMB_MISC1_DEFAULT_VALUE & mask; 1176 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]); 1177 udelay(1); 1178 1179 return; 1180 } 1181 1182 /* set IDDQ, enable lock detect */ 1183 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE, 1184 clk_base + pllmb->params->ext_misc_reg[0]); 1185 udelay(1); 1186 } 1187 1188 /* 1189 * PLLP 1190 * VCO is exposed to the clock tree directly along with post-divider output. 1191 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz, 1192 * respectively. 1193 */ 1194 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled) 1195 { 1196 u32 val, mask; 1197 1198 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */ 1199 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ); 1200 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1201 if (!enabled) 1202 mask |= PLLP_MISC0_IDDQ; 1203 _pll_misc_chk_default(clk_base, pll->params, 0, val, 1204 ~mask & PLLP_MISC0_WRITE_MASK); 1205 1206 /* Ignore branch controls */ 1207 val = PLLP_MISC1_DEFAULT_VALUE; 1208 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1209 _pll_misc_chk_default(clk_base, pll->params, 1, val, 1210 ~mask & PLLP_MISC1_WRITE_MASK); 1211 } 1212 1213 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) 1214 { 1215 u32 mask; 1216 u32 val = readl_relaxed(clk_base + pllp->params->base_reg); 1217 1218 pllp->params->defaults_set = true; 1219 1220 if (val & PLL_ENABLE) { 1221 1222 /* 1223 * PLL is ON: check if defaults already set, then set those 1224 * that can be updated in flight. 1225 */ 1226 pllp_check_defaults(pllp, true); 1227 if (!pllp->params->defaults_set) 1228 pr_warn("PLL_P already enabled. Postponing set full defaults\n"); 1229 1230 /* Enable lock detect */ 1231 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]); 1232 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1233 val &= ~mask; 1234 val |= PLLP_MISC0_DEFAULT_VALUE & mask; 1235 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]); 1236 udelay(1); 1237 1238 return; 1239 } 1240 1241 /* set IDDQ, enable lock detect */ 1242 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE, 1243 clk_base + pllp->params->ext_misc_reg[0]); 1244 1245 /* Preserve branch control */ 1246 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]); 1247 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1248 val &= mask; 1249 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE; 1250 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]); 1251 udelay(1); 1252 } 1253 1254 /* 1255 * PLLU 1256 * VCO is exposed to the clock tree directly along with post-divider output. 1257 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz, 1258 * respectively. 1259 */ 1260 static void pllu_check_defaults(struct tegra_clk_pll_params *params, 1261 bool hw_control) 1262 { 1263 u32 val, mask; 1264 1265 /* Ignore lock enable (will be set) and IDDQ if under h/w control */ 1266 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ); 1267 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0); 1268 _pll_misc_chk_default(clk_base, params, 0, val, 1269 ~mask & PLLU_MISC0_WRITE_MASK); 1270 1271 val = PLLU_MISC1_DEFAULT_VALUE; 1272 mask = PLLU_MISC1_LOCK_OVERRIDE; 1273 _pll_misc_chk_default(clk_base, params, 1, val, 1274 ~mask & PLLU_MISC1_WRITE_MASK); 1275 } 1276 1277 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu) 1278 { 1279 u32 val = readl_relaxed(clk_base + pllu->base_reg); 1280 1281 pllu->defaults_set = true; 1282 1283 if (val & PLL_ENABLE) { 1284 1285 /* 1286 * PLL is ON: check if defaults already set, then set those 1287 * that can be updated in flight. 1288 */ 1289 pllu_check_defaults(pllu, false); 1290 if (!pllu->defaults_set) 1291 pr_warn("PLL_U already enabled. Postponing set full defaults\n"); 1292 1293 /* Enable lock detect */ 1294 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]); 1295 val &= ~PLLU_MISC0_LOCK_ENABLE; 1296 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE; 1297 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]); 1298 1299 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]); 1300 val &= ~PLLU_MISC1_LOCK_OVERRIDE; 1301 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE; 1302 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]); 1303 udelay(1); 1304 1305 return; 1306 } 1307 1308 /* set IDDQ, enable lock detect */ 1309 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE, 1310 clk_base + pllu->ext_misc_reg[0]); 1311 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE, 1312 clk_base + pllu->ext_misc_reg[1]); 1313 udelay(1); 1314 } 1315 1316 #define mask(w) ((1 << (w)) - 1) 1317 #define divm_mask(p) mask(p->params->div_nmp->divm_width) 1318 #define divn_mask(p) mask(p->params->div_nmp->divn_width) 1319 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ 1320 mask(p->params->div_nmp->divp_width)) 1321 1322 #define divm_shift(p) ((p)->params->div_nmp->divm_shift) 1323 #define divn_shift(p) ((p)->params->div_nmp->divn_shift) 1324 #define divp_shift(p) ((p)->params->div_nmp->divp_shift) 1325 1326 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p)) 1327 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p)) 1328 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p)) 1329 1330 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */ 1331 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll, 1332 u32 reg, u32 mask) 1333 { 1334 int i; 1335 u32 val = 0; 1336 1337 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) { 1338 udelay(PLL_LOCKDET_DELAY); 1339 val = readl_relaxed(clk_base + reg); 1340 if ((val & mask) == mask) { 1341 udelay(PLL_LOCKDET_DELAY); 1342 return 0; 1343 } 1344 } 1345 return -ETIMEDOUT; 1346 } 1347 1348 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx, 1349 struct tegra_clk_pll_freq_table *cfg) 1350 { 1351 u32 val, base, ndiv_new_mask; 1352 1353 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift) 1354 << PLLX_MISC2_NDIV_NEW_SHIFT; 1355 1356 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1357 val &= (~ndiv_new_mask); 1358 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT; 1359 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1360 udelay(1); 1361 1362 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1363 val |= PLLX_MISC2_EN_DYNRAMP; 1364 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1365 udelay(1); 1366 1367 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2], 1368 PLLX_MISC2_DYNRAMP_DONE); 1369 1370 base = readl_relaxed(clk_base + pllx->params->base_reg) & 1371 (~divn_mask_shifted(pllx)); 1372 base |= cfg->n << pllx->params->div_nmp->divn_shift; 1373 writel_relaxed(base, clk_base + pllx->params->base_reg); 1374 udelay(1); 1375 1376 val &= ~PLLX_MISC2_EN_DYNRAMP; 1377 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1378 udelay(1); 1379 1380 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n", 1381 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p, 1382 cfg->input_rate / cfg->m * cfg->n / 1383 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000); 1384 1385 return 0; 1386 } 1387 1388 /* 1389 * Common configuration for PLLs with fixed input divider policy: 1390 * - always set fixed M-value based on the reference rate 1391 * - always set P-value value 1:1 for output rates above VCO minimum, and 1392 * choose minimum necessary P-value for output rates below VCO maximum 1393 * - calculate N-value based on selected M and P 1394 * - calculate SDM_DIN fractional part 1395 */ 1396 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw, 1397 struct tegra_clk_pll_freq_table *cfg, 1398 unsigned long rate, unsigned long input_rate) 1399 { 1400 struct tegra_clk_pll *pll = to_clk_pll(hw); 1401 struct tegra_clk_pll_params *params = pll->params; 1402 int p; 1403 unsigned long cf, p_rate; 1404 u32 pdiv; 1405 1406 if (!rate) 1407 return -EINVAL; 1408 1409 if (!(params->flags & TEGRA_PLL_VCO_OUT)) { 1410 p = DIV_ROUND_UP(params->vco_min, rate); 1411 p = params->round_p_to_pdiv(p, &pdiv); 1412 } else { 1413 p = rate >= params->vco_min ? 1 : -EINVAL; 1414 } 1415 1416 if (p < 0) 1417 return -EINVAL; 1418 1419 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate); 1420 cfg->p = p; 1421 1422 /* Store P as HW value, as that is what is expected */ 1423 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p); 1424 1425 p_rate = rate * p; 1426 if (p_rate > params->vco_max) 1427 p_rate = params->vco_max; 1428 cf = input_rate / cfg->m; 1429 cfg->n = p_rate / cf; 1430 1431 cfg->sdm_data = 0; 1432 cfg->output_rate = input_rate; 1433 if (params->sdm_ctrl_reg) { 1434 unsigned long rem = p_rate - cf * cfg->n; 1435 /* If ssc is enabled SDM enabled as well, even for integer n */ 1436 if (rem || params->ssc_ctrl_reg) { 1437 u64 s = rem * PLL_SDM_COEFF; 1438 1439 do_div(s, cf); 1440 s -= PLL_SDM_COEFF / 2; 1441 cfg->sdm_data = sdin_din_to_data(s); 1442 } 1443 cfg->output_rate *= sdin_get_n_eff(cfg); 1444 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF; 1445 } else { 1446 cfg->output_rate *= cfg->n; 1447 cfg->output_rate /= p * cfg->m; 1448 } 1449 1450 cfg->input_rate = input_rate; 1451 1452 return 0; 1453 } 1454 1455 /* 1456 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate 1457 * 1458 * @cfg: struct tegra_clk_pll_freq_table * cfg 1459 * 1460 * For Normal mode: 1461 * Fvco = Fref * NDIV / MDIV 1462 * 1463 * For fractional mode: 1464 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV 1465 */ 1466 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg) 1467 { 1468 cfg->n = sdin_get_n_eff(cfg); 1469 cfg->m *= PLL_SDM_COEFF; 1470 } 1471 1472 static unsigned long 1473 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, 1474 unsigned long parent_rate) 1475 { 1476 unsigned long vco_min = params->vco_min; 1477 1478 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF); 1479 vco_min = min(vco_min, params->vco_min); 1480 1481 return vco_min; 1482 } 1483 1484 static struct div_nmp pllx_nmp = { 1485 .divm_shift = 0, 1486 .divm_width = 8, 1487 .divn_shift = 8, 1488 .divn_width = 8, 1489 .divp_shift = 20, 1490 .divp_width = 5, 1491 }; 1492 /* 1493 * PLL post divider maps - two types: quasi-linear and exponential 1494 * post divider. 1495 */ 1496 #define PLL_QLIN_PDIV_MAX 16 1497 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = { 1498 { .pdiv = 1, .hw_val = 0 }, 1499 { .pdiv = 2, .hw_val = 1 }, 1500 { .pdiv = 3, .hw_val = 2 }, 1501 { .pdiv = 4, .hw_val = 3 }, 1502 { .pdiv = 5, .hw_val = 4 }, 1503 { .pdiv = 6, .hw_val = 5 }, 1504 { .pdiv = 8, .hw_val = 6 }, 1505 { .pdiv = 9, .hw_val = 7 }, 1506 { .pdiv = 10, .hw_val = 8 }, 1507 { .pdiv = 12, .hw_val = 9 }, 1508 { .pdiv = 15, .hw_val = 10 }, 1509 { .pdiv = 16, .hw_val = 11 }, 1510 { .pdiv = 18, .hw_val = 12 }, 1511 { .pdiv = 20, .hw_val = 13 }, 1512 { .pdiv = 24, .hw_val = 14 }, 1513 { .pdiv = 30, .hw_val = 15 }, 1514 { .pdiv = 32, .hw_val = 16 }, 1515 }; 1516 1517 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv) 1518 { 1519 int i; 1520 1521 if (p) { 1522 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) { 1523 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) { 1524 if (pdiv) 1525 *pdiv = i; 1526 return pll_qlin_pdiv_to_hw[i].pdiv; 1527 } 1528 } 1529 } 1530 1531 return -EINVAL; 1532 } 1533 1534 #define PLL_EXPO_PDIV_MAX 7 1535 static const struct pdiv_map pll_expo_pdiv_to_hw[] = { 1536 { .pdiv = 1, .hw_val = 0 }, 1537 { .pdiv = 2, .hw_val = 1 }, 1538 { .pdiv = 4, .hw_val = 2 }, 1539 { .pdiv = 8, .hw_val = 3 }, 1540 { .pdiv = 16, .hw_val = 4 }, 1541 { .pdiv = 32, .hw_val = 5 }, 1542 { .pdiv = 64, .hw_val = 6 }, 1543 { .pdiv = 128, .hw_val = 7 }, 1544 }; 1545 1546 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv) 1547 { 1548 if (p) { 1549 u32 i = fls(p); 1550 1551 if (i == ffs(p)) 1552 i--; 1553 1554 if (i <= PLL_EXPO_PDIV_MAX) { 1555 if (pdiv) 1556 *pdiv = i; 1557 return 1 << i; 1558 } 1559 } 1560 return -EINVAL; 1561 } 1562 1563 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 1564 /* 1 GHz */ 1565 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */ 1566 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */ 1567 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */ 1568 { 0, 0, 0, 0, 0, 0 }, 1569 }; 1570 1571 static struct tegra_clk_pll_params pll_x_params = { 1572 .input_min = 12000000, 1573 .input_max = 800000000, 1574 .cf_min = 12000000, 1575 .cf_max = 38400000, 1576 .vco_min = 1350000000, 1577 .vco_max = 3000000000UL, 1578 .base_reg = PLLX_BASE, 1579 .misc_reg = PLLX_MISC0, 1580 .lock_mask = PLL_BASE_LOCK, 1581 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 1582 .lock_delay = 300, 1583 .ext_misc_reg[0] = PLLX_MISC0, 1584 .ext_misc_reg[1] = PLLX_MISC1, 1585 .ext_misc_reg[2] = PLLX_MISC2, 1586 .ext_misc_reg[3] = PLLX_MISC3, 1587 .ext_misc_reg[4] = PLLX_MISC4, 1588 .ext_misc_reg[5] = PLLX_MISC5, 1589 .iddq_reg = PLLX_MISC3, 1590 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1591 .max_p = PLL_QLIN_PDIV_MAX, 1592 .mdiv_default = 2, 1593 .dyn_ramp_reg = PLLX_MISC2, 1594 .stepa_shift = 16, 1595 .stepb_shift = 24, 1596 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1597 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1598 .div_nmp = &pllx_nmp, 1599 .freq_table = pll_x_freq_table, 1600 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1601 .dyn_ramp = tegra210_pllx_dyn_ramp, 1602 .set_defaults = tegra210_pllx_set_defaults, 1603 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1604 }; 1605 1606 static struct div_nmp pllc_nmp = { 1607 .divm_shift = 0, 1608 .divm_width = 8, 1609 .divn_shift = 10, 1610 .divn_width = 8, 1611 .divp_shift = 20, 1612 .divp_width = 5, 1613 }; 1614 1615 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { 1616 { 12000000, 510000000, 85, 1, 2, 0 }, 1617 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */ 1618 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */ 1619 { 0, 0, 0, 0, 0, 0 }, 1620 }; 1621 1622 static struct tegra_clk_pll_params pll_c_params = { 1623 .input_min = 12000000, 1624 .input_max = 700000000, 1625 .cf_min = 12000000, 1626 .cf_max = 50000000, 1627 .vco_min = 600000000, 1628 .vco_max = 1200000000, 1629 .base_reg = PLLC_BASE, 1630 .misc_reg = PLLC_MISC0, 1631 .lock_mask = PLL_BASE_LOCK, 1632 .lock_delay = 300, 1633 .iddq_reg = PLLC_MISC1, 1634 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1635 .reset_reg = PLLC_MISC0, 1636 .reset_bit_idx = PLLCX_RESET_BIT, 1637 .max_p = PLL_QLIN_PDIV_MAX, 1638 .ext_misc_reg[0] = PLLC_MISC0, 1639 .ext_misc_reg[1] = PLLC_MISC1, 1640 .ext_misc_reg[2] = PLLC_MISC2, 1641 .ext_misc_reg[3] = PLLC_MISC3, 1642 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1643 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1644 .mdiv_default = 3, 1645 .div_nmp = &pllc_nmp, 1646 .freq_table = pll_cx_freq_table, 1647 .flags = TEGRA_PLL_USE_LOCK, 1648 .set_defaults = _pllc_set_defaults, 1649 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1650 }; 1651 1652 static struct div_nmp pllcx_nmp = { 1653 .divm_shift = 0, 1654 .divm_width = 8, 1655 .divn_shift = 10, 1656 .divn_width = 8, 1657 .divp_shift = 20, 1658 .divp_width = 5, 1659 }; 1660 1661 static struct tegra_clk_pll_params pll_c2_params = { 1662 .input_min = 12000000, 1663 .input_max = 700000000, 1664 .cf_min = 12000000, 1665 .cf_max = 50000000, 1666 .vco_min = 600000000, 1667 .vco_max = 1200000000, 1668 .base_reg = PLLC2_BASE, 1669 .misc_reg = PLLC2_MISC0, 1670 .iddq_reg = PLLC2_MISC1, 1671 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1672 .reset_reg = PLLC2_MISC0, 1673 .reset_bit_idx = PLLCX_RESET_BIT, 1674 .lock_mask = PLLCX_BASE_LOCK, 1675 .lock_delay = 300, 1676 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1677 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1678 .mdiv_default = 3, 1679 .div_nmp = &pllcx_nmp, 1680 .max_p = PLL_QLIN_PDIV_MAX, 1681 .ext_misc_reg[0] = PLLC2_MISC0, 1682 .ext_misc_reg[1] = PLLC2_MISC1, 1683 .ext_misc_reg[2] = PLLC2_MISC2, 1684 .ext_misc_reg[3] = PLLC2_MISC3, 1685 .freq_table = pll_cx_freq_table, 1686 .flags = TEGRA_PLL_USE_LOCK, 1687 .set_defaults = _pllc2_set_defaults, 1688 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1689 }; 1690 1691 static struct tegra_clk_pll_params pll_c3_params = { 1692 .input_min = 12000000, 1693 .input_max = 700000000, 1694 .cf_min = 12000000, 1695 .cf_max = 50000000, 1696 .vco_min = 600000000, 1697 .vco_max = 1200000000, 1698 .base_reg = PLLC3_BASE, 1699 .misc_reg = PLLC3_MISC0, 1700 .lock_mask = PLLCX_BASE_LOCK, 1701 .lock_delay = 300, 1702 .iddq_reg = PLLC3_MISC1, 1703 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1704 .reset_reg = PLLC3_MISC0, 1705 .reset_bit_idx = PLLCX_RESET_BIT, 1706 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1707 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1708 .mdiv_default = 3, 1709 .div_nmp = &pllcx_nmp, 1710 .max_p = PLL_QLIN_PDIV_MAX, 1711 .ext_misc_reg[0] = PLLC3_MISC0, 1712 .ext_misc_reg[1] = PLLC3_MISC1, 1713 .ext_misc_reg[2] = PLLC3_MISC2, 1714 .ext_misc_reg[3] = PLLC3_MISC3, 1715 .freq_table = pll_cx_freq_table, 1716 .flags = TEGRA_PLL_USE_LOCK, 1717 .set_defaults = _pllc3_set_defaults, 1718 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1719 }; 1720 1721 static struct div_nmp pllss_nmp = { 1722 .divm_shift = 0, 1723 .divm_width = 8, 1724 .divn_shift = 8, 1725 .divn_width = 8, 1726 .divp_shift = 19, 1727 .divp_width = 5, 1728 }; 1729 1730 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = { 1731 { 12000000, 600000000, 50, 1, 1, 0 }, 1732 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */ 1733 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */ 1734 { 0, 0, 0, 0, 0, 0 }, 1735 }; 1736 1737 static const struct clk_div_table pll_vco_post_div_table[] = { 1738 { .val = 0, .div = 1 }, 1739 { .val = 1, .div = 2 }, 1740 { .val = 2, .div = 3 }, 1741 { .val = 3, .div = 4 }, 1742 { .val = 4, .div = 5 }, 1743 { .val = 5, .div = 6 }, 1744 { .val = 6, .div = 8 }, 1745 { .val = 7, .div = 10 }, 1746 { .val = 8, .div = 12 }, 1747 { .val = 9, .div = 16 }, 1748 { .val = 10, .div = 12 }, 1749 { .val = 11, .div = 16 }, 1750 { .val = 12, .div = 20 }, 1751 { .val = 13, .div = 24 }, 1752 { .val = 14, .div = 32 }, 1753 { .val = 0, .div = 0 }, 1754 }; 1755 1756 static struct tegra_clk_pll_params pll_c4_vco_params = { 1757 .input_min = 9600000, 1758 .input_max = 800000000, 1759 .cf_min = 9600000, 1760 .cf_max = 19200000, 1761 .vco_min = 500000000, 1762 .vco_max = 1080000000, 1763 .base_reg = PLLC4_BASE, 1764 .misc_reg = PLLC4_MISC0, 1765 .lock_mask = PLL_BASE_LOCK, 1766 .lock_delay = 300, 1767 .max_p = PLL_QLIN_PDIV_MAX, 1768 .ext_misc_reg[0] = PLLC4_MISC0, 1769 .iddq_reg = PLLC4_BASE, 1770 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1771 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1772 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1773 .mdiv_default = 3, 1774 .div_nmp = &pllss_nmp, 1775 .freq_table = pll_c4_vco_freq_table, 1776 .set_defaults = tegra210_pllc4_set_defaults, 1777 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1778 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1779 }; 1780 1781 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 1782 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */ 1783 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */ 1784 { 38400000, 297600000, 93, 4, 3, 0 }, 1785 { 38400000, 400000000, 125, 4, 3, 0 }, 1786 { 38400000, 532800000, 111, 4, 2, 0 }, 1787 { 38400000, 665600000, 104, 3, 2, 0 }, 1788 { 38400000, 800000000, 125, 3, 2, 0 }, 1789 { 38400000, 931200000, 97, 4, 1, 0 }, 1790 { 38400000, 1065600000, 111, 4, 1, 0 }, 1791 { 38400000, 1200000000, 125, 4, 1, 0 }, 1792 { 38400000, 1331200000, 104, 3, 1, 0 }, 1793 { 38400000, 1459200000, 76, 2, 1, 0 }, 1794 { 38400000, 1600000000, 125, 3, 1, 0 }, 1795 { 0, 0, 0, 0, 0, 0 }, 1796 }; 1797 1798 static struct div_nmp pllm_nmp = { 1799 .divm_shift = 0, 1800 .divm_width = 8, 1801 .override_divm_shift = 0, 1802 .divn_shift = 8, 1803 .divn_width = 8, 1804 .override_divn_shift = 8, 1805 .divp_shift = 20, 1806 .divp_width = 5, 1807 .override_divp_shift = 27, 1808 }; 1809 1810 static struct tegra_clk_pll_params pll_m_params = { 1811 .input_min = 9600000, 1812 .input_max = 500000000, 1813 .cf_min = 9600000, 1814 .cf_max = 19200000, 1815 .vco_min = 800000000, 1816 .vco_max = 1866000000, 1817 .base_reg = PLLM_BASE, 1818 .misc_reg = PLLM_MISC2, 1819 .lock_mask = PLL_BASE_LOCK, 1820 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE, 1821 .lock_delay = 300, 1822 .iddq_reg = PLLM_MISC2, 1823 .iddq_bit_idx = PLLM_IDDQ_BIT, 1824 .max_p = PLL_QLIN_PDIV_MAX, 1825 .ext_misc_reg[0] = PLLM_MISC2, 1826 .ext_misc_reg[1] = PLLM_MISC1, 1827 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1828 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1829 .div_nmp = &pllm_nmp, 1830 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 1831 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, 1832 .freq_table = pll_m_freq_table, 1833 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1834 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1835 }; 1836 1837 static struct tegra_clk_pll_params pll_mb_params = { 1838 .input_min = 9600000, 1839 .input_max = 500000000, 1840 .cf_min = 9600000, 1841 .cf_max = 19200000, 1842 .vco_min = 800000000, 1843 .vco_max = 1866000000, 1844 .base_reg = PLLMB_BASE, 1845 .misc_reg = PLLMB_MISC1, 1846 .lock_mask = PLL_BASE_LOCK, 1847 .lock_delay = 300, 1848 .iddq_reg = PLLMB_MISC1, 1849 .iddq_bit_idx = PLLMB_IDDQ_BIT, 1850 .max_p = PLL_QLIN_PDIV_MAX, 1851 .ext_misc_reg[0] = PLLMB_MISC1, 1852 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1853 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1854 .div_nmp = &pllm_nmp, 1855 .freq_table = pll_m_freq_table, 1856 .flags = TEGRA_PLL_USE_LOCK, 1857 .set_defaults = tegra210_pllmb_set_defaults, 1858 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1859 }; 1860 1861 1862 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 1863 /* PLLE special case: use cpcon field to store cml divider value */ 1864 { 672000000, 100000000, 125, 42, 0, 13 }, 1865 { 624000000, 100000000, 125, 39, 0, 13 }, 1866 { 336000000, 100000000, 125, 21, 0, 13 }, 1867 { 312000000, 100000000, 200, 26, 0, 14 }, 1868 { 38400000, 100000000, 125, 2, 0, 14 }, 1869 { 12000000, 100000000, 200, 1, 0, 14 }, 1870 { 0, 0, 0, 0, 0, 0 }, 1871 }; 1872 1873 static struct div_nmp plle_nmp = { 1874 .divm_shift = 0, 1875 .divm_width = 8, 1876 .divn_shift = 8, 1877 .divn_width = 8, 1878 .divp_shift = 24, 1879 .divp_width = 5, 1880 }; 1881 1882 static struct tegra_clk_pll_params pll_e_params = { 1883 .input_min = 12000000, 1884 .input_max = 800000000, 1885 .cf_min = 12000000, 1886 .cf_max = 38400000, 1887 .vco_min = 1600000000, 1888 .vco_max = 2500000000U, 1889 .base_reg = PLLE_BASE, 1890 .misc_reg = PLLE_MISC0, 1891 .aux_reg = PLLE_AUX, 1892 .lock_mask = PLLE_MISC_LOCK, 1893 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 1894 .lock_delay = 300, 1895 .div_nmp = &plle_nmp, 1896 .freq_table = pll_e_freq_table, 1897 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK | 1898 TEGRA_PLL_HAS_LOCK_ENABLE, 1899 .fixed_rate = 100000000, 1900 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1901 }; 1902 1903 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = { 1904 { 12000000, 672000000, 56, 1, 1, 0 }, 1905 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */ 1906 { 38400000, 672000000, 70, 4, 1, 0 }, 1907 { 0, 0, 0, 0, 0, 0 }, 1908 }; 1909 1910 static struct div_nmp pllre_nmp = { 1911 .divm_shift = 0, 1912 .divm_width = 8, 1913 .divn_shift = 8, 1914 .divn_width = 8, 1915 .divp_shift = 16, 1916 .divp_width = 5, 1917 }; 1918 1919 static struct tegra_clk_pll_params pll_re_vco_params = { 1920 .input_min = 9600000, 1921 .input_max = 800000000, 1922 .cf_min = 9600000, 1923 .cf_max = 19200000, 1924 .vco_min = 350000000, 1925 .vco_max = 700000000, 1926 .base_reg = PLLRE_BASE, 1927 .misc_reg = PLLRE_MISC0, 1928 .lock_mask = PLLRE_MISC_LOCK, 1929 .lock_delay = 300, 1930 .max_p = PLL_QLIN_PDIV_MAX, 1931 .ext_misc_reg[0] = PLLRE_MISC0, 1932 .iddq_reg = PLLRE_MISC0, 1933 .iddq_bit_idx = PLLRE_IDDQ_BIT, 1934 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1935 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1936 .div_nmp = &pllre_nmp, 1937 .freq_table = pll_re_vco_freq_table, 1938 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT, 1939 .set_defaults = tegra210_pllre_set_defaults, 1940 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1941 }; 1942 1943 static struct div_nmp pllp_nmp = { 1944 .divm_shift = 0, 1945 .divm_width = 8, 1946 .divn_shift = 10, 1947 .divn_width = 8, 1948 .divp_shift = 20, 1949 .divp_width = 5, 1950 }; 1951 1952 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 1953 { 12000000, 408000000, 34, 1, 1, 0 }, 1954 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */ 1955 { 0, 0, 0, 0, 0, 0 }, 1956 }; 1957 1958 static struct tegra_clk_pll_params pll_p_params = { 1959 .input_min = 9600000, 1960 .input_max = 800000000, 1961 .cf_min = 9600000, 1962 .cf_max = 19200000, 1963 .vco_min = 350000000, 1964 .vco_max = 700000000, 1965 .base_reg = PLLP_BASE, 1966 .misc_reg = PLLP_MISC0, 1967 .lock_mask = PLL_BASE_LOCK, 1968 .lock_delay = 300, 1969 .iddq_reg = PLLP_MISC0, 1970 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1971 .ext_misc_reg[0] = PLLP_MISC0, 1972 .ext_misc_reg[1] = PLLP_MISC1, 1973 .div_nmp = &pllp_nmp, 1974 .freq_table = pll_p_freq_table, 1975 .fixed_rate = 408000000, 1976 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1977 .set_defaults = tegra210_pllp_set_defaults, 1978 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1979 }; 1980 1981 static struct tegra_clk_pll_params pll_a1_params = { 1982 .input_min = 12000000, 1983 .input_max = 700000000, 1984 .cf_min = 12000000, 1985 .cf_max = 50000000, 1986 .vco_min = 600000000, 1987 .vco_max = 1200000000, 1988 .base_reg = PLLA1_BASE, 1989 .misc_reg = PLLA1_MISC0, 1990 .lock_mask = PLLCX_BASE_LOCK, 1991 .lock_delay = 300, 1992 .iddq_reg = PLLA1_MISC1, 1993 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1994 .reset_reg = PLLA1_MISC0, 1995 .reset_bit_idx = PLLCX_RESET_BIT, 1996 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1997 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1998 .div_nmp = &pllc_nmp, 1999 .ext_misc_reg[0] = PLLA1_MISC0, 2000 .ext_misc_reg[1] = PLLA1_MISC1, 2001 .ext_misc_reg[2] = PLLA1_MISC2, 2002 .ext_misc_reg[3] = PLLA1_MISC3, 2003 .freq_table = pll_cx_freq_table, 2004 .flags = TEGRA_PLL_USE_LOCK, 2005 .set_defaults = _plla1_set_defaults, 2006 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2007 }; 2008 2009 static struct div_nmp plla_nmp = { 2010 .divm_shift = 0, 2011 .divm_width = 8, 2012 .divn_shift = 8, 2013 .divn_width = 8, 2014 .divp_shift = 20, 2015 .divp_width = 5, 2016 }; 2017 2018 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 2019 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */ 2020 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */ 2021 { 12000000, 240000000, 60, 1, 3, 1, 0 }, 2022 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */ 2023 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */ 2024 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */ 2025 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */ 2026 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */ 2027 { 38400000, 240000000, 75, 3, 3, 1, 0 }, 2028 { 0, 0, 0, 0, 0, 0, 0 }, 2029 }; 2030 2031 static struct tegra_clk_pll_params pll_a_params = { 2032 .input_min = 12000000, 2033 .input_max = 800000000, 2034 .cf_min = 12000000, 2035 .cf_max = 19200000, 2036 .vco_min = 500000000, 2037 .vco_max = 1000000000, 2038 .base_reg = PLLA_BASE, 2039 .misc_reg = PLLA_MISC0, 2040 .lock_mask = PLL_BASE_LOCK, 2041 .lock_delay = 300, 2042 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2043 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2044 .iddq_reg = PLLA_BASE, 2045 .iddq_bit_idx = PLLA_IDDQ_BIT, 2046 .div_nmp = &plla_nmp, 2047 .sdm_din_reg = PLLA_MISC1, 2048 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2049 .sdm_ctrl_reg = PLLA_MISC2, 2050 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK, 2051 .ext_misc_reg[0] = PLLA_MISC0, 2052 .ext_misc_reg[1] = PLLA_MISC1, 2053 .ext_misc_reg[2] = PLLA_MISC2, 2054 .freq_table = pll_a_freq_table, 2055 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW, 2056 .set_defaults = tegra210_plla_set_defaults, 2057 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2058 .set_gain = tegra210_clk_pll_set_gain, 2059 .adjust_vco = tegra210_clk_adjust_vco_min, 2060 }; 2061 2062 static struct div_nmp plld_nmp = { 2063 .divm_shift = 0, 2064 .divm_width = 8, 2065 .divn_shift = 11, 2066 .divn_width = 8, 2067 .divp_shift = 20, 2068 .divp_width = 3, 2069 }; 2070 2071 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 2072 { 12000000, 594000000, 99, 1, 2, 0, 0 }, 2073 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2074 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2075 { 0, 0, 0, 0, 0, 0, 0 }, 2076 }; 2077 2078 static struct tegra_clk_pll_params pll_d_params = { 2079 .input_min = 12000000, 2080 .input_max = 800000000, 2081 .cf_min = 12000000, 2082 .cf_max = 38400000, 2083 .vco_min = 750000000, 2084 .vco_max = 1500000000, 2085 .base_reg = PLLD_BASE, 2086 .misc_reg = PLLD_MISC0, 2087 .lock_mask = PLL_BASE_LOCK, 2088 .lock_delay = 1000, 2089 .iddq_reg = PLLD_MISC0, 2090 .iddq_bit_idx = PLLD_IDDQ_BIT, 2091 .round_p_to_pdiv = pll_expo_p_to_pdiv, 2092 .pdiv_tohw = pll_expo_pdiv_to_hw, 2093 .div_nmp = &plld_nmp, 2094 .sdm_din_reg = PLLD_MISC0, 2095 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2096 .sdm_ctrl_reg = PLLD_MISC0, 2097 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK, 2098 .ext_misc_reg[0] = PLLD_MISC0, 2099 .ext_misc_reg[1] = PLLD_MISC1, 2100 .freq_table = pll_d_freq_table, 2101 .flags = TEGRA_PLL_USE_LOCK, 2102 .mdiv_default = 1, 2103 .set_defaults = tegra210_plld_set_defaults, 2104 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2105 .set_gain = tegra210_clk_pll_set_gain, 2106 .adjust_vco = tegra210_clk_adjust_vco_min, 2107 }; 2108 2109 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = { 2110 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 }, 2111 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2112 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2113 { 0, 0, 0, 0, 0, 0, 0 }, 2114 }; 2115 2116 /* s/w policy, always tegra_pll_ref */ 2117 static struct tegra_clk_pll_params pll_d2_params = { 2118 .input_min = 12000000, 2119 .input_max = 800000000, 2120 .cf_min = 12000000, 2121 .cf_max = 38400000, 2122 .vco_min = 750000000, 2123 .vco_max = 1500000000, 2124 .base_reg = PLLD2_BASE, 2125 .misc_reg = PLLD2_MISC0, 2126 .lock_mask = PLL_BASE_LOCK, 2127 .lock_delay = 300, 2128 .iddq_reg = PLLD2_BASE, 2129 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2130 .sdm_din_reg = PLLD2_MISC3, 2131 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2132 .sdm_ctrl_reg = PLLD2_MISC1, 2133 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK, 2134 /* disable spread-spectrum for pll_d2 */ 2135 .ssc_ctrl_reg = 0, 2136 .ssc_ctrl_en_mask = 0, 2137 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2138 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2139 .div_nmp = &pllss_nmp, 2140 .ext_misc_reg[0] = PLLD2_MISC0, 2141 .ext_misc_reg[1] = PLLD2_MISC1, 2142 .ext_misc_reg[2] = PLLD2_MISC2, 2143 .ext_misc_reg[3] = PLLD2_MISC3, 2144 .max_p = PLL_QLIN_PDIV_MAX, 2145 .mdiv_default = 1, 2146 .freq_table = tegra210_pll_d2_freq_table, 2147 .set_defaults = tegra210_plld2_set_defaults, 2148 .flags = TEGRA_PLL_USE_LOCK, 2149 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2150 .set_gain = tegra210_clk_pll_set_gain, 2151 .adjust_vco = tegra210_clk_adjust_vco_min, 2152 }; 2153 2154 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = { 2155 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 }, 2156 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */ 2157 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 }, 2158 { 0, 0, 0, 0, 0, 0, 0 }, 2159 }; 2160 2161 static struct tegra_clk_pll_params pll_dp_params = { 2162 .input_min = 12000000, 2163 .input_max = 800000000, 2164 .cf_min = 12000000, 2165 .cf_max = 38400000, 2166 .vco_min = 750000000, 2167 .vco_max = 1500000000, 2168 .base_reg = PLLDP_BASE, 2169 .misc_reg = PLLDP_MISC, 2170 .lock_mask = PLL_BASE_LOCK, 2171 .lock_delay = 300, 2172 .iddq_reg = PLLDP_BASE, 2173 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2174 .sdm_din_reg = PLLDP_SS_CTRL2, 2175 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2176 .sdm_ctrl_reg = PLLDP_SS_CFG, 2177 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK, 2178 .ssc_ctrl_reg = PLLDP_SS_CFG, 2179 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK, 2180 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2181 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2182 .div_nmp = &pllss_nmp, 2183 .ext_misc_reg[0] = PLLDP_MISC, 2184 .ext_misc_reg[1] = PLLDP_SS_CFG, 2185 .ext_misc_reg[2] = PLLDP_SS_CTRL1, 2186 .ext_misc_reg[3] = PLLDP_SS_CTRL2, 2187 .max_p = PLL_QLIN_PDIV_MAX, 2188 .mdiv_default = 1, 2189 .freq_table = pll_dp_freq_table, 2190 .set_defaults = tegra210_plldp_set_defaults, 2191 .flags = TEGRA_PLL_USE_LOCK, 2192 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2193 .set_gain = tegra210_clk_pll_set_gain, 2194 .adjust_vco = tegra210_clk_adjust_vco_min, 2195 }; 2196 2197 static struct div_nmp pllu_nmp = { 2198 .divm_shift = 0, 2199 .divm_width = 8, 2200 .divn_shift = 8, 2201 .divn_width = 8, 2202 .divp_shift = 16, 2203 .divp_width = 5, 2204 }; 2205 2206 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 2207 { 12000000, 480000000, 40, 1, 0, 0 }, 2208 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */ 2209 { 38400000, 480000000, 25, 2, 0, 0 }, 2210 { 0, 0, 0, 0, 0, 0 }, 2211 }; 2212 2213 static struct tegra_clk_pll_params pll_u_vco_params = { 2214 .input_min = 9600000, 2215 .input_max = 800000000, 2216 .cf_min = 9600000, 2217 .cf_max = 19200000, 2218 .vco_min = 350000000, 2219 .vco_max = 700000000, 2220 .base_reg = PLLU_BASE, 2221 .misc_reg = PLLU_MISC0, 2222 .lock_mask = PLL_BASE_LOCK, 2223 .lock_delay = 1000, 2224 .iddq_reg = PLLU_MISC0, 2225 .iddq_bit_idx = PLLU_IDDQ_BIT, 2226 .ext_misc_reg[0] = PLLU_MISC0, 2227 .ext_misc_reg[1] = PLLU_MISC1, 2228 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2229 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2230 .div_nmp = &pllu_nmp, 2231 .freq_table = pll_u_freq_table, 2232 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2233 }; 2234 2235 struct utmi_clk_param { 2236 /* Oscillator Frequency in KHz */ 2237 u32 osc_frequency; 2238 /* UTMIP PLL Enable Delay Count */ 2239 u8 enable_delay_count; 2240 /* UTMIP PLL Stable count */ 2241 u16 stable_count; 2242 /* UTMIP PLL Active delay count */ 2243 u8 active_delay_count; 2244 /* UTMIP PLL Xtal frequency count */ 2245 u16 xtal_freq_count; 2246 }; 2247 2248 static const struct utmi_clk_param utmi_parameters[] = { 2249 { 2250 .osc_frequency = 38400000, .enable_delay_count = 0x0, 2251 .stable_count = 0x0, .active_delay_count = 0x6, 2252 .xtal_freq_count = 0x80 2253 }, { 2254 .osc_frequency = 13000000, .enable_delay_count = 0x02, 2255 .stable_count = 0x33, .active_delay_count = 0x05, 2256 .xtal_freq_count = 0x7f 2257 }, { 2258 .osc_frequency = 19200000, .enable_delay_count = 0x03, 2259 .stable_count = 0x4b, .active_delay_count = 0x06, 2260 .xtal_freq_count = 0xbb 2261 }, { 2262 .osc_frequency = 12000000, .enable_delay_count = 0x02, 2263 .stable_count = 0x2f, .active_delay_count = 0x08, 2264 .xtal_freq_count = 0x76 2265 }, { 2266 .osc_frequency = 26000000, .enable_delay_count = 0x04, 2267 .stable_count = 0x66, .active_delay_count = 0x09, 2268 .xtal_freq_count = 0xfe 2269 }, { 2270 .osc_frequency = 16800000, .enable_delay_count = 0x03, 2271 .stable_count = 0x41, .active_delay_count = 0x0a, 2272 .xtal_freq_count = 0xa4 2273 }, 2274 }; 2275 2276 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { 2277 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true }, 2278 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, 2279 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, 2280 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, 2281 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, 2282 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, 2283 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, 2284 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, 2285 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, 2286 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, 2287 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true }, 2288 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true }, 2289 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true }, 2290 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true }, 2291 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true }, 2292 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true }, 2293 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true }, 2294 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true }, 2295 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true }, 2296 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true }, 2297 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true }, 2298 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true }, 2299 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true }, 2300 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true }, 2301 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true }, 2302 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true }, 2303 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true }, 2304 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true }, 2305 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true }, 2306 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true }, 2307 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true }, 2308 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true }, 2309 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true }, 2310 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true }, 2311 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true }, 2312 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true }, 2313 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true }, 2314 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true }, 2315 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true }, 2316 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true }, 2317 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true }, 2318 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true }, 2319 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true }, 2320 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true }, 2321 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true }, 2322 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true }, 2323 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true }, 2324 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true }, 2325 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true }, 2326 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true }, 2327 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true }, 2328 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true }, 2329 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true }, 2330 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true }, 2331 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true }, 2332 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true }, 2333 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true }, 2334 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true }, 2335 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true }, 2336 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true }, 2337 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true }, 2338 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true }, 2339 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true }, 2340 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true }, 2341 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true }, 2342 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true }, 2343 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true }, 2344 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true }, 2345 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true }, 2346 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true }, 2347 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true }, 2348 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true }, 2349 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true }, 2350 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true }, 2351 [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true }, 2352 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true }, 2353 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, }, 2354 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true }, 2355 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true }, 2356 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true }, 2357 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true }, 2358 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true }, 2359 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true }, 2360 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true }, 2361 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true }, 2362 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true }, 2363 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true }, 2364 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true }, 2365 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true }, 2366 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true }, 2367 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true }, 2368 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true }, 2369 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true }, 2370 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true }, 2371 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true }, 2372 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true }, 2373 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true }, 2374 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true }, 2375 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true }, 2376 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true }, 2377 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true }, 2378 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true }, 2379 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true }, 2380 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true }, 2381 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true }, 2382 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true }, 2383 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true }, 2384 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true }, 2385 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true }, 2386 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true }, 2387 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true }, 2388 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true }, 2389 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true }, 2390 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true }, 2391 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true }, 2392 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true }, 2393 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true }, 2394 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true }, 2395 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true }, 2396 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true }, 2397 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true }, 2398 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true }, 2399 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true }, 2400 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true }, 2401 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true }, 2402 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true }, 2403 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true }, 2404 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true }, 2405 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true }, 2406 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true }, 2407 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true }, 2408 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true }, 2409 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true }, 2410 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true }, 2411 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true }, 2412 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true }, 2413 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true }, 2414 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true }, 2415 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true }, 2416 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true }, 2417 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true }, 2418 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true }, 2419 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true }, 2420 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true }, 2421 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true }, 2422 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true }, 2423 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true }, 2424 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true }, 2425 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true }, 2426 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true }, 2427 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true }, 2428 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true }, 2429 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true }, 2430 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true }, 2431 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true }, 2432 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true }, 2433 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true }, 2434 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true }, 2435 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true }, 2436 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true }, 2437 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true }, 2438 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true }, 2439 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true }, 2440 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true }, 2441 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true }, 2442 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true }, 2443 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true }, 2444 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true }, 2445 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true }, 2446 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true }, 2447 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true }, 2448 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true }, 2449 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true }, 2450 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true }, 2451 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true }, 2452 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true }, 2453 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true }, 2454 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true }, 2455 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true }, 2456 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true }, 2457 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true }, 2458 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true }, 2459 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true }, 2460 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true }, 2461 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true }, 2462 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true }, 2463 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true }, 2464 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true }, 2465 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true }, 2466 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true }, 2467 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true }, 2468 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true }, 2469 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true }, 2470 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true }, 2471 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true }, 2472 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true }, 2473 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true }, 2474 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true }, 2475 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true }, 2476 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true }, 2477 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true }, 2478 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true }, 2479 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true }, 2480 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true }, 2481 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true }, 2482 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true }, 2483 }; 2484 2485 static struct tegra_devclk devclks[] __initdata = { 2486 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M }, 2487 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF }, 2488 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K }, 2489 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 }, 2490 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 }, 2491 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C }, 2492 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 }, 2493 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 }, 2494 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 }, 2495 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P }, 2496 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 }, 2497 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 }, 2498 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 }, 2499 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 }, 2500 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M }, 2501 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X }, 2502 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 }, 2503 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U }, 2504 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT }, 2505 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 }, 2506 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 }, 2507 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M }, 2508 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M }, 2509 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M }, 2510 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D }, 2511 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 }, 2512 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 }, 2513 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 }, 2514 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A }, 2515 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 }, 2516 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO }, 2517 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT }, 2518 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC }, 2519 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC }, 2520 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC }, 2521 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC }, 2522 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC }, 2523 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC }, 2524 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC }, 2525 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 }, 2526 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 }, 2527 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 }, 2528 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 }, 2529 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 }, 2530 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF }, 2531 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X }, 2532 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 }, 2533 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 }, 2534 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 }, 2535 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK }, 2536 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G }, 2537 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP }, 2538 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK }, 2539 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK }, 2540 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK }, 2541 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE }, 2542 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC }, 2543 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER }, 2544 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 }, 2545 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 }, 2546 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 }, 2547 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 }, 2548 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX }, 2549 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 }, 2550 }; 2551 2552 static struct tegra_audio_clk_info tegra210_audio_plls[] = { 2553 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" }, 2554 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" }, 2555 }; 2556 2557 static const char * const aclk_parents[] = { 2558 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3", 2559 "clk_m" 2560 }; 2561 2562 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC }; 2563 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG }; 2564 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X, 2565 TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 }; 2566 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA, 2567 TEGRA210_CLK_HOST1X}; 2568 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2569 TEGRA210_CLK_XUSB_DEV }; 2570 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2571 TEGRA210_CLK_XUSB_SS }; 2572 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV, 2573 TEGRA210_CLK_XUSB_SS }; 2574 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X, 2575 TEGRA210_CLK_PLL_D }; 2576 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK, 2577 TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2, 2578 TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT, 2579 TEGRA210_CLK_D_AUDIO }; 2580 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X }; 2581 2582 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = { 2583 [TEGRA_POWERGATE_VENC] = { 2584 .handle_lvl2_ovr = tegra210_venc_mbist_war, 2585 .num_clks = ARRAY_SIZE(venc_slcg_clkids), 2586 .clk_init_data = venc_slcg_clkids, 2587 }, 2588 [TEGRA_POWERGATE_SATA] = { 2589 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2590 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2591 .lvl2_mask = BIT(0) | BIT(17) | BIT(19), 2592 }, 2593 [TEGRA_POWERGATE_MPE] = { 2594 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2595 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2596 .lvl2_mask = BIT(29), 2597 }, 2598 [TEGRA_POWERGATE_SOR] = { 2599 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2600 .num_clks = ARRAY_SIZE(sor_slcg_clkids), 2601 .clk_init_data = sor_slcg_clkids, 2602 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2603 .lvl2_mask = BIT(1) | BIT(2), 2604 }, 2605 [TEGRA_POWERGATE_DIS] = { 2606 .handle_lvl2_ovr = tegra210_disp_mbist_war, 2607 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2608 .clk_init_data = disp_slcg_clkids, 2609 }, 2610 [TEGRA_POWERGATE_DISB] = { 2611 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2612 .clk_init_data = disp_slcg_clkids, 2613 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2614 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2615 .lvl2_mask = BIT(2), 2616 }, 2617 [TEGRA_POWERGATE_XUSBA] = { 2618 .num_clks = ARRAY_SIZE(xusba_slcg_clkids), 2619 .clk_init_data = xusba_slcg_clkids, 2620 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2621 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2622 .lvl2_mask = BIT(30) | BIT(31), 2623 }, 2624 [TEGRA_POWERGATE_XUSBB] = { 2625 .num_clks = ARRAY_SIZE(xusbb_slcg_clkids), 2626 .clk_init_data = xusbb_slcg_clkids, 2627 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2628 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2629 .lvl2_mask = BIT(30) | BIT(31), 2630 }, 2631 [TEGRA_POWERGATE_XUSBC] = { 2632 .num_clks = ARRAY_SIZE(xusbc_slcg_clkids), 2633 .clk_init_data = xusbc_slcg_clkids, 2634 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2635 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2636 .lvl2_mask = BIT(30) | BIT(31), 2637 }, 2638 [TEGRA_POWERGATE_VIC] = { 2639 .num_clks = ARRAY_SIZE(vic_slcg_clkids), 2640 .clk_init_data = vic_slcg_clkids, 2641 .handle_lvl2_ovr = tegra210_vic_mbist_war, 2642 }, 2643 [TEGRA_POWERGATE_NVDEC] = { 2644 .num_clks = ARRAY_SIZE(nvdec_slcg_clkids), 2645 .clk_init_data = nvdec_slcg_clkids, 2646 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2647 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2648 .lvl2_mask = BIT(9) | BIT(31), 2649 }, 2650 [TEGRA_POWERGATE_NVJPG] = { 2651 .num_clks = ARRAY_SIZE(nvjpg_slcg_clkids), 2652 .clk_init_data = nvjpg_slcg_clkids, 2653 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2654 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2655 .lvl2_mask = BIT(9) | BIT(31), 2656 }, 2657 [TEGRA_POWERGATE_AUD] = { 2658 .num_clks = ARRAY_SIZE(ape_slcg_clkids), 2659 .clk_init_data = ape_slcg_clkids, 2660 .handle_lvl2_ovr = tegra210_ape_mbist_war, 2661 }, 2662 [TEGRA_POWERGATE_VE2] = { 2663 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2664 .lvl2_offset = LVL2_CLK_GATE_OVRD, 2665 .lvl2_mask = BIT(22), 2666 }, 2667 }; 2668 2669 int tegra210_clk_handle_mbist_war(unsigned int id) 2670 { 2671 int err; 2672 struct tegra210_domain_mbist_war *mbist_war; 2673 2674 if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) { 2675 WARN(1, "unknown domain id in MBIST WAR handler\n"); 2676 return -EINVAL; 2677 } 2678 2679 mbist_war = &tegra210_pg_mbist_war[id]; 2680 if (!mbist_war->handle_lvl2_ovr) 2681 return 0; 2682 2683 if (mbist_war->num_clks && !mbist_war->clks) 2684 return -ENODEV; 2685 2686 err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks); 2687 if (err < 0) 2688 return err; 2689 2690 mutex_lock(&lvl2_ovr_lock); 2691 2692 mbist_war->handle_lvl2_ovr(mbist_war); 2693 2694 mutex_unlock(&lvl2_ovr_lock); 2695 2696 clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks); 2697 2698 return 0; 2699 } 2700 2701 void tegra210_put_utmipll_in_iddq(void) 2702 { 2703 u32 reg; 2704 2705 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2706 2707 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) { 2708 pr_err("trying to assert IDDQ while UTMIPLL is locked\n"); 2709 return; 2710 } 2711 2712 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2713 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2714 } 2715 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq); 2716 2717 void tegra210_put_utmipll_out_iddq(void) 2718 { 2719 u32 reg; 2720 2721 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2722 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2723 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2724 } 2725 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq); 2726 2727 static void tegra210_utmi_param_configure(void) 2728 { 2729 u32 reg; 2730 int i; 2731 2732 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 2733 if (osc_freq == utmi_parameters[i].osc_frequency) 2734 break; 2735 } 2736 2737 if (i >= ARRAY_SIZE(utmi_parameters)) { 2738 pr_err("%s: Unexpected oscillator freq %lu\n", __func__, 2739 osc_freq); 2740 return; 2741 } 2742 2743 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2744 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2745 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2746 2747 udelay(10); 2748 2749 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2750 2751 /* Program UTMIP PLL stable and active counts */ 2752 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ 2753 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 2754 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count); 2755 2756 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 2757 reg |= 2758 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count); 2759 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2760 2761 /* Program UTMIP PLL delay and oscillator frequency counts */ 2762 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2763 2764 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 2765 reg |= 2766 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count); 2767 2768 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 2769 reg |= 2770 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count); 2771 2772 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 2773 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2774 2775 /* Remove power downs from UTMIP PLL control bits */ 2776 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2777 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2778 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2779 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2780 2781 udelay(20); 2782 2783 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */ 2784 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2785 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP; 2786 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP; 2787 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP; 2788 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 2789 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 2790 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN; 2791 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2792 2793 /* Setup HW control of UTMIPLL */ 2794 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2795 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2796 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2797 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2798 2799 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2800 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET; 2801 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL; 2802 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2803 2804 udelay(1); 2805 2806 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2807 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY; 2808 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2809 2810 udelay(1); 2811 2812 /* Enable HW control UTMIPLL */ 2813 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2814 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE; 2815 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2816 } 2817 2818 static int tegra210_enable_pllu(void) 2819 { 2820 struct tegra_clk_pll_freq_table *fentry; 2821 struct tegra_clk_pll pllu; 2822 u32 reg; 2823 2824 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) { 2825 if (fentry->input_rate == pll_ref_freq) 2826 break; 2827 } 2828 2829 if (!fentry->input_rate) { 2830 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq); 2831 return -EINVAL; 2832 } 2833 2834 /* clear IDDQ bit */ 2835 pllu.params = &pll_u_vco_params; 2836 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]); 2837 reg &= ~BIT(pllu.params->iddq_bit_idx); 2838 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]); 2839 udelay(5); 2840 2841 reg = readl_relaxed(clk_base + PLLU_BASE); 2842 reg &= ~GENMASK(20, 0); 2843 reg |= fentry->m; 2844 reg |= fentry->n << 8; 2845 reg |= fentry->p << 16; 2846 writel(reg, clk_base + PLLU_BASE); 2847 udelay(1); 2848 reg |= PLL_ENABLE; 2849 writel(reg, clk_base + PLLU_BASE); 2850 2851 readl_relaxed_poll_timeout_atomic(clk_base + PLLU_BASE, reg, 2852 reg & PLL_BASE_LOCK, 2, 1000); 2853 if (!(reg & PLL_BASE_LOCK)) { 2854 pr_err("Timed out waiting for PLL_U to lock\n"); 2855 return -ETIMEDOUT; 2856 } 2857 2858 return 0; 2859 } 2860 2861 static int tegra210_init_pllu(void) 2862 { 2863 u32 reg; 2864 int err; 2865 2866 tegra210_pllu_set_defaults(&pll_u_vco_params); 2867 /* skip initialization when pllu is in hw controlled mode */ 2868 reg = readl_relaxed(clk_base + PLLU_BASE); 2869 if (reg & PLLU_BASE_OVERRIDE) { 2870 if (!(reg & PLL_ENABLE)) { 2871 err = tegra210_enable_pllu(); 2872 if (err < 0) { 2873 WARN_ON(1); 2874 return err; 2875 } 2876 } 2877 /* enable hw controlled mode */ 2878 reg = readl_relaxed(clk_base + PLLU_BASE); 2879 reg &= ~PLLU_BASE_OVERRIDE; 2880 writel(reg, clk_base + PLLU_BASE); 2881 2882 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2883 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE | 2884 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT | 2885 PLLU_HW_PWRDN_CFG0_USE_LOCKDET; 2886 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL | 2887 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL); 2888 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2889 2890 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2891 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK; 2892 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2893 udelay(1); 2894 2895 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2896 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE; 2897 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2898 udelay(1); 2899 2900 reg = readl_relaxed(clk_base + PLLU_BASE); 2901 reg &= ~PLLU_BASE_CLKENABLE_USB; 2902 writel_relaxed(reg, clk_base + PLLU_BASE); 2903 } 2904 2905 /* enable UTMIPLL hw control if not yet done by the bootloader */ 2906 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2907 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE)) 2908 tegra210_utmi_param_configure(); 2909 2910 return 0; 2911 } 2912 2913 static const char * const sor1_out_parents[] = { 2914 /* 2915 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so 2916 * the sor1_pad_clkout parent appears twice in the list below. This is 2917 * merely to support clk_get_parent() if firmware happened to set 2918 * these bits to 0b11. While not an invalid setting, code should 2919 * always set the bits to 0b01 to select sor1_pad_clkout. 2920 */ 2921 "sor_safe", "sor1_pad_clkout", "sor1", "sor1_pad_clkout", 2922 }; 2923 2924 static const char * const sor1_parents[] = { 2925 "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m", 2926 }; 2927 2928 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 }; 2929 2930 static struct tegra_periph_init_data tegra210_periph[] = { 2931 TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents, 2932 CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1, 2933 TEGRA_DIVIDER_ROUND_UP, 183, 0, tegra_clk_sor1, 2934 sor1_parents_idx, 0, &sor1_lock), 2935 }; 2936 2937 static const char * const la_parents[] = { 2938 "pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0" 2939 }; 2940 2941 static struct tegra_clk_periph tegra210_la = 2942 TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, 0); 2943 2944 static __init void tegra210_periph_clk_init(void __iomem *clk_base, 2945 void __iomem *pmc_base) 2946 { 2947 struct clk *clk; 2948 unsigned int i; 2949 2950 /* xusb_ss_div2 */ 2951 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, 2952 1, 2); 2953 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk; 2954 2955 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base, 2956 1, 17, 222); 2957 clks[TEGRA210_CLK_SOR_SAFE] = clk; 2958 2959 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base, 2960 1, 17, 181); 2961 clks[TEGRA210_CLK_DPAUX] = clk; 2962 2963 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base, 2964 1, 17, 207); 2965 clks[TEGRA210_CLK_DPAUX1] = clk; 2966 2967 clk = clk_register_mux_table(NULL, "sor1_out", sor1_out_parents, 2968 ARRAY_SIZE(sor1_out_parents), 0, 2969 clk_base + CLK_SOURCE_SOR1, 14, 0x3, 2970 0, NULL, &sor1_lock); 2971 clks[TEGRA210_CLK_SOR1_OUT] = clk; 2972 2973 /* pll_d_dsi_out */ 2974 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, 2975 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); 2976 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk; 2977 2978 /* dsia */ 2979 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0, 2980 clk_base, 0, 48, 2981 periph_clk_enb_refcnt); 2982 clks[TEGRA210_CLK_DSIA] = clk; 2983 2984 /* dsib */ 2985 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0, 2986 clk_base, 0, 82, 2987 periph_clk_enb_refcnt); 2988 clks[TEGRA210_CLK_DSIB] = clk; 2989 2990 /* la */ 2991 clk = tegra_clk_register_periph("la", la_parents, 2992 ARRAY_SIZE(la_parents), &tegra210_la, clk_base, 2993 CLK_SOURCE_LA, 0); 2994 clks[TEGRA210_CLK_LA] = clk; 2995 2996 /* emc mux */ 2997 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, 2998 ARRAY_SIZE(mux_pllmcp_clkm), 0, 2999 clk_base + CLK_SOURCE_EMC, 3000 29, 3, 0, &emc_lock); 3001 3002 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, 3003 &emc_lock); 3004 clks[TEGRA210_CLK_MC] = clk; 3005 3006 /* cml0 */ 3007 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 3008 0, 0, &pll_e_lock); 3009 clk_register_clkdev(clk, "cml0", NULL); 3010 clks[TEGRA210_CLK_CML0] = clk; 3011 3012 /* cml1 */ 3013 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 3014 1, 0, &pll_e_lock); 3015 clk_register_clkdev(clk, "cml1", NULL); 3016 clks[TEGRA210_CLK_CML1] = clk; 3017 3018 clk = tegra_clk_register_super_clk("aclk", aclk_parents, 3019 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0, 3020 0, NULL); 3021 clks[TEGRA210_CLK_ACLK] = clk; 3022 3023 clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base, 3024 CLK_SOURCE_SDMMC2, 9, 3025 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3026 clks[TEGRA210_CLK_SDMMC2] = clk; 3027 3028 clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base, 3029 CLK_SOURCE_SDMMC4, 15, 3030 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3031 clks[TEGRA210_CLK_SDMMC4] = clk; 3032 3033 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) { 3034 struct tegra_periph_init_data *init = &tegra210_periph[i]; 3035 struct clk **clkp; 3036 3037 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks); 3038 if (!clkp) { 3039 pr_warn("clock %u not found\n", init->clk_id); 3040 continue; 3041 } 3042 3043 clk = tegra_clk_register_periph_data(clk_base, init); 3044 *clkp = clk; 3045 } 3046 3047 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); 3048 } 3049 3050 static void __init tegra210_pll_init(void __iomem *clk_base, 3051 void __iomem *pmc) 3052 { 3053 struct clk *clk; 3054 3055 /* PLLC */ 3056 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base, 3057 pmc, 0, &pll_c_params, NULL); 3058 if (!WARN_ON(IS_ERR(clk))) 3059 clk_register_clkdev(clk, "pll_c", NULL); 3060 clks[TEGRA210_CLK_PLL_C] = clk; 3061 3062 /* PLLC_OUT1 */ 3063 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 3064 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3065 8, 8, 1, NULL); 3066 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 3067 clk_base + PLLC_OUT, 1, 0, 3068 CLK_SET_RATE_PARENT, 0, NULL); 3069 clk_register_clkdev(clk, "pll_c_out1", NULL); 3070 clks[TEGRA210_CLK_PLL_C_OUT1] = clk; 3071 3072 /* PLLC_UD */ 3073 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c", 3074 CLK_SET_RATE_PARENT, 1, 1); 3075 clk_register_clkdev(clk, "pll_c_ud", NULL); 3076 clks[TEGRA210_CLK_PLL_C_UD] = clk; 3077 3078 /* PLLC2 */ 3079 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base, 3080 pmc, 0, &pll_c2_params, NULL); 3081 clk_register_clkdev(clk, "pll_c2", NULL); 3082 clks[TEGRA210_CLK_PLL_C2] = clk; 3083 3084 /* PLLC3 */ 3085 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base, 3086 pmc, 0, &pll_c3_params, NULL); 3087 clk_register_clkdev(clk, "pll_c3", NULL); 3088 clks[TEGRA210_CLK_PLL_C3] = clk; 3089 3090 /* PLLM */ 3091 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc, 3092 CLK_SET_RATE_GATE, &pll_m_params, NULL); 3093 clk_register_clkdev(clk, "pll_m", NULL); 3094 clks[TEGRA210_CLK_PLL_M] = clk; 3095 3096 /* PLLMB */ 3097 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc, 3098 CLK_SET_RATE_GATE, &pll_mb_params, NULL); 3099 clk_register_clkdev(clk, "pll_mb", NULL); 3100 clks[TEGRA210_CLK_PLL_MB] = clk; 3101 3102 /* PLLM_UD */ 3103 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", 3104 CLK_SET_RATE_PARENT, 1, 1); 3105 clk_register_clkdev(clk, "pll_m_ud", NULL); 3106 clks[TEGRA210_CLK_PLL_M_UD] = clk; 3107 3108 /* PLLU_VCO */ 3109 if (!tegra210_init_pllu()) { 3110 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0, 3111 480*1000*1000); 3112 clk_register_clkdev(clk, "pll_u_vco", NULL); 3113 clks[TEGRA210_CLK_PLL_U] = clk; 3114 } 3115 3116 /* PLLU_OUT */ 3117 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0, 3118 clk_base + PLLU_BASE, 16, 4, 0, 3119 pll_vco_post_div_table, NULL); 3120 clk_register_clkdev(clk, "pll_u_out", NULL); 3121 clks[TEGRA210_CLK_PLL_U_OUT] = clk; 3122 3123 /* PLLU_OUT1 */ 3124 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out", 3125 clk_base + PLLU_OUTA, 0, 3126 TEGRA_DIVIDER_ROUND_UP, 3127 8, 8, 1, &pll_u_lock); 3128 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div", 3129 clk_base + PLLU_OUTA, 1, 0, 3130 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3131 clk_register_clkdev(clk, "pll_u_out1", NULL); 3132 clks[TEGRA210_CLK_PLL_U_OUT1] = clk; 3133 3134 /* PLLU_OUT2 */ 3135 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out", 3136 clk_base + PLLU_OUTA, 0, 3137 TEGRA_DIVIDER_ROUND_UP, 3138 24, 8, 1, &pll_u_lock); 3139 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div", 3140 clk_base + PLLU_OUTA, 17, 16, 3141 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3142 clk_register_clkdev(clk, "pll_u_out2", NULL); 3143 clks[TEGRA210_CLK_PLL_U_OUT2] = clk; 3144 3145 /* PLLU_480M */ 3146 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco", 3147 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3148 22, 0, &pll_u_lock); 3149 clk_register_clkdev(clk, "pll_u_480M", NULL); 3150 clks[TEGRA210_CLK_PLL_U_480M] = clk; 3151 3152 /* PLLU_60M */ 3153 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2", 3154 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3155 23, 0, &pll_u_lock); 3156 clk_register_clkdev(clk, "pll_u_60M", NULL); 3157 clks[TEGRA210_CLK_PLL_U_60M] = clk; 3158 3159 /* PLLU_48M */ 3160 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1", 3161 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3162 25, 0, &pll_u_lock); 3163 clk_register_clkdev(clk, "pll_u_48M", NULL); 3164 clks[TEGRA210_CLK_PLL_U_48M] = clk; 3165 3166 /* PLLD */ 3167 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, 3168 &pll_d_params, &pll_d_lock); 3169 clk_register_clkdev(clk, "pll_d", NULL); 3170 clks[TEGRA210_CLK_PLL_D] = clk; 3171 3172 /* PLLD_OUT0 */ 3173 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 3174 CLK_SET_RATE_PARENT, 1, 2); 3175 clk_register_clkdev(clk, "pll_d_out0", NULL); 3176 clks[TEGRA210_CLK_PLL_D_OUT0] = clk; 3177 3178 /* PLLRE */ 3179 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref", 3180 clk_base, pmc, 0, 3181 &pll_re_vco_params, 3182 &pll_re_lock, pll_ref_freq); 3183 clk_register_clkdev(clk, "pll_re_vco", NULL); 3184 clks[TEGRA210_CLK_PLL_RE_VCO] = clk; 3185 3186 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, 3187 clk_base + PLLRE_BASE, 16, 5, 0, 3188 pll_vco_post_div_table, &pll_re_lock); 3189 clk_register_clkdev(clk, "pll_re_out", NULL); 3190 clks[TEGRA210_CLK_PLL_RE_OUT] = clk; 3191 3192 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco", 3193 clk_base + PLLRE_OUT1, 0, 3194 TEGRA_DIVIDER_ROUND_UP, 3195 8, 8, 1, NULL); 3196 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div", 3197 clk_base + PLLRE_OUT1, 1, 0, 3198 CLK_SET_RATE_PARENT, 0, NULL); 3199 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk; 3200 3201 /* PLLE */ 3202 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref", 3203 clk_base, 0, &pll_e_params, NULL); 3204 clk_register_clkdev(clk, "pll_e", NULL); 3205 clks[TEGRA210_CLK_PLL_E] = clk; 3206 3207 /* PLLC4 */ 3208 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc, 3209 0, &pll_c4_vco_params, NULL, pll_ref_freq); 3210 clk_register_clkdev(clk, "pll_c4_vco", NULL); 3211 clks[TEGRA210_CLK_PLL_C4] = clk; 3212 3213 /* PLLC4_OUT0 */ 3214 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0, 3215 clk_base + PLLC4_BASE, 19, 4, 0, 3216 pll_vco_post_div_table, NULL); 3217 clk_register_clkdev(clk, "pll_c4_out0", NULL); 3218 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk; 3219 3220 /* PLLC4_OUT1 */ 3221 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco", 3222 CLK_SET_RATE_PARENT, 1, 3); 3223 clk_register_clkdev(clk, "pll_c4_out1", NULL); 3224 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk; 3225 3226 /* PLLC4_OUT2 */ 3227 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco", 3228 CLK_SET_RATE_PARENT, 1, 5); 3229 clk_register_clkdev(clk, "pll_c4_out2", NULL); 3230 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk; 3231 3232 /* PLLC4_OUT3 */ 3233 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0", 3234 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3235 8, 8, 1, NULL); 3236 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div", 3237 clk_base + PLLC4_OUT, 1, 0, 3238 CLK_SET_RATE_PARENT, 0, NULL); 3239 clk_register_clkdev(clk, "pll_c4_out3", NULL); 3240 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk; 3241 3242 /* PLLDP */ 3243 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base, 3244 0, &pll_dp_params, NULL); 3245 clk_register_clkdev(clk, "pll_dp", NULL); 3246 clks[TEGRA210_CLK_PLL_DP] = clk; 3247 3248 /* PLLD2 */ 3249 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base, 3250 0, &pll_d2_params, NULL); 3251 clk_register_clkdev(clk, "pll_d2", NULL); 3252 clks[TEGRA210_CLK_PLL_D2] = clk; 3253 3254 /* PLLD2_OUT0 */ 3255 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 3256 CLK_SET_RATE_PARENT, 1, 1); 3257 clk_register_clkdev(clk, "pll_d2_out0", NULL); 3258 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk; 3259 3260 /* PLLP_OUT2 */ 3261 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p", 3262 CLK_SET_RATE_PARENT, 1, 2); 3263 clk_register_clkdev(clk, "pll_p_out2", NULL); 3264 clks[TEGRA210_CLK_PLL_P_OUT2] = clk; 3265 3266 } 3267 3268 /* Tegra210 CPU clock and reset control functions */ 3269 static void tegra210_wait_cpu_in_reset(u32 cpu) 3270 { 3271 unsigned int reg; 3272 3273 do { 3274 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 3275 cpu_relax(); 3276 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 3277 } 3278 3279 static void tegra210_disable_cpu_clock(u32 cpu) 3280 { 3281 /* flow controller would take care in the power sequence. */ 3282 } 3283 3284 #ifdef CONFIG_PM_SLEEP 3285 static void tegra210_cpu_clock_suspend(void) 3286 { 3287 /* switch coresite to clk_m, save off original source */ 3288 tegra210_cpu_clk_sctx.clk_csite_src = 3289 readl(clk_base + CLK_SOURCE_CSITE); 3290 writel(3 << 30, clk_base + CLK_SOURCE_CSITE); 3291 } 3292 3293 static void tegra210_cpu_clock_resume(void) 3294 { 3295 writel(tegra210_cpu_clk_sctx.clk_csite_src, 3296 clk_base + CLK_SOURCE_CSITE); 3297 } 3298 #endif 3299 3300 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = { 3301 .wait_for_reset = tegra210_wait_cpu_in_reset, 3302 .disable_clock = tegra210_disable_cpu_clock, 3303 #ifdef CONFIG_PM_SLEEP 3304 .suspend = tegra210_cpu_clock_suspend, 3305 .resume = tegra210_cpu_clock_resume, 3306 #endif 3307 }; 3308 3309 static const struct of_device_id pmc_match[] __initconst = { 3310 { .compatible = "nvidia,tegra210-pmc" }, 3311 { }, 3312 }; 3313 3314 static struct tegra_clk_init_table init_table[] __initdata = { 3315 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3316 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3317 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3318 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3319 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 }, 3320 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 }, 3321 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 }, 3322 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 }, 3323 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3324 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3325 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3326 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3327 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3328 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3329 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 }, 3330 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 }, 3331 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 }, 3332 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3333 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3334 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, 3335 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 }, 3336 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3337 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, 3338 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, 3339 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3340 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3341 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 }, 3342 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3343 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3344 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 }, 3345 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 }, 3346 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3347 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3348 /* TODO find a way to enable this on-demand */ 3349 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3350 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 }, 3351 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 }, 3352 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 }, 3353 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 }, 3354 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 }, 3355 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 }, 3356 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 }, 3357 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 }, 3358 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3359 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3360 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, 3361 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, 3362 { TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3363 { TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3364 { TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3365 { TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3366 { TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3367 { TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3368 { TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3369 /* This MUST be the last entry. */ 3370 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 }, 3371 }; 3372 3373 /** 3374 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs 3375 * 3376 * Program an initial clock rate and enable or disable clocks needed 3377 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be 3378 * called by assigning a pointer to it to tegra_clk_apply_init_table - 3379 * this will be called as an arch_initcall. No return value. 3380 */ 3381 static void __init tegra210_clock_apply_init_table(void) 3382 { 3383 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX); 3384 } 3385 3386 /** 3387 * tegra210_car_barrier - wait for pending writes to the CAR to complete 3388 * 3389 * Wait for any outstanding writes to the CAR MMIO space from this CPU 3390 * to complete before continuing execution. No return value. 3391 */ 3392 static void tegra210_car_barrier(void) 3393 { 3394 readl_relaxed(clk_base + RST_DFLL_DVCO); 3395 } 3396 3397 /** 3398 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset 3399 * 3400 * Assert the reset line of the DFLL's DVCO. No return value. 3401 */ 3402 static void tegra210_clock_assert_dfll_dvco_reset(void) 3403 { 3404 u32 v; 3405 3406 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3407 v |= (1 << DVFS_DFLL_RESET_SHIFT); 3408 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3409 tegra210_car_barrier(); 3410 } 3411 3412 /** 3413 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset 3414 * 3415 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to 3416 * operate. No return value. 3417 */ 3418 static void tegra210_clock_deassert_dfll_dvco_reset(void) 3419 { 3420 u32 v; 3421 3422 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3423 v &= ~(1 << DVFS_DFLL_RESET_SHIFT); 3424 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3425 tegra210_car_barrier(); 3426 } 3427 3428 static int tegra210_reset_assert(unsigned long id) 3429 { 3430 if (id == TEGRA210_RST_DFLL_DVCO) 3431 tegra210_clock_assert_dfll_dvco_reset(); 3432 else if (id == TEGRA210_RST_ADSP) 3433 writel(GENMASK(26, 21) | BIT(7), 3434 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET); 3435 else 3436 return -EINVAL; 3437 3438 return 0; 3439 } 3440 3441 static int tegra210_reset_deassert(unsigned long id) 3442 { 3443 if (id == TEGRA210_RST_DFLL_DVCO) 3444 tegra210_clock_deassert_dfll_dvco_reset(); 3445 else if (id == TEGRA210_RST_ADSP) { 3446 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3447 /* 3448 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz) 3449 * a delay of 5us ensures that it's at least 3450 * 6 * adsp_cpu_cycle_period long. 3451 */ 3452 udelay(5); 3453 writel(GENMASK(26, 22) | BIT(7), 3454 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3455 } else 3456 return -EINVAL; 3457 3458 return 0; 3459 } 3460 3461 static void tegra210_mbist_clk_init(void) 3462 { 3463 unsigned int i, j; 3464 3465 for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) { 3466 unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks; 3467 struct clk_bulk_data *clk_data; 3468 3469 if (!num_clks) 3470 continue; 3471 3472 clk_data = kmalloc_array(num_clks, sizeof(*clk_data), 3473 GFP_KERNEL); 3474 if (WARN_ON(!clk_data)) 3475 return; 3476 3477 tegra210_pg_mbist_war[i].clks = clk_data; 3478 for (j = 0; j < num_clks; j++) { 3479 int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j]; 3480 struct clk *clk = clks[clk_id]; 3481 3482 if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) { 3483 kfree(clk_data); 3484 tegra210_pg_mbist_war[i].clks = NULL; 3485 break; 3486 } 3487 clk_data[j].clk = clk; 3488 } 3489 } 3490 } 3491 3492 /** 3493 * tegra210_clock_init - Tegra210-specific clock initialization 3494 * @np: struct device_node * of the DT node for the SoC CAR IP block 3495 * 3496 * Register most SoC clocks for the Tegra210 system-on-chip. Intended 3497 * to be called by the OF init code when a DT node with the 3498 * "nvidia,tegra210-car" string is encountered, and declared with 3499 * CLK_OF_DECLARE. No return value. 3500 */ 3501 static void __init tegra210_clock_init(struct device_node *np) 3502 { 3503 struct device_node *node; 3504 u32 value, clk_m_div; 3505 3506 clk_base = of_iomap(np, 0); 3507 if (!clk_base) { 3508 pr_err("ioremap tegra210 CAR failed\n"); 3509 return; 3510 } 3511 3512 node = of_find_matching_node(NULL, pmc_match); 3513 if (!node) { 3514 pr_err("Failed to find pmc node\n"); 3515 WARN_ON(1); 3516 return; 3517 } 3518 3519 pmc_base = of_iomap(node, 0); 3520 if (!pmc_base) { 3521 pr_err("Can't map pmc registers\n"); 3522 WARN_ON(1); 3523 return; 3524 } 3525 3526 ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K); 3527 if (!ahub_base) { 3528 pr_err("ioremap tegra210 APE failed\n"); 3529 return; 3530 } 3531 3532 dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K); 3533 if (!dispa_base) { 3534 pr_err("ioremap tegra210 DISPA failed\n"); 3535 return; 3536 } 3537 3538 vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K); 3539 if (!vic_base) { 3540 pr_err("ioremap tegra210 VIC failed\n"); 3541 return; 3542 } 3543 3544 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX, 3545 TEGRA210_CAR_BANK_COUNT); 3546 if (!clks) 3547 return; 3548 3549 value = readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT; 3550 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1; 3551 3552 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq, 3553 ARRAY_SIZE(tegra210_input_freq), clk_m_div, 3554 &osc_freq, &pll_ref_freq) < 0) 3555 return; 3556 3557 tegra_fixed_clk_init(tegra210_clks); 3558 tegra210_pll_init(clk_base, pmc_base); 3559 tegra210_periph_clk_init(clk_base, pmc_base); 3560 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, 3561 tegra210_audio_plls, 3562 ARRAY_SIZE(tegra210_audio_plls), 24576000); 3563 tegra_pmc_clk_init(pmc_base, tegra210_clks); 3564 3565 /* For Tegra210, PLLD is the only source for DSIA & DSIB */ 3566 value = readl(clk_base + PLLD_BASE); 3567 value &= ~BIT(25); 3568 writel(value, clk_base + PLLD_BASE); 3569 3570 tegra_clk_apply_init_table = tegra210_clock_apply_init_table; 3571 3572 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks, 3573 &pll_x_params); 3574 tegra_init_special_resets(2, tegra210_reset_assert, 3575 tegra210_reset_deassert); 3576 3577 tegra_add_of_provider(np, of_clk_src_onecell_get); 3578 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 3579 3580 tegra210_mbist_clk_init(); 3581 3582 tegra_cpu_car_ops = &tegra210_cpu_car_ops; 3583 } 3584 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init); 3585