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 /* 988 * PLL is ON: check if defaults already set, then set those 989 * that can be updated in flight. 990 */ 991 val &= PLLRE_BASE_DEFAULT_MASK; 992 if (val != PLLRE_BASE_DEFAULT_VALUE) { 993 pr_warn("pllre boot base 0x%x : expected 0x%x\n", 994 val, PLLRE_BASE_DEFAULT_VALUE); 995 pr_warn("(comparison mask = 0x%x)\n", 996 PLLRE_BASE_DEFAULT_MASK); 997 pllre->params->defaults_set = false; 998 } 999 1000 /* Ignore lock enable */ 1001 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ); 1002 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE; 1003 _pll_misc_chk_default(clk_base, pllre->params, 0, val, 1004 ~mask & PLLRE_MISC0_WRITE_MASK); 1005 1006 /* The PLL doesn't work if it's in IDDQ. */ 1007 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]); 1008 if (val & PLLRE_MISC0_IDDQ) 1009 pr_warn("unexpected IDDQ bit set for enabled clock\n"); 1010 1011 /* Enable lock detect */ 1012 val &= ~mask; 1013 val |= PLLRE_MISC0_DEFAULT_VALUE & mask; 1014 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]); 1015 udelay(1); 1016 1017 if (!pllre->params->defaults_set) 1018 pr_warn("PLL_RE already enabled. Postponing set full defaults\n"); 1019 1020 return; 1021 } 1022 1023 /* set IDDQ, enable lock detect */ 1024 val &= ~PLLRE_BASE_DEFAULT_MASK; 1025 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK; 1026 writel_relaxed(val, clk_base + pllre->params->base_reg); 1027 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE, 1028 clk_base + pllre->params->ext_misc_reg[0]); 1029 udelay(1); 1030 } 1031 1032 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) 1033 { 1034 unsigned long input_rate; 1035 1036 /* cf rate */ 1037 if (!IS_ERR_OR_NULL(hw->clk)) 1038 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); 1039 else 1040 input_rate = 38400000; 1041 1042 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); 1043 1044 switch (input_rate) { 1045 case 12000000: 1046 case 12800000: 1047 case 13000000: 1048 *step_a = 0x2B; 1049 *step_b = 0x0B; 1050 return; 1051 case 19200000: 1052 *step_a = 0x12; 1053 *step_b = 0x08; 1054 return; 1055 case 38400000: 1056 *step_a = 0x04; 1057 *step_b = 0x05; 1058 return; 1059 default: 1060 pr_err("%s: Unexpected reference rate %lu\n", 1061 __func__, input_rate); 1062 BUG(); 1063 } 1064 } 1065 1066 static void pllx_check_defaults(struct tegra_clk_pll *pll) 1067 { 1068 u32 default_val; 1069 1070 default_val = PLLX_MISC0_DEFAULT_VALUE; 1071 /* ignore lock enable */ 1072 _pll_misc_chk_default(clk_base, pll->params, 0, default_val, 1073 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE)); 1074 1075 default_val = PLLX_MISC1_DEFAULT_VALUE; 1076 _pll_misc_chk_default(clk_base, pll->params, 1, default_val, 1077 PLLX_MISC1_WRITE_MASK); 1078 1079 /* ignore all but control bit */ 1080 default_val = PLLX_MISC2_DEFAULT_VALUE; 1081 _pll_misc_chk_default(clk_base, pll->params, 2, 1082 default_val, PLLX_MISC2_EN_DYNRAMP); 1083 1084 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ); 1085 _pll_misc_chk_default(clk_base, pll->params, 3, default_val, 1086 PLLX_MISC3_WRITE_MASK); 1087 1088 default_val = PLLX_MISC4_DEFAULT_VALUE; 1089 _pll_misc_chk_default(clk_base, pll->params, 4, default_val, 1090 PLLX_MISC4_WRITE_MASK); 1091 1092 default_val = PLLX_MISC5_DEFAULT_VALUE; 1093 _pll_misc_chk_default(clk_base, pll->params, 5, default_val, 1094 PLLX_MISC5_WRITE_MASK); 1095 } 1096 1097 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) 1098 { 1099 u32 val; 1100 u32 step_a, step_b; 1101 1102 pllx->params->defaults_set = true; 1103 1104 /* Get ready dyn ramp state machine settings */ 1105 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b); 1106 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) & 1107 (~PLLX_MISC2_DYNRAMP_STEPB_MASK); 1108 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT; 1109 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT; 1110 1111 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) { 1112 1113 /* 1114 * PLL is ON: check if defaults already set, then set those 1115 * that can be updated in flight. 1116 */ 1117 pllx_check_defaults(pllx); 1118 1119 if (!pllx->params->defaults_set) 1120 pr_warn("PLL_X already enabled. Postponing set full defaults\n"); 1121 /* Configure dyn ramp, disable lock override */ 1122 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1123 1124 /* Enable lock detect */ 1125 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]); 1126 val &= ~PLLX_MISC0_LOCK_ENABLE; 1127 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE; 1128 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]); 1129 udelay(1); 1130 1131 return; 1132 } 1133 1134 /* Enable lock detect and CPU output */ 1135 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base + 1136 pllx->params->ext_misc_reg[0]); 1137 1138 /* Setup */ 1139 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base + 1140 pllx->params->ext_misc_reg[1]); 1141 1142 /* Configure dyn ramp state machine, disable lock override */ 1143 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1144 1145 /* Set IDDQ */ 1146 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base + 1147 pllx->params->ext_misc_reg[3]); 1148 1149 /* Disable SDM */ 1150 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base + 1151 pllx->params->ext_misc_reg[4]); 1152 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base + 1153 pllx->params->ext_misc_reg[5]); 1154 udelay(1); 1155 } 1156 1157 /* PLLMB */ 1158 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) 1159 { 1160 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg); 1161 1162 pllmb->params->defaults_set = true; 1163 1164 if (val & PLL_ENABLE) { 1165 1166 /* 1167 * PLL is ON: check if defaults already set, then set those 1168 * that can be updated in flight. 1169 */ 1170 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ); 1171 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE; 1172 _pll_misc_chk_default(clk_base, pllmb->params, 0, val, 1173 ~mask & PLLMB_MISC1_WRITE_MASK); 1174 1175 if (!pllmb->params->defaults_set) 1176 pr_warn("PLL_MB already enabled. Postponing set full defaults\n"); 1177 /* Enable lock detect */ 1178 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]); 1179 val &= ~mask; 1180 val |= PLLMB_MISC1_DEFAULT_VALUE & mask; 1181 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]); 1182 udelay(1); 1183 1184 return; 1185 } 1186 1187 /* set IDDQ, enable lock detect */ 1188 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE, 1189 clk_base + pllmb->params->ext_misc_reg[0]); 1190 udelay(1); 1191 } 1192 1193 /* 1194 * PLLP 1195 * VCO is exposed to the clock tree directly along with post-divider output. 1196 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz, 1197 * respectively. 1198 */ 1199 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled) 1200 { 1201 u32 val, mask; 1202 1203 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */ 1204 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ); 1205 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1206 if (!enabled) 1207 mask |= PLLP_MISC0_IDDQ; 1208 _pll_misc_chk_default(clk_base, pll->params, 0, val, 1209 ~mask & PLLP_MISC0_WRITE_MASK); 1210 1211 /* Ignore branch controls */ 1212 val = PLLP_MISC1_DEFAULT_VALUE; 1213 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1214 _pll_misc_chk_default(clk_base, pll->params, 1, val, 1215 ~mask & PLLP_MISC1_WRITE_MASK); 1216 } 1217 1218 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) 1219 { 1220 u32 mask; 1221 u32 val = readl_relaxed(clk_base + pllp->params->base_reg); 1222 1223 pllp->params->defaults_set = true; 1224 1225 if (val & PLL_ENABLE) { 1226 1227 /* 1228 * PLL is ON: check if defaults already set, then set those 1229 * that can be updated in flight. 1230 */ 1231 pllp_check_defaults(pllp, true); 1232 if (!pllp->params->defaults_set) 1233 pr_warn("PLL_P already enabled. Postponing set full defaults\n"); 1234 1235 /* Enable lock detect */ 1236 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]); 1237 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1238 val &= ~mask; 1239 val |= PLLP_MISC0_DEFAULT_VALUE & mask; 1240 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]); 1241 udelay(1); 1242 1243 return; 1244 } 1245 1246 /* set IDDQ, enable lock detect */ 1247 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE, 1248 clk_base + pllp->params->ext_misc_reg[0]); 1249 1250 /* Preserve branch control */ 1251 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]); 1252 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1253 val &= mask; 1254 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE; 1255 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]); 1256 udelay(1); 1257 } 1258 1259 /* 1260 * PLLU 1261 * VCO is exposed to the clock tree directly along with post-divider output. 1262 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz, 1263 * respectively. 1264 */ 1265 static void pllu_check_defaults(struct tegra_clk_pll_params *params, 1266 bool hw_control) 1267 { 1268 u32 val, mask; 1269 1270 /* Ignore lock enable (will be set) and IDDQ if under h/w control */ 1271 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ); 1272 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0); 1273 _pll_misc_chk_default(clk_base, params, 0, val, 1274 ~mask & PLLU_MISC0_WRITE_MASK); 1275 1276 val = PLLU_MISC1_DEFAULT_VALUE; 1277 mask = PLLU_MISC1_LOCK_OVERRIDE; 1278 _pll_misc_chk_default(clk_base, params, 1, val, 1279 ~mask & PLLU_MISC1_WRITE_MASK); 1280 } 1281 1282 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu) 1283 { 1284 u32 val = readl_relaxed(clk_base + pllu->base_reg); 1285 1286 pllu->defaults_set = true; 1287 1288 if (val & PLL_ENABLE) { 1289 1290 /* 1291 * PLL is ON: check if defaults already set, then set those 1292 * that can be updated in flight. 1293 */ 1294 pllu_check_defaults(pllu, false); 1295 if (!pllu->defaults_set) 1296 pr_warn("PLL_U already enabled. Postponing set full defaults\n"); 1297 1298 /* Enable lock detect */ 1299 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]); 1300 val &= ~PLLU_MISC0_LOCK_ENABLE; 1301 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE; 1302 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]); 1303 1304 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]); 1305 val &= ~PLLU_MISC1_LOCK_OVERRIDE; 1306 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE; 1307 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]); 1308 udelay(1); 1309 1310 return; 1311 } 1312 1313 /* set IDDQ, enable lock detect */ 1314 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE, 1315 clk_base + pllu->ext_misc_reg[0]); 1316 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE, 1317 clk_base + pllu->ext_misc_reg[1]); 1318 udelay(1); 1319 } 1320 1321 #define mask(w) ((1 << (w)) - 1) 1322 #define divm_mask(p) mask(p->params->div_nmp->divm_width) 1323 #define divn_mask(p) mask(p->params->div_nmp->divn_width) 1324 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ 1325 mask(p->params->div_nmp->divp_width)) 1326 1327 #define divm_shift(p) ((p)->params->div_nmp->divm_shift) 1328 #define divn_shift(p) ((p)->params->div_nmp->divn_shift) 1329 #define divp_shift(p) ((p)->params->div_nmp->divp_shift) 1330 1331 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p)) 1332 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p)) 1333 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p)) 1334 1335 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */ 1336 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll, 1337 u32 reg, u32 mask) 1338 { 1339 int i; 1340 u32 val = 0; 1341 1342 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) { 1343 udelay(PLL_LOCKDET_DELAY); 1344 val = readl_relaxed(clk_base + reg); 1345 if ((val & mask) == mask) { 1346 udelay(PLL_LOCKDET_DELAY); 1347 return 0; 1348 } 1349 } 1350 return -ETIMEDOUT; 1351 } 1352 1353 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx, 1354 struct tegra_clk_pll_freq_table *cfg) 1355 { 1356 u32 val, base, ndiv_new_mask; 1357 1358 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift) 1359 << PLLX_MISC2_NDIV_NEW_SHIFT; 1360 1361 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1362 val &= (~ndiv_new_mask); 1363 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT; 1364 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1365 udelay(1); 1366 1367 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1368 val |= PLLX_MISC2_EN_DYNRAMP; 1369 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1370 udelay(1); 1371 1372 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2], 1373 PLLX_MISC2_DYNRAMP_DONE); 1374 1375 base = readl_relaxed(clk_base + pllx->params->base_reg) & 1376 (~divn_mask_shifted(pllx)); 1377 base |= cfg->n << pllx->params->div_nmp->divn_shift; 1378 writel_relaxed(base, clk_base + pllx->params->base_reg); 1379 udelay(1); 1380 1381 val &= ~PLLX_MISC2_EN_DYNRAMP; 1382 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1383 udelay(1); 1384 1385 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n", 1386 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p, 1387 cfg->input_rate / cfg->m * cfg->n / 1388 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000); 1389 1390 return 0; 1391 } 1392 1393 /* 1394 * Common configuration for PLLs with fixed input divider policy: 1395 * - always set fixed M-value based on the reference rate 1396 * - always set P-value value 1:1 for output rates above VCO minimum, and 1397 * choose minimum necessary P-value for output rates below VCO maximum 1398 * - calculate N-value based on selected M and P 1399 * - calculate SDM_DIN fractional part 1400 */ 1401 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw, 1402 struct tegra_clk_pll_freq_table *cfg, 1403 unsigned long rate, unsigned long input_rate) 1404 { 1405 struct tegra_clk_pll *pll = to_clk_pll(hw); 1406 struct tegra_clk_pll_params *params = pll->params; 1407 int p; 1408 unsigned long cf, p_rate; 1409 u32 pdiv; 1410 1411 if (!rate) 1412 return -EINVAL; 1413 1414 if (!(params->flags & TEGRA_PLL_VCO_OUT)) { 1415 p = DIV_ROUND_UP(params->vco_min, rate); 1416 p = params->round_p_to_pdiv(p, &pdiv); 1417 } else { 1418 p = rate >= params->vco_min ? 1 : -EINVAL; 1419 } 1420 1421 if (p < 0) 1422 return -EINVAL; 1423 1424 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate); 1425 cfg->p = p; 1426 1427 /* Store P as HW value, as that is what is expected */ 1428 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p); 1429 1430 p_rate = rate * p; 1431 if (p_rate > params->vco_max) 1432 p_rate = params->vco_max; 1433 cf = input_rate / cfg->m; 1434 cfg->n = p_rate / cf; 1435 1436 cfg->sdm_data = 0; 1437 cfg->output_rate = input_rate; 1438 if (params->sdm_ctrl_reg) { 1439 unsigned long rem = p_rate - cf * cfg->n; 1440 /* If ssc is enabled SDM enabled as well, even for integer n */ 1441 if (rem || params->ssc_ctrl_reg) { 1442 u64 s = rem * PLL_SDM_COEFF; 1443 1444 do_div(s, cf); 1445 s -= PLL_SDM_COEFF / 2; 1446 cfg->sdm_data = sdin_din_to_data(s); 1447 } 1448 cfg->output_rate *= sdin_get_n_eff(cfg); 1449 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF; 1450 } else { 1451 cfg->output_rate *= cfg->n; 1452 cfg->output_rate /= p * cfg->m; 1453 } 1454 1455 cfg->input_rate = input_rate; 1456 1457 return 0; 1458 } 1459 1460 /* 1461 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate 1462 * 1463 * @cfg: struct tegra_clk_pll_freq_table * cfg 1464 * 1465 * For Normal mode: 1466 * Fvco = Fref * NDIV / MDIV 1467 * 1468 * For fractional mode: 1469 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV 1470 */ 1471 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg) 1472 { 1473 cfg->n = sdin_get_n_eff(cfg); 1474 cfg->m *= PLL_SDM_COEFF; 1475 } 1476 1477 static unsigned long 1478 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, 1479 unsigned long parent_rate) 1480 { 1481 unsigned long vco_min = params->vco_min; 1482 1483 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF); 1484 vco_min = min(vco_min, params->vco_min); 1485 1486 return vco_min; 1487 } 1488 1489 static struct div_nmp pllx_nmp = { 1490 .divm_shift = 0, 1491 .divm_width = 8, 1492 .divn_shift = 8, 1493 .divn_width = 8, 1494 .divp_shift = 20, 1495 .divp_width = 5, 1496 }; 1497 /* 1498 * PLL post divider maps - two types: quasi-linear and exponential 1499 * post divider. 1500 */ 1501 #define PLL_QLIN_PDIV_MAX 16 1502 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = { 1503 { .pdiv = 1, .hw_val = 0 }, 1504 { .pdiv = 2, .hw_val = 1 }, 1505 { .pdiv = 3, .hw_val = 2 }, 1506 { .pdiv = 4, .hw_val = 3 }, 1507 { .pdiv = 5, .hw_val = 4 }, 1508 { .pdiv = 6, .hw_val = 5 }, 1509 { .pdiv = 8, .hw_val = 6 }, 1510 { .pdiv = 9, .hw_val = 7 }, 1511 { .pdiv = 10, .hw_val = 8 }, 1512 { .pdiv = 12, .hw_val = 9 }, 1513 { .pdiv = 15, .hw_val = 10 }, 1514 { .pdiv = 16, .hw_val = 11 }, 1515 { .pdiv = 18, .hw_val = 12 }, 1516 { .pdiv = 20, .hw_val = 13 }, 1517 { .pdiv = 24, .hw_val = 14 }, 1518 { .pdiv = 30, .hw_val = 15 }, 1519 { .pdiv = 32, .hw_val = 16 }, 1520 }; 1521 1522 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv) 1523 { 1524 int i; 1525 1526 if (p) { 1527 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) { 1528 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) { 1529 if (pdiv) 1530 *pdiv = i; 1531 return pll_qlin_pdiv_to_hw[i].pdiv; 1532 } 1533 } 1534 } 1535 1536 return -EINVAL; 1537 } 1538 1539 #define PLL_EXPO_PDIV_MAX 7 1540 static const struct pdiv_map pll_expo_pdiv_to_hw[] = { 1541 { .pdiv = 1, .hw_val = 0 }, 1542 { .pdiv = 2, .hw_val = 1 }, 1543 { .pdiv = 4, .hw_val = 2 }, 1544 { .pdiv = 8, .hw_val = 3 }, 1545 { .pdiv = 16, .hw_val = 4 }, 1546 { .pdiv = 32, .hw_val = 5 }, 1547 { .pdiv = 64, .hw_val = 6 }, 1548 { .pdiv = 128, .hw_val = 7 }, 1549 }; 1550 1551 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv) 1552 { 1553 if (p) { 1554 u32 i = fls(p); 1555 1556 if (i == ffs(p)) 1557 i--; 1558 1559 if (i <= PLL_EXPO_PDIV_MAX) { 1560 if (pdiv) 1561 *pdiv = i; 1562 return 1 << i; 1563 } 1564 } 1565 return -EINVAL; 1566 } 1567 1568 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 1569 /* 1 GHz */ 1570 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */ 1571 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */ 1572 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */ 1573 { 0, 0, 0, 0, 0, 0 }, 1574 }; 1575 1576 static struct tegra_clk_pll_params pll_x_params = { 1577 .input_min = 12000000, 1578 .input_max = 800000000, 1579 .cf_min = 12000000, 1580 .cf_max = 38400000, 1581 .vco_min = 1350000000, 1582 .vco_max = 3000000000UL, 1583 .base_reg = PLLX_BASE, 1584 .misc_reg = PLLX_MISC0, 1585 .lock_mask = PLL_BASE_LOCK, 1586 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 1587 .lock_delay = 300, 1588 .ext_misc_reg[0] = PLLX_MISC0, 1589 .ext_misc_reg[1] = PLLX_MISC1, 1590 .ext_misc_reg[2] = PLLX_MISC2, 1591 .ext_misc_reg[3] = PLLX_MISC3, 1592 .ext_misc_reg[4] = PLLX_MISC4, 1593 .ext_misc_reg[5] = PLLX_MISC5, 1594 .iddq_reg = PLLX_MISC3, 1595 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1596 .max_p = PLL_QLIN_PDIV_MAX, 1597 .mdiv_default = 2, 1598 .dyn_ramp_reg = PLLX_MISC2, 1599 .stepa_shift = 16, 1600 .stepb_shift = 24, 1601 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1602 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1603 .div_nmp = &pllx_nmp, 1604 .freq_table = pll_x_freq_table, 1605 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1606 .dyn_ramp = tegra210_pllx_dyn_ramp, 1607 .set_defaults = tegra210_pllx_set_defaults, 1608 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1609 }; 1610 1611 static struct div_nmp pllc_nmp = { 1612 .divm_shift = 0, 1613 .divm_width = 8, 1614 .divn_shift = 10, 1615 .divn_width = 8, 1616 .divp_shift = 20, 1617 .divp_width = 5, 1618 }; 1619 1620 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { 1621 { 12000000, 510000000, 85, 1, 2, 0 }, 1622 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */ 1623 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */ 1624 { 0, 0, 0, 0, 0, 0 }, 1625 }; 1626 1627 static struct tegra_clk_pll_params pll_c_params = { 1628 .input_min = 12000000, 1629 .input_max = 700000000, 1630 .cf_min = 12000000, 1631 .cf_max = 50000000, 1632 .vco_min = 600000000, 1633 .vco_max = 1200000000, 1634 .base_reg = PLLC_BASE, 1635 .misc_reg = PLLC_MISC0, 1636 .lock_mask = PLL_BASE_LOCK, 1637 .lock_delay = 300, 1638 .iddq_reg = PLLC_MISC1, 1639 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1640 .reset_reg = PLLC_MISC0, 1641 .reset_bit_idx = PLLCX_RESET_BIT, 1642 .max_p = PLL_QLIN_PDIV_MAX, 1643 .ext_misc_reg[0] = PLLC_MISC0, 1644 .ext_misc_reg[1] = PLLC_MISC1, 1645 .ext_misc_reg[2] = PLLC_MISC2, 1646 .ext_misc_reg[3] = PLLC_MISC3, 1647 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1648 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1649 .mdiv_default = 3, 1650 .div_nmp = &pllc_nmp, 1651 .freq_table = pll_cx_freq_table, 1652 .flags = TEGRA_PLL_USE_LOCK, 1653 .set_defaults = _pllc_set_defaults, 1654 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1655 }; 1656 1657 static struct div_nmp pllcx_nmp = { 1658 .divm_shift = 0, 1659 .divm_width = 8, 1660 .divn_shift = 10, 1661 .divn_width = 8, 1662 .divp_shift = 20, 1663 .divp_width = 5, 1664 }; 1665 1666 static struct tegra_clk_pll_params pll_c2_params = { 1667 .input_min = 12000000, 1668 .input_max = 700000000, 1669 .cf_min = 12000000, 1670 .cf_max = 50000000, 1671 .vco_min = 600000000, 1672 .vco_max = 1200000000, 1673 .base_reg = PLLC2_BASE, 1674 .misc_reg = PLLC2_MISC0, 1675 .iddq_reg = PLLC2_MISC1, 1676 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1677 .reset_reg = PLLC2_MISC0, 1678 .reset_bit_idx = PLLCX_RESET_BIT, 1679 .lock_mask = PLLCX_BASE_LOCK, 1680 .lock_delay = 300, 1681 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1682 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1683 .mdiv_default = 3, 1684 .div_nmp = &pllcx_nmp, 1685 .max_p = PLL_QLIN_PDIV_MAX, 1686 .ext_misc_reg[0] = PLLC2_MISC0, 1687 .ext_misc_reg[1] = PLLC2_MISC1, 1688 .ext_misc_reg[2] = PLLC2_MISC2, 1689 .ext_misc_reg[3] = PLLC2_MISC3, 1690 .freq_table = pll_cx_freq_table, 1691 .flags = TEGRA_PLL_USE_LOCK, 1692 .set_defaults = _pllc2_set_defaults, 1693 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1694 }; 1695 1696 static struct tegra_clk_pll_params pll_c3_params = { 1697 .input_min = 12000000, 1698 .input_max = 700000000, 1699 .cf_min = 12000000, 1700 .cf_max = 50000000, 1701 .vco_min = 600000000, 1702 .vco_max = 1200000000, 1703 .base_reg = PLLC3_BASE, 1704 .misc_reg = PLLC3_MISC0, 1705 .lock_mask = PLLCX_BASE_LOCK, 1706 .lock_delay = 300, 1707 .iddq_reg = PLLC3_MISC1, 1708 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1709 .reset_reg = PLLC3_MISC0, 1710 .reset_bit_idx = PLLCX_RESET_BIT, 1711 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1712 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1713 .mdiv_default = 3, 1714 .div_nmp = &pllcx_nmp, 1715 .max_p = PLL_QLIN_PDIV_MAX, 1716 .ext_misc_reg[0] = PLLC3_MISC0, 1717 .ext_misc_reg[1] = PLLC3_MISC1, 1718 .ext_misc_reg[2] = PLLC3_MISC2, 1719 .ext_misc_reg[3] = PLLC3_MISC3, 1720 .freq_table = pll_cx_freq_table, 1721 .flags = TEGRA_PLL_USE_LOCK, 1722 .set_defaults = _pllc3_set_defaults, 1723 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1724 }; 1725 1726 static struct div_nmp pllss_nmp = { 1727 .divm_shift = 0, 1728 .divm_width = 8, 1729 .divn_shift = 8, 1730 .divn_width = 8, 1731 .divp_shift = 19, 1732 .divp_width = 5, 1733 }; 1734 1735 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = { 1736 { 12000000, 600000000, 50, 1, 1, 0 }, 1737 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */ 1738 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */ 1739 { 0, 0, 0, 0, 0, 0 }, 1740 }; 1741 1742 static const struct clk_div_table pll_vco_post_div_table[] = { 1743 { .val = 0, .div = 1 }, 1744 { .val = 1, .div = 2 }, 1745 { .val = 2, .div = 3 }, 1746 { .val = 3, .div = 4 }, 1747 { .val = 4, .div = 5 }, 1748 { .val = 5, .div = 6 }, 1749 { .val = 6, .div = 8 }, 1750 { .val = 7, .div = 10 }, 1751 { .val = 8, .div = 12 }, 1752 { .val = 9, .div = 16 }, 1753 { .val = 10, .div = 12 }, 1754 { .val = 11, .div = 16 }, 1755 { .val = 12, .div = 20 }, 1756 { .val = 13, .div = 24 }, 1757 { .val = 14, .div = 32 }, 1758 { .val = 0, .div = 0 }, 1759 }; 1760 1761 static struct tegra_clk_pll_params pll_c4_vco_params = { 1762 .input_min = 9600000, 1763 .input_max = 800000000, 1764 .cf_min = 9600000, 1765 .cf_max = 19200000, 1766 .vco_min = 500000000, 1767 .vco_max = 1080000000, 1768 .base_reg = PLLC4_BASE, 1769 .misc_reg = PLLC4_MISC0, 1770 .lock_mask = PLL_BASE_LOCK, 1771 .lock_delay = 300, 1772 .max_p = PLL_QLIN_PDIV_MAX, 1773 .ext_misc_reg[0] = PLLC4_MISC0, 1774 .iddq_reg = PLLC4_BASE, 1775 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1776 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1777 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1778 .mdiv_default = 3, 1779 .div_nmp = &pllss_nmp, 1780 .freq_table = pll_c4_vco_freq_table, 1781 .set_defaults = tegra210_pllc4_set_defaults, 1782 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1783 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1784 }; 1785 1786 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 1787 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */ 1788 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */ 1789 { 38400000, 297600000, 93, 4, 3, 0 }, 1790 { 38400000, 400000000, 125, 4, 3, 0 }, 1791 { 38400000, 532800000, 111, 4, 2, 0 }, 1792 { 38400000, 665600000, 104, 3, 2, 0 }, 1793 { 38400000, 800000000, 125, 3, 2, 0 }, 1794 { 38400000, 931200000, 97, 4, 1, 0 }, 1795 { 38400000, 1065600000, 111, 4, 1, 0 }, 1796 { 38400000, 1200000000, 125, 4, 1, 0 }, 1797 { 38400000, 1331200000, 104, 3, 1, 0 }, 1798 { 38400000, 1459200000, 76, 2, 1, 0 }, 1799 { 38400000, 1600000000, 125, 3, 1, 0 }, 1800 { 0, 0, 0, 0, 0, 0 }, 1801 }; 1802 1803 static struct div_nmp pllm_nmp = { 1804 .divm_shift = 0, 1805 .divm_width = 8, 1806 .override_divm_shift = 0, 1807 .divn_shift = 8, 1808 .divn_width = 8, 1809 .override_divn_shift = 8, 1810 .divp_shift = 20, 1811 .divp_width = 5, 1812 .override_divp_shift = 27, 1813 }; 1814 1815 static struct tegra_clk_pll_params pll_m_params = { 1816 .input_min = 9600000, 1817 .input_max = 500000000, 1818 .cf_min = 9600000, 1819 .cf_max = 19200000, 1820 .vco_min = 800000000, 1821 .vco_max = 1866000000, 1822 .base_reg = PLLM_BASE, 1823 .misc_reg = PLLM_MISC2, 1824 .lock_mask = PLL_BASE_LOCK, 1825 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE, 1826 .lock_delay = 300, 1827 .iddq_reg = PLLM_MISC2, 1828 .iddq_bit_idx = PLLM_IDDQ_BIT, 1829 .max_p = PLL_QLIN_PDIV_MAX, 1830 .ext_misc_reg[0] = PLLM_MISC2, 1831 .ext_misc_reg[1] = PLLM_MISC1, 1832 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1833 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1834 .div_nmp = &pllm_nmp, 1835 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 1836 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, 1837 .freq_table = pll_m_freq_table, 1838 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1839 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1840 }; 1841 1842 static struct tegra_clk_pll_params pll_mb_params = { 1843 .input_min = 9600000, 1844 .input_max = 500000000, 1845 .cf_min = 9600000, 1846 .cf_max = 19200000, 1847 .vco_min = 800000000, 1848 .vco_max = 1866000000, 1849 .base_reg = PLLMB_BASE, 1850 .misc_reg = PLLMB_MISC1, 1851 .lock_mask = PLL_BASE_LOCK, 1852 .lock_delay = 300, 1853 .iddq_reg = PLLMB_MISC1, 1854 .iddq_bit_idx = PLLMB_IDDQ_BIT, 1855 .max_p = PLL_QLIN_PDIV_MAX, 1856 .ext_misc_reg[0] = PLLMB_MISC1, 1857 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1858 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1859 .div_nmp = &pllm_nmp, 1860 .freq_table = pll_m_freq_table, 1861 .flags = TEGRA_PLL_USE_LOCK, 1862 .set_defaults = tegra210_pllmb_set_defaults, 1863 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1864 }; 1865 1866 1867 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 1868 /* PLLE special case: use cpcon field to store cml divider value */ 1869 { 672000000, 100000000, 125, 42, 0, 13 }, 1870 { 624000000, 100000000, 125, 39, 0, 13 }, 1871 { 336000000, 100000000, 125, 21, 0, 13 }, 1872 { 312000000, 100000000, 200, 26, 0, 14 }, 1873 { 38400000, 100000000, 125, 2, 0, 14 }, 1874 { 12000000, 100000000, 200, 1, 0, 14 }, 1875 { 0, 0, 0, 0, 0, 0 }, 1876 }; 1877 1878 static struct div_nmp plle_nmp = { 1879 .divm_shift = 0, 1880 .divm_width = 8, 1881 .divn_shift = 8, 1882 .divn_width = 8, 1883 .divp_shift = 24, 1884 .divp_width = 5, 1885 }; 1886 1887 static struct tegra_clk_pll_params pll_e_params = { 1888 .input_min = 12000000, 1889 .input_max = 800000000, 1890 .cf_min = 12000000, 1891 .cf_max = 38400000, 1892 .vco_min = 1600000000, 1893 .vco_max = 2500000000U, 1894 .base_reg = PLLE_BASE, 1895 .misc_reg = PLLE_MISC0, 1896 .aux_reg = PLLE_AUX, 1897 .lock_mask = PLLE_MISC_LOCK, 1898 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 1899 .lock_delay = 300, 1900 .div_nmp = &plle_nmp, 1901 .freq_table = pll_e_freq_table, 1902 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK | 1903 TEGRA_PLL_HAS_LOCK_ENABLE, 1904 .fixed_rate = 100000000, 1905 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1906 }; 1907 1908 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = { 1909 { 12000000, 672000000, 56, 1, 1, 0 }, 1910 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */ 1911 { 38400000, 672000000, 70, 4, 1, 0 }, 1912 { 0, 0, 0, 0, 0, 0 }, 1913 }; 1914 1915 static struct div_nmp pllre_nmp = { 1916 .divm_shift = 0, 1917 .divm_width = 8, 1918 .divn_shift = 8, 1919 .divn_width = 8, 1920 .divp_shift = 16, 1921 .divp_width = 5, 1922 }; 1923 1924 static struct tegra_clk_pll_params pll_re_vco_params = { 1925 .input_min = 9600000, 1926 .input_max = 800000000, 1927 .cf_min = 9600000, 1928 .cf_max = 19200000, 1929 .vco_min = 350000000, 1930 .vco_max = 700000000, 1931 .base_reg = PLLRE_BASE, 1932 .misc_reg = PLLRE_MISC0, 1933 .lock_mask = PLLRE_MISC_LOCK, 1934 .lock_delay = 300, 1935 .max_p = PLL_QLIN_PDIV_MAX, 1936 .ext_misc_reg[0] = PLLRE_MISC0, 1937 .iddq_reg = PLLRE_MISC0, 1938 .iddq_bit_idx = PLLRE_IDDQ_BIT, 1939 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1940 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1941 .div_nmp = &pllre_nmp, 1942 .freq_table = pll_re_vco_freq_table, 1943 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT, 1944 .set_defaults = tegra210_pllre_set_defaults, 1945 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1946 }; 1947 1948 static struct div_nmp pllp_nmp = { 1949 .divm_shift = 0, 1950 .divm_width = 8, 1951 .divn_shift = 10, 1952 .divn_width = 8, 1953 .divp_shift = 20, 1954 .divp_width = 5, 1955 }; 1956 1957 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 1958 { 12000000, 408000000, 34, 1, 1, 0 }, 1959 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */ 1960 { 0, 0, 0, 0, 0, 0 }, 1961 }; 1962 1963 static struct tegra_clk_pll_params pll_p_params = { 1964 .input_min = 9600000, 1965 .input_max = 800000000, 1966 .cf_min = 9600000, 1967 .cf_max = 19200000, 1968 .vco_min = 350000000, 1969 .vco_max = 700000000, 1970 .base_reg = PLLP_BASE, 1971 .misc_reg = PLLP_MISC0, 1972 .lock_mask = PLL_BASE_LOCK, 1973 .lock_delay = 300, 1974 .iddq_reg = PLLP_MISC0, 1975 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1976 .ext_misc_reg[0] = PLLP_MISC0, 1977 .ext_misc_reg[1] = PLLP_MISC1, 1978 .div_nmp = &pllp_nmp, 1979 .freq_table = pll_p_freq_table, 1980 .fixed_rate = 408000000, 1981 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1982 .set_defaults = tegra210_pllp_set_defaults, 1983 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1984 }; 1985 1986 static struct tegra_clk_pll_params pll_a1_params = { 1987 .input_min = 12000000, 1988 .input_max = 700000000, 1989 .cf_min = 12000000, 1990 .cf_max = 50000000, 1991 .vco_min = 600000000, 1992 .vco_max = 1200000000, 1993 .base_reg = PLLA1_BASE, 1994 .misc_reg = PLLA1_MISC0, 1995 .lock_mask = PLLCX_BASE_LOCK, 1996 .lock_delay = 300, 1997 .iddq_reg = PLLA1_MISC1, 1998 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1999 .reset_reg = PLLA1_MISC0, 2000 .reset_bit_idx = PLLCX_RESET_BIT, 2001 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2002 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2003 .div_nmp = &pllc_nmp, 2004 .ext_misc_reg[0] = PLLA1_MISC0, 2005 .ext_misc_reg[1] = PLLA1_MISC1, 2006 .ext_misc_reg[2] = PLLA1_MISC2, 2007 .ext_misc_reg[3] = PLLA1_MISC3, 2008 .freq_table = pll_cx_freq_table, 2009 .flags = TEGRA_PLL_USE_LOCK, 2010 .set_defaults = _plla1_set_defaults, 2011 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2012 }; 2013 2014 static struct div_nmp plla_nmp = { 2015 .divm_shift = 0, 2016 .divm_width = 8, 2017 .divn_shift = 8, 2018 .divn_width = 8, 2019 .divp_shift = 20, 2020 .divp_width = 5, 2021 }; 2022 2023 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 2024 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */ 2025 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */ 2026 { 12000000, 240000000, 60, 1, 3, 1, 0 }, 2027 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */ 2028 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */ 2029 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */ 2030 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */ 2031 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */ 2032 { 38400000, 240000000, 75, 3, 3, 1, 0 }, 2033 { 0, 0, 0, 0, 0, 0, 0 }, 2034 }; 2035 2036 static struct tegra_clk_pll_params pll_a_params = { 2037 .input_min = 12000000, 2038 .input_max = 800000000, 2039 .cf_min = 12000000, 2040 .cf_max = 19200000, 2041 .vco_min = 500000000, 2042 .vco_max = 1000000000, 2043 .base_reg = PLLA_BASE, 2044 .misc_reg = PLLA_MISC0, 2045 .lock_mask = PLL_BASE_LOCK, 2046 .lock_delay = 300, 2047 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2048 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2049 .iddq_reg = PLLA_BASE, 2050 .iddq_bit_idx = PLLA_IDDQ_BIT, 2051 .div_nmp = &plla_nmp, 2052 .sdm_din_reg = PLLA_MISC1, 2053 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2054 .sdm_ctrl_reg = PLLA_MISC2, 2055 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK, 2056 .ext_misc_reg[0] = PLLA_MISC0, 2057 .ext_misc_reg[1] = PLLA_MISC1, 2058 .ext_misc_reg[2] = PLLA_MISC2, 2059 .freq_table = pll_a_freq_table, 2060 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW, 2061 .set_defaults = tegra210_plla_set_defaults, 2062 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2063 .set_gain = tegra210_clk_pll_set_gain, 2064 .adjust_vco = tegra210_clk_adjust_vco_min, 2065 }; 2066 2067 static struct div_nmp plld_nmp = { 2068 .divm_shift = 0, 2069 .divm_width = 8, 2070 .divn_shift = 11, 2071 .divn_width = 8, 2072 .divp_shift = 20, 2073 .divp_width = 3, 2074 }; 2075 2076 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 2077 { 12000000, 594000000, 99, 1, 2, 0, 0 }, 2078 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2079 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2080 { 0, 0, 0, 0, 0, 0, 0 }, 2081 }; 2082 2083 static struct tegra_clk_pll_params pll_d_params = { 2084 .input_min = 12000000, 2085 .input_max = 800000000, 2086 .cf_min = 12000000, 2087 .cf_max = 38400000, 2088 .vco_min = 750000000, 2089 .vco_max = 1500000000, 2090 .base_reg = PLLD_BASE, 2091 .misc_reg = PLLD_MISC0, 2092 .lock_mask = PLL_BASE_LOCK, 2093 .lock_delay = 1000, 2094 .iddq_reg = PLLD_MISC0, 2095 .iddq_bit_idx = PLLD_IDDQ_BIT, 2096 .round_p_to_pdiv = pll_expo_p_to_pdiv, 2097 .pdiv_tohw = pll_expo_pdiv_to_hw, 2098 .div_nmp = &plld_nmp, 2099 .sdm_din_reg = PLLD_MISC0, 2100 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2101 .sdm_ctrl_reg = PLLD_MISC0, 2102 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK, 2103 .ext_misc_reg[0] = PLLD_MISC0, 2104 .ext_misc_reg[1] = PLLD_MISC1, 2105 .freq_table = pll_d_freq_table, 2106 .flags = TEGRA_PLL_USE_LOCK, 2107 .mdiv_default = 1, 2108 .set_defaults = tegra210_plld_set_defaults, 2109 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2110 .set_gain = tegra210_clk_pll_set_gain, 2111 .adjust_vco = tegra210_clk_adjust_vco_min, 2112 }; 2113 2114 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = { 2115 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 }, 2116 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2117 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2118 { 0, 0, 0, 0, 0, 0, 0 }, 2119 }; 2120 2121 /* s/w policy, always tegra_pll_ref */ 2122 static struct tegra_clk_pll_params pll_d2_params = { 2123 .input_min = 12000000, 2124 .input_max = 800000000, 2125 .cf_min = 12000000, 2126 .cf_max = 38400000, 2127 .vco_min = 750000000, 2128 .vco_max = 1500000000, 2129 .base_reg = PLLD2_BASE, 2130 .misc_reg = PLLD2_MISC0, 2131 .lock_mask = PLL_BASE_LOCK, 2132 .lock_delay = 300, 2133 .iddq_reg = PLLD2_BASE, 2134 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2135 .sdm_din_reg = PLLD2_MISC3, 2136 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2137 .sdm_ctrl_reg = PLLD2_MISC1, 2138 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK, 2139 /* disable spread-spectrum for pll_d2 */ 2140 .ssc_ctrl_reg = 0, 2141 .ssc_ctrl_en_mask = 0, 2142 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2143 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2144 .div_nmp = &pllss_nmp, 2145 .ext_misc_reg[0] = PLLD2_MISC0, 2146 .ext_misc_reg[1] = PLLD2_MISC1, 2147 .ext_misc_reg[2] = PLLD2_MISC2, 2148 .ext_misc_reg[3] = PLLD2_MISC3, 2149 .max_p = PLL_QLIN_PDIV_MAX, 2150 .mdiv_default = 1, 2151 .freq_table = tegra210_pll_d2_freq_table, 2152 .set_defaults = tegra210_plld2_set_defaults, 2153 .flags = TEGRA_PLL_USE_LOCK, 2154 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2155 .set_gain = tegra210_clk_pll_set_gain, 2156 .adjust_vco = tegra210_clk_adjust_vco_min, 2157 }; 2158 2159 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = { 2160 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 }, 2161 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */ 2162 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 }, 2163 { 0, 0, 0, 0, 0, 0, 0 }, 2164 }; 2165 2166 static struct tegra_clk_pll_params pll_dp_params = { 2167 .input_min = 12000000, 2168 .input_max = 800000000, 2169 .cf_min = 12000000, 2170 .cf_max = 38400000, 2171 .vco_min = 750000000, 2172 .vco_max = 1500000000, 2173 .base_reg = PLLDP_BASE, 2174 .misc_reg = PLLDP_MISC, 2175 .lock_mask = PLL_BASE_LOCK, 2176 .lock_delay = 300, 2177 .iddq_reg = PLLDP_BASE, 2178 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2179 .sdm_din_reg = PLLDP_SS_CTRL2, 2180 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2181 .sdm_ctrl_reg = PLLDP_SS_CFG, 2182 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK, 2183 .ssc_ctrl_reg = PLLDP_SS_CFG, 2184 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK, 2185 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2186 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2187 .div_nmp = &pllss_nmp, 2188 .ext_misc_reg[0] = PLLDP_MISC, 2189 .ext_misc_reg[1] = PLLDP_SS_CFG, 2190 .ext_misc_reg[2] = PLLDP_SS_CTRL1, 2191 .ext_misc_reg[3] = PLLDP_SS_CTRL2, 2192 .max_p = PLL_QLIN_PDIV_MAX, 2193 .mdiv_default = 1, 2194 .freq_table = pll_dp_freq_table, 2195 .set_defaults = tegra210_plldp_set_defaults, 2196 .flags = TEGRA_PLL_USE_LOCK, 2197 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2198 .set_gain = tegra210_clk_pll_set_gain, 2199 .adjust_vco = tegra210_clk_adjust_vco_min, 2200 }; 2201 2202 static struct div_nmp pllu_nmp = { 2203 .divm_shift = 0, 2204 .divm_width = 8, 2205 .divn_shift = 8, 2206 .divn_width = 8, 2207 .divp_shift = 16, 2208 .divp_width = 5, 2209 }; 2210 2211 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 2212 { 12000000, 480000000, 40, 1, 1, 0 }, 2213 { 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */ 2214 { 38400000, 480000000, 25, 2, 1, 0 }, 2215 { 0, 0, 0, 0, 0, 0 }, 2216 }; 2217 2218 static struct tegra_clk_pll_params pll_u_vco_params = { 2219 .input_min = 9600000, 2220 .input_max = 800000000, 2221 .cf_min = 9600000, 2222 .cf_max = 19200000, 2223 .vco_min = 350000000, 2224 .vco_max = 700000000, 2225 .base_reg = PLLU_BASE, 2226 .misc_reg = PLLU_MISC0, 2227 .lock_mask = PLL_BASE_LOCK, 2228 .lock_delay = 1000, 2229 .iddq_reg = PLLU_MISC0, 2230 .iddq_bit_idx = PLLU_IDDQ_BIT, 2231 .ext_misc_reg[0] = PLLU_MISC0, 2232 .ext_misc_reg[1] = PLLU_MISC1, 2233 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2234 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2235 .div_nmp = &pllu_nmp, 2236 .freq_table = pll_u_freq_table, 2237 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2238 }; 2239 2240 struct utmi_clk_param { 2241 /* Oscillator Frequency in KHz */ 2242 u32 osc_frequency; 2243 /* UTMIP PLL Enable Delay Count */ 2244 u8 enable_delay_count; 2245 /* UTMIP PLL Stable count */ 2246 u16 stable_count; 2247 /* UTMIP PLL Active delay count */ 2248 u8 active_delay_count; 2249 /* UTMIP PLL Xtal frequency count */ 2250 u16 xtal_freq_count; 2251 }; 2252 2253 static const struct utmi_clk_param utmi_parameters[] = { 2254 { 2255 .osc_frequency = 38400000, .enable_delay_count = 0x0, 2256 .stable_count = 0x0, .active_delay_count = 0x6, 2257 .xtal_freq_count = 0x80 2258 }, { 2259 .osc_frequency = 13000000, .enable_delay_count = 0x02, 2260 .stable_count = 0x33, .active_delay_count = 0x05, 2261 .xtal_freq_count = 0x7f 2262 }, { 2263 .osc_frequency = 19200000, .enable_delay_count = 0x03, 2264 .stable_count = 0x4b, .active_delay_count = 0x06, 2265 .xtal_freq_count = 0xbb 2266 }, { 2267 .osc_frequency = 12000000, .enable_delay_count = 0x02, 2268 .stable_count = 0x2f, .active_delay_count = 0x08, 2269 .xtal_freq_count = 0x76 2270 }, { 2271 .osc_frequency = 26000000, .enable_delay_count = 0x04, 2272 .stable_count = 0x66, .active_delay_count = 0x09, 2273 .xtal_freq_count = 0xfe 2274 }, { 2275 .osc_frequency = 16800000, .enable_delay_count = 0x03, 2276 .stable_count = 0x41, .active_delay_count = 0x0a, 2277 .xtal_freq_count = 0xa4 2278 }, 2279 }; 2280 2281 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { 2282 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true }, 2283 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, 2284 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, 2285 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, 2286 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, 2287 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, 2288 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, 2289 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, 2290 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, 2291 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, 2292 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true }, 2293 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true }, 2294 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true }, 2295 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true }, 2296 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true }, 2297 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true }, 2298 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true }, 2299 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true }, 2300 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true }, 2301 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true }, 2302 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true }, 2303 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true }, 2304 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true }, 2305 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true }, 2306 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true }, 2307 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true }, 2308 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true }, 2309 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true }, 2310 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true }, 2311 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true }, 2312 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true }, 2313 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true }, 2314 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true }, 2315 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true }, 2316 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true }, 2317 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true }, 2318 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true }, 2319 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true }, 2320 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true }, 2321 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true }, 2322 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true }, 2323 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true }, 2324 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true }, 2325 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true }, 2326 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true }, 2327 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true }, 2328 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true }, 2329 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true }, 2330 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true }, 2331 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true }, 2332 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true }, 2333 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true }, 2334 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true }, 2335 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true }, 2336 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true }, 2337 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true }, 2338 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true }, 2339 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true }, 2340 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true }, 2341 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true }, 2342 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true }, 2343 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true }, 2344 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true }, 2345 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true }, 2346 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true }, 2347 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true }, 2348 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true }, 2349 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true }, 2350 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true }, 2351 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true }, 2352 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true }, 2353 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true }, 2354 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true }, 2355 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true }, 2356 [tegra_clk_sor1_out] = { .dt_id = TEGRA210_CLK_SOR1_OUT, .present = true }, 2357 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true }, 2358 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, }, 2359 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true }, 2360 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true }, 2361 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true }, 2362 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true }, 2363 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true }, 2364 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true }, 2365 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true }, 2366 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true }, 2367 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true }, 2368 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true }, 2369 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true }, 2370 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true }, 2371 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true }, 2372 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true }, 2373 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true }, 2374 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true }, 2375 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true }, 2376 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true }, 2377 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true }, 2378 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true }, 2379 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true }, 2380 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true }, 2381 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true }, 2382 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true }, 2383 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true }, 2384 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true }, 2385 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true }, 2386 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true }, 2387 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true }, 2388 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true }, 2389 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true }, 2390 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true }, 2391 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true }, 2392 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true }, 2393 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true }, 2394 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true }, 2395 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true }, 2396 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true }, 2397 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true }, 2398 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true }, 2399 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true }, 2400 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true }, 2401 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true }, 2402 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true }, 2403 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true }, 2404 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true }, 2405 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true }, 2406 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true }, 2407 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true }, 2408 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true }, 2409 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true }, 2410 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true }, 2411 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true }, 2412 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true }, 2413 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true }, 2414 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true }, 2415 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true }, 2416 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true }, 2417 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true }, 2418 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true }, 2419 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true }, 2420 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true }, 2421 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true }, 2422 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true }, 2423 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true }, 2424 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true }, 2425 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true }, 2426 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true }, 2427 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true }, 2428 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true }, 2429 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true }, 2430 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true }, 2431 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true }, 2432 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true }, 2433 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true }, 2434 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true }, 2435 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true }, 2436 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true }, 2437 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true }, 2438 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true }, 2439 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true }, 2440 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true }, 2441 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true }, 2442 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true }, 2443 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true }, 2444 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true }, 2445 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true }, 2446 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true }, 2447 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true }, 2448 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true }, 2449 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true }, 2450 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true }, 2451 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true }, 2452 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true }, 2453 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true }, 2454 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true }, 2455 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true }, 2456 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true }, 2457 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true }, 2458 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true }, 2459 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true }, 2460 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true }, 2461 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true }, 2462 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true }, 2463 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true }, 2464 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true }, 2465 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true }, 2466 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true }, 2467 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true }, 2468 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true }, 2469 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true }, 2470 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true }, 2471 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true }, 2472 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true }, 2473 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true }, 2474 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true }, 2475 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true }, 2476 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true }, 2477 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true }, 2478 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true }, 2479 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true }, 2480 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true }, 2481 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true }, 2482 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true }, 2483 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true }, 2484 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true }, 2485 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true }, 2486 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true }, 2487 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true }, 2488 }; 2489 2490 static struct tegra_devclk devclks[] __initdata = { 2491 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M }, 2492 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF }, 2493 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K }, 2494 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 }, 2495 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 }, 2496 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C }, 2497 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 }, 2498 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 }, 2499 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 }, 2500 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P }, 2501 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 }, 2502 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 }, 2503 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 }, 2504 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 }, 2505 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M }, 2506 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X }, 2507 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 }, 2508 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U }, 2509 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT }, 2510 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 }, 2511 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 }, 2512 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M }, 2513 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M }, 2514 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M }, 2515 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D }, 2516 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 }, 2517 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 }, 2518 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 }, 2519 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A }, 2520 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 }, 2521 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO }, 2522 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT }, 2523 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC }, 2524 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC }, 2525 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC }, 2526 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC }, 2527 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC }, 2528 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC }, 2529 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC }, 2530 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 }, 2531 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 }, 2532 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 }, 2533 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 }, 2534 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 }, 2535 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF }, 2536 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X }, 2537 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 }, 2538 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 }, 2539 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 }, 2540 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK }, 2541 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G }, 2542 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP }, 2543 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK }, 2544 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK }, 2545 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK }, 2546 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE }, 2547 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC }, 2548 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER }, 2549 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 }, 2550 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 }, 2551 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 }, 2552 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 }, 2553 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX }, 2554 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 }, 2555 }; 2556 2557 static struct tegra_audio_clk_info tegra210_audio_plls[] = { 2558 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" }, 2559 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" }, 2560 }; 2561 2562 static const char * const aclk_parents[] = { 2563 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3", 2564 "clk_m" 2565 }; 2566 2567 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC }; 2568 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG }; 2569 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X, 2570 TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 }; 2571 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA, 2572 TEGRA210_CLK_HOST1X}; 2573 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2574 TEGRA210_CLK_XUSB_DEV }; 2575 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2576 TEGRA210_CLK_XUSB_SS }; 2577 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV, 2578 TEGRA210_CLK_XUSB_SS }; 2579 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X, 2580 TEGRA210_CLK_PLL_D }; 2581 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK, 2582 TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2, 2583 TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT, 2584 TEGRA210_CLK_D_AUDIO }; 2585 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X }; 2586 2587 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = { 2588 [TEGRA_POWERGATE_VENC] = { 2589 .handle_lvl2_ovr = tegra210_venc_mbist_war, 2590 .num_clks = ARRAY_SIZE(venc_slcg_clkids), 2591 .clk_init_data = venc_slcg_clkids, 2592 }, 2593 [TEGRA_POWERGATE_SATA] = { 2594 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2595 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2596 .lvl2_mask = BIT(0) | BIT(17) | BIT(19), 2597 }, 2598 [TEGRA_POWERGATE_MPE] = { 2599 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2600 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2601 .lvl2_mask = BIT(29), 2602 }, 2603 [TEGRA_POWERGATE_SOR] = { 2604 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2605 .num_clks = ARRAY_SIZE(sor_slcg_clkids), 2606 .clk_init_data = sor_slcg_clkids, 2607 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2608 .lvl2_mask = BIT(1) | BIT(2), 2609 }, 2610 [TEGRA_POWERGATE_DIS] = { 2611 .handle_lvl2_ovr = tegra210_disp_mbist_war, 2612 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2613 .clk_init_data = disp_slcg_clkids, 2614 }, 2615 [TEGRA_POWERGATE_DISB] = { 2616 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2617 .clk_init_data = disp_slcg_clkids, 2618 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2619 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2620 .lvl2_mask = BIT(2), 2621 }, 2622 [TEGRA_POWERGATE_XUSBA] = { 2623 .num_clks = ARRAY_SIZE(xusba_slcg_clkids), 2624 .clk_init_data = xusba_slcg_clkids, 2625 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2626 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2627 .lvl2_mask = BIT(30) | BIT(31), 2628 }, 2629 [TEGRA_POWERGATE_XUSBB] = { 2630 .num_clks = ARRAY_SIZE(xusbb_slcg_clkids), 2631 .clk_init_data = xusbb_slcg_clkids, 2632 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2633 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2634 .lvl2_mask = BIT(30) | BIT(31), 2635 }, 2636 [TEGRA_POWERGATE_XUSBC] = { 2637 .num_clks = ARRAY_SIZE(xusbc_slcg_clkids), 2638 .clk_init_data = xusbc_slcg_clkids, 2639 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2640 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2641 .lvl2_mask = BIT(30) | BIT(31), 2642 }, 2643 [TEGRA_POWERGATE_VIC] = { 2644 .num_clks = ARRAY_SIZE(vic_slcg_clkids), 2645 .clk_init_data = vic_slcg_clkids, 2646 .handle_lvl2_ovr = tegra210_vic_mbist_war, 2647 }, 2648 [TEGRA_POWERGATE_NVDEC] = { 2649 .num_clks = ARRAY_SIZE(nvdec_slcg_clkids), 2650 .clk_init_data = nvdec_slcg_clkids, 2651 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2652 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2653 .lvl2_mask = BIT(9) | BIT(31), 2654 }, 2655 [TEGRA_POWERGATE_NVJPG] = { 2656 .num_clks = ARRAY_SIZE(nvjpg_slcg_clkids), 2657 .clk_init_data = nvjpg_slcg_clkids, 2658 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2659 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2660 .lvl2_mask = BIT(9) | BIT(31), 2661 }, 2662 [TEGRA_POWERGATE_AUD] = { 2663 .num_clks = ARRAY_SIZE(ape_slcg_clkids), 2664 .clk_init_data = ape_slcg_clkids, 2665 .handle_lvl2_ovr = tegra210_ape_mbist_war, 2666 }, 2667 [TEGRA_POWERGATE_VE2] = { 2668 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2669 .lvl2_offset = LVL2_CLK_GATE_OVRD, 2670 .lvl2_mask = BIT(22), 2671 }, 2672 }; 2673 2674 int tegra210_clk_handle_mbist_war(unsigned int id) 2675 { 2676 int err; 2677 struct tegra210_domain_mbist_war *mbist_war; 2678 2679 if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) { 2680 WARN(1, "unknown domain id in MBIST WAR handler\n"); 2681 return -EINVAL; 2682 } 2683 2684 mbist_war = &tegra210_pg_mbist_war[id]; 2685 if (!mbist_war->handle_lvl2_ovr) 2686 return 0; 2687 2688 if (mbist_war->num_clks && !mbist_war->clks) 2689 return -ENODEV; 2690 2691 err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks); 2692 if (err < 0) 2693 return err; 2694 2695 mutex_lock(&lvl2_ovr_lock); 2696 2697 mbist_war->handle_lvl2_ovr(mbist_war); 2698 2699 mutex_unlock(&lvl2_ovr_lock); 2700 2701 clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks); 2702 2703 return 0; 2704 } 2705 2706 void tegra210_put_utmipll_in_iddq(void) 2707 { 2708 u32 reg; 2709 2710 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2711 2712 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) { 2713 pr_err("trying to assert IDDQ while UTMIPLL is locked\n"); 2714 return; 2715 } 2716 2717 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2718 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2719 } 2720 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq); 2721 2722 void tegra210_put_utmipll_out_iddq(void) 2723 { 2724 u32 reg; 2725 2726 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2727 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2728 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2729 } 2730 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq); 2731 2732 static void tegra210_utmi_param_configure(void) 2733 { 2734 u32 reg; 2735 int i; 2736 2737 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 2738 if (osc_freq == utmi_parameters[i].osc_frequency) 2739 break; 2740 } 2741 2742 if (i >= ARRAY_SIZE(utmi_parameters)) { 2743 pr_err("%s: Unexpected oscillator freq %lu\n", __func__, 2744 osc_freq); 2745 return; 2746 } 2747 2748 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2749 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2750 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2751 2752 udelay(10); 2753 2754 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2755 2756 /* Program UTMIP PLL stable and active counts */ 2757 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ 2758 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 2759 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count); 2760 2761 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 2762 reg |= 2763 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count); 2764 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2765 2766 /* Program UTMIP PLL delay and oscillator frequency counts */ 2767 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2768 2769 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 2770 reg |= 2771 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count); 2772 2773 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 2774 reg |= 2775 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count); 2776 2777 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 2778 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2779 2780 /* Remove power downs from UTMIP PLL control bits */ 2781 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2782 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2783 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2784 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2785 2786 udelay(20); 2787 2788 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */ 2789 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2790 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP; 2791 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP; 2792 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP; 2793 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 2794 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 2795 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN; 2796 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2797 2798 /* Setup HW control of UTMIPLL */ 2799 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2800 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2801 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2802 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2803 2804 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2805 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET; 2806 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL; 2807 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2808 2809 udelay(1); 2810 2811 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2812 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY; 2813 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2814 2815 udelay(1); 2816 2817 /* Enable HW control UTMIPLL */ 2818 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2819 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE; 2820 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2821 } 2822 2823 static int tegra210_enable_pllu(void) 2824 { 2825 struct tegra_clk_pll_freq_table *fentry; 2826 struct tegra_clk_pll pllu; 2827 u32 reg; 2828 2829 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) { 2830 if (fentry->input_rate == pll_ref_freq) 2831 break; 2832 } 2833 2834 if (!fentry->input_rate) { 2835 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq); 2836 return -EINVAL; 2837 } 2838 2839 /* clear IDDQ bit */ 2840 pllu.params = &pll_u_vco_params; 2841 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]); 2842 reg &= ~BIT(pllu.params->iddq_bit_idx); 2843 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]); 2844 udelay(5); 2845 2846 reg = readl_relaxed(clk_base + PLLU_BASE); 2847 reg &= ~GENMASK(20, 0); 2848 reg |= fentry->m; 2849 reg |= fentry->n << 8; 2850 reg |= fentry->p << 16; 2851 writel(reg, clk_base + PLLU_BASE); 2852 udelay(1); 2853 reg |= PLL_ENABLE; 2854 writel(reg, clk_base + PLLU_BASE); 2855 2856 readl_relaxed_poll_timeout_atomic(clk_base + PLLU_BASE, reg, 2857 reg & PLL_BASE_LOCK, 2, 1000); 2858 if (!(reg & PLL_BASE_LOCK)) { 2859 pr_err("Timed out waiting for PLL_U to lock\n"); 2860 return -ETIMEDOUT; 2861 } 2862 2863 return 0; 2864 } 2865 2866 static int tegra210_init_pllu(void) 2867 { 2868 u32 reg; 2869 int err; 2870 2871 tegra210_pllu_set_defaults(&pll_u_vco_params); 2872 /* skip initialization when pllu is in hw controlled mode */ 2873 reg = readl_relaxed(clk_base + PLLU_BASE); 2874 if (reg & PLLU_BASE_OVERRIDE) { 2875 if (!(reg & PLL_ENABLE)) { 2876 err = tegra210_enable_pllu(); 2877 if (err < 0) { 2878 WARN_ON(1); 2879 return err; 2880 } 2881 } 2882 /* enable hw controlled mode */ 2883 reg = readl_relaxed(clk_base + PLLU_BASE); 2884 reg &= ~PLLU_BASE_OVERRIDE; 2885 writel(reg, clk_base + PLLU_BASE); 2886 2887 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2888 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE | 2889 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT | 2890 PLLU_HW_PWRDN_CFG0_USE_LOCKDET; 2891 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL | 2892 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL); 2893 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2894 2895 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2896 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK; 2897 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2898 udelay(1); 2899 2900 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2901 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE; 2902 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2903 udelay(1); 2904 2905 reg = readl_relaxed(clk_base + PLLU_BASE); 2906 reg &= ~PLLU_BASE_CLKENABLE_USB; 2907 writel_relaxed(reg, clk_base + PLLU_BASE); 2908 } 2909 2910 /* enable UTMIPLL hw control if not yet done by the bootloader */ 2911 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2912 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE)) 2913 tegra210_utmi_param_configure(); 2914 2915 return 0; 2916 } 2917 2918 static const char * const sor1_out_parents[] = { 2919 /* 2920 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so 2921 * the sor1_pad_clkout parent appears twice in the list below. This is 2922 * merely to support clk_get_parent() if firmware happened to set 2923 * these bits to 0b11. While not an invalid setting, code should 2924 * always set the bits to 0b01 to select sor1_pad_clkout. 2925 */ 2926 "sor_safe", "sor1_pad_clkout", "sor1", "sor1_pad_clkout", 2927 }; 2928 2929 static const char * const sor1_parents[] = { 2930 "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m", 2931 }; 2932 2933 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 }; 2934 2935 static struct tegra_periph_init_data tegra210_periph[] = { 2936 TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents, 2937 CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1, 2938 TEGRA_DIVIDER_ROUND_UP, 183, 0, tegra_clk_sor1, 2939 sor1_parents_idx, 0, &sor1_lock), 2940 }; 2941 2942 static const char * const la_parents[] = { 2943 "pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0" 2944 }; 2945 2946 static struct tegra_clk_periph tegra210_la = 2947 TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, 0); 2948 2949 static __init void tegra210_periph_clk_init(void __iomem *clk_base, 2950 void __iomem *pmc_base) 2951 { 2952 struct clk *clk; 2953 unsigned int i; 2954 2955 /* xusb_ss_div2 */ 2956 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, 2957 1, 2); 2958 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk; 2959 2960 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base, 2961 1, 17, 222); 2962 clks[TEGRA210_CLK_SOR_SAFE] = clk; 2963 2964 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base, 2965 1, 17, 181); 2966 clks[TEGRA210_CLK_DPAUX] = clk; 2967 2968 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base, 2969 1, 17, 207); 2970 clks[TEGRA210_CLK_DPAUX1] = clk; 2971 2972 clk = clk_register_mux_table(NULL, "sor1_out", sor1_out_parents, 2973 ARRAY_SIZE(sor1_out_parents), 0, 2974 clk_base + CLK_SOURCE_SOR1, 14, 0x3, 2975 0, NULL, &sor1_lock); 2976 clks[TEGRA210_CLK_SOR1_OUT] = clk; 2977 2978 /* pll_d_dsi_out */ 2979 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, 2980 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); 2981 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk; 2982 2983 /* dsia */ 2984 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0, 2985 clk_base, 0, 48, 2986 periph_clk_enb_refcnt); 2987 clks[TEGRA210_CLK_DSIA] = clk; 2988 2989 /* dsib */ 2990 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0, 2991 clk_base, 0, 82, 2992 periph_clk_enb_refcnt); 2993 clks[TEGRA210_CLK_DSIB] = clk; 2994 2995 /* la */ 2996 clk = tegra_clk_register_periph("la", la_parents, 2997 ARRAY_SIZE(la_parents), &tegra210_la, clk_base, 2998 CLK_SOURCE_LA, 0); 2999 clks[TEGRA210_CLK_LA] = clk; 3000 3001 /* emc mux */ 3002 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, 3003 ARRAY_SIZE(mux_pllmcp_clkm), 0, 3004 clk_base + CLK_SOURCE_EMC, 3005 29, 3, 0, &emc_lock); 3006 3007 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, 3008 &emc_lock); 3009 clks[TEGRA210_CLK_MC] = clk; 3010 3011 /* cml0 */ 3012 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 3013 0, 0, &pll_e_lock); 3014 clk_register_clkdev(clk, "cml0", NULL); 3015 clks[TEGRA210_CLK_CML0] = clk; 3016 3017 /* cml1 */ 3018 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 3019 1, 0, &pll_e_lock); 3020 clk_register_clkdev(clk, "cml1", NULL); 3021 clks[TEGRA210_CLK_CML1] = clk; 3022 3023 clk = tegra_clk_register_super_clk("aclk", aclk_parents, 3024 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0, 3025 0, NULL); 3026 clks[TEGRA210_CLK_ACLK] = clk; 3027 3028 clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base, 3029 CLK_SOURCE_SDMMC2, 9, 3030 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3031 clks[TEGRA210_CLK_SDMMC2] = clk; 3032 3033 clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base, 3034 CLK_SOURCE_SDMMC4, 15, 3035 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3036 clks[TEGRA210_CLK_SDMMC4] = clk; 3037 3038 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) { 3039 struct tegra_periph_init_data *init = &tegra210_periph[i]; 3040 struct clk **clkp; 3041 3042 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks); 3043 if (!clkp) { 3044 pr_warn("clock %u not found\n", init->clk_id); 3045 continue; 3046 } 3047 3048 clk = tegra_clk_register_periph_data(clk_base, init); 3049 *clkp = clk; 3050 } 3051 3052 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); 3053 } 3054 3055 static void __init tegra210_pll_init(void __iomem *clk_base, 3056 void __iomem *pmc) 3057 { 3058 struct clk *clk; 3059 3060 /* PLLC */ 3061 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base, 3062 pmc, 0, &pll_c_params, NULL); 3063 if (!WARN_ON(IS_ERR(clk))) 3064 clk_register_clkdev(clk, "pll_c", NULL); 3065 clks[TEGRA210_CLK_PLL_C] = clk; 3066 3067 /* PLLC_OUT1 */ 3068 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 3069 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3070 8, 8, 1, NULL); 3071 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 3072 clk_base + PLLC_OUT, 1, 0, 3073 CLK_SET_RATE_PARENT, 0, NULL); 3074 clk_register_clkdev(clk, "pll_c_out1", NULL); 3075 clks[TEGRA210_CLK_PLL_C_OUT1] = clk; 3076 3077 /* PLLC_UD */ 3078 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c", 3079 CLK_SET_RATE_PARENT, 1, 1); 3080 clk_register_clkdev(clk, "pll_c_ud", NULL); 3081 clks[TEGRA210_CLK_PLL_C_UD] = clk; 3082 3083 /* PLLC2 */ 3084 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base, 3085 pmc, 0, &pll_c2_params, NULL); 3086 clk_register_clkdev(clk, "pll_c2", NULL); 3087 clks[TEGRA210_CLK_PLL_C2] = clk; 3088 3089 /* PLLC3 */ 3090 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base, 3091 pmc, 0, &pll_c3_params, NULL); 3092 clk_register_clkdev(clk, "pll_c3", NULL); 3093 clks[TEGRA210_CLK_PLL_C3] = clk; 3094 3095 /* PLLM */ 3096 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc, 3097 CLK_SET_RATE_GATE, &pll_m_params, NULL); 3098 clk_register_clkdev(clk, "pll_m", NULL); 3099 clks[TEGRA210_CLK_PLL_M] = clk; 3100 3101 /* PLLMB */ 3102 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc, 3103 CLK_SET_RATE_GATE, &pll_mb_params, NULL); 3104 clk_register_clkdev(clk, "pll_mb", NULL); 3105 clks[TEGRA210_CLK_PLL_MB] = clk; 3106 3107 /* PLLM_UD */ 3108 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", 3109 CLK_SET_RATE_PARENT, 1, 1); 3110 clk_register_clkdev(clk, "pll_m_ud", NULL); 3111 clks[TEGRA210_CLK_PLL_M_UD] = clk; 3112 3113 /* PLLU_VCO */ 3114 if (!tegra210_init_pllu()) { 3115 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0, 3116 480*1000*1000); 3117 clk_register_clkdev(clk, "pll_u_vco", NULL); 3118 clks[TEGRA210_CLK_PLL_U] = clk; 3119 } 3120 3121 /* PLLU_OUT */ 3122 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0, 3123 clk_base + PLLU_BASE, 16, 4, 0, 3124 pll_vco_post_div_table, NULL); 3125 clk_register_clkdev(clk, "pll_u_out", NULL); 3126 clks[TEGRA210_CLK_PLL_U_OUT] = clk; 3127 3128 /* PLLU_OUT1 */ 3129 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out", 3130 clk_base + PLLU_OUTA, 0, 3131 TEGRA_DIVIDER_ROUND_UP, 3132 8, 8, 1, &pll_u_lock); 3133 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div", 3134 clk_base + PLLU_OUTA, 1, 0, 3135 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3136 clk_register_clkdev(clk, "pll_u_out1", NULL); 3137 clks[TEGRA210_CLK_PLL_U_OUT1] = clk; 3138 3139 /* PLLU_OUT2 */ 3140 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out", 3141 clk_base + PLLU_OUTA, 0, 3142 TEGRA_DIVIDER_ROUND_UP, 3143 24, 8, 1, &pll_u_lock); 3144 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div", 3145 clk_base + PLLU_OUTA, 17, 16, 3146 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3147 clk_register_clkdev(clk, "pll_u_out2", NULL); 3148 clks[TEGRA210_CLK_PLL_U_OUT2] = clk; 3149 3150 /* PLLU_480M */ 3151 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco", 3152 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3153 22, 0, &pll_u_lock); 3154 clk_register_clkdev(clk, "pll_u_480M", NULL); 3155 clks[TEGRA210_CLK_PLL_U_480M] = clk; 3156 3157 /* PLLU_60M */ 3158 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2", 3159 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3160 23, 0, &pll_u_lock); 3161 clk_register_clkdev(clk, "pll_u_60M", NULL); 3162 clks[TEGRA210_CLK_PLL_U_60M] = clk; 3163 3164 /* PLLU_48M */ 3165 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1", 3166 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3167 25, 0, &pll_u_lock); 3168 clk_register_clkdev(clk, "pll_u_48M", NULL); 3169 clks[TEGRA210_CLK_PLL_U_48M] = clk; 3170 3171 /* PLLD */ 3172 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, 3173 &pll_d_params, &pll_d_lock); 3174 clk_register_clkdev(clk, "pll_d", NULL); 3175 clks[TEGRA210_CLK_PLL_D] = clk; 3176 3177 /* PLLD_OUT0 */ 3178 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 3179 CLK_SET_RATE_PARENT, 1, 2); 3180 clk_register_clkdev(clk, "pll_d_out0", NULL); 3181 clks[TEGRA210_CLK_PLL_D_OUT0] = clk; 3182 3183 /* PLLRE */ 3184 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref", 3185 clk_base, pmc, 0, 3186 &pll_re_vco_params, 3187 &pll_re_lock, pll_ref_freq); 3188 clk_register_clkdev(clk, "pll_re_vco", NULL); 3189 clks[TEGRA210_CLK_PLL_RE_VCO] = clk; 3190 3191 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, 3192 clk_base + PLLRE_BASE, 16, 5, 0, 3193 pll_vco_post_div_table, &pll_re_lock); 3194 clk_register_clkdev(clk, "pll_re_out", NULL); 3195 clks[TEGRA210_CLK_PLL_RE_OUT] = clk; 3196 3197 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco", 3198 clk_base + PLLRE_OUT1, 0, 3199 TEGRA_DIVIDER_ROUND_UP, 3200 8, 8, 1, NULL); 3201 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div", 3202 clk_base + PLLRE_OUT1, 1, 0, 3203 CLK_SET_RATE_PARENT, 0, NULL); 3204 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk; 3205 3206 /* PLLE */ 3207 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref", 3208 clk_base, 0, &pll_e_params, NULL); 3209 clk_register_clkdev(clk, "pll_e", NULL); 3210 clks[TEGRA210_CLK_PLL_E] = clk; 3211 3212 /* PLLC4 */ 3213 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc, 3214 0, &pll_c4_vco_params, NULL, pll_ref_freq); 3215 clk_register_clkdev(clk, "pll_c4_vco", NULL); 3216 clks[TEGRA210_CLK_PLL_C4] = clk; 3217 3218 /* PLLC4_OUT0 */ 3219 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0, 3220 clk_base + PLLC4_BASE, 19, 4, 0, 3221 pll_vco_post_div_table, NULL); 3222 clk_register_clkdev(clk, "pll_c4_out0", NULL); 3223 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk; 3224 3225 /* PLLC4_OUT1 */ 3226 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco", 3227 CLK_SET_RATE_PARENT, 1, 3); 3228 clk_register_clkdev(clk, "pll_c4_out1", NULL); 3229 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk; 3230 3231 /* PLLC4_OUT2 */ 3232 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco", 3233 CLK_SET_RATE_PARENT, 1, 5); 3234 clk_register_clkdev(clk, "pll_c4_out2", NULL); 3235 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk; 3236 3237 /* PLLC4_OUT3 */ 3238 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0", 3239 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3240 8, 8, 1, NULL); 3241 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div", 3242 clk_base + PLLC4_OUT, 1, 0, 3243 CLK_SET_RATE_PARENT, 0, NULL); 3244 clk_register_clkdev(clk, "pll_c4_out3", NULL); 3245 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk; 3246 3247 /* PLLDP */ 3248 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base, 3249 0, &pll_dp_params, NULL); 3250 clk_register_clkdev(clk, "pll_dp", NULL); 3251 clks[TEGRA210_CLK_PLL_DP] = clk; 3252 3253 /* PLLD2 */ 3254 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base, 3255 0, &pll_d2_params, NULL); 3256 clk_register_clkdev(clk, "pll_d2", NULL); 3257 clks[TEGRA210_CLK_PLL_D2] = clk; 3258 3259 /* PLLD2_OUT0 */ 3260 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 3261 CLK_SET_RATE_PARENT, 1, 1); 3262 clk_register_clkdev(clk, "pll_d2_out0", NULL); 3263 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk; 3264 3265 /* PLLP_OUT2 */ 3266 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p", 3267 CLK_SET_RATE_PARENT, 1, 2); 3268 clk_register_clkdev(clk, "pll_p_out2", NULL); 3269 clks[TEGRA210_CLK_PLL_P_OUT2] = clk; 3270 3271 } 3272 3273 /* Tegra210 CPU clock and reset control functions */ 3274 static void tegra210_wait_cpu_in_reset(u32 cpu) 3275 { 3276 unsigned int reg; 3277 3278 do { 3279 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 3280 cpu_relax(); 3281 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 3282 } 3283 3284 static void tegra210_disable_cpu_clock(u32 cpu) 3285 { 3286 /* flow controller would take care in the power sequence. */ 3287 } 3288 3289 #ifdef CONFIG_PM_SLEEP 3290 static void tegra210_cpu_clock_suspend(void) 3291 { 3292 /* switch coresite to clk_m, save off original source */ 3293 tegra210_cpu_clk_sctx.clk_csite_src = 3294 readl(clk_base + CLK_SOURCE_CSITE); 3295 writel(3 << 30, clk_base + CLK_SOURCE_CSITE); 3296 } 3297 3298 static void tegra210_cpu_clock_resume(void) 3299 { 3300 writel(tegra210_cpu_clk_sctx.clk_csite_src, 3301 clk_base + CLK_SOURCE_CSITE); 3302 } 3303 #endif 3304 3305 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = { 3306 .wait_for_reset = tegra210_wait_cpu_in_reset, 3307 .disable_clock = tegra210_disable_cpu_clock, 3308 #ifdef CONFIG_PM_SLEEP 3309 .suspend = tegra210_cpu_clock_suspend, 3310 .resume = tegra210_cpu_clock_resume, 3311 #endif 3312 }; 3313 3314 static const struct of_device_id pmc_match[] __initconst = { 3315 { .compatible = "nvidia,tegra210-pmc" }, 3316 { }, 3317 }; 3318 3319 static struct tegra_clk_init_table init_table[] __initdata = { 3320 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3321 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3322 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3323 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3324 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 }, 3325 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 }, 3326 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 }, 3327 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 }, 3328 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3329 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3330 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3331 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3332 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3333 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3334 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 }, 3335 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 }, 3336 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 }, 3337 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3338 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3339 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, 3340 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, 3341 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3342 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, 3343 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, 3344 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3345 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3346 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 }, 3347 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3348 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3349 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 }, 3350 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 }, 3351 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3352 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3353 /* TODO find a way to enable this on-demand */ 3354 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3355 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 }, 3356 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 }, 3357 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 }, 3358 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 }, 3359 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 }, 3360 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 }, 3361 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 }, 3362 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 }, 3363 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3364 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3365 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, 3366 { TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3367 { TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3368 { TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3369 { TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3370 { TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3371 { TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3372 { TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3373 { TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3374 { TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 }, 3375 /* This MUST be the last entry. */ 3376 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 }, 3377 }; 3378 3379 /** 3380 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs 3381 * 3382 * Program an initial clock rate and enable or disable clocks needed 3383 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be 3384 * called by assigning a pointer to it to tegra_clk_apply_init_table - 3385 * this will be called as an arch_initcall. No return value. 3386 */ 3387 static void __init tegra210_clock_apply_init_table(void) 3388 { 3389 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX); 3390 } 3391 3392 /** 3393 * tegra210_car_barrier - wait for pending writes to the CAR to complete 3394 * 3395 * Wait for any outstanding writes to the CAR MMIO space from this CPU 3396 * to complete before continuing execution. No return value. 3397 */ 3398 static void tegra210_car_barrier(void) 3399 { 3400 readl_relaxed(clk_base + RST_DFLL_DVCO); 3401 } 3402 3403 /** 3404 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset 3405 * 3406 * Assert the reset line of the DFLL's DVCO. No return value. 3407 */ 3408 static void tegra210_clock_assert_dfll_dvco_reset(void) 3409 { 3410 u32 v; 3411 3412 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3413 v |= (1 << DVFS_DFLL_RESET_SHIFT); 3414 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3415 tegra210_car_barrier(); 3416 } 3417 3418 /** 3419 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset 3420 * 3421 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to 3422 * operate. No return value. 3423 */ 3424 static void tegra210_clock_deassert_dfll_dvco_reset(void) 3425 { 3426 u32 v; 3427 3428 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3429 v &= ~(1 << DVFS_DFLL_RESET_SHIFT); 3430 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3431 tegra210_car_barrier(); 3432 } 3433 3434 static int tegra210_reset_assert(unsigned long id) 3435 { 3436 if (id == TEGRA210_RST_DFLL_DVCO) 3437 tegra210_clock_assert_dfll_dvco_reset(); 3438 else if (id == TEGRA210_RST_ADSP) 3439 writel(GENMASK(26, 21) | BIT(7), 3440 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET); 3441 else 3442 return -EINVAL; 3443 3444 return 0; 3445 } 3446 3447 static int tegra210_reset_deassert(unsigned long id) 3448 { 3449 if (id == TEGRA210_RST_DFLL_DVCO) 3450 tegra210_clock_deassert_dfll_dvco_reset(); 3451 else if (id == TEGRA210_RST_ADSP) { 3452 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3453 /* 3454 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz) 3455 * a delay of 5us ensures that it's at least 3456 * 6 * adsp_cpu_cycle_period long. 3457 */ 3458 udelay(5); 3459 writel(GENMASK(26, 22) | BIT(7), 3460 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3461 } else 3462 return -EINVAL; 3463 3464 return 0; 3465 } 3466 3467 static void tegra210_mbist_clk_init(void) 3468 { 3469 unsigned int i, j; 3470 3471 for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) { 3472 unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks; 3473 struct clk_bulk_data *clk_data; 3474 3475 if (!num_clks) 3476 continue; 3477 3478 clk_data = kmalloc_array(num_clks, sizeof(*clk_data), 3479 GFP_KERNEL); 3480 if (WARN_ON(!clk_data)) 3481 return; 3482 3483 tegra210_pg_mbist_war[i].clks = clk_data; 3484 for (j = 0; j < num_clks; j++) { 3485 int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j]; 3486 struct clk *clk = clks[clk_id]; 3487 3488 if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) { 3489 kfree(clk_data); 3490 tegra210_pg_mbist_war[i].clks = NULL; 3491 break; 3492 } 3493 clk_data[j].clk = clk; 3494 } 3495 } 3496 } 3497 3498 /** 3499 * tegra210_clock_init - Tegra210-specific clock initialization 3500 * @np: struct device_node * of the DT node for the SoC CAR IP block 3501 * 3502 * Register most SoC clocks for the Tegra210 system-on-chip. Intended 3503 * to be called by the OF init code when a DT node with the 3504 * "nvidia,tegra210-car" string is encountered, and declared with 3505 * CLK_OF_DECLARE. No return value. 3506 */ 3507 static void __init tegra210_clock_init(struct device_node *np) 3508 { 3509 struct device_node *node; 3510 u32 value, clk_m_div; 3511 3512 clk_base = of_iomap(np, 0); 3513 if (!clk_base) { 3514 pr_err("ioremap tegra210 CAR failed\n"); 3515 return; 3516 } 3517 3518 node = of_find_matching_node(NULL, pmc_match); 3519 if (!node) { 3520 pr_err("Failed to find pmc node\n"); 3521 WARN_ON(1); 3522 return; 3523 } 3524 3525 pmc_base = of_iomap(node, 0); 3526 if (!pmc_base) { 3527 pr_err("Can't map pmc registers\n"); 3528 WARN_ON(1); 3529 return; 3530 } 3531 3532 ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K); 3533 if (!ahub_base) { 3534 pr_err("ioremap tegra210 APE failed\n"); 3535 return; 3536 } 3537 3538 dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K); 3539 if (!dispa_base) { 3540 pr_err("ioremap tegra210 DISPA failed\n"); 3541 return; 3542 } 3543 3544 vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K); 3545 if (!vic_base) { 3546 pr_err("ioremap tegra210 VIC failed\n"); 3547 return; 3548 } 3549 3550 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX, 3551 TEGRA210_CAR_BANK_COUNT); 3552 if (!clks) 3553 return; 3554 3555 value = readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT; 3556 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1; 3557 3558 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq, 3559 ARRAY_SIZE(tegra210_input_freq), clk_m_div, 3560 &osc_freq, &pll_ref_freq) < 0) 3561 return; 3562 3563 tegra_fixed_clk_init(tegra210_clks); 3564 tegra210_pll_init(clk_base, pmc_base); 3565 tegra210_periph_clk_init(clk_base, pmc_base); 3566 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, 3567 tegra210_audio_plls, 3568 ARRAY_SIZE(tegra210_audio_plls), 24576000); 3569 tegra_pmc_clk_init(pmc_base, tegra210_clks); 3570 3571 /* For Tegra210, PLLD is the only source for DSIA & DSIB */ 3572 value = readl(clk_base + PLLD_BASE); 3573 value &= ~BIT(25); 3574 writel(value, clk_base + PLLD_BASE); 3575 3576 tegra_clk_apply_init_table = tegra210_clock_apply_init_table; 3577 3578 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks, 3579 &pll_x_params); 3580 tegra_init_special_resets(2, tegra210_reset_assert, 3581 tegra210_reset_deassert); 3582 3583 tegra_add_of_provider(np, of_clk_src_onecell_get); 3584 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 3585 3586 tegra210_mbist_clk_init(); 3587 3588 tegra_cpu_car_ops = &tegra210_cpu_car_ops; 3589 } 3590 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init); 3591