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/syscore_ops.h> 13 #include <linux/delay.h> 14 #include <linux/export.h> 15 #include <linux/mutex.h> 16 #include <linux/clk/tegra.h> 17 #include <dt-bindings/clock/tegra210-car.h> 18 #include <dt-bindings/reset/tegra210-car.h> 19 #include <linux/sizes.h> 20 #include <soc/tegra/pmc.h> 21 22 #include "clk.h" 23 #include "clk-id.h" 24 25 /* 26 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register 27 * banks present in the Tegra210 CAR IP block. The banks are 28 * identified by single letters, e.g.: L, H, U, V, W, X, Y. See 29 * periph_regs[] in drivers/clk/tegra/clk.c 30 */ 31 #define TEGRA210_CAR_BANK_COUNT 7 32 33 #define CLK_SOURCE_CSITE 0x1d4 34 #define CLK_SOURCE_EMC 0x19c 35 #define CLK_SOURCE_SOR1 0x410 36 #define CLK_SOURCE_SOR0 0x414 37 #define CLK_SOURCE_LA 0x1f8 38 #define CLK_SOURCE_SDMMC2 0x154 39 #define CLK_SOURCE_SDMMC4 0x164 40 #define CLK_SOURCE_EMC_DLL 0x664 41 42 #define PLLC_BASE 0x80 43 #define PLLC_OUT 0x84 44 #define PLLC_MISC0 0x88 45 #define PLLC_MISC1 0x8c 46 #define PLLC_MISC2 0x5d0 47 #define PLLC_MISC3 0x5d4 48 49 #define PLLC2_BASE 0x4e8 50 #define PLLC2_MISC0 0x4ec 51 #define PLLC2_MISC1 0x4f0 52 #define PLLC2_MISC2 0x4f4 53 #define PLLC2_MISC3 0x4f8 54 55 #define PLLC3_BASE 0x4fc 56 #define PLLC3_MISC0 0x500 57 #define PLLC3_MISC1 0x504 58 #define PLLC3_MISC2 0x508 59 #define PLLC3_MISC3 0x50c 60 61 #define PLLM_BASE 0x90 62 #define PLLM_MISC1 0x98 63 #define PLLM_MISC2 0x9c 64 #define PLLP_BASE 0xa0 65 #define PLLP_MISC0 0xac 66 #define PLLP_MISC1 0x680 67 #define PLLA_BASE 0xb0 68 #define PLLA_MISC0 0xbc 69 #define PLLA_MISC1 0xb8 70 #define PLLA_MISC2 0x5d8 71 #define PLLD_BASE 0xd0 72 #define PLLD_MISC0 0xdc 73 #define PLLD_MISC1 0xd8 74 #define PLLU_BASE 0xc0 75 #define PLLU_OUTA 0xc4 76 #define PLLU_MISC0 0xcc 77 #define PLLU_MISC1 0xc8 78 #define PLLX_BASE 0xe0 79 #define PLLX_MISC0 0xe4 80 #define PLLX_MISC1 0x510 81 #define PLLX_MISC2 0x514 82 #define PLLX_MISC3 0x518 83 #define PLLX_MISC4 0x5f0 84 #define PLLX_MISC5 0x5f4 85 #define PLLE_BASE 0xe8 86 #define PLLE_MISC0 0xec 87 #define PLLD2_BASE 0x4b8 88 #define PLLD2_MISC0 0x4bc 89 #define PLLD2_MISC1 0x570 90 #define PLLD2_MISC2 0x574 91 #define PLLD2_MISC3 0x578 92 #define PLLE_AUX 0x48c 93 #define PLLRE_BASE 0x4c4 94 #define PLLRE_MISC0 0x4c8 95 #define PLLRE_OUT1 0x4cc 96 #define PLLDP_BASE 0x590 97 #define PLLDP_MISC 0x594 98 99 #define PLLC4_BASE 0x5a4 100 #define PLLC4_MISC0 0x5a8 101 #define PLLC4_OUT 0x5e4 102 #define PLLMB_BASE 0x5e8 103 #define PLLMB_MISC1 0x5ec 104 #define PLLA1_BASE 0x6a4 105 #define PLLA1_MISC0 0x6a8 106 #define PLLA1_MISC1 0x6ac 107 #define PLLA1_MISC2 0x6b0 108 #define PLLA1_MISC3 0x6b4 109 110 #define PLLU_IDDQ_BIT 31 111 #define PLLCX_IDDQ_BIT 27 112 #define PLLRE_IDDQ_BIT 24 113 #define PLLA_IDDQ_BIT 25 114 #define PLLD_IDDQ_BIT 20 115 #define PLLSS_IDDQ_BIT 18 116 #define PLLM_IDDQ_BIT 5 117 #define PLLMB_IDDQ_BIT 17 118 #define PLLXP_IDDQ_BIT 3 119 120 #define PLLCX_RESET_BIT 30 121 122 #define PLL_BASE_LOCK BIT(27) 123 #define PLLCX_BASE_LOCK BIT(26) 124 #define PLLE_MISC_LOCK BIT(11) 125 #define PLLRE_MISC_LOCK BIT(27) 126 127 #define PLL_MISC_LOCK_ENABLE 18 128 #define PLLC_MISC_LOCK_ENABLE 24 129 #define PLLDU_MISC_LOCK_ENABLE 22 130 #define PLLU_MISC_LOCK_ENABLE 29 131 #define PLLE_MISC_LOCK_ENABLE 9 132 #define PLLRE_MISC_LOCK_ENABLE 30 133 #define PLLSS_MISC_LOCK_ENABLE 30 134 #define PLLP_MISC_LOCK_ENABLE 18 135 #define PLLM_MISC_LOCK_ENABLE 4 136 #define PLLMB_MISC_LOCK_ENABLE 16 137 #define PLLA_MISC_LOCK_ENABLE 28 138 #define PLLU_MISC_LOCK_ENABLE 29 139 #define PLLD_MISC_LOCK_ENABLE 18 140 141 #define PLLA_SDM_DIN_MASK 0xffff 142 #define PLLA_SDM_EN_MASK BIT(26) 143 144 #define PLLD_SDM_EN_MASK BIT(16) 145 146 #define PLLD2_SDM_EN_MASK BIT(31) 147 #define PLLD2_SSC_EN_MASK 0 148 149 #define PLLDP_SS_CFG 0x598 150 #define PLLDP_SDM_EN_MASK BIT(31) 151 #define PLLDP_SSC_EN_MASK BIT(30) 152 #define PLLDP_SS_CTRL1 0x59c 153 #define PLLDP_SS_CTRL2 0x5a0 154 155 #define PMC_PLLM_WB0_OVERRIDE 0x1dc 156 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0 157 158 #define UTMIP_PLL_CFG2 0x488 159 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6) 160 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) 161 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) 162 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1) 163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) 164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3) 165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) 166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5) 167 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24) 168 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25) 169 170 #define UTMIP_PLL_CFG1 0x484 171 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) 172 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) 173 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17) 174 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) 175 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15) 176 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) 177 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) 178 179 #define SATA_PLL_CFG0 0x490 180 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 181 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2) 182 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4) 183 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5) 184 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6) 185 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7) 186 187 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 188 #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24) 189 190 #define XUSBIO_PLL_CFG0 0x51c 191 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 192 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2) 193 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6) 194 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 195 #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24) 196 197 #define UTMIPLL_HW_PWRDN_CFG0 0x52c 198 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31) 199 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25) 200 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 201 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7) 202 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 203 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5) 204 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4) 205 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 206 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1) 207 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0) 208 209 #define PLLU_HW_PWRDN_CFG0 0x530 210 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28) 211 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 212 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7) 213 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 214 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 215 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0) 216 217 #define XUSB_PLL_CFG0 0x534 218 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff 219 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14) 220 221 #define SPARE_REG0 0x55c 222 #define CLK_M_DIVISOR_SHIFT 2 223 #define CLK_M_DIVISOR_MASK 0x3 224 225 #define CLK_MASK_ARM 0x44 226 #define MISC_CLK_ENB 0x48 227 228 #define RST_DFLL_DVCO 0x2f4 229 #define DVFS_DFLL_RESET_SHIFT 0 230 231 #define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET 0x284 232 #define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR 0x288 233 #define CLK_OUT_ENB_X_CLK_ENB_EMC_DLL BIT(14) 234 235 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8 236 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac 237 #define CPU_SOFTRST_CTRL 0x380 238 239 #define LVL2_CLK_GATE_OVRA 0xf8 240 #define LVL2_CLK_GATE_OVRC 0x3a0 241 #define LVL2_CLK_GATE_OVRD 0x3a4 242 #define LVL2_CLK_GATE_OVRE 0x554 243 244 /* I2S registers to handle during APE MBIST WAR */ 245 #define TEGRA210_I2S_BASE 0x1000 246 #define TEGRA210_I2S_SIZE 0x100 247 #define TEGRA210_I2S_CTRLS 5 248 #define TEGRA210_I2S_CG 0x88 249 #define TEGRA210_I2S_CTRL 0xa0 250 251 /* DISPA registers to handle during MBIST WAR */ 252 #define DC_CMD_DISPLAY_COMMAND 0xc8 253 #define DC_COM_DSC_TOP_CTL 0xcf8 254 255 /* VIC register to handle during MBIST WAR */ 256 #define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c 257 258 /* APE, DISPA and VIC base addesses needed for MBIST WAR */ 259 #define TEGRA210_AHUB_BASE 0x702d0000 260 #define TEGRA210_DISPA_BASE 0x54200000 261 #define TEGRA210_VIC_BASE 0x54340000 262 263 /* 264 * SDM fractional divisor is 16-bit 2's complement signed number within 265 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned 266 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to 267 * indicate that SDM is disabled. 268 * 269 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13 270 */ 271 #define PLL_SDM_COEFF BIT(13) 272 #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU)) 273 #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat) 274 /* This macro returns ndiv effective scaled to SDM range */ 275 #define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \ 276 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0)) 277 278 /* Tegra CPU clock and reset control regs */ 279 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 280 281 #ifdef CONFIG_PM_SLEEP 282 static struct cpu_clk_suspend_context { 283 u32 clk_csite_src; 284 } tegra210_cpu_clk_sctx; 285 #endif 286 287 struct tegra210_domain_mbist_war { 288 void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist); 289 const u32 lvl2_offset; 290 const u32 lvl2_mask; 291 const unsigned int num_clks; 292 const unsigned int *clk_init_data; 293 struct clk_bulk_data *clks; 294 }; 295 296 static struct clk **clks; 297 298 static void __iomem *clk_base; 299 static void __iomem *pmc_base; 300 static void __iomem *ahub_base; 301 static void __iomem *dispa_base; 302 static void __iomem *vic_base; 303 304 static unsigned long osc_freq; 305 static unsigned long pll_ref_freq; 306 307 static DEFINE_SPINLOCK(pll_d_lock); 308 static DEFINE_SPINLOCK(pll_e_lock); 309 static DEFINE_SPINLOCK(pll_re_lock); 310 static DEFINE_SPINLOCK(pll_u_lock); 311 static DEFINE_SPINLOCK(sor0_lock); 312 static DEFINE_SPINLOCK(sor1_lock); 313 static DEFINE_SPINLOCK(emc_lock); 314 static DEFINE_MUTEX(lvl2_ovr_lock); 315 316 /* possible OSC frequencies in Hz */ 317 static unsigned long tegra210_input_freq[] = { 318 [5] = 38400000, 319 [8] = 12000000, 320 }; 321 322 #define PLL_ENABLE (1 << 30) 323 324 #define PLLCX_MISC1_IDDQ (1 << 27) 325 #define PLLCX_MISC0_RESET (1 << 30) 326 327 #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000 328 #define PLLCX_MISC0_WRITE_MASK 0x400ffffb 329 #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000 330 #define PLLCX_MISC1_WRITE_MASK 0x08003cff 331 #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05 332 #define PLLCX_MISC2_WRITE_MASK 0xffffff17 333 #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4 334 #define PLLCX_MISC3_WRITE_MASK 0x00ffffff 335 336 /* PLLA */ 337 #define PLLA_BASE_IDDQ (1 << 25) 338 #define PLLA_BASE_LOCK (1 << 27) 339 340 #define PLLA_MISC0_LOCK_ENABLE (1 << 28) 341 #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27) 342 343 #define PLLA_MISC2_EN_SDM (1 << 26) 344 #define PLLA_MISC2_EN_DYNRAMP (1 << 25) 345 346 #define PLLA_MISC0_DEFAULT_VALUE 0x12000020 347 #define PLLA_MISC0_WRITE_MASK 0x7fffffff 348 #define PLLA_MISC2_DEFAULT_VALUE 0x0 349 #define PLLA_MISC2_WRITE_MASK 0x06ffffff 350 351 /* PLLD */ 352 #define PLLD_BASE_CSI_CLKSOURCE (1 << 23) 353 354 #define PLLD_MISC0_EN_SDM (1 << 16) 355 #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17) 356 #define PLLD_MISC0_LOCK_ENABLE (1 << 18) 357 #define PLLD_MISC0_IDDQ (1 << 20) 358 #define PLLD_MISC0_DSI_CLKENABLE (1 << 21) 359 360 #define PLLD_MISC0_DEFAULT_VALUE 0x00140000 361 #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff 362 #define PLLD_MISC1_DEFAULT_VALUE 0x20 363 #define PLLD_MISC1_WRITE_MASK 0x00ffffff 364 365 /* PLLD2 and PLLDP and PLLC4 */ 366 #define PLLDSS_BASE_LOCK (1 << 27) 367 #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24) 368 #define PLLDSS_BASE_IDDQ (1 << 18) 369 #define PLLDSS_BASE_REF_SEL_SHIFT 25 370 #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT) 371 372 #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30) 373 374 #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31) 375 #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30) 376 377 #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020 378 #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000 379 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0 380 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0 381 382 #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020 383 #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000 384 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da 385 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400 386 387 #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff 388 #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000 389 #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff 390 #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff 391 392 #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000 393 394 /* PLLRE */ 395 #define PLLRE_MISC0_LOCK_ENABLE (1 << 30) 396 #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29) 397 #define PLLRE_MISC0_LOCK (1 << 27) 398 #define PLLRE_MISC0_IDDQ (1 << 24) 399 400 #define PLLRE_BASE_DEFAULT_VALUE 0x0 401 #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000 402 403 #define PLLRE_BASE_DEFAULT_MASK 0x1c000000 404 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff 405 406 /* PLLX */ 407 #define PLLX_USE_DYN_RAMP 1 408 #define PLLX_BASE_LOCK (1 << 27) 409 410 #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28) 411 #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18) 412 413 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24 414 #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT) 415 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16 416 #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT) 417 #define PLLX_MISC2_NDIV_NEW_SHIFT 8 418 #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT) 419 #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4) 420 #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2) 421 #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0) 422 423 #define PLLX_MISC3_IDDQ (0x1 << 3) 424 425 #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE 426 #define PLLX_MISC0_WRITE_MASK 0x10c40000 427 #define PLLX_MISC1_DEFAULT_VALUE 0x20 428 #define PLLX_MISC1_WRITE_MASK 0x00ffffff 429 #define PLLX_MISC2_DEFAULT_VALUE 0x0 430 #define PLLX_MISC2_WRITE_MASK 0xffffff11 431 #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ 432 #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f 433 #define PLLX_MISC4_DEFAULT_VALUE 0x0 434 #define PLLX_MISC4_WRITE_MASK 0x8000ffff 435 #define PLLX_MISC5_DEFAULT_VALUE 0x0 436 #define PLLX_MISC5_WRITE_MASK 0x0000ffff 437 438 #define PLLX_HW_CTRL_CFG 0x548 439 #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0) 440 441 /* PLLMB */ 442 #define PLLMB_BASE_LOCK (1 << 27) 443 444 #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18) 445 #define PLLMB_MISC1_IDDQ (1 << 17) 446 #define PLLMB_MISC1_LOCK_ENABLE (1 << 16) 447 448 #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000 449 #define PLLMB_MISC1_WRITE_MASK 0x0007ffff 450 451 /* PLLP */ 452 #define PLLP_BASE_OVERRIDE (1 << 28) 453 #define PLLP_BASE_LOCK (1 << 27) 454 455 #define PLLP_MISC0_LOCK_ENABLE (1 << 18) 456 #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17) 457 #define PLLP_MISC0_IDDQ (1 << 3) 458 459 #define PLLP_MISC1_HSIO_EN_SHIFT 29 460 #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT) 461 #define PLLP_MISC1_XUSB_EN_SHIFT 28 462 #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT) 463 464 #define PLLP_MISC0_DEFAULT_VALUE 0x00040008 465 #define PLLP_MISC1_DEFAULT_VALUE 0x0 466 467 #define PLLP_MISC0_WRITE_MASK 0xdc6000f 468 #define PLLP_MISC1_WRITE_MASK 0x70ffffff 469 470 /* PLLU */ 471 #define PLLU_BASE_LOCK (1 << 27) 472 #define PLLU_BASE_OVERRIDE (1 << 24) 473 #define PLLU_BASE_CLKENABLE_USB (1 << 21) 474 #define PLLU_BASE_CLKENABLE_HSIC (1 << 22) 475 #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23) 476 #define PLLU_BASE_CLKENABLE_48M (1 << 25) 477 #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\ 478 PLLU_BASE_CLKENABLE_HSIC |\ 479 PLLU_BASE_CLKENABLE_ICUSB |\ 480 PLLU_BASE_CLKENABLE_48M) 481 482 #define PLLU_MISC0_IDDQ (1 << 31) 483 #define PLLU_MISC0_LOCK_ENABLE (1 << 29) 484 #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0) 485 486 #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000 487 #define PLLU_MISC1_DEFAULT_VALUE 0x0 488 489 #define PLLU_MISC0_WRITE_MASK 0xbfffffff 490 #define PLLU_MISC1_WRITE_MASK 0x00000007 491 492 void tegra210_xusb_pll_hw_control_enable(void) 493 { 494 u32 val; 495 496 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 497 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL | 498 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL); 499 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET | 500 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ; 501 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 502 } 503 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable); 504 505 void tegra210_xusb_pll_hw_sequence_start(void) 506 { 507 u32 val; 508 509 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 510 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE; 511 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 512 } 513 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start); 514 515 void tegra210_sata_pll_hw_control_enable(void) 516 { 517 u32 val; 518 519 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 520 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL; 521 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET | 522 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ; 523 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 524 } 525 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable); 526 527 void tegra210_sata_pll_hw_sequence_start(void) 528 { 529 u32 val; 530 531 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 532 val |= SATA_PLL_CFG0_SEQ_ENABLE; 533 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 534 } 535 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start); 536 537 void tegra210_set_sata_pll_seq_sw(bool state) 538 { 539 u32 val; 540 541 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 542 if (state) { 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 } else { 548 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 549 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 550 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 551 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 552 } 553 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 554 } 555 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw); 556 557 void tegra210_clk_emc_dll_enable(bool flag) 558 { 559 u32 offset = flag ? CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET : 560 CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR; 561 562 writel_relaxed(CLK_OUT_ENB_X_CLK_ENB_EMC_DLL, clk_base + offset); 563 } 564 EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_enable); 565 566 void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value) 567 { 568 writel_relaxed(emc_dll_src_value, clk_base + CLK_SOURCE_EMC_DLL); 569 } 570 EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_update_setting); 571 572 void tegra210_clk_emc_update_setting(u32 emc_src_value) 573 { 574 writel_relaxed(emc_src_value, clk_base + CLK_SOURCE_EMC); 575 } 576 EXPORT_SYMBOL_GPL(tegra210_clk_emc_update_setting); 577 578 static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist) 579 { 580 u32 val; 581 582 val = readl_relaxed(clk_base + mbist->lvl2_offset); 583 writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset); 584 fence_udelay(1, clk_base); 585 writel_relaxed(val, clk_base + mbist->lvl2_offset); 586 fence_udelay(1, clk_base); 587 } 588 589 static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist) 590 { 591 u32 csi_src, ovra, ovre; 592 unsigned long flags = 0; 593 594 spin_lock_irqsave(&pll_d_lock, flags); 595 596 csi_src = readl_relaxed(clk_base + PLLD_BASE); 597 writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE); 598 fence_udelay(1, clk_base); 599 600 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); 601 writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA); 602 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 603 writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE); 604 fence_udelay(1, clk_base); 605 606 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); 607 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 608 writel_relaxed(csi_src, clk_base + PLLD_BASE); 609 fence_udelay(1, clk_base); 610 611 spin_unlock_irqrestore(&pll_d_lock, flags); 612 } 613 614 static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist) 615 { 616 u32 ovra, dsc_top_ctrl; 617 618 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); 619 writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA); 620 fence_udelay(1, clk_base); 621 622 dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL); 623 writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL); 624 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); 625 writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL); 626 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); 627 628 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); 629 fence_udelay(1, clk_base); 630 } 631 632 static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist) 633 { 634 u32 ovre, val; 635 636 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 637 writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE); 638 fence_udelay(1, clk_base); 639 640 val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 641 writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24), 642 vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 643 fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 644 645 writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 646 readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 647 648 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 649 fence_udelay(1, clk_base); 650 } 651 652 static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist) 653 { 654 void __iomem *i2s_base; 655 unsigned int i; 656 u32 ovrc, ovre; 657 658 ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC); 659 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 660 writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC); 661 writel_relaxed(ovre | BIT(10) | BIT(11), 662 clk_base + LVL2_CLK_GATE_OVRE); 663 fence_udelay(1, clk_base); 664 665 i2s_base = ahub_base + TEGRA210_I2S_BASE; 666 667 for (i = 0; i < TEGRA210_I2S_CTRLS; i++) { 668 u32 i2s_ctrl; 669 670 i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL); 671 writel_relaxed(i2s_ctrl | BIT(10), 672 i2s_base + TEGRA210_I2S_CTRL); 673 writel_relaxed(0, i2s_base + TEGRA210_I2S_CG); 674 readl(i2s_base + TEGRA210_I2S_CG); 675 writel_relaxed(1, i2s_base + TEGRA210_I2S_CG); 676 writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL); 677 readl(i2s_base + TEGRA210_I2S_CTRL); 678 679 i2s_base += TEGRA210_I2S_SIZE; 680 } 681 682 writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC); 683 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 684 fence_udelay(1, clk_base); 685 } 686 687 static inline void _pll_misc_chk_default(void __iomem *base, 688 struct tegra_clk_pll_params *params, 689 u8 misc_num, u32 default_val, u32 mask) 690 { 691 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]); 692 693 boot_val &= mask; 694 default_val &= mask; 695 if (boot_val != default_val) { 696 pr_warn("boot misc%d 0x%x: expected 0x%x\n", 697 misc_num, boot_val, default_val); 698 pr_warn(" (comparison mask = 0x%x)\n", mask); 699 params->defaults_set = false; 700 } 701 } 702 703 /* 704 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1 705 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition 706 * that changes NDIV only, while PLL is already locked. 707 */ 708 static void pllcx_check_defaults(struct tegra_clk_pll_params *params) 709 { 710 u32 default_val; 711 712 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET); 713 _pll_misc_chk_default(clk_base, params, 0, default_val, 714 PLLCX_MISC0_WRITE_MASK); 715 716 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ); 717 _pll_misc_chk_default(clk_base, params, 1, default_val, 718 PLLCX_MISC1_WRITE_MASK); 719 720 default_val = PLLCX_MISC2_DEFAULT_VALUE; 721 _pll_misc_chk_default(clk_base, params, 2, default_val, 722 PLLCX_MISC2_WRITE_MASK); 723 724 default_val = PLLCX_MISC3_DEFAULT_VALUE; 725 _pll_misc_chk_default(clk_base, params, 3, default_val, 726 PLLCX_MISC3_WRITE_MASK); 727 } 728 729 static void tegra210_pllcx_set_defaults(const char *name, 730 struct tegra_clk_pll *pllcx) 731 { 732 pllcx->params->defaults_set = true; 733 734 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) { 735 /* PLL is ON: only check if defaults already set */ 736 pllcx_check_defaults(pllcx->params); 737 if (!pllcx->params->defaults_set) 738 pr_warn("%s already enabled. Postponing set full defaults\n", 739 name); 740 return; 741 } 742 743 /* Defaults assert PLL reset, and set IDDQ */ 744 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE, 745 clk_base + pllcx->params->ext_misc_reg[0]); 746 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE, 747 clk_base + pllcx->params->ext_misc_reg[1]); 748 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE, 749 clk_base + pllcx->params->ext_misc_reg[2]); 750 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE, 751 clk_base + pllcx->params->ext_misc_reg[3]); 752 udelay(1); 753 } 754 755 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx) 756 { 757 tegra210_pllcx_set_defaults("PLL_C", pllcx); 758 } 759 760 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx) 761 { 762 tegra210_pllcx_set_defaults("PLL_C2", pllcx); 763 } 764 765 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx) 766 { 767 tegra210_pllcx_set_defaults("PLL_C3", pllcx); 768 } 769 770 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx) 771 { 772 tegra210_pllcx_set_defaults("PLL_A1", pllcx); 773 } 774 775 /* 776 * PLLA 777 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used. 778 * Fractional SDM is allowed to provide exact audio rates. 779 */ 780 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) 781 { 782 u32 mask; 783 u32 val = readl_relaxed(clk_base + plla->params->base_reg); 784 785 plla->params->defaults_set = true; 786 787 if (val & PLL_ENABLE) { 788 /* 789 * PLL is ON: check if defaults already set, then set those 790 * that can be updated in flight. 791 */ 792 if (val & PLLA_BASE_IDDQ) { 793 pr_warn("PLL_A boot enabled with IDDQ set\n"); 794 plla->params->defaults_set = false; 795 } 796 797 pr_warn("PLL_A already enabled. Postponing set full defaults\n"); 798 799 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */ 800 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE; 801 _pll_misc_chk_default(clk_base, plla->params, 0, val, 802 ~mask & PLLA_MISC0_WRITE_MASK); 803 804 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */ 805 _pll_misc_chk_default(clk_base, plla->params, 2, val, 806 PLLA_MISC2_EN_DYNRAMP); 807 808 /* Enable lock detect */ 809 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]); 810 val &= ~mask; 811 val |= PLLA_MISC0_DEFAULT_VALUE & mask; 812 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]); 813 udelay(1); 814 815 return; 816 } 817 818 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */ 819 val |= PLLA_BASE_IDDQ; 820 writel_relaxed(val, clk_base + plla->params->base_reg); 821 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE, 822 clk_base + plla->params->ext_misc_reg[0]); 823 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE, 824 clk_base + plla->params->ext_misc_reg[2]); 825 udelay(1); 826 } 827 828 /* 829 * PLLD 830 * PLL with fractional SDM. 831 */ 832 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld) 833 { 834 u32 val; 835 u32 mask = 0xffff; 836 837 plld->params->defaults_set = true; 838 839 if (readl_relaxed(clk_base + plld->params->base_reg) & 840 PLL_ENABLE) { 841 842 /* 843 * PLL is ON: check if defaults already set, then set those 844 * that can be updated in flight. 845 */ 846 val = PLLD_MISC1_DEFAULT_VALUE; 847 _pll_misc_chk_default(clk_base, plld->params, 1, 848 val, PLLD_MISC1_WRITE_MASK); 849 850 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */ 851 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ); 852 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE | 853 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM; 854 _pll_misc_chk_default(clk_base, plld->params, 0, val, 855 ~mask & PLLD_MISC0_WRITE_MASK); 856 857 if (!plld->params->defaults_set) 858 pr_warn("PLL_D already enabled. Postponing set full defaults\n"); 859 860 /* Enable lock detect */ 861 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE; 862 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 863 val &= ~mask; 864 val |= PLLD_MISC0_DEFAULT_VALUE & mask; 865 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 866 udelay(1); 867 868 return; 869 } 870 871 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 872 val &= PLLD_MISC0_DSI_CLKENABLE; 873 val |= PLLD_MISC0_DEFAULT_VALUE; 874 /* set IDDQ, enable lock detect, disable SDM */ 875 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 876 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base + 877 plld->params->ext_misc_reg[1]); 878 udelay(1); 879 } 880 881 /* 882 * PLLD2, PLLDP 883 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used). 884 */ 885 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss, 886 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val) 887 { 888 u32 default_val; 889 u32 val = readl_relaxed(clk_base + plldss->params->base_reg); 890 891 plldss->params->defaults_set = true; 892 893 if (val & PLL_ENABLE) { 894 895 /* 896 * PLL is ON: check if defaults already set, then set those 897 * that can be updated in flight. 898 */ 899 if (val & PLLDSS_BASE_IDDQ) { 900 pr_warn("plldss boot enabled with IDDQ set\n"); 901 plldss->params->defaults_set = false; 902 } 903 904 /* ignore lock enable */ 905 default_val = misc0_val; 906 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val, 907 PLLDSS_MISC0_WRITE_MASK & 908 (~PLLDSS_MISC0_LOCK_ENABLE)); 909 910 /* 911 * If SSC is used, check all settings, otherwise just confirm 912 * that SSC is not used on boot as well. Do nothing when using 913 * this function for PLLC4 that has only MISC0. 914 */ 915 if (plldss->params->ssc_ctrl_en_mask) { 916 default_val = misc1_val; 917 _pll_misc_chk_default(clk_base, plldss->params, 1, 918 default_val, PLLDSS_MISC1_CFG_WRITE_MASK); 919 default_val = misc2_val; 920 _pll_misc_chk_default(clk_base, plldss->params, 2, 921 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK); 922 default_val = misc3_val; 923 _pll_misc_chk_default(clk_base, plldss->params, 3, 924 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK); 925 } else if (plldss->params->ext_misc_reg[1]) { 926 default_val = misc1_val; 927 _pll_misc_chk_default(clk_base, plldss->params, 1, 928 default_val, PLLDSS_MISC1_CFG_WRITE_MASK & 929 (~PLLDSS_MISC1_CFG_EN_SDM)); 930 } 931 932 if (!plldss->params->defaults_set) 933 pr_warn("%s already enabled. Postponing set full defaults\n", 934 pll_name); 935 936 /* Enable lock detect */ 937 if (val & PLLDSS_BASE_LOCK_OVERRIDE) { 938 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 939 writel_relaxed(val, clk_base + 940 plldss->params->base_reg); 941 } 942 943 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]); 944 val &= ~PLLDSS_MISC0_LOCK_ENABLE; 945 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE; 946 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]); 947 udelay(1); 948 949 return; 950 } 951 952 /* set IDDQ, enable lock detect, configure SDM/SSC */ 953 val |= PLLDSS_BASE_IDDQ; 954 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 955 writel_relaxed(val, clk_base + plldss->params->base_reg); 956 957 /* When using this function for PLLC4 exit here */ 958 if (!plldss->params->ext_misc_reg[1]) { 959 writel_relaxed(misc0_val, clk_base + 960 plldss->params->ext_misc_reg[0]); 961 udelay(1); 962 return; 963 } 964 965 writel_relaxed(misc0_val, clk_base + 966 plldss->params->ext_misc_reg[0]); 967 /* if SSC used set by 1st enable */ 968 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC), 969 clk_base + plldss->params->ext_misc_reg[1]); 970 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]); 971 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]); 972 udelay(1); 973 } 974 975 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) 976 { 977 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE, 978 PLLD2_MISC1_CFG_DEFAULT_VALUE, 979 PLLD2_MISC2_CTRL1_DEFAULT_VALUE, 980 PLLD2_MISC3_CTRL2_DEFAULT_VALUE); 981 } 982 983 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) 984 { 985 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE, 986 PLLDP_MISC1_CFG_DEFAULT_VALUE, 987 PLLDP_MISC2_CTRL1_DEFAULT_VALUE, 988 PLLDP_MISC3_CTRL2_DEFAULT_VALUE); 989 } 990 991 /* 992 * PLLC4 993 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support. 994 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers. 995 */ 996 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) 997 { 998 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0); 999 } 1000 1001 /* 1002 * PLLRE 1003 * VCO is exposed to the clock tree directly along with post-divider output 1004 */ 1005 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) 1006 { 1007 u32 mask; 1008 u32 val = readl_relaxed(clk_base + pllre->params->base_reg); 1009 1010 pllre->params->defaults_set = true; 1011 1012 if (val & PLL_ENABLE) { 1013 /* 1014 * PLL is ON: check if defaults already set, then set those 1015 * that can be updated in flight. 1016 */ 1017 val &= PLLRE_BASE_DEFAULT_MASK; 1018 if (val != PLLRE_BASE_DEFAULT_VALUE) { 1019 pr_warn("pllre boot base 0x%x : expected 0x%x\n", 1020 val, PLLRE_BASE_DEFAULT_VALUE); 1021 pr_warn("(comparison mask = 0x%x)\n", 1022 PLLRE_BASE_DEFAULT_MASK); 1023 pllre->params->defaults_set = false; 1024 } 1025 1026 /* Ignore lock enable */ 1027 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ); 1028 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE; 1029 _pll_misc_chk_default(clk_base, pllre->params, 0, val, 1030 ~mask & PLLRE_MISC0_WRITE_MASK); 1031 1032 /* The PLL doesn't work if it's in IDDQ. */ 1033 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]); 1034 if (val & PLLRE_MISC0_IDDQ) 1035 pr_warn("unexpected IDDQ bit set for enabled clock\n"); 1036 1037 /* Enable lock detect */ 1038 val &= ~mask; 1039 val |= PLLRE_MISC0_DEFAULT_VALUE & mask; 1040 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]); 1041 udelay(1); 1042 1043 if (!pllre->params->defaults_set) 1044 pr_warn("PLL_RE already enabled. Postponing set full defaults\n"); 1045 1046 return; 1047 } 1048 1049 /* set IDDQ, enable lock detect */ 1050 val &= ~PLLRE_BASE_DEFAULT_MASK; 1051 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK; 1052 writel_relaxed(val, clk_base + pllre->params->base_reg); 1053 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE, 1054 clk_base + pllre->params->ext_misc_reg[0]); 1055 udelay(1); 1056 } 1057 1058 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) 1059 { 1060 unsigned long input_rate; 1061 1062 /* cf rate */ 1063 if (!IS_ERR_OR_NULL(hw->clk)) 1064 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); 1065 else 1066 input_rate = 38400000; 1067 1068 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); 1069 1070 switch (input_rate) { 1071 case 12000000: 1072 case 12800000: 1073 case 13000000: 1074 *step_a = 0x2B; 1075 *step_b = 0x0B; 1076 return; 1077 case 19200000: 1078 *step_a = 0x12; 1079 *step_b = 0x08; 1080 return; 1081 case 38400000: 1082 *step_a = 0x04; 1083 *step_b = 0x05; 1084 return; 1085 default: 1086 pr_err("%s: Unexpected reference rate %lu\n", 1087 __func__, input_rate); 1088 BUG(); 1089 } 1090 } 1091 1092 static void pllx_check_defaults(struct tegra_clk_pll *pll) 1093 { 1094 u32 default_val; 1095 1096 default_val = PLLX_MISC0_DEFAULT_VALUE; 1097 /* ignore lock enable */ 1098 _pll_misc_chk_default(clk_base, pll->params, 0, default_val, 1099 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE)); 1100 1101 default_val = PLLX_MISC1_DEFAULT_VALUE; 1102 _pll_misc_chk_default(clk_base, pll->params, 1, default_val, 1103 PLLX_MISC1_WRITE_MASK); 1104 1105 /* ignore all but control bit */ 1106 default_val = PLLX_MISC2_DEFAULT_VALUE; 1107 _pll_misc_chk_default(clk_base, pll->params, 2, 1108 default_val, PLLX_MISC2_EN_DYNRAMP); 1109 1110 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ); 1111 _pll_misc_chk_default(clk_base, pll->params, 3, default_val, 1112 PLLX_MISC3_WRITE_MASK); 1113 1114 default_val = PLLX_MISC4_DEFAULT_VALUE; 1115 _pll_misc_chk_default(clk_base, pll->params, 4, default_val, 1116 PLLX_MISC4_WRITE_MASK); 1117 1118 default_val = PLLX_MISC5_DEFAULT_VALUE; 1119 _pll_misc_chk_default(clk_base, pll->params, 5, default_val, 1120 PLLX_MISC5_WRITE_MASK); 1121 } 1122 1123 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) 1124 { 1125 u32 val; 1126 u32 step_a, step_b; 1127 1128 pllx->params->defaults_set = true; 1129 1130 /* Get ready dyn ramp state machine settings */ 1131 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b); 1132 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) & 1133 (~PLLX_MISC2_DYNRAMP_STEPB_MASK); 1134 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT; 1135 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT; 1136 1137 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) { 1138 1139 /* 1140 * PLL is ON: check if defaults already set, then set those 1141 * that can be updated in flight. 1142 */ 1143 pllx_check_defaults(pllx); 1144 1145 if (!pllx->params->defaults_set) 1146 pr_warn("PLL_X already enabled. Postponing set full defaults\n"); 1147 /* Configure dyn ramp, disable lock override */ 1148 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1149 1150 /* Enable lock detect */ 1151 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]); 1152 val &= ~PLLX_MISC0_LOCK_ENABLE; 1153 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE; 1154 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]); 1155 udelay(1); 1156 1157 return; 1158 } 1159 1160 /* Enable lock detect and CPU output */ 1161 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base + 1162 pllx->params->ext_misc_reg[0]); 1163 1164 /* Setup */ 1165 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base + 1166 pllx->params->ext_misc_reg[1]); 1167 1168 /* Configure dyn ramp state machine, disable lock override */ 1169 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1170 1171 /* Set IDDQ */ 1172 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base + 1173 pllx->params->ext_misc_reg[3]); 1174 1175 /* Disable SDM */ 1176 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base + 1177 pllx->params->ext_misc_reg[4]); 1178 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base + 1179 pllx->params->ext_misc_reg[5]); 1180 udelay(1); 1181 } 1182 1183 /* PLLMB */ 1184 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) 1185 { 1186 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg); 1187 1188 pllmb->params->defaults_set = true; 1189 1190 if (val & PLL_ENABLE) { 1191 1192 /* 1193 * PLL is ON: check if defaults already set, then set those 1194 * that can be updated in flight. 1195 */ 1196 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ); 1197 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE; 1198 _pll_misc_chk_default(clk_base, pllmb->params, 0, val, 1199 ~mask & PLLMB_MISC1_WRITE_MASK); 1200 1201 if (!pllmb->params->defaults_set) 1202 pr_warn("PLL_MB already enabled. Postponing set full defaults\n"); 1203 /* Enable lock detect */ 1204 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]); 1205 val &= ~mask; 1206 val |= PLLMB_MISC1_DEFAULT_VALUE & mask; 1207 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]); 1208 udelay(1); 1209 1210 return; 1211 } 1212 1213 /* set IDDQ, enable lock detect */ 1214 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE, 1215 clk_base + pllmb->params->ext_misc_reg[0]); 1216 udelay(1); 1217 } 1218 1219 /* 1220 * PLLP 1221 * VCO is exposed to the clock tree directly along with post-divider output. 1222 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz, 1223 * respectively. 1224 */ 1225 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled) 1226 { 1227 u32 val, mask; 1228 1229 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */ 1230 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ); 1231 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1232 if (!enabled) 1233 mask |= PLLP_MISC0_IDDQ; 1234 _pll_misc_chk_default(clk_base, pll->params, 0, val, 1235 ~mask & PLLP_MISC0_WRITE_MASK); 1236 1237 /* Ignore branch controls */ 1238 val = PLLP_MISC1_DEFAULT_VALUE; 1239 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1240 _pll_misc_chk_default(clk_base, pll->params, 1, val, 1241 ~mask & PLLP_MISC1_WRITE_MASK); 1242 } 1243 1244 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) 1245 { 1246 u32 mask; 1247 u32 val = readl_relaxed(clk_base + pllp->params->base_reg); 1248 1249 pllp->params->defaults_set = true; 1250 1251 if (val & PLL_ENABLE) { 1252 1253 /* 1254 * PLL is ON: check if defaults already set, then set those 1255 * that can be updated in flight. 1256 */ 1257 pllp_check_defaults(pllp, true); 1258 if (!pllp->params->defaults_set) 1259 pr_warn("PLL_P already enabled. Postponing set full defaults\n"); 1260 1261 /* Enable lock detect */ 1262 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]); 1263 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1264 val &= ~mask; 1265 val |= PLLP_MISC0_DEFAULT_VALUE & mask; 1266 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]); 1267 udelay(1); 1268 1269 return; 1270 } 1271 1272 /* set IDDQ, enable lock detect */ 1273 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE, 1274 clk_base + pllp->params->ext_misc_reg[0]); 1275 1276 /* Preserve branch control */ 1277 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]); 1278 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1279 val &= mask; 1280 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE; 1281 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]); 1282 udelay(1); 1283 } 1284 1285 /* 1286 * PLLU 1287 * VCO is exposed to the clock tree directly along with post-divider output. 1288 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz, 1289 * respectively. 1290 */ 1291 static void pllu_check_defaults(struct tegra_clk_pll_params *params, 1292 bool hw_control) 1293 { 1294 u32 val, mask; 1295 1296 /* Ignore lock enable (will be set) and IDDQ if under h/w control */ 1297 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ); 1298 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0); 1299 _pll_misc_chk_default(clk_base, params, 0, val, 1300 ~mask & PLLU_MISC0_WRITE_MASK); 1301 1302 val = PLLU_MISC1_DEFAULT_VALUE; 1303 mask = PLLU_MISC1_LOCK_OVERRIDE; 1304 _pll_misc_chk_default(clk_base, params, 1, val, 1305 ~mask & PLLU_MISC1_WRITE_MASK); 1306 } 1307 1308 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu) 1309 { 1310 u32 val = readl_relaxed(clk_base + pllu->base_reg); 1311 1312 pllu->defaults_set = true; 1313 1314 if (val & PLL_ENABLE) { 1315 1316 /* 1317 * PLL is ON: check if defaults already set, then set those 1318 * that can be updated in flight. 1319 */ 1320 pllu_check_defaults(pllu, false); 1321 if (!pllu->defaults_set) 1322 pr_warn("PLL_U already enabled. Postponing set full defaults\n"); 1323 1324 /* Enable lock detect */ 1325 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]); 1326 val &= ~PLLU_MISC0_LOCK_ENABLE; 1327 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE; 1328 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]); 1329 1330 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]); 1331 val &= ~PLLU_MISC1_LOCK_OVERRIDE; 1332 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE; 1333 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]); 1334 udelay(1); 1335 1336 return; 1337 } 1338 1339 /* set IDDQ, enable lock detect */ 1340 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE, 1341 clk_base + pllu->ext_misc_reg[0]); 1342 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE, 1343 clk_base + pllu->ext_misc_reg[1]); 1344 udelay(1); 1345 } 1346 1347 #define mask(w) ((1 << (w)) - 1) 1348 #define divm_mask(p) mask(p->params->div_nmp->divm_width) 1349 #define divn_mask(p) mask(p->params->div_nmp->divn_width) 1350 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ 1351 mask(p->params->div_nmp->divp_width)) 1352 1353 #define divm_shift(p) ((p)->params->div_nmp->divm_shift) 1354 #define divn_shift(p) ((p)->params->div_nmp->divn_shift) 1355 #define divp_shift(p) ((p)->params->div_nmp->divp_shift) 1356 1357 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p)) 1358 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p)) 1359 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p)) 1360 1361 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */ 1362 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll, 1363 u32 reg, u32 mask) 1364 { 1365 int i; 1366 u32 val = 0; 1367 1368 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) { 1369 udelay(PLL_LOCKDET_DELAY); 1370 val = readl_relaxed(clk_base + reg); 1371 if ((val & mask) == mask) { 1372 udelay(PLL_LOCKDET_DELAY); 1373 return 0; 1374 } 1375 } 1376 return -ETIMEDOUT; 1377 } 1378 1379 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx, 1380 struct tegra_clk_pll_freq_table *cfg) 1381 { 1382 u32 val, base, ndiv_new_mask; 1383 1384 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift) 1385 << PLLX_MISC2_NDIV_NEW_SHIFT; 1386 1387 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1388 val &= (~ndiv_new_mask); 1389 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT; 1390 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1391 udelay(1); 1392 1393 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1394 val |= PLLX_MISC2_EN_DYNRAMP; 1395 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1396 udelay(1); 1397 1398 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2], 1399 PLLX_MISC2_DYNRAMP_DONE); 1400 1401 base = readl_relaxed(clk_base + pllx->params->base_reg) & 1402 (~divn_mask_shifted(pllx)); 1403 base |= cfg->n << pllx->params->div_nmp->divn_shift; 1404 writel_relaxed(base, clk_base + pllx->params->base_reg); 1405 udelay(1); 1406 1407 val &= ~PLLX_MISC2_EN_DYNRAMP; 1408 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1409 udelay(1); 1410 1411 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n", 1412 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p, 1413 cfg->input_rate / cfg->m * cfg->n / 1414 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000); 1415 1416 return 0; 1417 } 1418 1419 /* 1420 * Common configuration for PLLs with fixed input divider policy: 1421 * - always set fixed M-value based on the reference rate 1422 * - always set P-value value 1:1 for output rates above VCO minimum, and 1423 * choose minimum necessary P-value for output rates below VCO maximum 1424 * - calculate N-value based on selected M and P 1425 * - calculate SDM_DIN fractional part 1426 */ 1427 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw, 1428 struct tegra_clk_pll_freq_table *cfg, 1429 unsigned long rate, unsigned long input_rate) 1430 { 1431 struct tegra_clk_pll *pll = to_clk_pll(hw); 1432 struct tegra_clk_pll_params *params = pll->params; 1433 int p; 1434 unsigned long cf, p_rate; 1435 u32 pdiv; 1436 1437 if (!rate) 1438 return -EINVAL; 1439 1440 if (!(params->flags & TEGRA_PLL_VCO_OUT)) { 1441 p = DIV_ROUND_UP(params->vco_min, rate); 1442 p = params->round_p_to_pdiv(p, &pdiv); 1443 } else { 1444 p = rate >= params->vco_min ? 1 : -EINVAL; 1445 } 1446 1447 if (p < 0) 1448 return -EINVAL; 1449 1450 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate); 1451 cfg->p = p; 1452 1453 /* Store P as HW value, as that is what is expected */ 1454 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p); 1455 1456 p_rate = rate * p; 1457 if (p_rate > params->vco_max) 1458 p_rate = params->vco_max; 1459 cf = input_rate / cfg->m; 1460 cfg->n = p_rate / cf; 1461 1462 cfg->sdm_data = 0; 1463 cfg->output_rate = input_rate; 1464 if (params->sdm_ctrl_reg) { 1465 unsigned long rem = p_rate - cf * cfg->n; 1466 /* If ssc is enabled SDM enabled as well, even for integer n */ 1467 if (rem || params->ssc_ctrl_reg) { 1468 u64 s = rem * PLL_SDM_COEFF; 1469 1470 do_div(s, cf); 1471 s -= PLL_SDM_COEFF / 2; 1472 cfg->sdm_data = sdin_din_to_data(s); 1473 } 1474 cfg->output_rate *= sdin_get_n_eff(cfg); 1475 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF; 1476 } else { 1477 cfg->output_rate *= cfg->n; 1478 cfg->output_rate /= p * cfg->m; 1479 } 1480 1481 cfg->input_rate = input_rate; 1482 1483 return 0; 1484 } 1485 1486 /* 1487 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate 1488 * 1489 * @cfg: struct tegra_clk_pll_freq_table * cfg 1490 * 1491 * For Normal mode: 1492 * Fvco = Fref * NDIV / MDIV 1493 * 1494 * For fractional mode: 1495 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV 1496 */ 1497 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg) 1498 { 1499 cfg->n = sdin_get_n_eff(cfg); 1500 cfg->m *= PLL_SDM_COEFF; 1501 } 1502 1503 static unsigned long 1504 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, 1505 unsigned long parent_rate) 1506 { 1507 unsigned long vco_min = params->vco_min; 1508 1509 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF); 1510 vco_min = min(vco_min, params->vco_min); 1511 1512 return vco_min; 1513 } 1514 1515 static struct div_nmp pllx_nmp = { 1516 .divm_shift = 0, 1517 .divm_width = 8, 1518 .divn_shift = 8, 1519 .divn_width = 8, 1520 .divp_shift = 20, 1521 .divp_width = 5, 1522 }; 1523 /* 1524 * PLL post divider maps - two types: quasi-linear and exponential 1525 * post divider. 1526 */ 1527 #define PLL_QLIN_PDIV_MAX 16 1528 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = { 1529 { .pdiv = 1, .hw_val = 0 }, 1530 { .pdiv = 2, .hw_val = 1 }, 1531 { .pdiv = 3, .hw_val = 2 }, 1532 { .pdiv = 4, .hw_val = 3 }, 1533 { .pdiv = 5, .hw_val = 4 }, 1534 { .pdiv = 6, .hw_val = 5 }, 1535 { .pdiv = 8, .hw_val = 6 }, 1536 { .pdiv = 9, .hw_val = 7 }, 1537 { .pdiv = 10, .hw_val = 8 }, 1538 { .pdiv = 12, .hw_val = 9 }, 1539 { .pdiv = 15, .hw_val = 10 }, 1540 { .pdiv = 16, .hw_val = 11 }, 1541 { .pdiv = 18, .hw_val = 12 }, 1542 { .pdiv = 20, .hw_val = 13 }, 1543 { .pdiv = 24, .hw_val = 14 }, 1544 { .pdiv = 30, .hw_val = 15 }, 1545 { .pdiv = 32, .hw_val = 16 }, 1546 }; 1547 1548 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv) 1549 { 1550 int i; 1551 1552 if (p) { 1553 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) { 1554 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) { 1555 if (pdiv) 1556 *pdiv = i; 1557 return pll_qlin_pdiv_to_hw[i].pdiv; 1558 } 1559 } 1560 } 1561 1562 return -EINVAL; 1563 } 1564 1565 #define PLL_EXPO_PDIV_MAX 7 1566 static const struct pdiv_map pll_expo_pdiv_to_hw[] = { 1567 { .pdiv = 1, .hw_val = 0 }, 1568 { .pdiv = 2, .hw_val = 1 }, 1569 { .pdiv = 4, .hw_val = 2 }, 1570 { .pdiv = 8, .hw_val = 3 }, 1571 { .pdiv = 16, .hw_val = 4 }, 1572 { .pdiv = 32, .hw_val = 5 }, 1573 { .pdiv = 64, .hw_val = 6 }, 1574 { .pdiv = 128, .hw_val = 7 }, 1575 }; 1576 1577 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv) 1578 { 1579 if (p) { 1580 u32 i = fls(p); 1581 1582 if (i == ffs(p)) 1583 i--; 1584 1585 if (i <= PLL_EXPO_PDIV_MAX) { 1586 if (pdiv) 1587 *pdiv = i; 1588 return 1 << i; 1589 } 1590 } 1591 return -EINVAL; 1592 } 1593 1594 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 1595 /* 1 GHz */ 1596 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */ 1597 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */ 1598 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */ 1599 { 0, 0, 0, 0, 0, 0 }, 1600 }; 1601 1602 static struct tegra_clk_pll_params pll_x_params = { 1603 .input_min = 12000000, 1604 .input_max = 800000000, 1605 .cf_min = 12000000, 1606 .cf_max = 38400000, 1607 .vco_min = 1350000000, 1608 .vco_max = 3000000000UL, 1609 .base_reg = PLLX_BASE, 1610 .misc_reg = PLLX_MISC0, 1611 .lock_mask = PLL_BASE_LOCK, 1612 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 1613 .lock_delay = 300, 1614 .ext_misc_reg[0] = PLLX_MISC0, 1615 .ext_misc_reg[1] = PLLX_MISC1, 1616 .ext_misc_reg[2] = PLLX_MISC2, 1617 .ext_misc_reg[3] = PLLX_MISC3, 1618 .ext_misc_reg[4] = PLLX_MISC4, 1619 .ext_misc_reg[5] = PLLX_MISC5, 1620 .iddq_reg = PLLX_MISC3, 1621 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1622 .max_p = PLL_QLIN_PDIV_MAX, 1623 .mdiv_default = 2, 1624 .dyn_ramp_reg = PLLX_MISC2, 1625 .stepa_shift = 16, 1626 .stepb_shift = 24, 1627 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1628 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1629 .div_nmp = &pllx_nmp, 1630 .freq_table = pll_x_freq_table, 1631 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1632 .dyn_ramp = tegra210_pllx_dyn_ramp, 1633 .set_defaults = tegra210_pllx_set_defaults, 1634 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1635 }; 1636 1637 static struct div_nmp pllc_nmp = { 1638 .divm_shift = 0, 1639 .divm_width = 8, 1640 .divn_shift = 10, 1641 .divn_width = 8, 1642 .divp_shift = 20, 1643 .divp_width = 5, 1644 }; 1645 1646 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { 1647 { 12000000, 510000000, 85, 1, 2, 0 }, 1648 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */ 1649 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */ 1650 { 0, 0, 0, 0, 0, 0 }, 1651 }; 1652 1653 static struct tegra_clk_pll_params pll_c_params = { 1654 .input_min = 12000000, 1655 .input_max = 700000000, 1656 .cf_min = 12000000, 1657 .cf_max = 50000000, 1658 .vco_min = 600000000, 1659 .vco_max = 1200000000, 1660 .base_reg = PLLC_BASE, 1661 .misc_reg = PLLC_MISC0, 1662 .lock_mask = PLL_BASE_LOCK, 1663 .lock_delay = 300, 1664 .iddq_reg = PLLC_MISC1, 1665 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1666 .reset_reg = PLLC_MISC0, 1667 .reset_bit_idx = PLLCX_RESET_BIT, 1668 .max_p = PLL_QLIN_PDIV_MAX, 1669 .ext_misc_reg[0] = PLLC_MISC0, 1670 .ext_misc_reg[1] = PLLC_MISC1, 1671 .ext_misc_reg[2] = PLLC_MISC2, 1672 .ext_misc_reg[3] = PLLC_MISC3, 1673 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1674 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1675 .mdiv_default = 3, 1676 .div_nmp = &pllc_nmp, 1677 .freq_table = pll_cx_freq_table, 1678 .flags = TEGRA_PLL_USE_LOCK, 1679 .set_defaults = _pllc_set_defaults, 1680 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1681 }; 1682 1683 static struct div_nmp pllcx_nmp = { 1684 .divm_shift = 0, 1685 .divm_width = 8, 1686 .divn_shift = 10, 1687 .divn_width = 8, 1688 .divp_shift = 20, 1689 .divp_width = 5, 1690 }; 1691 1692 static struct tegra_clk_pll_params pll_c2_params = { 1693 .input_min = 12000000, 1694 .input_max = 700000000, 1695 .cf_min = 12000000, 1696 .cf_max = 50000000, 1697 .vco_min = 600000000, 1698 .vco_max = 1200000000, 1699 .base_reg = PLLC2_BASE, 1700 .misc_reg = PLLC2_MISC0, 1701 .iddq_reg = PLLC2_MISC1, 1702 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1703 .reset_reg = PLLC2_MISC0, 1704 .reset_bit_idx = PLLCX_RESET_BIT, 1705 .lock_mask = PLLCX_BASE_LOCK, 1706 .lock_delay = 300, 1707 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1708 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1709 .mdiv_default = 3, 1710 .div_nmp = &pllcx_nmp, 1711 .max_p = PLL_QLIN_PDIV_MAX, 1712 .ext_misc_reg[0] = PLLC2_MISC0, 1713 .ext_misc_reg[1] = PLLC2_MISC1, 1714 .ext_misc_reg[2] = PLLC2_MISC2, 1715 .ext_misc_reg[3] = PLLC2_MISC3, 1716 .freq_table = pll_cx_freq_table, 1717 .flags = TEGRA_PLL_USE_LOCK, 1718 .set_defaults = _pllc2_set_defaults, 1719 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1720 }; 1721 1722 static struct tegra_clk_pll_params pll_c3_params = { 1723 .input_min = 12000000, 1724 .input_max = 700000000, 1725 .cf_min = 12000000, 1726 .cf_max = 50000000, 1727 .vco_min = 600000000, 1728 .vco_max = 1200000000, 1729 .base_reg = PLLC3_BASE, 1730 .misc_reg = PLLC3_MISC0, 1731 .lock_mask = PLLCX_BASE_LOCK, 1732 .lock_delay = 300, 1733 .iddq_reg = PLLC3_MISC1, 1734 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1735 .reset_reg = PLLC3_MISC0, 1736 .reset_bit_idx = PLLCX_RESET_BIT, 1737 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1738 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1739 .mdiv_default = 3, 1740 .div_nmp = &pllcx_nmp, 1741 .max_p = PLL_QLIN_PDIV_MAX, 1742 .ext_misc_reg[0] = PLLC3_MISC0, 1743 .ext_misc_reg[1] = PLLC3_MISC1, 1744 .ext_misc_reg[2] = PLLC3_MISC2, 1745 .ext_misc_reg[3] = PLLC3_MISC3, 1746 .freq_table = pll_cx_freq_table, 1747 .flags = TEGRA_PLL_USE_LOCK, 1748 .set_defaults = _pllc3_set_defaults, 1749 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1750 }; 1751 1752 static struct div_nmp pllss_nmp = { 1753 .divm_shift = 0, 1754 .divm_width = 8, 1755 .divn_shift = 8, 1756 .divn_width = 8, 1757 .divp_shift = 19, 1758 .divp_width = 5, 1759 }; 1760 1761 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = { 1762 { 12000000, 600000000, 50, 1, 1, 0 }, 1763 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */ 1764 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */ 1765 { 0, 0, 0, 0, 0, 0 }, 1766 }; 1767 1768 static const struct clk_div_table pll_vco_post_div_table[] = { 1769 { .val = 0, .div = 1 }, 1770 { .val = 1, .div = 2 }, 1771 { .val = 2, .div = 3 }, 1772 { .val = 3, .div = 4 }, 1773 { .val = 4, .div = 5 }, 1774 { .val = 5, .div = 6 }, 1775 { .val = 6, .div = 8 }, 1776 { .val = 7, .div = 10 }, 1777 { .val = 8, .div = 12 }, 1778 { .val = 9, .div = 16 }, 1779 { .val = 10, .div = 12 }, 1780 { .val = 11, .div = 16 }, 1781 { .val = 12, .div = 20 }, 1782 { .val = 13, .div = 24 }, 1783 { .val = 14, .div = 32 }, 1784 { .val = 0, .div = 0 }, 1785 }; 1786 1787 static struct tegra_clk_pll_params pll_c4_vco_params = { 1788 .input_min = 9600000, 1789 .input_max = 800000000, 1790 .cf_min = 9600000, 1791 .cf_max = 19200000, 1792 .vco_min = 500000000, 1793 .vco_max = 1080000000, 1794 .base_reg = PLLC4_BASE, 1795 .misc_reg = PLLC4_MISC0, 1796 .lock_mask = PLL_BASE_LOCK, 1797 .lock_delay = 300, 1798 .max_p = PLL_QLIN_PDIV_MAX, 1799 .ext_misc_reg[0] = PLLC4_MISC0, 1800 .iddq_reg = PLLC4_BASE, 1801 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1802 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1803 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1804 .mdiv_default = 3, 1805 .div_nmp = &pllss_nmp, 1806 .freq_table = pll_c4_vco_freq_table, 1807 .set_defaults = tegra210_pllc4_set_defaults, 1808 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1809 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1810 }; 1811 1812 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 1813 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */ 1814 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */ 1815 { 38400000, 297600000, 93, 4, 3, 0 }, 1816 { 38400000, 400000000, 125, 4, 3, 0 }, 1817 { 38400000, 532800000, 111, 4, 2, 0 }, 1818 { 38400000, 665600000, 104, 3, 2, 0 }, 1819 { 38400000, 800000000, 125, 3, 2, 0 }, 1820 { 38400000, 931200000, 97, 4, 1, 0 }, 1821 { 38400000, 1065600000, 111, 4, 1, 0 }, 1822 { 38400000, 1200000000, 125, 4, 1, 0 }, 1823 { 38400000, 1331200000, 104, 3, 1, 0 }, 1824 { 38400000, 1459200000, 76, 2, 1, 0 }, 1825 { 38400000, 1600000000, 125, 3, 1, 0 }, 1826 { 0, 0, 0, 0, 0, 0 }, 1827 }; 1828 1829 static struct div_nmp pllm_nmp = { 1830 .divm_shift = 0, 1831 .divm_width = 8, 1832 .override_divm_shift = 0, 1833 .divn_shift = 8, 1834 .divn_width = 8, 1835 .override_divn_shift = 8, 1836 .divp_shift = 20, 1837 .divp_width = 5, 1838 .override_divp_shift = 27, 1839 }; 1840 1841 static struct tegra_clk_pll_params pll_m_params = { 1842 .input_min = 9600000, 1843 .input_max = 500000000, 1844 .cf_min = 9600000, 1845 .cf_max = 19200000, 1846 .vco_min = 800000000, 1847 .vco_max = 1866000000, 1848 .base_reg = PLLM_BASE, 1849 .misc_reg = PLLM_MISC2, 1850 .lock_mask = PLL_BASE_LOCK, 1851 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE, 1852 .lock_delay = 300, 1853 .iddq_reg = PLLM_MISC2, 1854 .iddq_bit_idx = PLLM_IDDQ_BIT, 1855 .max_p = PLL_QLIN_PDIV_MAX, 1856 .ext_misc_reg[0] = PLLM_MISC2, 1857 .ext_misc_reg[1] = PLLM_MISC1, 1858 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1859 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1860 .div_nmp = &pllm_nmp, 1861 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 1862 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, 1863 .freq_table = pll_m_freq_table, 1864 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1865 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1866 }; 1867 1868 static struct tegra_clk_pll_params pll_mb_params = { 1869 .input_min = 9600000, 1870 .input_max = 500000000, 1871 .cf_min = 9600000, 1872 .cf_max = 19200000, 1873 .vco_min = 800000000, 1874 .vco_max = 1866000000, 1875 .base_reg = PLLMB_BASE, 1876 .misc_reg = PLLMB_MISC1, 1877 .lock_mask = PLL_BASE_LOCK, 1878 .lock_delay = 300, 1879 .iddq_reg = PLLMB_MISC1, 1880 .iddq_bit_idx = PLLMB_IDDQ_BIT, 1881 .max_p = PLL_QLIN_PDIV_MAX, 1882 .ext_misc_reg[0] = PLLMB_MISC1, 1883 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1884 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1885 .div_nmp = &pllm_nmp, 1886 .freq_table = pll_m_freq_table, 1887 .flags = TEGRA_PLL_USE_LOCK, 1888 .set_defaults = tegra210_pllmb_set_defaults, 1889 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1890 }; 1891 1892 1893 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 1894 /* PLLE special case: use cpcon field to store cml divider value */ 1895 { 672000000, 100000000, 125, 42, 0, 13 }, 1896 { 624000000, 100000000, 125, 39, 0, 13 }, 1897 { 336000000, 100000000, 125, 21, 0, 13 }, 1898 { 312000000, 100000000, 200, 26, 0, 14 }, 1899 { 38400000, 100000000, 125, 2, 0, 14 }, 1900 { 12000000, 100000000, 200, 1, 0, 14 }, 1901 { 0, 0, 0, 0, 0, 0 }, 1902 }; 1903 1904 static struct div_nmp plle_nmp = { 1905 .divm_shift = 0, 1906 .divm_width = 8, 1907 .divn_shift = 8, 1908 .divn_width = 8, 1909 .divp_shift = 24, 1910 .divp_width = 5, 1911 }; 1912 1913 static struct tegra_clk_pll_params pll_e_params = { 1914 .input_min = 12000000, 1915 .input_max = 800000000, 1916 .cf_min = 12000000, 1917 .cf_max = 38400000, 1918 .vco_min = 1600000000, 1919 .vco_max = 2500000000U, 1920 .base_reg = PLLE_BASE, 1921 .misc_reg = PLLE_MISC0, 1922 .aux_reg = PLLE_AUX, 1923 .lock_mask = PLLE_MISC_LOCK, 1924 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 1925 .lock_delay = 300, 1926 .div_nmp = &plle_nmp, 1927 .freq_table = pll_e_freq_table, 1928 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK | 1929 TEGRA_PLL_HAS_LOCK_ENABLE, 1930 .fixed_rate = 100000000, 1931 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1932 }; 1933 1934 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = { 1935 { 12000000, 672000000, 56, 1, 1, 0 }, 1936 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */ 1937 { 38400000, 672000000, 70, 4, 1, 0 }, 1938 { 0, 0, 0, 0, 0, 0 }, 1939 }; 1940 1941 static struct div_nmp pllre_nmp = { 1942 .divm_shift = 0, 1943 .divm_width = 8, 1944 .divn_shift = 8, 1945 .divn_width = 8, 1946 .divp_shift = 16, 1947 .divp_width = 5, 1948 }; 1949 1950 static struct tegra_clk_pll_params pll_re_vco_params = { 1951 .input_min = 9600000, 1952 .input_max = 800000000, 1953 .cf_min = 9600000, 1954 .cf_max = 19200000, 1955 .vco_min = 350000000, 1956 .vco_max = 700000000, 1957 .base_reg = PLLRE_BASE, 1958 .misc_reg = PLLRE_MISC0, 1959 .lock_mask = PLLRE_MISC_LOCK, 1960 .lock_delay = 300, 1961 .max_p = PLL_QLIN_PDIV_MAX, 1962 .ext_misc_reg[0] = PLLRE_MISC0, 1963 .iddq_reg = PLLRE_MISC0, 1964 .iddq_bit_idx = PLLRE_IDDQ_BIT, 1965 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1966 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1967 .div_nmp = &pllre_nmp, 1968 .freq_table = pll_re_vco_freq_table, 1969 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT, 1970 .set_defaults = tegra210_pllre_set_defaults, 1971 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1972 }; 1973 1974 static struct div_nmp pllp_nmp = { 1975 .divm_shift = 0, 1976 .divm_width = 8, 1977 .divn_shift = 10, 1978 .divn_width = 8, 1979 .divp_shift = 20, 1980 .divp_width = 5, 1981 }; 1982 1983 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 1984 { 12000000, 408000000, 34, 1, 1, 0 }, 1985 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */ 1986 { 0, 0, 0, 0, 0, 0 }, 1987 }; 1988 1989 static struct tegra_clk_pll_params pll_p_params = { 1990 .input_min = 9600000, 1991 .input_max = 800000000, 1992 .cf_min = 9600000, 1993 .cf_max = 19200000, 1994 .vco_min = 350000000, 1995 .vco_max = 700000000, 1996 .base_reg = PLLP_BASE, 1997 .misc_reg = PLLP_MISC0, 1998 .lock_mask = PLL_BASE_LOCK, 1999 .lock_delay = 300, 2000 .iddq_reg = PLLP_MISC0, 2001 .iddq_bit_idx = PLLXP_IDDQ_BIT, 2002 .ext_misc_reg[0] = PLLP_MISC0, 2003 .ext_misc_reg[1] = PLLP_MISC1, 2004 .div_nmp = &pllp_nmp, 2005 .freq_table = pll_p_freq_table, 2006 .fixed_rate = 408000000, 2007 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2008 .set_defaults = tegra210_pllp_set_defaults, 2009 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2010 }; 2011 2012 static struct tegra_clk_pll_params pll_a1_params = { 2013 .input_min = 12000000, 2014 .input_max = 700000000, 2015 .cf_min = 12000000, 2016 .cf_max = 50000000, 2017 .vco_min = 600000000, 2018 .vco_max = 1200000000, 2019 .base_reg = PLLA1_BASE, 2020 .misc_reg = PLLA1_MISC0, 2021 .lock_mask = PLLCX_BASE_LOCK, 2022 .lock_delay = 300, 2023 .iddq_reg = PLLA1_MISC1, 2024 .iddq_bit_idx = PLLCX_IDDQ_BIT, 2025 .reset_reg = PLLA1_MISC0, 2026 .reset_bit_idx = PLLCX_RESET_BIT, 2027 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2028 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2029 .div_nmp = &pllc_nmp, 2030 .ext_misc_reg[0] = PLLA1_MISC0, 2031 .ext_misc_reg[1] = PLLA1_MISC1, 2032 .ext_misc_reg[2] = PLLA1_MISC2, 2033 .ext_misc_reg[3] = PLLA1_MISC3, 2034 .freq_table = pll_cx_freq_table, 2035 .flags = TEGRA_PLL_USE_LOCK, 2036 .set_defaults = _plla1_set_defaults, 2037 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2038 }; 2039 2040 static struct div_nmp plla_nmp = { 2041 .divm_shift = 0, 2042 .divm_width = 8, 2043 .divn_shift = 8, 2044 .divn_width = 8, 2045 .divp_shift = 20, 2046 .divp_width = 5, 2047 }; 2048 2049 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 2050 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */ 2051 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */ 2052 { 12000000, 240000000, 60, 1, 3, 1, 0 }, 2053 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */ 2054 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */ 2055 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */ 2056 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */ 2057 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */ 2058 { 38400000, 240000000, 75, 3, 3, 1, 0 }, 2059 { 0, 0, 0, 0, 0, 0, 0 }, 2060 }; 2061 2062 static struct tegra_clk_pll_params pll_a_params = { 2063 .input_min = 12000000, 2064 .input_max = 800000000, 2065 .cf_min = 12000000, 2066 .cf_max = 19200000, 2067 .vco_min = 500000000, 2068 .vco_max = 1000000000, 2069 .base_reg = PLLA_BASE, 2070 .misc_reg = PLLA_MISC0, 2071 .lock_mask = PLL_BASE_LOCK, 2072 .lock_delay = 300, 2073 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2074 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2075 .iddq_reg = PLLA_BASE, 2076 .iddq_bit_idx = PLLA_IDDQ_BIT, 2077 .div_nmp = &plla_nmp, 2078 .sdm_din_reg = PLLA_MISC1, 2079 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2080 .sdm_ctrl_reg = PLLA_MISC2, 2081 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK, 2082 .ext_misc_reg[0] = PLLA_MISC0, 2083 .ext_misc_reg[1] = PLLA_MISC1, 2084 .ext_misc_reg[2] = PLLA_MISC2, 2085 .freq_table = pll_a_freq_table, 2086 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW, 2087 .set_defaults = tegra210_plla_set_defaults, 2088 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2089 .set_gain = tegra210_clk_pll_set_gain, 2090 .adjust_vco = tegra210_clk_adjust_vco_min, 2091 }; 2092 2093 static struct div_nmp plld_nmp = { 2094 .divm_shift = 0, 2095 .divm_width = 8, 2096 .divn_shift = 11, 2097 .divn_width = 8, 2098 .divp_shift = 20, 2099 .divp_width = 3, 2100 }; 2101 2102 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 2103 { 12000000, 594000000, 99, 1, 2, 0, 0 }, 2104 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2105 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2106 { 0, 0, 0, 0, 0, 0, 0 }, 2107 }; 2108 2109 static struct tegra_clk_pll_params pll_d_params = { 2110 .input_min = 12000000, 2111 .input_max = 800000000, 2112 .cf_min = 12000000, 2113 .cf_max = 38400000, 2114 .vco_min = 750000000, 2115 .vco_max = 1500000000, 2116 .base_reg = PLLD_BASE, 2117 .misc_reg = PLLD_MISC0, 2118 .lock_mask = PLL_BASE_LOCK, 2119 .lock_delay = 1000, 2120 .iddq_reg = PLLD_MISC0, 2121 .iddq_bit_idx = PLLD_IDDQ_BIT, 2122 .round_p_to_pdiv = pll_expo_p_to_pdiv, 2123 .pdiv_tohw = pll_expo_pdiv_to_hw, 2124 .div_nmp = &plld_nmp, 2125 .sdm_din_reg = PLLD_MISC0, 2126 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2127 .sdm_ctrl_reg = PLLD_MISC0, 2128 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK, 2129 .ext_misc_reg[0] = PLLD_MISC0, 2130 .ext_misc_reg[1] = PLLD_MISC1, 2131 .freq_table = pll_d_freq_table, 2132 .flags = TEGRA_PLL_USE_LOCK, 2133 .mdiv_default = 1, 2134 .set_defaults = tegra210_plld_set_defaults, 2135 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2136 .set_gain = tegra210_clk_pll_set_gain, 2137 .adjust_vco = tegra210_clk_adjust_vco_min, 2138 }; 2139 2140 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = { 2141 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 }, 2142 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2143 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2144 { 0, 0, 0, 0, 0, 0, 0 }, 2145 }; 2146 2147 /* s/w policy, always tegra_pll_ref */ 2148 static struct tegra_clk_pll_params pll_d2_params = { 2149 .input_min = 12000000, 2150 .input_max = 800000000, 2151 .cf_min = 12000000, 2152 .cf_max = 38400000, 2153 .vco_min = 750000000, 2154 .vco_max = 1500000000, 2155 .base_reg = PLLD2_BASE, 2156 .misc_reg = PLLD2_MISC0, 2157 .lock_mask = PLL_BASE_LOCK, 2158 .lock_delay = 300, 2159 .iddq_reg = PLLD2_BASE, 2160 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2161 .sdm_din_reg = PLLD2_MISC3, 2162 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2163 .sdm_ctrl_reg = PLLD2_MISC1, 2164 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK, 2165 /* disable spread-spectrum for pll_d2 */ 2166 .ssc_ctrl_reg = 0, 2167 .ssc_ctrl_en_mask = 0, 2168 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2169 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2170 .div_nmp = &pllss_nmp, 2171 .ext_misc_reg[0] = PLLD2_MISC0, 2172 .ext_misc_reg[1] = PLLD2_MISC1, 2173 .ext_misc_reg[2] = PLLD2_MISC2, 2174 .ext_misc_reg[3] = PLLD2_MISC3, 2175 .max_p = PLL_QLIN_PDIV_MAX, 2176 .mdiv_default = 1, 2177 .freq_table = tegra210_pll_d2_freq_table, 2178 .set_defaults = tegra210_plld2_set_defaults, 2179 .flags = TEGRA_PLL_USE_LOCK, 2180 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2181 .set_gain = tegra210_clk_pll_set_gain, 2182 .adjust_vco = tegra210_clk_adjust_vco_min, 2183 }; 2184 2185 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = { 2186 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 }, 2187 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */ 2188 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 }, 2189 { 0, 0, 0, 0, 0, 0, 0 }, 2190 }; 2191 2192 static struct tegra_clk_pll_params pll_dp_params = { 2193 .input_min = 12000000, 2194 .input_max = 800000000, 2195 .cf_min = 12000000, 2196 .cf_max = 38400000, 2197 .vco_min = 750000000, 2198 .vco_max = 1500000000, 2199 .base_reg = PLLDP_BASE, 2200 .misc_reg = PLLDP_MISC, 2201 .lock_mask = PLL_BASE_LOCK, 2202 .lock_delay = 300, 2203 .iddq_reg = PLLDP_BASE, 2204 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2205 .sdm_din_reg = PLLDP_SS_CTRL2, 2206 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2207 .sdm_ctrl_reg = PLLDP_SS_CFG, 2208 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK, 2209 .ssc_ctrl_reg = PLLDP_SS_CFG, 2210 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK, 2211 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2212 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2213 .div_nmp = &pllss_nmp, 2214 .ext_misc_reg[0] = PLLDP_MISC, 2215 .ext_misc_reg[1] = PLLDP_SS_CFG, 2216 .ext_misc_reg[2] = PLLDP_SS_CTRL1, 2217 .ext_misc_reg[3] = PLLDP_SS_CTRL2, 2218 .max_p = PLL_QLIN_PDIV_MAX, 2219 .mdiv_default = 1, 2220 .freq_table = pll_dp_freq_table, 2221 .set_defaults = tegra210_plldp_set_defaults, 2222 .flags = TEGRA_PLL_USE_LOCK, 2223 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2224 .set_gain = tegra210_clk_pll_set_gain, 2225 .adjust_vco = tegra210_clk_adjust_vco_min, 2226 }; 2227 2228 static struct div_nmp pllu_nmp = { 2229 .divm_shift = 0, 2230 .divm_width = 8, 2231 .divn_shift = 8, 2232 .divn_width = 8, 2233 .divp_shift = 16, 2234 .divp_width = 5, 2235 }; 2236 2237 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 2238 { 12000000, 480000000, 40, 1, 1, 0 }, 2239 { 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */ 2240 { 38400000, 480000000, 25, 2, 1, 0 }, 2241 { 0, 0, 0, 0, 0, 0 }, 2242 }; 2243 2244 static struct tegra_clk_pll_params pll_u_vco_params = { 2245 .input_min = 9600000, 2246 .input_max = 800000000, 2247 .cf_min = 9600000, 2248 .cf_max = 19200000, 2249 .vco_min = 350000000, 2250 .vco_max = 700000000, 2251 .base_reg = PLLU_BASE, 2252 .misc_reg = PLLU_MISC0, 2253 .lock_mask = PLL_BASE_LOCK, 2254 .lock_delay = 1000, 2255 .iddq_reg = PLLU_MISC0, 2256 .iddq_bit_idx = PLLU_IDDQ_BIT, 2257 .ext_misc_reg[0] = PLLU_MISC0, 2258 .ext_misc_reg[1] = PLLU_MISC1, 2259 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2260 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2261 .div_nmp = &pllu_nmp, 2262 .freq_table = pll_u_freq_table, 2263 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2264 }; 2265 2266 struct utmi_clk_param { 2267 /* Oscillator Frequency in KHz */ 2268 u32 osc_frequency; 2269 /* UTMIP PLL Enable Delay Count */ 2270 u8 enable_delay_count; 2271 /* UTMIP PLL Stable count */ 2272 u16 stable_count; 2273 /* UTMIP PLL Active delay count */ 2274 u8 active_delay_count; 2275 /* UTMIP PLL Xtal frequency count */ 2276 u16 xtal_freq_count; 2277 }; 2278 2279 static const struct utmi_clk_param utmi_parameters[] = { 2280 { 2281 .osc_frequency = 38400000, .enable_delay_count = 0x0, 2282 .stable_count = 0x0, .active_delay_count = 0x6, 2283 .xtal_freq_count = 0x80 2284 }, { 2285 .osc_frequency = 13000000, .enable_delay_count = 0x02, 2286 .stable_count = 0x33, .active_delay_count = 0x05, 2287 .xtal_freq_count = 0x7f 2288 }, { 2289 .osc_frequency = 19200000, .enable_delay_count = 0x03, 2290 .stable_count = 0x4b, .active_delay_count = 0x06, 2291 .xtal_freq_count = 0xbb 2292 }, { 2293 .osc_frequency = 12000000, .enable_delay_count = 0x02, 2294 .stable_count = 0x2f, .active_delay_count = 0x08, 2295 .xtal_freq_count = 0x76 2296 }, { 2297 .osc_frequency = 26000000, .enable_delay_count = 0x04, 2298 .stable_count = 0x66, .active_delay_count = 0x09, 2299 .xtal_freq_count = 0xfe 2300 }, { 2301 .osc_frequency = 16800000, .enable_delay_count = 0x03, 2302 .stable_count = 0x41, .active_delay_count = 0x0a, 2303 .xtal_freq_count = 0xa4 2304 }, 2305 }; 2306 2307 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { 2308 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true }, 2309 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, 2310 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, 2311 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, 2312 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, 2313 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, 2314 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, 2315 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, 2316 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, 2317 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, 2318 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true }, 2319 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true }, 2320 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true }, 2321 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true }, 2322 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true }, 2323 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true }, 2324 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true }, 2325 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true }, 2326 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true }, 2327 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true }, 2328 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true }, 2329 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true }, 2330 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true }, 2331 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true }, 2332 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true }, 2333 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true }, 2334 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true }, 2335 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true }, 2336 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true }, 2337 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true }, 2338 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true }, 2339 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true }, 2340 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true }, 2341 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true }, 2342 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true }, 2343 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true }, 2344 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true }, 2345 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true }, 2346 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true }, 2347 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true }, 2348 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true }, 2349 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true }, 2350 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true }, 2351 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true }, 2352 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true }, 2353 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true }, 2354 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true }, 2355 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true }, 2356 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true }, 2357 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true }, 2358 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true }, 2359 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true }, 2360 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true }, 2361 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true }, 2362 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true }, 2363 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true }, 2364 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true }, 2365 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true }, 2366 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true }, 2367 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true }, 2368 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true }, 2369 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true }, 2370 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true }, 2371 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true }, 2372 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true }, 2373 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true }, 2374 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true }, 2375 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true }, 2376 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true }, 2377 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true }, 2378 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true }, 2379 [tegra_clk_sor0_out] = { .dt_id = TEGRA210_CLK_SOR0_OUT, .present = true }, 2380 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true }, 2381 [tegra_clk_sor1_out] = { .dt_id = TEGRA210_CLK_SOR1_OUT, .present = true }, 2382 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true }, 2383 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, }, 2384 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true }, 2385 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true }, 2386 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true }, 2387 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true }, 2388 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true }, 2389 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true }, 2390 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true }, 2391 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true }, 2392 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true }, 2393 [tegra_clk_osc] = { .dt_id = TEGRA210_CLK_OSC, .present = true }, 2394 [tegra_clk_osc_div2] = { .dt_id = TEGRA210_CLK_OSC_DIV2, .present = true }, 2395 [tegra_clk_osc_div4] = { .dt_id = TEGRA210_CLK_OSC_DIV4, .present = true }, 2396 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true }, 2397 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true }, 2398 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true }, 2399 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true }, 2400 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true }, 2401 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true }, 2402 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true }, 2403 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true }, 2404 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true }, 2405 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true }, 2406 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true }, 2407 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true }, 2408 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true }, 2409 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true }, 2410 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true }, 2411 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true }, 2412 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true }, 2413 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true }, 2414 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true }, 2415 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true }, 2416 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true }, 2417 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true }, 2418 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true }, 2419 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true }, 2420 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true }, 2421 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true }, 2422 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true }, 2423 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true }, 2424 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true }, 2425 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true }, 2426 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true }, 2427 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true }, 2428 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true }, 2429 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true }, 2430 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true }, 2431 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true }, 2432 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true }, 2433 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true }, 2434 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true }, 2435 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true }, 2436 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true }, 2437 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true }, 2438 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true }, 2439 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true }, 2440 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true }, 2441 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true }, 2442 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true }, 2443 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true }, 2444 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true }, 2445 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true }, 2446 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true }, 2447 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true }, 2448 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true }, 2449 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true }, 2450 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true }, 2451 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true }, 2452 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true }, 2453 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true }, 2454 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true }, 2455 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true }, 2456 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true }, 2457 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true }, 2458 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true }, 2459 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true }, 2460 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true }, 2461 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true }, 2462 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true }, 2463 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true }, 2464 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true }, 2465 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true }, 2466 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true }, 2467 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true }, 2468 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true }, 2469 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true }, 2470 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true }, 2471 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true }, 2472 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true }, 2473 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true }, 2474 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true }, 2475 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true }, 2476 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true }, 2477 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true }, 2478 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true }, 2479 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true }, 2480 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true }, 2481 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true }, 2482 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true }, 2483 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true }, 2484 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true }, 2485 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true }, 2486 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true }, 2487 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true }, 2488 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true }, 2489 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true }, 2490 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true }, 2491 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true }, 2492 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true }, 2493 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true }, 2494 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true }, 2495 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true }, 2496 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true }, 2497 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true }, 2498 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true }, 2499 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true }, 2500 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true }, 2501 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true }, 2502 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true }, 2503 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true }, 2504 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true }, 2505 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true }, 2506 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true }, 2507 }; 2508 2509 static struct tegra_devclk devclks[] __initdata = { 2510 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M }, 2511 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF }, 2512 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K }, 2513 { .con_id = "osc", .dt_id = TEGRA210_CLK_OSC }, 2514 { .con_id = "osc_div2", .dt_id = TEGRA210_CLK_OSC_DIV2 }, 2515 { .con_id = "osc_div4", .dt_id = TEGRA210_CLK_OSC_DIV4 }, 2516 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C }, 2517 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 }, 2518 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 }, 2519 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 }, 2520 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P }, 2521 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 }, 2522 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 }, 2523 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 }, 2524 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 }, 2525 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M }, 2526 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X }, 2527 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 }, 2528 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U }, 2529 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT }, 2530 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 }, 2531 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 }, 2532 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M }, 2533 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M }, 2534 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M }, 2535 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D }, 2536 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 }, 2537 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 }, 2538 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 }, 2539 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A }, 2540 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 }, 2541 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO }, 2542 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT }, 2543 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC }, 2544 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC }, 2545 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC }, 2546 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC }, 2547 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC }, 2548 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC }, 2549 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC }, 2550 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 }, 2551 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 }, 2552 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 }, 2553 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 }, 2554 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 }, 2555 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF }, 2556 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X }, 2557 { .con_id = "extern1", .dt_id = TEGRA210_CLK_EXTERN1 }, 2558 { .con_id = "extern2", .dt_id = TEGRA210_CLK_EXTERN2 }, 2559 { .con_id = "extern3", .dt_id = TEGRA210_CLK_EXTERN3 }, 2560 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G }, 2561 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP }, 2562 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK }, 2563 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK }, 2564 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK }, 2565 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE }, 2566 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC }, 2567 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER }, 2568 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 }, 2569 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 }, 2570 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 }, 2571 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 }, 2572 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX }, 2573 }; 2574 2575 static struct tegra_audio_clk_info tegra210_audio_plls[] = { 2576 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" }, 2577 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" }, 2578 }; 2579 2580 static const char * const aclk_parents[] = { 2581 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3", 2582 "clk_m" 2583 }; 2584 2585 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC }; 2586 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG }; 2587 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X, 2588 TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 }; 2589 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA, 2590 TEGRA210_CLK_HOST1X}; 2591 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2592 TEGRA210_CLK_XUSB_DEV }; 2593 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2594 TEGRA210_CLK_XUSB_SS }; 2595 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV, 2596 TEGRA210_CLK_XUSB_SS }; 2597 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X, 2598 TEGRA210_CLK_PLL_D }; 2599 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK, 2600 TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2, 2601 TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT, 2602 TEGRA210_CLK_D_AUDIO }; 2603 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X }; 2604 2605 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = { 2606 [TEGRA_POWERGATE_VENC] = { 2607 .handle_lvl2_ovr = tegra210_venc_mbist_war, 2608 .num_clks = ARRAY_SIZE(venc_slcg_clkids), 2609 .clk_init_data = venc_slcg_clkids, 2610 }, 2611 [TEGRA_POWERGATE_SATA] = { 2612 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2613 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2614 .lvl2_mask = BIT(0) | BIT(17) | BIT(19), 2615 }, 2616 [TEGRA_POWERGATE_MPE] = { 2617 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2618 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2619 .lvl2_mask = BIT(29), 2620 }, 2621 [TEGRA_POWERGATE_SOR] = { 2622 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2623 .num_clks = ARRAY_SIZE(sor_slcg_clkids), 2624 .clk_init_data = sor_slcg_clkids, 2625 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2626 .lvl2_mask = BIT(1) | BIT(2), 2627 }, 2628 [TEGRA_POWERGATE_DIS] = { 2629 .handle_lvl2_ovr = tegra210_disp_mbist_war, 2630 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2631 .clk_init_data = disp_slcg_clkids, 2632 }, 2633 [TEGRA_POWERGATE_DISB] = { 2634 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2635 .clk_init_data = disp_slcg_clkids, 2636 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2637 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2638 .lvl2_mask = BIT(2), 2639 }, 2640 [TEGRA_POWERGATE_XUSBA] = { 2641 .num_clks = ARRAY_SIZE(xusba_slcg_clkids), 2642 .clk_init_data = xusba_slcg_clkids, 2643 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2644 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2645 .lvl2_mask = BIT(30) | BIT(31), 2646 }, 2647 [TEGRA_POWERGATE_XUSBB] = { 2648 .num_clks = ARRAY_SIZE(xusbb_slcg_clkids), 2649 .clk_init_data = xusbb_slcg_clkids, 2650 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2651 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2652 .lvl2_mask = BIT(30) | BIT(31), 2653 }, 2654 [TEGRA_POWERGATE_XUSBC] = { 2655 .num_clks = ARRAY_SIZE(xusbc_slcg_clkids), 2656 .clk_init_data = xusbc_slcg_clkids, 2657 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2658 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2659 .lvl2_mask = BIT(30) | BIT(31), 2660 }, 2661 [TEGRA_POWERGATE_VIC] = { 2662 .num_clks = ARRAY_SIZE(vic_slcg_clkids), 2663 .clk_init_data = vic_slcg_clkids, 2664 .handle_lvl2_ovr = tegra210_vic_mbist_war, 2665 }, 2666 [TEGRA_POWERGATE_NVDEC] = { 2667 .num_clks = ARRAY_SIZE(nvdec_slcg_clkids), 2668 .clk_init_data = nvdec_slcg_clkids, 2669 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2670 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2671 .lvl2_mask = BIT(9) | BIT(31), 2672 }, 2673 [TEGRA_POWERGATE_NVJPG] = { 2674 .num_clks = ARRAY_SIZE(nvjpg_slcg_clkids), 2675 .clk_init_data = nvjpg_slcg_clkids, 2676 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2677 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2678 .lvl2_mask = BIT(9) | BIT(31), 2679 }, 2680 [TEGRA_POWERGATE_AUD] = { 2681 .num_clks = ARRAY_SIZE(ape_slcg_clkids), 2682 .clk_init_data = ape_slcg_clkids, 2683 .handle_lvl2_ovr = tegra210_ape_mbist_war, 2684 }, 2685 [TEGRA_POWERGATE_VE2] = { 2686 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2687 .lvl2_offset = LVL2_CLK_GATE_OVRD, 2688 .lvl2_mask = BIT(22), 2689 }, 2690 }; 2691 2692 int tegra210_clk_handle_mbist_war(unsigned int id) 2693 { 2694 int err; 2695 struct tegra210_domain_mbist_war *mbist_war; 2696 2697 if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) { 2698 WARN(1, "unknown domain id in MBIST WAR handler\n"); 2699 return -EINVAL; 2700 } 2701 2702 mbist_war = &tegra210_pg_mbist_war[id]; 2703 if (!mbist_war->handle_lvl2_ovr) 2704 return 0; 2705 2706 if (mbist_war->num_clks && !mbist_war->clks) 2707 return -ENODEV; 2708 2709 err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks); 2710 if (err < 0) 2711 return err; 2712 2713 mutex_lock(&lvl2_ovr_lock); 2714 2715 mbist_war->handle_lvl2_ovr(mbist_war); 2716 2717 mutex_unlock(&lvl2_ovr_lock); 2718 2719 clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks); 2720 2721 return 0; 2722 } 2723 2724 void tegra210_put_utmipll_in_iddq(void) 2725 { 2726 u32 reg; 2727 2728 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2729 2730 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) { 2731 pr_err("trying to assert IDDQ while UTMIPLL is locked\n"); 2732 return; 2733 } 2734 2735 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2736 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2737 } 2738 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq); 2739 2740 void tegra210_put_utmipll_out_iddq(void) 2741 { 2742 u32 reg; 2743 2744 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2745 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2746 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2747 } 2748 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq); 2749 2750 static void tegra210_utmi_param_configure(void) 2751 { 2752 u32 reg; 2753 int i; 2754 2755 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 2756 if (osc_freq == utmi_parameters[i].osc_frequency) 2757 break; 2758 } 2759 2760 if (i >= ARRAY_SIZE(utmi_parameters)) { 2761 pr_err("%s: Unexpected oscillator freq %lu\n", __func__, 2762 osc_freq); 2763 return; 2764 } 2765 2766 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2767 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2768 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2769 2770 udelay(10); 2771 2772 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2773 2774 /* Program UTMIP PLL stable and active counts */ 2775 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ 2776 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 2777 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count); 2778 2779 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 2780 reg |= 2781 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count); 2782 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2783 2784 /* Program UTMIP PLL delay and oscillator frequency counts */ 2785 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2786 2787 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 2788 reg |= 2789 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count); 2790 2791 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 2792 reg |= 2793 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count); 2794 2795 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 2796 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2797 2798 /* Remove power downs from UTMIP PLL control bits */ 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 udelay(20); 2805 2806 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */ 2807 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2808 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP; 2809 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP; 2810 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP; 2811 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 2812 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 2813 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN; 2814 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2815 2816 /* Setup HW control of UTMIPLL */ 2817 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2818 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2819 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2820 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2821 2822 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2823 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET; 2824 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL; 2825 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2826 2827 udelay(1); 2828 2829 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2830 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY; 2831 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2832 2833 udelay(1); 2834 2835 /* Enable HW control UTMIPLL */ 2836 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2837 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE; 2838 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2839 } 2840 2841 static int tegra210_enable_pllu(void) 2842 { 2843 struct tegra_clk_pll_freq_table *fentry; 2844 struct tegra_clk_pll pllu; 2845 u32 reg; 2846 int ret; 2847 2848 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) { 2849 if (fentry->input_rate == pll_ref_freq) 2850 break; 2851 } 2852 2853 if (!fentry->input_rate) { 2854 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq); 2855 return -EINVAL; 2856 } 2857 2858 /* clear IDDQ bit */ 2859 pllu.params = &pll_u_vco_params; 2860 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]); 2861 reg &= ~BIT(pllu.params->iddq_bit_idx); 2862 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]); 2863 fence_udelay(5, clk_base); 2864 2865 reg = readl_relaxed(clk_base + PLLU_BASE); 2866 reg &= ~GENMASK(20, 0); 2867 reg |= fentry->m; 2868 reg |= fentry->n << 8; 2869 reg |= fentry->p << 16; 2870 writel(reg, clk_base + PLLU_BASE); 2871 fence_udelay(1, clk_base); 2872 reg |= PLL_ENABLE; 2873 writel(reg, clk_base + PLLU_BASE); 2874 2875 /* 2876 * During clocks resume, same PLLU init and enable sequence get 2877 * executed. So, readx_poll_timeout_atomic can't be used here as it 2878 * uses ktime_get() and timekeeping resume doesn't happen by that 2879 * time. So, using tegra210_wait_for_mask for PLL LOCK. 2880 */ 2881 ret = tegra210_wait_for_mask(&pllu, PLLU_BASE, PLL_BASE_LOCK); 2882 if (ret) { 2883 pr_err("Timed out waiting for PLL_U to lock\n"); 2884 return -ETIMEDOUT; 2885 } 2886 2887 return 0; 2888 } 2889 2890 static int tegra210_init_pllu(void) 2891 { 2892 u32 reg; 2893 int err; 2894 2895 tegra210_pllu_set_defaults(&pll_u_vco_params); 2896 /* skip initialization when pllu is in hw controlled mode */ 2897 reg = readl_relaxed(clk_base + PLLU_BASE); 2898 if (reg & PLLU_BASE_OVERRIDE) { 2899 if (!(reg & PLL_ENABLE)) { 2900 err = tegra210_enable_pllu(); 2901 if (err < 0) { 2902 WARN_ON(1); 2903 return err; 2904 } 2905 } 2906 /* enable hw controlled mode */ 2907 reg = readl_relaxed(clk_base + PLLU_BASE); 2908 reg &= ~PLLU_BASE_OVERRIDE; 2909 writel(reg, clk_base + PLLU_BASE); 2910 2911 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2912 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE | 2913 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT | 2914 PLLU_HW_PWRDN_CFG0_USE_LOCKDET; 2915 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL | 2916 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL); 2917 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2918 2919 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2920 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK; 2921 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2922 fence_udelay(1, clk_base); 2923 2924 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2925 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE; 2926 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2927 fence_udelay(1, clk_base); 2928 2929 reg = readl_relaxed(clk_base + PLLU_BASE); 2930 reg &= ~PLLU_BASE_CLKENABLE_USB; 2931 writel_relaxed(reg, clk_base + PLLU_BASE); 2932 } 2933 2934 /* enable UTMIPLL hw control if not yet done by the bootloader */ 2935 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2936 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE)) 2937 tegra210_utmi_param_configure(); 2938 2939 return 0; 2940 } 2941 2942 /* 2943 * The SOR hardware blocks are driven by two clocks: a module clock that is 2944 * used to access registers and a pixel clock that is sourced from the same 2945 * pixel clock that also drives the head attached to the SOR. The module 2946 * clock is typically called sorX (with X being the SOR instance) and the 2947 * pixel clock is called sorX_out. The source for the SOR pixel clock is 2948 * referred to as the "parent" clock. 2949 * 2950 * On Tegra186 and newer, clocks are provided by the BPMP. Unfortunately the 2951 * BPMP implementation for the SOR clocks doesn't exactly match the above in 2952 * some aspects. For example, the SOR module is really clocked by the pad or 2953 * sor_safe clocks, but BPMP models the sorX clock as being sourced by the 2954 * pixel clocks. Conversely the sorX_out clock is sourced by the sor_safe or 2955 * pad clocks on BPMP. 2956 * 2957 * In order to allow the display driver to deal with all SoC generations in 2958 * a unified way, implement the BPMP semantics in this driver. 2959 */ 2960 2961 static const char * const sor0_parents[] = { 2962 "pll_d_out0", 2963 }; 2964 2965 static const char * const sor0_out_parents[] = { 2966 "sor_safe", "sor0_pad_clkout", 2967 }; 2968 2969 static const char * const sor1_parents[] = { 2970 "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m", 2971 }; 2972 2973 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 }; 2974 2975 static const struct clk_div_table mc_div_table_tegra210[] = { 2976 { .val = 0, .div = 2 }, 2977 { .val = 1, .div = 4 }, 2978 { .val = 2, .div = 1 }, 2979 { .val = 3, .div = 2 }, 2980 { .val = 0, .div = 0 }, 2981 }; 2982 2983 static void tegra210_clk_register_mc(const char *name, 2984 const char *parent_name) 2985 { 2986 struct clk *clk; 2987 2988 clk = clk_register_divider_table(NULL, name, parent_name, 2989 CLK_IS_CRITICAL, 2990 clk_base + CLK_SOURCE_EMC, 2991 15, 2, CLK_DIVIDER_READ_ONLY, 2992 mc_div_table_tegra210, &emc_lock); 2993 clks[TEGRA210_CLK_MC] = clk; 2994 } 2995 2996 static const char * const sor1_out_parents[] = { 2997 /* 2998 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so 2999 * the sor1_pad_clkout parent appears twice in the list below. This is 3000 * merely to support clk_get_parent() if firmware happened to set 3001 * these bits to 0b11. While not an invalid setting, code should 3002 * always set the bits to 0b01 to select sor1_pad_clkout. 3003 */ 3004 "sor_safe", "sor1_pad_clkout", "sor1_out", "sor1_pad_clkout", 3005 }; 3006 3007 static struct tegra_periph_init_data tegra210_periph[] = { 3008 /* 3009 * On Tegra210, the sor0 clock doesn't have a mux it bitfield 31:29, 3010 * but it is hardwired to the pll_d_out0 clock. 3011 */ 3012 TEGRA_INIT_DATA_TABLE("sor0", NULL, NULL, sor0_parents, 3013 CLK_SOURCE_SOR0, 29, 0x0, 0, 0, 0, 0, 3014 0, 182, 0, tegra_clk_sor0, NULL, 0, 3015 &sor0_lock), 3016 TEGRA_INIT_DATA_TABLE("sor0_out", NULL, NULL, sor0_out_parents, 3017 CLK_SOURCE_SOR0, 14, 0x1, 0, 0, 0, 0, 3018 0, 0, TEGRA_PERIPH_NO_GATE, tegra_clk_sor0_out, 3019 NULL, 0, &sor0_lock), 3020 TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents, 3021 CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1, 3022 TEGRA_DIVIDER_ROUND_UP, 183, 0, 3023 tegra_clk_sor1, sor1_parents_idx, 0, 3024 &sor1_lock), 3025 TEGRA_INIT_DATA_TABLE("sor1_out", NULL, NULL, sor1_out_parents, 3026 CLK_SOURCE_SOR1, 14, 0x3, 0, 0, 0, 0, 3027 0, 0, TEGRA_PERIPH_NO_GATE, 3028 tegra_clk_sor1_out, NULL, 0, &sor1_lock), 3029 }; 3030 3031 static const char * const la_parents[] = { 3032 "pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0" 3033 }; 3034 3035 static struct tegra_clk_periph tegra210_la = 3036 TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, NULL); 3037 3038 static __init void tegra210_periph_clk_init(struct device_node *np, 3039 void __iomem *clk_base, 3040 void __iomem *pmc_base) 3041 { 3042 struct clk *clk; 3043 unsigned int i; 3044 3045 /* xusb_ss_div2 */ 3046 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, 3047 1, 2); 3048 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk; 3049 3050 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base, 3051 1, 17, 222); 3052 clks[TEGRA210_CLK_SOR_SAFE] = clk; 3053 3054 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base, 3055 1, 17, 181); 3056 clks[TEGRA210_CLK_DPAUX] = clk; 3057 3058 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base, 3059 1, 17, 207); 3060 clks[TEGRA210_CLK_DPAUX1] = clk; 3061 3062 /* pll_d_dsi_out */ 3063 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, 3064 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); 3065 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk; 3066 3067 /* dsia */ 3068 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0, 3069 clk_base, 0, 48, 3070 periph_clk_enb_refcnt); 3071 clks[TEGRA210_CLK_DSIA] = clk; 3072 3073 /* dsib */ 3074 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0, 3075 clk_base, 0, 82, 3076 periph_clk_enb_refcnt); 3077 clks[TEGRA210_CLK_DSIB] = clk; 3078 3079 /* csi_tpg */ 3080 clk = clk_register_gate(NULL, "csi_tpg", "pll_d", 3081 CLK_SET_RATE_PARENT, clk_base + PLLD_BASE, 3082 23, 0, &pll_d_lock); 3083 clk_register_clkdev(clk, "csi_tpg", NULL); 3084 clks[TEGRA210_CLK_CSI_TPG] = clk; 3085 3086 /* la */ 3087 clk = tegra_clk_register_periph("la", la_parents, 3088 ARRAY_SIZE(la_parents), &tegra210_la, clk_base, 3089 CLK_SOURCE_LA, 0); 3090 clks[TEGRA210_CLK_LA] = clk; 3091 3092 /* cml0 */ 3093 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 3094 0, 0, &pll_e_lock); 3095 clk_register_clkdev(clk, "cml0", NULL); 3096 clks[TEGRA210_CLK_CML0] = clk; 3097 3098 /* cml1 */ 3099 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 3100 1, 0, &pll_e_lock); 3101 clk_register_clkdev(clk, "cml1", NULL); 3102 clks[TEGRA210_CLK_CML1] = clk; 3103 3104 clk = tegra_clk_register_super_clk("aclk", aclk_parents, 3105 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0, 3106 0, NULL); 3107 clks[TEGRA210_CLK_ACLK] = clk; 3108 3109 clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base, 3110 CLK_SOURCE_SDMMC2, 9, 3111 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3112 clks[TEGRA210_CLK_SDMMC2] = clk; 3113 3114 clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base, 3115 CLK_SOURCE_SDMMC4, 15, 3116 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3117 clks[TEGRA210_CLK_SDMMC4] = clk; 3118 3119 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) { 3120 struct tegra_periph_init_data *init = &tegra210_periph[i]; 3121 struct clk **clkp; 3122 3123 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks); 3124 if (!clkp) { 3125 pr_warn("clock %u not found\n", init->clk_id); 3126 continue; 3127 } 3128 3129 clk = tegra_clk_register_periph_data(clk_base, init); 3130 *clkp = clk; 3131 } 3132 3133 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); 3134 3135 /* emc */ 3136 clk = tegra210_clk_register_emc(np, clk_base); 3137 clks[TEGRA210_CLK_EMC] = clk; 3138 3139 /* mc */ 3140 tegra210_clk_register_mc("mc", "emc"); 3141 } 3142 3143 static void __init tegra210_pll_init(void __iomem *clk_base, 3144 void __iomem *pmc) 3145 { 3146 struct clk *clk; 3147 3148 /* PLLC */ 3149 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base, 3150 pmc, 0, &pll_c_params, NULL); 3151 if (!WARN_ON(IS_ERR(clk))) 3152 clk_register_clkdev(clk, "pll_c", NULL); 3153 clks[TEGRA210_CLK_PLL_C] = clk; 3154 3155 /* PLLC_OUT1 */ 3156 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 3157 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3158 8, 8, 1, NULL); 3159 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 3160 clk_base + PLLC_OUT, 1, 0, 3161 CLK_SET_RATE_PARENT, 0, NULL); 3162 clk_register_clkdev(clk, "pll_c_out1", NULL); 3163 clks[TEGRA210_CLK_PLL_C_OUT1] = clk; 3164 3165 /* PLLC_UD */ 3166 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c", 3167 CLK_SET_RATE_PARENT, 1, 1); 3168 clk_register_clkdev(clk, "pll_c_ud", NULL); 3169 clks[TEGRA210_CLK_PLL_C_UD] = clk; 3170 3171 /* PLLC2 */ 3172 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base, 3173 pmc, 0, &pll_c2_params, NULL); 3174 clk_register_clkdev(clk, "pll_c2", NULL); 3175 clks[TEGRA210_CLK_PLL_C2] = clk; 3176 3177 /* PLLC3 */ 3178 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base, 3179 pmc, 0, &pll_c3_params, NULL); 3180 clk_register_clkdev(clk, "pll_c3", NULL); 3181 clks[TEGRA210_CLK_PLL_C3] = clk; 3182 3183 /* PLLM */ 3184 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc, 3185 CLK_SET_RATE_GATE, &pll_m_params, NULL); 3186 clk_register_clkdev(clk, "pll_m", NULL); 3187 clks[TEGRA210_CLK_PLL_M] = clk; 3188 3189 /* PLLMB */ 3190 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc, 3191 CLK_SET_RATE_GATE, &pll_mb_params, NULL); 3192 clk_register_clkdev(clk, "pll_mb", NULL); 3193 clks[TEGRA210_CLK_PLL_MB] = clk; 3194 3195 /* PLLM_UD */ 3196 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", 3197 CLK_SET_RATE_PARENT, 1, 1); 3198 clk_register_clkdev(clk, "pll_m_ud", NULL); 3199 clks[TEGRA210_CLK_PLL_M_UD] = clk; 3200 3201 /* PLLMB_UD */ 3202 clk = clk_register_fixed_factor(NULL, "pll_mb_ud", "pll_mb", 3203 CLK_SET_RATE_PARENT, 1, 1); 3204 clk_register_clkdev(clk, "pll_mb_ud", NULL); 3205 clks[TEGRA210_CLK_PLL_MB_UD] = clk; 3206 3207 /* PLLP_UD */ 3208 clk = clk_register_fixed_factor(NULL, "pll_p_ud", "pll_p", 3209 0, 1, 1); 3210 clks[TEGRA210_CLK_PLL_P_UD] = clk; 3211 3212 /* PLLU_VCO */ 3213 if (!tegra210_init_pllu()) { 3214 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0, 3215 480*1000*1000); 3216 clk_register_clkdev(clk, "pll_u_vco", NULL); 3217 clks[TEGRA210_CLK_PLL_U] = clk; 3218 } 3219 3220 /* PLLU_OUT */ 3221 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0, 3222 clk_base + PLLU_BASE, 16, 4, 0, 3223 pll_vco_post_div_table, NULL); 3224 clk_register_clkdev(clk, "pll_u_out", NULL); 3225 clks[TEGRA210_CLK_PLL_U_OUT] = clk; 3226 3227 /* PLLU_OUT1 */ 3228 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out", 3229 clk_base + PLLU_OUTA, 0, 3230 TEGRA_DIVIDER_ROUND_UP, 3231 8, 8, 1, &pll_u_lock); 3232 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div", 3233 clk_base + PLLU_OUTA, 1, 0, 3234 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3235 clk_register_clkdev(clk, "pll_u_out1", NULL); 3236 clks[TEGRA210_CLK_PLL_U_OUT1] = clk; 3237 3238 /* PLLU_OUT2 */ 3239 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out", 3240 clk_base + PLLU_OUTA, 0, 3241 TEGRA_DIVIDER_ROUND_UP, 3242 24, 8, 1, &pll_u_lock); 3243 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div", 3244 clk_base + PLLU_OUTA, 17, 16, 3245 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3246 clk_register_clkdev(clk, "pll_u_out2", NULL); 3247 clks[TEGRA210_CLK_PLL_U_OUT2] = clk; 3248 3249 /* PLLU_480M */ 3250 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco", 3251 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3252 22, 0, &pll_u_lock); 3253 clk_register_clkdev(clk, "pll_u_480M", NULL); 3254 clks[TEGRA210_CLK_PLL_U_480M] = clk; 3255 3256 /* PLLU_60M */ 3257 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2", 3258 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3259 23, 0, &pll_u_lock); 3260 clk_register_clkdev(clk, "pll_u_60M", NULL); 3261 clks[TEGRA210_CLK_PLL_U_60M] = clk; 3262 3263 /* PLLU_48M */ 3264 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1", 3265 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3266 25, 0, &pll_u_lock); 3267 clk_register_clkdev(clk, "pll_u_48M", NULL); 3268 clks[TEGRA210_CLK_PLL_U_48M] = clk; 3269 3270 /* PLLD */ 3271 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, 3272 &pll_d_params, &pll_d_lock); 3273 clk_register_clkdev(clk, "pll_d", NULL); 3274 clks[TEGRA210_CLK_PLL_D] = clk; 3275 3276 /* PLLD_OUT0 */ 3277 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 3278 CLK_SET_RATE_PARENT, 1, 2); 3279 clk_register_clkdev(clk, "pll_d_out0", NULL); 3280 clks[TEGRA210_CLK_PLL_D_OUT0] = clk; 3281 3282 /* PLLRE */ 3283 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref", 3284 clk_base, pmc, 0, 3285 &pll_re_vco_params, 3286 &pll_re_lock, pll_ref_freq); 3287 clk_register_clkdev(clk, "pll_re_vco", NULL); 3288 clks[TEGRA210_CLK_PLL_RE_VCO] = clk; 3289 3290 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, 3291 clk_base + PLLRE_BASE, 16, 5, 0, 3292 pll_vco_post_div_table, &pll_re_lock); 3293 clk_register_clkdev(clk, "pll_re_out", NULL); 3294 clks[TEGRA210_CLK_PLL_RE_OUT] = clk; 3295 3296 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco", 3297 clk_base + PLLRE_OUT1, 0, 3298 TEGRA_DIVIDER_ROUND_UP, 3299 8, 8, 1, NULL); 3300 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div", 3301 clk_base + PLLRE_OUT1, 1, 0, 3302 CLK_SET_RATE_PARENT, 0, NULL); 3303 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk; 3304 3305 /* PLLE */ 3306 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref", 3307 clk_base, 0, &pll_e_params, NULL); 3308 clk_register_clkdev(clk, "pll_e", NULL); 3309 clks[TEGRA210_CLK_PLL_E] = clk; 3310 3311 /* PLLC4 */ 3312 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc, 3313 0, &pll_c4_vco_params, NULL, pll_ref_freq); 3314 clk_register_clkdev(clk, "pll_c4_vco", NULL); 3315 clks[TEGRA210_CLK_PLL_C4] = clk; 3316 3317 /* PLLC4_OUT0 */ 3318 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0, 3319 clk_base + PLLC4_BASE, 19, 4, 0, 3320 pll_vco_post_div_table, NULL); 3321 clk_register_clkdev(clk, "pll_c4_out0", NULL); 3322 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk; 3323 3324 /* PLLC4_OUT1 */ 3325 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco", 3326 CLK_SET_RATE_PARENT, 1, 3); 3327 clk_register_clkdev(clk, "pll_c4_out1", NULL); 3328 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk; 3329 3330 /* PLLC4_OUT2 */ 3331 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco", 3332 CLK_SET_RATE_PARENT, 1, 5); 3333 clk_register_clkdev(clk, "pll_c4_out2", NULL); 3334 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk; 3335 3336 /* PLLC4_OUT3 */ 3337 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0", 3338 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3339 8, 8, 1, NULL); 3340 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div", 3341 clk_base + PLLC4_OUT, 1, 0, 3342 CLK_SET_RATE_PARENT, 0, NULL); 3343 clk_register_clkdev(clk, "pll_c4_out3", NULL); 3344 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk; 3345 3346 /* PLLDP */ 3347 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base, 3348 0, &pll_dp_params, NULL); 3349 clk_register_clkdev(clk, "pll_dp", NULL); 3350 clks[TEGRA210_CLK_PLL_DP] = clk; 3351 3352 /* PLLD2 */ 3353 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base, 3354 0, &pll_d2_params, NULL); 3355 clk_register_clkdev(clk, "pll_d2", NULL); 3356 clks[TEGRA210_CLK_PLL_D2] = clk; 3357 3358 /* PLLD2_OUT0 */ 3359 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 3360 CLK_SET_RATE_PARENT, 1, 1); 3361 clk_register_clkdev(clk, "pll_d2_out0", NULL); 3362 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk; 3363 3364 /* PLLP_OUT2 */ 3365 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p", 3366 CLK_SET_RATE_PARENT, 1, 2); 3367 clk_register_clkdev(clk, "pll_p_out2", NULL); 3368 clks[TEGRA210_CLK_PLL_P_OUT2] = clk; 3369 3370 } 3371 3372 /* Tegra210 CPU clock and reset control functions */ 3373 static void tegra210_wait_cpu_in_reset(u32 cpu) 3374 { 3375 unsigned int reg; 3376 3377 do { 3378 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 3379 cpu_relax(); 3380 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 3381 } 3382 3383 static void tegra210_disable_cpu_clock(u32 cpu) 3384 { 3385 /* flow controller would take care in the power sequence. */ 3386 } 3387 3388 #ifdef CONFIG_PM_SLEEP 3389 #define car_readl(_base, _off) readl_relaxed(clk_base + (_base) + ((_off) * 4)) 3390 #define car_writel(_val, _base, _off) \ 3391 writel_relaxed(_val, clk_base + (_base) + ((_off) * 4)) 3392 3393 static u32 spare_reg_ctx, misc_clk_enb_ctx, clk_msk_arm_ctx; 3394 static u32 cpu_softrst_ctx[3]; 3395 3396 static int tegra210_clk_suspend(void) 3397 { 3398 unsigned int i; 3399 3400 clk_save_context(); 3401 3402 /* 3403 * Save the bootloader configured clock registers SPARE_REG0, 3404 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL. 3405 */ 3406 spare_reg_ctx = readl_relaxed(clk_base + SPARE_REG0); 3407 misc_clk_enb_ctx = readl_relaxed(clk_base + MISC_CLK_ENB); 3408 clk_msk_arm_ctx = readl_relaxed(clk_base + CLK_MASK_ARM); 3409 3410 for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++) 3411 cpu_softrst_ctx[i] = car_readl(CPU_SOFTRST_CTRL, i); 3412 3413 tegra_clk_periph_suspend(); 3414 return 0; 3415 } 3416 3417 static void tegra210_clk_resume(void) 3418 { 3419 unsigned int i; 3420 3421 tegra_clk_osc_resume(clk_base); 3422 3423 /* 3424 * Restore the bootloader configured clock registers SPARE_REG0, 3425 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL from saved context. 3426 */ 3427 writel_relaxed(spare_reg_ctx, clk_base + SPARE_REG0); 3428 writel_relaxed(misc_clk_enb_ctx, clk_base + MISC_CLK_ENB); 3429 writel_relaxed(clk_msk_arm_ctx, clk_base + CLK_MASK_ARM); 3430 3431 for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++) 3432 car_writel(cpu_softrst_ctx[i], CPU_SOFTRST_CTRL, i); 3433 3434 /* 3435 * Tegra clock programming sequence recommends peripheral clock to 3436 * be enabled prior to changing its clock source and divider to 3437 * prevent glitchless frequency switch. 3438 * So, enable all peripheral clocks before restoring their source 3439 * and dividers. 3440 */ 3441 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_L, clk_base + CLK_OUT_ENB_L); 3442 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_H, clk_base + CLK_OUT_ENB_H); 3443 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_U, clk_base + CLK_OUT_ENB_U); 3444 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_V, clk_base + CLK_OUT_ENB_V); 3445 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_W, clk_base + CLK_OUT_ENB_W); 3446 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_X, clk_base + CLK_OUT_ENB_X); 3447 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_Y, clk_base + CLK_OUT_ENB_Y); 3448 3449 /* wait for all writes to happen to have all the clocks enabled */ 3450 fence_udelay(2, clk_base); 3451 3452 /* restore PLLs and all peripheral clock rates */ 3453 tegra210_init_pllu(); 3454 clk_restore_context(); 3455 3456 /* restore saved context of peripheral clocks and reset state */ 3457 tegra_clk_periph_resume(); 3458 } 3459 3460 static void tegra210_cpu_clock_suspend(void) 3461 { 3462 /* switch coresite to clk_m, save off original source */ 3463 tegra210_cpu_clk_sctx.clk_csite_src = 3464 readl(clk_base + CLK_SOURCE_CSITE); 3465 writel(3 << 30, clk_base + CLK_SOURCE_CSITE); 3466 } 3467 3468 static void tegra210_cpu_clock_resume(void) 3469 { 3470 writel(tegra210_cpu_clk_sctx.clk_csite_src, 3471 clk_base + CLK_SOURCE_CSITE); 3472 } 3473 #endif 3474 3475 static struct syscore_ops tegra_clk_syscore_ops = { 3476 #ifdef CONFIG_PM_SLEEP 3477 .suspend = tegra210_clk_suspend, 3478 .resume = tegra210_clk_resume, 3479 #endif 3480 }; 3481 3482 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = { 3483 .wait_for_reset = tegra210_wait_cpu_in_reset, 3484 .disable_clock = tegra210_disable_cpu_clock, 3485 #ifdef CONFIG_PM_SLEEP 3486 .suspend = tegra210_cpu_clock_suspend, 3487 .resume = tegra210_cpu_clock_resume, 3488 #endif 3489 }; 3490 3491 static const struct of_device_id pmc_match[] __initconst = { 3492 { .compatible = "nvidia,tegra210-pmc" }, 3493 { }, 3494 }; 3495 3496 static struct tegra_clk_init_table init_table[] __initdata = { 3497 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3498 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3499 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3500 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3501 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 0 }, 3502 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 0 }, 3503 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3504 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3505 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3506 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3507 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3508 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 }, 3509 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 }, 3510 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 }, 3511 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3512 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3513 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, 3514 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, 3515 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3516 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, 3517 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, 3518 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3519 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3520 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 }, 3521 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3522 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3523 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 }, 3524 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 }, 3525 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3526 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3527 /* TODO find a way to enable this on-demand */ 3528 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3529 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 }, 3530 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 }, 3531 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 }, 3532 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 }, 3533 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 }, 3534 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 }, 3535 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 }, 3536 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 }, 3537 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3538 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3539 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, 3540 { TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3541 { TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3542 { TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3543 { TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3544 { TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3545 { TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3546 { TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3547 { TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3548 { TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 }, 3549 /* This MUST be the last entry. */ 3550 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 }, 3551 }; 3552 3553 /** 3554 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs 3555 * 3556 * Program an initial clock rate and enable or disable clocks needed 3557 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be 3558 * called by assigning a pointer to it to tegra_clk_apply_init_table - 3559 * this will be called as an arch_initcall. No return value. 3560 */ 3561 static void __init tegra210_clock_apply_init_table(void) 3562 { 3563 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX); 3564 } 3565 3566 /** 3567 * tegra210_car_barrier - wait for pending writes to the CAR to complete 3568 * 3569 * Wait for any outstanding writes to the CAR MMIO space from this CPU 3570 * to complete before continuing execution. No return value. 3571 */ 3572 static void tegra210_car_barrier(void) 3573 { 3574 readl_relaxed(clk_base + RST_DFLL_DVCO); 3575 } 3576 3577 /** 3578 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset 3579 * 3580 * Assert the reset line of the DFLL's DVCO. No return value. 3581 */ 3582 static void tegra210_clock_assert_dfll_dvco_reset(void) 3583 { 3584 u32 v; 3585 3586 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3587 v |= (1 << DVFS_DFLL_RESET_SHIFT); 3588 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3589 tegra210_car_barrier(); 3590 } 3591 3592 /** 3593 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset 3594 * 3595 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to 3596 * operate. No return value. 3597 */ 3598 static void tegra210_clock_deassert_dfll_dvco_reset(void) 3599 { 3600 u32 v; 3601 3602 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3603 v &= ~(1 << DVFS_DFLL_RESET_SHIFT); 3604 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3605 tegra210_car_barrier(); 3606 } 3607 3608 static int tegra210_reset_assert(unsigned long id) 3609 { 3610 if (id == TEGRA210_RST_DFLL_DVCO) 3611 tegra210_clock_assert_dfll_dvco_reset(); 3612 else if (id == TEGRA210_RST_ADSP) 3613 writel(GENMASK(26, 21) | BIT(7), 3614 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET); 3615 else 3616 return -EINVAL; 3617 3618 return 0; 3619 } 3620 3621 static int tegra210_reset_deassert(unsigned long id) 3622 { 3623 if (id == TEGRA210_RST_DFLL_DVCO) 3624 tegra210_clock_deassert_dfll_dvco_reset(); 3625 else if (id == TEGRA210_RST_ADSP) { 3626 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3627 /* 3628 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz) 3629 * a delay of 5us ensures that it's at least 3630 * 6 * adsp_cpu_cycle_period long. 3631 */ 3632 udelay(5); 3633 writel(GENMASK(26, 22) | BIT(7), 3634 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3635 } else 3636 return -EINVAL; 3637 3638 return 0; 3639 } 3640 3641 static void tegra210_mbist_clk_init(void) 3642 { 3643 unsigned int i, j; 3644 3645 for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) { 3646 unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks; 3647 struct clk_bulk_data *clk_data; 3648 3649 if (!num_clks) 3650 continue; 3651 3652 clk_data = kmalloc_array(num_clks, sizeof(*clk_data), 3653 GFP_KERNEL); 3654 if (WARN_ON(!clk_data)) 3655 return; 3656 3657 tegra210_pg_mbist_war[i].clks = clk_data; 3658 for (j = 0; j < num_clks; j++) { 3659 int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j]; 3660 struct clk *clk = clks[clk_id]; 3661 3662 if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) { 3663 kfree(clk_data); 3664 tegra210_pg_mbist_war[i].clks = NULL; 3665 break; 3666 } 3667 clk_data[j].clk = clk; 3668 } 3669 } 3670 } 3671 3672 /** 3673 * tegra210_clock_init - Tegra210-specific clock initialization 3674 * @np: struct device_node * of the DT node for the SoC CAR IP block 3675 * 3676 * Register most SoC clocks for the Tegra210 system-on-chip. Intended 3677 * to be called by the OF init code when a DT node with the 3678 * "nvidia,tegra210-car" string is encountered, and declared with 3679 * CLK_OF_DECLARE. No return value. 3680 */ 3681 static void __init tegra210_clock_init(struct device_node *np) 3682 { 3683 struct device_node *node; 3684 u32 value, clk_m_div; 3685 3686 clk_base = of_iomap(np, 0); 3687 if (!clk_base) { 3688 pr_err("ioremap tegra210 CAR failed\n"); 3689 return; 3690 } 3691 3692 node = of_find_matching_node(NULL, pmc_match); 3693 if (!node) { 3694 pr_err("Failed to find pmc node\n"); 3695 WARN_ON(1); 3696 return; 3697 } 3698 3699 pmc_base = of_iomap(node, 0); 3700 if (!pmc_base) { 3701 pr_err("Can't map pmc registers\n"); 3702 WARN_ON(1); 3703 return; 3704 } 3705 3706 ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K); 3707 if (!ahub_base) { 3708 pr_err("ioremap tegra210 APE failed\n"); 3709 return; 3710 } 3711 3712 dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K); 3713 if (!dispa_base) { 3714 pr_err("ioremap tegra210 DISPA failed\n"); 3715 return; 3716 } 3717 3718 vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K); 3719 if (!vic_base) { 3720 pr_err("ioremap tegra210 VIC failed\n"); 3721 return; 3722 } 3723 3724 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX, 3725 TEGRA210_CAR_BANK_COUNT); 3726 if (!clks) 3727 return; 3728 3729 value = readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT; 3730 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1; 3731 3732 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq, 3733 ARRAY_SIZE(tegra210_input_freq), clk_m_div, 3734 &osc_freq, &pll_ref_freq) < 0) 3735 return; 3736 3737 tegra_fixed_clk_init(tegra210_clks); 3738 tegra210_pll_init(clk_base, pmc_base); 3739 tegra210_periph_clk_init(np, clk_base, pmc_base); 3740 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, 3741 tegra210_audio_plls, 3742 ARRAY_SIZE(tegra210_audio_plls), 24576000); 3743 3744 /* For Tegra210, PLLD is the only source for DSIA & DSIB */ 3745 value = readl(clk_base + PLLD_BASE); 3746 value &= ~BIT(25); 3747 writel(value, clk_base + PLLD_BASE); 3748 3749 tegra_clk_apply_init_table = tegra210_clock_apply_init_table; 3750 3751 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks, 3752 &pll_x_params); 3753 tegra_init_special_resets(2, tegra210_reset_assert, 3754 tegra210_reset_deassert); 3755 3756 tegra_add_of_provider(np, of_clk_src_onecell_get); 3757 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 3758 3759 tegra210_mbist_clk_init(); 3760 3761 tegra_cpu_car_ops = &tegra210_cpu_car_ops; 3762 3763 register_syscore_ops(&tegra_clk_syscore_ops); 3764 } 3765 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init); 3766