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 41 #define PLLC_BASE 0x80 42 #define PLLC_OUT 0x84 43 #define PLLC_MISC0 0x88 44 #define PLLC_MISC1 0x8c 45 #define PLLC_MISC2 0x5d0 46 #define PLLC_MISC3 0x5d4 47 48 #define PLLC2_BASE 0x4e8 49 #define PLLC2_MISC0 0x4ec 50 #define PLLC2_MISC1 0x4f0 51 #define PLLC2_MISC2 0x4f4 52 #define PLLC2_MISC3 0x4f8 53 54 #define PLLC3_BASE 0x4fc 55 #define PLLC3_MISC0 0x500 56 #define PLLC3_MISC1 0x504 57 #define PLLC3_MISC2 0x508 58 #define PLLC3_MISC3 0x50c 59 60 #define PLLM_BASE 0x90 61 #define PLLM_MISC1 0x98 62 #define PLLM_MISC2 0x9c 63 #define PLLP_BASE 0xa0 64 #define PLLP_MISC0 0xac 65 #define PLLP_MISC1 0x680 66 #define PLLA_BASE 0xb0 67 #define PLLA_MISC0 0xbc 68 #define PLLA_MISC1 0xb8 69 #define PLLA_MISC2 0x5d8 70 #define PLLD_BASE 0xd0 71 #define PLLD_MISC0 0xdc 72 #define PLLD_MISC1 0xd8 73 #define PLLU_BASE 0xc0 74 #define PLLU_OUTA 0xc4 75 #define PLLU_MISC0 0xcc 76 #define PLLU_MISC1 0xc8 77 #define PLLX_BASE 0xe0 78 #define PLLX_MISC0 0xe4 79 #define PLLX_MISC1 0x510 80 #define PLLX_MISC2 0x514 81 #define PLLX_MISC3 0x518 82 #define PLLX_MISC4 0x5f0 83 #define PLLX_MISC5 0x5f4 84 #define PLLE_BASE 0xe8 85 #define PLLE_MISC0 0xec 86 #define PLLD2_BASE 0x4b8 87 #define PLLD2_MISC0 0x4bc 88 #define PLLD2_MISC1 0x570 89 #define PLLD2_MISC2 0x574 90 #define PLLD2_MISC3 0x578 91 #define PLLE_AUX 0x48c 92 #define PLLRE_BASE 0x4c4 93 #define PLLRE_MISC0 0x4c8 94 #define PLLRE_OUT1 0x4cc 95 #define PLLDP_BASE 0x590 96 #define PLLDP_MISC 0x594 97 98 #define PLLC4_BASE 0x5a4 99 #define PLLC4_MISC0 0x5a8 100 #define PLLC4_OUT 0x5e4 101 #define PLLMB_BASE 0x5e8 102 #define PLLMB_MISC1 0x5ec 103 #define PLLA1_BASE 0x6a4 104 #define PLLA1_MISC0 0x6a8 105 #define PLLA1_MISC1 0x6ac 106 #define PLLA1_MISC2 0x6b0 107 #define PLLA1_MISC3 0x6b4 108 109 #define PLLU_IDDQ_BIT 31 110 #define PLLCX_IDDQ_BIT 27 111 #define PLLRE_IDDQ_BIT 24 112 #define PLLA_IDDQ_BIT 25 113 #define PLLD_IDDQ_BIT 20 114 #define PLLSS_IDDQ_BIT 18 115 #define PLLM_IDDQ_BIT 5 116 #define PLLMB_IDDQ_BIT 17 117 #define PLLXP_IDDQ_BIT 3 118 119 #define PLLCX_RESET_BIT 30 120 121 #define PLL_BASE_LOCK BIT(27) 122 #define PLLCX_BASE_LOCK BIT(26) 123 #define PLLE_MISC_LOCK BIT(11) 124 #define PLLRE_MISC_LOCK BIT(27) 125 126 #define PLL_MISC_LOCK_ENABLE 18 127 #define PLLC_MISC_LOCK_ENABLE 24 128 #define PLLDU_MISC_LOCK_ENABLE 22 129 #define PLLU_MISC_LOCK_ENABLE 29 130 #define PLLE_MISC_LOCK_ENABLE 9 131 #define PLLRE_MISC_LOCK_ENABLE 30 132 #define PLLSS_MISC_LOCK_ENABLE 30 133 #define PLLP_MISC_LOCK_ENABLE 18 134 #define PLLM_MISC_LOCK_ENABLE 4 135 #define PLLMB_MISC_LOCK_ENABLE 16 136 #define PLLA_MISC_LOCK_ENABLE 28 137 #define PLLU_MISC_LOCK_ENABLE 29 138 #define PLLD_MISC_LOCK_ENABLE 18 139 140 #define PLLA_SDM_DIN_MASK 0xffff 141 #define PLLA_SDM_EN_MASK BIT(26) 142 143 #define PLLD_SDM_EN_MASK BIT(16) 144 145 #define PLLD2_SDM_EN_MASK BIT(31) 146 #define PLLD2_SSC_EN_MASK 0 147 148 #define PLLDP_SS_CFG 0x598 149 #define PLLDP_SDM_EN_MASK BIT(31) 150 #define PLLDP_SSC_EN_MASK BIT(30) 151 #define PLLDP_SS_CTRL1 0x59c 152 #define PLLDP_SS_CTRL2 0x5a0 153 154 #define PMC_PLLM_WB0_OVERRIDE 0x1dc 155 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0 156 157 #define UTMIP_PLL_CFG2 0x488 158 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6) 159 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) 160 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) 161 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1) 162 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) 163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3) 164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) 165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5) 166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24) 167 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25) 168 169 #define UTMIP_PLL_CFG1 0x484 170 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) 171 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) 172 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17) 173 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) 174 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15) 175 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) 176 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) 177 178 #define SATA_PLL_CFG0 0x490 179 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 180 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2) 181 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4) 182 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5) 183 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6) 184 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7) 185 186 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 187 #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24) 188 189 #define XUSBIO_PLL_CFG0 0x51c 190 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0) 191 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2) 192 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6) 193 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13) 194 #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24) 195 196 #define UTMIPLL_HW_PWRDN_CFG0 0x52c 197 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31) 198 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25) 199 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 200 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7) 201 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 202 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5) 203 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4) 204 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 205 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1) 206 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0) 207 208 #define PLLU_HW_PWRDN_CFG0 0x530 209 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28) 210 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24) 211 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7) 212 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6) 213 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2) 214 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0) 215 216 #define XUSB_PLL_CFG0 0x534 217 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff 218 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14) 219 220 #define SPARE_REG0 0x55c 221 #define CLK_M_DIVISOR_SHIFT 2 222 #define CLK_M_DIVISOR_MASK 0x3 223 224 #define CLK_MASK_ARM 0x44 225 #define MISC_CLK_ENB 0x48 226 227 #define RST_DFLL_DVCO 0x2f4 228 #define DVFS_DFLL_RESET_SHIFT 0 229 230 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8 231 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac 232 #define CPU_SOFTRST_CTRL 0x380 233 234 #define LVL2_CLK_GATE_OVRA 0xf8 235 #define LVL2_CLK_GATE_OVRC 0x3a0 236 #define LVL2_CLK_GATE_OVRD 0x3a4 237 #define LVL2_CLK_GATE_OVRE 0x554 238 239 /* I2S registers to handle during APE MBIST WAR */ 240 #define TEGRA210_I2S_BASE 0x1000 241 #define TEGRA210_I2S_SIZE 0x100 242 #define TEGRA210_I2S_CTRLS 5 243 #define TEGRA210_I2S_CG 0x88 244 #define TEGRA210_I2S_CTRL 0xa0 245 246 /* DISPA registers to handle during MBIST WAR */ 247 #define DC_CMD_DISPLAY_COMMAND 0xc8 248 #define DC_COM_DSC_TOP_CTL 0xcf8 249 250 /* VIC register to handle during MBIST WAR */ 251 #define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c 252 253 /* APE, DISPA and VIC base addesses needed for MBIST WAR */ 254 #define TEGRA210_AHUB_BASE 0x702d0000 255 #define TEGRA210_DISPA_BASE 0x54200000 256 #define TEGRA210_VIC_BASE 0x54340000 257 258 /* 259 * SDM fractional divisor is 16-bit 2's complement signed number within 260 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned 261 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to 262 * indicate that SDM is disabled. 263 * 264 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13 265 */ 266 #define PLL_SDM_COEFF BIT(13) 267 #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU)) 268 #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat) 269 /* This macro returns ndiv effective scaled to SDM range */ 270 #define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \ 271 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0)) 272 273 /* Tegra CPU clock and reset control regs */ 274 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 275 276 #ifdef CONFIG_PM_SLEEP 277 static struct cpu_clk_suspend_context { 278 u32 clk_csite_src; 279 } tegra210_cpu_clk_sctx; 280 #endif 281 282 struct tegra210_domain_mbist_war { 283 void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist); 284 const u32 lvl2_offset; 285 const u32 lvl2_mask; 286 const unsigned int num_clks; 287 const unsigned int *clk_init_data; 288 struct clk_bulk_data *clks; 289 }; 290 291 static struct clk **clks; 292 293 static void __iomem *clk_base; 294 static void __iomem *pmc_base; 295 static void __iomem *ahub_base; 296 static void __iomem *dispa_base; 297 static void __iomem *vic_base; 298 299 static unsigned long osc_freq; 300 static unsigned long pll_ref_freq; 301 302 static DEFINE_SPINLOCK(pll_d_lock); 303 static DEFINE_SPINLOCK(pll_e_lock); 304 static DEFINE_SPINLOCK(pll_re_lock); 305 static DEFINE_SPINLOCK(pll_u_lock); 306 static DEFINE_SPINLOCK(sor0_lock); 307 static DEFINE_SPINLOCK(sor1_lock); 308 static DEFINE_SPINLOCK(emc_lock); 309 static DEFINE_MUTEX(lvl2_ovr_lock); 310 311 /* possible OSC frequencies in Hz */ 312 static unsigned long tegra210_input_freq[] = { 313 [5] = 38400000, 314 [8] = 12000000, 315 }; 316 317 static const char *mux_pllmcp_clkm[] = { 318 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb", 319 "pll_p", 320 }; 321 #define mux_pllmcp_clkm_idx NULL 322 323 #define PLL_ENABLE (1 << 30) 324 325 #define PLLCX_MISC1_IDDQ (1 << 27) 326 #define PLLCX_MISC0_RESET (1 << 30) 327 328 #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000 329 #define PLLCX_MISC0_WRITE_MASK 0x400ffffb 330 #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000 331 #define PLLCX_MISC1_WRITE_MASK 0x08003cff 332 #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05 333 #define PLLCX_MISC2_WRITE_MASK 0xffffff17 334 #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4 335 #define PLLCX_MISC3_WRITE_MASK 0x00ffffff 336 337 /* PLLA */ 338 #define PLLA_BASE_IDDQ (1 << 25) 339 #define PLLA_BASE_LOCK (1 << 27) 340 341 #define PLLA_MISC0_LOCK_ENABLE (1 << 28) 342 #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27) 343 344 #define PLLA_MISC2_EN_SDM (1 << 26) 345 #define PLLA_MISC2_EN_DYNRAMP (1 << 25) 346 347 #define PLLA_MISC0_DEFAULT_VALUE 0x12000020 348 #define PLLA_MISC0_WRITE_MASK 0x7fffffff 349 #define PLLA_MISC2_DEFAULT_VALUE 0x0 350 #define PLLA_MISC2_WRITE_MASK 0x06ffffff 351 352 /* PLLD */ 353 #define PLLD_BASE_CSI_CLKSOURCE (1 << 23) 354 355 #define PLLD_MISC0_EN_SDM (1 << 16) 356 #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17) 357 #define PLLD_MISC0_LOCK_ENABLE (1 << 18) 358 #define PLLD_MISC0_IDDQ (1 << 20) 359 #define PLLD_MISC0_DSI_CLKENABLE (1 << 21) 360 361 #define PLLD_MISC0_DEFAULT_VALUE 0x00140000 362 #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff 363 #define PLLD_MISC1_DEFAULT_VALUE 0x20 364 #define PLLD_MISC1_WRITE_MASK 0x00ffffff 365 366 /* PLLD2 and PLLDP and PLLC4 */ 367 #define PLLDSS_BASE_LOCK (1 << 27) 368 #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24) 369 #define PLLDSS_BASE_IDDQ (1 << 18) 370 #define PLLDSS_BASE_REF_SEL_SHIFT 25 371 #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT) 372 373 #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30) 374 375 #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31) 376 #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30) 377 378 #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020 379 #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000 380 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0 381 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0 382 383 #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020 384 #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000 385 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da 386 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400 387 388 #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff 389 #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000 390 #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff 391 #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff 392 393 #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000 394 395 /* PLLRE */ 396 #define PLLRE_MISC0_LOCK_ENABLE (1 << 30) 397 #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29) 398 #define PLLRE_MISC0_LOCK (1 << 27) 399 #define PLLRE_MISC0_IDDQ (1 << 24) 400 401 #define PLLRE_BASE_DEFAULT_VALUE 0x0 402 #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000 403 404 #define PLLRE_BASE_DEFAULT_MASK 0x1c000000 405 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff 406 407 /* PLLX */ 408 #define PLLX_USE_DYN_RAMP 1 409 #define PLLX_BASE_LOCK (1 << 27) 410 411 #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28) 412 #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18) 413 414 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24 415 #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT) 416 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16 417 #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT) 418 #define PLLX_MISC2_NDIV_NEW_SHIFT 8 419 #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT) 420 #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4) 421 #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2) 422 #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0) 423 424 #define PLLX_MISC3_IDDQ (0x1 << 3) 425 426 #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE 427 #define PLLX_MISC0_WRITE_MASK 0x10c40000 428 #define PLLX_MISC1_DEFAULT_VALUE 0x20 429 #define PLLX_MISC1_WRITE_MASK 0x00ffffff 430 #define PLLX_MISC2_DEFAULT_VALUE 0x0 431 #define PLLX_MISC2_WRITE_MASK 0xffffff11 432 #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ 433 #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f 434 #define PLLX_MISC4_DEFAULT_VALUE 0x0 435 #define PLLX_MISC4_WRITE_MASK 0x8000ffff 436 #define PLLX_MISC5_DEFAULT_VALUE 0x0 437 #define PLLX_MISC5_WRITE_MASK 0x0000ffff 438 439 #define PLLX_HW_CTRL_CFG 0x548 440 #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0) 441 442 /* PLLMB */ 443 #define PLLMB_BASE_LOCK (1 << 27) 444 445 #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18) 446 #define PLLMB_MISC1_IDDQ (1 << 17) 447 #define PLLMB_MISC1_LOCK_ENABLE (1 << 16) 448 449 #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000 450 #define PLLMB_MISC1_WRITE_MASK 0x0007ffff 451 452 /* PLLP */ 453 #define PLLP_BASE_OVERRIDE (1 << 28) 454 #define PLLP_BASE_LOCK (1 << 27) 455 456 #define PLLP_MISC0_LOCK_ENABLE (1 << 18) 457 #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17) 458 #define PLLP_MISC0_IDDQ (1 << 3) 459 460 #define PLLP_MISC1_HSIO_EN_SHIFT 29 461 #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT) 462 #define PLLP_MISC1_XUSB_EN_SHIFT 28 463 #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT) 464 465 #define PLLP_MISC0_DEFAULT_VALUE 0x00040008 466 #define PLLP_MISC1_DEFAULT_VALUE 0x0 467 468 #define PLLP_MISC0_WRITE_MASK 0xdc6000f 469 #define PLLP_MISC1_WRITE_MASK 0x70ffffff 470 471 /* PLLU */ 472 #define PLLU_BASE_LOCK (1 << 27) 473 #define PLLU_BASE_OVERRIDE (1 << 24) 474 #define PLLU_BASE_CLKENABLE_USB (1 << 21) 475 #define PLLU_BASE_CLKENABLE_HSIC (1 << 22) 476 #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23) 477 #define PLLU_BASE_CLKENABLE_48M (1 << 25) 478 #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\ 479 PLLU_BASE_CLKENABLE_HSIC |\ 480 PLLU_BASE_CLKENABLE_ICUSB |\ 481 PLLU_BASE_CLKENABLE_48M) 482 483 #define PLLU_MISC0_IDDQ (1 << 31) 484 #define PLLU_MISC0_LOCK_ENABLE (1 << 29) 485 #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0) 486 487 #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000 488 #define PLLU_MISC1_DEFAULT_VALUE 0x0 489 490 #define PLLU_MISC0_WRITE_MASK 0xbfffffff 491 #define PLLU_MISC1_WRITE_MASK 0x00000007 492 493 void tegra210_xusb_pll_hw_control_enable(void) 494 { 495 u32 val; 496 497 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 498 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL | 499 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL); 500 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET | 501 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ; 502 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 503 } 504 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable); 505 506 void tegra210_xusb_pll_hw_sequence_start(void) 507 { 508 u32 val; 509 510 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0); 511 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE; 512 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0); 513 } 514 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start); 515 516 void tegra210_sata_pll_hw_control_enable(void) 517 { 518 u32 val; 519 520 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 521 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL; 522 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET | 523 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ; 524 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 525 } 526 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable); 527 528 void tegra210_sata_pll_hw_sequence_start(void) 529 { 530 u32 val; 531 532 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 533 val |= SATA_PLL_CFG0_SEQ_ENABLE; 534 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 535 } 536 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start); 537 538 void tegra210_set_sata_pll_seq_sw(bool state) 539 { 540 u32 val; 541 542 val = readl_relaxed(clk_base + SATA_PLL_CFG0); 543 if (state) { 544 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 545 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 546 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 547 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 548 } else { 549 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL; 550 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE; 551 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE; 552 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE; 553 } 554 writel_relaxed(val, clk_base + SATA_PLL_CFG0); 555 } 556 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw); 557 558 static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist) 559 { 560 u32 val; 561 562 val = readl_relaxed(clk_base + mbist->lvl2_offset); 563 writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset); 564 fence_udelay(1, clk_base); 565 writel_relaxed(val, clk_base + mbist->lvl2_offset); 566 fence_udelay(1, clk_base); 567 } 568 569 static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist) 570 { 571 u32 csi_src, ovra, ovre; 572 unsigned long flags = 0; 573 574 spin_lock_irqsave(&pll_d_lock, flags); 575 576 csi_src = readl_relaxed(clk_base + PLLD_BASE); 577 writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE); 578 fence_udelay(1, clk_base); 579 580 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); 581 writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA); 582 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 583 writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE); 584 fence_udelay(1, clk_base); 585 586 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); 587 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 588 writel_relaxed(csi_src, clk_base + PLLD_BASE); 589 fence_udelay(1, clk_base); 590 591 spin_unlock_irqrestore(&pll_d_lock, flags); 592 } 593 594 static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist) 595 { 596 u32 ovra, dsc_top_ctrl; 597 598 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); 599 writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA); 600 fence_udelay(1, clk_base); 601 602 dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL); 603 writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL); 604 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); 605 writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL); 606 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); 607 608 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); 609 fence_udelay(1, clk_base); 610 } 611 612 static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist) 613 { 614 u32 ovre, val; 615 616 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 617 writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE); 618 fence_udelay(1, clk_base); 619 620 val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 621 writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24), 622 vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 623 fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 624 625 writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 626 readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); 627 628 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 629 fence_udelay(1, clk_base); 630 } 631 632 static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist) 633 { 634 void __iomem *i2s_base; 635 unsigned int i; 636 u32 ovrc, ovre; 637 638 ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC); 639 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); 640 writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC); 641 writel_relaxed(ovre | BIT(10) | BIT(11), 642 clk_base + LVL2_CLK_GATE_OVRE); 643 fence_udelay(1, clk_base); 644 645 i2s_base = ahub_base + TEGRA210_I2S_BASE; 646 647 for (i = 0; i < TEGRA210_I2S_CTRLS; i++) { 648 u32 i2s_ctrl; 649 650 i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL); 651 writel_relaxed(i2s_ctrl | BIT(10), 652 i2s_base + TEGRA210_I2S_CTRL); 653 writel_relaxed(0, i2s_base + TEGRA210_I2S_CG); 654 readl(i2s_base + TEGRA210_I2S_CG); 655 writel_relaxed(1, i2s_base + TEGRA210_I2S_CG); 656 writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL); 657 readl(i2s_base + TEGRA210_I2S_CTRL); 658 659 i2s_base += TEGRA210_I2S_SIZE; 660 } 661 662 writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC); 663 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); 664 fence_udelay(1, clk_base); 665 } 666 667 static inline void _pll_misc_chk_default(void __iomem *base, 668 struct tegra_clk_pll_params *params, 669 u8 misc_num, u32 default_val, u32 mask) 670 { 671 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]); 672 673 boot_val &= mask; 674 default_val &= mask; 675 if (boot_val != default_val) { 676 pr_warn("boot misc%d 0x%x: expected 0x%x\n", 677 misc_num, boot_val, default_val); 678 pr_warn(" (comparison mask = 0x%x)\n", mask); 679 params->defaults_set = false; 680 } 681 } 682 683 /* 684 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1 685 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition 686 * that changes NDIV only, while PLL is already locked. 687 */ 688 static void pllcx_check_defaults(struct tegra_clk_pll_params *params) 689 { 690 u32 default_val; 691 692 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET); 693 _pll_misc_chk_default(clk_base, params, 0, default_val, 694 PLLCX_MISC0_WRITE_MASK); 695 696 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ); 697 _pll_misc_chk_default(clk_base, params, 1, default_val, 698 PLLCX_MISC1_WRITE_MASK); 699 700 default_val = PLLCX_MISC2_DEFAULT_VALUE; 701 _pll_misc_chk_default(clk_base, params, 2, default_val, 702 PLLCX_MISC2_WRITE_MASK); 703 704 default_val = PLLCX_MISC3_DEFAULT_VALUE; 705 _pll_misc_chk_default(clk_base, params, 3, default_val, 706 PLLCX_MISC3_WRITE_MASK); 707 } 708 709 static void tegra210_pllcx_set_defaults(const char *name, 710 struct tegra_clk_pll *pllcx) 711 { 712 pllcx->params->defaults_set = true; 713 714 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) { 715 /* PLL is ON: only check if defaults already set */ 716 pllcx_check_defaults(pllcx->params); 717 if (!pllcx->params->defaults_set) 718 pr_warn("%s already enabled. Postponing set full defaults\n", 719 name); 720 return; 721 } 722 723 /* Defaults assert PLL reset, and set IDDQ */ 724 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE, 725 clk_base + pllcx->params->ext_misc_reg[0]); 726 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE, 727 clk_base + pllcx->params->ext_misc_reg[1]); 728 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE, 729 clk_base + pllcx->params->ext_misc_reg[2]); 730 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE, 731 clk_base + pllcx->params->ext_misc_reg[3]); 732 udelay(1); 733 } 734 735 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx) 736 { 737 tegra210_pllcx_set_defaults("PLL_C", pllcx); 738 } 739 740 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx) 741 { 742 tegra210_pllcx_set_defaults("PLL_C2", pllcx); 743 } 744 745 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx) 746 { 747 tegra210_pllcx_set_defaults("PLL_C3", pllcx); 748 } 749 750 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx) 751 { 752 tegra210_pllcx_set_defaults("PLL_A1", pllcx); 753 } 754 755 /* 756 * PLLA 757 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used. 758 * Fractional SDM is allowed to provide exact audio rates. 759 */ 760 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) 761 { 762 u32 mask; 763 u32 val = readl_relaxed(clk_base + plla->params->base_reg); 764 765 plla->params->defaults_set = true; 766 767 if (val & PLL_ENABLE) { 768 /* 769 * PLL is ON: check if defaults already set, then set those 770 * that can be updated in flight. 771 */ 772 if (val & PLLA_BASE_IDDQ) { 773 pr_warn("PLL_A boot enabled with IDDQ set\n"); 774 plla->params->defaults_set = false; 775 } 776 777 pr_warn("PLL_A already enabled. Postponing set full defaults\n"); 778 779 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */ 780 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE; 781 _pll_misc_chk_default(clk_base, plla->params, 0, val, 782 ~mask & PLLA_MISC0_WRITE_MASK); 783 784 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */ 785 _pll_misc_chk_default(clk_base, plla->params, 2, val, 786 PLLA_MISC2_EN_DYNRAMP); 787 788 /* Enable lock detect */ 789 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]); 790 val &= ~mask; 791 val |= PLLA_MISC0_DEFAULT_VALUE & mask; 792 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]); 793 udelay(1); 794 795 return; 796 } 797 798 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */ 799 val |= PLLA_BASE_IDDQ; 800 writel_relaxed(val, clk_base + plla->params->base_reg); 801 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE, 802 clk_base + plla->params->ext_misc_reg[0]); 803 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE, 804 clk_base + plla->params->ext_misc_reg[2]); 805 udelay(1); 806 } 807 808 /* 809 * PLLD 810 * PLL with fractional SDM. 811 */ 812 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld) 813 { 814 u32 val; 815 u32 mask = 0xffff; 816 817 plld->params->defaults_set = true; 818 819 if (readl_relaxed(clk_base + plld->params->base_reg) & 820 PLL_ENABLE) { 821 822 /* 823 * PLL is ON: check if defaults already set, then set those 824 * that can be updated in flight. 825 */ 826 val = PLLD_MISC1_DEFAULT_VALUE; 827 _pll_misc_chk_default(clk_base, plld->params, 1, 828 val, PLLD_MISC1_WRITE_MASK); 829 830 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */ 831 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ); 832 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE | 833 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM; 834 _pll_misc_chk_default(clk_base, plld->params, 0, val, 835 ~mask & PLLD_MISC0_WRITE_MASK); 836 837 if (!plld->params->defaults_set) 838 pr_warn("PLL_D already enabled. Postponing set full defaults\n"); 839 840 /* Enable lock detect */ 841 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE; 842 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 843 val &= ~mask; 844 val |= PLLD_MISC0_DEFAULT_VALUE & mask; 845 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 846 udelay(1); 847 848 return; 849 } 850 851 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]); 852 val &= PLLD_MISC0_DSI_CLKENABLE; 853 val |= PLLD_MISC0_DEFAULT_VALUE; 854 /* set IDDQ, enable lock detect, disable SDM */ 855 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]); 856 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base + 857 plld->params->ext_misc_reg[1]); 858 udelay(1); 859 } 860 861 /* 862 * PLLD2, PLLDP 863 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used). 864 */ 865 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss, 866 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val) 867 { 868 u32 default_val; 869 u32 val = readl_relaxed(clk_base + plldss->params->base_reg); 870 871 plldss->params->defaults_set = true; 872 873 if (val & PLL_ENABLE) { 874 875 /* 876 * PLL is ON: check if defaults already set, then set those 877 * that can be updated in flight. 878 */ 879 if (val & PLLDSS_BASE_IDDQ) { 880 pr_warn("plldss boot enabled with IDDQ set\n"); 881 plldss->params->defaults_set = false; 882 } 883 884 /* ignore lock enable */ 885 default_val = misc0_val; 886 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val, 887 PLLDSS_MISC0_WRITE_MASK & 888 (~PLLDSS_MISC0_LOCK_ENABLE)); 889 890 /* 891 * If SSC is used, check all settings, otherwise just confirm 892 * that SSC is not used on boot as well. Do nothing when using 893 * this function for PLLC4 that has only MISC0. 894 */ 895 if (plldss->params->ssc_ctrl_en_mask) { 896 default_val = misc1_val; 897 _pll_misc_chk_default(clk_base, plldss->params, 1, 898 default_val, PLLDSS_MISC1_CFG_WRITE_MASK); 899 default_val = misc2_val; 900 _pll_misc_chk_default(clk_base, plldss->params, 2, 901 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK); 902 default_val = misc3_val; 903 _pll_misc_chk_default(clk_base, plldss->params, 3, 904 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK); 905 } else if (plldss->params->ext_misc_reg[1]) { 906 default_val = misc1_val; 907 _pll_misc_chk_default(clk_base, plldss->params, 1, 908 default_val, PLLDSS_MISC1_CFG_WRITE_MASK & 909 (~PLLDSS_MISC1_CFG_EN_SDM)); 910 } 911 912 if (!plldss->params->defaults_set) 913 pr_warn("%s already enabled. Postponing set full defaults\n", 914 pll_name); 915 916 /* Enable lock detect */ 917 if (val & PLLDSS_BASE_LOCK_OVERRIDE) { 918 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 919 writel_relaxed(val, clk_base + 920 plldss->params->base_reg); 921 } 922 923 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]); 924 val &= ~PLLDSS_MISC0_LOCK_ENABLE; 925 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE; 926 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]); 927 udelay(1); 928 929 return; 930 } 931 932 /* set IDDQ, enable lock detect, configure SDM/SSC */ 933 val |= PLLDSS_BASE_IDDQ; 934 val &= ~PLLDSS_BASE_LOCK_OVERRIDE; 935 writel_relaxed(val, clk_base + plldss->params->base_reg); 936 937 /* When using this function for PLLC4 exit here */ 938 if (!plldss->params->ext_misc_reg[1]) { 939 writel_relaxed(misc0_val, clk_base + 940 plldss->params->ext_misc_reg[0]); 941 udelay(1); 942 return; 943 } 944 945 writel_relaxed(misc0_val, clk_base + 946 plldss->params->ext_misc_reg[0]); 947 /* if SSC used set by 1st enable */ 948 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC), 949 clk_base + plldss->params->ext_misc_reg[1]); 950 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]); 951 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]); 952 udelay(1); 953 } 954 955 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) 956 { 957 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE, 958 PLLD2_MISC1_CFG_DEFAULT_VALUE, 959 PLLD2_MISC2_CTRL1_DEFAULT_VALUE, 960 PLLD2_MISC3_CTRL2_DEFAULT_VALUE); 961 } 962 963 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) 964 { 965 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE, 966 PLLDP_MISC1_CFG_DEFAULT_VALUE, 967 PLLDP_MISC2_CTRL1_DEFAULT_VALUE, 968 PLLDP_MISC3_CTRL2_DEFAULT_VALUE); 969 } 970 971 /* 972 * PLLC4 973 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support. 974 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers. 975 */ 976 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) 977 { 978 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0); 979 } 980 981 /* 982 * PLLRE 983 * VCO is exposed to the clock tree directly along with post-divider output 984 */ 985 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) 986 { 987 u32 mask; 988 u32 val = readl_relaxed(clk_base + pllre->params->base_reg); 989 990 pllre->params->defaults_set = true; 991 992 if (val & PLL_ENABLE) { 993 /* 994 * PLL is ON: check if defaults already set, then set those 995 * that can be updated in flight. 996 */ 997 val &= PLLRE_BASE_DEFAULT_MASK; 998 if (val != PLLRE_BASE_DEFAULT_VALUE) { 999 pr_warn("pllre boot base 0x%x : expected 0x%x\n", 1000 val, PLLRE_BASE_DEFAULT_VALUE); 1001 pr_warn("(comparison mask = 0x%x)\n", 1002 PLLRE_BASE_DEFAULT_MASK); 1003 pllre->params->defaults_set = false; 1004 } 1005 1006 /* Ignore lock enable */ 1007 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ); 1008 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE; 1009 _pll_misc_chk_default(clk_base, pllre->params, 0, val, 1010 ~mask & PLLRE_MISC0_WRITE_MASK); 1011 1012 /* The PLL doesn't work if it's in IDDQ. */ 1013 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]); 1014 if (val & PLLRE_MISC0_IDDQ) 1015 pr_warn("unexpected IDDQ bit set for enabled clock\n"); 1016 1017 /* Enable lock detect */ 1018 val &= ~mask; 1019 val |= PLLRE_MISC0_DEFAULT_VALUE & mask; 1020 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]); 1021 udelay(1); 1022 1023 if (!pllre->params->defaults_set) 1024 pr_warn("PLL_RE already enabled. Postponing set full defaults\n"); 1025 1026 return; 1027 } 1028 1029 /* set IDDQ, enable lock detect */ 1030 val &= ~PLLRE_BASE_DEFAULT_MASK; 1031 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK; 1032 writel_relaxed(val, clk_base + pllre->params->base_reg); 1033 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE, 1034 clk_base + pllre->params->ext_misc_reg[0]); 1035 udelay(1); 1036 } 1037 1038 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) 1039 { 1040 unsigned long input_rate; 1041 1042 /* cf rate */ 1043 if (!IS_ERR_OR_NULL(hw->clk)) 1044 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); 1045 else 1046 input_rate = 38400000; 1047 1048 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); 1049 1050 switch (input_rate) { 1051 case 12000000: 1052 case 12800000: 1053 case 13000000: 1054 *step_a = 0x2B; 1055 *step_b = 0x0B; 1056 return; 1057 case 19200000: 1058 *step_a = 0x12; 1059 *step_b = 0x08; 1060 return; 1061 case 38400000: 1062 *step_a = 0x04; 1063 *step_b = 0x05; 1064 return; 1065 default: 1066 pr_err("%s: Unexpected reference rate %lu\n", 1067 __func__, input_rate); 1068 BUG(); 1069 } 1070 } 1071 1072 static void pllx_check_defaults(struct tegra_clk_pll *pll) 1073 { 1074 u32 default_val; 1075 1076 default_val = PLLX_MISC0_DEFAULT_VALUE; 1077 /* ignore lock enable */ 1078 _pll_misc_chk_default(clk_base, pll->params, 0, default_val, 1079 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE)); 1080 1081 default_val = PLLX_MISC1_DEFAULT_VALUE; 1082 _pll_misc_chk_default(clk_base, pll->params, 1, default_val, 1083 PLLX_MISC1_WRITE_MASK); 1084 1085 /* ignore all but control bit */ 1086 default_val = PLLX_MISC2_DEFAULT_VALUE; 1087 _pll_misc_chk_default(clk_base, pll->params, 2, 1088 default_val, PLLX_MISC2_EN_DYNRAMP); 1089 1090 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ); 1091 _pll_misc_chk_default(clk_base, pll->params, 3, default_val, 1092 PLLX_MISC3_WRITE_MASK); 1093 1094 default_val = PLLX_MISC4_DEFAULT_VALUE; 1095 _pll_misc_chk_default(clk_base, pll->params, 4, default_val, 1096 PLLX_MISC4_WRITE_MASK); 1097 1098 default_val = PLLX_MISC5_DEFAULT_VALUE; 1099 _pll_misc_chk_default(clk_base, pll->params, 5, default_val, 1100 PLLX_MISC5_WRITE_MASK); 1101 } 1102 1103 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) 1104 { 1105 u32 val; 1106 u32 step_a, step_b; 1107 1108 pllx->params->defaults_set = true; 1109 1110 /* Get ready dyn ramp state machine settings */ 1111 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b); 1112 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) & 1113 (~PLLX_MISC2_DYNRAMP_STEPB_MASK); 1114 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT; 1115 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT; 1116 1117 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) { 1118 1119 /* 1120 * PLL is ON: check if defaults already set, then set those 1121 * that can be updated in flight. 1122 */ 1123 pllx_check_defaults(pllx); 1124 1125 if (!pllx->params->defaults_set) 1126 pr_warn("PLL_X already enabled. Postponing set full defaults\n"); 1127 /* Configure dyn ramp, disable lock override */ 1128 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1129 1130 /* Enable lock detect */ 1131 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]); 1132 val &= ~PLLX_MISC0_LOCK_ENABLE; 1133 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE; 1134 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]); 1135 udelay(1); 1136 1137 return; 1138 } 1139 1140 /* Enable lock detect and CPU output */ 1141 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base + 1142 pllx->params->ext_misc_reg[0]); 1143 1144 /* Setup */ 1145 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base + 1146 pllx->params->ext_misc_reg[1]); 1147 1148 /* Configure dyn ramp state machine, disable lock override */ 1149 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1150 1151 /* Set IDDQ */ 1152 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base + 1153 pllx->params->ext_misc_reg[3]); 1154 1155 /* Disable SDM */ 1156 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base + 1157 pllx->params->ext_misc_reg[4]); 1158 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base + 1159 pllx->params->ext_misc_reg[5]); 1160 udelay(1); 1161 } 1162 1163 /* PLLMB */ 1164 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) 1165 { 1166 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg); 1167 1168 pllmb->params->defaults_set = true; 1169 1170 if (val & PLL_ENABLE) { 1171 1172 /* 1173 * PLL is ON: check if defaults already set, then set those 1174 * that can be updated in flight. 1175 */ 1176 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ); 1177 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE; 1178 _pll_misc_chk_default(clk_base, pllmb->params, 0, val, 1179 ~mask & PLLMB_MISC1_WRITE_MASK); 1180 1181 if (!pllmb->params->defaults_set) 1182 pr_warn("PLL_MB already enabled. Postponing set full defaults\n"); 1183 /* Enable lock detect */ 1184 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]); 1185 val &= ~mask; 1186 val |= PLLMB_MISC1_DEFAULT_VALUE & mask; 1187 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]); 1188 udelay(1); 1189 1190 return; 1191 } 1192 1193 /* set IDDQ, enable lock detect */ 1194 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE, 1195 clk_base + pllmb->params->ext_misc_reg[0]); 1196 udelay(1); 1197 } 1198 1199 /* 1200 * PLLP 1201 * VCO is exposed to the clock tree directly along with post-divider output. 1202 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz, 1203 * respectively. 1204 */ 1205 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled) 1206 { 1207 u32 val, mask; 1208 1209 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */ 1210 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ); 1211 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1212 if (!enabled) 1213 mask |= PLLP_MISC0_IDDQ; 1214 _pll_misc_chk_default(clk_base, pll->params, 0, val, 1215 ~mask & PLLP_MISC0_WRITE_MASK); 1216 1217 /* Ignore branch controls */ 1218 val = PLLP_MISC1_DEFAULT_VALUE; 1219 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1220 _pll_misc_chk_default(clk_base, pll->params, 1, val, 1221 ~mask & PLLP_MISC1_WRITE_MASK); 1222 } 1223 1224 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) 1225 { 1226 u32 mask; 1227 u32 val = readl_relaxed(clk_base + pllp->params->base_reg); 1228 1229 pllp->params->defaults_set = true; 1230 1231 if (val & PLL_ENABLE) { 1232 1233 /* 1234 * PLL is ON: check if defaults already set, then set those 1235 * that can be updated in flight. 1236 */ 1237 pllp_check_defaults(pllp, true); 1238 if (!pllp->params->defaults_set) 1239 pr_warn("PLL_P already enabled. Postponing set full defaults\n"); 1240 1241 /* Enable lock detect */ 1242 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]); 1243 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE; 1244 val &= ~mask; 1245 val |= PLLP_MISC0_DEFAULT_VALUE & mask; 1246 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]); 1247 udelay(1); 1248 1249 return; 1250 } 1251 1252 /* set IDDQ, enable lock detect */ 1253 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE, 1254 clk_base + pllp->params->ext_misc_reg[0]); 1255 1256 /* Preserve branch control */ 1257 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]); 1258 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN; 1259 val &= mask; 1260 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE; 1261 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]); 1262 udelay(1); 1263 } 1264 1265 /* 1266 * PLLU 1267 * VCO is exposed to the clock tree directly along with post-divider output. 1268 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz, 1269 * respectively. 1270 */ 1271 static void pllu_check_defaults(struct tegra_clk_pll_params *params, 1272 bool hw_control) 1273 { 1274 u32 val, mask; 1275 1276 /* Ignore lock enable (will be set) and IDDQ if under h/w control */ 1277 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ); 1278 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0); 1279 _pll_misc_chk_default(clk_base, params, 0, val, 1280 ~mask & PLLU_MISC0_WRITE_MASK); 1281 1282 val = PLLU_MISC1_DEFAULT_VALUE; 1283 mask = PLLU_MISC1_LOCK_OVERRIDE; 1284 _pll_misc_chk_default(clk_base, params, 1, val, 1285 ~mask & PLLU_MISC1_WRITE_MASK); 1286 } 1287 1288 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu) 1289 { 1290 u32 val = readl_relaxed(clk_base + pllu->base_reg); 1291 1292 pllu->defaults_set = true; 1293 1294 if (val & PLL_ENABLE) { 1295 1296 /* 1297 * PLL is ON: check if defaults already set, then set those 1298 * that can be updated in flight. 1299 */ 1300 pllu_check_defaults(pllu, false); 1301 if (!pllu->defaults_set) 1302 pr_warn("PLL_U already enabled. Postponing set full defaults\n"); 1303 1304 /* Enable lock detect */ 1305 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]); 1306 val &= ~PLLU_MISC0_LOCK_ENABLE; 1307 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE; 1308 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]); 1309 1310 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]); 1311 val &= ~PLLU_MISC1_LOCK_OVERRIDE; 1312 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE; 1313 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]); 1314 udelay(1); 1315 1316 return; 1317 } 1318 1319 /* set IDDQ, enable lock detect */ 1320 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE, 1321 clk_base + pllu->ext_misc_reg[0]); 1322 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE, 1323 clk_base + pllu->ext_misc_reg[1]); 1324 udelay(1); 1325 } 1326 1327 #define mask(w) ((1 << (w)) - 1) 1328 #define divm_mask(p) mask(p->params->div_nmp->divm_width) 1329 #define divn_mask(p) mask(p->params->div_nmp->divn_width) 1330 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ 1331 mask(p->params->div_nmp->divp_width)) 1332 1333 #define divm_shift(p) ((p)->params->div_nmp->divm_shift) 1334 #define divn_shift(p) ((p)->params->div_nmp->divn_shift) 1335 #define divp_shift(p) ((p)->params->div_nmp->divp_shift) 1336 1337 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p)) 1338 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p)) 1339 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p)) 1340 1341 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */ 1342 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll, 1343 u32 reg, u32 mask) 1344 { 1345 int i; 1346 u32 val = 0; 1347 1348 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) { 1349 udelay(PLL_LOCKDET_DELAY); 1350 val = readl_relaxed(clk_base + reg); 1351 if ((val & mask) == mask) { 1352 udelay(PLL_LOCKDET_DELAY); 1353 return 0; 1354 } 1355 } 1356 return -ETIMEDOUT; 1357 } 1358 1359 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx, 1360 struct tegra_clk_pll_freq_table *cfg) 1361 { 1362 u32 val, base, ndiv_new_mask; 1363 1364 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift) 1365 << PLLX_MISC2_NDIV_NEW_SHIFT; 1366 1367 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1368 val &= (~ndiv_new_mask); 1369 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT; 1370 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1371 udelay(1); 1372 1373 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]); 1374 val |= PLLX_MISC2_EN_DYNRAMP; 1375 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1376 udelay(1); 1377 1378 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2], 1379 PLLX_MISC2_DYNRAMP_DONE); 1380 1381 base = readl_relaxed(clk_base + pllx->params->base_reg) & 1382 (~divn_mask_shifted(pllx)); 1383 base |= cfg->n << pllx->params->div_nmp->divn_shift; 1384 writel_relaxed(base, clk_base + pllx->params->base_reg); 1385 udelay(1); 1386 1387 val &= ~PLLX_MISC2_EN_DYNRAMP; 1388 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]); 1389 udelay(1); 1390 1391 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n", 1392 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p, 1393 cfg->input_rate / cfg->m * cfg->n / 1394 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000); 1395 1396 return 0; 1397 } 1398 1399 /* 1400 * Common configuration for PLLs with fixed input divider policy: 1401 * - always set fixed M-value based on the reference rate 1402 * - always set P-value value 1:1 for output rates above VCO minimum, and 1403 * choose minimum necessary P-value for output rates below VCO maximum 1404 * - calculate N-value based on selected M and P 1405 * - calculate SDM_DIN fractional part 1406 */ 1407 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw, 1408 struct tegra_clk_pll_freq_table *cfg, 1409 unsigned long rate, unsigned long input_rate) 1410 { 1411 struct tegra_clk_pll *pll = to_clk_pll(hw); 1412 struct tegra_clk_pll_params *params = pll->params; 1413 int p; 1414 unsigned long cf, p_rate; 1415 u32 pdiv; 1416 1417 if (!rate) 1418 return -EINVAL; 1419 1420 if (!(params->flags & TEGRA_PLL_VCO_OUT)) { 1421 p = DIV_ROUND_UP(params->vco_min, rate); 1422 p = params->round_p_to_pdiv(p, &pdiv); 1423 } else { 1424 p = rate >= params->vco_min ? 1 : -EINVAL; 1425 } 1426 1427 if (p < 0) 1428 return -EINVAL; 1429 1430 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate); 1431 cfg->p = p; 1432 1433 /* Store P as HW value, as that is what is expected */ 1434 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p); 1435 1436 p_rate = rate * p; 1437 if (p_rate > params->vco_max) 1438 p_rate = params->vco_max; 1439 cf = input_rate / cfg->m; 1440 cfg->n = p_rate / cf; 1441 1442 cfg->sdm_data = 0; 1443 cfg->output_rate = input_rate; 1444 if (params->sdm_ctrl_reg) { 1445 unsigned long rem = p_rate - cf * cfg->n; 1446 /* If ssc is enabled SDM enabled as well, even for integer n */ 1447 if (rem || params->ssc_ctrl_reg) { 1448 u64 s = rem * PLL_SDM_COEFF; 1449 1450 do_div(s, cf); 1451 s -= PLL_SDM_COEFF / 2; 1452 cfg->sdm_data = sdin_din_to_data(s); 1453 } 1454 cfg->output_rate *= sdin_get_n_eff(cfg); 1455 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF; 1456 } else { 1457 cfg->output_rate *= cfg->n; 1458 cfg->output_rate /= p * cfg->m; 1459 } 1460 1461 cfg->input_rate = input_rate; 1462 1463 return 0; 1464 } 1465 1466 /* 1467 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate 1468 * 1469 * @cfg: struct tegra_clk_pll_freq_table * cfg 1470 * 1471 * For Normal mode: 1472 * Fvco = Fref * NDIV / MDIV 1473 * 1474 * For fractional mode: 1475 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV 1476 */ 1477 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg) 1478 { 1479 cfg->n = sdin_get_n_eff(cfg); 1480 cfg->m *= PLL_SDM_COEFF; 1481 } 1482 1483 static unsigned long 1484 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, 1485 unsigned long parent_rate) 1486 { 1487 unsigned long vco_min = params->vco_min; 1488 1489 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF); 1490 vco_min = min(vco_min, params->vco_min); 1491 1492 return vco_min; 1493 } 1494 1495 static struct div_nmp pllx_nmp = { 1496 .divm_shift = 0, 1497 .divm_width = 8, 1498 .divn_shift = 8, 1499 .divn_width = 8, 1500 .divp_shift = 20, 1501 .divp_width = 5, 1502 }; 1503 /* 1504 * PLL post divider maps - two types: quasi-linear and exponential 1505 * post divider. 1506 */ 1507 #define PLL_QLIN_PDIV_MAX 16 1508 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = { 1509 { .pdiv = 1, .hw_val = 0 }, 1510 { .pdiv = 2, .hw_val = 1 }, 1511 { .pdiv = 3, .hw_val = 2 }, 1512 { .pdiv = 4, .hw_val = 3 }, 1513 { .pdiv = 5, .hw_val = 4 }, 1514 { .pdiv = 6, .hw_val = 5 }, 1515 { .pdiv = 8, .hw_val = 6 }, 1516 { .pdiv = 9, .hw_val = 7 }, 1517 { .pdiv = 10, .hw_val = 8 }, 1518 { .pdiv = 12, .hw_val = 9 }, 1519 { .pdiv = 15, .hw_val = 10 }, 1520 { .pdiv = 16, .hw_val = 11 }, 1521 { .pdiv = 18, .hw_val = 12 }, 1522 { .pdiv = 20, .hw_val = 13 }, 1523 { .pdiv = 24, .hw_val = 14 }, 1524 { .pdiv = 30, .hw_val = 15 }, 1525 { .pdiv = 32, .hw_val = 16 }, 1526 }; 1527 1528 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv) 1529 { 1530 int i; 1531 1532 if (p) { 1533 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) { 1534 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) { 1535 if (pdiv) 1536 *pdiv = i; 1537 return pll_qlin_pdiv_to_hw[i].pdiv; 1538 } 1539 } 1540 } 1541 1542 return -EINVAL; 1543 } 1544 1545 #define PLL_EXPO_PDIV_MAX 7 1546 static const struct pdiv_map pll_expo_pdiv_to_hw[] = { 1547 { .pdiv = 1, .hw_val = 0 }, 1548 { .pdiv = 2, .hw_val = 1 }, 1549 { .pdiv = 4, .hw_val = 2 }, 1550 { .pdiv = 8, .hw_val = 3 }, 1551 { .pdiv = 16, .hw_val = 4 }, 1552 { .pdiv = 32, .hw_val = 5 }, 1553 { .pdiv = 64, .hw_val = 6 }, 1554 { .pdiv = 128, .hw_val = 7 }, 1555 }; 1556 1557 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv) 1558 { 1559 if (p) { 1560 u32 i = fls(p); 1561 1562 if (i == ffs(p)) 1563 i--; 1564 1565 if (i <= PLL_EXPO_PDIV_MAX) { 1566 if (pdiv) 1567 *pdiv = i; 1568 return 1 << i; 1569 } 1570 } 1571 return -EINVAL; 1572 } 1573 1574 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 1575 /* 1 GHz */ 1576 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */ 1577 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */ 1578 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */ 1579 { 0, 0, 0, 0, 0, 0 }, 1580 }; 1581 1582 static struct tegra_clk_pll_params pll_x_params = { 1583 .input_min = 12000000, 1584 .input_max = 800000000, 1585 .cf_min = 12000000, 1586 .cf_max = 38400000, 1587 .vco_min = 1350000000, 1588 .vco_max = 3000000000UL, 1589 .base_reg = PLLX_BASE, 1590 .misc_reg = PLLX_MISC0, 1591 .lock_mask = PLL_BASE_LOCK, 1592 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 1593 .lock_delay = 300, 1594 .ext_misc_reg[0] = PLLX_MISC0, 1595 .ext_misc_reg[1] = PLLX_MISC1, 1596 .ext_misc_reg[2] = PLLX_MISC2, 1597 .ext_misc_reg[3] = PLLX_MISC3, 1598 .ext_misc_reg[4] = PLLX_MISC4, 1599 .ext_misc_reg[5] = PLLX_MISC5, 1600 .iddq_reg = PLLX_MISC3, 1601 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1602 .max_p = PLL_QLIN_PDIV_MAX, 1603 .mdiv_default = 2, 1604 .dyn_ramp_reg = PLLX_MISC2, 1605 .stepa_shift = 16, 1606 .stepb_shift = 24, 1607 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1608 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1609 .div_nmp = &pllx_nmp, 1610 .freq_table = pll_x_freq_table, 1611 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1612 .dyn_ramp = tegra210_pllx_dyn_ramp, 1613 .set_defaults = tegra210_pllx_set_defaults, 1614 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1615 }; 1616 1617 static struct div_nmp pllc_nmp = { 1618 .divm_shift = 0, 1619 .divm_width = 8, 1620 .divn_shift = 10, 1621 .divn_width = 8, 1622 .divp_shift = 20, 1623 .divp_width = 5, 1624 }; 1625 1626 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { 1627 { 12000000, 510000000, 85, 1, 2, 0 }, 1628 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */ 1629 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */ 1630 { 0, 0, 0, 0, 0, 0 }, 1631 }; 1632 1633 static struct tegra_clk_pll_params pll_c_params = { 1634 .input_min = 12000000, 1635 .input_max = 700000000, 1636 .cf_min = 12000000, 1637 .cf_max = 50000000, 1638 .vco_min = 600000000, 1639 .vco_max = 1200000000, 1640 .base_reg = PLLC_BASE, 1641 .misc_reg = PLLC_MISC0, 1642 .lock_mask = PLL_BASE_LOCK, 1643 .lock_delay = 300, 1644 .iddq_reg = PLLC_MISC1, 1645 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1646 .reset_reg = PLLC_MISC0, 1647 .reset_bit_idx = PLLCX_RESET_BIT, 1648 .max_p = PLL_QLIN_PDIV_MAX, 1649 .ext_misc_reg[0] = PLLC_MISC0, 1650 .ext_misc_reg[1] = PLLC_MISC1, 1651 .ext_misc_reg[2] = PLLC_MISC2, 1652 .ext_misc_reg[3] = PLLC_MISC3, 1653 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1654 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1655 .mdiv_default = 3, 1656 .div_nmp = &pllc_nmp, 1657 .freq_table = pll_cx_freq_table, 1658 .flags = TEGRA_PLL_USE_LOCK, 1659 .set_defaults = _pllc_set_defaults, 1660 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1661 }; 1662 1663 static struct div_nmp pllcx_nmp = { 1664 .divm_shift = 0, 1665 .divm_width = 8, 1666 .divn_shift = 10, 1667 .divn_width = 8, 1668 .divp_shift = 20, 1669 .divp_width = 5, 1670 }; 1671 1672 static struct tegra_clk_pll_params pll_c2_params = { 1673 .input_min = 12000000, 1674 .input_max = 700000000, 1675 .cf_min = 12000000, 1676 .cf_max = 50000000, 1677 .vco_min = 600000000, 1678 .vco_max = 1200000000, 1679 .base_reg = PLLC2_BASE, 1680 .misc_reg = PLLC2_MISC0, 1681 .iddq_reg = PLLC2_MISC1, 1682 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1683 .reset_reg = PLLC2_MISC0, 1684 .reset_bit_idx = PLLCX_RESET_BIT, 1685 .lock_mask = PLLCX_BASE_LOCK, 1686 .lock_delay = 300, 1687 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1688 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1689 .mdiv_default = 3, 1690 .div_nmp = &pllcx_nmp, 1691 .max_p = PLL_QLIN_PDIV_MAX, 1692 .ext_misc_reg[0] = PLLC2_MISC0, 1693 .ext_misc_reg[1] = PLLC2_MISC1, 1694 .ext_misc_reg[2] = PLLC2_MISC2, 1695 .ext_misc_reg[3] = PLLC2_MISC3, 1696 .freq_table = pll_cx_freq_table, 1697 .flags = TEGRA_PLL_USE_LOCK, 1698 .set_defaults = _pllc2_set_defaults, 1699 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1700 }; 1701 1702 static struct tegra_clk_pll_params pll_c3_params = { 1703 .input_min = 12000000, 1704 .input_max = 700000000, 1705 .cf_min = 12000000, 1706 .cf_max = 50000000, 1707 .vco_min = 600000000, 1708 .vco_max = 1200000000, 1709 .base_reg = PLLC3_BASE, 1710 .misc_reg = PLLC3_MISC0, 1711 .lock_mask = PLLCX_BASE_LOCK, 1712 .lock_delay = 300, 1713 .iddq_reg = PLLC3_MISC1, 1714 .iddq_bit_idx = PLLCX_IDDQ_BIT, 1715 .reset_reg = PLLC3_MISC0, 1716 .reset_bit_idx = PLLCX_RESET_BIT, 1717 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1718 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1719 .mdiv_default = 3, 1720 .div_nmp = &pllcx_nmp, 1721 .max_p = PLL_QLIN_PDIV_MAX, 1722 .ext_misc_reg[0] = PLLC3_MISC0, 1723 .ext_misc_reg[1] = PLLC3_MISC1, 1724 .ext_misc_reg[2] = PLLC3_MISC2, 1725 .ext_misc_reg[3] = PLLC3_MISC3, 1726 .freq_table = pll_cx_freq_table, 1727 .flags = TEGRA_PLL_USE_LOCK, 1728 .set_defaults = _pllc3_set_defaults, 1729 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1730 }; 1731 1732 static struct div_nmp pllss_nmp = { 1733 .divm_shift = 0, 1734 .divm_width = 8, 1735 .divn_shift = 8, 1736 .divn_width = 8, 1737 .divp_shift = 19, 1738 .divp_width = 5, 1739 }; 1740 1741 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = { 1742 { 12000000, 600000000, 50, 1, 1, 0 }, 1743 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */ 1744 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */ 1745 { 0, 0, 0, 0, 0, 0 }, 1746 }; 1747 1748 static const struct clk_div_table pll_vco_post_div_table[] = { 1749 { .val = 0, .div = 1 }, 1750 { .val = 1, .div = 2 }, 1751 { .val = 2, .div = 3 }, 1752 { .val = 3, .div = 4 }, 1753 { .val = 4, .div = 5 }, 1754 { .val = 5, .div = 6 }, 1755 { .val = 6, .div = 8 }, 1756 { .val = 7, .div = 10 }, 1757 { .val = 8, .div = 12 }, 1758 { .val = 9, .div = 16 }, 1759 { .val = 10, .div = 12 }, 1760 { .val = 11, .div = 16 }, 1761 { .val = 12, .div = 20 }, 1762 { .val = 13, .div = 24 }, 1763 { .val = 14, .div = 32 }, 1764 { .val = 0, .div = 0 }, 1765 }; 1766 1767 static struct tegra_clk_pll_params pll_c4_vco_params = { 1768 .input_min = 9600000, 1769 .input_max = 800000000, 1770 .cf_min = 9600000, 1771 .cf_max = 19200000, 1772 .vco_min = 500000000, 1773 .vco_max = 1080000000, 1774 .base_reg = PLLC4_BASE, 1775 .misc_reg = PLLC4_MISC0, 1776 .lock_mask = PLL_BASE_LOCK, 1777 .lock_delay = 300, 1778 .max_p = PLL_QLIN_PDIV_MAX, 1779 .ext_misc_reg[0] = PLLC4_MISC0, 1780 .iddq_reg = PLLC4_BASE, 1781 .iddq_bit_idx = PLLSS_IDDQ_BIT, 1782 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1783 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1784 .mdiv_default = 3, 1785 .div_nmp = &pllss_nmp, 1786 .freq_table = pll_c4_vco_freq_table, 1787 .set_defaults = tegra210_pllc4_set_defaults, 1788 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1789 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1790 }; 1791 1792 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 1793 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */ 1794 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */ 1795 { 38400000, 297600000, 93, 4, 3, 0 }, 1796 { 38400000, 400000000, 125, 4, 3, 0 }, 1797 { 38400000, 532800000, 111, 4, 2, 0 }, 1798 { 38400000, 665600000, 104, 3, 2, 0 }, 1799 { 38400000, 800000000, 125, 3, 2, 0 }, 1800 { 38400000, 931200000, 97, 4, 1, 0 }, 1801 { 38400000, 1065600000, 111, 4, 1, 0 }, 1802 { 38400000, 1200000000, 125, 4, 1, 0 }, 1803 { 38400000, 1331200000, 104, 3, 1, 0 }, 1804 { 38400000, 1459200000, 76, 2, 1, 0 }, 1805 { 38400000, 1600000000, 125, 3, 1, 0 }, 1806 { 0, 0, 0, 0, 0, 0 }, 1807 }; 1808 1809 static struct div_nmp pllm_nmp = { 1810 .divm_shift = 0, 1811 .divm_width = 8, 1812 .override_divm_shift = 0, 1813 .divn_shift = 8, 1814 .divn_width = 8, 1815 .override_divn_shift = 8, 1816 .divp_shift = 20, 1817 .divp_width = 5, 1818 .override_divp_shift = 27, 1819 }; 1820 1821 static struct tegra_clk_pll_params pll_m_params = { 1822 .input_min = 9600000, 1823 .input_max = 500000000, 1824 .cf_min = 9600000, 1825 .cf_max = 19200000, 1826 .vco_min = 800000000, 1827 .vco_max = 1866000000, 1828 .base_reg = PLLM_BASE, 1829 .misc_reg = PLLM_MISC2, 1830 .lock_mask = PLL_BASE_LOCK, 1831 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE, 1832 .lock_delay = 300, 1833 .iddq_reg = PLLM_MISC2, 1834 .iddq_bit_idx = PLLM_IDDQ_BIT, 1835 .max_p = PLL_QLIN_PDIV_MAX, 1836 .ext_misc_reg[0] = PLLM_MISC2, 1837 .ext_misc_reg[1] = PLLM_MISC1, 1838 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1839 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1840 .div_nmp = &pllm_nmp, 1841 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 1842 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, 1843 .freq_table = pll_m_freq_table, 1844 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 1845 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1846 }; 1847 1848 static struct tegra_clk_pll_params pll_mb_params = { 1849 .input_min = 9600000, 1850 .input_max = 500000000, 1851 .cf_min = 9600000, 1852 .cf_max = 19200000, 1853 .vco_min = 800000000, 1854 .vco_max = 1866000000, 1855 .base_reg = PLLMB_BASE, 1856 .misc_reg = PLLMB_MISC1, 1857 .lock_mask = PLL_BASE_LOCK, 1858 .lock_delay = 300, 1859 .iddq_reg = PLLMB_MISC1, 1860 .iddq_bit_idx = PLLMB_IDDQ_BIT, 1861 .max_p = PLL_QLIN_PDIV_MAX, 1862 .ext_misc_reg[0] = PLLMB_MISC1, 1863 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1864 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1865 .div_nmp = &pllm_nmp, 1866 .freq_table = pll_m_freq_table, 1867 .flags = TEGRA_PLL_USE_LOCK, 1868 .set_defaults = tegra210_pllmb_set_defaults, 1869 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1870 }; 1871 1872 1873 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 1874 /* PLLE special case: use cpcon field to store cml divider value */ 1875 { 672000000, 100000000, 125, 42, 0, 13 }, 1876 { 624000000, 100000000, 125, 39, 0, 13 }, 1877 { 336000000, 100000000, 125, 21, 0, 13 }, 1878 { 312000000, 100000000, 200, 26, 0, 14 }, 1879 { 38400000, 100000000, 125, 2, 0, 14 }, 1880 { 12000000, 100000000, 200, 1, 0, 14 }, 1881 { 0, 0, 0, 0, 0, 0 }, 1882 }; 1883 1884 static struct div_nmp plle_nmp = { 1885 .divm_shift = 0, 1886 .divm_width = 8, 1887 .divn_shift = 8, 1888 .divn_width = 8, 1889 .divp_shift = 24, 1890 .divp_width = 5, 1891 }; 1892 1893 static struct tegra_clk_pll_params pll_e_params = { 1894 .input_min = 12000000, 1895 .input_max = 800000000, 1896 .cf_min = 12000000, 1897 .cf_max = 38400000, 1898 .vco_min = 1600000000, 1899 .vco_max = 2500000000U, 1900 .base_reg = PLLE_BASE, 1901 .misc_reg = PLLE_MISC0, 1902 .aux_reg = PLLE_AUX, 1903 .lock_mask = PLLE_MISC_LOCK, 1904 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 1905 .lock_delay = 300, 1906 .div_nmp = &plle_nmp, 1907 .freq_table = pll_e_freq_table, 1908 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK | 1909 TEGRA_PLL_HAS_LOCK_ENABLE, 1910 .fixed_rate = 100000000, 1911 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1912 }; 1913 1914 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = { 1915 { 12000000, 672000000, 56, 1, 1, 0 }, 1916 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */ 1917 { 38400000, 672000000, 70, 4, 1, 0 }, 1918 { 0, 0, 0, 0, 0, 0 }, 1919 }; 1920 1921 static struct div_nmp pllre_nmp = { 1922 .divm_shift = 0, 1923 .divm_width = 8, 1924 .divn_shift = 8, 1925 .divn_width = 8, 1926 .divp_shift = 16, 1927 .divp_width = 5, 1928 }; 1929 1930 static struct tegra_clk_pll_params pll_re_vco_params = { 1931 .input_min = 9600000, 1932 .input_max = 800000000, 1933 .cf_min = 9600000, 1934 .cf_max = 19200000, 1935 .vco_min = 350000000, 1936 .vco_max = 700000000, 1937 .base_reg = PLLRE_BASE, 1938 .misc_reg = PLLRE_MISC0, 1939 .lock_mask = PLLRE_MISC_LOCK, 1940 .lock_delay = 300, 1941 .max_p = PLL_QLIN_PDIV_MAX, 1942 .ext_misc_reg[0] = PLLRE_MISC0, 1943 .iddq_reg = PLLRE_MISC0, 1944 .iddq_bit_idx = PLLRE_IDDQ_BIT, 1945 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 1946 .pdiv_tohw = pll_qlin_pdiv_to_hw, 1947 .div_nmp = &pllre_nmp, 1948 .freq_table = pll_re_vco_freq_table, 1949 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT, 1950 .set_defaults = tegra210_pllre_set_defaults, 1951 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1952 }; 1953 1954 static struct div_nmp pllp_nmp = { 1955 .divm_shift = 0, 1956 .divm_width = 8, 1957 .divn_shift = 10, 1958 .divn_width = 8, 1959 .divp_shift = 20, 1960 .divp_width = 5, 1961 }; 1962 1963 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 1964 { 12000000, 408000000, 34, 1, 1, 0 }, 1965 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */ 1966 { 0, 0, 0, 0, 0, 0 }, 1967 }; 1968 1969 static struct tegra_clk_pll_params pll_p_params = { 1970 .input_min = 9600000, 1971 .input_max = 800000000, 1972 .cf_min = 9600000, 1973 .cf_max = 19200000, 1974 .vco_min = 350000000, 1975 .vco_max = 700000000, 1976 .base_reg = PLLP_BASE, 1977 .misc_reg = PLLP_MISC0, 1978 .lock_mask = PLL_BASE_LOCK, 1979 .lock_delay = 300, 1980 .iddq_reg = PLLP_MISC0, 1981 .iddq_bit_idx = PLLXP_IDDQ_BIT, 1982 .ext_misc_reg[0] = PLLP_MISC0, 1983 .ext_misc_reg[1] = PLLP_MISC1, 1984 .div_nmp = &pllp_nmp, 1985 .freq_table = pll_p_freq_table, 1986 .fixed_rate = 408000000, 1987 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 1988 .set_defaults = tegra210_pllp_set_defaults, 1989 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 1990 }; 1991 1992 static struct tegra_clk_pll_params pll_a1_params = { 1993 .input_min = 12000000, 1994 .input_max = 700000000, 1995 .cf_min = 12000000, 1996 .cf_max = 50000000, 1997 .vco_min = 600000000, 1998 .vco_max = 1200000000, 1999 .base_reg = PLLA1_BASE, 2000 .misc_reg = PLLA1_MISC0, 2001 .lock_mask = PLLCX_BASE_LOCK, 2002 .lock_delay = 300, 2003 .iddq_reg = PLLA1_MISC1, 2004 .iddq_bit_idx = PLLCX_IDDQ_BIT, 2005 .reset_reg = PLLA1_MISC0, 2006 .reset_bit_idx = PLLCX_RESET_BIT, 2007 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2008 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2009 .div_nmp = &pllc_nmp, 2010 .ext_misc_reg[0] = PLLA1_MISC0, 2011 .ext_misc_reg[1] = PLLA1_MISC1, 2012 .ext_misc_reg[2] = PLLA1_MISC2, 2013 .ext_misc_reg[3] = PLLA1_MISC3, 2014 .freq_table = pll_cx_freq_table, 2015 .flags = TEGRA_PLL_USE_LOCK, 2016 .set_defaults = _plla1_set_defaults, 2017 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2018 }; 2019 2020 static struct div_nmp plla_nmp = { 2021 .divm_shift = 0, 2022 .divm_width = 8, 2023 .divn_shift = 8, 2024 .divn_width = 8, 2025 .divp_shift = 20, 2026 .divp_width = 5, 2027 }; 2028 2029 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 2030 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */ 2031 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */ 2032 { 12000000, 240000000, 60, 1, 3, 1, 0 }, 2033 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */ 2034 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */ 2035 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */ 2036 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */ 2037 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */ 2038 { 38400000, 240000000, 75, 3, 3, 1, 0 }, 2039 { 0, 0, 0, 0, 0, 0, 0 }, 2040 }; 2041 2042 static struct tegra_clk_pll_params pll_a_params = { 2043 .input_min = 12000000, 2044 .input_max = 800000000, 2045 .cf_min = 12000000, 2046 .cf_max = 19200000, 2047 .vco_min = 500000000, 2048 .vco_max = 1000000000, 2049 .base_reg = PLLA_BASE, 2050 .misc_reg = PLLA_MISC0, 2051 .lock_mask = PLL_BASE_LOCK, 2052 .lock_delay = 300, 2053 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2054 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2055 .iddq_reg = PLLA_BASE, 2056 .iddq_bit_idx = PLLA_IDDQ_BIT, 2057 .div_nmp = &plla_nmp, 2058 .sdm_din_reg = PLLA_MISC1, 2059 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2060 .sdm_ctrl_reg = PLLA_MISC2, 2061 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK, 2062 .ext_misc_reg[0] = PLLA_MISC0, 2063 .ext_misc_reg[1] = PLLA_MISC1, 2064 .ext_misc_reg[2] = PLLA_MISC2, 2065 .freq_table = pll_a_freq_table, 2066 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW, 2067 .set_defaults = tegra210_plla_set_defaults, 2068 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2069 .set_gain = tegra210_clk_pll_set_gain, 2070 .adjust_vco = tegra210_clk_adjust_vco_min, 2071 }; 2072 2073 static struct div_nmp plld_nmp = { 2074 .divm_shift = 0, 2075 .divm_width = 8, 2076 .divn_shift = 11, 2077 .divn_width = 8, 2078 .divp_shift = 20, 2079 .divp_width = 3, 2080 }; 2081 2082 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 2083 { 12000000, 594000000, 99, 1, 2, 0, 0 }, 2084 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2085 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2086 { 0, 0, 0, 0, 0, 0, 0 }, 2087 }; 2088 2089 static struct tegra_clk_pll_params pll_d_params = { 2090 .input_min = 12000000, 2091 .input_max = 800000000, 2092 .cf_min = 12000000, 2093 .cf_max = 38400000, 2094 .vco_min = 750000000, 2095 .vco_max = 1500000000, 2096 .base_reg = PLLD_BASE, 2097 .misc_reg = PLLD_MISC0, 2098 .lock_mask = PLL_BASE_LOCK, 2099 .lock_delay = 1000, 2100 .iddq_reg = PLLD_MISC0, 2101 .iddq_bit_idx = PLLD_IDDQ_BIT, 2102 .round_p_to_pdiv = pll_expo_p_to_pdiv, 2103 .pdiv_tohw = pll_expo_pdiv_to_hw, 2104 .div_nmp = &plld_nmp, 2105 .sdm_din_reg = PLLD_MISC0, 2106 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2107 .sdm_ctrl_reg = PLLD_MISC0, 2108 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK, 2109 .ext_misc_reg[0] = PLLD_MISC0, 2110 .ext_misc_reg[1] = PLLD_MISC1, 2111 .freq_table = pll_d_freq_table, 2112 .flags = TEGRA_PLL_USE_LOCK, 2113 .mdiv_default = 1, 2114 .set_defaults = tegra210_plld_set_defaults, 2115 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2116 .set_gain = tegra210_clk_pll_set_gain, 2117 .adjust_vco = tegra210_clk_adjust_vco_min, 2118 }; 2119 2120 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = { 2121 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 }, 2122 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */ 2123 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 }, 2124 { 0, 0, 0, 0, 0, 0, 0 }, 2125 }; 2126 2127 /* s/w policy, always tegra_pll_ref */ 2128 static struct tegra_clk_pll_params pll_d2_params = { 2129 .input_min = 12000000, 2130 .input_max = 800000000, 2131 .cf_min = 12000000, 2132 .cf_max = 38400000, 2133 .vco_min = 750000000, 2134 .vco_max = 1500000000, 2135 .base_reg = PLLD2_BASE, 2136 .misc_reg = PLLD2_MISC0, 2137 .lock_mask = PLL_BASE_LOCK, 2138 .lock_delay = 300, 2139 .iddq_reg = PLLD2_BASE, 2140 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2141 .sdm_din_reg = PLLD2_MISC3, 2142 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2143 .sdm_ctrl_reg = PLLD2_MISC1, 2144 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK, 2145 /* disable spread-spectrum for pll_d2 */ 2146 .ssc_ctrl_reg = 0, 2147 .ssc_ctrl_en_mask = 0, 2148 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2149 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2150 .div_nmp = &pllss_nmp, 2151 .ext_misc_reg[0] = PLLD2_MISC0, 2152 .ext_misc_reg[1] = PLLD2_MISC1, 2153 .ext_misc_reg[2] = PLLD2_MISC2, 2154 .ext_misc_reg[3] = PLLD2_MISC3, 2155 .max_p = PLL_QLIN_PDIV_MAX, 2156 .mdiv_default = 1, 2157 .freq_table = tegra210_pll_d2_freq_table, 2158 .set_defaults = tegra210_plld2_set_defaults, 2159 .flags = TEGRA_PLL_USE_LOCK, 2160 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2161 .set_gain = tegra210_clk_pll_set_gain, 2162 .adjust_vco = tegra210_clk_adjust_vco_min, 2163 }; 2164 2165 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = { 2166 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 }, 2167 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */ 2168 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 }, 2169 { 0, 0, 0, 0, 0, 0, 0 }, 2170 }; 2171 2172 static struct tegra_clk_pll_params pll_dp_params = { 2173 .input_min = 12000000, 2174 .input_max = 800000000, 2175 .cf_min = 12000000, 2176 .cf_max = 38400000, 2177 .vco_min = 750000000, 2178 .vco_max = 1500000000, 2179 .base_reg = PLLDP_BASE, 2180 .misc_reg = PLLDP_MISC, 2181 .lock_mask = PLL_BASE_LOCK, 2182 .lock_delay = 300, 2183 .iddq_reg = PLLDP_BASE, 2184 .iddq_bit_idx = PLLSS_IDDQ_BIT, 2185 .sdm_din_reg = PLLDP_SS_CTRL2, 2186 .sdm_din_mask = PLLA_SDM_DIN_MASK, 2187 .sdm_ctrl_reg = PLLDP_SS_CFG, 2188 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK, 2189 .ssc_ctrl_reg = PLLDP_SS_CFG, 2190 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK, 2191 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2192 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2193 .div_nmp = &pllss_nmp, 2194 .ext_misc_reg[0] = PLLDP_MISC, 2195 .ext_misc_reg[1] = PLLDP_SS_CFG, 2196 .ext_misc_reg[2] = PLLDP_SS_CTRL1, 2197 .ext_misc_reg[3] = PLLDP_SS_CTRL2, 2198 .max_p = PLL_QLIN_PDIV_MAX, 2199 .mdiv_default = 1, 2200 .freq_table = pll_dp_freq_table, 2201 .set_defaults = tegra210_plldp_set_defaults, 2202 .flags = TEGRA_PLL_USE_LOCK, 2203 .calc_rate = tegra210_pll_fixed_mdiv_cfg, 2204 .set_gain = tegra210_clk_pll_set_gain, 2205 .adjust_vco = tegra210_clk_adjust_vco_min, 2206 }; 2207 2208 static struct div_nmp pllu_nmp = { 2209 .divm_shift = 0, 2210 .divm_width = 8, 2211 .divn_shift = 8, 2212 .divn_width = 8, 2213 .divp_shift = 16, 2214 .divp_width = 5, 2215 }; 2216 2217 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 2218 { 12000000, 480000000, 40, 1, 1, 0 }, 2219 { 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */ 2220 { 38400000, 480000000, 25, 2, 1, 0 }, 2221 { 0, 0, 0, 0, 0, 0 }, 2222 }; 2223 2224 static struct tegra_clk_pll_params pll_u_vco_params = { 2225 .input_min = 9600000, 2226 .input_max = 800000000, 2227 .cf_min = 9600000, 2228 .cf_max = 19200000, 2229 .vco_min = 350000000, 2230 .vco_max = 700000000, 2231 .base_reg = PLLU_BASE, 2232 .misc_reg = PLLU_MISC0, 2233 .lock_mask = PLL_BASE_LOCK, 2234 .lock_delay = 1000, 2235 .iddq_reg = PLLU_MISC0, 2236 .iddq_bit_idx = PLLU_IDDQ_BIT, 2237 .ext_misc_reg[0] = PLLU_MISC0, 2238 .ext_misc_reg[1] = PLLU_MISC1, 2239 .round_p_to_pdiv = pll_qlin_p_to_pdiv, 2240 .pdiv_tohw = pll_qlin_pdiv_to_hw, 2241 .div_nmp = &pllu_nmp, 2242 .freq_table = pll_u_freq_table, 2243 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, 2244 }; 2245 2246 struct utmi_clk_param { 2247 /* Oscillator Frequency in KHz */ 2248 u32 osc_frequency; 2249 /* UTMIP PLL Enable Delay Count */ 2250 u8 enable_delay_count; 2251 /* UTMIP PLL Stable count */ 2252 u16 stable_count; 2253 /* UTMIP PLL Active delay count */ 2254 u8 active_delay_count; 2255 /* UTMIP PLL Xtal frequency count */ 2256 u16 xtal_freq_count; 2257 }; 2258 2259 static const struct utmi_clk_param utmi_parameters[] = { 2260 { 2261 .osc_frequency = 38400000, .enable_delay_count = 0x0, 2262 .stable_count = 0x0, .active_delay_count = 0x6, 2263 .xtal_freq_count = 0x80 2264 }, { 2265 .osc_frequency = 13000000, .enable_delay_count = 0x02, 2266 .stable_count = 0x33, .active_delay_count = 0x05, 2267 .xtal_freq_count = 0x7f 2268 }, { 2269 .osc_frequency = 19200000, .enable_delay_count = 0x03, 2270 .stable_count = 0x4b, .active_delay_count = 0x06, 2271 .xtal_freq_count = 0xbb 2272 }, { 2273 .osc_frequency = 12000000, .enable_delay_count = 0x02, 2274 .stable_count = 0x2f, .active_delay_count = 0x08, 2275 .xtal_freq_count = 0x76 2276 }, { 2277 .osc_frequency = 26000000, .enable_delay_count = 0x04, 2278 .stable_count = 0x66, .active_delay_count = 0x09, 2279 .xtal_freq_count = 0xfe 2280 }, { 2281 .osc_frequency = 16800000, .enable_delay_count = 0x03, 2282 .stable_count = 0x41, .active_delay_count = 0x0a, 2283 .xtal_freq_count = 0xa4 2284 }, 2285 }; 2286 2287 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { 2288 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true }, 2289 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, 2290 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, 2291 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, 2292 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, 2293 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, 2294 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, 2295 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, 2296 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, 2297 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, 2298 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true }, 2299 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true }, 2300 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true }, 2301 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true }, 2302 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true }, 2303 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true }, 2304 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true }, 2305 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true }, 2306 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true }, 2307 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true }, 2308 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true }, 2309 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true }, 2310 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true }, 2311 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true }, 2312 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true }, 2313 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true }, 2314 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true }, 2315 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true }, 2316 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true }, 2317 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true }, 2318 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true }, 2319 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true }, 2320 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true }, 2321 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true }, 2322 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true }, 2323 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true }, 2324 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true }, 2325 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true }, 2326 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true }, 2327 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true }, 2328 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true }, 2329 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true }, 2330 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true }, 2331 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true }, 2332 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true }, 2333 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true }, 2334 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true }, 2335 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true }, 2336 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true }, 2337 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true }, 2338 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true }, 2339 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true }, 2340 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true }, 2341 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true }, 2342 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true }, 2343 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true }, 2344 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true }, 2345 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true }, 2346 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true }, 2347 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true }, 2348 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true }, 2349 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true }, 2350 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true }, 2351 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true }, 2352 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true }, 2353 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true }, 2354 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true }, 2355 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true }, 2356 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true }, 2357 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true }, 2358 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true }, 2359 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true }, 2360 [tegra_clk_sor0_out] = { .dt_id = TEGRA210_CLK_SOR0_OUT, .present = true }, 2361 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true }, 2362 [tegra_clk_sor1_out] = { .dt_id = TEGRA210_CLK_SOR1_OUT, .present = true }, 2363 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true }, 2364 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, }, 2365 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true }, 2366 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true }, 2367 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true }, 2368 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true }, 2369 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true }, 2370 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true }, 2371 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true }, 2372 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true }, 2373 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true }, 2374 [tegra_clk_osc] = { .dt_id = TEGRA210_CLK_OSC, .present = true }, 2375 [tegra_clk_osc_div2] = { .dt_id = TEGRA210_CLK_OSC_DIV2, .present = true }, 2376 [tegra_clk_osc_div4] = { .dt_id = TEGRA210_CLK_OSC_DIV4, .present = true }, 2377 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true }, 2378 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true }, 2379 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true }, 2380 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true }, 2381 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true }, 2382 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true }, 2383 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true }, 2384 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true }, 2385 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true }, 2386 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true }, 2387 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true }, 2388 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true }, 2389 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true }, 2390 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true }, 2391 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true }, 2392 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true }, 2393 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true }, 2394 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true }, 2395 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true }, 2396 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true }, 2397 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true }, 2398 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true }, 2399 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true }, 2400 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true }, 2401 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true }, 2402 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true }, 2403 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true }, 2404 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true }, 2405 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true }, 2406 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true }, 2407 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true }, 2408 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true }, 2409 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true }, 2410 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true }, 2411 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true }, 2412 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true }, 2413 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true }, 2414 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true }, 2415 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true }, 2416 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true }, 2417 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true }, 2418 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true }, 2419 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true }, 2420 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true }, 2421 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true }, 2422 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true }, 2423 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true }, 2424 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true }, 2425 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true }, 2426 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true }, 2427 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true }, 2428 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true }, 2429 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true }, 2430 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true }, 2431 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true }, 2432 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true }, 2433 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true }, 2434 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true }, 2435 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true }, 2436 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true }, 2437 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true }, 2438 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true }, 2439 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true }, 2440 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true }, 2441 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true }, 2442 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true }, 2443 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true }, 2444 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true }, 2445 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true }, 2446 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true }, 2447 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true }, 2448 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true }, 2449 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true }, 2450 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true }, 2451 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true }, 2452 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true }, 2453 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true }, 2454 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true }, 2455 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true }, 2456 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true }, 2457 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true }, 2458 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true }, 2459 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true }, 2460 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true }, 2461 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true }, 2462 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true }, 2463 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true }, 2464 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true }, 2465 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true }, 2466 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true }, 2467 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true }, 2468 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true }, 2469 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true }, 2470 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true }, 2471 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true }, 2472 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true }, 2473 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true }, 2474 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true }, 2475 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true }, 2476 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true }, 2477 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true }, 2478 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true }, 2479 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true }, 2480 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true }, 2481 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true }, 2482 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true }, 2483 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true }, 2484 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true }, 2485 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true }, 2486 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true }, 2487 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true }, 2488 }; 2489 2490 static struct tegra_devclk devclks[] __initdata = { 2491 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M }, 2492 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF }, 2493 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K }, 2494 { .con_id = "osc", .dt_id = TEGRA210_CLK_OSC }, 2495 { .con_id = "osc_div2", .dt_id = TEGRA210_CLK_OSC_DIV2 }, 2496 { .con_id = "osc_div4", .dt_id = TEGRA210_CLK_OSC_DIV4 }, 2497 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C }, 2498 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 }, 2499 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 }, 2500 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 }, 2501 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P }, 2502 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 }, 2503 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 }, 2504 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 }, 2505 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 }, 2506 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M }, 2507 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X }, 2508 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 }, 2509 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U }, 2510 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT }, 2511 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 }, 2512 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 }, 2513 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M }, 2514 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M }, 2515 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M }, 2516 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D }, 2517 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 }, 2518 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 }, 2519 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 }, 2520 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A }, 2521 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 }, 2522 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO }, 2523 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT }, 2524 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC }, 2525 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC }, 2526 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC }, 2527 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC }, 2528 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC }, 2529 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC }, 2530 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC }, 2531 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 }, 2532 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 }, 2533 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 }, 2534 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 }, 2535 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 }, 2536 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF }, 2537 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X }, 2538 { .con_id = "extern1", .dt_id = TEGRA210_CLK_EXTERN1 }, 2539 { .con_id = "extern2", .dt_id = TEGRA210_CLK_EXTERN2 }, 2540 { .con_id = "extern3", .dt_id = TEGRA210_CLK_EXTERN3 }, 2541 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G }, 2542 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP }, 2543 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK }, 2544 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK }, 2545 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK }, 2546 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE }, 2547 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC }, 2548 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER }, 2549 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 }, 2550 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 }, 2551 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 }, 2552 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 }, 2553 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX }, 2554 }; 2555 2556 static struct tegra_audio_clk_info tegra210_audio_plls[] = { 2557 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" }, 2558 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" }, 2559 }; 2560 2561 static const char * const aclk_parents[] = { 2562 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3", 2563 "clk_m" 2564 }; 2565 2566 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC }; 2567 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG }; 2568 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X, 2569 TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 }; 2570 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA, 2571 TEGRA210_CLK_HOST1X}; 2572 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2573 TEGRA210_CLK_XUSB_DEV }; 2574 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, 2575 TEGRA210_CLK_XUSB_SS }; 2576 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV, 2577 TEGRA210_CLK_XUSB_SS }; 2578 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X, 2579 TEGRA210_CLK_PLL_D }; 2580 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK, 2581 TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2, 2582 TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT, 2583 TEGRA210_CLK_D_AUDIO }; 2584 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X }; 2585 2586 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = { 2587 [TEGRA_POWERGATE_VENC] = { 2588 .handle_lvl2_ovr = tegra210_venc_mbist_war, 2589 .num_clks = ARRAY_SIZE(venc_slcg_clkids), 2590 .clk_init_data = venc_slcg_clkids, 2591 }, 2592 [TEGRA_POWERGATE_SATA] = { 2593 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2594 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2595 .lvl2_mask = BIT(0) | BIT(17) | BIT(19), 2596 }, 2597 [TEGRA_POWERGATE_MPE] = { 2598 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2599 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2600 .lvl2_mask = BIT(29), 2601 }, 2602 [TEGRA_POWERGATE_SOR] = { 2603 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2604 .num_clks = ARRAY_SIZE(sor_slcg_clkids), 2605 .clk_init_data = sor_slcg_clkids, 2606 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2607 .lvl2_mask = BIT(1) | BIT(2), 2608 }, 2609 [TEGRA_POWERGATE_DIS] = { 2610 .handle_lvl2_ovr = tegra210_disp_mbist_war, 2611 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2612 .clk_init_data = disp_slcg_clkids, 2613 }, 2614 [TEGRA_POWERGATE_DISB] = { 2615 .num_clks = ARRAY_SIZE(disp_slcg_clkids), 2616 .clk_init_data = disp_slcg_clkids, 2617 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2618 .lvl2_offset = LVL2_CLK_GATE_OVRA, 2619 .lvl2_mask = BIT(2), 2620 }, 2621 [TEGRA_POWERGATE_XUSBA] = { 2622 .num_clks = ARRAY_SIZE(xusba_slcg_clkids), 2623 .clk_init_data = xusba_slcg_clkids, 2624 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2625 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2626 .lvl2_mask = BIT(30) | BIT(31), 2627 }, 2628 [TEGRA_POWERGATE_XUSBB] = { 2629 .num_clks = ARRAY_SIZE(xusbb_slcg_clkids), 2630 .clk_init_data = xusbb_slcg_clkids, 2631 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2632 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2633 .lvl2_mask = BIT(30) | BIT(31), 2634 }, 2635 [TEGRA_POWERGATE_XUSBC] = { 2636 .num_clks = ARRAY_SIZE(xusbc_slcg_clkids), 2637 .clk_init_data = xusbc_slcg_clkids, 2638 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2639 .lvl2_offset = LVL2_CLK_GATE_OVRC, 2640 .lvl2_mask = BIT(30) | BIT(31), 2641 }, 2642 [TEGRA_POWERGATE_VIC] = { 2643 .num_clks = ARRAY_SIZE(vic_slcg_clkids), 2644 .clk_init_data = vic_slcg_clkids, 2645 .handle_lvl2_ovr = tegra210_vic_mbist_war, 2646 }, 2647 [TEGRA_POWERGATE_NVDEC] = { 2648 .num_clks = ARRAY_SIZE(nvdec_slcg_clkids), 2649 .clk_init_data = nvdec_slcg_clkids, 2650 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2651 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2652 .lvl2_mask = BIT(9) | BIT(31), 2653 }, 2654 [TEGRA_POWERGATE_NVJPG] = { 2655 .num_clks = ARRAY_SIZE(nvjpg_slcg_clkids), 2656 .clk_init_data = nvjpg_slcg_clkids, 2657 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2658 .lvl2_offset = LVL2_CLK_GATE_OVRE, 2659 .lvl2_mask = BIT(9) | BIT(31), 2660 }, 2661 [TEGRA_POWERGATE_AUD] = { 2662 .num_clks = ARRAY_SIZE(ape_slcg_clkids), 2663 .clk_init_data = ape_slcg_clkids, 2664 .handle_lvl2_ovr = tegra210_ape_mbist_war, 2665 }, 2666 [TEGRA_POWERGATE_VE2] = { 2667 .handle_lvl2_ovr = tegra210_generic_mbist_war, 2668 .lvl2_offset = LVL2_CLK_GATE_OVRD, 2669 .lvl2_mask = BIT(22), 2670 }, 2671 }; 2672 2673 int tegra210_clk_handle_mbist_war(unsigned int id) 2674 { 2675 int err; 2676 struct tegra210_domain_mbist_war *mbist_war; 2677 2678 if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) { 2679 WARN(1, "unknown domain id in MBIST WAR handler\n"); 2680 return -EINVAL; 2681 } 2682 2683 mbist_war = &tegra210_pg_mbist_war[id]; 2684 if (!mbist_war->handle_lvl2_ovr) 2685 return 0; 2686 2687 if (mbist_war->num_clks && !mbist_war->clks) 2688 return -ENODEV; 2689 2690 err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks); 2691 if (err < 0) 2692 return err; 2693 2694 mutex_lock(&lvl2_ovr_lock); 2695 2696 mbist_war->handle_lvl2_ovr(mbist_war); 2697 2698 mutex_unlock(&lvl2_ovr_lock); 2699 2700 clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks); 2701 2702 return 0; 2703 } 2704 2705 void tegra210_put_utmipll_in_iddq(void) 2706 { 2707 u32 reg; 2708 2709 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2710 2711 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) { 2712 pr_err("trying to assert IDDQ while UTMIPLL is locked\n"); 2713 return; 2714 } 2715 2716 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2717 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2718 } 2719 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq); 2720 2721 void tegra210_put_utmipll_out_iddq(void) 2722 { 2723 u32 reg; 2724 2725 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2726 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2727 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2728 } 2729 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq); 2730 2731 static void tegra210_utmi_param_configure(void) 2732 { 2733 u32 reg; 2734 int i; 2735 2736 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 2737 if (osc_freq == utmi_parameters[i].osc_frequency) 2738 break; 2739 } 2740 2741 if (i >= ARRAY_SIZE(utmi_parameters)) { 2742 pr_err("%s: Unexpected oscillator freq %lu\n", __func__, 2743 osc_freq); 2744 return; 2745 } 2746 2747 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2748 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE; 2749 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2750 2751 udelay(10); 2752 2753 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2754 2755 /* Program UTMIP PLL stable and active counts */ 2756 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ 2757 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 2758 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count); 2759 2760 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 2761 reg |= 2762 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count); 2763 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2764 2765 /* Program UTMIP PLL delay and oscillator frequency counts */ 2766 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2767 2768 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 2769 reg |= 2770 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count); 2771 2772 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 2773 reg |= 2774 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count); 2775 2776 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 2777 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2778 2779 /* Remove power downs from UTMIP PLL control bits */ 2780 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2781 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2782 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2783 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2784 2785 udelay(20); 2786 2787 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */ 2788 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 2789 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP; 2790 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP; 2791 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP; 2792 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 2793 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 2794 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN; 2795 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 2796 2797 /* Setup HW control of UTMIPLL */ 2798 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 2799 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 2800 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; 2801 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 2802 2803 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2804 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET; 2805 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL; 2806 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2807 2808 udelay(1); 2809 2810 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2811 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY; 2812 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2813 2814 udelay(1); 2815 2816 /* Enable HW control UTMIPLL */ 2817 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2818 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE; 2819 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0); 2820 } 2821 2822 static int tegra210_enable_pllu(void) 2823 { 2824 struct tegra_clk_pll_freq_table *fentry; 2825 struct tegra_clk_pll pllu; 2826 u32 reg; 2827 int ret; 2828 2829 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) { 2830 if (fentry->input_rate == pll_ref_freq) 2831 break; 2832 } 2833 2834 if (!fentry->input_rate) { 2835 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq); 2836 return -EINVAL; 2837 } 2838 2839 /* clear IDDQ bit */ 2840 pllu.params = &pll_u_vco_params; 2841 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]); 2842 reg &= ~BIT(pllu.params->iddq_bit_idx); 2843 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]); 2844 fence_udelay(5, clk_base); 2845 2846 reg = readl_relaxed(clk_base + PLLU_BASE); 2847 reg &= ~GENMASK(20, 0); 2848 reg |= fentry->m; 2849 reg |= fentry->n << 8; 2850 reg |= fentry->p << 16; 2851 writel(reg, clk_base + PLLU_BASE); 2852 fence_udelay(1, clk_base); 2853 reg |= PLL_ENABLE; 2854 writel(reg, clk_base + PLLU_BASE); 2855 2856 /* 2857 * During clocks resume, same PLLU init and enable sequence get 2858 * executed. So, readx_poll_timeout_atomic can't be used here as it 2859 * uses ktime_get() and timekeeping resume doesn't happen by that 2860 * time. So, using tegra210_wait_for_mask for PLL LOCK. 2861 */ 2862 ret = tegra210_wait_for_mask(&pllu, PLLU_BASE, PLL_BASE_LOCK); 2863 if (ret) { 2864 pr_err("Timed out waiting for PLL_U to lock\n"); 2865 return -ETIMEDOUT; 2866 } 2867 2868 return 0; 2869 } 2870 2871 static int tegra210_init_pllu(void) 2872 { 2873 u32 reg; 2874 int err; 2875 2876 tegra210_pllu_set_defaults(&pll_u_vco_params); 2877 /* skip initialization when pllu is in hw controlled mode */ 2878 reg = readl_relaxed(clk_base + PLLU_BASE); 2879 if (reg & PLLU_BASE_OVERRIDE) { 2880 if (!(reg & PLL_ENABLE)) { 2881 err = tegra210_enable_pllu(); 2882 if (err < 0) { 2883 WARN_ON(1); 2884 return err; 2885 } 2886 } 2887 /* enable hw controlled mode */ 2888 reg = readl_relaxed(clk_base + PLLU_BASE); 2889 reg &= ~PLLU_BASE_OVERRIDE; 2890 writel(reg, clk_base + PLLU_BASE); 2891 2892 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2893 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE | 2894 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT | 2895 PLLU_HW_PWRDN_CFG0_USE_LOCKDET; 2896 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL | 2897 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL); 2898 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2899 2900 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0); 2901 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK; 2902 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0); 2903 fence_udelay(1, clk_base); 2904 2905 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0); 2906 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE; 2907 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0); 2908 fence_udelay(1, clk_base); 2909 2910 reg = readl_relaxed(clk_base + PLLU_BASE); 2911 reg &= ~PLLU_BASE_CLKENABLE_USB; 2912 writel_relaxed(reg, clk_base + PLLU_BASE); 2913 } 2914 2915 /* enable UTMIPLL hw control if not yet done by the bootloader */ 2916 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0); 2917 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE)) 2918 tegra210_utmi_param_configure(); 2919 2920 return 0; 2921 } 2922 2923 /* 2924 * The SOR hardware blocks are driven by two clocks: a module clock that is 2925 * used to access registers and a pixel clock that is sourced from the same 2926 * pixel clock that also drives the head attached to the SOR. The module 2927 * clock is typically called sorX (with X being the SOR instance) and the 2928 * pixel clock is called sorX_out. The source for the SOR pixel clock is 2929 * referred to as the "parent" clock. 2930 * 2931 * On Tegra186 and newer, clocks are provided by the BPMP. Unfortunately the 2932 * BPMP implementation for the SOR clocks doesn't exactly match the above in 2933 * some aspects. For example, the SOR module is really clocked by the pad or 2934 * sor_safe clocks, but BPMP models the sorX clock as being sourced by the 2935 * pixel clocks. Conversely the sorX_out clock is sourced by the sor_safe or 2936 * pad clocks on BPMP. 2937 * 2938 * In order to allow the display driver to deal with all SoC generations in 2939 * a unified way, implement the BPMP semantics in this driver. 2940 */ 2941 2942 static const char * const sor0_parents[] = { 2943 "pll_d_out0", 2944 }; 2945 2946 static const char * const sor0_out_parents[] = { 2947 "sor_safe", "sor0_pad_clkout", 2948 }; 2949 2950 static const char * const sor1_parents[] = { 2951 "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m", 2952 }; 2953 2954 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 }; 2955 2956 static const char * const sor1_out_parents[] = { 2957 /* 2958 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so 2959 * the sor1_pad_clkout parent appears twice in the list below. This is 2960 * merely to support clk_get_parent() if firmware happened to set 2961 * these bits to 0b11. While not an invalid setting, code should 2962 * always set the bits to 0b01 to select sor1_pad_clkout. 2963 */ 2964 "sor_safe", "sor1_pad_clkout", "sor1_out", "sor1_pad_clkout", 2965 }; 2966 2967 static struct tegra_periph_init_data tegra210_periph[] = { 2968 /* 2969 * On Tegra210, the sor0 clock doesn't have a mux it bitfield 31:29, 2970 * but it is hardwired to the pll_d_out0 clock. 2971 */ 2972 TEGRA_INIT_DATA_TABLE("sor0", NULL, NULL, sor0_parents, 2973 CLK_SOURCE_SOR0, 29, 0x0, 0, 0, 0, 0, 2974 0, 182, 0, tegra_clk_sor0, NULL, 0, 2975 &sor0_lock), 2976 TEGRA_INIT_DATA_TABLE("sor0_out", NULL, NULL, sor0_out_parents, 2977 CLK_SOURCE_SOR0, 14, 0x1, 0, 0, 0, 0, 2978 0, 0, TEGRA_PERIPH_NO_GATE, tegra_clk_sor0_out, 2979 NULL, 0, &sor0_lock), 2980 TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents, 2981 CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1, 2982 TEGRA_DIVIDER_ROUND_UP, 183, 0, 2983 tegra_clk_sor1, sor1_parents_idx, 0, 2984 &sor1_lock), 2985 TEGRA_INIT_DATA_TABLE("sor1_out", NULL, NULL, sor1_out_parents, 2986 CLK_SOURCE_SOR1, 14, 0x3, 0, 0, 0, 0, 2987 0, 0, TEGRA_PERIPH_NO_GATE, 2988 tegra_clk_sor1_out, NULL, 0, &sor1_lock), 2989 }; 2990 2991 static const char * const la_parents[] = { 2992 "pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0" 2993 }; 2994 2995 static struct tegra_clk_periph tegra210_la = 2996 TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, NULL); 2997 2998 static __init void tegra210_periph_clk_init(void __iomem *clk_base, 2999 void __iomem *pmc_base) 3000 { 3001 struct clk *clk; 3002 unsigned int i; 3003 3004 /* xusb_ss_div2 */ 3005 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, 3006 1, 2); 3007 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk; 3008 3009 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base, 3010 1, 17, 222); 3011 clks[TEGRA210_CLK_SOR_SAFE] = clk; 3012 3013 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base, 3014 1, 17, 181); 3015 clks[TEGRA210_CLK_DPAUX] = clk; 3016 3017 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base, 3018 1, 17, 207); 3019 clks[TEGRA210_CLK_DPAUX1] = clk; 3020 3021 /* pll_d_dsi_out */ 3022 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, 3023 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); 3024 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk; 3025 3026 /* dsia */ 3027 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0, 3028 clk_base, 0, 48, 3029 periph_clk_enb_refcnt); 3030 clks[TEGRA210_CLK_DSIA] = clk; 3031 3032 /* dsib */ 3033 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0, 3034 clk_base, 0, 82, 3035 periph_clk_enb_refcnt); 3036 clks[TEGRA210_CLK_DSIB] = clk; 3037 3038 /* la */ 3039 clk = tegra_clk_register_periph("la", la_parents, 3040 ARRAY_SIZE(la_parents), &tegra210_la, clk_base, 3041 CLK_SOURCE_LA, 0); 3042 clks[TEGRA210_CLK_LA] = clk; 3043 3044 /* emc mux */ 3045 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, 3046 ARRAY_SIZE(mux_pllmcp_clkm), 0, 3047 clk_base + CLK_SOURCE_EMC, 3048 29, 3, 0, &emc_lock); 3049 3050 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, 3051 &emc_lock); 3052 clks[TEGRA210_CLK_MC] = clk; 3053 3054 /* cml0 */ 3055 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 3056 0, 0, &pll_e_lock); 3057 clk_register_clkdev(clk, "cml0", NULL); 3058 clks[TEGRA210_CLK_CML0] = clk; 3059 3060 /* cml1 */ 3061 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 3062 1, 0, &pll_e_lock); 3063 clk_register_clkdev(clk, "cml1", NULL); 3064 clks[TEGRA210_CLK_CML1] = clk; 3065 3066 clk = tegra_clk_register_super_clk("aclk", aclk_parents, 3067 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0, 3068 0, NULL); 3069 clks[TEGRA210_CLK_ACLK] = clk; 3070 3071 clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base, 3072 CLK_SOURCE_SDMMC2, 9, 3073 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3074 clks[TEGRA210_CLK_SDMMC2] = clk; 3075 3076 clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base, 3077 CLK_SOURCE_SDMMC4, 15, 3078 TEGRA_DIVIDER_ROUND_UP, 0, NULL); 3079 clks[TEGRA210_CLK_SDMMC4] = clk; 3080 3081 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) { 3082 struct tegra_periph_init_data *init = &tegra210_periph[i]; 3083 struct clk **clkp; 3084 3085 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks); 3086 if (!clkp) { 3087 pr_warn("clock %u not found\n", init->clk_id); 3088 continue; 3089 } 3090 3091 clk = tegra_clk_register_periph_data(clk_base, init); 3092 *clkp = clk; 3093 } 3094 3095 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); 3096 } 3097 3098 static void __init tegra210_pll_init(void __iomem *clk_base, 3099 void __iomem *pmc) 3100 { 3101 struct clk *clk; 3102 3103 /* PLLC */ 3104 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base, 3105 pmc, 0, &pll_c_params, NULL); 3106 if (!WARN_ON(IS_ERR(clk))) 3107 clk_register_clkdev(clk, "pll_c", NULL); 3108 clks[TEGRA210_CLK_PLL_C] = clk; 3109 3110 /* PLLC_OUT1 */ 3111 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 3112 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3113 8, 8, 1, NULL); 3114 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 3115 clk_base + PLLC_OUT, 1, 0, 3116 CLK_SET_RATE_PARENT, 0, NULL); 3117 clk_register_clkdev(clk, "pll_c_out1", NULL); 3118 clks[TEGRA210_CLK_PLL_C_OUT1] = clk; 3119 3120 /* PLLC_UD */ 3121 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c", 3122 CLK_SET_RATE_PARENT, 1, 1); 3123 clk_register_clkdev(clk, "pll_c_ud", NULL); 3124 clks[TEGRA210_CLK_PLL_C_UD] = clk; 3125 3126 /* PLLC2 */ 3127 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base, 3128 pmc, 0, &pll_c2_params, NULL); 3129 clk_register_clkdev(clk, "pll_c2", NULL); 3130 clks[TEGRA210_CLK_PLL_C2] = clk; 3131 3132 /* PLLC3 */ 3133 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base, 3134 pmc, 0, &pll_c3_params, NULL); 3135 clk_register_clkdev(clk, "pll_c3", NULL); 3136 clks[TEGRA210_CLK_PLL_C3] = clk; 3137 3138 /* PLLM */ 3139 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc, 3140 CLK_SET_RATE_GATE, &pll_m_params, NULL); 3141 clk_register_clkdev(clk, "pll_m", NULL); 3142 clks[TEGRA210_CLK_PLL_M] = clk; 3143 3144 /* PLLMB */ 3145 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc, 3146 CLK_SET_RATE_GATE, &pll_mb_params, NULL); 3147 clk_register_clkdev(clk, "pll_mb", NULL); 3148 clks[TEGRA210_CLK_PLL_MB] = clk; 3149 3150 /* PLLM_UD */ 3151 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", 3152 CLK_SET_RATE_PARENT, 1, 1); 3153 clk_register_clkdev(clk, "pll_m_ud", NULL); 3154 clks[TEGRA210_CLK_PLL_M_UD] = clk; 3155 3156 /* PLLU_VCO */ 3157 if (!tegra210_init_pllu()) { 3158 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0, 3159 480*1000*1000); 3160 clk_register_clkdev(clk, "pll_u_vco", NULL); 3161 clks[TEGRA210_CLK_PLL_U] = clk; 3162 } 3163 3164 /* PLLU_OUT */ 3165 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0, 3166 clk_base + PLLU_BASE, 16, 4, 0, 3167 pll_vco_post_div_table, NULL); 3168 clk_register_clkdev(clk, "pll_u_out", NULL); 3169 clks[TEGRA210_CLK_PLL_U_OUT] = clk; 3170 3171 /* PLLU_OUT1 */ 3172 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out", 3173 clk_base + PLLU_OUTA, 0, 3174 TEGRA_DIVIDER_ROUND_UP, 3175 8, 8, 1, &pll_u_lock); 3176 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div", 3177 clk_base + PLLU_OUTA, 1, 0, 3178 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3179 clk_register_clkdev(clk, "pll_u_out1", NULL); 3180 clks[TEGRA210_CLK_PLL_U_OUT1] = clk; 3181 3182 /* PLLU_OUT2 */ 3183 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out", 3184 clk_base + PLLU_OUTA, 0, 3185 TEGRA_DIVIDER_ROUND_UP, 3186 24, 8, 1, &pll_u_lock); 3187 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div", 3188 clk_base + PLLU_OUTA, 17, 16, 3189 CLK_SET_RATE_PARENT, 0, &pll_u_lock); 3190 clk_register_clkdev(clk, "pll_u_out2", NULL); 3191 clks[TEGRA210_CLK_PLL_U_OUT2] = clk; 3192 3193 /* PLLU_480M */ 3194 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco", 3195 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3196 22, 0, &pll_u_lock); 3197 clk_register_clkdev(clk, "pll_u_480M", NULL); 3198 clks[TEGRA210_CLK_PLL_U_480M] = clk; 3199 3200 /* PLLU_60M */ 3201 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2", 3202 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3203 23, 0, &pll_u_lock); 3204 clk_register_clkdev(clk, "pll_u_60M", NULL); 3205 clks[TEGRA210_CLK_PLL_U_60M] = clk; 3206 3207 /* PLLU_48M */ 3208 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1", 3209 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, 3210 25, 0, &pll_u_lock); 3211 clk_register_clkdev(clk, "pll_u_48M", NULL); 3212 clks[TEGRA210_CLK_PLL_U_48M] = clk; 3213 3214 /* PLLD */ 3215 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, 3216 &pll_d_params, &pll_d_lock); 3217 clk_register_clkdev(clk, "pll_d", NULL); 3218 clks[TEGRA210_CLK_PLL_D] = clk; 3219 3220 /* PLLD_OUT0 */ 3221 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 3222 CLK_SET_RATE_PARENT, 1, 2); 3223 clk_register_clkdev(clk, "pll_d_out0", NULL); 3224 clks[TEGRA210_CLK_PLL_D_OUT0] = clk; 3225 3226 /* PLLRE */ 3227 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref", 3228 clk_base, pmc, 0, 3229 &pll_re_vco_params, 3230 &pll_re_lock, pll_ref_freq); 3231 clk_register_clkdev(clk, "pll_re_vco", NULL); 3232 clks[TEGRA210_CLK_PLL_RE_VCO] = clk; 3233 3234 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, 3235 clk_base + PLLRE_BASE, 16, 5, 0, 3236 pll_vco_post_div_table, &pll_re_lock); 3237 clk_register_clkdev(clk, "pll_re_out", NULL); 3238 clks[TEGRA210_CLK_PLL_RE_OUT] = clk; 3239 3240 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco", 3241 clk_base + PLLRE_OUT1, 0, 3242 TEGRA_DIVIDER_ROUND_UP, 3243 8, 8, 1, NULL); 3244 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div", 3245 clk_base + PLLRE_OUT1, 1, 0, 3246 CLK_SET_RATE_PARENT, 0, NULL); 3247 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk; 3248 3249 /* PLLE */ 3250 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref", 3251 clk_base, 0, &pll_e_params, NULL); 3252 clk_register_clkdev(clk, "pll_e", NULL); 3253 clks[TEGRA210_CLK_PLL_E] = clk; 3254 3255 /* PLLC4 */ 3256 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc, 3257 0, &pll_c4_vco_params, NULL, pll_ref_freq); 3258 clk_register_clkdev(clk, "pll_c4_vco", NULL); 3259 clks[TEGRA210_CLK_PLL_C4] = clk; 3260 3261 /* PLLC4_OUT0 */ 3262 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0, 3263 clk_base + PLLC4_BASE, 19, 4, 0, 3264 pll_vco_post_div_table, NULL); 3265 clk_register_clkdev(clk, "pll_c4_out0", NULL); 3266 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk; 3267 3268 /* PLLC4_OUT1 */ 3269 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco", 3270 CLK_SET_RATE_PARENT, 1, 3); 3271 clk_register_clkdev(clk, "pll_c4_out1", NULL); 3272 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk; 3273 3274 /* PLLC4_OUT2 */ 3275 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco", 3276 CLK_SET_RATE_PARENT, 1, 5); 3277 clk_register_clkdev(clk, "pll_c4_out2", NULL); 3278 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk; 3279 3280 /* PLLC4_OUT3 */ 3281 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0", 3282 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 3283 8, 8, 1, NULL); 3284 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div", 3285 clk_base + PLLC4_OUT, 1, 0, 3286 CLK_SET_RATE_PARENT, 0, NULL); 3287 clk_register_clkdev(clk, "pll_c4_out3", NULL); 3288 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk; 3289 3290 /* PLLDP */ 3291 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base, 3292 0, &pll_dp_params, NULL); 3293 clk_register_clkdev(clk, "pll_dp", NULL); 3294 clks[TEGRA210_CLK_PLL_DP] = clk; 3295 3296 /* PLLD2 */ 3297 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base, 3298 0, &pll_d2_params, NULL); 3299 clk_register_clkdev(clk, "pll_d2", NULL); 3300 clks[TEGRA210_CLK_PLL_D2] = clk; 3301 3302 /* PLLD2_OUT0 */ 3303 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 3304 CLK_SET_RATE_PARENT, 1, 1); 3305 clk_register_clkdev(clk, "pll_d2_out0", NULL); 3306 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk; 3307 3308 /* PLLP_OUT2 */ 3309 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p", 3310 CLK_SET_RATE_PARENT, 1, 2); 3311 clk_register_clkdev(clk, "pll_p_out2", NULL); 3312 clks[TEGRA210_CLK_PLL_P_OUT2] = clk; 3313 3314 } 3315 3316 /* Tegra210 CPU clock and reset control functions */ 3317 static void tegra210_wait_cpu_in_reset(u32 cpu) 3318 { 3319 unsigned int reg; 3320 3321 do { 3322 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 3323 cpu_relax(); 3324 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 3325 } 3326 3327 static void tegra210_disable_cpu_clock(u32 cpu) 3328 { 3329 /* flow controller would take care in the power sequence. */ 3330 } 3331 3332 #ifdef CONFIG_PM_SLEEP 3333 #define car_readl(_base, _off) readl_relaxed(clk_base + (_base) + ((_off) * 4)) 3334 #define car_writel(_val, _base, _off) \ 3335 writel_relaxed(_val, clk_base + (_base) + ((_off) * 4)) 3336 3337 static u32 spare_reg_ctx, misc_clk_enb_ctx, clk_msk_arm_ctx; 3338 static u32 cpu_softrst_ctx[3]; 3339 3340 static int tegra210_clk_suspend(void) 3341 { 3342 unsigned int i; 3343 3344 clk_save_context(); 3345 3346 /* 3347 * Save the bootloader configured clock registers SPARE_REG0, 3348 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL. 3349 */ 3350 spare_reg_ctx = readl_relaxed(clk_base + SPARE_REG0); 3351 misc_clk_enb_ctx = readl_relaxed(clk_base + MISC_CLK_ENB); 3352 clk_msk_arm_ctx = readl_relaxed(clk_base + CLK_MASK_ARM); 3353 3354 for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++) 3355 cpu_softrst_ctx[i] = car_readl(CPU_SOFTRST_CTRL, i); 3356 3357 tegra_clk_periph_suspend(); 3358 return 0; 3359 } 3360 3361 static void tegra210_clk_resume(void) 3362 { 3363 unsigned int i; 3364 3365 tegra_clk_osc_resume(clk_base); 3366 3367 /* 3368 * Restore the bootloader configured clock registers SPARE_REG0, 3369 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL from saved context. 3370 */ 3371 writel_relaxed(spare_reg_ctx, clk_base + SPARE_REG0); 3372 writel_relaxed(misc_clk_enb_ctx, clk_base + MISC_CLK_ENB); 3373 writel_relaxed(clk_msk_arm_ctx, clk_base + CLK_MASK_ARM); 3374 3375 for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++) 3376 car_writel(cpu_softrst_ctx[i], CPU_SOFTRST_CTRL, i); 3377 3378 /* 3379 * Tegra clock programming sequence recommends peripheral clock to 3380 * be enabled prior to changing its clock source and divider to 3381 * prevent glitchless frequency switch. 3382 * So, enable all peripheral clocks before restoring their source 3383 * and dividers. 3384 */ 3385 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_L, clk_base + CLK_OUT_ENB_L); 3386 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_H, clk_base + CLK_OUT_ENB_H); 3387 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_U, clk_base + CLK_OUT_ENB_U); 3388 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_V, clk_base + CLK_OUT_ENB_V); 3389 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_W, clk_base + CLK_OUT_ENB_W); 3390 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_X, clk_base + CLK_OUT_ENB_X); 3391 writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_Y, clk_base + CLK_OUT_ENB_Y); 3392 3393 /* wait for all writes to happen to have all the clocks enabled */ 3394 fence_udelay(2, clk_base); 3395 3396 /* restore PLLs and all peripheral clock rates */ 3397 tegra210_init_pllu(); 3398 clk_restore_context(); 3399 3400 /* restore saved context of peripheral clocks and reset state */ 3401 tegra_clk_periph_resume(); 3402 } 3403 3404 static void tegra210_cpu_clock_suspend(void) 3405 { 3406 /* switch coresite to clk_m, save off original source */ 3407 tegra210_cpu_clk_sctx.clk_csite_src = 3408 readl(clk_base + CLK_SOURCE_CSITE); 3409 writel(3 << 30, clk_base + CLK_SOURCE_CSITE); 3410 } 3411 3412 static void tegra210_cpu_clock_resume(void) 3413 { 3414 writel(tegra210_cpu_clk_sctx.clk_csite_src, 3415 clk_base + CLK_SOURCE_CSITE); 3416 } 3417 #endif 3418 3419 static struct syscore_ops tegra_clk_syscore_ops = { 3420 #ifdef CONFIG_PM_SLEEP 3421 .suspend = tegra210_clk_suspend, 3422 .resume = tegra210_clk_resume, 3423 #endif 3424 }; 3425 3426 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = { 3427 .wait_for_reset = tegra210_wait_cpu_in_reset, 3428 .disable_clock = tegra210_disable_cpu_clock, 3429 #ifdef CONFIG_PM_SLEEP 3430 .suspend = tegra210_cpu_clock_suspend, 3431 .resume = tegra210_cpu_clock_resume, 3432 #endif 3433 }; 3434 3435 static const struct of_device_id pmc_match[] __initconst = { 3436 { .compatible = "nvidia,tegra210-pmc" }, 3437 { }, 3438 }; 3439 3440 static struct tegra_clk_init_table init_table[] __initdata = { 3441 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3442 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3443 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3444 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 }, 3445 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 0 }, 3446 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 0 }, 3447 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3448 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3449 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3450 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3451 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, 3452 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 }, 3453 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 }, 3454 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 }, 3455 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3456 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, 3457 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, 3458 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, 3459 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3460 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, 3461 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, 3462 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3463 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 }, 3464 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 }, 3465 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3466 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, 3467 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 }, 3468 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 }, 3469 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3470 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3471 /* TODO find a way to enable this on-demand */ 3472 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3473 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 }, 3474 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 }, 3475 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 }, 3476 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 }, 3477 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 }, 3478 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 }, 3479 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 }, 3480 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 }, 3481 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3482 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, 3483 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, 3484 { TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3485 { TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3486 { TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3487 { TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3488 { TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3489 { TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3490 { TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, 3491 { TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 }, 3492 { TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 }, 3493 /* This MUST be the last entry. */ 3494 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 }, 3495 }; 3496 3497 /** 3498 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs 3499 * 3500 * Program an initial clock rate and enable or disable clocks needed 3501 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be 3502 * called by assigning a pointer to it to tegra_clk_apply_init_table - 3503 * this will be called as an arch_initcall. No return value. 3504 */ 3505 static void __init tegra210_clock_apply_init_table(void) 3506 { 3507 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX); 3508 } 3509 3510 /** 3511 * tegra210_car_barrier - wait for pending writes to the CAR to complete 3512 * 3513 * Wait for any outstanding writes to the CAR MMIO space from this CPU 3514 * to complete before continuing execution. No return value. 3515 */ 3516 static void tegra210_car_barrier(void) 3517 { 3518 readl_relaxed(clk_base + RST_DFLL_DVCO); 3519 } 3520 3521 /** 3522 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset 3523 * 3524 * Assert the reset line of the DFLL's DVCO. No return value. 3525 */ 3526 static void tegra210_clock_assert_dfll_dvco_reset(void) 3527 { 3528 u32 v; 3529 3530 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3531 v |= (1 << DVFS_DFLL_RESET_SHIFT); 3532 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3533 tegra210_car_barrier(); 3534 } 3535 3536 /** 3537 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset 3538 * 3539 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to 3540 * operate. No return value. 3541 */ 3542 static void tegra210_clock_deassert_dfll_dvco_reset(void) 3543 { 3544 u32 v; 3545 3546 v = readl_relaxed(clk_base + RST_DFLL_DVCO); 3547 v &= ~(1 << DVFS_DFLL_RESET_SHIFT); 3548 writel_relaxed(v, clk_base + RST_DFLL_DVCO); 3549 tegra210_car_barrier(); 3550 } 3551 3552 static int tegra210_reset_assert(unsigned long id) 3553 { 3554 if (id == TEGRA210_RST_DFLL_DVCO) 3555 tegra210_clock_assert_dfll_dvco_reset(); 3556 else if (id == TEGRA210_RST_ADSP) 3557 writel(GENMASK(26, 21) | BIT(7), 3558 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET); 3559 else 3560 return -EINVAL; 3561 3562 return 0; 3563 } 3564 3565 static int tegra210_reset_deassert(unsigned long id) 3566 { 3567 if (id == TEGRA210_RST_DFLL_DVCO) 3568 tegra210_clock_deassert_dfll_dvco_reset(); 3569 else if (id == TEGRA210_RST_ADSP) { 3570 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3571 /* 3572 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz) 3573 * a delay of 5us ensures that it's at least 3574 * 6 * adsp_cpu_cycle_period long. 3575 */ 3576 udelay(5); 3577 writel(GENMASK(26, 22) | BIT(7), 3578 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR); 3579 } else 3580 return -EINVAL; 3581 3582 return 0; 3583 } 3584 3585 static void tegra210_mbist_clk_init(void) 3586 { 3587 unsigned int i, j; 3588 3589 for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) { 3590 unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks; 3591 struct clk_bulk_data *clk_data; 3592 3593 if (!num_clks) 3594 continue; 3595 3596 clk_data = kmalloc_array(num_clks, sizeof(*clk_data), 3597 GFP_KERNEL); 3598 if (WARN_ON(!clk_data)) 3599 return; 3600 3601 tegra210_pg_mbist_war[i].clks = clk_data; 3602 for (j = 0; j < num_clks; j++) { 3603 int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j]; 3604 struct clk *clk = clks[clk_id]; 3605 3606 if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) { 3607 kfree(clk_data); 3608 tegra210_pg_mbist_war[i].clks = NULL; 3609 break; 3610 } 3611 clk_data[j].clk = clk; 3612 } 3613 } 3614 } 3615 3616 /** 3617 * tegra210_clock_init - Tegra210-specific clock initialization 3618 * @np: struct device_node * of the DT node for the SoC CAR IP block 3619 * 3620 * Register most SoC clocks for the Tegra210 system-on-chip. Intended 3621 * to be called by the OF init code when a DT node with the 3622 * "nvidia,tegra210-car" string is encountered, and declared with 3623 * CLK_OF_DECLARE. No return value. 3624 */ 3625 static void __init tegra210_clock_init(struct device_node *np) 3626 { 3627 struct device_node *node; 3628 u32 value, clk_m_div; 3629 3630 clk_base = of_iomap(np, 0); 3631 if (!clk_base) { 3632 pr_err("ioremap tegra210 CAR failed\n"); 3633 return; 3634 } 3635 3636 node = of_find_matching_node(NULL, pmc_match); 3637 if (!node) { 3638 pr_err("Failed to find pmc node\n"); 3639 WARN_ON(1); 3640 return; 3641 } 3642 3643 pmc_base = of_iomap(node, 0); 3644 if (!pmc_base) { 3645 pr_err("Can't map pmc registers\n"); 3646 WARN_ON(1); 3647 return; 3648 } 3649 3650 ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K); 3651 if (!ahub_base) { 3652 pr_err("ioremap tegra210 APE failed\n"); 3653 return; 3654 } 3655 3656 dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K); 3657 if (!dispa_base) { 3658 pr_err("ioremap tegra210 DISPA failed\n"); 3659 return; 3660 } 3661 3662 vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K); 3663 if (!vic_base) { 3664 pr_err("ioremap tegra210 VIC failed\n"); 3665 return; 3666 } 3667 3668 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX, 3669 TEGRA210_CAR_BANK_COUNT); 3670 if (!clks) 3671 return; 3672 3673 value = readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT; 3674 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1; 3675 3676 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq, 3677 ARRAY_SIZE(tegra210_input_freq), clk_m_div, 3678 &osc_freq, &pll_ref_freq) < 0) 3679 return; 3680 3681 tegra_fixed_clk_init(tegra210_clks); 3682 tegra210_pll_init(clk_base, pmc_base); 3683 tegra210_periph_clk_init(clk_base, pmc_base); 3684 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, 3685 tegra210_audio_plls, 3686 ARRAY_SIZE(tegra210_audio_plls), 24576000); 3687 3688 /* For Tegra210, PLLD is the only source for DSIA & DSIB */ 3689 value = readl(clk_base + PLLD_BASE); 3690 value &= ~BIT(25); 3691 writel(value, clk_base + PLLD_BASE); 3692 3693 tegra_clk_apply_init_table = tegra210_clock_apply_init_table; 3694 3695 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks, 3696 &pll_x_params); 3697 tegra_init_special_resets(2, tegra210_reset_assert, 3698 tegra210_reset_deassert); 3699 3700 tegra_add_of_provider(np, of_clk_src_onecell_get); 3701 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 3702 3703 tegra210_mbist_clk_init(); 3704 3705 tegra_cpu_car_ops = &tegra210_cpu_car_ops; 3706 3707 register_syscore_ops(&tegra_clk_syscore_ops); 3708 } 3709 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init); 3710