root/drivers/clk/tegra/clk-tegra210.c

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DEFINITIONS

This source file includes following definitions.
  1. tegra210_xusb_pll_hw_control_enable
  2. tegra210_xusb_pll_hw_sequence_start
  3. tegra210_sata_pll_hw_control_enable
  4. tegra210_sata_pll_hw_sequence_start
  5. tegra210_set_sata_pll_seq_sw
  6. tegra210_generic_mbist_war
  7. tegra210_venc_mbist_war
  8. tegra210_disp_mbist_war
  9. tegra210_vic_mbist_war
  10. tegra210_ape_mbist_war
  11. _pll_misc_chk_default
  12. pllcx_check_defaults
  13. tegra210_pllcx_set_defaults
  14. _pllc_set_defaults
  15. _pllc2_set_defaults
  16. _pllc3_set_defaults
  17. _plla1_set_defaults
  18. tegra210_plla_set_defaults
  19. tegra210_plld_set_defaults
  20. plldss_defaults
  21. tegra210_plld2_set_defaults
  22. tegra210_plldp_set_defaults
  23. tegra210_pllc4_set_defaults
  24. tegra210_pllre_set_defaults
  25. pllx_get_dyn_steps
  26. pllx_check_defaults
  27. tegra210_pllx_set_defaults
  28. tegra210_pllmb_set_defaults
  29. pllp_check_defaults
  30. tegra210_pllp_set_defaults
  31. pllu_check_defaults
  32. tegra210_pllu_set_defaults
  33. tegra210_wait_for_mask
  34. tegra210_pllx_dyn_ramp
  35. tegra210_pll_fixed_mdiv_cfg
  36. tegra210_clk_pll_set_gain
  37. tegra210_clk_adjust_vco_min
  38. pll_qlin_p_to_pdiv
  39. pll_expo_p_to_pdiv
  40. tegra210_clk_handle_mbist_war
  41. tegra210_put_utmipll_in_iddq
  42. tegra210_put_utmipll_out_iddq
  43. tegra210_utmi_param_configure
  44. tegra210_enable_pllu
  45. tegra210_init_pllu
  46. tegra210_periph_clk_init
  47. tegra210_pll_init
  48. tegra210_wait_cpu_in_reset
  49. tegra210_disable_cpu_clock
  50. tegra210_cpu_clock_suspend
  51. tegra210_cpu_clock_resume
  52. tegra210_clock_apply_init_table
  53. tegra210_car_barrier
  54. tegra210_clock_assert_dfll_dvco_reset
  55. tegra210_clock_deassert_dfll_dvco_reset
  56. tegra210_reset_assert
  57. tegra210_reset_deassert
  58. tegra210_mbist_clk_init
  59. tegra210_clock_init

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2012-2014 NVIDIA CORPORATION.  All rights reserved.
   4  */
   5 
   6 #include <linux/io.h>
   7 #include <linux/clk.h>
   8 #include <linux/clk-provider.h>
   9 #include <linux/clkdev.h>
  10 #include <linux/of.h>
  11 #include <linux/of_address.h>
  12 #include <linux/delay.h>
  13 #include <linux/export.h>
  14 #include <linux/mutex.h>
  15 #include <linux/clk/tegra.h>
  16 #include <dt-bindings/clock/tegra210-car.h>
  17 #include <dt-bindings/reset/tegra210-car.h>
  18 #include <linux/iopoll.h>
  19 #include <linux/sizes.h>
  20 #include <soc/tegra/pmc.h>
  21 
  22 #include "clk.h"
  23 #include "clk-id.h"
  24 
  25 /*
  26  * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
  27  * banks present in the Tegra210 CAR IP block.  The banks are
  28  * identified by single letters, e.g.: L, H, U, V, W, X, Y.  See
  29  * periph_regs[] in drivers/clk/tegra/clk.c
  30  */
  31 #define TEGRA210_CAR_BANK_COUNT                 7
  32 
  33 #define CLK_SOURCE_CSITE 0x1d4
  34 #define CLK_SOURCE_EMC 0x19c
  35 #define CLK_SOURCE_SOR1 0x410
  36 #define CLK_SOURCE_LA 0x1f8
  37 #define CLK_SOURCE_SDMMC2 0x154
  38 #define CLK_SOURCE_SDMMC4 0x164
  39 
  40 #define PLLC_BASE 0x80
  41 #define PLLC_OUT 0x84
  42 #define PLLC_MISC0 0x88
  43 #define PLLC_MISC1 0x8c
  44 #define PLLC_MISC2 0x5d0
  45 #define PLLC_MISC3 0x5d4
  46 
  47 #define PLLC2_BASE 0x4e8
  48 #define PLLC2_MISC0 0x4ec
  49 #define PLLC2_MISC1 0x4f0
  50 #define PLLC2_MISC2 0x4f4
  51 #define PLLC2_MISC3 0x4f8
  52 
  53 #define PLLC3_BASE 0x4fc
  54 #define PLLC3_MISC0 0x500
  55 #define PLLC3_MISC1 0x504
  56 #define PLLC3_MISC2 0x508
  57 #define PLLC3_MISC3 0x50c
  58 
  59 #define PLLM_BASE 0x90
  60 #define PLLM_MISC1 0x98
  61 #define PLLM_MISC2 0x9c
  62 #define PLLP_BASE 0xa0
  63 #define PLLP_MISC0 0xac
  64 #define PLLP_MISC1 0x680
  65 #define PLLA_BASE 0xb0
  66 #define PLLA_MISC0 0xbc
  67 #define PLLA_MISC1 0xb8
  68 #define PLLA_MISC2 0x5d8
  69 #define PLLD_BASE 0xd0
  70 #define PLLD_MISC0 0xdc
  71 #define PLLD_MISC1 0xd8
  72 #define PLLU_BASE 0xc0
  73 #define PLLU_OUTA 0xc4
  74 #define PLLU_MISC0 0xcc
  75 #define PLLU_MISC1 0xc8
  76 #define PLLX_BASE 0xe0
  77 #define PLLX_MISC0 0xe4
  78 #define PLLX_MISC1 0x510
  79 #define PLLX_MISC2 0x514
  80 #define PLLX_MISC3 0x518
  81 #define PLLX_MISC4 0x5f0
  82 #define PLLX_MISC5 0x5f4
  83 #define PLLE_BASE 0xe8
  84 #define PLLE_MISC0 0xec
  85 #define PLLD2_BASE 0x4b8
  86 #define PLLD2_MISC0 0x4bc
  87 #define PLLD2_MISC1 0x570
  88 #define PLLD2_MISC2 0x574
  89 #define PLLD2_MISC3 0x578
  90 #define PLLE_AUX 0x48c
  91 #define PLLRE_BASE 0x4c4
  92 #define PLLRE_MISC0 0x4c8
  93 #define PLLRE_OUT1 0x4cc
  94 #define PLLDP_BASE 0x590
  95 #define PLLDP_MISC 0x594
  96 
  97 #define PLLC4_BASE 0x5a4
  98 #define PLLC4_MISC0 0x5a8
  99 #define PLLC4_OUT 0x5e4
 100 #define PLLMB_BASE 0x5e8
 101 #define PLLMB_MISC1 0x5ec
 102 #define PLLA1_BASE 0x6a4
 103 #define PLLA1_MISC0 0x6a8
 104 #define PLLA1_MISC1 0x6ac
 105 #define PLLA1_MISC2 0x6b0
 106 #define PLLA1_MISC3 0x6b4
 107 
 108 #define PLLU_IDDQ_BIT 31
 109 #define PLLCX_IDDQ_BIT 27
 110 #define PLLRE_IDDQ_BIT 24
 111 #define PLLA_IDDQ_BIT 25
 112 #define PLLD_IDDQ_BIT 20
 113 #define PLLSS_IDDQ_BIT 18
 114 #define PLLM_IDDQ_BIT 5
 115 #define PLLMB_IDDQ_BIT 17
 116 #define PLLXP_IDDQ_BIT 3
 117 
 118 #define PLLCX_RESET_BIT 30
 119 
 120 #define PLL_BASE_LOCK BIT(27)
 121 #define PLLCX_BASE_LOCK BIT(26)
 122 #define PLLE_MISC_LOCK BIT(11)
 123 #define PLLRE_MISC_LOCK BIT(27)
 124 
 125 #define PLL_MISC_LOCK_ENABLE 18
 126 #define PLLC_MISC_LOCK_ENABLE 24
 127 #define PLLDU_MISC_LOCK_ENABLE 22
 128 #define PLLU_MISC_LOCK_ENABLE 29
 129 #define PLLE_MISC_LOCK_ENABLE 9
 130 #define PLLRE_MISC_LOCK_ENABLE 30
 131 #define PLLSS_MISC_LOCK_ENABLE 30
 132 #define PLLP_MISC_LOCK_ENABLE 18
 133 #define PLLM_MISC_LOCK_ENABLE 4
 134 #define PLLMB_MISC_LOCK_ENABLE 16
 135 #define PLLA_MISC_LOCK_ENABLE 28
 136 #define PLLU_MISC_LOCK_ENABLE 29
 137 #define PLLD_MISC_LOCK_ENABLE 18
 138 
 139 #define PLLA_SDM_DIN_MASK 0xffff
 140 #define PLLA_SDM_EN_MASK BIT(26)
 141 
 142 #define PLLD_SDM_EN_MASK BIT(16)
 143 
 144 #define PLLD2_SDM_EN_MASK BIT(31)
 145 #define PLLD2_SSC_EN_MASK 0
 146 
 147 #define PLLDP_SS_CFG    0x598
 148 #define PLLDP_SDM_EN_MASK BIT(31)
 149 #define PLLDP_SSC_EN_MASK BIT(30)
 150 #define PLLDP_SS_CTRL1  0x59c
 151 #define PLLDP_SS_CTRL2  0x5a0
 152 
 153 #define PMC_PLLM_WB0_OVERRIDE 0x1dc
 154 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
 155 
 156 #define UTMIP_PLL_CFG2 0x488
 157 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
 158 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
 159 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
 160 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
 161 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
 162 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
 163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
 164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
 165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
 166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
 167 
 168 #define UTMIP_PLL_CFG1 0x484
 169 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
 170 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
 171 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
 172 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
 173 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
 174 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
 175 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
 176 
 177 #define SATA_PLL_CFG0                           0x490
 178 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL        BIT(0)
 179 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET        BIT(2)
 180 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL         BIT(4)
 181 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE        BIT(5)
 182 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE      BIT(6)
 183 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE    BIT(7)
 184 
 185 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ         BIT(13)
 186 #define SATA_PLL_CFG0_SEQ_ENABLE                BIT(24)
 187 
 188 #define XUSBIO_PLL_CFG0                         0x51c
 189 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL      BIT(0)
 190 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL        BIT(2)
 191 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET      BIT(6)
 192 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ       BIT(13)
 193 #define XUSBIO_PLL_CFG0_SEQ_ENABLE              BIT(24)
 194 
 195 #define UTMIPLL_HW_PWRDN_CFG0                   0x52c
 196 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK      BIT(31)
 197 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE   BIT(25)
 198 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE        BIT(24)
 199 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE   BIT(7)
 200 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET       BIT(6)
 201 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE     BIT(5)
 202 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL      BIT(4)
 203 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL  BIT(2)
 204 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE     BIT(1)
 205 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL        BIT(0)
 206 
 207 #define PLLU_HW_PWRDN_CFG0                      0x530
 208 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE      BIT(28)
 209 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE           BIT(24)
 210 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT    BIT(7)
 211 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET          BIT(6)
 212 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL     BIT(2)
 213 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL     BIT(0)
 214 
 215 #define XUSB_PLL_CFG0                           0x534
 216 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY          0x3ff
 217 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK        (0x3ff << 14)
 218 
 219 #define SPARE_REG0 0x55c
 220 #define CLK_M_DIVISOR_SHIFT 2
 221 #define CLK_M_DIVISOR_MASK 0x3
 222 
 223 #define RST_DFLL_DVCO 0x2f4
 224 #define DVFS_DFLL_RESET_SHIFT 0
 225 
 226 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
 227 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
 228 
 229 #define LVL2_CLK_GATE_OVRA 0xf8
 230 #define LVL2_CLK_GATE_OVRC 0x3a0
 231 #define LVL2_CLK_GATE_OVRD 0x3a4
 232 #define LVL2_CLK_GATE_OVRE 0x554
 233 
 234 /* I2S registers to handle during APE MBIST WAR */
 235 #define TEGRA210_I2S_BASE  0x1000
 236 #define TEGRA210_I2S_SIZE  0x100
 237 #define TEGRA210_I2S_CTRLS 5
 238 #define TEGRA210_I2S_CG    0x88
 239 #define TEGRA210_I2S_CTRL  0xa0
 240 
 241 /* DISPA registers to handle during MBIST WAR */
 242 #define DC_CMD_DISPLAY_COMMAND 0xc8
 243 #define DC_COM_DSC_TOP_CTL 0xcf8
 244 
 245 /* VIC register to handle during MBIST WAR */
 246 #define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c
 247 
 248 /* APE, DISPA and VIC base addesses needed for MBIST WAR */
 249 #define TEGRA210_AHUB_BASE  0x702d0000
 250 #define TEGRA210_DISPA_BASE 0x54200000
 251 #define TEGRA210_VIC_BASE  0x54340000
 252 
 253 /*
 254  * SDM fractional divisor is 16-bit 2's complement signed number within
 255  * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
 256  * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
 257  * indicate that SDM is disabled.
 258  *
 259  * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
 260  */
 261 #define PLL_SDM_COEFF BIT(13)
 262 #define sdin_din_to_data(din)   ((u16)((din) ? : 0xFFFFU))
 263 #define sdin_data_to_din(dat)   (((dat) == 0xFFFFU) ? 0 : (s16)dat)
 264 /* This macro returns ndiv effective scaled to SDM range */
 265 #define sdin_get_n_eff(cfg)     ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
 266                 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
 267 
 268 /* Tegra CPU clock and reset control regs */
 269 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS     0x470
 270 
 271 #ifdef CONFIG_PM_SLEEP
 272 static struct cpu_clk_suspend_context {
 273         u32 clk_csite_src;
 274 } tegra210_cpu_clk_sctx;
 275 #endif
 276 
 277 struct tegra210_domain_mbist_war {
 278         void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist);
 279         const u32 lvl2_offset;
 280         const u32 lvl2_mask;
 281         const unsigned int num_clks;
 282         const unsigned int *clk_init_data;
 283         struct clk_bulk_data *clks;
 284 };
 285 
 286 static struct clk **clks;
 287 
 288 static void __iomem *clk_base;
 289 static void __iomem *pmc_base;
 290 static void __iomem *ahub_base;
 291 static void __iomem *dispa_base;
 292 static void __iomem *vic_base;
 293 
 294 static unsigned long osc_freq;
 295 static unsigned long pll_ref_freq;
 296 
 297 static DEFINE_SPINLOCK(pll_d_lock);
 298 static DEFINE_SPINLOCK(pll_e_lock);
 299 static DEFINE_SPINLOCK(pll_re_lock);
 300 static DEFINE_SPINLOCK(pll_u_lock);
 301 static DEFINE_SPINLOCK(sor1_lock);
 302 static DEFINE_SPINLOCK(emc_lock);
 303 static DEFINE_MUTEX(lvl2_ovr_lock);
 304 
 305 /* possible OSC frequencies in Hz */
 306 static unsigned long tegra210_input_freq[] = {
 307         [5] = 38400000,
 308         [8] = 12000000,
 309 };
 310 
 311 static const char *mux_pllmcp_clkm[] = {
 312         "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
 313         "pll_p",
 314 };
 315 #define mux_pllmcp_clkm_idx NULL
 316 
 317 #define PLL_ENABLE                      (1 << 30)
 318 
 319 #define PLLCX_MISC1_IDDQ                (1 << 27)
 320 #define PLLCX_MISC0_RESET               (1 << 30)
 321 
 322 #define PLLCX_MISC0_DEFAULT_VALUE       0x40080000
 323 #define PLLCX_MISC0_WRITE_MASK          0x400ffffb
 324 #define PLLCX_MISC1_DEFAULT_VALUE       0x08000000
 325 #define PLLCX_MISC1_WRITE_MASK          0x08003cff
 326 #define PLLCX_MISC2_DEFAULT_VALUE       0x1f720f05
 327 #define PLLCX_MISC2_WRITE_MASK          0xffffff17
 328 #define PLLCX_MISC3_DEFAULT_VALUE       0x000000c4
 329 #define PLLCX_MISC3_WRITE_MASK          0x00ffffff
 330 
 331 /* PLLA */
 332 #define PLLA_BASE_IDDQ                  (1 << 25)
 333 #define PLLA_BASE_LOCK                  (1 << 27)
 334 
 335 #define PLLA_MISC0_LOCK_ENABLE          (1 << 28)
 336 #define PLLA_MISC0_LOCK_OVERRIDE        (1 << 27)
 337 
 338 #define PLLA_MISC2_EN_SDM               (1 << 26)
 339 #define PLLA_MISC2_EN_DYNRAMP           (1 << 25)
 340 
 341 #define PLLA_MISC0_DEFAULT_VALUE        0x12000020
 342 #define PLLA_MISC0_WRITE_MASK           0x7fffffff
 343 #define PLLA_MISC2_DEFAULT_VALUE        0x0
 344 #define PLLA_MISC2_WRITE_MASK           0x06ffffff
 345 
 346 /* PLLD */
 347 #define PLLD_BASE_CSI_CLKSOURCE         (1 << 23)
 348 
 349 #define PLLD_MISC0_EN_SDM               (1 << 16)
 350 #define PLLD_MISC0_LOCK_OVERRIDE        (1 << 17)
 351 #define PLLD_MISC0_LOCK_ENABLE          (1 << 18)
 352 #define PLLD_MISC0_IDDQ                 (1 << 20)
 353 #define PLLD_MISC0_DSI_CLKENABLE        (1 << 21)
 354 
 355 #define PLLD_MISC0_DEFAULT_VALUE        0x00140000
 356 #define PLLD_MISC0_WRITE_MASK           0x3ff7ffff
 357 #define PLLD_MISC1_DEFAULT_VALUE        0x20
 358 #define PLLD_MISC1_WRITE_MASK           0x00ffffff
 359 
 360 /* PLLD2 and PLLDP  and PLLC4 */
 361 #define PLLDSS_BASE_LOCK                (1 << 27)
 362 #define PLLDSS_BASE_LOCK_OVERRIDE       (1 << 24)
 363 #define PLLDSS_BASE_IDDQ                (1 << 18)
 364 #define PLLDSS_BASE_REF_SEL_SHIFT       25
 365 #define PLLDSS_BASE_REF_SEL_MASK        (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
 366 
 367 #define PLLDSS_MISC0_LOCK_ENABLE        (1 << 30)
 368 
 369 #define PLLDSS_MISC1_CFG_EN_SDM         (1 << 31)
 370 #define PLLDSS_MISC1_CFG_EN_SSC         (1 << 30)
 371 
 372 #define PLLD2_MISC0_DEFAULT_VALUE       0x40000020
 373 #define PLLD2_MISC1_CFG_DEFAULT_VALUE   0x10000000
 374 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
 375 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
 376 
 377 #define PLLDP_MISC0_DEFAULT_VALUE       0x40000020
 378 #define PLLDP_MISC1_CFG_DEFAULT_VALUE   0xc0000000
 379 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
 380 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
 381 
 382 #define PLLDSS_MISC0_WRITE_MASK         0x47ffffff
 383 #define PLLDSS_MISC1_CFG_WRITE_MASK     0xf8000000
 384 #define PLLDSS_MISC2_CTRL1_WRITE_MASK   0xffffffff
 385 #define PLLDSS_MISC3_CTRL2_WRITE_MASK   0xffffffff
 386 
 387 #define PLLC4_MISC0_DEFAULT_VALUE       0x40000000
 388 
 389 /* PLLRE */
 390 #define PLLRE_MISC0_LOCK_ENABLE         (1 << 30)
 391 #define PLLRE_MISC0_LOCK_OVERRIDE       (1 << 29)
 392 #define PLLRE_MISC0_LOCK                (1 << 27)
 393 #define PLLRE_MISC0_IDDQ                (1 << 24)
 394 
 395 #define PLLRE_BASE_DEFAULT_VALUE        0x0
 396 #define PLLRE_MISC0_DEFAULT_VALUE       0x41000000
 397 
 398 #define PLLRE_BASE_DEFAULT_MASK         0x1c000000
 399 #define PLLRE_MISC0_WRITE_MASK          0x67ffffff
 400 
 401 /* PLLX */
 402 #define PLLX_USE_DYN_RAMP               1
 403 #define PLLX_BASE_LOCK                  (1 << 27)
 404 
 405 #define PLLX_MISC0_FO_G_DISABLE         (0x1 << 28)
 406 #define PLLX_MISC0_LOCK_ENABLE          (0x1 << 18)
 407 
 408 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT  24
 409 #define PLLX_MISC2_DYNRAMP_STEPB_MASK   (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
 410 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT  16
 411 #define PLLX_MISC2_DYNRAMP_STEPA_MASK   (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
 412 #define PLLX_MISC2_NDIV_NEW_SHIFT       8
 413 #define PLLX_MISC2_NDIV_NEW_MASK        (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
 414 #define PLLX_MISC2_LOCK_OVERRIDE        (0x1 << 4)
 415 #define PLLX_MISC2_DYNRAMP_DONE         (0x1 << 2)
 416 #define PLLX_MISC2_EN_DYNRAMP           (0x1 << 0)
 417 
 418 #define PLLX_MISC3_IDDQ                 (0x1 << 3)
 419 
 420 #define PLLX_MISC0_DEFAULT_VALUE        PLLX_MISC0_LOCK_ENABLE
 421 #define PLLX_MISC0_WRITE_MASK           0x10c40000
 422 #define PLLX_MISC1_DEFAULT_VALUE        0x20
 423 #define PLLX_MISC1_WRITE_MASK           0x00ffffff
 424 #define PLLX_MISC2_DEFAULT_VALUE        0x0
 425 #define PLLX_MISC2_WRITE_MASK           0xffffff11
 426 #define PLLX_MISC3_DEFAULT_VALUE        PLLX_MISC3_IDDQ
 427 #define PLLX_MISC3_WRITE_MASK           0x01ff0f0f
 428 #define PLLX_MISC4_DEFAULT_VALUE        0x0
 429 #define PLLX_MISC4_WRITE_MASK           0x8000ffff
 430 #define PLLX_MISC5_DEFAULT_VALUE        0x0
 431 #define PLLX_MISC5_WRITE_MASK           0x0000ffff
 432 
 433 #define PLLX_HW_CTRL_CFG                0x548
 434 #define PLLX_HW_CTRL_CFG_SWCTRL         (0x1 << 0)
 435 
 436 /* PLLMB */
 437 #define PLLMB_BASE_LOCK                 (1 << 27)
 438 
 439 #define PLLMB_MISC1_LOCK_OVERRIDE       (1 << 18)
 440 #define PLLMB_MISC1_IDDQ                (1 << 17)
 441 #define PLLMB_MISC1_LOCK_ENABLE         (1 << 16)
 442 
 443 #define PLLMB_MISC1_DEFAULT_VALUE       0x00030000
 444 #define PLLMB_MISC1_WRITE_MASK          0x0007ffff
 445 
 446 /* PLLP */
 447 #define PLLP_BASE_OVERRIDE              (1 << 28)
 448 #define PLLP_BASE_LOCK                  (1 << 27)
 449 
 450 #define PLLP_MISC0_LOCK_ENABLE          (1 << 18)
 451 #define PLLP_MISC0_LOCK_OVERRIDE        (1 << 17)
 452 #define PLLP_MISC0_IDDQ                 (1 << 3)
 453 
 454 #define PLLP_MISC1_HSIO_EN_SHIFT        29
 455 #define PLLP_MISC1_HSIO_EN              (1 << PLLP_MISC1_HSIO_EN_SHIFT)
 456 #define PLLP_MISC1_XUSB_EN_SHIFT        28
 457 #define PLLP_MISC1_XUSB_EN              (1 << PLLP_MISC1_XUSB_EN_SHIFT)
 458 
 459 #define PLLP_MISC0_DEFAULT_VALUE        0x00040008
 460 #define PLLP_MISC1_DEFAULT_VALUE        0x0
 461 
 462 #define PLLP_MISC0_WRITE_MASK           0xdc6000f
 463 #define PLLP_MISC1_WRITE_MASK           0x70ffffff
 464 
 465 /* PLLU */
 466 #define PLLU_BASE_LOCK                  (1 << 27)
 467 #define PLLU_BASE_OVERRIDE              (1 << 24)
 468 #define PLLU_BASE_CLKENABLE_USB         (1 << 21)
 469 #define PLLU_BASE_CLKENABLE_HSIC        (1 << 22)
 470 #define PLLU_BASE_CLKENABLE_ICUSB       (1 << 23)
 471 #define PLLU_BASE_CLKENABLE_48M         (1 << 25)
 472 #define PLLU_BASE_CLKENABLE_ALL         (PLLU_BASE_CLKENABLE_USB |\
 473                                          PLLU_BASE_CLKENABLE_HSIC |\
 474                                          PLLU_BASE_CLKENABLE_ICUSB |\
 475                                          PLLU_BASE_CLKENABLE_48M)
 476 
 477 #define PLLU_MISC0_IDDQ                 (1 << 31)
 478 #define PLLU_MISC0_LOCK_ENABLE          (1 << 29)
 479 #define PLLU_MISC1_LOCK_OVERRIDE        (1 << 0)
 480 
 481 #define PLLU_MISC0_DEFAULT_VALUE        0xa0000000
 482 #define PLLU_MISC1_DEFAULT_VALUE        0x0
 483 
 484 #define PLLU_MISC0_WRITE_MASK           0xbfffffff
 485 #define PLLU_MISC1_WRITE_MASK           0x00000007
 486 
 487 void tegra210_xusb_pll_hw_control_enable(void)
 488 {
 489         u32 val;
 490 
 491         val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
 492         val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
 493                  XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
 494         val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
 495                XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
 496         writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
 497 }
 498 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
 499 
 500 void tegra210_xusb_pll_hw_sequence_start(void)
 501 {
 502         u32 val;
 503 
 504         val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
 505         val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
 506         writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
 507 }
 508 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
 509 
 510 void tegra210_sata_pll_hw_control_enable(void)
 511 {
 512         u32 val;
 513 
 514         val = readl_relaxed(clk_base + SATA_PLL_CFG0);
 515         val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
 516         val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
 517                SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
 518         writel_relaxed(val, clk_base + SATA_PLL_CFG0);
 519 }
 520 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
 521 
 522 void tegra210_sata_pll_hw_sequence_start(void)
 523 {
 524         u32 val;
 525 
 526         val = readl_relaxed(clk_base + SATA_PLL_CFG0);
 527         val |= SATA_PLL_CFG0_SEQ_ENABLE;
 528         writel_relaxed(val, clk_base + SATA_PLL_CFG0);
 529 }
 530 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
 531 
 532 void tegra210_set_sata_pll_seq_sw(bool state)
 533 {
 534         u32 val;
 535 
 536         val = readl_relaxed(clk_base + SATA_PLL_CFG0);
 537         if (state) {
 538                 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
 539                 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
 540                 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
 541                 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
 542         } else {
 543                 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
 544                 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
 545                 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
 546                 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
 547         }
 548         writel_relaxed(val, clk_base + SATA_PLL_CFG0);
 549 }
 550 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
 551 
 552 static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist)
 553 {
 554         u32 val;
 555 
 556         val = readl_relaxed(clk_base + mbist->lvl2_offset);
 557         writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset);
 558         fence_udelay(1, clk_base);
 559         writel_relaxed(val, clk_base + mbist->lvl2_offset);
 560         fence_udelay(1, clk_base);
 561 }
 562 
 563 static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist)
 564 {
 565         u32 csi_src, ovra, ovre;
 566         unsigned long flags = 0;
 567 
 568         spin_lock_irqsave(&pll_d_lock, flags);
 569 
 570         csi_src = readl_relaxed(clk_base + PLLD_BASE);
 571         writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE);
 572         fence_udelay(1, clk_base);
 573 
 574         ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
 575         writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA);
 576         ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
 577         writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE);
 578         fence_udelay(1, clk_base);
 579 
 580         writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
 581         writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
 582         writel_relaxed(csi_src, clk_base + PLLD_BASE);
 583         fence_udelay(1, clk_base);
 584 
 585         spin_unlock_irqrestore(&pll_d_lock, flags);
 586 }
 587 
 588 static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist)
 589 {
 590         u32 ovra, dsc_top_ctrl;
 591 
 592         ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
 593         writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA);
 594         fence_udelay(1, clk_base);
 595 
 596         dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL);
 597         writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL);
 598         readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
 599         writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL);
 600         readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
 601 
 602         writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
 603         fence_udelay(1, clk_base);
 604 }
 605 
 606 static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist)
 607 {
 608         u32 ovre, val;
 609 
 610         ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
 611         writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE);
 612         fence_udelay(1, clk_base);
 613 
 614         val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
 615         writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24),
 616                         vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
 617         fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
 618 
 619         writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
 620         readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
 621 
 622         writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
 623         fence_udelay(1, clk_base);
 624 }
 625 
 626 static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist)
 627 {
 628         void __iomem *i2s_base;
 629         unsigned int i;
 630         u32 ovrc, ovre;
 631 
 632         ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC);
 633         ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
 634         writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC);
 635         writel_relaxed(ovre | BIT(10) | BIT(11),
 636                         clk_base + LVL2_CLK_GATE_OVRE);
 637         fence_udelay(1, clk_base);
 638 
 639         i2s_base = ahub_base + TEGRA210_I2S_BASE;
 640 
 641         for (i = 0; i < TEGRA210_I2S_CTRLS; i++) {
 642                 u32 i2s_ctrl;
 643 
 644                 i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL);
 645                 writel_relaxed(i2s_ctrl | BIT(10),
 646                                 i2s_base + TEGRA210_I2S_CTRL);
 647                 writel_relaxed(0, i2s_base + TEGRA210_I2S_CG);
 648                 readl(i2s_base + TEGRA210_I2S_CG);
 649                 writel_relaxed(1, i2s_base + TEGRA210_I2S_CG);
 650                 writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL);
 651                 readl(i2s_base + TEGRA210_I2S_CTRL);
 652 
 653                 i2s_base += TEGRA210_I2S_SIZE;
 654         }
 655 
 656         writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC);
 657         writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
 658         fence_udelay(1, clk_base);
 659 }
 660 
 661 static inline void _pll_misc_chk_default(void __iomem *base,
 662                                         struct tegra_clk_pll_params *params,
 663                                         u8 misc_num, u32 default_val, u32 mask)
 664 {
 665         u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
 666 
 667         boot_val &= mask;
 668         default_val &= mask;
 669         if (boot_val != default_val) {
 670                 pr_warn("boot misc%d 0x%x: expected 0x%x\n",
 671                         misc_num, boot_val, default_val);
 672                 pr_warn(" (comparison mask = 0x%x)\n", mask);
 673                 params->defaults_set = false;
 674         }
 675 }
 676 
 677 /*
 678  * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
 679  * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
 680  * that changes NDIV only, while PLL is already locked.
 681  */
 682 static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
 683 {
 684         u32 default_val;
 685 
 686         default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
 687         _pll_misc_chk_default(clk_base, params, 0, default_val,
 688                         PLLCX_MISC0_WRITE_MASK);
 689 
 690         default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
 691         _pll_misc_chk_default(clk_base, params, 1, default_val,
 692                         PLLCX_MISC1_WRITE_MASK);
 693 
 694         default_val = PLLCX_MISC2_DEFAULT_VALUE;
 695         _pll_misc_chk_default(clk_base, params, 2, default_val,
 696                         PLLCX_MISC2_WRITE_MASK);
 697 
 698         default_val = PLLCX_MISC3_DEFAULT_VALUE;
 699         _pll_misc_chk_default(clk_base, params, 3, default_val,
 700                         PLLCX_MISC3_WRITE_MASK);
 701 }
 702 
 703 static void tegra210_pllcx_set_defaults(const char *name,
 704                                         struct tegra_clk_pll *pllcx)
 705 {
 706         pllcx->params->defaults_set = true;
 707 
 708         if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
 709                 /* PLL is ON: only check if defaults already set */
 710                 pllcx_check_defaults(pllcx->params);
 711                 if (!pllcx->params->defaults_set)
 712                         pr_warn("%s already enabled. Postponing set full defaults\n",
 713                                 name);
 714                 return;
 715         }
 716 
 717         /* Defaults assert PLL reset, and set IDDQ */
 718         writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
 719                         clk_base + pllcx->params->ext_misc_reg[0]);
 720         writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
 721                         clk_base + pllcx->params->ext_misc_reg[1]);
 722         writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
 723                         clk_base + pllcx->params->ext_misc_reg[2]);
 724         writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
 725                         clk_base + pllcx->params->ext_misc_reg[3]);
 726         udelay(1);
 727 }
 728 
 729 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
 730 {
 731         tegra210_pllcx_set_defaults("PLL_C", pllcx);
 732 }
 733 
 734 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
 735 {
 736         tegra210_pllcx_set_defaults("PLL_C2", pllcx);
 737 }
 738 
 739 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
 740 {
 741         tegra210_pllcx_set_defaults("PLL_C3", pllcx);
 742 }
 743 
 744 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
 745 {
 746         tegra210_pllcx_set_defaults("PLL_A1", pllcx);
 747 }
 748 
 749 /*
 750  * PLLA
 751  * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
 752  * Fractional SDM is allowed to provide exact audio rates.
 753  */
 754 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
 755 {
 756         u32 mask;
 757         u32 val = readl_relaxed(clk_base + plla->params->base_reg);
 758 
 759         plla->params->defaults_set = true;
 760 
 761         if (val & PLL_ENABLE) {
 762                 /*
 763                  * PLL is ON: check if defaults already set, then set those
 764                  * that can be updated in flight.
 765                  */
 766                 if (val & PLLA_BASE_IDDQ) {
 767                         pr_warn("PLL_A boot enabled with IDDQ set\n");
 768                         plla->params->defaults_set = false;
 769                 }
 770 
 771                 pr_warn("PLL_A already enabled. Postponing set full defaults\n");
 772 
 773                 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
 774                 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
 775                 _pll_misc_chk_default(clk_base, plla->params, 0, val,
 776                                 ~mask & PLLA_MISC0_WRITE_MASK);
 777 
 778                 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
 779                 _pll_misc_chk_default(clk_base, plla->params, 2, val,
 780                                 PLLA_MISC2_EN_DYNRAMP);
 781 
 782                 /* Enable lock detect */
 783                 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
 784                 val &= ~mask;
 785                 val |= PLLA_MISC0_DEFAULT_VALUE & mask;
 786                 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
 787                 udelay(1);
 788 
 789                 return;
 790         }
 791 
 792         /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
 793         val |= PLLA_BASE_IDDQ;
 794         writel_relaxed(val, clk_base + plla->params->base_reg);
 795         writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
 796                         clk_base + plla->params->ext_misc_reg[0]);
 797         writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
 798                         clk_base + plla->params->ext_misc_reg[2]);
 799         udelay(1);
 800 }
 801 
 802 /*
 803  * PLLD
 804  * PLL with fractional SDM.
 805  */
 806 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
 807 {
 808         u32 val;
 809         u32 mask = 0xffff;
 810 
 811         plld->params->defaults_set = true;
 812 
 813         if (readl_relaxed(clk_base + plld->params->base_reg) &
 814                         PLL_ENABLE) {
 815 
 816                 /*
 817                  * PLL is ON: check if defaults already set, then set those
 818                  * that can be updated in flight.
 819                  */
 820                 val = PLLD_MISC1_DEFAULT_VALUE;
 821                 _pll_misc_chk_default(clk_base, plld->params, 1,
 822                                 val, PLLD_MISC1_WRITE_MASK);
 823 
 824                 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
 825                 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
 826                 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
 827                         PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
 828                 _pll_misc_chk_default(clk_base, plld->params, 0, val,
 829                                 ~mask & PLLD_MISC0_WRITE_MASK);
 830 
 831                 if (!plld->params->defaults_set)
 832                         pr_warn("PLL_D already enabled. Postponing set full defaults\n");
 833 
 834                 /* Enable lock detect */
 835                 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
 836                 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
 837                 val &= ~mask;
 838                 val |= PLLD_MISC0_DEFAULT_VALUE & mask;
 839                 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
 840                 udelay(1);
 841 
 842                 return;
 843         }
 844 
 845         val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
 846         val &= PLLD_MISC0_DSI_CLKENABLE;
 847         val |= PLLD_MISC0_DEFAULT_VALUE;
 848         /* set IDDQ, enable lock detect, disable SDM */
 849         writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
 850         writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
 851                         plld->params->ext_misc_reg[1]);
 852         udelay(1);
 853 }
 854 
 855 /*
 856  * PLLD2, PLLDP
 857  * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
 858  */
 859 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
 860                 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
 861 {
 862         u32 default_val;
 863         u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
 864 
 865         plldss->params->defaults_set = true;
 866 
 867         if (val & PLL_ENABLE) {
 868 
 869                 /*
 870                  * PLL is ON: check if defaults already set, then set those
 871                  * that can be updated in flight.
 872                  */
 873                 if (val & PLLDSS_BASE_IDDQ) {
 874                         pr_warn("plldss boot enabled with IDDQ set\n");
 875                         plldss->params->defaults_set = false;
 876                 }
 877 
 878                 /* ignore lock enable */
 879                 default_val = misc0_val;
 880                 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
 881                                      PLLDSS_MISC0_WRITE_MASK &
 882                                      (~PLLDSS_MISC0_LOCK_ENABLE));
 883 
 884                 /*
 885                  * If SSC is used, check all settings, otherwise just confirm
 886                  * that SSC is not used on boot as well. Do nothing when using
 887                  * this function for PLLC4 that has only MISC0.
 888                  */
 889                 if (plldss->params->ssc_ctrl_en_mask) {
 890                         default_val = misc1_val;
 891                         _pll_misc_chk_default(clk_base, plldss->params, 1,
 892                                 default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
 893                         default_val = misc2_val;
 894                         _pll_misc_chk_default(clk_base, plldss->params, 2,
 895                                 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
 896                         default_val = misc3_val;
 897                         _pll_misc_chk_default(clk_base, plldss->params, 3,
 898                                 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
 899                 } else if (plldss->params->ext_misc_reg[1]) {
 900                         default_val = misc1_val;
 901                         _pll_misc_chk_default(clk_base, plldss->params, 1,
 902                                 default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
 903                                 (~PLLDSS_MISC1_CFG_EN_SDM));
 904                 }
 905 
 906                 if (!plldss->params->defaults_set)
 907                         pr_warn("%s already enabled. Postponing set full defaults\n",
 908                                  pll_name);
 909 
 910                 /* Enable lock detect */
 911                 if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
 912                         val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
 913                         writel_relaxed(val, clk_base +
 914                                         plldss->params->base_reg);
 915                 }
 916 
 917                 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
 918                 val &= ~PLLDSS_MISC0_LOCK_ENABLE;
 919                 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
 920                 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
 921                 udelay(1);
 922 
 923                 return;
 924         }
 925 
 926         /* set IDDQ, enable lock detect, configure SDM/SSC  */
 927         val |= PLLDSS_BASE_IDDQ;
 928         val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
 929         writel_relaxed(val, clk_base + plldss->params->base_reg);
 930 
 931         /* When using this function for PLLC4 exit here */
 932         if (!plldss->params->ext_misc_reg[1]) {
 933                 writel_relaxed(misc0_val, clk_base +
 934                                 plldss->params->ext_misc_reg[0]);
 935                 udelay(1);
 936                 return;
 937         }
 938 
 939         writel_relaxed(misc0_val, clk_base +
 940                         plldss->params->ext_misc_reg[0]);
 941         /* if SSC used set by 1st enable */
 942         writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
 943                         clk_base + plldss->params->ext_misc_reg[1]);
 944         writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
 945         writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
 946         udelay(1);
 947 }
 948 
 949 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
 950 {
 951         plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
 952                         PLLD2_MISC1_CFG_DEFAULT_VALUE,
 953                         PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
 954                         PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
 955 }
 956 
 957 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
 958 {
 959         plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
 960                         PLLDP_MISC1_CFG_DEFAULT_VALUE,
 961                         PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
 962                         PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
 963 }
 964 
 965 /*
 966  * PLLC4
 967  * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
 968  * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
 969  */
 970 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
 971 {
 972         plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
 973 }
 974 
 975 /*
 976  * PLLRE
 977  * VCO is exposed to the clock tree directly along with post-divider output
 978  */
 979 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
 980 {
 981         u32 mask;
 982         u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
 983 
 984         pllre->params->defaults_set = true;
 985 
 986         if (val & PLL_ENABLE) {
 987                 /*
 988                  * PLL is ON: check if defaults already set, then set those
 989                  * that can be updated in flight.
 990                  */
 991                 val &= PLLRE_BASE_DEFAULT_MASK;
 992                 if (val != PLLRE_BASE_DEFAULT_VALUE) {
 993                         pr_warn("pllre boot base 0x%x : expected 0x%x\n",
 994                                 val, PLLRE_BASE_DEFAULT_VALUE);
 995                         pr_warn("(comparison mask = 0x%x)\n",
 996                                 PLLRE_BASE_DEFAULT_MASK);
 997                         pllre->params->defaults_set = false;
 998                 }
 999 
1000                 /* Ignore lock enable */
1001                 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
1002                 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
1003                 _pll_misc_chk_default(clk_base, pllre->params, 0, val,
1004                                 ~mask & PLLRE_MISC0_WRITE_MASK);
1005 
1006                 /* The PLL doesn't work if it's in IDDQ. */
1007                 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
1008                 if (val & PLLRE_MISC0_IDDQ)
1009                         pr_warn("unexpected IDDQ bit set for enabled clock\n");
1010 
1011                 /* Enable lock detect */
1012                 val &= ~mask;
1013                 val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
1014                 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
1015                 udelay(1);
1016 
1017                 if (!pllre->params->defaults_set)
1018                         pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
1019 
1020                 return;
1021         }
1022 
1023         /* set IDDQ, enable lock detect */
1024         val &= ~PLLRE_BASE_DEFAULT_MASK;
1025         val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
1026         writel_relaxed(val, clk_base + pllre->params->base_reg);
1027         writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
1028                         clk_base + pllre->params->ext_misc_reg[0]);
1029         udelay(1);
1030 }
1031 
1032 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
1033 {
1034         unsigned long input_rate;
1035 
1036         /* cf rate */
1037         if (!IS_ERR_OR_NULL(hw->clk))
1038                 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
1039         else
1040                 input_rate = 38400000;
1041 
1042         input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
1043 
1044         switch (input_rate) {
1045         case 12000000:
1046         case 12800000:
1047         case 13000000:
1048                 *step_a = 0x2B;
1049                 *step_b = 0x0B;
1050                 return;
1051         case 19200000:
1052                 *step_a = 0x12;
1053                 *step_b = 0x08;
1054                 return;
1055         case 38400000:
1056                 *step_a = 0x04;
1057                 *step_b = 0x05;
1058                 return;
1059         default:
1060                 pr_err("%s: Unexpected reference rate %lu\n",
1061                         __func__, input_rate);
1062                 BUG();
1063         }
1064 }
1065 
1066 static void pllx_check_defaults(struct tegra_clk_pll *pll)
1067 {
1068         u32 default_val;
1069 
1070         default_val = PLLX_MISC0_DEFAULT_VALUE;
1071         /* ignore lock enable */
1072         _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
1073                         PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
1074 
1075         default_val = PLLX_MISC1_DEFAULT_VALUE;
1076         _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
1077                         PLLX_MISC1_WRITE_MASK);
1078 
1079         /* ignore all but control bit */
1080         default_val = PLLX_MISC2_DEFAULT_VALUE;
1081         _pll_misc_chk_default(clk_base, pll->params, 2,
1082                         default_val, PLLX_MISC2_EN_DYNRAMP);
1083 
1084         default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
1085         _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
1086                         PLLX_MISC3_WRITE_MASK);
1087 
1088         default_val = PLLX_MISC4_DEFAULT_VALUE;
1089         _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
1090                         PLLX_MISC4_WRITE_MASK);
1091 
1092         default_val = PLLX_MISC5_DEFAULT_VALUE;
1093         _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
1094                         PLLX_MISC5_WRITE_MASK);
1095 }
1096 
1097 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
1098 {
1099         u32 val;
1100         u32 step_a, step_b;
1101 
1102         pllx->params->defaults_set = true;
1103 
1104         /* Get ready dyn ramp state machine settings */
1105         pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
1106         val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
1107                 (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
1108         val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
1109         val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
1110 
1111         if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
1112 
1113                 /*
1114                  * PLL is ON: check if defaults already set, then set those
1115                  * that can be updated in flight.
1116                  */
1117                 pllx_check_defaults(pllx);
1118 
1119                 if (!pllx->params->defaults_set)
1120                         pr_warn("PLL_X already enabled. Postponing set full defaults\n");
1121                 /* Configure dyn ramp, disable lock override */
1122                 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1123 
1124                 /* Enable lock detect */
1125                 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
1126                 val &= ~PLLX_MISC0_LOCK_ENABLE;
1127                 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
1128                 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
1129                 udelay(1);
1130 
1131                 return;
1132         }
1133 
1134         /* Enable lock detect and CPU output */
1135         writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
1136                         pllx->params->ext_misc_reg[0]);
1137 
1138         /* Setup */
1139         writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
1140                         pllx->params->ext_misc_reg[1]);
1141 
1142         /* Configure dyn ramp state machine, disable lock override */
1143         writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1144 
1145         /* Set IDDQ */
1146         writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
1147                         pllx->params->ext_misc_reg[3]);
1148 
1149         /* Disable SDM */
1150         writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
1151                         pllx->params->ext_misc_reg[4]);
1152         writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
1153                         pllx->params->ext_misc_reg[5]);
1154         udelay(1);
1155 }
1156 
1157 /* PLLMB */
1158 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
1159 {
1160         u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
1161 
1162         pllmb->params->defaults_set = true;
1163 
1164         if (val & PLL_ENABLE) {
1165 
1166                 /*
1167                  * PLL is ON: check if defaults already set, then set those
1168                  * that can be updated in flight.
1169                  */
1170                 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
1171                 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
1172                 _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
1173                                 ~mask & PLLMB_MISC1_WRITE_MASK);
1174 
1175                 if (!pllmb->params->defaults_set)
1176                         pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
1177                 /* Enable lock detect */
1178                 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
1179                 val &= ~mask;
1180                 val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
1181                 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1182                 udelay(1);
1183 
1184                 return;
1185         }
1186 
1187         /* set IDDQ, enable lock detect */
1188         writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
1189                         clk_base + pllmb->params->ext_misc_reg[0]);
1190         udelay(1);
1191 }
1192 
1193 /*
1194  * PLLP
1195  * VCO is exposed to the clock tree directly along with post-divider output.
1196  * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1197  * respectively.
1198  */
1199 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1200 {
1201         u32 val, mask;
1202 
1203         /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1204         val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1205         mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1206         if (!enabled)
1207                 mask |= PLLP_MISC0_IDDQ;
1208         _pll_misc_chk_default(clk_base, pll->params, 0, val,
1209                         ~mask & PLLP_MISC0_WRITE_MASK);
1210 
1211         /* Ignore branch controls */
1212         val = PLLP_MISC1_DEFAULT_VALUE;
1213         mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1214         _pll_misc_chk_default(clk_base, pll->params, 1, val,
1215                         ~mask & PLLP_MISC1_WRITE_MASK);
1216 }
1217 
1218 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
1219 {
1220         u32 mask;
1221         u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1222 
1223         pllp->params->defaults_set = true;
1224 
1225         if (val & PLL_ENABLE) {
1226 
1227                 /*
1228                  * PLL is ON: check if defaults already set, then set those
1229                  * that can be updated in flight.
1230                  */
1231                 pllp_check_defaults(pllp, true);
1232                 if (!pllp->params->defaults_set)
1233                         pr_warn("PLL_P already enabled. Postponing set full defaults\n");
1234 
1235                 /* Enable lock detect */
1236                 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1237                 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1238                 val &= ~mask;
1239                 val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1240                 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1241                 udelay(1);
1242 
1243                 return;
1244         }
1245 
1246         /* set IDDQ, enable lock detect */
1247         writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1248                         clk_base + pllp->params->ext_misc_reg[0]);
1249 
1250         /* Preserve branch control */
1251         val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1252         mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1253         val &= mask;
1254         val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1255         writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1256         udelay(1);
1257 }
1258 
1259 /*
1260  * PLLU
1261  * VCO is exposed to the clock tree directly along with post-divider output.
1262  * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1263  * respectively.
1264  */
1265 static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1266                                 bool hw_control)
1267 {
1268         u32 val, mask;
1269 
1270         /* Ignore lock enable (will be set) and IDDQ if under h/w control */
1271         val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1272         mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
1273         _pll_misc_chk_default(clk_base, params, 0, val,
1274                         ~mask & PLLU_MISC0_WRITE_MASK);
1275 
1276         val = PLLU_MISC1_DEFAULT_VALUE;
1277         mask = PLLU_MISC1_LOCK_OVERRIDE;
1278         _pll_misc_chk_default(clk_base, params, 1, val,
1279                         ~mask & PLLU_MISC1_WRITE_MASK);
1280 }
1281 
1282 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
1283 {
1284         u32 val = readl_relaxed(clk_base + pllu->base_reg);
1285 
1286         pllu->defaults_set = true;
1287 
1288         if (val & PLL_ENABLE) {
1289 
1290                 /*
1291                  * PLL is ON: check if defaults already set, then set those
1292                  * that can be updated in flight.
1293                  */
1294                 pllu_check_defaults(pllu, false);
1295                 if (!pllu->defaults_set)
1296                         pr_warn("PLL_U already enabled. Postponing set full defaults\n");
1297 
1298                 /* Enable lock detect */
1299                 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
1300                 val &= ~PLLU_MISC0_LOCK_ENABLE;
1301                 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
1302                 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
1303 
1304                 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
1305                 val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1306                 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
1307                 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
1308                 udelay(1);
1309 
1310                 return;
1311         }
1312 
1313         /* set IDDQ, enable lock detect */
1314         writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
1315                         clk_base + pllu->ext_misc_reg[0]);
1316         writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
1317                         clk_base + pllu->ext_misc_reg[1]);
1318         udelay(1);
1319 }
1320 
1321 #define mask(w) ((1 << (w)) - 1)
1322 #define divm_mask(p) mask(p->params->div_nmp->divm_width)
1323 #define divn_mask(p) mask(p->params->div_nmp->divn_width)
1324 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1325                       mask(p->params->div_nmp->divp_width))
1326 
1327 #define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1328 #define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1329 #define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1330 
1331 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1332 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1333 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1334 
1335 #define PLL_LOCKDET_DELAY 2     /* Lock detection safety delays */
1336 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1337                                   u32 reg, u32 mask)
1338 {
1339         int i;
1340         u32 val = 0;
1341 
1342         for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1343                 udelay(PLL_LOCKDET_DELAY);
1344                 val = readl_relaxed(clk_base + reg);
1345                 if ((val & mask) == mask) {
1346                         udelay(PLL_LOCKDET_DELAY);
1347                         return 0;
1348                 }
1349         }
1350         return -ETIMEDOUT;
1351 }
1352 
1353 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1354                 struct tegra_clk_pll_freq_table *cfg)
1355 {
1356         u32 val, base, ndiv_new_mask;
1357 
1358         ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1359                          << PLLX_MISC2_NDIV_NEW_SHIFT;
1360 
1361         val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1362         val &= (~ndiv_new_mask);
1363         val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1364         writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1365         udelay(1);
1366 
1367         val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1368         val |= PLLX_MISC2_EN_DYNRAMP;
1369         writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1370         udelay(1);
1371 
1372         tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1373                                PLLX_MISC2_DYNRAMP_DONE);
1374 
1375         base = readl_relaxed(clk_base + pllx->params->base_reg) &
1376                 (~divn_mask_shifted(pllx));
1377         base |= cfg->n << pllx->params->div_nmp->divn_shift;
1378         writel_relaxed(base, clk_base + pllx->params->base_reg);
1379         udelay(1);
1380 
1381         val &= ~PLLX_MISC2_EN_DYNRAMP;
1382         writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1383         udelay(1);
1384 
1385         pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1386                  __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1387                  cfg->input_rate / cfg->m * cfg->n /
1388                  pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1389 
1390         return 0;
1391 }
1392 
1393 /*
1394  * Common configuration for PLLs with fixed input divider policy:
1395  * - always set fixed M-value based on the reference rate
1396  * - always set P-value value 1:1 for output rates above VCO minimum, and
1397  *   choose minimum necessary P-value for output rates below VCO maximum
1398  * - calculate N-value based on selected M and P
1399  * - calculate SDM_DIN fractional part
1400  */
1401 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1402                                struct tegra_clk_pll_freq_table *cfg,
1403                                unsigned long rate, unsigned long input_rate)
1404 {
1405         struct tegra_clk_pll *pll = to_clk_pll(hw);
1406         struct tegra_clk_pll_params *params = pll->params;
1407         int p;
1408         unsigned long cf, p_rate;
1409         u32 pdiv;
1410 
1411         if (!rate)
1412                 return -EINVAL;
1413 
1414         if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1415                 p = DIV_ROUND_UP(params->vco_min, rate);
1416                 p = params->round_p_to_pdiv(p, &pdiv);
1417         } else {
1418                 p = rate >= params->vco_min ? 1 : -EINVAL;
1419         }
1420 
1421         if (p < 0)
1422                 return -EINVAL;
1423 
1424         cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1425         cfg->p = p;
1426 
1427         /* Store P as HW value, as that is what is expected */
1428         cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1429 
1430         p_rate = rate * p;
1431         if (p_rate > params->vco_max)
1432                 p_rate = params->vco_max;
1433         cf = input_rate / cfg->m;
1434         cfg->n = p_rate / cf;
1435 
1436         cfg->sdm_data = 0;
1437         cfg->output_rate = input_rate;
1438         if (params->sdm_ctrl_reg) {
1439                 unsigned long rem = p_rate - cf * cfg->n;
1440                 /* If ssc is enabled SDM enabled as well, even for integer n */
1441                 if (rem || params->ssc_ctrl_reg) {
1442                         u64 s = rem * PLL_SDM_COEFF;
1443 
1444                         do_div(s, cf);
1445                         s -= PLL_SDM_COEFF / 2;
1446                         cfg->sdm_data = sdin_din_to_data(s);
1447                 }
1448                 cfg->output_rate *= sdin_get_n_eff(cfg);
1449                 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1450         } else {
1451                 cfg->output_rate *= cfg->n;
1452                 cfg->output_rate /= p * cfg->m;
1453         }
1454 
1455         cfg->input_rate = input_rate;
1456 
1457         return 0;
1458 }
1459 
1460 /*
1461  * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1462  *
1463  * @cfg: struct tegra_clk_pll_freq_table * cfg
1464  *
1465  * For Normal mode:
1466  *     Fvco = Fref * NDIV / MDIV
1467  *
1468  * For fractional mode:
1469  *     Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1470  */
1471 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1472 {
1473         cfg->n = sdin_get_n_eff(cfg);
1474         cfg->m *= PLL_SDM_COEFF;
1475 }
1476 
1477 static unsigned long
1478 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1479                             unsigned long parent_rate)
1480 {
1481         unsigned long vco_min = params->vco_min;
1482 
1483         params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1484         vco_min = min(vco_min, params->vco_min);
1485 
1486         return vco_min;
1487 }
1488 
1489 static struct div_nmp pllx_nmp = {
1490         .divm_shift = 0,
1491         .divm_width = 8,
1492         .divn_shift = 8,
1493         .divn_width = 8,
1494         .divp_shift = 20,
1495         .divp_width = 5,
1496 };
1497 /*
1498  * PLL post divider maps - two types: quasi-linear and exponential
1499  * post divider.
1500  */
1501 #define PLL_QLIN_PDIV_MAX       16
1502 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1503         { .pdiv =  1, .hw_val =  0 },
1504         { .pdiv =  2, .hw_val =  1 },
1505         { .pdiv =  3, .hw_val =  2 },
1506         { .pdiv =  4, .hw_val =  3 },
1507         { .pdiv =  5, .hw_val =  4 },
1508         { .pdiv =  6, .hw_val =  5 },
1509         { .pdiv =  8, .hw_val =  6 },
1510         { .pdiv =  9, .hw_val =  7 },
1511         { .pdiv = 10, .hw_val =  8 },
1512         { .pdiv = 12, .hw_val =  9 },
1513         { .pdiv = 15, .hw_val = 10 },
1514         { .pdiv = 16, .hw_val = 11 },
1515         { .pdiv = 18, .hw_val = 12 },
1516         { .pdiv = 20, .hw_val = 13 },
1517         { .pdiv = 24, .hw_val = 14 },
1518         { .pdiv = 30, .hw_val = 15 },
1519         { .pdiv = 32, .hw_val = 16 },
1520 };
1521 
1522 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1523 {
1524         int i;
1525 
1526         if (p) {
1527                 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1528                         if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1529                                 if (pdiv)
1530                                         *pdiv = i;
1531                                 return pll_qlin_pdiv_to_hw[i].pdiv;
1532                         }
1533                 }
1534         }
1535 
1536         return -EINVAL;
1537 }
1538 
1539 #define PLL_EXPO_PDIV_MAX       7
1540 static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1541         { .pdiv =   1, .hw_val = 0 },
1542         { .pdiv =   2, .hw_val = 1 },
1543         { .pdiv =   4, .hw_val = 2 },
1544         { .pdiv =   8, .hw_val = 3 },
1545         { .pdiv =  16, .hw_val = 4 },
1546         { .pdiv =  32, .hw_val = 5 },
1547         { .pdiv =  64, .hw_val = 6 },
1548         { .pdiv = 128, .hw_val = 7 },
1549 };
1550 
1551 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1552 {
1553         if (p) {
1554                 u32 i = fls(p);
1555 
1556                 if (i == ffs(p))
1557                         i--;
1558 
1559                 if (i <= PLL_EXPO_PDIV_MAX) {
1560                         if (pdiv)
1561                                 *pdiv = i;
1562                         return 1 << i;
1563                 }
1564         }
1565         return -EINVAL;
1566 }
1567 
1568 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1569         /* 1 GHz */
1570         { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1571         { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1572         { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
1573         {        0,          0,   0, 0, 0, 0 },
1574 };
1575 
1576 static struct tegra_clk_pll_params pll_x_params = {
1577         .input_min = 12000000,
1578         .input_max = 800000000,
1579         .cf_min = 12000000,
1580         .cf_max = 38400000,
1581         .vco_min = 1350000000,
1582         .vco_max = 3000000000UL,
1583         .base_reg = PLLX_BASE,
1584         .misc_reg = PLLX_MISC0,
1585         .lock_mask = PLL_BASE_LOCK,
1586         .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1587         .lock_delay = 300,
1588         .ext_misc_reg[0] = PLLX_MISC0,
1589         .ext_misc_reg[1] = PLLX_MISC1,
1590         .ext_misc_reg[2] = PLLX_MISC2,
1591         .ext_misc_reg[3] = PLLX_MISC3,
1592         .ext_misc_reg[4] = PLLX_MISC4,
1593         .ext_misc_reg[5] = PLLX_MISC5,
1594         .iddq_reg = PLLX_MISC3,
1595         .iddq_bit_idx = PLLXP_IDDQ_BIT,
1596         .max_p = PLL_QLIN_PDIV_MAX,
1597         .mdiv_default = 2,
1598         .dyn_ramp_reg = PLLX_MISC2,
1599         .stepa_shift = 16,
1600         .stepb_shift = 24,
1601         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1602         .pdiv_tohw = pll_qlin_pdiv_to_hw,
1603         .div_nmp = &pllx_nmp,
1604         .freq_table = pll_x_freq_table,
1605         .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1606         .dyn_ramp = tegra210_pllx_dyn_ramp,
1607         .set_defaults = tegra210_pllx_set_defaults,
1608         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1609 };
1610 
1611 static struct div_nmp pllc_nmp = {
1612         .divm_shift = 0,
1613         .divm_width = 8,
1614         .divn_shift = 10,
1615         .divn_width = 8,
1616         .divp_shift = 20,
1617         .divp_width = 5,
1618 };
1619 
1620 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
1621         { 12000000, 510000000, 85, 1, 2, 0 },
1622         { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1623         { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
1624         {        0,         0,  0, 0, 0, 0 },
1625 };
1626 
1627 static struct tegra_clk_pll_params pll_c_params = {
1628         .input_min = 12000000,
1629         .input_max = 700000000,
1630         .cf_min = 12000000,
1631         .cf_max = 50000000,
1632         .vco_min = 600000000,
1633         .vco_max = 1200000000,
1634         .base_reg = PLLC_BASE,
1635         .misc_reg = PLLC_MISC0,
1636         .lock_mask = PLL_BASE_LOCK,
1637         .lock_delay = 300,
1638         .iddq_reg = PLLC_MISC1,
1639         .iddq_bit_idx = PLLCX_IDDQ_BIT,
1640         .reset_reg = PLLC_MISC0,
1641         .reset_bit_idx = PLLCX_RESET_BIT,
1642         .max_p = PLL_QLIN_PDIV_MAX,
1643         .ext_misc_reg[0] = PLLC_MISC0,
1644         .ext_misc_reg[1] = PLLC_MISC1,
1645         .ext_misc_reg[2] = PLLC_MISC2,
1646         .ext_misc_reg[3] = PLLC_MISC3,
1647         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1648         .pdiv_tohw = pll_qlin_pdiv_to_hw,
1649         .mdiv_default = 3,
1650         .div_nmp = &pllc_nmp,
1651         .freq_table = pll_cx_freq_table,
1652         .flags = TEGRA_PLL_USE_LOCK,
1653         .set_defaults = _pllc_set_defaults,
1654         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1655 };
1656 
1657 static struct div_nmp pllcx_nmp = {
1658         .divm_shift = 0,
1659         .divm_width = 8,
1660         .divn_shift = 10,
1661         .divn_width = 8,
1662         .divp_shift = 20,
1663         .divp_width = 5,
1664 };
1665 
1666 static struct tegra_clk_pll_params pll_c2_params = {
1667         .input_min = 12000000,
1668         .input_max = 700000000,
1669         .cf_min = 12000000,
1670         .cf_max = 50000000,
1671         .vco_min = 600000000,
1672         .vco_max = 1200000000,
1673         .base_reg = PLLC2_BASE,
1674         .misc_reg = PLLC2_MISC0,
1675         .iddq_reg = PLLC2_MISC1,
1676         .iddq_bit_idx = PLLCX_IDDQ_BIT,
1677         .reset_reg = PLLC2_MISC0,
1678         .reset_bit_idx = PLLCX_RESET_BIT,
1679         .lock_mask = PLLCX_BASE_LOCK,
1680         .lock_delay = 300,
1681         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1682         .pdiv_tohw = pll_qlin_pdiv_to_hw,
1683         .mdiv_default = 3,
1684         .div_nmp = &pllcx_nmp,
1685         .max_p = PLL_QLIN_PDIV_MAX,
1686         .ext_misc_reg[0] = PLLC2_MISC0,
1687         .ext_misc_reg[1] = PLLC2_MISC1,
1688         .ext_misc_reg[2] = PLLC2_MISC2,
1689         .ext_misc_reg[3] = PLLC2_MISC3,
1690         .freq_table = pll_cx_freq_table,
1691         .flags = TEGRA_PLL_USE_LOCK,
1692         .set_defaults = _pllc2_set_defaults,
1693         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1694 };
1695 
1696 static struct tegra_clk_pll_params pll_c3_params = {
1697         .input_min = 12000000,
1698         .input_max = 700000000,
1699         .cf_min = 12000000,
1700         .cf_max = 50000000,
1701         .vco_min = 600000000,
1702         .vco_max = 1200000000,
1703         .base_reg = PLLC3_BASE,
1704         .misc_reg = PLLC3_MISC0,
1705         .lock_mask = PLLCX_BASE_LOCK,
1706         .lock_delay = 300,
1707         .iddq_reg = PLLC3_MISC1,
1708         .iddq_bit_idx = PLLCX_IDDQ_BIT,
1709         .reset_reg = PLLC3_MISC0,
1710         .reset_bit_idx = PLLCX_RESET_BIT,
1711         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1712         .pdiv_tohw = pll_qlin_pdiv_to_hw,
1713         .mdiv_default = 3,
1714         .div_nmp = &pllcx_nmp,
1715         .max_p = PLL_QLIN_PDIV_MAX,
1716         .ext_misc_reg[0] = PLLC3_MISC0,
1717         .ext_misc_reg[1] = PLLC3_MISC1,
1718         .ext_misc_reg[2] = PLLC3_MISC2,
1719         .ext_misc_reg[3] = PLLC3_MISC3,
1720         .freq_table = pll_cx_freq_table,
1721         .flags = TEGRA_PLL_USE_LOCK,
1722         .set_defaults = _pllc3_set_defaults,
1723         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1724 };
1725 
1726 static struct div_nmp pllss_nmp = {
1727         .divm_shift = 0,
1728         .divm_width = 8,
1729         .divn_shift = 8,
1730         .divn_width = 8,
1731         .divp_shift = 19,
1732         .divp_width = 5,
1733 };
1734 
1735 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
1736         { 12000000, 600000000, 50, 1, 1, 0 },
1737         { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1738         { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
1739         {        0,         0,  0, 0, 0, 0 },
1740 };
1741 
1742 static const struct clk_div_table pll_vco_post_div_table[] = {
1743         { .val =  0, .div =  1 },
1744         { .val =  1, .div =  2 },
1745         { .val =  2, .div =  3 },
1746         { .val =  3, .div =  4 },
1747         { .val =  4, .div =  5 },
1748         { .val =  5, .div =  6 },
1749         { .val =  6, .div =  8 },
1750         { .val =  7, .div = 10 },
1751         { .val =  8, .div = 12 },
1752         { .val =  9, .div = 16 },
1753         { .val = 10, .div = 12 },
1754         { .val = 11, .div = 16 },
1755         { .val = 12, .div = 20 },
1756         { .val = 13, .div = 24 },
1757         { .val = 14, .div = 32 },
1758         { .val =  0, .div =  0 },
1759 };
1760 
1761 static struct tegra_clk_pll_params pll_c4_vco_params = {
1762         .input_min = 9600000,
1763         .input_max = 800000000,
1764         .cf_min = 9600000,
1765         .cf_max = 19200000,
1766         .vco_min = 500000000,
1767         .vco_max = 1080000000,
1768         .base_reg = PLLC4_BASE,
1769         .misc_reg = PLLC4_MISC0,
1770         .lock_mask = PLL_BASE_LOCK,
1771         .lock_delay = 300,
1772         .max_p = PLL_QLIN_PDIV_MAX,
1773         .ext_misc_reg[0] = PLLC4_MISC0,
1774         .iddq_reg = PLLC4_BASE,
1775         .iddq_bit_idx = PLLSS_IDDQ_BIT,
1776         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1777         .pdiv_tohw = pll_qlin_pdiv_to_hw,
1778         .mdiv_default = 3,
1779         .div_nmp = &pllss_nmp,
1780         .freq_table = pll_c4_vco_freq_table,
1781         .set_defaults = tegra210_pllc4_set_defaults,
1782         .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1783         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1784 };
1785 
1786 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
1787         { 12000000,  800000000,  66, 1, 1, 0 }, /* actual: 792.0 MHz */
1788         { 13000000,  800000000,  61, 1, 1, 0 }, /* actual: 793.0 MHz */
1789         { 38400000,  297600000,  93, 4, 3, 0 },
1790         { 38400000,  400000000, 125, 4, 3, 0 },
1791         { 38400000,  532800000, 111, 4, 2, 0 },
1792         { 38400000,  665600000, 104, 3, 2, 0 },
1793         { 38400000,  800000000, 125, 3, 2, 0 },
1794         { 38400000,  931200000,  97, 4, 1, 0 },
1795         { 38400000, 1065600000, 111, 4, 1, 0 },
1796         { 38400000, 1200000000, 125, 4, 1, 0 },
1797         { 38400000, 1331200000, 104, 3, 1, 0 },
1798         { 38400000, 1459200000,  76, 2, 1, 0 },
1799         { 38400000, 1600000000, 125, 3, 1, 0 },
1800         {        0,          0,   0, 0, 0, 0 },
1801 };
1802 
1803 static struct div_nmp pllm_nmp = {
1804         .divm_shift = 0,
1805         .divm_width = 8,
1806         .override_divm_shift = 0,
1807         .divn_shift = 8,
1808         .divn_width = 8,
1809         .override_divn_shift = 8,
1810         .divp_shift = 20,
1811         .divp_width = 5,
1812         .override_divp_shift = 27,
1813 };
1814 
1815 static struct tegra_clk_pll_params pll_m_params = {
1816         .input_min = 9600000,
1817         .input_max = 500000000,
1818         .cf_min = 9600000,
1819         .cf_max = 19200000,
1820         .vco_min = 800000000,
1821         .vco_max = 1866000000,
1822         .base_reg = PLLM_BASE,
1823         .misc_reg = PLLM_MISC2,
1824         .lock_mask = PLL_BASE_LOCK,
1825         .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1826         .lock_delay = 300,
1827         .iddq_reg = PLLM_MISC2,
1828         .iddq_bit_idx = PLLM_IDDQ_BIT,
1829         .max_p = PLL_QLIN_PDIV_MAX,
1830         .ext_misc_reg[0] = PLLM_MISC2,
1831         .ext_misc_reg[1] = PLLM_MISC1,
1832         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1833         .pdiv_tohw = pll_qlin_pdiv_to_hw,
1834         .div_nmp = &pllm_nmp,
1835         .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1836         .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1837         .freq_table = pll_m_freq_table,
1838         .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1839         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1840 };
1841 
1842 static struct tegra_clk_pll_params pll_mb_params = {
1843         .input_min = 9600000,
1844         .input_max = 500000000,
1845         .cf_min = 9600000,
1846         .cf_max = 19200000,
1847         .vco_min = 800000000,
1848         .vco_max = 1866000000,
1849         .base_reg = PLLMB_BASE,
1850         .misc_reg = PLLMB_MISC1,
1851         .lock_mask = PLL_BASE_LOCK,
1852         .lock_delay = 300,
1853         .iddq_reg = PLLMB_MISC1,
1854         .iddq_bit_idx = PLLMB_IDDQ_BIT,
1855         .max_p = PLL_QLIN_PDIV_MAX,
1856         .ext_misc_reg[0] = PLLMB_MISC1,
1857         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1858         .pdiv_tohw = pll_qlin_pdiv_to_hw,
1859         .div_nmp = &pllm_nmp,
1860         .freq_table = pll_m_freq_table,
1861         .flags = TEGRA_PLL_USE_LOCK,
1862         .set_defaults = tegra210_pllmb_set_defaults,
1863         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1864 };
1865 
1866 
1867 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1868         /* PLLE special case: use cpcon field to store cml divider value */
1869         { 672000000, 100000000, 125, 42, 0, 13 },
1870         { 624000000, 100000000, 125, 39, 0, 13 },
1871         { 336000000, 100000000, 125, 21, 0, 13 },
1872         { 312000000, 100000000, 200, 26, 0, 14 },
1873         {  38400000, 100000000, 125,  2, 0, 14 },
1874         {  12000000, 100000000, 200,  1, 0, 14 },
1875         {         0,         0,   0,  0, 0,  0 },
1876 };
1877 
1878 static struct div_nmp plle_nmp = {
1879         .divm_shift = 0,
1880         .divm_width = 8,
1881         .divn_shift = 8,
1882         .divn_width = 8,
1883         .divp_shift = 24,
1884         .divp_width = 5,
1885 };
1886 
1887 static struct tegra_clk_pll_params pll_e_params = {
1888         .input_min = 12000000,
1889         .input_max = 800000000,
1890         .cf_min = 12000000,
1891         .cf_max = 38400000,
1892         .vco_min = 1600000000,
1893         .vco_max = 2500000000U,
1894         .base_reg = PLLE_BASE,
1895         .misc_reg = PLLE_MISC0,
1896         .aux_reg = PLLE_AUX,
1897         .lock_mask = PLLE_MISC_LOCK,
1898         .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1899         .lock_delay = 300,
1900         .div_nmp = &plle_nmp,
1901         .freq_table = pll_e_freq_table,
1902         .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1903                  TEGRA_PLL_HAS_LOCK_ENABLE,
1904         .fixed_rate = 100000000,
1905         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1906 };
1907 
1908 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
1909         { 12000000, 672000000, 56, 1, 1, 0 },
1910         { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1911         { 38400000, 672000000, 70, 4, 1, 0 },
1912         {        0,         0,  0, 0, 0, 0 },
1913 };
1914 
1915 static struct div_nmp pllre_nmp = {
1916         .divm_shift = 0,
1917         .divm_width = 8,
1918         .divn_shift = 8,
1919         .divn_width = 8,
1920         .divp_shift = 16,
1921         .divp_width = 5,
1922 };
1923 
1924 static struct tegra_clk_pll_params pll_re_vco_params = {
1925         .input_min = 9600000,
1926         .input_max = 800000000,
1927         .cf_min = 9600000,
1928         .cf_max = 19200000,
1929         .vco_min = 350000000,
1930         .vco_max = 700000000,
1931         .base_reg = PLLRE_BASE,
1932         .misc_reg = PLLRE_MISC0,
1933         .lock_mask = PLLRE_MISC_LOCK,
1934         .lock_delay = 300,
1935         .max_p = PLL_QLIN_PDIV_MAX,
1936         .ext_misc_reg[0] = PLLRE_MISC0,
1937         .iddq_reg = PLLRE_MISC0,
1938         .iddq_bit_idx = PLLRE_IDDQ_BIT,
1939         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1940         .pdiv_tohw = pll_qlin_pdiv_to_hw,
1941         .div_nmp = &pllre_nmp,
1942         .freq_table = pll_re_vco_freq_table,
1943         .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
1944         .set_defaults = tegra210_pllre_set_defaults,
1945         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1946 };
1947 
1948 static struct div_nmp pllp_nmp = {
1949         .divm_shift = 0,
1950         .divm_width = 8,
1951         .divn_shift = 10,
1952         .divn_width = 8,
1953         .divp_shift = 20,
1954         .divp_width = 5,
1955 };
1956 
1957 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
1958         { 12000000, 408000000, 34, 1, 1, 0 },
1959         { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
1960         {        0,         0,  0, 0, 0, 0 },
1961 };
1962 
1963 static struct tegra_clk_pll_params pll_p_params = {
1964         .input_min = 9600000,
1965         .input_max = 800000000,
1966         .cf_min = 9600000,
1967         .cf_max = 19200000,
1968         .vco_min = 350000000,
1969         .vco_max = 700000000,
1970         .base_reg = PLLP_BASE,
1971         .misc_reg = PLLP_MISC0,
1972         .lock_mask = PLL_BASE_LOCK,
1973         .lock_delay = 300,
1974         .iddq_reg = PLLP_MISC0,
1975         .iddq_bit_idx = PLLXP_IDDQ_BIT,
1976         .ext_misc_reg[0] = PLLP_MISC0,
1977         .ext_misc_reg[1] = PLLP_MISC1,
1978         .div_nmp = &pllp_nmp,
1979         .freq_table = pll_p_freq_table,
1980         .fixed_rate = 408000000,
1981         .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1982         .set_defaults = tegra210_pllp_set_defaults,
1983         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1984 };
1985 
1986 static struct tegra_clk_pll_params pll_a1_params = {
1987         .input_min = 12000000,
1988         .input_max = 700000000,
1989         .cf_min = 12000000,
1990         .cf_max = 50000000,
1991         .vco_min = 600000000,
1992         .vco_max = 1200000000,
1993         .base_reg = PLLA1_BASE,
1994         .misc_reg = PLLA1_MISC0,
1995         .lock_mask = PLLCX_BASE_LOCK,
1996         .lock_delay = 300,
1997         .iddq_reg = PLLA1_MISC1,
1998         .iddq_bit_idx = PLLCX_IDDQ_BIT,
1999         .reset_reg = PLLA1_MISC0,
2000         .reset_bit_idx = PLLCX_RESET_BIT,
2001         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2002         .pdiv_tohw = pll_qlin_pdiv_to_hw,
2003         .div_nmp = &pllc_nmp,
2004         .ext_misc_reg[0] = PLLA1_MISC0,
2005         .ext_misc_reg[1] = PLLA1_MISC1,
2006         .ext_misc_reg[2] = PLLA1_MISC2,
2007         .ext_misc_reg[3] = PLLA1_MISC3,
2008         .freq_table = pll_cx_freq_table,
2009         .flags = TEGRA_PLL_USE_LOCK,
2010         .set_defaults = _plla1_set_defaults,
2011         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2012 };
2013 
2014 static struct div_nmp plla_nmp = {
2015         .divm_shift = 0,
2016         .divm_width = 8,
2017         .divn_shift = 8,
2018         .divn_width = 8,
2019         .divp_shift = 20,
2020         .divp_width = 5,
2021 };
2022 
2023 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
2024         { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
2025         { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
2026         { 12000000, 240000000, 60, 1, 3, 1,      0 },
2027         { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
2028         { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
2029         { 13000000, 240000000, 55, 1, 3, 1,      0 }, /* actual: 238.3 MHz */
2030         { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
2031         { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
2032         { 38400000, 240000000, 75, 3, 3, 1,      0 },
2033         {        0,         0,  0, 0, 0, 0,      0 },
2034 };
2035 
2036 static struct tegra_clk_pll_params pll_a_params = {
2037         .input_min = 12000000,
2038         .input_max = 800000000,
2039         .cf_min = 12000000,
2040         .cf_max = 19200000,
2041         .vco_min = 500000000,
2042         .vco_max = 1000000000,
2043         .base_reg = PLLA_BASE,
2044         .misc_reg = PLLA_MISC0,
2045         .lock_mask = PLL_BASE_LOCK,
2046         .lock_delay = 300,
2047         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2048         .pdiv_tohw = pll_qlin_pdiv_to_hw,
2049         .iddq_reg = PLLA_BASE,
2050         .iddq_bit_idx = PLLA_IDDQ_BIT,
2051         .div_nmp = &plla_nmp,
2052         .sdm_din_reg = PLLA_MISC1,
2053         .sdm_din_mask = PLLA_SDM_DIN_MASK,
2054         .sdm_ctrl_reg = PLLA_MISC2,
2055         .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
2056         .ext_misc_reg[0] = PLLA_MISC0,
2057         .ext_misc_reg[1] = PLLA_MISC1,
2058         .ext_misc_reg[2] = PLLA_MISC2,
2059         .freq_table = pll_a_freq_table,
2060         .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
2061         .set_defaults = tegra210_plla_set_defaults,
2062         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2063         .set_gain = tegra210_clk_pll_set_gain,
2064         .adjust_vco = tegra210_clk_adjust_vco_min,
2065 };
2066 
2067 static struct div_nmp plld_nmp = {
2068         .divm_shift = 0,
2069         .divm_width = 8,
2070         .divn_shift = 11,
2071         .divn_width = 8,
2072         .divp_shift = 20,
2073         .divp_width = 3,
2074 };
2075 
2076 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
2077         { 12000000, 594000000, 99, 1, 2, 0,      0 },
2078         { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2079         { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2080         {        0,         0,  0, 0, 0, 0,      0 },
2081 };
2082 
2083 static struct tegra_clk_pll_params pll_d_params = {
2084         .input_min = 12000000,
2085         .input_max = 800000000,
2086         .cf_min = 12000000,
2087         .cf_max = 38400000,
2088         .vco_min = 750000000,
2089         .vco_max = 1500000000,
2090         .base_reg = PLLD_BASE,
2091         .misc_reg = PLLD_MISC0,
2092         .lock_mask = PLL_BASE_LOCK,
2093         .lock_delay = 1000,
2094         .iddq_reg = PLLD_MISC0,
2095         .iddq_bit_idx = PLLD_IDDQ_BIT,
2096         .round_p_to_pdiv = pll_expo_p_to_pdiv,
2097         .pdiv_tohw = pll_expo_pdiv_to_hw,
2098         .div_nmp = &plld_nmp,
2099         .sdm_din_reg = PLLD_MISC0,
2100         .sdm_din_mask = PLLA_SDM_DIN_MASK,
2101         .sdm_ctrl_reg = PLLD_MISC0,
2102         .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
2103         .ext_misc_reg[0] = PLLD_MISC0,
2104         .ext_misc_reg[1] = PLLD_MISC1,
2105         .freq_table = pll_d_freq_table,
2106         .flags = TEGRA_PLL_USE_LOCK,
2107         .mdiv_default = 1,
2108         .set_defaults = tegra210_plld_set_defaults,
2109         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2110         .set_gain = tegra210_clk_pll_set_gain,
2111         .adjust_vco = tegra210_clk_adjust_vco_min,
2112 };
2113 
2114 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
2115         { 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
2116         { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2117         { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2118         {        0,         0,  0, 0, 0, 0,      0 },
2119 };
2120 
2121 /* s/w policy, always tegra_pll_ref */
2122 static struct tegra_clk_pll_params pll_d2_params = {
2123         .input_min = 12000000,
2124         .input_max = 800000000,
2125         .cf_min = 12000000,
2126         .cf_max = 38400000,
2127         .vco_min = 750000000,
2128         .vco_max = 1500000000,
2129         .base_reg = PLLD2_BASE,
2130         .misc_reg = PLLD2_MISC0,
2131         .lock_mask = PLL_BASE_LOCK,
2132         .lock_delay = 300,
2133         .iddq_reg = PLLD2_BASE,
2134         .iddq_bit_idx = PLLSS_IDDQ_BIT,
2135         .sdm_din_reg = PLLD2_MISC3,
2136         .sdm_din_mask = PLLA_SDM_DIN_MASK,
2137         .sdm_ctrl_reg = PLLD2_MISC1,
2138         .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
2139         /* disable spread-spectrum for pll_d2 */
2140         .ssc_ctrl_reg = 0,
2141         .ssc_ctrl_en_mask = 0,
2142         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2143         .pdiv_tohw = pll_qlin_pdiv_to_hw,
2144         .div_nmp = &pllss_nmp,
2145         .ext_misc_reg[0] = PLLD2_MISC0,
2146         .ext_misc_reg[1] = PLLD2_MISC1,
2147         .ext_misc_reg[2] = PLLD2_MISC2,
2148         .ext_misc_reg[3] = PLLD2_MISC3,
2149         .max_p = PLL_QLIN_PDIV_MAX,
2150         .mdiv_default = 1,
2151         .freq_table = tegra210_pll_d2_freq_table,
2152         .set_defaults = tegra210_plld2_set_defaults,
2153         .flags = TEGRA_PLL_USE_LOCK,
2154         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2155         .set_gain = tegra210_clk_pll_set_gain,
2156         .adjust_vco = tegra210_clk_adjust_vco_min,
2157 };
2158 
2159 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
2160         { 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
2161         { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
2162         { 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
2163         {        0,         0,  0, 0, 0, 0,      0 },
2164 };
2165 
2166 static struct tegra_clk_pll_params pll_dp_params = {
2167         .input_min = 12000000,
2168         .input_max = 800000000,
2169         .cf_min = 12000000,
2170         .cf_max = 38400000,
2171         .vco_min = 750000000,
2172         .vco_max = 1500000000,
2173         .base_reg = PLLDP_BASE,
2174         .misc_reg = PLLDP_MISC,
2175         .lock_mask = PLL_BASE_LOCK,
2176         .lock_delay = 300,
2177         .iddq_reg = PLLDP_BASE,
2178         .iddq_bit_idx = PLLSS_IDDQ_BIT,
2179         .sdm_din_reg = PLLDP_SS_CTRL2,
2180         .sdm_din_mask = PLLA_SDM_DIN_MASK,
2181         .sdm_ctrl_reg = PLLDP_SS_CFG,
2182         .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2183         .ssc_ctrl_reg = PLLDP_SS_CFG,
2184         .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2185         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2186         .pdiv_tohw = pll_qlin_pdiv_to_hw,
2187         .div_nmp = &pllss_nmp,
2188         .ext_misc_reg[0] = PLLDP_MISC,
2189         .ext_misc_reg[1] = PLLDP_SS_CFG,
2190         .ext_misc_reg[2] = PLLDP_SS_CTRL1,
2191         .ext_misc_reg[3] = PLLDP_SS_CTRL2,
2192         .max_p = PLL_QLIN_PDIV_MAX,
2193         .mdiv_default = 1,
2194         .freq_table = pll_dp_freq_table,
2195         .set_defaults = tegra210_plldp_set_defaults,
2196         .flags = TEGRA_PLL_USE_LOCK,
2197         .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2198         .set_gain = tegra210_clk_pll_set_gain,
2199         .adjust_vco = tegra210_clk_adjust_vco_min,
2200 };
2201 
2202 static struct div_nmp pllu_nmp = {
2203         .divm_shift = 0,
2204         .divm_width = 8,
2205         .divn_shift = 8,
2206         .divn_width = 8,
2207         .divp_shift = 16,
2208         .divp_width = 5,
2209 };
2210 
2211 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
2212         { 12000000, 480000000, 40, 1, 1, 0 },
2213         { 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */
2214         { 38400000, 480000000, 25, 2, 1, 0 },
2215         {        0,         0,  0, 0, 0, 0 },
2216 };
2217 
2218 static struct tegra_clk_pll_params pll_u_vco_params = {
2219         .input_min = 9600000,
2220         .input_max = 800000000,
2221         .cf_min = 9600000,
2222         .cf_max = 19200000,
2223         .vco_min = 350000000,
2224         .vco_max = 700000000,
2225         .base_reg = PLLU_BASE,
2226         .misc_reg = PLLU_MISC0,
2227         .lock_mask = PLL_BASE_LOCK,
2228         .lock_delay = 1000,
2229         .iddq_reg = PLLU_MISC0,
2230         .iddq_bit_idx = PLLU_IDDQ_BIT,
2231         .ext_misc_reg[0] = PLLU_MISC0,
2232         .ext_misc_reg[1] = PLLU_MISC1,
2233         .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2234         .pdiv_tohw = pll_qlin_pdiv_to_hw,
2235         .div_nmp = &pllu_nmp,
2236         .freq_table = pll_u_freq_table,
2237         .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
2238 };
2239 
2240 struct utmi_clk_param {
2241         /* Oscillator Frequency in KHz */
2242         u32 osc_frequency;
2243         /* UTMIP PLL Enable Delay Count  */
2244         u8 enable_delay_count;
2245         /* UTMIP PLL Stable count */
2246         u16 stable_count;
2247         /*  UTMIP PLL Active delay count */
2248         u8 active_delay_count;
2249         /* UTMIP PLL Xtal frequency count */
2250         u16 xtal_freq_count;
2251 };
2252 
2253 static const struct utmi_clk_param utmi_parameters[] = {
2254         {
2255                 .osc_frequency = 38400000, .enable_delay_count = 0x0,
2256                 .stable_count = 0x0, .active_delay_count = 0x6,
2257                 .xtal_freq_count = 0x80
2258         }, {
2259                 .osc_frequency = 13000000, .enable_delay_count = 0x02,
2260                 .stable_count = 0x33, .active_delay_count = 0x05,
2261                 .xtal_freq_count = 0x7f
2262         }, {
2263                 .osc_frequency = 19200000, .enable_delay_count = 0x03,
2264                 .stable_count = 0x4b, .active_delay_count = 0x06,
2265                 .xtal_freq_count = 0xbb
2266         }, {
2267                 .osc_frequency = 12000000, .enable_delay_count = 0x02,
2268                 .stable_count = 0x2f, .active_delay_count = 0x08,
2269                 .xtal_freq_count = 0x76
2270         }, {
2271                 .osc_frequency = 26000000, .enable_delay_count = 0x04,
2272                 .stable_count = 0x66, .active_delay_count = 0x09,
2273                 .xtal_freq_count = 0xfe
2274         }, {
2275                 .osc_frequency = 16800000, .enable_delay_count = 0x03,
2276                 .stable_count = 0x41, .active_delay_count = 0x0a,
2277                 .xtal_freq_count = 0xa4
2278         },
2279 };
2280 
2281 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2282         [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2283         [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2284         [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2285         [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2286         [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2287         [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2288         [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2289         [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2290         [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2291         [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2292         [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2293         [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2294         [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2295         [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2296         [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2297         [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2298         [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2299         [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2300         [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2301         [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2302         [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2303         [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2304         [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2305         [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2306         [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2307         [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2308         [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2309         [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2310         [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2311         [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2312         [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2313         [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2314         [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2315         [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2316         [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2317         [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2318         [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2319         [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2320         [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2321         [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2322         [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2323         [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2324         [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2325         [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2326         [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2327         [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2328         [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2329         [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2330         [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2331         [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2332         [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2333         [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2334         [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2335         [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2336         [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2337         [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2338         [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2339         [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2340         [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2341         [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2342         [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2343         [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2344         [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2345         [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2346         [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2347         [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2348         [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2349         [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2350         [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2351         [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
2352         [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
2353         [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2354         [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
2355         [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2356         [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true },
2357         [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2358         [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2359         [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2360         [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2361         [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2362         [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2363         [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2364         [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2365         [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2366         [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2367         [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2368         [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2369         [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2370         [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2371         [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2372         [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2373         [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2374         [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2375         [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
2376         [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2377         [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2378         [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2379         [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2380         [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2381         [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2382         [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2383         [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2384         [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2385         [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2386         [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2387         [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2388         [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2389         [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2390         [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2391         [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2392         [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2393         [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2394         [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2395         [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2396         [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2397         [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2398         [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2399         [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2400         [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2401         [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2402         [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2403         [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2404         [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2405         [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2406         [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2407         [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2408         [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2409         [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2410         [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2411         [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2412         [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2413         [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2414         [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2415         [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2416         [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2417         [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2418         [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2419         [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2420         [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2421         [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2422         [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2423         [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2424         [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2425         [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2426         [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2427         [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2428         [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2429         [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2430         [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2431         [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2432         [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2433         [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2434         [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2435         [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2436         [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2437         [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2438         [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2439         [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2440         [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2441         [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2442         [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2443         [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2444         [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2445         [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2446         [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2447         [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2448         [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2449         [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2450         [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2451         [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2452         [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2453         [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2454         [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2455         [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2456         [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2457         [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2458         [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2459         [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2460         [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2461         [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2462         [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2463         [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2464         [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2465         [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2466         [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2467         [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
2468         [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
2469         [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
2470         [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
2471         [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
2472         [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2473         [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2474         [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
2475         [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2476         [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2477         [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2478         [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2479         [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2480         [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
2481         [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
2482         [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
2483         [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
2484         [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
2485         [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
2486         [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
2487         [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
2488 };
2489 
2490 static struct tegra_devclk devclks[] __initdata = {
2491         { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2492         { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2493         { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2494         { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2495         { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2496         { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2497         { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2498         { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2499         { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2500         { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2501         { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2502         { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2503         { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2504         { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2505         { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
2506         { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2507         { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2508         { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2509         { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2510         { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2511         { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2512         { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2513         { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2514         { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2515         { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2516         { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2517         { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2518         { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2519         { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2520         { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2521         { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2522         { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2523         { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2524         { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2525         { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2526         { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2527         { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2528         { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2529         { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2530         { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2531         { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2532         { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2533         { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2534         { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2535         { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2536         { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2537         { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2538         { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2539         { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2540         { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2541         { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2542         { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2543         { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2544         { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2545         { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2546         { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2547         { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2548         { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2549         { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2550         { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2551         { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2552         { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2553         { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2554         { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2555 };
2556 
2557 static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2558         { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2559         { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2560 };
2561 
2562 static const char * const aclk_parents[] = {
2563         "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2564         "clk_m"
2565 };
2566 
2567 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC };
2568 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG };
2569 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X,
2570         TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 };
2571 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA,
2572         TEGRA210_CLK_HOST1X};
2573 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2574         TEGRA210_CLK_XUSB_DEV };
2575 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2576         TEGRA210_CLK_XUSB_SS };
2577 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV,
2578         TEGRA210_CLK_XUSB_SS };
2579 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X,
2580         TEGRA210_CLK_PLL_D };
2581 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK,
2582         TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2,
2583         TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT,
2584         TEGRA210_CLK_D_AUDIO };
2585 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X };
2586 
2587 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = {
2588         [TEGRA_POWERGATE_VENC] = {
2589                 .handle_lvl2_ovr = tegra210_venc_mbist_war,
2590                 .num_clks = ARRAY_SIZE(venc_slcg_clkids),
2591                 .clk_init_data = venc_slcg_clkids,
2592         },
2593         [TEGRA_POWERGATE_SATA] = {
2594                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2595                 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2596                 .lvl2_mask = BIT(0) | BIT(17) | BIT(19),
2597         },
2598         [TEGRA_POWERGATE_MPE] = {
2599                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2600                 .lvl2_offset = LVL2_CLK_GATE_OVRE,
2601                 .lvl2_mask = BIT(29),
2602         },
2603         [TEGRA_POWERGATE_SOR] = {
2604                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2605                 .num_clks = ARRAY_SIZE(sor_slcg_clkids),
2606                 .clk_init_data = sor_slcg_clkids,
2607                 .lvl2_offset = LVL2_CLK_GATE_OVRA,
2608                 .lvl2_mask = BIT(1) | BIT(2),
2609         },
2610         [TEGRA_POWERGATE_DIS] = {
2611                 .handle_lvl2_ovr = tegra210_disp_mbist_war,
2612                 .num_clks = ARRAY_SIZE(disp_slcg_clkids),
2613                 .clk_init_data = disp_slcg_clkids,
2614         },
2615         [TEGRA_POWERGATE_DISB] = {
2616                 .num_clks = ARRAY_SIZE(disp_slcg_clkids),
2617                 .clk_init_data = disp_slcg_clkids,
2618                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2619                 .lvl2_offset = LVL2_CLK_GATE_OVRA,
2620                 .lvl2_mask = BIT(2),
2621         },
2622         [TEGRA_POWERGATE_XUSBA] = {
2623                 .num_clks = ARRAY_SIZE(xusba_slcg_clkids),
2624                 .clk_init_data = xusba_slcg_clkids,
2625                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2626                 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2627                 .lvl2_mask = BIT(30) | BIT(31),
2628         },
2629         [TEGRA_POWERGATE_XUSBB] = {
2630                 .num_clks = ARRAY_SIZE(xusbb_slcg_clkids),
2631                 .clk_init_data = xusbb_slcg_clkids,
2632                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2633                 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2634                 .lvl2_mask = BIT(30) | BIT(31),
2635         },
2636         [TEGRA_POWERGATE_XUSBC] = {
2637                 .num_clks = ARRAY_SIZE(xusbc_slcg_clkids),
2638                 .clk_init_data = xusbc_slcg_clkids,
2639                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2640                 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2641                 .lvl2_mask = BIT(30) | BIT(31),
2642         },
2643         [TEGRA_POWERGATE_VIC] = {
2644                 .num_clks = ARRAY_SIZE(vic_slcg_clkids),
2645                 .clk_init_data = vic_slcg_clkids,
2646                 .handle_lvl2_ovr = tegra210_vic_mbist_war,
2647         },
2648         [TEGRA_POWERGATE_NVDEC] = {
2649                 .num_clks = ARRAY_SIZE(nvdec_slcg_clkids),
2650                 .clk_init_data = nvdec_slcg_clkids,
2651                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2652                 .lvl2_offset = LVL2_CLK_GATE_OVRE,
2653                 .lvl2_mask = BIT(9) | BIT(31),
2654         },
2655         [TEGRA_POWERGATE_NVJPG] = {
2656                 .num_clks = ARRAY_SIZE(nvjpg_slcg_clkids),
2657                 .clk_init_data = nvjpg_slcg_clkids,
2658                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2659                 .lvl2_offset = LVL2_CLK_GATE_OVRE,
2660                 .lvl2_mask = BIT(9) | BIT(31),
2661         },
2662         [TEGRA_POWERGATE_AUD] = {
2663                 .num_clks = ARRAY_SIZE(ape_slcg_clkids),
2664                 .clk_init_data = ape_slcg_clkids,
2665                 .handle_lvl2_ovr = tegra210_ape_mbist_war,
2666         },
2667         [TEGRA_POWERGATE_VE2] = {
2668                 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2669                 .lvl2_offset = LVL2_CLK_GATE_OVRD,
2670                 .lvl2_mask = BIT(22),
2671         },
2672 };
2673 
2674 int tegra210_clk_handle_mbist_war(unsigned int id)
2675 {
2676         int err;
2677         struct tegra210_domain_mbist_war *mbist_war;
2678 
2679         if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) {
2680                 WARN(1, "unknown domain id in MBIST WAR handler\n");
2681                 return -EINVAL;
2682         }
2683 
2684         mbist_war = &tegra210_pg_mbist_war[id];
2685         if (!mbist_war->handle_lvl2_ovr)
2686                 return 0;
2687 
2688         if (mbist_war->num_clks && !mbist_war->clks)
2689                 return -ENODEV;
2690 
2691         err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks);
2692         if (err < 0)
2693                 return err;
2694 
2695         mutex_lock(&lvl2_ovr_lock);
2696 
2697         mbist_war->handle_lvl2_ovr(mbist_war);
2698 
2699         mutex_unlock(&lvl2_ovr_lock);
2700 
2701         clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks);
2702 
2703         return 0;
2704 }
2705 
2706 void tegra210_put_utmipll_in_iddq(void)
2707 {
2708         u32 reg;
2709 
2710         reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2711 
2712         if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2713                 pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2714                 return;
2715         }
2716 
2717         reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2718         writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2719 }
2720 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2721 
2722 void tegra210_put_utmipll_out_iddq(void)
2723 {
2724         u32 reg;
2725 
2726         reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2727         reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2728         writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2729 }
2730 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2731 
2732 static void tegra210_utmi_param_configure(void)
2733 {
2734         u32 reg;
2735         int i;
2736 
2737         for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2738                 if (osc_freq == utmi_parameters[i].osc_frequency)
2739                         break;
2740         }
2741 
2742         if (i >= ARRAY_SIZE(utmi_parameters)) {
2743                 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2744                         osc_freq);
2745                 return;
2746         }
2747 
2748         reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2749         reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2750         writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2751 
2752         udelay(10);
2753 
2754         reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2755 
2756         /* Program UTMIP PLL stable and active counts */
2757         /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2758         reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2759         reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2760 
2761         reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2762         reg |=
2763         UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2764         writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2765 
2766         /* Program UTMIP PLL delay and oscillator frequency counts */
2767         reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2768 
2769         reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2770         reg |=
2771         UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2772 
2773         reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2774         reg |=
2775         UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2776 
2777         reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2778         writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2779 
2780         /* Remove power downs from UTMIP PLL control bits */
2781         reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2782         reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2783         reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2784         writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2785 
2786         udelay(20);
2787 
2788         /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2789         reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2790         reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2791         reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2792         reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2793         reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2794         reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2795         reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2796         writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2797 
2798         /* Setup HW control of UTMIPLL */
2799         reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2800         reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2801         reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2802         writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2803 
2804         reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2805         reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2806         reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2807         writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2808 
2809         udelay(1);
2810 
2811         reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2812         reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2813         writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2814 
2815         udelay(1);
2816 
2817         /* Enable HW control UTMIPLL */
2818         reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2819         reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2820         writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2821 }
2822 
2823 static int tegra210_enable_pllu(void)
2824 {
2825         struct tegra_clk_pll_freq_table *fentry;
2826         struct tegra_clk_pll pllu;
2827         u32 reg;
2828 
2829         for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2830                 if (fentry->input_rate == pll_ref_freq)
2831                         break;
2832         }
2833 
2834         if (!fentry->input_rate) {
2835                 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2836                 return -EINVAL;
2837         }
2838 
2839         /* clear IDDQ bit */
2840         pllu.params = &pll_u_vco_params;
2841         reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2842         reg &= ~BIT(pllu.params->iddq_bit_idx);
2843         writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
2844         udelay(5);
2845 
2846         reg = readl_relaxed(clk_base + PLLU_BASE);
2847         reg &= ~GENMASK(20, 0);
2848         reg |= fentry->m;
2849         reg |= fentry->n << 8;
2850         reg |= fentry->p << 16;
2851         writel(reg, clk_base + PLLU_BASE);
2852         udelay(1);
2853         reg |= PLL_ENABLE;
2854         writel(reg, clk_base + PLLU_BASE);
2855 
2856         readl_relaxed_poll_timeout_atomic(clk_base + PLLU_BASE, reg,
2857                                           reg & PLL_BASE_LOCK, 2, 1000);
2858         if (!(reg & PLL_BASE_LOCK)) {
2859                 pr_err("Timed out waiting for PLL_U to lock\n");
2860                 return -ETIMEDOUT;
2861         }
2862 
2863         return 0;
2864 }
2865 
2866 static int tegra210_init_pllu(void)
2867 {
2868         u32 reg;
2869         int err;
2870 
2871         tegra210_pllu_set_defaults(&pll_u_vco_params);
2872         /* skip initialization when pllu is in hw controlled mode */
2873         reg = readl_relaxed(clk_base + PLLU_BASE);
2874         if (reg & PLLU_BASE_OVERRIDE) {
2875                 if (!(reg & PLL_ENABLE)) {
2876                         err = tegra210_enable_pllu();
2877                         if (err < 0) {
2878                                 WARN_ON(1);
2879                                 return err;
2880                         }
2881                 }
2882                 /* enable hw controlled mode */
2883                 reg = readl_relaxed(clk_base + PLLU_BASE);
2884                 reg &= ~PLLU_BASE_OVERRIDE;
2885                 writel(reg, clk_base + PLLU_BASE);
2886 
2887                 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2888                 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2889                        PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2890                        PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2891                 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2892                         PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2893                 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2894 
2895                 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2896                 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2897                 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2898                 udelay(1);
2899 
2900                 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2901                 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2902                 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2903                 udelay(1);
2904 
2905                 reg = readl_relaxed(clk_base + PLLU_BASE);
2906                 reg &= ~PLLU_BASE_CLKENABLE_USB;
2907                 writel_relaxed(reg, clk_base + PLLU_BASE);
2908         }
2909 
2910         /* enable UTMIPLL hw control if not yet done by the bootloader */
2911         reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2912         if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2913                 tegra210_utmi_param_configure();
2914 
2915         return 0;
2916 }
2917 
2918 static const char * const sor1_out_parents[] = {
2919         /*
2920          * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so
2921          * the sor1_pad_clkout parent appears twice in the list below. This is
2922          * merely to support clk_get_parent() if firmware happened to set
2923          * these bits to 0b11. While not an invalid setting, code should
2924          * always set the bits to 0b01 to select sor1_pad_clkout.
2925          */
2926         "sor_safe", "sor1_pad_clkout", "sor1", "sor1_pad_clkout",
2927 };
2928 
2929 static const char * const sor1_parents[] = {
2930         "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m",
2931 };
2932 
2933 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 };
2934 
2935 static struct tegra_periph_init_data tegra210_periph[] = {
2936         TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents,
2937                               CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1,
2938                               TEGRA_DIVIDER_ROUND_UP, 183, 0, tegra_clk_sor1,
2939                               sor1_parents_idx, 0, &sor1_lock),
2940 };
2941 
2942 static const char * const la_parents[] = {
2943         "pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0"
2944 };
2945 
2946 static struct tegra_clk_periph tegra210_la =
2947         TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, 0);
2948 
2949 static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2950                                             void __iomem *pmc_base)
2951 {
2952         struct clk *clk;
2953         unsigned int i;
2954 
2955         /* xusb_ss_div2 */
2956         clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2957                                         1, 2);
2958         clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2959 
2960         clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
2961                                               1, 17, 222);
2962         clks[TEGRA210_CLK_SOR_SAFE] = clk;
2963 
2964         clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
2965                                               1, 17, 181);
2966         clks[TEGRA210_CLK_DPAUX] = clk;
2967 
2968         clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
2969                                               1, 17, 207);
2970         clks[TEGRA210_CLK_DPAUX1] = clk;
2971 
2972         clk = clk_register_mux_table(NULL, "sor1_out", sor1_out_parents,
2973                                      ARRAY_SIZE(sor1_out_parents), 0,
2974                                      clk_base + CLK_SOURCE_SOR1, 14, 0x3,
2975                                      0, NULL, &sor1_lock);
2976         clks[TEGRA210_CLK_SOR1_OUT] = clk;
2977 
2978         /* pll_d_dsi_out */
2979         clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2980                                 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2981         clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2982 
2983         /* dsia */
2984         clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2985                                              clk_base, 0, 48,
2986                                              periph_clk_enb_refcnt);
2987         clks[TEGRA210_CLK_DSIA] = clk;
2988 
2989         /* dsib */
2990         clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2991                                              clk_base, 0, 82,
2992                                              periph_clk_enb_refcnt);
2993         clks[TEGRA210_CLK_DSIB] = clk;
2994 
2995         /* la */
2996         clk = tegra_clk_register_periph("la", la_parents,
2997                         ARRAY_SIZE(la_parents), &tegra210_la, clk_base,
2998                         CLK_SOURCE_LA, 0);
2999         clks[TEGRA210_CLK_LA] = clk;
3000 
3001         /* emc mux */
3002         clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
3003                                ARRAY_SIZE(mux_pllmcp_clkm), 0,
3004                                clk_base + CLK_SOURCE_EMC,
3005                                29, 3, 0, &emc_lock);
3006 
3007         clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
3008                                     &emc_lock);
3009         clks[TEGRA210_CLK_MC] = clk;
3010 
3011         /* cml0 */
3012         clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
3013                                 0, 0, &pll_e_lock);
3014         clk_register_clkdev(clk, "cml0", NULL);
3015         clks[TEGRA210_CLK_CML0] = clk;
3016 
3017         /* cml1 */
3018         clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
3019                                 1, 0, &pll_e_lock);
3020         clk_register_clkdev(clk, "cml1", NULL);
3021         clks[TEGRA210_CLK_CML1] = clk;
3022 
3023         clk = tegra_clk_register_super_clk("aclk", aclk_parents,
3024                                 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
3025                                 0, NULL);
3026         clks[TEGRA210_CLK_ACLK] = clk;
3027 
3028         clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base,
3029                                             CLK_SOURCE_SDMMC2, 9,
3030                                             TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3031         clks[TEGRA210_CLK_SDMMC2] = clk;
3032 
3033         clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base,
3034                                             CLK_SOURCE_SDMMC4, 15,
3035                                             TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3036         clks[TEGRA210_CLK_SDMMC4] = clk;
3037 
3038         for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) {
3039                 struct tegra_periph_init_data *init = &tegra210_periph[i];
3040                 struct clk **clkp;
3041 
3042                 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks);
3043                 if (!clkp) {
3044                         pr_warn("clock %u not found\n", init->clk_id);
3045                         continue;
3046                 }
3047 
3048                 clk = tegra_clk_register_periph_data(clk_base, init);
3049                 *clkp = clk;
3050         }
3051 
3052         tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
3053 }
3054 
3055 static void __init tegra210_pll_init(void __iomem *clk_base,
3056                                      void __iomem *pmc)
3057 {
3058         struct clk *clk;
3059 
3060         /* PLLC */
3061         clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
3062                         pmc, 0, &pll_c_params, NULL);
3063         if (!WARN_ON(IS_ERR(clk)))
3064                 clk_register_clkdev(clk, "pll_c", NULL);
3065         clks[TEGRA210_CLK_PLL_C] = clk;
3066 
3067         /* PLLC_OUT1 */
3068         clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
3069                         clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3070                         8, 8, 1, NULL);
3071         clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
3072                                 clk_base + PLLC_OUT, 1, 0,
3073                                 CLK_SET_RATE_PARENT, 0, NULL);
3074         clk_register_clkdev(clk, "pll_c_out1", NULL);
3075         clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
3076 
3077         /* PLLC_UD */
3078         clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
3079                                         CLK_SET_RATE_PARENT, 1, 1);
3080         clk_register_clkdev(clk, "pll_c_ud", NULL);
3081         clks[TEGRA210_CLK_PLL_C_UD] = clk;
3082 
3083         /* PLLC2 */
3084         clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
3085                              pmc, 0, &pll_c2_params, NULL);
3086         clk_register_clkdev(clk, "pll_c2", NULL);
3087         clks[TEGRA210_CLK_PLL_C2] = clk;
3088 
3089         /* PLLC3 */
3090         clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
3091                              pmc, 0, &pll_c3_params, NULL);
3092         clk_register_clkdev(clk, "pll_c3", NULL);
3093         clks[TEGRA210_CLK_PLL_C3] = clk;
3094 
3095         /* PLLM */
3096         clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
3097                              CLK_SET_RATE_GATE, &pll_m_params, NULL);
3098         clk_register_clkdev(clk, "pll_m", NULL);
3099         clks[TEGRA210_CLK_PLL_M] = clk;
3100 
3101         /* PLLMB */
3102         clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
3103                              CLK_SET_RATE_GATE, &pll_mb_params, NULL);
3104         clk_register_clkdev(clk, "pll_mb", NULL);
3105         clks[TEGRA210_CLK_PLL_MB] = clk;
3106 
3107         /* PLLM_UD */
3108         clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
3109                                         CLK_SET_RATE_PARENT, 1, 1);
3110         clk_register_clkdev(clk, "pll_m_ud", NULL);
3111         clks[TEGRA210_CLK_PLL_M_UD] = clk;
3112 
3113         /* PLLU_VCO */
3114         if (!tegra210_init_pllu()) {
3115                 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
3116                                               480*1000*1000);
3117                 clk_register_clkdev(clk, "pll_u_vco", NULL);
3118                 clks[TEGRA210_CLK_PLL_U] = clk;
3119         }
3120 
3121         /* PLLU_OUT */
3122         clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
3123                                          clk_base + PLLU_BASE, 16, 4, 0,
3124                                          pll_vco_post_div_table, NULL);
3125         clk_register_clkdev(clk, "pll_u_out", NULL);
3126         clks[TEGRA210_CLK_PLL_U_OUT] = clk;
3127 
3128         /* PLLU_OUT1 */
3129         clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
3130                                 clk_base + PLLU_OUTA, 0,
3131                                 TEGRA_DIVIDER_ROUND_UP,
3132                                 8, 8, 1, &pll_u_lock);
3133         clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
3134                                 clk_base + PLLU_OUTA, 1, 0,
3135                                 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3136         clk_register_clkdev(clk, "pll_u_out1", NULL);
3137         clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
3138 
3139         /* PLLU_OUT2 */
3140         clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
3141                                 clk_base + PLLU_OUTA, 0,
3142                                 TEGRA_DIVIDER_ROUND_UP,
3143                                 24, 8, 1, &pll_u_lock);
3144         clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
3145                                 clk_base + PLLU_OUTA, 17, 16,
3146                                 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3147         clk_register_clkdev(clk, "pll_u_out2", NULL);
3148         clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
3149 
3150         /* PLLU_480M */
3151         clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
3152                                 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3153                                 22, 0, &pll_u_lock);
3154         clk_register_clkdev(clk, "pll_u_480M", NULL);
3155         clks[TEGRA210_CLK_PLL_U_480M] = clk;
3156 
3157         /* PLLU_60M */
3158         clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
3159                                 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3160                                 23, 0, &pll_u_lock);
3161         clk_register_clkdev(clk, "pll_u_60M", NULL);
3162         clks[TEGRA210_CLK_PLL_U_60M] = clk;
3163 
3164         /* PLLU_48M */
3165         clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
3166                                 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3167                                 25, 0, &pll_u_lock);
3168         clk_register_clkdev(clk, "pll_u_48M", NULL);
3169         clks[TEGRA210_CLK_PLL_U_48M] = clk;
3170 
3171         /* PLLD */
3172         clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
3173                             &pll_d_params, &pll_d_lock);
3174         clk_register_clkdev(clk, "pll_d", NULL);
3175         clks[TEGRA210_CLK_PLL_D] = clk;
3176 
3177         /* PLLD_OUT0 */
3178         clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
3179                                         CLK_SET_RATE_PARENT, 1, 2);
3180         clk_register_clkdev(clk, "pll_d_out0", NULL);
3181         clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
3182 
3183         /* PLLRE */
3184         clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
3185                                                 clk_base, pmc, 0,
3186                                                 &pll_re_vco_params,
3187                                                 &pll_re_lock, pll_ref_freq);
3188         clk_register_clkdev(clk, "pll_re_vco", NULL);
3189         clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
3190 
3191         clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
3192                                          clk_base + PLLRE_BASE, 16, 5, 0,
3193                                          pll_vco_post_div_table, &pll_re_lock);
3194         clk_register_clkdev(clk, "pll_re_out", NULL);
3195         clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
3196 
3197         clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
3198                                          clk_base + PLLRE_OUT1, 0,
3199                                          TEGRA_DIVIDER_ROUND_UP,
3200                                          8, 8, 1, NULL);
3201         clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
3202                                          clk_base + PLLRE_OUT1, 1, 0,
3203                                          CLK_SET_RATE_PARENT, 0, NULL);
3204         clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
3205 
3206         /* PLLE */
3207         clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
3208                                       clk_base, 0, &pll_e_params, NULL);
3209         clk_register_clkdev(clk, "pll_e", NULL);
3210         clks[TEGRA210_CLK_PLL_E] = clk;
3211 
3212         /* PLLC4 */
3213         clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
3214                              0, &pll_c4_vco_params, NULL, pll_ref_freq);
3215         clk_register_clkdev(clk, "pll_c4_vco", NULL);
3216         clks[TEGRA210_CLK_PLL_C4] = clk;
3217 
3218         /* PLLC4_OUT0 */
3219         clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
3220                                          clk_base + PLLC4_BASE, 19, 4, 0,
3221                                          pll_vco_post_div_table, NULL);
3222         clk_register_clkdev(clk, "pll_c4_out0", NULL);
3223         clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
3224 
3225         /* PLLC4_OUT1 */
3226         clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
3227                                         CLK_SET_RATE_PARENT, 1, 3);
3228         clk_register_clkdev(clk, "pll_c4_out1", NULL);
3229         clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
3230 
3231         /* PLLC4_OUT2 */
3232         clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
3233                                         CLK_SET_RATE_PARENT, 1, 5);
3234         clk_register_clkdev(clk, "pll_c4_out2", NULL);
3235         clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
3236 
3237         /* PLLC4_OUT3 */
3238         clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
3239                         clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3240                         8, 8, 1, NULL);
3241         clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
3242                                 clk_base + PLLC4_OUT, 1, 0,
3243                                 CLK_SET_RATE_PARENT, 0, NULL);
3244         clk_register_clkdev(clk, "pll_c4_out3", NULL);
3245         clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
3246 
3247         /* PLLDP */
3248         clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
3249                                         0, &pll_dp_params, NULL);
3250         clk_register_clkdev(clk, "pll_dp", NULL);
3251         clks[TEGRA210_CLK_PLL_DP] = clk;
3252 
3253         /* PLLD2 */
3254         clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
3255                                         0, &pll_d2_params, NULL);
3256         clk_register_clkdev(clk, "pll_d2", NULL);
3257         clks[TEGRA210_CLK_PLL_D2] = clk;
3258 
3259         /* PLLD2_OUT0 */
3260         clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
3261                                         CLK_SET_RATE_PARENT, 1, 1);
3262         clk_register_clkdev(clk, "pll_d2_out0", NULL);
3263         clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
3264 
3265         /* PLLP_OUT2 */
3266         clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
3267                                         CLK_SET_RATE_PARENT, 1, 2);
3268         clk_register_clkdev(clk, "pll_p_out2", NULL);
3269         clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
3270 
3271 }
3272 
3273 /* Tegra210 CPU clock and reset control functions */
3274 static void tegra210_wait_cpu_in_reset(u32 cpu)
3275 {
3276         unsigned int reg;
3277 
3278         do {
3279                 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
3280                 cpu_relax();
3281         } while (!(reg & (1 << cpu)));  /* check CPU been reset or not */
3282 }
3283 
3284 static void tegra210_disable_cpu_clock(u32 cpu)
3285 {
3286         /* flow controller would take care in the power sequence. */
3287 }
3288 
3289 #ifdef CONFIG_PM_SLEEP
3290 static void tegra210_cpu_clock_suspend(void)
3291 {
3292         /* switch coresite to clk_m, save off original source */
3293         tegra210_cpu_clk_sctx.clk_csite_src =
3294                                 readl(clk_base + CLK_SOURCE_CSITE);
3295         writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
3296 }
3297 
3298 static void tegra210_cpu_clock_resume(void)
3299 {
3300         writel(tegra210_cpu_clk_sctx.clk_csite_src,
3301                                 clk_base + CLK_SOURCE_CSITE);
3302 }
3303 #endif
3304 
3305 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
3306         .wait_for_reset = tegra210_wait_cpu_in_reset,
3307         .disable_clock  = tegra210_disable_cpu_clock,
3308 #ifdef CONFIG_PM_SLEEP
3309         .suspend        = tegra210_cpu_clock_suspend,
3310         .resume         = tegra210_cpu_clock_resume,
3311 #endif
3312 };
3313 
3314 static const struct of_device_id pmc_match[] __initconst = {
3315         { .compatible = "nvidia,tegra210-pmc" },
3316         { },
3317 };
3318 
3319 static struct tegra_clk_init_table init_table[] __initdata = {
3320         { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
3321         { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
3322         { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
3323         { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
3324         { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
3325         { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
3326         { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
3327         { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
3328         { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
3329         { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3330         { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3331         { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3332         { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3333         { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3334         { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
3335         { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
3336         { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 },
3337         { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
3338         { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
3339         { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
3340         { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
3341         { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3342         { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
3343         { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
3344         { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3345         { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3346         { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
3347         { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3348         { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3349         { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
3350         { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
3351         { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
3352         { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3353         /* TODO find a way to enable this on-demand */
3354         { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
3355         { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
3356         { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
3357         { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
3358         { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
3359         { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
3360         { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
3361         { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
3362         { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
3363         { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
3364         { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
3365         { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
3366         { TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3367         { TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3368         { TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3369         { TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3370         { TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3371         { TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3372         { TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3373         { TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 },
3374         { TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 },
3375         /* This MUST be the last entry. */
3376         { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
3377 };
3378 
3379 /**
3380  * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
3381  *
3382  * Program an initial clock rate and enable or disable clocks needed
3383  * by the rest of the kernel, for Tegra210 SoCs.  It is intended to be
3384  * called by assigning a pointer to it to tegra_clk_apply_init_table -
3385  * this will be called as an arch_initcall.  No return value.
3386  */
3387 static void __init tegra210_clock_apply_init_table(void)
3388 {
3389         tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
3390 }
3391 
3392 /**
3393  * tegra210_car_barrier - wait for pending writes to the CAR to complete
3394  *
3395  * Wait for any outstanding writes to the CAR MMIO space from this CPU
3396  * to complete before continuing execution.  No return value.
3397  */
3398 static void tegra210_car_barrier(void)
3399 {
3400         readl_relaxed(clk_base + RST_DFLL_DVCO);
3401 }
3402 
3403 /**
3404  * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3405  *
3406  * Assert the reset line of the DFLL's DVCO.  No return value.
3407  */
3408 static void tegra210_clock_assert_dfll_dvco_reset(void)
3409 {
3410         u32 v;
3411 
3412         v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3413         v |= (1 << DVFS_DFLL_RESET_SHIFT);
3414         writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3415         tegra210_car_barrier();
3416 }
3417 
3418 /**
3419  * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3420  *
3421  * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3422  * operate.  No return value.
3423  */
3424 static void tegra210_clock_deassert_dfll_dvco_reset(void)
3425 {
3426         u32 v;
3427 
3428         v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3429         v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3430         writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3431         tegra210_car_barrier();
3432 }
3433 
3434 static int tegra210_reset_assert(unsigned long id)
3435 {
3436         if (id == TEGRA210_RST_DFLL_DVCO)
3437                 tegra210_clock_assert_dfll_dvco_reset();
3438         else if (id == TEGRA210_RST_ADSP)
3439                 writel(GENMASK(26, 21) | BIT(7),
3440                         clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3441         else
3442                 return -EINVAL;
3443 
3444         return 0;
3445 }
3446 
3447 static int tegra210_reset_deassert(unsigned long id)
3448 {
3449         if (id == TEGRA210_RST_DFLL_DVCO)
3450                 tegra210_clock_deassert_dfll_dvco_reset();
3451         else if (id == TEGRA210_RST_ADSP) {
3452                 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3453                 /*
3454                  * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3455                  * a delay of 5us ensures that it's at least
3456                  * 6 * adsp_cpu_cycle_period long.
3457                  */
3458                 udelay(5);
3459                 writel(GENMASK(26, 22) | BIT(7),
3460                         clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3461         } else
3462                 return -EINVAL;
3463 
3464         return 0;
3465 }
3466 
3467 static void tegra210_mbist_clk_init(void)
3468 {
3469         unsigned int i, j;
3470 
3471         for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) {
3472                 unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks;
3473                 struct clk_bulk_data *clk_data;
3474 
3475                 if (!num_clks)
3476                         continue;
3477 
3478                 clk_data = kmalloc_array(num_clks, sizeof(*clk_data),
3479                                          GFP_KERNEL);
3480                 if (WARN_ON(!clk_data))
3481                         return;
3482 
3483                 tegra210_pg_mbist_war[i].clks = clk_data;
3484                 for (j = 0; j < num_clks; j++) {
3485                         int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j];
3486                         struct clk *clk = clks[clk_id];
3487 
3488                         if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) {
3489                                 kfree(clk_data);
3490                                 tegra210_pg_mbist_war[i].clks = NULL;
3491                                 break;
3492                         }
3493                         clk_data[j].clk = clk;
3494                 }
3495         }
3496 }
3497 
3498 /**
3499  * tegra210_clock_init - Tegra210-specific clock initialization
3500  * @np: struct device_node * of the DT node for the SoC CAR IP block
3501  *
3502  * Register most SoC clocks for the Tegra210 system-on-chip.  Intended
3503  * to be called by the OF init code when a DT node with the
3504  * "nvidia,tegra210-car" string is encountered, and declared with
3505  * CLK_OF_DECLARE.  No return value.
3506  */
3507 static void __init tegra210_clock_init(struct device_node *np)
3508 {
3509         struct device_node *node;
3510         u32 value, clk_m_div;
3511 
3512         clk_base = of_iomap(np, 0);
3513         if (!clk_base) {
3514                 pr_err("ioremap tegra210 CAR failed\n");
3515                 return;
3516         }
3517 
3518         node = of_find_matching_node(NULL, pmc_match);
3519         if (!node) {
3520                 pr_err("Failed to find pmc node\n");
3521                 WARN_ON(1);
3522                 return;
3523         }
3524 
3525         pmc_base = of_iomap(node, 0);
3526         if (!pmc_base) {
3527                 pr_err("Can't map pmc registers\n");
3528                 WARN_ON(1);
3529                 return;
3530         }
3531 
3532         ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K);
3533         if (!ahub_base) {
3534                 pr_err("ioremap tegra210 APE failed\n");
3535                 return;
3536         }
3537 
3538         dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K);
3539         if (!dispa_base) {
3540                 pr_err("ioremap tegra210 DISPA failed\n");
3541                 return;
3542         }
3543 
3544         vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K);
3545         if (!vic_base) {
3546                 pr_err("ioremap tegra210 VIC failed\n");
3547                 return;
3548         }
3549 
3550         clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3551                               TEGRA210_CAR_BANK_COUNT);
3552         if (!clks)
3553                 return;
3554 
3555         value = readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3556         clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3557 
3558         if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3559                                ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3560                                &osc_freq, &pll_ref_freq) < 0)
3561                 return;
3562 
3563         tegra_fixed_clk_init(tegra210_clks);
3564         tegra210_pll_init(clk_base, pmc_base);
3565         tegra210_periph_clk_init(clk_base, pmc_base);
3566         tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3567                              tegra210_audio_plls,
3568                              ARRAY_SIZE(tegra210_audio_plls), 24576000);
3569         tegra_pmc_clk_init(pmc_base, tegra210_clks);
3570 
3571         /* For Tegra210, PLLD is the only source for DSIA & DSIB */
3572         value = readl(clk_base + PLLD_BASE);
3573         value &= ~BIT(25);
3574         writel(value, clk_base + PLLD_BASE);
3575 
3576         tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3577 
3578         tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3579                                   &pll_x_params);
3580         tegra_init_special_resets(2, tegra210_reset_assert,
3581                                   tegra210_reset_deassert);
3582 
3583         tegra_add_of_provider(np, of_clk_src_onecell_get);
3584         tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3585 
3586         tegra210_mbist_clk_init();
3587 
3588         tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3589 }
3590 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);

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