linux/drivers/clk/tegra/clk-tegra210.c
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   1/*
   2 * Copyright (c) 2012-2014 NVIDIA CORPORATION.  All rights reserved.
   3 *
   4 * This program is free software; you can redistribute it and/or modify it
   5 * under the terms and conditions of the GNU General Public License,
   6 * version 2, as published by the Free Software Foundation.
   7 *
   8 * This program is distributed in the hope it will be useful, but WITHOUT
   9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11 * more details.
  12 *
  13 * You should have received a copy of the GNU General Public License
  14 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15 */
  16
  17#include <linux/io.h>
  18#include <linux/clk.h>
  19#include <linux/clk-provider.h>
  20#include <linux/clkdev.h>
  21#include <linux/of.h>
  22#include <linux/of_address.h>
  23#include <linux/delay.h>
  24#include <linux/export.h>
  25#include <linux/clk/tegra.h>
  26#include <dt-bindings/clock/tegra210-car.h>
  27#include <dt-bindings/reset/tegra210-car.h>
  28#include <linux/iopoll.h>
  29
  30#include "clk.h"
  31#include "clk-id.h"
  32
  33/*
  34 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
  35 * banks present in the Tegra210 CAR IP block.  The banks are
  36 * identified by single letters, e.g.: L, H, U, V, W, X, Y.  See
  37 * periph_regs[] in drivers/clk/tegra/clk.c
  38 */
  39#define TEGRA210_CAR_BANK_COUNT                 7
  40
  41#define CLK_SOURCE_CSITE 0x1d4
  42#define CLK_SOURCE_EMC 0x19c
  43
  44#define PLLC_BASE 0x80
  45#define PLLC_OUT 0x84
  46#define PLLC_MISC0 0x88
  47#define PLLC_MISC1 0x8c
  48#define PLLC_MISC2 0x5d0
  49#define PLLC_MISC3 0x5d4
  50
  51#define PLLC2_BASE 0x4e8
  52#define PLLC2_MISC0 0x4ec
  53#define PLLC2_MISC1 0x4f0
  54#define PLLC2_MISC2 0x4f4
  55#define PLLC2_MISC3 0x4f8
  56
  57#define PLLC3_BASE 0x4fc
  58#define PLLC3_MISC0 0x500
  59#define PLLC3_MISC1 0x504
  60#define PLLC3_MISC2 0x508
  61#define PLLC3_MISC3 0x50c
  62
  63#define PLLM_BASE 0x90
  64#define PLLM_MISC1 0x98
  65#define PLLM_MISC2 0x9c
  66#define PLLP_BASE 0xa0
  67#define PLLP_MISC0 0xac
  68#define PLLP_MISC1 0x680
  69#define PLLA_BASE 0xb0
  70#define PLLA_MISC0 0xbc
  71#define PLLA_MISC1 0xb8
  72#define PLLA_MISC2 0x5d8
  73#define PLLD_BASE 0xd0
  74#define PLLD_MISC0 0xdc
  75#define PLLD_MISC1 0xd8
  76#define PLLU_BASE 0xc0
  77#define PLLU_OUTA 0xc4
  78#define PLLU_MISC0 0xcc
  79#define PLLU_MISC1 0xc8
  80#define PLLX_BASE 0xe0
  81#define PLLX_MISC0 0xe4
  82#define PLLX_MISC1 0x510
  83#define PLLX_MISC2 0x514
  84#define PLLX_MISC3 0x518
  85#define PLLX_MISC4 0x5f0
  86#define PLLX_MISC5 0x5f4
  87#define PLLE_BASE 0xe8
  88#define PLLE_MISC0 0xec
  89#define PLLD2_BASE 0x4b8
  90#define PLLD2_MISC0 0x4bc
  91#define PLLD2_MISC1 0x570
  92#define PLLD2_MISC2 0x574
  93#define PLLD2_MISC3 0x578
  94#define PLLE_AUX 0x48c
  95#define PLLRE_BASE 0x4c4
  96#define PLLRE_MISC0 0x4c8
  97#define PLLRE_OUT1 0x4cc
  98#define PLLDP_BASE 0x590
  99#define PLLDP_MISC 0x594
 100
 101#define PLLC4_BASE 0x5a4
 102#define PLLC4_MISC0 0x5a8
 103#define PLLC4_OUT 0x5e4
 104#define PLLMB_BASE 0x5e8
 105#define PLLMB_MISC1 0x5ec
 106#define PLLA1_BASE 0x6a4
 107#define PLLA1_MISC0 0x6a8
 108#define PLLA1_MISC1 0x6ac
 109#define PLLA1_MISC2 0x6b0
 110#define PLLA1_MISC3 0x6b4
 111
 112#define PLLU_IDDQ_BIT 31
 113#define PLLCX_IDDQ_BIT 27
 114#define PLLRE_IDDQ_BIT 24
 115#define PLLA_IDDQ_BIT 25
 116#define PLLD_IDDQ_BIT 20
 117#define PLLSS_IDDQ_BIT 18
 118#define PLLM_IDDQ_BIT 5
 119#define PLLMB_IDDQ_BIT 17
 120#define PLLXP_IDDQ_BIT 3
 121
 122#define PLLCX_RESET_BIT 30
 123
 124#define PLL_BASE_LOCK BIT(27)
 125#define PLLCX_BASE_LOCK BIT(26)
 126#define PLLE_MISC_LOCK BIT(11)
 127#define PLLRE_MISC_LOCK BIT(27)
 128
 129#define PLL_MISC_LOCK_ENABLE 18
 130#define PLLC_MISC_LOCK_ENABLE 24
 131#define PLLDU_MISC_LOCK_ENABLE 22
 132#define PLLU_MISC_LOCK_ENABLE 29
 133#define PLLE_MISC_LOCK_ENABLE 9
 134#define PLLRE_MISC_LOCK_ENABLE 30
 135#define PLLSS_MISC_LOCK_ENABLE 30
 136#define PLLP_MISC_LOCK_ENABLE 18
 137#define PLLM_MISC_LOCK_ENABLE 4
 138#define PLLMB_MISC_LOCK_ENABLE 16
 139#define PLLA_MISC_LOCK_ENABLE 28
 140#define PLLU_MISC_LOCK_ENABLE 29
 141#define PLLD_MISC_LOCK_ENABLE 18
 142
 143#define PLLA_SDM_DIN_MASK 0xffff
 144#define PLLA_SDM_EN_MASK BIT(26)
 145
 146#define PLLD_SDM_EN_MASK BIT(16)
 147
 148#define PLLD2_SDM_EN_MASK BIT(31)
 149#define PLLD2_SSC_EN_MASK 0
 150
 151#define PLLDP_SS_CFG    0x598
 152#define PLLDP_SDM_EN_MASK BIT(31)
 153#define PLLDP_SSC_EN_MASK BIT(30)
 154#define PLLDP_SS_CTRL1  0x59c
 155#define PLLDP_SS_CTRL2  0x5a0
 156
 157#define PMC_PLLM_WB0_OVERRIDE 0x1dc
 158#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
 159
 160#define UTMIP_PLL_CFG2 0x488
 161#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
 162#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
 163#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
 164#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
 165#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
 166#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
 167#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
 168#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
 169#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
 170#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
 171
 172#define UTMIP_PLL_CFG1 0x484
 173#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
 174#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
 175#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
 176#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
 177#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
 178#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
 179#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
 180
 181#define SATA_PLL_CFG0                           0x490
 182#define SATA_PLL_CFG0_PADPLL_RESET_SWCTL        BIT(0)
 183#define SATA_PLL_CFG0_PADPLL_USE_LOCKDET        BIT(2)
 184#define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL         BIT(4)
 185#define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE        BIT(5)
 186#define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE      BIT(6)
 187#define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE    BIT(7)
 188
 189#define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ         BIT(13)
 190#define SATA_PLL_CFG0_SEQ_ENABLE                BIT(24)
 191
 192#define XUSBIO_PLL_CFG0                         0x51c
 193#define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL      BIT(0)
 194#define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL        BIT(2)
 195#define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET      BIT(6)
 196#define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ       BIT(13)
 197#define XUSBIO_PLL_CFG0_SEQ_ENABLE              BIT(24)
 198
 199#define UTMIPLL_HW_PWRDN_CFG0                   0x52c
 200#define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK      BIT(31)
 201#define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE   BIT(25)
 202#define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE        BIT(24)
 203#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE   BIT(7)
 204#define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET       BIT(6)
 205#define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE     BIT(5)
 206#define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL      BIT(4)
 207#define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL  BIT(2)
 208#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE     BIT(1)
 209#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL        BIT(0)
 210
 211#define PLLU_HW_PWRDN_CFG0                      0x530
 212#define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE      BIT(28)
 213#define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE           BIT(24)
 214#define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT    BIT(7)
 215#define PLLU_HW_PWRDN_CFG0_USE_LOCKDET          BIT(6)
 216#define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL     BIT(2)
 217#define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL     BIT(0)
 218
 219#define XUSB_PLL_CFG0                           0x534
 220#define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY          0x3ff
 221#define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK        (0x3ff << 14)
 222
 223#define SPARE_REG0 0x55c
 224#define CLK_M_DIVISOR_SHIFT 2
 225#define CLK_M_DIVISOR_MASK 0x3
 226
 227#define RST_DFLL_DVCO 0x2f4
 228#define DVFS_DFLL_RESET_SHIFT 0
 229
 230#define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
 231#define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
 232
 233/*
 234 * SDM fractional divisor is 16-bit 2's complement signed number within
 235 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
 236 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
 237 * indicate that SDM is disabled.
 238 *
 239 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
 240 */
 241#define PLL_SDM_COEFF BIT(13)
 242#define sdin_din_to_data(din)   ((u16)((din) ? : 0xFFFFU))
 243#define sdin_data_to_din(dat)   (((dat) == 0xFFFFU) ? 0 : (s16)dat)
 244/* This macro returns ndiv effective scaled to SDM range */
 245#define sdin_get_n_eff(cfg)     ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
 246                (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
 247
 248/* Tegra CPU clock and reset control regs */
 249#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS     0x470
 250
 251#ifdef CONFIG_PM_SLEEP
 252static struct cpu_clk_suspend_context {
 253        u32 clk_csite_src;
 254} tegra210_cpu_clk_sctx;
 255#endif
 256
 257static void __iomem *clk_base;
 258static void __iomem *pmc_base;
 259
 260static unsigned long osc_freq;
 261static unsigned long pll_ref_freq;
 262
 263static DEFINE_SPINLOCK(pll_d_lock);
 264static DEFINE_SPINLOCK(pll_e_lock);
 265static DEFINE_SPINLOCK(pll_re_lock);
 266static DEFINE_SPINLOCK(pll_u_lock);
 267static DEFINE_SPINLOCK(emc_lock);
 268
 269/* possible OSC frequencies in Hz */
 270static unsigned long tegra210_input_freq[] = {
 271        [5] = 38400000,
 272        [8] = 12000000,
 273};
 274
 275static const char *mux_pllmcp_clkm[] = {
 276        "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
 277        "pll_p",
 278};
 279#define mux_pllmcp_clkm_idx NULL
 280
 281#define PLL_ENABLE                      (1 << 30)
 282
 283#define PLLCX_MISC1_IDDQ                (1 << 27)
 284#define PLLCX_MISC0_RESET               (1 << 30)
 285
 286#define PLLCX_MISC0_DEFAULT_VALUE       0x40080000
 287#define PLLCX_MISC0_WRITE_MASK          0x400ffffb
 288#define PLLCX_MISC1_DEFAULT_VALUE       0x08000000
 289#define PLLCX_MISC1_WRITE_MASK          0x08003cff
 290#define PLLCX_MISC2_DEFAULT_VALUE       0x1f720f05
 291#define PLLCX_MISC2_WRITE_MASK          0xffffff17
 292#define PLLCX_MISC3_DEFAULT_VALUE       0x000000c4
 293#define PLLCX_MISC3_WRITE_MASK          0x00ffffff
 294
 295/* PLLA */
 296#define PLLA_BASE_IDDQ                  (1 << 25)
 297#define PLLA_BASE_LOCK                  (1 << 27)
 298
 299#define PLLA_MISC0_LOCK_ENABLE          (1 << 28)
 300#define PLLA_MISC0_LOCK_OVERRIDE        (1 << 27)
 301
 302#define PLLA_MISC2_EN_SDM               (1 << 26)
 303#define PLLA_MISC2_EN_DYNRAMP           (1 << 25)
 304
 305#define PLLA_MISC0_DEFAULT_VALUE        0x12000020
 306#define PLLA_MISC0_WRITE_MASK           0x7fffffff
 307#define PLLA_MISC2_DEFAULT_VALUE        0x0
 308#define PLLA_MISC2_WRITE_MASK           0x06ffffff
 309
 310/* PLLD */
 311#define PLLD_MISC0_EN_SDM               (1 << 16)
 312#define PLLD_MISC0_LOCK_OVERRIDE        (1 << 17)
 313#define PLLD_MISC0_LOCK_ENABLE          (1 << 18)
 314#define PLLD_MISC0_IDDQ                 (1 << 20)
 315#define PLLD_MISC0_DSI_CLKENABLE        (1 << 21)
 316
 317#define PLLD_MISC0_DEFAULT_VALUE        0x00140000
 318#define PLLD_MISC0_WRITE_MASK           0x3ff7ffff
 319#define PLLD_MISC1_DEFAULT_VALUE        0x20
 320#define PLLD_MISC1_WRITE_MASK           0x00ffffff
 321
 322/* PLLD2 and PLLDP  and PLLC4 */
 323#define PLLDSS_BASE_LOCK                (1 << 27)
 324#define PLLDSS_BASE_LOCK_OVERRIDE       (1 << 24)
 325#define PLLDSS_BASE_IDDQ                (1 << 18)
 326#define PLLDSS_BASE_REF_SEL_SHIFT       25
 327#define PLLDSS_BASE_REF_SEL_MASK        (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
 328
 329#define PLLDSS_MISC0_LOCK_ENABLE        (1 << 30)
 330
 331#define PLLDSS_MISC1_CFG_EN_SDM         (1 << 31)
 332#define PLLDSS_MISC1_CFG_EN_SSC         (1 << 30)
 333
 334#define PLLD2_MISC0_DEFAULT_VALUE       0x40000020
 335#define PLLD2_MISC1_CFG_DEFAULT_VALUE   0x10000000
 336#define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
 337#define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
 338
 339#define PLLDP_MISC0_DEFAULT_VALUE       0x40000020
 340#define PLLDP_MISC1_CFG_DEFAULT_VALUE   0xc0000000
 341#define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
 342#define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
 343
 344#define PLLDSS_MISC0_WRITE_MASK         0x47ffffff
 345#define PLLDSS_MISC1_CFG_WRITE_MASK     0xf8000000
 346#define PLLDSS_MISC2_CTRL1_WRITE_MASK   0xffffffff
 347#define PLLDSS_MISC3_CTRL2_WRITE_MASK   0xffffffff
 348
 349#define PLLC4_MISC0_DEFAULT_VALUE       0x40000000
 350
 351/* PLLRE */
 352#define PLLRE_MISC0_LOCK_ENABLE         (1 << 30)
 353#define PLLRE_MISC0_LOCK_OVERRIDE       (1 << 29)
 354#define PLLRE_MISC0_LOCK                (1 << 27)
 355#define PLLRE_MISC0_IDDQ                (1 << 24)
 356
 357#define PLLRE_BASE_DEFAULT_VALUE        0x0
 358#define PLLRE_MISC0_DEFAULT_VALUE       0x41000000
 359
 360#define PLLRE_BASE_DEFAULT_MASK         0x1c000000
 361#define PLLRE_MISC0_WRITE_MASK          0x67ffffff
 362
 363/* PLLX */
 364#define PLLX_USE_DYN_RAMP               1
 365#define PLLX_BASE_LOCK                  (1 << 27)
 366
 367#define PLLX_MISC0_FO_G_DISABLE         (0x1 << 28)
 368#define PLLX_MISC0_LOCK_ENABLE          (0x1 << 18)
 369
 370#define PLLX_MISC2_DYNRAMP_STEPB_SHIFT  24
 371#define PLLX_MISC2_DYNRAMP_STEPB_MASK   (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
 372#define PLLX_MISC2_DYNRAMP_STEPA_SHIFT  16
 373#define PLLX_MISC2_DYNRAMP_STEPA_MASK   (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
 374#define PLLX_MISC2_NDIV_NEW_SHIFT       8
 375#define PLLX_MISC2_NDIV_NEW_MASK        (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
 376#define PLLX_MISC2_LOCK_OVERRIDE        (0x1 << 4)
 377#define PLLX_MISC2_DYNRAMP_DONE         (0x1 << 2)
 378#define PLLX_MISC2_EN_DYNRAMP           (0x1 << 0)
 379
 380#define PLLX_MISC3_IDDQ                 (0x1 << 3)
 381
 382#define PLLX_MISC0_DEFAULT_VALUE        PLLX_MISC0_LOCK_ENABLE
 383#define PLLX_MISC0_WRITE_MASK           0x10c40000
 384#define PLLX_MISC1_DEFAULT_VALUE        0x20
 385#define PLLX_MISC1_WRITE_MASK           0x00ffffff
 386#define PLLX_MISC2_DEFAULT_VALUE        0x0
 387#define PLLX_MISC2_WRITE_MASK           0xffffff11
 388#define PLLX_MISC3_DEFAULT_VALUE        PLLX_MISC3_IDDQ
 389#define PLLX_MISC3_WRITE_MASK           0x01ff0f0f
 390#define PLLX_MISC4_DEFAULT_VALUE        0x0
 391#define PLLX_MISC4_WRITE_MASK           0x8000ffff
 392#define PLLX_MISC5_DEFAULT_VALUE        0x0
 393#define PLLX_MISC5_WRITE_MASK           0x0000ffff
 394
 395#define PLLX_HW_CTRL_CFG                0x548
 396#define PLLX_HW_CTRL_CFG_SWCTRL         (0x1 << 0)
 397
 398/* PLLMB */
 399#define PLLMB_BASE_LOCK                 (1 << 27)
 400
 401#define PLLMB_MISC1_LOCK_OVERRIDE       (1 << 18)
 402#define PLLMB_MISC1_IDDQ                (1 << 17)
 403#define PLLMB_MISC1_LOCK_ENABLE         (1 << 16)
 404
 405#define PLLMB_MISC1_DEFAULT_VALUE       0x00030000
 406#define PLLMB_MISC1_WRITE_MASK          0x0007ffff
 407
 408/* PLLP */
 409#define PLLP_BASE_OVERRIDE              (1 << 28)
 410#define PLLP_BASE_LOCK                  (1 << 27)
 411
 412#define PLLP_MISC0_LOCK_ENABLE          (1 << 18)
 413#define PLLP_MISC0_LOCK_OVERRIDE        (1 << 17)
 414#define PLLP_MISC0_IDDQ                 (1 << 3)
 415
 416#define PLLP_MISC1_HSIO_EN_SHIFT        29
 417#define PLLP_MISC1_HSIO_EN              (1 << PLLP_MISC1_HSIO_EN_SHIFT)
 418#define PLLP_MISC1_XUSB_EN_SHIFT        28
 419#define PLLP_MISC1_XUSB_EN              (1 << PLLP_MISC1_XUSB_EN_SHIFT)
 420
 421#define PLLP_MISC0_DEFAULT_VALUE        0x00040008
 422#define PLLP_MISC1_DEFAULT_VALUE        0x0
 423
 424#define PLLP_MISC0_WRITE_MASK           0xdc6000f
 425#define PLLP_MISC1_WRITE_MASK           0x70ffffff
 426
 427/* PLLU */
 428#define PLLU_BASE_LOCK                  (1 << 27)
 429#define PLLU_BASE_OVERRIDE              (1 << 24)
 430#define PLLU_BASE_CLKENABLE_USB         (1 << 21)
 431#define PLLU_BASE_CLKENABLE_HSIC        (1 << 22)
 432#define PLLU_BASE_CLKENABLE_ICUSB       (1 << 23)
 433#define PLLU_BASE_CLKENABLE_48M         (1 << 25)
 434#define PLLU_BASE_CLKENABLE_ALL         (PLLU_BASE_CLKENABLE_USB |\
 435                                         PLLU_BASE_CLKENABLE_HSIC |\
 436                                         PLLU_BASE_CLKENABLE_ICUSB |\
 437                                         PLLU_BASE_CLKENABLE_48M)
 438
 439#define PLLU_MISC0_IDDQ                 (1 << 31)
 440#define PLLU_MISC0_LOCK_ENABLE          (1 << 29)
 441#define PLLU_MISC1_LOCK_OVERRIDE        (1 << 0)
 442
 443#define PLLU_MISC0_DEFAULT_VALUE        0xa0000000
 444#define PLLU_MISC1_DEFAULT_VALUE        0x0
 445
 446#define PLLU_MISC0_WRITE_MASK           0xbfffffff
 447#define PLLU_MISC1_WRITE_MASK           0x00000007
 448
 449void tegra210_xusb_pll_hw_control_enable(void)
 450{
 451        u32 val;
 452
 453        val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
 454        val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
 455                 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
 456        val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
 457               XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
 458        writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
 459}
 460EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
 461
 462void tegra210_xusb_pll_hw_sequence_start(void)
 463{
 464        u32 val;
 465
 466        val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
 467        val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
 468        writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
 469}
 470EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
 471
 472void tegra210_sata_pll_hw_control_enable(void)
 473{
 474        u32 val;
 475
 476        val = readl_relaxed(clk_base + SATA_PLL_CFG0);
 477        val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
 478        val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
 479               SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
 480        writel_relaxed(val, clk_base + SATA_PLL_CFG0);
 481}
 482EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
 483
 484void tegra210_sata_pll_hw_sequence_start(void)
 485{
 486        u32 val;
 487
 488        val = readl_relaxed(clk_base + SATA_PLL_CFG0);
 489        val |= SATA_PLL_CFG0_SEQ_ENABLE;
 490        writel_relaxed(val, clk_base + SATA_PLL_CFG0);
 491}
 492EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
 493
 494void tegra210_set_sata_pll_seq_sw(bool state)
 495{
 496        u32 val;
 497
 498        val = readl_relaxed(clk_base + SATA_PLL_CFG0);
 499        if (state) {
 500                val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
 501                val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
 502                val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
 503                val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
 504        } else {
 505                val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
 506                val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
 507                val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
 508                val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
 509        }
 510        writel_relaxed(val, clk_base + SATA_PLL_CFG0);
 511}
 512EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
 513
 514static inline void _pll_misc_chk_default(void __iomem *base,
 515                                        struct tegra_clk_pll_params *params,
 516                                        u8 misc_num, u32 default_val, u32 mask)
 517{
 518        u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
 519
 520        boot_val &= mask;
 521        default_val &= mask;
 522        if (boot_val != default_val) {
 523                pr_warn("boot misc%d 0x%x: expected 0x%x\n",
 524                        misc_num, boot_val, default_val);
 525                pr_warn(" (comparison mask = 0x%x)\n", mask);
 526                params->defaults_set = false;
 527        }
 528}
 529
 530/*
 531 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
 532 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
 533 * that changes NDIV only, while PLL is already locked.
 534 */
 535static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
 536{
 537        u32 default_val;
 538
 539        default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
 540        _pll_misc_chk_default(clk_base, params, 0, default_val,
 541                        PLLCX_MISC0_WRITE_MASK);
 542
 543        default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
 544        _pll_misc_chk_default(clk_base, params, 1, default_val,
 545                        PLLCX_MISC1_WRITE_MASK);
 546
 547        default_val = PLLCX_MISC2_DEFAULT_VALUE;
 548        _pll_misc_chk_default(clk_base, params, 2, default_val,
 549                        PLLCX_MISC2_WRITE_MASK);
 550
 551        default_val = PLLCX_MISC3_DEFAULT_VALUE;
 552        _pll_misc_chk_default(clk_base, params, 3, default_val,
 553                        PLLCX_MISC3_WRITE_MASK);
 554}
 555
 556static void tegra210_pllcx_set_defaults(const char *name,
 557                                        struct tegra_clk_pll *pllcx)
 558{
 559        pllcx->params->defaults_set = true;
 560
 561        if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
 562                /* PLL is ON: only check if defaults already set */
 563                pllcx_check_defaults(pllcx->params);
 564                if (!pllcx->params->defaults_set)
 565                        pr_warn("%s already enabled. Postponing set full defaults\n",
 566                                name);
 567                return;
 568        }
 569
 570        /* Defaults assert PLL reset, and set IDDQ */
 571        writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
 572                        clk_base + pllcx->params->ext_misc_reg[0]);
 573        writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
 574                        clk_base + pllcx->params->ext_misc_reg[1]);
 575        writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
 576                        clk_base + pllcx->params->ext_misc_reg[2]);
 577        writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
 578                        clk_base + pllcx->params->ext_misc_reg[3]);
 579        udelay(1);
 580}
 581
 582static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
 583{
 584        tegra210_pllcx_set_defaults("PLL_C", pllcx);
 585}
 586
 587static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
 588{
 589        tegra210_pllcx_set_defaults("PLL_C2", pllcx);
 590}
 591
 592static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
 593{
 594        tegra210_pllcx_set_defaults("PLL_C3", pllcx);
 595}
 596
 597static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
 598{
 599        tegra210_pllcx_set_defaults("PLL_A1", pllcx);
 600}
 601
 602/*
 603 * PLLA
 604 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
 605 * Fractional SDM is allowed to provide exact audio rates.
 606 */
 607static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
 608{
 609        u32 mask;
 610        u32 val = readl_relaxed(clk_base + plla->params->base_reg);
 611
 612        plla->params->defaults_set = true;
 613
 614        if (val & PLL_ENABLE) {
 615                /*
 616                 * PLL is ON: check if defaults already set, then set those
 617                 * that can be updated in flight.
 618                 */
 619                if (val & PLLA_BASE_IDDQ) {
 620                        pr_warn("PLL_A boot enabled with IDDQ set\n");
 621                        plla->params->defaults_set = false;
 622                }
 623
 624                pr_warn("PLL_A already enabled. Postponing set full defaults\n");
 625
 626                val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
 627                mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
 628                _pll_misc_chk_default(clk_base, plla->params, 0, val,
 629                                ~mask & PLLA_MISC0_WRITE_MASK);
 630
 631                val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
 632                _pll_misc_chk_default(clk_base, plla->params, 2, val,
 633                                PLLA_MISC2_EN_DYNRAMP);
 634
 635                /* Enable lock detect */
 636                val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
 637                val &= ~mask;
 638                val |= PLLA_MISC0_DEFAULT_VALUE & mask;
 639                writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
 640                udelay(1);
 641
 642                return;
 643        }
 644
 645        /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
 646        val |= PLLA_BASE_IDDQ;
 647        writel_relaxed(val, clk_base + plla->params->base_reg);
 648        writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
 649                        clk_base + plla->params->ext_misc_reg[0]);
 650        writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
 651                        clk_base + plla->params->ext_misc_reg[2]);
 652        udelay(1);
 653}
 654
 655/*
 656 * PLLD
 657 * PLL with fractional SDM.
 658 */
 659static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
 660{
 661        u32 val;
 662        u32 mask = 0xffff;
 663
 664        plld->params->defaults_set = true;
 665
 666        if (readl_relaxed(clk_base + plld->params->base_reg) &
 667                        PLL_ENABLE) {
 668
 669                /*
 670                 * PLL is ON: check if defaults already set, then set those
 671                 * that can be updated in flight.
 672                 */
 673                val = PLLD_MISC1_DEFAULT_VALUE;
 674                _pll_misc_chk_default(clk_base, plld->params, 1,
 675                                val, PLLD_MISC1_WRITE_MASK);
 676
 677                /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
 678                val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
 679                mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
 680                        PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
 681                _pll_misc_chk_default(clk_base, plld->params, 0, val,
 682                                ~mask & PLLD_MISC0_WRITE_MASK);
 683
 684                if (!plld->params->defaults_set)
 685                        pr_warn("PLL_D already enabled. Postponing set full defaults\n");
 686
 687                /* Enable lock detect */
 688                mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
 689                val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
 690                val &= ~mask;
 691                val |= PLLD_MISC0_DEFAULT_VALUE & mask;
 692                writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
 693                udelay(1);
 694
 695                return;
 696        }
 697
 698        val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
 699        val &= PLLD_MISC0_DSI_CLKENABLE;
 700        val |= PLLD_MISC0_DEFAULT_VALUE;
 701        /* set IDDQ, enable lock detect, disable SDM */
 702        writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
 703        writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
 704                        plld->params->ext_misc_reg[1]);
 705        udelay(1);
 706}
 707
 708/*
 709 * PLLD2, PLLDP
 710 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
 711 */
 712static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
 713                u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
 714{
 715        u32 default_val;
 716        u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
 717
 718        plldss->params->defaults_set = true;
 719
 720        if (val & PLL_ENABLE) {
 721
 722                /*
 723                 * PLL is ON: check if defaults already set, then set those
 724                 * that can be updated in flight.
 725                 */
 726                if (val & PLLDSS_BASE_IDDQ) {
 727                        pr_warn("plldss boot enabled with IDDQ set\n");
 728                        plldss->params->defaults_set = false;
 729                }
 730
 731                /* ignore lock enable */
 732                default_val = misc0_val;
 733                _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
 734                                     PLLDSS_MISC0_WRITE_MASK &
 735                                     (~PLLDSS_MISC0_LOCK_ENABLE));
 736
 737                /*
 738                 * If SSC is used, check all settings, otherwise just confirm
 739                 * that SSC is not used on boot as well. Do nothing when using
 740                 * this function for PLLC4 that has only MISC0.
 741                 */
 742                if (plldss->params->ssc_ctrl_en_mask) {
 743                        default_val = misc1_val;
 744                        _pll_misc_chk_default(clk_base, plldss->params, 1,
 745                                default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
 746                        default_val = misc2_val;
 747                        _pll_misc_chk_default(clk_base, plldss->params, 2,
 748                                default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
 749                        default_val = misc3_val;
 750                        _pll_misc_chk_default(clk_base, plldss->params, 3,
 751                                default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
 752                } else if (plldss->params->ext_misc_reg[1]) {
 753                        default_val = misc1_val;
 754                        _pll_misc_chk_default(clk_base, plldss->params, 1,
 755                                default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
 756                                (~PLLDSS_MISC1_CFG_EN_SDM));
 757                }
 758
 759                if (!plldss->params->defaults_set)
 760                        pr_warn("%s already enabled. Postponing set full defaults\n",
 761                                 pll_name);
 762
 763                /* Enable lock detect */
 764                if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
 765                        val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
 766                        writel_relaxed(val, clk_base +
 767                                        plldss->params->base_reg);
 768                }
 769
 770                val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
 771                val &= ~PLLDSS_MISC0_LOCK_ENABLE;
 772                val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
 773                writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
 774                udelay(1);
 775
 776                return;
 777        }
 778
 779        /* set IDDQ, enable lock detect, configure SDM/SSC  */
 780        val |= PLLDSS_BASE_IDDQ;
 781        val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
 782        writel_relaxed(val, clk_base + plldss->params->base_reg);
 783
 784        /* When using this function for PLLC4 exit here */
 785        if (!plldss->params->ext_misc_reg[1]) {
 786                writel_relaxed(misc0_val, clk_base +
 787                                plldss->params->ext_misc_reg[0]);
 788                udelay(1);
 789                return;
 790        }
 791
 792        writel_relaxed(misc0_val, clk_base +
 793                        plldss->params->ext_misc_reg[0]);
 794        /* if SSC used set by 1st enable */
 795        writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
 796                        clk_base + plldss->params->ext_misc_reg[1]);
 797        writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
 798        writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
 799        udelay(1);
 800}
 801
 802static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
 803{
 804        plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
 805                        PLLD2_MISC1_CFG_DEFAULT_VALUE,
 806                        PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
 807                        PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
 808}
 809
 810static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
 811{
 812        plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
 813                        PLLDP_MISC1_CFG_DEFAULT_VALUE,
 814                        PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
 815                        PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
 816}
 817
 818/*
 819 * PLLC4
 820 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
 821 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
 822 */
 823static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
 824{
 825        plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
 826}
 827
 828/*
 829 * PLLRE
 830 * VCO is exposed to the clock tree directly along with post-divider output
 831 */
 832static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
 833{
 834        u32 mask;
 835        u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
 836
 837        pllre->params->defaults_set = true;
 838
 839        if (val & PLL_ENABLE) {
 840                pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
 841
 842                /*
 843                 * PLL is ON: check if defaults already set, then set those
 844                 * that can be updated in flight.
 845                 */
 846                val &= PLLRE_BASE_DEFAULT_MASK;
 847                if (val != PLLRE_BASE_DEFAULT_VALUE) {
 848                        pr_warn("pllre boot base 0x%x : expected 0x%x\n",
 849                                val, PLLRE_BASE_DEFAULT_VALUE);
 850                        pr_warn("(comparison mask = 0x%x)\n",
 851                                PLLRE_BASE_DEFAULT_MASK);
 852                        pllre->params->defaults_set = false;
 853                }
 854
 855                /* Ignore lock enable */
 856                val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
 857                mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
 858                _pll_misc_chk_default(clk_base, pllre->params, 0, val,
 859                                ~mask & PLLRE_MISC0_WRITE_MASK);
 860
 861                /* Enable lock detect */
 862                val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
 863                val &= ~mask;
 864                val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
 865                writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
 866                udelay(1);
 867
 868                return;
 869        }
 870
 871        /* set IDDQ, enable lock detect */
 872        val &= ~PLLRE_BASE_DEFAULT_MASK;
 873        val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
 874        writel_relaxed(val, clk_base + pllre->params->base_reg);
 875        writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
 876                        clk_base + pllre->params->ext_misc_reg[0]);
 877        udelay(1);
 878}
 879
 880static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
 881{
 882        unsigned long input_rate;
 883
 884        /* cf rate */
 885        if (!IS_ERR_OR_NULL(hw->clk))
 886                input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
 887        else
 888                input_rate = 38400000;
 889
 890        input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
 891
 892        switch (input_rate) {
 893        case 12000000:
 894        case 12800000:
 895        case 13000000:
 896                *step_a = 0x2B;
 897                *step_b = 0x0B;
 898                return;
 899        case 19200000:
 900                *step_a = 0x12;
 901                *step_b = 0x08;
 902                return;
 903        case 38400000:
 904                *step_a = 0x04;
 905                *step_b = 0x05;
 906                return;
 907        default:
 908                pr_err("%s: Unexpected reference rate %lu\n",
 909                        __func__, input_rate);
 910                BUG();
 911        }
 912}
 913
 914static void pllx_check_defaults(struct tegra_clk_pll *pll)
 915{
 916        u32 default_val;
 917
 918        default_val = PLLX_MISC0_DEFAULT_VALUE;
 919        /* ignore lock enable */
 920        _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
 921                        PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
 922
 923        default_val = PLLX_MISC1_DEFAULT_VALUE;
 924        _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
 925                        PLLX_MISC1_WRITE_MASK);
 926
 927        /* ignore all but control bit */
 928        default_val = PLLX_MISC2_DEFAULT_VALUE;
 929        _pll_misc_chk_default(clk_base, pll->params, 2,
 930                        default_val, PLLX_MISC2_EN_DYNRAMP);
 931
 932        default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
 933        _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
 934                        PLLX_MISC3_WRITE_MASK);
 935
 936        default_val = PLLX_MISC4_DEFAULT_VALUE;
 937        _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
 938                        PLLX_MISC4_WRITE_MASK);
 939
 940        default_val = PLLX_MISC5_DEFAULT_VALUE;
 941        _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
 942                        PLLX_MISC5_WRITE_MASK);
 943}
 944
 945static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
 946{
 947        u32 val;
 948        u32 step_a, step_b;
 949
 950        pllx->params->defaults_set = true;
 951
 952        /* Get ready dyn ramp state machine settings */
 953        pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
 954        val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
 955                (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
 956        val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
 957        val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
 958
 959        if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
 960
 961                /*
 962                 * PLL is ON: check if defaults already set, then set those
 963                 * that can be updated in flight.
 964                 */
 965                pllx_check_defaults(pllx);
 966
 967                if (!pllx->params->defaults_set)
 968                        pr_warn("PLL_X already enabled. Postponing set full defaults\n");
 969                /* Configure dyn ramp, disable lock override */
 970                writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
 971
 972                /* Enable lock detect */
 973                val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
 974                val &= ~PLLX_MISC0_LOCK_ENABLE;
 975                val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
 976                writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
 977                udelay(1);
 978
 979                return;
 980        }
 981
 982        /* Enable lock detect and CPU output */
 983        writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
 984                        pllx->params->ext_misc_reg[0]);
 985
 986        /* Setup */
 987        writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
 988                        pllx->params->ext_misc_reg[1]);
 989
 990        /* Configure dyn ramp state machine, disable lock override */
 991        writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
 992
 993        /* Set IDDQ */
 994        writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
 995                        pllx->params->ext_misc_reg[3]);
 996
 997        /* Disable SDM */
 998        writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
 999                        pllx->params->ext_misc_reg[4]);
1000        writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
1001                        pllx->params->ext_misc_reg[5]);
1002        udelay(1);
1003}
1004
1005/* PLLMB */
1006static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
1007{
1008        u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
1009
1010        pllmb->params->defaults_set = true;
1011
1012        if (val & PLL_ENABLE) {
1013
1014                /*
1015                 * PLL is ON: check if defaults already set, then set those
1016                 * that can be updated in flight.
1017                 */
1018                val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
1019                mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
1020                _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
1021                                ~mask & PLLMB_MISC1_WRITE_MASK);
1022
1023                if (!pllmb->params->defaults_set)
1024                        pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
1025                /* Enable lock detect */
1026                val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
1027                val &= ~mask;
1028                val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
1029                writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1030                udelay(1);
1031
1032                return;
1033        }
1034
1035        /* set IDDQ, enable lock detect */
1036        writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
1037                        clk_base + pllmb->params->ext_misc_reg[0]);
1038        udelay(1);
1039}
1040
1041/*
1042 * PLLP
1043 * VCO is exposed to the clock tree directly along with post-divider output.
1044 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1045 * respectively.
1046 */
1047static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1048{
1049        u32 val, mask;
1050
1051        /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1052        val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1053        mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1054        if (!enabled)
1055                mask |= PLLP_MISC0_IDDQ;
1056        _pll_misc_chk_default(clk_base, pll->params, 0, val,
1057                        ~mask & PLLP_MISC0_WRITE_MASK);
1058
1059        /* Ignore branch controls */
1060        val = PLLP_MISC1_DEFAULT_VALUE;
1061        mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1062        _pll_misc_chk_default(clk_base, pll->params, 1, val,
1063                        ~mask & PLLP_MISC1_WRITE_MASK);
1064}
1065
1066static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
1067{
1068        u32 mask;
1069        u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1070
1071        pllp->params->defaults_set = true;
1072
1073        if (val & PLL_ENABLE) {
1074
1075                /*
1076                 * PLL is ON: check if defaults already set, then set those
1077                 * that can be updated in flight.
1078                 */
1079                pllp_check_defaults(pllp, true);
1080                if (!pllp->params->defaults_set)
1081                        pr_warn("PLL_P already enabled. Postponing set full defaults\n");
1082
1083                /* Enable lock detect */
1084                val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1085                mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1086                val &= ~mask;
1087                val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1088                writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1089                udelay(1);
1090
1091                return;
1092        }
1093
1094        /* set IDDQ, enable lock detect */
1095        writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1096                        clk_base + pllp->params->ext_misc_reg[0]);
1097
1098        /* Preserve branch control */
1099        val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1100        mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1101        val &= mask;
1102        val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1103        writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1104        udelay(1);
1105}
1106
1107/*
1108 * PLLU
1109 * VCO is exposed to the clock tree directly along with post-divider output.
1110 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1111 * respectively.
1112 */
1113static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1114                                bool hw_control)
1115{
1116        u32 val, mask;
1117
1118        /* Ignore lock enable (will be set) and IDDQ if under h/w control */
1119        val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1120        mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
1121        _pll_misc_chk_default(clk_base, params, 0, val,
1122                        ~mask & PLLU_MISC0_WRITE_MASK);
1123
1124        val = PLLU_MISC1_DEFAULT_VALUE;
1125        mask = PLLU_MISC1_LOCK_OVERRIDE;
1126        _pll_misc_chk_default(clk_base, params, 1, val,
1127                        ~mask & PLLU_MISC1_WRITE_MASK);
1128}
1129
1130static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
1131{
1132        u32 val = readl_relaxed(clk_base + pllu->base_reg);
1133
1134        pllu->defaults_set = true;
1135
1136        if (val & PLL_ENABLE) {
1137
1138                /*
1139                 * PLL is ON: check if defaults already set, then set those
1140                 * that can be updated in flight.
1141                 */
1142                pllu_check_defaults(pllu, false);
1143                if (!pllu->defaults_set)
1144                        pr_warn("PLL_U already enabled. Postponing set full defaults\n");
1145
1146                /* Enable lock detect */
1147                val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
1148                val &= ~PLLU_MISC0_LOCK_ENABLE;
1149                val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
1150                writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
1151
1152                val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
1153                val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1154                val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
1155                writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
1156                udelay(1);
1157
1158                return;
1159        }
1160
1161        /* set IDDQ, enable lock detect */
1162        writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
1163                        clk_base + pllu->ext_misc_reg[0]);
1164        writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
1165                        clk_base + pllu->ext_misc_reg[1]);
1166        udelay(1);
1167}
1168
1169#define mask(w) ((1 << (w)) - 1)
1170#define divm_mask(p) mask(p->params->div_nmp->divm_width)
1171#define divn_mask(p) mask(p->params->div_nmp->divn_width)
1172#define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1173                      mask(p->params->div_nmp->divp_width))
1174
1175#define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1176#define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1177#define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1178
1179#define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1180#define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1181#define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1182
1183#define PLL_LOCKDET_DELAY 2     /* Lock detection safety delays */
1184static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1185                                  u32 reg, u32 mask)
1186{
1187        int i;
1188        u32 val = 0;
1189
1190        for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1191                udelay(PLL_LOCKDET_DELAY);
1192                val = readl_relaxed(clk_base + reg);
1193                if ((val & mask) == mask) {
1194                        udelay(PLL_LOCKDET_DELAY);
1195                        return 0;
1196                }
1197        }
1198        return -ETIMEDOUT;
1199}
1200
1201static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1202                struct tegra_clk_pll_freq_table *cfg)
1203{
1204        u32 val, base, ndiv_new_mask;
1205
1206        ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1207                         << PLLX_MISC2_NDIV_NEW_SHIFT;
1208
1209        val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1210        val &= (~ndiv_new_mask);
1211        val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1212        writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1213        udelay(1);
1214
1215        val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1216        val |= PLLX_MISC2_EN_DYNRAMP;
1217        writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1218        udelay(1);
1219
1220        tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1221                               PLLX_MISC2_DYNRAMP_DONE);
1222
1223        base = readl_relaxed(clk_base + pllx->params->base_reg) &
1224                (~divn_mask_shifted(pllx));
1225        base |= cfg->n << pllx->params->div_nmp->divn_shift;
1226        writel_relaxed(base, clk_base + pllx->params->base_reg);
1227        udelay(1);
1228
1229        val &= ~PLLX_MISC2_EN_DYNRAMP;
1230        writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1231        udelay(1);
1232
1233        pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1234                 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1235                 cfg->input_rate / cfg->m * cfg->n /
1236                 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1237
1238        return 0;
1239}
1240
1241/*
1242 * Common configuration for PLLs with fixed input divider policy:
1243 * - always set fixed M-value based on the reference rate
1244 * - always set P-value value 1:1 for output rates above VCO minimum, and
1245 *   choose minimum necessary P-value for output rates below VCO maximum
1246 * - calculate N-value based on selected M and P
1247 * - calculate SDM_DIN fractional part
1248 */
1249static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1250                               struct tegra_clk_pll_freq_table *cfg,
1251                               unsigned long rate, unsigned long input_rate)
1252{
1253        struct tegra_clk_pll *pll = to_clk_pll(hw);
1254        struct tegra_clk_pll_params *params = pll->params;
1255        int p;
1256        unsigned long cf, p_rate;
1257        u32 pdiv;
1258
1259        if (!rate)
1260                return -EINVAL;
1261
1262        if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1263                p = DIV_ROUND_UP(params->vco_min, rate);
1264                p = params->round_p_to_pdiv(p, &pdiv);
1265        } else {
1266                p = rate >= params->vco_min ? 1 : -EINVAL;
1267        }
1268
1269        if (p < 0)
1270                return -EINVAL;
1271
1272        cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1273        cfg->p = p;
1274
1275        /* Store P as HW value, as that is what is expected */
1276        cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1277
1278        p_rate = rate * p;
1279        if (p_rate > params->vco_max)
1280                p_rate = params->vco_max;
1281        cf = input_rate / cfg->m;
1282        cfg->n = p_rate / cf;
1283
1284        cfg->sdm_data = 0;
1285        cfg->output_rate = input_rate;
1286        if (params->sdm_ctrl_reg) {
1287                unsigned long rem = p_rate - cf * cfg->n;
1288                /* If ssc is enabled SDM enabled as well, even for integer n */
1289                if (rem || params->ssc_ctrl_reg) {
1290                        u64 s = rem * PLL_SDM_COEFF;
1291
1292                        do_div(s, cf);
1293                        s -= PLL_SDM_COEFF / 2;
1294                        cfg->sdm_data = sdin_din_to_data(s);
1295                }
1296                cfg->output_rate *= sdin_get_n_eff(cfg);
1297                cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1298        } else {
1299                cfg->output_rate *= cfg->n;
1300                cfg->output_rate /= p * cfg->m;
1301        }
1302
1303        cfg->input_rate = input_rate;
1304
1305        return 0;
1306}
1307
1308/*
1309 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1310 *
1311 * @cfg: struct tegra_clk_pll_freq_table * cfg
1312 *
1313 * For Normal mode:
1314 *     Fvco = Fref * NDIV / MDIV
1315 *
1316 * For fractional mode:
1317 *     Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1318 */
1319static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1320{
1321        cfg->n = sdin_get_n_eff(cfg);
1322        cfg->m *= PLL_SDM_COEFF;
1323}
1324
1325static unsigned long
1326tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1327                            unsigned long parent_rate)
1328{
1329        unsigned long vco_min = params->vco_min;
1330
1331        params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1332        vco_min = min(vco_min, params->vco_min);
1333
1334        return vco_min;
1335}
1336
1337static struct div_nmp pllx_nmp = {
1338        .divm_shift = 0,
1339        .divm_width = 8,
1340        .divn_shift = 8,
1341        .divn_width = 8,
1342        .divp_shift = 20,
1343        .divp_width = 5,
1344};
1345/*
1346 * PLL post divider maps - two types: quasi-linear and exponential
1347 * post divider.
1348 */
1349#define PLL_QLIN_PDIV_MAX       16
1350static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1351        { .pdiv =  1, .hw_val =  0 },
1352        { .pdiv =  2, .hw_val =  1 },
1353        { .pdiv =  3, .hw_val =  2 },
1354        { .pdiv =  4, .hw_val =  3 },
1355        { .pdiv =  5, .hw_val =  4 },
1356        { .pdiv =  6, .hw_val =  5 },
1357        { .pdiv =  8, .hw_val =  6 },
1358        { .pdiv =  9, .hw_val =  7 },
1359        { .pdiv = 10, .hw_val =  8 },
1360        { .pdiv = 12, .hw_val =  9 },
1361        { .pdiv = 15, .hw_val = 10 },
1362        { .pdiv = 16, .hw_val = 11 },
1363        { .pdiv = 18, .hw_val = 12 },
1364        { .pdiv = 20, .hw_val = 13 },
1365        { .pdiv = 24, .hw_val = 14 },
1366        { .pdiv = 30, .hw_val = 15 },
1367        { .pdiv = 32, .hw_val = 16 },
1368};
1369
1370static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1371{
1372        int i;
1373
1374        if (p) {
1375                for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1376                        if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1377                                if (pdiv)
1378                                        *pdiv = i;
1379                                return pll_qlin_pdiv_to_hw[i].pdiv;
1380                        }
1381                }
1382        }
1383
1384        return -EINVAL;
1385}
1386
1387#define PLL_EXPO_PDIV_MAX       7
1388static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1389        { .pdiv =   1, .hw_val = 0 },
1390        { .pdiv =   2, .hw_val = 1 },
1391        { .pdiv =   4, .hw_val = 2 },
1392        { .pdiv =   8, .hw_val = 3 },
1393        { .pdiv =  16, .hw_val = 4 },
1394        { .pdiv =  32, .hw_val = 5 },
1395        { .pdiv =  64, .hw_val = 6 },
1396        { .pdiv = 128, .hw_val = 7 },
1397};
1398
1399static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1400{
1401        if (p) {
1402                u32 i = fls(p);
1403
1404                if (i == ffs(p))
1405                        i--;
1406
1407                if (i <= PLL_EXPO_PDIV_MAX) {
1408                        if (pdiv)
1409                                *pdiv = i;
1410                        return 1 << i;
1411                }
1412        }
1413        return -EINVAL;
1414}
1415
1416static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1417        /* 1 GHz */
1418        { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1419        { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1420        { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
1421        {        0,          0,   0, 0, 0, 0 },
1422};
1423
1424static struct tegra_clk_pll_params pll_x_params = {
1425        .input_min = 12000000,
1426        .input_max = 800000000,
1427        .cf_min = 12000000,
1428        .cf_max = 38400000,
1429        .vco_min = 1350000000,
1430        .vco_max = 3000000000UL,
1431        .base_reg = PLLX_BASE,
1432        .misc_reg = PLLX_MISC0,
1433        .lock_mask = PLL_BASE_LOCK,
1434        .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1435        .lock_delay = 300,
1436        .ext_misc_reg[0] = PLLX_MISC0,
1437        .ext_misc_reg[1] = PLLX_MISC1,
1438        .ext_misc_reg[2] = PLLX_MISC2,
1439        .ext_misc_reg[3] = PLLX_MISC3,
1440        .ext_misc_reg[4] = PLLX_MISC4,
1441        .ext_misc_reg[5] = PLLX_MISC5,
1442        .iddq_reg = PLLX_MISC3,
1443        .iddq_bit_idx = PLLXP_IDDQ_BIT,
1444        .max_p = PLL_QLIN_PDIV_MAX,
1445        .mdiv_default = 2,
1446        .dyn_ramp_reg = PLLX_MISC2,
1447        .stepa_shift = 16,
1448        .stepb_shift = 24,
1449        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1450        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1451        .div_nmp = &pllx_nmp,
1452        .freq_table = pll_x_freq_table,
1453        .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1454        .dyn_ramp = tegra210_pllx_dyn_ramp,
1455        .set_defaults = tegra210_pllx_set_defaults,
1456        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1457};
1458
1459static struct div_nmp pllc_nmp = {
1460        .divm_shift = 0,
1461        .divm_width = 8,
1462        .divn_shift = 10,
1463        .divn_width = 8,
1464        .divp_shift = 20,
1465        .divp_width = 5,
1466};
1467
1468static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
1469        { 12000000, 510000000, 85, 1, 2, 0 },
1470        { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1471        { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
1472        {        0,         0,  0, 0, 0, 0 },
1473};
1474
1475static struct tegra_clk_pll_params pll_c_params = {
1476        .input_min = 12000000,
1477        .input_max = 700000000,
1478        .cf_min = 12000000,
1479        .cf_max = 50000000,
1480        .vco_min = 600000000,
1481        .vco_max = 1200000000,
1482        .base_reg = PLLC_BASE,
1483        .misc_reg = PLLC_MISC0,
1484        .lock_mask = PLL_BASE_LOCK,
1485        .lock_delay = 300,
1486        .iddq_reg = PLLC_MISC1,
1487        .iddq_bit_idx = PLLCX_IDDQ_BIT,
1488        .reset_reg = PLLC_MISC0,
1489        .reset_bit_idx = PLLCX_RESET_BIT,
1490        .max_p = PLL_QLIN_PDIV_MAX,
1491        .ext_misc_reg[0] = PLLC_MISC0,
1492        .ext_misc_reg[1] = PLLC_MISC1,
1493        .ext_misc_reg[2] = PLLC_MISC2,
1494        .ext_misc_reg[3] = PLLC_MISC3,
1495        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1496        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1497        .mdiv_default = 3,
1498        .div_nmp = &pllc_nmp,
1499        .freq_table = pll_cx_freq_table,
1500        .flags = TEGRA_PLL_USE_LOCK,
1501        .set_defaults = _pllc_set_defaults,
1502        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1503};
1504
1505static struct div_nmp pllcx_nmp = {
1506        .divm_shift = 0,
1507        .divm_width = 8,
1508        .divn_shift = 10,
1509        .divn_width = 8,
1510        .divp_shift = 20,
1511        .divp_width = 5,
1512};
1513
1514static struct tegra_clk_pll_params pll_c2_params = {
1515        .input_min = 12000000,
1516        .input_max = 700000000,
1517        .cf_min = 12000000,
1518        .cf_max = 50000000,
1519        .vco_min = 600000000,
1520        .vco_max = 1200000000,
1521        .base_reg = PLLC2_BASE,
1522        .misc_reg = PLLC2_MISC0,
1523        .iddq_reg = PLLC2_MISC1,
1524        .iddq_bit_idx = PLLCX_IDDQ_BIT,
1525        .reset_reg = PLLC2_MISC0,
1526        .reset_bit_idx = PLLCX_RESET_BIT,
1527        .lock_mask = PLLCX_BASE_LOCK,
1528        .lock_delay = 300,
1529        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1530        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1531        .mdiv_default = 3,
1532        .div_nmp = &pllcx_nmp,
1533        .max_p = PLL_QLIN_PDIV_MAX,
1534        .ext_misc_reg[0] = PLLC2_MISC0,
1535        .ext_misc_reg[1] = PLLC2_MISC1,
1536        .ext_misc_reg[2] = PLLC2_MISC2,
1537        .ext_misc_reg[3] = PLLC2_MISC3,
1538        .freq_table = pll_cx_freq_table,
1539        .flags = TEGRA_PLL_USE_LOCK,
1540        .set_defaults = _pllc2_set_defaults,
1541        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1542};
1543
1544static struct tegra_clk_pll_params pll_c3_params = {
1545        .input_min = 12000000,
1546        .input_max = 700000000,
1547        .cf_min = 12000000,
1548        .cf_max = 50000000,
1549        .vco_min = 600000000,
1550        .vco_max = 1200000000,
1551        .base_reg = PLLC3_BASE,
1552        .misc_reg = PLLC3_MISC0,
1553        .lock_mask = PLLCX_BASE_LOCK,
1554        .lock_delay = 300,
1555        .iddq_reg = PLLC3_MISC1,
1556        .iddq_bit_idx = PLLCX_IDDQ_BIT,
1557        .reset_reg = PLLC3_MISC0,
1558        .reset_bit_idx = PLLCX_RESET_BIT,
1559        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1560        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1561        .mdiv_default = 3,
1562        .div_nmp = &pllcx_nmp,
1563        .max_p = PLL_QLIN_PDIV_MAX,
1564        .ext_misc_reg[0] = PLLC3_MISC0,
1565        .ext_misc_reg[1] = PLLC3_MISC1,
1566        .ext_misc_reg[2] = PLLC3_MISC2,
1567        .ext_misc_reg[3] = PLLC3_MISC3,
1568        .freq_table = pll_cx_freq_table,
1569        .flags = TEGRA_PLL_USE_LOCK,
1570        .set_defaults = _pllc3_set_defaults,
1571        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1572};
1573
1574static struct div_nmp pllss_nmp = {
1575        .divm_shift = 0,
1576        .divm_width = 8,
1577        .divn_shift = 8,
1578        .divn_width = 8,
1579        .divp_shift = 19,
1580        .divp_width = 5,
1581};
1582
1583static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
1584        { 12000000, 600000000, 50, 1, 1, 0 },
1585        { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1586        { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
1587        {        0,         0,  0, 0, 0, 0 },
1588};
1589
1590static const struct clk_div_table pll_vco_post_div_table[] = {
1591        { .val =  0, .div =  1 },
1592        { .val =  1, .div =  2 },
1593        { .val =  2, .div =  3 },
1594        { .val =  3, .div =  4 },
1595        { .val =  4, .div =  5 },
1596        { .val =  5, .div =  6 },
1597        { .val =  6, .div =  8 },
1598        { .val =  7, .div = 10 },
1599        { .val =  8, .div = 12 },
1600        { .val =  9, .div = 16 },
1601        { .val = 10, .div = 12 },
1602        { .val = 11, .div = 16 },
1603        { .val = 12, .div = 20 },
1604        { .val = 13, .div = 24 },
1605        { .val = 14, .div = 32 },
1606        { .val =  0, .div =  0 },
1607};
1608
1609static struct tegra_clk_pll_params pll_c4_vco_params = {
1610        .input_min = 9600000,
1611        .input_max = 800000000,
1612        .cf_min = 9600000,
1613        .cf_max = 19200000,
1614        .vco_min = 500000000,
1615        .vco_max = 1080000000,
1616        .base_reg = PLLC4_BASE,
1617        .misc_reg = PLLC4_MISC0,
1618        .lock_mask = PLL_BASE_LOCK,
1619        .lock_delay = 300,
1620        .max_p = PLL_QLIN_PDIV_MAX,
1621        .ext_misc_reg[0] = PLLC4_MISC0,
1622        .iddq_reg = PLLC4_BASE,
1623        .iddq_bit_idx = PLLSS_IDDQ_BIT,
1624        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1625        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1626        .mdiv_default = 3,
1627        .div_nmp = &pllss_nmp,
1628        .freq_table = pll_c4_vco_freq_table,
1629        .set_defaults = tegra210_pllc4_set_defaults,
1630        .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1631        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1632};
1633
1634static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
1635        { 12000000,  800000000,  66, 1, 1, 0 }, /* actual: 792.0 MHz */
1636        { 13000000,  800000000,  61, 1, 1, 0 }, /* actual: 793.0 MHz */
1637        { 38400000,  297600000,  93, 4, 3, 0 },
1638        { 38400000,  400000000, 125, 4, 3, 0 },
1639        { 38400000,  532800000, 111, 4, 2, 0 },
1640        { 38400000,  665600000, 104, 3, 2, 0 },
1641        { 38400000,  800000000, 125, 3, 2, 0 },
1642        { 38400000,  931200000,  97, 4, 1, 0 },
1643        { 38400000, 1065600000, 111, 4, 1, 0 },
1644        { 38400000, 1200000000, 125, 4, 1, 0 },
1645        { 38400000, 1331200000, 104, 3, 1, 0 },
1646        { 38400000, 1459200000,  76, 2, 1, 0 },
1647        { 38400000, 1600000000, 125, 3, 1, 0 },
1648        {        0,          0,   0, 0, 0, 0 },
1649};
1650
1651static struct div_nmp pllm_nmp = {
1652        .divm_shift = 0,
1653        .divm_width = 8,
1654        .override_divm_shift = 0,
1655        .divn_shift = 8,
1656        .divn_width = 8,
1657        .override_divn_shift = 8,
1658        .divp_shift = 20,
1659        .divp_width = 5,
1660        .override_divp_shift = 27,
1661};
1662
1663static struct tegra_clk_pll_params pll_m_params = {
1664        .input_min = 9600000,
1665        .input_max = 500000000,
1666        .cf_min = 9600000,
1667        .cf_max = 19200000,
1668        .vco_min = 800000000,
1669        .vco_max = 1866000000,
1670        .base_reg = PLLM_BASE,
1671        .misc_reg = PLLM_MISC2,
1672        .lock_mask = PLL_BASE_LOCK,
1673        .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1674        .lock_delay = 300,
1675        .iddq_reg = PLLM_MISC2,
1676        .iddq_bit_idx = PLLM_IDDQ_BIT,
1677        .max_p = PLL_QLIN_PDIV_MAX,
1678        .ext_misc_reg[0] = PLLM_MISC2,
1679        .ext_misc_reg[1] = PLLM_MISC1,
1680        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1681        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1682        .div_nmp = &pllm_nmp,
1683        .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1684        .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1685        .freq_table = pll_m_freq_table,
1686        .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1687        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1688};
1689
1690static struct tegra_clk_pll_params pll_mb_params = {
1691        .input_min = 9600000,
1692        .input_max = 500000000,
1693        .cf_min = 9600000,
1694        .cf_max = 19200000,
1695        .vco_min = 800000000,
1696        .vco_max = 1866000000,
1697        .base_reg = PLLMB_BASE,
1698        .misc_reg = PLLMB_MISC1,
1699        .lock_mask = PLL_BASE_LOCK,
1700        .lock_delay = 300,
1701        .iddq_reg = PLLMB_MISC1,
1702        .iddq_bit_idx = PLLMB_IDDQ_BIT,
1703        .max_p = PLL_QLIN_PDIV_MAX,
1704        .ext_misc_reg[0] = PLLMB_MISC1,
1705        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1706        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1707        .div_nmp = &pllm_nmp,
1708        .freq_table = pll_m_freq_table,
1709        .flags = TEGRA_PLL_USE_LOCK,
1710        .set_defaults = tegra210_pllmb_set_defaults,
1711        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1712};
1713
1714
1715static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1716        /* PLLE special case: use cpcon field to store cml divider value */
1717        { 672000000, 100000000, 125, 42, 0, 13 },
1718        { 624000000, 100000000, 125, 39, 0, 13 },
1719        { 336000000, 100000000, 125, 21, 0, 13 },
1720        { 312000000, 100000000, 200, 26, 0, 14 },
1721        {  38400000, 100000000, 125,  2, 0, 14 },
1722        {  12000000, 100000000, 200,  1, 0, 14 },
1723        {         0,         0,   0,  0, 0,  0 },
1724};
1725
1726static struct div_nmp plle_nmp = {
1727        .divm_shift = 0,
1728        .divm_width = 8,
1729        .divn_shift = 8,
1730        .divn_width = 8,
1731        .divp_shift = 24,
1732        .divp_width = 5,
1733};
1734
1735static struct tegra_clk_pll_params pll_e_params = {
1736        .input_min = 12000000,
1737        .input_max = 800000000,
1738        .cf_min = 12000000,
1739        .cf_max = 38400000,
1740        .vco_min = 1600000000,
1741        .vco_max = 2500000000U,
1742        .base_reg = PLLE_BASE,
1743        .misc_reg = PLLE_MISC0,
1744        .aux_reg = PLLE_AUX,
1745        .lock_mask = PLLE_MISC_LOCK,
1746        .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1747        .lock_delay = 300,
1748        .div_nmp = &plle_nmp,
1749        .freq_table = pll_e_freq_table,
1750        .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1751                 TEGRA_PLL_HAS_LOCK_ENABLE,
1752        .fixed_rate = 100000000,
1753        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1754};
1755
1756static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
1757        { 12000000, 672000000, 56, 1, 1, 0 },
1758        { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1759        { 38400000, 672000000, 70, 4, 1, 0 },
1760        {        0,         0,  0, 0, 0, 0 },
1761};
1762
1763static struct div_nmp pllre_nmp = {
1764        .divm_shift = 0,
1765        .divm_width = 8,
1766        .divn_shift = 8,
1767        .divn_width = 8,
1768        .divp_shift = 16,
1769        .divp_width = 5,
1770};
1771
1772static struct tegra_clk_pll_params pll_re_vco_params = {
1773        .input_min = 9600000,
1774        .input_max = 800000000,
1775        .cf_min = 9600000,
1776        .cf_max = 19200000,
1777        .vco_min = 350000000,
1778        .vco_max = 700000000,
1779        .base_reg = PLLRE_BASE,
1780        .misc_reg = PLLRE_MISC0,
1781        .lock_mask = PLLRE_MISC_LOCK,
1782        .lock_delay = 300,
1783        .max_p = PLL_QLIN_PDIV_MAX,
1784        .ext_misc_reg[0] = PLLRE_MISC0,
1785        .iddq_reg = PLLRE_MISC0,
1786        .iddq_bit_idx = PLLRE_IDDQ_BIT,
1787        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1788        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1789        .div_nmp = &pllre_nmp,
1790        .freq_table = pll_re_vco_freq_table,
1791        .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
1792        .set_defaults = tegra210_pllre_set_defaults,
1793        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1794};
1795
1796static struct div_nmp pllp_nmp = {
1797        .divm_shift = 0,
1798        .divm_width = 8,
1799        .divn_shift = 10,
1800        .divn_width = 8,
1801        .divp_shift = 20,
1802        .divp_width = 5,
1803};
1804
1805static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
1806        { 12000000, 408000000, 34, 1, 1, 0 },
1807        { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
1808        {        0,         0,  0, 0, 0, 0 },
1809};
1810
1811static struct tegra_clk_pll_params pll_p_params = {
1812        .input_min = 9600000,
1813        .input_max = 800000000,
1814        .cf_min = 9600000,
1815        .cf_max = 19200000,
1816        .vco_min = 350000000,
1817        .vco_max = 700000000,
1818        .base_reg = PLLP_BASE,
1819        .misc_reg = PLLP_MISC0,
1820        .lock_mask = PLL_BASE_LOCK,
1821        .lock_delay = 300,
1822        .iddq_reg = PLLP_MISC0,
1823        .iddq_bit_idx = PLLXP_IDDQ_BIT,
1824        .ext_misc_reg[0] = PLLP_MISC0,
1825        .ext_misc_reg[1] = PLLP_MISC1,
1826        .div_nmp = &pllp_nmp,
1827        .freq_table = pll_p_freq_table,
1828        .fixed_rate = 408000000,
1829        .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1830        .set_defaults = tegra210_pllp_set_defaults,
1831        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1832};
1833
1834static struct tegra_clk_pll_params pll_a1_params = {
1835        .input_min = 12000000,
1836        .input_max = 700000000,
1837        .cf_min = 12000000,
1838        .cf_max = 50000000,
1839        .vco_min = 600000000,
1840        .vco_max = 1200000000,
1841        .base_reg = PLLA1_BASE,
1842        .misc_reg = PLLA1_MISC0,
1843        .lock_mask = PLLCX_BASE_LOCK,
1844        .lock_delay = 300,
1845        .iddq_reg = PLLA1_MISC1,
1846        .iddq_bit_idx = PLLCX_IDDQ_BIT,
1847        .reset_reg = PLLA1_MISC0,
1848        .reset_bit_idx = PLLCX_RESET_BIT,
1849        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1850        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1851        .div_nmp = &pllc_nmp,
1852        .ext_misc_reg[0] = PLLA1_MISC0,
1853        .ext_misc_reg[1] = PLLA1_MISC1,
1854        .ext_misc_reg[2] = PLLA1_MISC2,
1855        .ext_misc_reg[3] = PLLA1_MISC3,
1856        .freq_table = pll_cx_freq_table,
1857        .flags = TEGRA_PLL_USE_LOCK,
1858        .set_defaults = _plla1_set_defaults,
1859        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1860};
1861
1862static struct div_nmp plla_nmp = {
1863        .divm_shift = 0,
1864        .divm_width = 8,
1865        .divn_shift = 8,
1866        .divn_width = 8,
1867        .divp_shift = 20,
1868        .divp_width = 5,
1869};
1870
1871static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
1872        { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
1873        { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
1874        { 12000000, 240000000, 60, 1, 3, 1,      0 },
1875        { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
1876        { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
1877        { 13000000, 240000000, 55, 1, 3, 1,      0 }, /* actual: 238.3 MHz */
1878        { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
1879        { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
1880        { 38400000, 240000000, 75, 3, 3, 1,      0 },
1881        {        0,         0,  0, 0, 0, 0,      0 },
1882};
1883
1884static struct tegra_clk_pll_params pll_a_params = {
1885        .input_min = 12000000,
1886        .input_max = 800000000,
1887        .cf_min = 12000000,
1888        .cf_max = 19200000,
1889        .vco_min = 500000000,
1890        .vco_max = 1000000000,
1891        .base_reg = PLLA_BASE,
1892        .misc_reg = PLLA_MISC0,
1893        .lock_mask = PLL_BASE_LOCK,
1894        .lock_delay = 300,
1895        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1896        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1897        .iddq_reg = PLLA_BASE,
1898        .iddq_bit_idx = PLLA_IDDQ_BIT,
1899        .div_nmp = &plla_nmp,
1900        .sdm_din_reg = PLLA_MISC1,
1901        .sdm_din_mask = PLLA_SDM_DIN_MASK,
1902        .sdm_ctrl_reg = PLLA_MISC2,
1903        .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
1904        .ext_misc_reg[0] = PLLA_MISC0,
1905        .ext_misc_reg[1] = PLLA_MISC1,
1906        .ext_misc_reg[2] = PLLA_MISC2,
1907        .freq_table = pll_a_freq_table,
1908        .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
1909        .set_defaults = tegra210_plla_set_defaults,
1910        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1911        .set_gain = tegra210_clk_pll_set_gain,
1912        .adjust_vco = tegra210_clk_adjust_vco_min,
1913};
1914
1915static struct div_nmp plld_nmp = {
1916        .divm_shift = 0,
1917        .divm_width = 8,
1918        .divn_shift = 11,
1919        .divn_width = 8,
1920        .divp_shift = 20,
1921        .divp_width = 3,
1922};
1923
1924static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
1925        { 12000000, 594000000, 99, 1, 2, 0,      0 },
1926        { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
1927        { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
1928        {        0,         0,  0, 0, 0, 0,      0 },
1929};
1930
1931static struct tegra_clk_pll_params pll_d_params = {
1932        .input_min = 12000000,
1933        .input_max = 800000000,
1934        .cf_min = 12000000,
1935        .cf_max = 38400000,
1936        .vco_min = 750000000,
1937        .vco_max = 1500000000,
1938        .base_reg = PLLD_BASE,
1939        .misc_reg = PLLD_MISC0,
1940        .lock_mask = PLL_BASE_LOCK,
1941        .lock_delay = 1000,
1942        .iddq_reg = PLLD_MISC0,
1943        .iddq_bit_idx = PLLD_IDDQ_BIT,
1944        .round_p_to_pdiv = pll_expo_p_to_pdiv,
1945        .pdiv_tohw = pll_expo_pdiv_to_hw,
1946        .div_nmp = &plld_nmp,
1947        .sdm_din_reg = PLLD_MISC0,
1948        .sdm_din_mask = PLLA_SDM_DIN_MASK,
1949        .sdm_ctrl_reg = PLLD_MISC0,
1950        .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
1951        .ext_misc_reg[0] = PLLD_MISC0,
1952        .ext_misc_reg[1] = PLLD_MISC1,
1953        .freq_table = pll_d_freq_table,
1954        .flags = TEGRA_PLL_USE_LOCK,
1955        .mdiv_default = 1,
1956        .set_defaults = tegra210_plld_set_defaults,
1957        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1958        .set_gain = tegra210_clk_pll_set_gain,
1959        .adjust_vco = tegra210_clk_adjust_vco_min,
1960};
1961
1962static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
1963        { 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
1964        { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
1965        { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
1966        {        0,         0,  0, 0, 0, 0,      0 },
1967};
1968
1969/* s/w policy, always tegra_pll_ref */
1970static struct tegra_clk_pll_params pll_d2_params = {
1971        .input_min = 12000000,
1972        .input_max = 800000000,
1973        .cf_min = 12000000,
1974        .cf_max = 38400000,
1975        .vco_min = 750000000,
1976        .vco_max = 1500000000,
1977        .base_reg = PLLD2_BASE,
1978        .misc_reg = PLLD2_MISC0,
1979        .lock_mask = PLL_BASE_LOCK,
1980        .lock_delay = 300,
1981        .iddq_reg = PLLD2_BASE,
1982        .iddq_bit_idx = PLLSS_IDDQ_BIT,
1983        .sdm_din_reg = PLLD2_MISC3,
1984        .sdm_din_mask = PLLA_SDM_DIN_MASK,
1985        .sdm_ctrl_reg = PLLD2_MISC1,
1986        .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
1987        /* disable spread-spectrum for pll_d2 */
1988        .ssc_ctrl_reg = 0,
1989        .ssc_ctrl_en_mask = 0,
1990        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1991        .pdiv_tohw = pll_qlin_pdiv_to_hw,
1992        .div_nmp = &pllss_nmp,
1993        .ext_misc_reg[0] = PLLD2_MISC0,
1994        .ext_misc_reg[1] = PLLD2_MISC1,
1995        .ext_misc_reg[2] = PLLD2_MISC2,
1996        .ext_misc_reg[3] = PLLD2_MISC3,
1997        .max_p = PLL_QLIN_PDIV_MAX,
1998        .mdiv_default = 1,
1999        .freq_table = tegra210_pll_d2_freq_table,
2000        .set_defaults = tegra210_plld2_set_defaults,
2001        .flags = TEGRA_PLL_USE_LOCK,
2002        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2003        .set_gain = tegra210_clk_pll_set_gain,
2004        .adjust_vco = tegra210_clk_adjust_vco_min,
2005};
2006
2007static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
2008        { 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
2009        { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
2010        { 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
2011        {        0,         0,  0, 0, 0, 0,      0 },
2012};
2013
2014static struct tegra_clk_pll_params pll_dp_params = {
2015        .input_min = 12000000,
2016        .input_max = 800000000,
2017        .cf_min = 12000000,
2018        .cf_max = 38400000,
2019        .vco_min = 750000000,
2020        .vco_max = 1500000000,
2021        .base_reg = PLLDP_BASE,
2022        .misc_reg = PLLDP_MISC,
2023        .lock_mask = PLL_BASE_LOCK,
2024        .lock_delay = 300,
2025        .iddq_reg = PLLDP_BASE,
2026        .iddq_bit_idx = PLLSS_IDDQ_BIT,
2027        .sdm_din_reg = PLLDP_SS_CTRL2,
2028        .sdm_din_mask = PLLA_SDM_DIN_MASK,
2029        .sdm_ctrl_reg = PLLDP_SS_CFG,
2030        .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2031        .ssc_ctrl_reg = PLLDP_SS_CFG,
2032        .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2033        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2034        .pdiv_tohw = pll_qlin_pdiv_to_hw,
2035        .div_nmp = &pllss_nmp,
2036        .ext_misc_reg[0] = PLLDP_MISC,
2037        .ext_misc_reg[1] = PLLDP_SS_CFG,
2038        .ext_misc_reg[2] = PLLDP_SS_CTRL1,
2039        .ext_misc_reg[3] = PLLDP_SS_CTRL2,
2040        .max_p = PLL_QLIN_PDIV_MAX,
2041        .mdiv_default = 1,
2042        .freq_table = pll_dp_freq_table,
2043        .set_defaults = tegra210_plldp_set_defaults,
2044        .flags = TEGRA_PLL_USE_LOCK,
2045        .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2046        .set_gain = tegra210_clk_pll_set_gain,
2047        .adjust_vco = tegra210_clk_adjust_vco_min,
2048};
2049
2050static struct div_nmp pllu_nmp = {
2051        .divm_shift = 0,
2052        .divm_width = 8,
2053        .divn_shift = 8,
2054        .divn_width = 8,
2055        .divp_shift = 16,
2056        .divp_width = 5,
2057};
2058
2059static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
2060        { 12000000, 480000000, 40, 1, 0, 0 },
2061        { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */
2062        { 38400000, 480000000, 25, 2, 0, 0 },
2063        {        0,         0,  0, 0, 0, 0 },
2064};
2065
2066static struct tegra_clk_pll_params pll_u_vco_params = {
2067        .input_min = 9600000,
2068        .input_max = 800000000,
2069        .cf_min = 9600000,
2070        .cf_max = 19200000,
2071        .vco_min = 350000000,
2072        .vco_max = 700000000,
2073        .base_reg = PLLU_BASE,
2074        .misc_reg = PLLU_MISC0,
2075        .lock_mask = PLL_BASE_LOCK,
2076        .lock_delay = 1000,
2077        .iddq_reg = PLLU_MISC0,
2078        .iddq_bit_idx = PLLU_IDDQ_BIT,
2079        .ext_misc_reg[0] = PLLU_MISC0,
2080        .ext_misc_reg[1] = PLLU_MISC1,
2081        .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2082        .pdiv_tohw = pll_qlin_pdiv_to_hw,
2083        .div_nmp = &pllu_nmp,
2084        .freq_table = pll_u_freq_table,
2085        .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
2086};
2087
2088struct utmi_clk_param {
2089        /* Oscillator Frequency in KHz */
2090        u32 osc_frequency;
2091        /* UTMIP PLL Enable Delay Count  */
2092        u8 enable_delay_count;
2093        /* UTMIP PLL Stable count */
2094        u16 stable_count;
2095        /*  UTMIP PLL Active delay count */
2096        u8 active_delay_count;
2097        /* UTMIP PLL Xtal frequency count */
2098        u16 xtal_freq_count;
2099};
2100
2101static const struct utmi_clk_param utmi_parameters[] = {
2102        {
2103                .osc_frequency = 38400000, .enable_delay_count = 0x0,
2104                .stable_count = 0x0, .active_delay_count = 0x6,
2105                .xtal_freq_count = 0x80
2106        }, {
2107                .osc_frequency = 13000000, .enable_delay_count = 0x02,
2108                .stable_count = 0x33, .active_delay_count = 0x05,
2109                .xtal_freq_count = 0x7f
2110        }, {
2111                .osc_frequency = 19200000, .enable_delay_count = 0x03,
2112                .stable_count = 0x4b, .active_delay_count = 0x06,
2113                .xtal_freq_count = 0xbb
2114        }, {
2115                .osc_frequency = 12000000, .enable_delay_count = 0x02,
2116                .stable_count = 0x2f, .active_delay_count = 0x08,
2117                .xtal_freq_count = 0x76
2118        }, {
2119                .osc_frequency = 26000000, .enable_delay_count = 0x04,
2120                .stable_count = 0x66, .active_delay_count = 0x09,
2121                .xtal_freq_count = 0xfe
2122        }, {
2123                .osc_frequency = 16800000, .enable_delay_count = 0x03,
2124                .stable_count = 0x41, .active_delay_count = 0x0a,
2125                .xtal_freq_count = 0xa4
2126        },
2127};
2128
2129static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2130        [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2131        [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2132        [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2133        [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2134        [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
2135        [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2136        [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2137        [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2138        [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
2139        [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2140        [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2141        [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2142        [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2143        [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2144        [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2145        [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2146        [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2147        [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2148        [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2149        [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2150        [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2151        [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2152        [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2153        [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2154        [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2155        [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2156        [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2157        [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2158        [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2159        [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2160        [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2161        [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2162        [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2163        [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2164        [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2165        [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2166        [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2167        [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2168        [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2169        [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2170        [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2171        [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2172        [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2173        [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2174        [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2175        [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2176        [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2177        [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2178        [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2179        [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2180        [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2181        [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2182        [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2183        [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2184        [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2185        [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2186        [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2187        [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2188        [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2189        [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2190        [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2191        [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2192        [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2193        [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2194        [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2195        [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2196        [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2197        [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2198        [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2199        [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2200        [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2201        [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
2202        [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
2203        [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2204        [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
2205        [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2206        [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true },
2207        [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2208        [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2209        [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2210        [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2211        [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2212        [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2213        [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2214        [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2215        [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2216        [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2217        [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2218        [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2219        [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2220        [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2221        [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2222        [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2223        [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2224        [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2225        [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
2226        [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2227        [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2228        [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2229        [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2230        [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2231        [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2232        [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2233        [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2234        [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2235        [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2236        [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2237        [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2238        [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2239        [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2240        [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2241        [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2242        [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2243        [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2244        [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2245        [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2246        [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2247        [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2248        [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2249        [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2250        [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2251        [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2252        [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2253        [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2254        [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2255        [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2256        [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2257        [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2258        [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2259        [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2260        [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2261        [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2262        [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2263        [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2264        [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2265        [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2266        [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2267        [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2268        [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2269        [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2270        [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2271        [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2272        [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2273        [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2274        [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2275        [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2276        [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2277        [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2278        [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2279        [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2280        [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2281        [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2282        [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2283        [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2284        [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2285        [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2286        [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2287        [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2288        [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2289        [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2290        [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2291        [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2292        [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2293        [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2294        [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2295        [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2296        [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2297        [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2298        [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2299        [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2300        [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2301        [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2302        [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2303        [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2304        [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2305        [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2306        [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2307        [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2308        [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2309        [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2310        [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2311        [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2312        [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2313        [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2314        [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2315        [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2316        [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2317        [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
2318        [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
2319        [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
2320        [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
2321        [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
2322        [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2323        [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2324        [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
2325        [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2326        [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2327        [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2328        [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2329        [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2330        [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
2331        [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
2332        [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
2333        [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
2334        [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
2335        [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
2336        [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
2337        [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
2338};
2339
2340static struct tegra_devclk devclks[] __initdata = {
2341        { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2342        { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2343        { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2344        { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2345        { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2346        { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2347        { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2348        { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2349        { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2350        { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2351        { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2352        { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2353        { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2354        { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2355        { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
2356        { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2357        { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2358        { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2359        { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2360        { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2361        { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2362        { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2363        { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2364        { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2365        { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2366        { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2367        { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2368        { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2369        { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2370        { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2371        { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2372        { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2373        { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2374        { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2375        { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2376        { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2377        { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2378        { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2379        { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2380        { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2381        { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2382        { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2383        { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2384        { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2385        { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2386        { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2387        { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2388        { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2389        { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2390        { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2391        { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2392        { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2393        { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2394        { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2395        { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2396        { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2397        { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2398        { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2399        { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2400        { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2401        { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2402        { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2403        { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2404        { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2405};
2406
2407static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2408        { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2409        { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2410};
2411
2412static struct clk **clks;
2413
2414static const char * const aclk_parents[] = {
2415        "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2416        "clk_m"
2417};
2418
2419void tegra210_put_utmipll_in_iddq(void)
2420{
2421        u32 reg;
2422
2423        reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2424
2425        if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2426                pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2427                return;
2428        }
2429
2430        reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2431        writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2432}
2433EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2434
2435void tegra210_put_utmipll_out_iddq(void)
2436{
2437        u32 reg;
2438
2439        reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2440        reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2441        writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2442}
2443EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2444
2445static void tegra210_utmi_param_configure(void)
2446{
2447        u32 reg;
2448        int i;
2449
2450        for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2451                if (osc_freq == utmi_parameters[i].osc_frequency)
2452                        break;
2453        }
2454
2455        if (i >= ARRAY_SIZE(utmi_parameters)) {
2456                pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2457                        osc_freq);
2458                return;
2459        }
2460
2461        reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2462        reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2463        writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2464
2465        udelay(10);
2466
2467        reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2468
2469        /* Program UTMIP PLL stable and active counts */
2470        /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2471        reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2472        reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2473
2474        reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2475        reg |=
2476        UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2477        writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2478
2479        /* Program UTMIP PLL delay and oscillator frequency counts */
2480        reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2481
2482        reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2483        reg |=
2484        UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2485
2486        reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2487        reg |=
2488        UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2489
2490        reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2491        writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2492
2493        /* Remove power downs from UTMIP PLL control bits */
2494        reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2495        reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2496        reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2497        writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2498
2499        udelay(20);
2500
2501        /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2502        reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2503        reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2504        reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2505        reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2506        reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2507        reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2508        reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2509        writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2510
2511        /* Setup HW control of UTMIPLL */
2512        reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2513        reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2514        reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2515        writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2516
2517        reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2518        reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2519        reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2520        writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2521
2522        udelay(1);
2523
2524        reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2525        reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2526        writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2527
2528        udelay(1);
2529
2530        /* Enable HW control UTMIPLL */
2531        reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2532        reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2533        writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2534}
2535
2536static int tegra210_enable_pllu(void)
2537{
2538        struct tegra_clk_pll_freq_table *fentry;
2539        struct tegra_clk_pll pllu;
2540        u32 reg;
2541
2542        for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2543                if (fentry->input_rate == pll_ref_freq)
2544                        break;
2545        }
2546
2547        if (!fentry->input_rate) {
2548                pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2549                return -EINVAL;
2550        }
2551
2552        /* clear IDDQ bit */
2553        pllu.params = &pll_u_vco_params;
2554        reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2555        reg &= ~BIT(pllu.params->iddq_bit_idx);
2556        writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
2557        udelay(5);
2558
2559        reg = readl_relaxed(clk_base + PLLU_BASE);
2560        reg &= ~GENMASK(20, 0);
2561        reg |= fentry->m;
2562        reg |= fentry->n << 8;
2563        reg |= fentry->p << 16;
2564        writel(reg, clk_base + PLLU_BASE);
2565        udelay(1);
2566        reg |= PLL_ENABLE;
2567        writel(reg, clk_base + PLLU_BASE);
2568
2569        readl_relaxed_poll_timeout(clk_base + PLLU_BASE, reg,
2570                                   reg & PLL_BASE_LOCK, 2, 1000);
2571        if (!(reg & PLL_BASE_LOCK)) {
2572                pr_err("Timed out waiting for PLL_U to lock\n");
2573                return -ETIMEDOUT;
2574        }
2575
2576        return 0;
2577}
2578
2579static int tegra210_init_pllu(void)
2580{
2581        u32 reg;
2582        int err;
2583
2584        tegra210_pllu_set_defaults(&pll_u_vco_params);
2585        /* skip initialization when pllu is in hw controlled mode */
2586        reg = readl_relaxed(clk_base + PLLU_BASE);
2587        if (reg & PLLU_BASE_OVERRIDE) {
2588                if (!(reg & PLL_ENABLE)) {
2589                        err = tegra210_enable_pllu();
2590                        if (err < 0) {
2591                                WARN_ON(1);
2592                                return err;
2593                        }
2594                }
2595                /* enable hw controlled mode */
2596                reg = readl_relaxed(clk_base + PLLU_BASE);
2597                reg &= ~PLLU_BASE_OVERRIDE;
2598                writel(reg, clk_base + PLLU_BASE);
2599
2600                reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2601                reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2602                       PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2603                       PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2604                reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2605                        PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2606                writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2607
2608                reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2609                reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2610                writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2611                udelay(1);
2612
2613                reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2614                reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2615                writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2616                udelay(1);
2617
2618                reg = readl_relaxed(clk_base + PLLU_BASE);
2619                reg &= ~PLLU_BASE_CLKENABLE_USB;
2620                writel_relaxed(reg, clk_base + PLLU_BASE);
2621        }
2622
2623        /* enable UTMIPLL hw control if not yet done by the bootloader */
2624        reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2625        if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2626                tegra210_utmi_param_configure();
2627
2628        return 0;
2629}
2630
2631static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2632                                            void __iomem *pmc_base)
2633{
2634        struct clk *clk;
2635
2636        /* xusb_ss_div2 */
2637        clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2638                                        1, 2);
2639        clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2640
2641        clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
2642                                              1, 17, 222);
2643        clks[TEGRA210_CLK_SOR_SAFE] = clk;
2644
2645        clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
2646                                              1, 17, 181);
2647        clks[TEGRA210_CLK_DPAUX] = clk;
2648
2649        clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
2650                                              1, 17, 207);
2651        clks[TEGRA210_CLK_DPAUX1] = clk;
2652
2653        /* pll_d_dsi_out */
2654        clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2655                                clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2656        clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2657
2658        /* dsia */
2659        clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2660                                             clk_base, 0, 48,
2661                                             periph_clk_enb_refcnt);
2662        clks[TEGRA210_CLK_DSIA] = clk;
2663
2664        /* dsib */
2665        clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2666                                             clk_base, 0, 82,
2667                                             periph_clk_enb_refcnt);
2668        clks[TEGRA210_CLK_DSIB] = clk;
2669
2670        /* emc mux */
2671        clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
2672                               ARRAY_SIZE(mux_pllmcp_clkm), 0,
2673                               clk_base + CLK_SOURCE_EMC,
2674                               29, 3, 0, &emc_lock);
2675
2676        clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
2677                                    &emc_lock);
2678        clks[TEGRA210_CLK_MC] = clk;
2679
2680        /* cml0 */
2681        clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
2682                                0, 0, &pll_e_lock);
2683        clk_register_clkdev(clk, "cml0", NULL);
2684        clks[TEGRA210_CLK_CML0] = clk;
2685
2686        /* cml1 */
2687        clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
2688                                1, 0, &pll_e_lock);
2689        clk_register_clkdev(clk, "cml1", NULL);
2690        clks[TEGRA210_CLK_CML1] = clk;
2691
2692        clk = tegra_clk_register_super_clk("aclk", aclk_parents,
2693                                ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
2694                                0, NULL);
2695        clks[TEGRA210_CLK_ACLK] = clk;
2696
2697        tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
2698}
2699
2700static void __init tegra210_pll_init(void __iomem *clk_base,
2701                                     void __iomem *pmc)
2702{
2703        struct clk *clk;
2704
2705        /* PLLC */
2706        clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
2707                        pmc, 0, &pll_c_params, NULL);
2708        if (!WARN_ON(IS_ERR(clk)))
2709                clk_register_clkdev(clk, "pll_c", NULL);
2710        clks[TEGRA210_CLK_PLL_C] = clk;
2711
2712        /* PLLC_OUT1 */
2713        clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
2714                        clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2715                        8, 8, 1, NULL);
2716        clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
2717                                clk_base + PLLC_OUT, 1, 0,
2718                                CLK_SET_RATE_PARENT, 0, NULL);
2719        clk_register_clkdev(clk, "pll_c_out1", NULL);
2720        clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
2721
2722        /* PLLC_UD */
2723        clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
2724                                        CLK_SET_RATE_PARENT, 1, 1);
2725        clk_register_clkdev(clk, "pll_c_ud", NULL);
2726        clks[TEGRA210_CLK_PLL_C_UD] = clk;
2727
2728        /* PLLC2 */
2729        clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
2730                             pmc, 0, &pll_c2_params, NULL);
2731        clk_register_clkdev(clk, "pll_c2", NULL);
2732        clks[TEGRA210_CLK_PLL_C2] = clk;
2733
2734        /* PLLC3 */
2735        clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
2736                             pmc, 0, &pll_c3_params, NULL);
2737        clk_register_clkdev(clk, "pll_c3", NULL);
2738        clks[TEGRA210_CLK_PLL_C3] = clk;
2739
2740        /* PLLM */
2741        clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
2742                             CLK_SET_RATE_GATE, &pll_m_params, NULL);
2743        clk_register_clkdev(clk, "pll_m", NULL);
2744        clks[TEGRA210_CLK_PLL_M] = clk;
2745
2746        /* PLLMB */
2747        clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
2748                             CLK_SET_RATE_GATE, &pll_mb_params, NULL);
2749        clk_register_clkdev(clk, "pll_mb", NULL);
2750        clks[TEGRA210_CLK_PLL_MB] = clk;
2751
2752        /* PLLM_UD */
2753        clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
2754                                        CLK_SET_RATE_PARENT, 1, 1);
2755        clk_register_clkdev(clk, "pll_m_ud", NULL);
2756        clks[TEGRA210_CLK_PLL_M_UD] = clk;
2757
2758        /* PLLU_VCO */
2759        if (!tegra210_init_pllu()) {
2760                clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
2761                                              480*1000*1000);
2762                clk_register_clkdev(clk, "pll_u_vco", NULL);
2763                clks[TEGRA210_CLK_PLL_U] = clk;
2764        }
2765
2766        /* PLLU_OUT */
2767        clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
2768                                         clk_base + PLLU_BASE, 16, 4, 0,
2769                                         pll_vco_post_div_table, NULL);
2770        clk_register_clkdev(clk, "pll_u_out", NULL);
2771        clks[TEGRA210_CLK_PLL_U_OUT] = clk;
2772
2773        /* PLLU_OUT1 */
2774        clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
2775                                clk_base + PLLU_OUTA, 0,
2776                                TEGRA_DIVIDER_ROUND_UP,
2777                                8, 8, 1, &pll_u_lock);
2778        clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
2779                                clk_base + PLLU_OUTA, 1, 0,
2780                                CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2781        clk_register_clkdev(clk, "pll_u_out1", NULL);
2782        clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
2783
2784        /* PLLU_OUT2 */
2785        clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
2786                                clk_base + PLLU_OUTA, 0,
2787                                TEGRA_DIVIDER_ROUND_UP,
2788                                24, 8, 1, &pll_u_lock);
2789        clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
2790                                clk_base + PLLU_OUTA, 17, 16,
2791                                CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2792        clk_register_clkdev(clk, "pll_u_out2", NULL);
2793        clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
2794
2795        /* PLLU_480M */
2796        clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
2797                                CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2798                                22, 0, &pll_u_lock);
2799        clk_register_clkdev(clk, "pll_u_480M", NULL);
2800        clks[TEGRA210_CLK_PLL_U_480M] = clk;
2801
2802        /* PLLU_60M */
2803        clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
2804                                CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2805                                23, 0, &pll_u_lock);
2806        clk_register_clkdev(clk, "pll_u_60M", NULL);
2807        clks[TEGRA210_CLK_PLL_U_60M] = clk;
2808
2809        /* PLLU_48M */
2810        clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
2811                                CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2812                                25, 0, &pll_u_lock);
2813        clk_register_clkdev(clk, "pll_u_48M", NULL);
2814        clks[TEGRA210_CLK_PLL_U_48M] = clk;
2815
2816        /* PLLD */
2817        clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
2818                            &pll_d_params, &pll_d_lock);
2819        clk_register_clkdev(clk, "pll_d", NULL);
2820        clks[TEGRA210_CLK_PLL_D] = clk;
2821
2822        /* PLLD_OUT0 */
2823        clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
2824                                        CLK_SET_RATE_PARENT, 1, 2);
2825        clk_register_clkdev(clk, "pll_d_out0", NULL);
2826        clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
2827
2828        /* PLLRE */
2829        clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
2830                                                clk_base, pmc, 0,
2831                                                &pll_re_vco_params,
2832                                                &pll_re_lock, pll_ref_freq);
2833        clk_register_clkdev(clk, "pll_re_vco", NULL);
2834        clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
2835
2836        clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
2837                                         clk_base + PLLRE_BASE, 16, 5, 0,
2838                                         pll_vco_post_div_table, &pll_re_lock);
2839        clk_register_clkdev(clk, "pll_re_out", NULL);
2840        clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
2841
2842        clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
2843                                         clk_base + PLLRE_OUT1, 0,
2844                                         TEGRA_DIVIDER_ROUND_UP,
2845                                         8, 8, 1, NULL);
2846        clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
2847                                         clk_base + PLLRE_OUT1, 1, 0,
2848                                         CLK_SET_RATE_PARENT, 0, NULL);
2849        clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
2850
2851        /* PLLE */
2852        clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
2853                                      clk_base, 0, &pll_e_params, NULL);
2854        clk_register_clkdev(clk, "pll_e", NULL);
2855        clks[TEGRA210_CLK_PLL_E] = clk;
2856
2857        /* PLLC4 */
2858        clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
2859                             0, &pll_c4_vco_params, NULL, pll_ref_freq);
2860        clk_register_clkdev(clk, "pll_c4_vco", NULL);
2861        clks[TEGRA210_CLK_PLL_C4] = clk;
2862
2863        /* PLLC4_OUT0 */
2864        clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
2865                                         clk_base + PLLC4_BASE, 19, 4, 0,
2866                                         pll_vco_post_div_table, NULL);
2867        clk_register_clkdev(clk, "pll_c4_out0", NULL);
2868        clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
2869
2870        /* PLLC4_OUT1 */
2871        clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
2872                                        CLK_SET_RATE_PARENT, 1, 3);
2873        clk_register_clkdev(clk, "pll_c4_out1", NULL);
2874        clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
2875
2876        /* PLLC4_OUT2 */
2877        clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
2878                                        CLK_SET_RATE_PARENT, 1, 5);
2879        clk_register_clkdev(clk, "pll_c4_out2", NULL);
2880        clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
2881
2882        /* PLLC4_OUT3 */
2883        clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
2884                        clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2885                        8, 8, 1, NULL);
2886        clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
2887                                clk_base + PLLC4_OUT, 1, 0,
2888                                CLK_SET_RATE_PARENT, 0, NULL);
2889        clk_register_clkdev(clk, "pll_c4_out3", NULL);
2890        clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
2891
2892        /* PLLDP */
2893        clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
2894                                        0, &pll_dp_params, NULL);
2895        clk_register_clkdev(clk, "pll_dp", NULL);
2896        clks[TEGRA210_CLK_PLL_DP] = clk;
2897
2898        /* PLLD2 */
2899        clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
2900                                        0, &pll_d2_params, NULL);
2901        clk_register_clkdev(clk, "pll_d2", NULL);
2902        clks[TEGRA210_CLK_PLL_D2] = clk;
2903
2904        /* PLLD2_OUT0 */
2905        clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
2906                                        CLK_SET_RATE_PARENT, 1, 1);
2907        clk_register_clkdev(clk, "pll_d2_out0", NULL);
2908        clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
2909
2910        /* PLLP_OUT2 */
2911        clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
2912                                        CLK_SET_RATE_PARENT, 1, 2);
2913        clk_register_clkdev(clk, "pll_p_out2", NULL);
2914        clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
2915
2916}
2917
2918/* Tegra210 CPU clock and reset control functions */
2919static void tegra210_wait_cpu_in_reset(u32 cpu)
2920{
2921        unsigned int reg;
2922
2923        do {
2924                reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
2925                cpu_relax();
2926        } while (!(reg & (1 << cpu)));  /* check CPU been reset or not */
2927}
2928
2929static void tegra210_disable_cpu_clock(u32 cpu)
2930{
2931        /* flow controller would take care in the power sequence. */
2932}
2933
2934#ifdef CONFIG_PM_SLEEP
2935static void tegra210_cpu_clock_suspend(void)
2936{
2937        /* switch coresite to clk_m, save off original source */
2938        tegra210_cpu_clk_sctx.clk_csite_src =
2939                                readl(clk_base + CLK_SOURCE_CSITE);
2940        writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
2941}
2942
2943static void tegra210_cpu_clock_resume(void)
2944{
2945        writel(tegra210_cpu_clk_sctx.clk_csite_src,
2946                                clk_base + CLK_SOURCE_CSITE);
2947}
2948#endif
2949
2950static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
2951        .wait_for_reset = tegra210_wait_cpu_in_reset,
2952        .disable_clock  = tegra210_disable_cpu_clock,
2953#ifdef CONFIG_PM_SLEEP
2954        .suspend        = tegra210_cpu_clock_suspend,
2955        .resume         = tegra210_cpu_clock_resume,
2956#endif
2957};
2958
2959static const struct of_device_id pmc_match[] __initconst = {
2960        { .compatible = "nvidia,tegra210-pmc" },
2961        { },
2962};
2963
2964static struct tegra_clk_init_table init_table[] __initdata = {
2965        { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
2966        { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
2967        { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
2968        { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
2969        { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
2970        { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
2971        { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
2972        { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
2973        { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
2974        { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2975        { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2976        { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2977        { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2978        { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2979        { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
2980        { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
2981        { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 },
2982        { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
2983        { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
2984        { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
2985        { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 },
2986        { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
2987        { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
2988        { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
2989        { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2990        { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2991        { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
2992        { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2993        { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2994        { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
2995        { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
2996        { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 },
2997        { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
2998        { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
2999        /* TODO find a way to enable this on-demand */
3000        { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
3001        { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
3002        { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
3003        { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
3004        { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
3005        { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
3006        { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
3007        { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
3008        { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
3009        { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
3010        { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
3011        { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
3012        { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
3013        /* This MUST be the last entry. */
3014        { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
3015};
3016
3017/**
3018 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
3019 *
3020 * Program an initial clock rate and enable or disable clocks needed
3021 * by the rest of the kernel, for Tegra210 SoCs.  It is intended to be
3022 * called by assigning a pointer to it to tegra_clk_apply_init_table -
3023 * this will be called as an arch_initcall.  No return value.
3024 */
3025static void __init tegra210_clock_apply_init_table(void)
3026{
3027        tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
3028}
3029
3030/**
3031 * tegra210_car_barrier - wait for pending writes to the CAR to complete
3032 *
3033 * Wait for any outstanding writes to the CAR MMIO space from this CPU
3034 * to complete before continuing execution.  No return value.
3035 */
3036static void tegra210_car_barrier(void)
3037{
3038        readl_relaxed(clk_base + RST_DFLL_DVCO);
3039}
3040
3041/**
3042 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3043 *
3044 * Assert the reset line of the DFLL's DVCO.  No return value.
3045 */
3046static void tegra210_clock_assert_dfll_dvco_reset(void)
3047{
3048        u32 v;
3049
3050        v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3051        v |= (1 << DVFS_DFLL_RESET_SHIFT);
3052        writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3053        tegra210_car_barrier();
3054}
3055
3056/**
3057 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3058 *
3059 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3060 * operate.  No return value.
3061 */
3062static void tegra210_clock_deassert_dfll_dvco_reset(void)
3063{
3064        u32 v;
3065
3066        v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3067        v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3068        writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3069        tegra210_car_barrier();
3070}
3071
3072static int tegra210_reset_assert(unsigned long id)
3073{
3074        if (id == TEGRA210_RST_DFLL_DVCO)
3075                tegra210_clock_assert_dfll_dvco_reset();
3076        else if (id == TEGRA210_RST_ADSP)
3077                writel(GENMASK(26, 21) | BIT(7),
3078                        clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3079        else
3080                return -EINVAL;
3081
3082        return 0;
3083}
3084
3085static int tegra210_reset_deassert(unsigned long id)
3086{
3087        if (id == TEGRA210_RST_DFLL_DVCO)
3088                tegra210_clock_deassert_dfll_dvco_reset();
3089        else if (id == TEGRA210_RST_ADSP) {
3090                writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3091                /*
3092                 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3093                 * a delay of 5us ensures that it's at least
3094                 * 6 * adsp_cpu_cycle_period long.
3095                 */
3096                udelay(5);
3097                writel(GENMASK(26, 22) | BIT(7),
3098                        clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3099        } else
3100                return -EINVAL;
3101
3102        return 0;
3103}
3104
3105/**
3106 * tegra210_clock_init - Tegra210-specific clock initialization
3107 * @np: struct device_node * of the DT node for the SoC CAR IP block
3108 *
3109 * Register most SoC clocks for the Tegra210 system-on-chip.  Intended
3110 * to be called by the OF init code when a DT node with the
3111 * "nvidia,tegra210-car" string is encountered, and declared with
3112 * CLK_OF_DECLARE.  No return value.
3113 */
3114static void __init tegra210_clock_init(struct device_node *np)
3115{
3116        struct device_node *node;
3117        u32 value, clk_m_div;
3118
3119        clk_base = of_iomap(np, 0);
3120        if (!clk_base) {
3121                pr_err("ioremap tegra210 CAR failed\n");
3122                return;
3123        }
3124
3125        node = of_find_matching_node(NULL, pmc_match);
3126        if (!node) {
3127                pr_err("Failed to find pmc node\n");
3128                WARN_ON(1);
3129                return;
3130        }
3131
3132        pmc_base = of_iomap(node, 0);
3133        if (!pmc_base) {
3134                pr_err("Can't map pmc registers\n");
3135                WARN_ON(1);
3136                return;
3137        }
3138
3139        clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3140                              TEGRA210_CAR_BANK_COUNT);
3141        if (!clks)
3142                return;
3143
3144        value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3145        clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3146
3147        if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3148                               ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3149                               &osc_freq, &pll_ref_freq) < 0)
3150                return;
3151
3152        tegra_fixed_clk_init(tegra210_clks);
3153        tegra210_pll_init(clk_base, pmc_base);
3154        tegra210_periph_clk_init(clk_base, pmc_base);
3155        tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3156                             tegra210_audio_plls,
3157                             ARRAY_SIZE(tegra210_audio_plls));
3158        tegra_pmc_clk_init(pmc_base, tegra210_clks);
3159
3160        /* For Tegra210, PLLD is the only source for DSIA & DSIB */
3161        value = clk_readl(clk_base + PLLD_BASE);
3162        value &= ~BIT(25);
3163        clk_writel(value, clk_base + PLLD_BASE);
3164
3165        tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3166
3167        tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3168                                  &pll_x_params);
3169        tegra_init_special_resets(2, tegra210_reset_assert,
3170                                  tegra210_reset_deassert);
3171
3172        tegra_add_of_provider(np);
3173        tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3174
3175        tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3176}
3177CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);
3178