linux/drivers/clk/meson/meson8b.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Copyright (c) 2015 Endless Mobile, Inc.
   4 * Author: Carlo Caione <carlo@endlessm.com>
   5 *
   6 * Copyright (c) 2016 BayLibre, Inc.
   7 * Michael Turquette <mturquette@baylibre.com>
   8 */
   9
  10#include <linux/clk.h>
  11#include <linux/clk-provider.h>
  12#include <linux/init.h>
  13#include <linux/of_address.h>
  14#include <linux/reset-controller.h>
  15#include <linux/slab.h>
  16#include <linux/regmap.h>
  17
  18#include "clkc.h"
  19#include "meson8b.h"
  20#include "clk-regmap.h"
  21
  22static DEFINE_SPINLOCK(meson_clk_lock);
  23
  24struct meson8b_clk_reset {
  25        struct reset_controller_dev reset;
  26        struct regmap *regmap;
  27};
  28
  29static const struct pll_params_table sys_pll_params_table[] = {
  30        PLL_PARAMS(50, 1),
  31        PLL_PARAMS(51, 1),
  32        PLL_PARAMS(52, 1),
  33        PLL_PARAMS(53, 1),
  34        PLL_PARAMS(54, 1),
  35        PLL_PARAMS(55, 1),
  36        PLL_PARAMS(56, 1),
  37        PLL_PARAMS(57, 1),
  38        PLL_PARAMS(58, 1),
  39        PLL_PARAMS(59, 1),
  40        PLL_PARAMS(60, 1),
  41        PLL_PARAMS(61, 1),
  42        PLL_PARAMS(62, 1),
  43        PLL_PARAMS(63, 1),
  44        PLL_PARAMS(64, 1),
  45        { /* sentinel */ },
  46};
  47
  48static struct clk_fixed_rate meson8b_xtal = {
  49        .fixed_rate = 24000000,
  50        .hw.init = &(struct clk_init_data){
  51                .name = "xtal",
  52                .num_parents = 0,
  53                .ops = &clk_fixed_rate_ops,
  54        },
  55};
  56
  57static struct clk_regmap meson8b_fixed_pll_dco = {
  58        .data = &(struct meson_clk_pll_data){
  59                .en = {
  60                        .reg_off = HHI_MPLL_CNTL,
  61                        .shift   = 30,
  62                        .width   = 1,
  63                },
  64                .m = {
  65                        .reg_off = HHI_MPLL_CNTL,
  66                        .shift   = 0,
  67                        .width   = 9,
  68                },
  69                .n = {
  70                        .reg_off = HHI_MPLL_CNTL,
  71                        .shift   = 9,
  72                        .width   = 5,
  73                },
  74                .frac = {
  75                        .reg_off = HHI_MPLL_CNTL2,
  76                        .shift   = 0,
  77                        .width   = 12,
  78                },
  79                .l = {
  80                        .reg_off = HHI_MPLL_CNTL,
  81                        .shift   = 31,
  82                        .width   = 1,
  83                },
  84                .rst = {
  85                        .reg_off = HHI_MPLL_CNTL,
  86                        .shift   = 29,
  87                        .width   = 1,
  88                },
  89        },
  90        .hw.init = &(struct clk_init_data){
  91                .name = "fixed_pll_dco",
  92                .ops = &meson_clk_pll_ro_ops,
  93                .parent_names = (const char *[]){ "xtal" },
  94                .num_parents = 1,
  95        },
  96};
  97
  98static struct clk_regmap meson8b_fixed_pll = {
  99        .data = &(struct clk_regmap_div_data){
 100                .offset = HHI_MPLL_CNTL,
 101                .shift = 16,
 102                .width = 2,
 103                .flags = CLK_DIVIDER_POWER_OF_TWO,
 104        },
 105        .hw.init = &(struct clk_init_data){
 106                .name = "fixed_pll",
 107                .ops = &clk_regmap_divider_ro_ops,
 108                .parent_names = (const char *[]){ "fixed_pll_dco" },
 109                .num_parents = 1,
 110                /*
 111                 * This clock won't ever change at runtime so
 112                 * CLK_SET_RATE_PARENT is not required
 113                 */
 114        },
 115};
 116
 117static struct clk_regmap meson8b_vid_pll_dco = {
 118        .data = &(struct meson_clk_pll_data){
 119                .en = {
 120                        .reg_off = HHI_VID_PLL_CNTL,
 121                        .shift   = 30,
 122                        .width   = 1,
 123                },
 124                .m = {
 125                        .reg_off = HHI_VID_PLL_CNTL,
 126                        .shift   = 0,
 127                        .width   = 9,
 128                },
 129                .n = {
 130                        .reg_off = HHI_VID_PLL_CNTL,
 131                        .shift   = 9,
 132                        .width   = 5,
 133                },
 134                .l = {
 135                        .reg_off = HHI_VID_PLL_CNTL,
 136                        .shift   = 31,
 137                        .width   = 1,
 138                },
 139                .rst = {
 140                        .reg_off = HHI_VID_PLL_CNTL,
 141                        .shift   = 29,
 142                        .width   = 1,
 143                },
 144        },
 145        .hw.init = &(struct clk_init_data){
 146                .name = "vid_pll_dco",
 147                .ops = &meson_clk_pll_ro_ops,
 148                .parent_names = (const char *[]){ "xtal" },
 149                .num_parents = 1,
 150        },
 151};
 152
 153static struct clk_regmap meson8b_vid_pll = {
 154        .data = &(struct clk_regmap_div_data){
 155                .offset = HHI_VID_PLL_CNTL,
 156                .shift = 16,
 157                .width = 2,
 158                .flags = CLK_DIVIDER_POWER_OF_TWO,
 159        },
 160        .hw.init = &(struct clk_init_data){
 161                .name = "vid_pll",
 162                .ops = &clk_regmap_divider_ro_ops,
 163                .parent_names = (const char *[]){ "vid_pll_dco" },
 164                .num_parents = 1,
 165                .flags = CLK_SET_RATE_PARENT,
 166        },
 167};
 168
 169static struct clk_regmap meson8b_sys_pll_dco = {
 170        .data = &(struct meson_clk_pll_data){
 171                .en = {
 172                        .reg_off = HHI_SYS_PLL_CNTL,
 173                        .shift   = 30,
 174                        .width   = 1,
 175                },
 176                .m = {
 177                        .reg_off = HHI_SYS_PLL_CNTL,
 178                        .shift   = 0,
 179                        .width   = 9,
 180                },
 181                .n = {
 182                        .reg_off = HHI_SYS_PLL_CNTL,
 183                        .shift   = 9,
 184                        .width   = 5,
 185                },
 186                .l = {
 187                        .reg_off = HHI_SYS_PLL_CNTL,
 188                        .shift   = 31,
 189                        .width   = 1,
 190                },
 191                .rst = {
 192                        .reg_off = HHI_SYS_PLL_CNTL,
 193                        .shift   = 29,
 194                        .width   = 1,
 195                },
 196                .table = sys_pll_params_table,
 197        },
 198        .hw.init = &(struct clk_init_data){
 199                .name = "sys_pll_dco",
 200                .ops = &meson_clk_pll_ro_ops,
 201                .parent_names = (const char *[]){ "xtal" },
 202                .num_parents = 1,
 203        },
 204};
 205
 206static struct clk_regmap meson8b_sys_pll = {
 207        .data = &(struct clk_regmap_div_data){
 208                .offset = HHI_SYS_PLL_CNTL,
 209                .shift = 16,
 210                .width = 2,
 211                .flags = CLK_DIVIDER_POWER_OF_TWO,
 212        },
 213        .hw.init = &(struct clk_init_data){
 214                .name = "sys_pll",
 215                .ops = &clk_regmap_divider_ro_ops,
 216                .parent_names = (const char *[]){ "sys_pll_dco" },
 217                .num_parents = 1,
 218                .flags = CLK_SET_RATE_PARENT,
 219        },
 220};
 221
 222static struct clk_fixed_factor meson8b_fclk_div2_div = {
 223        .mult = 1,
 224        .div = 2,
 225        .hw.init = &(struct clk_init_data){
 226                .name = "fclk_div2_div",
 227                .ops = &clk_fixed_factor_ops,
 228                .parent_names = (const char *[]){ "fixed_pll" },
 229                .num_parents = 1,
 230        },
 231};
 232
 233static struct clk_regmap meson8b_fclk_div2 = {
 234        .data = &(struct clk_regmap_gate_data){
 235                .offset = HHI_MPLL_CNTL6,
 236                .bit_idx = 27,
 237        },
 238        .hw.init = &(struct clk_init_data){
 239                .name = "fclk_div2",
 240                .ops = &clk_regmap_gate_ops,
 241                .parent_names = (const char *[]){ "fclk_div2_div" },
 242                .num_parents = 1,
 243                /*
 244                 * FIXME: Ethernet with a RGMII PHYs is not working if
 245                 * fclk_div2 is disabled. it is currently unclear why this
 246                 * is. keep it enabled until the Ethernet driver knows how
 247                 * to manage this clock.
 248                 */
 249                .flags = CLK_IS_CRITICAL,
 250        },
 251};
 252
 253static struct clk_fixed_factor meson8b_fclk_div3_div = {
 254        .mult = 1,
 255        .div = 3,
 256        .hw.init = &(struct clk_init_data){
 257                .name = "fclk_div3_div",
 258                .ops = &clk_fixed_factor_ops,
 259                .parent_names = (const char *[]){ "fixed_pll" },
 260                .num_parents = 1,
 261        },
 262};
 263
 264static struct clk_regmap meson8b_fclk_div3 = {
 265        .data = &(struct clk_regmap_gate_data){
 266                .offset = HHI_MPLL_CNTL6,
 267                .bit_idx = 28,
 268        },
 269        .hw.init = &(struct clk_init_data){
 270                .name = "fclk_div3",
 271                .ops = &clk_regmap_gate_ops,
 272                .parent_names = (const char *[]){ "fclk_div3_div" },
 273                .num_parents = 1,
 274        },
 275};
 276
 277static struct clk_fixed_factor meson8b_fclk_div4_div = {
 278        .mult = 1,
 279        .div = 4,
 280        .hw.init = &(struct clk_init_data){
 281                .name = "fclk_div4_div",
 282                .ops = &clk_fixed_factor_ops,
 283                .parent_names = (const char *[]){ "fixed_pll" },
 284                .num_parents = 1,
 285        },
 286};
 287
 288static struct clk_regmap meson8b_fclk_div4 = {
 289        .data = &(struct clk_regmap_gate_data){
 290                .offset = HHI_MPLL_CNTL6,
 291                .bit_idx = 29,
 292        },
 293        .hw.init = &(struct clk_init_data){
 294                .name = "fclk_div4",
 295                .ops = &clk_regmap_gate_ops,
 296                .parent_names = (const char *[]){ "fclk_div4_div" },
 297                .num_parents = 1,
 298        },
 299};
 300
 301static struct clk_fixed_factor meson8b_fclk_div5_div = {
 302        .mult = 1,
 303        .div = 5,
 304        .hw.init = &(struct clk_init_data){
 305                .name = "fclk_div5_div",
 306                .ops = &clk_fixed_factor_ops,
 307                .parent_names = (const char *[]){ "fixed_pll" },
 308                .num_parents = 1,
 309        },
 310};
 311
 312static struct clk_regmap meson8b_fclk_div5 = {
 313        .data = &(struct clk_regmap_gate_data){
 314                .offset = HHI_MPLL_CNTL6,
 315                .bit_idx = 30,
 316        },
 317        .hw.init = &(struct clk_init_data){
 318                .name = "fclk_div5",
 319                .ops = &clk_regmap_gate_ops,
 320                .parent_names = (const char *[]){ "fclk_div5_div" },
 321                .num_parents = 1,
 322        },
 323};
 324
 325static struct clk_fixed_factor meson8b_fclk_div7_div = {
 326        .mult = 1,
 327        .div = 7,
 328        .hw.init = &(struct clk_init_data){
 329                .name = "fclk_div7_div",
 330                .ops = &clk_fixed_factor_ops,
 331                .parent_names = (const char *[]){ "fixed_pll" },
 332                .num_parents = 1,
 333        },
 334};
 335
 336static struct clk_regmap meson8b_fclk_div7 = {
 337        .data = &(struct clk_regmap_gate_data){
 338                .offset = HHI_MPLL_CNTL6,
 339                .bit_idx = 31,
 340        },
 341        .hw.init = &(struct clk_init_data){
 342                .name = "fclk_div7",
 343                .ops = &clk_regmap_gate_ops,
 344                .parent_names = (const char *[]){ "fclk_div7_div" },
 345                .num_parents = 1,
 346        },
 347};
 348
 349static struct clk_regmap meson8b_mpll_prediv = {
 350        .data = &(struct clk_regmap_div_data){
 351                .offset = HHI_MPLL_CNTL5,
 352                .shift = 12,
 353                .width = 1,
 354        },
 355        .hw.init = &(struct clk_init_data){
 356                .name = "mpll_prediv",
 357                .ops = &clk_regmap_divider_ro_ops,
 358                .parent_names = (const char *[]){ "fixed_pll" },
 359                .num_parents = 1,
 360        },
 361};
 362
 363static struct clk_regmap meson8b_mpll0_div = {
 364        .data = &(struct meson_clk_mpll_data){
 365                .sdm = {
 366                        .reg_off = HHI_MPLL_CNTL7,
 367                        .shift   = 0,
 368                        .width   = 14,
 369                },
 370                .sdm_en = {
 371                        .reg_off = HHI_MPLL_CNTL7,
 372                        .shift   = 15,
 373                        .width   = 1,
 374                },
 375                .n2 = {
 376                        .reg_off = HHI_MPLL_CNTL7,
 377                        .shift   = 16,
 378                        .width   = 9,
 379                },
 380                .ssen = {
 381                        .reg_off = HHI_MPLL_CNTL,
 382                        .shift   = 25,
 383                        .width   = 1,
 384                },
 385                .lock = &meson_clk_lock,
 386        },
 387        .hw.init = &(struct clk_init_data){
 388                .name = "mpll0_div",
 389                .ops = &meson_clk_mpll_ops,
 390                .parent_names = (const char *[]){ "mpll_prediv" },
 391                .num_parents = 1,
 392        },
 393};
 394
 395static struct clk_regmap meson8b_mpll0 = {
 396        .data = &(struct clk_regmap_gate_data){
 397                .offset = HHI_MPLL_CNTL7,
 398                .bit_idx = 14,
 399        },
 400        .hw.init = &(struct clk_init_data){
 401                .name = "mpll0",
 402                .ops = &clk_regmap_gate_ops,
 403                .parent_names = (const char *[]){ "mpll0_div" },
 404                .num_parents = 1,
 405                .flags = CLK_SET_RATE_PARENT,
 406        },
 407};
 408
 409static struct clk_regmap meson8b_mpll1_div = {
 410        .data = &(struct meson_clk_mpll_data){
 411                .sdm = {
 412                        .reg_off = HHI_MPLL_CNTL8,
 413                        .shift   = 0,
 414                        .width   = 14,
 415                },
 416                .sdm_en = {
 417                        .reg_off = HHI_MPLL_CNTL8,
 418                        .shift   = 15,
 419                        .width   = 1,
 420                },
 421                .n2 = {
 422                        .reg_off = HHI_MPLL_CNTL8,
 423                        .shift   = 16,
 424                        .width   = 9,
 425                },
 426                .lock = &meson_clk_lock,
 427        },
 428        .hw.init = &(struct clk_init_data){
 429                .name = "mpll1_div",
 430                .ops = &meson_clk_mpll_ops,
 431                .parent_names = (const char *[]){ "mpll_prediv" },
 432                .num_parents = 1,
 433        },
 434};
 435
 436static struct clk_regmap meson8b_mpll1 = {
 437        .data = &(struct clk_regmap_gate_data){
 438                .offset = HHI_MPLL_CNTL8,
 439                .bit_idx = 14,
 440        },
 441        .hw.init = &(struct clk_init_data){
 442                .name = "mpll1",
 443                .ops = &clk_regmap_gate_ops,
 444                .parent_names = (const char *[]){ "mpll1_div" },
 445                .num_parents = 1,
 446                .flags = CLK_SET_RATE_PARENT,
 447        },
 448};
 449
 450static struct clk_regmap meson8b_mpll2_div = {
 451        .data = &(struct meson_clk_mpll_data){
 452                .sdm = {
 453                        .reg_off = HHI_MPLL_CNTL9,
 454                        .shift   = 0,
 455                        .width   = 14,
 456                },
 457                .sdm_en = {
 458                        .reg_off = HHI_MPLL_CNTL9,
 459                        .shift   = 15,
 460                        .width   = 1,
 461                },
 462                .n2 = {
 463                        .reg_off = HHI_MPLL_CNTL9,
 464                        .shift   = 16,
 465                        .width   = 9,
 466                },
 467                .lock = &meson_clk_lock,
 468        },
 469        .hw.init = &(struct clk_init_data){
 470                .name = "mpll2_div",
 471                .ops = &meson_clk_mpll_ops,
 472                .parent_names = (const char *[]){ "mpll_prediv" },
 473                .num_parents = 1,
 474        },
 475};
 476
 477static struct clk_regmap meson8b_mpll2 = {
 478        .data = &(struct clk_regmap_gate_data){
 479                .offset = HHI_MPLL_CNTL9,
 480                .bit_idx = 14,
 481        },
 482        .hw.init = &(struct clk_init_data){
 483                .name = "mpll2",
 484                .ops = &clk_regmap_gate_ops,
 485                .parent_names = (const char *[]){ "mpll2_div" },
 486                .num_parents = 1,
 487                .flags = CLK_SET_RATE_PARENT,
 488        },
 489};
 490
 491static u32 mux_table_clk81[]    = { 6, 5, 7 };
 492static struct clk_regmap meson8b_mpeg_clk_sel = {
 493        .data = &(struct clk_regmap_mux_data){
 494                .offset = HHI_MPEG_CLK_CNTL,
 495                .mask = 0x7,
 496                .shift = 12,
 497                .table = mux_table_clk81,
 498        },
 499        .hw.init = &(struct clk_init_data){
 500                .name = "mpeg_clk_sel",
 501                .ops = &clk_regmap_mux_ro_ops,
 502                /*
 503                 * FIXME bits 14:12 selects from 8 possible parents:
 504                 * xtal, 1'b0 (wtf), fclk_div7, mpll_clkout1, mpll_clkout2,
 505                 * fclk_div4, fclk_div3, fclk_div5
 506                 */
 507                .parent_names = (const char *[]){ "fclk_div3", "fclk_div4",
 508                        "fclk_div5" },
 509                .num_parents = 3,
 510        },
 511};
 512
 513static struct clk_regmap meson8b_mpeg_clk_div = {
 514        .data = &(struct clk_regmap_div_data){
 515                .offset = HHI_MPEG_CLK_CNTL,
 516                .shift = 0,
 517                .width = 7,
 518        },
 519        .hw.init = &(struct clk_init_data){
 520                .name = "mpeg_clk_div",
 521                .ops = &clk_regmap_divider_ro_ops,
 522                .parent_names = (const char *[]){ "mpeg_clk_sel" },
 523                .num_parents = 1,
 524        },
 525};
 526
 527static struct clk_regmap meson8b_clk81 = {
 528        .data = &(struct clk_regmap_gate_data){
 529                .offset = HHI_MPEG_CLK_CNTL,
 530                .bit_idx = 7,
 531        },
 532        .hw.init = &(struct clk_init_data){
 533                .name = "clk81",
 534                .ops = &clk_regmap_gate_ops,
 535                .parent_names = (const char *[]){ "mpeg_clk_div" },
 536                .num_parents = 1,
 537                .flags = CLK_IS_CRITICAL,
 538        },
 539};
 540
 541static struct clk_regmap meson8b_cpu_in_sel = {
 542        .data = &(struct clk_regmap_mux_data){
 543                .offset = HHI_SYS_CPU_CLK_CNTL0,
 544                .mask = 0x1,
 545                .shift = 0,
 546        },
 547        .hw.init = &(struct clk_init_data){
 548                .name = "cpu_in_sel",
 549                .ops = &clk_regmap_mux_ro_ops,
 550                .parent_names = (const char *[]){ "xtal", "sys_pll" },
 551                .num_parents = 2,
 552                .flags = (CLK_SET_RATE_PARENT |
 553                          CLK_SET_RATE_NO_REPARENT),
 554        },
 555};
 556
 557static struct clk_fixed_factor meson8b_cpu_div2 = {
 558        .mult = 1,
 559        .div = 2,
 560        .hw.init = &(struct clk_init_data){
 561                .name = "cpu_div2",
 562                .ops = &clk_fixed_factor_ops,
 563                .parent_names = (const char *[]){ "cpu_in_sel" },
 564                .num_parents = 1,
 565                .flags = CLK_SET_RATE_PARENT,
 566        },
 567};
 568
 569static struct clk_fixed_factor meson8b_cpu_div3 = {
 570        .mult = 1,
 571        .div = 3,
 572        .hw.init = &(struct clk_init_data){
 573                .name = "cpu_div3",
 574                .ops = &clk_fixed_factor_ops,
 575                .parent_names = (const char *[]){ "cpu_in_sel" },
 576                .num_parents = 1,
 577                .flags = CLK_SET_RATE_PARENT,
 578        },
 579};
 580
 581static const struct clk_div_table cpu_scale_table[] = {
 582        { .val = 2, .div = 4 },
 583        { .val = 3, .div = 6 },
 584        { .val = 4, .div = 8 },
 585        { .val = 5, .div = 10 },
 586        { .val = 6, .div = 12 },
 587        { .val = 7, .div = 14 },
 588        { .val = 8, .div = 16 },
 589        { /* sentinel */ },
 590};
 591
 592static struct clk_regmap meson8b_cpu_scale_div = {
 593        .data = &(struct clk_regmap_div_data){
 594                .offset =  HHI_SYS_CPU_CLK_CNTL1,
 595                .shift = 20,
 596                .width = 9,
 597                .table = cpu_scale_table,
 598                .flags = CLK_DIVIDER_ALLOW_ZERO,
 599        },
 600        .hw.init = &(struct clk_init_data){
 601                .name = "cpu_scale_div",
 602                .ops = &clk_regmap_divider_ro_ops,
 603                .parent_names = (const char *[]){ "cpu_in_sel" },
 604                .num_parents = 1,
 605                .flags = CLK_SET_RATE_PARENT,
 606        },
 607};
 608
 609static struct clk_regmap meson8b_cpu_scale_out_sel = {
 610        .data = &(struct clk_regmap_mux_data){
 611                .offset = HHI_SYS_CPU_CLK_CNTL0,
 612                .mask = 0x3,
 613                .shift = 2,
 614        },
 615        .hw.init = &(struct clk_init_data){
 616                .name = "cpu_scale_out_sel",
 617                .ops = &clk_regmap_mux_ro_ops,
 618                .parent_names = (const char *[]) { "cpu_in_sel",
 619                                                   "cpu_div2",
 620                                                   "cpu_div3",
 621                                                   "cpu_scale_div" },
 622                .num_parents = 4,
 623                .flags = CLK_SET_RATE_PARENT,
 624        },
 625};
 626
 627static struct clk_regmap meson8b_cpu_clk = {
 628        .data = &(struct clk_regmap_mux_data){
 629                .offset = HHI_SYS_CPU_CLK_CNTL0,
 630                .mask = 0x1,
 631                .shift = 7,
 632        },
 633        .hw.init = &(struct clk_init_data){
 634                .name = "cpu_clk",
 635                .ops = &clk_regmap_mux_ro_ops,
 636                .parent_names = (const char *[]){ "xtal",
 637                                                  "cpu_scale_out_sel" },
 638                .num_parents = 2,
 639                .flags = (CLK_SET_RATE_PARENT |
 640                          CLK_SET_RATE_NO_REPARENT),
 641        },
 642};
 643
 644static struct clk_regmap meson8b_nand_clk_sel = {
 645        .data = &(struct clk_regmap_mux_data){
 646                .offset = HHI_NAND_CLK_CNTL,
 647                .mask = 0x7,
 648                .shift = 9,
 649                .flags = CLK_MUX_ROUND_CLOSEST,
 650        },
 651        .hw.init = &(struct clk_init_data){
 652                .name = "nand_clk_sel",
 653                .ops = &clk_regmap_mux_ops,
 654                /* FIXME all other parents are unknown: */
 655                .parent_names = (const char *[]){ "fclk_div4", "fclk_div3",
 656                        "fclk_div5", "fclk_div7", "xtal" },
 657                .num_parents = 5,
 658                .flags = CLK_SET_RATE_PARENT,
 659        },
 660};
 661
 662static struct clk_regmap meson8b_nand_clk_div = {
 663        .data = &(struct clk_regmap_div_data){
 664                .offset =  HHI_NAND_CLK_CNTL,
 665                .shift = 0,
 666                .width = 7,
 667                .flags = CLK_DIVIDER_ROUND_CLOSEST,
 668        },
 669        .hw.init = &(struct clk_init_data){
 670                .name = "nand_clk_div",
 671                .ops = &clk_regmap_divider_ops,
 672                .parent_names = (const char *[]){ "nand_clk_sel" },
 673                .num_parents = 1,
 674                .flags = CLK_SET_RATE_PARENT,
 675        },
 676};
 677
 678static struct clk_regmap meson8b_nand_clk_gate = {
 679        .data = &(struct clk_regmap_gate_data){
 680                .offset = HHI_NAND_CLK_CNTL,
 681                .bit_idx = 8,
 682        },
 683        .hw.init = &(struct clk_init_data){
 684                .name = "nand_clk_gate",
 685                .ops = &clk_regmap_gate_ops,
 686                .parent_names = (const char *[]){ "nand_clk_div" },
 687                .num_parents = 1,
 688                .flags = CLK_SET_RATE_PARENT,
 689        },
 690};
 691
 692/* Everything Else (EE) domain gates */
 693
 694static MESON_GATE(meson8b_ddr, HHI_GCLK_MPEG0, 0);
 695static MESON_GATE(meson8b_dos, HHI_GCLK_MPEG0, 1);
 696static MESON_GATE(meson8b_isa, HHI_GCLK_MPEG0, 5);
 697static MESON_GATE(meson8b_pl301, HHI_GCLK_MPEG0, 6);
 698static MESON_GATE(meson8b_periphs, HHI_GCLK_MPEG0, 7);
 699static MESON_GATE(meson8b_spicc, HHI_GCLK_MPEG0, 8);
 700static MESON_GATE(meson8b_i2c, HHI_GCLK_MPEG0, 9);
 701static MESON_GATE(meson8b_sar_adc, HHI_GCLK_MPEG0, 10);
 702static MESON_GATE(meson8b_smart_card, HHI_GCLK_MPEG0, 11);
 703static MESON_GATE(meson8b_rng0, HHI_GCLK_MPEG0, 12);
 704static MESON_GATE(meson8b_uart0, HHI_GCLK_MPEG0, 13);
 705static MESON_GATE(meson8b_sdhc, HHI_GCLK_MPEG0, 14);
 706static MESON_GATE(meson8b_stream, HHI_GCLK_MPEG0, 15);
 707static MESON_GATE(meson8b_async_fifo, HHI_GCLK_MPEG0, 16);
 708static MESON_GATE(meson8b_sdio, HHI_GCLK_MPEG0, 17);
 709static MESON_GATE(meson8b_abuf, HHI_GCLK_MPEG0, 18);
 710static MESON_GATE(meson8b_hiu_iface, HHI_GCLK_MPEG0, 19);
 711static MESON_GATE(meson8b_assist_misc, HHI_GCLK_MPEG0, 23);
 712static MESON_GATE(meson8b_spi, HHI_GCLK_MPEG0, 30);
 713
 714static MESON_GATE(meson8b_i2s_spdif, HHI_GCLK_MPEG1, 2);
 715static MESON_GATE(meson8b_eth, HHI_GCLK_MPEG1, 3);
 716static MESON_GATE(meson8b_demux, HHI_GCLK_MPEG1, 4);
 717static MESON_GATE(meson8b_aiu_glue, HHI_GCLK_MPEG1, 6);
 718static MESON_GATE(meson8b_iec958, HHI_GCLK_MPEG1, 7);
 719static MESON_GATE(meson8b_i2s_out, HHI_GCLK_MPEG1, 8);
 720static MESON_GATE(meson8b_amclk, HHI_GCLK_MPEG1, 9);
 721static MESON_GATE(meson8b_aififo2, HHI_GCLK_MPEG1, 10);
 722static MESON_GATE(meson8b_mixer, HHI_GCLK_MPEG1, 11);
 723static MESON_GATE(meson8b_mixer_iface, HHI_GCLK_MPEG1, 12);
 724static MESON_GATE(meson8b_adc, HHI_GCLK_MPEG1, 13);
 725static MESON_GATE(meson8b_blkmv, HHI_GCLK_MPEG1, 14);
 726static MESON_GATE(meson8b_aiu, HHI_GCLK_MPEG1, 15);
 727static MESON_GATE(meson8b_uart1, HHI_GCLK_MPEG1, 16);
 728static MESON_GATE(meson8b_g2d, HHI_GCLK_MPEG1, 20);
 729static MESON_GATE(meson8b_usb0, HHI_GCLK_MPEG1, 21);
 730static MESON_GATE(meson8b_usb1, HHI_GCLK_MPEG1, 22);
 731static MESON_GATE(meson8b_reset, HHI_GCLK_MPEG1, 23);
 732static MESON_GATE(meson8b_nand, HHI_GCLK_MPEG1, 24);
 733static MESON_GATE(meson8b_dos_parser, HHI_GCLK_MPEG1, 25);
 734static MESON_GATE(meson8b_usb, HHI_GCLK_MPEG1, 26);
 735static MESON_GATE(meson8b_vdin1, HHI_GCLK_MPEG1, 28);
 736static MESON_GATE(meson8b_ahb_arb0, HHI_GCLK_MPEG1, 29);
 737static MESON_GATE(meson8b_efuse, HHI_GCLK_MPEG1, 30);
 738static MESON_GATE(meson8b_boot_rom, HHI_GCLK_MPEG1, 31);
 739
 740static MESON_GATE(meson8b_ahb_data_bus, HHI_GCLK_MPEG2, 1);
 741static MESON_GATE(meson8b_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2);
 742static MESON_GATE(meson8b_hdmi_intr_sync, HHI_GCLK_MPEG2, 3);
 743static MESON_GATE(meson8b_hdmi_pclk, HHI_GCLK_MPEG2, 4);
 744static MESON_GATE(meson8b_usb1_ddr_bridge, HHI_GCLK_MPEG2, 8);
 745static MESON_GATE(meson8b_usb0_ddr_bridge, HHI_GCLK_MPEG2, 9);
 746static MESON_GATE(meson8b_mmc_pclk, HHI_GCLK_MPEG2, 11);
 747static MESON_GATE(meson8b_dvin, HHI_GCLK_MPEG2, 12);
 748static MESON_GATE(meson8b_uart2, HHI_GCLK_MPEG2, 15);
 749static MESON_GATE(meson8b_sana, HHI_GCLK_MPEG2, 22);
 750static MESON_GATE(meson8b_vpu_intr, HHI_GCLK_MPEG2, 25);
 751static MESON_GATE(meson8b_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26);
 752static MESON_GATE(meson8b_clk81_a9, HHI_GCLK_MPEG2, 29);
 753
 754static MESON_GATE(meson8b_vclk2_venci0, HHI_GCLK_OTHER, 1);
 755static MESON_GATE(meson8b_vclk2_venci1, HHI_GCLK_OTHER, 2);
 756static MESON_GATE(meson8b_vclk2_vencp0, HHI_GCLK_OTHER, 3);
 757static MESON_GATE(meson8b_vclk2_vencp1, HHI_GCLK_OTHER, 4);
 758static MESON_GATE(meson8b_gclk_venci_int, HHI_GCLK_OTHER, 8);
 759static MESON_GATE(meson8b_gclk_vencp_int, HHI_GCLK_OTHER, 9);
 760static MESON_GATE(meson8b_dac_clk, HHI_GCLK_OTHER, 10);
 761static MESON_GATE(meson8b_aoclk_gate, HHI_GCLK_OTHER, 14);
 762static MESON_GATE(meson8b_iec958_gate, HHI_GCLK_OTHER, 16);
 763static MESON_GATE(meson8b_enc480p, HHI_GCLK_OTHER, 20);
 764static MESON_GATE(meson8b_rng1, HHI_GCLK_OTHER, 21);
 765static MESON_GATE(meson8b_gclk_vencl_int, HHI_GCLK_OTHER, 22);
 766static MESON_GATE(meson8b_vclk2_venclmcc, HHI_GCLK_OTHER, 24);
 767static MESON_GATE(meson8b_vclk2_vencl, HHI_GCLK_OTHER, 25);
 768static MESON_GATE(meson8b_vclk2_other, HHI_GCLK_OTHER, 26);
 769static MESON_GATE(meson8b_edp, HHI_GCLK_OTHER, 31);
 770
 771/* Always On (AO) domain gates */
 772
 773static MESON_GATE(meson8b_ao_media_cpu, HHI_GCLK_AO, 0);
 774static MESON_GATE(meson8b_ao_ahb_sram, HHI_GCLK_AO, 1);
 775static MESON_GATE(meson8b_ao_ahb_bus, HHI_GCLK_AO, 2);
 776static MESON_GATE(meson8b_ao_iface, HHI_GCLK_AO, 3);
 777
 778static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
 779        .hws = {
 780                [CLKID_XTAL] = &meson8b_xtal.hw,
 781                [CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw,
 782                [CLKID_PLL_VID] = &meson8b_vid_pll.hw,
 783                [CLKID_PLL_SYS] = &meson8b_sys_pll.hw,
 784                [CLKID_FCLK_DIV2] = &meson8b_fclk_div2.hw,
 785                [CLKID_FCLK_DIV3] = &meson8b_fclk_div3.hw,
 786                [CLKID_FCLK_DIV4] = &meson8b_fclk_div4.hw,
 787                [CLKID_FCLK_DIV5] = &meson8b_fclk_div5.hw,
 788                [CLKID_FCLK_DIV7] = &meson8b_fclk_div7.hw,
 789                [CLKID_CPUCLK] = &meson8b_cpu_clk.hw,
 790                [CLKID_MPEG_SEL] = &meson8b_mpeg_clk_sel.hw,
 791                [CLKID_MPEG_DIV] = &meson8b_mpeg_clk_div.hw,
 792                [CLKID_CLK81] = &meson8b_clk81.hw,
 793                [CLKID_DDR]                 = &meson8b_ddr.hw,
 794                [CLKID_DOS]                 = &meson8b_dos.hw,
 795                [CLKID_ISA]                 = &meson8b_isa.hw,
 796                [CLKID_PL301]               = &meson8b_pl301.hw,
 797                [CLKID_PERIPHS]             = &meson8b_periphs.hw,
 798                [CLKID_SPICC]               = &meson8b_spicc.hw,
 799                [CLKID_I2C]                 = &meson8b_i2c.hw,
 800                [CLKID_SAR_ADC]             = &meson8b_sar_adc.hw,
 801                [CLKID_SMART_CARD]          = &meson8b_smart_card.hw,
 802                [CLKID_RNG0]                = &meson8b_rng0.hw,
 803                [CLKID_UART0]               = &meson8b_uart0.hw,
 804                [CLKID_SDHC]                = &meson8b_sdhc.hw,
 805                [CLKID_STREAM]              = &meson8b_stream.hw,
 806                [CLKID_ASYNC_FIFO]          = &meson8b_async_fifo.hw,
 807                [CLKID_SDIO]                = &meson8b_sdio.hw,
 808                [CLKID_ABUF]                = &meson8b_abuf.hw,
 809                [CLKID_HIU_IFACE]           = &meson8b_hiu_iface.hw,
 810                [CLKID_ASSIST_MISC]         = &meson8b_assist_misc.hw,
 811                [CLKID_SPI]                 = &meson8b_spi.hw,
 812                [CLKID_I2S_SPDIF]           = &meson8b_i2s_spdif.hw,
 813                [CLKID_ETH]                 = &meson8b_eth.hw,
 814                [CLKID_DEMUX]               = &meson8b_demux.hw,
 815                [CLKID_AIU_GLUE]            = &meson8b_aiu_glue.hw,
 816                [CLKID_IEC958]              = &meson8b_iec958.hw,
 817                [CLKID_I2S_OUT]             = &meson8b_i2s_out.hw,
 818                [CLKID_AMCLK]               = &meson8b_amclk.hw,
 819                [CLKID_AIFIFO2]             = &meson8b_aififo2.hw,
 820                [CLKID_MIXER]               = &meson8b_mixer.hw,
 821                [CLKID_MIXER_IFACE]         = &meson8b_mixer_iface.hw,
 822                [CLKID_ADC]                 = &meson8b_adc.hw,
 823                [CLKID_BLKMV]               = &meson8b_blkmv.hw,
 824                [CLKID_AIU]                 = &meson8b_aiu.hw,
 825                [CLKID_UART1]               = &meson8b_uart1.hw,
 826                [CLKID_G2D]                 = &meson8b_g2d.hw,
 827                [CLKID_USB0]                = &meson8b_usb0.hw,
 828                [CLKID_USB1]                = &meson8b_usb1.hw,
 829                [CLKID_RESET]               = &meson8b_reset.hw,
 830                [CLKID_NAND]                = &meson8b_nand.hw,
 831                [CLKID_DOS_PARSER]          = &meson8b_dos_parser.hw,
 832                [CLKID_USB]                 = &meson8b_usb.hw,
 833                [CLKID_VDIN1]               = &meson8b_vdin1.hw,
 834                [CLKID_AHB_ARB0]            = &meson8b_ahb_arb0.hw,
 835                [CLKID_EFUSE]               = &meson8b_efuse.hw,
 836                [CLKID_BOOT_ROM]            = &meson8b_boot_rom.hw,
 837                [CLKID_AHB_DATA_BUS]        = &meson8b_ahb_data_bus.hw,
 838                [CLKID_AHB_CTRL_BUS]        = &meson8b_ahb_ctrl_bus.hw,
 839                [CLKID_HDMI_INTR_SYNC]      = &meson8b_hdmi_intr_sync.hw,
 840                [CLKID_HDMI_PCLK]           = &meson8b_hdmi_pclk.hw,
 841                [CLKID_USB1_DDR_BRIDGE]     = &meson8b_usb1_ddr_bridge.hw,
 842                [CLKID_USB0_DDR_BRIDGE]     = &meson8b_usb0_ddr_bridge.hw,
 843                [CLKID_MMC_PCLK]            = &meson8b_mmc_pclk.hw,
 844                [CLKID_DVIN]                = &meson8b_dvin.hw,
 845                [CLKID_UART2]               = &meson8b_uart2.hw,
 846                [CLKID_SANA]                = &meson8b_sana.hw,
 847                [CLKID_VPU_INTR]            = &meson8b_vpu_intr.hw,
 848                [CLKID_SEC_AHB_AHB3_BRIDGE] = &meson8b_sec_ahb_ahb3_bridge.hw,
 849                [CLKID_CLK81_A9]            = &meson8b_clk81_a9.hw,
 850                [CLKID_VCLK2_VENCI0]        = &meson8b_vclk2_venci0.hw,
 851                [CLKID_VCLK2_VENCI1]        = &meson8b_vclk2_venci1.hw,
 852                [CLKID_VCLK2_VENCP0]        = &meson8b_vclk2_vencp0.hw,
 853                [CLKID_VCLK2_VENCP1]        = &meson8b_vclk2_vencp1.hw,
 854                [CLKID_GCLK_VENCI_INT]      = &meson8b_gclk_venci_int.hw,
 855                [CLKID_GCLK_VENCP_INT]      = &meson8b_gclk_vencp_int.hw,
 856                [CLKID_DAC_CLK]             = &meson8b_dac_clk.hw,
 857                [CLKID_AOCLK_GATE]          = &meson8b_aoclk_gate.hw,
 858                [CLKID_IEC958_GATE]         = &meson8b_iec958_gate.hw,
 859                [CLKID_ENC480P]             = &meson8b_enc480p.hw,
 860                [CLKID_RNG1]                = &meson8b_rng1.hw,
 861                [CLKID_GCLK_VENCL_INT]      = &meson8b_gclk_vencl_int.hw,
 862                [CLKID_VCLK2_VENCLMCC]      = &meson8b_vclk2_venclmcc.hw,
 863                [CLKID_VCLK2_VENCL]         = &meson8b_vclk2_vencl.hw,
 864                [CLKID_VCLK2_OTHER]         = &meson8b_vclk2_other.hw,
 865                [CLKID_EDP]                 = &meson8b_edp.hw,
 866                [CLKID_AO_MEDIA_CPU]        = &meson8b_ao_media_cpu.hw,
 867                [CLKID_AO_AHB_SRAM]         = &meson8b_ao_ahb_sram.hw,
 868                [CLKID_AO_AHB_BUS]          = &meson8b_ao_ahb_bus.hw,
 869                [CLKID_AO_IFACE]            = &meson8b_ao_iface.hw,
 870                [CLKID_MPLL0]               = &meson8b_mpll0.hw,
 871                [CLKID_MPLL1]               = &meson8b_mpll1.hw,
 872                [CLKID_MPLL2]               = &meson8b_mpll2.hw,
 873                [CLKID_MPLL0_DIV]           = &meson8b_mpll0_div.hw,
 874                [CLKID_MPLL1_DIV]           = &meson8b_mpll1_div.hw,
 875                [CLKID_MPLL2_DIV]           = &meson8b_mpll2_div.hw,
 876                [CLKID_CPU_IN_SEL]          = &meson8b_cpu_in_sel.hw,
 877                [CLKID_CPU_DIV2]            = &meson8b_cpu_div2.hw,
 878                [CLKID_CPU_DIV3]            = &meson8b_cpu_div3.hw,
 879                [CLKID_CPU_SCALE_DIV]       = &meson8b_cpu_scale_div.hw,
 880                [CLKID_CPU_SCALE_OUT_SEL]   = &meson8b_cpu_scale_out_sel.hw,
 881                [CLKID_MPLL_PREDIV]         = &meson8b_mpll_prediv.hw,
 882                [CLKID_FCLK_DIV2_DIV]       = &meson8b_fclk_div2_div.hw,
 883                [CLKID_FCLK_DIV3_DIV]       = &meson8b_fclk_div3_div.hw,
 884                [CLKID_FCLK_DIV4_DIV]       = &meson8b_fclk_div4_div.hw,
 885                [CLKID_FCLK_DIV5_DIV]       = &meson8b_fclk_div5_div.hw,
 886                [CLKID_FCLK_DIV7_DIV]       = &meson8b_fclk_div7_div.hw,
 887                [CLKID_NAND_SEL]            = &meson8b_nand_clk_sel.hw,
 888                [CLKID_NAND_DIV]            = &meson8b_nand_clk_div.hw,
 889                [CLKID_NAND_CLK]            = &meson8b_nand_clk_gate.hw,
 890                [CLKID_PLL_FIXED_DCO]       = &meson8b_fixed_pll_dco.hw,
 891                [CLKID_PLL_VID_DCO]         = &meson8b_vid_pll_dco.hw,
 892                [CLKID_PLL_SYS_DCO]         = &meson8b_sys_pll_dco.hw,
 893                [CLK_NR_CLKS]               = NULL,
 894        },
 895        .num = CLK_NR_CLKS,
 896};
 897
 898static struct clk_regmap *const meson8b_clk_regmaps[] = {
 899        &meson8b_clk81,
 900        &meson8b_ddr,
 901        &meson8b_dos,
 902        &meson8b_isa,
 903        &meson8b_pl301,
 904        &meson8b_periphs,
 905        &meson8b_spicc,
 906        &meson8b_i2c,
 907        &meson8b_sar_adc,
 908        &meson8b_smart_card,
 909        &meson8b_rng0,
 910        &meson8b_uart0,
 911        &meson8b_sdhc,
 912        &meson8b_stream,
 913        &meson8b_async_fifo,
 914        &meson8b_sdio,
 915        &meson8b_abuf,
 916        &meson8b_hiu_iface,
 917        &meson8b_assist_misc,
 918        &meson8b_spi,
 919        &meson8b_i2s_spdif,
 920        &meson8b_eth,
 921        &meson8b_demux,
 922        &meson8b_aiu_glue,
 923        &meson8b_iec958,
 924        &meson8b_i2s_out,
 925        &meson8b_amclk,
 926        &meson8b_aififo2,
 927        &meson8b_mixer,
 928        &meson8b_mixer_iface,
 929        &meson8b_adc,
 930        &meson8b_blkmv,
 931        &meson8b_aiu,
 932        &meson8b_uart1,
 933        &meson8b_g2d,
 934        &meson8b_usb0,
 935        &meson8b_usb1,
 936        &meson8b_reset,
 937        &meson8b_nand,
 938        &meson8b_dos_parser,
 939        &meson8b_usb,
 940        &meson8b_vdin1,
 941        &meson8b_ahb_arb0,
 942        &meson8b_efuse,
 943        &meson8b_boot_rom,
 944        &meson8b_ahb_data_bus,
 945        &meson8b_ahb_ctrl_bus,
 946        &meson8b_hdmi_intr_sync,
 947        &meson8b_hdmi_pclk,
 948        &meson8b_usb1_ddr_bridge,
 949        &meson8b_usb0_ddr_bridge,
 950        &meson8b_mmc_pclk,
 951        &meson8b_dvin,
 952        &meson8b_uart2,
 953        &meson8b_sana,
 954        &meson8b_vpu_intr,
 955        &meson8b_sec_ahb_ahb3_bridge,
 956        &meson8b_clk81_a9,
 957        &meson8b_vclk2_venci0,
 958        &meson8b_vclk2_venci1,
 959        &meson8b_vclk2_vencp0,
 960        &meson8b_vclk2_vencp1,
 961        &meson8b_gclk_venci_int,
 962        &meson8b_gclk_vencp_int,
 963        &meson8b_dac_clk,
 964        &meson8b_aoclk_gate,
 965        &meson8b_iec958_gate,
 966        &meson8b_enc480p,
 967        &meson8b_rng1,
 968        &meson8b_gclk_vencl_int,
 969        &meson8b_vclk2_venclmcc,
 970        &meson8b_vclk2_vencl,
 971        &meson8b_vclk2_other,
 972        &meson8b_edp,
 973        &meson8b_ao_media_cpu,
 974        &meson8b_ao_ahb_sram,
 975        &meson8b_ao_ahb_bus,
 976        &meson8b_ao_iface,
 977        &meson8b_mpeg_clk_div,
 978        &meson8b_mpeg_clk_sel,
 979        &meson8b_mpll0,
 980        &meson8b_mpll1,
 981        &meson8b_mpll2,
 982        &meson8b_mpll0_div,
 983        &meson8b_mpll1_div,
 984        &meson8b_mpll2_div,
 985        &meson8b_fixed_pll,
 986        &meson8b_vid_pll,
 987        &meson8b_sys_pll,
 988        &meson8b_cpu_in_sel,
 989        &meson8b_cpu_scale_div,
 990        &meson8b_cpu_scale_out_sel,
 991        &meson8b_cpu_clk,
 992        &meson8b_mpll_prediv,
 993        &meson8b_fclk_div2,
 994        &meson8b_fclk_div3,
 995        &meson8b_fclk_div4,
 996        &meson8b_fclk_div5,
 997        &meson8b_fclk_div7,
 998        &meson8b_nand_clk_sel,
 999        &meson8b_nand_clk_div,
1000        &meson8b_nand_clk_gate,
1001        &meson8b_fixed_pll_dco,
1002        &meson8b_vid_pll_dco,
1003        &meson8b_sys_pll_dco,
1004};
1005
1006static const struct meson8b_clk_reset_line {
1007        u32 reg;
1008        u8 bit_idx;
1009} meson8b_clk_reset_bits[] = {
1010        [CLKC_RESET_L2_CACHE_SOFT_RESET] = {
1011                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 30
1012        },
1013        [CLKC_RESET_AXI_64_TO_128_BRIDGE_A5_SOFT_RESET] = {
1014                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 29
1015        },
1016        [CLKC_RESET_SCU_SOFT_RESET] = {
1017                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 28
1018        },
1019        [CLKC_RESET_CPU3_SOFT_RESET] = {
1020                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 27
1021        },
1022        [CLKC_RESET_CPU2_SOFT_RESET] = {
1023                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 26
1024        },
1025        [CLKC_RESET_CPU1_SOFT_RESET] = {
1026                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 25
1027        },
1028        [CLKC_RESET_CPU0_SOFT_RESET] = {
1029                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 24
1030        },
1031        [CLKC_RESET_A5_GLOBAL_RESET] = {
1032                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 18
1033        },
1034        [CLKC_RESET_A5_AXI_SOFT_RESET] = {
1035                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 17
1036        },
1037        [CLKC_RESET_A5_ABP_SOFT_RESET] = {
1038                .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 16
1039        },
1040        [CLKC_RESET_AXI_64_TO_128_BRIDGE_MMC_SOFT_RESET] = {
1041                .reg = HHI_SYS_CPU_CLK_CNTL1, .bit_idx = 30
1042        },
1043        [CLKC_RESET_VID_CLK_CNTL_SOFT_RESET] = {
1044                .reg = HHI_VID_CLK_CNTL, .bit_idx = 15
1045        },
1046        [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_POST] = {
1047                .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 7
1048        },
1049        [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_PRE] = {
1050                .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 3
1051        },
1052        [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_POST] = {
1053                .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 1
1054        },
1055        [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_PRE] = {
1056                .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 0
1057        },
1058};
1059
1060static int meson8b_clk_reset_update(struct reset_controller_dev *rcdev,
1061                                    unsigned long id, bool assert)
1062{
1063        struct meson8b_clk_reset *meson8b_clk_reset =
1064                container_of(rcdev, struct meson8b_clk_reset, reset);
1065        unsigned long flags;
1066        const struct meson8b_clk_reset_line *reset;
1067
1068        if (id >= ARRAY_SIZE(meson8b_clk_reset_bits))
1069                return -EINVAL;
1070
1071        reset = &meson8b_clk_reset_bits[id];
1072
1073        spin_lock_irqsave(&meson_clk_lock, flags);
1074
1075        if (assert)
1076                regmap_update_bits(meson8b_clk_reset->regmap, reset->reg,
1077                                   BIT(reset->bit_idx), BIT(reset->bit_idx));
1078        else
1079                regmap_update_bits(meson8b_clk_reset->regmap, reset->reg,
1080                                   BIT(reset->bit_idx), 0);
1081
1082        spin_unlock_irqrestore(&meson_clk_lock, flags);
1083
1084        return 0;
1085}
1086
1087static int meson8b_clk_reset_assert(struct reset_controller_dev *rcdev,
1088                                     unsigned long id)
1089{
1090        return meson8b_clk_reset_update(rcdev, id, true);
1091}
1092
1093static int meson8b_clk_reset_deassert(struct reset_controller_dev *rcdev,
1094                                       unsigned long id)
1095{
1096        return meson8b_clk_reset_update(rcdev, id, false);
1097}
1098
1099static const struct reset_control_ops meson8b_clk_reset_ops = {
1100        .assert = meson8b_clk_reset_assert,
1101        .deassert = meson8b_clk_reset_deassert,
1102};
1103
1104static const struct regmap_config clkc_regmap_config = {
1105        .reg_bits       = 32,
1106        .val_bits       = 32,
1107        .reg_stride     = 4,
1108};
1109
1110static void __init meson8b_clkc_init(struct device_node *np)
1111{
1112        struct meson8b_clk_reset *rstc;
1113        void __iomem *clk_base;
1114        struct regmap *map;
1115        int i, ret;
1116
1117        /* Generic clocks, PLLs and some of the reset-bits */
1118        clk_base = of_iomap(np, 1);
1119        if (!clk_base) {
1120                pr_err("%s: Unable to map clk base\n", __func__);
1121                return;
1122        }
1123
1124        map = regmap_init_mmio(NULL, clk_base, &clkc_regmap_config);
1125        if (IS_ERR(map))
1126                return;
1127
1128        rstc = kzalloc(sizeof(*rstc), GFP_KERNEL);
1129        if (!rstc)
1130                return;
1131
1132        /* Reset Controller */
1133        rstc->regmap = map;
1134        rstc->reset.ops = &meson8b_clk_reset_ops;
1135        rstc->reset.nr_resets = ARRAY_SIZE(meson8b_clk_reset_bits);
1136        rstc->reset.of_node = np;
1137        ret = reset_controller_register(&rstc->reset);
1138        if (ret) {
1139                pr_err("%s: Failed to register clkc reset controller: %d\n",
1140                       __func__, ret);
1141                return;
1142        }
1143
1144        /* Populate regmap for the regmap backed clocks */
1145        for (i = 0; i < ARRAY_SIZE(meson8b_clk_regmaps); i++)
1146                meson8b_clk_regmaps[i]->map = map;
1147
1148        /*
1149         * register all clks
1150         * CLKID_UNUSED = 0, so skip it and start with CLKID_XTAL = 1
1151         */
1152        for (i = CLKID_XTAL; i < CLK_NR_CLKS; i++) {
1153                /* array might be sparse */
1154                if (!meson8b_hw_onecell_data.hws[i])
1155                        continue;
1156
1157                ret = clk_hw_register(NULL, meson8b_hw_onecell_data.hws[i]);
1158                if (ret)
1159                        return;
1160        }
1161
1162        ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get,
1163                                     &meson8b_hw_onecell_data);
1164        if (ret)
1165                pr_err("%s: failed to register clock provider\n", __func__);
1166}
1167
1168CLK_OF_DECLARE_DRIVER(meson8_clkc, "amlogic,meson8-clkc",
1169                      meson8b_clkc_init);
1170CLK_OF_DECLARE_DRIVER(meson8b_clkc, "amlogic,meson8b-clkc",
1171                      meson8b_clkc_init);
1172CLK_OF_DECLARE_DRIVER(meson8m2_clkc, "amlogic,meson8m2-clkc",
1173                      meson8b_clkc_init);
1174