linux/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (c) 2017 Icenowy Zheng <icenowy@aosc.io>
   4 */
   5
   6#include <linux/clk-provider.h>
   7#include <linux/io.h>
   8#include <linux/platform_device.h>
   9#include <linux/regmap.h>
  10
  11#include "ccu_common.h"
  12#include "ccu_reset.h"
  13
  14#include "ccu_div.h"
  15#include "ccu_gate.h"
  16#include "ccu_mp.h"
  17#include "ccu_mult.h"
  18#include "ccu_nk.h"
  19#include "ccu_nkm.h"
  20#include "ccu_nkmp.h"
  21#include "ccu_nm.h"
  22#include "ccu_phase.h"
  23
  24#include "ccu-sun8i-r40.h"
  25
  26/* TODO: The result of N*K is required to be in [10, 88] range. */
  27static struct ccu_nkmp pll_cpu_clk = {
  28        .enable         = BIT(31),
  29        .lock           = BIT(28),
  30        .n              = _SUNXI_CCU_MULT(8, 5),
  31        .k              = _SUNXI_CCU_MULT(4, 2),
  32        .m              = _SUNXI_CCU_DIV(0, 2),
  33        .p              = _SUNXI_CCU_DIV_MAX(16, 2, 4),
  34        .common         = {
  35                .reg            = 0x000,
  36                .hw.init        = CLK_HW_INIT("pll-cpu",
  37                                              "osc24M",
  38                                              &ccu_nkmp_ops,
  39                                              CLK_SET_RATE_UNGATE),
  40        },
  41};
  42
  43/*
  44 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
  45 * the base (2x, 4x and 8x), and one variable divider (the one true
  46 * pll audio).
  47 *
  48 * We don't have any need for the variable divider for now, so we just
  49 * hardcode it to match with the clock names
  50 */
  51#define SUN8I_R40_PLL_AUDIO_REG 0x008
  52
  53static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
  54                                   "osc24M", 0x008,
  55                                   8, 7,        /* N */
  56                                   0, 5,        /* M */
  57                                   BIT(31),     /* gate */
  58                                   BIT(28),     /* lock */
  59                                   CLK_SET_RATE_UNGATE);
  60
  61static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(pll_video0_clk, "pll-video0",
  62                                                "osc24M", 0x0010,
  63                                                192000000,  /* Minimum rate */
  64                                                1008000000, /* Maximum rate */
  65                                                8, 7,       /* N */
  66                                                0, 4,       /* M */
  67                                                BIT(24),    /* frac enable */
  68                                                BIT(25),    /* frac select */
  69                                                270000000,  /* frac rate 0 */
  70                                                297000000,  /* frac rate 1 */
  71                                                BIT(31),    /* gate */
  72                                                BIT(28),    /* lock */
  73                                                CLK_SET_RATE_UNGATE);
  74
  75/* TODO: The result of N/M is required to be in [8, 25] range. */
  76static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
  77                                        "osc24M", 0x0018,
  78                                        8, 7,           /* N */
  79                                        0, 4,           /* M */
  80                                        BIT(24),        /* frac enable */
  81                                        BIT(25),        /* frac select */
  82                                        270000000,      /* frac rate 0 */
  83                                        297000000,      /* frac rate 1 */
  84                                        BIT(31),        /* gate */
  85                                        BIT(28),        /* lock */
  86                                        CLK_SET_RATE_UNGATE);
  87
  88/* TODO: The result of N*K is required to be in [10, 77] range. */
  89static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0",
  90                                    "osc24M", 0x020,
  91                                    8, 5,       /* N */
  92                                    4, 2,       /* K */
  93                                    0, 2,       /* M */
  94                                    BIT(31),    /* gate */
  95                                    BIT(28),    /* lock */
  96                                    CLK_SET_RATE_UNGATE);
  97
  98/* TODO: The result of N*K is required to be in [21, 58] range. */
  99static struct ccu_nk pll_periph0_clk = {
 100        .enable         = BIT(31),
 101        .lock           = BIT(28),
 102        .n              = _SUNXI_CCU_MULT(8, 5),
 103        .k              = _SUNXI_CCU_MULT(4, 2),
 104        .fixed_post_div = 2,
 105        .common         = {
 106                .reg            = 0x028,
 107                .features       = CCU_FEATURE_FIXED_POSTDIV,
 108                .hw.init        = CLK_HW_INIT("pll-periph0", "osc24M",
 109                                              &ccu_nk_ops,
 110                                              CLK_SET_RATE_UNGATE),
 111        },
 112};
 113
 114static struct ccu_div pll_periph0_sata_clk = {
 115        .enable         = BIT(24),
 116        .div            = _SUNXI_CCU_DIV(0, 2),
 117        /*
 118         * The formula of pll-periph0 (1x) is 24MHz*N*K/2, and the formula
 119         * of pll-periph0-sata is 24MHz*N*K/M/6, so the postdiv here is
 120         * 6/2 = 3.
 121         */
 122        .fixed_post_div = 3,
 123        .common         = {
 124                .reg            = 0x028,
 125                .features       = CCU_FEATURE_FIXED_POSTDIV,
 126                .hw.init        = CLK_HW_INIT("pll-periph0-sata",
 127                                              "pll-periph0",
 128                                              &ccu_div_ops, 0),
 129        },
 130};
 131
 132/* TODO: The result of N*K is required to be in [21, 58] range. */
 133static struct ccu_nk pll_periph1_clk = {
 134        .enable         = BIT(31),
 135        .lock           = BIT(28),
 136        .n              = _SUNXI_CCU_MULT(8, 5),
 137        .k              = _SUNXI_CCU_MULT(4, 2),
 138        .fixed_post_div = 2,
 139        .common         = {
 140                .reg            = 0x02c,
 141                .features       = CCU_FEATURE_FIXED_POSTDIV,
 142                .hw.init        = CLK_HW_INIT("pll-periph1", "osc24M",
 143                                              &ccu_nk_ops,
 144                                              CLK_SET_RATE_UNGATE),
 145        },
 146};
 147
 148static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(pll_video1_clk, "pll-video1",
 149                                                "osc24M", 0x030,
 150                                                192000000,  /* Minimum rate */
 151                                                1008000000, /* Maximum rate */
 152                                                8, 7,       /* N */
 153                                                0, 4,       /* M */
 154                                                BIT(24),    /* frac enable */
 155                                                BIT(25),    /* frac select */
 156                                                270000000,  /* frac rate 0 */
 157                                                297000000,  /* frac rate 1 */
 158                                                BIT(31),    /* gate */
 159                                                BIT(28),    /* lock */
 160                                                CLK_SET_RATE_UNGATE);
 161
 162static struct ccu_nkm pll_sata_clk = {
 163        .enable         = BIT(31),
 164        .lock           = BIT(28),
 165        .n              = _SUNXI_CCU_MULT(8, 5),
 166        .k              = _SUNXI_CCU_MULT(4, 2),
 167        .m              = _SUNXI_CCU_DIV(0, 2),
 168        .fixed_post_div = 6,
 169        .common         = {
 170                .reg            = 0x034,
 171                .features       = CCU_FEATURE_FIXED_POSTDIV,
 172                .hw.init        = CLK_HW_INIT("pll-sata", "osc24M",
 173                                              &ccu_nkm_ops,
 174                                              CLK_SET_RATE_UNGATE),
 175        },
 176};
 177
 178static const char * const pll_sata_out_parents[] = { "pll-sata",
 179                                                     "pll-periph0-sata" };
 180static SUNXI_CCU_MUX_WITH_GATE(pll_sata_out_clk, "pll-sata-out",
 181                               pll_sata_out_parents, 0x034,
 182                               30, 1,   /* mux */
 183                               BIT(14), /* gate */
 184                               CLK_SET_RATE_PARENT);
 185
 186/* TODO: The result of N/M is required to be in [8, 25] range. */
 187static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
 188                                        "osc24M", 0x038,
 189                                        8, 7,           /* N */
 190                                        0, 4,           /* M */
 191                                        BIT(24),        /* frac enable */
 192                                        BIT(25),        /* frac select */
 193                                        270000000,      /* frac rate 0 */
 194                                        297000000,      /* frac rate 1 */
 195                                        BIT(31),        /* gate */
 196                                        BIT(28),        /* lock */
 197                                        CLK_SET_RATE_UNGATE);
 198
 199/*
 200 * The MIPI PLL has 2 modes: "MIPI" and "HDMI".
 201 *
 202 * The MIPI mode is a standard NKM-style clock. The HDMI mode is an
 203 * integer / fractional clock with switchable multipliers and dividers.
 204 * This is not supported here. We hardcode the PLL to MIPI mode.
 205 *
 206 * TODO: In the MIPI mode, M/N is required to be equal or lesser than 3,
 207 * which cannot be implemented now.
 208 */
 209#define SUN8I_R40_PLL_MIPI_REG  0x040
 210
 211static const char * const pll_mipi_parents[] = { "pll-video0" };
 212static struct ccu_nkm pll_mipi_clk = {
 213        .enable = BIT(31) | BIT(23) | BIT(22),
 214        .lock   = BIT(28),
 215        .n      = _SUNXI_CCU_MULT(8, 4),
 216        .k      = _SUNXI_CCU_MULT_MIN(4, 2, 2),
 217        .m      = _SUNXI_CCU_DIV(0, 4),
 218        .mux    = _SUNXI_CCU_MUX(21, 1),
 219        .common = {
 220                .reg            = 0x040,
 221                .hw.init        = CLK_HW_INIT_PARENTS("pll-mipi",
 222                                                      pll_mipi_parents,
 223                                                      &ccu_nkm_ops,
 224                                                      CLK_SET_RATE_UNGATE)
 225        },
 226};
 227
 228/* TODO: The result of N/M is required to be in [8, 25] range. */
 229static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
 230                                        "osc24M", 0x048,
 231                                        8, 7,           /* N */
 232                                        0, 4,           /* M */
 233                                        BIT(24),        /* frac enable */
 234                                        BIT(25),        /* frac select */
 235                                        270000000,      /* frac rate 0 */
 236                                        297000000,      /* frac rate 1 */
 237                                        BIT(31),        /* gate */
 238                                        BIT(28),        /* lock */
 239                                        CLK_SET_RATE_UNGATE);
 240
 241/* TODO: The N factor is required to be in [16, 75] range. */
 242static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_ddr1_clk, "pll-ddr1",
 243                                   "osc24M", 0x04c,
 244                                   8, 7,        /* N */
 245                                   0, 2,        /* M */
 246                                   BIT(31),     /* gate */
 247                                   BIT(28),     /* lock */
 248                                   CLK_SET_RATE_UNGATE);
 249
 250static const char * const cpu_parents[] = { "osc32k", "osc24M",
 251                                             "pll-cpu", "pll-cpu" };
 252static SUNXI_CCU_MUX(cpu_clk, "cpu", cpu_parents,
 253                     0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT);
 254
 255static SUNXI_CCU_M(axi_clk, "axi", "cpu", 0x050, 0, 2, 0);
 256
 257static const char * const ahb1_parents[] = { "osc32k", "osc24M",
 258                                             "axi", "pll-periph0" };
 259static const struct ccu_mux_var_prediv ahb1_predivs[] = {
 260        { .index = 3, .shift = 6, .width = 2 },
 261};
 262static struct ccu_div ahb1_clk = {
 263        .div            = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
 264
 265        .mux            = {
 266                .shift  = 12,
 267                .width  = 2,
 268
 269                .var_predivs    = ahb1_predivs,
 270                .n_var_predivs  = ARRAY_SIZE(ahb1_predivs),
 271        },
 272
 273        .common         = {
 274                .reg            = 0x054,
 275                .features       = CCU_FEATURE_VARIABLE_PREDIV,
 276                .hw.init        = CLK_HW_INIT_PARENTS("ahb1",
 277                                                      ahb1_parents,
 278                                                      &ccu_div_ops,
 279                                                      0),
 280        },
 281};
 282
 283static struct clk_div_table apb1_div_table[] = {
 284        { .val = 0, .div = 2 },
 285        { .val = 1, .div = 2 },
 286        { .val = 2, .div = 4 },
 287        { .val = 3, .div = 8 },
 288        { /* Sentinel */ },
 289};
 290static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
 291                           0x054, 8, 2, apb1_div_table, 0);
 292
 293static const char * const apb2_parents[] = { "osc32k", "osc24M",
 294                                             "pll-periph0-2x",
 295                                             "pll-periph0-2x" };
 296static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
 297                             0, 5,      /* M */
 298                             16, 2,     /* P */
 299                             24, 2,     /* mux */
 300                             0);
 301
 302static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1",
 303                      0x060, BIT(1), 0);
 304static SUNXI_CCU_GATE(bus_ce_clk,       "bus-ce",       "ahb1",
 305                      0x060, BIT(5), 0);
 306static SUNXI_CCU_GATE(bus_dma_clk,      "bus-dma",      "ahb1",
 307                      0x060, BIT(6), 0);
 308static SUNXI_CCU_GATE(bus_mmc0_clk,     "bus-mmc0",     "ahb1",
 309                      0x060, BIT(8), 0);
 310static SUNXI_CCU_GATE(bus_mmc1_clk,     "bus-mmc1",     "ahb1",
 311                      0x060, BIT(9), 0);
 312static SUNXI_CCU_GATE(bus_mmc2_clk,     "bus-mmc2",     "ahb1",
 313                      0x060, BIT(10), 0);
 314static SUNXI_CCU_GATE(bus_mmc3_clk,     "bus-mmc3",     "ahb1",
 315                      0x060, BIT(11), 0);
 316static SUNXI_CCU_GATE(bus_nand_clk,     "bus-nand",     "ahb1",
 317                      0x060, BIT(13), 0);
 318static SUNXI_CCU_GATE(bus_dram_clk,     "bus-dram",     "ahb1",
 319                      0x060, BIT(14), 0);
 320static SUNXI_CCU_GATE(bus_emac_clk,     "bus-emac",     "ahb1",
 321                      0x060, BIT(17), 0);
 322static SUNXI_CCU_GATE(bus_ts_clk,       "bus-ts",       "ahb1",
 323                      0x060, BIT(18), 0);
 324static SUNXI_CCU_GATE(bus_hstimer_clk,  "bus-hstimer",  "ahb1",
 325                      0x060, BIT(19), 0);
 326static SUNXI_CCU_GATE(bus_spi0_clk,     "bus-spi0",     "ahb1",
 327                      0x060, BIT(20), 0);
 328static SUNXI_CCU_GATE(bus_spi1_clk,     "bus-spi1",     "ahb1",
 329                      0x060, BIT(21), 0);
 330static SUNXI_CCU_GATE(bus_spi2_clk,     "bus-spi2",     "ahb1",
 331                      0x060, BIT(22), 0);
 332static SUNXI_CCU_GATE(bus_spi3_clk,     "bus-spi3",     "ahb1",
 333                      0x060, BIT(23), 0);
 334static SUNXI_CCU_GATE(bus_sata_clk,     "bus-sata",     "ahb1",
 335                      0x060, BIT(24), 0);
 336static SUNXI_CCU_GATE(bus_otg_clk,      "bus-otg",      "ahb1",
 337                      0x060, BIT(25), 0);
 338static SUNXI_CCU_GATE(bus_ehci0_clk,    "bus-ehci0",    "ahb1",
 339                      0x060, BIT(26), 0);
 340static SUNXI_CCU_GATE(bus_ehci1_clk,    "bus-ehci1",    "ahb1",
 341                      0x060, BIT(27), 0);
 342static SUNXI_CCU_GATE(bus_ehci2_clk,    "bus-ehci2",    "ahb1",
 343                      0x060, BIT(28), 0);
 344static SUNXI_CCU_GATE(bus_ohci0_clk,    "bus-ohci0",    "ahb1",
 345                      0x060, BIT(29), 0);
 346static SUNXI_CCU_GATE(bus_ohci1_clk,    "bus-ohci1",    "ahb1",
 347                      0x060, BIT(30), 0);
 348static SUNXI_CCU_GATE(bus_ohci2_clk,    "bus-ohci2",    "ahb1",
 349                      0x060, BIT(31), 0);
 350
 351static SUNXI_CCU_GATE(bus_ve_clk,       "bus-ve",       "ahb1",
 352                      0x064, BIT(0), 0);
 353static SUNXI_CCU_GATE(bus_mp_clk,       "bus-mp",       "ahb1",
 354                      0x064, BIT(2), 0);
 355static SUNXI_CCU_GATE(bus_deinterlace_clk,      "bus-deinterlace",      "ahb1",
 356                      0x064, BIT(5), 0);
 357static SUNXI_CCU_GATE(bus_csi0_clk,     "bus-csi0",     "ahb1",
 358                      0x064, BIT(8), 0);
 359static SUNXI_CCU_GATE(bus_csi1_clk,     "bus-csi1",     "ahb1",
 360                      0x064, BIT(9), 0);
 361static SUNXI_CCU_GATE(bus_hdmi0_clk,    "bus-hdmi0",    "ahb1",
 362                      0x064, BIT(10), 0);
 363static SUNXI_CCU_GATE(bus_hdmi1_clk,    "bus-hdmi1",    "ahb1",
 364                      0x064, BIT(11), 0);
 365static SUNXI_CCU_GATE(bus_de_clk,       "bus-de",       "ahb1",
 366                      0x064, BIT(12), 0);
 367static SUNXI_CCU_GATE(bus_tve0_clk,     "bus-tve0",     "ahb1",
 368                      0x064, BIT(13), 0);
 369static SUNXI_CCU_GATE(bus_tve1_clk,     "bus-tve1",     "ahb1",
 370                      0x064, BIT(14), 0);
 371static SUNXI_CCU_GATE(bus_tve_top_clk,  "bus-tve-top",  "ahb1",
 372                      0x064, BIT(15), 0);
 373static SUNXI_CCU_GATE(bus_gmac_clk,     "bus-gmac",     "ahb1",
 374                      0x064, BIT(17), 0);
 375static SUNXI_CCU_GATE(bus_gpu_clk,      "bus-gpu",      "ahb1",
 376                      0x064, BIT(20), 0);
 377static SUNXI_CCU_GATE(bus_tvd0_clk,     "bus-tvd0",     "ahb1",
 378                      0x064, BIT(21), 0);
 379static SUNXI_CCU_GATE(bus_tvd1_clk,     "bus-tvd1",     "ahb1",
 380                      0x064, BIT(22), 0);
 381static SUNXI_CCU_GATE(bus_tvd2_clk,     "bus-tvd2",     "ahb1",
 382                      0x064, BIT(23), 0);
 383static SUNXI_CCU_GATE(bus_tvd3_clk,     "bus-tvd3",     "ahb1",
 384                      0x064, BIT(24), 0);
 385static SUNXI_CCU_GATE(bus_tvd_top_clk,  "bus-tvd-top",  "ahb1",
 386                      0x064, BIT(25), 0);
 387static SUNXI_CCU_GATE(bus_tcon_lcd0_clk,        "bus-tcon-lcd0",        "ahb1",
 388                      0x064, BIT(26), 0);
 389static SUNXI_CCU_GATE(bus_tcon_lcd1_clk,        "bus-tcon-lcd1",        "ahb1",
 390                      0x064, BIT(27), 0);
 391static SUNXI_CCU_GATE(bus_tcon_tv0_clk, "bus-tcon-tv0", "ahb1",
 392                      0x064, BIT(28), 0);
 393static SUNXI_CCU_GATE(bus_tcon_tv1_clk, "bus-tcon-tv1", "ahb1",
 394                      0x064, BIT(29), 0);
 395static SUNXI_CCU_GATE(bus_tcon_top_clk, "bus-tcon-top", "ahb1",
 396                      0x064, BIT(30), 0);
 397
 398static SUNXI_CCU_GATE(bus_codec_clk,    "bus-codec",    "apb1",
 399                      0x068, BIT(0), 0);
 400static SUNXI_CCU_GATE(bus_spdif_clk,    "bus-spdif",    "apb1",
 401                      0x068, BIT(1), 0);
 402static SUNXI_CCU_GATE(bus_ac97_clk,     "bus-ac97",     "apb1",
 403                      0x068, BIT(2), 0);
 404static SUNXI_CCU_GATE(bus_pio_clk,      "bus-pio",      "apb1",
 405                      0x068, BIT(5), 0);
 406static SUNXI_CCU_GATE(bus_ir0_clk,      "bus-ir0",      "apb1",
 407                      0x068, BIT(6), 0);
 408static SUNXI_CCU_GATE(bus_ir1_clk,      "bus-ir1",      "apb1",
 409                      0x068, BIT(7), 0);
 410static SUNXI_CCU_GATE(bus_ths_clk,      "bus-ths",      "apb1",
 411                      0x068, BIT(8), 0);
 412static SUNXI_CCU_GATE(bus_keypad_clk,   "bus-keypad",   "apb1",
 413                      0x068, BIT(10), 0);
 414static SUNXI_CCU_GATE(bus_i2s0_clk,     "bus-i2s0",     "apb1",
 415                      0x068, BIT(12), 0);
 416static SUNXI_CCU_GATE(bus_i2s1_clk,     "bus-i2s1",     "apb1",
 417                      0x068, BIT(13), 0);
 418static SUNXI_CCU_GATE(bus_i2s2_clk,     "bus-i2s2",     "apb1",
 419                      0x068, BIT(14), 0);
 420
 421static SUNXI_CCU_GATE(bus_i2c0_clk,     "bus-i2c0",     "apb2",
 422                      0x06c, BIT(0), 0);
 423static SUNXI_CCU_GATE(bus_i2c1_clk,     "bus-i2c1",     "apb2",
 424                      0x06c, BIT(1), 0);
 425static SUNXI_CCU_GATE(bus_i2c2_clk,     "bus-i2c2",     "apb2",
 426                      0x06c, BIT(2), 0);
 427static SUNXI_CCU_GATE(bus_i2c3_clk,     "bus-i2c3",     "apb2",
 428                      0x06c, BIT(3), 0);
 429/*
 430 * In datasheet here's "Reserved", however the gate exists in BSP soucre
 431 * code.
 432 */
 433static SUNXI_CCU_GATE(bus_can_clk,      "bus-can",      "apb2",
 434                      0x06c, BIT(4), 0);
 435static SUNXI_CCU_GATE(bus_scr_clk,      "bus-scr",      "apb2",
 436                      0x06c, BIT(5), 0);
 437static SUNXI_CCU_GATE(bus_ps20_clk,     "bus-ps20",     "apb2",
 438                      0x06c, BIT(6), 0);
 439static SUNXI_CCU_GATE(bus_ps21_clk,     "bus-ps21",     "apb2",
 440                      0x06c, BIT(7), 0);
 441static SUNXI_CCU_GATE(bus_i2c4_clk,     "bus-i2c4",     "apb2",
 442                      0x06c, BIT(15), 0);
 443static SUNXI_CCU_GATE(bus_uart0_clk,    "bus-uart0",    "apb2",
 444                      0x06c, BIT(16), 0);
 445static SUNXI_CCU_GATE(bus_uart1_clk,    "bus-uart1",    "apb2",
 446                      0x06c, BIT(17), 0);
 447static SUNXI_CCU_GATE(bus_uart2_clk,    "bus-uart2",    "apb2",
 448                      0x06c, BIT(18), 0);
 449static SUNXI_CCU_GATE(bus_uart3_clk,    "bus-uart3",    "apb2",
 450                      0x06c, BIT(19), 0);
 451static SUNXI_CCU_GATE(bus_uart4_clk,    "bus-uart4",    "apb2",
 452                      0x06c, BIT(20), 0);
 453static SUNXI_CCU_GATE(bus_uart5_clk,    "bus-uart5",    "apb2",
 454                      0x06c, BIT(21), 0);
 455static SUNXI_CCU_GATE(bus_uart6_clk,    "bus-uart6",    "apb2",
 456                      0x06c, BIT(22), 0);
 457static SUNXI_CCU_GATE(bus_uart7_clk,    "bus-uart7",    "apb2",
 458                      0x06c, BIT(23), 0);
 459
 460static SUNXI_CCU_GATE(bus_dbg_clk,      "bus-dbg",      "ahb1",
 461                      0x070, BIT(7), 0);
 462
 463static const char * const ths_parents[] = { "osc24M" };
 464static struct ccu_div ths_clk = {
 465        .enable = BIT(31),
 466        .div    = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
 467        .mux    = _SUNXI_CCU_MUX(24, 2),
 468        .common = {
 469                .reg            = 0x074,
 470                .hw.init        = CLK_HW_INIT_PARENTS("ths",
 471                                                      ths_parents,
 472                                                      &ccu_div_ops,
 473                                                      0),
 474        },
 475};
 476
 477static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0",
 478                                                     "pll-periph1" };
 479static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
 480                                  0, 4,         /* M */
 481                                  16, 2,        /* P */
 482                                  24, 2,        /* mux */
 483                                  BIT(31),      /* gate */
 484                                  0);
 485
 486static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
 487                                  0, 4,         /* M */
 488                                  16, 2,        /* P */
 489                                  24, 2,        /* mux */
 490                                  BIT(31),      /* gate */
 491                                  0);
 492
 493static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
 494                                  0, 4,         /* M */
 495                                  16, 2,        /* P */
 496                                  24, 2,        /* mux */
 497                                  BIT(31),      /* gate */
 498                                  0);
 499
 500static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090,
 501                                  0, 4,         /* M */
 502                                  16, 2,        /* P */
 503                                  24, 2,        /* mux */
 504                                  BIT(31),      /* gate */
 505                                  0);
 506
 507static SUNXI_CCU_MP_WITH_MUX_GATE(mmc3_clk, "mmc3", mod0_default_parents, 0x094,
 508                                  0, 4,         /* M */
 509                                  16, 2,        /* P */
 510                                  24, 2,        /* mux */
 511                                  BIT(31),      /* gate */
 512                                  0);
 513
 514static const char * const ts_parents[] = { "osc24M", "pll-periph0", };
 515static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x098,
 516                                  0, 4,         /* M */
 517                                  16, 2,        /* P */
 518                                  24, 4,        /* mux */
 519                                  BIT(31),      /* gate */
 520                                  0);
 521
 522static const char * const ce_parents[] = { "osc24M", "pll-periph0-2x",
 523                                           "pll-periph1-2x" };
 524static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", ce_parents, 0x09c,
 525                                  0, 4,         /* M */
 526                                  16, 2,        /* P */
 527                                  24, 2,        /* mux */
 528                                  BIT(31),      /* gate */
 529                                  0);
 530
 531static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
 532                                  0, 4,         /* M */
 533                                  16, 2,        /* P */
 534                                  24, 2,        /* mux */
 535                                  BIT(31),      /* gate */
 536                                  0);
 537
 538static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
 539                                  0, 4,         /* M */
 540                                  16, 2,        /* P */
 541                                  24, 2,        /* mux */
 542                                  BIT(31),      /* gate */
 543                                  0);
 544
 545static SUNXI_CCU_MP_WITH_MUX_GATE(spi2_clk, "spi2", mod0_default_parents, 0x0a8,
 546                                  0, 4,         /* M */
 547                                  16, 2,        /* P */
 548                                  24, 2,        /* mux */
 549                                  BIT(31),      /* gate */
 550                                  0);
 551
 552static SUNXI_CCU_MP_WITH_MUX_GATE(spi3_clk, "spi3", mod0_default_parents, 0x0ac,
 553                                  0, 4,         /* M */
 554                                  16, 2,        /* P */
 555                                  24, 2,        /* mux */
 556                                  BIT(31),      /* gate */
 557                                  0);
 558
 559static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
 560                                            "pll-audio-2x", "pll-audio" };
 561static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
 562                               0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 563
 564static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
 565                               0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 566
 567static SUNXI_CCU_MUX_WITH_GATE(i2s2_clk, "i2s2", i2s_parents,
 568                               0x0b8, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 569
 570static SUNXI_CCU_MUX_WITH_GATE(ac97_clk, "ac97", i2s_parents,
 571                               0x0bc, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 572
 573static SUNXI_CCU_MUX_WITH_GATE(spdif_clk, "spdif", i2s_parents,
 574                               0x0c0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 575
 576static const char * const keypad_parents[] = { "osc24M", "osc32k" };
 577static const u8 keypad_table[] = { 0, 2 };
 578static struct ccu_mp keypad_clk = {
 579        .enable = BIT(31),
 580        .m      = _SUNXI_CCU_DIV(0, 5),
 581        .p      = _SUNXI_CCU_DIV(16, 2),
 582        .mux    = _SUNXI_CCU_MUX_TABLE(24, 2, keypad_table),
 583        .common = {
 584                .reg            = 0x0c4,
 585                .hw.init        = CLK_HW_INIT_PARENTS("keypad",
 586                                                      keypad_parents,
 587                                                      &ccu_mp_ops,
 588                                                      0),
 589        }
 590};
 591
 592static const char * const sata_parents[] = { "pll-sata-out", "sata-ext" };
 593static SUNXI_CCU_MUX_WITH_GATE(sata_clk, "sata", sata_parents,
 594                               0x0c8, 24, 1, BIT(31), CLK_SET_RATE_PARENT);
 595
 596/*
 597 * There are 3 OHCI 12M clock source selection bits in this register.
 598 * We will force them to 0 (12M divided from 48M).
 599 */
 600#define SUN8I_R40_USB_CLK_REG   0x0cc
 601
 602static SUNXI_CCU_GATE(usb_phy0_clk,     "usb-phy0",     "osc24M",
 603                      0x0cc, BIT(8), 0);
 604static SUNXI_CCU_GATE(usb_phy1_clk,     "usb-phy1",     "osc24M",
 605                      0x0cc, BIT(9), 0);
 606static SUNXI_CCU_GATE(usb_phy2_clk,     "usb-phy2",     "osc24M",
 607                      0x0cc, BIT(10), 0);
 608static SUNXI_CCU_GATE(usb_ohci0_clk,    "usb-ohci0",    "osc12M",
 609                      0x0cc, BIT(16), 0);
 610static SUNXI_CCU_GATE(usb_ohci1_clk,    "usb-ohci1",    "osc12M",
 611                      0x0cc, BIT(17), 0);
 612static SUNXI_CCU_GATE(usb_ohci2_clk,    "usb-ohci2",    "osc12M",
 613                      0x0cc, BIT(18), 0);
 614
 615static const char * const ir_parents[] = { "osc24M", "pll-periph0",
 616                                           "pll-periph1", "osc32k" };
 617static SUNXI_CCU_MP_WITH_MUX_GATE(ir0_clk, "ir0", ir_parents, 0x0d0,
 618                                  0, 4,         /* M */
 619                                  16, 2,        /* P */
 620                                  24, 2,        /* mux */
 621                                  BIT(31),      /* gate */
 622                                  0);
 623
 624static SUNXI_CCU_MP_WITH_MUX_GATE(ir1_clk, "ir1", ir_parents, 0x0d4,
 625                                  0, 4,         /* M */
 626                                  16, 2,        /* P */
 627                                  24, 2,        /* mux */
 628                                  BIT(31),      /* gate */
 629                                  0);
 630
 631static const char * const dram_parents[] = { "pll-ddr0", "pll-ddr1" };
 632static SUNXI_CCU_M_WITH_MUX(dram_clk, "dram", dram_parents,
 633                            0x0f4, 0, 2, 20, 2, CLK_IS_CRITICAL);
 634
 635static SUNXI_CCU_GATE(dram_ve_clk,      "dram-ve",      "dram",
 636                      0x100, BIT(0), 0);
 637static SUNXI_CCU_GATE(dram_csi0_clk,    "dram-csi0",    "dram",
 638                      0x100, BIT(1), 0);
 639static SUNXI_CCU_GATE(dram_csi1_clk,    "dram-csi1",    "dram",
 640                      0x100, BIT(2), 0);
 641static SUNXI_CCU_GATE(dram_ts_clk,      "dram-ts",      "dram",
 642                      0x100, BIT(3), 0);
 643static SUNXI_CCU_GATE(dram_tvd_clk,     "dram-tvd",     "dram",
 644                      0x100, BIT(4), 0);
 645static SUNXI_CCU_GATE(dram_mp_clk,      "dram-mp",      "dram",
 646                      0x100, BIT(5), 0);
 647static SUNXI_CCU_GATE(dram_deinterlace_clk,     "dram-deinterlace",     "dram",
 648                      0x100, BIT(6), 0);
 649
 650static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" };
 651static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
 652                                 0x104, 0, 4, 24, 3, BIT(31),
 653                                 CLK_SET_RATE_PARENT);
 654static SUNXI_CCU_M_WITH_MUX_GATE(mp_clk, "mp", de_parents,
 655                                 0x108, 0, 4, 24, 3, BIT(31), 0);
 656
 657static const char * const tcon_parents[] = { "pll-video0", "pll-video1",
 658                                             "pll-video0-2x", "pll-video1-2x",
 659                                             "pll-mipi" };
 660static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd0_clk, "tcon-lcd0", tcon_parents,
 661                               0x110, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
 662static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd1_clk, "tcon-lcd1", tcon_parents,
 663                               0x114, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
 664static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv0_clk, "tcon-tv0", tcon_parents,
 665                                 0x118, 0, 4, 24, 3, BIT(31),
 666                                 CLK_SET_RATE_PARENT);
 667static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv1_clk, "tcon-tv1", tcon_parents,
 668                                 0x11c, 0, 4, 24, 3, BIT(31),
 669                                 CLK_SET_RATE_PARENT);
 670
 671static const char * const deinterlace_parents[] = { "pll-periph0",
 672                                                    "pll-periph1" };
 673static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace",
 674                                 deinterlace_parents, 0x124, 0, 4, 24, 3,
 675                                 BIT(31), 0);
 676
 677static const char * const csi_mclk_parents[] = { "osc24M", "pll-video1",
 678                                                 "pll-periph1" };
 679static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi1-mclk", csi_mclk_parents,
 680                                 0x130, 0, 5, 8, 3, BIT(15), 0);
 681
 682static const char * const csi_sclk_parents[] = { "pll-periph0", "pll-periph1" };
 683static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents,
 684                                 0x134, 16, 4, 24, 3, BIT(31), 0);
 685
 686static SUNXI_CCU_M_WITH_MUX_GATE(csi0_mclk_clk, "csi0-mclk", csi_mclk_parents,
 687                                 0x134, 0, 5, 8, 3, BIT(15), 0);
 688
 689static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
 690                             0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT);
 691
 692static SUNXI_CCU_GATE(codec_clk,        "codec",        "pll-audio",
 693                      0x140, BIT(31), CLK_SET_RATE_PARENT);
 694static SUNXI_CCU_GATE(avs_clk,          "avs",          "osc24M",
 695                      0x144, BIT(31), 0);
 696
 697static const char * const hdmi_parents[] = { "pll-video0", "pll-video1" };
 698static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
 699                                 0x150, 0, 4, 24, 2, BIT(31),
 700                                 CLK_SET_RATE_PARENT);
 701
 702static SUNXI_CCU_GATE(hdmi_slow_clk,    "hdmi-slow",    "osc24M",
 703                      0x154, BIT(31), 0);
 704
 705/*
 706 * In the SoC's user manual, the P factor is mentioned, but not used in
 707 * the frequency formula.
 708 *
 709 * Here the factor is included, according to the BSP kernel source,
 710 * which contains the P factor of this clock.
 711 */
 712static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x",
 713                                             "pll-ddr0" };
 714static SUNXI_CCU_MP_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 0x15c,
 715                                  0, 4,         /* M */
 716                                  16, 2,        /* P */
 717                                  24, 2,        /* mux */
 718                                  BIT(31),      /* gate */
 719                                  CLK_IS_CRITICAL);
 720
 721static const char * const dsi_dphy_parents[] = { "pll-video0", "pll-video1",
 722                                                 "pll-periph0" };
 723static SUNXI_CCU_M_WITH_MUX_GATE(dsi_dphy_clk, "dsi-dphy", dsi_dphy_parents,
 724                                 0x168, 0, 4, 8, 2, BIT(15), 0);
 725
 726static SUNXI_CCU_M_WITH_MUX_GATE(tve0_clk, "tve0", tcon_parents,
 727                                 0x180, 0, 4, 24, 3, BIT(31), 0);
 728static SUNXI_CCU_M_WITH_MUX_GATE(tve1_clk, "tve1", tcon_parents,
 729                                 0x184, 0, 4, 24, 3, BIT(31), 0);
 730
 731static const char * const tvd_parents[] = { "pll-video0", "pll-video1",
 732                                            "pll-video0-2x", "pll-video1-2x" };
 733static SUNXI_CCU_M_WITH_MUX_GATE(tvd0_clk, "tvd0", tvd_parents,
 734                                 0x188, 0, 4, 24, 3, BIT(31), 0);
 735static SUNXI_CCU_M_WITH_MUX_GATE(tvd1_clk, "tvd1", tvd_parents,
 736                                 0x18c, 0, 4, 24, 3, BIT(31), 0);
 737static SUNXI_CCU_M_WITH_MUX_GATE(tvd2_clk, "tvd2", tvd_parents,
 738                                 0x190, 0, 4, 24, 3, BIT(31), 0);
 739static SUNXI_CCU_M_WITH_MUX_GATE(tvd3_clk, "tvd3", tvd_parents,
 740                                 0x194, 0, 4, 24, 3, BIT(31), 0);
 741
 742static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
 743                             0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT);
 744
 745static const char * const out_parents[] = { "osc24M", "osc32k", "osc24M" };
 746static const struct ccu_mux_fixed_prediv out_predivs[] = {
 747        { .index = 0, .div = 750, },
 748};
 749
 750static struct ccu_mp outa_clk = {
 751        .enable = BIT(31),
 752        .m      = _SUNXI_CCU_DIV(8, 5),
 753        .p      = _SUNXI_CCU_DIV(20, 2),
 754        .mux    = {
 755                .shift          = 24,
 756                .width          = 2,
 757                .fixed_predivs  = out_predivs,
 758                .n_predivs      = ARRAY_SIZE(out_predivs),
 759        },
 760        .common = {
 761                .reg            = 0x1f0,
 762                .features       = CCU_FEATURE_FIXED_PREDIV,
 763                .hw.init        = CLK_HW_INIT_PARENTS("outa", out_parents,
 764                                                      &ccu_mp_ops, 0),
 765        }
 766};
 767
 768static struct ccu_mp outb_clk = {
 769        .enable = BIT(31),
 770        .m      = _SUNXI_CCU_DIV(8, 5),
 771        .p      = _SUNXI_CCU_DIV(20, 2),
 772        .mux    = {
 773                .shift          = 24,
 774                .width          = 2,
 775                .fixed_predivs  = out_predivs,
 776                .n_predivs      = ARRAY_SIZE(out_predivs),
 777        },
 778        .common = {
 779                .reg            = 0x1f4,
 780                .features       = CCU_FEATURE_FIXED_PREDIV,
 781                .hw.init        = CLK_HW_INIT_PARENTS("outb", out_parents,
 782                                                      &ccu_mp_ops, 0),
 783        }
 784};
 785
 786static struct ccu_common *sun8i_r40_ccu_clks[] = {
 787        &pll_cpu_clk.common,
 788        &pll_audio_base_clk.common,
 789        &pll_video0_clk.common,
 790        &pll_ve_clk.common,
 791        &pll_ddr0_clk.common,
 792        &pll_periph0_clk.common,
 793        &pll_periph0_sata_clk.common,
 794        &pll_periph1_clk.common,
 795        &pll_video1_clk.common,
 796        &pll_sata_clk.common,
 797        &pll_sata_out_clk.common,
 798        &pll_gpu_clk.common,
 799        &pll_mipi_clk.common,
 800        &pll_de_clk.common,
 801        &pll_ddr1_clk.common,
 802        &cpu_clk.common,
 803        &axi_clk.common,
 804        &ahb1_clk.common,
 805        &apb1_clk.common,
 806        &apb2_clk.common,
 807        &bus_mipi_dsi_clk.common,
 808        &bus_ce_clk.common,
 809        &bus_dma_clk.common,
 810        &bus_mmc0_clk.common,
 811        &bus_mmc1_clk.common,
 812        &bus_mmc2_clk.common,
 813        &bus_mmc3_clk.common,
 814        &bus_nand_clk.common,
 815        &bus_dram_clk.common,
 816        &bus_emac_clk.common,
 817        &bus_ts_clk.common,
 818        &bus_hstimer_clk.common,
 819        &bus_spi0_clk.common,
 820        &bus_spi1_clk.common,
 821        &bus_spi2_clk.common,
 822        &bus_spi3_clk.common,
 823        &bus_sata_clk.common,
 824        &bus_otg_clk.common,
 825        &bus_ehci0_clk.common,
 826        &bus_ehci1_clk.common,
 827        &bus_ehci2_clk.common,
 828        &bus_ohci0_clk.common,
 829        &bus_ohci1_clk.common,
 830        &bus_ohci2_clk.common,
 831        &bus_ve_clk.common,
 832        &bus_mp_clk.common,
 833        &bus_deinterlace_clk.common,
 834        &bus_csi0_clk.common,
 835        &bus_csi1_clk.common,
 836        &bus_hdmi0_clk.common,
 837        &bus_hdmi1_clk.common,
 838        &bus_de_clk.common,
 839        &bus_tve0_clk.common,
 840        &bus_tve1_clk.common,
 841        &bus_tve_top_clk.common,
 842        &bus_gmac_clk.common,
 843        &bus_gpu_clk.common,
 844        &bus_tvd0_clk.common,
 845        &bus_tvd1_clk.common,
 846        &bus_tvd2_clk.common,
 847        &bus_tvd3_clk.common,
 848        &bus_tvd_top_clk.common,
 849        &bus_tcon_lcd0_clk.common,
 850        &bus_tcon_lcd1_clk.common,
 851        &bus_tcon_tv0_clk.common,
 852        &bus_tcon_tv1_clk.common,
 853        &bus_tcon_top_clk.common,
 854        &bus_codec_clk.common,
 855        &bus_spdif_clk.common,
 856        &bus_ac97_clk.common,
 857        &bus_pio_clk.common,
 858        &bus_ir0_clk.common,
 859        &bus_ir1_clk.common,
 860        &bus_ths_clk.common,
 861        &bus_keypad_clk.common,
 862        &bus_i2s0_clk.common,
 863        &bus_i2s1_clk.common,
 864        &bus_i2s2_clk.common,
 865        &bus_i2c0_clk.common,
 866        &bus_i2c1_clk.common,
 867        &bus_i2c2_clk.common,
 868        &bus_i2c3_clk.common,
 869        &bus_can_clk.common,
 870        &bus_scr_clk.common,
 871        &bus_ps20_clk.common,
 872        &bus_ps21_clk.common,
 873        &bus_i2c4_clk.common,
 874        &bus_uart0_clk.common,
 875        &bus_uart1_clk.common,
 876        &bus_uart2_clk.common,
 877        &bus_uart3_clk.common,
 878        &bus_uart4_clk.common,
 879        &bus_uart5_clk.common,
 880        &bus_uart6_clk.common,
 881        &bus_uart7_clk.common,
 882        &bus_dbg_clk.common,
 883        &ths_clk.common,
 884        &nand_clk.common,
 885        &mmc0_clk.common,
 886        &mmc1_clk.common,
 887        &mmc2_clk.common,
 888        &mmc3_clk.common,
 889        &ts_clk.common,
 890        &ce_clk.common,
 891        &spi0_clk.common,
 892        &spi1_clk.common,
 893        &spi2_clk.common,
 894        &spi3_clk.common,
 895        &i2s0_clk.common,
 896        &i2s1_clk.common,
 897        &i2s2_clk.common,
 898        &ac97_clk.common,
 899        &spdif_clk.common,
 900        &keypad_clk.common,
 901        &sata_clk.common,
 902        &usb_phy0_clk.common,
 903        &usb_phy1_clk.common,
 904        &usb_phy2_clk.common,
 905        &usb_ohci0_clk.common,
 906        &usb_ohci1_clk.common,
 907        &usb_ohci2_clk.common,
 908        &ir0_clk.common,
 909        &ir1_clk.common,
 910        &dram_clk.common,
 911        &dram_ve_clk.common,
 912        &dram_csi0_clk.common,
 913        &dram_csi1_clk.common,
 914        &dram_ts_clk.common,
 915        &dram_tvd_clk.common,
 916        &dram_mp_clk.common,
 917        &dram_deinterlace_clk.common,
 918        &de_clk.common,
 919        &mp_clk.common,
 920        &tcon_lcd0_clk.common,
 921        &tcon_lcd1_clk.common,
 922        &tcon_tv0_clk.common,
 923        &tcon_tv1_clk.common,
 924        &deinterlace_clk.common,
 925        &csi1_mclk_clk.common,
 926        &csi_sclk_clk.common,
 927        &csi0_mclk_clk.common,
 928        &ve_clk.common,
 929        &codec_clk.common,
 930        &avs_clk.common,
 931        &hdmi_clk.common,
 932        &hdmi_slow_clk.common,
 933        &mbus_clk.common,
 934        &dsi_dphy_clk.common,
 935        &tve0_clk.common,
 936        &tve1_clk.common,
 937        &tvd0_clk.common,
 938        &tvd1_clk.common,
 939        &tvd2_clk.common,
 940        &tvd3_clk.common,
 941        &gpu_clk.common,
 942        &outa_clk.common,
 943        &outb_clk.common,
 944};
 945
 946/* Fixed Factor clocks */
 947static CLK_FIXED_FACTOR_FW_NAME(osc12M_clk, "osc12M", "hosc", 2, 1, 0);
 948
 949static const struct clk_hw *clk_parent_pll_audio[] = {
 950        &pll_audio_base_clk.common.hw
 951};
 952
 953/* We hardcode the divider to 4 for now */
 954static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio",
 955                            clk_parent_pll_audio,
 956                            4, 1, CLK_SET_RATE_PARENT);
 957static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x",
 958                            clk_parent_pll_audio,
 959                            2, 1, CLK_SET_RATE_PARENT);
 960static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x",
 961                            clk_parent_pll_audio,
 962                            1, 1, CLK_SET_RATE_PARENT);
 963static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x",
 964                            clk_parent_pll_audio,
 965                            1, 2, CLK_SET_RATE_PARENT);
 966static CLK_FIXED_FACTOR_HW(pll_periph0_2x_clk, "pll-periph0-2x",
 967                           &pll_periph0_clk.common.hw,
 968                           1, 2, 0);
 969static CLK_FIXED_FACTOR_HW(pll_periph1_2x_clk, "pll-periph1-2x",
 970                           &pll_periph1_clk.common.hw,
 971                           1, 2, 0);
 972static CLK_FIXED_FACTOR_HW(pll_video0_2x_clk, "pll-video0-2x",
 973                           &pll_video0_clk.common.hw,
 974                           1, 2, 0);
 975static CLK_FIXED_FACTOR_HW(pll_video1_2x_clk, "pll-video1-2x",
 976                           &pll_video1_clk.common.hw,
 977                           1, 2, 0);
 978
 979static struct clk_hw_onecell_data sun8i_r40_hw_clks = {
 980        .hws    = {
 981                [CLK_OSC_12M]           = &osc12M_clk.hw,
 982                [CLK_PLL_CPU]           = &pll_cpu_clk.common.hw,
 983                [CLK_PLL_AUDIO_BASE]    = &pll_audio_base_clk.common.hw,
 984                [CLK_PLL_AUDIO]         = &pll_audio_clk.hw,
 985                [CLK_PLL_AUDIO_2X]      = &pll_audio_2x_clk.hw,
 986                [CLK_PLL_AUDIO_4X]      = &pll_audio_4x_clk.hw,
 987                [CLK_PLL_AUDIO_8X]      = &pll_audio_8x_clk.hw,
 988                [CLK_PLL_VIDEO0]        = &pll_video0_clk.common.hw,
 989                [CLK_PLL_VIDEO0_2X]     = &pll_video0_2x_clk.hw,
 990                [CLK_PLL_VE]            = &pll_ve_clk.common.hw,
 991                [CLK_PLL_DDR0]          = &pll_ddr0_clk.common.hw,
 992                [CLK_PLL_PERIPH0]       = &pll_periph0_clk.common.hw,
 993                [CLK_PLL_PERIPH0_SATA]  = &pll_periph0_sata_clk.common.hw,
 994                [CLK_PLL_PERIPH0_2X]    = &pll_periph0_2x_clk.hw,
 995                [CLK_PLL_PERIPH1]       = &pll_periph1_clk.common.hw,
 996                [CLK_PLL_PERIPH1_2X]    = &pll_periph1_2x_clk.hw,
 997                [CLK_PLL_VIDEO1]        = &pll_video1_clk.common.hw,
 998                [CLK_PLL_VIDEO1_2X]     = &pll_video1_2x_clk.hw,
 999                [CLK_PLL_SATA]          = &pll_sata_clk.common.hw,
1000                [CLK_PLL_SATA_OUT]      = &pll_sata_out_clk.common.hw,
1001                [CLK_PLL_GPU]           = &pll_gpu_clk.common.hw,
1002                [CLK_PLL_MIPI]          = &pll_mipi_clk.common.hw,
1003                [CLK_PLL_DE]            = &pll_de_clk.common.hw,
1004                [CLK_PLL_DDR1]          = &pll_ddr1_clk.common.hw,
1005                [CLK_CPU]               = &cpu_clk.common.hw,
1006                [CLK_AXI]               = &axi_clk.common.hw,
1007                [CLK_AHB1]              = &ahb1_clk.common.hw,
1008                [CLK_APB1]              = &apb1_clk.common.hw,
1009                [CLK_APB2]              = &apb2_clk.common.hw,
1010                [CLK_BUS_MIPI_DSI]      = &bus_mipi_dsi_clk.common.hw,
1011                [CLK_BUS_CE]            = &bus_ce_clk.common.hw,
1012                [CLK_BUS_DMA]           = &bus_dma_clk.common.hw,
1013                [CLK_BUS_MMC0]          = &bus_mmc0_clk.common.hw,
1014                [CLK_BUS_MMC1]          = &bus_mmc1_clk.common.hw,
1015                [CLK_BUS_MMC2]          = &bus_mmc2_clk.common.hw,
1016                [CLK_BUS_MMC3]          = &bus_mmc3_clk.common.hw,
1017                [CLK_BUS_NAND]          = &bus_nand_clk.common.hw,
1018                [CLK_BUS_DRAM]          = &bus_dram_clk.common.hw,
1019                [CLK_BUS_EMAC]          = &bus_emac_clk.common.hw,
1020                [CLK_BUS_TS]            = &bus_ts_clk.common.hw,
1021                [CLK_BUS_HSTIMER]       = &bus_hstimer_clk.common.hw,
1022                [CLK_BUS_SPI0]          = &bus_spi0_clk.common.hw,
1023                [CLK_BUS_SPI1]          = &bus_spi1_clk.common.hw,
1024                [CLK_BUS_SPI2]          = &bus_spi2_clk.common.hw,
1025                [CLK_BUS_SPI3]          = &bus_spi3_clk.common.hw,
1026                [CLK_BUS_SATA]          = &bus_sata_clk.common.hw,
1027                [CLK_BUS_OTG]           = &bus_otg_clk.common.hw,
1028                [CLK_BUS_EHCI0]         = &bus_ehci0_clk.common.hw,
1029                [CLK_BUS_EHCI1]         = &bus_ehci1_clk.common.hw,
1030                [CLK_BUS_EHCI2]         = &bus_ehci2_clk.common.hw,
1031                [CLK_BUS_OHCI0]         = &bus_ohci0_clk.common.hw,
1032                [CLK_BUS_OHCI1]         = &bus_ohci1_clk.common.hw,
1033                [CLK_BUS_OHCI2]         = &bus_ohci2_clk.common.hw,
1034                [CLK_BUS_VE]            = &bus_ve_clk.common.hw,
1035                [CLK_BUS_MP]            = &bus_mp_clk.common.hw,
1036                [CLK_BUS_DEINTERLACE]   = &bus_deinterlace_clk.common.hw,
1037                [CLK_BUS_CSI0]          = &bus_csi0_clk.common.hw,
1038                [CLK_BUS_CSI1]          = &bus_csi1_clk.common.hw,
1039                [CLK_BUS_HDMI0]         = &bus_hdmi0_clk.common.hw,
1040                [CLK_BUS_HDMI1]         = &bus_hdmi1_clk.common.hw,
1041                [CLK_BUS_DE]            = &bus_de_clk.common.hw,
1042                [CLK_BUS_TVE0]          = &bus_tve0_clk.common.hw,
1043                [CLK_BUS_TVE1]          = &bus_tve1_clk.common.hw,
1044                [CLK_BUS_TVE_TOP]       = &bus_tve_top_clk.common.hw,
1045                [CLK_BUS_GMAC]          = &bus_gmac_clk.common.hw,
1046                [CLK_BUS_GPU]           = &bus_gpu_clk.common.hw,
1047                [CLK_BUS_TVD0]          = &bus_tvd0_clk.common.hw,
1048                [CLK_BUS_TVD1]          = &bus_tvd1_clk.common.hw,
1049                [CLK_BUS_TVD2]          = &bus_tvd2_clk.common.hw,
1050                [CLK_BUS_TVD3]          = &bus_tvd3_clk.common.hw,
1051                [CLK_BUS_TVD_TOP]       = &bus_tvd_top_clk.common.hw,
1052                [CLK_BUS_TCON_LCD0]     = &bus_tcon_lcd0_clk.common.hw,
1053                [CLK_BUS_TCON_LCD1]     = &bus_tcon_lcd1_clk.common.hw,
1054                [CLK_BUS_TCON_TV0]      = &bus_tcon_tv0_clk.common.hw,
1055                [CLK_BUS_TCON_TV1]      = &bus_tcon_tv1_clk.common.hw,
1056                [CLK_BUS_TCON_TOP]      = &bus_tcon_top_clk.common.hw,
1057                [CLK_BUS_CODEC]         = &bus_codec_clk.common.hw,
1058                [CLK_BUS_SPDIF]         = &bus_spdif_clk.common.hw,
1059                [CLK_BUS_AC97]          = &bus_ac97_clk.common.hw,
1060                [CLK_BUS_PIO]           = &bus_pio_clk.common.hw,
1061                [CLK_BUS_IR0]           = &bus_ir0_clk.common.hw,
1062                [CLK_BUS_IR1]           = &bus_ir1_clk.common.hw,
1063                [CLK_BUS_THS]           = &bus_ths_clk.common.hw,
1064                [CLK_BUS_KEYPAD]        = &bus_keypad_clk.common.hw,
1065                [CLK_BUS_I2S0]          = &bus_i2s0_clk.common.hw,
1066                [CLK_BUS_I2S1]          = &bus_i2s1_clk.common.hw,
1067                [CLK_BUS_I2S2]          = &bus_i2s2_clk.common.hw,
1068                [CLK_BUS_I2C0]          = &bus_i2c0_clk.common.hw,
1069                [CLK_BUS_I2C1]          = &bus_i2c1_clk.common.hw,
1070                [CLK_BUS_I2C2]          = &bus_i2c2_clk.common.hw,
1071                [CLK_BUS_I2C3]          = &bus_i2c3_clk.common.hw,
1072                [CLK_BUS_CAN]           = &bus_can_clk.common.hw,
1073                [CLK_BUS_SCR]           = &bus_scr_clk.common.hw,
1074                [CLK_BUS_PS20]          = &bus_ps20_clk.common.hw,
1075                [CLK_BUS_PS21]          = &bus_ps21_clk.common.hw,
1076                [CLK_BUS_I2C4]          = &bus_i2c4_clk.common.hw,
1077                [CLK_BUS_UART0]         = &bus_uart0_clk.common.hw,
1078                [CLK_BUS_UART1]         = &bus_uart1_clk.common.hw,
1079                [CLK_BUS_UART2]         = &bus_uart2_clk.common.hw,
1080                [CLK_BUS_UART3]         = &bus_uart3_clk.common.hw,
1081                [CLK_BUS_UART4]         = &bus_uart4_clk.common.hw,
1082                [CLK_BUS_UART5]         = &bus_uart5_clk.common.hw,
1083                [CLK_BUS_UART6]         = &bus_uart6_clk.common.hw,
1084                [CLK_BUS_UART7]         = &bus_uart7_clk.common.hw,
1085                [CLK_BUS_DBG]           = &bus_dbg_clk.common.hw,
1086                [CLK_THS]               = &ths_clk.common.hw,
1087                [CLK_NAND]              = &nand_clk.common.hw,
1088                [CLK_MMC0]              = &mmc0_clk.common.hw,
1089                [CLK_MMC1]              = &mmc1_clk.common.hw,
1090                [CLK_MMC2]              = &mmc2_clk.common.hw,
1091                [CLK_MMC3]              = &mmc3_clk.common.hw,
1092                [CLK_TS]                = &ts_clk.common.hw,
1093                [CLK_CE]                = &ce_clk.common.hw,
1094                [CLK_SPI0]              = &spi0_clk.common.hw,
1095                [CLK_SPI1]              = &spi1_clk.common.hw,
1096                [CLK_SPI2]              = &spi2_clk.common.hw,
1097                [CLK_SPI3]              = &spi3_clk.common.hw,
1098                [CLK_I2S0]              = &i2s0_clk.common.hw,
1099                [CLK_I2S1]              = &i2s1_clk.common.hw,
1100                [CLK_I2S2]              = &i2s2_clk.common.hw,
1101                [CLK_AC97]              = &ac97_clk.common.hw,
1102                [CLK_SPDIF]             = &spdif_clk.common.hw,
1103                [CLK_KEYPAD]            = &keypad_clk.common.hw,
1104                [CLK_SATA]              = &sata_clk.common.hw,
1105                [CLK_USB_PHY0]          = &usb_phy0_clk.common.hw,
1106                [CLK_USB_PHY1]          = &usb_phy1_clk.common.hw,
1107                [CLK_USB_PHY2]          = &usb_phy2_clk.common.hw,
1108                [CLK_USB_OHCI0]         = &usb_ohci0_clk.common.hw,
1109                [CLK_USB_OHCI1]         = &usb_ohci1_clk.common.hw,
1110                [CLK_USB_OHCI2]         = &usb_ohci2_clk.common.hw,
1111                [CLK_IR0]               = &ir0_clk.common.hw,
1112                [CLK_IR1]               = &ir1_clk.common.hw,
1113                [CLK_DRAM]              = &dram_clk.common.hw,
1114                [CLK_DRAM_VE]           = &dram_ve_clk.common.hw,
1115                [CLK_DRAM_CSI0]         = &dram_csi0_clk.common.hw,
1116                [CLK_DRAM_CSI1]         = &dram_csi1_clk.common.hw,
1117                [CLK_DRAM_TS]           = &dram_ts_clk.common.hw,
1118                [CLK_DRAM_TVD]          = &dram_tvd_clk.common.hw,
1119                [CLK_DRAM_MP]           = &dram_mp_clk.common.hw,
1120                [CLK_DRAM_DEINTERLACE]  = &dram_deinterlace_clk.common.hw,
1121                [CLK_DE]                = &de_clk.common.hw,
1122                [CLK_MP]                = &mp_clk.common.hw,
1123                [CLK_TCON_LCD0]         = &tcon_lcd0_clk.common.hw,
1124                [CLK_TCON_LCD1]         = &tcon_lcd1_clk.common.hw,
1125                [CLK_TCON_TV0]          = &tcon_tv0_clk.common.hw,
1126                [CLK_TCON_TV1]          = &tcon_tv1_clk.common.hw,
1127                [CLK_DEINTERLACE]       = &deinterlace_clk.common.hw,
1128                [CLK_CSI1_MCLK]         = &csi1_mclk_clk.common.hw,
1129                [CLK_CSI_SCLK]          = &csi_sclk_clk.common.hw,
1130                [CLK_CSI0_MCLK]         = &csi0_mclk_clk.common.hw,
1131                [CLK_VE]                = &ve_clk.common.hw,
1132                [CLK_CODEC]             = &codec_clk.common.hw,
1133                [CLK_AVS]               = &avs_clk.common.hw,
1134                [CLK_HDMI]              = &hdmi_clk.common.hw,
1135                [CLK_HDMI_SLOW]         = &hdmi_slow_clk.common.hw,
1136                [CLK_MBUS]              = &mbus_clk.common.hw,
1137                [CLK_DSI_DPHY]          = &dsi_dphy_clk.common.hw,
1138                [CLK_TVE0]              = &tve0_clk.common.hw,
1139                [CLK_TVE1]              = &tve1_clk.common.hw,
1140                [CLK_TVD0]              = &tvd0_clk.common.hw,
1141                [CLK_TVD1]              = &tvd1_clk.common.hw,
1142                [CLK_TVD2]              = &tvd2_clk.common.hw,
1143                [CLK_TVD3]              = &tvd3_clk.common.hw,
1144                [CLK_GPU]               = &gpu_clk.common.hw,
1145                [CLK_OUTA]              = &outa_clk.common.hw,
1146                [CLK_OUTB]              = &outb_clk.common.hw,
1147        },
1148        .num    = CLK_NUMBER,
1149};
1150
1151static struct ccu_reset_map sun8i_r40_ccu_resets[] = {
1152        [RST_USB_PHY0]          =  { 0x0cc, BIT(0) },
1153        [RST_USB_PHY1]          =  { 0x0cc, BIT(1) },
1154        [RST_USB_PHY2]          =  { 0x0cc, BIT(2) },
1155
1156        [RST_DRAM]              =  { 0x0f4, BIT(31) },
1157        [RST_MBUS]              =  { 0x0fc, BIT(31) },
1158
1159        [RST_BUS_MIPI_DSI]      =  { 0x2c0, BIT(1) },
1160        [RST_BUS_CE]            =  { 0x2c0, BIT(5) },
1161        [RST_BUS_DMA]           =  { 0x2c0, BIT(6) },
1162        [RST_BUS_MMC0]          =  { 0x2c0, BIT(8) },
1163        [RST_BUS_MMC1]          =  { 0x2c0, BIT(9) },
1164        [RST_BUS_MMC2]          =  { 0x2c0, BIT(10) },
1165        [RST_BUS_MMC3]          =  { 0x2c0, BIT(11) },
1166        [RST_BUS_NAND]          =  { 0x2c0, BIT(13) },
1167        [RST_BUS_DRAM]          =  { 0x2c0, BIT(14) },
1168        [RST_BUS_EMAC]          =  { 0x2c0, BIT(17) },
1169        [RST_BUS_TS]            =  { 0x2c0, BIT(18) },
1170        [RST_BUS_HSTIMER]       =  { 0x2c0, BIT(19) },
1171        [RST_BUS_SPI0]          =  { 0x2c0, BIT(20) },
1172        [RST_BUS_SPI1]          =  { 0x2c0, BIT(21) },
1173        [RST_BUS_SPI2]          =  { 0x2c0, BIT(22) },
1174        [RST_BUS_SPI3]          =  { 0x2c0, BIT(23) },
1175        [RST_BUS_SATA]          =  { 0x2c0, BIT(24) },
1176        [RST_BUS_OTG]           =  { 0x2c0, BIT(25) },
1177        [RST_BUS_EHCI0]         =  { 0x2c0, BIT(26) },
1178        [RST_BUS_EHCI1]         =  { 0x2c0, BIT(27) },
1179        [RST_BUS_EHCI2]         =  { 0x2c0, BIT(28) },
1180        [RST_BUS_OHCI0]         =  { 0x2c0, BIT(29) },
1181        [RST_BUS_OHCI1]         =  { 0x2c0, BIT(30) },
1182        [RST_BUS_OHCI2]         =  { 0x2c0, BIT(31) },
1183
1184        [RST_BUS_VE]            =  { 0x2c4, BIT(0) },
1185        [RST_BUS_MP]            =  { 0x2c4, BIT(2) },
1186        [RST_BUS_DEINTERLACE]   =  { 0x2c4, BIT(5) },
1187        [RST_BUS_CSI0]          =  { 0x2c4, BIT(8) },
1188        [RST_BUS_CSI1]          =  { 0x2c4, BIT(9) },
1189        [RST_BUS_HDMI0]         =  { 0x2c4, BIT(10) },
1190        [RST_BUS_HDMI1]         =  { 0x2c4, BIT(11) },
1191        [RST_BUS_DE]            =  { 0x2c4, BIT(12) },
1192        [RST_BUS_TVE0]          =  { 0x2c4, BIT(13) },
1193        [RST_BUS_TVE1]          =  { 0x2c4, BIT(14) },
1194        [RST_BUS_TVE_TOP]       =  { 0x2c4, BIT(15) },
1195        [RST_BUS_GMAC]          =  { 0x2c4, BIT(17) },
1196        [RST_BUS_GPU]           =  { 0x2c4, BIT(20) },
1197        [RST_BUS_TVD0]          =  { 0x2c4, BIT(21) },
1198        [RST_BUS_TVD1]          =  { 0x2c4, BIT(22) },
1199        [RST_BUS_TVD2]          =  { 0x2c4, BIT(23) },
1200        [RST_BUS_TVD3]          =  { 0x2c4, BIT(24) },
1201        [RST_BUS_TVD_TOP]       =  { 0x2c4, BIT(25) },
1202        [RST_BUS_TCON_LCD0]     =  { 0x2c4, BIT(26) },
1203        [RST_BUS_TCON_LCD1]     =  { 0x2c4, BIT(27) },
1204        [RST_BUS_TCON_TV0]      =  { 0x2c4, BIT(28) },
1205        [RST_BUS_TCON_TV1]      =  { 0x2c4, BIT(29) },
1206        [RST_BUS_TCON_TOP]      =  { 0x2c4, BIT(30) },
1207        [RST_BUS_DBG]           =  { 0x2c4, BIT(31) },
1208
1209        [RST_BUS_LVDS]          =  { 0x2c8, BIT(0) },
1210
1211        [RST_BUS_CODEC]         =  { 0x2d0, BIT(0) },
1212        [RST_BUS_SPDIF]         =  { 0x2d0, BIT(1) },
1213        [RST_BUS_AC97]          =  { 0x2d0, BIT(2) },
1214        [RST_BUS_IR0]           =  { 0x2d0, BIT(6) },
1215        [RST_BUS_IR1]           =  { 0x2d0, BIT(7) },
1216        [RST_BUS_THS]           =  { 0x2d0, BIT(8) },
1217        [RST_BUS_KEYPAD]        =  { 0x2d0, BIT(10) },
1218        [RST_BUS_I2S0]          =  { 0x2d0, BIT(12) },
1219        [RST_BUS_I2S1]          =  { 0x2d0, BIT(13) },
1220        [RST_BUS_I2S2]          =  { 0x2d0, BIT(14) },
1221
1222        [RST_BUS_I2C0]          =  { 0x2d8, BIT(0) },
1223        [RST_BUS_I2C1]          =  { 0x2d8, BIT(1) },
1224        [RST_BUS_I2C2]          =  { 0x2d8, BIT(2) },
1225        [RST_BUS_I2C3]          =  { 0x2d8, BIT(3) },
1226        [RST_BUS_CAN]           =  { 0x2d8, BIT(4) },
1227        [RST_BUS_SCR]           =  { 0x2d8, BIT(5) },
1228        [RST_BUS_PS20]          =  { 0x2d8, BIT(6) },
1229        [RST_BUS_PS21]          =  { 0x2d8, BIT(7) },
1230        [RST_BUS_I2C4]          =  { 0x2d8, BIT(15) },
1231        [RST_BUS_UART0]         =  { 0x2d8, BIT(16) },
1232        [RST_BUS_UART1]         =  { 0x2d8, BIT(17) },
1233        [RST_BUS_UART2]         =  { 0x2d8, BIT(18) },
1234        [RST_BUS_UART3]         =  { 0x2d8, BIT(19) },
1235        [RST_BUS_UART4]         =  { 0x2d8, BIT(20) },
1236        [RST_BUS_UART5]         =  { 0x2d8, BIT(21) },
1237        [RST_BUS_UART6]         =  { 0x2d8, BIT(22) },
1238        [RST_BUS_UART7]         =  { 0x2d8, BIT(23) },
1239};
1240
1241static const struct sunxi_ccu_desc sun8i_r40_ccu_desc = {
1242        .ccu_clks       = sun8i_r40_ccu_clks,
1243        .num_ccu_clks   = ARRAY_SIZE(sun8i_r40_ccu_clks),
1244
1245        .hw_clks        = &sun8i_r40_hw_clks,
1246
1247        .resets         = sun8i_r40_ccu_resets,
1248        .num_resets     = ARRAY_SIZE(sun8i_r40_ccu_resets),
1249};
1250
1251static struct ccu_pll_nb sun8i_r40_pll_cpu_nb = {
1252        .common = &pll_cpu_clk.common,
1253        /* copy from pll_cpu_clk */
1254        .enable = BIT(31),
1255        .lock   = BIT(28),
1256};
1257
1258static struct ccu_mux_nb sun8i_r40_cpu_nb = {
1259        .common         = &cpu_clk.common,
1260        .cm             = &cpu_clk.mux,
1261        .delay_us       = 1, /* > 8 clock cycles at 24 MHz */
1262        .bypass_index   = 1, /* index of 24 MHz oscillator */
1263};
1264
1265/*
1266 * Add a regmap for the GMAC driver (dwmac-sun8i) to access the
1267 * GMAC configuration register.
1268 * Only this register is allowed to be written, in order to
1269 * prevent overriding critical clock configuration.
1270 */
1271
1272#define SUN8I_R40_GMAC_CFG_REG 0x164
1273static bool sun8i_r40_ccu_regmap_accessible_reg(struct device *dev,
1274                                                unsigned int reg)
1275{
1276        if (reg == SUN8I_R40_GMAC_CFG_REG)
1277                return true;
1278        return false;
1279}
1280
1281static struct regmap_config sun8i_r40_ccu_regmap_config = {
1282        .reg_bits       = 32,
1283        .val_bits       = 32,
1284        .reg_stride     = 4,
1285        .max_register   = 0x320, /* PLL_LOCK_CTRL_REG */
1286
1287        /* other devices have no business accessing other registers */
1288        .readable_reg   = sun8i_r40_ccu_regmap_accessible_reg,
1289        .writeable_reg  = sun8i_r40_ccu_regmap_accessible_reg,
1290};
1291
1292#define SUN8I_R40_SYS_32K_CLK_REG 0x310
1293#define SUN8I_R40_SYS_32K_CLK_KEY (0x16AA << 16)
1294
1295static int sun8i_r40_ccu_probe(struct platform_device *pdev)
1296{
1297        struct resource *res;
1298        struct regmap *regmap;
1299        void __iomem *reg;
1300        u32 val;
1301        int ret;
1302
1303        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1304        reg = devm_ioremap_resource(&pdev->dev, res);
1305        if (IS_ERR(reg))
1306                return PTR_ERR(reg);
1307
1308        /* Force the PLL-Audio-1x divider to 4 */
1309        val = readl(reg + SUN8I_R40_PLL_AUDIO_REG);
1310        val &= ~GENMASK(19, 16);
1311        writel(val | (3 << 16), reg + SUN8I_R40_PLL_AUDIO_REG);
1312
1313        /* Force PLL-MIPI to MIPI mode */
1314        val = readl(reg + SUN8I_R40_PLL_MIPI_REG);
1315        val &= ~BIT(16);
1316        writel(val, reg + SUN8I_R40_PLL_MIPI_REG);
1317
1318        /* Force OHCI 12M parent to 12M divided from 48M */
1319        val = readl(reg + SUN8I_R40_USB_CLK_REG);
1320        val &= ~GENMASK(25, 20);
1321        writel(val, reg + SUN8I_R40_USB_CLK_REG);
1322
1323        /*
1324         * Force SYS 32k (otherwise known as LOSC throughout the CCU)
1325         * clock parent to LOSC output from RTC module instead of the
1326         * CCU's internal RC oscillator divided output.
1327         */
1328        writel(SUN8I_R40_SYS_32K_CLK_KEY | BIT(8),
1329               reg + SUN8I_R40_SYS_32K_CLK_REG);
1330
1331        regmap = devm_regmap_init_mmio(&pdev->dev, reg,
1332                                       &sun8i_r40_ccu_regmap_config);
1333        if (IS_ERR(regmap))
1334                return PTR_ERR(regmap);
1335
1336        ret = sunxi_ccu_probe(pdev->dev.of_node, reg, &sun8i_r40_ccu_desc);
1337        if (ret)
1338                return ret;
1339
1340        /* Gate then ungate PLL CPU after any rate changes */
1341        ccu_pll_notifier_register(&sun8i_r40_pll_cpu_nb);
1342
1343        /* Reparent CPU during PLL CPU rate changes */
1344        ccu_mux_notifier_register(pll_cpu_clk.common.hw.clk,
1345                                  &sun8i_r40_cpu_nb);
1346
1347        return 0;
1348}
1349
1350static const struct of_device_id sun8i_r40_ccu_ids[] = {
1351        { .compatible = "allwinner,sun8i-r40-ccu" },
1352        { }
1353};
1354
1355static struct platform_driver sun8i_r40_ccu_driver = {
1356        .probe  = sun8i_r40_ccu_probe,
1357        .driver = {
1358                .name   = "sun8i-r40-ccu",
1359                .of_match_table = sun8i_r40_ccu_ids,
1360        },
1361};
1362builtin_platform_driver(sun8i_r40_ccu_driver);
1363