linux/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
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   1/*
   2 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
   3 *
   4 * This software is licensed under the terms of the GNU General Public
   5 * License version 2, as published by the Free Software Foundation, and
   6 * may be copied, distributed, and modified under those terms.
   7 *
   8 * This program is distributed in the hope that it will be useful,
   9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 * GNU General Public License for more details.
  12 */
  13
  14#include <linux/clk-provider.h>
  15#include <linux/of_address.h>
  16
  17#include "ccu_common.h"
  18#include "ccu_reset.h"
  19
  20#include "ccu_div.h"
  21#include "ccu_gate.h"
  22#include "ccu_mp.h"
  23#include "ccu_mult.h"
  24#include "ccu_nk.h"
  25#include "ccu_nkm.h"
  26#include "ccu_nkmp.h"
  27#include "ccu_nm.h"
  28#include "ccu_phase.h"
  29
  30#include "ccu-sun8i-h3.h"
  31
  32static SUNXI_CCU_NKMP_WITH_GATE_LOCK(pll_cpux_clk, "pll-cpux",
  33                                     "osc24M", 0x000,
  34                                     8, 5,      /* N */
  35                                     4, 2,      /* K */
  36                                     0, 2,      /* M */
  37                                     16, 2,     /* P */
  38                                     BIT(31),   /* gate */
  39                                     BIT(28),   /* lock */
  40                                     0);
  41
  42/*
  43 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
  44 * the base (2x, 4x and 8x), and one variable divider (the one true
  45 * pll audio).
  46 *
  47 * We don't have any need for the variable divider for now, so we just
  48 * hardcode it to match with the clock names
  49 */
  50#define SUN8I_H3_PLL_AUDIO_REG  0x008
  51
  52static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
  53                                   "osc24M", 0x008,
  54                                   8, 7,        /* N */
  55                                   0, 5,        /* M */
  56                                   BIT(31),     /* gate */
  57                                   BIT(28),     /* lock */
  58                                   0);
  59
  60static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video",
  61                                        "osc24M", 0x0010,
  62                                        8, 7,           /* N */
  63                                        0, 4,           /* M */
  64                                        BIT(24),        /* frac enable */
  65                                        BIT(25),        /* frac select */
  66                                        270000000,      /* frac rate 0 */
  67                                        297000000,      /* frac rate 1 */
  68                                        BIT(31),        /* gate */
  69                                        BIT(28),        /* lock */
  70                                        0);
  71
  72static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
  73                                        "osc24M", 0x0018,
  74                                        8, 7,           /* N */
  75                                        0, 4,           /* M */
  76                                        BIT(24),        /* frac enable */
  77                                        BIT(25),        /* frac select */
  78                                        270000000,      /* frac rate 0 */
  79                                        297000000,      /* frac rate 1 */
  80                                        BIT(31),        /* gate */
  81                                        BIT(28),        /* lock */
  82                                        0);
  83
  84static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr_clk, "pll-ddr",
  85                                    "osc24M", 0x020,
  86                                    8, 5,       /* N */
  87                                    4, 2,       /* K */
  88                                    0, 2,       /* M */
  89                                    BIT(31),    /* gate */
  90                                    BIT(28),    /* lock */
  91                                    0);
  92
  93static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph0_clk, "pll-periph0",
  94                                           "osc24M", 0x028,
  95                                           8, 5,        /* N */
  96                                           4, 2,        /* K */
  97                                           BIT(31),     /* gate */
  98                                           BIT(28),     /* lock */
  99                                           2,           /* post-div */
 100                                           0);
 101
 102static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
 103                                        "osc24M", 0x0038,
 104                                        8, 7,           /* N */
 105                                        0, 4,           /* M */
 106                                        BIT(24),        /* frac enable */
 107                                        BIT(25),        /* frac select */
 108                                        270000000,      /* frac rate 0 */
 109                                        297000000,      /* frac rate 1 */
 110                                        BIT(31),        /* gate */
 111                                        BIT(28),        /* lock */
 112                                        0);
 113
 114static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph1_clk, "pll-periph1",
 115                                           "osc24M", 0x044,
 116                                           8, 5,        /* N */
 117                                           4, 2,        /* K */
 118                                           BIT(31),     /* gate */
 119                                           BIT(28),     /* lock */
 120                                           2,           /* post-div */
 121                                           0);
 122
 123static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
 124                                        "osc24M", 0x0048,
 125                                        8, 7,           /* N */
 126                                        0, 4,           /* M */
 127                                        BIT(24),        /* frac enable */
 128                                        BIT(25),        /* frac select */
 129                                        270000000,      /* frac rate 0 */
 130                                        297000000,      /* frac rate 1 */
 131                                        BIT(31),        /* gate */
 132                                        BIT(28),        /* lock */
 133                                        0);
 134
 135static const char * const cpux_parents[] = { "osc32k", "osc24M",
 136                                             "pll-cpux" , "pll-cpux" };
 137static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
 138                     0x050, 16, 2, CLK_IS_CRITICAL);
 139
 140static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0);
 141
 142static const char * const ahb1_parents[] = { "osc32k", "osc24M",
 143                                             "axi" , "pll-periph0" };
 144static struct ccu_div ahb1_clk = {
 145        .div            = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
 146
 147        .mux            = {
 148                .shift  = 12,
 149                .width  = 2,
 150
 151                .variable_prediv        = {
 152                        .index  = 3,
 153                        .shift  = 6,
 154                        .width  = 2,
 155                },
 156        },
 157
 158        .common         = {
 159                .reg            = 0x054,
 160                .features       = CCU_FEATURE_VARIABLE_PREDIV,
 161                .hw.init        = CLK_HW_INIT_PARENTS("ahb1",
 162                                                      ahb1_parents,
 163                                                      &ccu_div_ops,
 164                                                      0),
 165        },
 166};
 167
 168static struct clk_div_table apb1_div_table[] = {
 169        { .val = 0, .div = 2 },
 170        { .val = 1, .div = 2 },
 171        { .val = 2, .div = 4 },
 172        { .val = 3, .div = 8 },
 173        { /* Sentinel */ },
 174};
 175static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
 176                           0x054, 8, 2, apb1_div_table, 0);
 177
 178static const char * const apb2_parents[] = { "osc32k", "osc24M",
 179                                             "pll-periph0" , "pll-periph0" };
 180static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
 181                             0, 5,      /* M */
 182                             16, 2,     /* P */
 183                             24, 2,     /* mux */
 184                             0);
 185
 186static const char * const ahb2_parents[] = { "ahb1" , "pll-periph0" };
 187static const struct ccu_mux_fixed_prediv ahb2_fixed_predivs[] = {
 188        { .index = 1, .div = 2 },
 189};
 190static struct ccu_mux ahb2_clk = {
 191        .mux            = {
 192                .shift  = 0,
 193                .width  = 1,
 194                .fixed_predivs  = ahb2_fixed_predivs,
 195                .n_predivs      = ARRAY_SIZE(ahb2_fixed_predivs),
 196        },
 197
 198        .common         = {
 199                .reg            = 0x05c,
 200                .features       = CCU_FEATURE_FIXED_PREDIV,
 201                .hw.init        = CLK_HW_INIT_PARENTS("ahb2",
 202                                                      ahb2_parents,
 203                                                      &ccu_mux_ops,
 204                                                      0),
 205        },
 206};
 207
 208static SUNXI_CCU_GATE(bus_ce_clk,       "bus-ce",       "ahb1",
 209                      0x060, BIT(5), 0);
 210static SUNXI_CCU_GATE(bus_dma_clk,      "bus-dma",      "ahb1",
 211                      0x060, BIT(6), 0);
 212static SUNXI_CCU_GATE(bus_mmc0_clk,     "bus-mmc0",     "ahb1",
 213                      0x060, BIT(8), 0);
 214static SUNXI_CCU_GATE(bus_mmc1_clk,     "bus-mmc1",     "ahb1",
 215                      0x060, BIT(9), 0);
 216static SUNXI_CCU_GATE(bus_mmc2_clk,     "bus-mmc2",     "ahb1",
 217                      0x060, BIT(10), 0);
 218static SUNXI_CCU_GATE(bus_nand_clk,     "bus-nand",     "ahb1",
 219                      0x060, BIT(13), 0);
 220static SUNXI_CCU_GATE(bus_dram_clk,     "bus-dram",     "ahb1",
 221                      0x060, BIT(14), 0);
 222static SUNXI_CCU_GATE(bus_emac_clk,     "bus-emac",     "ahb2",
 223                      0x060, BIT(17), 0);
 224static SUNXI_CCU_GATE(bus_ts_clk,       "bus-ts",       "ahb1",
 225                      0x060, BIT(18), 0);
 226static SUNXI_CCU_GATE(bus_hstimer_clk,  "bus-hstimer",  "ahb1",
 227                      0x060, BIT(19), 0);
 228static SUNXI_CCU_GATE(bus_spi0_clk,     "bus-spi0",     "ahb1",
 229                      0x060, BIT(20), 0);
 230static SUNXI_CCU_GATE(bus_spi1_clk,     "bus-spi1",     "ahb1",
 231                      0x060, BIT(21), 0);
 232static SUNXI_CCU_GATE(bus_otg_clk,      "bus-otg",      "ahb1",
 233                      0x060, BIT(23), 0);
 234static SUNXI_CCU_GATE(bus_ehci0_clk,    "bus-ehci0",    "ahb1",
 235                      0x060, BIT(24), 0);
 236static SUNXI_CCU_GATE(bus_ehci1_clk,    "bus-ehci1",    "ahb2",
 237                      0x060, BIT(25), 0);
 238static SUNXI_CCU_GATE(bus_ehci2_clk,    "bus-ehci2",    "ahb2",
 239                      0x060, BIT(26), 0);
 240static SUNXI_CCU_GATE(bus_ehci3_clk,    "bus-ehci3",    "ahb2",
 241                      0x060, BIT(27), 0);
 242static SUNXI_CCU_GATE(bus_ohci0_clk,    "bus-ohci0",    "ahb1",
 243                      0x060, BIT(28), 0);
 244static SUNXI_CCU_GATE(bus_ohci1_clk,    "bus-ohci1",    "ahb2",
 245                      0x060, BIT(29), 0);
 246static SUNXI_CCU_GATE(bus_ohci2_clk,    "bus-ohci2",    "ahb2",
 247                      0x060, BIT(30), 0);
 248static SUNXI_CCU_GATE(bus_ohci3_clk,    "bus-ohci3",    "ahb2",
 249                      0x060, BIT(31), 0);
 250
 251static SUNXI_CCU_GATE(bus_ve_clk,       "bus-ve",       "ahb1",
 252                      0x064, BIT(0), 0);
 253static SUNXI_CCU_GATE(bus_tcon0_clk,    "bus-tcon0",    "ahb1",
 254                      0x064, BIT(3), 0);
 255static SUNXI_CCU_GATE(bus_tcon1_clk,    "bus-tcon1",    "ahb1",
 256                      0x064, BIT(4), 0);
 257static SUNXI_CCU_GATE(bus_deinterlace_clk,      "bus-deinterlace",      "ahb1",
 258                      0x064, BIT(5), 0);
 259static SUNXI_CCU_GATE(bus_csi_clk,      "bus-csi",      "ahb1",
 260                      0x064, BIT(8), 0);
 261static SUNXI_CCU_GATE(bus_tve_clk,      "bus-tve",      "ahb1",
 262                      0x064, BIT(9), 0);
 263static SUNXI_CCU_GATE(bus_hdmi_clk,     "bus-hdmi",     "ahb1",
 264                      0x064, BIT(11), 0);
 265static SUNXI_CCU_GATE(bus_de_clk,       "bus-de",       "ahb1",
 266                      0x064, BIT(12), 0);
 267static SUNXI_CCU_GATE(bus_gpu_clk,      "bus-gpu",      "ahb1",
 268                      0x064, BIT(20), 0);
 269static SUNXI_CCU_GATE(bus_msgbox_clk,   "bus-msgbox",   "ahb1",
 270                      0x064, BIT(21), 0);
 271static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
 272                      0x064, BIT(22), 0);
 273
 274static SUNXI_CCU_GATE(bus_codec_clk,    "bus-codec",    "apb1",
 275                      0x068, BIT(0), 0);
 276static SUNXI_CCU_GATE(bus_spdif_clk,    "bus-spdif",    "apb1",
 277                      0x068, BIT(1), 0);
 278static SUNXI_CCU_GATE(bus_pio_clk,      "bus-pio",      "apb1",
 279                      0x068, BIT(5), 0);
 280static SUNXI_CCU_GATE(bus_ths_clk,      "bus-ths",      "apb1",
 281                      0x068, BIT(8), 0);
 282static SUNXI_CCU_GATE(bus_i2s0_clk,     "bus-i2s0",     "apb1",
 283                      0x068, BIT(12), 0);
 284static SUNXI_CCU_GATE(bus_i2s1_clk,     "bus-i2s1",     "apb1",
 285                      0x068, BIT(13), 0);
 286static SUNXI_CCU_GATE(bus_i2s2_clk,     "bus-i2s2",     "apb1",
 287                      0x068, BIT(14), 0);
 288
 289static SUNXI_CCU_GATE(bus_i2c0_clk,     "bus-i2c0",     "apb2",
 290                      0x06c, BIT(0), 0);
 291static SUNXI_CCU_GATE(bus_i2c1_clk,     "bus-i2c1",     "apb2",
 292                      0x06c, BIT(1), 0);
 293static SUNXI_CCU_GATE(bus_i2c2_clk,     "bus-i2c2",     "apb2",
 294                      0x06c, BIT(2), 0);
 295static SUNXI_CCU_GATE(bus_uart0_clk,    "bus-uart0",    "apb2",
 296                      0x06c, BIT(16), 0);
 297static SUNXI_CCU_GATE(bus_uart1_clk,    "bus-uart1",    "apb2",
 298                      0x06c, BIT(17), 0);
 299static SUNXI_CCU_GATE(bus_uart2_clk,    "bus-uart2",    "apb2",
 300                      0x06c, BIT(18), 0);
 301static SUNXI_CCU_GATE(bus_uart3_clk,    "bus-uart3",    "apb2",
 302                      0x06c, BIT(19), 0);
 303static SUNXI_CCU_GATE(bus_scr_clk,      "bus-scr",      "apb2",
 304                      0x06c, BIT(20), 0);
 305
 306static SUNXI_CCU_GATE(bus_ephy_clk,     "bus-ephy",     "ahb1",
 307                      0x070, BIT(0), 0);
 308static SUNXI_CCU_GATE(bus_dbg_clk,      "bus-dbg",      "ahb1",
 309                      0x070, BIT(7), 0);
 310
 311static struct clk_div_table ths_div_table[] = {
 312        { .val = 0, .div = 1 },
 313        { .val = 1, .div = 2 },
 314        { .val = 2, .div = 4 },
 315        { .val = 3, .div = 6 },
 316};
 317static SUNXI_CCU_DIV_TABLE_WITH_GATE(ths_clk, "ths", "osc24M",
 318                                     0x074, 0, 2, ths_div_table, BIT(31), 0);
 319
 320static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0",
 321                                                     "pll-periph1" };
 322static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
 323                                  0, 4,         /* M */
 324                                  16, 2,        /* P */
 325                                  24, 2,        /* mux */
 326                                  BIT(31),      /* gate */
 327                                  0);
 328
 329static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
 330                                  0, 4,         /* M */
 331                                  16, 2,        /* P */
 332                                  24, 2,        /* mux */
 333                                  BIT(31),      /* gate */
 334                                  0);
 335
 336static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0",
 337                       0x088, 20, 3, 0);
 338static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0",
 339                       0x088, 8, 3, 0);
 340
 341static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
 342                                  0, 4,         /* M */
 343                                  16, 2,        /* P */
 344                                  24, 2,        /* mux */
 345                                  BIT(31),      /* gate */
 346                                  0);
 347
 348static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1",
 349                       0x08c, 20, 3, 0);
 350static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1",
 351                       0x08c, 8, 3, 0);
 352
 353static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090,
 354                                  0, 4,         /* M */
 355                                  16, 2,        /* P */
 356                                  24, 2,        /* mux */
 357                                  BIT(31),      /* gate */
 358                                  0);
 359
 360static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2",
 361                       0x090, 20, 3, 0);
 362static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2",
 363                       0x090, 8, 3, 0);
 364
 365static const char * const ts_parents[] = { "osc24M", "pll-periph0", };
 366static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x098,
 367                                  0, 4,         /* M */
 368                                  16, 2,        /* P */
 369                                  24, 2,        /* mux */
 370                                  BIT(31),      /* gate */
 371                                  0);
 372
 373static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", mod0_default_parents, 0x09c,
 374                                  0, 4,         /* M */
 375                                  16, 2,        /* P */
 376                                  24, 2,        /* mux */
 377                                  BIT(31),      /* gate */
 378                                  0);
 379
 380static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
 381                                  0, 4,         /* M */
 382                                  16, 2,        /* P */
 383                                  24, 2,        /* mux */
 384                                  BIT(31),      /* gate */
 385                                  0);
 386
 387static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
 388                                  0, 4,         /* M */
 389                                  16, 2,        /* P */
 390                                  24, 2,        /* mux */
 391                                  BIT(31),      /* gate */
 392                                  0);
 393
 394static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
 395                                            "pll-audio-2x", "pll-audio" };
 396static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
 397                               0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 398
 399static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
 400                               0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 401
 402static SUNXI_CCU_MUX_WITH_GATE(i2s2_clk, "i2s2", i2s_parents,
 403                               0x0b8, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 404
 405static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio",
 406                             0x0c0, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
 407
 408static SUNXI_CCU_GATE(usb_phy0_clk,     "usb-phy0",     "osc24M",
 409                      0x0cc, BIT(8), 0);
 410static SUNXI_CCU_GATE(usb_phy1_clk,     "usb-phy1",     "osc24M",
 411                      0x0cc, BIT(9), 0);
 412static SUNXI_CCU_GATE(usb_phy2_clk,     "usb-phy2",     "osc24M",
 413                      0x0cc, BIT(10), 0);
 414static SUNXI_CCU_GATE(usb_phy3_clk,     "usb-phy3",     "osc24M",
 415                      0x0cc, BIT(11), 0);
 416static SUNXI_CCU_GATE(usb_ohci0_clk,    "usb-ohci0",    "osc24M",
 417                      0x0cc, BIT(16), 0);
 418static SUNXI_CCU_GATE(usb_ohci1_clk,    "usb-ohci1",    "osc24M",
 419                      0x0cc, BIT(17), 0);
 420static SUNXI_CCU_GATE(usb_ohci2_clk,    "usb-ohci2",    "osc24M",
 421                      0x0cc, BIT(18), 0);
 422static SUNXI_CCU_GATE(usb_ohci3_clk,    "usb-ohci3",    "osc24M",
 423                      0x0cc, BIT(19), 0);
 424
 425static const char * const dram_parents[] = { "pll-ddr", "pll-periph0-2x" };
 426static SUNXI_CCU_M_WITH_MUX(dram_clk, "dram", dram_parents,
 427                            0x0f4, 0, 4, 20, 2, CLK_IS_CRITICAL);
 428
 429static SUNXI_CCU_GATE(dram_ve_clk,      "dram-ve",      "dram",
 430                      0x100, BIT(0), 0);
 431static SUNXI_CCU_GATE(dram_csi_clk,     "dram-csi",     "dram",
 432                      0x100, BIT(1), 0);
 433static SUNXI_CCU_GATE(dram_deinterlace_clk,     "dram-deinterlace",     "dram",
 434                      0x100, BIT(2), 0);
 435static SUNXI_CCU_GATE(dram_ts_clk,      "dram-ts",      "dram",
 436                      0x100, BIT(3), 0);
 437
 438static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" };
 439static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
 440                                 0x104, 0, 4, 24, 3, BIT(31), 0);
 441
 442static const char * const tcon_parents[] = { "pll-video" };
 443static SUNXI_CCU_M_WITH_MUX_GATE(tcon_clk, "tcon", tcon_parents,
 444                                 0x118, 0, 4, 24, 3, BIT(31), 0);
 445
 446static const char * const tve_parents[] = { "pll-de", "pll-periph1" };
 447static SUNXI_CCU_M_WITH_MUX_GATE(tve_clk, "tve", tve_parents,
 448                                 0x120, 0, 4, 24, 3, BIT(31), 0);
 449
 450static const char * const deinterlace_parents[] = { "pll-periph0", "pll-periph1" };
 451static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace", deinterlace_parents,
 452                                 0x124, 0, 4, 24, 3, BIT(31), 0);
 453
 454static SUNXI_CCU_GATE(csi_misc_clk,     "csi-misc",     "osc24M",
 455                      0x130, BIT(31), 0);
 456
 457static const char * const csi_sclk_parents[] = { "pll-periph0", "pll-periph1" };
 458static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents,
 459                                 0x134, 16, 4, 24, 3, BIT(31), 0);
 460
 461static const char * const csi_mclk_parents[] = { "osc24M", "pll-video", "pll-periph0" };
 462static SUNXI_CCU_M_WITH_MUX_GATE(csi_mclk_clk, "csi-mclk", csi_mclk_parents,
 463                                 0x134, 0, 5, 8, 3, BIT(15), 0);
 464
 465static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
 466                             0x13c, 16, 3, BIT(31), 0);
 467
 468static SUNXI_CCU_GATE(ac_dig_clk,       "ac-dig",       "pll-audio",
 469                      0x140, BIT(31), CLK_SET_RATE_PARENT);
 470static SUNXI_CCU_GATE(avs_clk,          "avs",          "osc24M",
 471                      0x144, BIT(31), 0);
 472
 473static const char * const hdmi_parents[] = { "pll-video" };
 474static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
 475                                 0x150, 0, 4, 24, 2, BIT(31), 0);
 476
 477static SUNXI_CCU_GATE(hdmi_ddc_clk,     "hdmi-ddc",     "osc24M",
 478                      0x154, BIT(31), 0);
 479
 480static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x", "pll-ddr" };
 481static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
 482                                 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL);
 483
 484static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
 485                             0x1a0, 0, 3, BIT(31), 0);
 486
 487static struct ccu_common *sun8i_h3_ccu_clks[] = {
 488        &pll_cpux_clk.common,
 489        &pll_audio_base_clk.common,
 490        &pll_video_clk.common,
 491        &pll_ve_clk.common,
 492        &pll_ddr_clk.common,
 493        &pll_periph0_clk.common,
 494        &pll_gpu_clk.common,
 495        &pll_periph1_clk.common,
 496        &pll_de_clk.common,
 497        &cpux_clk.common,
 498        &axi_clk.common,
 499        &ahb1_clk.common,
 500        &apb1_clk.common,
 501        &apb2_clk.common,
 502        &ahb2_clk.common,
 503        &bus_ce_clk.common,
 504        &bus_dma_clk.common,
 505        &bus_mmc0_clk.common,
 506        &bus_mmc1_clk.common,
 507        &bus_mmc2_clk.common,
 508        &bus_nand_clk.common,
 509        &bus_dram_clk.common,
 510        &bus_emac_clk.common,
 511        &bus_ts_clk.common,
 512        &bus_hstimer_clk.common,
 513        &bus_spi0_clk.common,
 514        &bus_spi1_clk.common,
 515        &bus_otg_clk.common,
 516        &bus_ehci0_clk.common,
 517        &bus_ehci1_clk.common,
 518        &bus_ehci2_clk.common,
 519        &bus_ehci3_clk.common,
 520        &bus_ohci0_clk.common,
 521        &bus_ohci1_clk.common,
 522        &bus_ohci2_clk.common,
 523        &bus_ohci3_clk.common,
 524        &bus_ve_clk.common,
 525        &bus_tcon0_clk.common,
 526        &bus_tcon1_clk.common,
 527        &bus_deinterlace_clk.common,
 528        &bus_csi_clk.common,
 529        &bus_tve_clk.common,
 530        &bus_hdmi_clk.common,
 531        &bus_de_clk.common,
 532        &bus_gpu_clk.common,
 533        &bus_msgbox_clk.common,
 534        &bus_spinlock_clk.common,
 535        &bus_codec_clk.common,
 536        &bus_spdif_clk.common,
 537        &bus_pio_clk.common,
 538        &bus_ths_clk.common,
 539        &bus_i2s0_clk.common,
 540        &bus_i2s1_clk.common,
 541        &bus_i2s2_clk.common,
 542        &bus_i2c0_clk.common,
 543        &bus_i2c1_clk.common,
 544        &bus_i2c2_clk.common,
 545        &bus_uart0_clk.common,
 546        &bus_uart1_clk.common,
 547        &bus_uart2_clk.common,
 548        &bus_uart3_clk.common,
 549        &bus_scr_clk.common,
 550        &bus_ephy_clk.common,
 551        &bus_dbg_clk.common,
 552        &ths_clk.common,
 553        &nand_clk.common,
 554        &mmc0_clk.common,
 555        &mmc0_sample_clk.common,
 556        &mmc0_output_clk.common,
 557        &mmc1_clk.common,
 558        &mmc1_sample_clk.common,
 559        &mmc1_output_clk.common,
 560        &mmc2_clk.common,
 561        &mmc2_sample_clk.common,
 562        &mmc2_output_clk.common,
 563        &ts_clk.common,
 564        &ce_clk.common,
 565        &spi0_clk.common,
 566        &spi1_clk.common,
 567        &i2s0_clk.common,
 568        &i2s1_clk.common,
 569        &i2s2_clk.common,
 570        &spdif_clk.common,
 571        &usb_phy0_clk.common,
 572        &usb_phy1_clk.common,
 573        &usb_phy2_clk.common,
 574        &usb_phy3_clk.common,
 575        &usb_ohci0_clk.common,
 576        &usb_ohci1_clk.common,
 577        &usb_ohci2_clk.common,
 578        &usb_ohci3_clk.common,
 579        &dram_clk.common,
 580        &dram_ve_clk.common,
 581        &dram_csi_clk.common,
 582        &dram_deinterlace_clk.common,
 583        &dram_ts_clk.common,
 584        &de_clk.common,
 585        &tcon_clk.common,
 586        &tve_clk.common,
 587        &deinterlace_clk.common,
 588        &csi_misc_clk.common,
 589        &csi_sclk_clk.common,
 590        &csi_mclk_clk.common,
 591        &ve_clk.common,
 592        &ac_dig_clk.common,
 593        &avs_clk.common,
 594        &hdmi_clk.common,
 595        &hdmi_ddc_clk.common,
 596        &mbus_clk.common,
 597        &gpu_clk.common,
 598};
 599
 600/* We hardcode the divider to 4 for now */
 601static CLK_FIXED_FACTOR(pll_audio_clk, "pll-audio",
 602                        "pll-audio-base", 4, 1, CLK_SET_RATE_PARENT);
 603static CLK_FIXED_FACTOR(pll_audio_2x_clk, "pll-audio-2x",
 604                        "pll-audio-base", 2, 1, CLK_SET_RATE_PARENT);
 605static CLK_FIXED_FACTOR(pll_audio_4x_clk, "pll-audio-4x",
 606                        "pll-audio-base", 1, 1, CLK_SET_RATE_PARENT);
 607static CLK_FIXED_FACTOR(pll_audio_8x_clk, "pll-audio-8x",
 608                        "pll-audio-base", 1, 2, CLK_SET_RATE_PARENT);
 609static CLK_FIXED_FACTOR(pll_periph0_2x_clk, "pll-periph0-2x",
 610                        "pll-periph0", 1, 2, 0);
 611
 612static struct clk_hw_onecell_data sun8i_h3_hw_clks = {
 613        .hws    = {
 614                [CLK_PLL_CPUX]          = &pll_cpux_clk.common.hw,
 615                [CLK_PLL_AUDIO_BASE]    = &pll_audio_base_clk.common.hw,
 616                [CLK_PLL_AUDIO]         = &pll_audio_clk.hw,
 617                [CLK_PLL_AUDIO_2X]      = &pll_audio_2x_clk.hw,
 618                [CLK_PLL_AUDIO_4X]      = &pll_audio_4x_clk.hw,
 619                [CLK_PLL_AUDIO_8X]      = &pll_audio_8x_clk.hw,
 620                [CLK_PLL_VIDEO]         = &pll_video_clk.common.hw,
 621                [CLK_PLL_VE]            = &pll_ve_clk.common.hw,
 622                [CLK_PLL_DDR]           = &pll_ddr_clk.common.hw,
 623                [CLK_PLL_PERIPH0]       = &pll_periph0_clk.common.hw,
 624                [CLK_PLL_PERIPH0_2X]    = &pll_periph0_2x_clk.hw,
 625                [CLK_PLL_GPU]           = &pll_gpu_clk.common.hw,
 626                [CLK_PLL_PERIPH1]       = &pll_periph1_clk.common.hw,
 627                [CLK_PLL_DE]            = &pll_de_clk.common.hw,
 628                [CLK_CPUX]              = &cpux_clk.common.hw,
 629                [CLK_AXI]               = &axi_clk.common.hw,
 630                [CLK_AHB1]              = &ahb1_clk.common.hw,
 631                [CLK_APB1]              = &apb1_clk.common.hw,
 632                [CLK_APB2]              = &apb2_clk.common.hw,
 633                [CLK_AHB2]              = &ahb2_clk.common.hw,
 634                [CLK_BUS_CE]            = &bus_ce_clk.common.hw,
 635                [CLK_BUS_DMA]           = &bus_dma_clk.common.hw,
 636                [CLK_BUS_MMC0]          = &bus_mmc0_clk.common.hw,
 637                [CLK_BUS_MMC1]          = &bus_mmc1_clk.common.hw,
 638                [CLK_BUS_MMC2]          = &bus_mmc2_clk.common.hw,
 639                [CLK_BUS_NAND]          = &bus_nand_clk.common.hw,
 640                [CLK_BUS_DRAM]          = &bus_dram_clk.common.hw,
 641                [CLK_BUS_EMAC]          = &bus_emac_clk.common.hw,
 642                [CLK_BUS_TS]            = &bus_ts_clk.common.hw,
 643                [CLK_BUS_HSTIMER]       = &bus_hstimer_clk.common.hw,
 644                [CLK_BUS_SPI0]          = &bus_spi0_clk.common.hw,
 645                [CLK_BUS_SPI1]          = &bus_spi1_clk.common.hw,
 646                [CLK_BUS_OTG]           = &bus_otg_clk.common.hw,
 647                [CLK_BUS_EHCI0]         = &bus_ehci0_clk.common.hw,
 648                [CLK_BUS_EHCI1]         = &bus_ehci1_clk.common.hw,
 649                [CLK_BUS_EHCI2]         = &bus_ehci2_clk.common.hw,
 650                [CLK_BUS_EHCI3]         = &bus_ehci3_clk.common.hw,
 651                [CLK_BUS_OHCI0]         = &bus_ohci0_clk.common.hw,
 652                [CLK_BUS_OHCI1]         = &bus_ohci1_clk.common.hw,
 653                [CLK_BUS_OHCI2]         = &bus_ohci2_clk.common.hw,
 654                [CLK_BUS_OHCI3]         = &bus_ohci3_clk.common.hw,
 655                [CLK_BUS_VE]            = &bus_ve_clk.common.hw,
 656                [CLK_BUS_TCON0]         = &bus_tcon0_clk.common.hw,
 657                [CLK_BUS_TCON1]         = &bus_tcon1_clk.common.hw,
 658                [CLK_BUS_DEINTERLACE]   = &bus_deinterlace_clk.common.hw,
 659                [CLK_BUS_CSI]           = &bus_csi_clk.common.hw,
 660                [CLK_BUS_TVE]           = &bus_tve_clk.common.hw,
 661                [CLK_BUS_HDMI]          = &bus_hdmi_clk.common.hw,
 662                [CLK_BUS_DE]            = &bus_de_clk.common.hw,
 663                [CLK_BUS_GPU]           = &bus_gpu_clk.common.hw,
 664                [CLK_BUS_MSGBOX]        = &bus_msgbox_clk.common.hw,
 665                [CLK_BUS_SPINLOCK]      = &bus_spinlock_clk.common.hw,
 666                [CLK_BUS_CODEC]         = &bus_codec_clk.common.hw,
 667                [CLK_BUS_SPDIF]         = &bus_spdif_clk.common.hw,
 668                [CLK_BUS_PIO]           = &bus_pio_clk.common.hw,
 669                [CLK_BUS_THS]           = &bus_ths_clk.common.hw,
 670                [CLK_BUS_I2S0]          = &bus_i2s0_clk.common.hw,
 671                [CLK_BUS_I2S1]          = &bus_i2s1_clk.common.hw,
 672                [CLK_BUS_I2S2]          = &bus_i2s2_clk.common.hw,
 673                [CLK_BUS_I2C0]          = &bus_i2c0_clk.common.hw,
 674                [CLK_BUS_I2C1]          = &bus_i2c1_clk.common.hw,
 675                [CLK_BUS_I2C2]          = &bus_i2c2_clk.common.hw,
 676                [CLK_BUS_UART0]         = &bus_uart0_clk.common.hw,
 677                [CLK_BUS_UART1]         = &bus_uart1_clk.common.hw,
 678                [CLK_BUS_UART2]         = &bus_uart2_clk.common.hw,
 679                [CLK_BUS_UART3]         = &bus_uart3_clk.common.hw,
 680                [CLK_BUS_SCR]           = &bus_scr_clk.common.hw,
 681                [CLK_BUS_EPHY]          = &bus_ephy_clk.common.hw,
 682                [CLK_BUS_DBG]           = &bus_dbg_clk.common.hw,
 683                [CLK_THS]               = &ths_clk.common.hw,
 684                [CLK_NAND]              = &nand_clk.common.hw,
 685                [CLK_MMC0]              = &mmc0_clk.common.hw,
 686                [CLK_MMC0_SAMPLE]       = &mmc0_sample_clk.common.hw,
 687                [CLK_MMC0_OUTPUT]       = &mmc0_output_clk.common.hw,
 688                [CLK_MMC1]              = &mmc1_clk.common.hw,
 689                [CLK_MMC1_SAMPLE]       = &mmc1_sample_clk.common.hw,
 690                [CLK_MMC1_OUTPUT]       = &mmc1_output_clk.common.hw,
 691                [CLK_MMC2]              = &mmc2_clk.common.hw,
 692                [CLK_MMC2_SAMPLE]       = &mmc2_sample_clk.common.hw,
 693                [CLK_MMC2_OUTPUT]       = &mmc2_output_clk.common.hw,
 694                [CLK_TS]                = &ts_clk.common.hw,
 695                [CLK_CE]                = &ce_clk.common.hw,
 696                [CLK_SPI0]              = &spi0_clk.common.hw,
 697                [CLK_SPI1]              = &spi1_clk.common.hw,
 698                [CLK_I2S0]              = &i2s0_clk.common.hw,
 699                [CLK_I2S1]              = &i2s1_clk.common.hw,
 700                [CLK_I2S2]              = &i2s2_clk.common.hw,
 701                [CLK_SPDIF]             = &spdif_clk.common.hw,
 702                [CLK_USB_PHY0]          = &usb_phy0_clk.common.hw,
 703                [CLK_USB_PHY1]          = &usb_phy1_clk.common.hw,
 704                [CLK_USB_PHY2]          = &usb_phy2_clk.common.hw,
 705                [CLK_USB_PHY3]          = &usb_phy3_clk.common.hw,
 706                [CLK_USB_OHCI0]         = &usb_ohci0_clk.common.hw,
 707                [CLK_USB_OHCI1]         = &usb_ohci1_clk.common.hw,
 708                [CLK_USB_OHCI2]         = &usb_ohci2_clk.common.hw,
 709                [CLK_USB_OHCI3]         = &usb_ohci3_clk.common.hw,
 710                [CLK_DRAM]              = &dram_clk.common.hw,
 711                [CLK_DRAM_VE]           = &dram_ve_clk.common.hw,
 712                [CLK_DRAM_CSI]          = &dram_csi_clk.common.hw,
 713                [CLK_DRAM_DEINTERLACE]  = &dram_deinterlace_clk.common.hw,
 714                [CLK_DRAM_TS]           = &dram_ts_clk.common.hw,
 715                [CLK_DE]                = &de_clk.common.hw,
 716                [CLK_TCON0]             = &tcon_clk.common.hw,
 717                [CLK_TVE]               = &tve_clk.common.hw,
 718                [CLK_DEINTERLACE]       = &deinterlace_clk.common.hw,
 719                [CLK_CSI_MISC]          = &csi_misc_clk.common.hw,
 720                [CLK_CSI_SCLK]          = &csi_sclk_clk.common.hw,
 721                [CLK_CSI_MCLK]          = &csi_mclk_clk.common.hw,
 722                [CLK_VE]                = &ve_clk.common.hw,
 723                [CLK_AC_DIG]            = &ac_dig_clk.common.hw,
 724                [CLK_AVS]               = &avs_clk.common.hw,
 725                [CLK_HDMI]              = &hdmi_clk.common.hw,
 726                [CLK_HDMI_DDC]          = &hdmi_ddc_clk.common.hw,
 727                [CLK_MBUS]              = &mbus_clk.common.hw,
 728                [CLK_GPU]               = &gpu_clk.common.hw,
 729        },
 730        .num    = CLK_NUMBER,
 731};
 732
 733static struct ccu_reset_map sun8i_h3_ccu_resets[] = {
 734        [RST_USB_PHY0]          =  { 0x0cc, BIT(0) },
 735        [RST_USB_PHY1]          =  { 0x0cc, BIT(1) },
 736        [RST_USB_PHY2]          =  { 0x0cc, BIT(2) },
 737        [RST_USB_PHY3]          =  { 0x0cc, BIT(3) },
 738
 739        [RST_MBUS]              =  { 0x0fc, BIT(31) },
 740
 741        [RST_BUS_CE]            =  { 0x2c0, BIT(5) },
 742        [RST_BUS_DMA]           =  { 0x2c0, BIT(6) },
 743        [RST_BUS_MMC0]          =  { 0x2c0, BIT(8) },
 744        [RST_BUS_MMC1]          =  { 0x2c0, BIT(9) },
 745        [RST_BUS_MMC2]          =  { 0x2c0, BIT(10) },
 746        [RST_BUS_NAND]          =  { 0x2c0, BIT(13) },
 747        [RST_BUS_DRAM]          =  { 0x2c0, BIT(14) },
 748        [RST_BUS_EMAC]          =  { 0x2c0, BIT(17) },
 749        [RST_BUS_TS]            =  { 0x2c0, BIT(18) },
 750        [RST_BUS_HSTIMER]       =  { 0x2c0, BIT(19) },
 751        [RST_BUS_SPI0]          =  { 0x2c0, BIT(20) },
 752        [RST_BUS_SPI1]          =  { 0x2c0, BIT(21) },
 753        [RST_BUS_OTG]           =  { 0x2c0, BIT(23) },
 754        [RST_BUS_EHCI0]         =  { 0x2c0, BIT(24) },
 755        [RST_BUS_EHCI1]         =  { 0x2c0, BIT(25) },
 756        [RST_BUS_EHCI2]         =  { 0x2c0, BIT(26) },
 757        [RST_BUS_EHCI3]         =  { 0x2c0, BIT(27) },
 758        [RST_BUS_OHCI0]         =  { 0x2c0, BIT(28) },
 759        [RST_BUS_OHCI1]         =  { 0x2c0, BIT(29) },
 760        [RST_BUS_OHCI2]         =  { 0x2c0, BIT(30) },
 761        [RST_BUS_OHCI3]         =  { 0x2c0, BIT(31) },
 762
 763        [RST_BUS_VE]            =  { 0x2c4, BIT(0) },
 764        [RST_BUS_TCON0]         =  { 0x2c4, BIT(3) },
 765        [RST_BUS_TCON1]         =  { 0x2c4, BIT(4) },
 766        [RST_BUS_DEINTERLACE]   =  { 0x2c4, BIT(5) },
 767        [RST_BUS_CSI]           =  { 0x2c4, BIT(8) },
 768        [RST_BUS_TVE]           =  { 0x2c4, BIT(9) },
 769        [RST_BUS_HDMI0]         =  { 0x2c4, BIT(10) },
 770        [RST_BUS_HDMI1]         =  { 0x2c4, BIT(11) },
 771        [RST_BUS_DE]            =  { 0x2c4, BIT(12) },
 772        [RST_BUS_GPU]           =  { 0x2c4, BIT(20) },
 773        [RST_BUS_MSGBOX]        =  { 0x2c4, BIT(21) },
 774        [RST_BUS_SPINLOCK]      =  { 0x2c4, BIT(22) },
 775        [RST_BUS_DBG]           =  { 0x2c4, BIT(31) },
 776
 777        [RST_BUS_EPHY]          =  { 0x2c8, BIT(2) },
 778
 779        [RST_BUS_CODEC]         =  { 0x2d0, BIT(0) },
 780        [RST_BUS_SPDIF]         =  { 0x2d0, BIT(1) },
 781        [RST_BUS_THS]           =  { 0x2d0, BIT(8) },
 782        [RST_BUS_I2S0]          =  { 0x2d0, BIT(12) },
 783        [RST_BUS_I2S1]          =  { 0x2d0, BIT(13) },
 784        [RST_BUS_I2S2]          =  { 0x2d0, BIT(14) },
 785
 786        [RST_BUS_I2C0]          =  { 0x2d8, BIT(0) },
 787        [RST_BUS_I2C1]          =  { 0x2d8, BIT(1) },
 788        [RST_BUS_I2C2]          =  { 0x2d8, BIT(2) },
 789        [RST_BUS_UART0]         =  { 0x2d8, BIT(16) },
 790        [RST_BUS_UART1]         =  { 0x2d8, BIT(17) },
 791        [RST_BUS_UART2]         =  { 0x2d8, BIT(18) },
 792        [RST_BUS_UART3]         =  { 0x2d8, BIT(19) },
 793        [RST_BUS_SCR]           =  { 0x2d8, BIT(20) },
 794};
 795
 796static const struct sunxi_ccu_desc sun8i_h3_ccu_desc = {
 797        .ccu_clks       = sun8i_h3_ccu_clks,
 798        .num_ccu_clks   = ARRAY_SIZE(sun8i_h3_ccu_clks),
 799
 800        .hw_clks        = &sun8i_h3_hw_clks,
 801
 802        .resets         = sun8i_h3_ccu_resets,
 803        .num_resets     = ARRAY_SIZE(sun8i_h3_ccu_resets),
 804};
 805
 806static struct ccu_mux_nb sun8i_h3_cpu_nb = {
 807        .common         = &cpux_clk.common,
 808        .cm             = &cpux_clk.mux,
 809        .delay_us       = 1, /* > 8 clock cycles at 24 MHz */
 810        .bypass_index   = 1, /* index of 24 MHz oscillator */
 811};
 812
 813static void __init sun8i_h3_ccu_setup(struct device_node *node)
 814{
 815        void __iomem *reg;
 816        u32 val;
 817
 818        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
 819        if (IS_ERR(reg)) {
 820                pr_err("%s: Could not map the clock registers\n",
 821                       of_node_full_name(node));
 822                return;
 823        }
 824
 825        /* Force the PLL-Audio-1x divider to 4 */
 826        val = readl(reg + SUN8I_H3_PLL_AUDIO_REG);
 827        val &= ~GENMASK(19, 16);
 828        writel(val | (3 << 16), reg + SUN8I_H3_PLL_AUDIO_REG);
 829
 830        sunxi_ccu_probe(node, reg, &sun8i_h3_ccu_desc);
 831
 832        ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk,
 833                                  &sun8i_h3_cpu_nb);
 834}
 835CLK_OF_DECLARE(sun8i_h3_ccu, "allwinner,sun8i-h3-ccu",
 836               sun8i_h3_ccu_setup);
 837