linux/drivers/clk/sunxi-ng/ccu-sun8i-a33.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-a23-a33.h"
  31
  32static struct ccu_nkmp pll_cpux_clk = {
  33        .enable = BIT(31),
  34        .lock   = BIT(28),
  35
  36        .n      = _SUNXI_CCU_MULT(8, 5),
  37        .k      = _SUNXI_CCU_MULT(4, 2),
  38        .m      = _SUNXI_CCU_DIV(0, 2),
  39        .p      = _SUNXI_CCU_DIV_MAX(16, 2, 4),
  40
  41        .common = {
  42                .reg            = 0x000,
  43                .hw.init        = CLK_HW_INIT("pll-cpux", "osc24M",
  44                                              &ccu_nkmp_ops,
  45                                              0),
  46        },
  47};
  48
  49/*
  50 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
  51 * the base (2x, 4x and 8x), and one variable divider (the one true
  52 * pll audio).
  53 *
  54 * We don't have any need for the variable divider for now, so we just
  55 * hardcode it to match with the clock names
  56 */
  57#define SUN8I_A33_PLL_AUDIO_REG 0x008
  58
  59static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
  60                                   "osc24M", 0x008,
  61                                   8, 7,                /* N */
  62                                   0, 5,                /* M */
  63                                   BIT(31),             /* gate */
  64                                   BIT(28),             /* lock */
  65                                   CLK_SET_RATE_UNGATE);
  66
  67static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video",
  68                                        "osc24M", 0x010,
  69                                        8, 7,           /* N */
  70                                        0, 4,           /* M */
  71                                        BIT(24),        /* frac enable */
  72                                        BIT(25),        /* frac select */
  73                                        270000000,      /* frac rate 0 */
  74                                        297000000,      /* frac rate 1 */
  75                                        BIT(31),        /* gate */
  76                                        BIT(28),        /* lock */
  77                                        CLK_SET_RATE_UNGATE);
  78
  79static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
  80                                        "osc24M", 0x018,
  81                                        8, 7,           /* N */
  82                                        0, 4,           /* M */
  83                                        BIT(24),        /* frac enable */
  84                                        BIT(25),        /* frac select */
  85                                        270000000,      /* frac rate 0 */
  86                                        297000000,      /* frac rate 1 */
  87                                        BIT(31),        /* gate */
  88                                        BIT(28),        /* lock */
  89                                        CLK_SET_RATE_UNGATE);
  90
  91static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0",
  92                                    "osc24M", 0x020,
  93                                    8, 5,               /* N */
  94                                    4, 2,               /* K */
  95                                    0, 2,               /* M */
  96                                    BIT(31),            /* gate */
  97                                    BIT(28),            /* lock */
  98                                    0);
  99
 100static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph_clk, "pll-periph",
 101                                           "osc24M", 0x028,
 102                                           8, 5,        /* N */
 103                                           4, 2,        /* K */
 104                                           BIT(31),     /* gate */
 105                                           BIT(28),     /* lock */
 106                                           2,           /* post-div */
 107                                           CLK_SET_RATE_UNGATE);
 108
 109static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
 110                                        "osc24M", 0x038,
 111                                        8, 7,           /* N */
 112                                        0, 4,           /* M */
 113                                        BIT(24),        /* frac enable */
 114                                        BIT(25),        /* frac select */
 115                                        270000000,      /* frac rate 0 */
 116                                        297000000,      /* frac rate 1 */
 117                                        BIT(31),        /* gate */
 118                                        BIT(28),        /* lock */
 119                                        CLK_SET_RATE_UNGATE);
 120
 121/*
 122 * The MIPI PLL has 2 modes: "MIPI" and "HDMI".
 123 *
 124 * The MIPI mode is a standard NKM-style clock. The HDMI mode is an
 125 * integer / fractional clock with switchable multipliers and dividers.
 126 * This is not supported here. We hardcode the PLL to MIPI mode.
 127 */
 128#define SUN8I_A33_PLL_MIPI_REG  0x040
 129static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi",
 130                                    "pll-video", 0x040,
 131                                    8, 4,               /* N */
 132                                    4, 2,               /* K */
 133                                    0, 4,               /* M */
 134                                    BIT(31) | BIT(23) | BIT(22), /* gate */
 135                                    BIT(28),            /* lock */
 136                                    CLK_SET_RATE_UNGATE);
 137
 138static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic",
 139                                        "osc24M", 0x044,
 140                                        8, 7,           /* N */
 141                                        0, 4,           /* M */
 142                                        BIT(24),        /* frac enable */
 143                                        BIT(25),        /* frac select */
 144                                        270000000,      /* frac rate 0 */
 145                                        297000000,      /* frac rate 1 */
 146                                        BIT(31),        /* gate */
 147                                        BIT(28),        /* lock */
 148                                        CLK_SET_RATE_UNGATE);
 149
 150static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
 151                                        "osc24M", 0x048,
 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_mult pll_ddr1_clk = {
 163        .enable = BIT(31),
 164        .lock   = BIT(28),
 165        .mult   = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 6, 0, 12, 0),
 166        .common = {
 167                .reg            = 0x04c,
 168                .hw.init        = CLK_HW_INIT("pll-ddr1", "osc24M",
 169                                              &ccu_mult_ops,
 170                                              CLK_SET_RATE_UNGATE),
 171        },
 172};
 173
 174static const char * const cpux_parents[] = { "osc32k", "osc24M",
 175                                             "pll-cpux" , "pll-cpux" };
 176static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
 177                     0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT);
 178
 179static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0);
 180
 181static const char * const ahb1_parents[] = { "osc32k", "osc24M",
 182                                             "axi" , "pll-periph" };
 183static const struct ccu_mux_var_prediv ahb1_predivs[] = {
 184        { .index = 3, .shift = 6, .width = 2 },
 185};
 186static struct ccu_div ahb1_clk = {
 187        .div            = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
 188
 189        .mux            = {
 190                .shift  = 12,
 191                .width  = 2,
 192
 193                .var_predivs    = ahb1_predivs,
 194                .n_var_predivs  = ARRAY_SIZE(ahb1_predivs),
 195        },
 196
 197        .common         = {
 198                .reg            = 0x054,
 199                .features       = CCU_FEATURE_VARIABLE_PREDIV,
 200                .hw.init        = CLK_HW_INIT_PARENTS("ahb1",
 201                                                      ahb1_parents,
 202                                                      &ccu_div_ops,
 203                                                      0),
 204        },
 205};
 206
 207static struct clk_div_table apb1_div_table[] = {
 208        { .val = 0, .div = 2 },
 209        { .val = 1, .div = 2 },
 210        { .val = 2, .div = 4 },
 211        { .val = 3, .div = 8 },
 212        { /* Sentinel */ },
 213};
 214static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
 215                           0x054, 8, 2, apb1_div_table, 0);
 216
 217static const char * const apb2_parents[] = { "osc32k", "osc24M",
 218                                             "pll-periph" , "pll-periph" };
 219static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
 220                             0, 5,      /* M */
 221                             16, 2,     /* P */
 222                             24, 2,     /* mux */
 223                             0);
 224
 225static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1",
 226                      0x060, BIT(1), 0);
 227static SUNXI_CCU_GATE(bus_ss_clk,       "bus-ss",       "ahb1",
 228                      0x060, BIT(5), 0);
 229static SUNXI_CCU_GATE(bus_dma_clk,      "bus-dma",      "ahb1",
 230                      0x060, BIT(6), 0);
 231static SUNXI_CCU_GATE(bus_mmc0_clk,     "bus-mmc0",     "ahb1",
 232                      0x060, BIT(8), 0);
 233static SUNXI_CCU_GATE(bus_mmc1_clk,     "bus-mmc1",     "ahb1",
 234                      0x060, BIT(9), 0);
 235static SUNXI_CCU_GATE(bus_mmc2_clk,     "bus-mmc2",     "ahb1",
 236                      0x060, BIT(10), 0);
 237static SUNXI_CCU_GATE(bus_nand_clk,     "bus-nand",     "ahb1",
 238                      0x060, BIT(13), 0);
 239static SUNXI_CCU_GATE(bus_dram_clk,     "bus-dram",     "ahb1",
 240                      0x060, BIT(14), 0);
 241static SUNXI_CCU_GATE(bus_hstimer_clk,  "bus-hstimer",  "ahb1",
 242                      0x060, BIT(19), 0);
 243static SUNXI_CCU_GATE(bus_spi0_clk,     "bus-spi0",     "ahb1",
 244                      0x060, BIT(20), 0);
 245static SUNXI_CCU_GATE(bus_spi1_clk,     "bus-spi1",     "ahb1",
 246                      0x060, BIT(21), 0);
 247static SUNXI_CCU_GATE(bus_otg_clk,      "bus-otg",      "ahb1",
 248                      0x060, BIT(24), 0);
 249static SUNXI_CCU_GATE(bus_ehci_clk,     "bus-ehci",     "ahb1",
 250                      0x060, BIT(26), 0);
 251static SUNXI_CCU_GATE(bus_ohci_clk,     "bus-ohci",     "ahb1",
 252                      0x060, BIT(29), 0);
 253
 254static SUNXI_CCU_GATE(bus_ve_clk,       "bus-ve",       "ahb1",
 255                      0x064, BIT(0), 0);
 256static SUNXI_CCU_GATE(bus_lcd_clk,      "bus-lcd",      "ahb1",
 257                      0x064, BIT(4), 0);
 258static SUNXI_CCU_GATE(bus_csi_clk,      "bus-csi",      "ahb1",
 259                      0x064, BIT(8), 0);
 260static SUNXI_CCU_GATE(bus_de_be_clk,    "bus-de-be",    "ahb1",
 261                      0x064, BIT(12), 0);
 262static SUNXI_CCU_GATE(bus_de_fe_clk,    "bus-de-fe",    "ahb1",
 263                      0x064, BIT(14), 0);
 264static SUNXI_CCU_GATE(bus_gpu_clk,      "bus-gpu",      "ahb1",
 265                      0x064, BIT(20), 0);
 266static SUNXI_CCU_GATE(bus_msgbox_clk,   "bus-msgbox",   "ahb1",
 267                      0x064, BIT(21), 0);
 268static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
 269                      0x064, BIT(22), 0);
 270static SUNXI_CCU_GATE(bus_drc_clk,      "bus-drc",      "ahb1",
 271                      0x064, BIT(25), 0);
 272static SUNXI_CCU_GATE(bus_sat_clk,      "bus-sat",      "ahb1",
 273                      0x064, BIT(26), 0);
 274
 275static SUNXI_CCU_GATE(bus_codec_clk,    "bus-codec",    "apb1",
 276                      0x068, BIT(0), 0);
 277static SUNXI_CCU_GATE(bus_pio_clk,      "bus-pio",      "apb1",
 278                      0x068, BIT(5), 0);
 279static SUNXI_CCU_GATE(bus_i2s0_clk,     "bus-i2s0",     "apb1",
 280                      0x068, BIT(12), 0);
 281static SUNXI_CCU_GATE(bus_i2s1_clk,     "bus-i2s1",     "apb1",
 282                      0x068, BIT(13), 0);
 283
 284static SUNXI_CCU_GATE(bus_i2c0_clk,     "bus-i2c0",     "apb2",
 285                      0x06c, BIT(0), 0);
 286static SUNXI_CCU_GATE(bus_i2c1_clk,     "bus-i2c1",     "apb2",
 287                      0x06c, BIT(1), 0);
 288static SUNXI_CCU_GATE(bus_i2c2_clk,     "bus-i2c2",     "apb2",
 289                      0x06c, BIT(2), 0);
 290static SUNXI_CCU_GATE(bus_uart0_clk,    "bus-uart0",    "apb2",
 291                      0x06c, BIT(16), 0);
 292static SUNXI_CCU_GATE(bus_uart1_clk,    "bus-uart1",    "apb2",
 293                      0x06c, BIT(17), 0);
 294static SUNXI_CCU_GATE(bus_uart2_clk,    "bus-uart2",    "apb2",
 295                      0x06c, BIT(18), 0);
 296static SUNXI_CCU_GATE(bus_uart3_clk,    "bus-uart3",    "apb2",
 297                      0x06c, BIT(19), 0);
 298static SUNXI_CCU_GATE(bus_uart4_clk,    "bus-uart4",    "apb2",
 299                      0x06c, BIT(20), 0);
 300
 301static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" };
 302static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
 303                                  0, 4,         /* M */
 304                                  16, 2,        /* P */
 305                                  24, 2,        /* mux */
 306                                  BIT(31),      /* gate */
 307                                  0);
 308
 309static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
 310                                  0, 4,         /* M */
 311                                  16, 2,        /* P */
 312                                  24, 2,        /* mux */
 313                                  BIT(31),      /* gate */
 314                                  0);
 315
 316static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0",
 317                       0x088, 20, 3, 0);
 318static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0",
 319                       0x088, 8, 3, 0);
 320
 321static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
 322                                  0, 4,         /* M */
 323                                  16, 2,        /* P */
 324                                  24, 2,        /* mux */
 325                                  BIT(31),      /* gate */
 326                                  0);
 327
 328static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1",
 329                       0x08c, 20, 3, 0);
 330static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1",
 331                       0x08c, 8, 3, 0);
 332
 333static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090,
 334                                  0, 4,         /* M */
 335                                  16, 2,        /* P */
 336                                  24, 2,        /* mux */
 337                                  BIT(31),      /* gate */
 338                                  0);
 339
 340static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2",
 341                       0x090, 20, 3, 0);
 342static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2",
 343                       0x090, 8, 3, 0);
 344
 345static SUNXI_CCU_MP_WITH_MUX_GATE(ss_clk, "ss", mod0_default_parents, 0x09c,
 346                                  0, 4,         /* M */
 347                                  16, 2,        /* P */
 348                                  24, 2,        /* mux */
 349                                  BIT(31),      /* gate */
 350                                  0);
 351
 352static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
 353                                  0, 4,         /* M */
 354                                  16, 2,        /* P */
 355                                  24, 2,        /* mux */
 356                                  BIT(31),      /* gate */
 357                                  0);
 358
 359static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
 360                                  0, 4,         /* M */
 361                                  16, 2,        /* P */
 362                                  24, 2,        /* mux */
 363                                  BIT(31),      /* gate */
 364                                  0);
 365
 366static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
 367                                            "pll-audio-2x", "pll-audio" };
 368static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
 369                               0x0b0, 16, 2, BIT(31), 0);
 370
 371static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
 372                               0x0b4, 16, 2, BIT(31), 0);
 373
 374/* TODO: the parent for most of the USB clocks is not known */
 375static SUNXI_CCU_GATE(usb_phy0_clk,     "usb-phy0",     "osc24M",
 376                      0x0cc, BIT(8), 0);
 377static SUNXI_CCU_GATE(usb_phy1_clk,     "usb-phy1",     "osc24M",
 378                      0x0cc, BIT(9), 0);
 379static SUNXI_CCU_GATE(usb_hsic_clk,     "usb-hsic",     "pll-hsic",
 380                      0x0cc, BIT(10), 0);
 381static SUNXI_CCU_GATE(usb_hsic_12M_clk, "usb-hsic-12M", "osc24M",
 382                      0x0cc, BIT(11), 0);
 383static SUNXI_CCU_GATE(usb_ohci_clk,     "usb-ohci",     "osc24M",
 384                      0x0cc, BIT(16), 0);
 385
 386static SUNXI_CCU_M(dram_clk, "dram", "pll-ddr",
 387                   0x0f4, 0, 4, CLK_IS_CRITICAL);
 388
 389static const char * const pll_ddr_parents[] = { "pll-ddr0", "pll-ddr1" };
 390static SUNXI_CCU_MUX(pll_ddr_clk, "pll-ddr", pll_ddr_parents,
 391                     0x0f8, 16, 1, 0);
 392
 393static SUNXI_CCU_GATE(dram_ve_clk,      "dram-ve",      "dram",
 394                      0x100, BIT(0), 0);
 395static SUNXI_CCU_GATE(dram_csi_clk,     "dram-csi",     "dram",
 396                      0x100, BIT(1), 0);
 397static SUNXI_CCU_GATE(dram_drc_clk,     "dram-drc",     "dram",
 398                      0x100, BIT(16), 0);
 399static SUNXI_CCU_GATE(dram_de_fe_clk,   "dram-de-fe",   "dram",
 400                      0x100, BIT(24), 0);
 401static SUNXI_CCU_GATE(dram_de_be_clk,   "dram-de-be",   "dram",
 402                      0x100, BIT(26), 0);
 403
 404static const char * const de_parents[] = { "pll-video", "pll-periph-2x",
 405                                           "pll-gpu", "pll-de" };
 406static const u8 de_table[] = { 0, 2, 3, 5 };
 407static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be",
 408                                       de_parents, de_table,
 409                                       0x104, 0, 4, 24, 3, BIT(31), 0);
 410
 411static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe",
 412                                       de_parents, de_table,
 413                                       0x10c, 0, 4, 24, 3, BIT(31), 0);
 414
 415static const char * const lcd_ch0_parents[] = { "pll-video", "pll-video-2x",
 416                                                "pll-mipi" };
 417static const u8 lcd_ch0_table[] = { 0, 2, 4 };
 418static SUNXI_CCU_MUX_TABLE_WITH_GATE(lcd_ch0_clk, "lcd-ch0",
 419                                     lcd_ch0_parents, lcd_ch0_table,
 420                                     0x118, 24, 3, BIT(31),
 421                                     CLK_SET_RATE_PARENT);
 422
 423static const char * const lcd_ch1_parents[] = { "pll-video", "pll-video-2x" };
 424static const u8 lcd_ch1_table[] = { 0, 2 };
 425static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd_ch1_clk, "lcd-ch1",
 426                                       lcd_ch1_parents, lcd_ch1_table,
 427                                       0x12c, 0, 4, 24, 2, BIT(31), 0);
 428
 429static const char * const csi_sclk_parents[] = { "pll-video", "pll-de",
 430                                                 "pll-mipi", "pll-ve" };
 431static const u8 csi_sclk_table[] = { 0, 3, 4, 5 };
 432static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk",
 433                                       csi_sclk_parents, csi_sclk_table,
 434                                       0x134, 16, 4, 24, 3, BIT(31), 0);
 435
 436static const char * const csi_mclk_parents[] = { "pll-video", "pll-de",
 437                                                 "osc24M" };
 438static const u8 csi_mclk_table[] = { 0, 3, 5 };
 439static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk",
 440                                       csi_mclk_parents, csi_mclk_table,
 441                                       0x134, 0, 5, 8, 3, BIT(15), 0);
 442
 443static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
 444                             0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT);
 445
 446static SUNXI_CCU_GATE(ac_dig_clk,       "ac-dig",       "pll-audio",
 447                      0x140, BIT(31), CLK_SET_RATE_PARENT);
 448static SUNXI_CCU_GATE(ac_dig_4x_clk,    "ac-dig-4x",    "pll-audio-4x",
 449                      0x140, BIT(30), 0);
 450static SUNXI_CCU_GATE(avs_clk,          "avs",          "osc24M",
 451                      0x144, BIT(31), 0);
 452
 453static const char * const mbus_parents[] = { "osc24M", "pll-periph-2x",
 454                                             "pll-ddr0", "pll-ddr1" };
 455static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
 456                                 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL);
 457
 458static const char * const dsi_sclk_parents[] = { "pll-video", "pll-video-2x" };
 459static const u8 dsi_sclk_table[] = { 0, 2 };
 460static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_sclk_clk, "dsi-sclk",
 461                                       dsi_sclk_parents, dsi_sclk_table,
 462                                       0x168, 16, 4, 24, 2, BIT(31), 0);
 463
 464static const char * const dsi_dphy_parents[] = { "pll-video", "pll-periph" };
 465static const u8 dsi_dphy_table[] = { 0, 2 };
 466static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy",
 467                                       dsi_dphy_parents, dsi_dphy_table,
 468                                       0x168, 0, 4, 8, 2, BIT(15), 0);
 469
 470static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk, "drc",
 471                                       de_parents, de_table,
 472                                       0x180, 0, 4, 24, 3, BIT(31), 0);
 473
 474static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
 475                             0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT);
 476
 477static const char * const ats_parents[] = { "osc24M", "pll-periph" };
 478static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", ats_parents,
 479                                 0x1b0, 0, 3, 24, 2, BIT(31), 0);
 480
 481static struct ccu_common *sun8i_a33_ccu_clks[] = {
 482        &pll_cpux_clk.common,
 483        &pll_audio_base_clk.common,
 484        &pll_video_clk.common,
 485        &pll_ve_clk.common,
 486        &pll_ddr0_clk.common,
 487        &pll_periph_clk.common,
 488        &pll_gpu_clk.common,
 489        &pll_mipi_clk.common,
 490        &pll_hsic_clk.common,
 491        &pll_de_clk.common,
 492        &pll_ddr1_clk.common,
 493        &pll_ddr_clk.common,
 494        &cpux_clk.common,
 495        &axi_clk.common,
 496        &ahb1_clk.common,
 497        &apb1_clk.common,
 498        &apb2_clk.common,
 499        &bus_mipi_dsi_clk.common,
 500        &bus_ss_clk.common,
 501        &bus_dma_clk.common,
 502        &bus_mmc0_clk.common,
 503        &bus_mmc1_clk.common,
 504        &bus_mmc2_clk.common,
 505        &bus_nand_clk.common,
 506        &bus_dram_clk.common,
 507        &bus_hstimer_clk.common,
 508        &bus_spi0_clk.common,
 509        &bus_spi1_clk.common,
 510        &bus_otg_clk.common,
 511        &bus_ehci_clk.common,
 512        &bus_ohci_clk.common,
 513        &bus_ve_clk.common,
 514        &bus_lcd_clk.common,
 515        &bus_csi_clk.common,
 516        &bus_de_fe_clk.common,
 517        &bus_de_be_clk.common,
 518        &bus_gpu_clk.common,
 519        &bus_msgbox_clk.common,
 520        &bus_spinlock_clk.common,
 521        &bus_drc_clk.common,
 522        &bus_sat_clk.common,
 523        &bus_codec_clk.common,
 524        &bus_pio_clk.common,
 525        &bus_i2s0_clk.common,
 526        &bus_i2s1_clk.common,
 527        &bus_i2c0_clk.common,
 528        &bus_i2c1_clk.common,
 529        &bus_i2c2_clk.common,
 530        &bus_uart0_clk.common,
 531        &bus_uart1_clk.common,
 532        &bus_uart2_clk.common,
 533        &bus_uart3_clk.common,
 534        &bus_uart4_clk.common,
 535        &nand_clk.common,
 536        &mmc0_clk.common,
 537        &mmc0_sample_clk.common,
 538        &mmc0_output_clk.common,
 539        &mmc1_clk.common,
 540        &mmc1_sample_clk.common,
 541        &mmc1_output_clk.common,
 542        &mmc2_clk.common,
 543        &mmc2_sample_clk.common,
 544        &mmc2_output_clk.common,
 545        &ss_clk.common,
 546        &spi0_clk.common,
 547        &spi1_clk.common,
 548        &i2s0_clk.common,
 549        &i2s1_clk.common,
 550        &usb_phy0_clk.common,
 551        &usb_phy1_clk.common,
 552        &usb_hsic_clk.common,
 553        &usb_hsic_12M_clk.common,
 554        &usb_ohci_clk.common,
 555        &dram_clk.common,
 556        &dram_ve_clk.common,
 557        &dram_csi_clk.common,
 558        &dram_drc_clk.common,
 559        &dram_de_fe_clk.common,
 560        &dram_de_be_clk.common,
 561        &de_be_clk.common,
 562        &de_fe_clk.common,
 563        &lcd_ch0_clk.common,
 564        &lcd_ch1_clk.common,
 565        &csi_sclk_clk.common,
 566        &csi_mclk_clk.common,
 567        &ve_clk.common,
 568        &ac_dig_clk.common,
 569        &ac_dig_4x_clk.common,
 570        &avs_clk.common,
 571        &mbus_clk.common,
 572        &dsi_sclk_clk.common,
 573        &dsi_dphy_clk.common,
 574        &drc_clk.common,
 575        &gpu_clk.common,
 576        &ats_clk.common,
 577};
 578
 579/* We hardcode the divider to 4 for now */
 580static CLK_FIXED_FACTOR(pll_audio_clk, "pll-audio",
 581                        "pll-audio-base", 4, 1, CLK_SET_RATE_PARENT);
 582static CLK_FIXED_FACTOR(pll_audio_2x_clk, "pll-audio-2x",
 583                        "pll-audio-base", 2, 1, CLK_SET_RATE_PARENT);
 584static CLK_FIXED_FACTOR(pll_audio_4x_clk, "pll-audio-4x",
 585                        "pll-audio-base", 1, 1, CLK_SET_RATE_PARENT);
 586static CLK_FIXED_FACTOR(pll_audio_8x_clk, "pll-audio-8x",
 587                        "pll-audio-base", 1, 2, CLK_SET_RATE_PARENT);
 588static CLK_FIXED_FACTOR(pll_periph_2x_clk, "pll-periph-2x",
 589                        "pll-periph", 1, 2, 0);
 590static CLK_FIXED_FACTOR(pll_video_2x_clk, "pll-video-2x",
 591                        "pll-video", 1, 2, 0);
 592
 593static struct clk_hw_onecell_data sun8i_a33_hw_clks = {
 594        .hws    = {
 595                [CLK_PLL_CPUX]          = &pll_cpux_clk.common.hw,
 596                [CLK_PLL_AUDIO_BASE]    = &pll_audio_base_clk.common.hw,
 597                [CLK_PLL_AUDIO]         = &pll_audio_clk.hw,
 598                [CLK_PLL_AUDIO_2X]      = &pll_audio_2x_clk.hw,
 599                [CLK_PLL_AUDIO_4X]      = &pll_audio_4x_clk.hw,
 600                [CLK_PLL_AUDIO_8X]      = &pll_audio_8x_clk.hw,
 601                [CLK_PLL_VIDEO]         = &pll_video_clk.common.hw,
 602                [CLK_PLL_VIDEO_2X]      = &pll_video_2x_clk.hw,
 603                [CLK_PLL_VE]            = &pll_ve_clk.common.hw,
 604                [CLK_PLL_DDR0]          = &pll_ddr0_clk.common.hw,
 605                [CLK_PLL_PERIPH]        = &pll_periph_clk.common.hw,
 606                [CLK_PLL_PERIPH_2X]     = &pll_periph_2x_clk.hw,
 607                [CLK_PLL_GPU]           = &pll_gpu_clk.common.hw,
 608                [CLK_PLL_MIPI]          = &pll_mipi_clk.common.hw,
 609                [CLK_PLL_HSIC]          = &pll_hsic_clk.common.hw,
 610                [CLK_PLL_DE]            = &pll_de_clk.common.hw,
 611                [CLK_PLL_DDR1]          = &pll_ddr1_clk.common.hw,
 612                [CLK_PLL_DDR]           = &pll_ddr_clk.common.hw,
 613                [CLK_CPUX]              = &cpux_clk.common.hw,
 614                [CLK_AXI]               = &axi_clk.common.hw,
 615                [CLK_AHB1]              = &ahb1_clk.common.hw,
 616                [CLK_APB1]              = &apb1_clk.common.hw,
 617                [CLK_APB2]              = &apb2_clk.common.hw,
 618                [CLK_BUS_MIPI_DSI]      = &bus_mipi_dsi_clk.common.hw,
 619                [CLK_BUS_SS]            = &bus_ss_clk.common.hw,
 620                [CLK_BUS_DMA]           = &bus_dma_clk.common.hw,
 621                [CLK_BUS_MMC0]          = &bus_mmc0_clk.common.hw,
 622                [CLK_BUS_MMC1]          = &bus_mmc1_clk.common.hw,
 623                [CLK_BUS_MMC2]          = &bus_mmc2_clk.common.hw,
 624                [CLK_BUS_NAND]          = &bus_nand_clk.common.hw,
 625                [CLK_BUS_DRAM]          = &bus_dram_clk.common.hw,
 626                [CLK_BUS_HSTIMER]       = &bus_hstimer_clk.common.hw,
 627                [CLK_BUS_SPI0]          = &bus_spi0_clk.common.hw,
 628                [CLK_BUS_SPI1]          = &bus_spi1_clk.common.hw,
 629                [CLK_BUS_OTG]           = &bus_otg_clk.common.hw,
 630                [CLK_BUS_EHCI]          = &bus_ehci_clk.common.hw,
 631                [CLK_BUS_OHCI]          = &bus_ohci_clk.common.hw,
 632                [CLK_BUS_VE]            = &bus_ve_clk.common.hw,
 633                [CLK_BUS_LCD]           = &bus_lcd_clk.common.hw,
 634                [CLK_BUS_CSI]           = &bus_csi_clk.common.hw,
 635                [CLK_BUS_DE_BE]         = &bus_de_be_clk.common.hw,
 636                [CLK_BUS_DE_FE]         = &bus_de_fe_clk.common.hw,
 637                [CLK_BUS_GPU]           = &bus_gpu_clk.common.hw,
 638                [CLK_BUS_MSGBOX]        = &bus_msgbox_clk.common.hw,
 639                [CLK_BUS_SPINLOCK]      = &bus_spinlock_clk.common.hw,
 640                [CLK_BUS_DRC]           = &bus_drc_clk.common.hw,
 641                [CLK_BUS_SAT]           = &bus_sat_clk.common.hw,
 642                [CLK_BUS_CODEC]         = &bus_codec_clk.common.hw,
 643                [CLK_BUS_PIO]           = &bus_pio_clk.common.hw,
 644                [CLK_BUS_I2S0]          = &bus_i2s0_clk.common.hw,
 645                [CLK_BUS_I2S1]          = &bus_i2s1_clk.common.hw,
 646                [CLK_BUS_I2C0]          = &bus_i2c0_clk.common.hw,
 647                [CLK_BUS_I2C1]          = &bus_i2c1_clk.common.hw,
 648                [CLK_BUS_I2C2]          = &bus_i2c2_clk.common.hw,
 649                [CLK_BUS_UART0]         = &bus_uart0_clk.common.hw,
 650                [CLK_BUS_UART1]         = &bus_uart1_clk.common.hw,
 651                [CLK_BUS_UART2]         = &bus_uart2_clk.common.hw,
 652                [CLK_BUS_UART3]         = &bus_uart3_clk.common.hw,
 653                [CLK_BUS_UART4]         = &bus_uart4_clk.common.hw,
 654                [CLK_NAND]              = &nand_clk.common.hw,
 655                [CLK_MMC0]              = &mmc0_clk.common.hw,
 656                [CLK_MMC0_SAMPLE]       = &mmc0_sample_clk.common.hw,
 657                [CLK_MMC0_OUTPUT]       = &mmc0_output_clk.common.hw,
 658                [CLK_MMC1]              = &mmc1_clk.common.hw,
 659                [CLK_MMC1_SAMPLE]       = &mmc1_sample_clk.common.hw,
 660                [CLK_MMC1_OUTPUT]       = &mmc1_output_clk.common.hw,
 661                [CLK_MMC2]              = &mmc2_clk.common.hw,
 662                [CLK_MMC2_SAMPLE]       = &mmc2_sample_clk.common.hw,
 663                [CLK_MMC2_OUTPUT]       = &mmc2_output_clk.common.hw,
 664                [CLK_SS]                = &ss_clk.common.hw,
 665                [CLK_SPI0]              = &spi0_clk.common.hw,
 666                [CLK_SPI1]              = &spi1_clk.common.hw,
 667                [CLK_I2S0]              = &i2s0_clk.common.hw,
 668                [CLK_I2S1]              = &i2s1_clk.common.hw,
 669                [CLK_USB_PHY0]          = &usb_phy0_clk.common.hw,
 670                [CLK_USB_PHY1]          = &usb_phy1_clk.common.hw,
 671                [CLK_USB_HSIC]          = &usb_hsic_clk.common.hw,
 672                [CLK_USB_HSIC_12M]      = &usb_hsic_12M_clk.common.hw,
 673                [CLK_USB_OHCI]          = &usb_ohci_clk.common.hw,
 674                [CLK_DRAM]              = &dram_clk.common.hw,
 675                [CLK_DRAM_VE]           = &dram_ve_clk.common.hw,
 676                [CLK_DRAM_CSI]          = &dram_csi_clk.common.hw,
 677                [CLK_DRAM_DRC]          = &dram_drc_clk.common.hw,
 678                [CLK_DRAM_DE_FE]        = &dram_de_fe_clk.common.hw,
 679                [CLK_DRAM_DE_BE]        = &dram_de_be_clk.common.hw,
 680                [CLK_DE_BE]             = &de_be_clk.common.hw,
 681                [CLK_DE_FE]             = &de_fe_clk.common.hw,
 682                [CLK_LCD_CH0]           = &lcd_ch0_clk.common.hw,
 683                [CLK_LCD_CH1]           = &lcd_ch1_clk.common.hw,
 684                [CLK_CSI_SCLK]          = &csi_sclk_clk.common.hw,
 685                [CLK_CSI_MCLK]          = &csi_mclk_clk.common.hw,
 686                [CLK_VE]                = &ve_clk.common.hw,
 687                [CLK_AC_DIG]            = &ac_dig_clk.common.hw,
 688                [CLK_AC_DIG_4X]         = &ac_dig_4x_clk.common.hw,
 689                [CLK_AVS]               = &avs_clk.common.hw,
 690                [CLK_MBUS]              = &mbus_clk.common.hw,
 691                [CLK_DSI_SCLK]          = &dsi_sclk_clk.common.hw,
 692                [CLK_DSI_DPHY]          = &dsi_dphy_clk.common.hw,
 693                [CLK_DRC]               = &drc_clk.common.hw,
 694                [CLK_GPU]               = &gpu_clk.common.hw,
 695                [CLK_ATS]               = &ats_clk.common.hw,
 696        },
 697        .num    = CLK_NUMBER,
 698};
 699
 700static struct ccu_reset_map sun8i_a33_ccu_resets[] = {
 701        [RST_USB_PHY0]          =  { 0x0cc, BIT(0) },
 702        [RST_USB_PHY1]          =  { 0x0cc, BIT(1) },
 703        [RST_USB_HSIC]          =  { 0x0cc, BIT(2) },
 704
 705        [RST_MBUS]              =  { 0x0fc, BIT(31) },
 706
 707        [RST_BUS_MIPI_DSI]      =  { 0x2c0, BIT(1) },
 708        [RST_BUS_SS]            =  { 0x2c0, BIT(5) },
 709        [RST_BUS_DMA]           =  { 0x2c0, BIT(6) },
 710        [RST_BUS_MMC0]          =  { 0x2c0, BIT(8) },
 711        [RST_BUS_MMC1]          =  { 0x2c0, BIT(9) },
 712        [RST_BUS_MMC2]          =  { 0x2c0, BIT(10) },
 713        [RST_BUS_NAND]          =  { 0x2c0, BIT(13) },
 714        [RST_BUS_DRAM]          =  { 0x2c0, BIT(14) },
 715        [RST_BUS_HSTIMER]       =  { 0x2c0, BIT(19) },
 716        [RST_BUS_SPI0]          =  { 0x2c0, BIT(20) },
 717        [RST_BUS_SPI1]          =  { 0x2c0, BIT(21) },
 718        [RST_BUS_OTG]           =  { 0x2c0, BIT(24) },
 719        [RST_BUS_EHCI]          =  { 0x2c0, BIT(26) },
 720        [RST_BUS_OHCI]          =  { 0x2c0, BIT(29) },
 721
 722        [RST_BUS_VE]            =  { 0x2c4, BIT(0) },
 723        [RST_BUS_LCD]           =  { 0x2c4, BIT(4) },
 724        [RST_BUS_CSI]           =  { 0x2c4, BIT(8) },
 725        [RST_BUS_DE_BE]         =  { 0x2c4, BIT(12) },
 726        [RST_BUS_DE_FE]         =  { 0x2c4, BIT(14) },
 727        [RST_BUS_GPU]           =  { 0x2c4, BIT(20) },
 728        [RST_BUS_MSGBOX]        =  { 0x2c4, BIT(21) },
 729        [RST_BUS_SPINLOCK]      =  { 0x2c4, BIT(22) },
 730        [RST_BUS_DRC]           =  { 0x2c4, BIT(25) },
 731        [RST_BUS_SAT]           =  { 0x2c4, BIT(26) },
 732
 733        [RST_BUS_LVDS]          =  { 0x2c8, BIT(0) },
 734
 735        [RST_BUS_CODEC]         =  { 0x2d0, BIT(0) },
 736        [RST_BUS_I2S0]          =  { 0x2d0, BIT(12) },
 737        [RST_BUS_I2S1]          =  { 0x2d0, BIT(13) },
 738
 739        [RST_BUS_I2C0]          =  { 0x2d8, BIT(0) },
 740        [RST_BUS_I2C1]          =  { 0x2d8, BIT(1) },
 741        [RST_BUS_I2C2]          =  { 0x2d8, BIT(2) },
 742        [RST_BUS_UART0]         =  { 0x2d8, BIT(16) },
 743        [RST_BUS_UART1]         =  { 0x2d8, BIT(17) },
 744        [RST_BUS_UART2]         =  { 0x2d8, BIT(18) },
 745        [RST_BUS_UART3]         =  { 0x2d8, BIT(19) },
 746        [RST_BUS_UART4]         =  { 0x2d8, BIT(20) },
 747};
 748
 749static const struct sunxi_ccu_desc sun8i_a33_ccu_desc = {
 750        .ccu_clks       = sun8i_a33_ccu_clks,
 751        .num_ccu_clks   = ARRAY_SIZE(sun8i_a33_ccu_clks),
 752
 753        .hw_clks        = &sun8i_a33_hw_clks,
 754
 755        .resets         = sun8i_a33_ccu_resets,
 756        .num_resets     = ARRAY_SIZE(sun8i_a33_ccu_resets),
 757};
 758
 759static struct ccu_pll_nb sun8i_a33_pll_cpu_nb = {
 760        .common = &pll_cpux_clk.common,
 761        /* copy from pll_cpux_clk */
 762        .enable = BIT(31),
 763        .lock   = BIT(28),
 764};
 765
 766static struct ccu_mux_nb sun8i_a33_cpu_nb = {
 767        .common         = &cpux_clk.common,
 768        .cm             = &cpux_clk.mux,
 769        .delay_us       = 1, /* > 8 clock cycles at 24 MHz */
 770        .bypass_index   = 1, /* index of 24 MHz oscillator */
 771};
 772
 773static void __init sun8i_a33_ccu_setup(struct device_node *node)
 774{
 775        void __iomem *reg;
 776        u32 val;
 777
 778        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
 779        if (IS_ERR(reg)) {
 780                pr_err("%pOF: Could not map the clock registers\n", node);
 781                return;
 782        }
 783
 784        /* Force the PLL-Audio-1x divider to 4 */
 785        val = readl(reg + SUN8I_A33_PLL_AUDIO_REG);
 786        val &= ~GENMASK(19, 16);
 787        writel(val | (3 << 16), reg + SUN8I_A33_PLL_AUDIO_REG);
 788
 789        /* Force PLL-MIPI to MIPI mode */
 790        val = readl(reg + SUN8I_A33_PLL_MIPI_REG);
 791        val &= ~BIT(16);
 792        writel(val, reg + SUN8I_A33_PLL_MIPI_REG);
 793
 794        sunxi_ccu_probe(node, reg, &sun8i_a33_ccu_desc);
 795
 796        /* Gate then ungate PLL CPU after any rate changes */
 797        ccu_pll_notifier_register(&sun8i_a33_pll_cpu_nb);
 798
 799        /* Reparent CPU during PLL CPU rate changes */
 800        ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk,
 801                                  &sun8i_a33_cpu_nb);
 802}
 803CLK_OF_DECLARE(sun8i_a33_ccu, "allwinner,sun8i-a33-ccu",
 804               sun8i_a33_ccu_setup);
 805