linux/drivers/clk/sunxi-ng/ccu-sun8i-a23.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
   4 */
   5
   6#include <linux/clk-provider.h>
   7#include <linux/io.h>
   8#include <linux/of_address.h>
   9
  10#include "ccu_common.h"
  11#include "ccu_reset.h"
  12
  13#include "ccu_div.h"
  14#include "ccu_gate.h"
  15#include "ccu_mp.h"
  16#include "ccu_mult.h"
  17#include "ccu_nk.h"
  18#include "ccu_nkm.h"
  19#include "ccu_nkmp.h"
  20#include "ccu_nm.h"
  21#include "ccu_phase.h"
  22#include "ccu_sdm.h"
  23
  24#include "ccu-sun8i-a23-a33.h"
  25
  26
  27static struct ccu_nkmp pll_cpux_clk = {
  28        .enable = BIT(31),
  29        .lock   = BIT(28),
  30
  31        .n      = _SUNXI_CCU_MULT(8, 5),
  32        .k      = _SUNXI_CCU_MULT(4, 2),
  33        .m      = _SUNXI_CCU_DIV(0, 2),
  34        .p      = _SUNXI_CCU_DIV_MAX(16, 2, 4),
  35
  36        .common = {
  37                .reg            = 0x000,
  38                .hw.init        = CLK_HW_INIT("pll-cpux", "osc24M",
  39                                              &ccu_nkmp_ops,
  40                                              0),
  41        },
  42};
  43
  44/*
  45 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
  46 * the base (2x, 4x and 8x), and one variable divider (the one true
  47 * pll audio).
  48 *
  49 * With sigma-delta modulation for fractional-N on the audio PLL,
  50 * we have to use specific dividers. This means the variable divider
  51 * can no longer be used, as the audio codec requests the exact clock
  52 * rates we support through this mechanism. So we now hard code the
  53 * variable divider to 1. This means the clock rates will no longer
  54 * match the clock names.
  55 */
  56#define SUN8I_A23_PLL_AUDIO_REG 0x008
  57
  58static struct ccu_sdm_setting pll_audio_sdm_table[] = {
  59        { .rate = 22579200, .pattern = 0xc0010d84, .m = 8, .n = 7 },
  60        { .rate = 24576000, .pattern = 0xc000ac02, .m = 14, .n = 14 },
  61};
  62
  63static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
  64                                       "osc24M", 0x008,
  65                                       8, 7,    /* N */
  66                                       0, 5,    /* M */
  67                                       pll_audio_sdm_table, BIT(24),
  68                                       0x284, BIT(31),
  69                                       BIT(31), /* gate */
  70                                       BIT(28), /* lock */
  71                                       CLK_SET_RATE_UNGATE);
  72
  73static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video",
  74                                        "osc24M", 0x010,
  75                                        8, 7,           /* N */
  76                                        0, 4,           /* M */
  77                                        BIT(24),        /* frac enable */
  78                                        BIT(25),        /* frac select */
  79                                        270000000,      /* frac rate 0 */
  80                                        297000000,      /* frac rate 1 */
  81                                        BIT(31),        /* gate */
  82                                        BIT(28),        /* lock */
  83                                        CLK_SET_RATE_UNGATE);
  84
  85static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
  86                                        "osc24M", 0x018,
  87                                        8, 7,           /* N */
  88                                        0, 4,           /* M */
  89                                        BIT(24),        /* frac enable */
  90                                        BIT(25),        /* frac select */
  91                                        270000000,      /* frac rate 0 */
  92                                        297000000,      /* frac rate 1 */
  93                                        BIT(31),        /* gate */
  94                                        BIT(28),        /* lock */
  95                                        CLK_SET_RATE_UNGATE);
  96
  97static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr_clk, "pll-ddr",
  98                                    "osc24M", 0x020,
  99                                    8, 5,               /* N */
 100                                    4, 2,               /* K */
 101                                    0, 2,               /* M */
 102                                    BIT(31),            /* gate */
 103                                    BIT(28),            /* lock */
 104                                    0);
 105
 106static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph_clk, "pll-periph",
 107                                           "osc24M", 0x028,
 108                                           8, 5,        /* N */
 109                                           4, 2,        /* K */
 110                                           BIT(31),     /* gate */
 111                                           BIT(28),     /* lock */
 112                                           2,           /* post-div */
 113                                           CLK_SET_RATE_UNGATE);
 114
 115static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
 116                                        "osc24M", 0x038,
 117                                        8, 7,           /* N */
 118                                        0, 4,           /* M */
 119                                        BIT(24),        /* frac enable */
 120                                        BIT(25),        /* frac select */
 121                                        270000000,      /* frac rate 0 */
 122                                        297000000,      /* frac rate 1 */
 123                                        BIT(31),        /* gate */
 124                                        BIT(28),        /* lock */
 125                                        CLK_SET_RATE_UNGATE);
 126
 127/*
 128 * The MIPI PLL has 2 modes: "MIPI" and "HDMI".
 129 *
 130 * The MIPI mode is a standard NKM-style clock. The HDMI mode is an
 131 * integer / fractional clock with switchable multipliers and dividers.
 132 * This is not supported here. We hardcode the PLL to MIPI mode.
 133 */
 134#define SUN8I_A23_PLL_MIPI_REG  0x040
 135static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi",
 136                                    "pll-video", 0x040,
 137                                    8, 4,               /* N */
 138                                    4, 2,               /* K */
 139                                    0, 4,               /* M */
 140                                    BIT(31) | BIT(23) | BIT(22), /* gate */
 141                                    BIT(28),            /* lock */
 142                                    CLK_SET_RATE_UNGATE);
 143
 144static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic",
 145                                        "osc24M", 0x044,
 146                                        8, 7,           /* N */
 147                                        0, 4,           /* M */
 148                                        BIT(24),        /* frac enable */
 149                                        BIT(25),        /* frac select */
 150                                        270000000,      /* frac rate 0 */
 151                                        297000000,      /* frac rate 1 */
 152                                        BIT(31),        /* gate */
 153                                        BIT(28),        /* lock */
 154                                        CLK_SET_RATE_UNGATE);
 155
 156static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
 157                                        "osc24M", 0x048,
 158                                        8, 7,           /* N */
 159                                        0, 4,           /* M */
 160                                        BIT(24),        /* frac enable */
 161                                        BIT(25),        /* frac select */
 162                                        270000000,      /* frac rate 0 */
 163                                        297000000,      /* frac rate 1 */
 164                                        BIT(31),        /* gate */
 165                                        BIT(28),        /* lock */
 166                                        CLK_SET_RATE_UNGATE);
 167
 168static const char * const cpux_parents[] = { "osc32k", "osc24M",
 169                                             "pll-cpux" , "pll-cpux" };
 170static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
 171                     0x050, 16, 2, CLK_IS_CRITICAL);
 172
 173static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0);
 174
 175static const char * const ahb1_parents[] = { "osc32k", "osc24M",
 176                                             "axi" , "pll-periph" };
 177static const struct ccu_mux_var_prediv ahb1_predivs[] = {
 178        { .index = 3, .shift = 6, .width = 2 },
 179};
 180static struct ccu_div ahb1_clk = {
 181        .div            = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
 182
 183        .mux            = {
 184                .shift  = 12,
 185                .width  = 2,
 186
 187                .var_predivs    = ahb1_predivs,
 188                .n_var_predivs  = ARRAY_SIZE(ahb1_predivs),
 189        },
 190
 191        .common         = {
 192                .reg            = 0x054,
 193                .features       = CCU_FEATURE_VARIABLE_PREDIV,
 194                .hw.init        = CLK_HW_INIT_PARENTS("ahb1",
 195                                                      ahb1_parents,
 196                                                      &ccu_div_ops,
 197                                                      0),
 198        },
 199};
 200
 201static struct clk_div_table apb1_div_table[] = {
 202        { .val = 0, .div = 2 },
 203        { .val = 1, .div = 2 },
 204        { .val = 2, .div = 4 },
 205        { .val = 3, .div = 8 },
 206        { /* Sentinel */ },
 207};
 208static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
 209                           0x054, 8, 2, apb1_div_table, 0);
 210
 211static const char * const apb2_parents[] = { "osc32k", "osc24M",
 212                                             "pll-periph" , "pll-periph" };
 213static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
 214                             0, 5,      /* M */
 215                             16, 2,     /* P */
 216                             24, 2,     /* mux */
 217                             0);
 218
 219static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1",
 220                      0x060, BIT(1), 0);
 221static SUNXI_CCU_GATE(bus_dma_clk,      "bus-dma",      "ahb1",
 222                      0x060, BIT(6), 0);
 223static SUNXI_CCU_GATE(bus_mmc0_clk,     "bus-mmc0",     "ahb1",
 224                      0x060, BIT(8), 0);
 225static SUNXI_CCU_GATE(bus_mmc1_clk,     "bus-mmc1",     "ahb1",
 226                      0x060, BIT(9), 0);
 227static SUNXI_CCU_GATE(bus_mmc2_clk,     "bus-mmc2",     "ahb1",
 228                      0x060, BIT(10), 0);
 229static SUNXI_CCU_GATE(bus_nand_clk,     "bus-nand",     "ahb1",
 230                      0x060, BIT(13), 0);
 231static SUNXI_CCU_GATE(bus_dram_clk,     "bus-dram",     "ahb1",
 232                      0x060, BIT(14), 0);
 233static SUNXI_CCU_GATE(bus_hstimer_clk,  "bus-hstimer",  "ahb1",
 234                      0x060, BIT(19), 0);
 235static SUNXI_CCU_GATE(bus_spi0_clk,     "bus-spi0",     "ahb1",
 236                      0x060, BIT(20), 0);
 237static SUNXI_CCU_GATE(bus_spi1_clk,     "bus-spi1",     "ahb1",
 238                      0x060, BIT(21), 0);
 239static SUNXI_CCU_GATE(bus_otg_clk,      "bus-otg",      "ahb1",
 240                      0x060, BIT(24), 0);
 241static SUNXI_CCU_GATE(bus_ehci_clk,     "bus-ehci",     "ahb1",
 242                      0x060, BIT(26), 0);
 243static SUNXI_CCU_GATE(bus_ohci_clk,     "bus-ohci",     "ahb1",
 244                      0x060, BIT(29), 0);
 245
 246static SUNXI_CCU_GATE(bus_ve_clk,       "bus-ve",       "ahb1",
 247                      0x064, BIT(0), 0);
 248static SUNXI_CCU_GATE(bus_lcd_clk,      "bus-lcd",      "ahb1",
 249                      0x064, BIT(4), 0);
 250static SUNXI_CCU_GATE(bus_csi_clk,      "bus-csi",      "ahb1",
 251                      0x064, BIT(8), 0);
 252static SUNXI_CCU_GATE(bus_de_be_clk,    "bus-de-be",    "ahb1",
 253                      0x064, BIT(12), 0);
 254static SUNXI_CCU_GATE(bus_de_fe_clk,    "bus-de-fe",    "ahb1",
 255                      0x064, BIT(14), 0);
 256static SUNXI_CCU_GATE(bus_gpu_clk,      "bus-gpu",      "ahb1",
 257                      0x064, BIT(20), 0);
 258static SUNXI_CCU_GATE(bus_msgbox_clk,   "bus-msgbox",   "ahb1",
 259                      0x064, BIT(21), 0);
 260static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
 261                      0x064, BIT(22), 0);
 262static SUNXI_CCU_GATE(bus_drc_clk,      "bus-drc",      "ahb1",
 263                      0x064, BIT(25), 0);
 264
 265static SUNXI_CCU_GATE(bus_codec_clk,    "bus-codec",    "apb1",
 266                      0x068, BIT(0), 0);
 267static SUNXI_CCU_GATE(bus_pio_clk,      "bus-pio",      "apb1",
 268                      0x068, BIT(5), 0);
 269static SUNXI_CCU_GATE(bus_i2s0_clk,     "bus-i2s0",     "apb1",
 270                      0x068, BIT(12), 0);
 271static SUNXI_CCU_GATE(bus_i2s1_clk,     "bus-i2s1",     "apb1",
 272                      0x068, BIT(13), 0);
 273
 274static SUNXI_CCU_GATE(bus_i2c0_clk,     "bus-i2c0",     "apb2",
 275                      0x06c, BIT(0), 0);
 276static SUNXI_CCU_GATE(bus_i2c1_clk,     "bus-i2c1",     "apb2",
 277                      0x06c, BIT(1), 0);
 278static SUNXI_CCU_GATE(bus_i2c2_clk,     "bus-i2c2",     "apb2",
 279                      0x06c, BIT(2), 0);
 280static SUNXI_CCU_GATE(bus_uart0_clk,    "bus-uart0",    "apb2",
 281                      0x06c, BIT(16), 0);
 282static SUNXI_CCU_GATE(bus_uart1_clk,    "bus-uart1",    "apb2",
 283                      0x06c, BIT(17), 0);
 284static SUNXI_CCU_GATE(bus_uart2_clk,    "bus-uart2",    "apb2",
 285                      0x06c, BIT(18), 0);
 286static SUNXI_CCU_GATE(bus_uart3_clk,    "bus-uart3",    "apb2",
 287                      0x06c, BIT(19), 0);
 288static SUNXI_CCU_GATE(bus_uart4_clk,    "bus-uart4",    "apb2",
 289                      0x06c, BIT(20), 0);
 290
 291static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" };
 292static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
 293                                  0, 4,         /* M */
 294                                  16, 2,        /* P */
 295                                  24, 2,        /* mux */
 296                                  BIT(31),      /* gate */
 297                                  0);
 298
 299static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
 300                                  0, 4,         /* M */
 301                                  16, 2,        /* P */
 302                                  24, 2,        /* mux */
 303                                  BIT(31),      /* gate */
 304                                  0);
 305
 306static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0",
 307                       0x088, 20, 3, 0);
 308static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0",
 309                       0x088, 8, 3, 0);
 310
 311static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
 312                                  0, 4,         /* M */
 313                                  16, 2,        /* P */
 314                                  24, 2,        /* mux */
 315                                  BIT(31),      /* gate */
 316                                  0);
 317
 318static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1",
 319                       0x08c, 20, 3, 0);
 320static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1",
 321                       0x08c, 8, 3, 0);
 322
 323static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090,
 324                                  0, 4,         /* M */
 325                                  16, 2,        /* P */
 326                                  24, 2,        /* mux */
 327                                  BIT(31),      /* gate */
 328                                  0);
 329
 330static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2",
 331                       0x090, 20, 3, 0);
 332static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2",
 333                       0x090, 8, 3, 0);
 334
 335static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
 336                                  0, 4,         /* M */
 337                                  16, 2,        /* P */
 338                                  24, 2,        /* mux */
 339                                  BIT(31),      /* gate */
 340                                  0);
 341
 342static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
 343                                  0, 4,         /* M */
 344                                  16, 2,        /* P */
 345                                  24, 2,        /* mux */
 346                                  BIT(31),      /* gate */
 347                                  0);
 348
 349static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
 350                                            "pll-audio-2x", "pll-audio" };
 351static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
 352                               0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 353
 354static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
 355                               0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
 356
 357/* TODO: the parent for most of the USB clocks is not known */
 358static SUNXI_CCU_GATE(usb_phy0_clk,     "usb-phy0",     "osc24M",
 359                      0x0cc, BIT(8), 0);
 360static SUNXI_CCU_GATE(usb_phy1_clk,     "usb-phy1",     "osc24M",
 361                      0x0cc, BIT(9), 0);
 362static SUNXI_CCU_GATE(usb_hsic_clk,     "usb-hsic",     "pll-hsic",
 363                      0x0cc, BIT(10), 0);
 364static SUNXI_CCU_GATE(usb_hsic_12M_clk, "usb-hsic-12M", "osc24M",
 365                      0x0cc, BIT(11), 0);
 366static SUNXI_CCU_GATE(usb_ohci_clk,     "usb-ohci",     "osc24M",
 367                      0x0cc, BIT(16), 0);
 368
 369static SUNXI_CCU_GATE(dram_ve_clk,      "dram-ve",      "pll-ddr",
 370                      0x100, BIT(0), 0);
 371static SUNXI_CCU_GATE(dram_csi_clk,     "dram-csi",     "pll-ddr",
 372                      0x100, BIT(1), 0);
 373static SUNXI_CCU_GATE(dram_drc_clk,     "dram-drc",     "pll-ddr",
 374                      0x100, BIT(16), 0);
 375static SUNXI_CCU_GATE(dram_de_fe_clk,   "dram-de-fe",   "pll-ddr",
 376                      0x100, BIT(24), 0);
 377static SUNXI_CCU_GATE(dram_de_be_clk,   "dram-de-be",   "pll-ddr",
 378                      0x100, BIT(26), 0);
 379
 380static const char * const de_parents[] = { "pll-video", "pll-periph-2x",
 381                                           "pll-gpu", "pll-de" };
 382static const u8 de_table[] = { 0, 2, 3, 5 };
 383static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be",
 384                                       de_parents, de_table,
 385                                       0x104, 0, 4, 24, 3, BIT(31), 0);
 386
 387static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe",
 388                                       de_parents, de_table,
 389                                       0x10c, 0, 4, 24, 3, BIT(31), 0);
 390
 391static const char * const lcd_ch0_parents[] = { "pll-video", "pll-video-2x",
 392                                                "pll-mipi" };
 393static const u8 lcd_ch0_table[] = { 0, 2, 4 };
 394static SUNXI_CCU_MUX_TABLE_WITH_GATE(lcd_ch0_clk, "lcd-ch0",
 395                                     lcd_ch0_parents, lcd_ch0_table,
 396                                     0x118, 24, 3, BIT(31),
 397                                     CLK_SET_RATE_PARENT);
 398
 399static const char * const lcd_ch1_parents[] = { "pll-video", "pll-video-2x" };
 400static const u8 lcd_ch1_table[] = { 0, 2 };
 401static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd_ch1_clk, "lcd-ch1",
 402                                       lcd_ch1_parents, lcd_ch1_table,
 403                                       0x12c, 0, 4, 24, 2, BIT(31), 0);
 404
 405static const char * const csi_sclk_parents[] = { "pll-video", "pll-de",
 406                                                 "pll-mipi", "pll-ve" };
 407static const u8 csi_sclk_table[] = { 0, 3, 4, 5 };
 408static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk",
 409                                       csi_sclk_parents, csi_sclk_table,
 410                                       0x134, 16, 4, 24, 3, BIT(31), 0);
 411
 412static const char * const csi_mclk_parents[] = { "pll-video", "pll-de",
 413                                                 "osc24M" };
 414static const u8 csi_mclk_table[] = { 0, 3, 5 };
 415static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk",
 416                                       csi_mclk_parents, csi_mclk_table,
 417                                       0x134, 0, 5, 8, 3, BIT(15), 0);
 418
 419static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
 420                             0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT);
 421
 422static SUNXI_CCU_GATE(ac_dig_clk,       "ac-dig",       "pll-audio",
 423                      0x140, BIT(31), CLK_SET_RATE_PARENT);
 424static SUNXI_CCU_GATE(avs_clk,          "avs",          "osc24M",
 425                      0x144, BIT(31), 0);
 426
 427static const char * const mbus_parents[] = { "osc24M", "pll-periph-2x",
 428                                             "pll-ddr" };
 429static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
 430                                 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL);
 431
 432static const char * const dsi_sclk_parents[] = { "pll-video", "pll-video-2x" };
 433static const u8 dsi_sclk_table[] = { 0, 2 };
 434static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_sclk_clk, "dsi-sclk",
 435                                       dsi_sclk_parents, dsi_sclk_table,
 436                                       0x168, 16, 4, 24, 2, BIT(31), 0);
 437
 438static const char * const dsi_dphy_parents[] = { "pll-video", "pll-periph" };
 439static const u8 dsi_dphy_table[] = { 0, 2 };
 440static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy",
 441                                       dsi_dphy_parents, dsi_dphy_table,
 442                                       0x168, 0, 4, 8, 2, BIT(15), 0);
 443
 444static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk, "drc",
 445                                       de_parents, de_table,
 446                                       0x180, 0, 4, 24, 3, BIT(31), 0);
 447
 448static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
 449                             0x1a0, 0, 3, BIT(31), 0);
 450
 451static const char * const ats_parents[] = { "osc24M", "pll-periph" };
 452static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", ats_parents,
 453                                 0x1b0, 0, 3, 24, 2, BIT(31), 0);
 454
 455static struct ccu_common *sun8i_a23_ccu_clks[] = {
 456        &pll_cpux_clk.common,
 457        &pll_audio_base_clk.common,
 458        &pll_video_clk.common,
 459        &pll_ve_clk.common,
 460        &pll_ddr_clk.common,
 461        &pll_periph_clk.common,
 462        &pll_gpu_clk.common,
 463        &pll_mipi_clk.common,
 464        &pll_hsic_clk.common,
 465        &pll_de_clk.common,
 466        &cpux_clk.common,
 467        &axi_clk.common,
 468        &ahb1_clk.common,
 469        &apb1_clk.common,
 470        &apb2_clk.common,
 471        &bus_mipi_dsi_clk.common,
 472        &bus_dma_clk.common,
 473        &bus_mmc0_clk.common,
 474        &bus_mmc1_clk.common,
 475        &bus_mmc2_clk.common,
 476        &bus_nand_clk.common,
 477        &bus_dram_clk.common,
 478        &bus_hstimer_clk.common,
 479        &bus_spi0_clk.common,
 480        &bus_spi1_clk.common,
 481        &bus_otg_clk.common,
 482        &bus_ehci_clk.common,
 483        &bus_ohci_clk.common,
 484        &bus_ve_clk.common,
 485        &bus_lcd_clk.common,
 486        &bus_csi_clk.common,
 487        &bus_de_fe_clk.common,
 488        &bus_de_be_clk.common,
 489        &bus_gpu_clk.common,
 490        &bus_msgbox_clk.common,
 491        &bus_spinlock_clk.common,
 492        &bus_drc_clk.common,
 493        &bus_codec_clk.common,
 494        &bus_pio_clk.common,
 495        &bus_i2s0_clk.common,
 496        &bus_i2s1_clk.common,
 497        &bus_i2c0_clk.common,
 498        &bus_i2c1_clk.common,
 499        &bus_i2c2_clk.common,
 500        &bus_uart0_clk.common,
 501        &bus_uart1_clk.common,
 502        &bus_uart2_clk.common,
 503        &bus_uart3_clk.common,
 504        &bus_uart4_clk.common,
 505        &nand_clk.common,
 506        &mmc0_clk.common,
 507        &mmc0_sample_clk.common,
 508        &mmc0_output_clk.common,
 509        &mmc1_clk.common,
 510        &mmc1_sample_clk.common,
 511        &mmc1_output_clk.common,
 512        &mmc2_clk.common,
 513        &mmc2_sample_clk.common,
 514        &mmc2_output_clk.common,
 515        &spi0_clk.common,
 516        &spi1_clk.common,
 517        &i2s0_clk.common,
 518        &i2s1_clk.common,
 519        &usb_phy0_clk.common,
 520        &usb_phy1_clk.common,
 521        &usb_hsic_clk.common,
 522        &usb_hsic_12M_clk.common,
 523        &usb_ohci_clk.common,
 524        &dram_ve_clk.common,
 525        &dram_csi_clk.common,
 526        &dram_drc_clk.common,
 527        &dram_de_fe_clk.common,
 528        &dram_de_be_clk.common,
 529        &de_be_clk.common,
 530        &de_fe_clk.common,
 531        &lcd_ch0_clk.common,
 532        &lcd_ch1_clk.common,
 533        &csi_sclk_clk.common,
 534        &csi_mclk_clk.common,
 535        &ve_clk.common,
 536        &ac_dig_clk.common,
 537        &avs_clk.common,
 538        &mbus_clk.common,
 539        &dsi_sclk_clk.common,
 540        &dsi_dphy_clk.common,
 541        &drc_clk.common,
 542        &gpu_clk.common,
 543        &ats_clk.common,
 544};
 545
 546static const struct clk_hw *clk_parent_pll_audio[] = {
 547        &pll_audio_base_clk.common.hw
 548};
 549
 550/* We hardcode the divider to 1 for now */
 551static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio",
 552                            clk_parent_pll_audio,
 553                            1, 1, CLK_SET_RATE_PARENT);
 554static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x",
 555                            clk_parent_pll_audio,
 556                            2, 1, CLK_SET_RATE_PARENT);
 557static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x",
 558                            clk_parent_pll_audio,
 559                            1, 1, CLK_SET_RATE_PARENT);
 560static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x",
 561                            clk_parent_pll_audio,
 562                            1, 2, CLK_SET_RATE_PARENT);
 563static CLK_FIXED_FACTOR_HW(pll_periph_2x_clk, "pll-periph-2x",
 564                           &pll_periph_clk.common.hw,
 565                           1, 2, 0);
 566static CLK_FIXED_FACTOR_HW(pll_video_2x_clk, "pll-video-2x",
 567                           &pll_video_clk.common.hw,
 568                           1, 2, 0);
 569
 570static struct clk_hw_onecell_data sun8i_a23_hw_clks = {
 571        .hws    = {
 572                [CLK_PLL_CPUX]          = &pll_cpux_clk.common.hw,
 573                [CLK_PLL_AUDIO_BASE]    = &pll_audio_base_clk.common.hw,
 574                [CLK_PLL_AUDIO]         = &pll_audio_clk.hw,
 575                [CLK_PLL_AUDIO_2X]      = &pll_audio_2x_clk.hw,
 576                [CLK_PLL_AUDIO_4X]      = &pll_audio_4x_clk.hw,
 577                [CLK_PLL_AUDIO_8X]      = &pll_audio_8x_clk.hw,
 578                [CLK_PLL_VIDEO]         = &pll_video_clk.common.hw,
 579                [CLK_PLL_VIDEO_2X]      = &pll_video_2x_clk.hw,
 580                [CLK_PLL_VE]            = &pll_ve_clk.common.hw,
 581                [CLK_PLL_DDR0]          = &pll_ddr_clk.common.hw,
 582                [CLK_PLL_PERIPH]        = &pll_periph_clk.common.hw,
 583                [CLK_PLL_PERIPH_2X]     = &pll_periph_2x_clk.hw,
 584                [CLK_PLL_GPU]           = &pll_gpu_clk.common.hw,
 585                [CLK_PLL_MIPI]          = &pll_mipi_clk.common.hw,
 586                [CLK_PLL_HSIC]          = &pll_hsic_clk.common.hw,
 587                [CLK_PLL_DE]            = &pll_de_clk.common.hw,
 588                [CLK_CPUX]              = &cpux_clk.common.hw,
 589                [CLK_AXI]               = &axi_clk.common.hw,
 590                [CLK_AHB1]              = &ahb1_clk.common.hw,
 591                [CLK_APB1]              = &apb1_clk.common.hw,
 592                [CLK_APB2]              = &apb2_clk.common.hw,
 593                [CLK_BUS_MIPI_DSI]      = &bus_mipi_dsi_clk.common.hw,
 594                [CLK_BUS_DMA]           = &bus_dma_clk.common.hw,
 595                [CLK_BUS_MMC0]          = &bus_mmc0_clk.common.hw,
 596                [CLK_BUS_MMC1]          = &bus_mmc1_clk.common.hw,
 597                [CLK_BUS_MMC2]          = &bus_mmc2_clk.common.hw,
 598                [CLK_BUS_NAND]          = &bus_nand_clk.common.hw,
 599                [CLK_BUS_DRAM]          = &bus_dram_clk.common.hw,
 600                [CLK_BUS_HSTIMER]       = &bus_hstimer_clk.common.hw,
 601                [CLK_BUS_SPI0]          = &bus_spi0_clk.common.hw,
 602                [CLK_BUS_SPI1]          = &bus_spi1_clk.common.hw,
 603                [CLK_BUS_OTG]           = &bus_otg_clk.common.hw,
 604                [CLK_BUS_EHCI]          = &bus_ehci_clk.common.hw,
 605                [CLK_BUS_OHCI]          = &bus_ohci_clk.common.hw,
 606                [CLK_BUS_VE]            = &bus_ve_clk.common.hw,
 607                [CLK_BUS_LCD]           = &bus_lcd_clk.common.hw,
 608                [CLK_BUS_CSI]           = &bus_csi_clk.common.hw,
 609                [CLK_BUS_DE_BE]         = &bus_de_be_clk.common.hw,
 610                [CLK_BUS_DE_FE]         = &bus_de_fe_clk.common.hw,
 611                [CLK_BUS_GPU]           = &bus_gpu_clk.common.hw,
 612                [CLK_BUS_MSGBOX]        = &bus_msgbox_clk.common.hw,
 613                [CLK_BUS_SPINLOCK]      = &bus_spinlock_clk.common.hw,
 614                [CLK_BUS_DRC]           = &bus_drc_clk.common.hw,
 615                [CLK_BUS_CODEC]         = &bus_codec_clk.common.hw,
 616                [CLK_BUS_PIO]           = &bus_pio_clk.common.hw,
 617                [CLK_BUS_I2S0]          = &bus_i2s0_clk.common.hw,
 618                [CLK_BUS_I2S1]          = &bus_i2s1_clk.common.hw,
 619                [CLK_BUS_I2C0]          = &bus_i2c0_clk.common.hw,
 620                [CLK_BUS_I2C1]          = &bus_i2c1_clk.common.hw,
 621                [CLK_BUS_I2C2]          = &bus_i2c2_clk.common.hw,
 622                [CLK_BUS_UART0]         = &bus_uart0_clk.common.hw,
 623                [CLK_BUS_UART1]         = &bus_uart1_clk.common.hw,
 624                [CLK_BUS_UART2]         = &bus_uart2_clk.common.hw,
 625                [CLK_BUS_UART3]         = &bus_uart3_clk.common.hw,
 626                [CLK_BUS_UART4]         = &bus_uart4_clk.common.hw,
 627                [CLK_NAND]              = &nand_clk.common.hw,
 628                [CLK_MMC0]              = &mmc0_clk.common.hw,
 629                [CLK_MMC0_SAMPLE]       = &mmc0_sample_clk.common.hw,
 630                [CLK_MMC0_OUTPUT]       = &mmc0_output_clk.common.hw,
 631                [CLK_MMC1]              = &mmc1_clk.common.hw,
 632                [CLK_MMC1_SAMPLE]       = &mmc1_sample_clk.common.hw,
 633                [CLK_MMC1_OUTPUT]       = &mmc1_output_clk.common.hw,
 634                [CLK_MMC2]              = &mmc2_clk.common.hw,
 635                [CLK_MMC2_SAMPLE]       = &mmc2_sample_clk.common.hw,
 636                [CLK_MMC2_OUTPUT]       = &mmc2_output_clk.common.hw,
 637                [CLK_SPI0]              = &spi0_clk.common.hw,
 638                [CLK_SPI1]              = &spi1_clk.common.hw,
 639                [CLK_I2S0]              = &i2s0_clk.common.hw,
 640                [CLK_I2S1]              = &i2s1_clk.common.hw,
 641                [CLK_USB_PHY0]          = &usb_phy0_clk.common.hw,
 642                [CLK_USB_PHY1]          = &usb_phy1_clk.common.hw,
 643                [CLK_USB_HSIC]          = &usb_hsic_clk.common.hw,
 644                [CLK_USB_HSIC_12M]      = &usb_hsic_12M_clk.common.hw,
 645                [CLK_USB_OHCI]          = &usb_ohci_clk.common.hw,
 646                [CLK_DRAM_VE]           = &dram_ve_clk.common.hw,
 647                [CLK_DRAM_CSI]          = &dram_csi_clk.common.hw,
 648                [CLK_DRAM_DRC]          = &dram_drc_clk.common.hw,
 649                [CLK_DRAM_DE_FE]        = &dram_de_fe_clk.common.hw,
 650                [CLK_DRAM_DE_BE]        = &dram_de_be_clk.common.hw,
 651                [CLK_DE_BE]             = &de_be_clk.common.hw,
 652                [CLK_DE_FE]             = &de_fe_clk.common.hw,
 653                [CLK_LCD_CH0]           = &lcd_ch0_clk.common.hw,
 654                [CLK_LCD_CH1]           = &lcd_ch1_clk.common.hw,
 655                [CLK_CSI_SCLK]          = &csi_sclk_clk.common.hw,
 656                [CLK_CSI_MCLK]          = &csi_mclk_clk.common.hw,
 657                [CLK_VE]                = &ve_clk.common.hw,
 658                [CLK_AC_DIG]            = &ac_dig_clk.common.hw,
 659                [CLK_AVS]               = &avs_clk.common.hw,
 660                [CLK_MBUS]              = &mbus_clk.common.hw,
 661                [CLK_DSI_SCLK]          = &dsi_sclk_clk.common.hw,
 662                [CLK_DSI_DPHY]          = &dsi_dphy_clk.common.hw,
 663                [CLK_DRC]               = &drc_clk.common.hw,
 664                [CLK_GPU]               = &gpu_clk.common.hw,
 665                [CLK_ATS]               = &ats_clk.common.hw,
 666        },
 667        .num    = CLK_NUMBER,
 668};
 669
 670static struct ccu_reset_map sun8i_a23_ccu_resets[] = {
 671        [RST_USB_PHY0]          =  { 0x0cc, BIT(0) },
 672        [RST_USB_PHY1]          =  { 0x0cc, BIT(1) },
 673        [RST_USB_HSIC]          =  { 0x0cc, BIT(2) },
 674
 675        [RST_MBUS]              =  { 0x0fc, BIT(31) },
 676
 677        [RST_BUS_MIPI_DSI]      =  { 0x2c0, BIT(1) },
 678        [RST_BUS_DMA]           =  { 0x2c0, BIT(6) },
 679        [RST_BUS_MMC0]          =  { 0x2c0, BIT(8) },
 680        [RST_BUS_MMC1]          =  { 0x2c0, BIT(9) },
 681        [RST_BUS_MMC2]          =  { 0x2c0, BIT(10) },
 682        [RST_BUS_NAND]          =  { 0x2c0, BIT(13) },
 683        [RST_BUS_DRAM]          =  { 0x2c0, BIT(14) },
 684        [RST_BUS_HSTIMER]       =  { 0x2c0, BIT(19) },
 685        [RST_BUS_SPI0]          =  { 0x2c0, BIT(20) },
 686        [RST_BUS_SPI1]          =  { 0x2c0, BIT(21) },
 687        [RST_BUS_OTG]           =  { 0x2c0, BIT(24) },
 688        [RST_BUS_EHCI]          =  { 0x2c0, BIT(26) },
 689        [RST_BUS_OHCI]          =  { 0x2c0, BIT(29) },
 690
 691        [RST_BUS_VE]            =  { 0x2c4, BIT(0) },
 692        [RST_BUS_LCD]           =  { 0x2c4, BIT(4) },
 693        [RST_BUS_CSI]           =  { 0x2c4, BIT(8) },
 694        [RST_BUS_DE_BE]         =  { 0x2c4, BIT(12) },
 695        [RST_BUS_DE_FE]         =  { 0x2c4, BIT(14) },
 696        [RST_BUS_GPU]           =  { 0x2c4, BIT(20) },
 697        [RST_BUS_MSGBOX]        =  { 0x2c4, BIT(21) },
 698        [RST_BUS_SPINLOCK]      =  { 0x2c4, BIT(22) },
 699        [RST_BUS_DRC]           =  { 0x2c4, BIT(25) },
 700
 701        [RST_BUS_LVDS]          =  { 0x2c8, BIT(0) },
 702
 703        [RST_BUS_CODEC]         =  { 0x2d0, BIT(0) },
 704        [RST_BUS_I2S0]          =  { 0x2d0, BIT(12) },
 705        [RST_BUS_I2S1]          =  { 0x2d0, BIT(13) },
 706
 707        [RST_BUS_I2C0]          =  { 0x2d8, BIT(0) },
 708        [RST_BUS_I2C1]          =  { 0x2d8, BIT(1) },
 709        [RST_BUS_I2C2]          =  { 0x2d8, BIT(2) },
 710        [RST_BUS_UART0]         =  { 0x2d8, BIT(16) },
 711        [RST_BUS_UART1]         =  { 0x2d8, BIT(17) },
 712        [RST_BUS_UART2]         =  { 0x2d8, BIT(18) },
 713        [RST_BUS_UART3]         =  { 0x2d8, BIT(19) },
 714        [RST_BUS_UART4]         =  { 0x2d8, BIT(20) },
 715};
 716
 717static const struct sunxi_ccu_desc sun8i_a23_ccu_desc = {
 718        .ccu_clks       = sun8i_a23_ccu_clks,
 719        .num_ccu_clks   = ARRAY_SIZE(sun8i_a23_ccu_clks),
 720
 721        .hw_clks        = &sun8i_a23_hw_clks,
 722
 723        .resets         = sun8i_a23_ccu_resets,
 724        .num_resets     = ARRAY_SIZE(sun8i_a23_ccu_resets),
 725};
 726
 727static void __init sun8i_a23_ccu_setup(struct device_node *node)
 728{
 729        void __iomem *reg;
 730        u32 val;
 731
 732        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
 733        if (IS_ERR(reg)) {
 734                pr_err("%pOF: Could not map the clock registers\n", node);
 735                return;
 736        }
 737
 738        /* Force the PLL-Audio-1x divider to 1 */
 739        val = readl(reg + SUN8I_A23_PLL_AUDIO_REG);
 740        val &= ~GENMASK(19, 16);
 741        writel(val | (0 << 16), reg + SUN8I_A23_PLL_AUDIO_REG);
 742
 743        /* Force PLL-MIPI to MIPI mode */
 744        val = readl(reg + SUN8I_A23_PLL_MIPI_REG);
 745        val &= ~BIT(16);
 746        writel(val, reg + SUN8I_A23_PLL_MIPI_REG);
 747
 748        sunxi_ccu_probe(node, reg, &sun8i_a23_ccu_desc);
 749}
 750CLK_OF_DECLARE(sun8i_a23_ccu, "allwinner,sun8i-a23-ccu",
 751               sun8i_a23_ccu_setup);
 752