drivers/clk/sunxi-ng/ccu-sun8i-a23.c

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