drivers/clk/mediatek/clk-mt8173.c

   1 /*
   2  * Copyright (c) 2014 MediaTek Inc.
   3  * Author: James Liao <jamesjj.liao@mediatek.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include <linux/clk.h>
  16 #include <linux/of.h>
  17 #include <linux/of_address.h>
  18 #include <linux/slab.h>
  19 #include <linux/mfd/syscon.h>
  20
  21 #include "clk-mtk.h"
  22 #include "clk-gate.h"
  23
  24 #include <dt-bindings/clock/mt8173-clk.h>
  25
  26 static DEFINE_SPINLOCK(mt8173_clk_lock);
  27
  28 static const struct mtk_fixed_factor root_clk_alias[] __initconst = {
  29         FACTOR(CLK_TOP_CLKPH_MCK_O, "clkph_mck_o", "clk_null", 1, 1),
  30         FACTOR(CLK_TOP_DPI, "dpi_ck", "clk_null", 1, 1),
  31         FACTOR(CLK_TOP_USB_SYSPLL_125M, "usb_syspll_125m", "clk_null", 1, 1),
  32         FACTOR(CLK_TOP_HDMITX_DIG_CTS, "hdmitx_dig_cts", "clk_null", 1, 1),
  33 };
  34
  35 static const struct mtk_fixed_factor top_divs[] __initconst = {
  36         FACTOR(CLK_TOP_ARMCA7PLL_754M, "armca7pll_754m", "armca7pll", 1, 2),
  37         FACTOR(CLK_TOP_ARMCA7PLL_502M, "armca7pll_502m", "armca7pll", 1, 3),
  38
  39         FACTOR(CLK_TOP_MAIN_H546M, "main_h546m", "mainpll", 1, 2),
  40         FACTOR(CLK_TOP_MAIN_H364M, "main_h364m", "mainpll", 1, 3),
  41         FACTOR(CLK_TOP_MAIN_H218P4M, "main_h218p4m", "mainpll", 1, 5),
  42         FACTOR(CLK_TOP_MAIN_H156M, "main_h156m", "mainpll", 1, 7),
  43
  44         FACTOR(CLK_TOP_TVDPLL_445P5M, "tvdpll_445p5m", "tvdpll", 1, 4),
  45         FACTOR(CLK_TOP_TVDPLL_594M, "tvdpll_594m", "tvdpll", 1, 3),
  46
  47         FACTOR(CLK_TOP_UNIV_624M, "univ_624m", "univpll", 1, 2),
  48         FACTOR(CLK_TOP_UNIV_416M, "univ_416m", "univpll", 1, 3),
  49         FACTOR(CLK_TOP_UNIV_249P6M, "univ_249p6m", "univpll", 1, 5),
  50         FACTOR(CLK_TOP_UNIV_178P3M, "univ_178p3m", "univpll", 1, 7),
  51         FACTOR(CLK_TOP_UNIV_48M, "univ_48m", "univpll", 1, 26),
  52
  53         FACTOR(CLK_TOP_CLKRTC_EXT, "clkrtc_ext", "clk32k", 1, 1),
  54         FACTOR(CLK_TOP_CLKRTC_INT, "clkrtc_int", "clk26m", 1, 793),
  55         FACTOR(CLK_TOP_FPC, "fpc_ck", "clk26m", 1, 1),
  56
  57         FACTOR(CLK_TOP_HDMITXPLL_D2, "hdmitxpll_d2", "hdmitx_dig_cts", 1, 2),
  58         FACTOR(CLK_TOP_HDMITXPLL_D3, "hdmitxpll_d3", "hdmitx_dig_cts", 1, 3),
  59
  60         FACTOR(CLK_TOP_ARMCA7PLL_D2, "armca7pll_d2", "armca7pll_754m", 1, 1),
  61         FACTOR(CLK_TOP_ARMCA7PLL_D3, "armca7pll_d3", "armca7pll_502m", 1, 1),
  62
  63         FACTOR(CLK_TOP_APLL1, "apll1_ck", "apll1", 1, 1),
  64         FACTOR(CLK_TOP_APLL2, "apll2_ck", "apll2", 1, 1),
  65
  66         FACTOR(CLK_TOP_DMPLL, "dmpll_ck", "clkph_mck_o", 1, 1),
  67         FACTOR(CLK_TOP_DMPLL_D2, "dmpll_d2", "clkph_mck_o", 1, 2),
  68         FACTOR(CLK_TOP_DMPLL_D4, "dmpll_d4", "clkph_mck_o", 1, 4),
  69         FACTOR(CLK_TOP_DMPLL_D8, "dmpll_d8", "clkph_mck_o", 1, 8),
  70         FACTOR(CLK_TOP_DMPLL_D16, "dmpll_d16", "clkph_mck_o", 1, 16),
  71
  72         FACTOR(CLK_TOP_LVDSPLL_D2, "lvdspll_d2", "lvdspll", 1, 2),
  73         FACTOR(CLK_TOP_LVDSPLL_D4, "lvdspll_d4", "lvdspll", 1, 4),
  74         FACTOR(CLK_TOP_LVDSPLL_D8, "lvdspll_d8", "lvdspll", 1, 8),
  75
  76         FACTOR(CLK_TOP_MMPLL, "mmpll_ck", "mmpll", 1, 1),
  77         FACTOR(CLK_TOP_MMPLL_D2, "mmpll_d2", "mmpll", 1, 2),
  78
  79         FACTOR(CLK_TOP_MSDCPLL, "msdcpll_ck", "msdcpll", 1, 1),
  80         FACTOR(CLK_TOP_MSDCPLL_D2, "msdcpll_d2", "msdcpll", 1, 2),
  81         FACTOR(CLK_TOP_MSDCPLL_D4, "msdcpll_d4", "msdcpll", 1, 4),
  82         FACTOR(CLK_TOP_MSDCPLL2, "msdcpll2_ck", "msdcpll2", 1, 1),
  83         FACTOR(CLK_TOP_MSDCPLL2_D2, "msdcpll2_d2", "msdcpll2", 1, 2),
  84         FACTOR(CLK_TOP_MSDCPLL2_D4, "msdcpll2_d4", "msdcpll2", 1, 4),
  85
  86         FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "main_h546m", 1, 1),
  87         FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "main_h546m", 1, 2),
  88         FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "main_h546m", 1, 4),
  89         FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "main_h546m", 1, 8),
  90         FACTOR(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "main_h546m", 1, 16),
  91         FACTOR(CLK_TOP_SYSPLL_D3, "syspll_d3", "main_h364m", 1, 1),
  92         FACTOR(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "main_h364m", 1, 2),
  93         FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "main_h364m", 1, 4),
  94         FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "main_h218p4m", 1, 1),
  95         FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "main_h218p4m", 1, 2),
  96         FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "main_h218p4m", 1, 4),
  97         FACTOR(CLK_TOP_SYSPLL_D7, "syspll_d7", "main_h156m", 1, 1),
  98         FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "main_h156m", 1, 2),
  99         FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "main_h156m", 1, 4),
 100
 101         FACTOR(CLK_TOP_TVDPLL, "tvdpll_ck", "tvdpll_594m", 1, 1),
 102         FACTOR(CLK_TOP_TVDPLL_D2, "tvdpll_d2", "tvdpll_594m", 1, 2),
 103         FACTOR(CLK_TOP_TVDPLL_D4, "tvdpll_d4", "tvdpll_594m", 1, 4),
 104         FACTOR(CLK_TOP_TVDPLL_D8, "tvdpll_d8", "tvdpll_594m", 1, 8),
 105         FACTOR(CLK_TOP_TVDPLL_D16, "tvdpll_d16", "tvdpll_594m", 1, 16),
 106
 107         FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univ_624m", 1, 1),
 108         FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univ_624m", 1, 2),
 109         FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univ_624m", 1, 4),
 110         FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univ_624m", 1, 8),
 111         FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univ_416m", 1, 1),
 112         FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univ_416m", 1, 2),
 113         FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univ_416m", 1, 4),
 114         FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univ_416m", 1, 8),
 115         FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univ_249p6m", 1, 1),
 116         FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univ_249p6m", 1, 2),
 117         FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univ_249p6m", 1, 4),
 118         FACTOR(CLK_TOP_UNIVPLL3_D8, "univpll3_d8", "univ_249p6m", 1, 8),
 119         FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univ_178p3m", 1, 1),
 120         FACTOR(CLK_TOP_UNIVPLL_D26, "univpll_d26", "univ_48m", 1, 1),
 121         FACTOR(CLK_TOP_UNIVPLL_D52, "univpll_d52", "univ_48m", 1, 2),
 122
 123         FACTOR(CLK_TOP_VCODECPLL, "vcodecpll_ck", "vcodecpll", 1, 3),
 124         FACTOR(CLK_TOP_VCODECPLL_370P5, "vcodecpll_370p5", "vcodecpll", 1, 4),
 125
 126         FACTOR(CLK_TOP_VENCPLL, "vencpll_ck", "vencpll", 1, 1),
 127         FACTOR(CLK_TOP_VENCPLL_D2, "vencpll_d2", "vencpll", 1, 2),
 128         FACTOR(CLK_TOP_VENCPLL_D4, "vencpll_d4", "vencpll", 1, 4),
 129 };
 130
 131 static const char * const axi_parents[] __initconst = {
 132         "clk26m",
 133         "syspll1_d2",
 134         "syspll_d5",
 135         "syspll1_d4",
 136         "univpll_d5",
 137         "univpll2_d2",
 138         "dmpll_d2",
 139         "dmpll_d4"
 140 };
 141
 142 static const char * const mem_parents[] __initconst = {
 143         "clk26m",
 144         "dmpll_ck"
 145 };
 146
 147 static const char * const ddrphycfg_parents[] __initconst = {
 148         "clk26m",
 149         "syspll1_d8"
 150 };
 151
 152 static const char * const mm_parents[] __initconst = {
 153         "clk26m",
 154         "vencpll_d2",
 155         "main_h364m",
 156         "syspll1_d2",
 157         "syspll_d5",
 158         "syspll1_d4",
 159         "univpll1_d2",
 160         "univpll2_d2",
 161         "dmpll_d2"
 162 };
 163
 164 static const char * const pwm_parents[] __initconst = {
 165         "clk26m",
 166         "univpll2_d4",
 167         "univpll3_d2",
 168         "univpll1_d4"
 169 };
 170
 171 static const char * const vdec_parents[] __initconst = {
 172         "clk26m",
 173         "vcodecpll_ck",
 174         "tvdpll_445p5m",
 175         "univpll_d3",
 176         "vencpll_d2",
 177         "syspll_d3",
 178         "univpll1_d2",
 179         "mmpll_d2",
 180         "dmpll_d2",
 181         "dmpll_d4"
 182 };
 183
 184 static const char * const venc_parents[] __initconst = {
 185         "clk26m",
 186         "vcodecpll_ck",
 187         "tvdpll_445p5m",
 188         "univpll_d3",
 189         "vencpll_d2",
 190         "syspll_d3",
 191         "univpll1_d2",
 192         "univpll2_d2",
 193         "dmpll_d2",
 194         "dmpll_d4"
 195 };
 196
 197 static const char * const mfg_parents[] __initconst = {
 198         "clk26m",
 199         "mmpll_ck",
 200         "dmpll_ck",
 201         "clk26m",
 202         "clk26m",
 203         "clk26m",
 204         "clk26m",
 205         "clk26m",
 206         "clk26m",
 207         "syspll_d3",
 208         "syspll1_d2",
 209         "syspll_d5",
 210         "univpll_d3",
 211         "univpll1_d2",
 212         "univpll_d5",
 213         "univpll2_d2"
 214 };
 215
 216 static const char * const camtg_parents[] __initconst = {
 217         "clk26m",
 218         "univpll_d26",
 219         "univpll2_d2",
 220         "syspll3_d2",
 221         "syspll3_d4",
 222         "univpll1_d4"
 223 };
 224
 225 static const char * const uart_parents[] __initconst = {
 226         "clk26m",
 227         "univpll2_d8"
 228 };
 229
 230 static const char * const spi_parents[] __initconst = {
 231         "clk26m",
 232         "syspll3_d2",
 233         "syspll1_d4",
 234         "syspll4_d2",
 235         "univpll3_d2",
 236         "univpll2_d4",
 237         "univpll1_d8"
 238 };
 239
 240 static const char * const usb20_parents[] __initconst = {
 241         "clk26m",
 242         "univpll1_d8",
 243         "univpll3_d4"
 244 };
 245
 246 static const char * const usb30_parents[] __initconst = {
 247         "clk26m",
 248         "univpll3_d2",
 249         "usb_syspll_125m",
 250         "univpll2_d4"
 251 };
 252
 253 static const char * const msdc50_0_h_parents[] __initconst = {
 254         "clk26m",
 255         "syspll1_d2",
 256         "syspll2_d2",
 257         "syspll4_d2",
 258         "univpll_d5",
 259         "univpll1_d4"
 260 };
 261
 262 static const char * const msdc50_0_parents[] __initconst = {
 263         "clk26m",
 264         "msdcpll_ck",
 265         "msdcpll_d2",
 266         "univpll1_d4",
 267         "syspll2_d2",
 268         "syspll_d7",
 269         "msdcpll_d4",
 270         "vencpll_d4",
 271         "tvdpll_ck",
 272         "univpll_d2",
 273         "univpll1_d2",
 274         "mmpll_ck",
 275         "msdcpll2_ck",
 276         "msdcpll2_d2",
 277         "msdcpll2_d4"
 278 };
 279
 280 static const char * const msdc30_1_parents[] __initconst = {
 281         "clk26m",
 282         "univpll2_d2",
 283         "msdcpll_d4",
 284         "univpll1_d4",
 285         "syspll2_d2",
 286         "syspll_d7",
 287         "univpll_d7",
 288         "vencpll_d4"
 289 };
 290
 291 static const char * const msdc30_2_parents[] __initconst = {
 292         "clk26m",
 293         "univpll2_d2",
 294         "msdcpll_d4",
 295         "univpll1_d4",
 296         "syspll2_d2",
 297         "syspll_d7",
 298         "univpll_d7",
 299         "vencpll_d2"
 300 };
 301
 302 static const char * const msdc30_3_parents[] __initconst = {
 303         "clk26m",
 304         "msdcpll2_ck",
 305         "msdcpll2_d2",
 306         "univpll2_d2",
 307         "msdcpll2_d4",
 308         "msdcpll_d4",
 309         "univpll1_d4",
 310         "syspll2_d2",
 311         "syspll_d7",
 312         "univpll_d7",
 313         "vencpll_d4",
 314         "msdcpll_ck",
 315         "msdcpll_d2",
 316         "msdcpll_d4"
 317 };
 318
 319 static const char * const audio_parents[] __initconst = {
 320         "clk26m",
 321         "syspll3_d4",
 322         "syspll4_d4",
 323         "syspll1_d16"
 324 };
 325
 326 static const char * const aud_intbus_parents[] __initconst = {
 327         "clk26m",
 328         "syspll1_d4",
 329         "syspll4_d2",
 330         "univpll3_d2",
 331         "univpll2_d8",
 332         "dmpll_d4",
 333         "dmpll_d8"
 334 };
 335
 336 static const char * const pmicspi_parents[] __initconst = {
 337         "clk26m",
 338         "syspll1_d8",
 339         "syspll3_d4",
 340         "syspll1_d16",
 341         "univpll3_d4",
 342         "univpll_d26",
 343         "dmpll_d8",
 344         "dmpll_d16"
 345 };
 346
 347 static const char * const scp_parents[] __initconst = {
 348         "clk26m",
 349         "syspll1_d2",
 350         "univpll_d5",
 351         "syspll_d5",
 352         "dmpll_d2",
 353         "dmpll_d4"
 354 };
 355
 356 static const char * const atb_parents[] __initconst = {
 357         "clk26m",
 358         "syspll1_d2",
 359         "univpll_d5",
 360         "dmpll_d2"
 361 };
 362
 363 static const char * const venc_lt_parents[] __initconst = {
 364         "clk26m",
 365         "univpll_d3",
 366         "vcodecpll_ck",
 367         "tvdpll_445p5m",
 368         "vencpll_d2",
 369         "syspll_d3",
 370         "univpll1_d2",
 371         "univpll2_d2",
 372         "syspll1_d2",
 373         "univpll_d5",
 374         "vcodecpll_370p5",
 375         "dmpll_ck"
 376 };
 377
 378 static const char * const dpi0_parents[] __initconst = {
 379         "clk26m",
 380         "tvdpll_d2",
 381         "tvdpll_d4",
 382         "clk26m",
 383         "clk26m",
 384         "tvdpll_d8",
 385         "tvdpll_d16"
 386 };
 387
 388 static const char * const irda_parents[] __initconst = {
 389         "clk26m",
 390         "univpll2_d4",
 391         "syspll2_d4"
 392 };
 393
 394 static const char * const cci400_parents[] __initconst = {
 395         "clk26m",
 396         "vencpll_ck",
 397         "armca7pll_754m",
 398         "armca7pll_502m",
 399         "univpll_d2",
 400         "syspll_d2",
 401         "msdcpll_ck",
 402         "dmpll_ck"
 403 };
 404
 405 static const char * const aud_1_parents[] __initconst = {
 406         "clk26m",
 407         "apll1_ck",
 408         "univpll2_d4",
 409         "univpll2_d8"
 410 };
 411
 412 static const char * const aud_2_parents[] __initconst = {
 413         "clk26m",
 414         "apll2_ck",
 415         "univpll2_d4",
 416         "univpll2_d8"
 417 };
 418
 419 static const char * const mem_mfg_in_parents[] __initconst = {
 420         "clk26m",
 421         "mmpll_ck",
 422         "dmpll_ck",
 423         "clk26m"
 424 };
 425
 426 static const char * const axi_mfg_in_parents[] __initconst = {
 427         "clk26m",
 428         "axi_sel",
 429         "dmpll_d2"
 430 };
 431
 432 static const char * const scam_parents[] __initconst = {
 433         "clk26m",
 434         "syspll3_d2",
 435         "univpll2_d4",
 436         "dmpll_d4"
 437 };
 438
 439 static const char * const spinfi_ifr_parents[] __initconst = {
 440         "clk26m",
 441         "univpll2_d8",
 442         "univpll3_d4",
 443         "syspll4_d2",
 444         "univpll2_d4",
 445         "univpll3_d2",
 446         "syspll1_d4",
 447         "univpll1_d4"
 448 };
 449
 450 static const char * const hdmi_parents[] __initconst = {
 451         "clk26m",
 452         "hdmitx_dig_cts",
 453         "hdmitxpll_d2",
 454         "hdmitxpll_d3"
 455 };
 456
 457 static const char * const dpilvds_parents[] __initconst = {
 458         "clk26m",
 459         "lvdspll",
 460         "lvdspll_d2",
 461         "lvdspll_d4",
 462         "lvdspll_d8",
 463         "fpc_ck"
 464 };
 465
 466 static const char * const msdc50_2_h_parents[] __initconst = {
 467         "clk26m",
 468         "syspll1_d2",
 469         "syspll2_d2",
 470         "syspll4_d2",
 471         "univpll_d5",
 472         "univpll1_d4"
 473 };
 474
 475 static const char * const hdcp_parents[] __initconst = {
 476         "clk26m",
 477         "syspll4_d2",
 478         "syspll3_d4",
 479         "univpll2_d4"
 480 };
 481
 482 static const char * const hdcp_24m_parents[] __initconst = {
 483         "clk26m",
 484         "univpll_d26",
 485         "univpll_d52",
 486         "univpll2_d8"
 487 };
 488
 489 static const char * const rtc_parents[] __initconst = {
 490         "clkrtc_int",
 491         "clkrtc_ext",
 492         "clk26m",
 493         "univpll3_d8"
 494 };
 495
 496 static const char * const i2s0_m_ck_parents[] __initconst = {
 497         "apll1_div1",
 498         "apll2_div1"
 499 };
 500
 501 static const char * const i2s1_m_ck_parents[] __initconst = {
 502         "apll1_div2",
 503         "apll2_div2"
 504 };
 505
 506 static const char * const i2s2_m_ck_parents[] __initconst = {
 507         "apll1_div3",
 508         "apll2_div3"
 509 };
 510
 511 static const char * const i2s3_m_ck_parents[] __initconst = {
 512         "apll1_div4",
 513         "apll2_div4"
 514 };
 515
 516 static const char * const i2s3_b_ck_parents[] __initconst = {
 517         "apll1_div5",
 518         "apll2_div5"
 519 };
 520
 521 static const struct mtk_composite top_muxes[] __initconst = {
 522         /* CLK_CFG_0 */
 523         MUX(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, 0x0040, 0, 3),
 524         MUX(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, 0x0040, 8, 1),
 525         MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents, 0x0040, 16, 1, 23),
 526         MUX_GATE(CLK_TOP_MM_SEL, "mm_sel", mm_parents, 0x0040, 24, 4, 31),
 527         /* CLK_CFG_1 */
 528         MUX_GATE(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x0050, 0, 2, 7),
 529         MUX_GATE(CLK_TOP_VDEC_SEL, "vdec_sel", vdec_parents, 0x0050, 8, 4, 15),
 530         MUX_GATE(CLK_TOP_VENC_SEL, "venc_sel", venc_parents, 0x0050, 16, 4, 23),
 531         MUX_GATE(CLK_TOP_MFG_SEL, "mfg_sel", mfg_parents, 0x0050, 24, 4, 31),
 532         /* CLK_CFG_2 */
 533         MUX_GATE(CLK_TOP_CAMTG_SEL, "camtg_sel", camtg_parents, 0x0060, 0, 3, 7),
 534         MUX_GATE(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x0060, 8, 1, 15),
 535         MUX_GATE(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x0060, 16, 3, 23),
 536         MUX_GATE(CLK_TOP_USB20_SEL, "usb20_sel", usb20_parents, 0x0060, 24, 2, 31),
 537         /* CLK_CFG_3 */
 538         MUX_GATE(CLK_TOP_USB30_SEL, "usb30_sel", usb30_parents, 0x0070, 0, 2, 7),
 539         MUX_GATE(CLK_TOP_MSDC50_0_H_SEL, "msdc50_0_h_sel", msdc50_0_h_parents, 0x0070, 8, 3, 15),
 540         MUX_GATE(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel", msdc50_0_parents, 0x0070, 16, 4, 23),
 541         MUX_GATE(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", msdc30_1_parents, 0x0070, 24, 3, 31),
 542         /* CLK_CFG_4 */
 543         MUX_GATE(CLK_TOP_MSDC30_2_SEL, "msdc30_2_sel", msdc30_2_parents, 0x0080, 0, 3, 7),
 544         MUX_GATE(CLK_TOP_MSDC30_3_SEL, "msdc30_3_sel", msdc30_3_parents, 0x0080, 8, 4, 15),
 545         MUX_GATE(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents, 0x0080, 16, 2, 23),
 546         MUX_GATE(CLK_TOP_AUD_INTBUS_SEL, "aud_intbus_sel", aud_intbus_parents, 0x0080, 24, 3, 31),
 547         /* CLK_CFG_5 */
 548         MUX_GATE(CLK_TOP_PMICSPI_SEL, "pmicspi_sel", pmicspi_parents, 0x0090, 0, 3, 7 /* 7:5 */),
 549         MUX_GATE(CLK_TOP_SCP_SEL, "scp_sel", scp_parents, 0x0090, 8, 3, 15),
 550         MUX_GATE(CLK_TOP_ATB_SEL, "atb_sel", atb_parents, 0x0090, 16, 2, 23),
 551         MUX_GATE(CLK_TOP_VENC_LT_SEL, "venclt_sel", venc_lt_parents, 0x0090, 24, 4, 31),
 552         /* CLK_CFG_6 */
 553         MUX_GATE(CLK_TOP_DPI0_SEL, "dpi0_sel", dpi0_parents, 0x00a0, 0, 3, 7),
 554         MUX_GATE(CLK_TOP_IRDA_SEL, "irda_sel", irda_parents, 0x00a0, 8, 2, 15),
 555         MUX_GATE(CLK_TOP_CCI400_SEL, "cci400_sel", cci400_parents, 0x00a0, 16, 3, 23),
 556         MUX_GATE(CLK_TOP_AUD_1_SEL, "aud_1_sel", aud_1_parents, 0x00a0, 24, 2, 31),
 557         /* CLK_CFG_7 */
 558         MUX_GATE(CLK_TOP_AUD_2_SEL, "aud_2_sel", aud_2_parents, 0x00b0, 0, 2, 7),
 559         MUX_GATE(CLK_TOP_MEM_MFG_IN_SEL, "mem_mfg_in_sel", mem_mfg_in_parents, 0x00b0, 8, 2, 15),
 560         MUX_GATE(CLK_TOP_AXI_MFG_IN_SEL, "axi_mfg_in_sel", axi_mfg_in_parents, 0x00b0, 16, 2, 23),
 561         MUX_GATE(CLK_TOP_SCAM_SEL, "scam_sel", scam_parents, 0x00b0, 24, 2, 31),
 562         /* CLK_CFG_12 */
 563         MUX_GATE(CLK_TOP_SPINFI_IFR_SEL, "spinfi_ifr_sel", spinfi_ifr_parents, 0x00c0, 0, 3, 7),
 564         MUX_GATE(CLK_TOP_HDMI_SEL, "hdmi_sel", hdmi_parents, 0x00c0, 8, 2, 15),
 565         MUX_GATE(CLK_TOP_DPILVDS_SEL, "dpilvds_sel", dpilvds_parents, 0x00c0, 24, 3, 31),
 566         /* CLK_CFG_13 */
 567         MUX_GATE(CLK_TOP_MSDC50_2_H_SEL, "msdc50_2_h_sel", msdc50_2_h_parents, 0x00d0, 0, 3, 7),
 568         MUX_GATE(CLK_TOP_HDCP_SEL, "hdcp_sel", hdcp_parents, 0x00d0, 8, 2, 15),
 569         MUX_GATE(CLK_TOP_HDCP_24M_SEL, "hdcp_24m_sel", hdcp_24m_parents, 0x00d0, 16, 2, 23),
 570         MUX(CLK_TOP_RTC_SEL, "rtc_sel", rtc_parents, 0x00d0, 24, 2),
 571
 572         DIV_GATE(CLK_TOP_APLL1_DIV0, "apll1_div0", "aud_1_sel", 0x12c, 8, 0x120, 4, 24),
 573         DIV_GATE(CLK_TOP_APLL1_DIV1, "apll1_div1", "aud_1_sel", 0x12c, 9, 0x124, 8, 0),
 574         DIV_GATE(CLK_TOP_APLL1_DIV2, "apll1_div2", "aud_1_sel", 0x12c, 10, 0x124, 8, 8),
 575         DIV_GATE(CLK_TOP_APLL1_DIV3, "apll1_div3", "aud_1_sel", 0x12c, 11, 0x124, 8, 16),
 576         DIV_GATE(CLK_TOP_APLL1_DIV4, "apll1_div4", "aud_1_sel", 0x12c, 12, 0x124, 8, 24),
 577         DIV_GATE(CLK_TOP_APLL1_DIV5, "apll1_div5", "apll1_div4", 0x12c, 13, 0x12c, 4, 0),
 578
 579         DIV_GATE(CLK_TOP_APLL2_DIV0, "apll2_div0", "aud_2_sel", 0x12c, 16, 0x120, 4, 28),
 580         DIV_GATE(CLK_TOP_APLL2_DIV1, "apll2_div1", "aud_2_sel", 0x12c, 17, 0x128, 8, 0),
 581         DIV_GATE(CLK_TOP_APLL2_DIV2, "apll2_div2", "aud_2_sel", 0x12c, 18, 0x128, 8, 8),
 582         DIV_GATE(CLK_TOP_APLL2_DIV3, "apll2_div3", "aud_2_sel", 0x12c, 19, 0x128, 8, 16),
 583         DIV_GATE(CLK_TOP_APLL2_DIV4, "apll2_div4", "aud_2_sel", 0x12c, 20, 0x128, 8, 24),
 584         DIV_GATE(CLK_TOP_APLL2_DIV5, "apll2_div5", "apll2_div4", 0x12c, 21, 0x12c, 4, 4),
 585
 586         MUX(CLK_TOP_I2S0_M_SEL, "i2s0_m_ck_sel", i2s0_m_ck_parents, 0x120, 4, 1),
 587         MUX(CLK_TOP_I2S1_M_SEL, "i2s1_m_ck_sel", i2s1_m_ck_parents, 0x120, 5, 1),
 588         MUX(CLK_TOP_I2S2_M_SEL, "i2s2_m_ck_sel", i2s2_m_ck_parents, 0x120, 6, 1),
 589         MUX(CLK_TOP_I2S3_M_SEL, "i2s3_m_ck_sel", i2s3_m_ck_parents, 0x120, 7, 1),
 590         MUX(CLK_TOP_I2S3_B_SEL, "i2s3_b_ck_sel", i2s3_b_ck_parents, 0x120, 8, 1),
 591 };
 592
 593 static const struct mtk_gate_regs infra_cg_regs = {
 594         .set_ofs = 0x0040,
 595         .clr_ofs = 0x0044,
 596         .sta_ofs = 0x0048,
 597 };
 598
 599 #define GATE_ICG(_id, _name, _parent, _shift) { \
 600                 .id = _id,                                      \
 601                 .name = _name,                                  \
 602                 .parent_name = _parent,                         \
 603                 .regs = &infra_cg_regs,                         \
 604                 .shift = _shift,                                \
 605                 .ops = &mtk_clk_gate_ops_setclr,                \
 606         }
 607
 608 static const struct mtk_gate infra_clks[] __initconst = {
 609         GATE_ICG(CLK_INFRA_DBGCLK, "infra_dbgclk", "axi_sel", 0),
 610         GATE_ICG(CLK_INFRA_SMI, "infra_smi", "mm_sel", 1),
 611         GATE_ICG(CLK_INFRA_AUDIO, "infra_audio", "aud_intbus_sel", 5),
 612         GATE_ICG(CLK_INFRA_GCE, "infra_gce", "axi_sel", 6),
 613         GATE_ICG(CLK_INFRA_L2C_SRAM, "infra_l2c_sram", "axi_sel", 7),
 614         GATE_ICG(CLK_INFRA_M4U, "infra_m4u", "mem_sel", 8),
 615         GATE_ICG(CLK_INFRA_CPUM, "infra_cpum", "clk_null", 15),
 616         GATE_ICG(CLK_INFRA_KP, "infra_kp", "axi_sel", 16),
 617         GATE_ICG(CLK_INFRA_CEC, "infra_cec", "clk26m", 18),
 618         GATE_ICG(CLK_INFRA_PMICSPI, "infra_pmicspi", "pmicspi_sel", 22),
 619         GATE_ICG(CLK_INFRA_PMICWRAP, "infra_pmicwrap", "axi_sel", 23),
 620 };
 621
 622 static const struct mtk_gate_regs peri0_cg_regs = {
 623         .set_ofs = 0x0008,
 624         .clr_ofs = 0x0010,
 625         .sta_ofs = 0x0018,
 626 };
 627
 628 static const struct mtk_gate_regs peri1_cg_regs = {
 629         .set_ofs = 0x000c,
 630         .clr_ofs = 0x0014,
 631         .sta_ofs = 0x001c,
 632 };
 633
 634 #define GATE_PERI0(_id, _name, _parent, _shift) {       \
 635                 .id = _id,                                      \
 636                 .name = _name,                                  \
 637                 .parent_name = _parent,                         \
 638                 .regs = &peri0_cg_regs,                         \
 639                 .shift = _shift,                                \
 640                 .ops = &mtk_clk_gate_ops_setclr,                \
 641         }
 642
 643 #define GATE_PERI1(_id, _name, _parent, _shift) {       \
 644                 .id = _id,                                      \
 645                 .name = _name,                                  \
 646                 .parent_name = _parent,                         \
 647                 .regs = &peri1_cg_regs,                         \
 648                 .shift = _shift,                                \
 649                 .ops = &mtk_clk_gate_ops_setclr,                \
 650         }
 651
 652 static const struct mtk_gate peri_gates[] __initconst = {
 653         /* PERI0 */
 654         GATE_PERI0(CLK_PERI_NFI, "peri_nfi", "axi_sel", 0),
 655         GATE_PERI0(CLK_PERI_THERM, "peri_therm", "axi_sel", 1),
 656         GATE_PERI0(CLK_PERI_PWM1, "peri_pwm1", "axi_sel", 2),
 657         GATE_PERI0(CLK_PERI_PWM2, "peri_pwm2", "axi_sel", 3),
 658         GATE_PERI0(CLK_PERI_PWM3, "peri_pwm3", "axi_sel", 4),
 659         GATE_PERI0(CLK_PERI_PWM4, "peri_pwm4", "axi_sel", 5),
 660         GATE_PERI0(CLK_PERI_PWM5, "peri_pwm5", "axi_sel", 6),
 661         GATE_PERI0(CLK_PERI_PWM6, "peri_pwm6", "axi_sel", 7),
 662         GATE_PERI0(CLK_PERI_PWM7, "peri_pwm7", "axi_sel", 8),
 663         GATE_PERI0(CLK_PERI_PWM, "peri_pwm", "axi_sel", 9),
 664         GATE_PERI0(CLK_PERI_USB0, "peri_usb0", "usb20_sel", 10),
 665         GATE_PERI0(CLK_PERI_USB1, "peri_usb1", "usb20_sel", 11),
 666         GATE_PERI0(CLK_PERI_AP_DMA, "peri_ap_dma", "axi_sel", 12),
 667         GATE_PERI0(CLK_PERI_MSDC30_0, "peri_msdc30_0", "msdc50_0_sel", 13),
 668         GATE_PERI0(CLK_PERI_MSDC30_1, "peri_msdc30_1", "msdc30_1_sel", 14),
 669         GATE_PERI0(CLK_PERI_MSDC30_2, "peri_msdc30_2", "msdc30_2_sel", 15),
 670         GATE_PERI0(CLK_PERI_MSDC30_3, "peri_msdc30_3", "msdc30_3_sel", 16),
 671         GATE_PERI0(CLK_PERI_NLI_ARB, "peri_nli_arb", "axi_sel", 17),
 672         GATE_PERI0(CLK_PERI_IRDA, "peri_irda", "irda_sel", 18),
 673         GATE_PERI0(CLK_PERI_UART0, "peri_uart0", "axi_sel", 19),
 674         GATE_PERI0(CLK_PERI_UART1, "peri_uart1", "axi_sel", 20),
 675         GATE_PERI0(CLK_PERI_UART2, "peri_uart2", "axi_sel", 21),
 676         GATE_PERI0(CLK_PERI_UART3, "peri_uart3", "axi_sel", 22),
 677         GATE_PERI0(CLK_PERI_I2C0, "peri_i2c0", "axi_sel", 23),
 678         GATE_PERI0(CLK_PERI_I2C1, "peri_i2c1", "axi_sel", 24),
 679         GATE_PERI0(CLK_PERI_I2C2, "peri_i2c2", "axi_sel", 25),
 680         GATE_PERI0(CLK_PERI_I2C3, "peri_i2c3", "axi_sel", 26),
 681         GATE_PERI0(CLK_PERI_I2C4, "peri_i2c4", "axi_sel", 27),
 682         GATE_PERI0(CLK_PERI_AUXADC, "peri_auxadc", "clk26m", 28),
 683         GATE_PERI0(CLK_PERI_SPI0, "peri_spi0", "spi_sel", 29),
 684         GATE_PERI0(CLK_PERI_I2C5, "peri_i2c5", "axi_sel", 30),
 685         GATE_PERI0(CLK_PERI_NFIECC, "peri_nfiecc", "axi_sel", 31),
 686         /* PERI1 */
 687         GATE_PERI1(CLK_PERI_SPI, "peri_spi", "spi_sel", 0),
 688         GATE_PERI1(CLK_PERI_IRRX, "peri_irrx", "spi_sel", 1),
 689         GATE_PERI1(CLK_PERI_I2C6, "peri_i2c6", "axi_sel", 2),
 690 };
 691
 692 static const char * const uart_ck_sel_parents[] __initconst = {
 693         "clk26m",
 694         "uart_sel",
 695 };
 696
 697 static const struct mtk_composite peri_clks[] __initconst = {
 698         MUX(CLK_PERI_UART0_SEL, "uart0_ck_sel", uart_ck_sel_parents, 0x40c, 0, 1),
 699         MUX(CLK_PERI_UART1_SEL, "uart1_ck_sel", uart_ck_sel_parents, 0x40c, 1, 1),
 700         MUX(CLK_PERI_UART2_SEL, "uart2_ck_sel", uart_ck_sel_parents, 0x40c, 2, 1),
 701         MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1),
 702 };
 703
 704 static struct clk_onecell_data *mt8173_top_clk_data __initdata;
 705 static struct clk_onecell_data *mt8173_pll_clk_data __initdata;
 706
 707 static void __init mtk_clk_enable_critical(void)
 708 {
 709         if (!mt8173_top_clk_data || !mt8173_pll_clk_data)
 710                 return;
 711
 712         clk_prepare_enable(mt8173_pll_clk_data->clks[CLK_APMIXED_ARMCA15PLL]);
 713         clk_prepare_enable(mt8173_pll_clk_data->clks[CLK_APMIXED_ARMCA7PLL]);
 714         clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_MEM_SEL]);
 715         clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_DDRPHYCFG_SEL]);
 716         clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_CCI400_SEL]);
 717         clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_RTC_SEL]);
 718 }
 719
 720 static void __init mtk_topckgen_init(struct device_node *node)
 721 {
 722         struct clk_onecell_data *clk_data;
 723         void __iomem *base;
 724         int r;
 725
 726         base = of_iomap(node, 0);
 727         if (!base) {
 728                 pr_err("%s(): ioremap failed\n", __func__);
 729                 return;
 730         }
 731
 732         mt8173_top_clk_data = clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
 733
 734         mtk_clk_register_factors(root_clk_alias, ARRAY_SIZE(root_clk_alias), clk_data);
 735         mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
 736         mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base,
 737                         &mt8173_clk_lock, clk_data);
 738
 739         r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
 740         if (r)
 741                 pr_err("%s(): could not register clock provider: %d\n",
 742                         __func__, r);
 743
 744         mtk_clk_enable_critical();
 745 }
 746 CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt8173-topckgen", mtk_topckgen_init);
 747
 748 static void __init mtk_infrasys_init(struct device_node *node)
 749 {
 750         struct clk_onecell_data *clk_data;
 751         int r;
 752
 753         clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK);
 754
 755         mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks),
 756                                                 clk_data);
 757
 758         r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
 759         if (r)
 760                 pr_err("%s(): could not register clock provider: %d\n",
 761                         __func__, r);
 762
 763         mtk_register_reset_controller(node, 2, 0x30);
 764 }
 765 CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8173-infracfg", mtk_infrasys_init);
 766
 767 static void __init mtk_pericfg_init(struct device_node *node)
 768 {
 769         struct clk_onecell_data *clk_data;
 770         int r;
 771         void __iomem *base;
 772
 773         base = of_iomap(node, 0);
 774         if (!base) {
 775                 pr_err("%s(): ioremap failed\n", __func__);
 776                 return;
 777         }
 778
 779         clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK);
 780
 781         mtk_clk_register_gates(node, peri_gates, ARRAY_SIZE(peri_gates),
 782                                                 clk_data);
 783         mtk_clk_register_composites(peri_clks, ARRAY_SIZE(peri_clks), base,
 784                         &mt8173_clk_lock, clk_data);
 785
 786         r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
 787         if (r)
 788                 pr_err("%s(): could not register clock provider: %d\n",
 789                         __func__, r);
 790
 791         mtk_register_reset_controller(node, 2, 0);
 792 }
 793 CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8173-pericfg", mtk_pericfg_init);
 794
 795 #define MT8173_PLL_FMAX         (3000UL * MHZ)
 796
 797 #define CON0_MT8173_RST_BAR     BIT(24)
 798
 799 #define PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits,   \
 800                         _pd_reg, _pd_shift, _tuner_reg, _pcw_reg,       \
 801                         _pcw_shift, _div_table) {                       \
 802                 .id = _id,                                              \
 803                 .name = _name,                                          \
 804                 .reg = _reg,                                            \
 805                 .pwr_reg = _pwr_reg,                                    \
 806                 .en_mask = _en_mask,                                    \
 807                 .flags = _flags,                                        \
 808                 .rst_bar_mask = CON0_MT8173_RST_BAR,                    \
 809                 .fmax = MT8173_PLL_FMAX,                                \
 810                 .pcwbits = _pcwbits,                                    \
 811                 .pd_reg = _pd_reg,                                      \
 812                 .pd_shift = _pd_shift,                                  \
 813                 .tuner_reg = _tuner_reg,                                \
 814                 .pcw_reg = _pcw_reg,                                    \
 815                 .pcw_shift = _pcw_shift,                                \
 816                 .div_table = _div_table,                                \
 817         }
 818
 819 #define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits,     \
 820                         _pd_reg, _pd_shift, _tuner_reg, _pcw_reg,       \
 821                         _pcw_shift)                                     \
 822                 PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
 823                         _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, \
 824                         NULL)
 825
 826 static const struct mtk_pll_div_table mmpll_div_table[] = {
 827         { .div = 0, .freq = MT8173_PLL_FMAX },
 828         { .div = 1, .freq = 1000000000 },
 829         { .div = 2, .freq = 702000000 },
 830         { .div = 3, .freq = 253500000 },
 831         { .div = 4, .freq = 126750000 },
 832         { } /* sentinel */
 833 };
 834
 835 static const struct mtk_pll_data plls[] = {
 836         PLL(CLK_APMIXED_ARMCA15PLL, "armca15pll", 0x200, 0x20c, 0x00000001, 0, 21, 0x204, 24, 0x0, 0x204, 0),
 837         PLL(CLK_APMIXED_ARMCA7PLL, "armca7pll", 0x210, 0x21c, 0x00000001, 0, 21, 0x214, 24, 0x0, 0x214, 0),
 838         PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x220, 0x22c, 0xf0000101, HAVE_RST_BAR, 21, 0x220, 4, 0x0, 0x224, 0),
 839         PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x230, 0x23c, 0xfe000001, HAVE_RST_BAR, 7, 0x230, 4, 0x0, 0x234, 14),
 840         PLL_B(CLK_APMIXED_MMPLL, "mmpll", 0x240, 0x24c, 0x00000001, 0, 21, 0x244, 24, 0x0, 0x244, 0, mmpll_div_table),
 841         PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x250, 0x25c, 0x00000001, 0, 21, 0x250, 4, 0x0, 0x254, 0),
 842         PLL(CLK_APMIXED_VENCPLL, "vencpll", 0x260, 0x26c, 0x00000001, 0, 21, 0x260, 4, 0x0, 0x264, 0),
 843         PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x270, 0x27c, 0x00000001, 0, 21, 0x270, 4, 0x0, 0x274, 0),
 844         PLL(CLK_APMIXED_MPLL, "mpll", 0x280, 0x28c, 0x00000001, 0, 21, 0x280, 4, 0x0, 0x284, 0),
 845         PLL(CLK_APMIXED_VCODECPLL, "vcodecpll", 0x290, 0x29c, 0x00000001, 0, 21, 0x290, 4, 0x0, 0x294, 0),
 846         PLL(CLK_APMIXED_APLL1, "apll1", 0x2a0, 0x2b0, 0x00000001, 0, 31, 0x2a0, 4, 0x2a4, 0x2a4, 0),
 847         PLL(CLK_APMIXED_APLL2, "apll2", 0x2b4, 0x2c4, 0x00000001, 0, 31, 0x2b4, 4, 0x2b8, 0x2b8, 0),
 848         PLL(CLK_APMIXED_LVDSPLL, "lvdspll", 0x2d0, 0x2dc, 0x00000001, 0, 21, 0x2d0, 4, 0x0, 0x2d4, 0),
 849         PLL(CLK_APMIXED_MSDCPLL2, "msdcpll2", 0x2f0, 0x2fc, 0x00000001, 0, 21, 0x2f0, 4, 0x0, 0x2f4, 0),
 850 };
 851
 852 static void __init mtk_apmixedsys_init(struct device_node *node)
 853 {
 854         struct clk_onecell_data *clk_data;
 855
 856         mt8173_pll_clk_data = clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
 857         if (!clk_data)
 858                 return;
 859
 860         mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
 861
 862         mtk_clk_enable_critical();
 863 }
 864 CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt8173-apmixedsys",
 865                 mtk_apmixedsys_init);