drivers/clk/qcom/gpucc-sa8775p.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. All rights reserved.
   4  * Copyright (c) 2023, Linaro Limited
   5  */
   6
   7 #include <linux/clk-provider.h>
   8 #include <linux/err.h>
   9 #include <linux/kernel.h>
  10 #include <linux/mod_devicetable.h>
  11 #include <linux/module.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/regmap.h>
  14
  15 #include <dt-bindings/clock/qcom,sa8775p-gpucc.h>
  16
  17 #include "clk-alpha-pll.h"
  18 #include "clk-branch.h"
  19 #include "clk-rcg.h"
  20 #include "clk-regmap.h"
  21 #include "clk-regmap-divider.h"
  22 #include "common.h"
  23 #include "reset.h"
  24 #include "gdsc.h"
  25
  26 /* Need to match the order of clocks in DT binding */
  27 enum {
  28         DT_BI_TCXO,
  29         DT_GCC_GPU_GPLL0_CLK_SRC,
  30         DT_GCC_GPU_GPLL0_DIV_CLK_SRC,
  31 };
  32
  33 enum {
  34         P_BI_TCXO,
  35         P_GPLL0_OUT_MAIN,
  36         P_GPLL0_OUT_MAIN_DIV,
  37         P_GPU_CC_PLL0_OUT_MAIN,
  38         P_GPU_CC_PLL1_OUT_MAIN,
  39 };
  40
  41 static const struct clk_parent_data parent_data_tcxo = { .index = DT_BI_TCXO };
  42
  43 static const struct pll_vco lucid_evo_vco[] = {
  44         { 249600000, 2020000000, 0 },
  45 };
  46
  47 /* 810MHz configuration */
  48 static struct alpha_pll_config gpu_cc_pll0_config = {
  49         .l = 0x2a,
  50         .alpha = 0x3000,
  51         .config_ctl_val = 0x20485699,
  52         .config_ctl_hi_val = 0x00182261,
  53         .config_ctl_hi1_val = 0x32aa299c,
  54         .user_ctl_val = 0x00000001,
  55         .user_ctl_hi_val = 0x00400805,
  56 };
  57
  58 static struct clk_alpha_pll gpu_cc_pll0 = {
  59         .offset = 0x0,
  60         .vco_table = lucid_evo_vco,
  61         .num_vco = ARRAY_SIZE(lucid_evo_vco),
  62         .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO],
  63         .clkr = {
  64                 .hw.init = &(const struct clk_init_data){
  65                         .name = "gpu_cc_pll0",
  66                         .parent_data = &parent_data_tcxo,
  67                         .num_parents = 1,
  68                         .ops = &clk_alpha_pll_lucid_evo_ops,
  69                 },
  70         },
  71 };
  72
  73 /* 1000MHz configuration */
  74 static struct alpha_pll_config gpu_cc_pll1_config = {
  75         .l = 0x34,
  76         .alpha = 0x1555,
  77         .config_ctl_val = 0x20485699,
  78         .config_ctl_hi_val = 0x00182261,
  79         .config_ctl_hi1_val = 0x32aa299c,
  80         .user_ctl_val = 0x00000001,
  81         .user_ctl_hi_val = 0x00400805,
  82 };
  83
  84 static struct clk_alpha_pll gpu_cc_pll1 = {
  85         .offset = 0x1000,
  86         .vco_table = lucid_evo_vco,
  87         .num_vco = ARRAY_SIZE(lucid_evo_vco),
  88         .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO],
  89         .clkr = {
  90                 .hw.init = &(const struct clk_init_data){
  91                         .name = "gpu_cc_pll1",
  92                         .parent_data = &parent_data_tcxo,
  93                         .num_parents = 1,
  94                         .ops = &clk_alpha_pll_lucid_evo_ops,
  95                 },
  96         },
  97 };
  98
  99 static const struct parent_map gpu_cc_parent_map_0[] = {
 100         { P_BI_TCXO, 0 },
 101         { P_GPLL0_OUT_MAIN, 5 },
 102         { P_GPLL0_OUT_MAIN_DIV, 6 },
 103 };
 104
 105 static const struct clk_parent_data gpu_cc_parent_data_0[] = {
 106         { .index = DT_BI_TCXO },
 107         { .index = DT_GCC_GPU_GPLL0_CLK_SRC },
 108         { .index = DT_GCC_GPU_GPLL0_DIV_CLK_SRC },
 109 };
 110
 111 static const struct parent_map gpu_cc_parent_map_1[] = {
 112         { P_BI_TCXO, 0 },
 113         { P_GPU_CC_PLL0_OUT_MAIN, 1 },
 114         { P_GPU_CC_PLL1_OUT_MAIN, 3 },
 115         { P_GPLL0_OUT_MAIN, 5 },
 116         { P_GPLL0_OUT_MAIN_DIV, 6 },
 117 };
 118
 119 static const struct clk_parent_data gpu_cc_parent_data_1[] = {
 120         { .index = DT_BI_TCXO },
 121         { .hw = &gpu_cc_pll0.clkr.hw },
 122         { .hw = &gpu_cc_pll1.clkr.hw },
 123         { .index = DT_GCC_GPU_GPLL0_CLK_SRC },
 124         { .index = DT_GCC_GPU_GPLL0_DIV_CLK_SRC },
 125 };
 126
 127 static const struct parent_map gpu_cc_parent_map_2[] = {
 128         { P_BI_TCXO, 0 },
 129         { P_GPU_CC_PLL1_OUT_MAIN, 3 },
 130         { P_GPLL0_OUT_MAIN, 5 },
 131         { P_GPLL0_OUT_MAIN_DIV, 6 },
 132 };
 133
 134 static const struct clk_parent_data gpu_cc_parent_data_2[] = {
 135         { .index = DT_BI_TCXO },
 136         { .hw = &gpu_cc_pll1.clkr.hw },
 137         { .index = DT_GCC_GPU_GPLL0_CLK_SRC },
 138         { .index = DT_GCC_GPU_GPLL0_DIV_CLK_SRC },
 139 };
 140
 141 static const struct parent_map gpu_cc_parent_map_3[] = {
 142         { P_BI_TCXO, 0 },
 143 };
 144
 145 static const struct clk_parent_data gpu_cc_parent_data_3[] = {
 146         { .index = DT_BI_TCXO },
 147 };
 148
 149 static const struct freq_tbl ftbl_gpu_cc_ff_clk_src[] = {
 150         F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0),
 151         { }
 152 };
 153
 154 static struct clk_rcg2 gpu_cc_ff_clk_src = {
 155         .cmd_rcgr = 0x9474,
 156         .mnd_width = 0,
 157         .hid_width = 5,
 158         .parent_map = gpu_cc_parent_map_0,
 159         .freq_tbl = ftbl_gpu_cc_ff_clk_src,
 160         .clkr.hw.init = &(const struct clk_init_data){
 161                 .name = "gpu_cc_ff_clk_src",
 162                 .parent_data = gpu_cc_parent_data_0,
 163                 .num_parents = ARRAY_SIZE(gpu_cc_parent_data_0),
 164                 .ops = &clk_rcg2_ops,
 165         },
 166 };
 167
 168 static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
 169         F(500000000, P_GPU_CC_PLL1_OUT_MAIN, 2, 0, 0),
 170         { }
 171 };
 172
 173 static struct clk_rcg2 gpu_cc_gmu_clk_src = {
 174         .cmd_rcgr = 0x9318,
 175         .mnd_width = 0,
 176         .hid_width = 5,
 177         .parent_map = gpu_cc_parent_map_1,
 178         .freq_tbl = ftbl_gpu_cc_gmu_clk_src,
 179         .clkr.hw.init = &(const struct clk_init_data){
 180                 .name = "gpu_cc_gmu_clk_src",
 181                 .parent_data = gpu_cc_parent_data_1,
 182                 .num_parents = ARRAY_SIZE(gpu_cc_parent_data_1),
 183                 .flags = CLK_SET_RATE_PARENT,
 184                 .ops = &clk_rcg2_ops,
 185         },
 186 };
 187
 188 static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = {
 189         F(240000000, P_GPLL0_OUT_MAIN, 2.5, 0, 0),
 190         { }
 191 };
 192
 193 static struct clk_rcg2 gpu_cc_hub_clk_src = {
 194         .cmd_rcgr = 0x93ec,
 195         .mnd_width = 0,
 196         .hid_width = 5,
 197         .parent_map = gpu_cc_parent_map_2,
 198         .freq_tbl = ftbl_gpu_cc_hub_clk_src,
 199         .clkr.hw.init = &(const struct clk_init_data){
 200                 .name = "gpu_cc_hub_clk_src",
 201                 .parent_data = gpu_cc_parent_data_2,
 202                 .num_parents = ARRAY_SIZE(gpu_cc_parent_data_2),
 203                 .ops = &clk_rcg2_ops,
 204         },
 205 };
 206
 207 static const struct freq_tbl ftbl_gpu_cc_xo_clk_src[] = {
 208         F(19200000, P_BI_TCXO, 1, 0, 0),
 209         { }
 210 };
 211
 212 static struct clk_rcg2 gpu_cc_xo_clk_src = {
 213         .cmd_rcgr = 0x9010,
 214         .mnd_width = 0,
 215         .hid_width = 5,
 216         .parent_map = gpu_cc_parent_map_3,
 217         .freq_tbl = ftbl_gpu_cc_xo_clk_src,
 218         .clkr.hw.init = &(const struct clk_init_data){
 219                 .name = "gpu_cc_xo_clk_src",
 220                 .parent_data = gpu_cc_parent_data_3,
 221                 .num_parents = ARRAY_SIZE(gpu_cc_parent_data_3),
 222                 .ops = &clk_rcg2_ops,
 223         },
 224 };
 225
 226 static struct clk_regmap_div gpu_cc_demet_div_clk_src = {
 227         .reg = 0x9054,
 228         .shift = 0,
 229         .width = 4,
 230         .clkr.hw.init = &(const struct clk_init_data) {
 231                 .name = "gpu_cc_demet_div_clk_src",
 232                 .parent_hws = (const struct clk_hw*[]){
 233                         &gpu_cc_xo_clk_src.clkr.hw,
 234                 },
 235                 .num_parents = 1,
 236                 .flags = CLK_SET_RATE_PARENT,
 237                 .ops = &clk_regmap_div_ro_ops,
 238         },
 239 };
 240
 241 static struct clk_regmap_div gpu_cc_hub_ahb_div_clk_src = {
 242         .reg = 0x9430,
 243         .shift = 0,
 244         .width = 4,
 245         .clkr.hw.init = &(const struct clk_init_data) {
 246                 .name = "gpu_cc_hub_ahb_div_clk_src",
 247                 .parent_hws = (const struct clk_hw*[]){
 248                         &gpu_cc_hub_clk_src.clkr.hw,
 249                 },
 250                 .num_parents = 1,
 251                 .flags = CLK_SET_RATE_PARENT,
 252                 .ops = &clk_regmap_div_ro_ops,
 253         },
 254 };
 255
 256 static struct clk_regmap_div gpu_cc_hub_cx_int_div_clk_src = {
 257         .reg = 0x942c,
 258         .shift = 0,
 259         .width = 4,
 260         .clkr.hw.init = &(const struct clk_init_data) {
 261                 .name = "gpu_cc_hub_cx_int_div_clk_src",
 262                 .parent_hws = (const struct clk_hw*[]){
 263                         &gpu_cc_hub_clk_src.clkr.hw,
 264                 },
 265                 .num_parents = 1,
 266                 .flags = CLK_SET_RATE_PARENT,
 267                 .ops = &clk_regmap_div_ro_ops,
 268         },
 269 };
 270
 271 static struct clk_branch gpu_cc_ahb_clk = {
 272         .halt_reg = 0x911c,
 273         .halt_check = BRANCH_HALT_DELAY,
 274         .clkr = {
 275                 .enable_reg = 0x911c,
 276                 .enable_mask = BIT(0),
 277                 .hw.init = &(const struct clk_init_data){
 278                         .name = "gpu_cc_ahb_clk",
 279                         .parent_hws = (const struct clk_hw*[]){
 280                                 &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
 281                         },
 282                         .num_parents = 1,
 283                         .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 284                         .ops = &clk_branch2_ops,
 285                 },
 286         },
 287 };
 288
 289 static struct clk_branch gpu_cc_cb_clk = {
 290         .halt_reg = 0x93a4,
 291         .halt_check = BRANCH_HALT,
 292         .clkr = {
 293                 .enable_reg = 0x93a4,
 294                 .enable_mask = BIT(0),
 295                 .hw.init = &(const struct clk_init_data){
 296                         .name = "gpu_cc_cb_clk",
 297                         .flags = CLK_IS_CRITICAL,
 298                         .ops = &clk_branch2_ops,
 299                 },
 300         },
 301 };
 302
 303 static struct clk_branch gpu_cc_crc_ahb_clk = {
 304         .halt_reg = 0x9120,
 305         .halt_check = BRANCH_HALT_VOTED,
 306         .clkr = {
 307                 .enable_reg = 0x9120,
 308                 .enable_mask = BIT(0),
 309                 .hw.init = &(const struct clk_init_data){
 310                         .name = "gpu_cc_crc_ahb_clk",
 311                         .parent_hws = (const struct clk_hw*[]){
 312                                 &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
 313                         },
 314                         .num_parents = 1,
 315                         .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 316                         .ops = &clk_branch2_ops,
 317                 },
 318         },
 319 };
 320
 321 static struct clk_branch gpu_cc_cx_ff_clk = {
 322         .halt_reg = 0x914c,
 323         .halt_check = BRANCH_HALT,
 324         .clkr = {
 325                 .enable_reg = 0x914c,
 326                 .enable_mask = BIT(0),
 327                 .hw.init = &(const struct clk_init_data){
 328                         .name = "gpu_cc_cx_ff_clk",
 329                         .parent_hws = (const struct clk_hw*[]){
 330                                 &gpu_cc_ff_clk_src.clkr.hw,
 331                         },
 332                         .num_parents = 1,
 333                         .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 334                         .ops = &clk_branch2_ops,
 335                 },
 336         },
 337 };
 338
 339 static struct clk_branch gpu_cc_cx_gmu_clk = {
 340         .halt_reg = 0x913c,
 341         .halt_check = BRANCH_HALT,
 342         .clkr = {
 343                 .enable_reg = 0x913c,
 344                 .enable_mask = BIT(0),
 345                 .hw.init = &(const struct clk_init_data){
 346                         .name = "gpu_cc_cx_gmu_clk",
 347                         .parent_hws = (const struct clk_hw*[]){
 348                                 &gpu_cc_gmu_clk_src.clkr.hw,
 349                         },
 350                         .num_parents = 1,
 351                         .flags =  CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 352                         .ops = &clk_branch2_aon_ops,
 353                 },
 354         },
 355 };
 356
 357 static struct clk_branch gpu_cc_cx_snoc_dvm_clk = {
 358         .halt_reg = 0x9130,
 359         .halt_check = BRANCH_HALT_VOTED,
 360         .clkr = {
 361                 .enable_reg = 0x9130,
 362                 .enable_mask = BIT(0),
 363                 .hw.init = &(const struct clk_init_data){
 364                         .name = "gpu_cc_cx_snoc_dvm_clk",
 365                         .flags = CLK_IS_CRITICAL,
 366                         .ops = &clk_branch2_ops,
 367                 },
 368         },
 369 };
 370
 371 static struct clk_branch gpu_cc_cxo_aon_clk = {
 372         .halt_reg = 0x9004,
 373         .halt_check = BRANCH_HALT_VOTED,
 374         .clkr = {
 375                 .enable_reg = 0x9004,
 376                 .enable_mask = BIT(0),
 377                 .hw.init = &(const struct clk_init_data){
 378                         .name = "gpu_cc_cxo_aon_clk",
 379                         .parent_hws = (const struct clk_hw*[]){
 380                                 &gpu_cc_xo_clk_src.clkr.hw,
 381                         },
 382                         .num_parents = 1,
 383                         .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 384                         .ops = &clk_branch2_ops,
 385                 },
 386         },
 387 };
 388
 389 static struct clk_branch gpu_cc_cxo_clk = {
 390         .halt_reg = 0x9144,
 391         .halt_check = BRANCH_HALT,
 392         .clkr = {
 393                 .enable_reg = 0x9144,
 394                 .enable_mask = BIT(0),
 395                 .hw.init = &(const struct clk_init_data){
 396                         .name = "gpu_cc_cxo_clk",
 397                         .parent_hws = (const struct clk_hw*[]){
 398                                 &gpu_cc_xo_clk_src.clkr.hw,
 399                         },
 400                         .num_parents = 1,
 401                         .flags =  CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 402                         .ops = &clk_branch2_ops,
 403                 },
 404         },
 405 };
 406
 407 static struct clk_branch gpu_cc_demet_clk = {
 408         .halt_reg = 0x900c,
 409         .halt_check = BRANCH_HALT,
 410         .clkr = {
 411                 .enable_reg = 0x900c,
 412                 .enable_mask = BIT(0),
 413                 .hw.init = &(const struct clk_init_data){
 414                         .name = "gpu_cc_demet_clk",
 415                         .parent_hws = (const struct clk_hw*[]){
 416                                 &gpu_cc_demet_div_clk_src.clkr.hw,
 417                         },
 418                         .num_parents = 1,
 419                         .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 420                         .ops = &clk_branch2_aon_ops,
 421                 },
 422         },
 423 };
 424
 425 static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = {
 426         .halt_reg = 0x7000,
 427         .halt_check = BRANCH_HALT_VOTED,
 428         .clkr = {
 429                 .enable_reg = 0x7000,
 430                 .enable_mask = BIT(0),
 431                 .hw.init = &(const struct clk_init_data){
 432                         .name = "gpu_cc_hlos1_vote_gpu_smmu_clk",
 433                         .flags = CLK_IS_CRITICAL,
 434                         .ops = &clk_branch2_ops,
 435                 },
 436         },
 437 };
 438
 439 static struct clk_branch gpu_cc_hub_aon_clk = {
 440         .halt_reg = 0x93e8,
 441         .halt_check = BRANCH_HALT,
 442         .clkr = {
 443                 .enable_reg = 0x93e8,
 444                 .enable_mask = BIT(0),
 445                 .hw.init = &(const struct clk_init_data){
 446                         .name = "gpu_cc_hub_aon_clk",
 447                         .parent_hws = (const struct clk_hw*[]){
 448                                 &gpu_cc_hub_clk_src.clkr.hw,
 449                         },
 450                         .num_parents = 1,
 451                         .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 452                         .ops = &clk_branch2_aon_ops,
 453                 },
 454         },
 455 };
 456
 457 static struct clk_branch gpu_cc_hub_cx_int_clk = {
 458         .halt_reg = 0x9148,
 459         .halt_check = BRANCH_HALT,
 460         .clkr = {
 461                 .enable_reg = 0x9148,
 462                 .enable_mask = BIT(0),
 463                 .hw.init = &(const struct clk_init_data){
 464                         .name = "gpu_cc_hub_cx_int_clk",
 465                         .parent_hws = (const struct clk_hw*[]){
 466                                 &gpu_cc_hub_cx_int_div_clk_src.clkr.hw,
 467                         },
 468                         .num_parents = 1,
 469                         .flags =  CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 470                         .ops = &clk_branch2_aon_ops,
 471                 },
 472         },
 473 };
 474
 475 static struct clk_branch gpu_cc_memnoc_gfx_clk = {
 476         .halt_reg = 0x9150,
 477         .halt_check = BRANCH_HALT,
 478         .clkr = {
 479                 .enable_reg = 0x9150,
 480                 .enable_mask = BIT(0),
 481                 .hw.init = &(const struct clk_init_data){
 482                         .name = "gpu_cc_memnoc_gfx_clk",
 483                         .flags = CLK_IS_CRITICAL,
 484                         .ops = &clk_branch2_ops,
 485                 },
 486         },
 487 };
 488
 489 static struct clk_branch gpu_cc_sleep_clk = {
 490         .halt_reg = 0x9134,
 491         .halt_check = BRANCH_HALT_VOTED,
 492         .clkr = {
 493                 .enable_reg = 0x9134,
 494                 .enable_mask = BIT(0),
 495                 .hw.init = &(const struct clk_init_data){
 496                         .name = "gpu_cc_sleep_clk",
 497                         .flags = CLK_IS_CRITICAL,
 498                         .ops = &clk_branch2_ops,
 499                 },
 500         },
 501 };
 502
 503 static struct clk_regmap *gpu_cc_sa8775p_clocks[] = {
 504         [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr,
 505         [GPU_CC_CB_CLK] = &gpu_cc_cb_clk.clkr,
 506         [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr,
 507         [GPU_CC_CX_FF_CLK] = &gpu_cc_cx_ff_clk.clkr,
 508         [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
 509         [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr,
 510         [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr,
 511         [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
 512         [GPU_CC_DEMET_CLK] = &gpu_cc_demet_clk.clkr,
 513         [GPU_CC_DEMET_DIV_CLK_SRC] = &gpu_cc_demet_div_clk_src.clkr,
 514         [GPU_CC_FF_CLK_SRC] = &gpu_cc_ff_clk_src.clkr,
 515         [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
 516         [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr,
 517         [GPU_CC_HUB_AHB_DIV_CLK_SRC] = &gpu_cc_hub_ahb_div_clk_src.clkr,
 518         [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr,
 519         [GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr,
 520         [GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr,
 521         [GPU_CC_HUB_CX_INT_DIV_CLK_SRC] = &gpu_cc_hub_cx_int_div_clk_src.clkr,
 522         [GPU_CC_MEMNOC_GFX_CLK] = &gpu_cc_memnoc_gfx_clk.clkr,
 523         [GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
 524         [GPU_CC_PLL1] = &gpu_cc_pll1.clkr,
 525         [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr,
 526         [GPU_CC_XO_CLK_SRC] = &gpu_cc_xo_clk_src.clkr,
 527 };
 528
 529 static struct gdsc cx_gdsc = {
 530         .gdscr = 0x9108,
 531         .gds_hw_ctrl = 0x953c,
 532         .pd = {
 533                 .name = "cx_gdsc",
 534         },
 535         .pwrsts = PWRSTS_OFF_ON,
 536         .flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
 537 };
 538
 539 static struct gdsc gx_gdsc = {
 540         .gdscr = 0x905c,
 541         .pd = {
 542                 .name = "gx_gdsc",
 543                 .power_on = gdsc_gx_do_nothing_enable,
 544         },
 545         .pwrsts = PWRSTS_OFF_ON,
 546         .flags = AON_RESET | RETAIN_FF_ENABLE,
 547 };
 548
 549 static struct gdsc *gpu_cc_sa8775p_gdscs[] = {
 550         [GPU_CC_CX_GDSC] = &cx_gdsc,
 551         [GPU_CC_GX_GDSC] = &gx_gdsc,
 552 };
 553
 554 static const struct qcom_reset_map gpu_cc_sa8775p_resets[] = {
 555         [GPUCC_GPU_CC_ACD_BCR] = { 0x9358 },
 556         [GPUCC_GPU_CC_CB_BCR] = { 0x93a0 },
 557         [GPUCC_GPU_CC_CX_BCR] = { 0x9104 },
 558         [GPUCC_GPU_CC_FAST_HUB_BCR] = { 0x93e4 },
 559         [GPUCC_GPU_CC_FF_BCR] = { 0x9470 },
 560         [GPUCC_GPU_CC_GFX3D_AON_BCR] = { 0x9198 },
 561         [GPUCC_GPU_CC_GMU_BCR] = { 0x9314 },
 562         [GPUCC_GPU_CC_GX_BCR] = { 0x9058 },
 563         [GPUCC_GPU_CC_XO_BCR] = { 0x9000 },
 564 };
 565
 566 static const struct regmap_config gpu_cc_sa8775p_regmap_config = {
 567         .reg_bits = 32,
 568         .reg_stride = 4,
 569         .val_bits = 32,
 570         .max_register = 0x9988,
 571         .fast_io = true,
 572 };
 573
 574 static const struct qcom_cc_desc gpu_cc_sa8775p_desc = {
 575         .config = &gpu_cc_sa8775p_regmap_config,
 576         .clks = gpu_cc_sa8775p_clocks,
 577         .num_clks = ARRAY_SIZE(gpu_cc_sa8775p_clocks),
 578         .resets = gpu_cc_sa8775p_resets,
 579         .num_resets = ARRAY_SIZE(gpu_cc_sa8775p_resets),
 580         .gdscs = gpu_cc_sa8775p_gdscs,
 581         .num_gdscs = ARRAY_SIZE(gpu_cc_sa8775p_gdscs),
 582 };
 583
 584 static const struct of_device_id gpu_cc_sa8775p_match_table[] = {
 585         { .compatible = "qcom,sa8775p-gpucc" },
 586         { }
 587 };
 588 MODULE_DEVICE_TABLE(of, gpu_cc_sa8775p_match_table);
 589
 590 static int gpu_cc_sa8775p_probe(struct platform_device *pdev)
 591 {
 592         struct regmap *regmap;
 593
 594         regmap = qcom_cc_map(pdev, &gpu_cc_sa8775p_desc);
 595         if (IS_ERR(regmap))
 596                 return PTR_ERR(regmap);
 597
 598         clk_lucid_evo_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config);
 599         clk_lucid_evo_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config);
 600
 601         return qcom_cc_really_probe(pdev, &gpu_cc_sa8775p_desc, regmap);
 602 }
 603
 604 static struct platform_driver gpu_cc_sa8775p_driver = {
 605         .probe = gpu_cc_sa8775p_probe,
 606         .driver = {
 607                 .name = "gpu_cc-sa8775p",
 608                 .of_match_table = gpu_cc_sa8775p_match_table,
 609         },
 610 };
 611
 612 module_platform_driver(gpu_cc_sa8775p_driver);
 613
 614 MODULE_DESCRIPTION("SA8775P GPUCC driver");
 615 MODULE_LICENSE("GPL");