drivers/clk/ux500/u8500_of_clk.c

   1 /*
   2  * Clock definitions for u8500 platform.
   3  *
   4  * Copyright (C) 2012 ST-Ericsson SA
   5  * Author: Ulf Hansson <ulf.hansson@linaro.org>
   6  *
   7  * License terms: GNU General Public License (GPL) version 2
   8  */
   9
  10 #include <linux/of.h>
  11 #include <linux/clk.h>
  12 #include <linux/clkdev.h>
  13 #include <linux/clk-provider.h>
  14 #include <linux/mfd/dbx500-prcmu.h>
  15 #include <linux/platform_data/clk-ux500.h>
  16 #include "clk.h"
  17
  18 #define PRCC_NUM_PERIPH_CLUSTERS 6
  19 #define PRCC_PERIPHS_PER_CLUSTER 32
  20
  21 static struct clk *prcmu_clk[PRCMU_NUM_CLKS];
  22 static struct clk *prcc_pclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
  23 static struct clk *prcc_kclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
  24
  25 #define PRCC_SHOW(clk, base, bit) \
  26         clk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit]
  27 #define PRCC_PCLK_STORE(clk, base, bit) \
  28         prcc_pclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
  29 #define PRCC_KCLK_STORE(clk, base, bit)        \
  30         prcc_kclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
  31
  32 static struct clk *ux500_twocell_get(struct of_phandle_args *clkspec,
  33                                      void *data)
  34 {
  35         struct clk **clk_data = data;
  36         unsigned int base, bit;
  37
  38         if (clkspec->args_count != 2)
  39                 return  ERR_PTR(-EINVAL);
  40
  41         base = clkspec->args[0];
  42         bit = clkspec->args[1];
  43
  44         if (base != 1 && base != 2 && base != 3 && base != 5 && base != 6) {
  45                 pr_err("%s: invalid PRCC base %d\n", __func__, base);
  46                 return ERR_PTR(-EINVAL);
  47         }
  48
  49         return PRCC_SHOW(clk_data, base, bit);
  50 }
  51
  52 static const struct of_device_id u8500_clk_of_match[] = {
  53         { .compatible = "stericsson,u8500-clks", },
  54         { },
  55 };
  56
  57 void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
  58                        u32 clkrst5_base, u32 clkrst6_base)
  59 {
  60         struct prcmu_fw_version *fw_version;
  61         struct device_node *np = NULL;
  62         struct device_node *child = NULL;
  63         const char *sgaclk_parent = NULL;
  64         struct clk *clk, *rtc_clk, *twd_clk;
  65
  66         if (of_have_populated_dt())
  67                 np = of_find_matching_node(NULL, u8500_clk_of_match);
  68         if (!np) {
  69                 pr_err("Either DT or U8500 Clock node not found\n");
  70                 return;
  71         }
  72
  73         /* Clock sources */
  74         clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
  75                                 CLK_IS_ROOT|CLK_IGNORE_UNUSED);
  76         prcmu_clk[PRCMU_PLLSOC0] = clk;
  77
  78         clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
  79                                 CLK_IS_ROOT|CLK_IGNORE_UNUSED);
  80         prcmu_clk[PRCMU_PLLSOC1] = clk;
  81
  82         clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
  83                                 CLK_IS_ROOT|CLK_IGNORE_UNUSED);
  84         prcmu_clk[PRCMU_PLLDDR] = clk;
  85
  86         /* FIXME: Add sys, ulp and int clocks here. */
  87
  88         rtc_clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
  89                                 CLK_IS_ROOT|CLK_IGNORE_UNUSED,
  90                                 32768);
  91
  92         /* PRCMU clocks */
  93         fw_version = prcmu_get_fw_version();
  94         if (fw_version != NULL) {
  95                 switch (fw_version->project) {
  96                 case PRCMU_FW_PROJECT_U8500_C2:
  97                 case PRCMU_FW_PROJECT_U8520:
  98                 case PRCMU_FW_PROJECT_U8420:
  99                         sgaclk_parent = "soc0_pll";
 100                         break;
 101                 default:
 102                         break;
 103                 }
 104         }
 105
 106         if (sgaclk_parent)
 107                 clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
 108                                         PRCMU_SGACLK, 0);
 109         else
 110                 clk = clk_reg_prcmu_gate("sgclk", NULL,
 111                                         PRCMU_SGACLK, CLK_IS_ROOT);
 112         prcmu_clk[PRCMU_SGACLK] = clk;
 113
 114         clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);
 115         prcmu_clk[PRCMU_UARTCLK] = clk;
 116
 117         clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, CLK_IS_ROOT);
 118         prcmu_clk[PRCMU_MSP02CLK] = clk;
 119
 120         clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);
 121         prcmu_clk[PRCMU_MSP1CLK] = clk;
 122
 123         clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);
 124         prcmu_clk[PRCMU_I2CCLK] = clk;
 125
 126         clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);
 127         prcmu_clk[PRCMU_SLIMCLK] = clk;
 128
 129         clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);
 130         prcmu_clk[PRCMU_PER1CLK] = clk;
 131
 132         clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);
 133         prcmu_clk[PRCMU_PER2CLK] = clk;
 134
 135         clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);
 136         prcmu_clk[PRCMU_PER3CLK] = clk;
 137
 138         clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);
 139         prcmu_clk[PRCMU_PER5CLK] = clk;
 140
 141         clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);
 142         prcmu_clk[PRCMU_PER6CLK] = clk;
 143
 144         clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);
 145         prcmu_clk[PRCMU_PER7CLK] = clk;
 146
 147         clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
 148                                 CLK_IS_ROOT|CLK_SET_RATE_GATE);
 149         prcmu_clk[PRCMU_LCDCLK] = clk;
 150
 151         clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, CLK_IS_ROOT);
 152         prcmu_clk[PRCMU_BMLCLK] = clk;
 153
 154         clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
 155                                 CLK_IS_ROOT|CLK_SET_RATE_GATE);
 156         prcmu_clk[PRCMU_HSITXCLK] = clk;
 157
 158         clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
 159                                 CLK_IS_ROOT|CLK_SET_RATE_GATE);
 160         prcmu_clk[PRCMU_HSIRXCLK] = clk;
 161
 162         clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
 163                                 CLK_IS_ROOT|CLK_SET_RATE_GATE);
 164         prcmu_clk[PRCMU_HDMICLK] = clk;
 165
 166         clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
 167         prcmu_clk[PRCMU_APEATCLK] = clk;
 168
 169         clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
 170                                 CLK_IS_ROOT);
 171         prcmu_clk[PRCMU_APETRACECLK] = clk;
 172
 173         clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
 174         prcmu_clk[PRCMU_MCDECLK] = clk;
 175
 176         clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,
 177                                 CLK_IS_ROOT);
 178         prcmu_clk[PRCMU_IPI2CCLK] = clk;
 179
 180         clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,
 181                                 CLK_IS_ROOT);
 182         prcmu_clk[PRCMU_DSIALTCLK] = clk;
 183
 184         clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);
 185         prcmu_clk[PRCMU_DMACLK] = clk;
 186
 187         clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);
 188         prcmu_clk[PRCMU_B2R2CLK] = clk;
 189
 190         clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
 191                                 CLK_IS_ROOT|CLK_SET_RATE_GATE);
 192         prcmu_clk[PRCMU_TVCLK] = clk;
 193
 194         clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);
 195         prcmu_clk[PRCMU_SSPCLK] = clk;
 196
 197         clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);
 198         prcmu_clk[PRCMU_RNGCLK] = clk;
 199
 200         clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);
 201         prcmu_clk[PRCMU_UICCCLK] = clk;
 202
 203         clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);
 204         prcmu_clk[PRCMU_TIMCLK] = clk;
 205
 206         clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
 207                                         100000000,
 208                                         CLK_IS_ROOT|CLK_SET_RATE_GATE);
 209         prcmu_clk[PRCMU_SDMMCCLK] = clk;
 210
 211         clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
 212                                 PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
 213         prcmu_clk[PRCMU_PLLDSI] = clk;
 214
 215         clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
 216                                 PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
 217         prcmu_clk[PRCMU_DSI0CLK] = clk;
 218
 219         clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
 220                                 PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
 221         prcmu_clk[PRCMU_DSI1CLK] = clk;
 222
 223         clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
 224                                 PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
 225         prcmu_clk[PRCMU_DSI0ESCCLK] = clk;
 226
 227         clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
 228                                 PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
 229         prcmu_clk[PRCMU_DSI1ESCCLK] = clk;
 230
 231         clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
 232                                 PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
 233         prcmu_clk[PRCMU_DSI2ESCCLK] = clk;
 234
 235         clk = clk_reg_prcmu_scalable_rate("armss", NULL,
 236                                 PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
 237         prcmu_clk[PRCMU_ARMSS] = clk;
 238
 239         twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
 240                                 CLK_IGNORE_UNUSED, 1, 2);
 241
 242         /*
 243          * FIXME: Add special handled PRCMU clocks here:
 244          * 1. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
 245          * 2. ab9540_clkout1yuv, see clkout0yuv
 246          */
 247
 248         /* PRCC P-clocks */
 249         clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", clkrst1_base,
 250                                 BIT(0), 0);
 251         PRCC_PCLK_STORE(clk, 1, 0);
 252
 253         clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", clkrst1_base,
 254                                 BIT(1), 0);
 255         PRCC_PCLK_STORE(clk, 1, 1);
 256
 257         clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", clkrst1_base,
 258                                 BIT(2), 0);
 259         PRCC_PCLK_STORE(clk, 1, 2);
 260
 261         clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", clkrst1_base,
 262                                 BIT(3), 0);
 263         PRCC_PCLK_STORE(clk, 1, 3);
 264
 265         clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", clkrst1_base,
 266                                 BIT(4), 0);
 267         PRCC_PCLK_STORE(clk, 1, 4);
 268
 269         clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", clkrst1_base,
 270                                 BIT(5), 0);
 271         PRCC_PCLK_STORE(clk, 1, 5);
 272
 273         clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", clkrst1_base,
 274                                 BIT(6), 0);
 275         PRCC_PCLK_STORE(clk, 1, 6);
 276
 277         clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", clkrst1_base,
 278                                 BIT(7), 0);
 279         PRCC_PCLK_STORE(clk, 1, 7);
 280
 281         clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", clkrst1_base,
 282                                 BIT(8), 0);
 283         PRCC_PCLK_STORE(clk, 1, 8);
 284
 285         clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", clkrst1_base,
 286                                 BIT(9), 0);
 287         PRCC_PCLK_STORE(clk, 1, 9);
 288
 289         clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", clkrst1_base,
 290                                 BIT(10), 0);
 291         PRCC_PCLK_STORE(clk, 1, 10);
 292
 293         clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", clkrst1_base,
 294                                 BIT(11), 0);
 295         PRCC_PCLK_STORE(clk, 1, 11);
 296
 297         clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", clkrst2_base,
 298                                 BIT(0), 0);
 299         PRCC_PCLK_STORE(clk, 2, 0);
 300
 301         clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", clkrst2_base,
 302                                 BIT(1), 0);
 303         PRCC_PCLK_STORE(clk, 2, 1);
 304
 305         clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", clkrst2_base,
 306                                 BIT(2), 0);
 307         PRCC_PCLK_STORE(clk, 2, 2);
 308
 309         clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", clkrst2_base,
 310                                 BIT(3), 0);
 311         PRCC_PCLK_STORE(clk, 2, 3);
 312
 313         clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", clkrst2_base,
 314                                 BIT(4), 0);
 315         PRCC_PCLK_STORE(clk, 2, 4);
 316
 317         clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", clkrst2_base,
 318                                 BIT(5), 0);
 319         PRCC_PCLK_STORE(clk, 2, 5);
 320
 321         clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", clkrst2_base,
 322                                 BIT(6), 0);
 323         PRCC_PCLK_STORE(clk, 2, 6);
 324
 325         clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", clkrst2_base,
 326                                 BIT(7), 0);
 327         PRCC_PCLK_STORE(clk, 2, 7);
 328
 329         clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", clkrst2_base,
 330                                 BIT(8), 0);
 331         PRCC_PCLK_STORE(clk, 2, 8);
 332
 333         clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", clkrst2_base,
 334                                 BIT(9), 0);
 335         PRCC_PCLK_STORE(clk, 2, 9);
 336
 337         clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", clkrst2_base,
 338                                 BIT(10), 0);
 339         PRCC_PCLK_STORE(clk, 2, 10);
 340
 341         clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", clkrst2_base,
 342                                 BIT(11), 0);
 343         PRCC_PCLK_STORE(clk, 2, 11);
 344
 345         clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", clkrst2_base,
 346                                 BIT(12), 0);
 347         PRCC_PCLK_STORE(clk, 2, 12);
 348
 349         clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", clkrst3_base,
 350                                 BIT(0), 0);
 351         PRCC_PCLK_STORE(clk, 3, 0);
 352
 353         clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", clkrst3_base,
 354                                 BIT(1), 0);
 355         PRCC_PCLK_STORE(clk, 3, 1);
 356
 357         clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", clkrst3_base,
 358                                 BIT(2), 0);
 359         PRCC_PCLK_STORE(clk, 3, 2);
 360
 361         clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", clkrst3_base,
 362                                 BIT(3), 0);
 363         PRCC_PCLK_STORE(clk, 3, 3);
 364
 365         clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", clkrst3_base,
 366                                 BIT(4), 0);
 367         PRCC_PCLK_STORE(clk, 3, 4);
 368
 369         clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", clkrst3_base,
 370                                 BIT(5), 0);
 371         PRCC_PCLK_STORE(clk, 3, 5);
 372
 373         clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", clkrst3_base,
 374                                 BIT(6), 0);
 375         PRCC_PCLK_STORE(clk, 3, 6);
 376
 377         clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", clkrst3_base,
 378                                 BIT(7), 0);
 379         PRCC_PCLK_STORE(clk, 3, 7);
 380
 381         clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", clkrst3_base,
 382                                 BIT(8), 0);
 383         PRCC_PCLK_STORE(clk, 3, 8);
 384
 385         clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", clkrst5_base,
 386                                 BIT(0), 0);
 387         PRCC_PCLK_STORE(clk, 5, 0);
 388
 389         clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", clkrst5_base,
 390                                 BIT(1), 0);
 391         PRCC_PCLK_STORE(clk, 5, 1);
 392
 393         clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", clkrst6_base,
 394                                 BIT(0), 0);
 395         PRCC_PCLK_STORE(clk, 6, 0);
 396
 397         clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", clkrst6_base,
 398                                 BIT(1), 0);
 399         PRCC_PCLK_STORE(clk, 6, 1);
 400
 401         clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", clkrst6_base,
 402                                 BIT(2), 0);
 403         PRCC_PCLK_STORE(clk, 6, 2);
 404
 405         clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", clkrst6_base,
 406                                 BIT(3), 0);
 407         PRCC_PCLK_STORE(clk, 6, 3);
 408
 409         clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", clkrst6_base,
 410                                 BIT(4), 0);
 411         PRCC_PCLK_STORE(clk, 6, 4);
 412
 413         clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", clkrst6_base,
 414                                 BIT(5), 0);
 415         PRCC_PCLK_STORE(clk, 6, 5);
 416
 417         clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", clkrst6_base,
 418                                 BIT(6), 0);
 419         PRCC_PCLK_STORE(clk, 6, 6);
 420
 421         clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", clkrst6_base,
 422                                 BIT(7), 0);
 423         PRCC_PCLK_STORE(clk, 6, 7);
 424
 425         /* PRCC K-clocks
 426          *
 427          * FIXME: Some drivers requires PERPIH[n| to be automatically enabled
 428          * by enabling just the K-clock, even if it is not a valid parent to
 429          * the K-clock. Until drivers get fixed we might need some kind of
 430          * "parent muxed join".
 431          */
 432
 433         /* Periph1 */
 434         clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
 435                         clkrst1_base, BIT(0), CLK_SET_RATE_GATE);
 436         PRCC_KCLK_STORE(clk, 1, 0);
 437
 438         clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
 439                         clkrst1_base, BIT(1), CLK_SET_RATE_GATE);
 440         PRCC_KCLK_STORE(clk, 1, 1);
 441
 442         clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
 443                         clkrst1_base, BIT(2), CLK_SET_RATE_GATE);
 444         PRCC_KCLK_STORE(clk, 1, 2);
 445
 446         clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
 447                         clkrst1_base, BIT(3), CLK_SET_RATE_GATE);
 448         PRCC_KCLK_STORE(clk, 1, 3);
 449
 450         clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
 451                         clkrst1_base, BIT(4), CLK_SET_RATE_GATE);
 452         PRCC_KCLK_STORE(clk, 1, 4);
 453
 454         clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
 455                         clkrst1_base, BIT(5), CLK_SET_RATE_GATE);
 456         PRCC_KCLK_STORE(clk, 1, 5);
 457
 458         clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
 459                         clkrst1_base, BIT(6), CLK_SET_RATE_GATE);
 460         PRCC_KCLK_STORE(clk, 1, 6);
 461
 462         clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
 463                         clkrst1_base, BIT(8), CLK_SET_RATE_GATE);
 464         PRCC_KCLK_STORE(clk, 1, 8);
 465
 466         clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
 467                         clkrst1_base, BIT(9), CLK_SET_RATE_GATE);
 468         PRCC_KCLK_STORE(clk, 1, 9);
 469
 470         clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
 471                         clkrst1_base, BIT(10), CLK_SET_RATE_GATE);
 472         PRCC_KCLK_STORE(clk, 1, 10);
 473
 474         /* Periph2 */
 475         clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
 476                         clkrst2_base, BIT(0), CLK_SET_RATE_GATE);
 477         PRCC_KCLK_STORE(clk, 2, 0);
 478
 479         clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
 480                         clkrst2_base, BIT(2), CLK_SET_RATE_GATE);
 481         PRCC_KCLK_STORE(clk, 2, 2);
 482
 483         clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
 484                         clkrst2_base, BIT(3), CLK_SET_RATE_GATE);
 485         PRCC_KCLK_STORE(clk, 2, 3);
 486
 487         clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
 488                         clkrst2_base, BIT(4), CLK_SET_RATE_GATE);
 489         PRCC_KCLK_STORE(clk, 2, 4);
 490
 491         clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
 492                         clkrst2_base, BIT(5), CLK_SET_RATE_GATE);
 493         PRCC_KCLK_STORE(clk, 2, 5);
 494
 495         /* Note that rate is received from parent. */
 496         clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
 497                         clkrst2_base, BIT(6),
 498                         CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
 499         PRCC_KCLK_STORE(clk, 2, 6);
 500
 501         clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
 502                         clkrst2_base, BIT(7),
 503                         CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
 504         PRCC_KCLK_STORE(clk, 2, 7);
 505
 506         /* Periph3 */
 507         clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
 508                         clkrst3_base, BIT(1), CLK_SET_RATE_GATE);
 509         PRCC_KCLK_STORE(clk, 3, 1);
 510
 511         clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
 512                         clkrst3_base, BIT(2), CLK_SET_RATE_GATE);
 513         PRCC_KCLK_STORE(clk, 3, 2);
 514
 515         clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
 516                         clkrst3_base, BIT(3), CLK_SET_RATE_GATE);
 517         PRCC_KCLK_STORE(clk, 3, 3);
 518
 519         clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
 520                         clkrst3_base, BIT(4), CLK_SET_RATE_GATE);
 521         PRCC_KCLK_STORE(clk, 3, 4);
 522
 523         clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
 524                         clkrst3_base, BIT(5), CLK_SET_RATE_GATE);
 525         PRCC_KCLK_STORE(clk, 3, 5);
 526
 527         clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
 528                         clkrst3_base, BIT(6), CLK_SET_RATE_GATE);
 529         PRCC_KCLK_STORE(clk, 3, 6);
 530
 531         clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
 532                         clkrst3_base, BIT(7), CLK_SET_RATE_GATE);
 533         PRCC_KCLK_STORE(clk, 3, 7);
 534
 535         /* Periph6 */
 536         clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
 537                         clkrst6_base, BIT(0), CLK_SET_RATE_GATE);
 538         PRCC_KCLK_STORE(clk, 6, 0);
 539
 540         for_each_child_of_node(np, child) {
 541                 static struct clk_onecell_data clk_data;
 542
 543                 if (!of_node_cmp(child->name, "prcmu-clock")) {
 544                         clk_data.clks = prcmu_clk;
 545                         clk_data.clk_num = ARRAY_SIZE(prcmu_clk);
 546                         of_clk_add_provider(child, of_clk_src_onecell_get, &clk_data);
 547                 }
 548                 if (!of_node_cmp(child->name, "prcc-periph-clock"))
 549                         of_clk_add_provider(child, ux500_twocell_get, prcc_pclk);
 550
 551                 if (!of_node_cmp(child->name, "prcc-kernel-clock"))
 552                         of_clk_add_provider(child, ux500_twocell_get, prcc_kclk);
 553
 554                 if (!of_node_cmp(child->name, "rtc32k-clock"))
 555                         of_clk_add_provider(child, of_clk_src_simple_get, rtc_clk);
 556
 557                 if (!of_node_cmp(child->name, "smp-twd-clock"))
 558                         of_clk_add_provider(child, of_clk_src_simple_get, twd_clk);
 559         }
 560 }