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/of_address.h>
  12 #include <linux/clk-provider.h>
  13 #include <linux/mfd/dbx500-prcmu.h>
  14 #include "clk.h"
  15
  16 #define PRCC_NUM_PERIPH_CLUSTERS 6
  17 #define PRCC_PERIPHS_PER_CLUSTER 32
  18
  19 static struct clk *prcmu_clk[PRCMU_NUM_CLKS];
  20 static struct clk *prcc_pclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
  21 static struct clk *prcc_kclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
  22
  23 #define PRCC_SHOW(clk, base, bit) \
  24         clk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit]
  25 #define PRCC_PCLK_STORE(clk, base, bit) \
  26         prcc_pclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
  27 #define PRCC_KCLK_STORE(clk, base, bit)        \
  28         prcc_kclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
  29
  30 static struct clk *ux500_twocell_get(struct of_phandle_args *clkspec,
  31                                      void *data)
  32 {
  33         struct clk **clk_data = data;
  34         unsigned int base, bit;
  35
  36         if (clkspec->args_count != 2)
  37                 return  ERR_PTR(-EINVAL);
  38
  39         base = clkspec->args[0];
  40         bit = clkspec->args[1];
  41
  42         if (base != 1 && base != 2 && base != 3 && base != 5 && base != 6) {
  43                 pr_err("%s: invalid PRCC base %d\n", __func__, base);
  44                 return ERR_PTR(-EINVAL);
  45         }
  46
  47         return PRCC_SHOW(clk_data, base, bit);
  48 }
  49
  50 /* CLKRST4 is missing making it hard to index things */
  51 enum clkrst_index {
  52         CLKRST1_INDEX = 0,
  53         CLKRST2_INDEX,
  54         CLKRST3_INDEX,
  55         CLKRST5_INDEX,
  56         CLKRST6_INDEX,
  57         CLKRST_MAX,
  58 };
  59
  60 static void u8500_clk_init(struct device_node *np)
  61 {
  62         struct prcmu_fw_version *fw_version;
  63         struct device_node *child = NULL;
  64         const char *sgaclk_parent = NULL;
  65         struct clk *clk, *rtc_clk, *twd_clk;
  66         u32 bases[CLKRST_MAX];
  67         int i;
  68
  69         for (i = 0; i < ARRAY_SIZE(bases); i++) {
  70                 struct resource r;
  71
  72                 if (of_address_to_resource(np, i, &r))
  73                         /* Not much choice but to continue */
  74                         pr_err("failed to get CLKRST %d base address\n",
  75                                i + 1);
  76                 bases[i] = r.start;
  77         }
  78
  79         /* Clock sources */
  80         clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
  81                                 CLK_IGNORE_UNUSED);
  82         prcmu_clk[PRCMU_PLLSOC0] = clk;
  83
  84         clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
  85                                 CLK_IGNORE_UNUSED);
  86         prcmu_clk[PRCMU_PLLSOC1] = clk;
  87
  88         clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
  89                                 CLK_IGNORE_UNUSED);
  90         prcmu_clk[PRCMU_PLLDDR] = clk;
  91
  92         /* FIXME: Add sys, ulp and int clocks here. */
  93
  94         rtc_clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
  95                                 CLK_IGNORE_UNUSED,
  96                                 32768);
  97
  98         /* PRCMU clocks */
  99         fw_version = prcmu_get_fw_version();
 100         if (fw_version != NULL) {
 101                 switch (fw_version->project) {
 102                 case PRCMU_FW_PROJECT_U8500_C2:
 103                 case PRCMU_FW_PROJECT_U8520:
 104                 case PRCMU_FW_PROJECT_U8420:
 105                         sgaclk_parent = "soc0_pll";
 106                         break;
 107                 default:
 108                         break;
 109                 }
 110         }
 111
 112         if (sgaclk_parent)
 113                 clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
 114                                         PRCMU_SGACLK, 0);
 115         else
 116                 clk = clk_reg_prcmu_gate("sgclk", NULL, PRCMU_SGACLK, 0);
 117         prcmu_clk[PRCMU_SGACLK] = clk;
 118
 119         clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, 0);
 120         prcmu_clk[PRCMU_UARTCLK] = clk;
 121
 122         clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, 0);
 123         prcmu_clk[PRCMU_MSP02CLK] = clk;
 124
 125         clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, 0);
 126         prcmu_clk[PRCMU_MSP1CLK] = clk;
 127
 128         clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, 0);
 129         prcmu_clk[PRCMU_I2CCLK] = clk;
 130
 131         clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, 0);
 132         prcmu_clk[PRCMU_SLIMCLK] = clk;
 133
 134         clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, 0);
 135         prcmu_clk[PRCMU_PER1CLK] = clk;
 136
 137         clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, 0);
 138         prcmu_clk[PRCMU_PER2CLK] = clk;
 139
 140         clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, 0);
 141         prcmu_clk[PRCMU_PER3CLK] = clk;
 142
 143         clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, 0);
 144         prcmu_clk[PRCMU_PER5CLK] = clk;
 145
 146         clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, 0);
 147         prcmu_clk[PRCMU_PER6CLK] = clk;
 148
 149         clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, 0);
 150         prcmu_clk[PRCMU_PER7CLK] = clk;
 151
 152         clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
 153                                 CLK_SET_RATE_GATE);
 154         prcmu_clk[PRCMU_LCDCLK] = clk;
 155
 156         clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, 0);
 157         prcmu_clk[PRCMU_BMLCLK] = clk;
 158
 159         clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
 160                                 CLK_SET_RATE_GATE);
 161         prcmu_clk[PRCMU_HSITXCLK] = clk;
 162
 163         clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
 164                                 CLK_SET_RATE_GATE);
 165         prcmu_clk[PRCMU_HSIRXCLK] = clk;
 166
 167         clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
 168                                 CLK_SET_RATE_GATE);
 169         prcmu_clk[PRCMU_HDMICLK] = clk;
 170
 171         clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, 0);
 172         prcmu_clk[PRCMU_APEATCLK] = clk;
 173
 174         clk = clk_reg_prcmu_scalable("apetraceclk", NULL, PRCMU_APETRACECLK, 0,
 175                                 CLK_SET_RATE_GATE);
 176         prcmu_clk[PRCMU_APETRACECLK] = clk;
 177
 178         clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, 0);
 179         prcmu_clk[PRCMU_MCDECLK] = clk;
 180
 181         clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK, 0);
 182         prcmu_clk[PRCMU_IPI2CCLK] = clk;
 183
 184         clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK, 0);
 185         prcmu_clk[PRCMU_DSIALTCLK] = clk;
 186
 187         clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, 0);
 188         prcmu_clk[PRCMU_DMACLK] = clk;
 189
 190         clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, 0);
 191         prcmu_clk[PRCMU_B2R2CLK] = clk;
 192
 193         clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
 194                                 CLK_SET_RATE_GATE);
 195         prcmu_clk[PRCMU_TVCLK] = clk;
 196
 197         clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, 0);
 198         prcmu_clk[PRCMU_SSPCLK] = clk;
 199
 200         clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, 0);
 201         prcmu_clk[PRCMU_RNGCLK] = clk;
 202
 203         clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, 0);
 204         prcmu_clk[PRCMU_UICCCLK] = clk;
 205
 206         clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0);
 207         prcmu_clk[PRCMU_TIMCLK] = clk;
 208
 209         clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK, 0);
 210         prcmu_clk[PRCMU_SYSCLK] = clk;
 211
 212         clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
 213                                         100000000, CLK_SET_RATE_GATE);
 214         prcmu_clk[PRCMU_SDMMCCLK] = clk;
 215
 216         clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
 217                                 PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
 218         prcmu_clk[PRCMU_PLLDSI] = clk;
 219
 220         clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
 221                                 PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
 222         prcmu_clk[PRCMU_DSI0CLK] = clk;
 223
 224         clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
 225                                 PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
 226         prcmu_clk[PRCMU_DSI1CLK] = clk;
 227
 228         clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
 229                                 PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
 230         prcmu_clk[PRCMU_DSI0ESCCLK] = clk;
 231
 232         clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
 233                                 PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
 234         prcmu_clk[PRCMU_DSI1ESCCLK] = clk;
 235
 236         clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
 237                                 PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
 238         prcmu_clk[PRCMU_DSI2ESCCLK] = clk;
 239
 240         clk = clk_reg_prcmu_scalable_rate("armss", NULL,
 241                                 PRCMU_ARMSS, 0, CLK_IGNORE_UNUSED);
 242         prcmu_clk[PRCMU_ARMSS] = clk;
 243
 244         twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
 245                                 CLK_IGNORE_UNUSED, 1, 2);
 246
 247         /*
 248          * FIXME: Add special handled PRCMU clocks here:
 249          * 1. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
 250          * 2. ab9540_clkout1yuv, see clkout0yuv
 251          */
 252
 253         /* PRCC P-clocks */
 254         clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", bases[CLKRST1_INDEX],
 255                                 BIT(0), 0);
 256         PRCC_PCLK_STORE(clk, 1, 0);
 257
 258         clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", bases[CLKRST1_INDEX],
 259                                 BIT(1), 0);
 260         PRCC_PCLK_STORE(clk, 1, 1);
 261
 262         clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", bases[CLKRST1_INDEX],
 263                                 BIT(2), 0);
 264         PRCC_PCLK_STORE(clk, 1, 2);
 265
 266         clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", bases[CLKRST1_INDEX],
 267                                 BIT(3), 0);
 268         PRCC_PCLK_STORE(clk, 1, 3);
 269
 270         clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", bases[CLKRST1_INDEX],
 271                                 BIT(4), 0);
 272         PRCC_PCLK_STORE(clk, 1, 4);
 273
 274         clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", bases[CLKRST1_INDEX],
 275                                 BIT(5), 0);
 276         PRCC_PCLK_STORE(clk, 1, 5);
 277
 278         clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", bases[CLKRST1_INDEX],
 279                                 BIT(6), 0);
 280         PRCC_PCLK_STORE(clk, 1, 6);
 281
 282         clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", bases[CLKRST1_INDEX],
 283                                 BIT(7), 0);
 284         PRCC_PCLK_STORE(clk, 1, 7);
 285
 286         clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", bases[CLKRST1_INDEX],
 287                                 BIT(8), 0);
 288         PRCC_PCLK_STORE(clk, 1, 8);
 289
 290         clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", bases[CLKRST1_INDEX],
 291                                 BIT(9), 0);
 292         PRCC_PCLK_STORE(clk, 1, 9);
 293
 294         clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", bases[CLKRST1_INDEX],
 295                                 BIT(10), 0);
 296         PRCC_PCLK_STORE(clk, 1, 10);
 297
 298         clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", bases[CLKRST1_INDEX],
 299                                 BIT(11), 0);
 300         PRCC_PCLK_STORE(clk, 1, 11);
 301
 302         clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", bases[CLKRST2_INDEX],
 303                                 BIT(0), 0);
 304         PRCC_PCLK_STORE(clk, 2, 0);
 305
 306         clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", bases[CLKRST2_INDEX],
 307                                 BIT(1), 0);
 308         PRCC_PCLK_STORE(clk, 2, 1);
 309
 310         clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", bases[CLKRST2_INDEX],
 311                                 BIT(2), 0);
 312         PRCC_PCLK_STORE(clk, 2, 2);
 313
 314         clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", bases[CLKRST2_INDEX],
 315                                 BIT(3), 0);
 316         PRCC_PCLK_STORE(clk, 2, 3);
 317
 318         clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", bases[CLKRST2_INDEX],
 319                                 BIT(4), 0);
 320         PRCC_PCLK_STORE(clk, 2, 4);
 321
 322         clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", bases[CLKRST2_INDEX],
 323                                 BIT(5), 0);
 324         PRCC_PCLK_STORE(clk, 2, 5);
 325
 326         clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", bases[CLKRST2_INDEX],
 327                                 BIT(6), 0);
 328         PRCC_PCLK_STORE(clk, 2, 6);
 329
 330         clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", bases[CLKRST2_INDEX],
 331                                 BIT(7), 0);
 332         PRCC_PCLK_STORE(clk, 2, 7);
 333
 334         clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", bases[CLKRST2_INDEX],
 335                                 BIT(8), 0);
 336         PRCC_PCLK_STORE(clk, 2, 8);
 337
 338         clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", bases[CLKRST2_INDEX],
 339                                 BIT(9), 0);
 340         PRCC_PCLK_STORE(clk, 2, 9);
 341
 342         clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", bases[CLKRST2_INDEX],
 343                                 BIT(10), 0);
 344         PRCC_PCLK_STORE(clk, 2, 10);
 345
 346         clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", bases[CLKRST2_INDEX],
 347                                 BIT(11), 0);
 348         PRCC_PCLK_STORE(clk, 2, 11);
 349
 350         clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", bases[CLKRST2_INDEX],
 351                                 BIT(12), 0);
 352         PRCC_PCLK_STORE(clk, 2, 12);
 353
 354         clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", bases[CLKRST3_INDEX],
 355                                 BIT(0), 0);
 356         PRCC_PCLK_STORE(clk, 3, 0);
 357
 358         clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", bases[CLKRST3_INDEX],
 359                                 BIT(1), 0);
 360         PRCC_PCLK_STORE(clk, 3, 1);
 361
 362         clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", bases[CLKRST3_INDEX],
 363                                 BIT(2), 0);
 364         PRCC_PCLK_STORE(clk, 3, 2);
 365
 366         clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", bases[CLKRST3_INDEX],
 367                                 BIT(3), 0);
 368         PRCC_PCLK_STORE(clk, 3, 3);
 369
 370         clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", bases[CLKRST3_INDEX],
 371                                 BIT(4), 0);
 372         PRCC_PCLK_STORE(clk, 3, 4);
 373
 374         clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", bases[CLKRST3_INDEX],
 375                                 BIT(5), 0);
 376         PRCC_PCLK_STORE(clk, 3, 5);
 377
 378         clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", bases[CLKRST3_INDEX],
 379                                 BIT(6), 0);
 380         PRCC_PCLK_STORE(clk, 3, 6);
 381
 382         clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", bases[CLKRST3_INDEX],
 383                                 BIT(7), 0);
 384         PRCC_PCLK_STORE(clk, 3, 7);
 385
 386         clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", bases[CLKRST3_INDEX],
 387                                 BIT(8), 0);
 388         PRCC_PCLK_STORE(clk, 3, 8);
 389
 390         clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", bases[CLKRST5_INDEX],
 391                                 BIT(0), 0);
 392         PRCC_PCLK_STORE(clk, 5, 0);
 393
 394         clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", bases[CLKRST5_INDEX],
 395                                 BIT(1), 0);
 396         PRCC_PCLK_STORE(clk, 5, 1);
 397
 398         clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", bases[CLKRST6_INDEX],
 399                                 BIT(0), 0);
 400         PRCC_PCLK_STORE(clk, 6, 0);
 401
 402         clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", bases[CLKRST6_INDEX],
 403                                 BIT(1), 0);
 404         PRCC_PCLK_STORE(clk, 6, 1);
 405
 406         clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", bases[CLKRST6_INDEX],
 407                                 BIT(2), 0);
 408         PRCC_PCLK_STORE(clk, 6, 2);
 409
 410         clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", bases[CLKRST6_INDEX],
 411                                 BIT(3), 0);
 412         PRCC_PCLK_STORE(clk, 6, 3);
 413
 414         clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", bases[CLKRST6_INDEX],
 415                                 BIT(4), 0);
 416         PRCC_PCLK_STORE(clk, 6, 4);
 417
 418         clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", bases[CLKRST6_INDEX],
 419                                 BIT(5), 0);
 420         PRCC_PCLK_STORE(clk, 6, 5);
 421
 422         clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", bases[CLKRST6_INDEX],
 423                                 BIT(6), 0);
 424         PRCC_PCLK_STORE(clk, 6, 6);
 425
 426         clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", bases[CLKRST6_INDEX],
 427                                 BIT(7), 0);
 428         PRCC_PCLK_STORE(clk, 6, 7);
 429
 430         /* PRCC K-clocks
 431          *
 432          * FIXME: Some drivers requires PERPIH[n| to be automatically enabled
 433          * by enabling just the K-clock, even if it is not a valid parent to
 434          * the K-clock. Until drivers get fixed we might need some kind of
 435          * "parent muxed join".
 436          */
 437
 438         /* Periph1 */
 439         clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
 440                         bases[CLKRST1_INDEX], BIT(0), CLK_SET_RATE_GATE);
 441         PRCC_KCLK_STORE(clk, 1, 0);
 442
 443         clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
 444                         bases[CLKRST1_INDEX], BIT(1), CLK_SET_RATE_GATE);
 445         PRCC_KCLK_STORE(clk, 1, 1);
 446
 447         clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
 448                         bases[CLKRST1_INDEX], BIT(2), CLK_SET_RATE_GATE);
 449         PRCC_KCLK_STORE(clk, 1, 2);
 450
 451         clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
 452                         bases[CLKRST1_INDEX], BIT(3), CLK_SET_RATE_GATE);
 453         PRCC_KCLK_STORE(clk, 1, 3);
 454
 455         clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
 456                         bases[CLKRST1_INDEX], BIT(4), CLK_SET_RATE_GATE);
 457         PRCC_KCLK_STORE(clk, 1, 4);
 458
 459         clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
 460                         bases[CLKRST1_INDEX], BIT(5), CLK_SET_RATE_GATE);
 461         PRCC_KCLK_STORE(clk, 1, 5);
 462
 463         clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
 464                         bases[CLKRST1_INDEX], BIT(6), CLK_SET_RATE_GATE);
 465         PRCC_KCLK_STORE(clk, 1, 6);
 466
 467         clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
 468                         bases[CLKRST1_INDEX], BIT(8), CLK_SET_RATE_GATE);
 469         PRCC_KCLK_STORE(clk, 1, 8);
 470
 471         clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
 472                         bases[CLKRST1_INDEX], BIT(9), CLK_SET_RATE_GATE);
 473         PRCC_KCLK_STORE(clk, 1, 9);
 474
 475         clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
 476                         bases[CLKRST1_INDEX], BIT(10), CLK_SET_RATE_GATE);
 477         PRCC_KCLK_STORE(clk, 1, 10);
 478
 479         /* Periph2 */
 480         clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
 481                         bases[CLKRST2_INDEX], BIT(0), CLK_SET_RATE_GATE);
 482         PRCC_KCLK_STORE(clk, 2, 0);
 483
 484         clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
 485                         bases[CLKRST2_INDEX], BIT(2), CLK_SET_RATE_GATE);
 486         PRCC_KCLK_STORE(clk, 2, 2);
 487
 488         clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
 489                         bases[CLKRST2_INDEX], BIT(3), CLK_SET_RATE_GATE);
 490         PRCC_KCLK_STORE(clk, 2, 3);
 491
 492         clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
 493                         bases[CLKRST2_INDEX], BIT(4), CLK_SET_RATE_GATE);
 494         PRCC_KCLK_STORE(clk, 2, 4);
 495
 496         clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
 497                         bases[CLKRST2_INDEX], BIT(5), CLK_SET_RATE_GATE);
 498         PRCC_KCLK_STORE(clk, 2, 5);
 499
 500         /* Note that rate is received from parent. */
 501         clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
 502                         bases[CLKRST2_INDEX], BIT(6),
 503                         CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
 504         PRCC_KCLK_STORE(clk, 2, 6);
 505
 506         clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
 507                         bases[CLKRST2_INDEX], BIT(7),
 508                         CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
 509         PRCC_KCLK_STORE(clk, 2, 7);
 510
 511         /* Periph3 */
 512         clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
 513                         bases[CLKRST3_INDEX], BIT(1), CLK_SET_RATE_GATE);
 514         PRCC_KCLK_STORE(clk, 3, 1);
 515
 516         clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
 517                         bases[CLKRST3_INDEX], BIT(2), CLK_SET_RATE_GATE);
 518         PRCC_KCLK_STORE(clk, 3, 2);
 519
 520         clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
 521                         bases[CLKRST3_INDEX], BIT(3), CLK_SET_RATE_GATE);
 522         PRCC_KCLK_STORE(clk, 3, 3);
 523
 524         clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
 525                         bases[CLKRST3_INDEX], BIT(4), CLK_SET_RATE_GATE);
 526         PRCC_KCLK_STORE(clk, 3, 4);
 527
 528         clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
 529                         bases[CLKRST3_INDEX], BIT(5), CLK_SET_RATE_GATE);
 530         PRCC_KCLK_STORE(clk, 3, 5);
 531
 532         clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
 533                         bases[CLKRST3_INDEX], BIT(6), CLK_SET_RATE_GATE);
 534         PRCC_KCLK_STORE(clk, 3, 6);
 535
 536         clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
 537                         bases[CLKRST3_INDEX], BIT(7), CLK_SET_RATE_GATE);
 538         PRCC_KCLK_STORE(clk, 3, 7);
 539
 540         /* Periph6 */
 541         clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
 542                         bases[CLKRST6_INDEX], BIT(0), CLK_SET_RATE_GATE);
 543         PRCC_KCLK_STORE(clk, 6, 0);
 544
 545         for_each_child_of_node(np, child) {
 546                 static struct clk_onecell_data clk_data;
 547
 548                 if (!of_node_cmp(child->name, "prcmu-clock")) {
 549                         clk_data.clks = prcmu_clk;
 550                         clk_data.clk_num = ARRAY_SIZE(prcmu_clk);
 551                         of_clk_add_provider(child, of_clk_src_onecell_get, &clk_data);
 552                 }
 553                 if (!of_node_cmp(child->name, "prcc-periph-clock"))
 554                         of_clk_add_provider(child, ux500_twocell_get, prcc_pclk);
 555
 556                 if (!of_node_cmp(child->name, "prcc-kernel-clock"))
 557                         of_clk_add_provider(child, ux500_twocell_get, prcc_kclk);
 558
 559                 if (!of_node_cmp(child->name, "rtc32k-clock"))
 560                         of_clk_add_provider(child, of_clk_src_simple_get, rtc_clk);
 561
 562                 if (!of_node_cmp(child->name, "smp-twd-clock"))
 563                         of_clk_add_provider(child, of_clk_src_simple_get, twd_clk);
 564         }
 565 }
 566 CLK_OF_DECLARE(u8500_clks, "stericsson,u8500-clks", u8500_clk_init);