1 /* 2 * (C) Copyright 2015 Google, Inc 3 * (C) Copyright 2016 Heiko Stuebner <heiko@sntech.de> 4 * 5 * SPDX-License-Identifier: GPL-2.0 6 */ 7 8 #include <common.h> 9 #include <clk-uclass.h> 10 #include <dm.h> 11 #include <dt-structs.h> 12 #include <errno.h> 13 #include <mapmem.h> 14 #include <syscon.h> 15 #include <asm/io.h> 16 #include <asm/arch/clock.h> 17 #include <asm/arch/cru_rk3188.h> 18 #include <asm/arch/grf_rk3188.h> 19 #include <asm/arch/hardware.h> 20 #include <dt-bindings/clock/rk3188-cru.h> 21 #include <dm/device-internal.h> 22 #include <dm/lists.h> 23 #include <dm/uclass-internal.h> 24 #include <linux/log2.h> 25 26 DECLARE_GLOBAL_DATA_PTR; 27 28 enum rk3188_clk_type { 29 RK3188_CRU, 30 RK3188A_CRU, 31 }; 32 33 struct rk3188_clk_plat { 34 #if CONFIG_IS_ENABLED(OF_PLATDATA) 35 struct dtd_rockchip_rk3188_cru dtd; 36 #endif 37 }; 38 39 struct pll_div { 40 u32 nr; 41 u32 nf; 42 u32 no; 43 }; 44 45 enum { 46 VCO_MAX_HZ = 2200U * 1000000, 47 VCO_MIN_HZ = 440 * 1000000, 48 OUTPUT_MAX_HZ = 2200U * 1000000, 49 OUTPUT_MIN_HZ = 30 * 1000000, 50 FREF_MAX_HZ = 2200U * 1000000, 51 FREF_MIN_HZ = 30 * 1000, 52 }; 53 54 enum { 55 /* PLL CON0 */ 56 PLL_OD_MASK = 0x0f, 57 58 /* PLL CON1 */ 59 PLL_NF_MASK = 0x1fff, 60 61 /* PLL CON2 */ 62 PLL_BWADJ_MASK = 0x0fff, 63 64 /* PLL CON3 */ 65 PLL_RESET_SHIFT = 5, 66 67 /* GRF_SOC_STATUS0 */ 68 SOCSTS_DPLL_LOCK = 1 << 5, 69 SOCSTS_APLL_LOCK = 1 << 6, 70 SOCSTS_CPLL_LOCK = 1 << 7, 71 SOCSTS_GPLL_LOCK = 1 << 8, 72 }; 73 74 #define RATE_TO_DIV(input_rate, output_rate) \ 75 ((input_rate) / (output_rate) - 1); 76 77 #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1)) 78 79 #define PLL_DIVISORS(hz, _nr, _no) {\ 80 .nr = _nr, .nf = (u32)((u64)hz * _nr * _no / OSC_HZ), .no = _no};\ 81 _Static_assert(((u64)hz * _nr * _no / OSC_HZ) * OSC_HZ /\ 82 (_nr * _no) == hz, #hz "Hz cannot be hit with PLL "\ 83 "divisors on line " __stringify(__LINE__)); 84 85 /* Keep divisors as low as possible to reduce jitter and power usage */ 86 #ifdef CONFIG_SPL_BUILD 87 static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2); 88 static const struct pll_div cpll_init_cfg = PLL_DIVISORS(CPLL_HZ, 1, 2); 89 #endif 90 91 static int rkclk_set_pll(struct rk3188_cru *cru, enum rk_clk_id clk_id, 92 const struct pll_div *div, bool has_bwadj) 93 { 94 int pll_id = rk_pll_id(clk_id); 95 struct rk3188_pll *pll = &cru->pll[pll_id]; 96 /* All PLLs have same VCO and output frequency range restrictions. */ 97 uint vco_hz = OSC_HZ / 1000 * div->nf / div->nr * 1000; 98 uint output_hz = vco_hz / div->no; 99 100 debug("PLL at %x: nf=%d, nr=%d, no=%d, vco=%u Hz, output=%u Hz\n", 101 (uint)pll, div->nf, div->nr, div->no, vco_hz, output_hz); 102 assert(vco_hz >= VCO_MIN_HZ && vco_hz <= VCO_MAX_HZ && 103 output_hz >= OUTPUT_MIN_HZ && output_hz <= OUTPUT_MAX_HZ && 104 (div->no == 1 || !(div->no % 2))); 105 106 /* enter reset */ 107 rk_setreg(&pll->con3, 1 << PLL_RESET_SHIFT); 108 109 rk_clrsetreg(&pll->con0, 110 CLKR_MASK << CLKR_SHIFT | PLL_OD_MASK, 111 ((div->nr - 1) << CLKR_SHIFT) | (div->no - 1)); 112 rk_clrsetreg(&pll->con1, CLKF_MASK, div->nf - 1); 113 114 if (has_bwadj) 115 rk_clrsetreg(&pll->con2, PLL_BWADJ_MASK, (div->nf >> 1) - 1); 116 117 udelay(10); 118 119 /* return from reset */ 120 rk_clrreg(&pll->con3, 1 << PLL_RESET_SHIFT); 121 122 return 0; 123 } 124 125 static int rkclk_configure_ddr(struct rk3188_cru *cru, struct rk3188_grf *grf, 126 unsigned int hz, bool has_bwadj) 127 { 128 static const struct pll_div dpll_cfg[] = { 129 {.nf = 25, .nr = 2, .no = 1}, 130 {.nf = 400, .nr = 9, .no = 2}, 131 {.nf = 500, .nr = 9, .no = 2}, 132 {.nf = 100, .nr = 3, .no = 1}, 133 }; 134 int cfg; 135 136 switch (hz) { 137 case 300000000: 138 cfg = 0; 139 break; 140 case 533000000: /* actually 533.3P MHz */ 141 cfg = 1; 142 break; 143 case 666000000: /* actually 666.6P MHz */ 144 cfg = 2; 145 break; 146 case 800000000: 147 cfg = 3; 148 break; 149 default: 150 debug("Unsupported SDRAM frequency"); 151 return -EINVAL; 152 } 153 154 /* pll enter slow-mode */ 155 rk_clrsetreg(&cru->cru_mode_con, DPLL_MODE_MASK << DPLL_MODE_SHIFT, 156 DPLL_MODE_SLOW << DPLL_MODE_SHIFT); 157 158 rkclk_set_pll(cru, CLK_DDR, &dpll_cfg[cfg], has_bwadj); 159 160 /* wait for pll lock */ 161 while (!(readl(&grf->soc_status0) & SOCSTS_DPLL_LOCK)) 162 udelay(1); 163 164 /* PLL enter normal-mode */ 165 rk_clrsetreg(&cru->cru_mode_con, DPLL_MODE_MASK << DPLL_MODE_SHIFT, 166 DPLL_MODE_NORMAL << DPLL_MODE_SHIFT); 167 168 return 0; 169 } 170 171 static int rkclk_configure_cpu(struct rk3188_cru *cru, struct rk3188_grf *grf, 172 unsigned int hz, bool has_bwadj) 173 { 174 static const struct pll_div apll_cfg[] = { 175 {.nf = 50, .nr = 1, .no = 2}, 176 {.nf = 67, .nr = 1, .no = 1}, 177 }; 178 int div_core_peri, div_aclk_core, cfg; 179 180 /* 181 * We support two possible frequencies, the safe 600MHz 182 * which will work with default pmic settings and will 183 * be set in SPL to get away from the 24MHz default and 184 * the maximum of 1.6Ghz, which boards can set if they 185 * were able to get pmic support for it. 186 */ 187 switch (hz) { 188 case APLL_SAFE_HZ: 189 cfg = 0; 190 div_core_peri = 1; 191 div_aclk_core = 3; 192 break; 193 case APLL_HZ: 194 cfg = 1; 195 div_core_peri = 2; 196 div_aclk_core = 3; 197 break; 198 default: 199 debug("Unsupported ARMCLK frequency"); 200 return -EINVAL; 201 } 202 203 /* pll enter slow-mode */ 204 rk_clrsetreg(&cru->cru_mode_con, APLL_MODE_MASK << APLL_MODE_SHIFT, 205 APLL_MODE_SLOW << APLL_MODE_SHIFT); 206 207 rkclk_set_pll(cru, CLK_ARM, &apll_cfg[cfg], has_bwadj); 208 209 /* waiting for pll lock */ 210 while (!(readl(&grf->soc_status0) & SOCSTS_APLL_LOCK)) 211 udelay(1); 212 213 /* Set divider for peripherals attached to the cpu core. */ 214 rk_clrsetreg(&cru->cru_clksel_con[0], 215 CORE_PERI_DIV_MASK << CORE_PERI_DIV_SHIFT, 216 div_core_peri << CORE_PERI_DIV_SHIFT); 217 218 /* set up dependent divisor for aclk_core */ 219 rk_clrsetreg(&cru->cru_clksel_con[1], 220 CORE_ACLK_DIV_MASK << CORE_ACLK_DIV_SHIFT, 221 div_aclk_core << CORE_ACLK_DIV_SHIFT); 222 223 /* PLL enter normal-mode */ 224 rk_clrsetreg(&cru->cru_mode_con, APLL_MODE_MASK << APLL_MODE_SHIFT, 225 APLL_MODE_NORMAL << APLL_MODE_SHIFT); 226 227 return hz; 228 } 229 230 /* Get pll rate by id */ 231 static uint32_t rkclk_pll_get_rate(struct rk3188_cru *cru, 232 enum rk_clk_id clk_id) 233 { 234 uint32_t nr, no, nf; 235 uint32_t con; 236 int pll_id = rk_pll_id(clk_id); 237 struct rk3188_pll *pll = &cru->pll[pll_id]; 238 static u8 clk_shift[CLK_COUNT] = { 239 0xff, APLL_MODE_SHIFT, DPLL_MODE_SHIFT, CPLL_MODE_SHIFT, 240 GPLL_MODE_SHIFT 241 }; 242 uint shift; 243 244 con = readl(&cru->cru_mode_con); 245 shift = clk_shift[clk_id]; 246 switch ((con >> shift) & APLL_MODE_MASK) { 247 case APLL_MODE_SLOW: 248 return OSC_HZ; 249 case APLL_MODE_NORMAL: 250 /* normal mode */ 251 con = readl(&pll->con0); 252 no = ((con >> CLKOD_SHIFT) & CLKOD_MASK) + 1; 253 nr = ((con >> CLKR_SHIFT) & CLKR_MASK) + 1; 254 con = readl(&pll->con1); 255 nf = ((con >> CLKF_SHIFT) & CLKF_MASK) + 1; 256 257 return (24 * nf / (nr * no)) * 1000000; 258 case APLL_MODE_DEEP: 259 default: 260 return 32768; 261 } 262 } 263 264 static ulong rockchip_mmc_get_clk(struct rk3188_cru *cru, uint gclk_rate, 265 int periph) 266 { 267 uint div; 268 u32 con; 269 270 switch (periph) { 271 case HCLK_EMMC: 272 con = readl(&cru->cru_clksel_con[12]); 273 div = (con >> EMMC_DIV_SHIFT) & EMMC_DIV_MASK; 274 break; 275 case HCLK_SDMMC: 276 con = readl(&cru->cru_clksel_con[11]); 277 div = (con >> MMC0_DIV_SHIFT) & MMC0_DIV_MASK; 278 break; 279 case HCLK_SDIO: 280 con = readl(&cru->cru_clksel_con[12]); 281 div = (con >> SDIO_DIV_SHIFT) & SDIO_DIV_MASK; 282 break; 283 default: 284 return -EINVAL; 285 } 286 287 return DIV_TO_RATE(gclk_rate, div); 288 } 289 290 static ulong rockchip_mmc_set_clk(struct rk3188_cru *cru, uint gclk_rate, 291 int periph, uint freq) 292 { 293 int src_clk_div; 294 295 debug("%s: gclk_rate=%u\n", __func__, gclk_rate); 296 src_clk_div = RATE_TO_DIV(gclk_rate, freq); 297 assert(src_clk_div <= 0x3f); 298 299 switch (periph) { 300 case HCLK_EMMC: 301 rk_clrsetreg(&cru->cru_clksel_con[12], 302 EMMC_DIV_MASK << EMMC_DIV_SHIFT, 303 src_clk_div << EMMC_DIV_SHIFT); 304 break; 305 case HCLK_SDMMC: 306 rk_clrsetreg(&cru->cru_clksel_con[11], 307 MMC0_DIV_MASK << MMC0_DIV_SHIFT, 308 src_clk_div << MMC0_DIV_SHIFT); 309 break; 310 case HCLK_SDIO: 311 rk_clrsetreg(&cru->cru_clksel_con[12], 312 SDIO_DIV_MASK << SDIO_DIV_SHIFT, 313 src_clk_div << SDIO_DIV_SHIFT); 314 break; 315 default: 316 return -EINVAL; 317 } 318 319 return rockchip_mmc_get_clk(cru, gclk_rate, periph); 320 } 321 322 static ulong rockchip_spi_get_clk(struct rk3188_cru *cru, uint gclk_rate, 323 int periph) 324 { 325 uint div; 326 u32 con; 327 328 switch (periph) { 329 case SCLK_SPI0: 330 con = readl(&cru->cru_clksel_con[25]); 331 div = (con >> SPI0_DIV_SHIFT) & SPI0_DIV_MASK; 332 break; 333 case SCLK_SPI1: 334 con = readl(&cru->cru_clksel_con[25]); 335 div = (con >> SPI1_DIV_SHIFT) & SPI1_DIV_MASK; 336 break; 337 default: 338 return -EINVAL; 339 } 340 341 return DIV_TO_RATE(gclk_rate, div); 342 } 343 344 static ulong rockchip_spi_set_clk(struct rk3188_cru *cru, uint gclk_rate, 345 int periph, uint freq) 346 { 347 int src_clk_div = RATE_TO_DIV(gclk_rate, freq); 348 349 switch (periph) { 350 case SCLK_SPI0: 351 assert(src_clk_div <= SPI0_DIV_MASK); 352 rk_clrsetreg(&cru->cru_clksel_con[25], 353 SPI0_DIV_MASK << SPI0_DIV_SHIFT, 354 src_clk_div << SPI0_DIV_SHIFT); 355 break; 356 case SCLK_SPI1: 357 assert(src_clk_div <= SPI1_DIV_MASK); 358 rk_clrsetreg(&cru->cru_clksel_con[25], 359 SPI1_DIV_MASK << SPI1_DIV_SHIFT, 360 src_clk_div << SPI1_DIV_SHIFT); 361 break; 362 default: 363 return -EINVAL; 364 } 365 366 return rockchip_spi_get_clk(cru, gclk_rate, periph); 367 } 368 369 #ifdef CONFIG_SPL_BUILD 370 static void rkclk_init(struct rk3188_cru *cru, struct rk3188_grf *grf, 371 bool has_bwadj) 372 { 373 u32 aclk_div, hclk_div, pclk_div, h2p_div; 374 375 /* pll enter slow-mode */ 376 rk_clrsetreg(&cru->cru_mode_con, 377 GPLL_MODE_MASK << GPLL_MODE_SHIFT | 378 CPLL_MODE_MASK << CPLL_MODE_SHIFT, 379 GPLL_MODE_SLOW << GPLL_MODE_SHIFT | 380 CPLL_MODE_SLOW << CPLL_MODE_SHIFT); 381 382 /* init pll */ 383 rkclk_set_pll(cru, CLK_GENERAL, &gpll_init_cfg, has_bwadj); 384 rkclk_set_pll(cru, CLK_CODEC, &cpll_init_cfg, has_bwadj); 385 386 /* waiting for pll lock */ 387 while ((readl(&grf->soc_status0) & 388 (SOCSTS_CPLL_LOCK | SOCSTS_GPLL_LOCK)) != 389 (SOCSTS_CPLL_LOCK | SOCSTS_GPLL_LOCK)) 390 udelay(1); 391 392 /* 393 * cpu clock pll source selection and 394 * reparent aclk_cpu_pre from apll to gpll 395 * set up dependent divisors for PCLK/HCLK and ACLK clocks. 396 */ 397 aclk_div = RATE_TO_DIV(GPLL_HZ, CPU_ACLK_HZ); 398 assert((aclk_div + 1) * CPU_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f); 399 400 rk_clrsetreg(&cru->cru_clksel_con[0], 401 CPU_ACLK_PLL_MASK << CPU_ACLK_PLL_SHIFT | 402 A9_CPU_DIV_MASK << A9_CPU_DIV_SHIFT, 403 CPU_ACLK_PLL_SELECT_GPLL << CPU_ACLK_PLL_SHIFT | 404 aclk_div << A9_CPU_DIV_SHIFT); 405 406 hclk_div = ilog2(CPU_ACLK_HZ / CPU_HCLK_HZ); 407 assert((1 << hclk_div) * CPU_HCLK_HZ == CPU_ACLK_HZ && hclk_div < 0x3); 408 pclk_div = ilog2(CPU_ACLK_HZ / CPU_PCLK_HZ); 409 assert((1 << pclk_div) * CPU_PCLK_HZ == CPU_ACLK_HZ && pclk_div < 0x4); 410 h2p_div = ilog2(CPU_HCLK_HZ / CPU_H2P_HZ); 411 assert((1 << h2p_div) * CPU_H2P_HZ == CPU_HCLK_HZ && pclk_div < 0x3); 412 413 rk_clrsetreg(&cru->cru_clksel_con[1], 414 AHB2APB_DIV_MASK << AHB2APB_DIV_SHIFT | 415 CPU_PCLK_DIV_MASK << CPU_PCLK_DIV_SHIFT | 416 CPU_HCLK_DIV_MASK << CPU_HCLK_DIV_SHIFT, 417 h2p_div << AHB2APB_DIV_SHIFT | 418 pclk_div << CPU_PCLK_DIV_SHIFT | 419 hclk_div << CPU_HCLK_DIV_SHIFT); 420 421 /* 422 * peri clock pll source selection and 423 * set up dependent divisors for PCLK/HCLK and ACLK clocks. 424 */ 425 aclk_div = GPLL_HZ / PERI_ACLK_HZ - 1; 426 assert((aclk_div + 1) * PERI_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f); 427 428 hclk_div = ilog2(PERI_ACLK_HZ / PERI_HCLK_HZ); 429 assert((1 << hclk_div) * PERI_HCLK_HZ == 430 PERI_ACLK_HZ && (hclk_div < 0x4)); 431 432 pclk_div = ilog2(PERI_ACLK_HZ / PERI_PCLK_HZ); 433 assert((1 << pclk_div) * PERI_PCLK_HZ == 434 PERI_ACLK_HZ && (pclk_div < 0x4)); 435 436 rk_clrsetreg(&cru->cru_clksel_con[10], 437 PERI_PCLK_DIV_MASK << PERI_PCLK_DIV_SHIFT | 438 PERI_HCLK_DIV_MASK << PERI_HCLK_DIV_SHIFT | 439 PERI_ACLK_DIV_MASK << PERI_ACLK_DIV_SHIFT, 440 PERI_SEL_GPLL << PERI_SEL_PLL_SHIFT | 441 pclk_div << PERI_PCLK_DIV_SHIFT | 442 hclk_div << PERI_HCLK_DIV_SHIFT | 443 aclk_div << PERI_ACLK_DIV_SHIFT); 444 445 /* PLL enter normal-mode */ 446 rk_clrsetreg(&cru->cru_mode_con, 447 GPLL_MODE_MASK << GPLL_MODE_SHIFT | 448 CPLL_MODE_MASK << CPLL_MODE_SHIFT, 449 GPLL_MODE_NORMAL << GPLL_MODE_SHIFT | 450 CPLL_MODE_NORMAL << CPLL_MODE_SHIFT); 451 452 rockchip_mmc_set_clk(cru, PERI_HCLK_HZ, HCLK_SDMMC, 16000000); 453 } 454 #endif 455 456 static ulong rk3188_clk_get_rate(struct clk *clk) 457 { 458 struct rk3188_clk_priv *priv = dev_get_priv(clk->dev); 459 ulong new_rate, gclk_rate; 460 461 gclk_rate = rkclk_pll_get_rate(priv->cru, CLK_GENERAL); 462 switch (clk->id) { 463 case 1 ... 4: 464 new_rate = rkclk_pll_get_rate(priv->cru, clk->id); 465 break; 466 case HCLK_EMMC: 467 case HCLK_SDMMC: 468 case HCLK_SDIO: 469 new_rate = rockchip_mmc_get_clk(priv->cru, PERI_HCLK_HZ, 470 clk->id); 471 break; 472 case SCLK_SPI0: 473 case SCLK_SPI1: 474 new_rate = rockchip_spi_get_clk(priv->cru, PERI_PCLK_HZ, 475 clk->id); 476 break; 477 case PCLK_I2C0: 478 case PCLK_I2C1: 479 case PCLK_I2C2: 480 case PCLK_I2C3: 481 case PCLK_I2C4: 482 return gclk_rate; 483 default: 484 return -ENOENT; 485 } 486 487 return new_rate; 488 } 489 490 static ulong rk3188_clk_set_rate(struct clk *clk, ulong rate) 491 { 492 struct rk3188_clk_priv *priv = dev_get_priv(clk->dev); 493 struct rk3188_cru *cru = priv->cru; 494 ulong new_rate; 495 496 switch (clk->id) { 497 case PLL_APLL: 498 new_rate = rkclk_configure_cpu(priv->cru, priv->grf, rate, 499 priv->has_bwadj); 500 break; 501 case CLK_DDR: 502 new_rate = rkclk_configure_ddr(priv->cru, priv->grf, rate, 503 priv->has_bwadj); 504 break; 505 case HCLK_EMMC: 506 case HCLK_SDMMC: 507 case HCLK_SDIO: 508 new_rate = rockchip_mmc_set_clk(cru, PERI_HCLK_HZ, 509 clk->id, rate); 510 break; 511 case SCLK_SPI0: 512 case SCLK_SPI1: 513 new_rate = rockchip_spi_set_clk(cru, PERI_PCLK_HZ, 514 clk->id, rate); 515 break; 516 default: 517 return -ENOENT; 518 } 519 520 return new_rate; 521 } 522 523 static struct clk_ops rk3188_clk_ops = { 524 .get_rate = rk3188_clk_get_rate, 525 .set_rate = rk3188_clk_set_rate, 526 }; 527 528 static int rk3188_clk_ofdata_to_platdata(struct udevice *dev) 529 { 530 #if !CONFIG_IS_ENABLED(OF_PLATDATA) 531 struct rk3188_clk_priv *priv = dev_get_priv(dev); 532 533 priv->cru = (struct rk3188_cru *)dev_get_addr(dev); 534 #endif 535 536 return 0; 537 } 538 539 static int rk3188_clk_probe(struct udevice *dev) 540 { 541 struct rk3188_clk_priv *priv = dev_get_priv(dev); 542 enum rk3188_clk_type type = dev_get_driver_data(dev); 543 544 priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); 545 if (IS_ERR(priv->grf)) 546 return PTR_ERR(priv->grf); 547 priv->has_bwadj = (type == RK3188A_CRU) ? 1 : 0; 548 549 #ifdef CONFIG_SPL_BUILD 550 #if CONFIG_IS_ENABLED(OF_PLATDATA) 551 struct rk3188_clk_plat *plat = dev_get_platdata(dev); 552 553 priv->cru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]); 554 #endif 555 556 rkclk_init(priv->cru, priv->grf, priv->has_bwadj); 557 #endif 558 559 return 0; 560 } 561 562 static int rk3188_clk_bind(struct udevice *dev) 563 { 564 int ret; 565 566 /* The reset driver does not have a device node, so bind it here */ 567 ret = device_bind_driver(gd->dm_root, "rk3188_sysreset", "reset", &dev); 568 if (ret) 569 debug("Warning: No rk3188 reset driver: ret=%d\n", ret); 570 571 return 0; 572 } 573 574 static const struct udevice_id rk3188_clk_ids[] = { 575 { .compatible = "rockchip,rk3188-cru", .data = RK3188_CRU }, 576 { .compatible = "rockchip,rk3188a-cru", .data = RK3188A_CRU }, 577 { } 578 }; 579 580 U_BOOT_DRIVER(rockchip_rk3188_cru) = { 581 .name = "rockchip_rk3188_cru", 582 .id = UCLASS_CLK, 583 .of_match = rk3188_clk_ids, 584 .priv_auto_alloc_size = sizeof(struct rk3188_clk_priv), 585 .platdata_auto_alloc_size = sizeof(struct rk3188_clk_plat), 586 .ops = &rk3188_clk_ops, 587 .bind = rk3188_clk_bind, 588 .ofdata_to_platdata = rk3188_clk_ofdata_to_platdata, 589 .probe = rk3188_clk_probe, 590 }; 591