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ccu-sun50i-a64.c
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linux-6.19.14/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (c) 2016 Maxime Ripard. All rights reserved. 4 */ 5 6#include <linux/clk-provider.h> 7#include <linux/io.h> 8#include <linux/module.h> 9#include <linux/platform_device.h> 10 11#include "ccu_common.h" 12#include "ccu_reset.h" 13 14#include "ccu_div.h" 15#include "ccu_gate.h" 16#include "ccu_mp.h" 17#include "ccu_mult.h" 18#include "ccu_nk.h" 19#include "ccu_nkm.h" 20#include "ccu_nkmp.h" 21#include "ccu_nm.h" 22#include "ccu_phase.h" 23 24#include "ccu-sun50i-a64.h" 25 26static struct ccu_nkmp pll_cpux_clk = { 27 .enable = BIT(31), 28 .lock = BIT(28), 29 .n = _SUNXI_CCU_MULT(8, 5), 30 .k = _SUNXI_CCU_MULT(4, 2), 31 .m = _SUNXI_CCU_DIV(0, 2), 32 .p = _SUNXI_CCU_DIV_MAX(16, 2, 4), 33 .common = { 34 .reg = 0x000, 35 .hw.init = CLK_HW_INIT("pll-cpux", 36 "osc24M", 37 &ccu_nkmp_ops, 38 CLK_SET_RATE_UNGATE), 39 }, 40}; 41 42/* 43 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from 44 * the base (2x, 4x and 8x), and one variable divider (the one true 45 * pll audio). 46 * 47 * With sigma-delta modulation for fractional-N on the audio PLL, 48 * we have to use specific dividers. This means the variable divider 49 * can no longer be used, as the audio codec requests the exact clock 50 * rates we support through this mechanism. So we now hard code the 51 * variable divider to 1. This means the clock rates will no longer 52 * match the clock names. 53 */ 54#define SUN50I_A64_PLL_AUDIO_REG 0x008 55 56static struct ccu_sdm_setting pll_audio_sdm_table[] = { 57 { .rate = 22579200, .pattern = 0xc0010d84, .m = 8, .n = 7 }, 58 { .rate = 24576000, .pattern = 0xc000ac02, .m = 14, .n = 14 }, 59}; 60 61static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base", 62 "osc24M", 0x008, 63 8, 7, /* N */ 64 0, 5, /* M */ 65 pll_audio_sdm_table, BIT(24), 66 0x284, BIT(31), 67 BIT(31), /* gate */ 68 BIT(28), /* lock */ 69 CLK_SET_RATE_UNGATE); 70 71static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX_CLOSEST(pll_video0_clk, "pll-video0", 72 "osc24M", 0x010, 73 192000000, /* Minimum rate */ 74 1008000000, /* Maximum rate */ 75 8, 7, /* N */ 76 0, 4, /* M */ 77 BIT(24), /* frac enable */ 78 BIT(25), /* frac select */ 79 270000000, /* frac rate 0 */ 80 297000000, /* frac rate 1 */ 81 BIT(31), /* gate */ 82 BIT(28), /* lock */ 83 CLK_SET_RATE_UNGATE); 84 85static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve", 86 "osc24M", 0x018, 87 8, 7, /* N */ 88 0, 4, /* M */ 89 BIT(24), /* frac enable */ 90 BIT(25), /* frac select */ 91 270000000, /* frac rate 0 */ 92 297000000, /* frac rate 1 */ 93 BIT(31), /* gate */ 94 BIT(28), /* lock */ 95 CLK_SET_RATE_UNGATE); 96 97static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0", 98 "osc24M", 0x020, 99 8, 5, /* N */ 100 4, 2, /* K */ 101 0, 2, /* M */ 102 BIT(31), /* gate */ 103 BIT(28), /* lock */ 104 CLK_SET_RATE_UNGATE); 105 106static struct ccu_nk pll_periph0_clk = { 107 .enable = BIT(31), 108 .lock = BIT(28), 109 .n = _SUNXI_CCU_MULT(8, 5), 110 .k = _SUNXI_CCU_MULT_MIN(4, 2, 2), 111 .fixed_post_div = 2, 112 .common = { 113 .reg = 0x028, 114 .features = CCU_FEATURE_FIXED_POSTDIV, 115 .hw.init = CLK_HW_INIT("pll-periph0", "osc24M", 116 &ccu_nk_ops, CLK_SET_RATE_UNGATE), 117 }, 118}; 119 120static struct ccu_nk pll_periph1_clk = { 121 .enable = BIT(31), 122 .lock = BIT(28), 123 .n = _SUNXI_CCU_MULT(8, 5), 124 .k = _SUNXI_CCU_MULT_MIN(4, 2, 2), 125 .fixed_post_div = 2, 126 .common = { 127 .reg = 0x02c, 128 .features = CCU_FEATURE_FIXED_POSTDIV, 129 .hw.init = CLK_HW_INIT("pll-periph1", "osc24M", 130 &ccu_nk_ops, CLK_SET_RATE_UNGATE), 131 }, 132}; 133 134static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(pll_video1_clk, "pll-video1", 135 "osc24M", 0x030, 136 192000000, /* Minimum rate */ 137 1008000000, /* Maximum rate */ 138 8, 7, /* N */ 139 0, 4, /* M */ 140 BIT(24), /* frac enable */ 141 BIT(25), /* frac select */ 142 270000000, /* frac rate 0 */ 143 297000000, /* frac rate 1 */ 144 BIT(31), /* gate */ 145 BIT(28), /* lock */ 146 CLK_SET_RATE_UNGATE); 147 148static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu", 149 "osc24M", 0x038, 150 8, 7, /* N */ 151 0, 4, /* M */ 152 BIT(24), /* frac enable */ 153 BIT(25), /* frac select */ 154 270000000, /* frac rate 0 */ 155 297000000, /* frac rate 1 */ 156 BIT(31), /* gate */ 157 BIT(28), /* lock */ 158 CLK_SET_RATE_UNGATE); 159 160/* 161 * The output function can be changed to something more complex that 162 * we do not handle yet. 163 * 164 * Hardcode the mode so that we don't fall in that case. 165 */ 166#define SUN50I_A64_PLL_MIPI_REG 0x040 167 168static struct ccu_nkm pll_mipi_clk = { 169 /* 170 * The bit 23 and 22 are called "LDO{1,2}_EN" on the SoC's 171 * user manual, and by experiments the PLL doesn't work without 172 * these bits toggled. 173 */ 174 .enable = BIT(31) | BIT(23) | BIT(22), 175 .lock = BIT(28), 176 .n = _SUNXI_CCU_MULT(8, 4), 177 .k = _SUNXI_CCU_MULT_MIN(4, 2, 2), 178 .m = _SUNXI_CCU_DIV(0, 4), 179 .max_m_n_ratio = 3, 180 .min_parent_m_ratio = 24000000, 181 .common = { 182 .reg = 0x040, 183 .hw.init = CLK_HW_INIT("pll-mipi", "pll-video0", 184 &ccu_nkm_ops, 185 CLK_SET_RATE_UNGATE | CLK_SET_RATE_PARENT), 186 .features = CCU_FEATURE_CLOSEST_RATE, 187 .min_rate = 500000000, 188 .max_rate = 1400000000, 189 }, 190}; 191 192static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic", 193 "osc24M", 0x044, 194 8, 7, /* N */ 195 0, 4, /* M */ 196 BIT(24), /* frac enable */ 197 BIT(25), /* frac select */ 198 270000000, /* frac rate 0 */ 199 297000000, /* frac rate 1 */ 200 BIT(31), /* gate */ 201 BIT(28), /* lock */ 202 CLK_SET_RATE_UNGATE); 203 204static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de", 205 "osc24M", 0x048, 206 8, 7, /* N */ 207 0, 4, /* M */ 208 BIT(24), /* frac enable */ 209 BIT(25), /* frac select */ 210 270000000, /* frac rate 0 */ 211 297000000, /* frac rate 1 */ 212 BIT(31), /* gate */ 213 BIT(28), /* lock */ 214 CLK_SET_RATE_UNGATE); 215 216static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_ddr1_clk, "pll-ddr1", 217 "osc24M", 0x04c, 218 8, 7, /* N */ 219 0, 2, /* M */ 220 BIT(31), /* gate */ 221 BIT(28), /* lock */ 222 CLK_SET_RATE_UNGATE); 223 224static const char * const cpux_parents[] = { "osc32k", "osc24M", 225 "pll-cpux", "pll-cpux" }; 226static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents, 227 0x050, 16, 2, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL); 228 229static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0); 230 231static const char * const ahb1_parents[] = { "osc32k", "osc24M", 232 "axi", "pll-periph0" }; 233static const struct ccu_mux_var_prediv ahb1_predivs[] = { 234 { .index = 3, .shift = 6, .width = 2 }, 235}; 236static struct ccu_div ahb1_clk = { 237 .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO), 238 239 .mux = { 240 .shift = 12, 241 .width = 2, 242 243 .var_predivs = ahb1_predivs, 244 .n_var_predivs = ARRAY_SIZE(ahb1_predivs), 245 }, 246 247 .common = { 248 .reg = 0x054, 249 .features = CCU_FEATURE_VARIABLE_PREDIV, 250 .hw.init = CLK_HW_INIT_PARENTS("ahb1", 251 ahb1_parents, 252 &ccu_div_ops, 253 0), 254 }, 255}; 256 257static struct clk_div_table apb1_div_table[] = { 258 { .val = 0, .div = 2 }, 259 { .val = 1, .div = 2 }, 260 { .val = 2, .div = 4 }, 261 { .val = 3, .div = 8 }, 262 { /* Sentinel */ }, 263}; 264static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1", 265 0x054, 8, 2, apb1_div_table, 0); 266 267static const char * const apb2_parents[] = { "osc32k", "osc24M", 268 "pll-periph0-2x", 269 "pll-periph0-2x" }; 270static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058, 271 0, 5, /* M */ 272 16, 2, /* P */ 273 24, 2, /* mux */ 274 0); 275 276static const char * const ahb2_parents[] = { "ahb1", "pll-periph0" }; 277static const struct ccu_mux_fixed_prediv ahb2_fixed_predivs[] = { 278 { .index = 1, .div = 2 }, 279}; 280static struct ccu_mux ahb2_clk = { 281 .mux = { 282 .shift = 0, 283 .width = 1, 284 .fixed_predivs = ahb2_fixed_predivs, 285 .n_predivs = ARRAY_SIZE(ahb2_fixed_predivs), 286 }, 287 288 .common = { 289 .reg = 0x05c, 290 .features = CCU_FEATURE_FIXED_PREDIV, 291 .hw.init = CLK_HW_INIT_PARENTS("ahb2", 292 ahb2_parents, 293 &ccu_mux_ops, 294 0), 295 }, 296}; 297 298static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1", 299 0x060, BIT(1), 0); 300static SUNXI_CCU_GATE(bus_ce_clk, "bus-ce", "ahb1", 301 0x060, BIT(5), 0); 302static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1", 303 0x060, BIT(6), 0); 304static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1", 305 0x060, BIT(8), 0); 306static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1", 307 0x060, BIT(9), 0); 308static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1", 309 0x060, BIT(10), 0); 310static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1", 311 0x060, BIT(13), 0); 312static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1", 313 0x060, BIT(14), 0); 314static SUNXI_CCU_GATE(bus_emac_clk, "bus-emac", "ahb2", 315 0x060, BIT(17), 0); 316static SUNXI_CCU_GATE(bus_ts_clk, "bus-ts", "ahb1", 317 0x060, BIT(18), 0); 318static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1", 319 0x060, BIT(19), 0); 320static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1", 321 0x060, BIT(20), 0); 322static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1", 323 0x060, BIT(21), 0); 324static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1", 325 0x060, BIT(23), 0); 326static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb1", 327 0x060, BIT(24), 0); 328static SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb2", 329 0x060, BIT(25), 0); 330static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb1", 331 0x060, BIT(28), 0); 332static SUNXI_CCU_GATE(bus_ohci1_clk, "bus-ohci1", "ahb2", 333 0x060, BIT(29), 0); 334 335static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1", 336 0x064, BIT(0), 0); 337static SUNXI_CCU_GATE(bus_tcon0_clk, "bus-tcon0", "ahb1", 338 0x064, BIT(3), 0); 339static SUNXI_CCU_GATE(bus_tcon1_clk, "bus-tcon1", "ahb1", 340 0x064, BIT(4), 0); 341static SUNXI_CCU_GATE(bus_deinterlace_clk, "bus-deinterlace", "ahb1", 342 0x064, BIT(5), 0); 343static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1", 344 0x064, BIT(8), 0); 345static SUNXI_CCU_GATE(bus_hdmi_clk, "bus-hdmi", "ahb1", 346 0x064, BIT(11), 0); 347static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "ahb1", 348 0x064, BIT(12), 0); 349static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1", 350 0x064, BIT(20), 0); 351static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1", 352 0x064, BIT(21), 0); 353static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1", 354 0x064, BIT(22), 0); 355 356static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1", 357 0x068, BIT(0), 0); 358static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1", 359 0x068, BIT(1), 0); 360static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1", 361 0x068, BIT(5), 0); 362static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1", 363 0x068, BIT(8), 0); 364static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1", 365 0x068, BIT(12), 0); 366static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1", 367 0x068, BIT(13), 0); 368static SUNXI_CCU_GATE(bus_i2s2_clk, "bus-i2s2", "apb1", 369 0x068, BIT(14), 0); 370 371static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", 372 0x06c, BIT(0), 0); 373static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", 374 0x06c, BIT(1), 0); 375static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2", 376 0x06c, BIT(2), 0); 377static SUNXI_CCU_GATE(bus_scr_clk, "bus-scr", "apb2", 378 0x06c, BIT(5), 0); 379static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", 380 0x06c, BIT(16), 0); 381static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", 382 0x06c, BIT(17), 0); 383static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2", 384 0x06c, BIT(18), 0); 385static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2", 386 0x06c, BIT(19), 0); 387static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2", 388 0x06c, BIT(20), 0); 389 390static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "ahb1", 391 0x070, BIT(7), 0); 392 393static struct clk_div_table ths_div_table[] = { 394 { .val = 0, .div = 1 }, 395 { .val = 1, .div = 2 }, 396 { .val = 2, .div = 4 }, 397 { .val = 3, .div = 6 }, 398 { /* Sentinel */ }, 399}; 400static const char * const ths_parents[] = { "osc24M" }; 401static struct ccu_div ths_clk = { 402 .enable = BIT(31), 403 .div = _SUNXI_CCU_DIV_TABLE(0, 2, ths_div_table), 404 .mux = _SUNXI_CCU_MUX(24, 2), 405 .common = { 406 .reg = 0x074, 407 .hw.init = CLK_HW_INIT_PARENTS("ths", 408 ths_parents, 409 &ccu_div_ops, 410 0), 411 }, 412}; 413 414static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0", 415 "pll-periph1" }; 416static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080, 417 0, 4, /* M */ 418 16, 2, /* P */ 419 24, 2, /* mux */ 420 BIT(31), /* gate */ 421 0); 422 423/* 424 * MMC clocks are the new timing mode (see A83T & H3) variety, but without 425 * the mode switch. This means they have a 2x post divider between the clock 426 * and the MMC module. This is not documented in the manual, but is taken 427 * into consideration when setting the mmc module clocks in the BSP kernel. 428 * Without it, MMC performance is degraded. 429 * 430 * We model it here to be consistent with other SoCs supporting this mode. 431 * The alternative would be to add the 2x multiplier when setting the MMC 432 * module clock in the MMC driver, just for the A64. 433 */ 434static const char * const mmc_default_parents[] = { "osc24M", "pll-periph0-2x", 435 "pll-periph1-2x" }; 436static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc0_clk, "mmc0", 437 mmc_default_parents, 0x088, 438 0, 4, /* M */ 439 16, 2, /* P */ 440 24, 2, /* mux */ 441 BIT(31), /* gate */ 442 2, /* post-div */ 443 0); 444 445static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1", 446 mmc_default_parents, 0x08c, 447 0, 4, /* M */ 448 16, 2, /* P */ 449 24, 2, /* mux */ 450 BIT(31), /* gate */ 451 2, /* post-div */ 452 0); 453 454static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc2_clk, "mmc2", 455 mmc_default_parents, 0x090, 456 0, 4, /* M */ 457 16, 2, /* P */ 458 24, 2, /* mux */ 459 BIT(31), /* gate */ 460 2, /* post-div */ 461 0); 462 463static const char * const ts_parents[] = { "osc24M", "pll-periph0", }; 464static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x098, 465 0, 4, /* M */ 466 16, 2, /* P */ 467 24, 4, /* mux */ 468 BIT(31), /* gate */ 469 0); 470 471static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", mmc_default_parents, 0x09c, 472 0, 4, /* M */ 473 16, 2, /* P */ 474 24, 2, /* mux */ 475 BIT(31), /* gate */ 476 0); 477 478static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0, 479 0, 4, /* M */ 480 16, 2, /* P */ 481 24, 2, /* mux */ 482 BIT(31), /* gate */ 483 0); 484 485static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4, 486 0, 4, /* M */ 487 16, 2, /* P */ 488 24, 2, /* mux */ 489 BIT(31), /* gate */ 490 0); 491 492static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x", 493 "pll-audio-2x", "pll-audio" }; 494static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents, 495 0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT); 496 497static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents, 498 0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT); 499 500static SUNXI_CCU_MUX_WITH_GATE(i2s2_clk, "i2s2", i2s_parents, 501 0x0b8, 16, 2, BIT(31), CLK_SET_RATE_PARENT); 502 503static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio", 504 0x0c0, 0, 4, BIT(31), CLK_SET_RATE_PARENT); 505 506static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M", 507 0x0cc, BIT(8), 0); 508static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M", 509 0x0cc, BIT(9), 0); 510static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic", 511 0x0cc, BIT(10), 0); 512static SUNXI_CCU_GATE(usb_hsic_12m_clk, "usb-hsic-12M", "osc12M", 513 0x0cc, BIT(11), 0); 514static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc12M", 515 0x0cc, BIT(16), 0); 516static SUNXI_CCU_GATE(usb_ohci1_clk, "usb-ohci1", "usb-ohci0", 517 0x0cc, BIT(17), 0); 518 519static const char * const dram_parents[] = { "pll-ddr0", "pll-ddr1" }; 520static SUNXI_CCU_M_WITH_MUX(dram_clk, "dram", dram_parents, 521 0x0f4, 0, 4, 20, 2, CLK_IS_CRITICAL); 522 523static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram", 524 0x100, BIT(0), 0); 525static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "dram", 526 0x100, BIT(1), 0); 527static SUNXI_CCU_GATE(dram_deinterlace_clk, "dram-deinterlace", "dram", 528 0x100, BIT(2), 0); 529static SUNXI_CCU_GATE(dram_ts_clk, "dram-ts", "dram", 530 0x100, BIT(3), 0); 531 532static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" }; 533static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents, 534 0x104, 0, 4, 24, 3, BIT(31), 535 CLK_SET_RATE_PARENT); 536 537/* 538 * Experiments showed that RGB output requires pll-video0-2x, while DSI 539 * requires pll-mipi. It will not work with incorrect clock, the screen will 540 * be blank. 541 * sun50i-a64.dtsi assigns pll-mipi as TCON0 parent by default 542 */ 543static const char * const tcon0_parents[] = { "pll-mipi", "pll-video0-2x" }; 544static const u8 tcon0_table[] = { 0, 2, }; 545static SUNXI_CCU_MUX_TABLE_WITH_GATE_CLOSEST(tcon0_clk, "tcon0", tcon0_parents, 546 tcon0_table, 0x118, 24, 3, BIT(31), 547 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT); 548 549static const char * const tcon1_parents[] = { "pll-video0", "pll-video1" }; 550static const u8 tcon1_table[] = { 0, 2, }; 551static SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(tcon1_clk, "tcon1", tcon1_parents, 552 tcon1_table, 0x11c, 553 0, 4, /* M */ 554 24, 2, /* mux */ 555 BIT(31), /* gate */ 556 CLK_SET_RATE_PARENT); 557 558static const char * const deinterlace_parents[] = { "pll-periph0", "pll-periph1" }; 559static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace", deinterlace_parents, 560 0x124, 0, 4, 24, 3, BIT(31), 0); 561 562static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M", 563 0x130, BIT(31), 0); 564 565static const char * const csi_sclk_parents[] = { "pll-periph0", "pll-periph1" }; 566static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents, 567 0x134, 16, 4, 24, 3, BIT(31), 0); 568 569static const char * const csi_mclk_parents[] = { "osc24M", "pll-video1", "pll-periph1" }; 570static SUNXI_CCU_M_WITH_MUX_GATE(csi_mclk_clk, "csi-mclk", csi_mclk_parents, 571 0x134, 0, 5, 8, 3, BIT(15), 0); 572 573static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve", 574 0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT); 575 576static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio", 577 0x140, BIT(31), CLK_SET_RATE_PARENT); 578 579static SUNXI_CCU_GATE(ac_dig_4x_clk, "ac-dig-4x", "pll-audio-4x", 580 0x140, BIT(30), CLK_SET_RATE_PARENT); 581 582static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 583 0x144, BIT(31), 0); 584 585static const char * const hdmi_parents[] = { "pll-video0", "pll-video1" }; 586static SUNXI_CCU_M_WITH_MUX_GATE_CLOSEST(hdmi_clk, "hdmi", hdmi_parents, 587 0x150, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT); 588 589static SUNXI_CCU_GATE(hdmi_ddc_clk, "hdmi-ddc", "osc24M", 590 0x154, BIT(31), 0); 591 592static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x", 593 "pll-ddr0", "pll-ddr1" }; 594static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 595 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL); 596 597static const char * const dsi_dphy_parents[] = { "pll-video0", "pll-periph0" }; 598static const u8 dsi_dphy_table[] = { 0, 2, }; 599static SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(dsi_dphy_clk, "dsi-dphy", 600 dsi_dphy_parents, dsi_dphy_table, 601 0x168, 0, 4, 8, 2, BIT(15), CLK_SET_RATE_PARENT); 602 603static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu", 604 0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT); 605 606/* Fixed Factor clocks */ 607static CLK_FIXED_FACTOR_FW_NAME(osc12M_clk, "osc12M", "hosc", 2, 1, 0); 608 609static const struct clk_hw *clk_parent_pll_audio[] = { 610 &pll_audio_base_clk.common.hw 611}; 612 613/* We hardcode the divider to 1 for now */ 614static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio", 615 clk_parent_pll_audio, 616 1, 1, CLK_SET_RATE_PARENT); 617static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x", 618 clk_parent_pll_audio, 619 2, 1, CLK_SET_RATE_PARENT); 620static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x", 621 clk_parent_pll_audio, 622 1, 1, CLK_SET_RATE_PARENT); 623static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x", 624 clk_parent_pll_audio, 625 1, 2, CLK_SET_RATE_PARENT); 626static CLK_FIXED_FACTOR_HW(pll_periph0_2x_clk, "pll-periph0-2x", 627 &pll_periph0_clk.common.hw, 628 1, 2, 0); 629static CLK_FIXED_FACTOR_HW(pll_periph1_2x_clk, "pll-periph1-2x", 630 &pll_periph1_clk.common.hw, 631 1, 2, 0); 632static CLK_FIXED_FACTOR_HW(pll_video0_2x_clk, "pll-video0-2x", 633 &pll_video0_clk.common.hw, 634 1, 2, CLK_SET_RATE_PARENT); 635 636static struct ccu_common *sun50i_a64_ccu_clks[] = { 637 &pll_cpux_clk.common, 638 &pll_audio_base_clk.common, 639 &pll_video0_clk.common, 640 &pll_ve_clk.common, 641 &pll_ddr0_clk.common, 642 &pll_periph0_clk.common, 643 &pll_periph1_clk.common, 644 &pll_video1_clk.common, 645 &pll_gpu_clk.common, 646 &pll_mipi_clk.common, 647 &pll_hsic_clk.common, 648 &pll_de_clk.common, 649 &pll_ddr1_clk.common, 650 &cpux_clk.common, 651 &axi_clk.common, 652 &ahb1_clk.common, 653 &apb1_clk.common, 654 &apb2_clk.common, 655 &ahb2_clk.common, 656 &bus_mipi_dsi_clk.common, 657 &bus_ce_clk.common, 658 &bus_dma_clk.common, 659 &bus_mmc0_clk.common, 660 &bus_mmc1_clk.common, 661 &bus_mmc2_clk.common, 662 &bus_nand_clk.common, 663 &bus_dram_clk.common, 664 &bus_emac_clk.common, 665 &bus_ts_clk.common, 666 &bus_hstimer_clk.common, 667 &bus_spi0_clk.common, 668 &bus_spi1_clk.common, 669 &bus_otg_clk.common, 670 &bus_ehci0_clk.common, 671 &bus_ehci1_clk.common, 672 &bus_ohci0_clk.common, 673 &bus_ohci1_clk.common, 674 &bus_ve_clk.common, 675 &bus_tcon0_clk.common, 676 &bus_tcon1_clk.common, 677 &bus_deinterlace_clk.common, 678 &bus_csi_clk.common, 679 &bus_hdmi_clk.common, 680 &bus_de_clk.common, 681 &bus_gpu_clk.common, 682 &bus_msgbox_clk.common, 683 &bus_spinlock_clk.common, 684 &bus_codec_clk.common, 685 &bus_spdif_clk.common, 686 &bus_pio_clk.common, 687 &bus_ths_clk.common, 688 &bus_i2s0_clk.common, 689 &bus_i2s1_clk.common, 690 &bus_i2s2_clk.common, 691 &bus_i2c0_clk.common, 692 &bus_i2c1_clk.common, 693 &bus_i2c2_clk.common, 694 &bus_scr_clk.common, 695 &bus_uart0_clk.common, 696 &bus_uart1_clk.common, 697 &bus_uart2_clk.common, 698 &bus_uart3_clk.common, 699 &bus_uart4_clk.common, 700 &bus_dbg_clk.common, 701 &ths_clk.common, 702 &nand_clk.common, 703 &mmc0_clk.common, 704 &mmc1_clk.common, 705 &mmc2_clk.common, 706 &ts_clk.common, 707 &ce_clk.common, 708 &spi0_clk.common, 709 &spi1_clk.common, 710 &i2s0_clk.common, 711 &i2s1_clk.common, 712 &i2s2_clk.common, 713 &spdif_clk.common, 714 &usb_phy0_clk.common, 715 &usb_phy1_clk.common, 716 &usb_hsic_clk.common, 717 &usb_hsic_12m_clk.common, 718 &usb_ohci0_clk.common, 719 &usb_ohci1_clk.common, 720 &dram_clk.common, 721 &dram_ve_clk.common, 722 &dram_csi_clk.common, 723 &dram_deinterlace_clk.common, 724 &dram_ts_clk.common, 725 &de_clk.common, 726 &tcon0_clk.common, 727 &tcon1_clk.common, 728 &deinterlace_clk.common, 729 &csi_misc_clk.common, 730 &csi_sclk_clk.common, 731 &csi_mclk_clk.common, 732 &ve_clk.common, 733 &ac_dig_clk.common, 734 &ac_dig_4x_clk.common, 735 &avs_clk.common, 736 &hdmi_clk.common, 737 &hdmi_ddc_clk.common, 738 &mbus_clk.common, 739 &dsi_dphy_clk.common, 740 &gpu_clk.common, 741}; 742 743static struct clk_hw_onecell_data sun50i_a64_hw_clks = { 744 .hws = { 745 [CLK_OSC_12M] = &osc12M_clk.hw, 746 [CLK_PLL_CPUX] = &pll_cpux_clk.common.hw, 747 [CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw, 748 [CLK_PLL_AUDIO] = &pll_audio_clk.hw, 749 [CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw, 750 [CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw, 751 [CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw, 752 [CLK_PLL_VIDEO0] = &pll_video0_clk.common.hw, 753 [CLK_PLL_VIDEO0_2X] = &pll_video0_2x_clk.hw, 754 [CLK_PLL_VE] = &pll_ve_clk.common.hw, 755 [CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw, 756 [CLK_PLL_PERIPH0] = &pll_periph0_clk.common.hw, 757 [CLK_PLL_PERIPH0_2X] = &pll_periph0_2x_clk.hw, 758 [CLK_PLL_PERIPH1] = &pll_periph1_clk.common.hw, 759 [CLK_PLL_PERIPH1_2X] = &pll_periph1_2x_clk.hw, 760 [CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw, 761 [CLK_PLL_GPU] = &pll_gpu_clk.common.hw, 762 [CLK_PLL_MIPI] = &pll_mipi_clk.common.hw, 763 [CLK_PLL_HSIC] = &pll_hsic_clk.common.hw, 764 [CLK_PLL_DE] = &pll_de_clk.common.hw, 765 [CLK_PLL_DDR1] = &pll_ddr1_clk.common.hw, 766 [CLK_CPUX] = &cpux_clk.common.hw, 767 [CLK_AXI] = &axi_clk.common.hw, 768 [CLK_AHB1] = &ahb1_clk.common.hw, 769 [CLK_APB1] = &apb1_clk.common.hw, 770 [CLK_APB2] = &apb2_clk.common.hw, 771 [CLK_AHB2] = &ahb2_clk.common.hw, 772 [CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw, 773 [CLK_BUS_CE] = &bus_ce_clk.common.hw, 774 [CLK_BUS_DMA] = &bus_dma_clk.common.hw, 775 [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw, 776 [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw, 777 [CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw, 778 [CLK_BUS_NAND] = &bus_nand_clk.common.hw, 779 [CLK_BUS_DRAM] = &bus_dram_clk.common.hw, 780 [CLK_BUS_EMAC] = &bus_emac_clk.common.hw, 781 [CLK_BUS_TS] = &bus_ts_clk.common.hw, 782 [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw, 783 [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw, 784 [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw, 785 [CLK_BUS_OTG] = &bus_otg_clk.common.hw, 786 [CLK_BUS_EHCI0] = &bus_ehci0_clk.common.hw, 787 [CLK_BUS_EHCI1] = &bus_ehci1_clk.common.hw, 788 [CLK_BUS_OHCI0] = &bus_ohci0_clk.common.hw, 789 [CLK_BUS_OHCI1] = &bus_ohci1_clk.common.hw, 790 [CLK_BUS_VE] = &bus_ve_clk.common.hw, 791 [CLK_BUS_TCON0] = &bus_tcon0_clk.common.hw, 792 [CLK_BUS_TCON1] = &bus_tcon1_clk.common.hw, 793 [CLK_BUS_DEINTERLACE] = &bus_deinterlace_clk.common.hw, 794 [CLK_BUS_CSI] = &bus_csi_clk.common.hw, 795 [CLK_BUS_HDMI] = &bus_hdmi_clk.common.hw, 796 [CLK_BUS_DE] = &bus_de_clk.common.hw, 797 [CLK_BUS_GPU] = &bus_gpu_clk.common.hw, 798 [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw, 799 [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw, 800 [CLK_BUS_CODEC] = &bus_codec_clk.common.hw, 801 [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw, 802 [CLK_BUS_PIO] = &bus_pio_clk.common.hw, 803 [CLK_BUS_THS] = &bus_ths_clk.common.hw, 804 [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw, 805 [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw, 806 [CLK_BUS_I2S2] = &bus_i2s2_clk.common.hw, 807 [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw, 808 [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw, 809 [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw, 810 [CLK_BUS_UART0] = &bus_uart0_clk.common.hw, 811 [CLK_BUS_UART1] = &bus_uart1_clk.common.hw, 812 [CLK_BUS_UART2] = &bus_uart2_clk.common.hw, 813 [CLK_BUS_UART3] = &bus_uart3_clk.common.hw, 814 [CLK_BUS_UART4] = &bus_uart4_clk.common.hw, 815 [CLK_BUS_SCR] = &bus_scr_clk.common.hw, 816 [CLK_BUS_DBG] = &bus_dbg_clk.common.hw, 817 [CLK_THS] = &ths_clk.common.hw, 818 [CLK_NAND] = &nand_clk.common.hw, 819 [CLK_MMC0] = &mmc0_clk.common.hw, 820 [CLK_MMC1] = &mmc1_clk.common.hw, 821 [CLK_MMC2] = &mmc2_clk.common.hw, 822 [CLK_TS] = &ts_clk.common.hw, 823 [CLK_CE] = &ce_clk.common.hw, 824 [CLK_SPI0] = &spi0_clk.common.hw, 825 [CLK_SPI1] = &spi1_clk.common.hw, 826 [CLK_I2S0] = &i2s0_clk.common.hw, 827 [CLK_I2S1] = &i2s1_clk.common.hw, 828 [CLK_I2S2] = &i2s2_clk.common.hw, 829 [CLK_SPDIF] = &spdif_clk.common.hw, 830 [CLK_USB_PHY0] = &usb_phy0_clk.common.hw, 831 [CLK_USB_PHY1] = &usb_phy1_clk.common.hw, 832 [CLK_USB_HSIC] = &usb_hsic_clk.common.hw, 833 [CLK_USB_HSIC_12M] = &usb_hsic_12m_clk.common.hw, 834 [CLK_USB_OHCI0] = &usb_ohci0_clk.common.hw, 835 [CLK_USB_OHCI1] = &usb_ohci1_clk.common.hw, 836 [CLK_DRAM] = &dram_clk.common.hw, 837 [CLK_DRAM_VE] = &dram_ve_clk.common.hw, 838 [CLK_DRAM_CSI] = &dram_csi_clk.common.hw, 839 [CLK_DRAM_DEINTERLACE] = &dram_deinterlace_clk.common.hw, 840 [CLK_DRAM_TS] = &dram_ts_clk.common.hw, 841 [CLK_DE] = &de_clk.common.hw, 842 [CLK_TCON0] = &tcon0_clk.common.hw, 843 [CLK_TCON1] = &tcon1_clk.common.hw, 844 [CLK_DEINTERLACE] = &deinterlace_clk.common.hw, 845 [CLK_CSI_MISC] = &csi_misc_clk.common.hw, 846 [CLK_CSI_SCLK] = &csi_sclk_clk.common.hw, 847 [CLK_CSI_MCLK] = &csi_mclk_clk.common.hw, 848 [CLK_VE] = &ve_clk.common.hw, 849 [CLK_AC_DIG] = &ac_dig_clk.common.hw, 850 [CLK_AC_DIG_4X] = &ac_dig_4x_clk.common.hw, 851 [CLK_AVS] = &avs_clk.common.hw, 852 [CLK_HDMI] = &hdmi_clk.common.hw, 853 [CLK_HDMI_DDC] = &hdmi_ddc_clk.common.hw, 854 [CLK_MBUS] = &mbus_clk.common.hw, 855 [CLK_DSI_DPHY] = &dsi_dphy_clk.common.hw, 856 [CLK_GPU] = &gpu_clk.common.hw, 857 }, 858 .num = CLK_NUMBER, 859}; 860 861static const struct ccu_reset_map sun50i_a64_ccu_resets[] = { 862 [RST_USB_PHY0] = { 0x0cc, BIT(0) }, 863 [RST_USB_PHY1] = { 0x0cc, BIT(1) }, 864 [RST_USB_HSIC] = { 0x0cc, BIT(2) }, 865 866 [RST_DRAM] = { 0x0f4, BIT(31) }, 867 [RST_MBUS] = { 0x0fc, BIT(31) }, 868 869 [RST_BUS_MIPI_DSI] = { 0x2c0, BIT(1) }, 870 [RST_BUS_CE] = { 0x2c0, BIT(5) }, 871 [RST_BUS_DMA] = { 0x2c0, BIT(6) }, 872 [RST_BUS_MMC0] = { 0x2c0, BIT(8) }, 873 [RST_BUS_MMC1] = { 0x2c0, BIT(9) }, 874 [RST_BUS_MMC2] = { 0x2c0, BIT(10) }, 875 [RST_BUS_NAND] = { 0x2c0, BIT(13) }, 876 [RST_BUS_DRAM] = { 0x2c0, BIT(14) }, 877 [RST_BUS_EMAC] = { 0x2c0, BIT(17) }, 878 [RST_BUS_TS] = { 0x2c0, BIT(18) }, 879 [RST_BUS_HSTIMER] = { 0x2c0, BIT(19) }, 880 [RST_BUS_SPI0] = { 0x2c0, BIT(20) }, 881 [RST_BUS_SPI1] = { 0x2c0, BIT(21) }, 882 [RST_BUS_OTG] = { 0x2c0, BIT(23) }, 883 [RST_BUS_EHCI0] = { 0x2c0, BIT(24) }, 884 [RST_BUS_EHCI1] = { 0x2c0, BIT(25) }, 885 [RST_BUS_OHCI0] = { 0x2c0, BIT(28) }, 886 [RST_BUS_OHCI1] = { 0x2c0, BIT(29) }, 887 888 [RST_BUS_VE] = { 0x2c4, BIT(0) }, 889 [RST_BUS_TCON0] = { 0x2c4, BIT(3) }, 890 [RST_BUS_TCON1] = { 0x2c4, BIT(4) }, 891 [RST_BUS_DEINTERLACE] = { 0x2c4, BIT(5) }, 892 [RST_BUS_CSI] = { 0x2c4, BIT(8) }, 893 [RST_BUS_HDMI0] = { 0x2c4, BIT(10) }, 894 [RST_BUS_HDMI1] = { 0x2c4, BIT(11) }, 895 [RST_BUS_DE] = { 0x2c4, BIT(12) }, 896 [RST_BUS_GPU] = { 0x2c4, BIT(20) }, 897 [RST_BUS_MSGBOX] = { 0x2c4, BIT(21) }, 898 [RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) }, 899 [RST_BUS_DBG] = { 0x2c4, BIT(31) }, 900 901 [RST_BUS_LVDS] = { 0x2c8, BIT(0) }, 902 903 [RST_BUS_CODEC] = { 0x2d0, BIT(0) }, 904 [RST_BUS_SPDIF] = { 0x2d0, BIT(1) }, 905 [RST_BUS_THS] = { 0x2d0, BIT(8) }, 906 [RST_BUS_I2S0] = { 0x2d0, BIT(12) }, 907 [RST_BUS_I2S1] = { 0x2d0, BIT(13) }, 908 [RST_BUS_I2S2] = { 0x2d0, BIT(14) }, 909 910 [RST_BUS_I2C0] = { 0x2d8, BIT(0) }, 911 [RST_BUS_I2C1] = { 0x2d8, BIT(1) }, 912 [RST_BUS_I2C2] = { 0x2d8, BIT(2) }, 913 [RST_BUS_SCR] = { 0x2d8, BIT(5) }, 914 [RST_BUS_UART0] = { 0x2d8, BIT(16) }, 915 [RST_BUS_UART1] = { 0x2d8, BIT(17) }, 916 [RST_BUS_UART2] = { 0x2d8, BIT(18) }, 917 [RST_BUS_UART3] = { 0x2d8, BIT(19) }, 918 [RST_BUS_UART4] = { 0x2d8, BIT(20) }, 919}; 920 921static const struct sunxi_ccu_desc sun50i_a64_ccu_desc = { 922 .ccu_clks = sun50i_a64_ccu_clks, 923 .num_ccu_clks = ARRAY_SIZE(sun50i_a64_ccu_clks), 924 925 .hw_clks = &sun50i_a64_hw_clks, 926 927 .resets = sun50i_a64_ccu_resets, 928 .num_resets = ARRAY_SIZE(sun50i_a64_ccu_resets), 929}; 930 931static struct ccu_pll_nb sun50i_a64_pll_cpu_nb = { 932 .common = &pll_cpux_clk.common, 933 /* copy from pll_cpux_clk */ 934 .enable = BIT(31), 935 .lock = BIT(28), 936}; 937 938static struct ccu_mux_nb sun50i_a64_cpu_nb = { 939 .common = &cpux_clk.common, 940 .cm = &cpux_clk.mux, 941 .delay_us = 1, /* > 8 clock cycles at 24 MHz */ 942 .bypass_index = 1, /* index of 24 MHz oscillator */ 943}; 944 945static int sun50i_a64_ccu_probe(struct platform_device *pdev) 946{ 947 void __iomem *reg; 948 u32 val; 949 int ret; 950 951 reg = devm_platform_ioremap_resource(pdev, 0); 952 if (IS_ERR(reg)) 953 return PTR_ERR(reg); 954 955 /* Force the PLL-Audio-1x divider to 1 */ 956 val = readl(reg + SUN50I_A64_PLL_AUDIO_REG); 957 val &= ~GENMASK(19, 16); 958 writel(val | (0 << 16), reg + SUN50I_A64_PLL_AUDIO_REG); 959 960 writel(0x515, reg + SUN50I_A64_PLL_MIPI_REG); 961 962 ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a64_ccu_desc); 963 if (ret) 964 return ret; 965 966 /* Gate then ungate PLL CPU after any rate changes */ 967 ccu_pll_notifier_register(&sun50i_a64_pll_cpu_nb); 968 969 /* Reparent CPU during PLL CPU rate changes */ 970 ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk, 971 &sun50i_a64_cpu_nb); 972 973 return 0; 974} 975 976static const struct of_device_id sun50i_a64_ccu_ids[] = { 977 { .compatible = "allwinner,sun50i-a64-ccu" }, 978 { } 979}; 980MODULE_DEVICE_TABLE(of, sun50i_a64_ccu_ids); 981 982static struct platform_driver sun50i_a64_ccu_driver = { 983 .probe = sun50i_a64_ccu_probe, 984 .driver = { 985 .name = "sun50i-a64-ccu", 986 .suppress_bind_attrs = true, 987 .of_match_table = sun50i_a64_ccu_ids, 988 }, 989}; 990module_platform_driver(sun50i_a64_ccu_driver); 991 992MODULE_IMPORT_NS("SUNXI_CCU"); 993MODULE_DESCRIPTION("Support for the Allwinner A64 CCU"); 994MODULE_LICENSE("GPL");
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