1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2020 Yangtao Li <frank@allwinnertech.com> 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 23 #include "ccu-sun50i-a100.h" 24 25 #define SUN50I_A100_PLL_SDM_ENABLE BIT(24) 26 #define SUN50I_A100_PLL_OUTPUT_ENABLE BIT(27) 27 #define SUN50I_A100_PLL_LOCK BIT(28) 28 #define SUN50I_A100_PLL_LOCK_ENABLE BIT(29) 29 #define SUN50I_A100_PLL_ENABLE BIT(31) 30 31 #define SUN50I_A100_PLL_PERIPH1_PATTERN0 0xd1303333 32 33 /* 34 * The CPU PLL is actually NP clock, with P being /1, /2 or /4. However 35 * P should only be used for output frequencies lower than 288 MHz. 36 * 37 * For now we can just model it as a multiplier clock, and force P to /1. 38 * 39 * The M factor is present in the register's description, but not in the 40 * frequency formula, and it's documented as "M is only used for backdoor 41 * testing", so it's not modelled and then force to 0. 42 */ 43 #define SUN50I_A100_PLL_CPUX_REG 0x000 44 static struct ccu_mult pll_cpux_clk = { 45 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 46 .lock = SUN50I_A100_PLL_LOCK, 47 .mult = _SUNXI_CCU_MULT_MIN(8, 8, 12), 48 .common = { 49 .reg = 0x000, 50 .hw.init = CLK_HW_INIT("pll-cpux", "dcxo24M", 51 &ccu_mult_ops, 52 CLK_SET_RATE_UNGATE), 53 }, 54 }; 55 56 /* Some PLLs are input * N / div1 / P. Model them as NKMP with no K */ 57 #define SUN50I_A100_PLL_DDR0_REG 0x010 58 static struct ccu_nkmp pll_ddr0_clk = { 59 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 60 .lock = SUN50I_A100_PLL_LOCK, 61 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 62 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 63 .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ 64 .common = { 65 .reg = 0x010, 66 .hw.init = CLK_HW_INIT("pll-ddr0", "dcxo24M", 67 &ccu_nkmp_ops, 68 CLK_SET_RATE_UNGATE | 69 CLK_IS_CRITICAL), 70 }, 71 }; 72 73 #define SUN50I_A100_PLL_PERIPH0_REG 0x020 74 static struct ccu_nkmp pll_periph0_clk = { 75 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 76 .lock = SUN50I_A100_PLL_LOCK, 77 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 78 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 79 .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ 80 .fixed_post_div = 2, 81 .common = { 82 .reg = 0x020, 83 .features = CCU_FEATURE_FIXED_POSTDIV, 84 .hw.init = CLK_HW_INIT("pll-periph0", "dcxo24M", 85 &ccu_nkmp_ops, 86 CLK_SET_RATE_UNGATE), 87 }, 88 }; 89 90 #define SUN50I_A100_PLL_PERIPH1_REG 0x028 91 static struct ccu_nkmp pll_periph1_clk = { 92 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 93 .lock = SUN50I_A100_PLL_LOCK, 94 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 95 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 96 .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ 97 .fixed_post_div = 2, 98 .common = { 99 .reg = 0x028, 100 .features = CCU_FEATURE_FIXED_POSTDIV, 101 .hw.init = CLK_HW_INIT("pll-periph1", "dcxo24M", 102 &ccu_nkmp_ops, 103 CLK_SET_RATE_UNGATE), 104 }, 105 }; 106 #define SUN50I_A100_PLL_PERIPH1_PATTERN0_REG 0x128 107 108 #define SUN50I_A100_PLL_GPU_REG 0x030 109 static struct ccu_nkmp pll_gpu_clk = { 110 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 111 .lock = SUN50I_A100_PLL_LOCK, 112 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 113 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 114 .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ 115 .common = { 116 .reg = 0x030, 117 .hw.init = CLK_HW_INIT("pll-gpu", "dcxo24M", 118 &ccu_nkmp_ops, 119 CLK_SET_RATE_UNGATE), 120 }, 121 }; 122 123 /* 124 * For Video PLLs, the output divider is described as "used for testing" 125 * in the user manual. So it's not modelled and forced to 0. 126 */ 127 #define SUN50I_A100_PLL_VIDEO0_REG 0x040 128 static struct ccu_nm pll_video0_clk = { 129 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 130 .lock = SUN50I_A100_PLL_LOCK, 131 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 132 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 133 .fixed_post_div = 4, 134 .common = { 135 .reg = 0x040, 136 .features = CCU_FEATURE_FIXED_POSTDIV, 137 .hw.init = CLK_HW_INIT("pll-video0", "dcxo24M", 138 &ccu_nm_ops, 139 CLK_SET_RATE_UNGATE), 140 }, 141 }; 142 143 #define SUN50I_A100_PLL_VIDEO1_REG 0x048 144 static struct ccu_nm pll_video1_clk = { 145 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 146 .lock = SUN50I_A100_PLL_LOCK, 147 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 148 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 149 .fixed_post_div = 4, 150 .common = { 151 .reg = 0x048, 152 .features = CCU_FEATURE_FIXED_POSTDIV, 153 .hw.init = CLK_HW_INIT("pll-video1", "dcxo24M", 154 &ccu_nm_ops, 155 CLK_SET_RATE_UNGATE), 156 }, 157 }; 158 159 #define SUN50I_A100_PLL_VIDEO2_REG 0x050 160 static struct ccu_nm pll_video2_clk = { 161 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 162 .lock = SUN50I_A100_PLL_LOCK, 163 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 164 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 165 .fixed_post_div = 4, 166 .common = { 167 .reg = 0x050, 168 .features = CCU_FEATURE_FIXED_POSTDIV, 169 .hw.init = CLK_HW_INIT("pll-video2", "dcxo24M", 170 &ccu_nm_ops, 171 CLK_SET_RATE_UNGATE), 172 }, 173 }; 174 175 #define SUN50I_A100_PLL_VE_REG 0x058 176 static struct ccu_nkmp pll_ve_clk = { 177 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 178 .lock = SUN50I_A100_PLL_LOCK, 179 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 180 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 181 .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ 182 .common = { 183 .reg = 0x058, 184 .hw.init = CLK_HW_INIT("pll-ve", "dcxo24M", 185 &ccu_nkmp_ops, 186 CLK_SET_RATE_UNGATE), 187 }, 188 }; 189 190 /* 191 * The COM PLL has m0 dividers in addition to the usual N, M 192 * factors. Since we only need 1 frequencies from this PLL: 45.1584 MHz, 193 * ignore it for now. 194 */ 195 #define SUN50I_A100_PLL_COM_REG 0x060 196 static struct ccu_sdm_setting pll_com_sdm_table[] = { 197 { .rate = 451584000, .pattern = 0xc0014396, .m = 2, .n = 37 }, 198 }; 199 200 static struct ccu_nm pll_com_clk = { 201 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 202 .lock = SUN50I_A100_PLL_LOCK, 203 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 204 .m = _SUNXI_CCU_DIV(0, 1), 205 .sdm = _SUNXI_CCU_SDM(pll_com_sdm_table, BIT(24), 206 0x160, BIT(31)), 207 .common = { 208 .reg = 0x060, 209 .features = CCU_FEATURE_SIGMA_DELTA_MOD, 210 .hw.init = CLK_HW_INIT("pll-com", "dcxo24M", 211 &ccu_nm_ops, 212 CLK_SET_RATE_UNGATE), 213 }, 214 }; 215 216 #define SUN50I_A100_PLL_VIDEO3_REG 0x068 217 static struct ccu_nm pll_video3_clk = { 218 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 219 .lock = SUN50I_A100_PLL_LOCK, 220 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 221 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 222 .fixed_post_div = 4, 223 .common = { 224 .reg = 0x068, 225 .features = CCU_FEATURE_FIXED_POSTDIV, 226 .hw.init = CLK_HW_INIT("pll-video3", "dcxo24M", 227 &ccu_nm_ops, 228 CLK_SET_RATE_UNGATE), 229 }, 230 }; 231 232 /* 233 * The Audio PLL has m0, m1 dividers in addition to the usual N, M 234 * factors. Since we only need 4 frequencies from this PLL: 22.5792 MHz, 235 * 24.576 MHz, 90.3168MHz and 98.304MHz ignore them for now. 236 * Enforce the default for them, which is m0 = 1, m1 = 0. 237 */ 238 #define SUN50I_A100_PLL_AUDIO_REG 0x078 239 static struct ccu_sdm_setting pll_audio_sdm_table[] = { 240 { .rate = 45158400, .pattern = 0xc001bcd3, .m = 18, .n = 33 }, 241 { .rate = 49152000, .pattern = 0xc001eb85, .m = 20, .n = 40 }, 242 { .rate = 180633600, .pattern = 0xc001288d, .m = 3, .n = 22 }, 243 { .rate = 196608000, .pattern = 0xc001eb85, .m = 5, .n = 40 }, 244 }; 245 246 static struct ccu_nm pll_audio_clk = { 247 .enable = SUN50I_A100_PLL_OUTPUT_ENABLE, 248 .lock = SUN50I_A100_PLL_LOCK, 249 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 250 .m = _SUNXI_CCU_DIV(16, 6), 251 .fixed_post_div = 2, 252 .sdm = _SUNXI_CCU_SDM(pll_audio_sdm_table, BIT(24), 253 0x178, BIT(31)), 254 .common = { 255 .reg = 0x078, 256 .features = CCU_FEATURE_FIXED_POSTDIV | 257 CCU_FEATURE_SIGMA_DELTA_MOD, 258 .hw.init = CLK_HW_INIT("pll-audio", "dcxo24M", 259 &ccu_nm_ops, 260 CLK_SET_RATE_UNGATE), 261 }, 262 }; 263 264 static const char * const cpux_parents[] = { "dcxo24M", "osc32k", 265 "iosc", "pll-cpux", 266 "pll-periph0" }; 267 static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents, 268 0x500, 24, 3, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL); 269 static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x500, 0, 2, 0); 270 static SUNXI_CCU_M(cpux_apb_clk, "cpux-apb", "cpux", 0x500, 8, 2, 0); 271 272 static const char * const psi_ahb1_ahb2_parents[] = { "dcxo24M", "osc32k", 273 "iosc", "pll-periph0", 274 "pll-periph0-2x" }; 275 static SUNXI_CCU_MP_WITH_MUX(psi_ahb1_ahb2_clk, "psi-ahb1-ahb2", 276 psi_ahb1_ahb2_parents, 0x510, 277 0, 2, /* M */ 278 8, 2, /* P */ 279 24, 3, /* mux */ 280 0); 281 282 static const char * const ahb3_apb1_apb2_parents[] = { "dcxo24M", "osc32k", 283 "psi-ahb1-ahb2", 284 "pll-periph0", 285 "pll-periph0-2x" }; 286 static SUNXI_CCU_MP_WITH_MUX(ahb3_clk, "ahb3", ahb3_apb1_apb2_parents, 0x51c, 287 0, 2, /* M */ 288 8, 2, /* P */ 289 24, 3, /* mux */ 290 0); 291 292 static SUNXI_CCU_MP_WITH_MUX(apb1_clk, "apb1", ahb3_apb1_apb2_parents, 0x520, 293 0, 2, /* M */ 294 8, 2, /* P */ 295 24, 3, /* mux */ 296 0); 297 298 static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", ahb3_apb1_apb2_parents, 0x524, 299 0, 2, /* M */ 300 8, 2, /* P */ 301 24, 3, /* mux */ 302 0); 303 304 static const char * const mbus_parents[] = { "dcxo24M", "pll-ddr0", 305 "pll-periph0", 306 "pll-periph0-2x" }; 307 static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 0x540, 308 0, 3, /* M */ 309 24, 2, /* mux */ 310 BIT(31), /* gate */ 311 CLK_IS_CRITICAL); 312 313 static const char * const de_parents[] = { "pll-com", "pll-periph0-2x" }; 314 static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de0", de_parents, 0x600, 315 0, 4, /* M */ 316 24, 1, /* mux */ 317 BIT(31), /* gate */ 318 CLK_SET_RATE_PARENT); 319 320 static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "psi-ahb1-ahb2", 321 0x60c, BIT(0), 0); 322 323 static const char * const g2d_parents[] = { "pll-com", "pll-periph0-2x", 324 "pll-video0-2x", "pll-video1-2x", 325 "pll-video2-2x"}; 326 static SUNXI_CCU_M_WITH_MUX_GATE(g2d_clk, "g2d", 327 g2d_parents, 328 0x630, 329 0, 4, /* M */ 330 24, 3, /* mux */ 331 BIT(31), /* gate */ 332 0); 333 334 static SUNXI_CCU_GATE(bus_g2d_clk, "bus-g2d", "psi-ahb1-ahb2", 335 0x63c, BIT(0), 0); 336 337 static const char * const gpu_parents[] = { "pll-gpu" }; 338 static SUNXI_CCU_M_WITH_MUX_GATE(gpu_clk, "gpu", gpu_parents, 0x670, 339 0, 2, /* M */ 340 24, 1, /* mux */ 341 BIT(31), /* gate */ 342 0); 343 344 static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "psi-ahb1-ahb2", 345 0x67c, BIT(0), 0); 346 347 static const char * const ce_parents[] = { "dcxo24M", "pll-periph0-2x" }; 348 static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", ce_parents, 0x680, 349 0, 4, /* M */ 350 8, 2, /* P */ 351 24, 1, /* mux */ 352 BIT(31), /* gate */ 353 0); 354 355 static SUNXI_CCU_GATE(bus_ce_clk, "bus-ce", "psi-ahb1-ahb2", 356 0x68c, BIT(0), 0); 357 358 static const char * const ve_parents[] = { "pll-ve" }; 359 static SUNXI_CCU_M_WITH_MUX_GATE(ve_clk, "ve", ve_parents, 0x690, 360 0, 3, /* M */ 361 24, 1, /* mux */ 362 BIT(31), /* gate */ 363 CLK_SET_RATE_PARENT); 364 365 static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "psi-ahb1-ahb2", 366 0x69c, BIT(0), 0); 367 368 static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "psi-ahb1-ahb2", 369 0x70c, BIT(0), 0); 370 371 static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "psi-ahb1-ahb2", 372 0x71c, BIT(0), 0); 373 374 static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "psi-ahb1-ahb2", 375 0x72c, BIT(0), 0); 376 377 static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "psi-ahb1-ahb2", 378 0x73c, BIT(0), 0); 379 380 static SUNXI_CCU_GATE(avs_clk, "avs", "dcxo24M", 0x740, BIT(31), 0); 381 382 static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "psi-ahb1-ahb2", 383 0x78c, BIT(0), 0); 384 385 static SUNXI_CCU_GATE(bus_psi_clk, "bus-psi", "psi-ahb1-ahb2", 386 0x79c, BIT(0), 0); 387 388 static SUNXI_CCU_GATE(bus_pwm_clk, "bus-pwm", "apb1", 0x7ac, BIT(0), 0); 389 390 static SUNXI_CCU_GATE(bus_iommu_clk, "bus-iommu", "apb1", 0x7bc, BIT(0), 0); 391 392 static SUNXI_CCU_GATE(mbus_dma_clk, "mbus-dma", "mbus", 393 0x804, BIT(0), 0); 394 static SUNXI_CCU_GATE(mbus_ve_clk, "mbus-ve", "mbus", 395 0x804, BIT(1), 0); 396 static SUNXI_CCU_GATE(mbus_ce_clk, "mbus-ce", "mbus", 397 0x804, BIT(2), 0); 398 static SUNXI_CCU_GATE(mbus_nand_clk, "mbus-nand", "mbus", 399 0x804, BIT(5), 0); 400 static SUNXI_CCU_GATE(mbus_csi_clk, "mbus-csi", "mbus", 401 0x804, BIT(8), 0); 402 static SUNXI_CCU_GATE(mbus_isp_clk, "mbus-isp", "mbus", 403 0x804, BIT(9), 0); 404 static SUNXI_CCU_GATE(mbus_g2d_clk, "mbus-g2d", "mbus", 405 0x804, BIT(10), 0); 406 407 static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "psi-ahb1-ahb2", 408 0x80c, BIT(0), CLK_IS_CRITICAL); 409 410 static const char * const nand_spi_parents[] = { "dcxo24M", 411 "pll-periph0", 412 "pll-periph1", 413 "pll-periph0-2x", 414 "pll-periph1-2x" }; 415 static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_clk, "nand0", nand_spi_parents, 0x810, 416 0, 4, /* M */ 417 8, 2, /* P */ 418 24, 3, /* mux */ 419 BIT(31), /* gate */ 420 0); 421 422 static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_clk, "nand1", nand_spi_parents, 0x814, 423 0, 4, /* M */ 424 8, 2, /* P */ 425 24, 3, /* mux */ 426 BIT(31), /* gate */ 427 0); 428 429 static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb3", 0x82c, BIT(0), 0); 430 431 static const char * const mmc_parents[] = { "dcxo24M", "pll-periph0-2x", 432 "pll-periph1-2x" }; 433 static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc0_clk, "mmc0", mmc_parents, 0x830, 434 0, 4, /* M */ 435 8, 2, /* P */ 436 24, 2, /* mux */ 437 BIT(31), /* gate */ 438 2, /* post-div */ 439 CLK_SET_RATE_NO_REPARENT); 440 441 static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1", mmc_parents, 0x834, 442 0, 4, /* M */ 443 8, 2, /* P */ 444 24, 2, /* mux */ 445 BIT(31), /* gate */ 446 2, /* post-div */ 447 CLK_SET_RATE_NO_REPARENT); 448 449 static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc2_clk, "mmc2", mmc_parents, 0x838, 450 0, 4, /* M */ 451 8, 2, /* P */ 452 24, 2, /* mux */ 453 BIT(31), /* gate */ 454 2, /* post-div */ 455 CLK_SET_RATE_NO_REPARENT); 456 457 static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb3", 0x84c, BIT(0), 0); 458 static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb3", 0x84c, BIT(1), 0); 459 static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb3", 0x84c, BIT(2), 0); 460 461 static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", 0x90c, BIT(0), 0); 462 static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", 0x90c, BIT(1), 0); 463 static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2", 0x90c, BIT(2), 0); 464 static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2", 0x90c, BIT(3), 0); 465 static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2", 0x90c, BIT(4), 0); 466 467 static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", 0x91c, BIT(0), 0); 468 static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", 0x91c, BIT(1), 0); 469 static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2", 0x91c, BIT(2), 0); 470 static SUNXI_CCU_GATE(bus_i2c3_clk, "bus-i2c3", "apb2", 0x91c, BIT(3), 0); 471 472 static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", nand_spi_parents, 0x940, 473 0, 4, /* M */ 474 8, 2, /* P */ 475 24, 3, /* mux */ 476 BIT(31), /* gate */ 477 0); 478 479 static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", nand_spi_parents, 0x944, 480 0, 4, /* M */ 481 8, 2, /* P */ 482 24, 3, /* mux */ 483 BIT(31), /* gate */ 484 0); 485 486 static SUNXI_CCU_MP_WITH_MUX_GATE(spi2_clk, "spi2", nand_spi_parents, 0x948, 487 0, 4, /* M */ 488 8, 2, /* P */ 489 24, 3, /* mux */ 490 BIT(31), /* gate */ 491 0); 492 493 static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb3", 0x96c, BIT(0), 0); 494 static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb3", 0x96c, BIT(1), 0); 495 static SUNXI_CCU_GATE(bus_spi2_clk, "bus-spi2", "ahb3", 0x96c, BIT(2), 0); 496 497 static SUNXI_CCU_GATE(emac_25m_clk, "emac-25m", "ahb3", 0x970, 498 BIT(31) | BIT(30), 0); 499 500 static SUNXI_CCU_GATE(bus_emac_clk, "bus-emac", "ahb3", 0x97c, BIT(0), 0); 501 502 static const char * const ir_parents[] = { "osc32k", "iosc", 503 "pll-periph0", "pll-periph1" }; 504 static SUNXI_CCU_MP_WITH_MUX_GATE(ir_rx_clk, "ir-rx", ir_parents, 0x990, 505 0, 4, /* M */ 506 8, 2, /* P */ 507 24, 3, /* mux */ 508 BIT(31), /* gate */ 509 0); 510 511 static SUNXI_CCU_GATE(bus_ir_rx_clk, "bus-ir-rx", "ahb3", 0x99c, BIT(0), 0); 512 513 static SUNXI_CCU_MP_WITH_MUX_GATE(ir_tx_clk, "ir-tx", ir_parents, 0x9c0, 514 0, 4, /* M */ 515 8, 2, /* P */ 516 24, 3, /* mux */ 517 BIT(31), /* gate */ 518 0); 519 520 static SUNXI_CCU_GATE(bus_ir_tx_clk, "bus-ir-tx", "apb1", 0x9cc, BIT(0), 0); 521 522 static SUNXI_CCU_GATE(bus_gpadc_clk, "bus-gpadc", "apb1", 0x9ec, BIT(0), 0); 523 524 static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1", 0x9fc, BIT(0), 0); 525 526 static const char * const audio_parents[] = { "pll-audio", "pll-com-audio" }; 527 static struct ccu_div i2s0_clk = { 528 .enable = BIT(31), 529 .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), 530 .mux = _SUNXI_CCU_MUX(24, 2), 531 .common = { 532 .reg = 0xa10, 533 .hw.init = CLK_HW_INIT_PARENTS("i2s0", 534 audio_parents, 535 &ccu_div_ops, 536 CLK_SET_RATE_PARENT), 537 }, 538 }; 539 540 static struct ccu_div i2s1_clk = { 541 .enable = BIT(31), 542 .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), 543 .mux = _SUNXI_CCU_MUX(24, 2), 544 .common = { 545 .reg = 0xa14, 546 .hw.init = CLK_HW_INIT_PARENTS("i2s1", 547 audio_parents, 548 &ccu_div_ops, 549 CLK_SET_RATE_PARENT), 550 }, 551 }; 552 553 static struct ccu_div i2s2_clk = { 554 .enable = BIT(31), 555 .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), 556 .mux = _SUNXI_CCU_MUX(24, 2), 557 .common = { 558 .reg = 0xa18, 559 .hw.init = CLK_HW_INIT_PARENTS("i2s2", 560 audio_parents, 561 &ccu_div_ops, 562 CLK_SET_RATE_PARENT), 563 }, 564 }; 565 566 static struct ccu_div i2s3_clk = { 567 .enable = BIT(31), 568 .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), 569 .mux = _SUNXI_CCU_MUX(24, 2), 570 .common = { 571 .reg = 0xa1c, 572 .hw.init = CLK_HW_INIT_PARENTS("i2s3", 573 audio_parents, 574 &ccu_div_ops, 575 CLK_SET_RATE_PARENT), 576 }, 577 }; 578 579 static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1", 0xa20, BIT(0), 0); 580 static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1", 0xa20, BIT(1), 0); 581 static SUNXI_CCU_GATE(bus_i2s2_clk, "bus-i2s2", "apb1", 0xa20, BIT(2), 0); 582 static SUNXI_CCU_GATE(bus_i2s3_clk, "bus-i2s3", "apb1", 0xa20, BIT(3), 0); 583 584 static struct ccu_div spdif_clk = { 585 .enable = BIT(31), 586 .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), 587 .mux = _SUNXI_CCU_MUX(24, 2), 588 .common = { 589 .reg = 0xa24, 590 .hw.init = CLK_HW_INIT_PARENTS("spdif", 591 audio_parents, 592 &ccu_div_ops, 593 0), 594 }, 595 }; 596 597 static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1", 0xa2c, BIT(0), 0); 598 599 static struct ccu_div dmic_clk = { 600 .enable = BIT(31), 601 .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), 602 .mux = _SUNXI_CCU_MUX(24, 2), 603 .common = { 604 .reg = 0xa40, 605 .hw.init = CLK_HW_INIT_PARENTS("dmic", 606 audio_parents, 607 &ccu_div_ops, 608 0), 609 }, 610 }; 611 612 static SUNXI_CCU_GATE(bus_dmic_clk, "bus-dmic", "apb1", 0xa4c, BIT(0), 0); 613 614 static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_dac_clk, "audio-codec-dac", 615 audio_parents, 0xa50, 616 0, 4, /* M */ 617 24, 2, /* mux */ 618 BIT(31), /* gate */ 619 0); 620 621 static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_adc_clk, "audio-codec-adc", 622 audio_parents, 0xa54, 623 0, 4, /* M */ 624 24, 2, /* mux */ 625 BIT(31), /* gate */ 626 0); 627 628 static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_4x_clk, "audio-codec-4x", 629 audio_parents, 0xa58, 630 0, 4, /* M */ 631 24, 2, /* mux */ 632 BIT(31), /* gate */ 633 0); 634 635 static SUNXI_CCU_GATE(bus_audio_codec_clk, "bus-audio-codec", "apb1", 0xa5c, 636 BIT(0), 0); 637 638 /* 639 * There are OHCI 12M clock source selection bits for 2 USB 2.0 ports. 640 * We will force them to 0 (12M divided from 48M). 641 */ 642 #define SUN50I_A100_USB0_CLK_REG 0xa70 643 #define SUN50I_A100_USB1_CLK_REG 0xa74 644 645 static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc12M", 0xa70, BIT(31), 0); 646 static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "dcxo24M", 0xa70, BIT(29), 0); 647 648 static SUNXI_CCU_GATE(usb_ohci1_clk, "usb-ohci1", "osc12M", 0xa74, BIT(31), 0); 649 static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "dcxo24M", 0xa74, BIT(29), 0); 650 651 static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb3", 0xa8c, BIT(0), 0); 652 static SUNXI_CCU_GATE(bus_ohci1_clk, "bus-ohci1", "ahb3", 0xa8c, BIT(1), 0); 653 static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb3", 0xa8c, BIT(4), 0); 654 static SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb3", 0xa8c, BIT(5), 0); 655 static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb3", 0xa8c, BIT(8), 0); 656 657 static SUNXI_CCU_GATE(bus_lradc_clk, "bus-lradc", "ahb3", 0xa9c, BIT(0), 0); 658 659 static SUNXI_CCU_GATE(bus_dpss_top0_clk, "bus-dpss-top0", "ahb3", 660 0xabc, BIT(0), 0); 661 662 static SUNXI_CCU_GATE(bus_dpss_top1_clk, "bus-dpss-top1", "ahb3", 663 0xacc, BIT(0), 0); 664 665 static const char * const mipi_dsi_parents[] = { "dcxo24M", "pll-periph0-2x", 666 "pll-periph0" }; 667 static SUNXI_CCU_M_WITH_MUX_GATE(mipi_dsi_clk, "mipi-dsi", 668 mipi_dsi_parents, 669 0xb24, 670 0, 4, /* M */ 671 24, 2, /* mux */ 672 BIT(31), /* gate */ 673 0); 674 675 static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb3", 676 0xb4c, BIT(0), 0); 677 678 static const char * const tcon_lcd_parents[] = { "pll-video0-4x", 679 "pll-video1-4x", 680 "pll-video2-4x", 681 "pll-video3-4x", 682 "pll-periph0-2x" }; 683 static SUNXI_CCU_MP_WITH_MUX_GATE(tcon_lcd_clk, "tcon-lcd0", 684 tcon_lcd_parents, 0xb60, 685 0, 4, /* M */ 686 8, 2, /* P */ 687 24, 3, /* mux */ 688 BIT(31), /* gate */ 689 0); 690 691 static SUNXI_CCU_GATE(bus_tcon_lcd_clk, "bus-tcon-lcd0", "ahb3", 692 0xb7c, BIT(0), 0); 693 694 static const char * const ledc_parents[] = { "dcxo24M", 695 "pll-periph0" }; 696 static SUNXI_CCU_MP_WITH_MUX_GATE(ledc_clk, "ledc", 697 ledc_parents, 0xbf0, 698 0, 4, /* M */ 699 8, 2, /* P */ 700 24, 3, /* mux */ 701 BIT(31), /* gate */ 702 0); 703 704 static SUNXI_CCU_GATE(bus_ledc_clk, "bus-ledc", "ahb3", 0xbfc, BIT(0), 0); 705 706 static const char * const csi_top_parents[] = { "pll-periph0-2x", 707 "pll-video0-2x", 708 "pll-video1-2x", 709 "pll-video2-2x", 710 "pll-video3-2x" }; 711 static SUNXI_CCU_M_WITH_MUX_GATE(csi_top_clk, "csi-top", 712 csi_top_parents, 0xc04, 713 0, 4, /* M */ 714 24, 3, /* mux */ 715 BIT(31), /* gate */ 716 0); 717 718 static const char * const csi0_mclk_parents[] = { "dcxo24M", "pll-video2", 719 "pll-video3", "pll-video0", 720 "pll-video1" }; 721 static SUNXI_CCU_M_WITH_MUX_GATE(csi0_mclk_clk, "csi0-mclk", 722 csi0_mclk_parents, 0xc08, 723 0, 5, /* M */ 724 24, 3, /* mux */ 725 BIT(31), /* gate */ 726 0); 727 728 static const char * const csi1_mclk_parents[] = { "dcxo24M", "pll-video3", 729 "pll-video0", "pll-video1", 730 "pll-video2" }; 731 static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi1-mclk", 732 csi1_mclk_parents, 0xc0c, 733 0, 5, /* M */ 734 24, 3, /* mux */ 735 BIT(31), /* gate */ 736 0); 737 738 static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb3", 0xc1c, BIT(0), 0); 739 740 static const char * const csi_isp_parents[] = { "pll-periph0-2x", 741 "pll-video0-2x", 742 "pll-video1-2x", 743 "pll-video2-2x", 744 "pll-video3-2x" }; 745 static SUNXI_CCU_M_WITH_MUX_GATE(csi_isp_clk, "csi-isp", 746 csi_isp_parents, 0xc20, 747 0, 5, /* M */ 748 24, 3, /* mux */ 749 BIT(31), /* gate */ 750 0); 751 752 /* Fixed factor clocks */ 753 static CLK_FIXED_FACTOR_FW_NAME(osc12M_clk, "osc12M", "hosc", 2, 1, 0); 754 755 static CLK_FIXED_FACTOR_HW(pll_com_audio_clk, "pll-com-audio", 756 &pll_com_clk.common.hw, 757 5, 1, CLK_SET_RATE_PARENT); 758 759 static CLK_FIXED_FACTOR_HW(pll_periph0_2x_clk, "pll-periph0-2x", 760 &pll_periph0_clk.common.hw, 761 1, 2, 0); 762 763 static CLK_FIXED_FACTOR_HW(pll_periph1_2x_clk, "pll-periph1-2x", 764 &pll_periph1_clk.common.hw, 765 1, 2, 0); 766 767 static const struct clk_hw *pll_video0_parents[] = { 768 &pll_video0_clk.common.hw 769 }; 770 static CLK_FIXED_FACTOR_HWS(pll_video0_4x_clk, "pll-video0-4x", 771 pll_video0_parents, 772 1, 4, CLK_SET_RATE_PARENT); 773 static CLK_FIXED_FACTOR_HWS(pll_video0_2x_clk, "pll-video0-2x", 774 pll_video0_parents, 775 1, 2, CLK_SET_RATE_PARENT); 776 777 static const struct clk_hw *pll_video1_parents[] = { 778 &pll_video1_clk.common.hw 779 }; 780 static CLK_FIXED_FACTOR_HWS(pll_video1_4x_clk, "pll-video1-4x", 781 pll_video1_parents, 782 1, 4, CLK_SET_RATE_PARENT); 783 static CLK_FIXED_FACTOR_HWS(pll_video1_2x_clk, "pll-video1-2x", 784 pll_video1_parents, 785 1, 2, CLK_SET_RATE_PARENT); 786 787 static const struct clk_hw *pll_video2_parents[] = { 788 &pll_video2_clk.common.hw 789 }; 790 static CLK_FIXED_FACTOR_HWS(pll_video2_4x_clk, "pll-video2-4x", 791 pll_video2_parents, 792 1, 4, CLK_SET_RATE_PARENT); 793 static CLK_FIXED_FACTOR_HWS(pll_video2_2x_clk, "pll-video2-2x", 794 pll_video2_parents, 795 1, 2, CLK_SET_RATE_PARENT); 796 797 static const struct clk_hw *pll_video3_parents[] = { 798 &pll_video3_clk.common.hw 799 }; 800 static CLK_FIXED_FACTOR_HWS(pll_video3_4x_clk, "pll-video3-4x", 801 pll_video3_parents, 802 1, 4, CLK_SET_RATE_PARENT); 803 static CLK_FIXED_FACTOR_HWS(pll_video3_2x_clk, "pll-video3-2x", 804 pll_video3_parents, 805 1, 2, CLK_SET_RATE_PARENT); 806 807 static struct ccu_common *sun50i_a100_ccu_clks[] = { 808 &pll_cpux_clk.common, 809 &pll_ddr0_clk.common, 810 &pll_periph0_clk.common, 811 &pll_periph1_clk.common, 812 &pll_gpu_clk.common, 813 &pll_video0_clk.common, 814 &pll_video1_clk.common, 815 &pll_video2_clk.common, 816 &pll_video3_clk.common, 817 &pll_ve_clk.common, 818 &pll_com_clk.common, 819 &pll_audio_clk.common, 820 &cpux_clk.common, 821 &axi_clk.common, 822 &cpux_apb_clk.common, 823 &psi_ahb1_ahb2_clk.common, 824 &ahb3_clk.common, 825 &apb1_clk.common, 826 &apb2_clk.common, 827 &mbus_clk.common, 828 &de_clk.common, 829 &bus_de_clk.common, 830 &g2d_clk.common, 831 &bus_g2d_clk.common, 832 &gpu_clk.common, 833 &bus_gpu_clk.common, 834 &ce_clk.common, 835 &bus_ce_clk.common, 836 &ve_clk.common, 837 &bus_ve_clk.common, 838 &bus_dma_clk.common, 839 &bus_msgbox_clk.common, 840 &bus_spinlock_clk.common, 841 &bus_hstimer_clk.common, 842 &avs_clk.common, 843 &bus_dbg_clk.common, 844 &bus_psi_clk.common, 845 &bus_pwm_clk.common, 846 &bus_iommu_clk.common, 847 &mbus_dma_clk.common, 848 &mbus_ve_clk.common, 849 &mbus_ce_clk.common, 850 &mbus_nand_clk.common, 851 &mbus_csi_clk.common, 852 &mbus_isp_clk.common, 853 &mbus_g2d_clk.common, 854 &bus_dram_clk.common, 855 &nand0_clk.common, 856 &nand1_clk.common, 857 &bus_nand_clk.common, 858 &mmc0_clk.common, 859 &mmc1_clk.common, 860 &mmc2_clk.common, 861 &bus_mmc0_clk.common, 862 &bus_mmc1_clk.common, 863 &bus_mmc2_clk.common, 864 &bus_uart0_clk.common, 865 &bus_uart1_clk.common, 866 &bus_uart2_clk.common, 867 &bus_uart3_clk.common, 868 &bus_uart4_clk.common, 869 &bus_i2c0_clk.common, 870 &bus_i2c1_clk.common, 871 &bus_i2c2_clk.common, 872 &bus_i2c3_clk.common, 873 &spi0_clk.common, 874 &spi1_clk.common, 875 &spi2_clk.common, 876 &bus_spi0_clk.common, 877 &bus_spi1_clk.common, 878 &bus_spi2_clk.common, 879 &emac_25m_clk.common, 880 &bus_emac_clk.common, 881 &ir_rx_clk.common, 882 &bus_ir_rx_clk.common, 883 &ir_tx_clk.common, 884 &bus_ir_tx_clk.common, 885 &bus_gpadc_clk.common, 886 &bus_ths_clk.common, 887 &i2s0_clk.common, 888 &i2s1_clk.common, 889 &i2s2_clk.common, 890 &i2s3_clk.common, 891 &bus_i2s0_clk.common, 892 &bus_i2s1_clk.common, 893 &bus_i2s2_clk.common, 894 &bus_i2s3_clk.common, 895 &spdif_clk.common, 896 &bus_spdif_clk.common, 897 &dmic_clk.common, 898 &bus_dmic_clk.common, 899 &audio_codec_dac_clk.common, 900 &audio_codec_adc_clk.common, 901 &audio_codec_4x_clk.common, 902 &bus_audio_codec_clk.common, 903 &usb_ohci0_clk.common, 904 &usb_phy0_clk.common, 905 &usb_ohci1_clk.common, 906 &usb_phy1_clk.common, 907 &bus_ohci0_clk.common, 908 &bus_ohci1_clk.common, 909 &bus_ehci0_clk.common, 910 &bus_ehci1_clk.common, 911 &bus_otg_clk.common, 912 &bus_lradc_clk.common, 913 &bus_dpss_top0_clk.common, 914 &bus_dpss_top1_clk.common, 915 &mipi_dsi_clk.common, 916 &bus_mipi_dsi_clk.common, 917 &tcon_lcd_clk.common, 918 &bus_tcon_lcd_clk.common, 919 &ledc_clk.common, 920 &bus_ledc_clk.common, 921 &csi_top_clk.common, 922 &csi0_mclk_clk.common, 923 &csi1_mclk_clk.common, 924 &bus_csi_clk.common, 925 &csi_isp_clk.common, 926 }; 927 928 static struct clk_hw_onecell_data sun50i_a100_hw_clks = { 929 .hws = { 930 [CLK_OSC12M] = &osc12M_clk.hw, 931 [CLK_PLL_CPUX] = &pll_cpux_clk.common.hw, 932 [CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw, 933 [CLK_PLL_PERIPH0] = &pll_periph0_clk.common.hw, 934 [CLK_PLL_PERIPH0_2X] = &pll_periph0_2x_clk.hw, 935 [CLK_PLL_PERIPH1] = &pll_periph1_clk.common.hw, 936 [CLK_PLL_PERIPH1_2X] = &pll_periph1_2x_clk.hw, 937 [CLK_PLL_GPU] = &pll_gpu_clk.common.hw, 938 [CLK_PLL_VIDEO0] = &pll_video0_clk.common.hw, 939 [CLK_PLL_VIDEO0_2X] = &pll_video0_2x_clk.hw, 940 [CLK_PLL_VIDEO0_4X] = &pll_video0_4x_clk.hw, 941 [CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw, 942 [CLK_PLL_VIDEO1_2X] = &pll_video1_2x_clk.hw, 943 [CLK_PLL_VIDEO1_4X] = &pll_video1_4x_clk.hw, 944 [CLK_PLL_VIDEO2] = &pll_video2_clk.common.hw, 945 [CLK_PLL_VIDEO2_2X] = &pll_video2_2x_clk.hw, 946 [CLK_PLL_VIDEO2_4X] = &pll_video2_4x_clk.hw, 947 [CLK_PLL_VIDEO3] = &pll_video3_clk.common.hw, 948 [CLK_PLL_VIDEO3_2X] = &pll_video3_2x_clk.hw, 949 [CLK_PLL_VIDEO3_4X] = &pll_video3_4x_clk.hw, 950 [CLK_PLL_VE] = &pll_ve_clk.common.hw, 951 [CLK_PLL_COM] = &pll_com_clk.common.hw, 952 [CLK_PLL_COM_AUDIO] = &pll_com_audio_clk.hw, 953 [CLK_PLL_AUDIO] = &pll_audio_clk.common.hw, 954 [CLK_CPUX] = &cpux_clk.common.hw, 955 [CLK_AXI] = &axi_clk.common.hw, 956 [CLK_CPUX_APB] = &cpux_apb_clk.common.hw, 957 [CLK_PSI_AHB1_AHB2] = &psi_ahb1_ahb2_clk.common.hw, 958 [CLK_AHB3] = &ahb3_clk.common.hw, 959 [CLK_APB1] = &apb1_clk.common.hw, 960 [CLK_APB2] = &apb2_clk.common.hw, 961 [CLK_MBUS] = &mbus_clk.common.hw, 962 [CLK_DE] = &de_clk.common.hw, 963 [CLK_BUS_DE] = &bus_de_clk.common.hw, 964 [CLK_G2D] = &g2d_clk.common.hw, 965 [CLK_BUS_G2D] = &bus_g2d_clk.common.hw, 966 [CLK_GPU] = &gpu_clk.common.hw, 967 [CLK_BUS_GPU] = &bus_gpu_clk.common.hw, 968 [CLK_CE] = &ce_clk.common.hw, 969 [CLK_BUS_CE] = &bus_ce_clk.common.hw, 970 [CLK_VE] = &ve_clk.common.hw, 971 [CLK_BUS_VE] = &bus_ve_clk.common.hw, 972 [CLK_BUS_DMA] = &bus_dma_clk.common.hw, 973 [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw, 974 [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw, 975 [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw, 976 [CLK_AVS] = &avs_clk.common.hw, 977 [CLK_BUS_DBG] = &bus_dbg_clk.common.hw, 978 [CLK_BUS_PSI] = &bus_psi_clk.common.hw, 979 [CLK_BUS_PWM] = &bus_pwm_clk.common.hw, 980 [CLK_BUS_IOMMU] = &bus_iommu_clk.common.hw, 981 [CLK_MBUS_DMA] = &mbus_dma_clk.common.hw, 982 [CLK_MBUS_VE] = &mbus_ve_clk.common.hw, 983 [CLK_MBUS_CE] = &mbus_ce_clk.common.hw, 984 [CLK_MBUS_NAND] = &mbus_nand_clk.common.hw, 985 [CLK_MBUS_CSI] = &mbus_csi_clk.common.hw, 986 [CLK_MBUS_ISP] = &mbus_isp_clk.common.hw, 987 [CLK_MBUS_G2D] = &mbus_g2d_clk.common.hw, 988 [CLK_BUS_DRAM] = &bus_dram_clk.common.hw, 989 [CLK_NAND0] = &nand0_clk.common.hw, 990 [CLK_NAND1] = &nand1_clk.common.hw, 991 [CLK_BUS_NAND] = &bus_nand_clk.common.hw, 992 [CLK_MMC0] = &mmc0_clk.common.hw, 993 [CLK_MMC1] = &mmc1_clk.common.hw, 994 [CLK_MMC2] = &mmc2_clk.common.hw, 995 [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw, 996 [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw, 997 [CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw, 998 [CLK_BUS_UART0] = &bus_uart0_clk.common.hw, 999 [CLK_BUS_UART1] = &bus_uart1_clk.common.hw, 1000 [CLK_BUS_UART2] = &bus_uart2_clk.common.hw, 1001 [CLK_BUS_UART3] = &bus_uart3_clk.common.hw, 1002 [CLK_BUS_UART4] = &bus_uart4_clk.common.hw, 1003 [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw, 1004 [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw, 1005 [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw, 1006 [CLK_BUS_I2C3] = &bus_i2c3_clk.common.hw, 1007 [CLK_SPI0] = &spi0_clk.common.hw, 1008 [CLK_SPI1] = &spi1_clk.common.hw, 1009 [CLK_SPI2] = &spi2_clk.common.hw, 1010 [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw, 1011 [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw, 1012 [CLK_BUS_SPI2] = &bus_spi2_clk.common.hw, 1013 [CLK_EMAC_25M] = &emac_25m_clk.common.hw, 1014 [CLK_BUS_EMAC] = &bus_emac_clk.common.hw, 1015 [CLK_IR_RX] = &ir_rx_clk.common.hw, 1016 [CLK_BUS_IR_RX] = &bus_ir_rx_clk.common.hw, 1017 [CLK_IR_TX] = &ir_tx_clk.common.hw, 1018 [CLK_BUS_IR_TX] = &bus_ir_tx_clk.common.hw, 1019 [CLK_BUS_GPADC] = &bus_gpadc_clk.common.hw, 1020 [CLK_BUS_THS] = &bus_ths_clk.common.hw, 1021 [CLK_I2S0] = &i2s0_clk.common.hw, 1022 [CLK_I2S1] = &i2s1_clk.common.hw, 1023 [CLK_I2S2] = &i2s2_clk.common.hw, 1024 [CLK_I2S3] = &i2s3_clk.common.hw, 1025 [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw, 1026 [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw, 1027 [CLK_BUS_I2S2] = &bus_i2s2_clk.common.hw, 1028 [CLK_BUS_I2S3] = &bus_i2s3_clk.common.hw, 1029 [CLK_SPDIF] = &spdif_clk.common.hw, 1030 [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw, 1031 [CLK_DMIC] = &dmic_clk.common.hw, 1032 [CLK_BUS_DMIC] = &bus_dmic_clk.common.hw, 1033 [CLK_AUDIO_DAC] = &audio_codec_dac_clk.common.hw, 1034 [CLK_AUDIO_ADC] = &audio_codec_adc_clk.common.hw, 1035 [CLK_AUDIO_4X] = &audio_codec_4x_clk.common.hw, 1036 [CLK_BUS_AUDIO_CODEC] = &bus_audio_codec_clk.common.hw, 1037 [CLK_USB_OHCI0] = &usb_ohci0_clk.common.hw, 1038 [CLK_USB_PHY0] = &usb_phy0_clk.common.hw, 1039 [CLK_USB_OHCI1] = &usb_ohci1_clk.common.hw, 1040 [CLK_USB_PHY1] = &usb_phy1_clk.common.hw, 1041 [CLK_BUS_OHCI0] = &bus_ohci0_clk.common.hw, 1042 [CLK_BUS_OHCI1] = &bus_ohci1_clk.common.hw, 1043 [CLK_BUS_EHCI0] = &bus_ehci0_clk.common.hw, 1044 [CLK_BUS_EHCI1] = &bus_ehci1_clk.common.hw, 1045 [CLK_BUS_OTG] = &bus_otg_clk.common.hw, 1046 [CLK_BUS_LRADC] = &bus_lradc_clk.common.hw, 1047 [CLK_BUS_DPSS_TOP0] = &bus_dpss_top0_clk.common.hw, 1048 [CLK_BUS_DPSS_TOP1] = &bus_dpss_top1_clk.common.hw, 1049 [CLK_MIPI_DSI] = &mipi_dsi_clk.common.hw, 1050 [CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw, 1051 [CLK_TCON_LCD] = &tcon_lcd_clk.common.hw, 1052 [CLK_BUS_TCON_LCD] = &bus_tcon_lcd_clk.common.hw, 1053 [CLK_LEDC] = &ledc_clk.common.hw, 1054 [CLK_BUS_LEDC] = &bus_ledc_clk.common.hw, 1055 [CLK_CSI_TOP] = &csi_top_clk.common.hw, 1056 [CLK_CSI0_MCLK] = &csi0_mclk_clk.common.hw, 1057 [CLK_CSI1_MCLK] = &csi1_mclk_clk.common.hw, 1058 [CLK_BUS_CSI] = &bus_csi_clk.common.hw, 1059 [CLK_CSI_ISP] = &csi_isp_clk.common.hw, 1060 }, 1061 .num = CLK_NUMBER, 1062 }; 1063 1064 static struct ccu_reset_map sun50i_a100_ccu_resets[] = { 1065 [RST_MBUS] = { 0x540, BIT(30) }, 1066 1067 [RST_BUS_DE] = { 0x60c, BIT(16) }, 1068 [RST_BUS_G2D] = { 0x63c, BIT(16) }, 1069 [RST_BUS_GPU] = { 0x67c, BIT(16) }, 1070 [RST_BUS_CE] = { 0x68c, BIT(16) }, 1071 [RST_BUS_VE] = { 0x69c, BIT(16) }, 1072 [RST_BUS_DMA] = { 0x70c, BIT(16) }, 1073 [RST_BUS_MSGBOX] = { 0x71c, BIT(16) }, 1074 [RST_BUS_SPINLOCK] = { 0x72c, BIT(16) }, 1075 [RST_BUS_HSTIMER] = { 0x73c, BIT(16) }, 1076 [RST_BUS_DBG] = { 0x78c, BIT(16) }, 1077 [RST_BUS_PSI] = { 0x79c, BIT(16) }, 1078 [RST_BUS_PWM] = { 0x7ac, BIT(16) }, 1079 [RST_BUS_DRAM] = { 0x80c, BIT(16) }, 1080 [RST_BUS_NAND] = { 0x82c, BIT(16) }, 1081 [RST_BUS_MMC0] = { 0x84c, BIT(16) }, 1082 [RST_BUS_MMC1] = { 0x84c, BIT(17) }, 1083 [RST_BUS_MMC2] = { 0x84c, BIT(18) }, 1084 [RST_BUS_UART0] = { 0x90c, BIT(16) }, 1085 [RST_BUS_UART1] = { 0x90c, BIT(17) }, 1086 [RST_BUS_UART2] = { 0x90c, BIT(18) }, 1087 [RST_BUS_UART3] = { 0x90c, BIT(19) }, 1088 [RST_BUS_UART4] = { 0x90c, BIT(20) }, 1089 [RST_BUS_I2C0] = { 0x91c, BIT(16) }, 1090 [RST_BUS_I2C1] = { 0x91c, BIT(17) }, 1091 [RST_BUS_I2C2] = { 0x91c, BIT(18) }, 1092 [RST_BUS_I2C3] = { 0x91c, BIT(19) }, 1093 [RST_BUS_SPI0] = { 0x96c, BIT(16) }, 1094 [RST_BUS_SPI1] = { 0x96c, BIT(17) }, 1095 [RST_BUS_SPI2] = { 0x96c, BIT(18) }, 1096 [RST_BUS_EMAC] = { 0x97c, BIT(16) }, 1097 [RST_BUS_IR_RX] = { 0x99c, BIT(16) }, 1098 [RST_BUS_IR_TX] = { 0x9cc, BIT(16) }, 1099 [RST_BUS_GPADC] = { 0x9ec, BIT(16) }, 1100 [RST_BUS_THS] = { 0x9fc, BIT(16) }, 1101 [RST_BUS_I2S0] = { 0xa20, BIT(16) }, 1102 [RST_BUS_I2S1] = { 0xa20, BIT(17) }, 1103 [RST_BUS_I2S2] = { 0xa20, BIT(18) }, 1104 [RST_BUS_I2S3] = { 0xa20, BIT(19) }, 1105 [RST_BUS_SPDIF] = { 0xa2c, BIT(16) }, 1106 [RST_BUS_DMIC] = { 0xa4c, BIT(16) }, 1107 [RST_BUS_AUDIO_CODEC] = { 0xa5c, BIT(16) }, 1108 1109 [RST_USB_PHY0] = { 0xa70, BIT(30) }, 1110 [RST_USB_PHY1] = { 0xa74, BIT(30) }, 1111 1112 [RST_BUS_OHCI0] = { 0xa8c, BIT(16) }, 1113 [RST_BUS_OHCI1] = { 0xa8c, BIT(17) }, 1114 [RST_BUS_EHCI0] = { 0xa8c, BIT(20) }, 1115 [RST_BUS_EHCI1] = { 0xa8c, BIT(21) }, 1116 [RST_BUS_OTG] = { 0xa8c, BIT(24) }, 1117 1118 [RST_BUS_LRADC] = { 0xa9c, BIT(16) }, 1119 [RST_BUS_DPSS_TOP0] = { 0xabc, BIT(16) }, 1120 [RST_BUS_DPSS_TOP1] = { 0xacc, BIT(16) }, 1121 [RST_BUS_MIPI_DSI] = { 0xb4c, BIT(16) }, 1122 [RST_BUS_TCON_LCD] = { 0xb7c, BIT(16) }, 1123 [RST_BUS_LVDS] = { 0xbac, BIT(16) }, 1124 [RST_BUS_LEDC] = { 0xbfc, BIT(16) }, 1125 [RST_BUS_CSI] = { 0xc1c, BIT(16) }, 1126 [RST_BUS_CSI_ISP] = { 0xc2c, BIT(16) }, 1127 }; 1128 1129 static const struct sunxi_ccu_desc sun50i_a100_ccu_desc = { 1130 .ccu_clks = sun50i_a100_ccu_clks, 1131 .num_ccu_clks = ARRAY_SIZE(sun50i_a100_ccu_clks), 1132 1133 .hw_clks = &sun50i_a100_hw_clks, 1134 1135 .resets = sun50i_a100_ccu_resets, 1136 .num_resets = ARRAY_SIZE(sun50i_a100_ccu_resets), 1137 }; 1138 1139 static const u32 sun50i_a100_pll_regs[] = { 1140 SUN50I_A100_PLL_CPUX_REG, 1141 SUN50I_A100_PLL_DDR0_REG, 1142 SUN50I_A100_PLL_PERIPH0_REG, 1143 SUN50I_A100_PLL_PERIPH1_REG, 1144 SUN50I_A100_PLL_GPU_REG, 1145 SUN50I_A100_PLL_VIDEO0_REG, 1146 SUN50I_A100_PLL_VIDEO1_REG, 1147 SUN50I_A100_PLL_VIDEO2_REG, 1148 SUN50I_A100_PLL_VIDEO3_REG, 1149 SUN50I_A100_PLL_VE_REG, 1150 SUN50I_A100_PLL_COM_REG, 1151 SUN50I_A100_PLL_AUDIO_REG, 1152 }; 1153 1154 static const u32 sun50i_a100_pll_video_regs[] = { 1155 SUN50I_A100_PLL_VIDEO0_REG, 1156 SUN50I_A100_PLL_VIDEO1_REG, 1157 SUN50I_A100_PLL_VIDEO2_REG, 1158 SUN50I_A100_PLL_VIDEO3_REG, 1159 }; 1160 1161 static const u32 sun50i_a100_usb2_clk_regs[] = { 1162 SUN50I_A100_USB0_CLK_REG, 1163 SUN50I_A100_USB1_CLK_REG, 1164 }; 1165 1166 static struct ccu_pll_nb sun50i_a100_pll_cpu_nb = { 1167 .common = &pll_cpux_clk.common, 1168 /* copy from pll_cpux_clk */ 1169 .enable = BIT(27), 1170 .lock = BIT(28), 1171 }; 1172 1173 static struct ccu_mux_nb sun50i_a100_cpu_nb = { 1174 .common = &cpux_clk.common, 1175 .cm = &cpux_clk.mux, 1176 .delay_us = 1, 1177 .bypass_index = 4, /* index of pll periph0 */ 1178 }; 1179 1180 static int sun50i_a100_ccu_probe(struct platform_device *pdev) 1181 { 1182 void __iomem *reg; 1183 u32 val; 1184 int i, ret; 1185 1186 reg = devm_platform_ioremap_resource(pdev, 0); 1187 if (IS_ERR(reg)) 1188 return PTR_ERR(reg); 1189 1190 /* 1191 * Enable lock and enable bits on all PLLs. 1192 * 1193 * Due to the current design, multiple PLLs share one power switch, 1194 * so switching PLL is easy to cause stability problems. 1195 * When initializing, we enable them by default. When disable, 1196 * we only turn off the output of PLL. 1197 */ 1198 for (i = 0; i < ARRAY_SIZE(sun50i_a100_pll_regs); i++) { 1199 val = readl(reg + sun50i_a100_pll_regs[i]); 1200 val |= SUN50I_A100_PLL_LOCK_ENABLE | SUN50I_A100_PLL_ENABLE; 1201 writel(val, reg + sun50i_a100_pll_regs[i]); 1202 } 1203 1204 /* 1205 * In order to pass the EMI certification, the SDM function of 1206 * the peripheral 1 bus is enabled, and the frequency is still 1207 * calculated using the previous division factor. 1208 */ 1209 writel(SUN50I_A100_PLL_PERIPH1_PATTERN0, 1210 reg + SUN50I_A100_PLL_PERIPH1_PATTERN0_REG); 1211 1212 val = readl(reg + SUN50I_A100_PLL_PERIPH1_REG); 1213 val |= SUN50I_A100_PLL_SDM_ENABLE; 1214 writel(val, reg + SUN50I_A100_PLL_PERIPH1_REG); 1215 1216 /* 1217 * Force the output divider of video PLLs to 0. 1218 * 1219 * See the comment before pll-video0 definition for the reason. 1220 */ 1221 for (i = 0; i < ARRAY_SIZE(sun50i_a100_pll_video_regs); i++) { 1222 val = readl(reg + sun50i_a100_pll_video_regs[i]); 1223 val &= ~BIT(0); 1224 writel(val, reg + sun50i_a100_pll_video_regs[i]); 1225 } 1226 1227 /* 1228 * Enforce m1 = 0, m0 = 1 for Audio PLL 1229 * 1230 * See the comment before pll-audio definition for the reason. 1231 */ 1232 val = readl(reg + SUN50I_A100_PLL_AUDIO_REG); 1233 val &= ~BIT(1); 1234 val |= BIT(0); 1235 writel(val, reg + SUN50I_A100_PLL_AUDIO_REG); 1236 1237 /* 1238 * Force OHCI 12M clock sources to 00 (12MHz divided from 48MHz) 1239 * 1240 * This clock mux is still mysterious, and the code just enforces 1241 * it to have a valid clock parent. 1242 */ 1243 for (i = 0; i < ARRAY_SIZE(sun50i_a100_usb2_clk_regs); i++) { 1244 val = readl(reg + sun50i_a100_usb2_clk_regs[i]); 1245 val &= ~GENMASK(25, 24); 1246 writel(val, reg + sun50i_a100_usb2_clk_regs[i]); 1247 } 1248 1249 ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a100_ccu_desc); 1250 if (ret) 1251 return ret; 1252 1253 /* Gate then ungate PLL CPU after any rate changes */ 1254 ccu_pll_notifier_register(&sun50i_a100_pll_cpu_nb); 1255 1256 /* Reparent CPU during PLL CPU rate changes */ 1257 ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk, 1258 &sun50i_a100_cpu_nb); 1259 1260 return 0; 1261 } 1262 1263 static const struct of_device_id sun50i_a100_ccu_ids[] = { 1264 { .compatible = "allwinner,sun50i-a100-ccu" }, 1265 { } 1266 }; 1267 1268 static struct platform_driver sun50i_a100_ccu_driver = { 1269 .probe = sun50i_a100_ccu_probe, 1270 .driver = { 1271 .name = "sun50i-a100-ccu", 1272 .suppress_bind_attrs = true, 1273 .of_match_table = sun50i_a100_ccu_ids, 1274 }, 1275 }; 1276 module_platform_driver(sun50i_a100_ccu_driver); 1277 1278 MODULE_IMPORT_NS(SUNXI_CCU); 1279 MODULE_LICENSE("GPL"); 1280