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-sun8i-a23-a33.h" 25 26 static struct ccu_nkmp pll_cpux_clk = { 27 .enable = BIT(31), 28 .lock = BIT(28), 29 30 .n = _SUNXI_CCU_MULT(8, 5), 31 .k = _SUNXI_CCU_MULT(4, 2), 32 .m = _SUNXI_CCU_DIV(0, 2), 33 .p = _SUNXI_CCU_DIV_MAX(16, 2, 4), 34 35 .common = { 36 .reg = 0x000, 37 .hw.init = CLK_HW_INIT("pll-cpux", "osc24M", 38 &ccu_nkmp_ops, 39 0), 40 }, 41 }; 42 43 /* 44 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from 45 * the base (2x, 4x and 8x), and one variable divider (the one true 46 * pll audio). 47 * 48 * With sigma-delta modulation for fractional-N on the audio PLL, 49 * we have to use specific dividers. This means the variable divider 50 * can no longer be used, as the audio codec requests the exact clock 51 * rates we support through this mechanism. So we now hard code the 52 * variable divider to 1. This means the clock rates will no longer 53 * match the clock names. 54 */ 55 #define SUN8I_A33_PLL_AUDIO_REG 0x008 56 57 static struct ccu_sdm_setting pll_audio_sdm_table[] = { 58 { .rate = 22579200, .pattern = 0xc0010d84, .m = 8, .n = 7 }, 59 { .rate = 24576000, .pattern = 0xc000ac02, .m = 14, .n = 14 }, 60 }; 61 62 static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base", 63 "osc24M", 0x008, 64 8, 7, /* N */ 65 0, 5, /* M */ 66 pll_audio_sdm_table, BIT(24), 67 0x284, BIT(31), 68 BIT(31), /* gate */ 69 BIT(28), /* lock */ 70 CLK_SET_RATE_UNGATE); 71 72 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video", 73 "osc24M", 0x010, 74 8, 7, /* N */ 75 0, 4, /* M */ 76 BIT(24), /* frac enable */ 77 BIT(25), /* frac select */ 78 270000000, /* frac rate 0 */ 79 297000000, /* frac rate 1 */ 80 BIT(31), /* gate */ 81 BIT(28), /* lock */ 82 CLK_SET_RATE_UNGATE); 83 84 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve", 85 "osc24M", 0x018, 86 8, 7, /* N */ 87 0, 4, /* M */ 88 BIT(24), /* frac enable */ 89 BIT(25), /* frac select */ 90 270000000, /* frac rate 0 */ 91 297000000, /* frac rate 1 */ 92 BIT(31), /* gate */ 93 BIT(28), /* lock */ 94 CLK_SET_RATE_UNGATE); 95 96 static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0", 97 "osc24M", 0x020, 98 8, 5, /* N */ 99 4, 2, /* K */ 100 0, 2, /* M */ 101 BIT(31), /* gate */ 102 BIT(28), /* lock */ 103 0); 104 105 static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph_clk, "pll-periph", 106 "osc24M", 0x028, 107 8, 5, /* N */ 108 4, 2, /* K */ 109 BIT(31), /* gate */ 110 BIT(28), /* lock */ 111 2, /* post-div */ 112 CLK_SET_RATE_UNGATE); 113 114 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu", 115 "osc24M", 0x038, 116 8, 7, /* N */ 117 0, 4, /* M */ 118 BIT(24), /* frac enable */ 119 BIT(25), /* frac select */ 120 270000000, /* frac rate 0 */ 121 297000000, /* frac rate 1 */ 122 BIT(31), /* gate */ 123 BIT(28), /* lock */ 124 CLK_SET_RATE_UNGATE); 125 126 /* 127 * The MIPI PLL has 2 modes: "MIPI" and "HDMI". 128 * 129 * The MIPI mode is a standard NKM-style clock. The HDMI mode is an 130 * integer / fractional clock with switchable multipliers and dividers. 131 * This is not supported here. We hardcode the PLL to MIPI mode. 132 */ 133 #define SUN8I_A33_PLL_MIPI_REG 0x040 134 static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi", 135 "pll-video", 0x040, 136 8, 4, /* N */ 137 4, 2, /* K */ 138 0, 4, /* M */ 139 BIT(31) | BIT(23) | BIT(22), /* gate */ 140 BIT(28), /* lock */ 141 CLK_SET_RATE_UNGATE); 142 143 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic", 144 "osc24M", 0x044, 145 8, 7, /* N */ 146 0, 4, /* M */ 147 BIT(24), /* frac enable */ 148 BIT(25), /* frac select */ 149 270000000, /* frac rate 0 */ 150 297000000, /* frac rate 1 */ 151 BIT(31), /* gate */ 152 BIT(28), /* lock */ 153 CLK_SET_RATE_UNGATE); 154 155 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de", 156 "osc24M", 0x048, 157 8, 7, /* N */ 158 0, 4, /* M */ 159 BIT(24), /* frac enable */ 160 BIT(25), /* frac select */ 161 270000000, /* frac rate 0 */ 162 297000000, /* frac rate 1 */ 163 BIT(31), /* gate */ 164 BIT(28), /* lock */ 165 CLK_SET_RATE_UNGATE); 166 167 static struct ccu_mult pll_ddr1_clk = { 168 .enable = BIT(31), 169 .lock = BIT(28), 170 .mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 6, 0, 12, 0), 171 .common = { 172 .reg = 0x04c, 173 .hw.init = CLK_HW_INIT("pll-ddr1", "osc24M", 174 &ccu_mult_ops, 175 CLK_SET_RATE_UNGATE), 176 }, 177 }; 178 179 static const char * const cpux_parents[] = { "osc32k", "osc24M", 180 "pll-cpux" , "pll-cpux" }; 181 static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents, 182 0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT); 183 184 static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0); 185 186 static const char * const ahb1_parents[] = { "osc32k", "osc24M", 187 "axi" , "pll-periph" }; 188 static const struct ccu_mux_var_prediv ahb1_predivs[] = { 189 { .index = 3, .shift = 6, .width = 2 }, 190 }; 191 static struct ccu_div ahb1_clk = { 192 .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO), 193 194 .mux = { 195 .shift = 12, 196 .width = 2, 197 198 .var_predivs = ahb1_predivs, 199 .n_var_predivs = ARRAY_SIZE(ahb1_predivs), 200 }, 201 202 .common = { 203 .reg = 0x054, 204 .features = CCU_FEATURE_VARIABLE_PREDIV, 205 .hw.init = CLK_HW_INIT_PARENTS("ahb1", 206 ahb1_parents, 207 &ccu_div_ops, 208 0), 209 }, 210 }; 211 212 static struct clk_div_table apb1_div_table[] = { 213 { .val = 0, .div = 2 }, 214 { .val = 1, .div = 2 }, 215 { .val = 2, .div = 4 }, 216 { .val = 3, .div = 8 }, 217 { /* Sentinel */ }, 218 }; 219 static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1", 220 0x054, 8, 2, apb1_div_table, 0); 221 222 static const char * const apb2_parents[] = { "osc32k", "osc24M", 223 "pll-periph" , "pll-periph" }; 224 static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058, 225 0, 5, /* M */ 226 16, 2, /* P */ 227 24, 2, /* mux */ 228 0); 229 230 static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1", 231 0x060, BIT(1), 0); 232 static SUNXI_CCU_GATE(bus_ss_clk, "bus-ss", "ahb1", 233 0x060, BIT(5), 0); 234 static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1", 235 0x060, BIT(6), 0); 236 static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1", 237 0x060, BIT(8), 0); 238 static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1", 239 0x060, BIT(9), 0); 240 static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1", 241 0x060, BIT(10), 0); 242 static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1", 243 0x060, BIT(13), 0); 244 static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1", 245 0x060, BIT(14), 0); 246 static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1", 247 0x060, BIT(19), 0); 248 static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1", 249 0x060, BIT(20), 0); 250 static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1", 251 0x060, BIT(21), 0); 252 static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1", 253 0x060, BIT(24), 0); 254 static SUNXI_CCU_GATE(bus_ehci_clk, "bus-ehci", "ahb1", 255 0x060, BIT(26), 0); 256 static SUNXI_CCU_GATE(bus_ohci_clk, "bus-ohci", "ahb1", 257 0x060, BIT(29), 0); 258 259 static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1", 260 0x064, BIT(0), 0); 261 static SUNXI_CCU_GATE(bus_lcd_clk, "bus-lcd", "ahb1", 262 0x064, BIT(4), 0); 263 static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1", 264 0x064, BIT(8), 0); 265 static SUNXI_CCU_GATE(bus_de_be_clk, "bus-de-be", "ahb1", 266 0x064, BIT(12), 0); 267 static SUNXI_CCU_GATE(bus_de_fe_clk, "bus-de-fe", "ahb1", 268 0x064, BIT(14), 0); 269 static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1", 270 0x064, BIT(20), 0); 271 static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1", 272 0x064, BIT(21), 0); 273 static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1", 274 0x064, BIT(22), 0); 275 static SUNXI_CCU_GATE(bus_drc_clk, "bus-drc", "ahb1", 276 0x064, BIT(25), 0); 277 static SUNXI_CCU_GATE(bus_sat_clk, "bus-sat", "ahb1", 278 0x064, BIT(26), 0); 279 280 static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1", 281 0x068, BIT(0), 0); 282 static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1", 283 0x068, BIT(5), 0); 284 static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1", 285 0x068, BIT(12), 0); 286 static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1", 287 0x068, BIT(13), 0); 288 289 static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", 290 0x06c, BIT(0), 0); 291 static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", 292 0x06c, BIT(1), 0); 293 static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2", 294 0x06c, BIT(2), 0); 295 static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", 296 0x06c, BIT(16), 0); 297 static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", 298 0x06c, BIT(17), 0); 299 static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2", 300 0x06c, BIT(18), 0); 301 static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2", 302 0x06c, BIT(19), 0); 303 static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2", 304 0x06c, BIT(20), 0); 305 306 static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" }; 307 static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080, 308 0, 4, /* M */ 309 16, 2, /* P */ 310 24, 2, /* mux */ 311 BIT(31), /* gate */ 312 0); 313 314 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088, 315 0, 4, /* M */ 316 16, 2, /* P */ 317 24, 2, /* mux */ 318 BIT(31), /* gate */ 319 0); 320 321 static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0", 322 0x088, 20, 3, 0); 323 static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0", 324 0x088, 8, 3, 0); 325 326 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c, 327 0, 4, /* M */ 328 16, 2, /* P */ 329 24, 2, /* mux */ 330 BIT(31), /* gate */ 331 0); 332 333 static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1", 334 0x08c, 20, 3, 0); 335 static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1", 336 0x08c, 8, 3, 0); 337 338 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090, 339 0, 4, /* M */ 340 16, 2, /* P */ 341 24, 2, /* mux */ 342 BIT(31), /* gate */ 343 0); 344 345 static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2", 346 0x090, 20, 3, 0); 347 static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2", 348 0x090, 8, 3, 0); 349 350 static SUNXI_CCU_MP_WITH_MUX_GATE(ss_clk, "ss", mod0_default_parents, 0x09c, 351 0, 4, /* M */ 352 16, 2, /* P */ 353 24, 2, /* mux */ 354 BIT(31), /* gate */ 355 0); 356 357 static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0, 358 0, 4, /* M */ 359 16, 2, /* P */ 360 24, 2, /* mux */ 361 BIT(31), /* gate */ 362 0); 363 364 static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4, 365 0, 4, /* M */ 366 16, 2, /* P */ 367 24, 2, /* mux */ 368 BIT(31), /* gate */ 369 0); 370 371 static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x", 372 "pll-audio-2x", "pll-audio" }; 373 static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents, 374 0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT); 375 376 static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents, 377 0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT); 378 379 /* TODO: the parent for most of the USB clocks is not known */ 380 static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M", 381 0x0cc, BIT(8), 0); 382 static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M", 383 0x0cc, BIT(9), 0); 384 static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic", 385 0x0cc, BIT(10), 0); 386 static SUNXI_CCU_GATE(usb_hsic_12M_clk, "usb-hsic-12M", "osc24M", 387 0x0cc, BIT(11), 0); 388 static SUNXI_CCU_GATE(usb_ohci_clk, "usb-ohci", "osc24M", 389 0x0cc, BIT(16), 0); 390 391 static SUNXI_CCU_M(dram_clk, "dram", "pll-ddr", 392 0x0f4, 0, 4, CLK_IS_CRITICAL); 393 394 static const char * const pll_ddr_parents[] = { "pll-ddr0", "pll-ddr1" }; 395 static SUNXI_CCU_MUX(pll_ddr_clk, "pll-ddr", pll_ddr_parents, 396 0x0f8, 16, 1, 0); 397 398 static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram", 399 0x100, BIT(0), 0); 400 static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "dram", 401 0x100, BIT(1), 0); 402 static SUNXI_CCU_GATE(dram_drc_clk, "dram-drc", "dram", 403 0x100, BIT(16), 0); 404 static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe", "dram", 405 0x100, BIT(24), 0); 406 static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be", "dram", 407 0x100, BIT(26), 0); 408 409 static const char * const de_parents[] = { "pll-video", "pll-periph-2x", 410 "pll-gpu", "pll-de" }; 411 static const u8 de_table[] = { 0, 2, 3, 5 }; 412 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be", 413 de_parents, de_table, 414 0x104, 0, 4, 24, 3, BIT(31), 0); 415 416 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe", 417 de_parents, de_table, 418 0x10c, 0, 4, 24, 3, BIT(31), 0); 419 420 static const char * const lcd_ch0_parents[] = { "pll-video", "pll-video-2x", 421 "pll-mipi" }; 422 static const u8 lcd_ch0_table[] = { 0, 2, 4 }; 423 static SUNXI_CCU_MUX_TABLE_WITH_GATE(lcd_ch0_clk, "lcd-ch0", 424 lcd_ch0_parents, lcd_ch0_table, 425 0x118, 24, 3, BIT(31), 426 CLK_SET_RATE_PARENT); 427 428 static const char * const lcd_ch1_parents[] = { "pll-video", "pll-video-2x" }; 429 static const u8 lcd_ch1_table[] = { 0, 2 }; 430 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd_ch1_clk, "lcd-ch1", 431 lcd_ch1_parents, lcd_ch1_table, 432 0x12c, 0, 4, 24, 2, BIT(31), 0); 433 434 static const char * const csi_sclk_parents[] = { "pll-video", "pll-de", 435 "pll-mipi", "pll-ve" }; 436 static const u8 csi_sclk_table[] = { 0, 3, 4, 5 }; 437 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk", 438 csi_sclk_parents, csi_sclk_table, 439 0x134, 16, 4, 24, 3, BIT(31), 0); 440 441 static const char * const csi_mclk_parents[] = { "pll-video", "pll-de", 442 "osc24M" }; 443 static const u8 csi_mclk_table[] = { 0, 3, 5 }; 444 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk", 445 csi_mclk_parents, csi_mclk_table, 446 0x134, 0, 5, 8, 3, BIT(15), 0); 447 448 static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve", 449 0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT); 450 451 static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio", 452 0x140, BIT(31), CLK_SET_RATE_PARENT); 453 static SUNXI_CCU_GATE(ac_dig_4x_clk, "ac-dig-4x", "pll-audio-4x", 454 0x140, BIT(30), CLK_SET_RATE_PARENT); 455 static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 456 0x144, BIT(31), 0); 457 458 static const char * const mbus_parents[] = { "osc24M", "pll-periph-2x", 459 "pll-ddr0", "pll-ddr1" }; 460 static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 461 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL); 462 463 static const char * const dsi_sclk_parents[] = { "pll-video", "pll-video-2x" }; 464 static const u8 dsi_sclk_table[] = { 0, 2 }; 465 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_sclk_clk, "dsi-sclk", 466 dsi_sclk_parents, dsi_sclk_table, 467 0x168, 16, 4, 24, 2, BIT(31), 0); 468 469 static const char * const dsi_dphy_parents[] = { "pll-video", "pll-periph" }; 470 static const u8 dsi_dphy_table[] = { 0, 2 }; 471 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy", 472 dsi_dphy_parents, dsi_dphy_table, 473 0x168, 0, 4, 8, 2, BIT(15), 0); 474 475 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk, "drc", 476 de_parents, de_table, 477 0x180, 0, 4, 24, 3, BIT(31), 0); 478 479 static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu", 480 0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT); 481 482 static const char * const ats_parents[] = { "osc24M", "pll-periph" }; 483 static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", ats_parents, 484 0x1b0, 0, 3, 24, 2, BIT(31), 0); 485 486 static struct ccu_common *sun8i_a33_ccu_clks[] = { 487 &pll_cpux_clk.common, 488 &pll_audio_base_clk.common, 489 &pll_video_clk.common, 490 &pll_ve_clk.common, 491 &pll_ddr0_clk.common, 492 &pll_periph_clk.common, 493 &pll_gpu_clk.common, 494 &pll_mipi_clk.common, 495 &pll_hsic_clk.common, 496 &pll_de_clk.common, 497 &pll_ddr1_clk.common, 498 &pll_ddr_clk.common, 499 &cpux_clk.common, 500 &axi_clk.common, 501 &ahb1_clk.common, 502 &apb1_clk.common, 503 &apb2_clk.common, 504 &bus_mipi_dsi_clk.common, 505 &bus_ss_clk.common, 506 &bus_dma_clk.common, 507 &bus_mmc0_clk.common, 508 &bus_mmc1_clk.common, 509 &bus_mmc2_clk.common, 510 &bus_nand_clk.common, 511 &bus_dram_clk.common, 512 &bus_hstimer_clk.common, 513 &bus_spi0_clk.common, 514 &bus_spi1_clk.common, 515 &bus_otg_clk.common, 516 &bus_ehci_clk.common, 517 &bus_ohci_clk.common, 518 &bus_ve_clk.common, 519 &bus_lcd_clk.common, 520 &bus_csi_clk.common, 521 &bus_de_fe_clk.common, 522 &bus_de_be_clk.common, 523 &bus_gpu_clk.common, 524 &bus_msgbox_clk.common, 525 &bus_spinlock_clk.common, 526 &bus_drc_clk.common, 527 &bus_sat_clk.common, 528 &bus_codec_clk.common, 529 &bus_pio_clk.common, 530 &bus_i2s0_clk.common, 531 &bus_i2s1_clk.common, 532 &bus_i2c0_clk.common, 533 &bus_i2c1_clk.common, 534 &bus_i2c2_clk.common, 535 &bus_uart0_clk.common, 536 &bus_uart1_clk.common, 537 &bus_uart2_clk.common, 538 &bus_uart3_clk.common, 539 &bus_uart4_clk.common, 540 &nand_clk.common, 541 &mmc0_clk.common, 542 &mmc0_sample_clk.common, 543 &mmc0_output_clk.common, 544 &mmc1_clk.common, 545 &mmc1_sample_clk.common, 546 &mmc1_output_clk.common, 547 &mmc2_clk.common, 548 &mmc2_sample_clk.common, 549 &mmc2_output_clk.common, 550 &ss_clk.common, 551 &spi0_clk.common, 552 &spi1_clk.common, 553 &i2s0_clk.common, 554 &i2s1_clk.common, 555 &usb_phy0_clk.common, 556 &usb_phy1_clk.common, 557 &usb_hsic_clk.common, 558 &usb_hsic_12M_clk.common, 559 &usb_ohci_clk.common, 560 &dram_clk.common, 561 &dram_ve_clk.common, 562 &dram_csi_clk.common, 563 &dram_drc_clk.common, 564 &dram_de_fe_clk.common, 565 &dram_de_be_clk.common, 566 &de_be_clk.common, 567 &de_fe_clk.common, 568 &lcd_ch0_clk.common, 569 &lcd_ch1_clk.common, 570 &csi_sclk_clk.common, 571 &csi_mclk_clk.common, 572 &ve_clk.common, 573 &ac_dig_clk.common, 574 &ac_dig_4x_clk.common, 575 &avs_clk.common, 576 &mbus_clk.common, 577 &dsi_sclk_clk.common, 578 &dsi_dphy_clk.common, 579 &drc_clk.common, 580 &gpu_clk.common, 581 &ats_clk.common, 582 }; 583 584 static const struct clk_hw *clk_parent_pll_audio[] = { 585 &pll_audio_base_clk.common.hw 586 }; 587 588 /* We hardcode the divider to 1 for now */ 589 static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio", 590 clk_parent_pll_audio, 591 1, 1, CLK_SET_RATE_PARENT); 592 static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x", 593 clk_parent_pll_audio, 594 2, 1, CLK_SET_RATE_PARENT); 595 static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x", 596 clk_parent_pll_audio, 597 1, 1, CLK_SET_RATE_PARENT); 598 static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x", 599 clk_parent_pll_audio, 600 1, 2, CLK_SET_RATE_PARENT); 601 static CLK_FIXED_FACTOR_HW(pll_periph_2x_clk, "pll-periph-2x", 602 &pll_periph_clk.common.hw, 603 1, 2, 0); 604 static CLK_FIXED_FACTOR_HW(pll_video_2x_clk, "pll-video-2x", 605 &pll_video_clk.common.hw, 606 1, 2, 0); 607 608 static struct clk_hw_onecell_data sun8i_a33_hw_clks = { 609 .hws = { 610 [CLK_PLL_CPUX] = &pll_cpux_clk.common.hw, 611 [CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw, 612 [CLK_PLL_AUDIO] = &pll_audio_clk.hw, 613 [CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw, 614 [CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw, 615 [CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw, 616 [CLK_PLL_VIDEO] = &pll_video_clk.common.hw, 617 [CLK_PLL_VIDEO_2X] = &pll_video_2x_clk.hw, 618 [CLK_PLL_VE] = &pll_ve_clk.common.hw, 619 [CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw, 620 [CLK_PLL_PERIPH] = &pll_periph_clk.common.hw, 621 [CLK_PLL_PERIPH_2X] = &pll_periph_2x_clk.hw, 622 [CLK_PLL_GPU] = &pll_gpu_clk.common.hw, 623 [CLK_PLL_MIPI] = &pll_mipi_clk.common.hw, 624 [CLK_PLL_HSIC] = &pll_hsic_clk.common.hw, 625 [CLK_PLL_DE] = &pll_de_clk.common.hw, 626 [CLK_PLL_DDR1] = &pll_ddr1_clk.common.hw, 627 [CLK_PLL_DDR] = &pll_ddr_clk.common.hw, 628 [CLK_CPUX] = &cpux_clk.common.hw, 629 [CLK_AXI] = &axi_clk.common.hw, 630 [CLK_AHB1] = &ahb1_clk.common.hw, 631 [CLK_APB1] = &apb1_clk.common.hw, 632 [CLK_APB2] = &apb2_clk.common.hw, 633 [CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw, 634 [CLK_BUS_SS] = &bus_ss_clk.common.hw, 635 [CLK_BUS_DMA] = &bus_dma_clk.common.hw, 636 [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw, 637 [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw, 638 [CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw, 639 [CLK_BUS_NAND] = &bus_nand_clk.common.hw, 640 [CLK_BUS_DRAM] = &bus_dram_clk.common.hw, 641 [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw, 642 [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw, 643 [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw, 644 [CLK_BUS_OTG] = &bus_otg_clk.common.hw, 645 [CLK_BUS_EHCI] = &bus_ehci_clk.common.hw, 646 [CLK_BUS_OHCI] = &bus_ohci_clk.common.hw, 647 [CLK_BUS_VE] = &bus_ve_clk.common.hw, 648 [CLK_BUS_LCD] = &bus_lcd_clk.common.hw, 649 [CLK_BUS_CSI] = &bus_csi_clk.common.hw, 650 [CLK_BUS_DE_BE] = &bus_de_be_clk.common.hw, 651 [CLK_BUS_DE_FE] = &bus_de_fe_clk.common.hw, 652 [CLK_BUS_GPU] = &bus_gpu_clk.common.hw, 653 [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw, 654 [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw, 655 [CLK_BUS_DRC] = &bus_drc_clk.common.hw, 656 [CLK_BUS_SAT] = &bus_sat_clk.common.hw, 657 [CLK_BUS_CODEC] = &bus_codec_clk.common.hw, 658 [CLK_BUS_PIO] = &bus_pio_clk.common.hw, 659 [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw, 660 [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw, 661 [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw, 662 [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw, 663 [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw, 664 [CLK_BUS_UART0] = &bus_uart0_clk.common.hw, 665 [CLK_BUS_UART1] = &bus_uart1_clk.common.hw, 666 [CLK_BUS_UART2] = &bus_uart2_clk.common.hw, 667 [CLK_BUS_UART3] = &bus_uart3_clk.common.hw, 668 [CLK_BUS_UART4] = &bus_uart4_clk.common.hw, 669 [CLK_NAND] = &nand_clk.common.hw, 670 [CLK_MMC0] = &mmc0_clk.common.hw, 671 [CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw, 672 [CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw, 673 [CLK_MMC1] = &mmc1_clk.common.hw, 674 [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw, 675 [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw, 676 [CLK_MMC2] = &mmc2_clk.common.hw, 677 [CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw, 678 [CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw, 679 [CLK_SS] = &ss_clk.common.hw, 680 [CLK_SPI0] = &spi0_clk.common.hw, 681 [CLK_SPI1] = &spi1_clk.common.hw, 682 [CLK_I2S0] = &i2s0_clk.common.hw, 683 [CLK_I2S1] = &i2s1_clk.common.hw, 684 [CLK_USB_PHY0] = &usb_phy0_clk.common.hw, 685 [CLK_USB_PHY1] = &usb_phy1_clk.common.hw, 686 [CLK_USB_HSIC] = &usb_hsic_clk.common.hw, 687 [CLK_USB_HSIC_12M] = &usb_hsic_12M_clk.common.hw, 688 [CLK_USB_OHCI] = &usb_ohci_clk.common.hw, 689 [CLK_DRAM] = &dram_clk.common.hw, 690 [CLK_DRAM_VE] = &dram_ve_clk.common.hw, 691 [CLK_DRAM_CSI] = &dram_csi_clk.common.hw, 692 [CLK_DRAM_DRC] = &dram_drc_clk.common.hw, 693 [CLK_DRAM_DE_FE] = &dram_de_fe_clk.common.hw, 694 [CLK_DRAM_DE_BE] = &dram_de_be_clk.common.hw, 695 [CLK_DE_BE] = &de_be_clk.common.hw, 696 [CLK_DE_FE] = &de_fe_clk.common.hw, 697 [CLK_LCD_CH0] = &lcd_ch0_clk.common.hw, 698 [CLK_LCD_CH1] = &lcd_ch1_clk.common.hw, 699 [CLK_CSI_SCLK] = &csi_sclk_clk.common.hw, 700 [CLK_CSI_MCLK] = &csi_mclk_clk.common.hw, 701 [CLK_VE] = &ve_clk.common.hw, 702 [CLK_AC_DIG] = &ac_dig_clk.common.hw, 703 [CLK_AC_DIG_4X] = &ac_dig_4x_clk.common.hw, 704 [CLK_AVS] = &avs_clk.common.hw, 705 [CLK_MBUS] = &mbus_clk.common.hw, 706 [CLK_DSI_SCLK] = &dsi_sclk_clk.common.hw, 707 [CLK_DSI_DPHY] = &dsi_dphy_clk.common.hw, 708 [CLK_DRC] = &drc_clk.common.hw, 709 [CLK_GPU] = &gpu_clk.common.hw, 710 [CLK_ATS] = &ats_clk.common.hw, 711 }, 712 .num = CLK_NUMBER, 713 }; 714 715 static struct ccu_reset_map sun8i_a33_ccu_resets[] = { 716 [RST_USB_PHY0] = { 0x0cc, BIT(0) }, 717 [RST_USB_PHY1] = { 0x0cc, BIT(1) }, 718 [RST_USB_HSIC] = { 0x0cc, BIT(2) }, 719 720 [RST_MBUS] = { 0x0fc, BIT(31) }, 721 722 [RST_BUS_MIPI_DSI] = { 0x2c0, BIT(1) }, 723 [RST_BUS_SS] = { 0x2c0, BIT(5) }, 724 [RST_BUS_DMA] = { 0x2c0, BIT(6) }, 725 [RST_BUS_MMC0] = { 0x2c0, BIT(8) }, 726 [RST_BUS_MMC1] = { 0x2c0, BIT(9) }, 727 [RST_BUS_MMC2] = { 0x2c0, BIT(10) }, 728 [RST_BUS_NAND] = { 0x2c0, BIT(13) }, 729 [RST_BUS_DRAM] = { 0x2c0, BIT(14) }, 730 [RST_BUS_HSTIMER] = { 0x2c0, BIT(19) }, 731 [RST_BUS_SPI0] = { 0x2c0, BIT(20) }, 732 [RST_BUS_SPI1] = { 0x2c0, BIT(21) }, 733 [RST_BUS_OTG] = { 0x2c0, BIT(24) }, 734 [RST_BUS_EHCI] = { 0x2c0, BIT(26) }, 735 [RST_BUS_OHCI] = { 0x2c0, BIT(29) }, 736 737 [RST_BUS_VE] = { 0x2c4, BIT(0) }, 738 [RST_BUS_LCD] = { 0x2c4, BIT(4) }, 739 [RST_BUS_CSI] = { 0x2c4, BIT(8) }, 740 [RST_BUS_DE_BE] = { 0x2c4, BIT(12) }, 741 [RST_BUS_DE_FE] = { 0x2c4, BIT(14) }, 742 [RST_BUS_GPU] = { 0x2c4, BIT(20) }, 743 [RST_BUS_MSGBOX] = { 0x2c4, BIT(21) }, 744 [RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) }, 745 [RST_BUS_DRC] = { 0x2c4, BIT(25) }, 746 [RST_BUS_SAT] = { 0x2c4, BIT(26) }, 747 748 [RST_BUS_LVDS] = { 0x2c8, BIT(0) }, 749 750 [RST_BUS_CODEC] = { 0x2d0, BIT(0) }, 751 [RST_BUS_I2S0] = { 0x2d0, BIT(12) }, 752 [RST_BUS_I2S1] = { 0x2d0, BIT(13) }, 753 754 [RST_BUS_I2C0] = { 0x2d8, BIT(0) }, 755 [RST_BUS_I2C1] = { 0x2d8, BIT(1) }, 756 [RST_BUS_I2C2] = { 0x2d8, BIT(2) }, 757 [RST_BUS_UART0] = { 0x2d8, BIT(16) }, 758 [RST_BUS_UART1] = { 0x2d8, BIT(17) }, 759 [RST_BUS_UART2] = { 0x2d8, BIT(18) }, 760 [RST_BUS_UART3] = { 0x2d8, BIT(19) }, 761 [RST_BUS_UART4] = { 0x2d8, BIT(20) }, 762 }; 763 764 static const struct sunxi_ccu_desc sun8i_a33_ccu_desc = { 765 .ccu_clks = sun8i_a33_ccu_clks, 766 .num_ccu_clks = ARRAY_SIZE(sun8i_a33_ccu_clks), 767 768 .hw_clks = &sun8i_a33_hw_clks, 769 770 .resets = sun8i_a33_ccu_resets, 771 .num_resets = ARRAY_SIZE(sun8i_a33_ccu_resets), 772 }; 773 774 static struct ccu_pll_nb sun8i_a33_pll_cpu_nb = { 775 .common = &pll_cpux_clk.common, 776 /* copy from pll_cpux_clk */ 777 .enable = BIT(31), 778 .lock = BIT(28), 779 }; 780 781 static struct ccu_mux_nb sun8i_a33_cpu_nb = { 782 .common = &cpux_clk.common, 783 .cm = &cpux_clk.mux, 784 .delay_us = 1, /* > 8 clock cycles at 24 MHz */ 785 .bypass_index = 1, /* index of 24 MHz oscillator */ 786 }; 787 788 static int sun8i_a33_ccu_probe(struct platform_device *pdev) 789 { 790 void __iomem *reg; 791 int ret; 792 u32 val; 793 794 reg = devm_platform_ioremap_resource(pdev, 0); 795 if (IS_ERR(reg)) 796 return PTR_ERR(reg); 797 798 /* Force the PLL-Audio-1x divider to 1 */ 799 val = readl(reg + SUN8I_A33_PLL_AUDIO_REG); 800 val &= ~GENMASK(19, 16); 801 writel(val | (0 << 16), reg + SUN8I_A33_PLL_AUDIO_REG); 802 803 /* Force PLL-MIPI to MIPI mode */ 804 val = readl(reg + SUN8I_A33_PLL_MIPI_REG); 805 val &= ~BIT(16); 806 writel(val, reg + SUN8I_A33_PLL_MIPI_REG); 807 808 ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun8i_a33_ccu_desc); 809 if (ret) 810 return ret; 811 812 /* Gate then ungate PLL CPU after any rate changes */ 813 ccu_pll_notifier_register(&sun8i_a33_pll_cpu_nb); 814 815 /* Reparent CPU during PLL CPU rate changes */ 816 ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk, 817 &sun8i_a33_cpu_nb); 818 819 return 0; 820 } 821 822 static const struct of_device_id sun8i_a33_ccu_ids[] = { 823 { .compatible = "allwinner,sun8i-a33-ccu" }, 824 { } 825 }; 826 827 static struct platform_driver sun8i_a33_ccu_driver = { 828 .probe = sun8i_a33_ccu_probe, 829 .driver = { 830 .name = "sun8i-a33-ccu", 831 .suppress_bind_attrs = true, 832 .of_match_table = sun8i_a33_ccu_ids, 833 }, 834 }; 835 module_platform_driver(sun8i_a33_ccu_driver); 836 837 MODULE_IMPORT_NS(SUNXI_CCU); 838 MODULE_LICENSE("GPL"); 839