1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2013 Samsung Electronics Co., Ltd. 4 * Author: Mateusz Krawczuk <m.krawczuk@partner.samsung.com> 5 * 6 * Based on clock drivers for S3C64xx and Exynos4 SoCs. 7 * 8 * Common Clock Framework support for all S5PC110/S5PV210 SoCs. 9 */ 10 11 #include <linux/clk-provider.h> 12 #include <linux/of.h> 13 #include <linux/of_address.h> 14 15 #include "clk.h" 16 #include "clk-pll.h" 17 18 #include <dt-bindings/clock/s5pv210.h> 19 20 /* S5PC110/S5PV210 clock controller register offsets */ 21 #define APLL_LOCK 0x0000 22 #define MPLL_LOCK 0x0008 23 #define EPLL_LOCK 0x0010 24 #define VPLL_LOCK 0x0020 25 #define APLL_CON0 0x0100 26 #define APLL_CON1 0x0104 27 #define MPLL_CON 0x0108 28 #define EPLL_CON0 0x0110 29 #define EPLL_CON1 0x0114 30 #define VPLL_CON 0x0120 31 #define CLK_SRC0 0x0200 32 #define CLK_SRC1 0x0204 33 #define CLK_SRC2 0x0208 34 #define CLK_SRC3 0x020c 35 #define CLK_SRC4 0x0210 36 #define CLK_SRC5 0x0214 37 #define CLK_SRC6 0x0218 38 #define CLK_SRC_MASK0 0x0280 39 #define CLK_SRC_MASK1 0x0284 40 #define CLK_DIV0 0x0300 41 #define CLK_DIV1 0x0304 42 #define CLK_DIV2 0x0308 43 #define CLK_DIV3 0x030c 44 #define CLK_DIV4 0x0310 45 #define CLK_DIV5 0x0314 46 #define CLK_DIV6 0x0318 47 #define CLK_DIV7 0x031c 48 #define CLK_GATE_MAIN0 0x0400 49 #define CLK_GATE_MAIN1 0x0404 50 #define CLK_GATE_MAIN2 0x0408 51 #define CLK_GATE_PERI0 0x0420 52 #define CLK_GATE_PERI1 0x0424 53 #define CLK_GATE_SCLK0 0x0440 54 #define CLK_GATE_SCLK1 0x0444 55 #define CLK_GATE_IP0 0x0460 56 #define CLK_GATE_IP1 0x0464 57 #define CLK_GATE_IP2 0x0468 58 #define CLK_GATE_IP3 0x046c 59 #define CLK_GATE_IP4 0x0470 60 #define CLK_GATE_BLOCK 0x0480 61 #define CLK_GATE_IP5 0x0484 62 #define CLK_OUT 0x0500 63 #define MISC 0xe000 64 #define OM_STAT 0xe100 65 66 /* IDs of PLLs available on S5PV210/S5P6442 SoCs */ 67 enum { 68 apll, 69 mpll, 70 epll, 71 vpll, 72 }; 73 74 /* IDs of external clocks (used for legacy boards) */ 75 enum { 76 xxti, 77 xusbxti, 78 }; 79 80 static void __iomem *reg_base; 81 82 /* List of registers that need to be preserved across suspend/resume. */ 83 static unsigned long s5pv210_clk_regs[] __initdata = { 84 CLK_SRC0, 85 CLK_SRC1, 86 CLK_SRC2, 87 CLK_SRC3, 88 CLK_SRC4, 89 CLK_SRC5, 90 CLK_SRC6, 91 CLK_SRC_MASK0, 92 CLK_SRC_MASK1, 93 CLK_DIV0, 94 CLK_DIV1, 95 CLK_DIV2, 96 CLK_DIV3, 97 CLK_DIV4, 98 CLK_DIV5, 99 CLK_DIV6, 100 CLK_DIV7, 101 CLK_GATE_MAIN0, 102 CLK_GATE_MAIN1, 103 CLK_GATE_MAIN2, 104 CLK_GATE_PERI0, 105 CLK_GATE_PERI1, 106 CLK_GATE_SCLK0, 107 CLK_GATE_SCLK1, 108 CLK_GATE_IP0, 109 CLK_GATE_IP1, 110 CLK_GATE_IP2, 111 CLK_GATE_IP3, 112 CLK_GATE_IP4, 113 CLK_GATE_IP5, 114 CLK_GATE_BLOCK, 115 APLL_LOCK, 116 MPLL_LOCK, 117 EPLL_LOCK, 118 VPLL_LOCK, 119 APLL_CON0, 120 APLL_CON1, 121 MPLL_CON, 122 EPLL_CON0, 123 EPLL_CON1, 124 VPLL_CON, 125 CLK_OUT, 126 }; 127 128 /* Mux parent lists. */ 129 static const char *const fin_pll_p[] __initconst = { 130 "xxti", 131 "xusbxti" 132 }; 133 134 static const char *const mout_apll_p[] __initconst = { 135 "fin_pll", 136 "fout_apll" 137 }; 138 139 static const char *const mout_mpll_p[] __initconst = { 140 "fin_pll", 141 "fout_mpll" 142 }; 143 144 static const char *const mout_epll_p[] __initconst = { 145 "fin_pll", 146 "fout_epll" 147 }; 148 149 static const char *const mout_vpllsrc_p[] __initconst = { 150 "fin_pll", 151 "sclk_hdmi27m" 152 }; 153 154 static const char *const mout_vpll_p[] __initconst = { 155 "mout_vpllsrc", 156 "fout_vpll" 157 }; 158 159 static const char *const mout_group1_p[] __initconst = { 160 "dout_a2m", 161 "mout_mpll", 162 "mout_epll", 163 "mout_vpll" 164 }; 165 166 static const char *const mout_group2_p[] __initconst = { 167 "xxti", 168 "xusbxti", 169 "sclk_hdmi27m", 170 "sclk_usbphy0", 171 "sclk_usbphy1", 172 "sclk_hdmiphy", 173 "mout_mpll", 174 "mout_epll", 175 "mout_vpll", 176 }; 177 178 static const char *const mout_audio0_p[] __initconst = { 179 "xxti", 180 "pcmcdclk0", 181 "sclk_hdmi27m", 182 "sclk_usbphy0", 183 "sclk_usbphy1", 184 "sclk_hdmiphy", 185 "mout_mpll", 186 "mout_epll", 187 "mout_vpll", 188 }; 189 190 static const char *const mout_audio1_p[] __initconst = { 191 "i2scdclk1", 192 "pcmcdclk1", 193 "sclk_hdmi27m", 194 "sclk_usbphy0", 195 "sclk_usbphy1", 196 "sclk_hdmiphy", 197 "mout_mpll", 198 "mout_epll", 199 "mout_vpll", 200 }; 201 202 static const char *const mout_audio2_p[] __initconst = { 203 "i2scdclk2", 204 "pcmcdclk2", 205 "sclk_hdmi27m", 206 "sclk_usbphy0", 207 "sclk_usbphy1", 208 "sclk_hdmiphy", 209 "mout_mpll", 210 "mout_epll", 211 "mout_vpll", 212 }; 213 214 static const char *const mout_spdif_p[] __initconst = { 215 "dout_audio0", 216 "dout_audio1", 217 "dout_audio3", 218 }; 219 220 static const char *const mout_group3_p[] __initconst = { 221 "mout_apll", 222 "mout_mpll" 223 }; 224 225 static const char *const mout_group4_p[] __initconst = { 226 "mout_mpll", 227 "dout_a2m" 228 }; 229 230 static const char *const mout_flash_p[] __initconst = { 231 "dout_hclkd", 232 "dout_hclkp" 233 }; 234 235 static const char *const mout_dac_p[] __initconst = { 236 "mout_vpll", 237 "sclk_hdmiphy" 238 }; 239 240 static const char *const mout_hdmi_p[] __initconst = { 241 "sclk_hdmiphy", 242 "dout_tblk" 243 }; 244 245 static const char *const mout_mixer_p[] __initconst = { 246 "mout_dac", 247 "mout_hdmi" 248 }; 249 250 static const char *const mout_vpll_6442_p[] __initconst = { 251 "fin_pll", 252 "fout_vpll" 253 }; 254 255 static const char *const mout_mixer_6442_p[] __initconst = { 256 "mout_vpll", 257 "dout_mixer" 258 }; 259 260 static const char *const mout_d0sync_6442_p[] __initconst = { 261 "mout_dsys", 262 "div_apll" 263 }; 264 265 static const char *const mout_d1sync_6442_p[] __initconst = { 266 "mout_psys", 267 "div_apll" 268 }; 269 270 static const char *const mout_group2_6442_p[] __initconst = { 271 "fin_pll", 272 "none", 273 "none", 274 "sclk_usbphy0", 275 "none", 276 "none", 277 "mout_mpll", 278 "mout_epll", 279 "mout_vpll", 280 }; 281 282 static const char *const mout_audio0_6442_p[] __initconst = { 283 "fin_pll", 284 "pcmcdclk0", 285 "none", 286 "sclk_usbphy0", 287 "none", 288 "none", 289 "mout_mpll", 290 "mout_epll", 291 "mout_vpll", 292 }; 293 294 static const char *const mout_audio1_6442_p[] __initconst = { 295 "i2scdclk1", 296 "pcmcdclk1", 297 "none", 298 "sclk_usbphy0", 299 "none", 300 "none", 301 "mout_mpll", 302 "mout_epll", 303 "mout_vpll", 304 "fin_pll", 305 }; 306 307 static const char *const mout_clksel_p[] __initconst = { 308 "fout_apll_clkout", 309 "fout_mpll_clkout", 310 "fout_epll", 311 "fout_vpll", 312 "sclk_usbphy0", 313 "sclk_usbphy1", 314 "sclk_hdmiphy", 315 "rtc", 316 "rtc_tick", 317 "dout_hclkm", 318 "dout_pclkm", 319 "dout_hclkd", 320 "dout_pclkd", 321 "dout_hclkp", 322 "dout_pclkp", 323 "dout_apll_clkout", 324 "dout_hpm", 325 "xxti", 326 "xusbxti", 327 "div_dclk" 328 }; 329 330 static const char *const mout_clksel_6442_p[] __initconst = { 331 "fout_apll_clkout", 332 "fout_mpll_clkout", 333 "fout_epll", 334 "fout_vpll", 335 "sclk_usbphy0", 336 "none", 337 "none", 338 "rtc", 339 "rtc_tick", 340 "none", 341 "none", 342 "dout_hclkd", 343 "dout_pclkd", 344 "dout_hclkp", 345 "dout_pclkp", 346 "dout_apll_clkout", 347 "none", 348 "fin_pll", 349 "none", 350 "div_dclk" 351 }; 352 353 static const char *const mout_clkout_p[] __initconst = { 354 "dout_clkout", 355 "none", 356 "xxti", 357 "xusbxti" 358 }; 359 360 /* Common fixed factor clocks. */ 361 static const struct samsung_fixed_factor_clock ffactor_clks[] __initconst = { 362 FFACTOR(FOUT_APLL_CLKOUT, "fout_apll_clkout", "fout_apll", 1, 4, 0), 363 FFACTOR(FOUT_MPLL_CLKOUT, "fout_mpll_clkout", "fout_mpll", 1, 2, 0), 364 FFACTOR(DOUT_APLL_CLKOUT, "dout_apll_clkout", "dout_apll", 1, 4, 0), 365 }; 366 367 /* PLL input mux (fin_pll), which needs to be registered before PLLs. */ 368 static const struct samsung_mux_clock early_mux_clks[] __initconst = { 369 MUX_F(FIN_PLL, "fin_pll", fin_pll_p, OM_STAT, 0, 1, 370 CLK_MUX_READ_ONLY, 0), 371 }; 372 373 /* Common clock muxes. */ 374 static const struct samsung_mux_clock mux_clks[] __initconst = { 375 MUX(MOUT_FLASH, "mout_flash", mout_flash_p, CLK_SRC0, 28, 1), 376 MUX(MOUT_PSYS, "mout_psys", mout_group4_p, CLK_SRC0, 24, 1), 377 MUX(MOUT_DSYS, "mout_dsys", mout_group4_p, CLK_SRC0, 20, 1), 378 MUX(MOUT_MSYS, "mout_msys", mout_group3_p, CLK_SRC0, 16, 1), 379 MUX(MOUT_EPLL, "mout_epll", mout_epll_p, CLK_SRC0, 8, 1), 380 MUX(MOUT_MPLL, "mout_mpll", mout_mpll_p, CLK_SRC0, 4, 1), 381 MUX(MOUT_APLL, "mout_apll", mout_apll_p, CLK_SRC0, 0, 1), 382 383 MUX(MOUT_CLKOUT, "mout_clkout", mout_clkout_p, MISC, 8, 2), 384 }; 385 386 /* S5PV210-specific clock muxes. */ 387 static const struct samsung_mux_clock s5pv210_mux_clks[] __initconst = { 388 MUX(MOUT_VPLL, "mout_vpll", mout_vpll_p, CLK_SRC0, 12, 1), 389 390 MUX(MOUT_VPLLSRC, "mout_vpllsrc", mout_vpllsrc_p, CLK_SRC1, 28, 1), 391 MUX(MOUT_CSIS, "mout_csis", mout_group2_p, CLK_SRC1, 24, 4), 392 MUX(MOUT_FIMD, "mout_fimd", mout_group2_p, CLK_SRC1, 20, 4), 393 MUX(MOUT_CAM1, "mout_cam1", mout_group2_p, CLK_SRC1, 16, 4), 394 MUX(MOUT_CAM0, "mout_cam0", mout_group2_p, CLK_SRC1, 12, 4), 395 MUX(MOUT_DAC, "mout_dac", mout_dac_p, CLK_SRC1, 8, 1), 396 MUX(MOUT_MIXER, "mout_mixer", mout_mixer_p, CLK_SRC1, 4, 1), 397 MUX(MOUT_HDMI, "mout_hdmi", mout_hdmi_p, CLK_SRC1, 0, 1), 398 399 MUX(MOUT_G2D, "mout_g2d", mout_group1_p, CLK_SRC2, 8, 2), 400 MUX(MOUT_MFC, "mout_mfc", mout_group1_p, CLK_SRC2, 4, 2), 401 MUX(MOUT_G3D, "mout_g3d", mout_group1_p, CLK_SRC2, 0, 2), 402 403 MUX(MOUT_FIMC2, "mout_fimc2", mout_group2_p, CLK_SRC3, 20, 4), 404 MUX(MOUT_FIMC1, "mout_fimc1", mout_group2_p, CLK_SRC3, 16, 4), 405 MUX(MOUT_FIMC0, "mout_fimc0", mout_group2_p, CLK_SRC3, 12, 4), 406 407 MUX(MOUT_UART3, "mout_uart3", mout_group2_p, CLK_SRC4, 28, 4), 408 MUX(MOUT_UART2, "mout_uart2", mout_group2_p, CLK_SRC4, 24, 4), 409 MUX(MOUT_UART1, "mout_uart1", mout_group2_p, CLK_SRC4, 20, 4), 410 MUX(MOUT_UART0, "mout_uart0", mout_group2_p, CLK_SRC4, 16, 4), 411 MUX(MOUT_MMC3, "mout_mmc3", mout_group2_p, CLK_SRC4, 12, 4), 412 MUX(MOUT_MMC2, "mout_mmc2", mout_group2_p, CLK_SRC4, 8, 4), 413 MUX(MOUT_MMC1, "mout_mmc1", mout_group2_p, CLK_SRC4, 4, 4), 414 MUX(MOUT_MMC0, "mout_mmc0", mout_group2_p, CLK_SRC4, 0, 4), 415 416 MUX(MOUT_PWM, "mout_pwm", mout_group2_p, CLK_SRC5, 12, 4), 417 MUX(MOUT_SPI1, "mout_spi1", mout_group2_p, CLK_SRC5, 4, 4), 418 MUX(MOUT_SPI0, "mout_spi0", mout_group2_p, CLK_SRC5, 0, 4), 419 420 MUX(MOUT_DMC0, "mout_dmc0", mout_group1_p, CLK_SRC6, 24, 2), 421 MUX(MOUT_PWI, "mout_pwi", mout_group2_p, CLK_SRC6, 20, 4), 422 MUX(MOUT_HPM, "mout_hpm", mout_group3_p, CLK_SRC6, 16, 1), 423 MUX(MOUT_SPDIF, "mout_spdif", mout_spdif_p, CLK_SRC6, 12, 2), 424 MUX(MOUT_AUDIO2, "mout_audio2", mout_audio2_p, CLK_SRC6, 8, 4), 425 MUX(MOUT_AUDIO1, "mout_audio1", mout_audio1_p, CLK_SRC6, 4, 4), 426 MUX(MOUT_AUDIO0, "mout_audio0", mout_audio0_p, CLK_SRC6, 0, 4), 427 428 MUX(MOUT_CLKSEL, "mout_clksel", mout_clksel_p, CLK_OUT, 12, 5), 429 }; 430 431 /* S5P6442-specific clock muxes. */ 432 static const struct samsung_mux_clock s5p6442_mux_clks[] __initconst = { 433 MUX(MOUT_VPLL, "mout_vpll", mout_vpll_6442_p, CLK_SRC0, 12, 1), 434 435 MUX(MOUT_FIMD, "mout_fimd", mout_group2_6442_p, CLK_SRC1, 20, 4), 436 MUX(MOUT_CAM1, "mout_cam1", mout_group2_6442_p, CLK_SRC1, 16, 4), 437 MUX(MOUT_CAM0, "mout_cam0", mout_group2_6442_p, CLK_SRC1, 12, 4), 438 MUX(MOUT_MIXER, "mout_mixer", mout_mixer_6442_p, CLK_SRC1, 4, 1), 439 440 MUX(MOUT_D0SYNC, "mout_d0sync", mout_d0sync_6442_p, CLK_SRC2, 28, 1), 441 MUX(MOUT_D1SYNC, "mout_d1sync", mout_d1sync_6442_p, CLK_SRC2, 24, 1), 442 443 MUX(MOUT_FIMC2, "mout_fimc2", mout_group2_6442_p, CLK_SRC3, 20, 4), 444 MUX(MOUT_FIMC1, "mout_fimc1", mout_group2_6442_p, CLK_SRC3, 16, 4), 445 MUX(MOUT_FIMC0, "mout_fimc0", mout_group2_6442_p, CLK_SRC3, 12, 4), 446 447 MUX(MOUT_UART2, "mout_uart2", mout_group2_6442_p, CLK_SRC4, 24, 4), 448 MUX(MOUT_UART1, "mout_uart1", mout_group2_6442_p, CLK_SRC4, 20, 4), 449 MUX(MOUT_UART0, "mout_uart0", mout_group2_6442_p, CLK_SRC4, 16, 4), 450 MUX(MOUT_MMC2, "mout_mmc2", mout_group2_6442_p, CLK_SRC4, 8, 4), 451 MUX(MOUT_MMC1, "mout_mmc1", mout_group2_6442_p, CLK_SRC4, 4, 4), 452 MUX(MOUT_MMC0, "mout_mmc0", mout_group2_6442_p, CLK_SRC4, 0, 4), 453 454 MUX(MOUT_PWM, "mout_pwm", mout_group2_6442_p, CLK_SRC5, 12, 4), 455 MUX(MOUT_SPI0, "mout_spi0", mout_group2_6442_p, CLK_SRC5, 0, 4), 456 457 MUX(MOUT_AUDIO1, "mout_audio1", mout_audio1_6442_p, CLK_SRC6, 4, 4), 458 MUX(MOUT_AUDIO0, "mout_audio0", mout_audio0_6442_p, CLK_SRC6, 0, 4), 459 460 MUX(MOUT_CLKSEL, "mout_clksel", mout_clksel_6442_p, CLK_OUT, 12, 5), 461 }; 462 463 /* S5PV210-specific fixed rate clocks generated inside the SoC. */ 464 static const struct samsung_fixed_rate_clock s5pv210_frate_clks[] __initconst = { 465 FRATE(SCLK_HDMI27M, "sclk_hdmi27m", NULL, 0, 27000000), 466 FRATE(SCLK_HDMIPHY, "sclk_hdmiphy", NULL, 0, 27000000), 467 FRATE(SCLK_USBPHY0, "sclk_usbphy0", NULL, 0, 48000000), 468 FRATE(SCLK_USBPHY1, "sclk_usbphy1", NULL, 0, 48000000), 469 }; 470 471 /* S5P6442-specific fixed rate clocks generated inside the SoC. */ 472 static const struct samsung_fixed_rate_clock s5p6442_frate_clks[] __initconst = { 473 FRATE(SCLK_USBPHY0, "sclk_usbphy0", NULL, 0, 30000000), 474 }; 475 476 /* Common clock dividers. */ 477 static const struct samsung_div_clock div_clks[] __initconst = { 478 DIV(DOUT_PCLKP, "dout_pclkp", "dout_hclkp", CLK_DIV0, 28, 3), 479 DIV(DOUT_PCLKD, "dout_pclkd", "dout_hclkd", CLK_DIV0, 20, 3), 480 DIV(DOUT_A2M, "dout_a2m", "mout_apll", CLK_DIV0, 4, 3), 481 DIV(DOUT_APLL, "dout_apll", "mout_msys", CLK_DIV0, 0, 3), 482 483 DIV(DOUT_FIMD, "dout_fimd", "mout_fimd", CLK_DIV1, 20, 4), 484 DIV(DOUT_CAM1, "dout_cam1", "mout_cam1", CLK_DIV1, 16, 4), 485 DIV(DOUT_CAM0, "dout_cam0", "mout_cam0", CLK_DIV1, 12, 4), 486 487 DIV(DOUT_FIMC2, "dout_fimc2", "mout_fimc2", CLK_DIV3, 20, 4), 488 DIV(DOUT_FIMC1, "dout_fimc1", "mout_fimc1", CLK_DIV3, 16, 4), 489 DIV(DOUT_FIMC0, "dout_fimc0", "mout_fimc0", CLK_DIV3, 12, 4), 490 491 DIV(DOUT_UART2, "dout_uart2", "mout_uart2", CLK_DIV4, 24, 4), 492 DIV(DOUT_UART1, "dout_uart1", "mout_uart1", CLK_DIV4, 20, 4), 493 DIV(DOUT_UART0, "dout_uart0", "mout_uart0", CLK_DIV4, 16, 4), 494 DIV(DOUT_MMC2, "dout_mmc2", "mout_mmc2", CLK_DIV4, 8, 4), 495 DIV(DOUT_MMC1, "dout_mmc1", "mout_mmc1", CLK_DIV4, 4, 4), 496 DIV(DOUT_MMC0, "dout_mmc0", "mout_mmc0", CLK_DIV4, 0, 4), 497 498 DIV(DOUT_PWM, "dout_pwm", "mout_pwm", CLK_DIV5, 12, 4), 499 DIV(DOUT_SPI0, "dout_spi0", "mout_spi0", CLK_DIV5, 0, 4), 500 501 DIV(DOUT_FLASH, "dout_flash", "mout_flash", CLK_DIV6, 12, 3), 502 DIV(DOUT_AUDIO1, "dout_audio1", "mout_audio1", CLK_DIV6, 4, 4), 503 DIV(DOUT_AUDIO0, "dout_audio0", "mout_audio0", CLK_DIV6, 0, 4), 504 505 DIV(DOUT_CLKOUT, "dout_clkout", "mout_clksel", CLK_OUT, 20, 4), 506 }; 507 508 /* S5PV210-specific clock dividers. */ 509 static const struct samsung_div_clock s5pv210_div_clks[] __initconst = { 510 DIV(DOUT_HCLKP, "dout_hclkp", "mout_psys", CLK_DIV0, 24, 4), 511 DIV(DOUT_HCLKD, "dout_hclkd", "mout_dsys", CLK_DIV0, 16, 4), 512 DIV(DOUT_PCLKM, "dout_pclkm", "dout_hclkm", CLK_DIV0, 12, 3), 513 DIV(DOUT_HCLKM, "dout_hclkm", "dout_apll", CLK_DIV0, 8, 3), 514 515 DIV(DOUT_CSIS, "dout_csis", "mout_csis", CLK_DIV1, 28, 4), 516 DIV(DOUT_TBLK, "dout_tblk", "mout_vpll", CLK_DIV1, 0, 4), 517 518 DIV(DOUT_G2D, "dout_g2d", "mout_g2d", CLK_DIV2, 8, 4), 519 DIV(DOUT_MFC, "dout_mfc", "mout_mfc", CLK_DIV2, 4, 4), 520 DIV(DOUT_G3D, "dout_g3d", "mout_g3d", CLK_DIV2, 0, 4), 521 522 DIV(DOUT_UART3, "dout_uart3", "mout_uart3", CLK_DIV4, 28, 4), 523 DIV(DOUT_MMC3, "dout_mmc3", "mout_mmc3", CLK_DIV4, 12, 4), 524 525 DIV(DOUT_SPI1, "dout_spi1", "mout_spi1", CLK_DIV5, 4, 4), 526 527 DIV(DOUT_DMC0, "dout_dmc0", "mout_dmc0", CLK_DIV6, 28, 4), 528 DIV(DOUT_PWI, "dout_pwi", "mout_pwi", CLK_DIV6, 24, 4), 529 DIV(DOUT_HPM, "dout_hpm", "dout_copy", CLK_DIV6, 20, 3), 530 DIV(DOUT_COPY, "dout_copy", "mout_hpm", CLK_DIV6, 16, 3), 531 DIV(DOUT_AUDIO2, "dout_audio2", "mout_audio2", CLK_DIV6, 8, 4), 532 533 DIV(DOUT_DPM, "dout_dpm", "dout_pclkp", CLK_DIV7, 8, 7), 534 DIV(DOUT_DVSEM, "dout_dvsem", "dout_pclkp", CLK_DIV7, 0, 7), 535 }; 536 537 /* S5P6442-specific clock dividers. */ 538 static const struct samsung_div_clock s5p6442_div_clks[] __initconst = { 539 DIV(DOUT_HCLKP, "dout_hclkp", "mout_d1sync", CLK_DIV0, 24, 4), 540 DIV(DOUT_HCLKD, "dout_hclkd", "mout_d0sync", CLK_DIV0, 16, 4), 541 542 DIV(DOUT_MIXER, "dout_mixer", "mout_vpll", CLK_DIV1, 0, 4), 543 }; 544 545 /* Common clock gates. */ 546 static const struct samsung_gate_clock gate_clks[] __initconst = { 547 GATE(CLK_ROTATOR, "rotator", "dout_hclkd", CLK_GATE_IP0, 29, 0, 0), 548 GATE(CLK_FIMC2, "fimc2", "dout_hclkd", CLK_GATE_IP0, 26, 0, 0), 549 GATE(CLK_FIMC1, "fimc1", "dout_hclkd", CLK_GATE_IP0, 25, 0, 0), 550 GATE(CLK_FIMC0, "fimc0", "dout_hclkd", CLK_GATE_IP0, 24, 0, 0), 551 GATE(CLK_PDMA0, "pdma0", "dout_hclkp", CLK_GATE_IP0, 3, 0, 0), 552 GATE(CLK_MDMA, "mdma", "dout_hclkd", CLK_GATE_IP0, 2, 0, 0), 553 554 GATE(CLK_SROMC, "sromc", "dout_hclkp", CLK_GATE_IP1, 26, 0, 0), 555 GATE(CLK_NANDXL, "nandxl", "dout_hclkp", CLK_GATE_IP1, 24, 0, 0), 556 GATE(CLK_USB_OTG, "usb_otg", "dout_hclkp", CLK_GATE_IP1, 16, 0, 0), 557 GATE(CLK_TVENC, "tvenc", "dout_hclkd", CLK_GATE_IP1, 10, 0, 0), 558 GATE(CLK_MIXER, "mixer", "dout_hclkd", CLK_GATE_IP1, 9, 0, 0), 559 GATE(CLK_VP, "vp", "dout_hclkd", CLK_GATE_IP1, 8, 0, 0), 560 GATE(CLK_FIMD, "fimd", "dout_hclkd", CLK_GATE_IP1, 0, 0, 0), 561 562 GATE(CLK_HSMMC2, "hsmmc2", "dout_hclkp", CLK_GATE_IP2, 18, 0, 0), 563 GATE(CLK_HSMMC1, "hsmmc1", "dout_hclkp", CLK_GATE_IP2, 17, 0, 0), 564 GATE(CLK_HSMMC0, "hsmmc0", "dout_hclkp", CLK_GATE_IP2, 16, 0, 0), 565 GATE(CLK_MODEMIF, "modemif", "dout_hclkp", CLK_GATE_IP2, 9, 0, 0), 566 GATE(CLK_SECSS, "secss", "dout_hclkp", CLK_GATE_IP2, 0, 0, 0), 567 568 GATE(CLK_PCM1, "pcm1", "dout_pclkp", CLK_GATE_IP3, 29, 0, 0), 569 GATE(CLK_PCM0, "pcm0", "dout_pclkp", CLK_GATE_IP3, 28, 0, 0), 570 GATE(CLK_TSADC, "tsadc", "dout_pclkp", CLK_GATE_IP3, 24, 0, 0), 571 GATE(CLK_PWM, "pwm", "dout_pclkp", CLK_GATE_IP3, 23, 0, 0), 572 GATE(CLK_WDT, "watchdog", "dout_pclkp", CLK_GATE_IP3, 22, 0, 0), 573 GATE(CLK_KEYIF, "keyif", "dout_pclkp", CLK_GATE_IP3, 21, 0, 0), 574 GATE(CLK_UART2, "uart2", "dout_pclkp", CLK_GATE_IP3, 19, 0, 0), 575 GATE(CLK_UART1, "uart1", "dout_pclkp", CLK_GATE_IP3, 18, 0, 0), 576 GATE(CLK_UART0, "uart0", "dout_pclkp", CLK_GATE_IP3, 17, 0, 0), 577 GATE(CLK_SYSTIMER, "systimer", "dout_pclkp", CLK_GATE_IP3, 16, 0, 0), 578 GATE(CLK_RTC, "rtc", "dout_pclkp", CLK_GATE_IP3, 15, 0, 0), 579 GATE(CLK_SPI0, "spi0", "dout_pclkp", CLK_GATE_IP3, 12, 0, 0), 580 GATE(CLK_I2C2, "i2c2", "dout_pclkp", CLK_GATE_IP3, 9, 0, 0), 581 GATE(CLK_I2C0, "i2c0", "dout_pclkp", CLK_GATE_IP3, 7, 0, 0), 582 GATE(CLK_I2S1, "i2s1", "dout_pclkp", CLK_GATE_IP3, 5, 0, 0), 583 GATE(CLK_I2S0, "i2s0", "dout_pclkp", CLK_GATE_IP3, 4, 0, 0), 584 585 GATE(CLK_SECKEY, "seckey", "dout_pclkp", CLK_GATE_IP4, 3, 0, 0), 586 GATE(CLK_CHIPID, "chipid", "dout_pclkp", CLK_GATE_IP4, 0, 0, 0), 587 588 GATE(SCLK_AUDIO1, "sclk_audio1", "dout_audio1", CLK_SRC_MASK0, 25, 589 CLK_SET_RATE_PARENT, 0), 590 GATE(SCLK_AUDIO0, "sclk_audio0", "dout_audio0", CLK_SRC_MASK0, 24, 591 CLK_SET_RATE_PARENT, 0), 592 GATE(SCLK_PWM, "sclk_pwm", "dout_pwm", CLK_SRC_MASK0, 19, 593 CLK_SET_RATE_PARENT, 0), 594 GATE(SCLK_SPI0, "sclk_spi0", "dout_spi0", CLK_SRC_MASK0, 16, 595 CLK_SET_RATE_PARENT, 0), 596 GATE(SCLK_UART2, "sclk_uart2", "dout_uart2", CLK_SRC_MASK0, 14, 597 CLK_SET_RATE_PARENT, 0), 598 GATE(SCLK_UART1, "sclk_uart1", "dout_uart1", CLK_SRC_MASK0, 13, 599 CLK_SET_RATE_PARENT, 0), 600 GATE(SCLK_UART0, "sclk_uart0", "dout_uart0", CLK_SRC_MASK0, 12, 601 CLK_SET_RATE_PARENT, 0), 602 GATE(SCLK_MMC2, "sclk_mmc2", "dout_mmc2", CLK_SRC_MASK0, 10, 603 CLK_SET_RATE_PARENT, 0), 604 GATE(SCLK_MMC1, "sclk_mmc1", "dout_mmc1", CLK_SRC_MASK0, 9, 605 CLK_SET_RATE_PARENT, 0), 606 GATE(SCLK_MMC0, "sclk_mmc0", "dout_mmc0", CLK_SRC_MASK0, 8, 607 CLK_SET_RATE_PARENT, 0), 608 GATE(SCLK_FIMD, "sclk_fimd", "dout_fimd", CLK_SRC_MASK0, 5, 609 CLK_SET_RATE_PARENT, 0), 610 GATE(SCLK_CAM1, "sclk_cam1", "dout_cam1", CLK_SRC_MASK0, 4, 611 CLK_SET_RATE_PARENT, 0), 612 GATE(SCLK_CAM0, "sclk_cam0", "dout_cam0", CLK_SRC_MASK0, 3, 613 CLK_SET_RATE_PARENT, 0), 614 GATE(SCLK_MIXER, "sclk_mixer", "mout_mixer", CLK_SRC_MASK0, 1, 615 CLK_SET_RATE_PARENT, 0), 616 617 GATE(SCLK_FIMC2, "sclk_fimc2", "dout_fimc2", CLK_SRC_MASK1, 4, 618 CLK_SET_RATE_PARENT, 0), 619 GATE(SCLK_FIMC1, "sclk_fimc1", "dout_fimc1", CLK_SRC_MASK1, 3, 620 CLK_SET_RATE_PARENT, 0), 621 GATE(SCLK_FIMC0, "sclk_fimc0", "dout_fimc0", CLK_SRC_MASK1, 2, 622 CLK_SET_RATE_PARENT, 0), 623 }; 624 625 /* S5PV210-specific clock gates. */ 626 static const struct samsung_gate_clock s5pv210_gate_clks[] __initconst = { 627 GATE(CLK_CSIS, "clk_csis", "dout_hclkd", CLK_GATE_IP0, 31, 0, 0), 628 GATE(CLK_MFC, "mfc", "dout_hclkm", CLK_GATE_IP0, 16, 0, 0), 629 GATE(CLK_G2D, "g2d", "dout_hclkd", CLK_GATE_IP0, 12, 0, 0), 630 GATE(CLK_G3D, "g3d", "dout_hclkm", CLK_GATE_IP0, 8, 0, 0), 631 GATE(CLK_IMEM, "imem", "dout_hclkm", CLK_GATE_IP0, 5, 0, 0), 632 GATE(CLK_PDMA1, "pdma1", "dout_hclkp", CLK_GATE_IP0, 4, 0, 0), 633 634 GATE(CLK_NFCON, "nfcon", "dout_hclkp", CLK_GATE_IP1, 28, 0, 0), 635 GATE(CLK_CFCON, "cfcon", "dout_hclkp", CLK_GATE_IP1, 25, 0, 0), 636 GATE(CLK_USB_HOST, "usb_host", "dout_hclkp", CLK_GATE_IP1, 17, 0, 0), 637 GATE(CLK_HDMI, "hdmi", "dout_hclkd", CLK_GATE_IP1, 11, 0, 0), 638 GATE(CLK_DSIM, "dsim", "dout_pclkd", CLK_GATE_IP1, 2, 0, 0), 639 640 GATE(CLK_TZIC3, "tzic3", "dout_hclkm", CLK_GATE_IP2, 31, 0, 0), 641 GATE(CLK_TZIC2, "tzic2", "dout_hclkm", CLK_GATE_IP2, 30, 0, 0), 642 GATE(CLK_TZIC1, "tzic1", "dout_hclkm", CLK_GATE_IP2, 29, 0, 0), 643 GATE(CLK_TZIC0, "tzic0", "dout_hclkm", CLK_GATE_IP2, 28, 0, 0), 644 GATE(CLK_TSI, "tsi", "dout_hclkd", CLK_GATE_IP2, 20, 0, 0), 645 GATE(CLK_HSMMC3, "hsmmc3", "dout_hclkp", CLK_GATE_IP2, 19, 0, 0), 646 GATE(CLK_JTAG, "jtag", "dout_hclkp", CLK_GATE_IP2, 11, 0, 0), 647 GATE(CLK_CORESIGHT, "coresight", "dout_pclkp", CLK_GATE_IP2, 8, 0, 0), 648 GATE(CLK_SDM, "sdm", "dout_pclkm", CLK_GATE_IP2, 1, 0, 0), 649 650 GATE(CLK_PCM2, "pcm2", "dout_pclkp", CLK_GATE_IP3, 30, 0, 0), 651 GATE(CLK_UART3, "uart3", "dout_pclkp", CLK_GATE_IP3, 20, 0, 0), 652 GATE(CLK_SPI1, "spi1", "dout_pclkp", CLK_GATE_IP3, 13, 0, 0), 653 GATE(CLK_I2C_HDMI_PHY, "i2c_hdmi_phy", "dout_pclkd", 654 CLK_GATE_IP3, 11, 0, 0), 655 GATE(CLK_I2C1, "i2c1", "dout_pclkd", CLK_GATE_IP3, 10, 0, 0), 656 GATE(CLK_I2S2, "i2s2", "dout_pclkp", CLK_GATE_IP3, 6, 0, 0), 657 GATE(CLK_AC97, "ac97", "dout_pclkp", CLK_GATE_IP3, 1, 0, 0), 658 GATE(CLK_SPDIF, "spdif", "dout_pclkp", CLK_GATE_IP3, 0, 0, 0), 659 660 GATE(CLK_TZPC3, "tzpc.3", "dout_pclkd", CLK_GATE_IP4, 8, 0, 0), 661 GATE(CLK_TZPC2, "tzpc.2", "dout_pclkd", CLK_GATE_IP4, 7, 0, 0), 662 GATE(CLK_TZPC1, "tzpc.1", "dout_pclkp", CLK_GATE_IP4, 6, 0, 0), 663 GATE(CLK_TZPC0, "tzpc.0", "dout_pclkm", CLK_GATE_IP4, 5, 0, 0), 664 GATE(CLK_IEM_APC, "iem_apc", "dout_pclkp", CLK_GATE_IP4, 2, 0, 0), 665 GATE(CLK_IEM_IEC, "iem_iec", "dout_pclkp", CLK_GATE_IP4, 1, 0, 0), 666 667 GATE(CLK_JPEG, "jpeg", "dout_hclkd", CLK_GATE_IP5, 29, 0, 0), 668 669 GATE(SCLK_SPDIF, "sclk_spdif", "mout_spdif", CLK_SRC_MASK0, 27, 670 CLK_SET_RATE_PARENT, 0), 671 GATE(SCLK_AUDIO2, "sclk_audio2", "dout_audio2", CLK_SRC_MASK0, 26, 672 CLK_SET_RATE_PARENT, 0), 673 GATE(SCLK_SPI1, "sclk_spi1", "dout_spi1", CLK_SRC_MASK0, 17, 674 CLK_SET_RATE_PARENT, 0), 675 GATE(SCLK_UART3, "sclk_uart3", "dout_uart3", CLK_SRC_MASK0, 15, 676 CLK_SET_RATE_PARENT, 0), 677 GATE(SCLK_MMC3, "sclk_mmc3", "dout_mmc3", CLK_SRC_MASK0, 11, 678 CLK_SET_RATE_PARENT, 0), 679 GATE(SCLK_CSIS, "sclk_csis", "dout_csis", CLK_SRC_MASK0, 6, 680 CLK_SET_RATE_PARENT, 0), 681 GATE(SCLK_DAC, "sclk_dac", "mout_dac", CLK_SRC_MASK0, 2, 682 CLK_SET_RATE_PARENT, 0), 683 GATE(SCLK_HDMI, "sclk_hdmi", "mout_hdmi", CLK_SRC_MASK0, 0, 684 CLK_SET_RATE_PARENT, 0), 685 }; 686 687 /* S5P6442-specific clock gates. */ 688 static const struct samsung_gate_clock s5p6442_gate_clks[] __initconst = { 689 GATE(CLK_JPEG, "jpeg", "dout_hclkd", CLK_GATE_IP0, 28, 0, 0), 690 GATE(CLK_MFC, "mfc", "dout_hclkd", CLK_GATE_IP0, 16, 0, 0), 691 GATE(CLK_G2D, "g2d", "dout_hclkd", CLK_GATE_IP0, 12, 0, 0), 692 GATE(CLK_G3D, "g3d", "dout_hclkd", CLK_GATE_IP0, 8, 0, 0), 693 GATE(CLK_IMEM, "imem", "dout_hclkd", CLK_GATE_IP0, 5, 0, 0), 694 695 GATE(CLK_ETB, "etb", "dout_hclkd", CLK_GATE_IP1, 31, 0, 0), 696 GATE(CLK_ETM, "etm", "dout_hclkd", CLK_GATE_IP1, 30, 0, 0), 697 698 GATE(CLK_I2C1, "i2c1", "dout_pclkp", CLK_GATE_IP3, 8, 0, 0), 699 700 GATE(SCLK_DAC, "sclk_dac", "mout_vpll", CLK_SRC_MASK0, 2, 701 CLK_SET_RATE_PARENT, 0), 702 }; 703 704 /* 705 * Clock aliases for legacy clkdev look-up. 706 * NOTE: Needed only to support legacy board files. 707 */ 708 static const struct samsung_clock_alias s5pv210_aliases[] __initconst = { 709 ALIAS(DOUT_APLL, NULL, "armclk"), 710 ALIAS(DOUT_HCLKM, NULL, "hclk_msys"), 711 ALIAS(MOUT_DMC0, NULL, "sclk_dmc0"), 712 }; 713 714 /* S5PV210-specific PLLs. */ 715 static const struct samsung_pll_clock s5pv210_pll_clks[] __initconst = { 716 [apll] = PLL(pll_4508, FOUT_APLL, "fout_apll", "fin_pll", 717 APLL_LOCK, APLL_CON0, NULL), 718 [mpll] = PLL(pll_4502, FOUT_MPLL, "fout_mpll", "fin_pll", 719 MPLL_LOCK, MPLL_CON, NULL), 720 [epll] = PLL(pll_4600, FOUT_EPLL, "fout_epll", "fin_pll", 721 EPLL_LOCK, EPLL_CON0, NULL), 722 [vpll] = PLL(pll_4502, FOUT_VPLL, "fout_vpll", "mout_vpllsrc", 723 VPLL_LOCK, VPLL_CON, NULL), 724 }; 725 726 /* S5P6442-specific PLLs. */ 727 static const struct samsung_pll_clock s5p6442_pll_clks[] __initconst = { 728 [apll] = PLL(pll_4502, FOUT_APLL, "fout_apll", "fin_pll", 729 APLL_LOCK, APLL_CON0, NULL), 730 [mpll] = PLL(pll_4502, FOUT_MPLL, "fout_mpll", "fin_pll", 731 MPLL_LOCK, MPLL_CON, NULL), 732 [epll] = PLL(pll_4500, FOUT_EPLL, "fout_epll", "fin_pll", 733 EPLL_LOCK, EPLL_CON0, NULL), 734 [vpll] = PLL(pll_4500, FOUT_VPLL, "fout_vpll", "fin_pll", 735 VPLL_LOCK, VPLL_CON, NULL), 736 }; 737 __s5pv210_clk_init(struct device_node * np,unsigned long xxti_f,unsigned long xusbxti_f,bool is_s5p6442)738 static void __init __s5pv210_clk_init(struct device_node *np, 739 unsigned long xxti_f, 740 unsigned long xusbxti_f, 741 bool is_s5p6442) 742 { 743 struct samsung_clk_provider *ctx; 744 struct clk_hw **hws; 745 746 ctx = samsung_clk_init(NULL, reg_base, NR_CLKS); 747 hws = ctx->clk_data.hws; 748 749 samsung_clk_register_mux(ctx, early_mux_clks, 750 ARRAY_SIZE(early_mux_clks)); 751 752 if (is_s5p6442) { 753 samsung_clk_register_fixed_rate(ctx, s5p6442_frate_clks, 754 ARRAY_SIZE(s5p6442_frate_clks)); 755 samsung_clk_register_pll(ctx, s5p6442_pll_clks, 756 ARRAY_SIZE(s5p6442_pll_clks)); 757 samsung_clk_register_mux(ctx, s5p6442_mux_clks, 758 ARRAY_SIZE(s5p6442_mux_clks)); 759 samsung_clk_register_div(ctx, s5p6442_div_clks, 760 ARRAY_SIZE(s5p6442_div_clks)); 761 samsung_clk_register_gate(ctx, s5p6442_gate_clks, 762 ARRAY_SIZE(s5p6442_gate_clks)); 763 } else { 764 samsung_clk_register_fixed_rate(ctx, s5pv210_frate_clks, 765 ARRAY_SIZE(s5pv210_frate_clks)); 766 samsung_clk_register_pll(ctx, s5pv210_pll_clks, 767 ARRAY_SIZE(s5pv210_pll_clks)); 768 samsung_clk_register_mux(ctx, s5pv210_mux_clks, 769 ARRAY_SIZE(s5pv210_mux_clks)); 770 samsung_clk_register_div(ctx, s5pv210_div_clks, 771 ARRAY_SIZE(s5pv210_div_clks)); 772 samsung_clk_register_gate(ctx, s5pv210_gate_clks, 773 ARRAY_SIZE(s5pv210_gate_clks)); 774 } 775 776 samsung_clk_register_mux(ctx, mux_clks, ARRAY_SIZE(mux_clks)); 777 samsung_clk_register_div(ctx, div_clks, ARRAY_SIZE(div_clks)); 778 samsung_clk_register_gate(ctx, gate_clks, ARRAY_SIZE(gate_clks)); 779 780 samsung_clk_register_fixed_factor(ctx, ffactor_clks, 781 ARRAY_SIZE(ffactor_clks)); 782 783 samsung_clk_register_alias(ctx, s5pv210_aliases, 784 ARRAY_SIZE(s5pv210_aliases)); 785 786 samsung_clk_sleep_init(reg_base, s5pv210_clk_regs, 787 ARRAY_SIZE(s5pv210_clk_regs)); 788 789 samsung_clk_of_add_provider(np, ctx); 790 791 pr_info("%s clocks: mout_apll = %ld, mout_mpll = %ld\n" 792 "\tmout_epll = %ld, mout_vpll = %ld\n", 793 is_s5p6442 ? "S5P6442" : "S5PV210", 794 clk_hw_get_rate(hws[MOUT_APLL]), 795 clk_hw_get_rate(hws[MOUT_MPLL]), 796 clk_hw_get_rate(hws[MOUT_EPLL]), 797 clk_hw_get_rate(hws[MOUT_VPLL])); 798 } 799 s5pv210_clk_dt_init(struct device_node * np)800 static void __init s5pv210_clk_dt_init(struct device_node *np) 801 { 802 reg_base = of_iomap(np, 0); 803 if (!reg_base) 804 panic("%s: failed to map registers\n", __func__); 805 806 __s5pv210_clk_init(np, 0, 0, false); 807 } 808 CLK_OF_DECLARE(s5pv210_clk, "samsung,s5pv210-clock", s5pv210_clk_dt_init); 809 s5p6442_clk_dt_init(struct device_node * np)810 static void __init s5p6442_clk_dt_init(struct device_node *np) 811 { 812 reg_base = of_iomap(np, 0); 813 if (!reg_base) 814 panic("%s: failed to map registers\n", __func__); 815 816 __s5pv210_clk_init(np, 0, 0, true); 817 } 818 CLK_OF_DECLARE(s5p6442_clk, "samsung,s5p6442-clock", s5p6442_clk_dt_init); 819