1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2022 Collabora Ltd. 4 * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 5 */ 6 7 #include <dt-bindings/clock/mediatek,mt6795-clk.h> 8 #include <linux/module.h> 9 #include <linux/platform_device.h> 10 #include "clk-gate.h" 11 #include "clk-mtk.h" 12 #include "clk-mux.h" 13 14 /* 15 * For some clocks, we don't care what their actual rates are. And these 16 * clocks may change their rate on different products or different scenarios. 17 * So we model these clocks' rate as 0, to denote it's not an actual rate. 18 */ 19 #define DUMMY_RATE 0 20 21 #define TOP_MUX_GATE_NOSR(_id, _name, _parents, _reg, _shift, _width, _gate, _flags) \ 22 MUX_GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _reg, \ 23 (_reg + 0x4), (_reg + 0x8), _shift, _width, \ 24 _gate, 0, -1, _flags) 25 26 #define TOP_MUX_GATE(_id, _name, _parents, _reg, _shift, _width, _gate, _flags) \ 27 TOP_MUX_GATE_NOSR(_id, _name, _parents, _reg, _shift, _width, \ 28 _gate, CLK_SET_RATE_PARENT | _flags) 29 30 static DEFINE_SPINLOCK(mt6795_top_clk_lock); 31 32 static const char * const aud_1_parents[] = { 33 "clk26m", 34 "apll1_ck", 35 "univpll2_d4", 36 "univpll2_d8" 37 }; 38 39 static const char * const aud_2_parents[] = { 40 "clk26m", 41 "apll2_ck", 42 "univpll2_d4", 43 "univpll2_d8" 44 }; 45 46 static const char * const aud_intbus_parents[] = { 47 "clk26m", 48 "syspll1_d4", 49 "syspll4_d2", 50 "univpll3_d2", 51 "univpll2_d8", 52 "dmpll_d4", 53 "dmpll_d8" 54 }; 55 56 static const char * const audio_parents[] = { 57 "clk26m", 58 "syspll3_d4", 59 "syspll4_d4", 60 "syspll1_d16" 61 }; 62 63 static const char * const axi_mfg_in_parents[] = { 64 "clk26m", 65 "axi_sel", 66 "dmpll_d2" 67 }; 68 69 static const char * const axi_parents[] = { 70 "clk26m", 71 "syspll1_d2", 72 "syspll_d5", 73 "syspll1_d4", 74 "univpll_d5", 75 "univpll2_d2", 76 "dmpll_d2", 77 "dmpll_d4" 78 }; 79 80 static const char * const camtg_parents[] = { 81 "clk26m", 82 "univpll_d26", 83 "univpll2_d2", 84 "syspll3_d2", 85 "syspll3_d4", 86 "univpll1_d4", 87 "dmpll_d8" 88 }; 89 90 static const char * const cci400_parents[] = { 91 "clk26m", 92 "vencpll_ck", 93 "clk26m", 94 "clk26m", 95 "univpll_d2", 96 "syspll_d2", 97 "msdcpll_ck", 98 "dmpll_ck" 99 }; 100 101 static const char * const ddrphycfg_parents[] = { 102 "clk26m", 103 "syspll1_d8" 104 }; 105 106 static const char * const dpi0_parents[] = { 107 "clk26m", 108 "tvdpll_d2", 109 "tvdpll_d4", 110 "clk26m", 111 "clk26m", 112 "tvdpll_d8", 113 "tvdpll_d16" 114 }; 115 116 static const char * const i2s0_m_ck_parents[] = { 117 "apll1_div1", 118 "apll2_div1" 119 }; 120 121 static const char * const i2s1_m_ck_parents[] = { 122 "apll1_div2", 123 "apll2_div2" 124 }; 125 126 static const char * const i2s2_m_ck_parents[] = { 127 "apll1_div3", 128 "apll2_div3" 129 }; 130 131 static const char * const i2s3_m_ck_parents[] = { 132 "apll1_div4", 133 "apll2_div4" 134 }; 135 136 static const char * const i2s3_b_ck_parents[] = { 137 "apll1_div5", 138 "apll2_div5" 139 }; 140 141 static const char * const irda_parents[] = { 142 "clk26m", 143 "univpll2_d4", 144 "syspll2_d4", 145 "dmpll_d8", 146 }; 147 148 static const char * const mem_mfg_in_parents[] = { 149 "clk26m", 150 "mmpll_ck", 151 "dmpll_ck" 152 }; 153 154 static const char * const mem_parents[] = { 155 "clk26m", 156 "dmpll_ck" 157 }; 158 159 static const char * const mfg_parents[] = { 160 "clk26m", 161 "mmpll_ck", 162 "dmpll_ck", 163 "clk26m", 164 "clk26m", 165 "clk26m", 166 "clk26m", 167 "clk26m", 168 "clk26m", 169 "syspll_d3", 170 "syspll1_d2", 171 "syspll_d5", 172 "univpll_d3", 173 "univpll1_d2", 174 "univpll_d5", 175 "univpll2_d2" 176 }; 177 178 static const char * const mm_parents[] = { 179 "clk26m", 180 "vencpll_d2", 181 "syspll_d3", 182 "syspll1_d2", 183 "syspll_d5", 184 "syspll1_d4", 185 "univpll1_d2", 186 "univpll2_d2", 187 "dmpll_d2" 188 }; 189 190 static const char * const mjc_parents[] = { 191 "clk26m", 192 "univpll_d3", 193 "vcodecpll_ck", 194 "tvdpll_445p5m", 195 "vencpll_d2", 196 "syspll_d3", 197 "univpll1_d2", 198 "syspll_d5", 199 "syspll1_d2", 200 "univpll_d5", 201 "univpll2_d2", 202 "dmpll_ck" 203 }; 204 205 static const char * const msdc50_0_h_parents[] = { 206 "clk26m", 207 "syspll1_d2", 208 "syspll2_d2", 209 "syspll4_d2", 210 "univpll_d5", 211 "univpll1_d4" 212 }; 213 214 static const char * const msdc50_0_parents[] = { 215 "clk26m", 216 "msdcpll_ck", 217 "msdcpll_d2", 218 "univpll1_d4", 219 "syspll2_d2", 220 "syspll_d7", 221 "msdcpll_d4", 222 "vencpll_d4", 223 "tvdpll_ck", 224 "univpll_d2", 225 "univpll1_d2", 226 "mmpll_ck" 227 }; 228 229 static const char * const msdc30_1_parents[] = { 230 "clk26m", 231 "univpll2_d2", 232 "msdcpll_d4", 233 "univpll1_d4", 234 "syspll2_d2", 235 "syspll_d7", 236 "univpll_d7", 237 "vencpll_d4" 238 }; 239 240 static const char * const msdc30_2_parents[] = { 241 "clk26m", 242 "univpll2_d2", 243 "msdcpll_d4", 244 "univpll1_d4", 245 "syspll2_d2", 246 "syspll_d7", 247 "univpll_d7", 248 "vencpll_d2" 249 }; 250 251 static const char * const msdc30_3_parents[] = { 252 "clk26m", 253 "univpll2_d2", 254 "msdcpll_d4", 255 "univpll1_d4", 256 "syspll2_d2", 257 "syspll_d7", 258 "univpll_d7", 259 "vencpll_d4" 260 }; 261 262 static const char * const pmicspi_parents[] = { 263 "clk26m", 264 "syspll1_d8", 265 "syspll3_d4", 266 "syspll1_d16", 267 "univpll3_d4", 268 "univpll_d26", 269 "dmpll_d8", 270 "dmpll_d16" 271 }; 272 273 static const char * const pwm_parents[] = { 274 "clk26m", 275 "univpll2_d4", 276 "univpll3_d2", 277 "univpll1_d4" 278 }; 279 280 static const char * const scam_parents[] = { 281 "clk26m", 282 "syspll3_d2", 283 "univpll2_d4", 284 "dmpll_d4" 285 }; 286 287 static const char * const scp_parents[] = { 288 "clk26m", 289 "syspll1_d2", 290 "univpll_d5", 291 "syspll_d5", 292 "dmpll_d2", 293 "dmpll_d4" 294 }; 295 296 static const char * const spi_parents[] = { 297 "clk26m", 298 "syspll3_d2", 299 "syspll1_d4", 300 "syspll4_d2", 301 "univpll3_d2", 302 "univpll2_d4", 303 "univpll1_d8" 304 }; 305 306 static const char * const uart_parents[] = { 307 "clk26m", 308 "univpll2_d8" 309 }; 310 311 static const char * const usb20_parents[] = { 312 "clk26m", 313 "univpll1_d8", 314 "univpll3_d4" 315 }; 316 317 static const char * const usb30_parents[] = { 318 "clk26m", 319 "univpll3_d2", 320 "usb_syspll_125m", 321 "univpll2_d4" 322 }; 323 324 static const char * const vdec_parents[] = { 325 "clk26m", 326 "vcodecpll_ck", 327 "tvdpll_445p5m", 328 "univpll_d3", 329 "vencpll_d2", 330 "syspll_d3", 331 "univpll1_d2", 332 "mmpll_d2", 333 "dmpll_d2", 334 "dmpll_d4" 335 }; 336 337 static const char * const venc_parents[] = { 338 "clk26m", 339 "vcodecpll_ck", 340 "tvdpll_445p5m", 341 "univpll_d3", 342 "vencpll_d2", 343 "syspll_d3", 344 "univpll1_d2", 345 "univpll2_d2", 346 "dmpll_d2", 347 "dmpll_d4" 348 }; 349 350 static const struct mtk_fixed_clk fixed_clks[] = { 351 FIXED_CLK(CLK_TOP_ADSYS_26M, "adsys_26m", "clk26m", 26 * MHZ), 352 FIXED_CLK(CLK_TOP_CLKPH_MCK_O, "clkph_mck_o", "clk26m", DUMMY_RATE), 353 FIXED_CLK(CLK_TOP_USB_SYSPLL_125M, "usb_syspll_125m", "clk26m", 125 * MHZ), 354 FIXED_CLK(CLK_TOP_DSI0_DIG, "dsi0_dig", "clk26m", DUMMY_RATE), 355 FIXED_CLK(CLK_TOP_DSI1_DIG, "dsi1_dig", "clk26m", DUMMY_RATE), 356 }; 357 358 static const struct mtk_fixed_factor top_divs[] = { 359 FACTOR(CLK_TOP_ARMCA53PLL_754M, "armca53pll_754m", "clk26m", 1, 2), 360 FACTOR(CLK_TOP_ARMCA53PLL_502M, "armca53pll_502m", "clk26m", 1, 3), 361 362 FACTOR(CLK_TOP_MAIN_H546M, "main_h546m", "mainpll", 1, 2), 363 FACTOR(CLK_TOP_MAIN_H364M, "main_h364m", "mainpll", 1, 3), 364 FACTOR(CLK_TOP_MAIN_H218P4M, "main_h218p4m", "mainpll", 1, 5), 365 FACTOR(CLK_TOP_MAIN_H156M, "main_h156m", "mainpll", 1, 7), 366 367 FACTOR(CLK_TOP_TVDPLL_445P5M, "tvdpll_445p5m", "tvdpll", 1, 4), 368 FACTOR(CLK_TOP_TVDPLL_594M, "tvdpll_594m", "tvdpll", 1, 3), 369 370 FACTOR(CLK_TOP_UNIV_624M, "univ_624m", "univpll", 1, 2), 371 FACTOR(CLK_TOP_UNIV_416M, "univ_416m", "univpll", 1, 3), 372 FACTOR(CLK_TOP_UNIV_249P6M, "univ_249p6m", "univpll", 1, 5), 373 FACTOR(CLK_TOP_UNIV_178P3M, "univ_178p3m", "univpll", 1, 7), 374 FACTOR(CLK_TOP_UNIV_48M, "univ_48m", "univpll", 1, 26), 375 376 FACTOR(CLK_TOP_CLKRTC_EXT, "clkrtc_ext", "clk32k", 1, 1), 377 FACTOR(CLK_TOP_CLKRTC_INT, "clkrtc_int", "clk26m", 1, 793), 378 FACTOR(CLK_TOP_FPC, "fpc_ck", "clk26m", 1, 1), 379 380 FACTOR(CLK_TOP_HDMITXPLL_D2, "hdmitxpll_d2", "clk26m", 1, 2), 381 FACTOR(CLK_TOP_HDMITXPLL_D3, "hdmitxpll_d3", "clk26m", 1, 3), 382 383 FACTOR(CLK_TOP_ARMCA53PLL_D2, "armca53pll_d2", "clk26m", 1, 1), 384 FACTOR(CLK_TOP_ARMCA53PLL_D3, "armca53pll_d3", "clk26m", 1, 1), 385 386 FACTOR(CLK_TOP_APLL1, "apll1_ck", "apll1", 1, 1), 387 FACTOR(CLK_TOP_APLL2, "apll2_ck", "apll2", 1, 1), 388 389 FACTOR(CLK_TOP_DMPLL, "dmpll_ck", "clkph_mck_o", 1, 1), 390 FACTOR(CLK_TOP_DMPLL_D2, "dmpll_d2", "clkph_mck_o", 1, 2), 391 FACTOR(CLK_TOP_DMPLL_D4, "dmpll_d4", "clkph_mck_o", 1, 4), 392 FACTOR(CLK_TOP_DMPLL_D8, "dmpll_d8", "clkph_mck_o", 1, 8), 393 FACTOR(CLK_TOP_DMPLL_D16, "dmpll_d16", "clkph_mck_o", 1, 16), 394 395 FACTOR(CLK_TOP_MMPLL, "mmpll_ck", "mmpll", 1, 1), 396 FACTOR(CLK_TOP_MMPLL_D2, "mmpll_d2", "mmpll", 1, 2), 397 398 FACTOR(CLK_TOP_MSDCPLL, "msdcpll_ck", "msdcpll", 1, 1), 399 FACTOR(CLK_TOP_MSDCPLL_D2, "msdcpll_d2", "msdcpll", 1, 2), 400 FACTOR(CLK_TOP_MSDCPLL_D4, "msdcpll_d4", "msdcpll", 1, 4), 401 FACTOR(CLK_TOP_MSDCPLL2, "msdcpll2_ck", "msdcpll2", 1, 1), 402 FACTOR(CLK_TOP_MSDCPLL2_D2, "msdcpll2_d2", "msdcpll2", 1, 2), 403 FACTOR(CLK_TOP_MSDCPLL2_D4, "msdcpll2_d4", "msdcpll2", 1, 4), 404 405 FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "main_h546m", 1, 1), 406 FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "main_h546m", 1, 2), 407 FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "main_h546m", 1, 4), 408 FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "main_h546m", 1, 8), 409 FACTOR(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "main_h546m", 1, 16), 410 FACTOR(CLK_TOP_SYSPLL_D3, "syspll_d3", "main_h364m", 1, 1), 411 FACTOR(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "main_h364m", 1, 2), 412 FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "main_h364m", 1, 4), 413 FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "main_h218p4m", 1, 1), 414 FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "main_h218p4m", 1, 2), 415 FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "main_h218p4m", 1, 4), 416 FACTOR(CLK_TOP_SYSPLL_D7, "syspll_d7", "main_h156m", 1, 1), 417 FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "main_h156m", 1, 2), 418 FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "main_h156m", 1, 4), 419 420 FACTOR(CLK_TOP_TVDPLL, "tvdpll_ck", "tvdpll_594m", 1, 1), 421 FACTOR(CLK_TOP_TVDPLL_D2, "tvdpll_d2", "tvdpll_594m", 1, 2), 422 FACTOR(CLK_TOP_TVDPLL_D4, "tvdpll_d4", "tvdpll_594m", 1, 4), 423 FACTOR(CLK_TOP_TVDPLL_D8, "tvdpll_d8", "tvdpll_594m", 1, 8), 424 FACTOR(CLK_TOP_TVDPLL_D16, "tvdpll_d16", "tvdpll_594m", 1, 16), 425 426 FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univ_624m", 1, 1), 427 FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univ_624m", 1, 2), 428 FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univ_624m", 1, 4), 429 FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univ_624m", 1, 8), 430 FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univ_416m", 1, 1), 431 FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univ_416m", 1, 2), 432 FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univ_416m", 1, 4), 433 FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univ_416m", 1, 8), 434 FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univ_249p6m", 1, 1), 435 FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univ_249p6m", 1, 2), 436 FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univ_249p6m", 1, 4), 437 FACTOR(CLK_TOP_UNIVPLL3_D8, "univpll3_d8", "univ_249p6m", 1, 8), 438 FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univ_178p3m", 1, 1), 439 FACTOR(CLK_TOP_UNIVPLL_D26, "univpll_d26", "univ_48m", 1, 1), 440 FACTOR(CLK_TOP_UNIVPLL_D52, "univpll_d52", "univ_48m", 1, 2), 441 442 FACTOR(CLK_TOP_VCODECPLL, "vcodecpll_ck", "vcodecpll", 1, 3), 443 FACTOR(CLK_TOP_VCODECPLL_370P5, "vcodecpll_370p5", "vcodecpll", 1, 4), 444 445 FACTOR(CLK_TOP_VENCPLL, "vencpll_ck", "vencpll", 1, 1), 446 FACTOR(CLK_TOP_VENCPLL_D2, "vencpll_d2", "vencpll", 1, 2), 447 FACTOR(CLK_TOP_VENCPLL_D4, "vencpll_d4", "vencpll", 1, 4), 448 }; 449 450 static const struct mtk_mux top_muxes[] = { 451 /* CLK_CFG_0 */ 452 TOP_MUX_GATE_NOSR(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, 453 0x40, 0, 3, 7, CLK_IS_CRITICAL), 454 TOP_MUX_GATE_NOSR(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, 455 0x40, 8, 1, 15, CLK_IS_CRITICAL), 456 TOP_MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents, 457 0x40, 16, 1, 23, CLK_IS_CRITICAL), 458 TOP_MUX_GATE(CLK_TOP_MM_SEL, "mm_sel", mm_parents, 0x40, 24, 3, 31, 0), 459 /* CLK_CFG_1 */ 460 TOP_MUX_GATE(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x50, 0, 2, 7, 0), 461 TOP_MUX_GATE(CLK_TOP_VDEC_SEL, "vdec_sel", vdec_parents, 0x50, 8, 4, 15, 0), 462 TOP_MUX_GATE(CLK_TOP_VENC_SEL, "venc_sel", venc_parents, 0x50, 16, 4, 23, 0), 463 TOP_MUX_GATE(CLK_TOP_MFG_SEL, "mfg_sel", mfg_parents, 0x50, 24, 4, 31, 0), 464 /* CLK_CFG_2 */ 465 TOP_MUX_GATE(CLK_TOP_CAMTG_SEL, "camtg_sel", camtg_parents, 0x60, 0, 3, 7, 0), 466 TOP_MUX_GATE(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x60, 8, 1, 15, 0), 467 TOP_MUX_GATE(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x60, 16, 3, 23, 0), 468 TOP_MUX_GATE(CLK_TOP_USB20_SEL, "usb20_sel", usb20_parents, 0x60, 24, 2, 31, 0), 469 /* CLK_CFG_3 */ 470 TOP_MUX_GATE(CLK_TOP_USB30_SEL, "usb30_sel", usb30_parents, 0x70, 0, 2, 7, 0), 471 TOP_MUX_GATE(CLK_TOP_MSDC50_0_H_SEL, "msdc50_0_h_sel", msdc50_0_h_parents, 472 0x70, 8, 3, 15, 0), 473 TOP_MUX_GATE(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel", msdc50_0_parents, 0x70, 16, 4, 23, 0), 474 TOP_MUX_GATE(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", msdc30_1_parents, 0x70, 24, 3, 31, 0), 475 /* CLK_CFG_4 */ 476 TOP_MUX_GATE(CLK_TOP_MSDC30_2_SEL, "msdc30_2_sel", msdc30_2_parents, 0x80, 0, 3, 7, 0), 477 TOP_MUX_GATE(CLK_TOP_MSDC30_3_SEL, "msdc30_3_sel", msdc30_3_parents, 0x80, 8, 3, 15, 0), 478 TOP_MUX_GATE(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents, 0x80, 16, 2, 23, 0), 479 TOP_MUX_GATE(CLK_TOP_AUD_INTBUS_SEL, "aud_intbus_sel", aud_intbus_parents, 480 0x80, 24, 3, 31, 0), 481 /* CLK_CFG_5 */ 482 TOP_MUX_GATE(CLK_TOP_PMICSPI_SEL, "pmicspi_sel", pmicspi_parents, 0x90, 0, 3, 5, 0), 483 TOP_MUX_GATE(CLK_TOP_SCP_SEL, "scp_sel", scp_parents, 0x90, 8, 3, 15, 0), 484 TOP_MUX_GATE(CLK_TOP_MJC_SEL, "mjc_sel", mjc_parents, 0x90, 24, 4, 31, 0), 485 /* CLK_CFG_6 */ 486 /* 487 * The dpi0_sel clock should not propagate rate changes to its parent 488 * clock so the dpi driver can have full control over PLL and divider. 489 */ 490 TOP_MUX_GATE_NOSR(CLK_TOP_DPI0_SEL, "dpi0_sel", dpi0_parents, 0xa0, 0, 3, 7, 0), 491 TOP_MUX_GATE(CLK_TOP_IRDA_SEL, "irda_sel", irda_parents, 0xa0, 8, 2, 15, 0), 492 TOP_MUX_GATE(CLK_TOP_CCI400_SEL, "cci400_sel", cci400_parents, 493 0xa0, 16, 3, 23, CLK_IS_CRITICAL), 494 TOP_MUX_GATE(CLK_TOP_AUD_1_SEL, "aud_1_sel", aud_1_parents, 0xa0, 24, 2, 31, 0), 495 /* CLK_CFG_7 */ 496 TOP_MUX_GATE(CLK_TOP_AUD_2_SEL, "aud_2_sel", aud_2_parents, 0xb0, 0, 2, 7, 0), 497 TOP_MUX_GATE(CLK_TOP_MEM_MFG_IN_SEL, "mem_mfg_in_sel", mem_mfg_in_parents, 498 0xb0, 8, 2, 15, 0), 499 TOP_MUX_GATE(CLK_TOP_AXI_MFG_IN_SEL, "axi_mfg_in_sel", axi_mfg_in_parents, 500 0xb0, 16, 2, 23, 0), 501 TOP_MUX_GATE(CLK_TOP_SCAM_SEL, "scam_sel", scam_parents, 0xb0, 24, 2, 31, 0), 502 }; 503 504 static struct mtk_composite top_aud_divs[] = { 505 MUX(CLK_TOP_I2S0_M_SEL, "i2s0_m_ck_sel", i2s0_m_ck_parents, 0x120, 4, 1), 506 MUX(CLK_TOP_I2S1_M_SEL, "i2s1_m_ck_sel", i2s1_m_ck_parents, 0x120, 5, 1), 507 MUX(CLK_TOP_I2S2_M_SEL, "i2s2_m_ck_sel", i2s2_m_ck_parents, 0x120, 6, 1), 508 MUX(CLK_TOP_I2S3_M_SEL, "i2s3_m_ck_sel", i2s3_m_ck_parents, 0x120, 7, 1), 509 MUX(CLK_TOP_I2S3_B_SEL, "i2s3_b_ck_sel", i2s3_b_ck_parents, 0x120, 8, 1), 510 511 DIV_GATE(CLK_TOP_APLL1_DIV0, "apll1_div0", "aud_1_sel", 0x12c, 8, 0x120, 4, 24), 512 DIV_GATE(CLK_TOP_APLL1_DIV1, "apll1_div1", "aud_1_sel", 0x12c, 9, 0x124, 8, 0), 513 DIV_GATE(CLK_TOP_APLL1_DIV2, "apll1_div2", "aud_1_sel", 0x12c, 10, 0x124, 8, 8), 514 DIV_GATE(CLK_TOP_APLL1_DIV3, "apll1_div3", "aud_1_sel", 0x12c, 11, 0x124, 8, 16), 515 DIV_GATE(CLK_TOP_APLL1_DIV4, "apll1_div4", "aud_1_sel", 0x12c, 12, 0x124, 8, 24), 516 DIV_GATE(CLK_TOP_APLL1_DIV5, "apll1_div5", "apll1_div4", 0x12c, 13, 0x12c, 4, 0), 517 518 DIV_GATE(CLK_TOP_APLL2_DIV0, "apll2_div0", "aud_2_sel", 0x12c, 16, 0x120, 4, 28), 519 DIV_GATE(CLK_TOP_APLL2_DIV1, "apll2_div1", "aud_2_sel", 0x12c, 17, 0x128, 8, 0), 520 DIV_GATE(CLK_TOP_APLL2_DIV2, "apll2_div2", "aud_2_sel", 0x12c, 18, 0x128, 8, 8), 521 DIV_GATE(CLK_TOP_APLL2_DIV3, "apll2_div3", "aud_2_sel", 0x12c, 19, 0x128, 8, 16), 522 DIV_GATE(CLK_TOP_APLL2_DIV4, "apll2_div4", "aud_2_sel", 0x12c, 20, 0x128, 8, 24), 523 DIV_GATE(CLK_TOP_APLL2_DIV5, "apll2_div5", "apll2_div4", 0x12c, 21, 0x12c, 4, 4), 524 }; 525 526 527 static const struct of_device_id of_match_clk_mt6795_topckgen[] = { 528 { .compatible = "mediatek,mt6795-topckgen" }, 529 { /* sentinel */ } 530 }; 531 532 static int clk_mt6795_topckgen_probe(struct platform_device *pdev) 533 { 534 struct clk_hw_onecell_data *clk_data; 535 struct device_node *node = pdev->dev.of_node; 536 void __iomem *base; 537 int ret; 538 539 base = devm_platform_ioremap_resource(pdev, 0); 540 if (IS_ERR(base)) 541 return PTR_ERR(base); 542 543 clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); 544 if (!clk_data) 545 return -ENOMEM; 546 547 ret = mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data); 548 if (ret) 549 goto free_clk_data; 550 551 ret = mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); 552 if (ret) 553 goto unregister_fixed_clks; 554 555 ret = mtk_clk_register_muxes(top_muxes, ARRAY_SIZE(top_muxes), node, 556 &mt6795_top_clk_lock, clk_data); 557 if (ret) 558 goto unregister_factors; 559 560 ret = mtk_clk_register_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), base, 561 &mt6795_top_clk_lock, clk_data); 562 if (ret) 563 goto unregister_muxes; 564 565 ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); 566 if (ret) 567 goto unregister_composites; 568 569 return 0; 570 571 unregister_composites: 572 mtk_clk_unregister_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), clk_data); 573 unregister_muxes: 574 mtk_clk_unregister_muxes(top_muxes, ARRAY_SIZE(top_muxes), clk_data); 575 unregister_factors: 576 mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); 577 unregister_fixed_clks: 578 mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data); 579 free_clk_data: 580 mtk_free_clk_data(clk_data); 581 return ret; 582 } 583 584 static int clk_mt6795_topckgen_remove(struct platform_device *pdev) 585 { 586 struct device_node *node = pdev->dev.of_node; 587 struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); 588 589 of_clk_del_provider(node); 590 mtk_clk_unregister_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), clk_data); 591 mtk_clk_unregister_muxes(top_muxes, ARRAY_SIZE(top_muxes), clk_data); 592 mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); 593 mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data); 594 mtk_free_clk_data(clk_data); 595 596 return 0; 597 } 598 599 static struct platform_driver clk_mt6795_topckgen_drv = { 600 .driver = { 601 .name = "clk-mt6795-topckgen", 602 .of_match_table = of_match_clk_mt6795_topckgen, 603 }, 604 .probe = clk_mt6795_topckgen_probe, 605 .remove = clk_mt6795_topckgen_remove, 606 }; 607 module_platform_driver(clk_mt6795_topckgen_drv); 608 609 MODULE_DESCRIPTION("MediaTek MT6795 topckgen clocks driver"); 610 MODULE_LICENSE("GPL"); 611