1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (c) 2016 Icenowy Zheng <icenowy@aosc.io> 4 * 5 */ 6 7#include <linux/clk-provider.h> 8#include <linux/io.h> 9#include <linux/module.h> 10#include <linux/platform_device.h> 11 12#include "ccu_common.h" 13#include "ccu_reset.h" 14 15#include "ccu_div.h" 16#include "ccu_gate.h" 17#include "ccu_mp.h" 18#include "ccu_mult.h" 19#include "ccu_nk.h" 20#include "ccu_nkm.h" 21#include "ccu_nkmp.h" 22#include "ccu_nm.h" 23#include "ccu_phase.h" 24 25#include "ccu-suniv-f1c100s.h" 26 27static struct ccu_nkmp pll_cpu_clk = { 28 .enable = BIT(31), 29 .lock = BIT(28), 30 31 .n = _SUNXI_CCU_MULT(8, 5), 32 .k = _SUNXI_CCU_MULT(4, 2), 33 .m = _SUNXI_CCU_DIV(0, 2), 34 /* MAX is guessed by the BSP table */ 35 .p = _SUNXI_CCU_DIV_MAX(16, 2, 4), 36 37 .common = { 38 .reg = 0x000, 39 .hw.init = CLK_HW_INIT("pll-cpu", "osc24M", 40 &ccu_nkmp_ops, 41 CLK_SET_RATE_UNGATE), 42 }, 43}; 44 45/* 46 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from 47 * the base (2x, 4x and 8x), and one variable divider (the one true 48 * pll audio). 49 * 50 * We don't have any need for the variable divider for now, so we just 51 * hardcode it to match with the clock names 52 */ 53#define SUNIV_PLL_AUDIO_REG 0x008 54 55static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base", 56 "osc24M", 0x008, 57 8, 7, /* N */ 58 0, 5, /* M */ 59 BIT(31), /* gate */ 60 BIT(28), /* lock */ 61 CLK_SET_RATE_UNGATE); 62 63static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video", 64 "osc24M", 0x010, 65 8, 7, /* N */ 66 0, 4, /* M */ 67 BIT(24), /* frac enable */ 68 BIT(25), /* frac select */ 69 270000000, /* frac rate 0 */ 70 297000000, /* frac rate 1 */ 71 BIT(31), /* gate */ 72 BIT(28), /* lock */ 73 CLK_SET_RATE_UNGATE); 74 75static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve", 76 "osc24M", 0x018, 77 8, 7, /* N */ 78 0, 4, /* M */ 79 BIT(24), /* frac enable */ 80 BIT(25), /* frac select */ 81 270000000, /* frac rate 0 */ 82 297000000, /* frac rate 1 */ 83 BIT(31), /* gate */ 84 BIT(28), /* lock */ 85 CLK_SET_RATE_UNGATE); 86 87static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr", 88 "osc24M", 0x020, 89 8, 5, /* N */ 90 4, 2, /* K */ 91 0, 2, /* M */ 92 BIT(31), /* gate */ 93 BIT(28), /* lock */ 94 CLK_IS_CRITICAL); 95 96static struct ccu_nk pll_periph_clk = { 97 .enable = BIT(31), 98 .lock = BIT(28), 99 .k = _SUNXI_CCU_MULT(4, 2), 100 .n = _SUNXI_CCU_MULT(8, 5), 101 .common = { 102 .reg = 0x028, 103 .hw.init = CLK_HW_INIT("pll-periph", "osc24M", 104 &ccu_nk_ops, 0), 105 }, 106}; 107 108static const char * const cpu_parents[] = { "osc32k", "osc24M", 109 "pll-cpu", "pll-cpu" }; 110static SUNXI_CCU_MUX(cpu_clk, "cpu", cpu_parents, 111 0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT); 112 113static const char * const ahb_parents[] = { "osc32k", "osc24M", 114 "cpu", "pll-periph" }; 115static const struct ccu_mux_var_prediv ahb_predivs[] = { 116 { .index = 3, .shift = 6, .width = 2 }, 117}; 118static struct ccu_div ahb_clk = { 119 .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO), 120 121 .mux = { 122 .shift = 12, 123 .width = 2, 124 125 .var_predivs = ahb_predivs, 126 .n_var_predivs = ARRAY_SIZE(ahb_predivs), 127 }, 128 129 .common = { 130 .reg = 0x054, 131 .features = CCU_FEATURE_VARIABLE_PREDIV, 132 .hw.init = CLK_HW_INIT_PARENTS("ahb", 133 ahb_parents, 134 &ccu_div_ops, 135 0), 136 }, 137}; 138 139static struct clk_div_table apb_div_table[] = { 140 { .val = 0, .div = 2 }, 141 { .val = 1, .div = 2 }, 142 { .val = 2, .div = 4 }, 143 { .val = 3, .div = 8 }, 144 { /* Sentinel */ }, 145}; 146static SUNXI_CCU_DIV_TABLE(apb_clk, "apb", "ahb", 147 0x054, 8, 2, apb_div_table, 0); 148 149static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb", 150 0x060, BIT(6), 0); 151static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb", 152 0x060, BIT(8), 0); 153static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb", 154 0x060, BIT(9), 0); 155static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb", 156 0x060, BIT(14), 0); 157static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb", 158 0x060, BIT(20), 0); 159static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb", 160 0x060, BIT(21), 0); 161static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb", 162 0x060, BIT(24), 0); 163 164static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb", 165 0x064, BIT(0), 0); 166static SUNXI_CCU_GATE(bus_lcd_clk, "bus-lcd", "ahb", 167 0x064, BIT(4), 0); 168static SUNXI_CCU_GATE(bus_deinterlace_clk, "bus-deinterlace", "ahb", 169 0x064, BIT(5), 0); 170static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb", 171 0x064, BIT(8), 0); 172static SUNXI_CCU_GATE(bus_tvd_clk, "bus-tvd", "ahb", 173 0x064, BIT(9), 0); 174static SUNXI_CCU_GATE(bus_tve_clk, "bus-tve", "ahb", 175 0x064, BIT(10), 0); 176static SUNXI_CCU_GATE(bus_de_be_clk, "bus-de-be", "ahb", 177 0x064, BIT(12), 0); 178static SUNXI_CCU_GATE(bus_de_fe_clk, "bus-de-fe", "ahb", 179 0x064, BIT(14), 0); 180 181static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb", 182 0x068, BIT(0), 0); 183static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb", 184 0x068, BIT(1), 0); 185static SUNXI_CCU_GATE(bus_ir_clk, "bus-ir", "apb", 186 0x068, BIT(2), 0); 187static SUNXI_CCU_GATE(bus_rsb_clk, "bus-rsb", "apb", 188 0x068, BIT(3), 0); 189static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb", 190 0x068, BIT(12), 0); 191static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb", 192 0x068, BIT(16), 0); 193static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb", 194 0x068, BIT(17), 0); 195static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb", 196 0x068, BIT(18), 0); 197static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb", 198 0x068, BIT(19), 0); 199static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb", 200 0x068, BIT(20), 0); 201static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb", 202 0x068, BIT(21), 0); 203static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb", 204 0x068, BIT(22), 0); 205 206static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" }; 207static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088, 208 0, 4, /* M */ 209 16, 2, /* P */ 210 24, 2, /* mux */ 211 BIT(31), /* gate */ 212 0); 213 214static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0", 215 0x088, 20, 3, 0); 216static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0", 217 0x088, 8, 3, 0); 218 219static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c, 220 0, 4, /* M */ 221 16, 2, /* P */ 222 24, 2, /* mux */ 223 BIT(31), /* gate */ 224 0); 225 226static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1", 227 0x08c, 20, 3, 0); 228static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1", 229 0x08c, 8, 3, 0); 230 231static const char * const i2s_spdif_parents[] = { "pll-audio-8x", 232 "pll-audio-4x", 233 "pll-audio-2x", 234 "pll-audio" }; 235 236static SUNXI_CCU_MUX_WITH_GATE(i2s_clk, "i2s", i2s_spdif_parents, 237 0x0b0, 16, 2, BIT(31), 0); 238 239static SUNXI_CCU_MUX_WITH_GATE(spdif_clk, "spdif", i2s_spdif_parents, 240 0x0b4, 16, 2, BIT(31), 0); 241 242static const char * const ir_parents[] = { "osc32k", "osc24M" }; 243static SUNXI_CCU_MP_WITH_MUX_GATE(ir_clk, "ir", 244 ir_parents, 0x0b8, 245 0, 4, /* M */ 246 16, 2, /* P */ 247 24, 2, /* mux */ 248 BIT(31), /* gate */ 249 0); 250 251static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M", 252 0x0cc, BIT(1), 0); 253 254static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "pll-ddr", 255 0x100, BIT(0), 0); 256static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "pll-ddr", 257 0x100, BIT(1), 0); 258static SUNXI_CCU_GATE(dram_deinterlace_clk, "dram-deinterlace", 259 "pll-ddr", 0x100, BIT(2), 0); 260static SUNXI_CCU_GATE(dram_tvd_clk, "dram-tvd", "pll-ddr", 261 0x100, BIT(3), 0); 262static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe", "pll-ddr", 263 0x100, BIT(24), 0); 264static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be", "pll-ddr", 265 0x100, BIT(26), 0); 266 267static const char * const de_parents[] = { "pll-video", "pll-periph" }; 268static const u8 de_table[] = { 0, 2, }; 269static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be", 270 de_parents, de_table, 271 0x104, 0, 4, 24, 3, BIT(31), 0); 272 273static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe", 274 de_parents, de_table, 275 0x10c, 0, 4, 24, 3, BIT(31), 0); 276 277static const char * const tcon_parents[] = { "pll-video", "pll-video-2x" }; 278static const u8 tcon_table[] = { 0, 2, }; 279static SUNXI_CCU_MUX_TABLE_WITH_GATE(tcon_clk, "tcon", 280 tcon_parents, tcon_table, 281 0x118, 24, 3, BIT(31), 282 CLK_SET_RATE_PARENT); 283 284static const char * const deinterlace_parents[] = { "pll-video", 285 "pll-video-2x" }; 286static const u8 deinterlace_table[] = { 0, 2, }; 287static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(deinterlace_clk, "deinterlace", 288 deinterlace_parents, deinterlace_table, 289 0x11c, 0, 4, 24, 3, BIT(31), 0); 290 291static const char * const tve_clk2_parents[] = { "pll-video", 292 "pll-video-2x" }; 293static const u8 tve_clk2_table[] = { 0, 2, }; 294static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(tve_clk2_clk, "tve-clk2", 295 tve_clk2_parents, tve_clk2_table, 296 0x120, 0, 4, 24, 3, BIT(31), 0); 297static SUNXI_CCU_M_WITH_GATE(tve_clk1_clk, "tve-clk1", "tve-clk2", 298 0x120, 8, 1, BIT(15), 0); 299 300static const char * const tvd_parents[] = { "pll-video", "osc24M", 301 "pll-video-2x" }; 302static SUNXI_CCU_M_WITH_MUX_GATE(tvd_clk, "tvd", tvd_parents, 303 0x124, 0, 4, 24, 3, BIT(31), 0); 304 305static const char * const csi_parents[] = { "pll-video", "osc24M" }; 306static const u8 csi_table[] = { 0, 5, }; 307static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_clk, "csi", csi_parents, csi_table, 308 0x120, 0, 4, 8, 3, BIT(15), 0); 309 310/* 311 * TODO: BSP says the parent is pll-audio, however common sense and experience 312 * told us it should be pll-ve. pll-ve is totally not used in BSP code. 313 */ 314static SUNXI_CCU_GATE(ve_clk, "ve", "pll-audio", 0x13c, BIT(31), 0); 315 316static SUNXI_CCU_GATE(codec_clk, "codec", "pll-audio", 0x140, BIT(31), 0); 317 318static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x144, BIT(31), 0); 319 320static struct ccu_common *suniv_ccu_clks[] = { 321 &pll_cpu_clk.common, 322 &pll_audio_base_clk.common, 323 &pll_video_clk.common, 324 &pll_ve_clk.common, 325 &pll_ddr0_clk.common, 326 &pll_periph_clk.common, 327 &cpu_clk.common, 328 &ahb_clk.common, 329 &apb_clk.common, 330 &bus_dma_clk.common, 331 &bus_mmc0_clk.common, 332 &bus_mmc1_clk.common, 333 &bus_dram_clk.common, 334 &bus_spi0_clk.common, 335 &bus_spi1_clk.common, 336 &bus_otg_clk.common, 337 &bus_ve_clk.common, 338 &bus_lcd_clk.common, 339 &bus_deinterlace_clk.common, 340 &bus_csi_clk.common, 341 &bus_tve_clk.common, 342 &bus_tvd_clk.common, 343 &bus_de_be_clk.common, 344 &bus_de_fe_clk.common, 345 &bus_codec_clk.common, 346 &bus_spdif_clk.common, 347 &bus_ir_clk.common, 348 &bus_rsb_clk.common, 349 &bus_i2s0_clk.common, 350 &bus_i2c0_clk.common, 351 &bus_i2c1_clk.common, 352 &bus_i2c2_clk.common, 353 &bus_pio_clk.common, 354 &bus_uart0_clk.common, 355 &bus_uart1_clk.common, 356 &bus_uart2_clk.common, 357 &mmc0_clk.common, 358 &mmc0_sample_clk.common, 359 &mmc0_output_clk.common, 360 &mmc1_clk.common, 361 &mmc1_sample_clk.common, 362 &mmc1_output_clk.common, 363 &i2s_clk.common, 364 &spdif_clk.common, 365 &ir_clk.common, 366 &usb_phy0_clk.common, 367 &dram_ve_clk.common, 368 &dram_csi_clk.common, 369 &dram_deinterlace_clk.common, 370 &dram_tvd_clk.common, 371 &dram_de_fe_clk.common, 372 &dram_de_be_clk.common, 373 &de_be_clk.common, 374 &de_fe_clk.common, 375 &tcon_clk.common, 376 &deinterlace_clk.common, 377 &tve_clk2_clk.common, 378 &tve_clk1_clk.common, 379 &tvd_clk.common, 380 &csi_clk.common, 381 &ve_clk.common, 382 &codec_clk.common, 383 &avs_clk.common, 384}; 385 386static const struct clk_hw *clk_parent_pll_audio[] = { 387 &pll_audio_base_clk.common.hw 388}; 389 390static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio", 391 clk_parent_pll_audio, 392 4, 1, CLK_SET_RATE_PARENT); 393static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x", 394 clk_parent_pll_audio, 395 2, 1, CLK_SET_RATE_PARENT); 396static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x", 397 clk_parent_pll_audio, 398 1, 1, CLK_SET_RATE_PARENT); 399static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x", 400 clk_parent_pll_audio, 401 1, 2, CLK_SET_RATE_PARENT); 402static CLK_FIXED_FACTOR_HW(pll_video_2x_clk, "pll-video-2x", 403 &pll_video_clk.common.hw, 404 1, 2, 0); 405 406static struct clk_hw_onecell_data suniv_hw_clks = { 407 .hws = { 408 [CLK_PLL_CPU] = &pll_cpu_clk.common.hw, 409 [CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw, 410 [CLK_PLL_AUDIO] = &pll_audio_clk.hw, 411 [CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw, 412 [CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw, 413 [CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw, 414 [CLK_PLL_VIDEO] = &pll_video_clk.common.hw, 415 [CLK_PLL_VIDEO_2X] = &pll_video_2x_clk.hw, 416 [CLK_PLL_VE] = &pll_ve_clk.common.hw, 417 [CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw, 418 [CLK_PLL_PERIPH] = &pll_periph_clk.common.hw, 419 [CLK_CPU] = &cpu_clk.common.hw, 420 [CLK_AHB] = &ahb_clk.common.hw, 421 [CLK_APB] = &apb_clk.common.hw, 422 [CLK_BUS_DMA] = &bus_dma_clk.common.hw, 423 [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw, 424 [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw, 425 [CLK_BUS_DRAM] = &bus_dram_clk.common.hw, 426 [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw, 427 [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw, 428 [CLK_BUS_OTG] = &bus_otg_clk.common.hw, 429 [CLK_BUS_VE] = &bus_ve_clk.common.hw, 430 [CLK_BUS_LCD] = &bus_lcd_clk.common.hw, 431 [CLK_BUS_DEINTERLACE] = &bus_deinterlace_clk.common.hw, 432 [CLK_BUS_CSI] = &bus_csi_clk.common.hw, 433 [CLK_BUS_TVD] = &bus_tvd_clk.common.hw, 434 [CLK_BUS_TVE] = &bus_tve_clk.common.hw, 435 [CLK_BUS_DE_BE] = &bus_de_be_clk.common.hw, 436 [CLK_BUS_DE_FE] = &bus_de_fe_clk.common.hw, 437 [CLK_BUS_CODEC] = &bus_codec_clk.common.hw, 438 [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw, 439 [CLK_BUS_IR] = &bus_ir_clk.common.hw, 440 [CLK_BUS_RSB] = &bus_rsb_clk.common.hw, 441 [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw, 442 [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw, 443 [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw, 444 [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw, 445 [CLK_BUS_PIO] = &bus_pio_clk.common.hw, 446 [CLK_BUS_UART0] = &bus_uart0_clk.common.hw, 447 [CLK_BUS_UART1] = &bus_uart1_clk.common.hw, 448 [CLK_BUS_UART2] = &bus_uart2_clk.common.hw, 449 [CLK_MMC0] = &mmc0_clk.common.hw, 450 [CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw, 451 [CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw, 452 [CLK_MMC1] = &mmc1_clk.common.hw, 453 [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw, 454 [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw, 455 [CLK_I2S] = &i2s_clk.common.hw, 456 [CLK_SPDIF] = &spdif_clk.common.hw, 457 [CLK_IR] = &ir_clk.common.hw, 458 [CLK_USB_PHY0] = &usb_phy0_clk.common.hw, 459 [CLK_DRAM_VE] = &dram_ve_clk.common.hw, 460 [CLK_DRAM_CSI] = &dram_csi_clk.common.hw, 461 [CLK_DRAM_DEINTERLACE] = &dram_deinterlace_clk.common.hw, 462 [CLK_DRAM_TVD] = &dram_tvd_clk.common.hw, 463 [CLK_DRAM_DE_FE] = &dram_de_fe_clk.common.hw, 464 [CLK_DRAM_DE_BE] = &dram_de_be_clk.common.hw, 465 [CLK_DE_BE] = &de_be_clk.common.hw, 466 [CLK_DE_FE] = &de_fe_clk.common.hw, 467 [CLK_TCON] = &tcon_clk.common.hw, 468 [CLK_DEINTERLACE] = &deinterlace_clk.common.hw, 469 [CLK_TVE2_CLK] = &tve_clk2_clk.common.hw, 470 [CLK_TVE1_CLK] = &tve_clk1_clk.common.hw, 471 [CLK_TVD] = &tvd_clk.common.hw, 472 [CLK_CSI] = &csi_clk.common.hw, 473 [CLK_VE] = &ve_clk.common.hw, 474 [CLK_CODEC] = &codec_clk.common.hw, 475 [CLK_AVS] = &avs_clk.common.hw, 476 }, 477 .num = CLK_NUMBER, 478}; 479 480static struct ccu_reset_map suniv_ccu_resets[] = { 481 [RST_USB_PHY0] = { 0x0cc, BIT(0) }, 482 483 [RST_BUS_DMA] = { 0x2c0, BIT(6) }, 484 [RST_BUS_MMC0] = { 0x2c0, BIT(8) }, 485 [RST_BUS_MMC1] = { 0x2c0, BIT(9) }, 486 [RST_BUS_DRAM] = { 0x2c0, BIT(14) }, 487 [RST_BUS_SPI0] = { 0x2c0, BIT(20) }, 488 [RST_BUS_SPI1] = { 0x2c0, BIT(21) }, 489 [RST_BUS_OTG] = { 0x2c0, BIT(24) }, 490 [RST_BUS_VE] = { 0x2c4, BIT(0) }, 491 [RST_BUS_LCD] = { 0x2c4, BIT(4) }, 492 [RST_BUS_DEINTERLACE] = { 0x2c4, BIT(5) }, 493 [RST_BUS_CSI] = { 0x2c4, BIT(8) }, 494 [RST_BUS_TVD] = { 0x2c4, BIT(9) }, 495 [RST_BUS_TVE] = { 0x2c4, BIT(10) }, 496 [RST_BUS_DE_BE] = { 0x2c4, BIT(12) }, 497 [RST_BUS_DE_FE] = { 0x2c4, BIT(14) }, 498 [RST_BUS_CODEC] = { 0x2d0, BIT(0) }, 499 [RST_BUS_SPDIF] = { 0x2d0, BIT(1) }, 500 [RST_BUS_IR] = { 0x2d0, BIT(2) }, 501 [RST_BUS_RSB] = { 0x2d0, BIT(3) }, 502 [RST_BUS_I2S0] = { 0x2d0, BIT(12) }, 503 [RST_BUS_I2C0] = { 0x2d0, BIT(16) }, 504 [RST_BUS_I2C1] = { 0x2d0, BIT(17) }, 505 [RST_BUS_I2C2] = { 0x2d0, BIT(18) }, 506 [RST_BUS_UART0] = { 0x2d0, BIT(20) }, 507 [RST_BUS_UART1] = { 0x2d0, BIT(21) }, 508 [RST_BUS_UART2] = { 0x2d0, BIT(22) }, 509}; 510 511static const struct sunxi_ccu_desc suniv_ccu_desc = { 512 .ccu_clks = suniv_ccu_clks, 513 .num_ccu_clks = ARRAY_SIZE(suniv_ccu_clks), 514 515 .hw_clks = &suniv_hw_clks, 516 517 .resets = suniv_ccu_resets, 518 .num_resets = ARRAY_SIZE(suniv_ccu_resets), 519}; 520 521static struct ccu_pll_nb suniv_pll_cpu_nb = { 522 .common = &pll_cpu_clk.common, 523 /* copy from pll_cpu_clk */ 524 .enable = BIT(31), 525 .lock = BIT(28), 526}; 527 528static struct ccu_mux_nb suniv_cpu_nb = { 529 .common = &cpu_clk.common, 530 .cm = &cpu_clk.mux, 531 .delay_us = 1, /* > 8 clock cycles at 24 MHz */ 532 .bypass_index = 1, /* index of 24 MHz oscillator */ 533}; 534 535static int suniv_f1c100s_ccu_probe(struct platform_device *pdev) 536{ 537 void __iomem *reg; 538 int ret; 539 u32 val; 540 541 reg = devm_platform_ioremap_resource(pdev, 0); 542 if (IS_ERR(reg)) 543 return PTR_ERR(reg); 544 545 /* Force the PLL-Audio-1x divider to 4 */ 546 val = readl(reg + SUNIV_PLL_AUDIO_REG); 547 val &= ~GENMASK(19, 16); 548 writel(val | (3 << 16), reg + SUNIV_PLL_AUDIO_REG); 549 550 ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &suniv_ccu_desc); 551 if (ret) 552 return ret; 553 554 /* Gate then ungate PLL CPU after any rate changes */ 555 ccu_pll_notifier_register(&suniv_pll_cpu_nb); 556 557 /* Reparent CPU during PLL CPU rate changes */ 558 ccu_mux_notifier_register(pll_cpu_clk.common.hw.clk, 559 &suniv_cpu_nb); 560 561 return 0; 562} 563 564static const struct of_device_id suniv_f1c100s_ccu_ids[] = { 565 { .compatible = "allwinner,suniv-f1c100s-ccu" }, 566 { } 567}; 568 569static struct platform_driver suniv_f1c100s_ccu_driver = { 570 .probe = suniv_f1c100s_ccu_probe, 571 .driver = { 572 .name = "suniv-f1c100s-ccu", 573 .suppress_bind_attrs = true, 574 .of_match_table = suniv_f1c100s_ccu_ids, 575 }, 576}; 577module_platform_driver(suniv_f1c100s_ccu_driver); 578 579MODULE_IMPORT_NS(SUNXI_CCU); 580MODULE_LICENSE("GPL"); 581