clk-lgm.c (15793B)
1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (C) 2020 Intel Corporation. 4 * Zhu YiXin <yixin.zhu@intel.com> 5 * Rahul Tanwar <rahul.tanwar@intel.com> 6 */ 7#include <linux/clk-provider.h> 8#include <linux/of.h> 9#include <linux/platform_device.h> 10#include <dt-bindings/clock/intel,lgm-clk.h> 11#include "clk-cgu.h" 12 13#define PLL_DIV_WIDTH 4 14#define PLL_DDIV_WIDTH 3 15 16/* Gate0 clock shift */ 17#define G_C55_SHIFT 7 18#define G_QSPI_SHIFT 9 19#define G_EIP197_SHIFT 11 20#define G_VAULT130_SHIFT 12 21#define G_TOE_SHIFT 13 22#define G_SDXC_SHIFT 14 23#define G_EMMC_SHIFT 15 24#define G_SPIDBG_SHIFT 17 25#define G_DMA3_SHIFT 28 26 27/* Gate1 clock shift */ 28#define G_DMA0_SHIFT 0 29#define G_LEDC0_SHIFT 1 30#define G_LEDC1_SHIFT 2 31#define G_I2S0_SHIFT 3 32#define G_I2S1_SHIFT 4 33#define G_EBU_SHIFT 5 34#define G_PWM_SHIFT 6 35#define G_I2C0_SHIFT 7 36#define G_I2C1_SHIFT 8 37#define G_I2C2_SHIFT 9 38#define G_I2C3_SHIFT 10 39 40#define G_SSC0_SHIFT 12 41#define G_SSC1_SHIFT 13 42#define G_SSC2_SHIFT 14 43#define G_SSC3_SHIFT 15 44 45#define G_GPTC0_SHIFT 17 46#define G_GPTC1_SHIFT 18 47#define G_GPTC2_SHIFT 19 48#define G_GPTC3_SHIFT 20 49 50#define G_ASC0_SHIFT 22 51#define G_ASC1_SHIFT 23 52#define G_ASC2_SHIFT 24 53#define G_ASC3_SHIFT 25 54 55#define G_PCM0_SHIFT 27 56#define G_PCM1_SHIFT 28 57#define G_PCM2_SHIFT 29 58 59/* Gate2 clock shift */ 60#define G_PCIE10_SHIFT 1 61#define G_PCIE11_SHIFT 2 62#define G_PCIE30_SHIFT 3 63#define G_PCIE31_SHIFT 4 64#define G_PCIE20_SHIFT 5 65#define G_PCIE21_SHIFT 6 66#define G_PCIE40_SHIFT 7 67#define G_PCIE41_SHIFT 8 68 69#define G_XPCS0_SHIFT 10 70#define G_XPCS1_SHIFT 11 71#define G_XPCS2_SHIFT 12 72#define G_XPCS3_SHIFT 13 73#define G_SATA0_SHIFT 14 74#define G_SATA1_SHIFT 15 75#define G_SATA2_SHIFT 16 76#define G_SATA3_SHIFT 17 77 78/* Gate3 clock shift */ 79#define G_ARCEM4_SHIFT 0 80#define G_IDMAR1_SHIFT 2 81#define G_IDMAT0_SHIFT 3 82#define G_IDMAT1_SHIFT 4 83#define G_IDMAT2_SHIFT 5 84 85#define G_PPV4_SHIFT 8 86#define G_GSWIPO_SHIFT 9 87#define G_CQEM_SHIFT 10 88#define G_XPCS5_SHIFT 14 89#define G_USB1_SHIFT 25 90#define G_USB2_SHIFT 26 91 92 93/* Register definition */ 94#define CGU_PLL0CZ_CFG0 0x000 95#define CGU_PLL0CM0_CFG0 0x020 96#define CGU_PLL0CM1_CFG0 0x040 97#define CGU_PLL0B_CFG0 0x060 98#define CGU_PLL1_CFG0 0x080 99#define CGU_PLL2_CFG0 0x0A0 100#define CGU_PLLPP_CFG0 0x0C0 101#define CGU_LJPLL3_CFG0 0x0E0 102#define CGU_LJPLL4_CFG0 0x100 103#define CGU_C55_PCMCR 0x18C 104#define CGU_PCMCR 0x190 105#define CGU_IF_CLK1 0x1A0 106#define CGU_IF_CLK2 0x1A4 107#define CGU_GATE0 0x300 108#define CGU_GATE1 0x310 109#define CGU_GATE2 0x320 110#define CGU_GATE3 0x310 111 112#define PLL_DIV(x) ((x) + 0x04) 113#define PLL_SSC(x) ((x) + 0x10) 114 115#define CLK_NR_CLKS (LGM_GCLK_USB2 + 1) 116 117/* 118 * Below table defines the pair's of regval & effective dividers. 119 * It's more efficient to provide an explicit table due to non-linear 120 * relation between values. 121 */ 122static const struct clk_div_table pll_div[] = { 123 { .val = 0, .div = 1 }, 124 { .val = 1, .div = 2 }, 125 { .val = 2, .div = 3 }, 126 { .val = 3, .div = 4 }, 127 { .val = 4, .div = 5 }, 128 { .val = 5, .div = 6 }, 129 { .val = 6, .div = 8 }, 130 { .val = 7, .div = 10 }, 131 { .val = 8, .div = 12 }, 132 { .val = 9, .div = 16 }, 133 { .val = 10, .div = 20 }, 134 { .val = 11, .div = 24 }, 135 { .val = 12, .div = 32 }, 136 { .val = 13, .div = 40 }, 137 { .val = 14, .div = 48 }, 138 { .val = 15, .div = 64 }, 139 {} 140}; 141 142static const struct clk_div_table dcl_div[] = { 143 { .val = 0, .div = 6 }, 144 { .val = 1, .div = 12 }, 145 { .val = 2, .div = 24 }, 146 { .val = 3, .div = 32 }, 147 { .val = 4, .div = 48 }, 148 { .val = 5, .div = 96 }, 149 {} 150}; 151 152static const struct clk_parent_data pll_p[] = { 153 { .fw_name = "osc", .name = "osc" }, 154}; 155static const struct clk_parent_data pllcm_p[] = { 156 { .fw_name = "cpu_cm", .name = "cpu_cm" }, 157}; 158static const struct clk_parent_data emmc_p[] = { 159 { .fw_name = "emmc4", .name = "emmc4" }, 160 { .fw_name = "noc4", .name = "noc4" }, 161}; 162static const struct clk_parent_data sdxc_p[] = { 163 { .fw_name = "sdxc3", .name = "sdxc3" }, 164 { .fw_name = "sdxc2", .name = "sdxc2" }, 165}; 166static const struct clk_parent_data pcm_p[] = { 167 { .fw_name = "v_docsis", .name = "v_docsis" }, 168 { .fw_name = "dcl", .name = "dcl" }, 169}; 170static const struct clk_parent_data cbphy_p[] = { 171 { .fw_name = "dd_serdes", .name = "dd_serdes" }, 172 { .fw_name = "dd_pcie", .name = "dd_pcie" }, 173}; 174 175static const struct lgm_pll_clk_data lgm_pll_clks[] = { 176 LGM_PLL(LGM_CLK_PLL0CZ, "pll0cz", pll_p, CLK_IGNORE_UNUSED, 177 CGU_PLL0CZ_CFG0, TYPE_ROPLL), 178 LGM_PLL(LGM_CLK_PLL0CM0, "pll0cm0", pllcm_p, CLK_IGNORE_UNUSED, 179 CGU_PLL0CM0_CFG0, TYPE_ROPLL), 180 LGM_PLL(LGM_CLK_PLL0CM1, "pll0cm1", pllcm_p, CLK_IGNORE_UNUSED, 181 CGU_PLL0CM1_CFG0, TYPE_ROPLL), 182 LGM_PLL(LGM_CLK_PLL0B, "pll0b", pll_p, CLK_IGNORE_UNUSED, 183 CGU_PLL0B_CFG0, TYPE_ROPLL), 184 LGM_PLL(LGM_CLK_PLL1, "pll1", pll_p, 0, CGU_PLL1_CFG0, TYPE_ROPLL), 185 LGM_PLL(LGM_CLK_PLL2, "pll2", pll_p, CLK_IGNORE_UNUSED, 186 CGU_PLL2_CFG0, TYPE_ROPLL), 187 LGM_PLL(LGM_CLK_PLLPP, "pllpp", pll_p, 0, CGU_PLLPP_CFG0, TYPE_ROPLL), 188 LGM_PLL(LGM_CLK_LJPLL3, "ljpll3", pll_p, 0, CGU_LJPLL3_CFG0, TYPE_LJPLL), 189 LGM_PLL(LGM_CLK_LJPLL4, "ljpll4", pll_p, 0, CGU_LJPLL4_CFG0, TYPE_LJPLL), 190}; 191 192static const struct lgm_clk_branch lgm_branch_clks[] = { 193 LGM_DIV(LGM_CLK_PP_HW, "pp_hw", "pllpp", 0, PLL_DIV(CGU_PLLPP_CFG0), 194 0, PLL_DIV_WIDTH, 24, 1, 0, 0, pll_div), 195 LGM_DIV(LGM_CLK_PP_UC, "pp_uc", "pllpp", 0, PLL_DIV(CGU_PLLPP_CFG0), 196 4, PLL_DIV_WIDTH, 25, 1, 0, 0, pll_div), 197 LGM_DIV(LGM_CLK_PP_FXD, "pp_fxd", "pllpp", 0, PLL_DIV(CGU_PLLPP_CFG0), 198 8, PLL_DIV_WIDTH, 26, 1, 0, 0, pll_div), 199 LGM_DIV(LGM_CLK_PP_TBM, "pp_tbm", "pllpp", 0, PLL_DIV(CGU_PLLPP_CFG0), 200 12, PLL_DIV_WIDTH, 27, 1, 0, 0, pll_div), 201 LGM_DIV(LGM_CLK_DDR, "ddr", "pll2", CLK_IGNORE_UNUSED, 202 PLL_DIV(CGU_PLL2_CFG0), 0, PLL_DIV_WIDTH, 24, 1, 0, 0, 203 pll_div), 204 LGM_DIV(LGM_CLK_CM, "cpu_cm", "pll0cz", 0, PLL_DIV(CGU_PLL0CZ_CFG0), 205 0, PLL_DIV_WIDTH, 24, 1, 0, 0, pll_div), 206 207 LGM_DIV(LGM_CLK_IC, "cpu_ic", "pll0cz", CLK_IGNORE_UNUSED, 208 PLL_DIV(CGU_PLL0CZ_CFG0), 4, PLL_DIV_WIDTH, 25, 209 1, 0, 0, pll_div), 210 211 LGM_DIV(LGM_CLK_SDXC3, "sdxc3", "pll0cz", 0, PLL_DIV(CGU_PLL0CZ_CFG0), 212 8, PLL_DIV_WIDTH, 26, 1, 0, 0, pll_div), 213 214 LGM_DIV(LGM_CLK_CPU0, "cm0", "pll0cm0", 215 CLK_IGNORE_UNUSED, PLL_DIV(CGU_PLL0CM0_CFG0), 216 0, PLL_DIV_WIDTH, 24, 1, 0, 0, pll_div), 217 LGM_DIV(LGM_CLK_CPU1, "cm1", "pll0cm1", 218 CLK_IGNORE_UNUSED, PLL_DIV(CGU_PLL0CM1_CFG0), 219 0, PLL_DIV_WIDTH, 24, 1, 0, 0, pll_div), 220 221 /* 222 * Marking ngi_clk (next generation interconnect) and noc_clk 223 * (network on chip peripheral clk) as critical clocks because 224 * these are shared parent clock sources for many different 225 * peripherals. 226 */ 227 LGM_DIV(LGM_CLK_NGI, "ngi", "pll0b", 228 (CLK_IGNORE_UNUSED|CLK_IS_CRITICAL), PLL_DIV(CGU_PLL0B_CFG0), 229 0, PLL_DIV_WIDTH, 24, 1, 0, 0, pll_div), 230 LGM_DIV(LGM_CLK_NOC4, "noc4", "pll0b", 231 (CLK_IGNORE_UNUSED|CLK_IS_CRITICAL), PLL_DIV(CGU_PLL0B_CFG0), 232 4, PLL_DIV_WIDTH, 25, 1, 0, 0, pll_div), 233 LGM_DIV(LGM_CLK_SW, "switch", "pll0b", 0, PLL_DIV(CGU_PLL0B_CFG0), 234 8, PLL_DIV_WIDTH, 26, 1, 0, 0, pll_div), 235 LGM_DIV(LGM_CLK_QSPI, "qspi", "pll0b", 0, PLL_DIV(CGU_PLL0B_CFG0), 236 12, PLL_DIV_WIDTH, 27, 1, 0, 0, pll_div), 237 LGM_DIV(LGM_CLK_CT, "v_ct", "pll1", 0, PLL_DIV(CGU_PLL1_CFG0), 238 0, PLL_DIV_WIDTH, 24, 1, 0, 0, pll_div), 239 LGM_DIV(LGM_CLK_DSP, "v_dsp", "pll1", 0, PLL_DIV(CGU_PLL1_CFG0), 240 8, PLL_DIV_WIDTH, 26, 1, 0, 0, pll_div), 241 LGM_DIV(LGM_CLK_VIF, "v_ifclk", "pll1", 0, PLL_DIV(CGU_PLL1_CFG0), 242 12, PLL_DIV_WIDTH, 27, 1, 0, 0, pll_div), 243 244 LGM_FIXED_FACTOR(LGM_CLK_EMMC4, "emmc4", "sdxc3", 0, 0, 245 0, 0, 0, 0, 1, 4), 246 LGM_FIXED_FACTOR(LGM_CLK_SDXC2, "sdxc2", "noc4", 0, 0, 247 0, 0, 0, 0, 1, 4), 248 LGM_MUX(LGM_CLK_EMMC, "emmc", emmc_p, 0, CGU_IF_CLK1, 249 0, 1, CLK_MUX_ROUND_CLOSEST, 0), 250 LGM_MUX(LGM_CLK_SDXC, "sdxc", sdxc_p, 0, CGU_IF_CLK1, 251 1, 1, CLK_MUX_ROUND_CLOSEST, 0), 252 LGM_FIXED(LGM_CLK_OSC, "osc", NULL, 0, 0, 0, 0, 0, 40000000, 0), 253 LGM_FIXED(LGM_CLK_SLIC, "slic", NULL, 0, CGU_IF_CLK1, 254 8, 2, CLOCK_FLAG_VAL_INIT, 8192000, 2), 255 LGM_FIXED(LGM_CLK_DOCSIS, "v_docsis", NULL, 0, 0, 0, 0, 0, 16000000, 0), 256 LGM_DIV(LGM_CLK_DCL, "dcl", "v_ifclk", 0, CGU_PCMCR, 257 25, 3, 0, 0, 0, 0, dcl_div), 258 LGM_MUX(LGM_CLK_PCM, "pcm", pcm_p, 0, CGU_C55_PCMCR, 259 0, 1, CLK_MUX_ROUND_CLOSEST, 0), 260 LGM_FIXED_FACTOR(LGM_CLK_DDR_PHY, "ddr_phy", "ddr", 261 CLK_IGNORE_UNUSED, 0, 262 0, 0, 0, 0, 2, 1), 263 LGM_FIXED_FACTOR(LGM_CLK_PONDEF, "pondef", "dd_pool", 264 CLK_SET_RATE_PARENT, 0, 0, 0, 0, 0, 1, 2), 265 LGM_MUX(LGM_CLK_CBPHY0, "cbphy0", cbphy_p, 0, 0, 266 0, 0, MUX_CLK_SW | CLK_MUX_ROUND_CLOSEST, 0), 267 LGM_MUX(LGM_CLK_CBPHY1, "cbphy1", cbphy_p, 0, 0, 268 0, 0, MUX_CLK_SW | CLK_MUX_ROUND_CLOSEST, 0), 269 LGM_MUX(LGM_CLK_CBPHY2, "cbphy2", cbphy_p, 0, 0, 270 0, 0, MUX_CLK_SW | CLK_MUX_ROUND_CLOSEST, 0), 271 LGM_MUX(LGM_CLK_CBPHY3, "cbphy3", cbphy_p, 0, 0, 272 0, 0, MUX_CLK_SW | CLK_MUX_ROUND_CLOSEST, 0), 273 274 LGM_GATE(LGM_GCLK_C55, "g_c55", NULL, 0, CGU_GATE0, 275 G_C55_SHIFT, 0, 0), 276 LGM_GATE(LGM_GCLK_QSPI, "g_qspi", "qspi", 0, CGU_GATE0, 277 G_QSPI_SHIFT, 0, 0), 278 LGM_GATE(LGM_GCLK_EIP197, "g_eip197", NULL, 0, CGU_GATE0, 279 G_EIP197_SHIFT, 0, 0), 280 LGM_GATE(LGM_GCLK_VAULT, "g_vault130", NULL, 0, CGU_GATE0, 281 G_VAULT130_SHIFT, 0, 0), 282 LGM_GATE(LGM_GCLK_TOE, "g_toe", NULL, 0, CGU_GATE0, 283 G_TOE_SHIFT, 0, 0), 284 LGM_GATE(LGM_GCLK_SDXC, "g_sdxc", "sdxc", 0, CGU_GATE0, 285 G_SDXC_SHIFT, 0, 0), 286 LGM_GATE(LGM_GCLK_EMMC, "g_emmc", "emmc", 0, CGU_GATE0, 287 G_EMMC_SHIFT, 0, 0), 288 LGM_GATE(LGM_GCLK_SPI_DBG, "g_spidbg", NULL, 0, CGU_GATE0, 289 G_SPIDBG_SHIFT, 0, 0), 290 LGM_GATE(LGM_GCLK_DMA3, "g_dma3", NULL, 0, CGU_GATE0, 291 G_DMA3_SHIFT, 0, 0), 292 293 LGM_GATE(LGM_GCLK_DMA0, "g_dma0", NULL, 0, CGU_GATE1, 294 G_DMA0_SHIFT, 0, 0), 295 LGM_GATE(LGM_GCLK_LEDC0, "g_ledc0", NULL, 0, CGU_GATE1, 296 G_LEDC0_SHIFT, 0, 0), 297 LGM_GATE(LGM_GCLK_LEDC1, "g_ledc1", NULL, 0, CGU_GATE1, 298 G_LEDC1_SHIFT, 0, 0), 299 LGM_GATE(LGM_GCLK_I2S0, "g_i2s0", NULL, 0, CGU_GATE1, 300 G_I2S0_SHIFT, 0, 0), 301 LGM_GATE(LGM_GCLK_I2S1, "g_i2s1", NULL, 0, CGU_GATE1, 302 G_I2S1_SHIFT, 0, 0), 303 LGM_GATE(LGM_GCLK_EBU, "g_ebu", NULL, 0, CGU_GATE1, 304 G_EBU_SHIFT, 0, 0), 305 LGM_GATE(LGM_GCLK_PWM, "g_pwm", NULL, 0, CGU_GATE1, 306 G_PWM_SHIFT, 0, 0), 307 LGM_GATE(LGM_GCLK_I2C0, "g_i2c0", NULL, 0, CGU_GATE1, 308 G_I2C0_SHIFT, 0, 0), 309 LGM_GATE(LGM_GCLK_I2C1, "g_i2c1", NULL, 0, CGU_GATE1, 310 G_I2C1_SHIFT, 0, 0), 311 LGM_GATE(LGM_GCLK_I2C2, "g_i2c2", NULL, 0, CGU_GATE1, 312 G_I2C2_SHIFT, 0, 0), 313 LGM_GATE(LGM_GCLK_I2C3, "g_i2c3", NULL, 0, CGU_GATE1, 314 G_I2C3_SHIFT, 0, 0), 315 LGM_GATE(LGM_GCLK_SSC0, "g_ssc0", "noc4", 0, CGU_GATE1, 316 G_SSC0_SHIFT, 0, 0), 317 LGM_GATE(LGM_GCLK_SSC1, "g_ssc1", "noc4", 0, CGU_GATE1, 318 G_SSC1_SHIFT, 0, 0), 319 LGM_GATE(LGM_GCLK_SSC2, "g_ssc2", "noc4", 0, CGU_GATE1, 320 G_SSC2_SHIFT, 0, 0), 321 LGM_GATE(LGM_GCLK_SSC3, "g_ssc3", "noc4", 0, CGU_GATE1, 322 G_SSC3_SHIFT, 0, 0), 323 LGM_GATE(LGM_GCLK_GPTC0, "g_gptc0", "noc4", 0, CGU_GATE1, 324 G_GPTC0_SHIFT, 0, 0), 325 LGM_GATE(LGM_GCLK_GPTC1, "g_gptc1", "noc4", 0, CGU_GATE1, 326 G_GPTC1_SHIFT, 0, 0), 327 LGM_GATE(LGM_GCLK_GPTC2, "g_gptc2", "noc4", 0, CGU_GATE1, 328 G_GPTC2_SHIFT, 0, 0), 329 LGM_GATE(LGM_GCLK_GPTC3, "g_gptc3", "osc", 0, CGU_GATE1, 330 G_GPTC3_SHIFT, 0, 0), 331 LGM_GATE(LGM_GCLK_ASC0, "g_asc0", "noc4", 0, CGU_GATE1, 332 G_ASC0_SHIFT, 0, 0), 333 LGM_GATE(LGM_GCLK_ASC1, "g_asc1", "noc4", 0, CGU_GATE1, 334 G_ASC1_SHIFT, 0, 0), 335 LGM_GATE(LGM_GCLK_ASC2, "g_asc2", "noc4", 0, CGU_GATE1, 336 G_ASC2_SHIFT, 0, 0), 337 LGM_GATE(LGM_GCLK_ASC3, "g_asc3", "osc", 0, CGU_GATE1, 338 G_ASC3_SHIFT, 0, 0), 339 LGM_GATE(LGM_GCLK_PCM0, "g_pcm0", NULL, 0, CGU_GATE1, 340 G_PCM0_SHIFT, 0, 0), 341 LGM_GATE(LGM_GCLK_PCM1, "g_pcm1", NULL, 0, CGU_GATE1, 342 G_PCM1_SHIFT, 0, 0), 343 LGM_GATE(LGM_GCLK_PCM2, "g_pcm2", NULL, 0, CGU_GATE1, 344 G_PCM2_SHIFT, 0, 0), 345 346 LGM_GATE(LGM_GCLK_PCIE10, "g_pcie10", NULL, 0, CGU_GATE2, 347 G_PCIE10_SHIFT, 0, 0), 348 LGM_GATE(LGM_GCLK_PCIE11, "g_pcie11", NULL, 0, CGU_GATE2, 349 G_PCIE11_SHIFT, 0, 0), 350 LGM_GATE(LGM_GCLK_PCIE30, "g_pcie30", NULL, 0, CGU_GATE2, 351 G_PCIE30_SHIFT, 0, 0), 352 LGM_GATE(LGM_GCLK_PCIE31, "g_pcie31", NULL, 0, CGU_GATE2, 353 G_PCIE31_SHIFT, 0, 0), 354 LGM_GATE(LGM_GCLK_PCIE20, "g_pcie20", NULL, 0, CGU_GATE2, 355 G_PCIE20_SHIFT, 0, 0), 356 LGM_GATE(LGM_GCLK_PCIE21, "g_pcie21", NULL, 0, CGU_GATE2, 357 G_PCIE21_SHIFT, 0, 0), 358 LGM_GATE(LGM_GCLK_PCIE40, "g_pcie40", NULL, 0, CGU_GATE2, 359 G_PCIE40_SHIFT, 0, 0), 360 LGM_GATE(LGM_GCLK_PCIE41, "g_pcie41", NULL, 0, CGU_GATE2, 361 G_PCIE41_SHIFT, 0, 0), 362 LGM_GATE(LGM_GCLK_XPCS0, "g_xpcs0", NULL, 0, CGU_GATE2, 363 G_XPCS0_SHIFT, 0, 0), 364 LGM_GATE(LGM_GCLK_XPCS1, "g_xpcs1", NULL, 0, CGU_GATE2, 365 G_XPCS1_SHIFT, 0, 0), 366 LGM_GATE(LGM_GCLK_XPCS2, "g_xpcs2", NULL, 0, CGU_GATE2, 367 G_XPCS2_SHIFT, 0, 0), 368 LGM_GATE(LGM_GCLK_XPCS3, "g_xpcs3", NULL, 0, CGU_GATE2, 369 G_XPCS3_SHIFT, 0, 0), 370 LGM_GATE(LGM_GCLK_SATA0, "g_sata0", NULL, 0, CGU_GATE2, 371 G_SATA0_SHIFT, 0, 0), 372 LGM_GATE(LGM_GCLK_SATA1, "g_sata1", NULL, 0, CGU_GATE2, 373 G_SATA1_SHIFT, 0, 0), 374 LGM_GATE(LGM_GCLK_SATA2, "g_sata2", NULL, 0, CGU_GATE2, 375 G_SATA2_SHIFT, 0, 0), 376 LGM_GATE(LGM_GCLK_SATA3, "g_sata3", NULL, 0, CGU_GATE2, 377 G_SATA3_SHIFT, 0, 0), 378 379 LGM_GATE(LGM_GCLK_ARCEM4, "g_arcem4", NULL, 0, CGU_GATE3, 380 G_ARCEM4_SHIFT, 0, 0), 381 LGM_GATE(LGM_GCLK_IDMAR1, "g_idmar1", NULL, 0, CGU_GATE3, 382 G_IDMAR1_SHIFT, 0, 0), 383 LGM_GATE(LGM_GCLK_IDMAT0, "g_idmat0", NULL, 0, CGU_GATE3, 384 G_IDMAT0_SHIFT, 0, 0), 385 LGM_GATE(LGM_GCLK_IDMAT1, "g_idmat1", NULL, 0, CGU_GATE3, 386 G_IDMAT1_SHIFT, 0, 0), 387 LGM_GATE(LGM_GCLK_IDMAT2, "g_idmat2", NULL, 0, CGU_GATE3, 388 G_IDMAT2_SHIFT, 0, 0), 389 LGM_GATE(LGM_GCLK_PPV4, "g_ppv4", NULL, 0, CGU_GATE3, 390 G_PPV4_SHIFT, 0, 0), 391 LGM_GATE(LGM_GCLK_GSWIPO, "g_gswipo", "switch", 0, CGU_GATE3, 392 G_GSWIPO_SHIFT, 0, 0), 393 LGM_GATE(LGM_GCLK_CQEM, "g_cqem", "switch", 0, CGU_GATE3, 394 G_CQEM_SHIFT, 0, 0), 395 LGM_GATE(LGM_GCLK_XPCS5, "g_xpcs5", NULL, 0, CGU_GATE3, 396 G_XPCS5_SHIFT, 0, 0), 397 LGM_GATE(LGM_GCLK_USB1, "g_usb1", NULL, 0, CGU_GATE3, 398 G_USB1_SHIFT, 0, 0), 399 LGM_GATE(LGM_GCLK_USB2, "g_usb2", NULL, 0, CGU_GATE3, 400 G_USB2_SHIFT, 0, 0), 401}; 402 403 404static const struct lgm_clk_ddiv_data lgm_ddiv_clks[] = { 405 LGM_DDIV(LGM_CLK_CML, "dd_cml", "ljpll3", 0, 406 PLL_DIV(CGU_LJPLL3_CFG0), 0, PLL_DDIV_WIDTH, 407 3, PLL_DDIV_WIDTH, 24, 1, 29, 0), 408 LGM_DDIV(LGM_CLK_SERDES, "dd_serdes", "ljpll3", 0, 409 PLL_DIV(CGU_LJPLL3_CFG0), 6, PLL_DDIV_WIDTH, 410 9, PLL_DDIV_WIDTH, 25, 1, 28, 0), 411 LGM_DDIV(LGM_CLK_POOL, "dd_pool", "ljpll3", 0, 412 PLL_DIV(CGU_LJPLL3_CFG0), 12, PLL_DDIV_WIDTH, 413 15, PLL_DDIV_WIDTH, 26, 1, 28, 0), 414 LGM_DDIV(LGM_CLK_PTP, "dd_ptp", "ljpll3", 0, 415 PLL_DIV(CGU_LJPLL3_CFG0), 18, PLL_DDIV_WIDTH, 416 21, PLL_DDIV_WIDTH, 27, 1, 28, 0), 417 LGM_DDIV(LGM_CLK_PCIE, "dd_pcie", "ljpll4", 0, 418 PLL_DIV(CGU_LJPLL4_CFG0), 0, PLL_DDIV_WIDTH, 419 3, PLL_DDIV_WIDTH, 24, 1, 29, 0), 420}; 421 422static int lgm_cgu_probe(struct platform_device *pdev) 423{ 424 struct lgm_clk_provider *ctx; 425 struct device *dev = &pdev->dev; 426 struct device_node *np = dev->of_node; 427 int ret; 428 429 ctx = devm_kzalloc(dev, struct_size(ctx, clk_data.hws, CLK_NR_CLKS), 430 GFP_KERNEL); 431 if (!ctx) 432 return -ENOMEM; 433 434 ctx->clk_data.num = CLK_NR_CLKS; 435 436 ctx->membase = devm_platform_ioremap_resource(pdev, 0); 437 if (IS_ERR(ctx->membase)) 438 return PTR_ERR(ctx->membase); 439 440 ctx->np = np; 441 ctx->dev = dev; 442 spin_lock_init(&ctx->lock); 443 444 ret = lgm_clk_register_plls(ctx, lgm_pll_clks, 445 ARRAY_SIZE(lgm_pll_clks)); 446 if (ret) 447 return ret; 448 449 ret = lgm_clk_register_branches(ctx, lgm_branch_clks, 450 ARRAY_SIZE(lgm_branch_clks)); 451 if (ret) 452 return ret; 453 454 ret = lgm_clk_register_ddiv(ctx, lgm_ddiv_clks, 455 ARRAY_SIZE(lgm_ddiv_clks)); 456 if (ret) 457 return ret; 458 459 return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, 460 &ctx->clk_data); 461} 462 463static const struct of_device_id of_lgm_cgu_match[] = { 464 { .compatible = "intel,cgu-lgm" }, 465 {} 466}; 467 468static struct platform_driver lgm_cgu_driver = { 469 .probe = lgm_cgu_probe, 470 .driver = { 471 .name = "cgu-lgm", 472 .of_match_table = of_lgm_cgu_match, 473 }, 474}; 475builtin_platform_driver(lgm_cgu_driver);