1 /* 2 * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 17 #include <linux/io.h> 18 #include <linux/delay.h> 19 #include <linux/clk-provider.h> 20 #include <linux/clkdev.h> 21 #include <linux/of.h> 22 #include <linux/of_address.h> 23 #include <linux/clk/tegra.h> 24 25 #include <soc/tegra/pmc.h> 26 27 #include <dt-bindings/clock/tegra30-car.h> 28 29 #include "clk.h" 30 #include "clk-id.h" 31 32 #define OSC_CTRL 0x50 33 #define OSC_CTRL_OSC_FREQ_MASK (0xF<<28) 34 #define OSC_CTRL_OSC_FREQ_13MHZ (0X0<<28) 35 #define OSC_CTRL_OSC_FREQ_19_2MHZ (0X4<<28) 36 #define OSC_CTRL_OSC_FREQ_12MHZ (0X8<<28) 37 #define OSC_CTRL_OSC_FREQ_26MHZ (0XC<<28) 38 #define OSC_CTRL_OSC_FREQ_16_8MHZ (0X1<<28) 39 #define OSC_CTRL_OSC_FREQ_38_4MHZ (0X5<<28) 40 #define OSC_CTRL_OSC_FREQ_48MHZ (0X9<<28) 41 #define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK) 42 43 #define OSC_CTRL_PLL_REF_DIV_MASK (3<<26) 44 #define OSC_CTRL_PLL_REF_DIV_1 (0<<26) 45 #define OSC_CTRL_PLL_REF_DIV_2 (1<<26) 46 #define OSC_CTRL_PLL_REF_DIV_4 (2<<26) 47 48 #define OSC_FREQ_DET 0x58 49 #define OSC_FREQ_DET_TRIG BIT(31) 50 51 #define OSC_FREQ_DET_STATUS 0x5c 52 #define OSC_FREQ_DET_BUSY BIT(31) 53 #define OSC_FREQ_DET_CNT_MASK 0xffff 54 55 #define CCLKG_BURST_POLICY 0x368 56 #define SUPER_CCLKG_DIVIDER 0x36c 57 #define CCLKLP_BURST_POLICY 0x370 58 #define SUPER_CCLKLP_DIVIDER 0x374 59 #define SCLK_BURST_POLICY 0x028 60 #define SUPER_SCLK_DIVIDER 0x02c 61 62 #define SYSTEM_CLK_RATE 0x030 63 64 #define TEGRA30_CLK_PERIPH_BANKS 5 65 66 #define PLLC_BASE 0x80 67 #define PLLC_MISC 0x8c 68 #define PLLM_BASE 0x90 69 #define PLLM_MISC 0x9c 70 #define PLLP_BASE 0xa0 71 #define PLLP_MISC 0xac 72 #define PLLX_BASE 0xe0 73 #define PLLX_MISC 0xe4 74 #define PLLD_BASE 0xd0 75 #define PLLD_MISC 0xdc 76 #define PLLD2_BASE 0x4b8 77 #define PLLD2_MISC 0x4bc 78 #define PLLE_BASE 0xe8 79 #define PLLE_MISC 0xec 80 #define PLLA_BASE 0xb0 81 #define PLLA_MISC 0xbc 82 #define PLLU_BASE 0xc0 83 #define PLLU_MISC 0xcc 84 85 #define PLL_MISC_LOCK_ENABLE 18 86 #define PLLDU_MISC_LOCK_ENABLE 22 87 #define PLLE_MISC_LOCK_ENABLE 9 88 89 #define PLL_BASE_LOCK BIT(27) 90 #define PLLE_MISC_LOCK BIT(11) 91 92 #define PLLE_AUX 0x48c 93 #define PLLC_OUT 0x84 94 #define PLLM_OUT 0x94 95 #define PLLP_OUTA 0xa4 96 #define PLLP_OUTB 0xa8 97 #define PLLA_OUT 0xb4 98 99 #define AUDIO_SYNC_CLK_I2S0 0x4a0 100 #define AUDIO_SYNC_CLK_I2S1 0x4a4 101 #define AUDIO_SYNC_CLK_I2S2 0x4a8 102 #define AUDIO_SYNC_CLK_I2S3 0x4ac 103 #define AUDIO_SYNC_CLK_I2S4 0x4b0 104 #define AUDIO_SYNC_CLK_SPDIF 0x4b4 105 106 #define CLK_SOURCE_SPDIF_OUT 0x108 107 #define CLK_SOURCE_PWM 0x110 108 #define CLK_SOURCE_D_AUDIO 0x3d0 109 #define CLK_SOURCE_DAM0 0x3d8 110 #define CLK_SOURCE_DAM1 0x3dc 111 #define CLK_SOURCE_DAM2 0x3e0 112 #define CLK_SOURCE_3D2 0x3b0 113 #define CLK_SOURCE_2D 0x15c 114 #define CLK_SOURCE_HDMI 0x18c 115 #define CLK_SOURCE_DSIB 0xd0 116 #define CLK_SOURCE_SE 0x42c 117 #define CLK_SOURCE_EMC 0x19c 118 119 #define AUDIO_SYNC_DOUBLER 0x49c 120 121 #define UTMIP_PLL_CFG2 0x488 122 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6) 123 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) 124 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) 125 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) 126 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) 127 128 #define UTMIP_PLL_CFG1 0x484 129 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6) 130 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) 131 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) 132 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) 133 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) 134 135 /* Tegra CPU clock and reset control regs */ 136 #define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0x4c 137 #define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0x340 138 #define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0x344 139 #define TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR 0x34c 140 #define TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 141 142 #define CPU_CLOCK(cpu) (0x1 << (8 + cpu)) 143 #define CPU_RESET(cpu) (0x1111ul << (cpu)) 144 145 #define CLK_RESET_CCLK_BURST 0x20 146 #define CLK_RESET_CCLK_DIVIDER 0x24 147 #define CLK_RESET_PLLX_BASE 0xe0 148 #define CLK_RESET_PLLX_MISC 0xe4 149 150 #define CLK_RESET_SOURCE_CSITE 0x1d4 151 152 #define CLK_RESET_CCLK_BURST_POLICY_SHIFT 28 153 #define CLK_RESET_CCLK_RUN_POLICY_SHIFT 4 154 #define CLK_RESET_CCLK_IDLE_POLICY_SHIFT 0 155 #define CLK_RESET_CCLK_IDLE_POLICY 1 156 #define CLK_RESET_CCLK_RUN_POLICY 2 157 #define CLK_RESET_CCLK_BURST_POLICY_PLLX 8 158 159 /* PLLM override registers */ 160 #define PMC_PLLM_WB0_OVERRIDE 0x1dc 161 162 #ifdef CONFIG_PM_SLEEP 163 static struct cpu_clk_suspend_context { 164 u32 pllx_misc; 165 u32 pllx_base; 166 167 u32 cpu_burst; 168 u32 clk_csite_src; 169 u32 cclk_divider; 170 } tegra30_cpu_clk_sctx; 171 #endif 172 173 static void __iomem *clk_base; 174 static void __iomem *pmc_base; 175 static unsigned long input_freq; 176 177 static DEFINE_SPINLOCK(cml_lock); 178 static DEFINE_SPINLOCK(pll_d_lock); 179 static DEFINE_SPINLOCK(emc_lock); 180 181 #define TEGRA_INIT_DATA_MUX(_name, _parents, _offset, \ 182 _clk_num, _gate_flags, _clk_id) \ 183 TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \ 184 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, \ 185 _clk_num, _gate_flags, _clk_id) 186 187 #define TEGRA_INIT_DATA_MUX8(_name, _parents, _offset, \ 188 _clk_num, _gate_flags, _clk_id) \ 189 TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \ 190 29, 3, 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, \ 191 _clk_num, _gate_flags, _clk_id) 192 193 #define TEGRA_INIT_DATA_INT(_name, _parents, _offset, \ 194 _clk_num, _gate_flags, _clk_id) \ 195 TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \ 196 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT | \ 197 TEGRA_DIVIDER_ROUND_UP, _clk_num, \ 198 _gate_flags, _clk_id) 199 200 #define TEGRA_INIT_DATA_NODIV(_name, _parents, _offset, \ 201 _mux_shift, _mux_width, _clk_num, \ 202 _gate_flags, _clk_id) \ 203 TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \ 204 _mux_shift, _mux_width, 0, 0, 0, 0, 0,\ 205 _clk_num, _gate_flags, \ 206 _clk_id) 207 208 static struct clk **clks; 209 210 /* 211 * Structure defining the fields for USB UTMI clocks Parameters. 212 */ 213 struct utmi_clk_param { 214 /* Oscillator Frequency in KHz */ 215 u32 osc_frequency; 216 /* UTMIP PLL Enable Delay Count */ 217 u8 enable_delay_count; 218 /* UTMIP PLL Stable count */ 219 u8 stable_count; 220 /* UTMIP PLL Active delay count */ 221 u8 active_delay_count; 222 /* UTMIP PLL Xtal frequency count */ 223 u8 xtal_freq_count; 224 }; 225 226 static const struct utmi_clk_param utmi_parameters[] = { 227 { 228 .osc_frequency = 13000000, .enable_delay_count = 0x02, 229 .stable_count = 0x33, .active_delay_count = 0x05, 230 .xtal_freq_count = 0x7f 231 }, { 232 .osc_frequency = 19200000, .enable_delay_count = 0x03, 233 .stable_count = 0x4b, .active_delay_count = 0x06, 234 .xtal_freq_count = 0xbb 235 }, { 236 .osc_frequency = 12000000, .enable_delay_count = 0x02, 237 .stable_count = 0x2f, .active_delay_count = 0x04, 238 .xtal_freq_count = 0x76 239 }, { 240 .osc_frequency = 26000000, .enable_delay_count = 0x04, 241 .stable_count = 0x66, .active_delay_count = 0x09, 242 .xtal_freq_count = 0xfe 243 }, { 244 .osc_frequency = 16800000, .enable_delay_count = 0x03, 245 .stable_count = 0x41, .active_delay_count = 0x0a, 246 .xtal_freq_count = 0xa4 247 }, 248 }; 249 250 static struct tegra_clk_pll_freq_table pll_c_freq_table[] = { 251 { 12000000, 1040000000, 520, 6, 1, 8 }, 252 { 13000000, 1040000000, 480, 6, 1, 8 }, 253 { 16800000, 1040000000, 495, 8, 1, 8 }, /* actual: 1039.5 MHz */ 254 { 19200000, 1040000000, 325, 6, 1, 6 }, 255 { 26000000, 1040000000, 520, 13, 1, 8 }, 256 { 12000000, 832000000, 416, 6, 1, 8 }, 257 { 13000000, 832000000, 832, 13, 1, 8 }, 258 { 16800000, 832000000, 396, 8, 1, 8 }, /* actual: 831.6 MHz */ 259 { 19200000, 832000000, 260, 6, 1, 8 }, 260 { 26000000, 832000000, 416, 13, 1, 8 }, 261 { 12000000, 624000000, 624, 12, 1, 8 }, 262 { 13000000, 624000000, 624, 13, 1, 8 }, 263 { 16800000, 600000000, 520, 14, 1, 8 }, 264 { 19200000, 624000000, 520, 16, 1, 8 }, 265 { 26000000, 624000000, 624, 26, 1, 8 }, 266 { 12000000, 600000000, 600, 12, 1, 8 }, 267 { 13000000, 600000000, 600, 13, 1, 8 }, 268 { 16800000, 600000000, 500, 14, 1, 8 }, 269 { 19200000, 600000000, 375, 12, 1, 6 }, 270 { 26000000, 600000000, 600, 26, 1, 8 }, 271 { 12000000, 520000000, 520, 12, 1, 8 }, 272 { 13000000, 520000000, 520, 13, 1, 8 }, 273 { 16800000, 520000000, 495, 16, 1, 8 }, /* actual: 519.75 MHz */ 274 { 19200000, 520000000, 325, 12, 1, 6 }, 275 { 26000000, 520000000, 520, 26, 1, 8 }, 276 { 12000000, 416000000, 416, 12, 1, 8 }, 277 { 13000000, 416000000, 416, 13, 1, 8 }, 278 { 16800000, 416000000, 396, 16, 1, 8 }, /* actual: 415.8 MHz */ 279 { 19200000, 416000000, 260, 12, 1, 6 }, 280 { 26000000, 416000000, 416, 26, 1, 8 }, 281 { 0, 0, 0, 0, 0, 0 }, 282 }; 283 284 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { 285 { 12000000, 666000000, 666, 12, 1, 8 }, 286 { 13000000, 666000000, 666, 13, 1, 8 }, 287 { 16800000, 666000000, 555, 14, 1, 8 }, 288 { 19200000, 666000000, 555, 16, 1, 8 }, 289 { 26000000, 666000000, 666, 26, 1, 8 }, 290 { 12000000, 600000000, 600, 12, 1, 8 }, 291 { 13000000, 600000000, 600, 13, 1, 8 }, 292 { 16800000, 600000000, 500, 14, 1, 8 }, 293 { 19200000, 600000000, 375, 12, 1, 6 }, 294 { 26000000, 600000000, 600, 26, 1, 8 }, 295 { 0, 0, 0, 0, 0, 0 }, 296 }; 297 298 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 299 { 12000000, 216000000, 432, 12, 2, 8 }, 300 { 13000000, 216000000, 432, 13, 2, 8 }, 301 { 16800000, 216000000, 360, 14, 2, 8 }, 302 { 19200000, 216000000, 360, 16, 2, 8 }, 303 { 26000000, 216000000, 432, 26, 2, 8 }, 304 { 0, 0, 0, 0, 0, 0 }, 305 }; 306 307 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { 308 { 9600000, 564480000, 294, 5, 1, 4 }, 309 { 9600000, 552960000, 288, 5, 1, 4 }, 310 { 9600000, 24000000, 5, 2, 1, 1 }, 311 { 28800000, 56448000, 49, 25, 1, 1 }, 312 { 28800000, 73728000, 64, 25, 1, 1 }, 313 { 28800000, 24000000, 5, 6, 1, 1 }, 314 { 0, 0, 0, 0, 0, 0 }, 315 }; 316 317 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 318 { 12000000, 216000000, 216, 12, 1, 4 }, 319 { 13000000, 216000000, 216, 13, 1, 4 }, 320 { 16800000, 216000000, 180, 14, 1, 4 }, 321 { 19200000, 216000000, 180, 16, 1, 4 }, 322 { 26000000, 216000000, 216, 26, 1, 4 }, 323 { 12000000, 594000000, 594, 12, 1, 8 }, 324 { 13000000, 594000000, 594, 13, 1, 8 }, 325 { 16800000, 594000000, 495, 14, 1, 8 }, 326 { 19200000, 594000000, 495, 16, 1, 8 }, 327 { 26000000, 594000000, 594, 26, 1, 8 }, 328 { 12000000, 1000000000, 1000, 12, 1, 12 }, 329 { 13000000, 1000000000, 1000, 13, 1, 12 }, 330 { 19200000, 1000000000, 625, 12, 1, 8 }, 331 { 26000000, 1000000000, 1000, 26, 1, 12 }, 332 { 0, 0, 0, 0, 0, 0 }, 333 }; 334 335 static const struct pdiv_map pllu_p[] = { 336 { .pdiv = 1, .hw_val = 1 }, 337 { .pdiv = 2, .hw_val = 0 }, 338 { .pdiv = 0, .hw_val = 0 }, 339 }; 340 341 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { 342 { 12000000, 480000000, 960, 12, 2, 12 }, 343 { 13000000, 480000000, 960, 13, 2, 12 }, 344 { 16800000, 480000000, 400, 7, 2, 5 }, 345 { 19200000, 480000000, 200, 4, 2, 3 }, 346 { 26000000, 480000000, 960, 26, 2, 12 }, 347 { 0, 0, 0, 0, 0, 0 }, 348 }; 349 350 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { 351 /* 1.7 GHz */ 352 { 12000000, 1700000000, 850, 6, 1, 8 }, 353 { 13000000, 1700000000, 915, 7, 1, 8 }, /* actual: 1699.2 MHz */ 354 { 16800000, 1700000000, 708, 7, 1, 8 }, /* actual: 1699.2 MHz */ 355 { 19200000, 1700000000, 885, 10, 1, 8 }, /* actual: 1699.2 MHz */ 356 { 26000000, 1700000000, 850, 13, 1, 8 }, 357 /* 1.6 GHz */ 358 { 12000000, 1600000000, 800, 6, 1, 8 }, 359 { 13000000, 1600000000, 738, 6, 1, 8 }, /* actual: 1599.0 MHz */ 360 { 16800000, 1600000000, 857, 9, 1, 8 }, /* actual: 1599.7 MHz */ 361 { 19200000, 1600000000, 500, 6, 1, 8 }, 362 { 26000000, 1600000000, 800, 13, 1, 8 }, 363 /* 1.5 GHz */ 364 { 12000000, 1500000000, 750, 6, 1, 8 }, 365 { 13000000, 1500000000, 923, 8, 1, 8 }, /* actual: 1499.8 MHz */ 366 { 16800000, 1500000000, 625, 7, 1, 8 }, 367 { 19200000, 1500000000, 625, 8, 1, 8 }, 368 { 26000000, 1500000000, 750, 13, 1, 8 }, 369 /* 1.4 GHz */ 370 { 12000000, 1400000000, 700, 6, 1, 8 }, 371 { 13000000, 1400000000, 969, 9, 1, 8 }, /* actual: 1399.7 MHz */ 372 { 16800000, 1400000000, 1000, 12, 1, 8 }, 373 { 19200000, 1400000000, 875, 12, 1, 8 }, 374 { 26000000, 1400000000, 700, 13, 1, 8 }, 375 /* 1.3 GHz */ 376 { 12000000, 1300000000, 975, 9, 1, 8 }, 377 { 13000000, 1300000000, 1000, 10, 1, 8 }, 378 { 16800000, 1300000000, 928, 12, 1, 8 }, /* actual: 1299.2 MHz */ 379 { 19200000, 1300000000, 812, 12, 1, 8 }, /* actual: 1299.2 MHz */ 380 { 26000000, 1300000000, 650, 13, 1, 8 }, 381 /* 1.2 GHz */ 382 { 12000000, 1200000000, 1000, 10, 1, 8 }, 383 { 13000000, 1200000000, 923, 10, 1, 8 }, /* actual: 1199.9 MHz */ 384 { 16800000, 1200000000, 1000, 14, 1, 8 }, 385 { 19200000, 1200000000, 1000, 16, 1, 8 }, 386 { 26000000, 1200000000, 600, 13, 1, 8 }, 387 /* 1.1 GHz */ 388 { 12000000, 1100000000, 825, 9, 1, 8 }, 389 { 13000000, 1100000000, 846, 10, 1, 8 }, /* actual: 1099.8 MHz */ 390 { 16800000, 1100000000, 982, 15, 1, 8 }, /* actual: 1099.8 MHz */ 391 { 19200000, 1100000000, 859, 15, 1, 8 }, /* actual: 1099.5 MHz */ 392 { 26000000, 1100000000, 550, 13, 1, 8 }, 393 /* 1 GHz */ 394 { 12000000, 1000000000, 1000, 12, 1, 8 }, 395 { 13000000, 1000000000, 1000, 13, 1, 8 }, 396 { 16800000, 1000000000, 833, 14, 1, 8 }, /* actual: 999.6 MHz */ 397 { 19200000, 1000000000, 625, 12, 1, 8 }, 398 { 26000000, 1000000000, 1000, 26, 1, 8 }, 399 { 0, 0, 0, 0, 0, 0 }, 400 }; 401 402 static const struct pdiv_map plle_p[] = { 403 { .pdiv = 18, .hw_val = 18 }, 404 { .pdiv = 24, .hw_val = 24 }, 405 { .pdiv = 0, .hw_val = 0 }, 406 }; 407 408 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { 409 /* PLLE special case: use cpcon field to store cml divider value */ 410 { 12000000, 100000000, 150, 1, 18, 11 }, 411 { 216000000, 100000000, 200, 18, 24, 13 }, 412 { 0, 0, 0, 0, 0, 0 }, 413 }; 414 415 /* PLL parameters */ 416 static struct tegra_clk_pll_params pll_c_params = { 417 .input_min = 2000000, 418 .input_max = 31000000, 419 .cf_min = 1000000, 420 .cf_max = 6000000, 421 .vco_min = 20000000, 422 .vco_max = 1400000000, 423 .base_reg = PLLC_BASE, 424 .misc_reg = PLLC_MISC, 425 .lock_mask = PLL_BASE_LOCK, 426 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 427 .lock_delay = 300, 428 .freq_table = pll_c_freq_table, 429 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK | 430 TEGRA_PLL_HAS_LOCK_ENABLE, 431 }; 432 433 static struct div_nmp pllm_nmp = { 434 .divn_shift = 8, 435 .divn_width = 10, 436 .override_divn_shift = 5, 437 .divm_shift = 0, 438 .divm_width = 5, 439 .override_divm_shift = 0, 440 .divp_shift = 20, 441 .divp_width = 3, 442 .override_divp_shift = 15, 443 }; 444 445 static struct tegra_clk_pll_params pll_m_params = { 446 .input_min = 2000000, 447 .input_max = 31000000, 448 .cf_min = 1000000, 449 .cf_max = 6000000, 450 .vco_min = 20000000, 451 .vco_max = 1200000000, 452 .base_reg = PLLM_BASE, 453 .misc_reg = PLLM_MISC, 454 .lock_mask = PLL_BASE_LOCK, 455 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 456 .lock_delay = 300, 457 .div_nmp = &pllm_nmp, 458 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, 459 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE, 460 .freq_table = pll_m_freq_table, 461 .flags = TEGRA_PLLM | TEGRA_PLL_HAS_CPCON | 462 TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK | 463 TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_FIXED, 464 }; 465 466 static struct tegra_clk_pll_params pll_p_params = { 467 .input_min = 2000000, 468 .input_max = 31000000, 469 .cf_min = 1000000, 470 .cf_max = 6000000, 471 .vco_min = 20000000, 472 .vco_max = 1400000000, 473 .base_reg = PLLP_BASE, 474 .misc_reg = PLLP_MISC, 475 .lock_mask = PLL_BASE_LOCK, 476 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 477 .lock_delay = 300, 478 .freq_table = pll_p_freq_table, 479 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK | 480 TEGRA_PLL_HAS_LOCK_ENABLE, 481 .fixed_rate = 408000000, 482 }; 483 484 static struct tegra_clk_pll_params pll_a_params = { 485 .input_min = 2000000, 486 .input_max = 31000000, 487 .cf_min = 1000000, 488 .cf_max = 6000000, 489 .vco_min = 20000000, 490 .vco_max = 1400000000, 491 .base_reg = PLLA_BASE, 492 .misc_reg = PLLA_MISC, 493 .lock_mask = PLL_BASE_LOCK, 494 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 495 .lock_delay = 300, 496 .freq_table = pll_a_freq_table, 497 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK | 498 TEGRA_PLL_HAS_LOCK_ENABLE, 499 }; 500 501 static struct tegra_clk_pll_params pll_d_params = { 502 .input_min = 2000000, 503 .input_max = 40000000, 504 .cf_min = 1000000, 505 .cf_max = 6000000, 506 .vco_min = 40000000, 507 .vco_max = 1000000000, 508 .base_reg = PLLD_BASE, 509 .misc_reg = PLLD_MISC, 510 .lock_mask = PLL_BASE_LOCK, 511 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 512 .lock_delay = 1000, 513 .freq_table = pll_d_freq_table, 514 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 515 TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 516 }; 517 518 static struct tegra_clk_pll_params pll_d2_params = { 519 .input_min = 2000000, 520 .input_max = 40000000, 521 .cf_min = 1000000, 522 .cf_max = 6000000, 523 .vco_min = 40000000, 524 .vco_max = 1000000000, 525 .base_reg = PLLD2_BASE, 526 .misc_reg = PLLD2_MISC, 527 .lock_mask = PLL_BASE_LOCK, 528 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 529 .lock_delay = 1000, 530 .freq_table = pll_d_freq_table, 531 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 532 TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 533 }; 534 535 static struct tegra_clk_pll_params pll_u_params = { 536 .input_min = 2000000, 537 .input_max = 40000000, 538 .cf_min = 1000000, 539 .cf_max = 6000000, 540 .vco_min = 48000000, 541 .vco_max = 960000000, 542 .base_reg = PLLU_BASE, 543 .misc_reg = PLLU_MISC, 544 .lock_mask = PLL_BASE_LOCK, 545 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 546 .lock_delay = 1000, 547 .pdiv_tohw = pllu_p, 548 .freq_table = pll_u_freq_table, 549 .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 550 TEGRA_PLL_HAS_LOCK_ENABLE, 551 }; 552 553 static struct tegra_clk_pll_params pll_x_params = { 554 .input_min = 2000000, 555 .input_max = 31000000, 556 .cf_min = 1000000, 557 .cf_max = 6000000, 558 .vco_min = 20000000, 559 .vco_max = 1700000000, 560 .base_reg = PLLX_BASE, 561 .misc_reg = PLLX_MISC, 562 .lock_mask = PLL_BASE_LOCK, 563 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, 564 .lock_delay = 300, 565 .freq_table = pll_x_freq_table, 566 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_DCCON | 567 TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, 568 }; 569 570 static struct tegra_clk_pll_params pll_e_params = { 571 .input_min = 12000000, 572 .input_max = 216000000, 573 .cf_min = 12000000, 574 .cf_max = 12000000, 575 .vco_min = 1200000000, 576 .vco_max = 2400000000U, 577 .base_reg = PLLE_BASE, 578 .misc_reg = PLLE_MISC, 579 .lock_mask = PLLE_MISC_LOCK, 580 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, 581 .lock_delay = 300, 582 .pdiv_tohw = plle_p, 583 .freq_table = pll_e_freq_table, 584 .flags = TEGRA_PLLE_CONFIGURE | TEGRA_PLL_FIXED | 585 TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_LOCK_MISC, 586 .fixed_rate = 100000000, 587 }; 588 589 static unsigned long tegra30_input_freq[] = { 590 [ 0] = 13000000, 591 [ 1] = 16800000, 592 [ 4] = 19200000, 593 [ 5] = 38400000, 594 [ 8] = 12000000, 595 [ 9] = 48000000, 596 [12] = 26000000, 597 }; 598 599 static struct tegra_devclk devclks[] __initdata = { 600 { .con_id = "pll_c", .dt_id = TEGRA30_CLK_PLL_C }, 601 { .con_id = "pll_c_out1", .dt_id = TEGRA30_CLK_PLL_C_OUT1 }, 602 { .con_id = "pll_p", .dt_id = TEGRA30_CLK_PLL_P }, 603 { .con_id = "pll_p_out1", .dt_id = TEGRA30_CLK_PLL_P_OUT1 }, 604 { .con_id = "pll_p_out2", .dt_id = TEGRA30_CLK_PLL_P_OUT2 }, 605 { .con_id = "pll_p_out3", .dt_id = TEGRA30_CLK_PLL_P_OUT3 }, 606 { .con_id = "pll_p_out4", .dt_id = TEGRA30_CLK_PLL_P_OUT4 }, 607 { .con_id = "pll_m", .dt_id = TEGRA30_CLK_PLL_M }, 608 { .con_id = "pll_m_out1", .dt_id = TEGRA30_CLK_PLL_M_OUT1 }, 609 { .con_id = "pll_x", .dt_id = TEGRA30_CLK_PLL_X }, 610 { .con_id = "pll_x_out0", .dt_id = TEGRA30_CLK_PLL_X_OUT0 }, 611 { .con_id = "pll_u", .dt_id = TEGRA30_CLK_PLL_U }, 612 { .con_id = "pll_d", .dt_id = TEGRA30_CLK_PLL_D }, 613 { .con_id = "pll_d_out0", .dt_id = TEGRA30_CLK_PLL_D_OUT0 }, 614 { .con_id = "pll_d2", .dt_id = TEGRA30_CLK_PLL_D2 }, 615 { .con_id = "pll_d2_out0", .dt_id = TEGRA30_CLK_PLL_D2_OUT0 }, 616 { .con_id = "pll_a", .dt_id = TEGRA30_CLK_PLL_A }, 617 { .con_id = "pll_a_out0", .dt_id = TEGRA30_CLK_PLL_A_OUT0 }, 618 { .con_id = "pll_e", .dt_id = TEGRA30_CLK_PLL_E }, 619 { .con_id = "spdif_in_sync", .dt_id = TEGRA30_CLK_SPDIF_IN_SYNC }, 620 { .con_id = "i2s0_sync", .dt_id = TEGRA30_CLK_I2S0_SYNC }, 621 { .con_id = "i2s1_sync", .dt_id = TEGRA30_CLK_I2S1_SYNC }, 622 { .con_id = "i2s2_sync", .dt_id = TEGRA30_CLK_I2S2_SYNC }, 623 { .con_id = "i2s3_sync", .dt_id = TEGRA30_CLK_I2S3_SYNC }, 624 { .con_id = "i2s4_sync", .dt_id = TEGRA30_CLK_I2S4_SYNC }, 625 { .con_id = "vimclk_sync", .dt_id = TEGRA30_CLK_VIMCLK_SYNC }, 626 { .con_id = "audio0", .dt_id = TEGRA30_CLK_AUDIO0 }, 627 { .con_id = "audio1", .dt_id = TEGRA30_CLK_AUDIO1 }, 628 { .con_id = "audio2", .dt_id = TEGRA30_CLK_AUDIO2 }, 629 { .con_id = "audio3", .dt_id = TEGRA30_CLK_AUDIO3 }, 630 { .con_id = "audio4", .dt_id = TEGRA30_CLK_AUDIO4 }, 631 { .con_id = "spdif", .dt_id = TEGRA30_CLK_SPDIF }, 632 { .con_id = "audio0_2x", .dt_id = TEGRA30_CLK_AUDIO0_2X }, 633 { .con_id = "audio1_2x", .dt_id = TEGRA30_CLK_AUDIO1_2X }, 634 { .con_id = "audio2_2x", .dt_id = TEGRA30_CLK_AUDIO2_2X }, 635 { .con_id = "audio3_2x", .dt_id = TEGRA30_CLK_AUDIO3_2X }, 636 { .con_id = "audio4_2x", .dt_id = TEGRA30_CLK_AUDIO4_2X }, 637 { .con_id = "spdif_2x", .dt_id = TEGRA30_CLK_SPDIF_2X }, 638 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA30_CLK_EXTERN1 }, 639 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA30_CLK_EXTERN2 }, 640 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA30_CLK_EXTERN3 }, 641 { .con_id = "blink", .dt_id = TEGRA30_CLK_BLINK }, 642 { .con_id = "cclk_g", .dt_id = TEGRA30_CLK_CCLK_G }, 643 { .con_id = "cclk_lp", .dt_id = TEGRA30_CLK_CCLK_LP }, 644 { .con_id = "sclk", .dt_id = TEGRA30_CLK_SCLK }, 645 { .con_id = "hclk", .dt_id = TEGRA30_CLK_HCLK }, 646 { .con_id = "pclk", .dt_id = TEGRA30_CLK_PCLK }, 647 { .con_id = "twd", .dt_id = TEGRA30_CLK_TWD }, 648 { .con_id = "emc", .dt_id = TEGRA30_CLK_EMC }, 649 { .con_id = "clk_32k", .dt_id = TEGRA30_CLK_CLK_32K }, 650 { .con_id = "clk_m_div2", .dt_id = TEGRA30_CLK_CLK_M_DIV2 }, 651 { .con_id = "clk_m_div4", .dt_id = TEGRA30_CLK_CLK_M_DIV4 }, 652 { .con_id = "cml0", .dt_id = TEGRA30_CLK_CML0 }, 653 { .con_id = "cml1", .dt_id = TEGRA30_CLK_CML1 }, 654 { .con_id = "clk_m", .dt_id = TEGRA30_CLK_CLK_M }, 655 { .con_id = "pll_ref", .dt_id = TEGRA30_CLK_PLL_REF }, 656 { .con_id = "csus", .dev_id = "tengra_camera", .dt_id = TEGRA30_CLK_CSUS }, 657 { .con_id = "vcp", .dev_id = "tegra-avp", .dt_id = TEGRA30_CLK_VCP }, 658 { .con_id = "bsea", .dev_id = "tegra-avp", .dt_id = TEGRA30_CLK_BSEA }, 659 { .con_id = "bsev", .dev_id = "tegra-aes", .dt_id = TEGRA30_CLK_BSEV }, 660 { .con_id = "dsia", .dev_id = "tegradc.0", .dt_id = TEGRA30_CLK_DSIA }, 661 { .con_id = "csi", .dev_id = "tegra_camera", .dt_id = TEGRA30_CLK_CSI }, 662 { .con_id = "isp", .dev_id = "tegra_camera", .dt_id = TEGRA30_CLK_ISP }, 663 { .con_id = "pcie", .dev_id = "tegra-pcie", .dt_id = TEGRA30_CLK_PCIE }, 664 { .con_id = "afi", .dev_id = "tegra-pcie", .dt_id = TEGRA30_CLK_AFI }, 665 { .con_id = "fuse", .dt_id = TEGRA30_CLK_FUSE }, 666 { .con_id = "fuse_burn", .dev_id = "fuse-tegra", .dt_id = TEGRA30_CLK_FUSE_BURN }, 667 { .con_id = "apbif", .dev_id = "tegra30-ahub", .dt_id = TEGRA30_CLK_APBIF }, 668 { .con_id = "hda2hdmi", .dev_id = "tegra30-hda", .dt_id = TEGRA30_CLK_HDA2HDMI }, 669 { .dev_id = "tegra-apbdma", .dt_id = TEGRA30_CLK_APBDMA }, 670 { .dev_id = "rtc-tegra", .dt_id = TEGRA30_CLK_RTC }, 671 { .dev_id = "timer", .dt_id = TEGRA30_CLK_TIMER }, 672 { .dev_id = "tegra-kbc", .dt_id = TEGRA30_CLK_KBC }, 673 { .dev_id = "fsl-tegra-udc", .dt_id = TEGRA30_CLK_USBD }, 674 { .dev_id = "tegra-ehci.1", .dt_id = TEGRA30_CLK_USB2 }, 675 { .dev_id = "tegra-ehci.2", .dt_id = TEGRA30_CLK_USB2 }, 676 { .dev_id = "kfuse-tegra", .dt_id = TEGRA30_CLK_KFUSE }, 677 { .dev_id = "tegra_sata_cold", .dt_id = TEGRA30_CLK_SATA_COLD }, 678 { .dev_id = "dtv", .dt_id = TEGRA30_CLK_DTV }, 679 { .dev_id = "tegra30-i2s.0", .dt_id = TEGRA30_CLK_I2S0 }, 680 { .dev_id = "tegra30-i2s.1", .dt_id = TEGRA30_CLK_I2S1 }, 681 { .dev_id = "tegra30-i2s.2", .dt_id = TEGRA30_CLK_I2S2 }, 682 { .dev_id = "tegra30-i2s.3", .dt_id = TEGRA30_CLK_I2S3 }, 683 { .dev_id = "tegra30-i2s.4", .dt_id = TEGRA30_CLK_I2S4 }, 684 { .con_id = "spdif_out", .dev_id = "tegra30-spdif", .dt_id = TEGRA30_CLK_SPDIF_OUT }, 685 { .con_id = "spdif_in", .dev_id = "tegra30-spdif", .dt_id = TEGRA30_CLK_SPDIF_IN }, 686 { .con_id = "d_audio", .dev_id = "tegra30-ahub", .dt_id = TEGRA30_CLK_D_AUDIO }, 687 { .dev_id = "tegra30-dam.0", .dt_id = TEGRA30_CLK_DAM0 }, 688 { .dev_id = "tegra30-dam.1", .dt_id = TEGRA30_CLK_DAM1 }, 689 { .dev_id = "tegra30-dam.2", .dt_id = TEGRA30_CLK_DAM2 }, 690 { .con_id = "hda", .dev_id = "tegra30-hda", .dt_id = TEGRA30_CLK_HDA }, 691 { .con_id = "hda2codec_2x", .dev_id = "tegra30-hda", .dt_id = TEGRA30_CLK_HDA2CODEC_2X }, 692 { .dev_id = "spi_tegra.0", .dt_id = TEGRA30_CLK_SBC1 }, 693 { .dev_id = "spi_tegra.1", .dt_id = TEGRA30_CLK_SBC2 }, 694 { .dev_id = "spi_tegra.2", .dt_id = TEGRA30_CLK_SBC3 }, 695 { .dev_id = "spi_tegra.3", .dt_id = TEGRA30_CLK_SBC4 }, 696 { .dev_id = "spi_tegra.4", .dt_id = TEGRA30_CLK_SBC5 }, 697 { .dev_id = "spi_tegra.5", .dt_id = TEGRA30_CLK_SBC6 }, 698 { .dev_id = "tegra_sata_oob", .dt_id = TEGRA30_CLK_SATA_OOB }, 699 { .dev_id = "tegra_sata", .dt_id = TEGRA30_CLK_SATA }, 700 { .dev_id = "tegra_nand", .dt_id = TEGRA30_CLK_NDFLASH }, 701 { .dev_id = "tegra_nand_speed", .dt_id = TEGRA30_CLK_NDSPEED }, 702 { .dev_id = "vfir", .dt_id = TEGRA30_CLK_VFIR }, 703 { .dev_id = "csite", .dt_id = TEGRA30_CLK_CSITE }, 704 { .dev_id = "la", .dt_id = TEGRA30_CLK_LA }, 705 { .dev_id = "tegra_w1", .dt_id = TEGRA30_CLK_OWR }, 706 { .dev_id = "mipi", .dt_id = TEGRA30_CLK_MIPI }, 707 { .dev_id = "tegra-tsensor", .dt_id = TEGRA30_CLK_TSENSOR }, 708 { .dev_id = "i2cslow", .dt_id = TEGRA30_CLK_I2CSLOW }, 709 { .dev_id = "vde", .dt_id = TEGRA30_CLK_VDE }, 710 { .con_id = "vi", .dev_id = "tegra_camera", .dt_id = TEGRA30_CLK_VI }, 711 { .dev_id = "epp", .dt_id = TEGRA30_CLK_EPP }, 712 { .dev_id = "mpe", .dt_id = TEGRA30_CLK_MPE }, 713 { .dev_id = "host1x", .dt_id = TEGRA30_CLK_HOST1X }, 714 { .dev_id = "3d", .dt_id = TEGRA30_CLK_GR3D }, 715 { .dev_id = "3d2", .dt_id = TEGRA30_CLK_GR3D2 }, 716 { .dev_id = "2d", .dt_id = TEGRA30_CLK_GR2D }, 717 { .dev_id = "se", .dt_id = TEGRA30_CLK_SE }, 718 { .dev_id = "mselect", .dt_id = TEGRA30_CLK_MSELECT }, 719 { .dev_id = "tegra-nor", .dt_id = TEGRA30_CLK_NOR }, 720 { .dev_id = "sdhci-tegra.0", .dt_id = TEGRA30_CLK_SDMMC1 }, 721 { .dev_id = "sdhci-tegra.1", .dt_id = TEGRA30_CLK_SDMMC2 }, 722 { .dev_id = "sdhci-tegra.2", .dt_id = TEGRA30_CLK_SDMMC3 }, 723 { .dev_id = "sdhci-tegra.3", .dt_id = TEGRA30_CLK_SDMMC4 }, 724 { .dev_id = "cve", .dt_id = TEGRA30_CLK_CVE }, 725 { .dev_id = "tvo", .dt_id = TEGRA30_CLK_TVO }, 726 { .dev_id = "tvdac", .dt_id = TEGRA30_CLK_TVDAC }, 727 { .dev_id = "actmon", .dt_id = TEGRA30_CLK_ACTMON }, 728 { .con_id = "vi_sensor", .dev_id = "tegra_camera", .dt_id = TEGRA30_CLK_VI_SENSOR }, 729 { .con_id = "div-clk", .dev_id = "tegra-i2c.0", .dt_id = TEGRA30_CLK_I2C1 }, 730 { .con_id = "div-clk", .dev_id = "tegra-i2c.1", .dt_id = TEGRA30_CLK_I2C2 }, 731 { .con_id = "div-clk", .dev_id = "tegra-i2c.2", .dt_id = TEGRA30_CLK_I2C3 }, 732 { .con_id = "div-clk", .dev_id = "tegra-i2c.3", .dt_id = TEGRA30_CLK_I2C4 }, 733 { .con_id = "div-clk", .dev_id = "tegra-i2c.4", .dt_id = TEGRA30_CLK_I2C5 }, 734 { .dev_id = "tegra_uart.0", .dt_id = TEGRA30_CLK_UARTA }, 735 { .dev_id = "tegra_uart.1", .dt_id = TEGRA30_CLK_UARTB }, 736 { .dev_id = "tegra_uart.2", .dt_id = TEGRA30_CLK_UARTC }, 737 { .dev_id = "tegra_uart.3", .dt_id = TEGRA30_CLK_UARTD }, 738 { .dev_id = "tegra_uart.4", .dt_id = TEGRA30_CLK_UARTE }, 739 { .dev_id = "hdmi", .dt_id = TEGRA30_CLK_HDMI }, 740 { .dev_id = "extern1", .dt_id = TEGRA30_CLK_EXTERN1 }, 741 { .dev_id = "extern2", .dt_id = TEGRA30_CLK_EXTERN2 }, 742 { .dev_id = "extern3", .dt_id = TEGRA30_CLK_EXTERN3 }, 743 { .dev_id = "pwm", .dt_id = TEGRA30_CLK_PWM }, 744 { .dev_id = "tegradc.0", .dt_id = TEGRA30_CLK_DISP1 }, 745 { .dev_id = "tegradc.1", .dt_id = TEGRA30_CLK_DISP2 }, 746 { .dev_id = "tegradc.1", .dt_id = TEGRA30_CLK_DSIB }, 747 }; 748 749 static struct tegra_clk tegra30_clks[tegra_clk_max] __initdata = { 750 [tegra_clk_clk_32k] = { .dt_id = TEGRA30_CLK_CLK_32K, .present = true }, 751 [tegra_clk_clk_m] = { .dt_id = TEGRA30_CLK_CLK_M, .present = true }, 752 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA30_CLK_CLK_M_DIV2, .present = true }, 753 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA30_CLK_CLK_M_DIV4, .present = true }, 754 [tegra_clk_pll_ref] = { .dt_id = TEGRA30_CLK_PLL_REF, .present = true }, 755 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA30_CLK_SPDIF_IN_SYNC, .present = true }, 756 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA30_CLK_I2S0_SYNC, .present = true }, 757 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA30_CLK_I2S1_SYNC, .present = true }, 758 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA30_CLK_I2S2_SYNC, .present = true }, 759 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA30_CLK_I2S3_SYNC, .present = true }, 760 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA30_CLK_I2S4_SYNC, .present = true }, 761 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA30_CLK_VIMCLK_SYNC, .present = true }, 762 [tegra_clk_audio0] = { .dt_id = TEGRA30_CLK_AUDIO0, .present = true }, 763 [tegra_clk_audio1] = { .dt_id = TEGRA30_CLK_AUDIO1, .present = true }, 764 [tegra_clk_audio2] = { .dt_id = TEGRA30_CLK_AUDIO2, .present = true }, 765 [tegra_clk_audio3] = { .dt_id = TEGRA30_CLK_AUDIO3, .present = true }, 766 [tegra_clk_audio4] = { .dt_id = TEGRA30_CLK_AUDIO4, .present = true }, 767 [tegra_clk_spdif] = { .dt_id = TEGRA30_CLK_SPDIF, .present = true }, 768 [tegra_clk_audio0_mux] = { .dt_id = TEGRA30_CLK_AUDIO0_MUX, .present = true }, 769 [tegra_clk_audio1_mux] = { .dt_id = TEGRA30_CLK_AUDIO1_MUX, .present = true }, 770 [tegra_clk_audio2_mux] = { .dt_id = TEGRA30_CLK_AUDIO2_MUX, .present = true }, 771 [tegra_clk_audio3_mux] = { .dt_id = TEGRA30_CLK_AUDIO3_MUX, .present = true }, 772 [tegra_clk_audio4_mux] = { .dt_id = TEGRA30_CLK_AUDIO4_MUX, .present = true }, 773 [tegra_clk_spdif_mux] = { .dt_id = TEGRA30_CLK_SPDIF_MUX, .present = true }, 774 [tegra_clk_audio0_2x] = { .dt_id = TEGRA30_CLK_AUDIO0_2X, .present = true }, 775 [tegra_clk_audio1_2x] = { .dt_id = TEGRA30_CLK_AUDIO1_2X, .present = true }, 776 [tegra_clk_audio2_2x] = { .dt_id = TEGRA30_CLK_AUDIO2_2X, .present = true }, 777 [tegra_clk_audio3_2x] = { .dt_id = TEGRA30_CLK_AUDIO3_2X, .present = true }, 778 [tegra_clk_audio4_2x] = { .dt_id = TEGRA30_CLK_AUDIO4_2X, .present = true }, 779 [tegra_clk_spdif_2x] = { .dt_id = TEGRA30_CLK_SPDIF_2X, .present = true }, 780 [tegra_clk_clk_out_1] = { .dt_id = TEGRA30_CLK_CLK_OUT_1, .present = true }, 781 [tegra_clk_clk_out_2] = { .dt_id = TEGRA30_CLK_CLK_OUT_2, .present = true }, 782 [tegra_clk_clk_out_3] = { .dt_id = TEGRA30_CLK_CLK_OUT_3, .present = true }, 783 [tegra_clk_blink] = { .dt_id = TEGRA30_CLK_BLINK, .present = true }, 784 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA30_CLK_CLK_OUT_1_MUX, .present = true }, 785 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA30_CLK_CLK_OUT_2_MUX, .present = true }, 786 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA30_CLK_CLK_OUT_3_MUX, .present = true }, 787 [tegra_clk_hclk] = { .dt_id = TEGRA30_CLK_HCLK, .present = true }, 788 [tegra_clk_pclk] = { .dt_id = TEGRA30_CLK_PCLK, .present = true }, 789 [tegra_clk_i2s0] = { .dt_id = TEGRA30_CLK_I2S0, .present = true }, 790 [tegra_clk_i2s1] = { .dt_id = TEGRA30_CLK_I2S1, .present = true }, 791 [tegra_clk_i2s2] = { .dt_id = TEGRA30_CLK_I2S2, .present = true }, 792 [tegra_clk_i2s3] = { .dt_id = TEGRA30_CLK_I2S3, .present = true }, 793 [tegra_clk_i2s4] = { .dt_id = TEGRA30_CLK_I2S4, .present = true }, 794 [tegra_clk_spdif_in] = { .dt_id = TEGRA30_CLK_SPDIF_IN, .present = true }, 795 [tegra_clk_hda] = { .dt_id = TEGRA30_CLK_HDA, .present = true }, 796 [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA30_CLK_HDA2CODEC_2X, .present = true }, 797 [tegra_clk_sbc1] = { .dt_id = TEGRA30_CLK_SBC1, .present = true }, 798 [tegra_clk_sbc2] = { .dt_id = TEGRA30_CLK_SBC2, .present = true }, 799 [tegra_clk_sbc3] = { .dt_id = TEGRA30_CLK_SBC3, .present = true }, 800 [tegra_clk_sbc4] = { .dt_id = TEGRA30_CLK_SBC4, .present = true }, 801 [tegra_clk_sbc5] = { .dt_id = TEGRA30_CLK_SBC5, .present = true }, 802 [tegra_clk_sbc6] = { .dt_id = TEGRA30_CLK_SBC6, .present = true }, 803 [tegra_clk_ndflash] = { .dt_id = TEGRA30_CLK_NDFLASH, .present = true }, 804 [tegra_clk_ndspeed] = { .dt_id = TEGRA30_CLK_NDSPEED, .present = true }, 805 [tegra_clk_vfir] = { .dt_id = TEGRA30_CLK_VFIR, .present = true }, 806 [tegra_clk_la] = { .dt_id = TEGRA30_CLK_LA, .present = true }, 807 [tegra_clk_csite] = { .dt_id = TEGRA30_CLK_CSITE, .present = true }, 808 [tegra_clk_owr] = { .dt_id = TEGRA30_CLK_OWR, .present = true }, 809 [tegra_clk_mipi] = { .dt_id = TEGRA30_CLK_MIPI, .present = true }, 810 [tegra_clk_tsensor] = { .dt_id = TEGRA30_CLK_TSENSOR, .present = true }, 811 [tegra_clk_i2cslow] = { .dt_id = TEGRA30_CLK_I2CSLOW, .present = true }, 812 [tegra_clk_vde] = { .dt_id = TEGRA30_CLK_VDE, .present = true }, 813 [tegra_clk_vi] = { .dt_id = TEGRA30_CLK_VI, .present = true }, 814 [tegra_clk_epp] = { .dt_id = TEGRA30_CLK_EPP, .present = true }, 815 [tegra_clk_mpe] = { .dt_id = TEGRA30_CLK_MPE, .present = true }, 816 [tegra_clk_host1x] = { .dt_id = TEGRA30_CLK_HOST1X, .present = true }, 817 [tegra_clk_gr2d] = { .dt_id = TEGRA30_CLK_GR2D, .present = true }, 818 [tegra_clk_gr3d] = { .dt_id = TEGRA30_CLK_GR3D, .present = true }, 819 [tegra_clk_mselect] = { .dt_id = TEGRA30_CLK_MSELECT, .present = true }, 820 [tegra_clk_nor] = { .dt_id = TEGRA30_CLK_NOR, .present = true }, 821 [tegra_clk_sdmmc1] = { .dt_id = TEGRA30_CLK_SDMMC1, .present = true }, 822 [tegra_clk_sdmmc2] = { .dt_id = TEGRA30_CLK_SDMMC2, .present = true }, 823 [tegra_clk_sdmmc3] = { .dt_id = TEGRA30_CLK_SDMMC3, .present = true }, 824 [tegra_clk_sdmmc4] = { .dt_id = TEGRA30_CLK_SDMMC4, .present = true }, 825 [tegra_clk_cve] = { .dt_id = TEGRA30_CLK_CVE, .present = true }, 826 [tegra_clk_tvo] = { .dt_id = TEGRA30_CLK_TVO, .present = true }, 827 [tegra_clk_tvdac] = { .dt_id = TEGRA30_CLK_TVDAC, .present = true }, 828 [tegra_clk_actmon] = { .dt_id = TEGRA30_CLK_ACTMON, .present = true }, 829 [tegra_clk_vi_sensor] = { .dt_id = TEGRA30_CLK_VI_SENSOR, .present = true }, 830 [tegra_clk_i2c1] = { .dt_id = TEGRA30_CLK_I2C1, .present = true }, 831 [tegra_clk_i2c2] = { .dt_id = TEGRA30_CLK_I2C2, .present = true }, 832 [tegra_clk_i2c3] = { .dt_id = TEGRA30_CLK_I2C3, .present = true }, 833 [tegra_clk_i2c4] = { .dt_id = TEGRA30_CLK_I2C4, .present = true }, 834 [tegra_clk_i2c5] = { .dt_id = TEGRA30_CLK_I2C5, .present = true }, 835 [tegra_clk_uarta] = { .dt_id = TEGRA30_CLK_UARTA, .present = true }, 836 [tegra_clk_uartb] = { .dt_id = TEGRA30_CLK_UARTB, .present = true }, 837 [tegra_clk_uartc] = { .dt_id = TEGRA30_CLK_UARTC, .present = true }, 838 [tegra_clk_uartd] = { .dt_id = TEGRA30_CLK_UARTD, .present = true }, 839 [tegra_clk_uarte] = { .dt_id = TEGRA30_CLK_UARTE, .present = true }, 840 [tegra_clk_extern1] = { .dt_id = TEGRA30_CLK_EXTERN1, .present = true }, 841 [tegra_clk_extern2] = { .dt_id = TEGRA30_CLK_EXTERN2, .present = true }, 842 [tegra_clk_extern3] = { .dt_id = TEGRA30_CLK_EXTERN3, .present = true }, 843 [tegra_clk_disp1] = { .dt_id = TEGRA30_CLK_DISP1, .present = true }, 844 [tegra_clk_disp2] = { .dt_id = TEGRA30_CLK_DISP2, .present = true }, 845 [tegra_clk_apbdma] = { .dt_id = TEGRA30_CLK_APBDMA, .present = true }, 846 [tegra_clk_rtc] = { .dt_id = TEGRA30_CLK_RTC, .present = true }, 847 [tegra_clk_timer] = { .dt_id = TEGRA30_CLK_TIMER, .present = true }, 848 [tegra_clk_kbc] = { .dt_id = TEGRA30_CLK_KBC, .present = true }, 849 [tegra_clk_csus] = { .dt_id = TEGRA30_CLK_CSUS, .present = true }, 850 [tegra_clk_vcp] = { .dt_id = TEGRA30_CLK_VCP, .present = true }, 851 [tegra_clk_bsea] = { .dt_id = TEGRA30_CLK_BSEA, .present = true }, 852 [tegra_clk_bsev] = { .dt_id = TEGRA30_CLK_BSEV, .present = true }, 853 [tegra_clk_usbd] = { .dt_id = TEGRA30_CLK_USBD, .present = true }, 854 [tegra_clk_usb2] = { .dt_id = TEGRA30_CLK_USB2, .present = true }, 855 [tegra_clk_usb3] = { .dt_id = TEGRA30_CLK_USB3, .present = true }, 856 [tegra_clk_csi] = { .dt_id = TEGRA30_CLK_CSI, .present = true }, 857 [tegra_clk_isp] = { .dt_id = TEGRA30_CLK_ISP, .present = true }, 858 [tegra_clk_kfuse] = { .dt_id = TEGRA30_CLK_KFUSE, .present = true }, 859 [tegra_clk_fuse] = { .dt_id = TEGRA30_CLK_FUSE, .present = true }, 860 [tegra_clk_fuse_burn] = { .dt_id = TEGRA30_CLK_FUSE_BURN, .present = true }, 861 [tegra_clk_apbif] = { .dt_id = TEGRA30_CLK_APBIF, .present = true }, 862 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA30_CLK_HDA2HDMI, .present = true }, 863 [tegra_clk_sata_cold] = { .dt_id = TEGRA30_CLK_SATA_COLD, .present = true }, 864 [tegra_clk_sata_oob] = { .dt_id = TEGRA30_CLK_SATA_OOB, .present = true }, 865 [tegra_clk_sata] = { .dt_id = TEGRA30_CLK_SATA, .present = true }, 866 [tegra_clk_dtv] = { .dt_id = TEGRA30_CLK_DTV, .present = true }, 867 [tegra_clk_pll_p] = { .dt_id = TEGRA30_CLK_PLL_P, .present = true }, 868 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA30_CLK_PLL_P_OUT1, .present = true }, 869 [tegra_clk_pll_p_out2] = { .dt_id = TEGRA30_CLK_PLL_P_OUT2, .present = true }, 870 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA30_CLK_PLL_P_OUT3, .present = true }, 871 [tegra_clk_pll_p_out4] = { .dt_id = TEGRA30_CLK_PLL_P_OUT4, .present = true }, 872 [tegra_clk_pll_a] = { .dt_id = TEGRA30_CLK_PLL_A, .present = true }, 873 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA30_CLK_PLL_A_OUT0, .present = true }, 874 }; 875 876 static void tegra30_utmi_param_configure(void) 877 { 878 unsigned int i; 879 u32 reg; 880 881 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { 882 if (input_freq == utmi_parameters[i].osc_frequency) 883 break; 884 } 885 886 if (i >= ARRAY_SIZE(utmi_parameters)) { 887 pr_err("%s: Unexpected input rate %lu\n", __func__, input_freq); 888 return; 889 } 890 891 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); 892 893 /* Program UTMIP PLL stable and active counts */ 894 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); 895 reg |= UTMIP_PLL_CFG2_STABLE_COUNT( 896 utmi_parameters[i].stable_count); 897 898 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); 899 900 reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT( 901 utmi_parameters[i].active_delay_count); 902 903 /* Remove power downs from UTMIP PLL control bits */ 904 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; 905 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; 906 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN; 907 908 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); 909 910 /* Program UTMIP PLL delay and oscillator frequency counts */ 911 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 912 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); 913 914 reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT( 915 utmi_parameters[i].enable_delay_count); 916 917 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); 918 reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT( 919 utmi_parameters[i].xtal_freq_count); 920 921 /* Remove power downs from UTMIP PLL control bits */ 922 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; 923 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN; 924 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; 925 926 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); 927 } 928 929 static const char *pll_e_parents[] = { "pll_ref", "pll_p" }; 930 931 static void __init tegra30_pll_init(void) 932 { 933 struct clk *clk; 934 935 /* PLLC */ 936 clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, pmc_base, 0, 937 &pll_c_params, NULL); 938 clks[TEGRA30_CLK_PLL_C] = clk; 939 940 /* PLLC_OUT1 */ 941 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", 942 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 943 8, 8, 1, NULL); 944 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", 945 clk_base + PLLC_OUT, 1, 0, CLK_SET_RATE_PARENT, 946 0, NULL); 947 clks[TEGRA30_CLK_PLL_C_OUT1] = clk; 948 949 /* PLLM */ 950 clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, pmc_base, 951 CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, 952 &pll_m_params, NULL); 953 clks[TEGRA30_CLK_PLL_M] = clk; 954 955 /* PLLM_OUT1 */ 956 clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m", 957 clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 958 8, 8, 1, NULL); 959 clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div", 960 clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED | 961 CLK_SET_RATE_PARENT, 0, NULL); 962 clks[TEGRA30_CLK_PLL_M_OUT1] = clk; 963 964 /* PLLX */ 965 clk = tegra_clk_register_pll("pll_x", "pll_ref", clk_base, pmc_base, 0, 966 &pll_x_params, NULL); 967 clks[TEGRA30_CLK_PLL_X] = clk; 968 969 /* PLLX_OUT0 */ 970 clk = clk_register_fixed_factor(NULL, "pll_x_out0", "pll_x", 971 CLK_SET_RATE_PARENT, 1, 2); 972 clks[TEGRA30_CLK_PLL_X_OUT0] = clk; 973 974 /* PLLU */ 975 clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc_base, 0, 976 &pll_u_params, NULL); 977 clks[TEGRA30_CLK_PLL_U] = clk; 978 979 tegra30_utmi_param_configure(); 980 981 /* PLLD */ 982 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc_base, 0, 983 &pll_d_params, &pll_d_lock); 984 clks[TEGRA30_CLK_PLL_D] = clk; 985 986 /* PLLD_OUT0 */ 987 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", 988 CLK_SET_RATE_PARENT, 1, 2); 989 clks[TEGRA30_CLK_PLL_D_OUT0] = clk; 990 991 /* PLLD2 */ 992 clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc_base, 0, 993 &pll_d2_params, NULL); 994 clks[TEGRA30_CLK_PLL_D2] = clk; 995 996 /* PLLD2_OUT0 */ 997 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 998 CLK_SET_RATE_PARENT, 1, 2); 999 clks[TEGRA30_CLK_PLL_D2_OUT0] = clk; 1000 1001 /* PLLE */ 1002 clk = clk_register_mux(NULL, "pll_e_mux", pll_e_parents, 1003 ARRAY_SIZE(pll_e_parents), 1004 CLK_SET_RATE_NO_REPARENT, 1005 clk_base + PLLE_AUX, 2, 1, 0, NULL); 1006 clk = tegra_clk_register_plle("pll_e", "pll_e_mux", clk_base, pmc_base, 1007 CLK_GET_RATE_NOCACHE, &pll_e_params, NULL); 1008 clks[TEGRA30_CLK_PLL_E] = clk; 1009 } 1010 1011 static const char *cclk_g_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m", 1012 "pll_p_cclkg", "pll_p_out4_cclkg", 1013 "pll_p_out3_cclkg", "unused", "pll_x" }; 1014 static const char *cclk_lp_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m", 1015 "pll_p_cclklp", "pll_p_out4_cclklp", 1016 "pll_p_out3_cclklp", "unused", "pll_x", 1017 "pll_x_out0" }; 1018 static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4", 1019 "pll_p_out3", "pll_p_out2", "unused", 1020 "clk_32k", "pll_m_out1" }; 1021 1022 static void __init tegra30_super_clk_init(void) 1023 { 1024 struct clk *clk; 1025 1026 /* 1027 * Clock input to cclk_g divided from pll_p using 1028 * U71 divider of cclk_g. 1029 */ 1030 clk = tegra_clk_register_divider("pll_p_cclkg", "pll_p", 1031 clk_base + SUPER_CCLKG_DIVIDER, 0, 1032 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 1033 clk_register_clkdev(clk, "pll_p_cclkg", NULL); 1034 1035 /* 1036 * Clock input to cclk_g divided from pll_p_out3 using 1037 * U71 divider of cclk_g. 1038 */ 1039 clk = tegra_clk_register_divider("pll_p_out3_cclkg", "pll_p_out3", 1040 clk_base + SUPER_CCLKG_DIVIDER, 0, 1041 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 1042 clk_register_clkdev(clk, "pll_p_out3_cclkg", NULL); 1043 1044 /* 1045 * Clock input to cclk_g divided from pll_p_out4 using 1046 * U71 divider of cclk_g. 1047 */ 1048 clk = tegra_clk_register_divider("pll_p_out4_cclkg", "pll_p_out4", 1049 clk_base + SUPER_CCLKG_DIVIDER, 0, 1050 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 1051 clk_register_clkdev(clk, "pll_p_out4_cclkg", NULL); 1052 1053 /* CCLKG */ 1054 clk = tegra_clk_register_super_mux("cclk_g", cclk_g_parents, 1055 ARRAY_SIZE(cclk_g_parents), 1056 CLK_SET_RATE_PARENT, 1057 clk_base + CCLKG_BURST_POLICY, 1058 0, 4, 0, 0, NULL); 1059 clks[TEGRA30_CLK_CCLK_G] = clk; 1060 1061 /* 1062 * Clock input to cclk_lp divided from pll_p using 1063 * U71 divider of cclk_lp. 1064 */ 1065 clk = tegra_clk_register_divider("pll_p_cclklp", "pll_p", 1066 clk_base + SUPER_CCLKLP_DIVIDER, 0, 1067 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 1068 clk_register_clkdev(clk, "pll_p_cclklp", NULL); 1069 1070 /* 1071 * Clock input to cclk_lp divided from pll_p_out3 using 1072 * U71 divider of cclk_lp. 1073 */ 1074 clk = tegra_clk_register_divider("pll_p_out3_cclklp", "pll_p_out3", 1075 clk_base + SUPER_CCLKG_DIVIDER, 0, 1076 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 1077 clk_register_clkdev(clk, "pll_p_out3_cclklp", NULL); 1078 1079 /* 1080 * Clock input to cclk_lp divided from pll_p_out4 using 1081 * U71 divider of cclk_lp. 1082 */ 1083 clk = tegra_clk_register_divider("pll_p_out4_cclklp", "pll_p_out4", 1084 clk_base + SUPER_CCLKLP_DIVIDER, 0, 1085 TEGRA_DIVIDER_INT, 16, 8, 1, NULL); 1086 clk_register_clkdev(clk, "pll_p_out4_cclklp", NULL); 1087 1088 /* CCLKLP */ 1089 clk = tegra_clk_register_super_mux("cclk_lp", cclk_lp_parents, 1090 ARRAY_SIZE(cclk_lp_parents), 1091 CLK_SET_RATE_PARENT, 1092 clk_base + CCLKLP_BURST_POLICY, 1093 TEGRA_DIVIDER_2, 4, 8, 9, 1094 NULL); 1095 clks[TEGRA30_CLK_CCLK_LP] = clk; 1096 1097 /* SCLK */ 1098 clk = tegra_clk_register_super_mux("sclk", sclk_parents, 1099 ARRAY_SIZE(sclk_parents), 1100 CLK_SET_RATE_PARENT, 1101 clk_base + SCLK_BURST_POLICY, 1102 0, 4, 0, 0, NULL); 1103 clks[TEGRA30_CLK_SCLK] = clk; 1104 1105 /* twd */ 1106 clk = clk_register_fixed_factor(NULL, "twd", "cclk_g", 1107 CLK_SET_RATE_PARENT, 1, 2); 1108 clks[TEGRA30_CLK_TWD] = clk; 1109 1110 tegra_super_clk_gen4_init(clk_base, pmc_base, tegra30_clks, NULL); 1111 } 1112 1113 static const char *mux_pllacp_clkm[] = { "pll_a_out0", "unused", "pll_p", 1114 "clk_m" }; 1115 static const char *mux_pllpcm_clkm[] = { "pll_p", "pll_c", "pll_m", "clk_m" }; 1116 static const char *mux_pllmcp_clkm[] = { "pll_m", "pll_c", "pll_p", "clk_m" }; 1117 static const char *spdif_out_parents[] = { "pll_a_out0", "spdif_2x", "pll_p", 1118 "clk_m" }; 1119 static const char *mux_pllmcpa[] = { "pll_m", "pll_c", "pll_p", "pll_a_out0" }; 1120 static const char *mux_pllpmdacd2_clkm[] = { "pll_p", "pll_m", "pll_d_out0", 1121 "pll_a_out0", "pll_c", 1122 "pll_d2_out0", "clk_m" }; 1123 static const char *mux_plld_out0_plld2_out0[] = { "pll_d_out0", 1124 "pll_d2_out0" }; 1125 static const char *pwm_parents[] = { "pll_p", "pll_c", "clk_32k", "clk_m" }; 1126 1127 static struct tegra_periph_init_data tegra_periph_clk_list[] = { 1128 TEGRA_INIT_DATA_MUX("spdif_out", spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10, TEGRA_PERIPH_ON_APB, TEGRA30_CLK_SPDIF_OUT), 1129 TEGRA_INIT_DATA_MUX("d_audio", mux_pllacp_clkm, CLK_SOURCE_D_AUDIO, 106, 0, TEGRA30_CLK_D_AUDIO), 1130 TEGRA_INIT_DATA_MUX("dam0", mux_pllacp_clkm, CLK_SOURCE_DAM0, 108, 0, TEGRA30_CLK_DAM0), 1131 TEGRA_INIT_DATA_MUX("dam1", mux_pllacp_clkm, CLK_SOURCE_DAM1, 109, 0, TEGRA30_CLK_DAM1), 1132 TEGRA_INIT_DATA_MUX("dam2", mux_pllacp_clkm, CLK_SOURCE_DAM2, 110, 0, TEGRA30_CLK_DAM2), 1133 TEGRA_INIT_DATA_INT("3d2", mux_pllmcpa, CLK_SOURCE_3D2, 98, TEGRA_PERIPH_MANUAL_RESET, TEGRA30_CLK_GR3D2), 1134 TEGRA_INIT_DATA_INT("se", mux_pllpcm_clkm, CLK_SOURCE_SE, 127, 0, TEGRA30_CLK_SE), 1135 TEGRA_INIT_DATA_MUX8("hdmi", mux_pllpmdacd2_clkm, CLK_SOURCE_HDMI, 51, 0, TEGRA30_CLK_HDMI), 1136 TEGRA_INIT_DATA("pwm", NULL, NULL, pwm_parents, CLK_SOURCE_PWM, 28, 2, 0, 0, 8, 1, 0, 17, TEGRA_PERIPH_ON_APB, TEGRA30_CLK_PWM), 1137 }; 1138 1139 static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = { 1140 TEGRA_INIT_DATA_NODIV("dsib", mux_plld_out0_plld2_out0, CLK_SOURCE_DSIB, 25, 1, 82, 0, TEGRA30_CLK_DSIB), 1141 }; 1142 1143 static void __init tegra30_periph_clk_init(void) 1144 { 1145 struct tegra_periph_init_data *data; 1146 struct clk *clk; 1147 unsigned int i; 1148 1149 /* dsia */ 1150 clk = tegra_clk_register_periph_gate("dsia", "pll_d_out0", 0, clk_base, 1151 0, 48, periph_clk_enb_refcnt); 1152 clks[TEGRA30_CLK_DSIA] = clk; 1153 1154 /* pcie */ 1155 clk = tegra_clk_register_periph_gate("pcie", "clk_m", 0, clk_base, 0, 1156 70, periph_clk_enb_refcnt); 1157 clks[TEGRA30_CLK_PCIE] = clk; 1158 1159 /* afi */ 1160 clk = tegra_clk_register_periph_gate("afi", "clk_m", 0, clk_base, 0, 72, 1161 periph_clk_enb_refcnt); 1162 clks[TEGRA30_CLK_AFI] = clk; 1163 1164 /* emc */ 1165 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, 1166 ARRAY_SIZE(mux_pllmcp_clkm), 1167 CLK_SET_RATE_NO_REPARENT, 1168 clk_base + CLK_SOURCE_EMC, 1169 30, 2, 0, &emc_lock); 1170 clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0, 1171 57, periph_clk_enb_refcnt); 1172 clks[TEGRA30_CLK_EMC] = clk; 1173 1174 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, 1175 &emc_lock); 1176 clks[TEGRA30_CLK_MC] = clk; 1177 1178 /* cml0 */ 1179 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 1180 0, 0, &cml_lock); 1181 clks[TEGRA30_CLK_CML0] = clk; 1182 1183 /* cml1 */ 1184 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 1185 1, 0, &cml_lock); 1186 clks[TEGRA30_CLK_CML1] = clk; 1187 1188 for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) { 1189 data = &tegra_periph_clk_list[i]; 1190 clk = tegra_clk_register_periph(data->name, data->p.parent_names, 1191 data->num_parents, &data->periph, 1192 clk_base, data->offset, data->flags); 1193 clks[data->clk_id] = clk; 1194 } 1195 1196 for (i = 0; i < ARRAY_SIZE(tegra_periph_nodiv_clk_list); i++) { 1197 data = &tegra_periph_nodiv_clk_list[i]; 1198 clk = tegra_clk_register_periph_nodiv(data->name, 1199 data->p.parent_names, 1200 data->num_parents, &data->periph, 1201 clk_base, data->offset); 1202 clks[data->clk_id] = clk; 1203 } 1204 1205 tegra_periph_clk_init(clk_base, pmc_base, tegra30_clks, &pll_p_params); 1206 } 1207 1208 /* Tegra30 CPU clock and reset control functions */ 1209 static void tegra30_wait_cpu_in_reset(u32 cpu) 1210 { 1211 unsigned int reg; 1212 1213 do { 1214 reg = readl(clk_base + 1215 TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 1216 cpu_relax(); 1217 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ 1218 1219 return; 1220 } 1221 1222 static void tegra30_put_cpu_in_reset(u32 cpu) 1223 { 1224 writel(CPU_RESET(cpu), 1225 clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET); 1226 dmb(); 1227 } 1228 1229 static void tegra30_cpu_out_of_reset(u32 cpu) 1230 { 1231 writel(CPU_RESET(cpu), 1232 clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR); 1233 wmb(); 1234 } 1235 1236 static void tegra30_enable_cpu_clock(u32 cpu) 1237 { 1238 unsigned int reg; 1239 1240 writel(CPU_CLOCK(cpu), 1241 clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR); 1242 reg = readl(clk_base + 1243 TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR); 1244 } 1245 1246 static void tegra30_disable_cpu_clock(u32 cpu) 1247 { 1248 unsigned int reg; 1249 1250 reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX); 1251 writel(reg | CPU_CLOCK(cpu), 1252 clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX); 1253 } 1254 1255 #ifdef CONFIG_PM_SLEEP 1256 static bool tegra30_cpu_rail_off_ready(void) 1257 { 1258 unsigned int cpu_rst_status; 1259 int cpu_pwr_status; 1260 1261 cpu_rst_status = readl(clk_base + 1262 TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); 1263 cpu_pwr_status = tegra_powergate_is_powered(TEGRA_POWERGATE_CPU1) || 1264 tegra_powergate_is_powered(TEGRA_POWERGATE_CPU2) || 1265 tegra_powergate_is_powered(TEGRA_POWERGATE_CPU3); 1266 1267 if (((cpu_rst_status & 0xE) != 0xE) || cpu_pwr_status) 1268 return false; 1269 1270 return true; 1271 } 1272 1273 static void tegra30_cpu_clock_suspend(void) 1274 { 1275 /* switch coresite to clk_m, save off original source */ 1276 tegra30_cpu_clk_sctx.clk_csite_src = 1277 readl(clk_base + CLK_RESET_SOURCE_CSITE); 1278 writel(3 << 30, clk_base + CLK_RESET_SOURCE_CSITE); 1279 1280 tegra30_cpu_clk_sctx.cpu_burst = 1281 readl(clk_base + CLK_RESET_CCLK_BURST); 1282 tegra30_cpu_clk_sctx.pllx_base = 1283 readl(clk_base + CLK_RESET_PLLX_BASE); 1284 tegra30_cpu_clk_sctx.pllx_misc = 1285 readl(clk_base + CLK_RESET_PLLX_MISC); 1286 tegra30_cpu_clk_sctx.cclk_divider = 1287 readl(clk_base + CLK_RESET_CCLK_DIVIDER); 1288 } 1289 1290 static void tegra30_cpu_clock_resume(void) 1291 { 1292 unsigned int reg, policy; 1293 1294 /* Is CPU complex already running on PLLX? */ 1295 reg = readl(clk_base + CLK_RESET_CCLK_BURST); 1296 policy = (reg >> CLK_RESET_CCLK_BURST_POLICY_SHIFT) & 0xF; 1297 1298 if (policy == CLK_RESET_CCLK_IDLE_POLICY) 1299 reg = (reg >> CLK_RESET_CCLK_IDLE_POLICY_SHIFT) & 0xF; 1300 else if (policy == CLK_RESET_CCLK_RUN_POLICY) 1301 reg = (reg >> CLK_RESET_CCLK_RUN_POLICY_SHIFT) & 0xF; 1302 else 1303 BUG(); 1304 1305 if (reg != CLK_RESET_CCLK_BURST_POLICY_PLLX) { 1306 /* restore PLLX settings if CPU is on different PLL */ 1307 writel(tegra30_cpu_clk_sctx.pllx_misc, 1308 clk_base + CLK_RESET_PLLX_MISC); 1309 writel(tegra30_cpu_clk_sctx.pllx_base, 1310 clk_base + CLK_RESET_PLLX_BASE); 1311 1312 /* wait for PLL stabilization if PLLX was enabled */ 1313 if (tegra30_cpu_clk_sctx.pllx_base & (1 << 30)) 1314 udelay(300); 1315 } 1316 1317 /* 1318 * Restore original burst policy setting for calls resulting from CPU 1319 * LP2 in idle or system suspend. 1320 */ 1321 writel(tegra30_cpu_clk_sctx.cclk_divider, 1322 clk_base + CLK_RESET_CCLK_DIVIDER); 1323 writel(tegra30_cpu_clk_sctx.cpu_burst, 1324 clk_base + CLK_RESET_CCLK_BURST); 1325 1326 writel(tegra30_cpu_clk_sctx.clk_csite_src, 1327 clk_base + CLK_RESET_SOURCE_CSITE); 1328 } 1329 #endif 1330 1331 static struct tegra_cpu_car_ops tegra30_cpu_car_ops = { 1332 .wait_for_reset = tegra30_wait_cpu_in_reset, 1333 .put_in_reset = tegra30_put_cpu_in_reset, 1334 .out_of_reset = tegra30_cpu_out_of_reset, 1335 .enable_clock = tegra30_enable_cpu_clock, 1336 .disable_clock = tegra30_disable_cpu_clock, 1337 #ifdef CONFIG_PM_SLEEP 1338 .rail_off_ready = tegra30_cpu_rail_off_ready, 1339 .suspend = tegra30_cpu_clock_suspend, 1340 .resume = tegra30_cpu_clock_resume, 1341 #endif 1342 }; 1343 1344 static struct tegra_clk_init_table init_table[] __initdata = { 1345 { TEGRA30_CLK_UARTA, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1346 { TEGRA30_CLK_UARTB, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1347 { TEGRA30_CLK_UARTC, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1348 { TEGRA30_CLK_UARTD, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1349 { TEGRA30_CLK_UARTE, TEGRA30_CLK_PLL_P, 408000000, 0 }, 1350 { TEGRA30_CLK_PLL_A, TEGRA30_CLK_CLK_MAX, 564480000, 1 }, 1351 { TEGRA30_CLK_PLL_A_OUT0, TEGRA30_CLK_CLK_MAX, 11289600, 1 }, 1352 { TEGRA30_CLK_EXTERN1, TEGRA30_CLK_PLL_A_OUT0, 0, 1 }, 1353 { TEGRA30_CLK_CLK_OUT_1_MUX, TEGRA30_CLK_EXTERN1, 0, 0 }, 1354 { TEGRA30_CLK_CLK_OUT_1, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1355 { TEGRA30_CLK_BLINK, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1356 { TEGRA30_CLK_I2S0, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1357 { TEGRA30_CLK_I2S1, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1358 { TEGRA30_CLK_I2S2, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1359 { TEGRA30_CLK_I2S3, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1360 { TEGRA30_CLK_I2S4, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 }, 1361 { TEGRA30_CLK_SDMMC1, TEGRA30_CLK_PLL_P, 48000000, 0 }, 1362 { TEGRA30_CLK_SDMMC2, TEGRA30_CLK_PLL_P, 48000000, 0 }, 1363 { TEGRA30_CLK_SDMMC3, TEGRA30_CLK_PLL_P, 48000000, 0 }, 1364 { TEGRA30_CLK_PLL_M, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1365 { TEGRA30_CLK_PCLK, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1366 { TEGRA30_CLK_CSITE, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1367 { TEGRA30_CLK_EMC, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1368 { TEGRA30_CLK_MSELECT, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1369 { TEGRA30_CLK_SBC1, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1370 { TEGRA30_CLK_SBC2, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1371 { TEGRA30_CLK_SBC3, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1372 { TEGRA30_CLK_SBC4, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1373 { TEGRA30_CLK_SBC5, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1374 { TEGRA30_CLK_SBC6, TEGRA30_CLK_PLL_P, 100000000, 0 }, 1375 { TEGRA30_CLK_PLL_C, TEGRA30_CLK_CLK_MAX, 600000000, 0 }, 1376 { TEGRA30_CLK_HOST1X, TEGRA30_CLK_PLL_C, 150000000, 0 }, 1377 { TEGRA30_CLK_DISP1, TEGRA30_CLK_PLL_P, 600000000, 0 }, 1378 { TEGRA30_CLK_DISP2, TEGRA30_CLK_PLL_P, 600000000, 0 }, 1379 { TEGRA30_CLK_TWD, TEGRA30_CLK_CLK_MAX, 0, 1 }, 1380 { TEGRA30_CLK_GR2D, TEGRA30_CLK_PLL_C, 300000000, 0 }, 1381 { TEGRA30_CLK_GR3D, TEGRA30_CLK_PLL_C, 300000000, 0 }, 1382 { TEGRA30_CLK_GR3D2, TEGRA30_CLK_PLL_C, 300000000, 0 }, 1383 { TEGRA30_CLK_PLL_U, TEGRA30_CLK_CLK_MAX, 480000000, 0 }, 1384 /* must be the last entry */ 1385 { TEGRA30_CLK_CLK_MAX, TEGRA30_CLK_CLK_MAX, 0, 0 }, 1386 }; 1387 1388 static void __init tegra30_clock_apply_init_table(void) 1389 { 1390 tegra_init_from_table(init_table, clks, TEGRA30_CLK_CLK_MAX); 1391 } 1392 1393 /* 1394 * Some clocks may be used by different drivers depending on the board 1395 * configuration. List those here to register them twice in the clock lookup 1396 * table under two names. 1397 */ 1398 static struct tegra_clk_duplicate tegra_clk_duplicates[] = { 1399 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_USBD, "utmip-pad", NULL), 1400 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_USBD, "tegra-ehci.0", NULL), 1401 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_USBD, "tegra-otg", NULL), 1402 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEV, "tegra-avp", "bsev"), 1403 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEV, "nvavp", "bsev"), 1404 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_VDE, "tegra-aes", "vde"), 1405 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEA, "tegra-aes", "bsea"), 1406 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEA, "nvavp", "bsea"), 1407 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_CML1, "tegra_sata_cml", NULL), 1408 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_CML0, "tegra_pcie", "cml"), 1409 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_VCP, "nvavp", "vcp"), 1410 /* must be the last entry */ 1411 TEGRA_CLK_DUPLICATE(TEGRA30_CLK_CLK_MAX, NULL, NULL), 1412 }; 1413 1414 static const struct of_device_id pmc_match[] __initconst = { 1415 { .compatible = "nvidia,tegra30-pmc" }, 1416 { }, 1417 }; 1418 1419 static struct tegra_audio_clk_info tegra30_audio_plls[] = { 1420 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_p_out1" }, 1421 }; 1422 1423 static void __init tegra30_clock_init(struct device_node *np) 1424 { 1425 struct device_node *node; 1426 1427 clk_base = of_iomap(np, 0); 1428 if (!clk_base) { 1429 pr_err("ioremap tegra30 CAR failed\n"); 1430 return; 1431 } 1432 1433 node = of_find_matching_node(NULL, pmc_match); 1434 if (!node) { 1435 pr_err("Failed to find pmc node\n"); 1436 BUG(); 1437 } 1438 1439 pmc_base = of_iomap(node, 0); 1440 if (!pmc_base) { 1441 pr_err("Can't map pmc registers\n"); 1442 BUG(); 1443 } 1444 1445 clks = tegra_clk_init(clk_base, TEGRA30_CLK_CLK_MAX, 1446 TEGRA30_CLK_PERIPH_BANKS); 1447 if (!clks) 1448 return; 1449 1450 if (tegra_osc_clk_init(clk_base, tegra30_clks, tegra30_input_freq, 1451 ARRAY_SIZE(tegra30_input_freq), 1, &input_freq, 1452 NULL) < 0) 1453 return; 1454 1455 tegra_fixed_clk_init(tegra30_clks); 1456 tegra30_pll_init(); 1457 tegra30_super_clk_init(); 1458 tegra30_periph_clk_init(); 1459 tegra_audio_clk_init(clk_base, pmc_base, tegra30_clks, 1460 tegra30_audio_plls, 1461 ARRAY_SIZE(tegra30_audio_plls)); 1462 tegra_pmc_clk_init(pmc_base, tegra30_clks); 1463 1464 tegra_init_dup_clks(tegra_clk_duplicates, clks, TEGRA30_CLK_CLK_MAX); 1465 1466 tegra_add_of_provider(np); 1467 tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); 1468 1469 tegra_clk_apply_init_table = tegra30_clock_apply_init_table; 1470 1471 tegra_cpu_car_ops = &tegra30_cpu_car_ops; 1472 } 1473 CLK_OF_DECLARE(tegra30, "nvidia,tegra30-car", tegra30_clock_init); 1474