Peter De Schrijver | d9cc6f7 | 2012-01-09 05:35:12 +0000 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-tegra/tegra30_clocks.c |
| 3 | * |
| 4 | * Copyright (c) 2010-2011 NVIDIA CORPORATION. All rights reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | * more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/list.h> |
| 24 | #include <linux/spinlock.h> |
| 25 | #include <linux/delay.h> |
| 26 | #include <linux/err.h> |
| 27 | #include <linux/io.h> |
| 28 | #include <linux/clk.h> |
| 29 | #include <linux/cpufreq.h> |
| 30 | #include <linux/syscore_ops.h> |
| 31 | |
| 32 | #include <asm/clkdev.h> |
| 33 | |
| 34 | #include <mach/iomap.h> |
| 35 | |
| 36 | #include "clock.h" |
| 37 | #include "fuse.h" |
| 38 | |
| 39 | #define USE_PLL_LOCK_BITS 0 |
| 40 | |
| 41 | #define RST_DEVICES_L 0x004 |
| 42 | #define RST_DEVICES_H 0x008 |
| 43 | #define RST_DEVICES_U 0x00C |
| 44 | #define RST_DEVICES_V 0x358 |
| 45 | #define RST_DEVICES_W 0x35C |
| 46 | #define RST_DEVICES_SET_L 0x300 |
| 47 | #define RST_DEVICES_CLR_L 0x304 |
| 48 | #define RST_DEVICES_SET_V 0x430 |
| 49 | #define RST_DEVICES_CLR_V 0x434 |
| 50 | #define RST_DEVICES_NUM 5 |
| 51 | |
| 52 | #define CLK_OUT_ENB_L 0x010 |
| 53 | #define CLK_OUT_ENB_H 0x014 |
| 54 | #define CLK_OUT_ENB_U 0x018 |
| 55 | #define CLK_OUT_ENB_V 0x360 |
| 56 | #define CLK_OUT_ENB_W 0x364 |
| 57 | #define CLK_OUT_ENB_SET_L 0x320 |
| 58 | #define CLK_OUT_ENB_CLR_L 0x324 |
| 59 | #define CLK_OUT_ENB_SET_V 0x440 |
| 60 | #define CLK_OUT_ENB_CLR_V 0x444 |
| 61 | #define CLK_OUT_ENB_NUM 5 |
| 62 | |
| 63 | #define RST_DEVICES_V_SWR_CPULP_RST_DIS (0x1 << 1) |
| 64 | #define CLK_OUT_ENB_V_CLK_ENB_CPULP_EN (0x1 << 1) |
| 65 | |
| 66 | #define PERIPH_CLK_TO_BIT(c) (1 << (c->u.periph.clk_num % 32)) |
| 67 | #define PERIPH_CLK_TO_RST_REG(c) \ |
| 68 | periph_clk_to_reg((c), RST_DEVICES_L, RST_DEVICES_V, 4) |
| 69 | #define PERIPH_CLK_TO_RST_SET_REG(c) \ |
| 70 | periph_clk_to_reg((c), RST_DEVICES_SET_L, RST_DEVICES_SET_V, 8) |
| 71 | #define PERIPH_CLK_TO_RST_CLR_REG(c) \ |
| 72 | periph_clk_to_reg((c), RST_DEVICES_CLR_L, RST_DEVICES_CLR_V, 8) |
| 73 | |
| 74 | #define PERIPH_CLK_TO_ENB_REG(c) \ |
| 75 | periph_clk_to_reg((c), CLK_OUT_ENB_L, CLK_OUT_ENB_V, 4) |
| 76 | #define PERIPH_CLK_TO_ENB_SET_REG(c) \ |
| 77 | periph_clk_to_reg((c), CLK_OUT_ENB_SET_L, CLK_OUT_ENB_SET_V, 8) |
| 78 | #define PERIPH_CLK_TO_ENB_CLR_REG(c) \ |
| 79 | periph_clk_to_reg((c), CLK_OUT_ENB_CLR_L, CLK_OUT_ENB_CLR_V, 8) |
| 80 | |
| 81 | #define CLK_MASK_ARM 0x44 |
| 82 | #define MISC_CLK_ENB 0x48 |
| 83 | |
| 84 | #define OSC_CTRL 0x50 |
| 85 | #define OSC_CTRL_OSC_FREQ_MASK (0xF<<28) |
| 86 | #define OSC_CTRL_OSC_FREQ_13MHZ (0x0<<28) |
| 87 | #define OSC_CTRL_OSC_FREQ_19_2MHZ (0x4<<28) |
| 88 | #define OSC_CTRL_OSC_FREQ_12MHZ (0x8<<28) |
| 89 | #define OSC_CTRL_OSC_FREQ_26MHZ (0xC<<28) |
| 90 | #define OSC_CTRL_OSC_FREQ_16_8MHZ (0x1<<28) |
| 91 | #define OSC_CTRL_OSC_FREQ_38_4MHZ (0x5<<28) |
| 92 | #define OSC_CTRL_OSC_FREQ_48MHZ (0x9<<28) |
| 93 | #define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK) |
| 94 | |
| 95 | #define OSC_CTRL_PLL_REF_DIV_MASK (3<<26) |
| 96 | #define OSC_CTRL_PLL_REF_DIV_1 (0<<26) |
| 97 | #define OSC_CTRL_PLL_REF_DIV_2 (1<<26) |
| 98 | #define OSC_CTRL_PLL_REF_DIV_4 (2<<26) |
| 99 | |
| 100 | #define OSC_FREQ_DET 0x58 |
| 101 | #define OSC_FREQ_DET_TRIG (1<<31) |
| 102 | |
| 103 | #define OSC_FREQ_DET_STATUS 0x5C |
| 104 | #define OSC_FREQ_DET_BUSY (1<<31) |
| 105 | #define OSC_FREQ_DET_CNT_MASK 0xFFFF |
| 106 | |
| 107 | #define PERIPH_CLK_SOURCE_I2S1 0x100 |
| 108 | #define PERIPH_CLK_SOURCE_EMC 0x19c |
| 109 | #define PERIPH_CLK_SOURCE_OSC 0x1fc |
| 110 | #define PERIPH_CLK_SOURCE_NUM1 \ |
| 111 | ((PERIPH_CLK_SOURCE_OSC - PERIPH_CLK_SOURCE_I2S1) / 4) |
| 112 | |
| 113 | #define PERIPH_CLK_SOURCE_G3D2 0x3b0 |
| 114 | #define PERIPH_CLK_SOURCE_SE 0x42c |
| 115 | #define PERIPH_CLK_SOURCE_NUM2 \ |
| 116 | ((PERIPH_CLK_SOURCE_SE - PERIPH_CLK_SOURCE_G3D2) / 4 + 1) |
| 117 | |
| 118 | #define AUDIO_DLY_CLK 0x49c |
| 119 | #define AUDIO_SYNC_CLK_SPDIF 0x4b4 |
| 120 | #define PERIPH_CLK_SOURCE_NUM3 \ |
| 121 | ((AUDIO_SYNC_CLK_SPDIF - AUDIO_DLY_CLK) / 4 + 1) |
| 122 | |
| 123 | #define PERIPH_CLK_SOURCE_NUM (PERIPH_CLK_SOURCE_NUM1 + \ |
| 124 | PERIPH_CLK_SOURCE_NUM2 + \ |
| 125 | PERIPH_CLK_SOURCE_NUM3) |
| 126 | |
| 127 | #define CPU_SOFTRST_CTRL 0x380 |
| 128 | |
| 129 | #define PERIPH_CLK_SOURCE_DIVU71_MASK 0xFF |
| 130 | #define PERIPH_CLK_SOURCE_DIVU16_MASK 0xFFFF |
| 131 | #define PERIPH_CLK_SOURCE_DIV_SHIFT 0 |
| 132 | #define PERIPH_CLK_SOURCE_DIVIDLE_SHIFT 8 |
| 133 | #define PERIPH_CLK_SOURCE_DIVIDLE_VAL 50 |
| 134 | #define PERIPH_CLK_UART_DIV_ENB (1<<24) |
| 135 | #define PERIPH_CLK_VI_SEL_EX_SHIFT 24 |
| 136 | #define PERIPH_CLK_VI_SEL_EX_MASK (0x3<<PERIPH_CLK_VI_SEL_EX_SHIFT) |
| 137 | #define PERIPH_CLK_NAND_DIV_EX_ENB (1<<8) |
| 138 | #define PERIPH_CLK_DTV_POLARITY_INV (1<<25) |
| 139 | |
| 140 | #define AUDIO_SYNC_SOURCE_MASK 0x0F |
| 141 | #define AUDIO_SYNC_DISABLE_BIT 0x10 |
| 142 | #define AUDIO_SYNC_TAP_NIBBLE_SHIFT(c) ((c->reg_shift - 24) * 4) |
| 143 | |
| 144 | #define PLL_BASE 0x0 |
| 145 | #define PLL_BASE_BYPASS (1<<31) |
| 146 | #define PLL_BASE_ENABLE (1<<30) |
| 147 | #define PLL_BASE_REF_ENABLE (1<<29) |
| 148 | #define PLL_BASE_OVERRIDE (1<<28) |
| 149 | #define PLL_BASE_LOCK (1<<27) |
| 150 | #define PLL_BASE_DIVP_MASK (0x7<<20) |
| 151 | #define PLL_BASE_DIVP_SHIFT 20 |
| 152 | #define PLL_BASE_DIVN_MASK (0x3FF<<8) |
| 153 | #define PLL_BASE_DIVN_SHIFT 8 |
| 154 | #define PLL_BASE_DIVM_MASK (0x1F) |
| 155 | #define PLL_BASE_DIVM_SHIFT 0 |
| 156 | |
| 157 | #define PLL_OUT_RATIO_MASK (0xFF<<8) |
| 158 | #define PLL_OUT_RATIO_SHIFT 8 |
| 159 | #define PLL_OUT_OVERRIDE (1<<2) |
| 160 | #define PLL_OUT_CLKEN (1<<1) |
| 161 | #define PLL_OUT_RESET_DISABLE (1<<0) |
| 162 | |
| 163 | #define PLL_MISC(c) \ |
| 164 | (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc) |
| 165 | #define PLL_MISC_LOCK_ENABLE(c) \ |
| 166 | (((c)->flags & (PLLU | PLLD)) ? (1<<22) : (1<<18)) |
| 167 | |
| 168 | #define PLL_MISC_DCCON_SHIFT 20 |
| 169 | #define PLL_MISC_CPCON_SHIFT 8 |
| 170 | #define PLL_MISC_CPCON_MASK (0xF<<PLL_MISC_CPCON_SHIFT) |
| 171 | #define PLL_MISC_LFCON_SHIFT 4 |
| 172 | #define PLL_MISC_LFCON_MASK (0xF<<PLL_MISC_LFCON_SHIFT) |
| 173 | #define PLL_MISC_VCOCON_SHIFT 0 |
| 174 | #define PLL_MISC_VCOCON_MASK (0xF<<PLL_MISC_VCOCON_SHIFT) |
| 175 | #define PLLD_MISC_CLKENABLE (1<<30) |
| 176 | |
| 177 | #define PLLU_BASE_POST_DIV (1<<20) |
| 178 | |
| 179 | #define PLLD_BASE_DSIB_MUX_SHIFT 25 |
| 180 | #define PLLD_BASE_DSIB_MUX_MASK (1<<PLLD_BASE_DSIB_MUX_SHIFT) |
| 181 | #define PLLD_BASE_CSI_CLKENABLE (1<<26) |
| 182 | #define PLLD_MISC_DSI_CLKENABLE (1<<30) |
| 183 | #define PLLD_MISC_DIV_RST (1<<23) |
| 184 | #define PLLD_MISC_DCCON_SHIFT 12 |
| 185 | |
| 186 | #define PLLDU_LFCON_SET_DIVN 600 |
| 187 | |
| 188 | /* FIXME: OUT_OF_TABLE_CPCON per pll */ |
| 189 | #define OUT_OF_TABLE_CPCON 0x8 |
| 190 | |
| 191 | #define SUPER_CLK_MUX 0x00 |
| 192 | #define SUPER_STATE_SHIFT 28 |
| 193 | #define SUPER_STATE_MASK (0xF << SUPER_STATE_SHIFT) |
| 194 | #define SUPER_STATE_STANDBY (0x0 << SUPER_STATE_SHIFT) |
| 195 | #define SUPER_STATE_IDLE (0x1 << SUPER_STATE_SHIFT) |
| 196 | #define SUPER_STATE_RUN (0x2 << SUPER_STATE_SHIFT) |
| 197 | #define SUPER_STATE_IRQ (0x3 << SUPER_STATE_SHIFT) |
| 198 | #define SUPER_STATE_FIQ (0x4 << SUPER_STATE_SHIFT) |
| 199 | #define SUPER_LP_DIV2_BYPASS (0x1 << 16) |
| 200 | #define SUPER_SOURCE_MASK 0xF |
| 201 | #define SUPER_FIQ_SOURCE_SHIFT 12 |
| 202 | #define SUPER_IRQ_SOURCE_SHIFT 8 |
| 203 | #define SUPER_RUN_SOURCE_SHIFT 4 |
| 204 | #define SUPER_IDLE_SOURCE_SHIFT 0 |
| 205 | |
| 206 | #define SUPER_CLK_DIVIDER 0x04 |
| 207 | #define SUPER_CLOCK_DIV_U71_SHIFT 16 |
| 208 | #define SUPER_CLOCK_DIV_U71_MASK (0xff << SUPER_CLOCK_DIV_U71_SHIFT) |
| 209 | /* guarantees safe cpu backup */ |
| 210 | #define SUPER_CLOCK_DIV_U71_MIN 0x2 |
| 211 | |
| 212 | #define BUS_CLK_DISABLE (1<<3) |
| 213 | #define BUS_CLK_DIV_MASK 0x3 |
| 214 | |
| 215 | #define PMC_CTRL 0x0 |
| 216 | #define PMC_CTRL_BLINK_ENB (1 << 7) |
| 217 | |
| 218 | #define PMC_DPD_PADS_ORIDE 0x1c |
| 219 | #define PMC_DPD_PADS_ORIDE_BLINK_ENB (1 << 20) |
| 220 | |
| 221 | #define PMC_BLINK_TIMER_DATA_ON_SHIFT 0 |
| 222 | #define PMC_BLINK_TIMER_DATA_ON_MASK 0x7fff |
| 223 | #define PMC_BLINK_TIMER_ENB (1 << 15) |
| 224 | #define PMC_BLINK_TIMER_DATA_OFF_SHIFT 16 |
| 225 | #define PMC_BLINK_TIMER_DATA_OFF_MASK 0xffff |
| 226 | |
| 227 | #define PMC_PLLP_WB0_OVERRIDE 0xf8 |
| 228 | #define PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE (1 << 12) |
| 229 | |
| 230 | #define UTMIP_PLL_CFG2 0x488 |
| 231 | #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6) |
| 232 | #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) |
| 233 | #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN (1 << 0) |
| 234 | #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN (1 << 2) |
| 235 | #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN (1 << 4) |
| 236 | |
| 237 | #define UTMIP_PLL_CFG1 0x484 |
| 238 | #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) |
| 239 | #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) |
| 240 | #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN (1 << 14) |
| 241 | #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN (1 << 12) |
| 242 | #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN (1 << 16) |
| 243 | |
| 244 | #define PLLE_BASE_CML_ENABLE (1<<31) |
| 245 | #define PLLE_BASE_ENABLE (1<<30) |
| 246 | #define PLLE_BASE_DIVCML_SHIFT 24 |
| 247 | #define PLLE_BASE_DIVCML_MASK (0xf<<PLLE_BASE_DIVCML_SHIFT) |
| 248 | #define PLLE_BASE_DIVP_SHIFT 16 |
| 249 | #define PLLE_BASE_DIVP_MASK (0x3f<<PLLE_BASE_DIVP_SHIFT) |
| 250 | #define PLLE_BASE_DIVN_SHIFT 8 |
| 251 | #define PLLE_BASE_DIVN_MASK (0xFF<<PLLE_BASE_DIVN_SHIFT) |
| 252 | #define PLLE_BASE_DIVM_SHIFT 0 |
| 253 | #define PLLE_BASE_DIVM_MASK (0xFF<<PLLE_BASE_DIVM_SHIFT) |
| 254 | #define PLLE_BASE_DIV_MASK \ |
| 255 | (PLLE_BASE_DIVCML_MASK | PLLE_BASE_DIVP_MASK | \ |
| 256 | PLLE_BASE_DIVN_MASK | PLLE_BASE_DIVM_MASK) |
| 257 | #define PLLE_BASE_DIV(m, n, p, cml) \ |
| 258 | (((cml)<<PLLE_BASE_DIVCML_SHIFT) | ((p)<<PLLE_BASE_DIVP_SHIFT) | \ |
| 259 | ((n)<<PLLE_BASE_DIVN_SHIFT) | ((m)<<PLLE_BASE_DIVM_SHIFT)) |
| 260 | |
| 261 | #define PLLE_MISC_SETUP_BASE_SHIFT 16 |
| 262 | #define PLLE_MISC_SETUP_BASE_MASK (0xFFFF<<PLLE_MISC_SETUP_BASE_SHIFT) |
| 263 | #define PLLE_MISC_READY (1<<15) |
| 264 | #define PLLE_MISC_LOCK (1<<11) |
| 265 | #define PLLE_MISC_LOCK_ENABLE (1<<9) |
| 266 | #define PLLE_MISC_SETUP_EX_SHIFT 2 |
| 267 | #define PLLE_MISC_SETUP_EX_MASK (0x3<<PLLE_MISC_SETUP_EX_SHIFT) |
| 268 | #define PLLE_MISC_SETUP_MASK \ |
| 269 | (PLLE_MISC_SETUP_BASE_MASK | PLLE_MISC_SETUP_EX_MASK) |
| 270 | #define PLLE_MISC_SETUP_VALUE \ |
| 271 | ((0x7<<PLLE_MISC_SETUP_BASE_SHIFT) | (0x0<<PLLE_MISC_SETUP_EX_SHIFT)) |
| 272 | |
| 273 | #define PLLE_SS_CTRL 0x68 |
| 274 | #define PLLE_SS_INCINTRV_SHIFT 24 |
| 275 | #define PLLE_SS_INCINTRV_MASK (0x3f<<PLLE_SS_INCINTRV_SHIFT) |
| 276 | #define PLLE_SS_INC_SHIFT 16 |
| 277 | #define PLLE_SS_INC_MASK (0xff<<PLLE_SS_INC_SHIFT) |
| 278 | #define PLLE_SS_MAX_SHIFT 0 |
| 279 | #define PLLE_SS_MAX_MASK (0x1ff<<PLLE_SS_MAX_SHIFT) |
| 280 | #define PLLE_SS_COEFFICIENTS_MASK \ |
| 281 | (PLLE_SS_INCINTRV_MASK | PLLE_SS_INC_MASK | PLLE_SS_MAX_MASK) |
| 282 | #define PLLE_SS_COEFFICIENTS_12MHZ \ |
| 283 | ((0x18<<PLLE_SS_INCINTRV_SHIFT) | (0x1<<PLLE_SS_INC_SHIFT) | \ |
| 284 | (0x24<<PLLE_SS_MAX_SHIFT)) |
| 285 | #define PLLE_SS_DISABLE ((1<<12) | (1<<11) | (1<<10)) |
| 286 | |
| 287 | #define PLLE_AUX 0x48c |
| 288 | #define PLLE_AUX_PLLP_SEL (1<<2) |
| 289 | #define PLLE_AUX_CML_SATA_ENABLE (1<<1) |
| 290 | #define PLLE_AUX_CML_PCIE_ENABLE (1<<0) |
| 291 | |
| 292 | #define PMC_SATA_PWRGT 0x1ac |
| 293 | #define PMC_SATA_PWRGT_PLLE_IDDQ_VALUE (1<<5) |
| 294 | #define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL (1<<4) |
| 295 | |
| 296 | #define ROUND_DIVIDER_UP 0 |
| 297 | #define ROUND_DIVIDER_DOWN 1 |
| 298 | |
| 299 | /* FIXME: recommended safety delay after lock is detected */ |
| 300 | #define PLL_POST_LOCK_DELAY 100 |
| 301 | |
| 302 | /** |
| 303 | * Structure defining the fields for USB UTMI clocks Parameters. |
| 304 | */ |
| 305 | struct utmi_clk_param { |
| 306 | /* Oscillator Frequency in KHz */ |
| 307 | u32 osc_frequency; |
| 308 | /* UTMIP PLL Enable Delay Count */ |
| 309 | u8 enable_delay_count; |
| 310 | /* UTMIP PLL Stable count */ |
| 311 | u8 stable_count; |
| 312 | /* UTMIP PLL Active delay count */ |
| 313 | u8 active_delay_count; |
| 314 | /* UTMIP PLL Xtal frequency count */ |
| 315 | u8 xtal_freq_count; |
| 316 | }; |
| 317 | |
| 318 | static const struct utmi_clk_param utmi_parameters[] = { |
| 319 | { |
| 320 | .osc_frequency = 13000000, |
| 321 | .enable_delay_count = 0x02, |
| 322 | .stable_count = 0x33, |
| 323 | .active_delay_count = 0x05, |
| 324 | .xtal_freq_count = 0x7F |
| 325 | }, |
| 326 | { |
| 327 | .osc_frequency = 19200000, |
| 328 | .enable_delay_count = 0x03, |
| 329 | .stable_count = 0x4B, |
| 330 | .active_delay_count = 0x06, |
| 331 | .xtal_freq_count = 0xBB}, |
| 332 | { |
| 333 | .osc_frequency = 12000000, |
| 334 | .enable_delay_count = 0x02, |
| 335 | .stable_count = 0x2F, |
| 336 | .active_delay_count = 0x04, |
| 337 | .xtal_freq_count = 0x76 |
| 338 | }, |
| 339 | { |
| 340 | .osc_frequency = 26000000, |
| 341 | .enable_delay_count = 0x04, |
| 342 | .stable_count = 0x66, |
| 343 | .active_delay_count = 0x09, |
| 344 | .xtal_freq_count = 0xFE |
| 345 | }, |
| 346 | { |
| 347 | .osc_frequency = 16800000, |
| 348 | .enable_delay_count = 0x03, |
| 349 | .stable_count = 0x41, |
| 350 | .active_delay_count = 0x0A, |
| 351 | .xtal_freq_count = 0xA4 |
| 352 | }, |
| 353 | }; |
| 354 | |
| 355 | static void __iomem *reg_clk_base = IO_ADDRESS(TEGRA_CLK_RESET_BASE); |
| 356 | static void __iomem *reg_pmc_base = IO_ADDRESS(TEGRA_PMC_BASE); |
| 357 | static void __iomem *misc_gp_hidrev_base = IO_ADDRESS(TEGRA_APB_MISC_BASE); |
| 358 | |
| 359 | #define MISC_GP_HIDREV 0x804 |
| 360 | |
| 361 | /* |
| 362 | * Some peripheral clocks share an enable bit, so refcount the enable bits |
| 363 | * in registers CLK_ENABLE_L, ... CLK_ENABLE_W |
| 364 | */ |
| 365 | static int tegra_periph_clk_enable_refcount[CLK_OUT_ENB_NUM * 32]; |
| 366 | |
| 367 | #define clk_writel(value, reg) \ |
| 368 | __raw_writel(value, (u32)reg_clk_base + (reg)) |
| 369 | #define clk_readl(reg) \ |
| 370 | __raw_readl((u32)reg_clk_base + (reg)) |
| 371 | #define pmc_writel(value, reg) \ |
| 372 | __raw_writel(value, (u32)reg_pmc_base + (reg)) |
| 373 | #define pmc_readl(reg) \ |
| 374 | __raw_readl((u32)reg_pmc_base + (reg)) |
| 375 | #define chipid_readl() \ |
| 376 | __raw_readl((u32)misc_gp_hidrev_base + MISC_GP_HIDREV) |
| 377 | |
| 378 | #define clk_writel_delay(value, reg) \ |
| 379 | do { \ |
| 380 | __raw_writel((value), (u32)reg_clk_base + (reg)); \ |
| 381 | udelay(2); \ |
| 382 | } while (0) |
| 383 | |
| 384 | |
| 385 | static inline int clk_set_div(struct clk *c, u32 n) |
| 386 | { |
| 387 | return clk_set_rate(c, (clk_get_rate(c->parent) + n-1) / n); |
| 388 | } |
| 389 | |
| 390 | static inline u32 periph_clk_to_reg( |
| 391 | struct clk *c, u32 reg_L, u32 reg_V, int offs) |
| 392 | { |
| 393 | u32 reg = c->u.periph.clk_num / 32; |
| 394 | BUG_ON(reg >= RST_DEVICES_NUM); |
| 395 | if (reg < 3) |
| 396 | reg = reg_L + (reg * offs); |
| 397 | else |
| 398 | reg = reg_V + ((reg - 3) * offs); |
| 399 | return reg; |
| 400 | } |
| 401 | |
| 402 | static unsigned long clk_measure_input_freq(void) |
| 403 | { |
| 404 | u32 clock_autodetect; |
| 405 | clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET); |
| 406 | do {} while (clk_readl(OSC_FREQ_DET_STATUS) & OSC_FREQ_DET_BUSY); |
| 407 | clock_autodetect = clk_readl(OSC_FREQ_DET_STATUS); |
| 408 | if (clock_autodetect >= 732 - 3 && clock_autodetect <= 732 + 3) { |
| 409 | return 12000000; |
| 410 | } else if (clock_autodetect >= 794 - 3 && clock_autodetect <= 794 + 3) { |
| 411 | return 13000000; |
| 412 | } else if (clock_autodetect >= 1172 - 3 && clock_autodetect <= 1172 + 3) { |
| 413 | return 19200000; |
| 414 | } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) { |
| 415 | return 26000000; |
| 416 | } else if (clock_autodetect >= 1025 - 3 && clock_autodetect <= 1025 + 3) { |
| 417 | return 16800000; |
| 418 | } else if (clock_autodetect >= 2344 - 3 && clock_autodetect <= 2344 + 3) { |
| 419 | return 38400000; |
| 420 | } else if (clock_autodetect >= 2928 - 3 && clock_autodetect <= 2928 + 3) { |
| 421 | return 48000000; |
| 422 | } else { |
| 423 | pr_err("%s: Unexpected clock autodetect value %d", __func__, |
| 424 | clock_autodetect); |
| 425 | BUG(); |
| 426 | return 0; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | static int clk_div71_get_divider(unsigned long parent_rate, unsigned long rate, |
| 431 | u32 flags, u32 round_mode) |
| 432 | { |
| 433 | s64 divider_u71 = parent_rate; |
| 434 | if (!rate) |
| 435 | return -EINVAL; |
| 436 | |
| 437 | if (!(flags & DIV_U71_INT)) |
| 438 | divider_u71 *= 2; |
| 439 | if (round_mode == ROUND_DIVIDER_UP) |
| 440 | divider_u71 += rate - 1; |
| 441 | do_div(divider_u71, rate); |
| 442 | if (flags & DIV_U71_INT) |
| 443 | divider_u71 *= 2; |
| 444 | |
| 445 | if (divider_u71 - 2 < 0) |
| 446 | return 0; |
| 447 | |
| 448 | if (divider_u71 - 2 > 255) |
| 449 | return -EINVAL; |
| 450 | |
| 451 | return divider_u71 - 2; |
| 452 | } |
| 453 | |
| 454 | static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate) |
| 455 | { |
| 456 | s64 divider_u16; |
| 457 | |
| 458 | divider_u16 = parent_rate; |
| 459 | if (!rate) |
| 460 | return -EINVAL; |
| 461 | divider_u16 += rate - 1; |
| 462 | do_div(divider_u16, rate); |
| 463 | |
| 464 | if (divider_u16 - 1 < 0) |
| 465 | return 0; |
| 466 | |
| 467 | if (divider_u16 - 1 > 0xFFFF) |
| 468 | return -EINVAL; |
| 469 | |
| 470 | return divider_u16 - 1; |
| 471 | } |
| 472 | |
| 473 | /* clk_m functions */ |
| 474 | static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c) |
| 475 | { |
| 476 | u32 osc_ctrl = clk_readl(OSC_CTRL); |
| 477 | u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK; |
| 478 | u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK; |
| 479 | |
| 480 | c->rate = clk_measure_input_freq(); |
| 481 | switch (c->rate) { |
| 482 | case 12000000: |
| 483 | auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ; |
| 484 | BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); |
| 485 | break; |
| 486 | case 13000000: |
| 487 | auto_clock_control |= OSC_CTRL_OSC_FREQ_13MHZ; |
| 488 | BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); |
| 489 | break; |
| 490 | case 19200000: |
| 491 | auto_clock_control |= OSC_CTRL_OSC_FREQ_19_2MHZ; |
| 492 | BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); |
| 493 | break; |
| 494 | case 26000000: |
| 495 | auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ; |
| 496 | BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); |
| 497 | break; |
| 498 | case 16800000: |
| 499 | auto_clock_control |= OSC_CTRL_OSC_FREQ_16_8MHZ; |
| 500 | BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); |
| 501 | break; |
| 502 | case 38400000: |
| 503 | auto_clock_control |= OSC_CTRL_OSC_FREQ_38_4MHZ; |
| 504 | BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2); |
| 505 | break; |
| 506 | case 48000000: |
| 507 | auto_clock_control |= OSC_CTRL_OSC_FREQ_48MHZ; |
| 508 | BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4); |
| 509 | break; |
| 510 | default: |
| 511 | pr_err("%s: Unexpected clock rate %ld", __func__, c->rate); |
| 512 | BUG(); |
| 513 | } |
| 514 | clk_writel(auto_clock_control, OSC_CTRL); |
| 515 | return c->rate; |
| 516 | } |
| 517 | |
| 518 | static void tegra30_clk_m_init(struct clk *c) |
| 519 | { |
| 520 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 521 | tegra30_clk_m_autodetect_rate(c); |
| 522 | } |
| 523 | |
| 524 | static int tegra30_clk_m_enable(struct clk *c) |
| 525 | { |
| 526 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 527 | return 0; |
| 528 | } |
| 529 | |
| 530 | static void tegra30_clk_m_disable(struct clk *c) |
| 531 | { |
| 532 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 533 | WARN(1, "Attempting to disable main SoC clock\n"); |
| 534 | } |
| 535 | |
| 536 | static struct clk_ops tegra_clk_m_ops = { |
| 537 | .init = tegra30_clk_m_init, |
| 538 | .enable = tegra30_clk_m_enable, |
| 539 | .disable = tegra30_clk_m_disable, |
| 540 | }; |
| 541 | |
| 542 | static struct clk_ops tegra_clk_m_div_ops = { |
| 543 | .enable = tegra30_clk_m_enable, |
| 544 | }; |
| 545 | |
| 546 | /* PLL reference divider functions */ |
| 547 | static void tegra30_pll_ref_init(struct clk *c) |
| 548 | { |
| 549 | u32 pll_ref_div = clk_readl(OSC_CTRL) & OSC_CTRL_PLL_REF_DIV_MASK; |
| 550 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 551 | |
| 552 | switch (pll_ref_div) { |
| 553 | case OSC_CTRL_PLL_REF_DIV_1: |
| 554 | c->div = 1; |
| 555 | break; |
| 556 | case OSC_CTRL_PLL_REF_DIV_2: |
| 557 | c->div = 2; |
| 558 | break; |
| 559 | case OSC_CTRL_PLL_REF_DIV_4: |
| 560 | c->div = 4; |
| 561 | break; |
| 562 | default: |
| 563 | pr_err("%s: Invalid pll ref divider %d", __func__, pll_ref_div); |
| 564 | BUG(); |
| 565 | } |
| 566 | c->mul = 1; |
| 567 | c->state = ON; |
| 568 | } |
| 569 | |
| 570 | static struct clk_ops tegra_pll_ref_ops = { |
| 571 | .init = tegra30_pll_ref_init, |
| 572 | .enable = tegra30_clk_m_enable, |
| 573 | .disable = tegra30_clk_m_disable, |
| 574 | }; |
| 575 | |
| 576 | /* super clock functions */ |
| 577 | /* "super clocks" on tegra30 have two-stage muxes, fractional 7.1 divider and |
| 578 | * clock skipping super divider. We will ignore the clock skipping divider, |
| 579 | * since we can't lower the voltage when using the clock skip, but we can if |
| 580 | * we lower the PLL frequency. We will use 7.1 divider for CPU super-clock |
| 581 | * only when its parent is a fixed rate PLL, since we can't change PLL rate |
| 582 | * in this case. |
| 583 | */ |
| 584 | static void tegra30_super_clk_init(struct clk *c) |
| 585 | { |
| 586 | u32 val; |
| 587 | int source; |
| 588 | int shift; |
| 589 | const struct clk_mux_sel *sel; |
| 590 | val = clk_readl(c->reg + SUPER_CLK_MUX); |
| 591 | c->state = ON; |
| 592 | BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && |
| 593 | ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); |
| 594 | shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? |
| 595 | SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; |
| 596 | source = (val >> shift) & SUPER_SOURCE_MASK; |
| 597 | if (c->flags & DIV_2) |
| 598 | source |= val & SUPER_LP_DIV2_BYPASS; |
| 599 | for (sel = c->inputs; sel->input != NULL; sel++) { |
| 600 | if (sel->value == source) |
| 601 | break; |
| 602 | } |
| 603 | BUG_ON(sel->input == NULL); |
| 604 | c->parent = sel->input; |
| 605 | |
| 606 | if (c->flags & DIV_U71) { |
| 607 | /* Init safe 7.1 divider value (does not affect PLLX path) */ |
| 608 | clk_writel(SUPER_CLOCK_DIV_U71_MIN << SUPER_CLOCK_DIV_U71_SHIFT, |
| 609 | c->reg + SUPER_CLK_DIVIDER); |
| 610 | c->mul = 2; |
| 611 | c->div = 2; |
| 612 | if (!(c->parent->flags & PLLX)) |
| 613 | c->div += SUPER_CLOCK_DIV_U71_MIN; |
| 614 | } else |
| 615 | clk_writel(0, c->reg + SUPER_CLK_DIVIDER); |
| 616 | } |
| 617 | |
| 618 | static int tegra30_super_clk_enable(struct clk *c) |
| 619 | { |
| 620 | return 0; |
| 621 | } |
| 622 | |
| 623 | static void tegra30_super_clk_disable(struct clk *c) |
| 624 | { |
| 625 | /* since tegra 3 has 2 CPU super clocks - low power lp-mode clock and |
| 626 | geared up g-mode super clock - mode switch may request to disable |
| 627 | either of them; accept request with no affect on h/w */ |
| 628 | } |
| 629 | |
| 630 | static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) |
| 631 | { |
| 632 | u32 val; |
| 633 | const struct clk_mux_sel *sel; |
| 634 | int shift; |
| 635 | |
| 636 | val = clk_readl(c->reg + SUPER_CLK_MUX); |
| 637 | BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && |
| 638 | ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); |
| 639 | shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? |
| 640 | SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; |
| 641 | for (sel = c->inputs; sel->input != NULL; sel++) { |
| 642 | if (sel->input == p) { |
| 643 | /* For LP mode super-clock switch between PLLX direct |
| 644 | and divided-by-2 outputs is allowed only when other |
| 645 | than PLLX clock source is current parent */ |
| 646 | if ((c->flags & DIV_2) && (p->flags & PLLX) && |
| 647 | ((sel->value ^ val) & SUPER_LP_DIV2_BYPASS)) { |
| 648 | if (c->parent->flags & PLLX) |
| 649 | return -EINVAL; |
| 650 | val ^= SUPER_LP_DIV2_BYPASS; |
| 651 | clk_writel_delay(val, c->reg); |
| 652 | } |
| 653 | val &= ~(SUPER_SOURCE_MASK << shift); |
| 654 | val |= (sel->value & SUPER_SOURCE_MASK) << shift; |
| 655 | |
| 656 | /* 7.1 divider for CPU super-clock does not affect |
| 657 | PLLX path */ |
| 658 | if (c->flags & DIV_U71) { |
| 659 | u32 div = 0; |
| 660 | if (!(p->flags & PLLX)) { |
| 661 | div = clk_readl(c->reg + |
| 662 | SUPER_CLK_DIVIDER); |
| 663 | div &= SUPER_CLOCK_DIV_U71_MASK; |
| 664 | div >>= SUPER_CLOCK_DIV_U71_SHIFT; |
| 665 | } |
| 666 | c->div = div + 2; |
| 667 | c->mul = 2; |
| 668 | } |
| 669 | |
| 670 | if (c->refcnt) |
| 671 | clk_enable(p); |
| 672 | |
| 673 | clk_writel_delay(val, c->reg); |
| 674 | |
| 675 | if (c->refcnt && c->parent) |
| 676 | clk_disable(c->parent); |
| 677 | |
| 678 | clk_reparent(c, p); |
| 679 | return 0; |
| 680 | } |
| 681 | } |
| 682 | return -EINVAL; |
| 683 | } |
| 684 | |
| 685 | /* |
| 686 | * Do not use super clocks "skippers", since dividing using a clock skipper |
| 687 | * does not allow the voltage to be scaled down. Instead adjust the rate of |
| 688 | * the parent clock. This requires that the parent of a super clock have no |
| 689 | * other children, otherwise the rate will change underneath the other |
| 690 | * children. Special case: if fixed rate PLL is CPU super clock parent the |
| 691 | * rate of this PLL can't be changed, and it has many other children. In |
| 692 | * this case use 7.1 fractional divider to adjust the super clock rate. |
| 693 | */ |
| 694 | static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) |
| 695 | { |
| 696 | if ((c->flags & DIV_U71) && (c->parent->flags & PLL_FIXED)) { |
| 697 | int div = clk_div71_get_divider(c->parent->u.pll.fixed_rate, |
| 698 | rate, c->flags, ROUND_DIVIDER_DOWN); |
| 699 | div = max(div, SUPER_CLOCK_DIV_U71_MIN); |
| 700 | |
| 701 | clk_writel(div << SUPER_CLOCK_DIV_U71_SHIFT, |
| 702 | c->reg + SUPER_CLK_DIVIDER); |
| 703 | c->div = div + 2; |
| 704 | c->mul = 2; |
| 705 | return 0; |
| 706 | } |
| 707 | return clk_set_rate(c->parent, rate); |
| 708 | } |
| 709 | |
| 710 | static struct clk_ops tegra_super_ops = { |
| 711 | .init = tegra30_super_clk_init, |
| 712 | .enable = tegra30_super_clk_enable, |
| 713 | .disable = tegra30_super_clk_disable, |
| 714 | .set_parent = tegra30_super_clk_set_parent, |
| 715 | .set_rate = tegra30_super_clk_set_rate, |
| 716 | }; |
| 717 | |
| 718 | static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate) |
| 719 | { |
| 720 | /* The input value 'rate' is the clock rate of the CPU complex. */ |
| 721 | c->rate = (rate * c->mul) / c->div; |
| 722 | return 0; |
| 723 | } |
| 724 | |
| 725 | static struct clk_ops tegra30_twd_ops = { |
| 726 | .set_rate = tegra30_twd_clk_set_rate, |
| 727 | }; |
| 728 | |
| 729 | /* Blink output functions */ |
| 730 | |
| 731 | static void tegra30_blink_clk_init(struct clk *c) |
| 732 | { |
| 733 | u32 val; |
| 734 | |
| 735 | val = pmc_readl(PMC_CTRL); |
| 736 | c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF; |
| 737 | c->mul = 1; |
| 738 | val = pmc_readl(c->reg); |
| 739 | |
| 740 | if (val & PMC_BLINK_TIMER_ENB) { |
| 741 | unsigned int on_off; |
| 742 | |
| 743 | on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) & |
| 744 | PMC_BLINK_TIMER_DATA_ON_MASK; |
| 745 | val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT; |
| 746 | val &= PMC_BLINK_TIMER_DATA_OFF_MASK; |
| 747 | on_off += val; |
| 748 | /* each tick in the blink timer is 4 32KHz clocks */ |
| 749 | c->div = on_off * 4; |
| 750 | } else { |
| 751 | c->div = 1; |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | static int tegra30_blink_clk_enable(struct clk *c) |
| 756 | { |
| 757 | u32 val; |
| 758 | |
| 759 | val = pmc_readl(PMC_DPD_PADS_ORIDE); |
| 760 | pmc_writel(val | PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); |
| 761 | |
| 762 | val = pmc_readl(PMC_CTRL); |
| 763 | pmc_writel(val | PMC_CTRL_BLINK_ENB, PMC_CTRL); |
| 764 | |
| 765 | return 0; |
| 766 | } |
| 767 | |
| 768 | static void tegra30_blink_clk_disable(struct clk *c) |
| 769 | { |
| 770 | u32 val; |
| 771 | |
| 772 | val = pmc_readl(PMC_CTRL); |
| 773 | pmc_writel(val & ~PMC_CTRL_BLINK_ENB, PMC_CTRL); |
| 774 | |
| 775 | val = pmc_readl(PMC_DPD_PADS_ORIDE); |
| 776 | pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); |
| 777 | } |
| 778 | |
| 779 | static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) |
| 780 | { |
| 781 | unsigned long parent_rate = clk_get_rate(c->parent); |
| 782 | if (rate >= parent_rate) { |
| 783 | c->div = 1; |
| 784 | pmc_writel(0, c->reg); |
| 785 | } else { |
| 786 | unsigned int on_off; |
| 787 | u32 val; |
| 788 | |
| 789 | on_off = DIV_ROUND_UP(parent_rate / 8, rate); |
| 790 | c->div = on_off * 8; |
| 791 | |
| 792 | val = (on_off & PMC_BLINK_TIMER_DATA_ON_MASK) << |
| 793 | PMC_BLINK_TIMER_DATA_ON_SHIFT; |
| 794 | on_off &= PMC_BLINK_TIMER_DATA_OFF_MASK; |
| 795 | on_off <<= PMC_BLINK_TIMER_DATA_OFF_SHIFT; |
| 796 | val |= on_off; |
| 797 | val |= PMC_BLINK_TIMER_ENB; |
| 798 | pmc_writel(val, c->reg); |
| 799 | } |
| 800 | |
| 801 | return 0; |
| 802 | } |
| 803 | |
| 804 | static struct clk_ops tegra_blink_clk_ops = { |
| 805 | .init = &tegra30_blink_clk_init, |
| 806 | .enable = &tegra30_blink_clk_enable, |
| 807 | .disable = &tegra30_blink_clk_disable, |
| 808 | .set_rate = &tegra30_blink_clk_set_rate, |
| 809 | }; |
| 810 | |
| 811 | /* PLL Functions */ |
| 812 | static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg, |
| 813 | u32 lock_bit) |
| 814 | { |
| 815 | #if USE_PLL_LOCK_BITS |
| 816 | int i; |
| 817 | for (i = 0; i < c->u.pll.lock_delay; i++) { |
| 818 | if (clk_readl(lock_reg) & lock_bit) { |
| 819 | udelay(PLL_POST_LOCK_DELAY); |
| 820 | return 0; |
| 821 | } |
| 822 | udelay(2); /* timeout = 2 * lock time */ |
| 823 | } |
| 824 | pr_err("Timed out waiting for lock bit on pll %s", c->name); |
| 825 | return -1; |
| 826 | #endif |
| 827 | udelay(c->u.pll.lock_delay); |
| 828 | |
| 829 | return 0; |
| 830 | } |
| 831 | |
| 832 | |
| 833 | static void tegra30_utmi_param_configure(struct clk *c) |
| 834 | { |
| 835 | u32 reg; |
| 836 | int i; |
| 837 | unsigned long main_rate = |
| 838 | clk_get_rate(c->parent->parent); |
| 839 | |
| 840 | for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { |
| 841 | if (main_rate == utmi_parameters[i].osc_frequency) |
| 842 | break; |
| 843 | } |
| 844 | |
| 845 | if (i >= ARRAY_SIZE(utmi_parameters)) { |
| 846 | pr_err("%s: Unexpected main rate %lu\n", __func__, main_rate); |
| 847 | return; |
| 848 | } |
| 849 | |
| 850 | reg = clk_readl(UTMIP_PLL_CFG2); |
| 851 | |
| 852 | /* Program UTMIP PLL stable and active counts */ |
| 853 | /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ |
| 854 | reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); |
| 855 | reg |= UTMIP_PLL_CFG2_STABLE_COUNT( |
| 856 | utmi_parameters[i].stable_count); |
| 857 | |
| 858 | reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); |
| 859 | |
| 860 | reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT( |
| 861 | utmi_parameters[i].active_delay_count); |
| 862 | |
| 863 | /* Remove power downs from UTMIP PLL control bits */ |
| 864 | reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; |
| 865 | reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; |
| 866 | reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN; |
| 867 | |
| 868 | clk_writel(reg, UTMIP_PLL_CFG2); |
| 869 | |
| 870 | /* Program UTMIP PLL delay and oscillator frequency counts */ |
| 871 | reg = clk_readl(UTMIP_PLL_CFG1); |
| 872 | reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); |
| 873 | |
| 874 | reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT( |
| 875 | utmi_parameters[i].enable_delay_count); |
| 876 | |
| 877 | reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); |
| 878 | reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT( |
| 879 | utmi_parameters[i].xtal_freq_count); |
| 880 | |
| 881 | /* Remove power downs from UTMIP PLL control bits */ |
| 882 | reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; |
| 883 | reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN; |
| 884 | reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; |
| 885 | |
| 886 | clk_writel(reg, UTMIP_PLL_CFG1); |
| 887 | } |
| 888 | |
| 889 | static void tegra30_pll_clk_init(struct clk *c) |
| 890 | { |
| 891 | u32 val = clk_readl(c->reg + PLL_BASE); |
| 892 | |
| 893 | c->state = (val & PLL_BASE_ENABLE) ? ON : OFF; |
| 894 | |
| 895 | if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { |
| 896 | const struct clk_pll_freq_table *sel; |
| 897 | unsigned long input_rate = clk_get_rate(c->parent); |
| 898 | for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { |
| 899 | if (sel->input_rate == input_rate && |
| 900 | sel->output_rate == c->u.pll.fixed_rate) { |
| 901 | c->mul = sel->n; |
| 902 | c->div = sel->m * sel->p; |
| 903 | return; |
| 904 | } |
| 905 | } |
| 906 | pr_err("Clock %s has unknown fixed frequency\n", c->name); |
| 907 | BUG(); |
| 908 | } else if (val & PLL_BASE_BYPASS) { |
| 909 | c->mul = 1; |
| 910 | c->div = 1; |
| 911 | } else { |
| 912 | c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT; |
| 913 | c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT; |
| 914 | if (c->flags & PLLU) |
| 915 | c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2; |
| 916 | else |
| 917 | c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >> |
| 918 | PLL_BASE_DIVP_SHIFT)); |
| 919 | if (c->flags & PLL_FIXED) { |
| 920 | unsigned long rate = clk_get_rate_locked(c); |
| 921 | BUG_ON(rate != c->u.pll.fixed_rate); |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | if (c->flags & PLLU) |
| 926 | tegra30_utmi_param_configure(c); |
| 927 | } |
| 928 | |
| 929 | static int tegra30_pll_clk_enable(struct clk *c) |
| 930 | { |
| 931 | u32 val; |
| 932 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 933 | |
| 934 | #if USE_PLL_LOCK_BITS |
| 935 | val = clk_readl(c->reg + PLL_MISC(c)); |
| 936 | val |= PLL_MISC_LOCK_ENABLE(c); |
| 937 | clk_writel(val, c->reg + PLL_MISC(c)); |
| 938 | #endif |
| 939 | val = clk_readl(c->reg + PLL_BASE); |
| 940 | val &= ~PLL_BASE_BYPASS; |
| 941 | val |= PLL_BASE_ENABLE; |
| 942 | clk_writel(val, c->reg + PLL_BASE); |
| 943 | |
| 944 | if (c->flags & PLLM) { |
| 945 | val = pmc_readl(PMC_PLLP_WB0_OVERRIDE); |
| 946 | val |= PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE; |
| 947 | pmc_writel(val, PMC_PLLP_WB0_OVERRIDE); |
| 948 | } |
| 949 | |
| 950 | tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_BASE, PLL_BASE_LOCK); |
| 951 | |
| 952 | return 0; |
| 953 | } |
| 954 | |
| 955 | static void tegra30_pll_clk_disable(struct clk *c) |
| 956 | { |
| 957 | u32 val; |
| 958 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 959 | |
| 960 | val = clk_readl(c->reg); |
| 961 | val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); |
| 962 | clk_writel(val, c->reg); |
| 963 | |
| 964 | if (c->flags & PLLM) { |
| 965 | val = pmc_readl(PMC_PLLP_WB0_OVERRIDE); |
| 966 | val &= ~PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE; |
| 967 | pmc_writel(val, PMC_PLLP_WB0_OVERRIDE); |
| 968 | } |
| 969 | } |
| 970 | |
| 971 | static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) |
| 972 | { |
| 973 | u32 val, p_div, old_base; |
| 974 | unsigned long input_rate; |
| 975 | const struct clk_pll_freq_table *sel; |
| 976 | struct clk_pll_freq_table cfg; |
| 977 | |
| 978 | pr_debug("%s: %s %lu\n", __func__, c->name, rate); |
| 979 | |
| 980 | if (c->flags & PLL_FIXED) { |
| 981 | int ret = 0; |
| 982 | if (rate != c->u.pll.fixed_rate) { |
| 983 | pr_err("%s: Can not change %s fixed rate %lu to %lu\n", |
| 984 | __func__, c->name, c->u.pll.fixed_rate, rate); |
| 985 | ret = -EINVAL; |
| 986 | } |
| 987 | return ret; |
| 988 | } |
| 989 | |
| 990 | if (c->flags & PLLM) { |
| 991 | if (rate != clk_get_rate_locked(c)) { |
| 992 | pr_err("%s: Can not change memory %s rate in flight\n", |
| 993 | __func__, c->name); |
| 994 | return -EINVAL; |
| 995 | } |
| 996 | return 0; |
| 997 | } |
| 998 | |
| 999 | p_div = 0; |
| 1000 | input_rate = clk_get_rate(c->parent); |
| 1001 | |
| 1002 | /* Check if the target rate is tabulated */ |
| 1003 | for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { |
| 1004 | if (sel->input_rate == input_rate && sel->output_rate == rate) { |
| 1005 | if (c->flags & PLLU) { |
| 1006 | BUG_ON(sel->p < 1 || sel->p > 2); |
| 1007 | if (sel->p == 1) |
| 1008 | p_div = PLLU_BASE_POST_DIV; |
| 1009 | } else { |
| 1010 | BUG_ON(sel->p < 1); |
| 1011 | for (val = sel->p; val > 1; val >>= 1) |
| 1012 | p_div++; |
| 1013 | p_div <<= PLL_BASE_DIVP_SHIFT; |
| 1014 | } |
| 1015 | break; |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | /* Configure out-of-table rate */ |
| 1020 | if (sel->input_rate == 0) { |
| 1021 | unsigned long cfreq; |
| 1022 | BUG_ON(c->flags & PLLU); |
| 1023 | sel = &cfg; |
| 1024 | |
| 1025 | switch (input_rate) { |
| 1026 | case 12000000: |
| 1027 | case 26000000: |
| 1028 | cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000; |
| 1029 | break; |
| 1030 | case 13000000: |
| 1031 | cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000; |
| 1032 | break; |
| 1033 | case 16800000: |
| 1034 | case 19200000: |
| 1035 | cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000; |
| 1036 | break; |
| 1037 | default: |
| 1038 | pr_err("%s: Unexpected reference rate %lu\n", |
| 1039 | __func__, input_rate); |
| 1040 | BUG(); |
| 1041 | } |
| 1042 | |
| 1043 | /* Raise VCO to guarantee 0.5% accuracy */ |
| 1044 | for (cfg.output_rate = rate; cfg.output_rate < 200 * cfreq; |
| 1045 | cfg.output_rate <<= 1) |
| 1046 | p_div++; |
| 1047 | |
| 1048 | cfg.p = 0x1 << p_div; |
| 1049 | cfg.m = input_rate / cfreq; |
| 1050 | cfg.n = cfg.output_rate / cfreq; |
| 1051 | cfg.cpcon = OUT_OF_TABLE_CPCON; |
| 1052 | |
| 1053 | if ((cfg.m > (PLL_BASE_DIVM_MASK >> PLL_BASE_DIVM_SHIFT)) || |
| 1054 | (cfg.n > (PLL_BASE_DIVN_MASK >> PLL_BASE_DIVN_SHIFT)) || |
| 1055 | (p_div > (PLL_BASE_DIVP_MASK >> PLL_BASE_DIVP_SHIFT)) || |
| 1056 | (cfg.output_rate > c->u.pll.vco_max)) { |
| 1057 | pr_err("%s: Failed to set %s out-of-table rate %lu\n", |
| 1058 | __func__, c->name, rate); |
| 1059 | return -EINVAL; |
| 1060 | } |
| 1061 | p_div <<= PLL_BASE_DIVP_SHIFT; |
| 1062 | } |
| 1063 | |
| 1064 | c->mul = sel->n; |
| 1065 | c->div = sel->m * sel->p; |
| 1066 | |
| 1067 | old_base = val = clk_readl(c->reg + PLL_BASE); |
| 1068 | val &= ~(PLL_BASE_DIVM_MASK | PLL_BASE_DIVN_MASK | |
| 1069 | ((c->flags & PLLU) ? PLLU_BASE_POST_DIV : PLL_BASE_DIVP_MASK)); |
| 1070 | val |= (sel->m << PLL_BASE_DIVM_SHIFT) | |
| 1071 | (sel->n << PLL_BASE_DIVN_SHIFT) | p_div; |
| 1072 | if (val == old_base) |
| 1073 | return 0; |
| 1074 | |
| 1075 | if (c->state == ON) { |
| 1076 | tegra30_pll_clk_disable(c); |
| 1077 | val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); |
| 1078 | } |
| 1079 | clk_writel(val, c->reg + PLL_BASE); |
| 1080 | |
| 1081 | if (c->flags & PLL_HAS_CPCON) { |
| 1082 | val = clk_readl(c->reg + PLL_MISC(c)); |
| 1083 | val &= ~PLL_MISC_CPCON_MASK; |
| 1084 | val |= sel->cpcon << PLL_MISC_CPCON_SHIFT; |
| 1085 | if (c->flags & (PLLU | PLLD)) { |
| 1086 | val &= ~PLL_MISC_LFCON_MASK; |
| 1087 | if (sel->n >= PLLDU_LFCON_SET_DIVN) |
| 1088 | val |= 0x1 << PLL_MISC_LFCON_SHIFT; |
| 1089 | } else if (c->flags & (PLLX | PLLM)) { |
| 1090 | val &= ~(0x1 << PLL_MISC_DCCON_SHIFT); |
| 1091 | if (rate >= (c->u.pll.vco_max >> 1)) |
| 1092 | val |= 0x1 << PLL_MISC_DCCON_SHIFT; |
| 1093 | } |
| 1094 | clk_writel(val, c->reg + PLL_MISC(c)); |
| 1095 | } |
| 1096 | |
| 1097 | if (c->state == ON) |
| 1098 | tegra30_pll_clk_enable(c); |
| 1099 | |
| 1100 | return 0; |
| 1101 | } |
| 1102 | |
| 1103 | static struct clk_ops tegra_pll_ops = { |
| 1104 | .init = tegra30_pll_clk_init, |
| 1105 | .enable = tegra30_pll_clk_enable, |
| 1106 | .disable = tegra30_pll_clk_disable, |
| 1107 | .set_rate = tegra30_pll_clk_set_rate, |
| 1108 | }; |
| 1109 | |
| 1110 | static int |
| 1111 | tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) |
| 1112 | { |
| 1113 | u32 val, mask, reg; |
| 1114 | |
| 1115 | switch (p) { |
| 1116 | case TEGRA_CLK_PLLD_CSI_OUT_ENB: |
| 1117 | mask = PLLD_BASE_CSI_CLKENABLE; |
| 1118 | reg = c->reg + PLL_BASE; |
| 1119 | break; |
| 1120 | case TEGRA_CLK_PLLD_DSI_OUT_ENB: |
| 1121 | mask = PLLD_MISC_DSI_CLKENABLE; |
| 1122 | reg = c->reg + PLL_MISC(c); |
| 1123 | break; |
| 1124 | case TEGRA_CLK_PLLD_MIPI_MUX_SEL: |
| 1125 | if (!(c->flags & PLL_ALT_MISC_REG)) { |
| 1126 | mask = PLLD_BASE_DSIB_MUX_MASK; |
| 1127 | reg = c->reg + PLL_BASE; |
| 1128 | break; |
| 1129 | } |
| 1130 | /* fall through - error since PLLD2 does not have MUX_SEL control */ |
| 1131 | default: |
| 1132 | return -EINVAL; |
| 1133 | } |
| 1134 | |
| 1135 | val = clk_readl(reg); |
| 1136 | if (setting) |
| 1137 | val |= mask; |
| 1138 | else |
| 1139 | val &= ~mask; |
| 1140 | clk_writel(val, reg); |
| 1141 | return 0; |
| 1142 | } |
| 1143 | |
| 1144 | static struct clk_ops tegra_plld_ops = { |
| 1145 | .init = tegra30_pll_clk_init, |
| 1146 | .enable = tegra30_pll_clk_enable, |
| 1147 | .disable = tegra30_pll_clk_disable, |
| 1148 | .set_rate = tegra30_pll_clk_set_rate, |
| 1149 | .clk_cfg_ex = tegra30_plld_clk_cfg_ex, |
| 1150 | }; |
| 1151 | |
| 1152 | static void tegra30_plle_clk_init(struct clk *c) |
| 1153 | { |
| 1154 | u32 val; |
| 1155 | |
| 1156 | val = clk_readl(PLLE_AUX); |
| 1157 | c->parent = (val & PLLE_AUX_PLLP_SEL) ? |
| 1158 | tegra_get_clock_by_name("pll_p") : |
| 1159 | tegra_get_clock_by_name("pll_ref"); |
| 1160 | |
| 1161 | val = clk_readl(c->reg + PLL_BASE); |
| 1162 | c->state = (val & PLLE_BASE_ENABLE) ? ON : OFF; |
| 1163 | c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT; |
| 1164 | c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT; |
| 1165 | c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT; |
| 1166 | } |
| 1167 | |
| 1168 | static void tegra30_plle_clk_disable(struct clk *c) |
| 1169 | { |
| 1170 | u32 val; |
| 1171 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 1172 | |
| 1173 | val = clk_readl(c->reg + PLL_BASE); |
| 1174 | val &= ~(PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE); |
| 1175 | clk_writel(val, c->reg + PLL_BASE); |
| 1176 | } |
| 1177 | |
| 1178 | static void tegra30_plle_training(struct clk *c) |
| 1179 | { |
| 1180 | u32 val; |
| 1181 | |
| 1182 | /* PLLE is already disabled, and setup cleared; |
| 1183 | * create falling edge on PLLE IDDQ input */ |
| 1184 | val = pmc_readl(PMC_SATA_PWRGT); |
| 1185 | val |= PMC_SATA_PWRGT_PLLE_IDDQ_VALUE; |
| 1186 | pmc_writel(val, PMC_SATA_PWRGT); |
| 1187 | |
| 1188 | val = pmc_readl(PMC_SATA_PWRGT); |
| 1189 | val |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL; |
| 1190 | pmc_writel(val, PMC_SATA_PWRGT); |
| 1191 | |
| 1192 | val = pmc_readl(PMC_SATA_PWRGT); |
| 1193 | val &= ~PMC_SATA_PWRGT_PLLE_IDDQ_VALUE; |
| 1194 | pmc_writel(val, PMC_SATA_PWRGT); |
| 1195 | |
| 1196 | do { |
| 1197 | val = clk_readl(c->reg + PLL_MISC(c)); |
| 1198 | } while (!(val & PLLE_MISC_READY)); |
| 1199 | } |
| 1200 | |
| 1201 | static int tegra30_plle_configure(struct clk *c, bool force_training) |
| 1202 | { |
| 1203 | u32 val; |
| 1204 | const struct clk_pll_freq_table *sel; |
| 1205 | unsigned long rate = c->u.pll.fixed_rate; |
| 1206 | unsigned long input_rate = clk_get_rate(c->parent); |
| 1207 | |
| 1208 | for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { |
| 1209 | if (sel->input_rate == input_rate && sel->output_rate == rate) |
| 1210 | break; |
| 1211 | } |
| 1212 | |
| 1213 | if (sel->input_rate == 0) |
| 1214 | return -ENOSYS; |
| 1215 | |
| 1216 | /* disable PLLE, clear setup fiels */ |
| 1217 | tegra30_plle_clk_disable(c); |
| 1218 | |
| 1219 | val = clk_readl(c->reg + PLL_MISC(c)); |
| 1220 | val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK); |
| 1221 | clk_writel(val, c->reg + PLL_MISC(c)); |
| 1222 | |
| 1223 | /* training */ |
| 1224 | val = clk_readl(c->reg + PLL_MISC(c)); |
| 1225 | if (force_training || (!(val & PLLE_MISC_READY))) |
| 1226 | tegra30_plle_training(c); |
| 1227 | |
| 1228 | /* configure dividers, setup, disable SS */ |
| 1229 | val = clk_readl(c->reg + PLL_BASE); |
| 1230 | val &= ~PLLE_BASE_DIV_MASK; |
| 1231 | val |= PLLE_BASE_DIV(sel->m, sel->n, sel->p, sel->cpcon); |
| 1232 | clk_writel(val, c->reg + PLL_BASE); |
| 1233 | c->mul = sel->n; |
| 1234 | c->div = sel->m * sel->p; |
| 1235 | |
| 1236 | val = clk_readl(c->reg + PLL_MISC(c)); |
| 1237 | val |= PLLE_MISC_SETUP_VALUE; |
| 1238 | val |= PLLE_MISC_LOCK_ENABLE; |
| 1239 | clk_writel(val, c->reg + PLL_MISC(c)); |
| 1240 | |
| 1241 | val = clk_readl(PLLE_SS_CTRL); |
| 1242 | val |= PLLE_SS_DISABLE; |
| 1243 | clk_writel(val, PLLE_SS_CTRL); |
| 1244 | |
| 1245 | /* enable and lock PLLE*/ |
| 1246 | val = clk_readl(c->reg + PLL_BASE); |
| 1247 | val |= (PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE); |
| 1248 | clk_writel(val, c->reg + PLL_BASE); |
| 1249 | |
| 1250 | tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_MISC(c), PLLE_MISC_LOCK); |
| 1251 | |
| 1252 | return 0; |
| 1253 | } |
| 1254 | |
| 1255 | static int tegra30_plle_clk_enable(struct clk *c) |
| 1256 | { |
| 1257 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 1258 | return tegra30_plle_configure(c, !c->set); |
| 1259 | } |
| 1260 | |
| 1261 | static struct clk_ops tegra_plle_ops = { |
| 1262 | .init = tegra30_plle_clk_init, |
| 1263 | .enable = tegra30_plle_clk_enable, |
| 1264 | .disable = tegra30_plle_clk_disable, |
| 1265 | }; |
| 1266 | |
| 1267 | /* Clock divider ops */ |
| 1268 | static void tegra30_pll_div_clk_init(struct clk *c) |
| 1269 | { |
| 1270 | if (c->flags & DIV_U71) { |
| 1271 | u32 divu71; |
| 1272 | u32 val = clk_readl(c->reg); |
| 1273 | val >>= c->reg_shift; |
| 1274 | c->state = (val & PLL_OUT_CLKEN) ? ON : OFF; |
| 1275 | if (!(val & PLL_OUT_RESET_DISABLE)) |
| 1276 | c->state = OFF; |
| 1277 | |
| 1278 | divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; |
| 1279 | c->div = (divu71 + 2); |
| 1280 | c->mul = 2; |
| 1281 | } else if (c->flags & DIV_2) { |
| 1282 | c->state = ON; |
| 1283 | if (c->flags & (PLLD | PLLX)) { |
| 1284 | c->div = 2; |
| 1285 | c->mul = 1; |
| 1286 | } else |
| 1287 | BUG(); |
| 1288 | } else { |
| 1289 | c->state = ON; |
| 1290 | c->div = 1; |
| 1291 | c->mul = 1; |
| 1292 | } |
| 1293 | } |
| 1294 | |
| 1295 | static int tegra30_pll_div_clk_enable(struct clk *c) |
| 1296 | { |
| 1297 | u32 val; |
| 1298 | u32 new_val; |
| 1299 | |
| 1300 | pr_debug("%s: %s\n", __func__, c->name); |
| 1301 | if (c->flags & DIV_U71) { |
| 1302 | val = clk_readl(c->reg); |
| 1303 | new_val = val >> c->reg_shift; |
| 1304 | new_val &= 0xFFFF; |
| 1305 | |
| 1306 | new_val |= PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE; |
| 1307 | |
| 1308 | val &= ~(0xFFFF << c->reg_shift); |
| 1309 | val |= new_val << c->reg_shift; |
| 1310 | clk_writel_delay(val, c->reg); |
| 1311 | return 0; |
| 1312 | } else if (c->flags & DIV_2) { |
| 1313 | return 0; |
| 1314 | } |
| 1315 | return -EINVAL; |
| 1316 | } |
| 1317 | |
| 1318 | static void tegra30_pll_div_clk_disable(struct clk *c) |
| 1319 | { |
| 1320 | u32 val; |
| 1321 | u32 new_val; |
| 1322 | |
| 1323 | pr_debug("%s: %s\n", __func__, c->name); |
| 1324 | if (c->flags & DIV_U71) { |
| 1325 | val = clk_readl(c->reg); |
| 1326 | new_val = val >> c->reg_shift; |
| 1327 | new_val &= 0xFFFF; |
| 1328 | |
| 1329 | new_val &= ~(PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE); |
| 1330 | |
| 1331 | val &= ~(0xFFFF << c->reg_shift); |
| 1332 | val |= new_val << c->reg_shift; |
| 1333 | clk_writel_delay(val, c->reg); |
| 1334 | } |
| 1335 | } |
| 1336 | |
| 1337 | static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate) |
| 1338 | { |
| 1339 | u32 val; |
| 1340 | u32 new_val; |
| 1341 | int divider_u71; |
| 1342 | unsigned long parent_rate = clk_get_rate(c->parent); |
| 1343 | |
| 1344 | pr_debug("%s: %s %lu\n", __func__, c->name, rate); |
| 1345 | if (c->flags & DIV_U71) { |
| 1346 | divider_u71 = clk_div71_get_divider( |
| 1347 | parent_rate, rate, c->flags, ROUND_DIVIDER_UP); |
| 1348 | if (divider_u71 >= 0) { |
| 1349 | val = clk_readl(c->reg); |
| 1350 | new_val = val >> c->reg_shift; |
| 1351 | new_val &= 0xFFFF; |
| 1352 | if (c->flags & DIV_U71_FIXED) |
| 1353 | new_val |= PLL_OUT_OVERRIDE; |
| 1354 | new_val &= ~PLL_OUT_RATIO_MASK; |
| 1355 | new_val |= divider_u71 << PLL_OUT_RATIO_SHIFT; |
| 1356 | |
| 1357 | val &= ~(0xFFFF << c->reg_shift); |
| 1358 | val |= new_val << c->reg_shift; |
| 1359 | clk_writel_delay(val, c->reg); |
| 1360 | c->div = divider_u71 + 2; |
| 1361 | c->mul = 2; |
| 1362 | return 0; |
| 1363 | } |
| 1364 | } else if (c->flags & DIV_2) |
| 1365 | return clk_set_rate(c->parent, rate * 2); |
| 1366 | |
| 1367 | return -EINVAL; |
| 1368 | } |
| 1369 | |
| 1370 | static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) |
| 1371 | { |
| 1372 | int divider; |
| 1373 | unsigned long parent_rate = clk_get_rate(c->parent); |
| 1374 | pr_debug("%s: %s %lu\n", __func__, c->name, rate); |
| 1375 | |
| 1376 | if (c->flags & DIV_U71) { |
| 1377 | divider = clk_div71_get_divider( |
| 1378 | parent_rate, rate, c->flags, ROUND_DIVIDER_UP); |
| 1379 | if (divider < 0) |
| 1380 | return divider; |
| 1381 | return DIV_ROUND_UP(parent_rate * 2, divider + 2); |
| 1382 | } else if (c->flags & DIV_2) |
| 1383 | /* no rounding - fixed DIV_2 dividers pass rate to parent PLL */ |
| 1384 | return rate; |
| 1385 | |
| 1386 | return -EINVAL; |
| 1387 | } |
| 1388 | |
| 1389 | static struct clk_ops tegra_pll_div_ops = { |
| 1390 | .init = tegra30_pll_div_clk_init, |
| 1391 | .enable = tegra30_pll_div_clk_enable, |
| 1392 | .disable = tegra30_pll_div_clk_disable, |
| 1393 | .set_rate = tegra30_pll_div_clk_set_rate, |
| 1394 | .round_rate = tegra30_pll_div_clk_round_rate, |
| 1395 | }; |
| 1396 | |
| 1397 | /* Periph clk ops */ |
| 1398 | static inline u32 periph_clk_source_mask(struct clk *c) |
| 1399 | { |
| 1400 | if (c->flags & MUX8) |
| 1401 | return 7 << 29; |
| 1402 | else if (c->flags & MUX_PWM) |
| 1403 | return 3 << 28; |
| 1404 | else if (c->flags & MUX_CLK_OUT) |
| 1405 | return 3 << (c->u.periph.clk_num + 4); |
| 1406 | else if (c->flags & PLLD) |
| 1407 | return PLLD_BASE_DSIB_MUX_MASK; |
| 1408 | else |
| 1409 | return 3 << 30; |
| 1410 | } |
| 1411 | |
| 1412 | static inline u32 periph_clk_source_shift(struct clk *c) |
| 1413 | { |
| 1414 | if (c->flags & MUX8) |
| 1415 | return 29; |
| 1416 | else if (c->flags & MUX_PWM) |
| 1417 | return 28; |
| 1418 | else if (c->flags & MUX_CLK_OUT) |
| 1419 | return c->u.periph.clk_num + 4; |
| 1420 | else if (c->flags & PLLD) |
| 1421 | return PLLD_BASE_DSIB_MUX_SHIFT; |
| 1422 | else |
| 1423 | return 30; |
| 1424 | } |
| 1425 | |
| 1426 | static void tegra30_periph_clk_init(struct clk *c) |
| 1427 | { |
| 1428 | u32 val = clk_readl(c->reg); |
| 1429 | const struct clk_mux_sel *mux = 0; |
| 1430 | const struct clk_mux_sel *sel; |
| 1431 | if (c->flags & MUX) { |
| 1432 | for (sel = c->inputs; sel->input != NULL; sel++) { |
| 1433 | if (((val & periph_clk_source_mask(c)) >> |
| 1434 | periph_clk_source_shift(c)) == sel->value) |
| 1435 | mux = sel; |
| 1436 | } |
| 1437 | BUG_ON(!mux); |
| 1438 | |
| 1439 | c->parent = mux->input; |
| 1440 | } else { |
| 1441 | c->parent = c->inputs[0].input; |
| 1442 | } |
| 1443 | |
| 1444 | if (c->flags & DIV_U71) { |
| 1445 | u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; |
| 1446 | if ((c->flags & DIV_U71_UART) && |
| 1447 | (!(val & PERIPH_CLK_UART_DIV_ENB))) { |
| 1448 | divu71 = 0; |
| 1449 | } |
| 1450 | if (c->flags & DIV_U71_IDLE) { |
| 1451 | val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK << |
| 1452 | PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); |
| 1453 | val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL << |
| 1454 | PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); |
| 1455 | clk_writel(val, c->reg); |
| 1456 | } |
| 1457 | c->div = divu71 + 2; |
| 1458 | c->mul = 2; |
| 1459 | } else if (c->flags & DIV_U16) { |
| 1460 | u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; |
| 1461 | c->div = divu16 + 1; |
| 1462 | c->mul = 1; |
| 1463 | } else { |
| 1464 | c->div = 1; |
| 1465 | c->mul = 1; |
| 1466 | } |
| 1467 | |
| 1468 | c->state = ON; |
| 1469 | if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) |
| 1470 | c->state = OFF; |
| 1471 | if (!(c->flags & PERIPH_NO_RESET)) |
| 1472 | if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & PERIPH_CLK_TO_BIT(c)) |
| 1473 | c->state = OFF; |
| 1474 | } |
| 1475 | |
| 1476 | static int tegra30_periph_clk_enable(struct clk *c) |
| 1477 | { |
| 1478 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 1479 | |
| 1480 | tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; |
| 1481 | if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1) |
| 1482 | return 0; |
| 1483 | |
| 1484 | clk_writel_delay(PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_SET_REG(c)); |
| 1485 | if (!(c->flags & PERIPH_NO_RESET) && |
| 1486 | !(c->flags & PERIPH_MANUAL_RESET)) { |
| 1487 | if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & |
| 1488 | PERIPH_CLK_TO_BIT(c)) { |
| 1489 | udelay(5); /* reset propagation delay */ |
| 1490 | clk_writel(PERIPH_CLK_TO_BIT(c), |
| 1491 | PERIPH_CLK_TO_RST_CLR_REG(c)); |
| 1492 | } |
| 1493 | } |
| 1494 | return 0; |
| 1495 | } |
| 1496 | |
| 1497 | static void tegra30_periph_clk_disable(struct clk *c) |
| 1498 | { |
| 1499 | unsigned long val; |
| 1500 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 1501 | |
| 1502 | if (c->refcnt) |
| 1503 | tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; |
| 1504 | |
| 1505 | if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) { |
| 1506 | /* If peripheral is in the APB bus then read the APB bus to |
| 1507 | * flush the write operation in apb bus. This will avoid the |
| 1508 | * peripheral access after disabling clock*/ |
| 1509 | if (c->flags & PERIPH_ON_APB) |
| 1510 | val = chipid_readl(); |
| 1511 | |
| 1512 | clk_writel_delay( |
| 1513 | PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_CLR_REG(c)); |
| 1514 | } |
| 1515 | } |
| 1516 | |
| 1517 | static void tegra30_periph_clk_reset(struct clk *c, bool assert) |
| 1518 | { |
| 1519 | unsigned long val; |
| 1520 | pr_debug("%s %s on clock %s\n", __func__, |
| 1521 | assert ? "assert" : "deassert", c->name); |
| 1522 | |
| 1523 | if (!(c->flags & PERIPH_NO_RESET)) { |
| 1524 | if (assert) { |
| 1525 | /* If peripheral is in the APB bus then read the APB |
| 1526 | * bus to flush the write operation in apb bus. This |
| 1527 | * will avoid the peripheral access after disabling |
| 1528 | * clock */ |
| 1529 | if (c->flags & PERIPH_ON_APB) |
| 1530 | val = chipid_readl(); |
| 1531 | |
| 1532 | clk_writel(PERIPH_CLK_TO_BIT(c), |
| 1533 | PERIPH_CLK_TO_RST_SET_REG(c)); |
| 1534 | } else |
| 1535 | clk_writel(PERIPH_CLK_TO_BIT(c), |
| 1536 | PERIPH_CLK_TO_RST_CLR_REG(c)); |
| 1537 | } |
| 1538 | } |
| 1539 | |
| 1540 | static int tegra30_periph_clk_set_parent(struct clk *c, struct clk *p) |
| 1541 | { |
| 1542 | u32 val; |
| 1543 | const struct clk_mux_sel *sel; |
| 1544 | pr_debug("%s: %s %s\n", __func__, c->name, p->name); |
| 1545 | |
| 1546 | if (!(c->flags & MUX)) |
| 1547 | return (p == c->parent) ? 0 : (-EINVAL); |
| 1548 | |
| 1549 | for (sel = c->inputs; sel->input != NULL; sel++) { |
| 1550 | if (sel->input == p) { |
| 1551 | val = clk_readl(c->reg); |
| 1552 | val &= ~periph_clk_source_mask(c); |
| 1553 | val |= (sel->value << periph_clk_source_shift(c)); |
| 1554 | |
| 1555 | if (c->refcnt) |
| 1556 | clk_enable(p); |
| 1557 | |
| 1558 | clk_writel_delay(val, c->reg); |
| 1559 | |
| 1560 | if (c->refcnt && c->parent) |
| 1561 | clk_disable(c->parent); |
| 1562 | |
| 1563 | clk_reparent(c, p); |
| 1564 | return 0; |
| 1565 | } |
| 1566 | } |
| 1567 | |
| 1568 | return -EINVAL; |
| 1569 | } |
| 1570 | |
| 1571 | static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate) |
| 1572 | { |
| 1573 | u32 val; |
| 1574 | int divider; |
| 1575 | unsigned long parent_rate = clk_get_rate(c->parent); |
| 1576 | |
| 1577 | if (c->flags & DIV_U71) { |
| 1578 | divider = clk_div71_get_divider( |
| 1579 | parent_rate, rate, c->flags, ROUND_DIVIDER_UP); |
| 1580 | if (divider >= 0) { |
| 1581 | val = clk_readl(c->reg); |
| 1582 | val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK; |
| 1583 | val |= divider; |
| 1584 | if (c->flags & DIV_U71_UART) { |
| 1585 | if (divider) |
| 1586 | val |= PERIPH_CLK_UART_DIV_ENB; |
| 1587 | else |
| 1588 | val &= ~PERIPH_CLK_UART_DIV_ENB; |
| 1589 | } |
| 1590 | clk_writel_delay(val, c->reg); |
| 1591 | c->div = divider + 2; |
| 1592 | c->mul = 2; |
| 1593 | return 0; |
| 1594 | } |
| 1595 | } else if (c->flags & DIV_U16) { |
| 1596 | divider = clk_div16_get_divider(parent_rate, rate); |
| 1597 | if (divider >= 0) { |
| 1598 | val = clk_readl(c->reg); |
| 1599 | val &= ~PERIPH_CLK_SOURCE_DIVU16_MASK; |
| 1600 | val |= divider; |
| 1601 | clk_writel_delay(val, c->reg); |
| 1602 | c->div = divider + 1; |
| 1603 | c->mul = 1; |
| 1604 | return 0; |
| 1605 | } |
| 1606 | } else if (parent_rate <= rate) { |
| 1607 | c->div = 1; |
| 1608 | c->mul = 1; |
| 1609 | return 0; |
| 1610 | } |
| 1611 | return -EINVAL; |
| 1612 | } |
| 1613 | |
| 1614 | static long tegra30_periph_clk_round_rate(struct clk *c, |
| 1615 | unsigned long rate) |
| 1616 | { |
| 1617 | int divider; |
| 1618 | unsigned long parent_rate = clk_get_rate(c->parent); |
| 1619 | pr_debug("%s: %s %lu\n", __func__, c->name, rate); |
| 1620 | |
| 1621 | if (c->flags & DIV_U71) { |
| 1622 | divider = clk_div71_get_divider( |
| 1623 | parent_rate, rate, c->flags, ROUND_DIVIDER_UP); |
| 1624 | if (divider < 0) |
| 1625 | return divider; |
| 1626 | |
| 1627 | return DIV_ROUND_UP(parent_rate * 2, divider + 2); |
| 1628 | } else if (c->flags & DIV_U16) { |
| 1629 | divider = clk_div16_get_divider(parent_rate, rate); |
| 1630 | if (divider < 0) |
| 1631 | return divider; |
| 1632 | return DIV_ROUND_UP(parent_rate, divider + 1); |
| 1633 | } |
| 1634 | return -EINVAL; |
| 1635 | } |
| 1636 | |
| 1637 | static struct clk_ops tegra_periph_clk_ops = { |
| 1638 | .init = &tegra30_periph_clk_init, |
| 1639 | .enable = &tegra30_periph_clk_enable, |
| 1640 | .disable = &tegra30_periph_clk_disable, |
| 1641 | .set_parent = &tegra30_periph_clk_set_parent, |
| 1642 | .set_rate = &tegra30_periph_clk_set_rate, |
| 1643 | .round_rate = &tegra30_periph_clk_round_rate, |
| 1644 | .reset = &tegra30_periph_clk_reset, |
| 1645 | }; |
| 1646 | |
| 1647 | |
| 1648 | /* Periph extended clock configuration ops */ |
| 1649 | static int |
| 1650 | tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) |
| 1651 | { |
| 1652 | if (p == TEGRA_CLK_VI_INP_SEL) { |
| 1653 | u32 val = clk_readl(c->reg); |
| 1654 | val &= ~PERIPH_CLK_VI_SEL_EX_MASK; |
| 1655 | val |= (setting << PERIPH_CLK_VI_SEL_EX_SHIFT) & |
| 1656 | PERIPH_CLK_VI_SEL_EX_MASK; |
| 1657 | clk_writel(val, c->reg); |
| 1658 | return 0; |
| 1659 | } |
| 1660 | return -EINVAL; |
| 1661 | } |
| 1662 | |
| 1663 | static struct clk_ops tegra_vi_clk_ops = { |
| 1664 | .init = &tegra30_periph_clk_init, |
| 1665 | .enable = &tegra30_periph_clk_enable, |
| 1666 | .disable = &tegra30_periph_clk_disable, |
| 1667 | .set_parent = &tegra30_periph_clk_set_parent, |
| 1668 | .set_rate = &tegra30_periph_clk_set_rate, |
| 1669 | .round_rate = &tegra30_periph_clk_round_rate, |
| 1670 | .clk_cfg_ex = &tegra30_vi_clk_cfg_ex, |
| 1671 | .reset = &tegra30_periph_clk_reset, |
| 1672 | }; |
| 1673 | |
| 1674 | static int |
| 1675 | tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) |
| 1676 | { |
| 1677 | if (p == TEGRA_CLK_NAND_PAD_DIV2_ENB) { |
| 1678 | u32 val = clk_readl(c->reg); |
| 1679 | if (setting) |
| 1680 | val |= PERIPH_CLK_NAND_DIV_EX_ENB; |
| 1681 | else |
| 1682 | val &= ~PERIPH_CLK_NAND_DIV_EX_ENB; |
| 1683 | clk_writel(val, c->reg); |
| 1684 | return 0; |
| 1685 | } |
| 1686 | return -EINVAL; |
| 1687 | } |
| 1688 | |
| 1689 | static struct clk_ops tegra_nand_clk_ops = { |
| 1690 | .init = &tegra30_periph_clk_init, |
| 1691 | .enable = &tegra30_periph_clk_enable, |
| 1692 | .disable = &tegra30_periph_clk_disable, |
| 1693 | .set_parent = &tegra30_periph_clk_set_parent, |
| 1694 | .set_rate = &tegra30_periph_clk_set_rate, |
| 1695 | .round_rate = &tegra30_periph_clk_round_rate, |
| 1696 | .clk_cfg_ex = &tegra30_nand_clk_cfg_ex, |
| 1697 | .reset = &tegra30_periph_clk_reset, |
| 1698 | }; |
| 1699 | |
| 1700 | |
| 1701 | static int |
| 1702 | tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) |
| 1703 | { |
| 1704 | if (p == TEGRA_CLK_DTV_INVERT) { |
| 1705 | u32 val = clk_readl(c->reg); |
| 1706 | if (setting) |
| 1707 | val |= PERIPH_CLK_DTV_POLARITY_INV; |
| 1708 | else |
| 1709 | val &= ~PERIPH_CLK_DTV_POLARITY_INV; |
| 1710 | clk_writel(val, c->reg); |
| 1711 | return 0; |
| 1712 | } |
| 1713 | return -EINVAL; |
| 1714 | } |
| 1715 | |
| 1716 | static struct clk_ops tegra_dtv_clk_ops = { |
| 1717 | .init = &tegra30_periph_clk_init, |
| 1718 | .enable = &tegra30_periph_clk_enable, |
| 1719 | .disable = &tegra30_periph_clk_disable, |
| 1720 | .set_parent = &tegra30_periph_clk_set_parent, |
| 1721 | .set_rate = &tegra30_periph_clk_set_rate, |
| 1722 | .round_rate = &tegra30_periph_clk_round_rate, |
| 1723 | .clk_cfg_ex = &tegra30_dtv_clk_cfg_ex, |
| 1724 | .reset = &tegra30_periph_clk_reset, |
| 1725 | }; |
| 1726 | |
| 1727 | static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p) |
| 1728 | { |
| 1729 | const struct clk_mux_sel *sel; |
| 1730 | struct clk *d = tegra_get_clock_by_name("pll_d"); |
| 1731 | |
| 1732 | pr_debug("%s: %s %s\n", __func__, c->name, p->name); |
| 1733 | |
| 1734 | for (sel = c->inputs; sel->input != NULL; sel++) { |
| 1735 | if (sel->input == p) { |
| 1736 | if (c->refcnt) |
| 1737 | clk_enable(p); |
| 1738 | |
| 1739 | /* The DSIB parent selection bit is in PLLD base |
| 1740 | register - can not do direct r-m-w, must be |
| 1741 | protected by PLLD lock */ |
| 1742 | tegra_clk_cfg_ex( |
| 1743 | d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, sel->value); |
| 1744 | |
| 1745 | if (c->refcnt && c->parent) |
| 1746 | clk_disable(c->parent); |
| 1747 | |
| 1748 | clk_reparent(c, p); |
| 1749 | return 0; |
| 1750 | } |
| 1751 | } |
| 1752 | |
| 1753 | return -EINVAL; |
| 1754 | } |
| 1755 | |
| 1756 | static struct clk_ops tegra_dsib_clk_ops = { |
| 1757 | .init = &tegra30_periph_clk_init, |
| 1758 | .enable = &tegra30_periph_clk_enable, |
| 1759 | .disable = &tegra30_periph_clk_disable, |
| 1760 | .set_parent = &tegra30_dsib_clk_set_parent, |
| 1761 | .set_rate = &tegra30_periph_clk_set_rate, |
| 1762 | .round_rate = &tegra30_periph_clk_round_rate, |
| 1763 | .reset = &tegra30_periph_clk_reset, |
| 1764 | }; |
| 1765 | |
| 1766 | /* pciex clock support only reset function */ |
| 1767 | static struct clk_ops tegra_pciex_clk_ops = { |
| 1768 | .reset = tegra30_periph_clk_reset, |
| 1769 | }; |
| 1770 | |
| 1771 | /* Output clock ops */ |
| 1772 | |
| 1773 | static DEFINE_SPINLOCK(clk_out_lock); |
| 1774 | |
| 1775 | static void tegra30_clk_out_init(struct clk *c) |
| 1776 | { |
| 1777 | const struct clk_mux_sel *mux = 0; |
| 1778 | const struct clk_mux_sel *sel; |
| 1779 | u32 val = pmc_readl(c->reg); |
| 1780 | |
| 1781 | c->state = (val & (0x1 << c->u.periph.clk_num)) ? ON : OFF; |
| 1782 | c->mul = 1; |
| 1783 | c->div = 1; |
| 1784 | |
| 1785 | for (sel = c->inputs; sel->input != NULL; sel++) { |
| 1786 | if (((val & periph_clk_source_mask(c)) >> |
| 1787 | periph_clk_source_shift(c)) == sel->value) |
| 1788 | mux = sel; |
| 1789 | } |
| 1790 | BUG_ON(!mux); |
| 1791 | c->parent = mux->input; |
| 1792 | } |
| 1793 | |
| 1794 | static int tegra30_clk_out_enable(struct clk *c) |
| 1795 | { |
| 1796 | u32 val; |
| 1797 | unsigned long flags; |
| 1798 | |
| 1799 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 1800 | |
| 1801 | spin_lock_irqsave(&clk_out_lock, flags); |
| 1802 | val = pmc_readl(c->reg); |
| 1803 | val |= (0x1 << c->u.periph.clk_num); |
| 1804 | pmc_writel(val, c->reg); |
| 1805 | spin_unlock_irqrestore(&clk_out_lock, flags); |
| 1806 | |
| 1807 | return 0; |
| 1808 | } |
| 1809 | |
| 1810 | static void tegra30_clk_out_disable(struct clk *c) |
| 1811 | { |
| 1812 | u32 val; |
| 1813 | unsigned long flags; |
| 1814 | |
| 1815 | pr_debug("%s on clock %s\n", __func__, c->name); |
| 1816 | |
| 1817 | spin_lock_irqsave(&clk_out_lock, flags); |
| 1818 | val = pmc_readl(c->reg); |
| 1819 | val &= ~(0x1 << c->u.periph.clk_num); |
| 1820 | pmc_writel(val, c->reg); |
| 1821 | spin_unlock_irqrestore(&clk_out_lock, flags); |
| 1822 | } |
| 1823 | |
| 1824 | static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p) |
| 1825 | { |
| 1826 | u32 val; |
| 1827 | unsigned long flags; |
| 1828 | const struct clk_mux_sel *sel; |
| 1829 | |
| 1830 | pr_debug("%s: %s %s\n", __func__, c->name, p->name); |
| 1831 | |
| 1832 | for (sel = c->inputs; sel->input != NULL; sel++) { |
| 1833 | if (sel->input == p) { |
| 1834 | if (c->refcnt) |
| 1835 | clk_enable(p); |
| 1836 | |
| 1837 | spin_lock_irqsave(&clk_out_lock, flags); |
| 1838 | val = pmc_readl(c->reg); |
| 1839 | val &= ~periph_clk_source_mask(c); |
| 1840 | val |= (sel->value << periph_clk_source_shift(c)); |
| 1841 | pmc_writel(val, c->reg); |
| 1842 | spin_unlock_irqrestore(&clk_out_lock, flags); |
| 1843 | |
| 1844 | if (c->refcnt && c->parent) |
| 1845 | clk_disable(c->parent); |
| 1846 | |
| 1847 | clk_reparent(c, p); |
| 1848 | return 0; |
| 1849 | } |
| 1850 | } |
| 1851 | return -EINVAL; |
| 1852 | } |
| 1853 | |
| 1854 | static struct clk_ops tegra_clk_out_ops = { |
| 1855 | .init = &tegra30_clk_out_init, |
| 1856 | .enable = &tegra30_clk_out_enable, |
| 1857 | .disable = &tegra30_clk_out_disable, |
| 1858 | .set_parent = &tegra30_clk_out_set_parent, |
| 1859 | }; |
| 1860 | |
| 1861 | |
| 1862 | /* Clock doubler ops */ |
| 1863 | static void tegra30_clk_double_init(struct clk *c) |
| 1864 | { |
| 1865 | u32 val = clk_readl(c->reg); |
| 1866 | c->mul = val & (0x1 << c->reg_shift) ? 1 : 2; |
| 1867 | c->div = 1; |
| 1868 | c->state = ON; |
| 1869 | if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) |
| 1870 | c->state = OFF; |
| 1871 | }; |
| 1872 | |
| 1873 | static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) |
| 1874 | { |
| 1875 | u32 val; |
| 1876 | unsigned long parent_rate = clk_get_rate(c->parent); |
| 1877 | if (rate == parent_rate) { |
| 1878 | val = clk_readl(c->reg) | (0x1 << c->reg_shift); |
| 1879 | clk_writel(val, c->reg); |
| 1880 | c->mul = 1; |
| 1881 | c->div = 1; |
| 1882 | return 0; |
| 1883 | } else if (rate == 2 * parent_rate) { |
| 1884 | val = clk_readl(c->reg) & (~(0x1 << c->reg_shift)); |
| 1885 | clk_writel(val, c->reg); |
| 1886 | c->mul = 2; |
| 1887 | c->div = 1; |
| 1888 | return 0; |
| 1889 | } |
| 1890 | return -EINVAL; |
| 1891 | } |
| 1892 | |
| 1893 | static struct clk_ops tegra_clk_double_ops = { |
| 1894 | .init = &tegra30_clk_double_init, |
| 1895 | .enable = &tegra30_periph_clk_enable, |
| 1896 | .disable = &tegra30_periph_clk_disable, |
| 1897 | .set_rate = &tegra30_clk_double_set_rate, |
| 1898 | }; |
| 1899 | |
| 1900 | /* Audio sync clock ops */ |
| 1901 | static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate) |
| 1902 | { |
| 1903 | c->rate = rate; |
| 1904 | return 0; |
| 1905 | } |
| 1906 | |
| 1907 | static struct clk_ops tegra_sync_source_ops = { |
| 1908 | .set_rate = &tegra30_sync_source_set_rate, |
| 1909 | }; |
| 1910 | |
| 1911 | static void tegra30_audio_sync_clk_init(struct clk *c) |
| 1912 | { |
| 1913 | int source; |
| 1914 | const struct clk_mux_sel *sel; |
| 1915 | u32 val = clk_readl(c->reg); |
| 1916 | c->state = (val & AUDIO_SYNC_DISABLE_BIT) ? OFF : ON; |
| 1917 | source = val & AUDIO_SYNC_SOURCE_MASK; |
| 1918 | for (sel = c->inputs; sel->input != NULL; sel++) |
| 1919 | if (sel->value == source) |
| 1920 | break; |
| 1921 | BUG_ON(sel->input == NULL); |
| 1922 | c->parent = sel->input; |
| 1923 | } |
| 1924 | |
| 1925 | static int tegra30_audio_sync_clk_enable(struct clk *c) |
| 1926 | { |
| 1927 | u32 val = clk_readl(c->reg); |
| 1928 | clk_writel((val & (~AUDIO_SYNC_DISABLE_BIT)), c->reg); |
| 1929 | return 0; |
| 1930 | } |
| 1931 | |
| 1932 | static void tegra30_audio_sync_clk_disable(struct clk *c) |
| 1933 | { |
| 1934 | u32 val = clk_readl(c->reg); |
| 1935 | clk_writel((val | AUDIO_SYNC_DISABLE_BIT), c->reg); |
| 1936 | } |
| 1937 | |
| 1938 | static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p) |
| 1939 | { |
| 1940 | u32 val; |
| 1941 | const struct clk_mux_sel *sel; |
| 1942 | for (sel = c->inputs; sel->input != NULL; sel++) { |
| 1943 | if (sel->input == p) { |
| 1944 | val = clk_readl(c->reg); |
| 1945 | val &= ~AUDIO_SYNC_SOURCE_MASK; |
| 1946 | val |= sel->value; |
| 1947 | |
| 1948 | if (c->refcnt) |
| 1949 | clk_enable(p); |
| 1950 | |
| 1951 | clk_writel(val, c->reg); |
| 1952 | |
| 1953 | if (c->refcnt && c->parent) |
| 1954 | clk_disable(c->parent); |
| 1955 | |
| 1956 | clk_reparent(c, p); |
| 1957 | return 0; |
| 1958 | } |
| 1959 | } |
| 1960 | |
| 1961 | return -EINVAL; |
| 1962 | } |
| 1963 | |
| 1964 | static struct clk_ops tegra_audio_sync_clk_ops = { |
| 1965 | .init = tegra30_audio_sync_clk_init, |
| 1966 | .enable = tegra30_audio_sync_clk_enable, |
| 1967 | .disable = tegra30_audio_sync_clk_disable, |
| 1968 | .set_parent = tegra30_audio_sync_clk_set_parent, |
| 1969 | }; |
| 1970 | |
| 1971 | /* cml0 (pcie), and cml1 (sata) clock ops */ |
| 1972 | static void tegra30_cml_clk_init(struct clk *c) |
| 1973 | { |
| 1974 | u32 val = clk_readl(c->reg); |
| 1975 | c->state = val & (0x1 << c->u.periph.clk_num) ? ON : OFF; |
| 1976 | } |
| 1977 | |
| 1978 | static int tegra30_cml_clk_enable(struct clk *c) |
| 1979 | { |
| 1980 | u32 val = clk_readl(c->reg); |
| 1981 | val |= (0x1 << c->u.periph.clk_num); |
| 1982 | clk_writel(val, c->reg); |
| 1983 | return 0; |
| 1984 | } |
| 1985 | |
| 1986 | static void tegra30_cml_clk_disable(struct clk *c) |
| 1987 | { |
| 1988 | u32 val = clk_readl(c->reg); |
| 1989 | val &= ~(0x1 << c->u.periph.clk_num); |
| 1990 | clk_writel(val, c->reg); |
| 1991 | } |
| 1992 | |
| 1993 | static struct clk_ops tegra_cml_clk_ops = { |
| 1994 | .init = &tegra30_cml_clk_init, |
| 1995 | .enable = &tegra30_cml_clk_enable, |
| 1996 | .disable = &tegra30_cml_clk_disable, |
| 1997 | }; |
| 1998 | |
| 1999 | /* Clock definitions */ |
| 2000 | static struct clk tegra_clk_32k = { |
| 2001 | .name = "clk_32k", |
| 2002 | .rate = 32768, |
| 2003 | .ops = NULL, |
| 2004 | .max_rate = 32768, |
| 2005 | }; |
| 2006 | |
| 2007 | static struct clk tegra_clk_m = { |
| 2008 | .name = "clk_m", |
| 2009 | .flags = ENABLE_ON_INIT, |
| 2010 | .ops = &tegra_clk_m_ops, |
| 2011 | .reg = 0x1fc, |
| 2012 | .reg_shift = 28, |
| 2013 | .max_rate = 48000000, |
| 2014 | }; |
| 2015 | |
| 2016 | static struct clk tegra_clk_m_div2 = { |
| 2017 | .name = "clk_m_div2", |
| 2018 | .ops = &tegra_clk_m_div_ops, |
| 2019 | .parent = &tegra_clk_m, |
| 2020 | .mul = 1, |
| 2021 | .div = 2, |
| 2022 | .state = ON, |
| 2023 | .max_rate = 24000000, |
| 2024 | }; |
| 2025 | |
| 2026 | static struct clk tegra_clk_m_div4 = { |
| 2027 | .name = "clk_m_div4", |
| 2028 | .ops = &tegra_clk_m_div_ops, |
| 2029 | .parent = &tegra_clk_m, |
| 2030 | .mul = 1, |
| 2031 | .div = 4, |
| 2032 | .state = ON, |
| 2033 | .max_rate = 12000000, |
| 2034 | }; |
| 2035 | |
| 2036 | static struct clk tegra_pll_ref = { |
| 2037 | .name = "pll_ref", |
| 2038 | .flags = ENABLE_ON_INIT, |
| 2039 | .ops = &tegra_pll_ref_ops, |
| 2040 | .parent = &tegra_clk_m, |
| 2041 | .max_rate = 26000000, |
| 2042 | }; |
| 2043 | |
| 2044 | static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { |
| 2045 | { 12000000, 1040000000, 520, 6, 1, 8}, |
| 2046 | { 13000000, 1040000000, 480, 6, 1, 8}, |
| 2047 | { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ |
| 2048 | { 19200000, 1040000000, 325, 6, 1, 6}, |
| 2049 | { 26000000, 1040000000, 520, 13, 1, 8}, |
| 2050 | |
| 2051 | { 12000000, 832000000, 416, 6, 1, 8}, |
| 2052 | { 13000000, 832000000, 832, 13, 1, 8}, |
| 2053 | { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ |
| 2054 | { 19200000, 832000000, 260, 6, 1, 8}, |
| 2055 | { 26000000, 832000000, 416, 13, 1, 8}, |
| 2056 | |
| 2057 | { 12000000, 624000000, 624, 12, 1, 8}, |
| 2058 | { 13000000, 624000000, 624, 13, 1, 8}, |
| 2059 | { 16800000, 600000000, 520, 14, 1, 8}, |
| 2060 | { 19200000, 624000000, 520, 16, 1, 8}, |
| 2061 | { 26000000, 624000000, 624, 26, 1, 8}, |
| 2062 | |
| 2063 | { 12000000, 600000000, 600, 12, 1, 8}, |
| 2064 | { 13000000, 600000000, 600, 13, 1, 8}, |
| 2065 | { 16800000, 600000000, 500, 14, 1, 8}, |
| 2066 | { 19200000, 600000000, 375, 12, 1, 6}, |
| 2067 | { 26000000, 600000000, 600, 26, 1, 8}, |
| 2068 | |
| 2069 | { 12000000, 520000000, 520, 12, 1, 8}, |
| 2070 | { 13000000, 520000000, 520, 13, 1, 8}, |
| 2071 | { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ |
| 2072 | { 19200000, 520000000, 325, 12, 1, 6}, |
| 2073 | { 26000000, 520000000, 520, 26, 1, 8}, |
| 2074 | |
| 2075 | { 12000000, 416000000, 416, 12, 1, 8}, |
| 2076 | { 13000000, 416000000, 416, 13, 1, 8}, |
| 2077 | { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ |
| 2078 | { 19200000, 416000000, 260, 12, 1, 6}, |
| 2079 | { 26000000, 416000000, 416, 26, 1, 8}, |
| 2080 | { 0, 0, 0, 0, 0, 0 }, |
| 2081 | }; |
| 2082 | |
| 2083 | static struct clk tegra_pll_c = { |
| 2084 | .name = "pll_c", |
| 2085 | .flags = PLL_HAS_CPCON, |
| 2086 | .ops = &tegra_pll_ops, |
| 2087 | .reg = 0x80, |
| 2088 | .parent = &tegra_pll_ref, |
| 2089 | .max_rate = 1400000000, |
| 2090 | .u.pll = { |
| 2091 | .input_min = 2000000, |
| 2092 | .input_max = 31000000, |
| 2093 | .cf_min = 1000000, |
| 2094 | .cf_max = 6000000, |
| 2095 | .vco_min = 20000000, |
| 2096 | .vco_max = 1400000000, |
| 2097 | .freq_table = tegra_pll_c_freq_table, |
| 2098 | .lock_delay = 300, |
| 2099 | }, |
| 2100 | }; |
| 2101 | |
| 2102 | static struct clk tegra_pll_c_out1 = { |
| 2103 | .name = "pll_c_out1", |
| 2104 | .ops = &tegra_pll_div_ops, |
| 2105 | .flags = DIV_U71, |
| 2106 | .parent = &tegra_pll_c, |
| 2107 | .reg = 0x84, |
| 2108 | .reg_shift = 0, |
| 2109 | .max_rate = 700000000, |
| 2110 | }; |
| 2111 | |
| 2112 | static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { |
| 2113 | { 12000000, 666000000, 666, 12, 1, 8}, |
| 2114 | { 13000000, 666000000, 666, 13, 1, 8}, |
| 2115 | { 16800000, 666000000, 555, 14, 1, 8}, |
| 2116 | { 19200000, 666000000, 555, 16, 1, 8}, |
| 2117 | { 26000000, 666000000, 666, 26, 1, 8}, |
| 2118 | { 12000000, 600000000, 600, 12, 1, 8}, |
| 2119 | { 13000000, 600000000, 600, 13, 1, 8}, |
| 2120 | { 16800000, 600000000, 500, 14, 1, 8}, |
| 2121 | { 19200000, 600000000, 375, 12, 1, 6}, |
| 2122 | { 26000000, 600000000, 600, 26, 1, 8}, |
| 2123 | { 0, 0, 0, 0, 0, 0 }, |
| 2124 | }; |
| 2125 | |
| 2126 | static struct clk tegra_pll_m = { |
| 2127 | .name = "pll_m", |
| 2128 | .flags = PLL_HAS_CPCON | PLLM, |
| 2129 | .ops = &tegra_pll_ops, |
| 2130 | .reg = 0x90, |
| 2131 | .parent = &tegra_pll_ref, |
| 2132 | .max_rate = 800000000, |
| 2133 | .u.pll = { |
| 2134 | .input_min = 2000000, |
| 2135 | .input_max = 31000000, |
| 2136 | .cf_min = 1000000, |
| 2137 | .cf_max = 6000000, |
| 2138 | .vco_min = 20000000, |
| 2139 | .vco_max = 1200000000, |
| 2140 | .freq_table = tegra_pll_m_freq_table, |
| 2141 | .lock_delay = 300, |
| 2142 | }, |
| 2143 | }; |
| 2144 | |
| 2145 | static struct clk tegra_pll_m_out1 = { |
| 2146 | .name = "pll_m_out1", |
| 2147 | .ops = &tegra_pll_div_ops, |
| 2148 | .flags = DIV_U71, |
| 2149 | .parent = &tegra_pll_m, |
| 2150 | .reg = 0x94, |
| 2151 | .reg_shift = 0, |
| 2152 | .max_rate = 600000000, |
| 2153 | }; |
| 2154 | |
| 2155 | static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { |
| 2156 | { 12000000, 216000000, 432, 12, 2, 8}, |
| 2157 | { 13000000, 216000000, 432, 13, 2, 8}, |
| 2158 | { 16800000, 216000000, 360, 14, 2, 8}, |
| 2159 | { 19200000, 216000000, 360, 16, 2, 8}, |
| 2160 | { 26000000, 216000000, 432, 26, 2, 8}, |
| 2161 | { 0, 0, 0, 0, 0, 0 }, |
| 2162 | }; |
| 2163 | |
| 2164 | static struct clk tegra_pll_p = { |
| 2165 | .name = "pll_p", |
| 2166 | .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, |
| 2167 | .ops = &tegra_pll_ops, |
| 2168 | .reg = 0xa0, |
| 2169 | .parent = &tegra_pll_ref, |
| 2170 | .max_rate = 432000000, |
| 2171 | .u.pll = { |
| 2172 | .input_min = 2000000, |
| 2173 | .input_max = 31000000, |
| 2174 | .cf_min = 1000000, |
| 2175 | .cf_max = 6000000, |
| 2176 | .vco_min = 20000000, |
| 2177 | .vco_max = 1400000000, |
| 2178 | .freq_table = tegra_pll_p_freq_table, |
| 2179 | .lock_delay = 300, |
| 2180 | .fixed_rate = 408000000, |
| 2181 | }, |
| 2182 | }; |
| 2183 | |
| 2184 | static struct clk tegra_pll_p_out1 = { |
| 2185 | .name = "pll_p_out1", |
| 2186 | .ops = &tegra_pll_div_ops, |
| 2187 | .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, |
| 2188 | .parent = &tegra_pll_p, |
| 2189 | .reg = 0xa4, |
| 2190 | .reg_shift = 0, |
| 2191 | .max_rate = 432000000, |
| 2192 | }; |
| 2193 | |
| 2194 | static struct clk tegra_pll_p_out2 = { |
| 2195 | .name = "pll_p_out2", |
| 2196 | .ops = &tegra_pll_div_ops, |
| 2197 | .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, |
| 2198 | .parent = &tegra_pll_p, |
| 2199 | .reg = 0xa4, |
| 2200 | .reg_shift = 16, |
| 2201 | .max_rate = 432000000, |
| 2202 | }; |
| 2203 | |
| 2204 | static struct clk tegra_pll_p_out3 = { |
| 2205 | .name = "pll_p_out3", |
| 2206 | .ops = &tegra_pll_div_ops, |
| 2207 | .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, |
| 2208 | .parent = &tegra_pll_p, |
| 2209 | .reg = 0xa8, |
| 2210 | .reg_shift = 0, |
| 2211 | .max_rate = 432000000, |
| 2212 | }; |
| 2213 | |
| 2214 | static struct clk tegra_pll_p_out4 = { |
| 2215 | .name = "pll_p_out4", |
| 2216 | .ops = &tegra_pll_div_ops, |
| 2217 | .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, |
| 2218 | .parent = &tegra_pll_p, |
| 2219 | .reg = 0xa8, |
| 2220 | .reg_shift = 16, |
| 2221 | .max_rate = 432000000, |
| 2222 | }; |
| 2223 | |
| 2224 | static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { |
| 2225 | { 9600000, 564480000, 294, 5, 1, 4}, |
| 2226 | { 9600000, 552960000, 288, 5, 1, 4}, |
| 2227 | { 9600000, 24000000, 5, 2, 1, 1}, |
| 2228 | |
| 2229 | { 28800000, 56448000, 49, 25, 1, 1}, |
| 2230 | { 28800000, 73728000, 64, 25, 1, 1}, |
| 2231 | { 28800000, 24000000, 5, 6, 1, 1}, |
| 2232 | { 0, 0, 0, 0, 0, 0 }, |
| 2233 | }; |
| 2234 | |
| 2235 | static struct clk tegra_pll_a = { |
| 2236 | .name = "pll_a", |
| 2237 | .flags = PLL_HAS_CPCON, |
| 2238 | .ops = &tegra_pll_ops, |
| 2239 | .reg = 0xb0, |
| 2240 | .parent = &tegra_pll_p_out1, |
| 2241 | .max_rate = 700000000, |
| 2242 | .u.pll = { |
| 2243 | .input_min = 2000000, |
| 2244 | .input_max = 31000000, |
| 2245 | .cf_min = 1000000, |
| 2246 | .cf_max = 6000000, |
| 2247 | .vco_min = 20000000, |
| 2248 | .vco_max = 1400000000, |
| 2249 | .freq_table = tegra_pll_a_freq_table, |
| 2250 | .lock_delay = 300, |
| 2251 | }, |
| 2252 | }; |
| 2253 | |
| 2254 | static struct clk tegra_pll_a_out0 = { |
| 2255 | .name = "pll_a_out0", |
| 2256 | .ops = &tegra_pll_div_ops, |
| 2257 | .flags = DIV_U71, |
| 2258 | .parent = &tegra_pll_a, |
| 2259 | .reg = 0xb4, |
| 2260 | .reg_shift = 0, |
| 2261 | .max_rate = 100000000, |
| 2262 | }; |
| 2263 | |
| 2264 | static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { |
| 2265 | { 12000000, 216000000, 216, 12, 1, 4}, |
| 2266 | { 13000000, 216000000, 216, 13, 1, 4}, |
| 2267 | { 16800000, 216000000, 180, 14, 1, 4}, |
| 2268 | { 19200000, 216000000, 180, 16, 1, 4}, |
| 2269 | { 26000000, 216000000, 216, 26, 1, 4}, |
| 2270 | |
| 2271 | { 12000000, 594000000, 594, 12, 1, 8}, |
| 2272 | { 13000000, 594000000, 594, 13, 1, 8}, |
| 2273 | { 16800000, 594000000, 495, 14, 1, 8}, |
| 2274 | { 19200000, 594000000, 495, 16, 1, 8}, |
| 2275 | { 26000000, 594000000, 594, 26, 1, 8}, |
| 2276 | |
| 2277 | { 12000000, 1000000000, 1000, 12, 1, 12}, |
| 2278 | { 13000000, 1000000000, 1000, 13, 1, 12}, |
| 2279 | { 19200000, 1000000000, 625, 12, 1, 8}, |
| 2280 | { 26000000, 1000000000, 1000, 26, 1, 12}, |
| 2281 | |
| 2282 | { 0, 0, 0, 0, 0, 0 }, |
| 2283 | }; |
| 2284 | |
| 2285 | static struct clk tegra_pll_d = { |
| 2286 | .name = "pll_d", |
| 2287 | .flags = PLL_HAS_CPCON | PLLD, |
| 2288 | .ops = &tegra_plld_ops, |
| 2289 | .reg = 0xd0, |
| 2290 | .parent = &tegra_pll_ref, |
| 2291 | .max_rate = 1000000000, |
| 2292 | .u.pll = { |
| 2293 | .input_min = 2000000, |
| 2294 | .input_max = 40000000, |
| 2295 | .cf_min = 1000000, |
| 2296 | .cf_max = 6000000, |
| 2297 | .vco_min = 40000000, |
| 2298 | .vco_max = 1000000000, |
| 2299 | .freq_table = tegra_pll_d_freq_table, |
| 2300 | .lock_delay = 1000, |
| 2301 | }, |
| 2302 | }; |
| 2303 | |
| 2304 | static struct clk tegra_pll_d_out0 = { |
| 2305 | .name = "pll_d_out0", |
| 2306 | .ops = &tegra_pll_div_ops, |
| 2307 | .flags = DIV_2 | PLLD, |
| 2308 | .parent = &tegra_pll_d, |
| 2309 | .max_rate = 500000000, |
| 2310 | }; |
| 2311 | |
| 2312 | static struct clk tegra_pll_d2 = { |
| 2313 | .name = "pll_d2", |
| 2314 | .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, |
| 2315 | .ops = &tegra_plld_ops, |
| 2316 | .reg = 0x4b8, |
| 2317 | .parent = &tegra_pll_ref, |
| 2318 | .max_rate = 1000000000, |
| 2319 | .u.pll = { |
| 2320 | .input_min = 2000000, |
| 2321 | .input_max = 40000000, |
| 2322 | .cf_min = 1000000, |
| 2323 | .cf_max = 6000000, |
| 2324 | .vco_min = 40000000, |
| 2325 | .vco_max = 1000000000, |
| 2326 | .freq_table = tegra_pll_d_freq_table, |
| 2327 | .lock_delay = 1000, |
| 2328 | }, |
| 2329 | }; |
| 2330 | |
| 2331 | static struct clk tegra_pll_d2_out0 = { |
| 2332 | .name = "pll_d2_out0", |
| 2333 | .ops = &tegra_pll_div_ops, |
| 2334 | .flags = DIV_2 | PLLD, |
| 2335 | .parent = &tegra_pll_d2, |
| 2336 | .max_rate = 500000000, |
| 2337 | }; |
| 2338 | |
| 2339 | static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { |
| 2340 | { 12000000, 480000000, 960, 12, 2, 12}, |
| 2341 | { 13000000, 480000000, 960, 13, 2, 12}, |
| 2342 | { 16800000, 480000000, 400, 7, 2, 5}, |
| 2343 | { 19200000, 480000000, 200, 4, 2, 3}, |
| 2344 | { 26000000, 480000000, 960, 26, 2, 12}, |
| 2345 | { 0, 0, 0, 0, 0, 0 }, |
| 2346 | }; |
| 2347 | |
| 2348 | static struct clk tegra_pll_u = { |
| 2349 | .name = "pll_u", |
| 2350 | .flags = PLL_HAS_CPCON | PLLU, |
| 2351 | .ops = &tegra_pll_ops, |
| 2352 | .reg = 0xc0, |
| 2353 | .parent = &tegra_pll_ref, |
| 2354 | .max_rate = 480000000, |
| 2355 | .u.pll = { |
| 2356 | .input_min = 2000000, |
| 2357 | .input_max = 40000000, |
| 2358 | .cf_min = 1000000, |
| 2359 | .cf_max = 6000000, |
| 2360 | .vco_min = 480000000, |
| 2361 | .vco_max = 960000000, |
| 2362 | .freq_table = tegra_pll_u_freq_table, |
| 2363 | .lock_delay = 1000, |
| 2364 | }, |
| 2365 | }; |
| 2366 | |
| 2367 | static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { |
| 2368 | /* 1.7 GHz */ |
| 2369 | { 12000000, 1700000000, 850, 6, 1, 8}, |
| 2370 | { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */ |
| 2371 | { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */ |
| 2372 | { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */ |
| 2373 | { 26000000, 1700000000, 850, 13, 1, 8}, |
| 2374 | |
| 2375 | /* 1.6 GHz */ |
| 2376 | { 12000000, 1600000000, 800, 6, 1, 8}, |
| 2377 | { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */ |
| 2378 | { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */ |
| 2379 | { 19200000, 1600000000, 500, 6, 1, 8}, |
| 2380 | { 26000000, 1600000000, 800, 13, 1, 8}, |
| 2381 | |
| 2382 | /* 1.5 GHz */ |
| 2383 | { 12000000, 1500000000, 750, 6, 1, 8}, |
| 2384 | { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */ |
| 2385 | { 16800000, 1500000000, 625, 7, 1, 8}, |
| 2386 | { 19200000, 1500000000, 625, 8, 1, 8}, |
| 2387 | { 26000000, 1500000000, 750, 13, 1, 8}, |
| 2388 | |
| 2389 | /* 1.4 GHz */ |
| 2390 | { 12000000, 1400000000, 700, 6, 1, 8}, |
| 2391 | { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */ |
| 2392 | { 16800000, 1400000000, 1000, 12, 1, 8}, |
| 2393 | { 19200000, 1400000000, 875, 12, 1, 8}, |
| 2394 | { 26000000, 1400000000, 700, 13, 1, 8}, |
| 2395 | |
| 2396 | /* 1.3 GHz */ |
| 2397 | { 12000000, 1300000000, 975, 9, 1, 8}, |
| 2398 | { 13000000, 1300000000, 1000, 10, 1, 8}, |
| 2399 | { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */ |
| 2400 | { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */ |
| 2401 | { 26000000, 1300000000, 650, 13, 1, 8}, |
| 2402 | |
| 2403 | /* 1.2 GHz */ |
| 2404 | { 12000000, 1200000000, 1000, 10, 1, 8}, |
| 2405 | { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */ |
| 2406 | { 16800000, 1200000000, 1000, 14, 1, 8}, |
| 2407 | { 19200000, 1200000000, 1000, 16, 1, 8}, |
| 2408 | { 26000000, 1200000000, 600, 13, 1, 8}, |
| 2409 | |
| 2410 | /* 1.1 GHz */ |
| 2411 | { 12000000, 1100000000, 825, 9, 1, 8}, |
| 2412 | { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */ |
| 2413 | { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */ |
| 2414 | { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */ |
| 2415 | { 26000000, 1100000000, 550, 13, 1, 8}, |
| 2416 | |
| 2417 | /* 1 GHz */ |
| 2418 | { 12000000, 1000000000, 1000, 12, 1, 8}, |
| 2419 | { 13000000, 1000000000, 1000, 13, 1, 8}, |
| 2420 | { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */ |
| 2421 | { 19200000, 1000000000, 625, 12, 1, 8}, |
| 2422 | { 26000000, 1000000000, 1000, 26, 1, 8}, |
| 2423 | |
| 2424 | { 0, 0, 0, 0, 0, 0 }, |
| 2425 | }; |
| 2426 | |
| 2427 | static struct clk tegra_pll_x = { |
| 2428 | .name = "pll_x", |
| 2429 | .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, |
| 2430 | .ops = &tegra_pll_ops, |
| 2431 | .reg = 0xe0, |
| 2432 | .parent = &tegra_pll_ref, |
| 2433 | .max_rate = 1700000000, |
| 2434 | .u.pll = { |
| 2435 | .input_min = 2000000, |
| 2436 | .input_max = 31000000, |
| 2437 | .cf_min = 1000000, |
| 2438 | .cf_max = 6000000, |
| 2439 | .vco_min = 20000000, |
| 2440 | .vco_max = 1700000000, |
| 2441 | .freq_table = tegra_pll_x_freq_table, |
| 2442 | .lock_delay = 300, |
| 2443 | }, |
| 2444 | }; |
| 2445 | |
| 2446 | static struct clk tegra_pll_x_out0 = { |
| 2447 | .name = "pll_x_out0", |
| 2448 | .ops = &tegra_pll_div_ops, |
| 2449 | .flags = DIV_2 | PLLX, |
| 2450 | .parent = &tegra_pll_x, |
| 2451 | .max_rate = 850000000, |
| 2452 | }; |
| 2453 | |
| 2454 | |
| 2455 | static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { |
| 2456 | /* PLLE special case: use cpcon field to store cml divider value */ |
| 2457 | { 12000000, 100000000, 150, 1, 18, 11}, |
| 2458 | { 216000000, 100000000, 200, 18, 24, 13}, |
| 2459 | { 0, 0, 0, 0, 0, 0 }, |
| 2460 | }; |
| 2461 | |
| 2462 | static struct clk tegra_pll_e = { |
| 2463 | .name = "pll_e", |
| 2464 | .flags = PLL_ALT_MISC_REG, |
| 2465 | .ops = &tegra_plle_ops, |
| 2466 | .reg = 0xe8, |
| 2467 | .max_rate = 100000000, |
| 2468 | .u.pll = { |
| 2469 | .input_min = 12000000, |
| 2470 | .input_max = 216000000, |
| 2471 | .cf_min = 12000000, |
| 2472 | .cf_max = 12000000, |
| 2473 | .vco_min = 1200000000, |
| 2474 | .vco_max = 2400000000U, |
| 2475 | .freq_table = tegra_pll_e_freq_table, |
| 2476 | .lock_delay = 300, |
| 2477 | .fixed_rate = 100000000, |
| 2478 | }, |
| 2479 | }; |
| 2480 | |
| 2481 | static struct clk tegra_cml0_clk = { |
| 2482 | .name = "cml0", |
| 2483 | .parent = &tegra_pll_e, |
| 2484 | .ops = &tegra_cml_clk_ops, |
| 2485 | .reg = PLLE_AUX, |
| 2486 | .max_rate = 100000000, |
| 2487 | .u.periph = { |
| 2488 | .clk_num = 0, |
| 2489 | }, |
| 2490 | }; |
| 2491 | |
| 2492 | static struct clk tegra_cml1_clk = { |
| 2493 | .name = "cml1", |
| 2494 | .parent = &tegra_pll_e, |
| 2495 | .ops = &tegra_cml_clk_ops, |
| 2496 | .reg = PLLE_AUX, |
| 2497 | .max_rate = 100000000, |
| 2498 | .u.periph = { |
| 2499 | .clk_num = 1, |
| 2500 | }, |
| 2501 | }; |
| 2502 | |
| 2503 | static struct clk tegra_pciex_clk = { |
| 2504 | .name = "pciex", |
| 2505 | .parent = &tegra_pll_e, |
| 2506 | .ops = &tegra_pciex_clk_ops, |
| 2507 | .max_rate = 100000000, |
| 2508 | .u.periph = { |
| 2509 | .clk_num = 74, |
| 2510 | }, |
| 2511 | }; |
| 2512 | |
| 2513 | /* Audio sync clocks */ |
| 2514 | #define SYNC_SOURCE(_id) \ |
| 2515 | { \ |
| 2516 | .name = #_id "_sync", \ |
| 2517 | .rate = 24000000, \ |
| 2518 | .max_rate = 24000000, \ |
| 2519 | .ops = &tegra_sync_source_ops \ |
| 2520 | } |
| 2521 | static struct clk tegra_sync_source_list[] = { |
| 2522 | SYNC_SOURCE(spdif_in), |
| 2523 | SYNC_SOURCE(i2s0), |
| 2524 | SYNC_SOURCE(i2s1), |
| 2525 | SYNC_SOURCE(i2s2), |
| 2526 | SYNC_SOURCE(i2s3), |
| 2527 | SYNC_SOURCE(i2s4), |
| 2528 | SYNC_SOURCE(vimclk), |
| 2529 | }; |
| 2530 | |
| 2531 | static struct clk_mux_sel mux_audio_sync_clk[] = { |
| 2532 | { .input = &tegra_sync_source_list[0], .value = 0}, |
| 2533 | { .input = &tegra_sync_source_list[1], .value = 1}, |
| 2534 | { .input = &tegra_sync_source_list[2], .value = 2}, |
| 2535 | { .input = &tegra_sync_source_list[3], .value = 3}, |
| 2536 | { .input = &tegra_sync_source_list[4], .value = 4}, |
| 2537 | { .input = &tegra_sync_source_list[5], .value = 5}, |
| 2538 | { .input = &tegra_pll_a_out0, .value = 6}, |
| 2539 | { .input = &tegra_sync_source_list[6], .value = 7}, |
| 2540 | { 0, 0 } |
| 2541 | }; |
| 2542 | |
| 2543 | #define AUDIO_SYNC_CLK(_id, _index) \ |
| 2544 | { \ |
| 2545 | .name = #_id, \ |
| 2546 | .inputs = mux_audio_sync_clk, \ |
| 2547 | .reg = 0x4A0 + (_index) * 4, \ |
| 2548 | .max_rate = 24000000, \ |
| 2549 | .ops = &tegra_audio_sync_clk_ops \ |
| 2550 | } |
| 2551 | static struct clk tegra_clk_audio_list[] = { |
| 2552 | AUDIO_SYNC_CLK(audio0, 0), |
| 2553 | AUDIO_SYNC_CLK(audio1, 1), |
| 2554 | AUDIO_SYNC_CLK(audio2, 2), |
| 2555 | AUDIO_SYNC_CLK(audio3, 3), |
| 2556 | AUDIO_SYNC_CLK(audio4, 4), |
| 2557 | AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ |
| 2558 | }; |
| 2559 | |
| 2560 | #define AUDIO_SYNC_2X_CLK(_id, _index) \ |
| 2561 | { \ |
| 2562 | .name = #_id "_2x", \ |
| 2563 | .flags = PERIPH_NO_RESET, \ |
| 2564 | .max_rate = 48000000, \ |
| 2565 | .ops = &tegra_clk_double_ops, \ |
| 2566 | .reg = 0x49C, \ |
| 2567 | .reg_shift = 24 + (_index), \ |
| 2568 | .parent = &tegra_clk_audio_list[(_index)], \ |
| 2569 | .u.periph = { \ |
| 2570 | .clk_num = 113 + (_index), \ |
| 2571 | }, \ |
| 2572 | } |
| 2573 | static struct clk tegra_clk_audio_2x_list[] = { |
| 2574 | AUDIO_SYNC_2X_CLK(audio0, 0), |
| 2575 | AUDIO_SYNC_2X_CLK(audio1, 1), |
| 2576 | AUDIO_SYNC_2X_CLK(audio2, 2), |
| 2577 | AUDIO_SYNC_2X_CLK(audio3, 3), |
| 2578 | AUDIO_SYNC_2X_CLK(audio4, 4), |
| 2579 | AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ |
| 2580 | }; |
| 2581 | |
| 2582 | #define MUX_I2S_SPDIF(_id, _index) \ |
| 2583 | static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ |
| 2584 | {.input = &tegra_pll_a_out0, .value = 0}, \ |
| 2585 | {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ |
| 2586 | {.input = &tegra_pll_p, .value = 2}, \ |
| 2587 | {.input = &tegra_clk_m, .value = 3}, \ |
| 2588 | { 0, 0}, \ |
| 2589 | } |
| 2590 | MUX_I2S_SPDIF(audio0, 0); |
| 2591 | MUX_I2S_SPDIF(audio1, 1); |
| 2592 | MUX_I2S_SPDIF(audio2, 2); |
| 2593 | MUX_I2S_SPDIF(audio3, 3); |
| 2594 | MUX_I2S_SPDIF(audio4, 4); |
| 2595 | MUX_I2S_SPDIF(audio, 5); /* SPDIF */ |
| 2596 | |
| 2597 | /* External clock outputs (through PMC) */ |
| 2598 | #define MUX_EXTERN_OUT(_id) \ |
| 2599 | static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ |
| 2600 | {.input = &tegra_clk_m, .value = 0}, \ |
| 2601 | {.input = &tegra_clk_m_div2, .value = 1}, \ |
| 2602 | {.input = &tegra_clk_m_div4, .value = 2}, \ |
| 2603 | {.input = NULL, .value = 3}, /* placeholder */ \ |
| 2604 | { 0, 0}, \ |
| 2605 | } |
| 2606 | MUX_EXTERN_OUT(1); |
| 2607 | MUX_EXTERN_OUT(2); |
| 2608 | MUX_EXTERN_OUT(3); |
| 2609 | |
| 2610 | static struct clk_mux_sel *mux_extern_out_list[] = { |
| 2611 | mux_clkm_clkm2_clkm4_extern1, |
| 2612 | mux_clkm_clkm2_clkm4_extern2, |
| 2613 | mux_clkm_clkm2_clkm4_extern3, |
| 2614 | }; |
| 2615 | |
| 2616 | #define CLK_OUT_CLK(_id) \ |
| 2617 | { \ |
| 2618 | .name = "clk_out_" #_id, \ |
| 2619 | .lookup = { \ |
| 2620 | .dev_id = "clk_out_" #_id, \ |
| 2621 | .con_id = "extern" #_id, \ |
| 2622 | }, \ |
| 2623 | .ops = &tegra_clk_out_ops, \ |
| 2624 | .reg = 0x1a8, \ |
| 2625 | .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ |
| 2626 | .flags = MUX_CLK_OUT, \ |
| 2627 | .max_rate = 216000000, \ |
| 2628 | .u.periph = { \ |
| 2629 | .clk_num = (_id - 1) * 8 + 2, \ |
| 2630 | }, \ |
| 2631 | } |
| 2632 | static struct clk tegra_clk_out_list[] = { |
| 2633 | CLK_OUT_CLK(1), |
| 2634 | CLK_OUT_CLK(2), |
| 2635 | CLK_OUT_CLK(3), |
| 2636 | }; |
| 2637 | |
| 2638 | /* called after peripheral external clocks are initialized */ |
| 2639 | static void init_clk_out_mux(void) |
| 2640 | { |
| 2641 | int i; |
| 2642 | struct clk *c; |
| 2643 | |
| 2644 | /* output clock con_id is the name of peripheral |
| 2645 | external clock connected to input 3 of the output mux */ |
| 2646 | for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { |
| 2647 | c = tegra_get_clock_by_name( |
| 2648 | tegra_clk_out_list[i].lookup.con_id); |
| 2649 | if (!c) |
| 2650 | pr_err("%s: could not find clk %s\n", __func__, |
| 2651 | tegra_clk_out_list[i].lookup.con_id); |
| 2652 | mux_extern_out_list[i][3].input = c; |
| 2653 | } |
| 2654 | } |
| 2655 | |
| 2656 | /* Peripheral muxes */ |
| 2657 | static struct clk_mux_sel mux_sclk[] = { |
| 2658 | { .input = &tegra_clk_m, .value = 0}, |
| 2659 | { .input = &tegra_pll_c_out1, .value = 1}, |
| 2660 | { .input = &tegra_pll_p_out4, .value = 2}, |
| 2661 | { .input = &tegra_pll_p_out3, .value = 3}, |
| 2662 | { .input = &tegra_pll_p_out2, .value = 4}, |
| 2663 | /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ |
| 2664 | { .input = &tegra_clk_32k, .value = 6}, |
| 2665 | { .input = &tegra_pll_m_out1, .value = 7}, |
| 2666 | { 0, 0}, |
| 2667 | }; |
| 2668 | |
| 2669 | static struct clk tegra_clk_sclk = { |
| 2670 | .name = "sclk", |
| 2671 | .inputs = mux_sclk, |
| 2672 | .reg = 0x28, |
| 2673 | .ops = &tegra_super_ops, |
| 2674 | .max_rate = 334000000, |
| 2675 | .min_rate = 40000000, |
| 2676 | }; |
| 2677 | |
| 2678 | static struct clk tegra_clk_blink = { |
| 2679 | .name = "blink", |
| 2680 | .parent = &tegra_clk_32k, |
| 2681 | .reg = 0x40, |
| 2682 | .ops = &tegra_blink_clk_ops, |
| 2683 | .max_rate = 32768, |
| 2684 | }; |
| 2685 | |
| 2686 | static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { |
| 2687 | { .input = &tegra_pll_m, .value = 0}, |
| 2688 | { .input = &tegra_pll_c, .value = 1}, |
| 2689 | { .input = &tegra_pll_p, .value = 2}, |
| 2690 | { .input = &tegra_pll_a_out0, .value = 3}, |
| 2691 | { 0, 0}, |
| 2692 | }; |
| 2693 | |
| 2694 | static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { |
| 2695 | { .input = &tegra_pll_p, .value = 0}, |
| 2696 | { .input = &tegra_pll_c, .value = 1}, |
| 2697 | { .input = &tegra_pll_m, .value = 2}, |
| 2698 | { .input = &tegra_clk_m, .value = 3}, |
| 2699 | { 0, 0}, |
| 2700 | }; |
| 2701 | |
| 2702 | static struct clk_mux_sel mux_pllp_clkm[] = { |
| 2703 | { .input = &tegra_pll_p, .value = 0}, |
| 2704 | { .input = &tegra_clk_m, .value = 3}, |
| 2705 | { 0, 0}, |
| 2706 | }; |
| 2707 | |
| 2708 | static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { |
| 2709 | {.input = &tegra_pll_p, .value = 0}, |
| 2710 | {.input = &tegra_pll_d_out0, .value = 1}, |
| 2711 | {.input = &tegra_pll_c, .value = 2}, |
| 2712 | {.input = &tegra_clk_m, .value = 3}, |
| 2713 | { 0, 0}, |
| 2714 | }; |
| 2715 | |
| 2716 | static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { |
| 2717 | {.input = &tegra_pll_p, .value = 0}, |
| 2718 | {.input = &tegra_pll_m, .value = 1}, |
| 2719 | {.input = &tegra_pll_d_out0, .value = 2}, |
| 2720 | {.input = &tegra_pll_a_out0, .value = 3}, |
| 2721 | {.input = &tegra_pll_c, .value = 4}, |
| 2722 | {.input = &tegra_pll_d2_out0, .value = 5}, |
| 2723 | {.input = &tegra_clk_m, .value = 6}, |
| 2724 | { 0, 0}, |
| 2725 | }; |
| 2726 | |
| 2727 | static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { |
| 2728 | { .input = &tegra_pll_a_out0, .value = 0}, |
| 2729 | /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ |
| 2730 | { .input = &tegra_pll_p, .value = 2}, |
| 2731 | { .input = &tegra_clk_m, .value = 3}, |
| 2732 | { 0, 0}, |
| 2733 | }; |
| 2734 | |
| 2735 | static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { |
| 2736 | {.input = &tegra_pll_p, .value = 0}, |
| 2737 | {.input = &tegra_pll_c, .value = 1}, |
| 2738 | {.input = &tegra_clk_32k, .value = 2}, |
| 2739 | {.input = &tegra_clk_m, .value = 3}, |
| 2740 | { 0, 0}, |
| 2741 | }; |
| 2742 | |
| 2743 | static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { |
| 2744 | {.input = &tegra_pll_p, .value = 0}, |
| 2745 | {.input = &tegra_pll_c, .value = 1}, |
| 2746 | {.input = &tegra_clk_m, .value = 2}, |
| 2747 | {.input = &tegra_clk_32k, .value = 3}, |
| 2748 | { 0, 0}, |
| 2749 | }; |
| 2750 | |
| 2751 | static struct clk_mux_sel mux_pllp_pllc_pllm[] = { |
| 2752 | {.input = &tegra_pll_p, .value = 0}, |
| 2753 | {.input = &tegra_pll_c, .value = 1}, |
| 2754 | {.input = &tegra_pll_m, .value = 2}, |
| 2755 | { 0, 0}, |
| 2756 | }; |
| 2757 | |
| 2758 | static struct clk_mux_sel mux_clk_m[] = { |
| 2759 | { .input = &tegra_clk_m, .value = 0}, |
| 2760 | { 0, 0}, |
| 2761 | }; |
| 2762 | |
| 2763 | static struct clk_mux_sel mux_pllp_out3[] = { |
| 2764 | { .input = &tegra_pll_p_out3, .value = 0}, |
| 2765 | { 0, 0}, |
| 2766 | }; |
| 2767 | |
| 2768 | static struct clk_mux_sel mux_plld_out0[] = { |
| 2769 | { .input = &tegra_pll_d_out0, .value = 0}, |
| 2770 | { 0, 0}, |
| 2771 | }; |
| 2772 | |
| 2773 | static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { |
| 2774 | { .input = &tegra_pll_d_out0, .value = 0}, |
| 2775 | { .input = &tegra_pll_d2_out0, .value = 1}, |
| 2776 | { 0, 0}, |
| 2777 | }; |
| 2778 | |
| 2779 | static struct clk_mux_sel mux_clk_32k[] = { |
| 2780 | { .input = &tegra_clk_32k, .value = 0}, |
| 2781 | { 0, 0}, |
| 2782 | }; |
| 2783 | |
| 2784 | static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { |
| 2785 | { .input = &tegra_pll_a_out0, .value = 0}, |
| 2786 | { .input = &tegra_clk_32k, .value = 1}, |
| 2787 | { .input = &tegra_pll_p, .value = 2}, |
| 2788 | { .input = &tegra_clk_m, .value = 3}, |
| 2789 | { .input = &tegra_pll_e, .value = 4}, |
| 2790 | { 0, 0}, |
| 2791 | }; |
| 2792 | |
| 2793 | static struct clk_mux_sel mux_cclk_g[] = { |
| 2794 | { .input = &tegra_clk_m, .value = 0}, |
| 2795 | { .input = &tegra_pll_c, .value = 1}, |
| 2796 | { .input = &tegra_clk_32k, .value = 2}, |
| 2797 | { .input = &tegra_pll_m, .value = 3}, |
| 2798 | { .input = &tegra_pll_p, .value = 4}, |
| 2799 | { .input = &tegra_pll_p_out4, .value = 5}, |
| 2800 | { .input = &tegra_pll_p_out3, .value = 6}, |
| 2801 | { .input = &tegra_pll_x, .value = 8}, |
| 2802 | { 0, 0}, |
| 2803 | }; |
| 2804 | |
| 2805 | static struct clk tegra_clk_cclk_g = { |
| 2806 | .name = "cclk_g", |
| 2807 | .flags = DIV_U71 | DIV_U71_INT, |
| 2808 | .inputs = mux_cclk_g, |
| 2809 | .reg = 0x368, |
| 2810 | .ops = &tegra_super_ops, |
| 2811 | .max_rate = 1700000000, |
| 2812 | }; |
| 2813 | |
| 2814 | static struct clk tegra30_clk_twd = { |
| 2815 | .parent = &tegra_clk_cclk_g, |
| 2816 | .name = "twd", |
| 2817 | .ops = &tegra30_twd_ops, |
| 2818 | .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ |
| 2819 | .mul = 1, |
| 2820 | .div = 2, |
| 2821 | }; |
| 2822 | |
| 2823 | #define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ |
| 2824 | { \ |
| 2825 | .name = _name, \ |
| 2826 | .lookup = { \ |
| 2827 | .dev_id = _dev, \ |
| 2828 | .con_id = _con, \ |
| 2829 | }, \ |
| 2830 | .ops = &tegra_periph_clk_ops, \ |
| 2831 | .reg = _reg, \ |
| 2832 | .inputs = _inputs, \ |
| 2833 | .flags = _flags, \ |
| 2834 | .max_rate = _max, \ |
| 2835 | .u.periph = { \ |
| 2836 | .clk_num = _clk_num, \ |
| 2837 | }, \ |
| 2838 | } |
| 2839 | |
| 2840 | #define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ |
| 2841 | _flags, _ops) \ |
| 2842 | { \ |
| 2843 | .name = _name, \ |
| 2844 | .lookup = { \ |
| 2845 | .dev_id = _dev, \ |
| 2846 | .con_id = _con, \ |
| 2847 | }, \ |
| 2848 | .ops = _ops, \ |
| 2849 | .reg = _reg, \ |
| 2850 | .inputs = _inputs, \ |
| 2851 | .flags = _flags, \ |
| 2852 | .max_rate = _max, \ |
| 2853 | .u.periph = { \ |
| 2854 | .clk_num = _clk_num, \ |
| 2855 | }, \ |
| 2856 | } |
| 2857 | |
| 2858 | #define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ |
| 2859 | { \ |
| 2860 | .name = _name, \ |
| 2861 | .lookup = { \ |
| 2862 | .dev_id = _dev, \ |
| 2863 | .con_id = _con, \ |
| 2864 | }, \ |
| 2865 | .ops = &tegra_clk_shared_bus_ops, \ |
| 2866 | .parent = _parent, \ |
| 2867 | .u.shared_bus_user = { \ |
| 2868 | .client_id = _id, \ |
| 2869 | .client_div = _div, \ |
| 2870 | .mode = _mode, \ |
| 2871 | }, \ |
| 2872 | } |
| 2873 | struct clk tegra_list_clks[] = { |
| 2874 | PERIPH_CLK("apbdma", "tegra-dma", NULL, 34, 0, 26000000, mux_clk_m, 0), |
| 2875 | PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), |
| 2876 | PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), |
| 2877 | PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), |
| 2878 | PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), |
| 2879 | PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), |
| 2880 | PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), |
| 2881 | PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), |
| 2882 | PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2883 | PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2884 | PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2885 | PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2886 | PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2887 | PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2888 | PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2889 | PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), |
| 2890 | PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), |
| 2891 | PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), |
| 2892 | PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), |
| 2893 | PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), |
| 2894 | PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), |
| 2895 | PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), |
| 2896 | PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), |
| 2897 | PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2898 | PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2899 | PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2900 | PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2901 | PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2902 | PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2903 | PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), |
| 2904 | PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), |
| 2905 | PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), |
| 2906 | PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), |
| 2907 | PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), |
| 2908 | PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2909 | PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ |
| 2910 | PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ |
| 2911 | PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ |
| 2912 | PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ |
| 2913 | PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), |
| 2914 | PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), |
| 2915 | PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), |
| 2916 | PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), |
| 2917 | PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ |
| 2918 | PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), |
| 2919 | PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2920 | PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ |
| 2921 | PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ |
| 2922 | PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), |
| 2923 | PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), |
| 2924 | PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), |
| 2925 | PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), |
| 2926 | PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), |
| 2927 | PERIPH_CLK("uarta", "tegra_uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2928 | PERIPH_CLK("uartb", "tegra_uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2929 | PERIPH_CLK("uartc", "tegra_uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2930 | PERIPH_CLK("uartd", "tegra_uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2931 | PERIPH_CLK("uarte", "tegra_uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2932 | PERIPH_CLK("uarta_dbg", "serial8250.0", "uarta", 6, 0x178, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2933 | PERIPH_CLK("uartb_dbg", "serial8250.0", "uartb", 7, 0x17c, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2934 | PERIPH_CLK("uartc_dbg", "serial8250.0", "uartc", 55, 0x1a0, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2935 | PERIPH_CLK("uartd_dbg", "serial8250.0", "uartd", 65, 0x1c0, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2936 | PERIPH_CLK("uarte_dbg", "serial8250.0", "uarte", 66, 0x1c4, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), |
| 2937 | PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), |
| 2938 | PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), |
| 2939 | PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), |
| 2940 | PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), |
| 2941 | PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), |
| 2942 | PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), |
| 2943 | PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), |
| 2944 | PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), |
| 2945 | PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ |
| 2946 | PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ |
| 2947 | PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), |
| 2948 | PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), |
| 2949 | PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ |
| 2950 | PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), |
| 2951 | PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), |
| 2952 | PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ |
| 2953 | PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ |
| 2954 | PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ |
| 2955 | PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), |
| 2956 | PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), |
| 2957 | PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), |
| 2958 | PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ |
| 2959 | PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), |
| 2960 | |
| 2961 | PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), |
| 2962 | PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), |
| 2963 | PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), |
| 2964 | PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), |
| 2965 | PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), |
| 2966 | PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), |
| 2967 | PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), |
| 2968 | PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), |
| 2969 | PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), |
| 2970 | }; |
| 2971 | |
| 2972 | #define CLK_DUPLICATE(_name, _dev, _con) \ |
| 2973 | { \ |
| 2974 | .name = _name, \ |
| 2975 | .lookup = { \ |
| 2976 | .dev_id = _dev, \ |
| 2977 | .con_id = _con, \ |
| 2978 | }, \ |
| 2979 | } |
| 2980 | |
| 2981 | /* Some clocks may be used by different drivers depending on the board |
| 2982 | * configuration. List those here to register them twice in the clock lookup |
| 2983 | * table under two names. |
| 2984 | */ |
| 2985 | struct clk_duplicate tegra_clk_duplicates[] = { |
| 2986 | CLK_DUPLICATE("usbd", "utmip-pad", NULL), |
| 2987 | CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), |
| 2988 | CLK_DUPLICATE("usbd", "tegra-otg", NULL), |
| 2989 | CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), |
| 2990 | CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), |
| 2991 | CLK_DUPLICATE("dsib", "tegradc.0", "dsib"), |
| 2992 | CLK_DUPLICATE("dsia", "tegradc.1", "dsia"), |
| 2993 | CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), |
| 2994 | CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), |
| 2995 | CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), |
| 2996 | CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), |
| 2997 | CLK_DUPLICATE("bsev", "tegra-avp", "bsev"), |
| 2998 | CLK_DUPLICATE("bsev", "nvavp", "bsev"), |
| 2999 | CLK_DUPLICATE("vde", "tegra-aes", "vde"), |
| 3000 | CLK_DUPLICATE("bsea", "tegra-aes", "bsea"), |
| 3001 | CLK_DUPLICATE("bsea", "nvavp", "bsea"), |
| 3002 | CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL), |
| 3003 | CLK_DUPLICATE("cml0", "tegra_pcie", "cml"), |
| 3004 | CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"), |
| 3005 | CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL), |
| 3006 | CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL), |
| 3007 | CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL), |
| 3008 | CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL), |
| 3009 | CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL), |
| 3010 | CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL), |
| 3011 | CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL), |
| 3012 | CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL), |
| 3013 | CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL), |
| 3014 | CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL), |
| 3015 | CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL), |
| 3016 | CLK_DUPLICATE("twd", "smp_twd", NULL), |
| 3017 | CLK_DUPLICATE("vcp", "nvavp", "vcp"), |
| 3018 | }; |
| 3019 | |
| 3020 | struct clk *tegra_ptr_clks[] = { |
| 3021 | &tegra_clk_32k, |
| 3022 | &tegra_clk_m, |
| 3023 | &tegra_clk_m_div2, |
| 3024 | &tegra_clk_m_div4, |
| 3025 | &tegra_pll_ref, |
| 3026 | &tegra_pll_m, |
| 3027 | &tegra_pll_m_out1, |
| 3028 | &tegra_pll_c, |
| 3029 | &tegra_pll_c_out1, |
| 3030 | &tegra_pll_p, |
| 3031 | &tegra_pll_p_out1, |
| 3032 | &tegra_pll_p_out2, |
| 3033 | &tegra_pll_p_out3, |
| 3034 | &tegra_pll_p_out4, |
| 3035 | &tegra_pll_a, |
| 3036 | &tegra_pll_a_out0, |
| 3037 | &tegra_pll_d, |
| 3038 | &tegra_pll_d_out0, |
| 3039 | &tegra_pll_d2, |
| 3040 | &tegra_pll_d2_out0, |
| 3041 | &tegra_pll_u, |
| 3042 | &tegra_pll_x, |
| 3043 | &tegra_pll_x_out0, |
| 3044 | &tegra_pll_e, |
| 3045 | &tegra_clk_cclk_g, |
| 3046 | &tegra_cml0_clk, |
| 3047 | &tegra_cml1_clk, |
| 3048 | &tegra_pciex_clk, |
| 3049 | &tegra_clk_sclk, |
| 3050 | &tegra_clk_blink, |
| 3051 | &tegra30_clk_twd, |
| 3052 | }; |
| 3053 | |
| 3054 | |
| 3055 | static void tegra30_init_one_clock(struct clk *c) |
| 3056 | { |
| 3057 | clk_init(c); |
| 3058 | INIT_LIST_HEAD(&c->shared_bus_list); |
| 3059 | if (!c->lookup.dev_id && !c->lookup.con_id) |
| 3060 | c->lookup.con_id = c->name; |
| 3061 | c->lookup.clk = c; |
| 3062 | clkdev_add(&c->lookup); |
| 3063 | } |
| 3064 | |
| 3065 | void __init tegra30_init_clocks(void) |
| 3066 | { |
| 3067 | int i; |
| 3068 | struct clk *c; |
| 3069 | |
| 3070 | for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) |
| 3071 | tegra30_init_one_clock(tegra_ptr_clks[i]); |
| 3072 | |
| 3073 | for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) |
| 3074 | tegra30_init_one_clock(&tegra_list_clks[i]); |
| 3075 | |
| 3076 | for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { |
| 3077 | c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); |
| 3078 | if (!c) { |
| 3079 | pr_err("%s: Unknown duplicate clock %s\n", __func__, |
| 3080 | tegra_clk_duplicates[i].name); |
| 3081 | continue; |
| 3082 | } |
| 3083 | |
| 3084 | tegra_clk_duplicates[i].lookup.clk = c; |
| 3085 | clkdev_add(&tegra_clk_duplicates[i].lookup); |
| 3086 | } |
| 3087 | |
| 3088 | for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) |
| 3089 | tegra30_init_one_clock(&tegra_sync_source_list[i]); |
| 3090 | for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) |
| 3091 | tegra30_init_one_clock(&tegra_clk_audio_list[i]); |
| 3092 | for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) |
| 3093 | tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); |
| 3094 | |
| 3095 | init_clk_out_mux(); |
| 3096 | for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) |
| 3097 | tegra30_init_one_clock(&tegra_clk_out_list[i]); |
| 3098 | |
| 3099 | } |