diff options
Diffstat (limited to 'arch/arm/mach-s5p64x0/clock-s5p6450.c')
| -rw-r--r-- | arch/arm/mach-s5p64x0/clock-s5p6450.c | 655 |
1 files changed, 655 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p64x0/clock-s5p6450.c b/arch/arm/mach-s5p64x0/clock-s5p6450.c new file mode 100644 index 000000000000..f9afb05b217c --- /dev/null +++ b/arch/arm/mach-s5p64x0/clock-s5p6450.c | |||
| @@ -0,0 +1,655 @@ | |||
| 1 | /* linux/arch/arm/mach-s5p64x0/clock-s5p6450.c | ||
| 2 | * | ||
| 3 | * Copyright (c) 2010 Samsung Electronics Co., Ltd. | ||
| 4 | * http://www.samsung.com | ||
| 5 | * | ||
| 6 | * S5P6450 - Clock support | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License version 2 as | ||
| 10 | * published by the Free Software Foundation. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #include <linux/init.h> | ||
| 14 | #include <linux/module.h> | ||
| 15 | #include <linux/kernel.h> | ||
| 16 | #include <linux/list.h> | ||
| 17 | #include <linux/errno.h> | ||
| 18 | #include <linux/err.h> | ||
| 19 | #include <linux/clk.h> | ||
| 20 | #include <linux/sysdev.h> | ||
| 21 | #include <linux/io.h> | ||
| 22 | |||
| 23 | #include <mach/hardware.h> | ||
| 24 | #include <mach/map.h> | ||
| 25 | #include <mach/regs-clock.h> | ||
| 26 | #include <mach/s5p64x0-clock.h> | ||
| 27 | |||
| 28 | #include <plat/cpu-freq.h> | ||
| 29 | #include <plat/clock.h> | ||
| 30 | #include <plat/cpu.h> | ||
| 31 | #include <plat/pll.h> | ||
| 32 | #include <plat/s5p-clock.h> | ||
| 33 | #include <plat/clock-clksrc.h> | ||
| 34 | #include <plat/s5p6450.h> | ||
| 35 | |||
| 36 | static struct clksrc_clk clk_mout_dpll = { | ||
| 37 | .clk = { | ||
| 38 | .name = "mout_dpll", | ||
| 39 | .id = -1, | ||
| 40 | }, | ||
| 41 | .sources = &clk_src_dpll, | ||
| 42 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 5, .size = 1 }, | ||
| 43 | }; | ||
| 44 | |||
| 45 | static u32 epll_div[][5] = { | ||
| 46 | { 133000000, 27307, 55, 2, 2 }, | ||
| 47 | { 100000000, 43691, 41, 2, 2 }, | ||
| 48 | { 480000000, 0, 80, 2, 0 }, | ||
| 49 | }; | ||
| 50 | |||
| 51 | static int s5p6450_epll_set_rate(struct clk *clk, unsigned long rate) | ||
| 52 | { | ||
| 53 | unsigned int epll_con, epll_con_k; | ||
| 54 | unsigned int i; | ||
| 55 | |||
| 56 | if (clk->rate == rate) /* Return if nothing changed */ | ||
| 57 | return 0; | ||
| 58 | |||
| 59 | epll_con = __raw_readl(S5P64X0_EPLL_CON); | ||
| 60 | epll_con_k = __raw_readl(S5P64X0_EPLL_CON_K); | ||
| 61 | |||
| 62 | epll_con_k &= ~(PLL90XX_KDIV_MASK); | ||
| 63 | epll_con &= ~(PLL90XX_MDIV_MASK | PLL90XX_PDIV_MASK | PLL90XX_SDIV_MASK); | ||
| 64 | |||
| 65 | for (i = 0; i < ARRAY_SIZE(epll_div); i++) { | ||
| 66 | if (epll_div[i][0] == rate) { | ||
| 67 | epll_con_k |= (epll_div[i][1] << PLL90XX_KDIV_SHIFT); | ||
| 68 | epll_con |= (epll_div[i][2] << PLL90XX_MDIV_SHIFT) | | ||
| 69 | (epll_div[i][3] << PLL90XX_PDIV_SHIFT) | | ||
| 70 | (epll_div[i][4] << PLL90XX_SDIV_SHIFT); | ||
| 71 | break; | ||
| 72 | } | ||
| 73 | } | ||
| 74 | |||
| 75 | if (i == ARRAY_SIZE(epll_div)) { | ||
| 76 | printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n", __func__); | ||
| 77 | return -EINVAL; | ||
| 78 | } | ||
| 79 | |||
| 80 | __raw_writel(epll_con, S5P64X0_EPLL_CON); | ||
| 81 | __raw_writel(epll_con_k, S5P64X0_EPLL_CON_K); | ||
| 82 | |||
| 83 | clk->rate = rate; | ||
| 84 | |||
| 85 | return 0; | ||
| 86 | } | ||
| 87 | |||
| 88 | static struct clk_ops s5p6450_epll_ops = { | ||
| 89 | .get_rate = s5p64x0_epll_get_rate, | ||
| 90 | .set_rate = s5p6450_epll_set_rate, | ||
| 91 | }; | ||
| 92 | |||
| 93 | static struct clksrc_clk clk_dout_epll = { | ||
| 94 | .clk = { | ||
| 95 | .name = "dout_epll", | ||
| 96 | .id = -1, | ||
| 97 | .parent = &clk_mout_epll.clk, | ||
| 98 | }, | ||
| 99 | .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 24, .size = 4 }, | ||
| 100 | }; | ||
| 101 | |||
| 102 | static struct clksrc_clk clk_mout_hclk_sel = { | ||
| 103 | .clk = { | ||
| 104 | .name = "mout_hclk_sel", | ||
| 105 | .id = -1, | ||
| 106 | }, | ||
| 107 | .sources = &clkset_hclk_low, | ||
| 108 | .reg_src = { .reg = S5P64X0_OTHERS, .shift = 15, .size = 1 }, | ||
| 109 | }; | ||
| 110 | |||
| 111 | static struct clk *clkset_hclk_list[] = { | ||
| 112 | &clk_mout_hclk_sel.clk, | ||
| 113 | &clk_armclk.clk, | ||
| 114 | }; | ||
| 115 | |||
| 116 | static struct clksrc_sources clkset_hclk = { | ||
| 117 | .sources = clkset_hclk_list, | ||
| 118 | .nr_sources = ARRAY_SIZE(clkset_hclk_list), | ||
| 119 | }; | ||
| 120 | |||
| 121 | static struct clksrc_clk clk_hclk = { | ||
| 122 | .clk = { | ||
| 123 | .name = "clk_hclk", | ||
| 124 | .id = -1, | ||
| 125 | }, | ||
| 126 | .sources = &clkset_hclk, | ||
| 127 | .reg_src = { .reg = S5P64X0_OTHERS, .shift = 14, .size = 1 }, | ||
| 128 | .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 8, .size = 4 }, | ||
| 129 | }; | ||
| 130 | |||
| 131 | static struct clksrc_clk clk_pclk = { | ||
| 132 | .clk = { | ||
| 133 | .name = "clk_pclk", | ||
| 134 | .id = -1, | ||
| 135 | .parent = &clk_hclk.clk, | ||
| 136 | }, | ||
| 137 | .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 12, .size = 4 }, | ||
| 138 | }; | ||
| 139 | static struct clksrc_clk clk_dout_pwm_ratio0 = { | ||
| 140 | .clk = { | ||
| 141 | .name = "clk_dout_pwm_ratio0", | ||
| 142 | .id = -1, | ||
| 143 | .parent = &clk_mout_hclk_sel.clk, | ||
| 144 | }, | ||
| 145 | .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 16, .size = 4 }, | ||
| 146 | }; | ||
| 147 | |||
| 148 | static struct clksrc_clk clk_pclk_to_wdt_pwm = { | ||
| 149 | .clk = { | ||
| 150 | .name = "clk_pclk_to_wdt_pwm", | ||
| 151 | .id = -1, | ||
| 152 | .parent = &clk_dout_pwm_ratio0.clk, | ||
| 153 | }, | ||
| 154 | .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 20, .size = 4 }, | ||
| 155 | }; | ||
| 156 | |||
| 157 | static struct clksrc_clk clk_hclk_low = { | ||
| 158 | .clk = { | ||
| 159 | .name = "clk_hclk_low", | ||
| 160 | .id = -1, | ||
| 161 | }, | ||
| 162 | .sources = &clkset_hclk_low, | ||
| 163 | .reg_src = { .reg = S5P64X0_OTHERS, .shift = 6, .size = 1 }, | ||
| 164 | .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 8, .size = 4 }, | ||
| 165 | }; | ||
| 166 | |||
| 167 | static struct clksrc_clk clk_pclk_low = { | ||
| 168 | .clk = { | ||
| 169 | .name = "clk_pclk_low", | ||
| 170 | .id = -1, | ||
| 171 | .parent = &clk_hclk_low.clk, | ||
| 172 | }, | ||
| 173 | .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 12, .size = 4 }, | ||
| 174 | }; | ||
| 175 | |||
| 176 | /* | ||
| 177 | * The following clocks will be disabled during clock initialization. It is | ||
| 178 | * recommended to keep the following clocks disabled until the driver requests | ||
| 179 | * for enabling the clock. | ||
| 180 | */ | ||
| 181 | static struct clk init_clocks_disable[] = { | ||
| 182 | { | ||
| 183 | .name = "usbhost", | ||
| 184 | .id = -1, | ||
| 185 | .parent = &clk_hclk_low.clk, | ||
| 186 | .enable = s5p64x0_hclk0_ctrl, | ||
| 187 | .ctrlbit = (1 << 3), | ||
| 188 | }, { | ||
| 189 | .name = "hsmmc", | ||
| 190 | .id = 0, | ||
| 191 | .parent = &clk_hclk_low.clk, | ||
| 192 | .enable = s5p64x0_hclk0_ctrl, | ||
| 193 | .ctrlbit = (1 << 17), | ||
| 194 | }, { | ||
| 195 | .name = "hsmmc", | ||
| 196 | .id = 1, | ||
| 197 | .parent = &clk_hclk_low.clk, | ||
| 198 | .enable = s5p64x0_hclk0_ctrl, | ||
| 199 | .ctrlbit = (1 << 18), | ||
| 200 | }, { | ||
| 201 | .name = "hsmmc", | ||
| 202 | .id = 2, | ||
| 203 | .parent = &clk_hclk_low.clk, | ||
| 204 | .enable = s5p64x0_hclk0_ctrl, | ||
| 205 | .ctrlbit = (1 << 19), | ||
| 206 | }, { | ||
| 207 | .name = "usbotg", | ||
| 208 | .id = -1, | ||
| 209 | .parent = &clk_hclk_low.clk, | ||
| 210 | .enable = s5p64x0_hclk0_ctrl, | ||
| 211 | .ctrlbit = (1 << 20), | ||
| 212 | }, { | ||
| 213 | .name = "lcd", | ||
| 214 | .id = -1, | ||
| 215 | .parent = &clk_h, | ||
| 216 | .enable = s5p64x0_hclk1_ctrl, | ||
| 217 | .ctrlbit = (1 << 1), | ||
| 218 | }, { | ||
| 219 | .name = "watchdog", | ||
| 220 | .id = -1, | ||
| 221 | .parent = &clk_pclk_low.clk, | ||
| 222 | .enable = s5p64x0_pclk_ctrl, | ||
| 223 | .ctrlbit = (1 << 5), | ||
| 224 | }, { | ||
| 225 | .name = "adc", | ||
| 226 | .id = -1, | ||
| 227 | .parent = &clk_pclk_low.clk, | ||
| 228 | .enable = s5p64x0_pclk_ctrl, | ||
| 229 | .ctrlbit = (1 << 12), | ||
| 230 | }, { | ||
| 231 | .name = "i2c", | ||
| 232 | .id = 0, | ||
| 233 | .parent = &clk_pclk_low.clk, | ||
| 234 | .enable = s5p64x0_pclk_ctrl, | ||
| 235 | .ctrlbit = (1 << 17), | ||
| 236 | }, { | ||
| 237 | .name = "spi", | ||
| 238 | .id = 0, | ||
| 239 | .parent = &clk_pclk_low.clk, | ||
| 240 | .enable = s5p64x0_pclk_ctrl, | ||
| 241 | .ctrlbit = (1 << 21), | ||
| 242 | }, { | ||
| 243 | .name = "spi", | ||
| 244 | .id = 1, | ||
| 245 | .parent = &clk_pclk_low.clk, | ||
| 246 | .enable = s5p64x0_pclk_ctrl, | ||
| 247 | .ctrlbit = (1 << 22), | ||
| 248 | }, { | ||
| 249 | .name = "iis", | ||
| 250 | .id = -1, | ||
| 251 | .parent = &clk_pclk_low.clk, | ||
| 252 | .enable = s5p64x0_pclk_ctrl, | ||
| 253 | .ctrlbit = (1 << 26), | ||
| 254 | }, { | ||
| 255 | .name = "i2c", | ||
| 256 | .id = 1, | ||
| 257 | .parent = &clk_pclk_low.clk, | ||
| 258 | .enable = s5p64x0_pclk_ctrl, | ||
| 259 | .ctrlbit = (1 << 27), | ||
| 260 | }, { | ||
| 261 | .name = "dmc0", | ||
| 262 | .id = -1, | ||
| 263 | .parent = &clk_pclk.clk, | ||
| 264 | .enable = s5p64x0_pclk_ctrl, | ||
| 265 | .ctrlbit = (1 << 30), | ||
| 266 | } | ||
| 267 | }; | ||
| 268 | |||
| 269 | /* | ||
| 270 | * The following clocks will be enabled during clock initialization. | ||
| 271 | */ | ||
| 272 | static struct clk init_clocks[] = { | ||
| 273 | { | ||
| 274 | .name = "intc", | ||
| 275 | .id = -1, | ||
| 276 | .parent = &clk_hclk.clk, | ||
| 277 | .enable = s5p64x0_hclk0_ctrl, | ||
| 278 | .ctrlbit = (1 << 1), | ||
| 279 | }, { | ||
| 280 | .name = "mem", | ||
| 281 | .id = -1, | ||
| 282 | .parent = &clk_hclk.clk, | ||
| 283 | .enable = s5p64x0_hclk0_ctrl, | ||
| 284 | .ctrlbit = (1 << 21), | ||
| 285 | }, { | ||
| 286 | .name = "dma", | ||
| 287 | .id = -1, | ||
| 288 | .parent = &clk_hclk_low.clk, | ||
| 289 | .enable = s5p64x0_hclk0_ctrl, | ||
| 290 | .ctrlbit = (1 << 12), | ||
| 291 | }, { | ||
| 292 | .name = "uart", | ||
| 293 | .id = 0, | ||
| 294 | .parent = &clk_pclk_low.clk, | ||
| 295 | .enable = s5p64x0_pclk_ctrl, | ||
| 296 | .ctrlbit = (1 << 1), | ||
| 297 | }, { | ||
| 298 | .name = "uart", | ||
| 299 | .id = 1, | ||
| 300 | .parent = &clk_pclk_low.clk, | ||
| 301 | .enable = s5p64x0_pclk_ctrl, | ||
| 302 | .ctrlbit = (1 << 2), | ||
| 303 | }, { | ||
| 304 | .name = "uart", | ||
| 305 | .id = 2, | ||
| 306 | .parent = &clk_pclk_low.clk, | ||
| 307 | .enable = s5p64x0_pclk_ctrl, | ||
| 308 | .ctrlbit = (1 << 3), | ||
| 309 | }, { | ||
| 310 | .name = "uart", | ||
| 311 | .id = 3, | ||
| 312 | .parent = &clk_pclk_low.clk, | ||
| 313 | .enable = s5p64x0_pclk_ctrl, | ||
| 314 | .ctrlbit = (1 << 4), | ||
| 315 | }, { | ||
| 316 | .name = "timers", | ||
| 317 | .id = -1, | ||
| 318 | .parent = &clk_pclk_to_wdt_pwm.clk, | ||
| 319 | .enable = s5p64x0_pclk_ctrl, | ||
| 320 | .ctrlbit = (1 << 7), | ||
| 321 | }, { | ||
| 322 | .name = "gpio", | ||
| 323 | .id = -1, | ||
| 324 | .parent = &clk_pclk_low.clk, | ||
| 325 | .enable = s5p64x0_pclk_ctrl, | ||
| 326 | .ctrlbit = (1 << 18), | ||
| 327 | }, | ||
| 328 | }; | ||
| 329 | |||
| 330 | static struct clk *clkset_uart_list[] = { | ||
| 331 | &clk_dout_epll.clk, | ||
| 332 | &clk_dout_mpll.clk, | ||
| 333 | }; | ||
| 334 | |||
| 335 | static struct clksrc_sources clkset_uart = { | ||
| 336 | .sources = clkset_uart_list, | ||
| 337 | .nr_sources = ARRAY_SIZE(clkset_uart_list), | ||
| 338 | }; | ||
| 339 | |||
| 340 | static struct clk *clkset_mali_list[] = { | ||
| 341 | &clk_mout_epll.clk, | ||
| 342 | &clk_mout_apll.clk, | ||
| 343 | &clk_mout_mpll.clk, | ||
| 344 | }; | ||
| 345 | |||
| 346 | static struct clksrc_sources clkset_mali = { | ||
| 347 | .sources = clkset_mali_list, | ||
| 348 | .nr_sources = ARRAY_SIZE(clkset_mali_list), | ||
| 349 | }; | ||
| 350 | |||
| 351 | static struct clk *clkset_group2_list[] = { | ||
| 352 | &clk_dout_epll.clk, | ||
| 353 | &clk_dout_mpll.clk, | ||
| 354 | &clk_ext_xtal_mux, | ||
| 355 | }; | ||
| 356 | |||
| 357 | static struct clksrc_sources clkset_group2 = { | ||
| 358 | .sources = clkset_group2_list, | ||
| 359 | .nr_sources = ARRAY_SIZE(clkset_group2_list), | ||
| 360 | }; | ||
| 361 | |||
| 362 | static struct clk *clkset_dispcon_list[] = { | ||
| 363 | &clk_dout_epll.clk, | ||
| 364 | &clk_dout_mpll.clk, | ||
| 365 | &clk_ext_xtal_mux, | ||
| 366 | &clk_mout_dpll.clk, | ||
| 367 | }; | ||
| 368 | |||
| 369 | static struct clksrc_sources clkset_dispcon = { | ||
| 370 | .sources = clkset_dispcon_list, | ||
| 371 | .nr_sources = ARRAY_SIZE(clkset_dispcon_list), | ||
| 372 | }; | ||
| 373 | |||
| 374 | static struct clk *clkset_hsmmc44_list[] = { | ||
| 375 | &clk_dout_epll.clk, | ||
| 376 | &clk_dout_mpll.clk, | ||
| 377 | &clk_ext_xtal_mux, | ||
| 378 | &s5p_clk_27m, | ||
| 379 | &clk_48m, | ||
| 380 | }; | ||
| 381 | |||
| 382 | static struct clksrc_sources clkset_hsmmc44 = { | ||
| 383 | .sources = clkset_hsmmc44_list, | ||
| 384 | .nr_sources = ARRAY_SIZE(clkset_hsmmc44_list), | ||
| 385 | }; | ||
| 386 | |||
| 387 | static struct clk *clkset_sclk_audio0_list[] = { | ||
| 388 | [0] = &clk_dout_epll.clk, | ||
| 389 | [1] = &clk_dout_mpll.clk, | ||
| 390 | [2] = &clk_ext_xtal_mux, | ||
| 391 | [3] = NULL, | ||
| 392 | [4] = NULL, | ||
| 393 | }; | ||
| 394 | |||
| 395 | static struct clksrc_sources clkset_sclk_audio0 = { | ||
| 396 | .sources = clkset_sclk_audio0_list, | ||
| 397 | .nr_sources = ARRAY_SIZE(clkset_sclk_audio0_list), | ||
| 398 | }; | ||
| 399 | |||
| 400 | static struct clksrc_clk clk_sclk_audio0 = { | ||
| 401 | .clk = { | ||
| 402 | .name = "audio-bus", | ||
| 403 | .id = -1, | ||
| 404 | .enable = s5p64x0_sclk_ctrl, | ||
| 405 | .ctrlbit = (1 << 8), | ||
| 406 | .parent = &clk_dout_epll.clk, | ||
| 407 | }, | ||
| 408 | .sources = &clkset_sclk_audio0, | ||
| 409 | .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 10, .size = 3 }, | ||
| 410 | .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 8, .size = 4 }, | ||
| 411 | }; | ||
| 412 | |||
| 413 | static struct clksrc_clk clksrcs[] = { | ||
| 414 | { | ||
| 415 | .clk = { | ||
| 416 | .name = "sclk_mmc", | ||
| 417 | .id = 0, | ||
| 418 | .ctrlbit = (1 << 24), | ||
| 419 | .enable = s5p64x0_sclk_ctrl, | ||
| 420 | }, | ||
| 421 | .sources = &clkset_group2, | ||
| 422 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 18, .size = 2 }, | ||
| 423 | .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 0, .size = 4 }, | ||
| 424 | }, { | ||
| 425 | .clk = { | ||
| 426 | .name = "sclk_mmc", | ||
| 427 | .id = 1, | ||
| 428 | .ctrlbit = (1 << 25), | ||
| 429 | .enable = s5p64x0_sclk_ctrl, | ||
| 430 | }, | ||
| 431 | .sources = &clkset_group2, | ||
| 432 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 20, .size = 2 }, | ||
| 433 | .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 4, .size = 4 }, | ||
| 434 | }, { | ||
| 435 | .clk = { | ||
| 436 | .name = "sclk_mmc", | ||
| 437 | .id = 2, | ||
| 438 | .ctrlbit = (1 << 26), | ||
| 439 | .enable = s5p64x0_sclk_ctrl, | ||
| 440 | }, | ||
| 441 | .sources = &clkset_group2, | ||
| 442 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 22, .size = 2 }, | ||
| 443 | .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 8, .size = 4 }, | ||
| 444 | }, { | ||
| 445 | .clk = { | ||
| 446 | .name = "uclk1", | ||
| 447 | .id = -1, | ||
| 448 | .ctrlbit = (1 << 5), | ||
| 449 | .enable = s5p64x0_sclk_ctrl, | ||
| 450 | }, | ||
| 451 | .sources = &clkset_uart, | ||
| 452 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 13, .size = 1 }, | ||
| 453 | .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 16, .size = 4 }, | ||
| 454 | }, { | ||
| 455 | .clk = { | ||
| 456 | .name = "sclk_spi", | ||
| 457 | .id = 0, | ||
| 458 | .ctrlbit = (1 << 20), | ||
| 459 | .enable = s5p64x0_sclk_ctrl, | ||
| 460 | }, | ||
| 461 | .sources = &clkset_group2, | ||
| 462 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 }, | ||
| 463 | .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 }, | ||
| 464 | }, { | ||
| 465 | .clk = { | ||
| 466 | .name = "sclk_spi", | ||
| 467 | .id = 1, | ||
| 468 | .ctrlbit = (1 << 21), | ||
| 469 | .enable = s5p64x0_sclk_ctrl, | ||
| 470 | }, | ||
| 471 | .sources = &clkset_group2, | ||
| 472 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 }, | ||
| 473 | .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 }, | ||
| 474 | }, { | ||
| 475 | .clk = { | ||
| 476 | .name = "sclk_fimc", | ||
| 477 | .id = -1, | ||
| 478 | .ctrlbit = (1 << 10), | ||
| 479 | .enable = s5p64x0_sclk_ctrl, | ||
| 480 | }, | ||
| 481 | .sources = &clkset_group2, | ||
| 482 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 26, .size = 2 }, | ||
| 483 | .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 12, .size = 4 }, | ||
| 484 | }, { | ||
| 485 | .clk = { | ||
| 486 | .name = "aclk_mali", | ||
| 487 | .id = -1, | ||
| 488 | .ctrlbit = (1 << 2), | ||
| 489 | .enable = s5p64x0_sclk1_ctrl, | ||
| 490 | }, | ||
| 491 | .sources = &clkset_mali, | ||
| 492 | .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 8, .size = 2 }, | ||
| 493 | .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 4, .size = 4 }, | ||
| 494 | }, { | ||
| 495 | .clk = { | ||
| 496 | .name = "sclk_2d", | ||
| 497 | .id = -1, | ||
| 498 | .ctrlbit = (1 << 12), | ||
| 499 | .enable = s5p64x0_sclk_ctrl, | ||
| 500 | }, | ||
| 501 | .sources = &clkset_mali, | ||
| 502 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 30, .size = 2 }, | ||
| 503 | .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 20, .size = 4 }, | ||
| 504 | }, { | ||
| 505 | .clk = { | ||
| 506 | .name = "sclk_usi", | ||
| 507 | .id = -1, | ||
| 508 | .ctrlbit = (1 << 7), | ||
| 509 | .enable = s5p64x0_sclk_ctrl, | ||
| 510 | }, | ||
| 511 | .sources = &clkset_group2, | ||
| 512 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 10, .size = 2 }, | ||
| 513 | .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 16, .size = 4 }, | ||
| 514 | }, { | ||
| 515 | .clk = { | ||
| 516 | .name = "sclk_camif", | ||
| 517 | .id = -1, | ||
| 518 | .ctrlbit = (1 << 6), | ||
| 519 | .enable = s5p64x0_sclk_ctrl, | ||
| 520 | }, | ||
| 521 | .sources = &clkset_group2, | ||
| 522 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 28, .size = 2 }, | ||
| 523 | .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 20, .size = 4 }, | ||
| 524 | }, { | ||
| 525 | .clk = { | ||
| 526 | .name = "sclk_dispcon", | ||
| 527 | .id = -1, | ||
| 528 | .ctrlbit = (1 << 1), | ||
| 529 | .enable = s5p64x0_sclk1_ctrl, | ||
| 530 | }, | ||
| 531 | .sources = &clkset_dispcon, | ||
| 532 | .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 4, .size = 2 }, | ||
| 533 | .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 0, .size = 4 }, | ||
| 534 | }, { | ||
| 535 | .clk = { | ||
| 536 | .name = "sclk_hsmmc44", | ||
| 537 | .id = -1, | ||
| 538 | .ctrlbit = (1 << 30), | ||
| 539 | .enable = s5p64x0_sclk_ctrl, | ||
| 540 | }, | ||
| 541 | .sources = &clkset_hsmmc44, | ||
| 542 | .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 6, .size = 3 }, | ||
| 543 | .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 28, .size = 4 }, | ||
| 544 | }, | ||
| 545 | }; | ||
| 546 | |||
| 547 | /* Clock initialization code */ | ||
| 548 | static struct clksrc_clk *sysclks[] = { | ||
| 549 | &clk_mout_apll, | ||
| 550 | &clk_mout_epll, | ||
| 551 | &clk_dout_epll, | ||
| 552 | &clk_mout_mpll, | ||
| 553 | &clk_dout_mpll, | ||
| 554 | &clk_armclk, | ||
| 555 | &clk_mout_hclk_sel, | ||
| 556 | &clk_dout_pwm_ratio0, | ||
| 557 | &clk_pclk_to_wdt_pwm, | ||
| 558 | &clk_hclk, | ||
| 559 | &clk_pclk, | ||
| 560 | &clk_hclk_low, | ||
| 561 | &clk_pclk_low, | ||
| 562 | &clk_sclk_audio0, | ||
| 563 | }; | ||
| 564 | |||
| 565 | void __init_or_cpufreq s5p6450_setup_clocks(void) | ||
| 566 | { | ||
| 567 | struct clk *xtal_clk; | ||
| 568 | |||
| 569 | unsigned long xtal; | ||
| 570 | unsigned long fclk; | ||
| 571 | unsigned long hclk; | ||
| 572 | unsigned long hclk_low; | ||
| 573 | unsigned long pclk; | ||
| 574 | unsigned long pclk_low; | ||
| 575 | |||
| 576 | unsigned long apll; | ||
| 577 | unsigned long mpll; | ||
| 578 | unsigned long epll; | ||
| 579 | unsigned long dpll; | ||
| 580 | unsigned int ptr; | ||
| 581 | |||
| 582 | /* Set S5P6450 functions for clk_fout_epll */ | ||
| 583 | |||
| 584 | clk_fout_epll.enable = s5p64x0_epll_enable; | ||
| 585 | clk_fout_epll.ops = &s5p6450_epll_ops; | ||
| 586 | |||
| 587 | clk_48m.enable = s5p64x0_clk48m_ctrl; | ||
| 588 | |||
| 589 | xtal_clk = clk_get(NULL, "ext_xtal"); | ||
| 590 | BUG_ON(IS_ERR(xtal_clk)); | ||
| 591 | |||
| 592 | xtal = clk_get_rate(xtal_clk); | ||
| 593 | clk_put(xtal_clk); | ||
| 594 | |||
| 595 | apll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_APLL_CON), pll_4502); | ||
| 596 | mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_MPLL_CON), pll_4502); | ||
| 597 | epll = s5p_get_pll90xx(xtal, __raw_readl(S5P64X0_EPLL_CON), | ||
| 598 | __raw_readl(S5P64X0_EPLL_CON_K)); | ||
| 599 | dpll = s5p_get_pll46xx(xtal, __raw_readl(S5P6450_DPLL_CON), | ||
| 600 | __raw_readl(S5P6450_DPLL_CON_K), pll_4650c); | ||
| 601 | |||
| 602 | clk_fout_apll.rate = apll; | ||
| 603 | clk_fout_mpll.rate = mpll; | ||
| 604 | clk_fout_epll.rate = epll; | ||
| 605 | clk_fout_dpll.rate = dpll; | ||
| 606 | |||
| 607 | printk(KERN_INFO "S5P6450: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \ | ||
| 608 | " E=%ld.%ldMHz, D=%ld.%ldMHz\n", | ||
| 609 | print_mhz(apll), print_mhz(mpll), print_mhz(epll), | ||
| 610 | print_mhz(dpll)); | ||
| 611 | |||
| 612 | fclk = clk_get_rate(&clk_armclk.clk); | ||
| 613 | hclk = clk_get_rate(&clk_hclk.clk); | ||
| 614 | pclk = clk_get_rate(&clk_pclk.clk); | ||
| 615 | hclk_low = clk_get_rate(&clk_hclk_low.clk); | ||
| 616 | pclk_low = clk_get_rate(&clk_pclk_low.clk); | ||
| 617 | |||
| 618 | printk(KERN_INFO "S5P6450: HCLK=%ld.%ldMHz, HCLK_LOW=%ld.%ldMHz," \ | ||
| 619 | " PCLK=%ld.%ldMHz, PCLK_LOW=%ld.%ldMHz\n", | ||
| 620 | print_mhz(hclk), print_mhz(hclk_low), | ||
| 621 | print_mhz(pclk), print_mhz(pclk_low)); | ||
| 622 | |||
| 623 | clk_f.rate = fclk; | ||
| 624 | clk_h.rate = hclk; | ||
| 625 | clk_p.rate = pclk; | ||
| 626 | |||
| 627 | for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) | ||
| 628 | s3c_set_clksrc(&clksrcs[ptr], true); | ||
| 629 | } | ||
| 630 | |||
| 631 | void __init s5p6450_register_clocks(void) | ||
| 632 | { | ||
| 633 | struct clk *clkp; | ||
| 634 | int ret; | ||
| 635 | int ptr; | ||
| 636 | |||
| 637 | for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++) | ||
| 638 | s3c_register_clksrc(sysclks[ptr], 1); | ||
| 639 | |||
| 640 | s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); | ||
| 641 | s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); | ||
| 642 | |||
| 643 | clkp = init_clocks_disable; | ||
| 644 | for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) { | ||
| 645 | |||
| 646 | ret = s3c24xx_register_clock(clkp); | ||
| 647 | if (ret < 0) { | ||
| 648 | printk(KERN_ERR "Failed to register clock %s (%d)\n", | ||
| 649 | clkp->name, ret); | ||
| 650 | } | ||
| 651 | (clkp->enable)(clkp, 0); | ||
| 652 | } | ||
| 653 | |||
| 654 | s3c_pwmclk_init(); | ||
| 655 | } | ||
