diff options
Diffstat (limited to 'arch/arm/mach-shmobile/clock-sh7372.c')
| -rw-r--r-- | arch/arm/mach-shmobile/clock-sh7372.c | 560 |
1 files changed, 560 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c new file mode 100644 index 000000000000..fb4e9b1d788e --- /dev/null +++ b/arch/arm/mach-shmobile/clock-sh7372.c | |||
| @@ -0,0 +1,560 @@ | |||
| 1 | /* | ||
| 2 | * SH7372 clock framework support | ||
| 3 | * | ||
| 4 | * Copyright (C) 2010 Magnus Damm | ||
| 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; either version 2 of the License | ||
| 9 | * | ||
| 10 | * This program is distributed in the hope that it will be useful, | ||
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 13 | * GNU General Public License for more details. | ||
| 14 | * | ||
| 15 | * You should have received a copy of the GNU General Public License | ||
| 16 | * along with this program; if not, write to the Free Software | ||
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 18 | */ | ||
| 19 | #include <linux/init.h> | ||
| 20 | #include <linux/kernel.h> | ||
| 21 | #include <linux/io.h> | ||
| 22 | #include <linux/sh_clk.h> | ||
| 23 | #include <mach/common.h> | ||
| 24 | #include <asm/clkdev.h> | ||
| 25 | |||
| 26 | /* SH7372 registers */ | ||
| 27 | #define FRQCRA 0xe6150000 | ||
| 28 | #define FRQCRB 0xe6150004 | ||
| 29 | #define FRQCRC 0xe61500e0 | ||
| 30 | #define FRQCRD 0xe61500e4 | ||
| 31 | #define VCLKCR1 0xe6150008 | ||
| 32 | #define VCLKCR2 0xe615000c | ||
| 33 | #define VCLKCR3 0xe615001c | ||
| 34 | #define FMSICKCR 0xe6150010 | ||
| 35 | #define FMSOCKCR 0xe6150014 | ||
| 36 | #define FSIACKCR 0xe6150018 | ||
| 37 | #define FSIBCKCR 0xe6150090 | ||
| 38 | #define SUBCKCR 0xe6150080 | ||
| 39 | #define SPUCKCR 0xe6150084 | ||
| 40 | #define VOUCKCR 0xe6150088 | ||
| 41 | #define HDMICKCR 0xe6150094 | ||
| 42 | #define DSITCKCR 0xe6150060 | ||
| 43 | #define DSI0PCKCR 0xe6150064 | ||
| 44 | #define DSI1PCKCR 0xe6150098 | ||
| 45 | #define PLLC01CR 0xe6150028 | ||
| 46 | #define PLLC2CR 0xe615002c | ||
| 47 | #define SMSTPCR0 0xe6150130 | ||
| 48 | #define SMSTPCR1 0xe6150134 | ||
| 49 | #define SMSTPCR2 0xe6150138 | ||
| 50 | #define SMSTPCR3 0xe615013c | ||
| 51 | #define SMSTPCR4 0xe6150140 | ||
| 52 | |||
| 53 | /* Platforms must set frequency on their DV_CLKI pin */ | ||
| 54 | struct clk dv_clki_clk = { | ||
| 55 | }; | ||
| 56 | |||
| 57 | /* Fixed 32 KHz root clock from EXTALR pin */ | ||
| 58 | static struct clk r_clk = { | ||
| 59 | .rate = 32768, | ||
| 60 | }; | ||
| 61 | |||
| 62 | /* | ||
| 63 | * 26MHz default rate for the EXTAL1 root input clock. | ||
| 64 | * If needed, reset this with clk_set_rate() from the platform code. | ||
| 65 | */ | ||
| 66 | struct clk sh7372_extal1_clk = { | ||
| 67 | .rate = 26000000, | ||
| 68 | }; | ||
| 69 | |||
| 70 | /* | ||
| 71 | * 48MHz default rate for the EXTAL2 root input clock. | ||
| 72 | * If needed, reset this with clk_set_rate() from the platform code. | ||
| 73 | */ | ||
| 74 | struct clk sh7372_extal2_clk = { | ||
| 75 | .rate = 48000000, | ||
| 76 | }; | ||
| 77 | |||
| 78 | /* A fixed divide-by-2 block */ | ||
| 79 | static unsigned long div2_recalc(struct clk *clk) | ||
| 80 | { | ||
| 81 | return clk->parent->rate / 2; | ||
| 82 | } | ||
| 83 | |||
| 84 | static struct clk_ops div2_clk_ops = { | ||
| 85 | .recalc = div2_recalc, | ||
| 86 | }; | ||
| 87 | |||
| 88 | /* Divide dv_clki by two */ | ||
| 89 | struct clk dv_clki_div2_clk = { | ||
| 90 | .ops = &div2_clk_ops, | ||
| 91 | .parent = &dv_clki_clk, | ||
| 92 | }; | ||
| 93 | |||
| 94 | /* Divide extal1 by two */ | ||
| 95 | static struct clk extal1_div2_clk = { | ||
| 96 | .ops = &div2_clk_ops, | ||
| 97 | .parent = &sh7372_extal1_clk, | ||
| 98 | }; | ||
| 99 | |||
| 100 | /* Divide extal2 by two */ | ||
| 101 | static struct clk extal2_div2_clk = { | ||
| 102 | .ops = &div2_clk_ops, | ||
| 103 | .parent = &sh7372_extal2_clk, | ||
| 104 | }; | ||
| 105 | |||
| 106 | /* Divide extal2 by four */ | ||
| 107 | static struct clk extal2_div4_clk = { | ||
| 108 | .ops = &div2_clk_ops, | ||
| 109 | .parent = &extal2_div2_clk, | ||
| 110 | }; | ||
| 111 | |||
| 112 | /* PLLC0 and PLLC1 */ | ||
| 113 | static unsigned long pllc01_recalc(struct clk *clk) | ||
| 114 | { | ||
| 115 | unsigned long mult = 1; | ||
| 116 | |||
| 117 | if (__raw_readl(PLLC01CR) & (1 << 14)) | ||
| 118 | mult = (((__raw_readl(clk->enable_reg) >> 24) & 0x3f) + 1) * 2; | ||
| 119 | |||
| 120 | return clk->parent->rate * mult; | ||
| 121 | } | ||
| 122 | |||
| 123 | static struct clk_ops pllc01_clk_ops = { | ||
| 124 | .recalc = pllc01_recalc, | ||
| 125 | }; | ||
| 126 | |||
| 127 | static struct clk pllc0_clk = { | ||
| 128 | .ops = &pllc01_clk_ops, | ||
| 129 | .flags = CLK_ENABLE_ON_INIT, | ||
| 130 | .parent = &extal1_div2_clk, | ||
| 131 | .enable_reg = (void __iomem *)FRQCRC, | ||
| 132 | }; | ||
| 133 | |||
| 134 | static struct clk pllc1_clk = { | ||
| 135 | .ops = &pllc01_clk_ops, | ||
| 136 | .flags = CLK_ENABLE_ON_INIT, | ||
| 137 | .parent = &extal1_div2_clk, | ||
| 138 | .enable_reg = (void __iomem *)FRQCRA, | ||
| 139 | }; | ||
| 140 | |||
| 141 | /* Divide PLLC1 by two */ | ||
| 142 | static struct clk pllc1_div2_clk = { | ||
| 143 | .ops = &div2_clk_ops, | ||
| 144 | .parent = &pllc1_clk, | ||
| 145 | }; | ||
| 146 | |||
| 147 | /* PLLC2 */ | ||
| 148 | |||
| 149 | /* Indices are important - they are the actual src selecting values */ | ||
| 150 | static struct clk *pllc2_parent[] = { | ||
| 151 | [0] = &extal1_div2_clk, | ||
| 152 | [1] = &extal2_div2_clk, | ||
| 153 | [2] = &dv_clki_div2_clk, | ||
| 154 | }; | ||
| 155 | |||
| 156 | /* Only multipliers 20 * 2 to 46 * 2 are valid, last entry for CPUFREQ_TABLE_END */ | ||
| 157 | static struct cpufreq_frequency_table pllc2_freq_table[29]; | ||
| 158 | |||
| 159 | static void pllc2_table_rebuild(struct clk *clk) | ||
| 160 | { | ||
| 161 | int i; | ||
| 162 | |||
| 163 | /* Initialise PLLC2 frequency table */ | ||
| 164 | for (i = 0; i < ARRAY_SIZE(pllc2_freq_table) - 2; i++) { | ||
| 165 | pllc2_freq_table[i].frequency = clk->parent->rate * (i + 20) * 2; | ||
| 166 | pllc2_freq_table[i].index = i; | ||
| 167 | } | ||
| 168 | |||
| 169 | /* This is a special entry - switching PLL off makes it a repeater */ | ||
| 170 | pllc2_freq_table[i].frequency = clk->parent->rate; | ||
| 171 | pllc2_freq_table[i].index = i; | ||
| 172 | |||
| 173 | pllc2_freq_table[++i].frequency = CPUFREQ_TABLE_END; | ||
| 174 | pllc2_freq_table[i].index = i; | ||
| 175 | } | ||
| 176 | |||
| 177 | static unsigned long pllc2_recalc(struct clk *clk) | ||
| 178 | { | ||
| 179 | unsigned long mult = 1; | ||
| 180 | |||
| 181 | pllc2_table_rebuild(clk); | ||
| 182 | |||
| 183 | /* | ||
| 184 | * If the PLL is off, mult == 1, clk->rate will be updated in | ||
| 185 | * pllc2_enable(). | ||
| 186 | */ | ||
| 187 | if (__raw_readl(PLLC2CR) & (1 << 31)) | ||
| 188 | mult = (((__raw_readl(PLLC2CR) >> 24) & 0x3f) + 1) * 2; | ||
| 189 | |||
| 190 | return clk->parent->rate * mult; | ||
| 191 | } | ||
| 192 | |||
| 193 | static long pllc2_round_rate(struct clk *clk, unsigned long rate) | ||
| 194 | { | ||
| 195 | return clk_rate_table_round(clk, clk->freq_table, rate); | ||
| 196 | } | ||
| 197 | |||
| 198 | static int pllc2_enable(struct clk *clk) | ||
| 199 | { | ||
| 200 | int i; | ||
| 201 | |||
| 202 | __raw_writel(__raw_readl(PLLC2CR) | 0x80000000, PLLC2CR); | ||
| 203 | |||
| 204 | for (i = 0; i < 100; i++) | ||
| 205 | if (__raw_readl(PLLC2CR) & 0x80000000) { | ||
| 206 | clk->rate = pllc2_recalc(clk); | ||
| 207 | return 0; | ||
| 208 | } | ||
| 209 | |||
| 210 | pr_err("%s(): timeout!\n", __func__); | ||
| 211 | |||
| 212 | return -ETIMEDOUT; | ||
| 213 | } | ||
| 214 | |||
| 215 | static void pllc2_disable(struct clk *clk) | ||
| 216 | { | ||
| 217 | __raw_writel(__raw_readl(PLLC2CR) & ~0x80000000, PLLC2CR); | ||
| 218 | } | ||
| 219 | |||
| 220 | static int pllc2_set_rate(struct clk *clk, | ||
| 221 | unsigned long rate, int algo_id) | ||
| 222 | { | ||
| 223 | unsigned long value; | ||
| 224 | int idx; | ||
| 225 | |||
| 226 | idx = clk_rate_table_find(clk, clk->freq_table, rate); | ||
| 227 | if (idx < 0) | ||
| 228 | return idx; | ||
| 229 | |||
| 230 | if (rate == clk->parent->rate) { | ||
| 231 | pllc2_disable(clk); | ||
| 232 | return 0; | ||
| 233 | } | ||
| 234 | |||
| 235 | value = __raw_readl(PLLC2CR) & ~(0x3f << 24); | ||
| 236 | |||
| 237 | if (value & 0x80000000) | ||
| 238 | pllc2_disable(clk); | ||
| 239 | |||
| 240 | __raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR); | ||
| 241 | |||
| 242 | if (value & 0x80000000) | ||
| 243 | return pllc2_enable(clk); | ||
| 244 | |||
| 245 | return 0; | ||
| 246 | } | ||
| 247 | |||
| 248 | static int pllc2_set_parent(struct clk *clk, struct clk *parent) | ||
| 249 | { | ||
| 250 | u32 value; | ||
| 251 | int ret, i; | ||
| 252 | |||
| 253 | if (!clk->parent_table || !clk->parent_num) | ||
| 254 | return -EINVAL; | ||
| 255 | |||
| 256 | /* Search the parent */ | ||
| 257 | for (i = 0; i < clk->parent_num; i++) | ||
| 258 | if (clk->parent_table[i] == parent) | ||
| 259 | break; | ||
| 260 | |||
| 261 | if (i == clk->parent_num) | ||
| 262 | return -ENODEV; | ||
| 263 | |||
| 264 | ret = clk_reparent(clk, parent); | ||
| 265 | if (ret < 0) | ||
| 266 | return ret; | ||
| 267 | |||
| 268 | value = __raw_readl(PLLC2CR) & ~(3 << 6); | ||
| 269 | |||
| 270 | __raw_writel(value | (i << 6), PLLC2CR); | ||
| 271 | |||
| 272 | /* Rebiuld the frequency table */ | ||
| 273 | pllc2_table_rebuild(clk); | ||
| 274 | |||
| 275 | return 0; | ||
| 276 | } | ||
| 277 | |||
| 278 | static struct clk_ops pllc2_clk_ops = { | ||
| 279 | .recalc = pllc2_recalc, | ||
| 280 | .round_rate = pllc2_round_rate, | ||
| 281 | .set_rate = pllc2_set_rate, | ||
| 282 | .enable = pllc2_enable, | ||
| 283 | .disable = pllc2_disable, | ||
| 284 | .set_parent = pllc2_set_parent, | ||
| 285 | }; | ||
| 286 | |||
| 287 | struct clk pllc2_clk = { | ||
| 288 | .ops = &pllc2_clk_ops, | ||
| 289 | .flags = CLK_ENABLE_ON_INIT, | ||
| 290 | .parent = &extal1_div2_clk, | ||
| 291 | .freq_table = pllc2_freq_table, | ||
| 292 | .parent_table = pllc2_parent, | ||
| 293 | .parent_num = ARRAY_SIZE(pllc2_parent), | ||
| 294 | }; | ||
| 295 | |||
| 296 | static struct clk *main_clks[] = { | ||
| 297 | &dv_clki_clk, | ||
| 298 | &r_clk, | ||
| 299 | &sh7372_extal1_clk, | ||
| 300 | &sh7372_extal2_clk, | ||
| 301 | &dv_clki_div2_clk, | ||
| 302 | &extal1_div2_clk, | ||
| 303 | &extal2_div2_clk, | ||
| 304 | &extal2_div4_clk, | ||
| 305 | &pllc0_clk, | ||
| 306 | &pllc1_clk, | ||
| 307 | &pllc1_div2_clk, | ||
| 308 | &pllc2_clk, | ||
| 309 | }; | ||
| 310 | |||
| 311 | static void div4_kick(struct clk *clk) | ||
| 312 | { | ||
| 313 | unsigned long value; | ||
| 314 | |||
| 315 | /* set KICK bit in FRQCRB to update hardware setting */ | ||
| 316 | value = __raw_readl(FRQCRB); | ||
| 317 | value |= (1 << 31); | ||
| 318 | __raw_writel(value, FRQCRB); | ||
| 319 | } | ||
| 320 | |||
| 321 | static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18, | ||
| 322 | 24, 32, 36, 48, 0, 72, 96, 0 }; | ||
| 323 | |||
| 324 | static struct clk_div_mult_table div4_div_mult_table = { | ||
| 325 | .divisors = divisors, | ||
| 326 | .nr_divisors = ARRAY_SIZE(divisors), | ||
| 327 | }; | ||
| 328 | |||
| 329 | static struct clk_div4_table div4_table = { | ||
| 330 | .div_mult_table = &div4_div_mult_table, | ||
| 331 | .kick = div4_kick, | ||
| 332 | }; | ||
| 333 | |||
| 334 | enum { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_CSIR, | ||
| 335 | DIV4_ZTR, DIV4_ZT, DIV4_ZX, DIV4_HP, | ||
| 336 | DIV4_ISPB, DIV4_S, DIV4_ZB, DIV4_ZB3, DIV4_CP, | ||
| 337 | DIV4_DDRP, DIV4_NR }; | ||
| 338 | |||
| 339 | #define DIV4(_reg, _bit, _mask, _flags) \ | ||
| 340 | SH_CLK_DIV4(&pllc1_clk, _reg, _bit, _mask, _flags) | ||
| 341 | |||
| 342 | static struct clk div4_clks[DIV4_NR] = { | ||
| 343 | [DIV4_I] = DIV4(FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT), | ||
| 344 | [DIV4_ZG] = DIV4(FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT), | ||
| 345 | [DIV4_B] = DIV4(FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT), | ||
| 346 | [DIV4_M1] = DIV4(FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT), | ||
| 347 | [DIV4_CSIR] = DIV4(FRQCRA, 0, 0x6fff, 0), | ||
| 348 | [DIV4_ZTR] = DIV4(FRQCRB, 20, 0x6fff, 0), | ||
| 349 | [DIV4_ZT] = DIV4(FRQCRB, 16, 0x6fff, 0), | ||
| 350 | [DIV4_ZX] = DIV4(FRQCRB, 12, 0x6fff, 0), | ||
| 351 | [DIV4_HP] = DIV4(FRQCRB, 4, 0x6fff, 0), | ||
| 352 | [DIV4_ISPB] = DIV4(FRQCRC, 20, 0x6fff, 0), | ||
| 353 | [DIV4_S] = DIV4(FRQCRC, 12, 0x6fff, 0), | ||
| 354 | [DIV4_ZB] = DIV4(FRQCRC, 8, 0x6fff, 0), | ||
| 355 | [DIV4_ZB3] = DIV4(FRQCRC, 4, 0x6fff, 0), | ||
| 356 | [DIV4_CP] = DIV4(FRQCRC, 0, 0x6fff, 0), | ||
| 357 | [DIV4_DDRP] = DIV4(FRQCRD, 0, 0x677c, 0), | ||
| 358 | }; | ||
| 359 | |||
| 360 | enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_FMSI, DIV6_FMSO, | ||
| 361 | DIV6_FSIA, DIV6_FSIB, DIV6_SUB, DIV6_SPU, | ||
| 362 | DIV6_VOU, DIV6_DSIT, DIV6_DSI0P, DIV6_DSI1P, | ||
| 363 | DIV6_NR }; | ||
| 364 | |||
| 365 | static struct clk div6_clks[DIV6_NR] = { | ||
| 366 | [DIV6_VCK1] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR1, 0), | ||
| 367 | [DIV6_VCK2] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR2, 0), | ||
| 368 | [DIV6_VCK3] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR3, 0), | ||
| 369 | [DIV6_FMSI] = SH_CLK_DIV6(&pllc1_div2_clk, FMSICKCR, 0), | ||
| 370 | [DIV6_FMSO] = SH_CLK_DIV6(&pllc1_div2_clk, FMSOCKCR, 0), | ||
| 371 | [DIV6_FSIA] = SH_CLK_DIV6(&pllc1_div2_clk, FSIACKCR, 0), | ||
| 372 | [DIV6_FSIB] = SH_CLK_DIV6(&pllc1_div2_clk, FSIBCKCR, 0), | ||
| 373 | [DIV6_SUB] = SH_CLK_DIV6(&sh7372_extal2_clk, SUBCKCR, 0), | ||
| 374 | [DIV6_SPU] = SH_CLK_DIV6(&pllc1_div2_clk, SPUCKCR, 0), | ||
| 375 | [DIV6_VOU] = SH_CLK_DIV6(&pllc1_div2_clk, VOUCKCR, 0), | ||
| 376 | [DIV6_DSIT] = SH_CLK_DIV6(&pllc1_div2_clk, DSITCKCR, 0), | ||
| 377 | [DIV6_DSI0P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI0PCKCR, 0), | ||
| 378 | [DIV6_DSI1P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI1PCKCR, 0), | ||
| 379 | }; | ||
| 380 | |||
| 381 | enum { DIV6_HDMI, DIV6_REPARENT_NR }; | ||
| 382 | |||
| 383 | /* Indices are important - they are the actual src selecting values */ | ||
| 384 | static struct clk *hdmi_parent[] = { | ||
| 385 | [0] = &pllc1_div2_clk, | ||
| 386 | [1] = &pllc2_clk, | ||
| 387 | [2] = &dv_clki_clk, | ||
| 388 | [3] = NULL, /* pllc2_div4 not implemented yet */ | ||
| 389 | }; | ||
| 390 | |||
| 391 | static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { | ||
| 392 | [DIV6_HDMI] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, HDMICKCR, 0, | ||
| 393 | hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2), | ||
| 394 | }; | ||
| 395 | |||
| 396 | enum { MSTP001, | ||
| 397 | MSTP131, MSTP130, | ||
| 398 | MSTP129, MSTP128, | ||
| 399 | MSTP118, MSTP117, MSTP116, | ||
| 400 | MSTP106, MSTP101, MSTP100, | ||
| 401 | MSTP223, | ||
| 402 | MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, | ||
| 403 | MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312, | ||
| 404 | MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403, | ||
| 405 | MSTP_NR }; | ||
| 406 | |||
| 407 | #define MSTP(_parent, _reg, _bit, _flags) \ | ||
| 408 | SH_CLK_MSTP32(_parent, _reg, _bit, _flags) | ||
| 409 | |||
| 410 | static struct clk mstp_clks[MSTP_NR] = { | ||
| 411 | [MSTP001] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 1, 0), /* IIC2 */ | ||
| 412 | [MSTP131] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 31, 0), /* VEU3 */ | ||
| 413 | [MSTP130] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 30, 0), /* VEU2 */ | ||
| 414 | [MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* VEU1 */ | ||
| 415 | [MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* VEU0 */ | ||
| 416 | [MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX */ | ||
| 417 | [MSTP117] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */ | ||
| 418 | [MSTP116] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */ | ||
| 419 | [MSTP106] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 6, 0), /* JPU */ | ||
| 420 | [MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */ | ||
| 421 | [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ | ||
| 422 | [MSTP223] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR2, 23, 0), /* SPU2 */ | ||
| 423 | [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ | ||
| 424 | [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ | ||
| 425 | [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ | ||
| 426 | [MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */ | ||
| 427 | [MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */ | ||
| 428 | [MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */ | ||
| 429 | [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */ | ||
| 430 | [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ | ||
| 431 | [MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, CLK_ENABLE_ON_INIT), /* FSIA */ | ||
| 432 | [MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */ | ||
| 433 | [MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */ | ||
| 434 | [MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */ | ||
| 435 | [MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */ | ||
| 436 | [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */ | ||
| 437 | [MSTP415] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */ | ||
| 438 | [MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */ | ||
| 439 | [MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */ | ||
| 440 | [MSTP410] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 10, 0), /* IIC4 */ | ||
| 441 | [MSTP406] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 6, 0), /* USB1 */ | ||
| 442 | [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ | ||
| 443 | }; | ||
| 444 | |||
| 445 | #define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk } | ||
| 446 | #define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk } | ||
| 447 | |||
| 448 | static struct clk_lookup lookups[] = { | ||
| 449 | /* main clocks */ | ||
| 450 | CLKDEV_CON_ID("dv_clki_div2_clk", &dv_clki_div2_clk), | ||
| 451 | CLKDEV_CON_ID("r_clk", &r_clk), | ||
| 452 | CLKDEV_CON_ID("extal1", &sh7372_extal1_clk), | ||
| 453 | CLKDEV_CON_ID("extal2", &sh7372_extal2_clk), | ||
| 454 | CLKDEV_CON_ID("extal1_div2_clk", &extal1_div2_clk), | ||
| 455 | CLKDEV_CON_ID("extal2_div2_clk", &extal2_div2_clk), | ||
| 456 | CLKDEV_CON_ID("extal2_div4_clk", &extal2_div4_clk), | ||
| 457 | CLKDEV_CON_ID("pllc0_clk", &pllc0_clk), | ||
| 458 | CLKDEV_CON_ID("pllc1_clk", &pllc1_clk), | ||
| 459 | CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk), | ||
| 460 | CLKDEV_CON_ID("pllc2_clk", &pllc2_clk), | ||
| 461 | |||
| 462 | /* DIV4 clocks */ | ||
| 463 | CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]), | ||
| 464 | CLKDEV_CON_ID("zg_clk", &div4_clks[DIV4_ZG]), | ||
| 465 | CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]), | ||
| 466 | CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]), | ||
| 467 | CLKDEV_CON_ID("csir_clk", &div4_clks[DIV4_CSIR]), | ||
| 468 | CLKDEV_CON_ID("ztr_clk", &div4_clks[DIV4_ZTR]), | ||
| 469 | CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]), | ||
| 470 | CLKDEV_CON_ID("zx_clk", &div4_clks[DIV4_ZX]), | ||
| 471 | CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]), | ||
| 472 | CLKDEV_CON_ID("ispb_clk", &div4_clks[DIV4_ISPB]), | ||
| 473 | CLKDEV_CON_ID("s_clk", &div4_clks[DIV4_S]), | ||
| 474 | CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]), | ||
| 475 | CLKDEV_CON_ID("zb3_clk", &div4_clks[DIV4_ZB3]), | ||
| 476 | CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]), | ||
| 477 | CLKDEV_CON_ID("ddrp_clk", &div4_clks[DIV4_DDRP]), | ||
| 478 | |||
| 479 | /* DIV6 clocks */ | ||
| 480 | CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), | ||
| 481 | CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), | ||
| 482 | CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), | ||
| 483 | CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]), | ||
| 484 | CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]), | ||
| 485 | CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FSIA]), | ||
| 486 | CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FSIB]), | ||
| 487 | CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]), | ||
| 488 | CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]), | ||
| 489 | CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]), | ||
| 490 | CLKDEV_CON_ID("hdmi_clk", &div6_reparent_clks[DIV6_HDMI]), | ||
| 491 | CLKDEV_CON_ID("dsit_clk", &div6_clks[DIV6_DSIT]), | ||
| 492 | CLKDEV_CON_ID("dsi0p_clk", &div6_clks[DIV6_DSI0P]), | ||
| 493 | CLKDEV_CON_ID("dsi1p_clk", &div6_clks[DIV6_DSI1P]), | ||
| 494 | |||
| 495 | /* MSTP32 clocks */ | ||
| 496 | CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */ | ||
| 497 | CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[MSTP131]), /* VEU3 */ | ||
| 498 | CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[MSTP130]), /* VEU2 */ | ||
| 499 | CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[MSTP129]), /* VEU1 */ | ||
| 500 | CLKDEV_DEV_ID("uio_pdrv_genirq.1", &mstp_clks[MSTP128]), /* VEU0 */ | ||
| 501 | CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */ | ||
| 502 | CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */ | ||
| 503 | CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */ | ||
| 504 | CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */ | ||
| 505 | CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[MSTP101]), /* VPU */ | ||
| 506 | CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ | ||
| 507 | CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[MSTP223]), /* SPU2DSP0 */ | ||
| 508 | CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[MSTP223]), /* SPU2DSP1 */ | ||
| 509 | CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ | ||
| 510 | CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */ | ||
| 511 | CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ | ||
| 512 | CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ | ||
| 513 | CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */ | ||
| 514 | CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */ | ||
| 515 | CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */ | ||
| 516 | CLKDEV_CON_ID("cmt1", &mstp_clks[MSTP329]), /* CMT10 */ | ||
| 517 | CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */ | ||
| 518 | CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */ | ||
| 519 | CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP323]), /* USB0 */ | ||
| 520 | CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP323]), /* USB0 */ | ||
| 521 | CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ | ||
| 522 | CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ | ||
| 523 | CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */ | ||
| 524 | CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), /* SDHI2 */ | ||
| 525 | CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */ | ||
| 526 | CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */ | ||
| 527 | CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */ | ||
| 528 | CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */ | ||
| 529 | CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */ | ||
| 530 | CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ | ||
| 531 | {.con_id = "ick", .dev_id = "sh-mobile-hdmi", .clk = &div6_reparent_clks[DIV6_HDMI]}, | ||
| 532 | }; | ||
| 533 | |||
| 534 | void __init sh7372_clock_init(void) | ||
| 535 | { | ||
| 536 | int k, ret = 0; | ||
| 537 | |||
| 538 | for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) | ||
| 539 | ret = clk_register(main_clks[k]); | ||
| 540 | |||
| 541 | if (!ret) | ||
| 542 | ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); | ||
| 543 | |||
| 544 | if (!ret) | ||
| 545 | ret = sh_clk_div6_register(div6_clks, DIV6_NR); | ||
| 546 | |||
| 547 | if (!ret) | ||
| 548 | ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_NR); | ||
| 549 | |||
| 550 | if (!ret) | ||
| 551 | ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); | ||
| 552 | |||
| 553 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
| 554 | |||
| 555 | if (!ret) | ||
| 556 | clk_init(); | ||
| 557 | else | ||
| 558 | panic("failed to setup sh7372 clocks\n"); | ||
| 559 | |||
| 560 | } | ||
