arch/arm/mach-omap2/clockdomains.h

   1 /*
   2  * OMAP2/3 clockdomains
   3  *
   4  * Copyright (C) 2008 Texas Instruments, Inc.
   5  * Copyright (C) 2008 Nokia Corporation
   6  *
   7  * Written by Paul Walmsley
   8  */
   9
  10 #ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_H
  11 #define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_H
  12
  13 #include <mach/clockdomain.h>
  14
  15 /*
  16  * OMAP2/3-common clockdomains
  17  *
  18  * Even though the 2420 has a single PRCM module from the
  19  * interconnect's perspective, internally it does appear to have
  20  * separate PRM and CM clockdomains.  The usual test case is
  21  * sys_clkout/sys_clkout2.
  22  */
  23
  24 /* This is an implicit clockdomain - it is never defined as such in TRM */
  25 static struct clockdomain wkup_clkdm = {
  26         .name           = "wkup_clkdm",
  27         .pwrdm          = { .name = "wkup_pwrdm" },
  28         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
  29 };
  30
  31 static struct clockdomain prm_clkdm = {
  32         .name           = "prm_clkdm",
  33         .pwrdm          = { .name = "wkup_pwrdm" },
  34         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
  35 };
  36
  37 static struct clockdomain cm_clkdm = {
  38         .name           = "cm_clkdm",
  39         .pwrdm          = { .name = "core_pwrdm" },
  40         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
  41 };
  42
  43 /*
  44  * 2420-only clockdomains
  45  */
  46
  47 #if defined(CONFIG_ARCH_OMAP2420)
  48
  49 static struct clockdomain mpu_2420_clkdm = {
  50         .name           = "mpu_clkdm",
  51         .pwrdm          = { .name = "mpu_pwrdm" },
  52         .flags          = CLKDM_CAN_HWSUP,
  53         .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
  54         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
  55 };
  56
  57 static struct clockdomain iva1_2420_clkdm = {
  58         .name           = "iva1_clkdm",
  59         .pwrdm          = { .name = "dsp_pwrdm" },
  60         .flags          = CLKDM_CAN_HWSUP_SWSUP,
  61         .clktrctrl_mask = OMAP2420_AUTOSTATE_IVA_MASK,
  62         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
  63 };
  64
  65 #endif  /* CONFIG_ARCH_OMAP2420 */
  66
  67
  68 /*
  69  * 2430-only clockdomains
  70  */
  71
  72 #if defined(CONFIG_ARCH_OMAP2430)
  73
  74 static struct clockdomain mpu_2430_clkdm = {
  75         .name           = "mpu_clkdm",
  76         .pwrdm          = { .name = "mpu_pwrdm" },
  77         .flags          = CLKDM_CAN_HWSUP_SWSUP,
  78         .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
  79         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
  80 };
  81
  82 static struct clockdomain mdm_clkdm = {
  83         .name           = "mdm_clkdm",
  84         .pwrdm          = { .name = "mdm_pwrdm" },
  85         .flags          = CLKDM_CAN_HWSUP_SWSUP,
  86         .clktrctrl_mask = OMAP2430_AUTOSTATE_MDM_MASK,
  87         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
  88 };
  89
  90 #endif    /* CONFIG_ARCH_OMAP2430 */
  91
  92
  93 /*
  94  * 24XX-only clockdomains
  95  */
  96
  97 #if defined(CONFIG_ARCH_OMAP24XX)
  98
  99 static struct clockdomain dsp_clkdm = {
 100         .name           = "dsp_clkdm",
 101         .pwrdm          = { .name = "dsp_pwrdm" },
 102         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 103         .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSP_MASK,
 104         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
 105 };
 106
 107 static struct clockdomain gfx_24xx_clkdm = {
 108         .name           = "gfx_clkdm",
 109         .pwrdm          = { .name = "gfx_pwrdm" },
 110         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 111         .clktrctrl_mask = OMAP24XX_AUTOSTATE_GFX_MASK,
 112         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
 113 };
 114
 115 static struct clockdomain core_l3_24xx_clkdm = {
 116         .name           = "core_l3_clkdm",
 117         .pwrdm          = { .name = "core_pwrdm" },
 118         .flags          = CLKDM_CAN_HWSUP,
 119         .clktrctrl_mask = OMAP24XX_AUTOSTATE_L3_MASK,
 120         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
 121 };
 122
 123 static struct clockdomain core_l4_24xx_clkdm = {
 124         .name           = "core_l4_clkdm",
 125         .pwrdm          = { .name = "core_pwrdm" },
 126         .flags          = CLKDM_CAN_HWSUP,
 127         .clktrctrl_mask = OMAP24XX_AUTOSTATE_L4_MASK,
 128         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
 129 };
 130
 131 static struct clockdomain dss_24xx_clkdm = {
 132         .name           = "dss_clkdm",
 133         .pwrdm          = { .name = "core_pwrdm" },
 134         .flags          = CLKDM_CAN_HWSUP,
 135         .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSS_MASK,
 136         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
 137 };
 138
 139 #endif   /* CONFIG_ARCH_OMAP24XX */
 140
 141
 142 /*
 143  * 34xx clockdomains
 144  */
 145
 146 #if defined(CONFIG_ARCH_OMAP34XX)
 147
 148 static struct clockdomain mpu_34xx_clkdm = {
 149         .name           = "mpu_clkdm",
 150         .pwrdm          = { .name = "mpu_pwrdm" },
 151         .flags          = CLKDM_CAN_HWSUP | CLKDM_CAN_FORCE_WAKEUP,
 152         .clktrctrl_mask = OMAP3430_CLKTRCTRL_MPU_MASK,
 153         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 154 };
 155
 156 static struct clockdomain neon_clkdm = {
 157         .name           = "neon_clkdm",
 158         .pwrdm          = { .name = "neon_pwrdm" },
 159         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 160         .clktrctrl_mask = OMAP3430_CLKTRCTRL_NEON_MASK,
 161         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 162 };
 163
 164 static struct clockdomain iva2_clkdm = {
 165         .name           = "iva2_clkdm",
 166         .pwrdm          = { .name = "iva2_pwrdm" },
 167         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 168         .clktrctrl_mask = OMAP3430_CLKTRCTRL_IVA2_MASK,
 169         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 170 };
 171
 172 static struct clockdomain gfx_3430es1_clkdm = {
 173         .name           = "gfx_clkdm",
 174         .pwrdm          = { .name = "gfx_pwrdm" },
 175         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 176         .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_GFX_MASK,
 177         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1),
 178 };
 179
 180 static struct clockdomain sgx_clkdm = {
 181         .name           = "sgx_clkdm",
 182         .pwrdm          = { .name = "sgx_pwrdm" },
 183         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 184         .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_SGX_MASK,
 185         .omap_chip      = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
 186 };
 187
 188 /*
 189  * The die-to-die clockdomain was documented in the 34xx ES1 TRM, but
 190  * then that information was removed from the 34xx ES2+ TRM.  It is
 191  * unclear whether the core is still there, but the clockdomain logic
 192  * is there, and must be programmed to an appropriate state if the
 193  * CORE clockdomain is to become inactive.
 194  */
 195 static struct clockdomain d2d_clkdm = {
 196         .name           = "d2d_clkdm",
 197         .pwrdm          = { .name = "core_pwrdm" },
 198         .flags          = CLKDM_CAN_HWSUP,
 199         .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_D2D_MASK,
 200         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 201 };
 202
 203 static struct clockdomain core_l3_34xx_clkdm = {
 204         .name           = "core_l3_clkdm",
 205         .pwrdm          = { .name = "core_pwrdm" },
 206         .flags          = CLKDM_CAN_HWSUP,
 207         .clktrctrl_mask = OMAP3430_CLKTRCTRL_L3_MASK,
 208         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 209 };
 210
 211 static struct clockdomain core_l4_34xx_clkdm = {
 212         .name           = "core_l4_clkdm",
 213         .pwrdm          = { .name = "core_pwrdm" },
 214         .flags          = CLKDM_CAN_HWSUP,
 215         .clktrctrl_mask = OMAP3430_CLKTRCTRL_L4_MASK,
 216         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 217 };
 218
 219 static struct clockdomain dss_34xx_clkdm = {
 220         .name           = "dss_clkdm",
 221         .pwrdm          = { .name = "dss_pwrdm" },
 222         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 223         .clktrctrl_mask = OMAP3430_CLKTRCTRL_DSS_MASK,
 224         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 225 };
 226
 227 static struct clockdomain cam_clkdm = {
 228         .name           = "cam_clkdm",
 229         .pwrdm          = { .name = "cam_pwrdm" },
 230         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 231         .clktrctrl_mask = OMAP3430_CLKTRCTRL_CAM_MASK,
 232         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 233 };
 234
 235 static struct clockdomain usbhost_clkdm = {
 236         .name           = "usbhost_clkdm",
 237         .pwrdm          = { .name = "usbhost_pwrdm" },
 238         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 239         .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_USBHOST_MASK,
 240         .omap_chip      = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
 241 };
 242
 243 static struct clockdomain per_clkdm = {
 244         .name           = "per_clkdm",
 245         .pwrdm          = { .name = "per_pwrdm" },
 246         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 247         .clktrctrl_mask = OMAP3430_CLKTRCTRL_PER_MASK,
 248         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 249 };
 250
 251 /*
 252  * Disable hw supervised mode for emu_clkdm, because emu_pwrdm is
 253  * switched of even if sdti is in use
 254  */
 255 static struct clockdomain emu_clkdm = {
 256         .name           = "emu_clkdm",
 257         .pwrdm          = { .name = "emu_pwrdm" },
 258         .flags          = /* CLKDM_CAN_ENABLE_AUTO |  */CLKDM_CAN_SWSUP,
 259         .clktrctrl_mask = OMAP3430_CLKTRCTRL_EMU_MASK,
 260         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 261 };
 262
 263 static struct clockdomain dpll1_clkdm = {
 264         .name           = "dpll1_clkdm",
 265         .pwrdm          = { .name = "dpll1_pwrdm" },
 266         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 267 };
 268
 269 static struct clockdomain dpll2_clkdm = {
 270         .name           = "dpll2_clkdm",
 271         .pwrdm          = { .name = "dpll2_pwrdm" },
 272         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 273 };
 274
 275 static struct clockdomain dpll3_clkdm = {
 276         .name           = "dpll3_clkdm",
 277         .pwrdm          = { .name = "dpll3_pwrdm" },
 278         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 279 };
 280
 281 static struct clockdomain dpll4_clkdm = {
 282         .name           = "dpll4_clkdm",
 283         .pwrdm          = { .name = "dpll4_pwrdm" },
 284         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 285 };
 286
 287 static struct clockdomain dpll5_clkdm = {
 288         .name           = "dpll5_clkdm",
 289         .pwrdm          = { .name = "dpll5_pwrdm" },
 290         .omap_chip      = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
 291 };
 292
 293 #endif   /* CONFIG_ARCH_OMAP34XX */
 294
 295 /*
 296  * Clockdomain-powerdomain hwsup dependencies (34XX only)
 297  */
 298
 299 static struct clkdm_pwrdm_autodep clkdm_pwrdm_autodeps[] = {
 300         {
 301                 .pwrdm     = { .name = "mpu_pwrdm" },
 302                 .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
 303         },
 304         {
 305                 .pwrdm     = { .name = "iva2_pwrdm" },
 306                 .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
 307         },
 308         {
 309                 .pwrdm     = { .name = NULL },
 310         }
 311 };
 312
 313 /*
 314  *
 315  */
 316
 317 static struct clockdomain *clockdomains_omap[] = {
 318
 319         &wkup_clkdm,
 320         &cm_clkdm,
 321         &prm_clkdm,
 322
 323 #ifdef CONFIG_ARCH_OMAP2420
 324         &mpu_2420_clkdm,
 325         &iva1_2420_clkdm,
 326 #endif
 327
 328 #ifdef CONFIG_ARCH_OMAP2430
 329         &mpu_2430_clkdm,
 330         &mdm_clkdm,
 331 #endif
 332
 333 #ifdef CONFIG_ARCH_OMAP24XX
 334         &dsp_clkdm,
 335         &gfx_24xx_clkdm,
 336         &core_l3_24xx_clkdm,
 337         &core_l4_24xx_clkdm,
 338         &dss_24xx_clkdm,
 339 #endif
 340
 341 #ifdef CONFIG_ARCH_OMAP34XX
 342         &mpu_34xx_clkdm,
 343         &neon_clkdm,
 344         &iva2_clkdm,
 345         &gfx_3430es1_clkdm,
 346         &sgx_clkdm,
 347         &d2d_clkdm,
 348         &core_l3_34xx_clkdm,
 349         &core_l4_34xx_clkdm,
 350         &dss_34xx_clkdm,
 351         &cam_clkdm,
 352         &usbhost_clkdm,
 353         &per_clkdm,
 354         &emu_clkdm,
 355         &dpll1_clkdm,
 356         &dpll2_clkdm,
 357         &dpll3_clkdm,
 358         &dpll4_clkdm,
 359         &dpll5_clkdm,
 360 #endif
 361
 362         NULL,
 363 };
 364
 365 #endif