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
  19 /* This is an implicit clockdomain - it is never defined as such in TRM */
  20 static struct clockdomain wkup_clkdm = {
  21         .name           = "wkup_clkdm",
  22         .pwrdm_name     = "wkup_pwrdm",
  23         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
  24 };
  25
  26 /*
  27  * 2420-only clockdomains
  28  */
  29
  30 #if defined(CONFIG_ARCH_OMAP2420)
  31
  32 static struct clockdomain mpu_2420_clkdm = {
  33         .name           = "mpu_clkdm",
  34         .pwrdm_name     = "mpu_pwrdm",
  35         .flags          = CLKDM_CAN_HWSUP,
  36         .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
  37         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
  38 };
  39
  40 static struct clockdomain iva1_2420_clkdm = {
  41         .name           = "iva1_clkdm",
  42         .pwrdm_name     = "dsp_pwrdm",
  43         .flags          = CLKDM_CAN_HWSUP_SWSUP,
  44         .clktrctrl_mask = OMAP2420_AUTOSTATE_IVA_MASK,
  45         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
  46 };
  47
  48 #endif  /* CONFIG_ARCH_OMAP2420 */
  49
  50
  51 /*
  52  * 2430-only clockdomains
  53  */
  54
  55 #if defined(CONFIG_ARCH_OMAP2430)
  56
  57 static struct clockdomain mpu_2430_clkdm = {
  58         .name           = "mpu_clkdm",
  59         .pwrdm_name     = "mpu_pwrdm",
  60         .flags          = CLKDM_CAN_HWSUP_SWSUP,
  61         .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
  62         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
  63 };
  64
  65 static struct clockdomain mdm_clkdm = {
  66         .name           = "mdm_clkdm",
  67         .pwrdm_name     = "mdm_pwrdm",
  68         .flags          = CLKDM_CAN_HWSUP_SWSUP,
  69         .clktrctrl_mask = OMAP2430_AUTOSTATE_MDM_MASK,
  70         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
  71 };
  72
  73 #endif    /* CONFIG_ARCH_OMAP2430 */
  74
  75
  76 /*
  77  * 24XX-only clockdomains
  78  */
  79
  80 #if defined(CONFIG_ARCH_OMAP24XX)
  81
  82 static struct clockdomain dsp_clkdm = {
  83         .name           = "dsp_clkdm",
  84         .pwrdm_name     = "dsp_pwrdm",
  85         .flags          = CLKDM_CAN_HWSUP_SWSUP,
  86         .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSP_MASK,
  87         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
  88 };
  89
  90 static struct clockdomain gfx_24xx_clkdm = {
  91         .name           = "gfx_clkdm",
  92         .pwrdm_name     = "gfx_pwrdm",
  93         .flags          = CLKDM_CAN_HWSUP_SWSUP,
  94         .clktrctrl_mask = OMAP24XX_AUTOSTATE_GFX_MASK,
  95         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
  96 };
  97
  98 static struct clockdomain core_l3_24xx_clkdm = {
  99         .name           = "core_l3_clkdm",
 100         .pwrdm_name     = "core_pwrdm",
 101         .flags          = CLKDM_CAN_HWSUP,
 102         .clktrctrl_mask = OMAP24XX_AUTOSTATE_L3_MASK,
 103         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
 104 };
 105
 106 static struct clockdomain core_l4_24xx_clkdm = {
 107         .name           = "core_l4_clkdm",
 108         .pwrdm_name     = "core_pwrdm",
 109         .flags          = CLKDM_CAN_HWSUP,
 110         .clktrctrl_mask = OMAP24XX_AUTOSTATE_L4_MASK,
 111         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
 112 };
 113
 114 static struct clockdomain dss_24xx_clkdm = {
 115         .name           = "dss_clkdm",
 116         .pwrdm_name     = "core_pwrdm",
 117         .flags          = CLKDM_CAN_HWSUP,
 118         .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSS_MASK,
 119         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
 120 };
 121
 122 #endif   /* CONFIG_ARCH_OMAP24XX */
 123
 124
 125 /*
 126  * 34xx clockdomains
 127  */
 128
 129 #if defined(CONFIG_ARCH_OMAP34XX)
 130
 131 static struct clockdomain mpu_34xx_clkdm = {
 132         .name           = "mpu_clkdm",
 133         .pwrdm_name     = "mpu_pwrdm",
 134         .flags          = CLKDM_CAN_HWSUP | CLKDM_CAN_FORCE_WAKEUP,
 135         .clktrctrl_mask = OMAP3430_CLKTRCTRL_MPU_MASK,
 136         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 137 };
 138
 139 static struct clockdomain neon_clkdm = {
 140         .name           = "neon_clkdm",
 141         .pwrdm_name     = "neon_pwrdm",
 142         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 143         .clktrctrl_mask = OMAP3430_CLKTRCTRL_NEON_MASK,
 144         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 145 };
 146
 147 static struct clockdomain iva2_clkdm = {
 148         .name           = "iva2_clkdm",
 149         .pwrdm_name     = "iva2_pwrdm",
 150         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 151         .clktrctrl_mask = OMAP3430_CLKTRCTRL_IVA2_MASK,
 152         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 153 };
 154
 155 static struct clockdomain gfx_3430es1_clkdm = {
 156         .name           = "gfx_clkdm",
 157         .pwrdm_name     = "gfx_pwrdm",
 158         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 159         .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_GFX_MASK,
 160         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1),
 161 };
 162
 163 static struct clockdomain sgx_clkdm = {
 164         .name           = "sgx_clkdm",
 165         .pwrdm_name     = "sgx_pwrdm",
 166         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 167         .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_SGX_MASK,
 168         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2),
 169 };
 170
 171 /*
 172  * The die-to-die clockdomain was documented in the 34xx ES1 TRM, but
 173  * then that information was removed from the 34xx ES2+ TRM.  It is
 174  * unclear whether the core is still there, but the clockdomain logic
 175  * is there, and must be programmed to an appropriate state if the
 176  * CORE clockdomain is to become inactive.
 177  */
 178 static struct clockdomain d2d_clkdm = {
 179         .name           = "d2d_clkdm",
 180         .pwrdm_name     = "core_pwrdm",
 181         .flags          = CLKDM_CAN_HWSUP,
 182         .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_D2D_MASK,
 183         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 184 };
 185
 186 static struct clockdomain core_l3_34xx_clkdm = {
 187         .name           = "core_l3_clkdm",
 188         .pwrdm_name     = "core_pwrdm",
 189         .flags          = CLKDM_CAN_HWSUP,
 190         .clktrctrl_mask = OMAP3430_CLKTRCTRL_L3_MASK,
 191         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 192 };
 193
 194 static struct clockdomain core_l4_34xx_clkdm = {
 195         .name           = "core_l4_clkdm",
 196         .pwrdm_name     = "core_pwrdm",
 197         .flags          = CLKDM_CAN_HWSUP,
 198         .clktrctrl_mask = OMAP3430_CLKTRCTRL_L4_MASK,
 199         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 200 };
 201
 202 static struct clockdomain dss_34xx_clkdm = {
 203         .name           = "dss_clkdm",
 204         .pwrdm_name     = "dss_pwrdm",
 205         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 206         .clktrctrl_mask = OMAP3430_CLKTRCTRL_DSS_MASK,
 207         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 208 };
 209
 210 static struct clockdomain cam_clkdm = {
 211         .name           = "cam_clkdm",
 212         .pwrdm_name     = "cam_pwrdm",
 213         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 214         .clktrctrl_mask = OMAP3430_CLKTRCTRL_CAM_MASK,
 215         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 216 };
 217
 218 static struct clockdomain usbhost_clkdm = {
 219         .name           = "usbhost_clkdm",
 220         .pwrdm_name     = "usbhost_pwrdm",
 221         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 222         .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_USBHOST_MASK,
 223         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2),
 224 };
 225
 226 static struct clockdomain per_clkdm = {
 227         .name           = "per_clkdm",
 228         .pwrdm_name     = "per_pwrdm",
 229         .flags          = CLKDM_CAN_HWSUP_SWSUP,
 230         .clktrctrl_mask = OMAP3430_CLKTRCTRL_PER_MASK,
 231         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 232 };
 233
 234 static struct clockdomain emu_clkdm = {
 235         .name           = "emu_clkdm",
 236         .pwrdm_name     = "emu_pwrdm",
 237         .flags          = CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_SWSUP,
 238         .clktrctrl_mask = OMAP3430_CLKTRCTRL_EMU_MASK,
 239         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 240 };
 241
 242 #endif   /* CONFIG_ARCH_OMAP34XX */
 243
 244 /*
 245  * Clockdomain-powerdomain hwsup dependencies (34XX only)
 246  */
 247
 248 static struct clkdm_pwrdm_autodep clkdm_pwrdm_autodeps[] = {
 249         {
 250                 .pwrdm_name = "mpu_pwrdm",
 251                 .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
 252         },
 253         {
 254                 .pwrdm_name = "iva2_pwrdm",
 255                 .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
 256         },
 257         { NULL }
 258 };
 259
 260 /*
 261  *
 262  */
 263
 264 static struct clockdomain *clockdomains_omap[] = {
 265
 266         &wkup_clkdm,
 267
 268 #ifdef CONFIG_ARCH_OMAP2420
 269         &mpu_2420_clkdm,
 270         &iva1_2420_clkdm,
 271 #endif
 272
 273 #ifdef CONFIG_ARCH_OMAP2430
 274         &mpu_2430_clkdm,
 275         &mdm_clkdm,
 276 #endif
 277
 278 #ifdef CONFIG_ARCH_OMAP24XX
 279         &dsp_clkdm,
 280         &gfx_24xx_clkdm,
 281         &core_l3_24xx_clkdm,
 282         &core_l4_24xx_clkdm,
 283         &dss_24xx_clkdm,
 284 #endif
 285
 286 #ifdef CONFIG_ARCH_OMAP34XX
 287         &mpu_34xx_clkdm,
 288         &neon_clkdm,
 289         &iva2_clkdm,
 290         &gfx_3430es1_clkdm,
 291         &sgx_clkdm,
 292         &d2d_clkdm,
 293         &core_l3_34xx_clkdm,
 294         &core_l4_34xx_clkdm,
 295         &dss_34xx_clkdm,
 296         &cam_clkdm,
 297         &usbhost_clkdm,
 298         &per_clkdm,
 299         &emu_clkdm,
 300 #endif
 301
 302         NULL,
 303 };
 304
 305 #endif