arch/arm/plat-samsung/Kconfig

   1 # arch/arm/plat-samsung/Kconfig
   2 #
   3 # Copyright 2009 Simtec Electronics
   4 #
   5 # Licensed under GPLv2
   6
   7 config PLAT_SAMSUNG
   8         bool
   9         depends on PLAT_S3C24XX || ARCH_S3C64XX || PLAT_S5P
  10         default y
  11         select GENERIC_IRQ_CHIP
  12         select NO_IOPORT
  13         help
  14           Base platform code for all Samsung SoC based systems
  15
  16 config PLAT_S5P
  17         bool
  18         depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
  19         default y
  20         select ARCH_REQUIRE_GPIOLIB
  21         select ARM_GIC if ARCH_EXYNOS
  22         select ARM_VIC if !ARCH_EXYNOS
  23         select GIC_NON_BANKED if ARCH_EXYNOS4
  24         select NO_IOPORT
  25         select PLAT_SAMSUNG
  26         select S3C_GPIO_TRACK
  27         select S5P_GPIO_DRVSTR
  28         select SAMSUNG_CLKSRC
  29         select SAMSUNG_GPIOLIB_4BIT
  30         select SAMSUNG_IRQ_VIC_TIMER
  31         help
  32           Base platform code for Samsung's S5P series SoC.
  33
  34 if PLAT_SAMSUNG
  35
  36 # boot configurations
  37
  38 comment "Boot options"
  39
  40 config S3C_BOOT_ERROR_RESET
  41         bool "S3C Reboot on decompression error"
  42         help
  43           Say y here to use the watchdog to reset the system if the
  44           kernel decompressor detects an error during decompression.
  45
  46 config S3C_BOOT_UART_FORCE_FIFO
  47        bool "Force UART FIFO on during boot process"
  48        default y
  49        help
  50          Say Y here to force the UART FIFOs on during the kernel
  51          uncompressor
  52
  53
  54 config S3C_LOWLEVEL_UART_PORT
  55         int "S3C UART to use for low-level messages"
  56         default 0
  57         help
  58           Choice of which UART port to use for the low-level messages,
  59           such as the `Uncompressing...` at start time. The value of
  60           this configuration should be between zero and two. The port
  61           must have been initialised by the boot-loader before use.
  62
  63 # timer options
  64
  65 config S5P_HRT
  66         bool
  67         select SAMSUNG_DEV_PWM
  68         help
  69           Use the High Resolution timer support
  70
  71 # clock options
  72
  73 config SAMSUNG_CLOCK
  74         bool
  75         default y if !COMMON_CLK
  76
  77 config SAMSUNG_CLKSRC
  78         bool
  79         help
  80           Select the clock code for the clksrc implementation
  81           used by newer systems such as the S3C64XX.
  82
  83 config S5P_CLOCK
  84         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
  85         help
  86           Support common clock part for ARCH_S5P and ARCH_EXYNOS SoCs
  87
  88 # options for IRQ support
  89
  90 config SAMSUNG_IRQ_VIC_TIMER
  91        bool
  92        help
  93          Internal configuration to build the VIC timer interrupt code.
  94
  95 config S5P_IRQ
  96         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
  97         help
  98           Support common interrup part for ARCH_S5P and ARCH_EXYNOS SoCs
  99
 100 config S5P_EXT_INT
 101         bool
 102         help
 103           Use the external interrupts (other than GPIO interrupts.)
 104           Note: Do not choose this for S5P6440 and S5P6450.
 105
 106 config S5P_GPIO_INT
 107         bool
 108         help
 109           Common code for the GPIO interrupts (other than external interrupts.)
 110
 111 # options for gpio configuration support
 112
 113 config SAMSUNG_GPIOLIB_4BIT
 114         bool
 115         help
 116           GPIOlib file contains the 4 bit modification functions for gpio
 117           configuration. GPIOlib shall be compiled only for S3C64XX and S5P
 118           series of processors.
 119
 120 config S5P_GPIO_DRVSTR
 121         bool
 122         help
 123           Internal configuration to get and set correct GPIO driver strength
 124           helper
 125
 126 config SAMSUNG_GPIO_EXTRA
 127         int "Number of additional GPIO pins"
 128         default 128 if SAMSUNG_GPIO_EXTRA128
 129         default 64 if SAMSUNG_GPIO_EXTRA64
 130         default 0
 131         help
 132           Use additional GPIO space in addition to the GPIO's the SOC
 133           provides. This allows expanding the GPIO space for use with
 134           GPIO expanders.
 135
 136 config SAMSUNG_GPIO_EXTRA64
 137         bool
 138
 139 config SAMSUNG_GPIO_EXTRA128
 140         bool
 141
 142 config S3C_GPIO_SPACE
 143         int "Space between gpio banks"
 144         default 0
 145         help
 146           Add a number of spare GPIO entries between each bank for debugging
 147           purposes. This allows any problems where an counter overflows from
 148           one bank to another to be caught, at the expense of using a little
 149           more memory.
 150
 151 config S3C_GPIO_TRACK
 152         bool
 153         help
 154           Internal configuration option to enable the s3c specific gpio
 155           chip tracking if the platform requires it.
 156
 157 # uart options
 158
 159 config S5P_DEV_UART
 160         def_bool y
 161         depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 162
 163 # ADC driver
 164
 165 config S3C_ADC
 166         bool "ADC common driver support"
 167         help
 168           Core support for the ADC block found in the Samsung SoC systems
 169           for drivers such as the touchscreen and hwmon to use to share
 170           this resource.
 171
 172 # device definitions to compile in
 173
 174 config S3C_DEV_HSMMC
 175         bool
 176         help
 177           Compile in platform device definitions for HSMMC code
 178
 179 config S3C_DEV_HSMMC1
 180         bool
 181         help
 182           Compile in platform device definitions for HSMMC channel 1
 183
 184 config S3C_DEV_HSMMC2
 185         bool
 186         help
 187           Compile in platform device definitions for HSMMC channel 2
 188
 189 config S3C_DEV_HSMMC3
 190         bool
 191         help
 192           Compile in platform device definitions for HSMMC channel 3
 193
 194 config S3C_DEV_HWMON
 195         bool
 196         help
 197             Compile in platform device definitions for HWMON
 198
 199 config S3C_DEV_I2C1
 200         bool
 201         help
 202           Compile in platform device definitions for I2C channel 1
 203
 204 config S3C_DEV_I2C2
 205         bool
 206         help
 207           Compile in platform device definitions for I2C channel 2
 208
 209 config S3C_DEV_I2C3
 210         bool
 211         help
 212           Compile in platform device definition for I2C controller 3
 213
 214 config S3C_DEV_I2C4
 215         bool
 216         help
 217           Compile in platform device definition for I2C controller 4
 218
 219 config S3C_DEV_I2C5
 220         bool
 221         help
 222           Compile in platform device definition for I2C controller 5
 223
 224 config S3C_DEV_I2C6
 225         bool
 226         help
 227           Compile in platform device definition for I2C controller 6
 228
 229 config S3C_DEV_I2C7
 230         bool
 231         help
 232           Compile in platform device definition for I2C controller 7
 233
 234 config S3C_DEV_FB
 235         bool
 236         help
 237           Compile in platform device definition for framebuffer
 238
 239 config S3C_DEV_USB_HOST
 240         bool
 241         help
 242           Compile in platform device definition for USB host.
 243
 244 config S3C_DEV_USB_HSOTG
 245         bool
 246         help
 247           Compile in platform device definition for USB high-speed OtG
 248
 249 config S3C_DEV_WDT
 250         bool
 251         default y if ARCH_S3C24XX
 252         help
 253           Complie in platform device definition for Watchdog Timer
 254
 255 config S3C_DEV_NAND
 256         bool
 257         help
 258           Compile in platform device definition for NAND controller
 259
 260 config S3C_DEV_ONENAND
 261         bool
 262         help
 263           Compile in platform device definition for OneNAND controller
 264
 265 config S3C_DEV_RTC
 266         bool
 267         help
 268           Complie in platform device definition for RTC
 269
 270 config SAMSUNG_DEV_ADC
 271         bool
 272         help
 273           Compile in platform device definition for ADC controller
 274
 275 config SAMSUNG_DEV_IDE
 276         bool
 277         help
 278           Compile in platform device definitions for IDE
 279
 280 config S3C64XX_DEV_SPI0
 281         bool
 282         help
 283           Compile in platform device definitions for S3C64XX's type
 284           SPI controller 0
 285
 286 config S3C64XX_DEV_SPI1
 287         bool
 288         help
 289           Compile in platform device definitions for S3C64XX's type
 290           SPI controller 1
 291
 292 config S3C64XX_DEV_SPI2
 293         bool
 294         help
 295           Compile in platform device definitions for S3C64XX's type
 296           SPI controller 2
 297
 298 config SAMSUNG_DEV_TS
 299         bool
 300         help
 301             Common in platform device definitions for touchscreen device
 302
 303 config SAMSUNG_DEV_KEYPAD
 304         bool
 305         help
 306           Compile in platform device definitions for keypad
 307
 308 config SAMSUNG_DEV_PWM
 309         bool
 310         default y if ARCH_S3C24XX
 311         help
 312           Compile in platform device definition for PWM Timer
 313
 314 config SAMSUNG_DEV_BACKLIGHT
 315         bool
 316         depends on SAMSUNG_DEV_PWM
 317         help
 318           Compile in platform device definition LCD backlight with PWM Timer
 319
 320 config S5P_DEV_CSIS0
 321         bool
 322         help
 323           Compile in platform device definitions for MIPI-CSIS channel 0
 324
 325 config S5P_DEV_CSIS1
 326         bool
 327         help
 328           Compile in platform device definitions for MIPI-CSIS channel 1
 329
 330 config S5P_DEV_FIMC0
 331         bool
 332         help
 333           Compile in platform device definitions for FIMC controller 0
 334
 335 config S5P_DEV_FIMC1
 336         bool
 337         help
 338           Compile in platform device definitions for FIMC controller 1
 339
 340 config S5P_DEV_FIMC2
 341         bool
 342         help
 343           Compile in platform device definitions for FIMC controller 2
 344
 345 config S5P_DEV_FIMC3
 346         bool
 347         help
 348           Compile in platform device definitions for FIMC controller 3
 349
 350 config S5P_DEV_FIMD0
 351         bool
 352         help
 353           Compile in platform device definitions for FIMD controller 0
 354
 355 config S5P_DEV_G2D
 356         bool
 357         help
 358           Compile in platform device definitions for G2D device
 359
 360 config S5P_DEV_I2C_HDMIPHY
 361         bool
 362         help
 363           Compile in platform device definitions for I2C HDMIPHY controller
 364
 365 config S5P_DEV_JPEG
 366         bool
 367         help
 368           Compile in platform device definitions for JPEG codec
 369
 370 config S5P_DEV_MFC
 371         bool
 372         help
 373           Compile in setup memory (init) code for MFC
 374
 375 config S5P_DEV_ONENAND
 376         bool
 377         help
 378           Compile in platform device definition for OneNAND controller
 379
 380 config S5P_DEV_TV
 381         bool
 382         help
 383           Compile in platform device definition for TV interface
 384
 385 config S5P_DEV_USB_EHCI
 386         bool
 387         help
 388           Compile in platform device definition for USB EHCI
 389
 390 config S3C24XX_PWM
 391         bool "PWM device support"
 392         select PWM
 393         select PWM_SAMSUNG
 394         help
 395           Support for exporting the PWM timer blocks via the pwm device
 396           system
 397
 398 config S5P_SETUP_MIPIPHY
 399         bool
 400         help
 401           Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices
 402
 403 config S3C_SETUP_CAMIF
 404         bool
 405         help
 406           Compile in common setup code for S3C CAMIF devices
 407
 408 # DMA
 409
 410 config S3C_DMA
 411         bool
 412         help
 413           Internal configuration for S3C DMA core
 414
 415 config SAMSUNG_DMADEV
 416         bool
 417         select ARM_AMBA
 418         select DMADEVICES
 419         select PL330_DMA if (ARCH_EXYNOS5 || ARCH_EXYNOS4 || CPU_S5PV210 || CPU_S5PC100 || \
 420                                         CPU_S5P6450 || CPU_S5P6440)
 421         help
 422           Use DMA device engine for PL330 DMAC.
 423
 424 comment "Power management"
 425
 426 config SAMSUNG_PM_DEBUG
 427         bool "S3C2410 PM Suspend debug"
 428         depends on PM
 429         select DEBUG_LL
 430         help
 431           Say Y here if you want verbose debugging from the PM Suspend and
 432           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 433           for more information.
 434
 435 config S3C_PM_DEBUG_LED_SMDK
 436        bool "SMDK LED suspend/resume debugging"
 437        depends on PM && (MACH_SMDK6410)
 438        help
 439          Say Y here to enable the use of the SMDK LEDs on the baseboard
 440          for debugging of the state of the suspend and resume process.
 441
 442          Note, this currently only works for S3C64XX based SMDK boards.
 443
 444 config SAMSUNG_PM_CHECK
 445         bool "S3C2410 PM Suspend Memory CRC"
 446         depends on PM && CRC32
 447         help
 448           Enable the PM code's memory area checksum over sleep. This option
 449           will generate CRCs of all blocks of memory, and store them before
 450           going to sleep. The blocks are then checked on resume for any
 451           errors.
 452
 453           Note, this can take several seconds depending on memory size
 454           and CPU speed.
 455
 456           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 457
 458 config SAMSUNG_PM_CHECK_CHUNKSIZE
 459         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 460         depends on PM && SAMSUNG_PM_CHECK
 461         default 64
 462         help
 463           Set the chunksize in Kilobytes of the CRC for checking memory
 464           corruption over suspend and resume. A smaller value will mean that
 465           the CRC data block will take more memory, but wil identify any
 466           faults with better precision.
 467
 468           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 469
 470 config SAMSUNG_WAKEMASK
 471         bool
 472         depends on PM
 473         help
 474           Compile support for wakeup-mask controls found on the S3C6400
 475           and above. This code allows a set of interrupt to wakeup-mask
 476           mappings. See <plat/wakeup-mask.h>
 477
 478 config S5P_PM
 479         bool
 480         help
 481           Common code for power management support on S5P and newer SoCs
 482           Note: Do not select this for S5P6440 and S5P6450.
 483
 484 config S5P_SLEEP
 485         bool
 486         help
 487           Internal config node to apply common S5P sleep management code.
 488           Can be selected by S5P and newer SoCs with similar sleep procedure.
 489
 490 config DEBUG_S3C_UART
 491         depends on PLAT_SAMSUNG
 492         int
 493         default "0" if DEBUG_S3C_UART0
 494         default "1" if DEBUG_S3C_UART1
 495         default "2" if DEBUG_S3C_UART2
 496         default "3" if DEBUG_S3C_UART3
 497
 498 endif