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 S3C_GPIO_CFG_S3C64XX
 121         bool
 122         help
 123           Internal configuration to enable S3C64XX style GPIO configuration
 124           functions.
 125
 126 config S5P_GPIO_DRVSTR
 127         bool
 128         help
 129           Internal configuration to get and set correct GPIO driver strength
 130           helper
 131
 132 config SAMSUNG_GPIO_EXTRA
 133         int "Number of additional GPIO pins"
 134         default 128 if SAMSUNG_GPIO_EXTRA128
 135         default 64 if SAMSUNG_GPIO_EXTRA64
 136         default 0
 137         help
 138           Use additional GPIO space in addition to the GPIO's the SOC
 139           provides. This allows expanding the GPIO space for use with
 140           GPIO expanders.
 141
 142 config SAMSUNG_GPIO_EXTRA64
 143         bool
 144
 145 config SAMSUNG_GPIO_EXTRA128
 146         bool
 147
 148 config S3C_GPIO_SPACE
 149         int "Space between gpio banks"
 150         default 0
 151         help
 152           Add a number of spare GPIO entries between each bank for debugging
 153           purposes. This allows any problems where an counter overflows from
 154           one bank to another to be caught, at the expense of using a little
 155           more memory.
 156
 157 config S3C_GPIO_TRACK
 158         bool
 159         help
 160           Internal configuration option to enable the s3c specific gpio
 161           chip tracking if the platform requires it.
 162
 163 # uart options
 164
 165 config S5P_DEV_UART
 166         def_bool y
 167         depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 168
 169 # ADC driver
 170
 171 config S3C_ADC
 172         bool "ADC common driver support"
 173         help
 174           Core support for the ADC block found in the Samsung SoC systems
 175           for drivers such as the touchscreen and hwmon to use to share
 176           this resource.
 177
 178 # device definitions to compile in
 179
 180 config S3C_DEV_HSMMC
 181         bool
 182         help
 183           Compile in platform device definitions for HSMMC code
 184
 185 config S3C_DEV_HSMMC1
 186         bool
 187         help
 188           Compile in platform device definitions for HSMMC channel 1
 189
 190 config S3C_DEV_HSMMC2
 191         bool
 192         help
 193           Compile in platform device definitions for HSMMC channel 2
 194
 195 config S3C_DEV_HSMMC3
 196         bool
 197         help
 198           Compile in platform device definitions for HSMMC channel 3
 199
 200 config S3C_DEV_HWMON
 201         bool
 202         help
 203             Compile in platform device definitions for HWMON
 204
 205 config S3C_DEV_I2C1
 206         bool
 207         help
 208           Compile in platform device definitions for I2C channel 1
 209
 210 config S3C_DEV_I2C2
 211         bool
 212         help
 213           Compile in platform device definitions for I2C channel 2
 214
 215 config S3C_DEV_I2C3
 216         bool
 217         help
 218           Compile in platform device definition for I2C controller 3
 219
 220 config S3C_DEV_I2C4
 221         bool
 222         help
 223           Compile in platform device definition for I2C controller 4
 224
 225 config S3C_DEV_I2C5
 226         bool
 227         help
 228           Compile in platform device definition for I2C controller 5
 229
 230 config S3C_DEV_I2C6
 231         bool
 232         help
 233           Compile in platform device definition for I2C controller 6
 234
 235 config S3C_DEV_I2C7
 236         bool
 237         help
 238           Compile in platform device definition for I2C controller 7
 239
 240 config S3C_DEV_FB
 241         bool
 242         help
 243           Compile in platform device definition for framebuffer
 244
 245 config S3C_DEV_USB_HOST
 246         bool
 247         help
 248           Compile in platform device definition for USB host.
 249
 250 config S3C_DEV_USB_HSOTG
 251         bool
 252         help
 253           Compile in platform device definition for USB high-speed OtG
 254
 255 config S3C_DEV_WDT
 256         bool
 257         default y if ARCH_S3C24XX
 258         help
 259           Complie in platform device definition for Watchdog Timer
 260
 261 config S3C_DEV_NAND
 262         bool
 263         help
 264           Compile in platform device definition for NAND controller
 265
 266 config S3C_DEV_ONENAND
 267         bool
 268         help
 269           Compile in platform device definition for OneNAND controller
 270
 271 config S3C_DEV_RTC
 272         bool
 273         help
 274           Complie in platform device definition for RTC
 275
 276 config SAMSUNG_DEV_ADC
 277         bool
 278         help
 279           Compile in platform device definition for ADC controller
 280
 281 config SAMSUNG_DEV_IDE
 282         bool
 283         help
 284           Compile in platform device definitions for IDE
 285
 286 config S3C64XX_DEV_SPI0
 287         bool
 288         help
 289           Compile in platform device definitions for S3C64XX's type
 290           SPI controller 0
 291
 292 config S3C64XX_DEV_SPI1
 293         bool
 294         help
 295           Compile in platform device definitions for S3C64XX's type
 296           SPI controller 1
 297
 298 config S3C64XX_DEV_SPI2
 299         bool
 300         help
 301           Compile in platform device definitions for S3C64XX's type
 302           SPI controller 2
 303
 304 config SAMSUNG_DEV_TS
 305         bool
 306         help
 307             Common in platform device definitions for touchscreen device
 308
 309 config SAMSUNG_DEV_KEYPAD
 310         bool
 311         help
 312           Compile in platform device definitions for keypad
 313
 314 config SAMSUNG_DEV_PWM
 315         bool
 316         default y if ARCH_S3C24XX
 317         help
 318           Compile in platform device definition for PWM Timer
 319
 320 config SAMSUNG_DEV_BACKLIGHT
 321         bool
 322         depends on SAMSUNG_DEV_PWM
 323         help
 324           Compile in platform device definition LCD backlight with PWM Timer
 325
 326 config S5P_DEV_CSIS0
 327         bool
 328         help
 329           Compile in platform device definitions for MIPI-CSIS channel 0
 330
 331 config S5P_DEV_CSIS1
 332         bool
 333         help
 334           Compile in platform device definitions for MIPI-CSIS channel 1
 335
 336 config S5P_DEV_FIMC0
 337         bool
 338         help
 339           Compile in platform device definitions for FIMC controller 0
 340
 341 config S5P_DEV_FIMC1
 342         bool
 343         help
 344           Compile in platform device definitions for FIMC controller 1
 345
 346 config S5P_DEV_FIMC2
 347         bool
 348         help
 349           Compile in platform device definitions for FIMC controller 2
 350
 351 config S5P_DEV_FIMC3
 352         bool
 353         help
 354           Compile in platform device definitions for FIMC controller 3
 355
 356 config S5P_DEV_FIMD0
 357         bool
 358         help
 359           Compile in platform device definitions for FIMD controller 0
 360
 361 config S5P_DEV_G2D
 362         bool
 363         help
 364           Compile in platform device definitions for G2D device
 365
 366 config S5P_DEV_I2C_HDMIPHY
 367         bool
 368         help
 369           Compile in platform device definitions for I2C HDMIPHY controller
 370
 371 config S5P_DEV_JPEG
 372         bool
 373         help
 374           Compile in platform device definitions for JPEG codec
 375
 376 config S5P_DEV_MFC
 377         bool
 378         help
 379           Compile in setup memory (init) code for MFC
 380
 381 config S5P_DEV_ONENAND
 382         bool
 383         help
 384           Compile in platform device definition for OneNAND controller
 385
 386 config S5P_DEV_TV
 387         bool
 388         help
 389           Compile in platform device definition for TV interface
 390
 391 config S5P_DEV_USB_EHCI
 392         bool
 393         help
 394           Compile in platform device definition for USB EHCI
 395
 396 config S3C24XX_PWM
 397         bool "PWM device support"
 398         select PWM
 399         select PWM_SAMSUNG
 400         help
 401           Support for exporting the PWM timer blocks via the pwm device
 402           system
 403
 404 config S5P_SETUP_MIPIPHY
 405         bool
 406         help
 407           Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices
 408
 409 config S3C_SETUP_CAMIF
 410         bool
 411         help
 412           Compile in common setup code for S3C CAMIF devices
 413
 414 # DMA
 415
 416 config S3C_DMA
 417         bool
 418         help
 419           Internal configuration for S3C DMA core
 420
 421 config SAMSUNG_DMADEV
 422         bool
 423         select ARM_AMBA
 424         select DMADEVICES
 425         select PL330_DMA if (ARCH_EXYNOS5 || ARCH_EXYNOS4 || CPU_S5PV210 || CPU_S5PC100 || \
 426                                         CPU_S5P6450 || CPU_S5P6440)
 427         help
 428           Use DMA device engine for PL330 DMAC.
 429
 430 comment "Power management"
 431
 432 config SAMSUNG_PM_DEBUG
 433         bool "S3C2410 PM Suspend debug"
 434         depends on PM
 435         select DEBUG_LL
 436         help
 437           Say Y here if you want verbose debugging from the PM Suspend and
 438           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 439           for more information.
 440
 441 config S3C_PM_DEBUG_LED_SMDK
 442        bool "SMDK LED suspend/resume debugging"
 443        depends on PM && (MACH_SMDK6410)
 444        help
 445          Say Y here to enable the use of the SMDK LEDs on the baseboard
 446          for debugging of the state of the suspend and resume process.
 447
 448          Note, this currently only works for S3C64XX based SMDK boards.
 449
 450 config SAMSUNG_PM_CHECK
 451         bool "S3C2410 PM Suspend Memory CRC"
 452         depends on PM && CRC32
 453         help
 454           Enable the PM code's memory area checksum over sleep. This option
 455           will generate CRCs of all blocks of memory, and store them before
 456           going to sleep. The blocks are then checked on resume for any
 457           errors.
 458
 459           Note, this can take several seconds depending on memory size
 460           and CPU speed.
 461
 462           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 463
 464 config SAMSUNG_PM_CHECK_CHUNKSIZE
 465         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 466         depends on PM && SAMSUNG_PM_CHECK
 467         default 64
 468         help
 469           Set the chunksize in Kilobytes of the CRC for checking memory
 470           corruption over suspend and resume. A smaller value will mean that
 471           the CRC data block will take more memory, but wil identify any
 472           faults with better precision.
 473
 474           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 475
 476 config SAMSUNG_WAKEMASK
 477         bool
 478         depends on PM
 479         help
 480           Compile support for wakeup-mask controls found on the S3C6400
 481           and above. This code allows a set of interrupt to wakeup-mask
 482           mappings. See <plat/wakeup-mask.h>
 483
 484 config S5P_PM
 485         bool
 486         help
 487           Common code for power management support on S5P and newer SoCs
 488           Note: Do not select this for S5P6440 and S5P6450.
 489
 490 config S5P_SLEEP
 491         bool
 492         help
 493           Internal config node to apply common S5P sleep management code.
 494           Can be selected by S5P and newer SoCs with similar sleep procedure.
 495
 496 config DEBUG_S3C_UART
 497         depends on PLAT_SAMSUNG
 498         int
 499         default "0" if DEBUG_S3C_UART0
 500         default "1" if DEBUG_S3C_UART1
 501         default "2" if DEBUG_S3C_UART2
 502         default "3" if DEBUG_S3C_UART3
 503
 504 endif