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 if !COMMON_CLK
  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_WATCHDOG
  41         bool "S3C Initialisation watchdog"
  42         depends on S3C2410_WATCHDOG
  43         help
  44           Say y to enable the watchdog during the kernel decompression
  45           stage. If the kernel fails to uncompress, then the watchdog
  46           will trigger a reset and the system should restart.
  47
  48 config S3C_BOOT_ERROR_RESET
  49         bool "S3C Reboot on decompression error"
  50         help
  51           Say y here to use the watchdog to reset the system if the
  52           kernel decompressor detects an error during decompression.
  53
  54 config S3C_BOOT_UART_FORCE_FIFO
  55        bool "Force UART FIFO on during boot process"
  56        default y
  57        help
  58          Say Y here to force the UART FIFOs on during the kernel
  59          uncompressor
  60
  61
  62 config S3C_LOWLEVEL_UART_PORT
  63         int "S3C UART to use for low-level messages"
  64         default 0
  65         help
  66           Choice of which UART port to use for the low-level messages,
  67           such as the `Uncompressing...` at start time. The value of
  68           this configuration should be between zero and two. The port
  69           must have been initialised by the boot-loader before use.
  70
  71 # timer options
  72
  73 config SAMSUNG_HRT
  74         bool
  75         select SAMSUNG_DEV_PWM
  76         help
  77           Use the High Resolution timer support
  78
  79 # clock options
  80
  81 config SAMSUNG_CLOCK
  82         bool
  83         default y if !COMMON_CLK
  84
  85 config SAMSUNG_CLKSRC
  86         bool
  87         help
  88           Select the clock code for the clksrc implementation
  89           used by newer systems such as the S3C64XX.
  90
  91 config S5P_CLOCK
  92         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
  93         help
  94           Support common clock part for ARCH_S5P and ARCH_EXYNOS SoCs
  95
  96 # options for IRQ support
  97
  98 config SAMSUNG_IRQ_VIC_TIMER
  99        bool
 100        help
 101          Internal configuration to build the VIC timer interrupt code.
 102
 103 config S5P_IRQ
 104         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
 105         help
 106           Support common interrup part for ARCH_S5P and ARCH_EXYNOS SoCs
 107
 108 config S5P_EXT_INT
 109         bool
 110         help
 111           Use the external interrupts (other than GPIO interrupts.)
 112           Note: Do not choose this for S5P6440 and S5P6450.
 113
 114 config S5P_GPIO_INT
 115         bool
 116         help
 117           Common code for the GPIO interrupts (other than external interrupts.)
 118
 119 # options for gpio configuration support
 120
 121 config SAMSUNG_GPIOLIB_4BIT
 122         bool
 123         help
 124           GPIOlib file contains the 4 bit modification functions for gpio
 125           configuration. GPIOlib shall be compiled only for S3C64XX and S5P
 126           series of processors.
 127
 128 config S3C_GPIO_CFG_S3C64XX
 129         bool
 130         help
 131           Internal configuration to enable S3C64XX style GPIO configuration
 132           functions.
 133
 134 config S5P_GPIO_DRVSTR
 135         bool
 136         help
 137           Internal configuration to get and set correct GPIO driver strength
 138           helper
 139
 140 config SAMSUNG_GPIO_EXTRA
 141         int "Number of additional GPIO pins"
 142         default 128 if SAMSUNG_GPIO_EXTRA128
 143         default 64 if SAMSUNG_GPIO_EXTRA64
 144         default 0
 145         help
 146           Use additional GPIO space in addition to the GPIO's the SOC
 147           provides. This allows expanding the GPIO space for use with
 148           GPIO expanders.
 149
 150 config SAMSUNG_GPIO_EXTRA64
 151         bool
 152
 153 config SAMSUNG_GPIO_EXTRA128
 154         bool
 155
 156 config S3C_GPIO_SPACE
 157         int "Space between gpio banks"
 158         default 0
 159         help
 160           Add a number of spare GPIO entries between each bank for debugging
 161           purposes. This allows any problems where an counter overflows from
 162           one bank to another to be caught, at the expense of using a little
 163           more memory.
 164
 165 config S3C_GPIO_TRACK
 166         bool
 167         help
 168           Internal configuration option to enable the s3c specific gpio
 169           chip tracking if the platform requires it.
 170
 171 # uart options
 172
 173 config S5P_DEV_UART
 174         def_bool y
 175         depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 176
 177 # ADC driver
 178
 179 config S3C_ADC
 180         bool "ADC common driver support"
 181         help
 182           Core support for the ADC block found in the Samsung SoC systems
 183           for drivers such as the touchscreen and hwmon to use to share
 184           this resource.
 185
 186 # device definitions to compile in
 187
 188 config S3C_DEV_HSMMC
 189         bool
 190         help
 191           Compile in platform device definitions for HSMMC code
 192
 193 config S3C_DEV_HSMMC1
 194         bool
 195         help
 196           Compile in platform device definitions for HSMMC channel 1
 197
 198 config S3C_DEV_HSMMC2
 199         bool
 200         help
 201           Compile in platform device definitions for HSMMC channel 2
 202
 203 config S3C_DEV_HSMMC3
 204         bool
 205         help
 206           Compile in platform device definitions for HSMMC channel 3
 207
 208 config S3C_DEV_HWMON
 209         bool
 210         help
 211             Compile in platform device definitions for HWMON
 212
 213 config S3C_DEV_I2C1
 214         bool
 215         help
 216           Compile in platform device definitions for I2C channel 1
 217
 218 config S3C_DEV_I2C2
 219         bool
 220         help
 221           Compile in platform device definitions for I2C channel 2
 222
 223 config S3C_DEV_I2C3
 224         bool
 225         help
 226           Compile in platform device definition for I2C controller 3
 227
 228 config S3C_DEV_I2C4
 229         bool
 230         help
 231           Compile in platform device definition for I2C controller 4
 232
 233 config S3C_DEV_I2C5
 234         bool
 235         help
 236           Compile in platform device definition for I2C controller 5
 237
 238 config S3C_DEV_I2C6
 239         bool
 240         help
 241           Compile in platform device definition for I2C controller 6
 242
 243 config S3C_DEV_I2C7
 244         bool
 245         help
 246           Compile in platform device definition for I2C controller 7
 247
 248 config S3C_DEV_FB
 249         bool
 250         help
 251           Compile in platform device definition for framebuffer
 252
 253 config S3C_DEV_USB_HOST
 254         bool
 255         help
 256           Compile in platform device definition for USB host.
 257
 258 config S3C_DEV_USB_HSOTG
 259         bool
 260         help
 261           Compile in platform device definition for USB high-speed OtG
 262
 263 config S3C_DEV_WDT
 264         bool
 265         default y if ARCH_S3C24XX
 266         help
 267           Complie in platform device definition for Watchdog Timer
 268
 269 config S3C_DEV_NAND
 270         bool
 271         help
 272           Compile in platform device definition for NAND controller
 273
 274 config S3C_DEV_ONENAND
 275         bool
 276         help
 277           Compile in platform device definition for OneNAND controller
 278
 279 config S3C_DEV_RTC
 280         bool
 281         help
 282           Complie in platform device definition for RTC
 283
 284 config SAMSUNG_DEV_ADC
 285         bool
 286         help
 287           Compile in platform device definition for ADC controller
 288
 289 config SAMSUNG_DEV_IDE
 290         bool
 291         help
 292           Compile in platform device definitions for IDE
 293
 294 config S3C64XX_DEV_SPI0
 295         bool
 296         help
 297           Compile in platform device definitions for S3C64XX's type
 298           SPI controller 0
 299
 300 config S3C64XX_DEV_SPI1
 301         bool
 302         help
 303           Compile in platform device definitions for S3C64XX's type
 304           SPI controller 1
 305
 306 config S3C64XX_DEV_SPI2
 307         bool
 308         help
 309           Compile in platform device definitions for S3C64XX's type
 310           SPI controller 2
 311
 312 config SAMSUNG_DEV_TS
 313         bool
 314         help
 315             Common in platform device definitions for touchscreen device
 316
 317 config SAMSUNG_DEV_KEYPAD
 318         bool
 319         help
 320           Compile in platform device definitions for keypad
 321
 322 config SAMSUNG_DEV_PWM
 323         bool
 324         default y if ARCH_S3C24XX
 325         help
 326           Compile in platform device definition for PWM Timer
 327
 328 config SAMSUNG_DEV_BACKLIGHT
 329         bool
 330         depends on SAMSUNG_DEV_PWM
 331         help
 332           Compile in platform device definition LCD backlight with PWM Timer
 333
 334 config S5P_DEV_CSIS0
 335         bool
 336         help
 337           Compile in platform device definitions for MIPI-CSIS channel 0
 338
 339 config S5P_DEV_CSIS1
 340         bool
 341         help
 342           Compile in platform device definitions for MIPI-CSIS channel 1
 343
 344 config S5P_DEV_FIMC0
 345         bool
 346         help
 347           Compile in platform device definitions for FIMC controller 0
 348
 349 config S5P_DEV_FIMC1
 350         bool
 351         help
 352           Compile in platform device definitions for FIMC controller 1
 353
 354 config S5P_DEV_FIMC2
 355         bool
 356         help
 357           Compile in platform device definitions for FIMC controller 2
 358
 359 config S5P_DEV_FIMC3
 360         bool
 361         help
 362           Compile in platform device definitions for FIMC controller 3
 363
 364 config S5P_DEV_FIMD0
 365         bool
 366         help
 367           Compile in platform device definitions for FIMD controller 0
 368
 369 config S5P_DEV_G2D
 370         bool
 371         help
 372           Compile in platform device definitions for G2D device
 373
 374 config S5P_DEV_I2C_HDMIPHY
 375         bool
 376         help
 377           Compile in platform device definitions for I2C HDMIPHY controller
 378
 379 config S5P_DEV_JPEG
 380         bool
 381         help
 382           Compile in platform device definitions for JPEG codec
 383
 384 config S5P_DEV_MFC
 385         bool
 386         help
 387           Compile in setup memory (init) code for MFC
 388
 389 config S5P_DEV_ONENAND
 390         bool
 391         help
 392           Compile in platform device definition for OneNAND controller
 393
 394 config S5P_DEV_TV
 395         bool
 396         help
 397           Compile in platform device definition for TV interface
 398
 399 config S5P_DEV_USB_EHCI
 400         bool
 401         help
 402           Compile in platform device definition for USB EHCI
 403
 404 config S3C24XX_PWM
 405         bool "PWM device support"
 406         select PWM
 407         select PWM_SAMSUNG
 408         help
 409           Support for exporting the PWM timer blocks via the pwm device
 410           system
 411
 412 config S5P_SETUP_MIPIPHY
 413         bool
 414         help
 415           Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices
 416
 417 config S3C_SETUP_CAMIF
 418         bool
 419         help
 420           Compile in common setup code for S3C CAMIF devices
 421
 422 # DMA
 423
 424 config S3C_DMA
 425         bool
 426         help
 427           Internal configuration for S3C DMA core
 428
 429 config SAMSUNG_DMADEV
 430         bool
 431         select ARM_AMBA
 432         select DMADEVICES
 433         select PL330_DMA if (ARCH_EXYNOS5 || ARCH_EXYNOS4 || CPU_S5PV210 || CPU_S5PC100 || \
 434                                         CPU_S5P6450 || CPU_S5P6440)
 435         help
 436           Use DMA device engine for PL330 DMAC.
 437
 438 comment "Power management"
 439
 440 config SAMSUNG_PM_DEBUG
 441         bool "S3C2410 PM Suspend debug"
 442         depends on PM
 443         select DEBUG_LL
 444         help
 445           Say Y here if you want verbose debugging from the PM Suspend and
 446           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 447           for more information.
 448
 449 config S3C_PM_DEBUG_LED_SMDK
 450        bool "SMDK LED suspend/resume debugging"
 451        depends on PM && (MACH_SMDK6410)
 452        help
 453          Say Y here to enable the use of the SMDK LEDs on the baseboard
 454          for debugging of the state of the suspend and resume process.
 455
 456          Note, this currently only works for S3C64XX based SMDK boards.
 457
 458 config SAMSUNG_PM_CHECK
 459         bool "S3C2410 PM Suspend Memory CRC"
 460         depends on PM && CRC32
 461         help
 462           Enable the PM code's memory area checksum over sleep. This option
 463           will generate CRCs of all blocks of memory, and store them before
 464           going to sleep. The blocks are then checked on resume for any
 465           errors.
 466
 467           Note, this can take several seconds depending on memory size
 468           and CPU speed.
 469
 470           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 471
 472 config SAMSUNG_PM_CHECK_CHUNKSIZE
 473         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 474         depends on PM && SAMSUNG_PM_CHECK
 475         default 64
 476         help
 477           Set the chunksize in Kilobytes of the CRC for checking memory
 478           corruption over suspend and resume. A smaller value will mean that
 479           the CRC data block will take more memory, but wil identify any
 480           faults with better precision.
 481
 482           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 483
 484 config SAMSUNG_WAKEMASK
 485         bool
 486         depends on PM
 487         help
 488           Compile support for wakeup-mask controls found on the S3C6400
 489           and above. This code allows a set of interrupt to wakeup-mask
 490           mappings. See <plat/wakeup-mask.h>
 491
 492 config S5P_PM
 493         bool
 494         help
 495           Common code for power management support on S5P and newer SoCs
 496           Note: Do not select this for S5P6440 and S5P6450.
 497
 498 config S5P_SLEEP
 499         bool
 500         help
 501           Internal config node to apply common S5P sleep management code.
 502           Can be selected by S5P and newer SoCs with similar sleep procedure.
 503
 504 config DEBUG_S3C_UART
 505         depends on PLAT_SAMSUNG
 506         int
 507         default "0" if DEBUG_S3C_UART0
 508         default "1" if DEBUG_S3C_UART1
 509         default "2" if DEBUG_S3C_UART2
 510         default "3" if DEBUG_S3C_UART3
 511
 512 endif