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 || ARCH_EXYNOS
  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)
  19         default y
  20         select ARCH_REQUIRE_GPIOLIB
  21         select ARM_VIC
  22         select NO_IOPORT
  23         select PLAT_SAMSUNG
  24         select S3C_GPIO_TRACK
  25         select S5P_GPIO_DRVSTR
  26         select SAMSUNG_CLKSRC if !COMMON_CLK
  27         select SAMSUNG_GPIOLIB_4BIT
  28         select SAMSUNG_IRQ_VIC_TIMER
  29         help
  30           Base platform code for Samsung's S5P series SoC.
  31
  32 if PLAT_SAMSUNG
  33
  34 # boot configurations
  35
  36 comment "Boot options"
  37
  38 config S3C_BOOT_ERROR_RESET
  39         bool "S3C Reboot on decompression error"
  40         help
  41           Say y here to use the watchdog to reset the system if the
  42           kernel decompressor detects an error during decompression.
  43
  44 config S3C_BOOT_UART_FORCE_FIFO
  45        bool "Force UART FIFO on during boot process"
  46        default y
  47        help
  48          Say Y here to force the UART FIFOs on during the kernel
  49          uncompressor
  50
  51
  52 config S3C_LOWLEVEL_UART_PORT
  53         int "S3C UART to use for low-level messages"
  54         default 0
  55         help
  56           Choice of which UART port to use for the low-level messages,
  57           such as the `Uncompressing...` at start time. The value of
  58           this configuration should be between zero and two. The port
  59           must have been initialised by the boot-loader before use.
  60
  61 config SAMSUNG_ATAGS
  62         def_bool n
  63         depends on !ARCH_MULTIPLATFORM
  64         depends on ATAGS
  65         help
  66            This option enables ATAGS based boot support code for
  67            Samsung platforms, including static platform devices, legacy
  68            clock, timer and interrupt initialization, etc.
  69
  70            Platforms that support only DT based boot need not to select
  71            this option.
  72
  73 if SAMSUNG_ATAGS
  74
  75 # timer options
  76
  77 config SAMSUNG_HRT
  78         bool
  79         select SAMSUNG_DEV_PWM
  80         help
  81           Use the High Resolution timer support
  82
  83 # clock options
  84
  85 config SAMSUNG_CLOCK
  86         bool
  87         default y if !COMMON_CLK
  88
  89 config SAMSUNG_CLKSRC
  90         bool
  91         help
  92           Select the clock code for the clksrc implementation
  93           used by newer systems such as the S3C64XX.
  94
  95 config S5P_CLOCK
  96         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
  97         help
  98           Support common clock part for ARCH_S5P and ARCH_EXYNOS SoCs
  99
 100 # options for IRQ support
 101
 102 config SAMSUNG_IRQ_VIC_TIMER
 103        bool
 104        help
 105          Internal configuration to build the VIC timer interrupt code.
 106
 107 config S5P_IRQ
 108         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 109         help
 110           Support common interrupt part for ARCH_S5P SoCs
 111
 112 config S5P_EXT_INT
 113         bool
 114         help
 115           Use the external interrupts (other than GPIO interrupts.)
 116           Note: Do not choose this for S5P6440 and S5P6450.
 117
 118 config S5P_GPIO_INT
 119         bool
 120         help
 121           Common code for the GPIO interrupts (other than external interrupts.)
 122
 123 # options for gpio configuration support
 124
 125 config SAMSUNG_GPIOLIB_4BIT
 126         bool
 127         help
 128           GPIOlib file contains the 4 bit modification functions for gpio
 129           configuration. GPIOlib shall be compiled only for S3C64XX and S5P
 130           series of processors.
 131
 132 config S5P_GPIO_DRVSTR
 133         bool
 134         help
 135           Internal configuration to get and set correct GPIO driver strength
 136           helper
 137
 138 config SAMSUNG_GPIO_EXTRA
 139         int "Number of additional GPIO pins"
 140         default 128 if SAMSUNG_GPIO_EXTRA128
 141         default 64 if SAMSUNG_GPIO_EXTRA64
 142         default 0
 143         help
 144           Use additional GPIO space in addition to the GPIO's the SOC
 145           provides. This allows expanding the GPIO space for use with
 146           GPIO expanders.
 147
 148 config SAMSUNG_GPIO_EXTRA64
 149         bool
 150
 151 config SAMSUNG_GPIO_EXTRA128
 152         bool
 153
 154 config S3C_GPIO_SPACE
 155         int "Space between gpio banks"
 156         default 0
 157         help
 158           Add a number of spare GPIO entries between each bank for debugging
 159           purposes. This allows any problems where an counter overflows from
 160           one bank to another to be caught, at the expense of using a little
 161           more memory.
 162
 163 config S3C_GPIO_TRACK
 164         bool
 165         help
 166           Internal configuration option to enable the s3c specific gpio
 167           chip tracking if the platform requires it.
 168
 169 # uart options
 170
 171 config S5P_DEV_UART
 172         def_bool y
 173         depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 174
 175 # ADC driver
 176
 177 config S3C_ADC
 178         bool "ADC common driver support"
 179         help
 180           Core support for the ADC block found in the Samsung SoC systems
 181           for drivers such as the touchscreen and hwmon to use to share
 182           this resource.
 183
 184 # device definitions to compile in
 185
 186 config S3C_DEV_HSMMC
 187         bool
 188         help
 189           Compile in platform device definitions for HSMMC code
 190
 191 config S3C_DEV_HSMMC1
 192         bool
 193         help
 194           Compile in platform device definitions for HSMMC channel 1
 195
 196 config S3C_DEV_HSMMC2
 197         bool
 198         help
 199           Compile in platform device definitions for HSMMC channel 2
 200
 201 config S3C_DEV_HSMMC3
 202         bool
 203         help
 204           Compile in platform device definitions for HSMMC channel 3
 205
 206 config S3C_DEV_HWMON
 207         bool
 208         help
 209             Compile in platform device definitions for HWMON
 210
 211 config S3C_DEV_I2C1
 212         bool
 213         help
 214           Compile in platform device definitions for I2C channel 1
 215
 216 config S3C_DEV_I2C2
 217         bool
 218         help
 219           Compile in platform device definitions for I2C channel 2
 220
 221 config S3C_DEV_I2C3
 222         bool
 223         help
 224           Compile in platform device definition for I2C controller 3
 225
 226 config S3C_DEV_I2C4
 227         bool
 228         help
 229           Compile in platform device definition for I2C controller 4
 230
 231 config S3C_DEV_I2C5
 232         bool
 233         help
 234           Compile in platform device definition for I2C controller 5
 235
 236 config S3C_DEV_I2C6
 237         bool
 238         help
 239           Compile in platform device definition for I2C controller 6
 240
 241 config S3C_DEV_I2C7
 242         bool
 243         help
 244           Compile in platform device definition for I2C controller 7
 245
 246 config S3C_DEV_FB
 247         bool
 248         help
 249           Compile in platform device definition for framebuffer
 250
 251 config S3C_DEV_USB_HOST
 252         bool
 253         help
 254           Compile in platform device definition for USB host.
 255
 256 config S3C_DEV_USB_HSOTG
 257         bool
 258         help
 259           Compile in platform device definition for USB high-speed OtG
 260
 261 config S3C_DEV_WDT
 262         bool
 263         default y if ARCH_S3C24XX
 264         help
 265           Complie in platform device definition for Watchdog Timer
 266
 267 config S3C_DEV_NAND
 268         bool
 269         help
 270           Compile in platform device definition for NAND controller
 271
 272 config S3C_DEV_ONENAND
 273         bool
 274         help
 275           Compile in platform device definition for OneNAND controller
 276
 277 config S3C_DEV_RTC
 278         bool
 279         help
 280           Complie in platform device definition for RTC
 281
 282 config SAMSUNG_DEV_ADC
 283         bool
 284         help
 285           Compile in platform device definition for ADC controller
 286
 287 config SAMSUNG_DEV_IDE
 288         bool
 289         help
 290           Compile in platform device definitions for IDE
 291
 292 config S3C64XX_DEV_SPI0
 293         bool
 294         help
 295           Compile in platform device definitions for S3C64XX's type
 296           SPI controller 0
 297
 298 config S3C64XX_DEV_SPI1
 299         bool
 300         help
 301           Compile in platform device definitions for S3C64XX's type
 302           SPI controller 1
 303
 304 config S3C64XX_DEV_SPI2
 305         bool
 306         help
 307           Compile in platform device definitions for S3C64XX's type
 308           SPI controller 2
 309
 310 config SAMSUNG_DEV_TS
 311         bool
 312         help
 313             Common in platform device definitions for touchscreen device
 314
 315 config SAMSUNG_DEV_KEYPAD
 316         bool
 317         help
 318           Compile in platform device definitions for keypad
 319
 320 config SAMSUNG_DEV_PWM
 321         bool
 322         default y if ARCH_S3C24XX
 323         help
 324           Compile in platform device definition for PWM Timer
 325
 326 config SAMSUNG_DEV_BACKLIGHT
 327         bool
 328         depends on SAMSUNG_DEV_PWM
 329         help
 330           Compile in platform device definition LCD backlight with PWM Timer
 331
 332 config S5P_DEV_CSIS0
 333         bool
 334         help
 335           Compile in platform device definitions for MIPI-CSIS channel 0
 336
 337 config S5P_DEV_CSIS1
 338         bool
 339         help
 340           Compile in platform device definitions for MIPI-CSIS channel 1
 341
 342 config S5P_DEV_FIMC0
 343         bool
 344         help
 345           Compile in platform device definitions for FIMC controller 0
 346
 347 config S5P_DEV_FIMC1
 348         bool
 349         help
 350           Compile in platform device definitions for FIMC controller 1
 351
 352 config S5P_DEV_FIMC2
 353         bool
 354         help
 355           Compile in platform device definitions for FIMC controller 2
 356
 357 config S5P_DEV_FIMC3
 358         bool
 359         help
 360           Compile in platform device definitions for FIMC controller 3
 361
 362 config S5P_DEV_FIMD0
 363         bool
 364         help
 365           Compile in platform device definitions for FIMD controller 0
 366
 367 config S5P_DEV_G2D
 368         bool
 369         help
 370           Compile in platform device definitions for G2D device
 371
 372 config S5P_DEV_I2C_HDMIPHY
 373         bool
 374         help
 375           Compile in platform device definitions for I2C HDMIPHY controller
 376
 377 config S5P_DEV_JPEG
 378         bool
 379         help
 380           Compile in platform device definitions for JPEG codec
 381
 382 config S5P_DEV_ONENAND
 383         bool
 384         help
 385           Compile in platform device definition for OneNAND controller
 386
 387 config S5P_DEV_TV
 388         bool
 389         help
 390           Compile in platform device definition for TV interface
 391
 392 config S5P_DEV_USB_EHCI
 393         bool
 394         help
 395           Compile in platform device definition for USB EHCI
 396
 397 config S3C24XX_PWM
 398         bool "PWM device support"
 399         select PWM
 400         select PWM_SAMSUNG
 401         help
 402           Support for exporting the PWM timer blocks via the pwm device
 403           system
 404
 405 config S5P_SETUP_MIPIPHY
 406         bool
 407         help
 408           Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices
 409
 410 config S3C_SETUP_CAMIF
 411         bool
 412         help
 413           Compile in common setup code for S3C CAMIF devices
 414
 415 # DMA
 416
 417 config S3C_DMA
 418         bool
 419         help
 420           Internal configuration for S3C DMA core
 421
 422 config S5P_IRQ_PM
 423         bool
 424         default y if S5P_PM
 425         help
 426           Legacy IRQ power management for S5P platforms
 427
 428 config SAMSUNG_PM_GPIO
 429         bool
 430         default y if GPIO_SAMSUNG && PM
 431         help
 432           Include legacy GPIO power management code for platforms not using
 433           pinctrl-samsung driver.
 434
 435 endif
 436
 437 config SAMSUNG_DMADEV
 438         bool
 439         select ARM_AMBA
 440         select DMADEVICES
 441         select PL330_DMA if (ARCH_EXYNOS5 || ARCH_EXYNOS4 || CPU_S5PV210 || CPU_S5PC100 || \
 442                                         CPU_S5P6450 || CPU_S5P6440)
 443         help
 444           Use DMA device engine for PL330 DMAC.
 445
 446 config S5P_DEV_MFC
 447         bool
 448         help
 449           Compile in setup memory (init) code for MFC
 450
 451 comment "Power management"
 452
 453 config SAMSUNG_PM_DEBUG
 454         bool "S3C2410 PM Suspend debug"
 455         depends on PM
 456         select DEBUG_LL
 457         help
 458           Say Y here if you want verbose debugging from the PM Suspend and
 459           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 460           for more information.
 461
 462 config S3C_PM_DEBUG_LED_SMDK
 463        bool "SMDK LED suspend/resume debugging"
 464        depends on PM && (MACH_SMDK6410)
 465        help
 466          Say Y here to enable the use of the SMDK LEDs on the baseboard
 467          for debugging of the state of the suspend and resume process.
 468
 469          Note, this currently only works for S3C64XX based SMDK boards.
 470
 471 config SAMSUNG_PM_CHECK
 472         bool "S3C2410 PM Suspend Memory CRC"
 473         depends on PM && CRC32
 474         help
 475           Enable the PM code's memory area checksum over sleep. This option
 476           will generate CRCs of all blocks of memory, and store them before
 477           going to sleep. The blocks are then checked on resume for any
 478           errors.
 479
 480           Note, this can take several seconds depending on memory size
 481           and CPU speed.
 482
 483           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 484
 485 config SAMSUNG_PM_CHECK_CHUNKSIZE
 486         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 487         depends on PM && SAMSUNG_PM_CHECK
 488         default 64
 489         help
 490           Set the chunksize in Kilobytes of the CRC for checking memory
 491           corruption over suspend and resume. A smaller value will mean that
 492           the CRC data block will take more memory, but wil identify any
 493           faults with better precision.
 494
 495           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 496
 497 config SAMSUNG_WAKEMASK
 498         bool
 499         depends on PM
 500         help
 501           Compile support for wakeup-mask controls found on the S3C6400
 502           and above. This code allows a set of interrupt to wakeup-mask
 503           mappings. See <plat/wakeup-mask.h>
 504
 505 config S5P_PM
 506         bool
 507         help
 508           Common code for power management support on S5P and newer SoCs
 509           Note: Do not select this for S5P6440 and S5P6450.
 510
 511 config S5P_SLEEP
 512         bool
 513         help
 514           Internal config node to apply common S5P sleep management code.
 515           Can be selected by S5P and newer SoCs with similar sleep procedure.
 516
 517 config DEBUG_S3C_UART
 518         depends on PLAT_SAMSUNG
 519         int
 520         default "0" if DEBUG_S3C_UART0
 521         default "1" if DEBUG_S3C_UART1
 522         default "2" if DEBUG_S3C_UART2
 523         default "3" if DEBUG_S3C_UART3
 524
 525 endif