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_MAP
  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_MAP
  23         select PLAT_SAMSUNG
  24         select S3C_GPIO_TRACK
  25         select S5P_GPIO_DRVSTR
  26         select SAMSUNG_CLKSRC if !COMMON_CLK
  27         help
  28           Base platform code for Samsung's S5P series SoC.
  29
  30 config SAMSUNG_PM
  31         bool
  32         depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5P64X0 || S5P_PM)
  33         default y
  34         help
  35           Base platform power management code for samsung code
  36
  37 if PLAT_SAMSUNG
  38
  39 # boot configurations
  40
  41 comment "Boot options"
  42
  43 config S3C_BOOT_ERROR_RESET
  44         bool "S3C Reboot on decompression error"
  45         help
  46           Say y here to use the watchdog to reset the system if the
  47           kernel decompressor detects an error during decompression.
  48
  49 config S3C_BOOT_UART_FORCE_FIFO
  50        bool "Force UART FIFO on during boot process"
  51        default y
  52        help
  53          Say Y here to force the UART FIFOs on during the kernel
  54          uncompressor
  55
  56
  57 config S3C_LOWLEVEL_UART_PORT
  58         int "S3C UART to use for low-level messages"
  59         default 0
  60         help
  61           Choice of which UART port to use for the low-level messages,
  62           such as the `Uncompressing...` at start time. The value of
  63           this configuration should be between zero and two. The port
  64           must have been initialised by the boot-loader before use.
  65
  66 config SAMSUNG_ATAGS
  67         def_bool n
  68         depends on !ARCH_MULTIPLATFORM
  69         depends on ATAGS
  70         help
  71            This option enables ATAGS based boot support code for
  72            Samsung platforms, including static platform devices, legacy
  73            clock, timer and interrupt initialization, etc.
  74
  75            Platforms that support only DT based boot need not to select
  76            this option.
  77
  78 if SAMSUNG_ATAGS
  79
  80 # clock options
  81
  82 config SAMSUNG_CLOCK
  83         bool
  84         default y if !COMMON_CLK
  85
  86 config SAMSUNG_CLKSRC
  87         bool
  88         help
  89           Select the clock code for the clksrc implementation
  90           used by newer systems such as the S3C64XX.
  91
  92 config S5P_CLOCK
  93         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
  94         help
  95           Support common clock part for ARCH_S5P and ARCH_EXYNOS SoCs
  96
  97 # options for IRQ support
  98
  99 config S5P_IRQ
 100         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 101         help
 102           Support common interrupt part for ARCH_S5P SoCs
 103
 104 config S5P_EXT_INT
 105         bool
 106         help
 107           Use the external interrupts (other than GPIO interrupts.)
 108           Note: Do not choose this for S5P6440 and S5P6450.
 109
 110 config S5P_GPIO_INT
 111         bool
 112         help
 113           Common code for the GPIO interrupts (other than external interrupts.)
 114
 115 # options for gpio configuration support
 116
 117 config S5P_GPIO_DRVSTR
 118         bool
 119         help
 120           Internal configuration to get and set correct GPIO driver strength
 121           helper
 122
 123 config SAMSUNG_GPIO_EXTRA
 124         int "Number of additional GPIO pins"
 125         default 128 if SAMSUNG_GPIO_EXTRA128
 126         default 64 if SAMSUNG_GPIO_EXTRA64
 127         default 0
 128         help
 129           Use additional GPIO space in addition to the GPIO's the SOC
 130           provides. This allows expanding the GPIO space for use with
 131           GPIO expanders.
 132
 133 config SAMSUNG_GPIO_EXTRA64
 134         bool
 135
 136 config SAMSUNG_GPIO_EXTRA128
 137         bool
 138
 139 config S3C_GPIO_SPACE
 140         int "Space between gpio banks"
 141         default 0
 142         help
 143           Add a number of spare GPIO entries between each bank for debugging
 144           purposes. This allows any problems where an counter overflows from
 145           one bank to another to be caught, at the expense of using a little
 146           more memory.
 147
 148 config S3C_GPIO_TRACK
 149         bool
 150         help
 151           Internal configuration option to enable the s3c specific gpio
 152           chip tracking if the platform requires it.
 153
 154 # uart options
 155
 156 config S5P_DEV_UART
 157         def_bool y
 158         depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 159
 160 # ADC driver
 161
 162 config S3C_ADC
 163         bool "ADC common driver support"
 164         help
 165           Core support for the ADC block found in the Samsung SoC systems
 166           for drivers such as the touchscreen and hwmon to use to share
 167           this resource.
 168
 169 # device definitions to compile in
 170
 171 config S3C_DEV_HSMMC
 172         bool
 173         help
 174           Compile in platform device definitions for HSMMC code
 175
 176 config S3C_DEV_HSMMC1
 177         bool
 178         help
 179           Compile in platform device definitions for HSMMC channel 1
 180
 181 config S3C_DEV_HSMMC2
 182         bool
 183         help
 184           Compile in platform device definitions for HSMMC channel 2
 185
 186 config S3C_DEV_HSMMC3
 187         bool
 188         help
 189           Compile in platform device definitions for HSMMC channel 3
 190
 191 config S3C_DEV_HWMON
 192         bool
 193         help
 194             Compile in platform device definitions for HWMON
 195
 196 config S3C_DEV_I2C1
 197         bool
 198         help
 199           Compile in platform device definitions for I2C channel 1
 200
 201 config S3C_DEV_I2C2
 202         bool
 203         help
 204           Compile in platform device definitions for I2C channel 2
 205
 206 config S3C_DEV_I2C3
 207         bool
 208         help
 209           Compile in platform device definition for I2C controller 3
 210
 211 config S3C_DEV_I2C4
 212         bool
 213         help
 214           Compile in platform device definition for I2C controller 4
 215
 216 config S3C_DEV_I2C5
 217         bool
 218         help
 219           Compile in platform device definition for I2C controller 5
 220
 221 config S3C_DEV_I2C6
 222         bool
 223         help
 224           Compile in platform device definition for I2C controller 6
 225
 226 config S3C_DEV_I2C7
 227         bool
 228         help
 229           Compile in platform device definition for I2C controller 7
 230
 231 config S3C_DEV_FB
 232         bool
 233         help
 234           Compile in platform device definition for framebuffer
 235
 236 config S3C_DEV_USB_HOST
 237         bool
 238         help
 239           Compile in platform device definition for USB host.
 240
 241 config S3C_DEV_USB_HSOTG
 242         bool
 243         help
 244           Compile in platform device definition for USB high-speed OtG
 245
 246 config S3C_DEV_WDT
 247         bool
 248         default y if ARCH_S3C24XX
 249         help
 250           Complie in platform device definition for Watchdog Timer
 251
 252 config S3C_DEV_NAND
 253         bool
 254         help
 255           Compile in platform device definition for NAND controller
 256
 257 config S3C_DEV_ONENAND
 258         bool
 259         help
 260           Compile in platform device definition for OneNAND controller
 261
 262 config S3C_DEV_RTC
 263         bool
 264         help
 265           Complie in platform device definition for RTC
 266
 267 config SAMSUNG_DEV_ADC
 268         bool
 269         help
 270           Compile in platform device definition for ADC controller
 271
 272 config SAMSUNG_DEV_IDE
 273         bool
 274         help
 275           Compile in platform device definitions for IDE
 276
 277 config S3C64XX_DEV_SPI0
 278         bool
 279         help
 280           Compile in platform device definitions for S3C64XX's type
 281           SPI controller 0
 282
 283 config S3C64XX_DEV_SPI1
 284         bool
 285         help
 286           Compile in platform device definitions for S3C64XX's type
 287           SPI controller 1
 288
 289 config S3C64XX_DEV_SPI2
 290         bool
 291         help
 292           Compile in platform device definitions for S3C64XX's type
 293           SPI controller 2
 294
 295 config SAMSUNG_DEV_TS
 296         bool
 297         help
 298             Common in platform device definitions for touchscreen device
 299
 300 config SAMSUNG_DEV_KEYPAD
 301         bool
 302         help
 303           Compile in platform device definitions for keypad
 304
 305 config SAMSUNG_DEV_PWM
 306         bool
 307         default y if ARCH_S3C24XX
 308         help
 309           Compile in platform device definition for PWM Timer
 310
 311 config SAMSUNG_DEV_BACKLIGHT
 312         bool
 313         depends on SAMSUNG_DEV_PWM
 314         help
 315           Compile in platform device definition LCD backlight with PWM Timer
 316
 317 config S5P_DEV_CSIS0
 318         bool
 319         help
 320           Compile in platform device definitions for MIPI-CSIS channel 0
 321
 322 config S5P_DEV_CSIS1
 323         bool
 324         help
 325           Compile in platform device definitions for MIPI-CSIS channel 1
 326
 327 config S5P_DEV_FIMC0
 328         bool
 329         help
 330           Compile in platform device definitions for FIMC controller 0
 331
 332 config S5P_DEV_FIMC1
 333         bool
 334         help
 335           Compile in platform device definitions for FIMC controller 1
 336
 337 config S5P_DEV_FIMC2
 338         bool
 339         help
 340           Compile in platform device definitions for FIMC controller 2
 341
 342 config S5P_DEV_FIMC3
 343         bool
 344         help
 345           Compile in platform device definitions for FIMC controller 3
 346
 347 config S5P_DEV_FIMD0
 348         bool
 349         help
 350           Compile in platform device definitions for FIMD controller 0
 351
 352 config S5P_DEV_G2D
 353         bool
 354         help
 355           Compile in platform device definitions for G2D device
 356
 357 config S5P_DEV_I2C_HDMIPHY
 358         bool
 359         help
 360           Compile in platform device definitions for I2C HDMIPHY controller
 361
 362 config S5P_DEV_JPEG
 363         bool
 364         help
 365           Compile in platform device definitions for JPEG codec
 366
 367 config S5P_DEV_ONENAND
 368         bool
 369         help
 370           Compile in platform device definition for OneNAND controller
 371
 372 config S5P_DEV_TV
 373         bool
 374         help
 375           Compile in platform device definition for TV interface
 376
 377 config S3C24XX_PWM
 378         bool "PWM device support"
 379         select PWM
 380         select PWM_SAMSUNG
 381         help
 382           Support for exporting the PWM timer blocks via the pwm device
 383           system
 384
 385 config S3C_SETUP_CAMIF
 386         bool
 387         help
 388           Compile in common setup code for S3C CAMIF devices
 389
 390 # DMA
 391
 392 config S3C_DMA
 393         bool
 394         help
 395           Internal configuration for S3C DMA core
 396
 397 config S5P_IRQ_PM
 398         bool
 399         default y if S5P_PM
 400         help
 401           Legacy IRQ power management for S5P platforms
 402
 403 config SAMSUNG_PM_GPIO
 404         bool
 405         default y if GPIO_SAMSUNG && PM
 406         help
 407           Include legacy GPIO power management code for platforms not using
 408           pinctrl-samsung driver.
 409
 410 config SAMSUNG_DMADEV
 411         bool "Use legacy Samsung DMA abstraction"
 412         depends on CPU_S5PV210 || CPU_S5PC100 || ARCH_S5P64X0 || ARCH_S3C64XX
 413         select DMADEVICES
 414         default y
 415         help
 416           Use DMA device engine for PL330 DMAC.
 417
 418 endif
 419
 420 config S5P_DEV_MFC
 421         bool
 422         help
 423           Compile in setup memory (init) code for MFC
 424
 425 comment "Power management"
 426
 427 config SAMSUNG_PM_DEBUG
 428         bool "S3C2410 PM Suspend debug"
 429         depends on PM && DEBUG_KERNEL && DEBUG_S3C_UART
 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
 447         select CRC32
 448         help
 449           Enable the PM code's memory area checksum over sleep. This option
 450           will generate CRCs of all blocks of memory, and store them before
 451           going to sleep. The blocks are then checked on resume for any
 452           errors.
 453
 454           Note, this can take several seconds depending on memory size
 455           and CPU speed.
 456
 457           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 458
 459 config SAMSUNG_PM_CHECK_CHUNKSIZE
 460         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 461         depends on PM && SAMSUNG_PM_CHECK
 462         default 64
 463         help
 464           Set the chunksize in Kilobytes of the CRC for checking memory
 465           corruption over suspend and resume. A smaller value will mean that
 466           the CRC data block will take more memory, but wil identify any
 467           faults with better precision.
 468
 469           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 470
 471 config SAMSUNG_WAKEMASK
 472         bool
 473         depends on PM
 474         help
 475           Compile support for wakeup-mask controls found on the S3C6400
 476           and above. This code allows a set of interrupt to wakeup-mask
 477           mappings. See <plat/wakeup-mask.h>
 478
 479 config SAMSUNG_WDT_RESET
 480         bool
 481         help
 482           Compile support for system restart by triggering watchdog reset.
 483           Used on SoCs that do not provide dedicated reset control.
 484
 485 config S5P_PM
 486         bool
 487         help
 488           Common code for power management support on S5P and newer SoCs
 489           Note: Do not select this for S5P6440 and S5P6450.
 490
 491 config S5P_SLEEP
 492         bool
 493         help
 494           Internal config node to apply common S5P sleep management code.
 495           Can be selected by S5P and newer SoCs with similar sleep procedure.
 496
 497 config DEBUG_S3C_UART
 498         depends on PLAT_SAMSUNG
 499         int
 500         default "0" if DEBUG_S3C_UART0
 501         default "1" if DEBUG_S3C_UART1
 502         default "2" if DEBUG_S3C_UART2
 503         default "3" if DEBUG_S3C_UART3
 504
 505 endif