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_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 || S5P_PM)
  33         default y
  34         help
  35           Base platform power management code for samsung code
  36
  37 if PLAT_SAMSUNG
  38 menu "Samsung Common options"
  39
  40 # boot configurations
  41
  42 comment "Boot options"
  43
  44 config S3C_LOWLEVEL_UART_PORT
  45         int "S3C UART to use for low-level messages"
  46         depends on ARCH_S3C64XX
  47         default 0
  48         help
  49           Choice of which UART port to use for the low-level messages,
  50           such as the `Uncompressing...` at start time. The value of
  51           this configuration should be between zero and two. The port
  52           must have been initialised by the boot-loader before use.
  53
  54 config SAMSUNG_ATAGS
  55         def_bool n
  56         depends on !ARCH_MULTIPLATFORM
  57         depends on ATAGS
  58         help
  59            This option enables ATAGS based boot support code for
  60            Samsung platforms, including static platform devices, legacy
  61            clock, timer and interrupt initialization, etc.
  62
  63            Platforms that support only DT based boot need not to select
  64            this option.
  65
  66 if SAMSUNG_ATAGS
  67
  68 # clock options
  69
  70 config SAMSUNG_CLOCK
  71         bool
  72         default y if !COMMON_CLK
  73
  74 config SAMSUNG_CLKSRC
  75         bool
  76         help
  77           Select the clock code for the clksrc implementation
  78           used by newer systems such as the S3C64XX.
  79
  80 config S5P_CLOCK
  81         def_bool ARCH_S5PV210
  82         help
  83           Support common clock part for ARCH_S5P and ARCH_EXYNOS SoCs
  84
  85 # options for IRQ support
  86
  87 config S5P_IRQ
  88         def_bool ARCH_S5PV210
  89         help
  90           Support common interrupt part for ARCH_S5P SoCs
  91
  92 config S5P_EXT_INT
  93         bool
  94         help
  95           Use the external interrupts (other than GPIO interrupts.)
  96
  97 config S5P_GPIO_INT
  98         bool
  99         help
 100           Common code for the GPIO interrupts (other than external interrupts.)
 101
 102 # options for gpio configuration support
 103
 104 config S5P_GPIO_DRVSTR
 105         bool
 106         help
 107           Internal configuration to get and set correct GPIO driver strength
 108           helper
 109
 110 config SAMSUNG_GPIO_EXTRA
 111         int "Number of additional GPIO pins"
 112         default 128 if SAMSUNG_GPIO_EXTRA128
 113         default 64 if SAMSUNG_GPIO_EXTRA64
 114         default 0
 115         help
 116           Use additional GPIO space in addition to the GPIO's the SOC
 117           provides. This allows expanding the GPIO space for use with
 118           GPIO expanders.
 119
 120 config SAMSUNG_GPIO_EXTRA64
 121         bool
 122
 123 config SAMSUNG_GPIO_EXTRA128
 124         bool
 125
 126 config S3C_GPIO_SPACE
 127         int "Space between gpio banks"
 128         default 0
 129         help
 130           Add a number of spare GPIO entries between each bank for debugging
 131           purposes. This allows any problems where an counter overflows from
 132           one bank to another to be caught, at the expense of using a little
 133           more memory.
 134
 135 config S3C_GPIO_TRACK
 136         bool
 137         help
 138           Internal configuration option to enable the s3c specific gpio
 139           chip tracking if the platform requires it.
 140
 141 # uart options
 142
 143 config S5P_DEV_UART
 144         def_bool y
 145         depends on ARCH_S5PV210
 146
 147 # ADC driver
 148
 149 config S3C_ADC
 150         bool "ADC common driver support"
 151         help
 152           Core support for the ADC block found in the Samsung SoC systems
 153           for drivers such as the touchscreen and hwmon to use to share
 154           this resource.
 155
 156 # device definitions to compile in
 157
 158 config S3C_DEV_HSMMC
 159         bool
 160         help
 161           Compile in platform device definitions for HSMMC code
 162
 163 config S3C_DEV_HSMMC1
 164         bool
 165         help
 166           Compile in platform device definitions for HSMMC channel 1
 167
 168 config S3C_DEV_HSMMC2
 169         bool
 170         help
 171           Compile in platform device definitions for HSMMC channel 2
 172
 173 config S3C_DEV_HSMMC3
 174         bool
 175         help
 176           Compile in platform device definitions for HSMMC channel 3
 177
 178 config S3C_DEV_HWMON
 179         bool
 180         help
 181             Compile in platform device definitions for HWMON
 182
 183 config S3C_DEV_I2C1
 184         bool
 185         help
 186           Compile in platform device definitions for I2C channel 1
 187
 188 config S3C_DEV_I2C2
 189         bool
 190         help
 191           Compile in platform device definitions for I2C channel 2
 192
 193 config S3C_DEV_I2C3
 194         bool
 195         help
 196           Compile in platform device definition for I2C controller 3
 197
 198 config S3C_DEV_I2C4
 199         bool
 200         help
 201           Compile in platform device definition for I2C controller 4
 202
 203 config S3C_DEV_I2C5
 204         bool
 205         help
 206           Compile in platform device definition for I2C controller 5
 207
 208 config S3C_DEV_I2C6
 209         bool
 210         help
 211           Compile in platform device definition for I2C controller 6
 212
 213 config S3C_DEV_I2C7
 214         bool
 215         help
 216           Compile in platform device definition for I2C controller 7
 217
 218 config S3C_DEV_FB
 219         bool
 220         help
 221           Compile in platform device definition for framebuffer
 222
 223 config S3C_DEV_USB_HOST
 224         bool
 225         help
 226           Compile in platform device definition for USB host.
 227
 228 config S3C_DEV_USB_HSOTG
 229         bool
 230         help
 231           Compile in platform device definition for USB high-speed OtG
 232
 233 config S3C_DEV_WDT
 234         bool
 235         default y if ARCH_S3C24XX
 236         help
 237           Complie in platform device definition for Watchdog Timer
 238
 239 config S3C_DEV_NAND
 240         bool
 241         help
 242           Compile in platform device definition for NAND controller
 243
 244 config S3C_DEV_ONENAND
 245         bool
 246         help
 247           Compile in platform device definition for OneNAND controller
 248
 249 config S3C_DEV_RTC
 250         bool
 251         help
 252           Complie in platform device definition for RTC
 253
 254 config SAMSUNG_DEV_ADC
 255         bool
 256         help
 257           Compile in platform device definition for ADC controller
 258
 259 config SAMSUNG_DEV_IDE
 260         bool
 261         help
 262           Compile in platform device definitions for IDE
 263
 264 config S3C64XX_DEV_SPI0
 265         bool
 266         help
 267           Compile in platform device definitions for S3C64XX's type
 268           SPI controller 0
 269
 270 config S3C64XX_DEV_SPI1
 271         bool
 272         help
 273           Compile in platform device definitions for S3C64XX's type
 274           SPI controller 1
 275
 276 config S3C64XX_DEV_SPI2
 277         bool
 278         help
 279           Compile in platform device definitions for S3C64XX's type
 280           SPI controller 2
 281
 282 config SAMSUNG_DEV_TS
 283         bool
 284         help
 285             Common in platform device definitions for touchscreen device
 286
 287 config SAMSUNG_DEV_KEYPAD
 288         bool
 289         help
 290           Compile in platform device definitions for keypad
 291
 292 config SAMSUNG_DEV_PWM
 293         bool
 294         default y if ARCH_S3C24XX
 295         help
 296           Compile in platform device definition for PWM Timer
 297
 298 config SAMSUNG_DEV_BACKLIGHT
 299         bool
 300         depends on SAMSUNG_DEV_PWM
 301         help
 302           Compile in platform device definition LCD backlight with PWM Timer
 303
 304 config S5P_DEV_CSIS0
 305         bool
 306         help
 307           Compile in platform device definitions for MIPI-CSIS channel 0
 308
 309 config S5P_DEV_CSIS1
 310         bool
 311         help
 312           Compile in platform device definitions for MIPI-CSIS channel 1
 313
 314 config S5P_DEV_FIMC0
 315         bool
 316         help
 317           Compile in platform device definitions for FIMC controller 0
 318
 319 config S5P_DEV_FIMC1
 320         bool
 321         help
 322           Compile in platform device definitions for FIMC controller 1
 323
 324 config S5P_DEV_FIMC2
 325         bool
 326         help
 327           Compile in platform device definitions for FIMC controller 2
 328
 329 config S5P_DEV_FIMC3
 330         bool
 331         help
 332           Compile in platform device definitions for FIMC controller 3
 333
 334 config S5P_DEV_FIMD0
 335         bool
 336         help
 337           Compile in platform device definitions for FIMD controller 0
 338
 339 config S5P_DEV_G2D
 340         bool
 341         help
 342           Compile in platform device definitions for G2D device
 343
 344 config S5P_DEV_I2C_HDMIPHY
 345         bool
 346         help
 347           Compile in platform device definitions for I2C HDMIPHY controller
 348
 349 config S5P_DEV_JPEG
 350         bool
 351         help
 352           Compile in platform device definitions for JPEG codec
 353
 354 config S5P_DEV_ONENAND
 355         bool
 356         help
 357           Compile in platform device definition for OneNAND controller
 358
 359 config S5P_DEV_TV
 360         bool
 361         help
 362           Compile in platform device definition for TV interface
 363
 364 config S3C24XX_PWM
 365         bool "PWM device support"
 366         select PWM
 367         select PWM_SAMSUNG
 368         help
 369           Support for exporting the PWM timer blocks via the pwm device
 370           system
 371
 372 config S3C_SETUP_CAMIF
 373         bool
 374         help
 375           Compile in common setup code for S3C CAMIF devices
 376
 377 # DMA
 378
 379 config S3C_DMA
 380         bool
 381         help
 382           Internal configuration for S3C DMA core
 383
 384 config S5P_IRQ_PM
 385         bool
 386         default y if S5P_PM
 387         help
 388           Legacy IRQ power management for S5P platforms
 389
 390 config SAMSUNG_PM_GPIO
 391         bool
 392         default y if GPIO_SAMSUNG && PM
 393         help
 394           Include legacy GPIO power management code for platforms not using
 395           pinctrl-samsung driver.
 396
 397 config SAMSUNG_DMADEV
 398         bool "Use legacy Samsung DMA abstraction"
 399         depends on CPU_S5PV210 || ARCH_S3C64XX
 400         select DMADEVICES
 401         default y
 402         help
 403           Use DMA device engine for PL330 DMAC.
 404
 405 endif
 406
 407 config S5P_DEV_MFC
 408         bool
 409         help
 410           Compile in setup memory (init) code for MFC
 411
 412 comment "Power management"
 413
 414 config SAMSUNG_PM_DEBUG
 415         bool "S3C2410 PM Suspend debug"
 416         depends on PM && DEBUG_KERNEL && DEBUG_S3C_UART
 417         help
 418           Say Y here if you want verbose debugging from the PM Suspend and
 419           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 420           for more information.
 421
 422 config S3C_PM_DEBUG_LED_SMDK
 423        bool "SMDK LED suspend/resume debugging"
 424        depends on PM && (MACH_SMDK6410)
 425        help
 426          Say Y here to enable the use of the SMDK LEDs on the baseboard
 427          for debugging of the state of the suspend and resume process.
 428
 429          Note, this currently only works for S3C64XX based SMDK boards.
 430
 431 config SAMSUNG_PM_CHECK
 432         bool "S3C2410 PM Suspend Memory CRC"
 433         depends on PM
 434         select CRC32
 435         help
 436           Enable the PM code's memory area checksum over sleep. This option
 437           will generate CRCs of all blocks of memory, and store them before
 438           going to sleep. The blocks are then checked on resume for any
 439           errors.
 440
 441           Note, this can take several seconds depending on memory size
 442           and CPU speed.
 443
 444           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 445
 446 config SAMSUNG_PM_CHECK_CHUNKSIZE
 447         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 448         depends on PM && SAMSUNG_PM_CHECK
 449         default 64
 450         help
 451           Set the chunksize in Kilobytes of the CRC for checking memory
 452           corruption over suspend and resume. A smaller value will mean that
 453           the CRC data block will take more memory, but wil identify any
 454           faults with better precision.
 455
 456           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 457
 458 config SAMSUNG_WAKEMASK
 459         bool
 460         depends on PM
 461         help
 462           Compile support for wakeup-mask controls found on the S3C6400
 463           and above. This code allows a set of interrupt to wakeup-mask
 464           mappings. See <plat/wakeup-mask.h>
 465
 466 config SAMSUNG_WDT_RESET
 467         bool
 468         help
 469           Compile support for system restart by triggering watchdog reset.
 470           Used on SoCs that do not provide dedicated reset control.
 471
 472 config S5P_PM
 473         bool
 474         help
 475           Common code for power management support on S5P and newer SoCs
 476
 477 config S5P_SLEEP
 478         bool
 479         help
 480           Internal config node to apply common S5P sleep management code.
 481           Can be selected by S5P and newer SoCs with similar sleep procedure.
 482
 483 config DEBUG_S3C_UART
 484         depends on PLAT_SAMSUNG
 485         int
 486         default "0" if DEBUG_S3C_UART0
 487         default "1" if DEBUG_S3C_UART1
 488         default "2" if DEBUG_S3C_UART2
 489         default "3" if DEBUG_S3C_UART3
 490
 491 endmenu
 492 endif