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         help
  27           Base platform code for Samsung's S5P series SoC.
  28
  29 config SAMSUNG_PM
  30         bool
  31         depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX || S5P_PM)
  32         default y
  33         help
  34           Base platform power management code for samsung code
  35
  36 if PLAT_SAMSUNG
  37 menu "Samsung Common options"
  38
  39 # boot configurations
  40
  41 comment "Boot options"
  42
  43 config S3C_LOWLEVEL_UART_PORT
  44         int "S3C UART to use for low-level messages"
  45         depends on ARCH_S3C64XX
  46         default 0
  47         help
  48           Choice of which UART port to use for the low-level messages,
  49           such as the `Uncompressing...` at start time. The value of
  50           this configuration should be between zero and two. The port
  51           must have been initialised by the boot-loader before use.
  52
  53 config SAMSUNG_ATAGS
  54         def_bool n
  55         depends on !ARCH_MULTIPLATFORM
  56         depends on ATAGS
  57         help
  58            This option enables ATAGS based boot support code for
  59            Samsung platforms, including static platform devices, legacy
  60            clock, timer and interrupt initialization, etc.
  61
  62            Platforms that support only DT based boot need not to select
  63            this option.
  64
  65 if SAMSUNG_ATAGS
  66
  67 # options for IRQ support
  68
  69 config S5P_IRQ
  70         def_bool ARCH_S5PV210
  71         help
  72           Support common interrupt part for ARCH_S5P SoCs
  73
  74 config S5P_EXT_INT
  75         bool
  76         help
  77           Use the external interrupts (other than GPIO interrupts.)
  78
  79 config S5P_GPIO_INT
  80         bool
  81         help
  82           Common code for the GPIO interrupts (other than external interrupts.)
  83
  84 # options for gpio configuration support
  85
  86 config S5P_GPIO_DRVSTR
  87         bool
  88         help
  89           Internal configuration to get and set correct GPIO driver strength
  90           helper
  91
  92 config SAMSUNG_GPIO_EXTRA
  93         int "Number of additional GPIO pins"
  94         default 128 if SAMSUNG_GPIO_EXTRA128
  95         default 64 if SAMSUNG_GPIO_EXTRA64
  96         default 0
  97         help
  98           Use additional GPIO space in addition to the GPIO's the SOC
  99           provides. This allows expanding the GPIO space for use with
 100           GPIO expanders.
 101
 102 config SAMSUNG_GPIO_EXTRA64
 103         bool
 104
 105 config SAMSUNG_GPIO_EXTRA128
 106         bool
 107
 108 config S3C_GPIO_SPACE
 109         int "Space between gpio banks"
 110         default 0
 111         help
 112           Add a number of spare GPIO entries between each bank for debugging
 113           purposes. This allows any problems where an counter overflows from
 114           one bank to another to be caught, at the expense of using a little
 115           more memory.
 116
 117 config S3C_GPIO_TRACK
 118         bool
 119         help
 120           Internal configuration option to enable the s3c specific gpio
 121           chip tracking if the platform requires it.
 122
 123 # uart options
 124
 125 config S5P_DEV_UART
 126         def_bool y
 127         depends on ARCH_S5PV210
 128
 129 # ADC driver
 130
 131 config S3C_ADC
 132         bool "ADC common driver support"
 133         help
 134           Core support for the ADC block found in the Samsung SoC systems
 135           for drivers such as the touchscreen and hwmon to use to share
 136           this resource.
 137
 138 # device definitions to compile in
 139
 140 config S3C_DEV_HSMMC
 141         bool
 142         help
 143           Compile in platform device definitions for HSMMC code
 144
 145 config S3C_DEV_HSMMC1
 146         bool
 147         help
 148           Compile in platform device definitions for HSMMC channel 1
 149
 150 config S3C_DEV_HSMMC2
 151         bool
 152         help
 153           Compile in platform device definitions for HSMMC channel 2
 154
 155 config S3C_DEV_HSMMC3
 156         bool
 157         help
 158           Compile in platform device definitions for HSMMC channel 3
 159
 160 config S3C_DEV_HWMON
 161         bool
 162         help
 163             Compile in platform device definitions for HWMON
 164
 165 config S3C_DEV_I2C1
 166         bool
 167         help
 168           Compile in platform device definitions for I2C channel 1
 169
 170 config S3C_DEV_I2C2
 171         bool
 172         help
 173           Compile in platform device definitions for I2C channel 2
 174
 175 config S3C_DEV_I2C3
 176         bool
 177         help
 178           Compile in platform device definition for I2C controller 3
 179
 180 config S3C_DEV_I2C4
 181         bool
 182         help
 183           Compile in platform device definition for I2C controller 4
 184
 185 config S3C_DEV_I2C5
 186         bool
 187         help
 188           Compile in platform device definition for I2C controller 5
 189
 190 config S3C_DEV_I2C6
 191         bool
 192         help
 193           Compile in platform device definition for I2C controller 6
 194
 195 config S3C_DEV_I2C7
 196         bool
 197         help
 198           Compile in platform device definition for I2C controller 7
 199
 200 config S3C_DEV_FB
 201         bool
 202         help
 203           Compile in platform device definition for framebuffer
 204
 205 config S3C_DEV_USB_HOST
 206         bool
 207         help
 208           Compile in platform device definition for USB host.
 209
 210 config S3C_DEV_USB_HSOTG
 211         bool
 212         help
 213           Compile in platform device definition for USB high-speed OtG
 214
 215 config S3C_DEV_WDT
 216         bool
 217         default y if ARCH_S3C24XX
 218         help
 219           Complie in platform device definition for Watchdog Timer
 220
 221 config S3C_DEV_NAND
 222         bool
 223         help
 224           Compile in platform device definition for NAND controller
 225
 226 config S3C_DEV_ONENAND
 227         bool
 228         help
 229           Compile in platform device definition for OneNAND controller
 230
 231 config S3C_DEV_RTC
 232         bool
 233         help
 234           Complie in platform device definition for RTC
 235
 236 config SAMSUNG_DEV_ADC
 237         bool
 238         help
 239           Compile in platform device definition for ADC controller
 240
 241 config SAMSUNG_DEV_IDE
 242         bool
 243         help
 244           Compile in platform device definitions for IDE
 245
 246 config S3C64XX_DEV_SPI0
 247         bool
 248         help
 249           Compile in platform device definitions for S3C64XX's type
 250           SPI controller 0
 251
 252 config S3C64XX_DEV_SPI1
 253         bool
 254         help
 255           Compile in platform device definitions for S3C64XX's type
 256           SPI controller 1
 257
 258 config S3C64XX_DEV_SPI2
 259         bool
 260         help
 261           Compile in platform device definitions for S3C64XX's type
 262           SPI controller 2
 263
 264 config SAMSUNG_DEV_TS
 265         bool
 266         help
 267             Common in platform device definitions for touchscreen device
 268
 269 config SAMSUNG_DEV_KEYPAD
 270         bool
 271         help
 272           Compile in platform device definitions for keypad
 273
 274 config SAMSUNG_DEV_PWM
 275         bool
 276         default y if ARCH_S3C24XX
 277         help
 278           Compile in platform device definition for PWM Timer
 279
 280 config SAMSUNG_DEV_BACKLIGHT
 281         bool
 282         depends on SAMSUNG_DEV_PWM
 283         help
 284           Compile in platform device definition LCD backlight with PWM Timer
 285
 286 config S5P_DEV_CSIS0
 287         bool
 288         help
 289           Compile in platform device definitions for MIPI-CSIS channel 0
 290
 291 config S5P_DEV_CSIS1
 292         bool
 293         help
 294           Compile in platform device definitions for MIPI-CSIS channel 1
 295
 296 config S5P_DEV_FIMC0
 297         bool
 298         help
 299           Compile in platform device definitions for FIMC controller 0
 300
 301 config S5P_DEV_FIMC1
 302         bool
 303         help
 304           Compile in platform device definitions for FIMC controller 1
 305
 306 config S5P_DEV_FIMC2
 307         bool
 308         help
 309           Compile in platform device definitions for FIMC controller 2
 310
 311 config S5P_DEV_FIMC3
 312         bool
 313         help
 314           Compile in platform device definitions for FIMC controller 3
 315
 316 config S5P_DEV_FIMD0
 317         bool
 318         help
 319           Compile in platform device definitions for FIMD controller 0
 320
 321 config S5P_DEV_G2D
 322         bool
 323         help
 324           Compile in platform device definitions for G2D device
 325
 326 config S5P_DEV_I2C_HDMIPHY
 327         bool
 328         help
 329           Compile in platform device definitions for I2C HDMIPHY controller
 330
 331 config S5P_DEV_JPEG
 332         bool
 333         help
 334           Compile in platform device definitions for JPEG codec
 335
 336 config S5P_DEV_ONENAND
 337         bool
 338         help
 339           Compile in platform device definition for OneNAND controller
 340
 341 config S5P_DEV_TV
 342         bool
 343         help
 344           Compile in platform device definition for TV interface
 345
 346 config S3C24XX_PWM
 347         bool "PWM device support"
 348         select PWM
 349         select PWM_SAMSUNG
 350         help
 351           Support for exporting the PWM timer blocks via the pwm device
 352           system
 353
 354 config S3C_SETUP_CAMIF
 355         bool
 356         help
 357           Compile in common setup code for S3C CAMIF devices
 358
 359 # DMA
 360
 361 config S3C_DMA
 362         bool
 363         help
 364           Internal configuration for S3C DMA core
 365
 366 config S5P_IRQ_PM
 367         bool
 368         default y if S5P_PM
 369         help
 370           Legacy IRQ power management for S5P platforms
 371
 372 config SAMSUNG_PM_GPIO
 373         bool
 374         default y if GPIO_SAMSUNG && PM
 375         help
 376           Include legacy GPIO power management code for platforms not using
 377           pinctrl-samsung driver.
 378
 379 config SAMSUNG_DMADEV
 380         bool "Use legacy Samsung DMA abstraction"
 381         depends on CPU_S5PV210 || ARCH_S3C64XX
 382         select DMADEVICES
 383         default y
 384         help
 385           Use DMA device engine for PL330 DMAC.
 386
 387 endif
 388
 389 config S5P_DEV_MFC
 390         bool
 391         help
 392           Compile in setup memory (init) code for MFC
 393
 394 comment "Power management"
 395
 396 config SAMSUNG_PM_DEBUG
 397         bool "S3C2410 PM Suspend debug"
 398         depends on PM && DEBUG_KERNEL && DEBUG_S3C_UART
 399         help
 400           Say Y here if you want verbose debugging from the PM Suspend and
 401           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 402           for more information.
 403
 404 config S3C_PM_DEBUG_LED_SMDK
 405        bool "SMDK LED suspend/resume debugging"
 406        depends on PM && (MACH_SMDK6410)
 407        help
 408          Say Y here to enable the use of the SMDK LEDs on the baseboard
 409          for debugging of the state of the suspend and resume process.
 410
 411          Note, this currently only works for S3C64XX based SMDK boards.
 412
 413 config SAMSUNG_PM_CHECK
 414         bool "S3C2410 PM Suspend Memory CRC"
 415         depends on PM
 416         select CRC32
 417         help
 418           Enable the PM code's memory area checksum over sleep. This option
 419           will generate CRCs of all blocks of memory, and store them before
 420           going to sleep. The blocks are then checked on resume for any
 421           errors.
 422
 423           Note, this can take several seconds depending on memory size
 424           and CPU speed.
 425
 426           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 427
 428 config SAMSUNG_PM_CHECK_CHUNKSIZE
 429         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 430         depends on PM && SAMSUNG_PM_CHECK
 431         default 64
 432         help
 433           Set the chunksize in Kilobytes of the CRC for checking memory
 434           corruption over suspend and resume. A smaller value will mean that
 435           the CRC data block will take more memory, but wil identify any
 436           faults with better precision.
 437
 438           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 439
 440 config SAMSUNG_WAKEMASK
 441         bool
 442         depends on PM
 443         help
 444           Compile support for wakeup-mask controls found on the S3C6400
 445           and above. This code allows a set of interrupt to wakeup-mask
 446           mappings. See <plat/wakeup-mask.h>
 447
 448 config SAMSUNG_WDT_RESET
 449         bool
 450         help
 451           Compile support for system restart by triggering watchdog reset.
 452           Used on SoCs that do not provide dedicated reset control.
 453
 454 config S5P_PM
 455         bool
 456         help
 457           Common code for power management support on S5P and newer SoCs
 458
 459 config S5P_SLEEP
 460         bool
 461         help
 462           Internal config node to apply common S5P sleep management code.
 463           Can be selected by S5P and newer SoCs with similar sleep procedure.
 464
 465 config DEBUG_S3C_UART
 466         depends on PLAT_SAMSUNG
 467         int
 468         default "0" if DEBUG_S3C_UART0
 469         default "1" if DEBUG_S3C_UART1
 470         default "2" if DEBUG_S3C_UART2
 471         default "3" if DEBUG_S3C_UART3
 472
 473 endmenu
 474 endif