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 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_S5P64X0 || ARCH_S5PC100 || 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_S5P64X0 || ARCH_S5PC100 || 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           Note: Do not choose this for S5P6440 and S5P6450.
  97
  98 config S5P_GPIO_INT
  99         bool
 100         help
 101           Common code for the GPIO interrupts (other than external interrupts.)
 102
 103 # options for gpio configuration support
 104
 105 config S5P_GPIO_DRVSTR
 106         bool
 107         help
 108           Internal configuration to get and set correct GPIO driver strength
 109           helper
 110
 111 config SAMSUNG_GPIO_EXTRA
 112         int "Number of additional GPIO pins"
 113         default 128 if SAMSUNG_GPIO_EXTRA128
 114         default 64 if SAMSUNG_GPIO_EXTRA64
 115         default 0
 116         help
 117           Use additional GPIO space in addition to the GPIO's the SOC
 118           provides. This allows expanding the GPIO space for use with
 119           GPIO expanders.
 120
 121 config SAMSUNG_GPIO_EXTRA64
 122         bool
 123
 124 config SAMSUNG_GPIO_EXTRA128
 125         bool
 126
 127 config S3C_GPIO_SPACE
 128         int "Space between gpio banks"
 129         default 0
 130         help
 131           Add a number of spare GPIO entries between each bank for debugging
 132           purposes. This allows any problems where an counter overflows from
 133           one bank to another to be caught, at the expense of using a little
 134           more memory.
 135
 136 config S3C_GPIO_TRACK
 137         bool
 138         help
 139           Internal configuration option to enable the s3c specific gpio
 140           chip tracking if the platform requires it.
 141
 142 # uart options
 143
 144 config S5P_DEV_UART
 145         def_bool y
 146         depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 147
 148 # ADC driver
 149
 150 config S3C_ADC
 151         bool "ADC common driver support"
 152         help
 153           Core support for the ADC block found in the Samsung SoC systems
 154           for drivers such as the touchscreen and hwmon to use to share
 155           this resource.
 156
 157 # device definitions to compile in
 158
 159 config S3C_DEV_HSMMC
 160         bool
 161         help
 162           Compile in platform device definitions for HSMMC code
 163
 164 config S3C_DEV_HSMMC1
 165         bool
 166         help
 167           Compile in platform device definitions for HSMMC channel 1
 168
 169 config S3C_DEV_HSMMC2
 170         bool
 171         help
 172           Compile in platform device definitions for HSMMC channel 2
 173
 174 config S3C_DEV_HSMMC3
 175         bool
 176         help
 177           Compile in platform device definitions for HSMMC channel 3
 178
 179 config S3C_DEV_HWMON
 180         bool
 181         help
 182             Compile in platform device definitions for HWMON
 183
 184 config S3C_DEV_I2C1
 185         bool
 186         help
 187           Compile in platform device definitions for I2C channel 1
 188
 189 config S3C_DEV_I2C2
 190         bool
 191         help
 192           Compile in platform device definitions for I2C channel 2
 193
 194 config S3C_DEV_I2C3
 195         bool
 196         help
 197           Compile in platform device definition for I2C controller 3
 198
 199 config S3C_DEV_I2C4
 200         bool
 201         help
 202           Compile in platform device definition for I2C controller 4
 203
 204 config S3C_DEV_I2C5
 205         bool
 206         help
 207           Compile in platform device definition for I2C controller 5
 208
 209 config S3C_DEV_I2C6
 210         bool
 211         help
 212           Compile in platform device definition for I2C controller 6
 213
 214 config S3C_DEV_I2C7
 215         bool
 216         help
 217           Compile in platform device definition for I2C controller 7
 218
 219 config S3C_DEV_FB
 220         bool
 221         help
 222           Compile in platform device definition for framebuffer
 223
 224 config S3C_DEV_USB_HOST
 225         bool
 226         help
 227           Compile in platform device definition for USB host.
 228
 229 config S3C_DEV_USB_HSOTG
 230         bool
 231         help
 232           Compile in platform device definition for USB high-speed OtG
 233
 234 config S3C_DEV_WDT
 235         bool
 236         default y if ARCH_S3C24XX
 237         help
 238           Complie in platform device definition for Watchdog Timer
 239
 240 config S3C_DEV_NAND
 241         bool
 242         help
 243           Compile in platform device definition for NAND controller
 244
 245 config S3C_DEV_ONENAND
 246         bool
 247         help
 248           Compile in platform device definition for OneNAND controller
 249
 250 config S3C_DEV_RTC
 251         bool
 252         help
 253           Complie in platform device definition for RTC
 254
 255 config SAMSUNG_DEV_ADC
 256         bool
 257         help
 258           Compile in platform device definition for ADC controller
 259
 260 config SAMSUNG_DEV_IDE
 261         bool
 262         help
 263           Compile in platform device definitions for IDE
 264
 265 config S3C64XX_DEV_SPI0
 266         bool
 267         help
 268           Compile in platform device definitions for S3C64XX's type
 269           SPI controller 0
 270
 271 config S3C64XX_DEV_SPI1
 272         bool
 273         help
 274           Compile in platform device definitions for S3C64XX's type
 275           SPI controller 1
 276
 277 config S3C64XX_DEV_SPI2
 278         bool
 279         help
 280           Compile in platform device definitions for S3C64XX's type
 281           SPI controller 2
 282
 283 config SAMSUNG_DEV_TS
 284         bool
 285         help
 286             Common in platform device definitions for touchscreen device
 287
 288 config SAMSUNG_DEV_KEYPAD
 289         bool
 290         help
 291           Compile in platform device definitions for keypad
 292
 293 config SAMSUNG_DEV_PWM
 294         bool
 295         default y if ARCH_S3C24XX
 296         help
 297           Compile in platform device definition for PWM Timer
 298
 299 config SAMSUNG_DEV_BACKLIGHT
 300         bool
 301         depends on SAMSUNG_DEV_PWM
 302         help
 303           Compile in platform device definition LCD backlight with PWM Timer
 304
 305 config S5P_DEV_CSIS0
 306         bool
 307         help
 308           Compile in platform device definitions for MIPI-CSIS channel 0
 309
 310 config S5P_DEV_CSIS1
 311         bool
 312         help
 313           Compile in platform device definitions for MIPI-CSIS channel 1
 314
 315 config S5P_DEV_FIMC0
 316         bool
 317         help
 318           Compile in platform device definitions for FIMC controller 0
 319
 320 config S5P_DEV_FIMC1
 321         bool
 322         help
 323           Compile in platform device definitions for FIMC controller 1
 324
 325 config S5P_DEV_FIMC2
 326         bool
 327         help
 328           Compile in platform device definitions for FIMC controller 2
 329
 330 config S5P_DEV_FIMC3
 331         bool
 332         help
 333           Compile in platform device definitions for FIMC controller 3
 334
 335 config S5P_DEV_FIMD0
 336         bool
 337         help
 338           Compile in platform device definitions for FIMD controller 0
 339
 340 config S5P_DEV_G2D
 341         bool
 342         help
 343           Compile in platform device definitions for G2D device
 344
 345 config S5P_DEV_I2C_HDMIPHY
 346         bool
 347         help
 348           Compile in platform device definitions for I2C HDMIPHY controller
 349
 350 config S5P_DEV_JPEG
 351         bool
 352         help
 353           Compile in platform device definitions for JPEG codec
 354
 355 config S5P_DEV_ONENAND
 356         bool
 357         help
 358           Compile in platform device definition for OneNAND controller
 359
 360 config S5P_DEV_TV
 361         bool
 362         help
 363           Compile in platform device definition for TV interface
 364
 365 config S3C24XX_PWM
 366         bool "PWM device support"
 367         select PWM
 368         select PWM_SAMSUNG
 369         help
 370           Support for exporting the PWM timer blocks via the pwm device
 371           system
 372
 373 config S3C_SETUP_CAMIF
 374         bool
 375         help
 376           Compile in common setup code for S3C CAMIF devices
 377
 378 # DMA
 379
 380 config S3C_DMA
 381         bool
 382         help
 383           Internal configuration for S3C DMA core
 384
 385 config S5P_IRQ_PM
 386         bool
 387         default y if S5P_PM
 388         help
 389           Legacy IRQ power management for S5P platforms
 390
 391 config SAMSUNG_PM_GPIO
 392         bool
 393         default y if GPIO_SAMSUNG && PM
 394         help
 395           Include legacy GPIO power management code for platforms not using
 396           pinctrl-samsung driver.
 397
 398 config SAMSUNG_DMADEV
 399         bool "Use legacy Samsung DMA abstraction"
 400         depends on CPU_S5PV210 || CPU_S5PC100 || ARCH_S5P64X0 || ARCH_S3C64XX
 401         select DMADEVICES
 402         default y
 403         help
 404           Use DMA device engine for PL330 DMAC.
 405
 406 endif
 407
 408 config S5P_DEV_MFC
 409         bool
 410         help
 411           Compile in setup memory (init) code for MFC
 412
 413 comment "Power management"
 414
 415 config SAMSUNG_PM_DEBUG
 416         bool "S3C2410 PM Suspend debug"
 417         depends on PM && DEBUG_KERNEL && DEBUG_S3C_UART
 418         help
 419           Say Y here if you want verbose debugging from the PM Suspend and
 420           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 421           for more information.
 422
 423 config S3C_PM_DEBUG_LED_SMDK
 424        bool "SMDK LED suspend/resume debugging"
 425        depends on PM && (MACH_SMDK6410)
 426        help
 427          Say Y here to enable the use of the SMDK LEDs on the baseboard
 428          for debugging of the state of the suspend and resume process.
 429
 430          Note, this currently only works for S3C64XX based SMDK boards.
 431
 432 config SAMSUNG_PM_CHECK
 433         bool "S3C2410 PM Suspend Memory CRC"
 434         depends on PM
 435         select CRC32
 436         help
 437           Enable the PM code's memory area checksum over sleep. This option
 438           will generate CRCs of all blocks of memory, and store them before
 439           going to sleep. The blocks are then checked on resume for any
 440           errors.
 441
 442           Note, this can take several seconds depending on memory size
 443           and CPU speed.
 444
 445           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 446
 447 config SAMSUNG_PM_CHECK_CHUNKSIZE
 448         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 449         depends on PM && SAMSUNG_PM_CHECK
 450         default 64
 451         help
 452           Set the chunksize in Kilobytes of the CRC for checking memory
 453           corruption over suspend and resume. A smaller value will mean that
 454           the CRC data block will take more memory, but wil identify any
 455           faults with better precision.
 456
 457           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 458
 459 config SAMSUNG_WAKEMASK
 460         bool
 461         depends on PM
 462         help
 463           Compile support for wakeup-mask controls found on the S3C6400
 464           and above. This code allows a set of interrupt to wakeup-mask
 465           mappings. See <plat/wakeup-mask.h>
 466
 467 config SAMSUNG_WDT_RESET
 468         bool
 469         help
 470           Compile support for system restart by triggering watchdog reset.
 471           Used on SoCs that do not provide dedicated reset control.
 472
 473 config S5P_PM
 474         bool
 475         help
 476           Common code for power management support on S5P and newer SoCs
 477           Note: Do not select this for S5P6440 and S5P6450.
 478
 479 config S5P_SLEEP
 480         bool
 481         help
 482           Internal config node to apply common S5P sleep management code.
 483           Can be selected by S5P and newer SoCs with similar sleep procedure.
 484
 485 config DEBUG_S3C_UART
 486         depends on PLAT_SAMSUNG
 487         int
 488         default "0" if DEBUG_S3C_UART0
 489         default "1" if DEBUG_S3C_UART1
 490         default "2" if DEBUG_S3C_UART2
 491         default "3" if DEBUG_S3C_UART3
 492
 493 endmenu
 494 endif