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 config SAMSUNG_PM
  33         bool
  34         depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5P64X0 || S5P_PM)
  35         default y
  36         help
  37           Base platform power management code for samsung code
  38
  39 if PLAT_SAMSUNG
  40
  41 # boot configurations
  42
  43 comment "Boot options"
  44
  45 config S3C_BOOT_ERROR_RESET
  46         bool "S3C Reboot on decompression error"
  47         help
  48           Say y here to use the watchdog to reset the system if the
  49           kernel decompressor detects an error during decompression.
  50
  51 config S3C_BOOT_UART_FORCE_FIFO
  52        bool "Force UART FIFO on during boot process"
  53        default y
  54        help
  55          Say Y here to force the UART FIFOs on during the kernel
  56          uncompressor
  57
  58
  59 config S3C_LOWLEVEL_UART_PORT
  60         int "S3C UART to use for low-level messages"
  61         default 0
  62         help
  63           Choice of which UART port to use for the low-level messages,
  64           such as the `Uncompressing...` at start time. The value of
  65           this configuration should be between zero and two. The port
  66           must have been initialised by the boot-loader before use.
  67
  68 config SAMSUNG_ATAGS
  69         def_bool n
  70         depends on !ARCH_MULTIPLATFORM
  71         depends on ATAGS
  72         help
  73            This option enables ATAGS based boot support code for
  74            Samsung platforms, including static platform devices, legacy
  75            clock, timer and interrupt initialization, etc.
  76
  77            Platforms that support only DT based boot need not to select
  78            this option.
  79
  80 if SAMSUNG_ATAGS
  81
  82 # timer options
  83
  84 config SAMSUNG_HRT
  85         bool
  86         select SAMSUNG_DEV_PWM
  87         help
  88           Use the High Resolution timer support
  89
  90 # clock options
  91
  92 config SAMSUNG_CLOCK
  93         bool
  94         default y if !COMMON_CLK
  95
  96 config SAMSUNG_CLKSRC
  97         bool
  98         help
  99           Select the clock code for the clksrc implementation
 100           used by newer systems such as the S3C64XX.
 101
 102 config S5P_CLOCK
 103         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 104         help
 105           Support common clock part for ARCH_S5P and ARCH_EXYNOS SoCs
 106
 107 # options for IRQ support
 108
 109 config SAMSUNG_IRQ_VIC_TIMER
 110        bool
 111        help
 112          Internal configuration to build the VIC timer interrupt code.
 113
 114 config S5P_IRQ
 115         def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 116         help
 117           Support common interrupt part for ARCH_S5P SoCs
 118
 119 config S5P_EXT_INT
 120         bool
 121         help
 122           Use the external interrupts (other than GPIO interrupts.)
 123           Note: Do not choose this for S5P6440 and S5P6450.
 124
 125 config S5P_GPIO_INT
 126         bool
 127         help
 128           Common code for the GPIO interrupts (other than external interrupts.)
 129
 130 # options for gpio configuration support
 131
 132 config SAMSUNG_GPIOLIB_4BIT
 133         bool
 134         help
 135           GPIOlib file contains the 4 bit modification functions for gpio
 136           configuration. GPIOlib shall be compiled only for S3C64XX and S5P
 137           series of processors.
 138
 139 config S5P_GPIO_DRVSTR
 140         bool
 141         help
 142           Internal configuration to get and set correct GPIO driver strength
 143           helper
 144
 145 config SAMSUNG_GPIO_EXTRA
 146         int "Number of additional GPIO pins"
 147         default 128 if SAMSUNG_GPIO_EXTRA128
 148         default 64 if SAMSUNG_GPIO_EXTRA64
 149         default 0
 150         help
 151           Use additional GPIO space in addition to the GPIO's the SOC
 152           provides. This allows expanding the GPIO space for use with
 153           GPIO expanders.
 154
 155 config SAMSUNG_GPIO_EXTRA64
 156         bool
 157
 158 config SAMSUNG_GPIO_EXTRA128
 159         bool
 160
 161 config S3C_GPIO_SPACE
 162         int "Space between gpio banks"
 163         default 0
 164         help
 165           Add a number of spare GPIO entries between each bank for debugging
 166           purposes. This allows any problems where an counter overflows from
 167           one bank to another to be caught, at the expense of using a little
 168           more memory.
 169
 170 config S3C_GPIO_TRACK
 171         bool
 172         help
 173           Internal configuration option to enable the s3c specific gpio
 174           chip tracking if the platform requires it.
 175
 176 # uart options
 177
 178 config S5P_DEV_UART
 179         def_bool y
 180         depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
 181
 182 # ADC driver
 183
 184 config S3C_ADC
 185         bool "ADC common driver support"
 186         help
 187           Core support for the ADC block found in the Samsung SoC systems
 188           for drivers such as the touchscreen and hwmon to use to share
 189           this resource.
 190
 191 # device definitions to compile in
 192
 193 config S3C_DEV_HSMMC
 194         bool
 195         help
 196           Compile in platform device definitions for HSMMC code
 197
 198 config S3C_DEV_HSMMC1
 199         bool
 200         help
 201           Compile in platform device definitions for HSMMC channel 1
 202
 203 config S3C_DEV_HSMMC2
 204         bool
 205         help
 206           Compile in platform device definitions for HSMMC channel 2
 207
 208 config S3C_DEV_HSMMC3
 209         bool
 210         help
 211           Compile in platform device definitions for HSMMC channel 3
 212
 213 config S3C_DEV_HWMON
 214         bool
 215         help
 216             Compile in platform device definitions for HWMON
 217
 218 config S3C_DEV_I2C1
 219         bool
 220         help
 221           Compile in platform device definitions for I2C channel 1
 222
 223 config S3C_DEV_I2C2
 224         bool
 225         help
 226           Compile in platform device definitions for I2C channel 2
 227
 228 config S3C_DEV_I2C3
 229         bool
 230         help
 231           Compile in platform device definition for I2C controller 3
 232
 233 config S3C_DEV_I2C4
 234         bool
 235         help
 236           Compile in platform device definition for I2C controller 4
 237
 238 config S3C_DEV_I2C5
 239         bool
 240         help
 241           Compile in platform device definition for I2C controller 5
 242
 243 config S3C_DEV_I2C6
 244         bool
 245         help
 246           Compile in platform device definition for I2C controller 6
 247
 248 config S3C_DEV_I2C7
 249         bool
 250         help
 251           Compile in platform device definition for I2C controller 7
 252
 253 config S3C_DEV_FB
 254         bool
 255         help
 256           Compile in platform device definition for framebuffer
 257
 258 config S3C_DEV_USB_HOST
 259         bool
 260         help
 261           Compile in platform device definition for USB host.
 262
 263 config S3C_DEV_USB_HSOTG
 264         bool
 265         help
 266           Compile in platform device definition for USB high-speed OtG
 267
 268 config S3C_DEV_WDT
 269         bool
 270         default y if ARCH_S3C24XX
 271         help
 272           Complie in platform device definition for Watchdog Timer
 273
 274 config S3C_DEV_NAND
 275         bool
 276         help
 277           Compile in platform device definition for NAND controller
 278
 279 config S3C_DEV_ONENAND
 280         bool
 281         help
 282           Compile in platform device definition for OneNAND controller
 283
 284 config S3C_DEV_RTC
 285         bool
 286         help
 287           Complie in platform device definition for RTC
 288
 289 config SAMSUNG_DEV_ADC
 290         bool
 291         help
 292           Compile in platform device definition for ADC controller
 293
 294 config SAMSUNG_DEV_IDE
 295         bool
 296         help
 297           Compile in platform device definitions for IDE
 298
 299 config S3C64XX_DEV_SPI0
 300         bool
 301         help
 302           Compile in platform device definitions for S3C64XX's type
 303           SPI controller 0
 304
 305 config S3C64XX_DEV_SPI1
 306         bool
 307         help
 308           Compile in platform device definitions for S3C64XX's type
 309           SPI controller 1
 310
 311 config S3C64XX_DEV_SPI2
 312         bool
 313         help
 314           Compile in platform device definitions for S3C64XX's type
 315           SPI controller 2
 316
 317 config SAMSUNG_DEV_TS
 318         bool
 319         help
 320             Common in platform device definitions for touchscreen device
 321
 322 config SAMSUNG_DEV_KEYPAD
 323         bool
 324         help
 325           Compile in platform device definitions for keypad
 326
 327 config SAMSUNG_DEV_PWM
 328         bool
 329         default y if ARCH_S3C24XX
 330         help
 331           Compile in platform device definition for PWM Timer
 332
 333 config SAMSUNG_DEV_BACKLIGHT
 334         bool
 335         depends on SAMSUNG_DEV_PWM
 336         help
 337           Compile in platform device definition LCD backlight with PWM Timer
 338
 339 config S5P_DEV_CSIS0
 340         bool
 341         help
 342           Compile in platform device definitions for MIPI-CSIS channel 0
 343
 344 config S5P_DEV_CSIS1
 345         bool
 346         help
 347           Compile in platform device definitions for MIPI-CSIS channel 1
 348
 349 config S5P_DEV_FIMC0
 350         bool
 351         help
 352           Compile in platform device definitions for FIMC controller 0
 353
 354 config S5P_DEV_FIMC1
 355         bool
 356         help
 357           Compile in platform device definitions for FIMC controller 1
 358
 359 config S5P_DEV_FIMC2
 360         bool
 361         help
 362           Compile in platform device definitions for FIMC controller 2
 363
 364 config S5P_DEV_FIMC3
 365         bool
 366         help
 367           Compile in platform device definitions for FIMC controller 3
 368
 369 config S5P_DEV_FIMD0
 370         bool
 371         help
 372           Compile in platform device definitions for FIMD controller 0
 373
 374 config S5P_DEV_G2D
 375         bool
 376         help
 377           Compile in platform device definitions for G2D device
 378
 379 config S5P_DEV_I2C_HDMIPHY
 380         bool
 381         help
 382           Compile in platform device definitions for I2C HDMIPHY controller
 383
 384 config S5P_DEV_JPEG
 385         bool
 386         help
 387           Compile in platform device definitions for JPEG codec
 388
 389 config S5P_DEV_ONENAND
 390         bool
 391         help
 392           Compile in platform device definition for OneNAND controller
 393
 394 config S5P_DEV_TV
 395         bool
 396         help
 397           Compile in platform device definition for TV interface
 398
 399 config S5P_DEV_USB_EHCI
 400         bool
 401         help
 402           Compile in platform device definition for USB EHCI
 403
 404 config S3C24XX_PWM
 405         bool "PWM device support"
 406         select PWM
 407         select PWM_SAMSUNG
 408         help
 409           Support for exporting the PWM timer blocks via the pwm device
 410           system
 411
 412 config S5P_SETUP_MIPIPHY
 413         bool
 414         help
 415           Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices
 416
 417 config S3C_SETUP_CAMIF
 418         bool
 419         help
 420           Compile in common setup code for S3C CAMIF devices
 421
 422 # DMA
 423
 424 config S3C_DMA
 425         bool
 426         help
 427           Internal configuration for S3C DMA core
 428
 429 config S5P_IRQ_PM
 430         bool
 431         default y if S5P_PM
 432         help
 433           Legacy IRQ power management for S5P platforms
 434
 435 config SAMSUNG_PM_GPIO
 436         bool
 437         default y if GPIO_SAMSUNG && PM
 438         help
 439           Include legacy GPIO power management code for platforms not using
 440           pinctrl-samsung driver.
 441
 442 endif
 443
 444 config SAMSUNG_DMADEV
 445         bool
 446         select ARM_AMBA
 447         select DMADEVICES
 448         select PL330_DMA if (ARCH_EXYNOS5 || ARCH_EXYNOS4 || CPU_S5PV210 || CPU_S5PC100 || \
 449                                         CPU_S5P6450 || CPU_S5P6440)
 450         help
 451           Use DMA device engine for PL330 DMAC.
 452
 453 config S5P_DEV_MFC
 454         bool
 455         help
 456           Compile in setup memory (init) code for MFC
 457
 458 comment "Power management"
 459
 460 config SAMSUNG_PM_DEBUG
 461         bool "S3C2410 PM Suspend debug"
 462         depends on PM
 463         select DEBUG_LL
 464         help
 465           Say Y here if you want verbose debugging from the PM Suspend and
 466           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 467           for more information.
 468
 469 config S3C_PM_DEBUG_LED_SMDK
 470        bool "SMDK LED suspend/resume debugging"
 471        depends on PM && (MACH_SMDK6410)
 472        help
 473          Say Y here to enable the use of the SMDK LEDs on the baseboard
 474          for debugging of the state of the suspend and resume process.
 475
 476          Note, this currently only works for S3C64XX based SMDK boards.
 477
 478 config SAMSUNG_PM_CHECK
 479         bool "S3C2410 PM Suspend Memory CRC"
 480         depends on PM && CRC32
 481         help
 482           Enable the PM code's memory area checksum over sleep. This option
 483           will generate CRCs of all blocks of memory, and store them before
 484           going to sleep. The blocks are then checked on resume for any
 485           errors.
 486
 487           Note, this can take several seconds depending on memory size
 488           and CPU speed.
 489
 490           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 491
 492 config SAMSUNG_PM_CHECK_CHUNKSIZE
 493         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 494         depends on PM && SAMSUNG_PM_CHECK
 495         default 64
 496         help
 497           Set the chunksize in Kilobytes of the CRC for checking memory
 498           corruption over suspend and resume. A smaller value will mean that
 499           the CRC data block will take more memory, but wil identify any
 500           faults with better precision.
 501
 502           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 503
 504 config SAMSUNG_WAKEMASK
 505         bool
 506         depends on PM
 507         help
 508           Compile support for wakeup-mask controls found on the S3C6400
 509           and above. This code allows a set of interrupt to wakeup-mask
 510           mappings. See <plat/wakeup-mask.h>
 511
 512 config SAMSUNG_WDT_RESET
 513         bool
 514         help
 515           Compile support for system restart by triggering watchdog reset.
 516           Used on SoCs that do not provide dedicated reset control.
 517
 518 config S5P_PM
 519         bool
 520         help
 521           Common code for power management support on S5P and newer SoCs
 522           Note: Do not select this for S5P6440 and S5P6450.
 523
 524 config S5P_SLEEP
 525         bool
 526         help
 527           Internal config node to apply common S5P sleep management code.
 528           Can be selected by S5P and newer SoCs with similar sleep procedure.
 529
 530 config DEBUG_S3C_UART
 531         depends on PLAT_SAMSUNG
 532         int
 533         default "0" if DEBUG_S3C_UART0
 534         default "1" if DEBUG_S3C_UART1
 535         default "2" if DEBUG_S3C_UART2
 536         default "3" if DEBUG_S3C_UART3
 537
 538 endif