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 || ARCH_EXYNOS || ARCH_S5PV210
  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 SAMSUNG_PM
  17         bool
  18         depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX)
  19         default y
  20         help
  21           Base platform power management code for samsung code
  22
  23 if PLAT_SAMSUNG
  24 menu "Samsung Common options"
  25
  26 # boot configurations
  27
  28 comment "Boot options"
  29
  30 config S3C_LOWLEVEL_UART_PORT
  31         int "S3C UART to use for low-level messages"
  32         depends on ARCH_S3C64XX
  33         default 0
  34         help
  35           Choice of which UART port to use for the low-level messages,
  36           such as the `Uncompressing...` at start time. The value of
  37           this configuration should be between zero and two. The port
  38           must have been initialised by the boot-loader before use.
  39
  40 config SAMSUNG_ATAGS
  41         def_bool n
  42         depends on !ARCH_MULTIPLATFORM
  43         depends on ATAGS
  44         help
  45            This option enables ATAGS based boot support code for
  46            Samsung platforms, including static platform devices, legacy
  47            clock, timer and interrupt initialization, etc.
  48
  49            Platforms that support only DT based boot need not to select
  50            this option.
  51
  52 if SAMSUNG_ATAGS
  53
  54 config SAMSUNG_GPIO_EXTRA
  55         int "Number of additional GPIO pins"
  56         default 128 if SAMSUNG_GPIO_EXTRA128
  57         default 64 if SAMSUNG_GPIO_EXTRA64
  58         default 0
  59         help
  60           Use additional GPIO space in addition to the GPIO's the SOC
  61           provides. This allows expanding the GPIO space for use with
  62           GPIO expanders.
  63
  64 config SAMSUNG_GPIO_EXTRA64
  65         bool
  66
  67 config SAMSUNG_GPIO_EXTRA128
  68         bool
  69
  70 config S3C_GPIO_SPACE
  71         int "Space between gpio banks"
  72         default 0
  73         help
  74           Add a number of spare GPIO entries between each bank for debugging
  75           purposes. This allows any problems where an counter overflows from
  76           one bank to another to be caught, at the expense of using a little
  77           more memory.
  78
  79 config S3C_GPIO_TRACK
  80         bool
  81         help
  82           Internal configuration option to enable the s3c specific gpio
  83           chip tracking if the platform requires it.
  84
  85 # ADC driver
  86
  87 config S3C_ADC
  88         bool "ADC common driver support"
  89         help
  90           Core support for the ADC block found in the Samsung SoC systems
  91           for drivers such as the touchscreen and hwmon to use to share
  92           this resource.
  93
  94 # device definitions to compile in
  95
  96 config S3C_DEV_HSMMC
  97         bool
  98         help
  99           Compile in platform device definitions for HSMMC code
 100
 101 config S3C_DEV_HSMMC1
 102         bool
 103         help
 104           Compile in platform device definitions for HSMMC channel 1
 105
 106 config S3C_DEV_HSMMC2
 107         bool
 108         help
 109           Compile in platform device definitions for HSMMC channel 2
 110
 111 config S3C_DEV_HSMMC3
 112         bool
 113         help
 114           Compile in platform device definitions for HSMMC channel 3
 115
 116 config S3C_DEV_HWMON
 117         bool
 118         help
 119             Compile in platform device definitions for HWMON
 120
 121 config S3C_DEV_I2C1
 122         bool
 123         help
 124           Compile in platform device definitions for I2C channel 1
 125
 126 config S3C_DEV_I2C2
 127         bool
 128         help
 129           Compile in platform device definitions for I2C channel 2
 130
 131 config S3C_DEV_I2C3
 132         bool
 133         help
 134           Compile in platform device definition for I2C controller 3
 135
 136 config S3C_DEV_I2C4
 137         bool
 138         help
 139           Compile in platform device definition for I2C controller 4
 140
 141 config S3C_DEV_I2C5
 142         bool
 143         help
 144           Compile in platform device definition for I2C controller 5
 145
 146 config S3C_DEV_I2C6
 147         bool
 148         help
 149           Compile in platform device definition for I2C controller 6
 150
 151 config S3C_DEV_I2C7
 152         bool
 153         help
 154           Compile in platform device definition for I2C controller 7
 155
 156 config S3C_DEV_FB
 157         bool
 158         help
 159           Compile in platform device definition for framebuffer
 160
 161 config S3C_DEV_USB_HOST
 162         bool
 163         help
 164           Compile in platform device definition for USB host.
 165
 166 config S3C_DEV_USB_HSOTG
 167         bool
 168         help
 169           Compile in platform device definition for USB high-speed OtG
 170
 171 config S3C_DEV_WDT
 172         bool
 173         default y if ARCH_S3C24XX
 174         help
 175           Complie in platform device definition for Watchdog Timer
 176
 177 config S3C_DEV_NAND
 178         bool
 179         help
 180           Compile in platform device definition for NAND controller
 181
 182 config S3C_DEV_ONENAND
 183         bool
 184         help
 185           Compile in platform device definition for OneNAND controller
 186
 187 config S3C_DEV_RTC
 188         bool
 189         help
 190           Complie in platform device definition for RTC
 191
 192 config SAMSUNG_DEV_ADC
 193         bool
 194         help
 195           Compile in platform device definition for ADC controller
 196
 197 config SAMSUNG_DEV_IDE
 198         bool
 199         help
 200           Compile in platform device definitions for IDE
 201
 202 config S3C64XX_DEV_SPI0
 203         bool
 204         help
 205           Compile in platform device definitions for S3C64XX's type
 206           SPI controller 0
 207
 208 config S3C64XX_DEV_SPI1
 209         bool
 210         help
 211           Compile in platform device definitions for S3C64XX's type
 212           SPI controller 1
 213
 214 config S3C64XX_DEV_SPI2
 215         bool
 216         help
 217           Compile in platform device definitions for S3C64XX's type
 218           SPI controller 2
 219
 220 config SAMSUNG_DEV_TS
 221         bool
 222         help
 223             Common in platform device definitions for touchscreen device
 224
 225 config SAMSUNG_DEV_KEYPAD
 226         bool
 227         help
 228           Compile in platform device definitions for keypad
 229
 230 config SAMSUNG_DEV_PWM
 231         bool
 232         default y if ARCH_S3C24XX
 233         help
 234           Compile in platform device definition for PWM Timer
 235
 236 config SAMSUNG_DEV_BACKLIGHT
 237         bool
 238         depends on SAMSUNG_DEV_PWM
 239         help
 240           Compile in platform device definition LCD backlight with PWM Timer
 241
 242 config S3C24XX_PWM
 243         bool "PWM device support"
 244         select PWM
 245         select PWM_SAMSUNG
 246         help
 247           Support for exporting the PWM timer blocks via the pwm device
 248           system
 249
 250 config S3C_SETUP_CAMIF
 251         bool
 252         help
 253           Compile in common setup code for S3C CAMIF devices
 254
 255 # DMA
 256
 257 config S3C_DMA
 258         bool
 259         help
 260           Internal configuration for S3C DMA core
 261
 262 config SAMSUNG_PM_GPIO
 263         bool
 264         default y if GPIO_SAMSUNG && PM
 265         help
 266           Include legacy GPIO power management code for platforms not using
 267           pinctrl-samsung driver.
 268
 269 config SAMSUNG_DMADEV
 270         bool "Use legacy Samsung DMA abstraction"
 271         depends on CPU_S5PV210 || ARCH_S3C64XX
 272         select DMADEVICES
 273         default y
 274         help
 275           Use DMA device engine for PL330 DMAC.
 276
 277 endif
 278
 279 config S5P_DEV_MFC
 280         bool
 281         help
 282           Compile in setup memory (init) code for MFC
 283
 284 comment "Power management"
 285
 286 config SAMSUNG_PM_DEBUG
 287         bool "S3C2410 PM Suspend debug"
 288         depends on PM && DEBUG_KERNEL && DEBUG_S3C_UART
 289         help
 290           Say Y here if you want verbose debugging from the PM Suspend and
 291           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 292           for more information.
 293
 294 config S3C_PM_DEBUG_LED_SMDK
 295        bool "SMDK LED suspend/resume debugging"
 296        depends on PM && (MACH_SMDK6410)
 297        help
 298          Say Y here to enable the use of the SMDK LEDs on the baseboard
 299          for debugging of the state of the suspend and resume process.
 300
 301          Note, this currently only works for S3C64XX based SMDK boards.
 302
 303 config SAMSUNG_PM_CHECK
 304         bool "S3C2410 PM Suspend Memory CRC"
 305         depends on PM
 306         select CRC32
 307         help
 308           Enable the PM code's memory area checksum over sleep. This option
 309           will generate CRCs of all blocks of memory, and store them before
 310           going to sleep. The blocks are then checked on resume for any
 311           errors.
 312
 313           Note, this can take several seconds depending on memory size
 314           and CPU speed.
 315
 316           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 317
 318 config SAMSUNG_PM_CHECK_CHUNKSIZE
 319         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 320         depends on PM && SAMSUNG_PM_CHECK
 321         default 64
 322         help
 323           Set the chunksize in Kilobytes of the CRC for checking memory
 324           corruption over suspend and resume. A smaller value will mean that
 325           the CRC data block will take more memory, but wil identify any
 326           faults with better precision.
 327
 328           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 329
 330 config SAMSUNG_WAKEMASK
 331         bool
 332         depends on PM
 333         help
 334           Compile support for wakeup-mask controls found on the S3C6400
 335           and above. This code allows a set of interrupt to wakeup-mask
 336           mappings. See <plat/wakeup-mask.h>
 337
 338 config SAMSUNG_WDT_RESET
 339         bool
 340         help
 341           Compile support for system restart by triggering watchdog reset.
 342           Used on SoCs that do not provide dedicated reset control.
 343
 344 config DEBUG_S3C_UART
 345         depends on PLAT_SAMSUNG
 346         int
 347         default "0" if DEBUG_S3C_UART0
 348         default "1" if DEBUG_S3C_UART1
 349         default "2" if DEBUG_S3C_UART2
 350         default "3" if DEBUG_S3C_UART3
 351
 352 endmenu
 353 endif