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 ATAGS
  43         help
  44            This option enables ATAGS based boot support code for
  45            Samsung platforms, including static platform devices, legacy
  46            clock, timer and interrupt initialization, etc.
  47
  48            Platforms that support only DT based boot need not to select
  49            this option.
  50
  51 if SAMSUNG_ATAGS
  52
  53 config S3C_GPIO_SPACE
  54         int "Space between gpio banks"
  55         default 0
  56         help
  57           Add a number of spare GPIO entries between each bank for debugging
  58           purposes. This allows any problems where an counter overflows from
  59           one bank to another to be caught, at the expense of using a little
  60           more memory.
  61
  62 config S3C_GPIO_TRACK
  63         bool
  64         help
  65           Internal configuration option to enable the s3c specific gpio
  66           chip tracking if the platform requires it.
  67
  68 # ADC driver
  69
  70 config S3C_ADC
  71         bool "ADC common driver support"
  72         depends on !ARCH_MULTIPLATFORM
  73         help
  74           Core support for the ADC block found in the Samsung SoC systems
  75           for drivers such as the touchscreen and hwmon to use to share
  76           this resource.
  77
  78 # device definitions to compile in
  79
  80 config S3C_DEV_HSMMC
  81         bool
  82         help
  83           Compile in platform device definitions for HSMMC code
  84
  85 config S3C_DEV_HSMMC1
  86         bool
  87         help
  88           Compile in platform device definitions for HSMMC channel 1
  89
  90 config S3C_DEV_HSMMC2
  91         bool
  92         help
  93           Compile in platform device definitions for HSMMC channel 2
  94
  95 config S3C_DEV_HSMMC3
  96         bool
  97         help
  98           Compile in platform device definitions for HSMMC channel 3
  99
 100 config S3C_DEV_HWMON
 101         bool
 102         help
 103             Compile in platform device definitions for HWMON
 104
 105 config S3C_DEV_I2C1
 106         bool
 107         help
 108           Compile in platform device definitions for I2C channel 1
 109
 110 config S3C_DEV_I2C2
 111         bool
 112         help
 113           Compile in platform device definitions for I2C channel 2
 114
 115 config S3C_DEV_I2C3
 116         bool
 117         help
 118           Compile in platform device definition for I2C controller 3
 119
 120 config S3C_DEV_I2C4
 121         bool
 122         help
 123           Compile in platform device definition for I2C controller 4
 124
 125 config S3C_DEV_I2C5
 126         bool
 127         help
 128           Compile in platform device definition for I2C controller 5
 129
 130 config S3C_DEV_I2C6
 131         bool
 132         help
 133           Compile in platform device definition for I2C controller 6
 134
 135 config S3C_DEV_I2C7
 136         bool
 137         help
 138           Compile in platform device definition for I2C controller 7
 139
 140 config S3C_DEV_FB
 141         bool
 142         help
 143           Compile in platform device definition for framebuffer
 144
 145 config S3C_DEV_USB_HOST
 146         bool
 147         help
 148           Compile in platform device definition for USB host.
 149
 150 config S3C_DEV_USB_HSOTG
 151         bool
 152         help
 153           Compile in platform device definition for USB high-speed OtG
 154
 155 config S3C_DEV_WDT
 156         bool
 157         default y if ARCH_S3C24XX
 158         help
 159           Complie in platform device definition for Watchdog Timer
 160
 161 config S3C_DEV_NAND
 162         bool
 163         help
 164           Compile in platform device definition for NAND controller
 165
 166 config S3C_DEV_ONENAND
 167         bool
 168         help
 169           Compile in platform device definition for OneNAND controller
 170
 171 config S3C_DEV_RTC
 172         bool
 173         help
 174           Complie in platform device definition for RTC
 175
 176 config SAMSUNG_DEV_ADC
 177         bool
 178         help
 179           Compile in platform device definition for ADC controller
 180
 181 config SAMSUNG_DEV_IDE
 182         bool
 183         help
 184           Compile in platform device definitions for IDE
 185
 186 config S3C64XX_DEV_SPI0
 187         bool
 188         help
 189           Compile in platform device definitions for S3C64XX's type
 190           SPI controller 0
 191
 192 config S3C64XX_DEV_SPI1
 193         bool
 194         help
 195           Compile in platform device definitions for S3C64XX's type
 196           SPI controller 1
 197
 198 config S3C64XX_DEV_SPI2
 199         bool
 200         help
 201           Compile in platform device definitions for S3C64XX's type
 202           SPI controller 2
 203
 204 config SAMSUNG_DEV_TS
 205         bool
 206         help
 207             Common in platform device definitions for touchscreen device
 208
 209 config SAMSUNG_DEV_KEYPAD
 210         bool
 211         help
 212           Compile in platform device definitions for keypad
 213
 214 config SAMSUNG_DEV_PWM
 215         bool
 216         default y if ARCH_S3C24XX
 217         help
 218           Compile in platform device definition for PWM Timer
 219
 220 config S3C24XX_PWM
 221         bool "PWM device support"
 222         select PWM
 223         select PWM_SAMSUNG
 224         help
 225           Support for exporting the PWM timer blocks via the pwm device
 226           system
 227
 228 config GPIO_SAMSUNG
 229         def_bool y
 230
 231 config SAMSUNG_PM_GPIO
 232         bool
 233         default y if GPIO_SAMSUNG && PM
 234         help
 235           Include legacy GPIO power management code for platforms not using
 236           pinctrl-samsung driver.
 237 endif
 238
 239 comment "Power management"
 240
 241 config SAMSUNG_PM_DEBUG
 242         bool "Samsung PM Suspend debug"
 243         depends on PM && DEBUG_KERNEL
 244         depends on DEBUG_EXYNOS_UART || DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
 245         help
 246           Say Y here if you want verbose debugging from the PM Suspend and
 247           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 248           for more information.
 249
 250 config S3C_PM_DEBUG_LED_SMDK
 251        bool "SMDK LED suspend/resume debugging"
 252        depends on PM && (MACH_SMDK6410)
 253        help
 254          Say Y here to enable the use of the SMDK LEDs on the baseboard
 255          for debugging of the state of the suspend and resume process.
 256
 257          Note, this currently only works for S3C64XX based SMDK boards.
 258
 259 config SAMSUNG_PM_CHECK
 260         bool "S3C2410 PM Suspend Memory CRC"
 261         depends on PM
 262         select CRC32
 263         help
 264           Enable the PM code's memory area checksum over sleep. This option
 265           will generate CRCs of all blocks of memory, and store them before
 266           going to sleep. The blocks are then checked on resume for any
 267           errors.
 268
 269           Note, this can take several seconds depending on memory size
 270           and CPU speed.
 271
 272           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 273
 274 config SAMSUNG_PM_CHECK_CHUNKSIZE
 275         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
 276         depends on PM && SAMSUNG_PM_CHECK
 277         default 64
 278         help
 279           Set the chunksize in Kilobytes of the CRC for checking memory
 280           corruption over suspend and resume. A smaller value will mean that
 281           the CRC data block will take more memory, but wil identify any
 282           faults with better precision.
 283
 284           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 285
 286 config SAMSUNG_WAKEMASK
 287         bool
 288         depends on PM
 289         help
 290           Compile support for wakeup-mask controls found on the S3C6400
 291           and above. This code allows a set of interrupt to wakeup-mask
 292           mappings. See <plat/wakeup-mask.h>
 293
 294 config SAMSUNG_WDT_RESET
 295         bool
 296         help
 297           Compile support for system restart by triggering watchdog reset.
 298           Used on SoCs that do not provide dedicated reset control.
 299
 300 config DEBUG_S3C_UART
 301         depends on PLAT_SAMSUNG
 302         int
 303         default "0" if DEBUG_S3C_UART0
 304         default "1" if DEBUG_S3C_UART1
 305         default "2" if DEBUG_S3C_UART2
 306         default "3" if DEBUG_S3C_UART3
 307
 308 endmenu
 309 endif