351 lines
7.9 KiB
Plaintext
351 lines
7.9 KiB
Plaintext
# arch/arm/plat-samsung/Kconfig
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#
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# Copyright 2009 Simtec Electronics
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#
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# Licensed under GPLv2
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config PLAT_SAMSUNG
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bool
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depends on PLAT_S3C24XX || ARCH_S3C64XX || PLAT_S5P
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select NO_IOPORT
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default y
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help
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Base platform code for all Samsung SoC based systems
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if PLAT_SAMSUNG
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# boot configurations
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comment "Boot options"
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config S3C_BOOT_WATCHDOG
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bool "S3C Initialisation watchdog"
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depends on S3C2410_WATCHDOG
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help
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Say y to enable the watchdog during the kernel decompression
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stage. If the kernel fails to uncompress, then the watchdog
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will trigger a reset and the system should restart.
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config S3C_BOOT_ERROR_RESET
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bool "S3C Reboot on decompression error"
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help
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Say y here to use the watchdog to reset the system if the
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kernel decompressor detects an error during decompression.
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config S3C_BOOT_UART_FORCE_FIFO
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bool "Force UART FIFO on during boot process"
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default y
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help
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Say Y here to force the UART FIFOs on during the kernel
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uncompressor
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config S3C_LOWLEVEL_UART_PORT
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int "S3C UART to use for low-level messages"
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default 0
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help
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Choice of which UART port to use for the low-level messages,
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such as the `Uncompressing...` at start time. The value of
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this configuration should be between zero and two. The port
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must have been initialised by the boot-loader before use.
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# clock options
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config SAMSUNG_CLKSRC
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bool
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help
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Select the clock code for the clksrc implementation
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used by newer systems such as the S3C64XX.
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# options for IRQ support
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config SAMSUNG_IRQ_VIC_TIMER
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bool
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help
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Internal configuration to build the VIC timer interrupt code.
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config SAMSUNG_IRQ_UART
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bool
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help
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Internal configuration to build the IRQ UART demux code.
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# options for gpio configuration support
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config SAMSUNG_GPIOLIB_4BIT
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bool
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help
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GPIOlib file contains the 4 bit modification functions for gpio
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configuration. GPIOlib shall be compiled only for S3C64XX and S5P
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series of processors.
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config S3C_GPIO_CFG_S3C24XX
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bool
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help
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Internal configuration to enable S3C24XX style GPIO configuration
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functions.
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config S3C_GPIO_CFG_S3C64XX
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bool
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help
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Internal configuration to enable S3C64XX style GPIO configuration
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functions.
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config S3C_GPIO_PULL_UPDOWN
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bool
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help
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Internal configuration to enable the correct GPIO pull helper
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config S3C_GPIO_PULL_S3C2443
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bool
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select S3C_GPIO_PULL_UPDOWN
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help
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Internal configuration to enable the correct GPIO pull helper for S3C2443-style GPIO
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config S3C_GPIO_PULL_DOWN
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bool
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help
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Internal configuration to enable the correct GPIO pull helper
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config S3C_GPIO_PULL_UP
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bool
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help
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Internal configuration to enable the correct GPIO pull helper
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config S5P_GPIO_DRVSTR
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bool
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help
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Internal configuration to get and set correct GPIO driver strength
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helper
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config SAMSUNG_GPIO_EXTRA
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int "Number of additional GPIO pins"
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default 0
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help
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Use additional GPIO space in addition to the GPIO's the SOC
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provides. This allows expanding the GPIO space for use with
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GPIO expanders.
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config S3C_GPIO_SPACE
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int "Space between gpio banks"
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default 0
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help
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Add a number of spare GPIO entries between each bank for debugging
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purposes. This allows any problems where an counter overflows from
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one bank to another to be caught, at the expense of using a little
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more memory.
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config S3C_GPIO_TRACK
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bool
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help
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Internal configuration option to enable the s3c specific gpio
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chip tracking if the platform requires it.
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# ADC driver
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config S3C_ADC
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bool "ADC common driver support"
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help
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Core support for the ADC block found in the Samsung SoC systems
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for drivers such as the touchscreen and hwmon to use to share
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this resource.
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# device definitions to compile in
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config S3C_DEV_HSMMC
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bool
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help
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Compile in platform device definitions for HSMMC code
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config S3C_DEV_HSMMC1
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bool
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help
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Compile in platform device definitions for HSMMC channel 1
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config S3C_DEV_HSMMC2
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bool
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help
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Compile in platform device definitions for HSMMC channel 2
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config S3C_DEV_HSMMC3
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bool
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help
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Compile in platform device definitions for HSMMC channel 3
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config S3C_DEV_HWMON
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bool
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help
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Compile in platform device definitions for HWMON
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config S3C_DEV_I2C1
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bool
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help
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Compile in platform device definitions for I2C channel 1
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config S3C_DEV_I2C2
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bool
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help
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Compile in platform device definitions for I2C channel 2
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config S3C_DEV_I2C3
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bool
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help
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Compile in platform device definition for I2C controller 3
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config S3C_DEV_I2C4
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bool
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help
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Compile in platform device definition for I2C controller 4
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config S3C_DEV_I2C5
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bool
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help
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Compile in platform device definition for I2C controller 5
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config S3C_DEV_I2C6
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bool
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help
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Compile in platform device definition for I2C controller 6
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config S3C_DEV_I2C7
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bool
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help
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Compile in platform device definition for I2C controller 7
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config S3C_DEV_FB
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bool
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help
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Compile in platform device definition for framebuffer
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config S3C_DEV_USB_HOST
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bool
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help
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Compile in platform device definition for USB host.
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config S3C_DEV_USB_HSOTG
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bool
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help
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Compile in platform device definition for USB high-speed OtG
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config S3C_DEV_WDT
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bool
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default y if ARCH_S3C2410
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help
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Complie in platform device definition for Watchdog Timer
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config S3C_DEV_NAND
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bool
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help
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Compile in platform device definition for NAND controller
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config S3C_DEV_ONENAND
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bool
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help
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Compile in platform device definition for OneNAND controller
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config S3C_DEV_RTC
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bool
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help
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Complie in platform device definition for RTC
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config SAMSUNG_DEV_ADC
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bool
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help
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Compile in platform device definition for ADC controller
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config SAMSUNG_DEV_IDE
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bool
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help
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Compile in platform device definitions for IDE
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config S3C64XX_DEV_SPI
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bool
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help
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Compile in platform device definitions for S3C64XX's type
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SPI controllers.
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config SAMSUNG_DEV_TS
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bool
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help
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Common in platform device definitions for touchscreen device
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config SAMSUNG_DEV_KEYPAD
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bool
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help
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Compile in platform device definitions for keypad
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# DMA
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config S3C_DMA
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bool
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help
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Internal configuration for S3C DMA core
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config S3C_PL330_DMA
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bool
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select PL330
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help
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S3C DMA API Driver for PL330 DMAC.
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comment "Power management"
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config SAMSUNG_PM_DEBUG
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bool "S3C2410 PM Suspend debug"
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depends on PM
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help
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Say Y here if you want verbose debugging from the PM Suspend and
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Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
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for more information.
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config S3C_PM_DEBUG_LED_SMDK
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bool "SMDK LED suspend/resume debugging"
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depends on PM && (MACH_SMDK6410)
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help
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Say Y here to enable the use of the SMDK LEDs on the baseboard
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for debugging of the state of the suspend and resume process.
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Note, this currently only works for S3C64XX based SMDK boards.
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config SAMSUNG_PM_CHECK
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bool "S3C2410 PM Suspend Memory CRC"
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depends on PM && CRC32
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help
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Enable the PM code's memory area checksum over sleep. This option
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will generate CRCs of all blocks of memory, and store them before
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going to sleep. The blocks are then checked on resume for any
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errors.
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Note, this can take several seconds depending on memory size
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and CPU speed.
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See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
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config SAMSUNG_PM_CHECK_CHUNKSIZE
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int "S3C2410 PM Suspend CRC Chunksize (KiB)"
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depends on PM && SAMSUNG_PM_CHECK
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default 64
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help
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Set the chunksize in Kilobytes of the CRC for checking memory
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corruption over suspend and resume. A smaller value will mean that
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the CRC data block will take more memory, but wil identify any
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faults with better precision.
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See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
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config SAMSUNG_WAKEMASK
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bool
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depends on PM
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help
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Compile support for wakeup-mask controls found on the S3C6400
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and above. This code allows a set of interrupt to wakeup-mask
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mappings. See <plat/wakeup-mask.h>
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comment "Power Domain"
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config SAMSUNG_PD
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bool "Samsung Power Domain"
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depends on PM_RUNTIME
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help
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Say Y here if you want to control Power Domain by Runtime PM.
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endif
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