5e512d0785
This is stuff that does not fit well into another category and in
particular is not related to a particular board. The largest part
in here is extending the am33xx support in the omap platform.
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm soc-specific updates from Arnd Bergmann:
"This is stuff that does not fit well into another category and in
particular is not related to a particular board. The largest part in
here is extending the am33xx support in the omap platform."
Fix up trivial conflicts in arch/arm/mach-{imx/mach-mx35_3ds.c, tegra/Makefile}
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
ARM: LPC32xx: Add PWM support
ARM: LPC32xx: Add PWM clock
ARM: LPC32xx: Set system serial based on cpu unique id
ARM: vexpress: Config option for early printk console
ARM: vexpress: Add Device Tree for V2P-CA15_CA7 core tile
ARM: vexpress: Convert V2P-CA15 Device Tree to 64 bit addresses
ARM: vexpress: Add fixed regulator for SMSC
ARM: vexpress: Add missing SP804 interrupt in motherboard's DTS files
ARM: vexpress: Initial common clock support
ARM: SAMSUNG: Introduce Kconfig variable for Samsung custom clk API
ARM: EXYNOS: Add missing static storage class specifier in pmu.c file
ARM: EXYNOS: Make combiner_init function static
ARM: EXYNOS: Update HSOTG PHY clock setting for EXYNOS4X12
ARM: versatile: Make plat-versatile clock optional
ARM: vexpress: Check master site in daughterboard's sysctl operations
ARM: vexpress: remove automatic errata workaround selection
ARM: LPC32xx: Adjust to pl08x DMA interface changes
ARM: EXYNOS: Clear SYS_WDTRESET bit to use watchdog reset
ARM: imx: fix mx51 ehci setup errors
ARM: imx: make ehci power/oc polarities configurable
...
506 lines
11 KiB
Plaintext
506 lines
11 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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select GENERIC_IRQ_CHIP
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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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config PLAT_S5P
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bool
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depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
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default y
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select ARM_VIC if !ARCH_EXYNOS
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select ARM_GIC if ARCH_EXYNOS
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select GIC_NON_BANKED if ARCH_EXYNOS4
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select NO_IOPORT
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select ARCH_REQUIRE_GPIOLIB
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select S3C_GPIO_TRACK
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select S5P_GPIO_DRVSTR
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select SAMSUNG_GPIOLIB_4BIT
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select PLAT_SAMSUNG
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select SAMSUNG_CLKSRC
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select SAMSUNG_IRQ_VIC_TIMER
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help
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Base platform code for Samsung's S5P series SoC.
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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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# timer options
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config S5P_HRT
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bool
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select SAMSUNG_DEV_PWM
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help
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Use the High Resolution timer support
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# clock options
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config SAMSUNG_CLOCK
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bool
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default y if !COMMON_CLK
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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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config S5P_CLOCK
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def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
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help
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Support common clock part for ARCH_S5P and ARCH_EXYNOS SoCs
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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 S5P_IRQ
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def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
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help
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Support common interrup part for ARCH_S5P and ARCH_EXYNOS SoCs
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config S5P_EXT_INT
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bool
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help
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Use the external interrupts (other than GPIO interrupts.)
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Note: Do not choose this for S5P6440 and S5P6450.
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config S5P_GPIO_INT
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bool
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help
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Common code for the GPIO interrupts (other than external interrupts.)
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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_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 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 128 if SAMSUNG_GPIO_EXTRA128
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default 64 if SAMSUNG_GPIO_EXTRA64
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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 SAMSUNG_GPIO_EXTRA64
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bool
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config SAMSUNG_GPIO_EXTRA128
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bool
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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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# uart options
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config S5P_DEV_UART
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def_bool y
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depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
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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_S3C24XX
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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_SPI0
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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 controller 0
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config S3C64XX_DEV_SPI1
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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 controller 1
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config S3C64XX_DEV_SPI2
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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 controller 2
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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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config SAMSUNG_DEV_PWM
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bool
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default y if ARCH_S3C24XX
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help
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Compile in platform device definition for PWM Timer
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config SAMSUNG_DEV_BACKLIGHT
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bool
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depends on SAMSUNG_DEV_PWM
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help
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Compile in platform device definition LCD backlight with PWM Timer
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config S5P_DEV_CSIS0
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bool
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help
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Compile in platform device definitions for MIPI-CSIS channel 0
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config S5P_DEV_CSIS1
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bool
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help
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Compile in platform device definitions for MIPI-CSIS channel 1
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config S5P_DEV_FIMC0
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bool
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help
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Compile in platform device definitions for FIMC controller 0
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config S5P_DEV_FIMC1
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bool
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help
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Compile in platform device definitions for FIMC controller 1
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config S5P_DEV_FIMC2
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bool
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help
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Compile in platform device definitions for FIMC controller 2
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config S5P_DEV_FIMC3
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bool
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help
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Compile in platform device definitions for FIMC controller 3
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config S5P_DEV_FIMD0
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bool
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help
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Compile in platform device definitions for FIMD controller 0
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config S5P_DEV_G2D
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bool
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help
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Compile in platform device definitions for G2D device
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config S5P_DEV_I2C_HDMIPHY
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bool
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help
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Compile in platform device definitions for I2C HDMIPHY controller
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config S5P_DEV_JPEG
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bool
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help
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Compile in platform device definitions for JPEG codec
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config S5P_DEV_MFC
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bool
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help
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Compile in setup memory (init) code for MFC
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config S5P_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 S5P_DEV_TV
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bool
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help
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Compile in platform device definition for TV interface
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config S5P_DEV_USB_EHCI
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bool
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help
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Compile in platform device definition for USB EHCI
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config S3C24XX_PWM
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bool "PWM device support"
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select HAVE_PWM
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help
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Support for exporting the PWM timer blocks via the pwm device
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system
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config S5P_SETUP_MIPIPHY
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bool
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help
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Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices
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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 SAMSUNG_DMADEV
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bool
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select DMADEVICES
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select PL330_DMA if (ARCH_EXYNOS5 || ARCH_EXYNOS4 || CPU_S5PV210 || CPU_S5PC100 || \
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CPU_S5P6450 || CPU_S5P6440)
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select ARM_AMBA
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help
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Use DMA device engine 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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select DEBUG_LL
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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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config S5P_PM
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bool
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help
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Common code for power management support on S5P and newer SoCs
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Note: Do not select this for S5P6440 and S5P6450.
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config S5P_SLEEP
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bool
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help
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Internal config node to apply common S5P sleep management code.
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Can be selected by S5P and newer SoCs with similar sleep procedure.
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config DEBUG_S3C_UART
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depends on PLAT_SAMSUNG
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int
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default "0" if DEBUG_S3C_UART0
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default "1" if DEBUG_S3C_UART1
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default "2" if DEBUG_S3C_UART2
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endif
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