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# SPDX-License-Identifier: GPL-2.0
#
# Samsung SoC drivers
#
menuconfig SOC_SAMSUNG
bool "Samsung SoC driver support" if COMPILE_TEST
if SOC_SAMSUNG
# There is no need to enable these drivers for ARMv8
config EXYNOS_ASV_ARM
bool "Exynos ASV ARMv7-specific driver extensions" if COMPILE_TEST
depends on EXYNOS_CHIPID
config EXYNOS_CHIPID
tristate "Exynos ChipID controller and ASV driver"
depends on ARCH_EXYNOS || COMPILE_TEST
default ARCH_EXYNOS
select EXYNOS_ASV_ARM if ARM && ARCH_EXYNOS
select MFD_SYSCON
select SOC_BUS
help
Support for Samsung Exynos SoC ChipID and Adaptive Supply Voltage.
This driver can also be built as module (exynos_chipid).
config EXYNOS_USI
tristate "Exynos USI (Universal Serial Interface) driver"
default ARCH_EXYNOS && ARM64
depends on ARCH_EXYNOS || COMPILE_TEST
select MFD_SYSCON
help
Enable support for USI block. USI (Universal Serial Interface) is an
IP-core found in modern Samsung Exynos SoCs, like Exynos850 and
ExynosAutoV9. USI block can be configured to provide one of the
following serial protocols: UART, SPI or High Speed I2C.
This driver allows one to configure USI for desired protocol, which
is usually done in USI node in Device Tree.
config EXYNOS_PMU
bool "Exynos PMU controller driver" if COMPILE_TEST
depends on ARCH_EXYNOS || ((ARM || ARM64) && COMPILE_TEST)
select EXYNOS_PMU_ARM_DRIVERS if ARM && ARCH_EXYNOS
select MFD_CORE
# There is no need to enable these drivers for ARMv8
config EXYNOS_PMU_ARM_DRIVERS
bool "Exynos PMU ARMv7-specific driver extensions" if COMPILE_TEST
depends on EXYNOS_PMU
config EXYNOS_PM_DOMAINS
bool "Exynos PM domains" if COMPILE_TEST
depends on (ARCH_EXYNOS && PM_GENERIC_DOMAINS) || COMPILE_TEST
config SAMSUNG_PM_DEBUG
bool "Samsung PM Suspend debug"
depends on PM && DEBUG_KERNEL
depends on PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210
depends on DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
depends on DEBUG_LL && MMU
help
Say Y here if you want verbose debugging from the PM Suspend and
Resume code. See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
for more information.
config S3C_PM_DEBUG_LED_SMDK
bool "SMDK LED suspend/resume debugging"
depends on PM && (MACH_SMDK6410)
help
Say Y here to enable the use of the SMDK LEDs on the baseboard
for debugging of the state of the suspend and resume process.
Note, this currently only works for S3C64XX based SMDK boards.
config SAMSUNG_PM_CHECK
bool "S3C2410 PM Suspend Memory CRC"
depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210)
select CRC32
help
Enable the PM code's memory area checksum over sleep. This option
will generate CRCs of all blocks of memory, and store them before
going to sleep. The blocks are then checked on resume for any
errors.
Note, this can take several seconds depending on memory size
and CPU speed.
See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
config SAMSUNG_PM_CHECK_CHUNKSIZE
int "S3C2410 PM Suspend CRC Chunksize (KiB)"
depends on PM && SAMSUNG_PM_CHECK
default 64
help
Set the chunksize in Kilobytes of the CRC for checking memory
corruption over suspend and resume. A smaller value will mean that
the CRC data block will take more memory, but will identify any
faults with better precision.
See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
config EXYNOS_REGULATOR_COUPLER
bool "Exynos SoC Regulator Coupler" if COMPILE_TEST
depends on ARCH_EXYNOS || COMPILE_TEST
endif
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