1# SPDX-License-Identifier: GPL-2.0 2# 3# Samsung SoC drivers 4# 5menuconfig SOC_SAMSUNG 6 bool "Samsung SoC driver support" if COMPILE_TEST 7 8if SOC_SAMSUNG 9 10# There is no need to enable these drivers for ARMv8 11config EXYNOS_ASV_ARM 12 bool "Exynos ASV ARMv7-specific driver extensions" if COMPILE_TEST 13 depends on EXYNOS_CHIPID 14 15config EXYNOS_CHIPID 16 tristate "Exynos ChipID controller and ASV driver" 17 depends on ARCH_EXYNOS || COMPILE_TEST 18 default ARCH_EXYNOS 19 select EXYNOS_ASV_ARM if ARM && ARCH_EXYNOS 20 select MFD_SYSCON 21 select SOC_BUS 22 help 23 Support for Samsung Exynos SoC ChipID and Adaptive Supply Voltage. 24 This driver can also be built as module (exynos_chipid). 25 26config EXYNOS_USI 27 tristate "Exynos USI (Universal Serial Interface) driver" 28 default ARCH_EXYNOS && ARM64 29 depends on ARCH_EXYNOS || COMPILE_TEST 30 select MFD_SYSCON 31 help 32 Enable support for USI block. USI (Universal Serial Interface) is an 33 IP-core found in modern Samsung Exynos SoCs, like Exynos850 and 34 ExynosAutoV9. USI block can be configured to provide one of the 35 following serial protocols: UART, SPI or High Speed I2C. 36 37 This driver allows one to configure USI for desired protocol, which 38 is usually done in USI node in Device Tree. 39 40config EXYNOS_PMU 41 bool "Exynos PMU controller driver" if COMPILE_TEST 42 depends on ARCH_EXYNOS || ((ARM || ARM64) && COMPILE_TEST) 43 select EXYNOS_PMU_ARM_DRIVERS if ARM && ARCH_EXYNOS 44 select MFD_CORE 45 select REGMAP_MMIO 46 47# There is no need to enable these drivers for ARMv8 48config EXYNOS_PMU_ARM_DRIVERS 49 bool "Exynos PMU ARMv7-specific driver extensions" if COMPILE_TEST 50 depends on EXYNOS_PMU 51 52config SAMSUNG_PM_CHECK 53 bool "S3C2410 PM Suspend Memory CRC" 54 depends on PM && (ARCH_S3C64XX || ARCH_S5PV210) 55 select CRC32 56 help 57 Enable the PM code's memory area checksum over sleep. This option 58 will generate CRCs of all blocks of memory, and store them before 59 going to sleep. The blocks are then checked on resume for any 60 errors. 61 62 Note, this can take several seconds depending on memory size 63 and CPU speed. 64 65config SAMSUNG_PM_CHECK_CHUNKSIZE 66 int "S3C2410 PM Suspend CRC Chunksize (KiB)" 67 depends on PM && SAMSUNG_PM_CHECK 68 default 64 69 help 70 Set the chunksize in Kilobytes of the CRC for checking memory 71 corruption over suspend and resume. A smaller value will mean that 72 the CRC data block will take more memory, but will identify any 73 faults with better precision. 74 75config EXYNOS_REGULATOR_COUPLER 76 bool "Exynos SoC Regulator Coupler" if COMPILE_TEST 77 depends on ARCH_EXYNOS || COMPILE_TEST 78endif 79