menuconfig POWER_RESET bool "Board level reset or power off" help Provides a number of drivers which either reset a complete board or shut it down, by manipulating the main power supply on the board. Say Y here to enable board reset and power off if POWER_RESET config POWER_RESET_AS3722 bool "ams AS3722 power-off driver" depends on MFD_AS3722 help This driver supports turning off board via a ams AS3722 power-off. config POWER_RESET_AT91_POWEROFF tristate "Atmel AT91 poweroff driver" depends on ARCH_AT91 default SOC_AT91SAM9 || SOC_SAMA5 help This driver supports poweroff for Atmel AT91SAM9 and SAMA5 SoCs config POWER_RESET_AT91_RESET tristate "Atmel AT91 reset driver" depends on ARCH_AT91 default SOC_AT91SAM9 || SOC_SAMA5 help This driver supports restart for Atmel AT91SAM9 and SAMA5 SoCs config POWER_RESET_AT91_SAMA5D2_SHDWC tristate "Atmel AT91 SAMA5D2-Compatible shutdown controller driver" depends on ARCH_AT91 default SOC_SAMA5 help This driver supports the alternate shutdown controller for some Atmel SAMA5 SoCs. It is present for example on SAMA5D2 SoC. config POWER_RESET_AXXIA bool "LSI Axxia reset driver" depends on ARCH_AXXIA help This driver supports restart for Axxia SoC. Say Y if you have an Axxia family SoC. config POWER_RESET_BRCMKONA bool "Broadcom Kona reset driver" depends on ARM || COMPILE_TEST default ARCH_BCM_MOBILE help This driver provides restart support for Broadcom Kona chips. Say Y here if you have a Broadcom Kona-based board and you wish to have restart support. config POWER_RESET_BRCMSTB bool "Broadcom STB reset driver" depends on ARM || ARM64 || MIPS || COMPILE_TEST depends on MFD_SYSCON default ARCH_BRCMSTB || BMIPS_GENERIC help This driver provides restart support for Broadcom STB boards. Say Y here if you have a Broadcom STB board and you wish to have restart support. config POWER_RESET_GEMINI_POWEROFF bool "Cortina Gemini power-off driver" depends on ARCH_GEMINI || COMPILE_TEST depends on OF && HAS_IOMEM default ARCH_GEMINI help This driver supports turning off the Cortina Gemini SoC. Select this if you're building a kernel with Gemini SoC support. config POWER_RESET_GPIO bool "GPIO power-off driver" depends on OF_GPIO help This driver supports turning off your board via a GPIO line. If your board needs a GPIO high/low to power down, say Y and create a binding in your devicetree. config POWER_RESET_GPIO_RESTART bool "GPIO restart driver" depends on OF_GPIO help This driver supports restarting your board via a GPIO line. If your board needs a GPIO high/low to restart, say Y and create a binding in your devicetree. config POWER_RESET_HISI bool "Hisilicon power-off driver" depends on ARCH_HISI help Reboot support for Hisilicon boards. config POWER_RESET_MSM bool "Qualcomm MSM power-off driver" depends on ARCH_QCOM help Power off and restart support for Qualcomm boards. config POWER_RESET_QCOM_PON tristate "Qualcomm power-on driver" depends on ARCH_QCOM depends on MFD_SPMI_PMIC select REBOOT_MODE help Power On support for Qualcomm boards. If you have a Qualcomm platform and need support for power-on and reboot reason, Say Y. If unsure, Say N. config POWER_RESET_OCELOT_RESET bool "Microsemi Ocelot reset driver" depends on MSCC_OCELOT || COMPILE_TEST select MFD_SYSCON help This driver supports restart for Microsemi Ocelot SoC. config POWER_RESET_PIIX4_POWEROFF tristate "Intel PIIX4 power-off driver" depends on PCI depends on MIPS || COMPILE_TEST help This driver supports powering off a system using the Intel PIIX4 southbridge, for example the MIPS Malta development board. The southbridge SOff state is entered in response to a request to power off the system. config POWER_RESET_LTC2952 bool "LTC2952 PowerPath power-off driver" depends on OF_GPIO help This driver supports an external powerdown trigger and board power down via the LTC2952. Bindings are made in the device tree. config POWER_RESET_QNAP bool "QNAP power-off driver" depends on OF_GPIO && PLAT_ORION help This driver supports turning off QNAP NAS devices by sending commands to the microcontroller which controls the main power. Say Y if you have a QNAP NAS. config POWER_RESET_RESTART bool "Restart power-off driver" help Some boards don't actually have the ability to power off. Instead they restart, and u-boot holds the SoC until the user presses a key. u-boot then boots into Linux. config POWER_RESET_ST bool "ST restart driver" depends on ARCH_STI help Reset support for STMicroelectronics boards. config POWER_RESET_VERSATILE bool "ARM Versatile family reboot driver" depends on ARM depends on MFD_SYSCON depends on OF help Power off and restart support for ARM Versatile family of reference boards. config POWER_RESET_VEXPRESS bool "ARM Versatile Express power-off and reset driver" depends on ARM || ARM64 depends on VEXPRESS_CONFIG help Power off and reset support for the ARM Ltd. Versatile Express boards. config POWER_RESET_XGENE bool "APM SoC X-Gene reset driver" depends on ARM64 help Reboot support for the APM SoC X-Gene Eval boards. config POWER_RESET_KEYSTONE bool "Keystone reset driver" depends on ARCH_KEYSTONE || COMPILE_TEST depends on HAS_IOMEM select MFD_SYSCON help Reboot support for the KEYSTONE SoCs. config POWER_RESET_SYSCON bool "Generic SYSCON regmap reset driver" depends on OF depends on HAS_IOMEM select MFD_SYSCON help Reboot support for generic SYSCON mapped register reset. config POWER_RESET_SYSCON_POWEROFF bool "Generic SYSCON regmap poweroff driver" depends on OF depends on HAS_IOMEM select MFD_SYSCON help Poweroff support for generic SYSCON mapped register poweroff. config POWER_RESET_RMOBILE tristate "Renesas R-Mobile reset driver" depends on ARCH_RMOBILE || COMPILE_TEST depends on HAS_IOMEM help Reboot support for Renesas R-Mobile and SH-Mobile SoCs. config POWER_RESET_ZX tristate "ZTE SoCs reset driver" depends on ARCH_ZX || COMPILE_TEST depends on HAS_IOMEM help Reboot support for ZTE SoCs. config REBOOT_MODE tristate config SYSCON_REBOOT_MODE tristate "Generic SYSCON regmap reboot mode driver" depends on OF depends on MFD_SYSCON select REBOOT_MODE help Say y here will enable reboot mode driver. This will get reboot mode arguments and store it in SYSCON mapped register, then the bootloader can read it to take different action according to the mode. config POWER_RESET_SC27XX bool "Spreadtrum SC27xx PMIC power-off driver" depends on MFD_SC27XX_PMIC || COMPILE_TEST help This driver supports powering off a system through Spreadtrum SC27xx series PMICs. The SC27xx series PMICs includes the SC2720, SC2721, SC2723, SC2730 and SC2731 chips. config NVMEM_REBOOT_MODE tristate "Generic NVMEM reboot mode driver" depends on OF select REBOOT_MODE help Say y here will enable reboot mode driver. This will get reboot mode arguments and store it in a NVMEM cell, then the bootloader can read it and take different action according to the mode. endif