![Alexandre Belloni](/assets/img/avatar_default.png)
commit 0b0408745e
upstream.
LPDDR memories can only handle up to 400 uncontrolled power off. Ensure the
proper power off sequence is used before shutting down the platform.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
213 lines
5.6 KiB
Plaintext
213 lines
5.6 KiB
Plaintext
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 || MIPS || COMPILE_TEST
|
|
depends on MFD_SYSCON
|
|
default ARCH_BRCMSTB
|
|
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_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_IMX
|
|
bool "IMX6 power-off driver"
|
|
depends on POWER_RESET && SOC_IMX6
|
|
help
|
|
This driver support power off external PMIC by PMIC_ON_REQ on i.mx6
|
|
boards.If you want to use other pin to control external power,please
|
|
say N here or disable in dts to make sure pm_power_off never be
|
|
overwrote wrongly by this driver.
|
|
|
|
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_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.
|
|
|
|
endif
|
|
|