196ff0f5cSJamie Lentinmenuconfig POWER_RESET 296ff0f5cSJamie Lentin bool "Board level reset or power off" 396ff0f5cSJamie Lentin help 496ff0f5cSJamie Lentin Provides a number of drivers which either reset a complete board 596ff0f5cSJamie Lentin or shut it down, by manipulating the main power supply on the board. 696ff0f5cSJamie Lentin 796ff0f5cSJamie Lentin Say Y here to enable board reset and power off 896ff0f5cSJamie Lentin 996ff0f5cSJamie Lentinconfig POWER_RESET_GPIO 1096ff0f5cSJamie Lentin bool "GPIO power-off driver" 1196ff0f5cSJamie Lentin depends on OF_GPIO && POWER_RESET 1296ff0f5cSJamie Lentin help 1396ff0f5cSJamie Lentin This driver supports turning off your board via a GPIO line. 1496ff0f5cSJamie Lentin If your board needs a GPIO high/low to power down, say Y and 1596ff0f5cSJamie Lentin create a binding in your devicetree. 16e8fc721aSAndrew Lunn 17e8fc721aSAndrew Lunnconfig POWER_RESET_QNAP 18e8fc721aSAndrew Lunn bool "QNAP power-off driver" 19e8fc721aSAndrew Lunn depends on OF_GPIO && POWER_RESET && PLAT_ORION 20e8fc721aSAndrew Lunn help 21e8fc721aSAndrew Lunn This driver supports turning off QNAP NAS devices by sending 22e8fc721aSAndrew Lunn commands to the microcontroller which controls the main power. 23e8fc721aSAndrew Lunn 24e8fc721aSAndrew Lunn Say Y if you have a QNAP NAS. 25ffd8f9a7SAndrew Lunn 26ffd8f9a7SAndrew Lunnconfig POWER_RESET_RESTART 27ffd8f9a7SAndrew Lunn bool "Restart power-off driver" 28ffd8f9a7SAndrew Lunn depends on ARM 29ffd8f9a7SAndrew Lunn help 30ffd8f9a7SAndrew Lunn Some boards don't actually have the ability to power off. 31ffd8f9a7SAndrew Lunn Instead they restart, and u-boot holds the SoC until the 32ffd8f9a7SAndrew Lunn user presses a key. u-boot then boots into Linux. 33