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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio-poweroff.txt')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-poweroff.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt b/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt new file mode 100644 index 00000000000..558cdf3c9ab --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt @@ -0,0 +1,22 @@ +GPIO line that should be set high/low to power off a device + +Required properties: +- compatible : should be "gpio-poweroff". +- gpios : The GPIO to set high/low, see "gpios property" in + Documentation/devicetree/bindings/gpio/gpio.txt. If the pin should be + low to power down the board set it to "Active Low", otherwise set + gpio to "Active High". + +Optional properties: +- input : Initially configure the GPIO line as an input. Only reconfigure + it to an output when the pm_power_off function is called. If this optional + property is not specified, the GPIO is initialized as an output in its + inactive state. + + +Examples: + +gpio-poweroff { + compatible = "gpio-poweroff"; + gpios = <&gpio 4 0>; /* GPIO 4 Active Low */ +}; |