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dt-bindings: power: reset: gpio-poweroff: Drop reference to pm_power_off

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pm_power_off is an implementation detail. Replace it with a more generic
description of the driver's functionality.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Guenter Roeck 2017-01-30 11:51:21 +01:00 committed by Rob Herring
parent c3b5dda04f
commit a7f5cf3801
1 changed files with 5 additions and 5 deletions
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10
Documentation/devicetree/bindings/power/reset/gpio-poweroff.txt
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@ -2,12 +2,12 @@ Driver a GPIO line that can be used to turn the power off.
The driver supports both level triggered and edge triggered power off.
At driver load time, the driver will request the given gpio line and
install a pm_power_off handler. If the optional properties 'input' is
not found, the GPIO line will be driven in the inactive
install a handler to power off the system. If the optional properties
'input' is not found, the GPIO line will be driven in the inactive
state. Otherwise its configured as an input.
When the pm_power_off is called, the gpio is configured as an output,
and drive active, so triggering a level triggered power off
When the power-off handler is called, the gpio is configured as an
output, and drive active, so triggering a level triggered power off
condition. This will also cause an inactive->active edge condition, so
triggering positive edge triggered power off. After a delay of 100ms,
the GPIO is set to inactive, thus causing an active->inactive edge,
@ -24,7 +24,7 @@ Required properties:
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
it to an output when the power-off handler is called. If this optional
property is not specified, the GPIO is initialized as an output in its
inactive state.