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Subject[PATCH v4 2/3] Input: gpio-keys - allow setting wakeup event action in DT
Date
Allow specifying event actions to trigger wakeup when using the
gpio-keys input device as a wakeup source.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---

Changes in v4: None
Changes in v3: None
Changes in v2:
Specify wakeup event action instead of irq trigger type as Brian
suggested.

Documentation/devicetree/bindings/input/gpio-keys.txt | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt
index a94940481e55..996ce84352cb 100644
--- a/Documentation/devicetree/bindings/input/gpio-keys.txt
+++ b/Documentation/devicetree/bindings/input/gpio-keys.txt
@@ -26,6 +26,14 @@ Optional subnode-properties:
If not specified defaults to 5.
- wakeup-source: Boolean, button can wake-up the system.
(Legacy property supported: "gpio-key,wakeup")
+ - wakeup-event-action: Specifies whether the key should wake the
+ system when asserted, when deasserted, or both. This property is
+ only valid for keys that wake up the system (e.g., when the
+ "wakeup-source" property is also provided).
+ Supported values are defined in linux-event-codes.h:
+ EV_ACT_ASSERTED - asserted
+ EV_ACT_DEASSERTED - deasserted
+ EV_ACT_ANY - both asserted and deasserted
- linux,can-disable: Boolean, indicates that button is connected
to dedicated (not shared) interrupt which can be disabled to
suppress events from the button.
--
2.11.0

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