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authorLinus Walleij <linus.walleij@linaro.org>2015-01-20 11:03:07 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-01-20 11:03:07 +0100
commitee65ef609aa81539ac3792df88f04bfe29a77546 (patch)
tree6816eaa3d45fa1078408f2ccfa5f88d32733d1d9 /Documentation/devicetree/bindings/input/gpio-keys.txt
parentDocumentation: gpio: Add APM X-Gene standby GPIO controller DTS binding (diff)
parentLinux 3.19-rc5 (diff)
downloadlinux-ee65ef609aa81539ac3792df88f04bfe29a77546.tar.xz
linux-ee65ef609aa81539ac3792df88f04bfe29a77546.zip
Merge tag 'v3.19-rc5' into devel
Linux 3.19-rc5
Diffstat (limited to 'Documentation/devicetree/bindings/input/gpio-keys.txt')
-rw-r--r--Documentation/devicetree/bindings/input/gpio-keys.txt10
1 files changed, 7 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt
index a4a38fcf2ed6..44b705767aca 100644
--- a/Documentation/devicetree/bindings/input/gpio-keys.txt
+++ b/Documentation/devicetree/bindings/input/gpio-keys.txt
@@ -10,12 +10,13 @@ Optional properties:
Each button (key) is represented as a sub-node of "gpio-keys":
Subnode properties:
+ - gpios: OF device-tree gpio specification.
+ - interrupts: the interrupt line for that input.
- label: Descriptive name of the key.
- linux,code: Keycode to emit.
-Required mutual exclusive subnode-properties:
- - gpios: OF device-tree gpio specification.
- - interrupts: the interrupt line for that input
+Note that either "interrupts" or "gpios" properties can be omitted, but not
+both at the same time. Specifying both properties is allowed.
Optional subnode-properties:
- linux,input-type: Specify event type this button/key generates.
@@ -23,6 +24,9 @@ Optional subnode-properties:
- debounce-interval: Debouncing interval time in milliseconds.
If not specified defaults to 5.
- gpio-key,wakeup: Boolean, button can wake-up the system.
+ - linux,can-disable: Boolean, indicates that button is connected
+ to dedicated (not shared) interrupt which can be disabled to
+ suppress events from the button.
Example nodes: