path: root/Documentation
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authorDavid S. Miller <davem@davemloft.net>2015-01-06 22:29:20 -0500
committerDavid S. Miller <davem@davemloft.net>2015-01-06 22:29:20 -0500
commit44d84d7272e5848878a96029b8a8b6e86854f146 (patch)
tree91b188c0ae21255510ace7507d42cdf0e8f6f5ae /Documentation
parentnet: eth: xgene: change APM X-Gene SoC platform ethernet to support ACPI (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'Documentation')
2 files changed, 9 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:
diff --git a/Documentation/devicetree/bindings/input/stmpe-keypad.txt b/Documentation/devicetree/bindings/input/stmpe-keypad.txt
index 1b97222e8a0b..12bb771d66d4 100644
--- a/Documentation/devicetree/bindings/input/stmpe-keypad.txt
+++ b/Documentation/devicetree/bindings/input/stmpe-keypad.txt
@@ -8,6 +8,8 @@ Optional properties:
- debounce-interval : Debouncing interval time in milliseconds
- st,scan-count : Scanning cycles elapsed before key data is updated
- st,no-autorepeat : If specified device will not autorepeat
+ - keypad,num-rows : See ./matrix-keymap.txt
+ - keypad,num-columns : See ./matrix-keymap.txt