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author | Anton Arapov <anton@redhat.com> | 2012-10-29 11:15:37 +0100 |
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committer | Anton Arapov <anton@redhat.com> | 2012-10-29 11:15:37 +0100 |
commit | 7d558cd9c7b18e4b16953265aa0da45e63f3b968 (patch) | |
tree | 7135d5a810768c9c619346282ee9cfdf1765e225 /Documentation/devicetree/bindings/input/omap-keypad.txt | |
parent | 985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2 (diff) | |
download | kernel-uprobes-7d558cd9c7b18e4b16953265aa0da45e63f3b968.tar.gz kernel-uprobes-7d558cd9c7b18e4b16953265aa0da45e63f3b968.tar.xz kernel-uprobes-7d558cd9c7b18e4b16953265aa0da45e63f3b968.zip |
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'Documentation/devicetree/bindings/input/omap-keypad.txt')
-rw-r--r-- | Documentation/devicetree/bindings/input/omap-keypad.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/omap-keypad.txt b/Documentation/devicetree/bindings/input/omap-keypad.txt new file mode 100644 index 00000000000..f2fa5e10493 --- /dev/null +++ b/Documentation/devicetree/bindings/input/omap-keypad.txt @@ -0,0 +1,31 @@ +* TI's Keypad Controller device tree bindings + +TI's Keypad controller is used to interface a SoC with a matrix-type +keypad device. The keypad controller supports multiple row and column lines. +A key can be placed at each intersection of a unique row and a unique column. +The keypad controller can sense a key-press and key-release and report the +event using a interrupt to the cpu. + +Required SoC Specific Properties: +- compatible: should be one of the following + - "ti,omap4-keypad": For controllers compatible with omap4 keypad + controller. + +Required Board Specific Properties, in addition to those specified by +the shared matrix-keyboard bindings: +- keypad,num-rows: Number of row lines connected to the keypad + controller. + +- keypad,num-columns: Number of column lines connected to the + keypad controller. + +Optional Properties specific to linux: +- linux,keypad-no-autorepeat: do no enable autorepeat feature. + +Example: + keypad@4ae1c000{ + compatible = "ti,omap4-keypad"; + keypad,num-rows = <2>; + keypad,num-columns = <8>; + linux,keypad-no-autorepeat; + }; |