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| author | Sourav Poddar <sourav.poddar@ti.com> | 2012-07-13 00:10:47 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-07-17 23:16:07 -0700 |
| commit | 13987435cc28eab6e562e878e71b521e7ef5c860 (patch) | |
| tree | 92283f54561ec3c7499a736efbbb97499594f447 /Documentation/devicetree | |
| parent | 8a90c034ae0d4282e2aeb9cf8311dc90c855d815 (diff) | |
| download | linux-3.10-13987435cc28eab6e562e878e71b521e7ef5c860.tar.gz linux-3.10-13987435cc28eab6e562e878e71b521e7ef5c860.tar.bz2 linux-3.10-13987435cc28eab6e562e878e71b521e7ef5c860.zip | |
Input: omap4-keypad - add device tree support
Add device tree support for omap4 keypad driver and update the
Documentation with omap4 keypad device tree binding information.
Tested on omap4430 sdp.
Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree')
| -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; + }; |