From 13987435cc28eab6e562e878e71b521e7ef5c860 Mon Sep 17 00:00:00 2001 From: Sourav Poddar Date: Fri, 13 Jul 2012 00:10:47 -0700 Subject: 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 Signed-off-by: Dmitry Torokhov --- .../devicetree/bindings/input/omap-keypad.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/omap-keypad.txt (limited to 'Documentation/devicetree/bindings/input/omap-keypad.txt') 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; + }; -- cgit v1.2.3