1* TI's Keypad Controller device tree bindings
2
3TI's Keypad controller is used to interface a SoC with a matrix-type
4keypad device. The keypad controller supports multiple row and column lines.
5A key can be placed at each intersection of a unique row and a unique column.
6The keypad controller can sense a key-press and key-release and report the
7event using a interrupt to the cpu.
8
9Required SoC Specific Properties:
10- compatible: should be one of the following
11   - "ti,omap4-keypad": For controllers compatible with omap4 keypad
12      controller.
13
14Required Board Specific Properties, in addition to those specified by
15the shared matrix-keyboard bindings:
16- keypad,num-rows: Number of row lines connected to the keypad
17  controller.
18
19- keypad,num-columns: Number of column lines connected to the
20  keypad controller.
21
22Optional Properties specific to linux:
23- linux,keypad-no-autorepeat: do no enable autorepeat feature.
24
25Example:
26	keypad@4ae1c000{
27		compatible = "ti,omap4-keypad";
28		keypad,num-rows = <2>;
29		keypad,num-columns = <8>;
30		linux,keypad-no-autorepeat;
31	};
32