* STMPE Keypad

Required properties:
 - compatible               : "st,stmpe-keypad"
 - linux,keymap             : See ./matrix-keymap.txt

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

Example:

	stmpe_keypad {
		compatible = "st,stmpe-keypad";

		debounce-interval = <64>;
		st,scan-count = <8>;
		st,no-autorepeat;

		linux,keymap = <0x205006b
				0x4010074
				0x3050072
				0x1030004
				0x502006a
				0x500000a
				0x5008b
				0x706001c
				0x405000b
				0x6070003
				0x3040067
				0x303006c
				0x60400e7
				0x602009e
				0x4020073
				0x5050002
				0x4030069
				0x3020008>;
	};