omap-keypad.txt (935B)
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 9This binding is based on the matrix-keymap binding with the following 10changes: 11 12keypad,num-rows and keypad,num-columns are required. 13 14Required SoC Specific Properties: 15- compatible: should be one of the following 16 - "ti,omap4-keypad": For controllers compatible with omap4 keypad 17 controller. 18 19Optional Properties specific to linux: 20- linux,keypad-no-autorepeat: do no enable autorepeat feature. 21 22Example: 23 keypad@4ae1c000{ 24 compatible = "ti,omap4-keypad"; 25 keypad,num-rows = <2>; 26 keypad,num-columns = <8>; 27 linux,keypad-no-autorepeat; 28 };