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1* TI's Keypad Controller device tree bindings2 3TI's Keypad controller is used to interface a SoC with a matrix-type4keypad 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 the7event using a interrupt to the cpu.8 9This binding is based on the matrix-keymap binding with the following10changes:11 12keypad,num-rows and keypad,num-columns are required.13 14Required SoC Specific Properties:15- compatible: should be one of the following16 - "ti,omap4-keypad": For controllers compatible with omap4 keypad17 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 };29