1This binding is based on the matrix-keymap binding with the following 2changes: 3 4keypad,num-rows and keypad,num-columns are required. 5 6Required properties: 7- compatible: "ti,tca8418" 8- reg: the I2C address 9- interrupts: IRQ line number, should trigger on falling edge 10- linux,keymap: Keys definitions, see keypad-matrix. 11