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1* D-Link DIR-685 Touchkeys2 3This is a I2C one-off touchkey controller based on the Cypress Semiconductor4CY8C214 MCU with some firmware in its internal 8KB flash. The circuit5board inside the router is named E119921.6 7The touchkey device node should be placed inside an I2C bus node.8 9Required properties:10- compatible: must be "dlink,dir685-touchkeys"11- reg: the I2C address of the touchkeys12- interrupts: reference to the interrupt number13 14Example:15 16touchkeys@26 {17 compatible = "dlink,dir685-touchkeys";18 reg = <0x26>;19 interrupt-parent = <&gpio0>;20 interrupts = <17 IRQ_TYPE_EDGE_FALLING>;21};22