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+* Device tree bindings for Nokia Retu and Tahvo multi-function device
+
+Retu and Tahvo are a multi-function devices found on Nokia Internet
+Tablets (770, N800 and N810). The Retu chip provides watchdog timer
+and power button control functionalities while Tahvo chip provides
+USB transceiver functionality.
+
+Required properties:
+- compatible: "nokia,retu" or "nokia,tahvo"
+- reg: Specifies the CBUS slave address of the ASIC chip
+- interrupts: The interrupt line the device is connected to
+
+Example:
+
+cbus0 {
+ compatible = "i2c-cbus-gpio";
+ ...
+ retu: retu@1 {
+ compatible = "nokia,retu";
+ interrupt-parent = <&gpio4>;
+ interrupts = <12 IRQ_TYPE_EDGE_RISING>;
+ reg = <0x1>;
+ };
+};