1* Device tree bindings for Nokia Retu and Tahvo multi-function device
2
3Retu and Tahvo are a multi-function devices found on Nokia Internet
4Tablets (770, N800 and N810). The Retu chip provides watchdog timer
5and power button control functionalities while Tahvo chip provides
6USB transceiver functionality.
7
8Required properties:
9- compatible:		"nokia,retu" or "nokia,tahvo"
10- reg:			Specifies the CBUS slave address of the ASIC chip
11- interrupts: 		The interrupt line the device is connected to
12- interrupt-parent:	The parent interrupt controller
13
14Example:
15
16cbus0 {
17	compatible = "i2c-cbus-gpio";
18	...
19	retu: retu@1 {
20		compatible = "nokia,retu";
21		interrupt-parent = <&gpio4>;
22		interrupts = <12 IRQ_TYPE_EDGE_RISING>;
23		reg = <0x1>;
24	};
25};
26