bindings/mfd/retu.txt

0001 * Device tree bindings for Nokia Retu and Tahvo multi-function device
0002
0003 Retu and Tahvo are a multi-function devices found on Nokia Internet
0004 Tablets (770, N800 and N810). The Retu chip provides watchdog timer
0005 and power button control functionalities while Tahvo chip provides
0006 USB transceiver functionality.
0007
0008 Required properties:
0009 - compatible:           "nokia,retu" or "nokia,tahvo"
0010 - reg:                  Specifies the CBUS slave address of the ASIC chip
0011 - interrupts:           The interrupt line the device is connected to
0012
0013 Example:
0014
0015 cbus0 {
0016         compatible = "i2c-cbus-gpio";
0017         ...
0018         retu: retu@1 {
0019                 compatible = "nokia,retu";
0020                 interrupt-parent = <&gpio4>;
0021                 interrupts = <12 IRQ_TYPE_EDGE_RISING>;
0022                 reg = <0x1>;
0023         };
0024 };