retu.txt

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

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/mfd/retu.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/mfd/retu.txt