linux/Documentation/devicetree/bindings/input/fsl-mma8450.txt
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Prefs
   1* Freescale MMA8450 3-Axis Accelerometer
   2
   3Required properties:
   4- compatible : "fsl,mma8450".
   5- reg: the I2C address of MMA8450
   6
   7Example:
   8
   9accelerometer: mma8450@1c {
  10        compatible = "fsl,mma8450";
  11        reg = <0x1c>;
  12};
  13