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* Maxim Integrated DS1803 digital potentiometer driver

The node for this driver must be a child node of a I2C controller, hence
all mandatory properties for your controller must be specified. See directory:

        Documentation/devicetree/bindings/i2c

for more details.

Required properties:
	- compatible:  	Must be one of the following, depending on the
			model:
			"maxim,ds1803-010",
			"maxim,ds1803-050",
			"maxim,ds1803-100"

Example:
ds1803: ds1803@1 {
	reg = <0x28>;
	compatible = "maxim,ds1803-010";
};