• AD7091R-5

• EVAL-AD7091R-5SDZ

The AD7091R-5 is a 12-bit, multichannel, ultralow power, successive approximation analog-to-digital converter (ADC).

Configure kernel with “make menuconfig” (alternatively use “make xconfig” or “make qconfig”)

Linux Kernel Configuration
    Device Drivers  --->
        ...
        <*>     Industrial I/O support --->
            --- Industrial I/O support
            ...
            Analog to digital converters  ---> 
                ...
                <*>   Analog Devices AD7091R5 ADC driver
                ...
            ...
        ...

• compatible: Must be “adi,ad7091r5”.
• reg: I2C address for the device.

• vref-supply: phandle + specifier to a regulator for the external VREF supply. If no external VREF is supplied this attribute should be omitted.
  see: Documentation/devicetree/bindings/regulator/regulator.txt

adc@0 {
	compatible: "adi,ad7091r5";
	reg = <0x2F>;
};