1* Microchip MCP41010/41050/41100/42010/42050/42100 Digital Potentiometer 2 3Datasheet publicly available at: 4https://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf 5 6The node for this driver must be a child node of a SPI controller, hence 7all mandatory properties described in 8 9 Documentation/devicetree/bindings/spi/spi-bus.txt 10 11must be specified. 12 13Required properties: 14 - compatible: Must be one of the following, depending on the 15 model: 16 "microchip,mcp41010" 17 "microchip,mcp41050" 18 "microchip,mcp41100" 19 "microchip,mcp42010" 20 "microchip,mcp42050" 21 "microchip,mcp42100" 22 23Example: 24potentiometer@0 { 25 compatible = "microchip,mcp41010"; 26 reg = <0>; 27 spi-max-frequency = <500000>; 28}; 29