1*c66ec88fSEmmanuel Vadot* Microchip MCP41010/41050/41100/42010/42050/42100 Digital Potentiometer 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotDatasheet publicly available at: 4*c66ec88fSEmmanuel Vadothttps://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf 5*c66ec88fSEmmanuel Vadot 6*c66ec88fSEmmanuel VadotThe node for this driver must be a child node of a SPI controller, hence 7*c66ec88fSEmmanuel Vadotall mandatory properties described in 8*c66ec88fSEmmanuel Vadot 9*c66ec88fSEmmanuel Vadot Documentation/devicetree/bindings/spi/spi-bus.txt 10*c66ec88fSEmmanuel Vadot 11*c66ec88fSEmmanuel Vadotmust be specified. 12*c66ec88fSEmmanuel Vadot 13*c66ec88fSEmmanuel VadotRequired properties: 14*c66ec88fSEmmanuel Vadot - compatible: Must be one of the following, depending on the 15*c66ec88fSEmmanuel Vadot model: 16*c66ec88fSEmmanuel Vadot "microchip,mcp41010" 17*c66ec88fSEmmanuel Vadot "microchip,mcp41050" 18*c66ec88fSEmmanuel Vadot "microchip,mcp41100" 19*c66ec88fSEmmanuel Vadot "microchip,mcp42010" 20*c66ec88fSEmmanuel Vadot "microchip,mcp42050" 21*c66ec88fSEmmanuel Vadot "microchip,mcp42100" 22*c66ec88fSEmmanuel Vadot 23*c66ec88fSEmmanuel VadotExample: 24*c66ec88fSEmmanuel Vadotpotentiometer@0 { 25*c66ec88fSEmmanuel Vadot compatible = "microchip,mcp41010"; 26*c66ec88fSEmmanuel Vadot reg = <0>; 27*c66ec88fSEmmanuel Vadot spi-max-frequency = <500000>; 28*c66ec88fSEmmanuel Vadot}; 29