1*4882a593Smuzhiyun* Microchip MCP41010/41050/41100/42010/42050/42100 Digital Potentiometer 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunDatasheet publicly available at: 4*4882a593Smuzhiyunhttps://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunThe node for this driver must be a child node of a SPI controller, hence 7*4882a593Smuzhiyunall mandatory properties described in 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun Documentation/devicetree/bindings/spi/spi-bus.txt 10*4882a593Smuzhiyun 11*4882a593Smuzhiyunmust be specified. 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunRequired properties: 14*4882a593Smuzhiyun - compatible: Must be one of the following, depending on the 15*4882a593Smuzhiyun model: 16*4882a593Smuzhiyun "microchip,mcp41010" 17*4882a593Smuzhiyun "microchip,mcp41050" 18*4882a593Smuzhiyun "microchip,mcp41100" 19*4882a593Smuzhiyun "microchip,mcp42010" 20*4882a593Smuzhiyun "microchip,mcp42050" 21*4882a593Smuzhiyun "microchip,mcp42100" 22*4882a593Smuzhiyun 23*4882a593SmuzhiyunExample: 24*4882a593Smuzhiyunpotentiometer@0 { 25*4882a593Smuzhiyun compatible = "microchip,mcp41010"; 26*4882a593Smuzhiyun reg = <0>; 27*4882a593Smuzhiyun spi-max-frequency = <500000>; 28*4882a593Smuzhiyun}; 29