1* Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer 2 driver 3 4The node for this driver must be a child node of a SPI controller, hence 5all mandatory properties described in 6 7 Documentation/devicetree/bindings/spi/spi-bus.txt 8 9must be specified. 10 11Required properties: 12 - compatible: Must be one of the following, depending on the 13 model: 14 "microchip,mcp4131-502" 15 "microchip,mcp4131-103" 16 "microchip,mcp4131-503" 17 "microchip,mcp4131-104" 18 "microchip,mcp4132-502" 19 "microchip,mcp4132-103" 20 "microchip,mcp4132-503" 21 "microchip,mcp4132-104" 22 "microchip,mcp4141-502" 23 "microchip,mcp4141-103" 24 "microchip,mcp4141-503" 25 "microchip,mcp4141-104" 26 "microchip,mcp4142-502" 27 "microchip,mcp4142-103" 28 "microchip,mcp4142-503" 29 "microchip,mcp4142-104" 30 "microchip,mcp4151-502" 31 "microchip,mcp4151-103" 32 "microchip,mcp4151-503" 33 "microchip,mcp4151-104" 34 "microchip,mcp4152-502" 35 "microchip,mcp4152-103" 36 "microchip,mcp4152-503" 37 "microchip,mcp4152-104" 38 "microchip,mcp4161-502" 39 "microchip,mcp4161-103" 40 "microchip,mcp4161-503" 41 "microchip,mcp4161-104" 42 "microchip,mcp4162-502" 43 "microchip,mcp4162-103" 44 "microchip,mcp4162-503" 45 "microchip,mcp4162-104" 46 "microchip,mcp4231-502" 47 "microchip,mcp4231-103" 48 "microchip,mcp4231-503" 49 "microchip,mcp4231-104" 50 "microchip,mcp4232-502" 51 "microchip,mcp4232-103" 52 "microchip,mcp4232-503" 53 "microchip,mcp4232-104" 54 "microchip,mcp4241-502" 55 "microchip,mcp4241-103" 56 "microchip,mcp4241-503" 57 "microchip,mcp4241-104" 58 "microchip,mcp4242-502" 59 "microchip,mcp4242-103" 60 "microchip,mcp4242-503" 61 "microchip,mcp4242-104" 62 "microchip,mcp4251-502" 63 "microchip,mcp4251-103" 64 "microchip,mcp4251-503" 65 "microchip,mcp4251-104" 66 "microchip,mcp4252-502" 67 "microchip,mcp4252-103" 68 "microchip,mcp4252-503" 69 "microchip,mcp4252-104" 70 "microchip,mcp4261-502" 71 "microchip,mcp4261-103" 72 "microchip,mcp4261-503" 73 "microchip,mcp4261-104" 74 "microchip,mcp4262-502" 75 "microchip,mcp4262-103" 76 "microchip,mcp4262-503" 77 "microchip,mcp4262-104" 78 79Example: 80mcp4131: mcp4131@0 { 81 compatible = "mcp4131-502"; 82 reg = <0>; 83 spi-max-frequency = <500000>; 84}; 85