1*4882a593Smuzhiyun* Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer 2*4882a593Smuzhiyun driver 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunThe node for this driver must be a child node of a SPI controller, hence 5*4882a593Smuzhiyunall mandatory properties described in 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun Documentation/devicetree/bindings/spi/spi-bus.txt 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunmust be specified. 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunRequired properties: 12*4882a593Smuzhiyun - compatible: Must be one of the following, depending on the 13*4882a593Smuzhiyun model: 14*4882a593Smuzhiyun "microchip,mcp4131-502" 15*4882a593Smuzhiyun "microchip,mcp4131-103" 16*4882a593Smuzhiyun "microchip,mcp4131-503" 17*4882a593Smuzhiyun "microchip,mcp4131-104" 18*4882a593Smuzhiyun "microchip,mcp4132-502" 19*4882a593Smuzhiyun "microchip,mcp4132-103" 20*4882a593Smuzhiyun "microchip,mcp4132-503" 21*4882a593Smuzhiyun "microchip,mcp4132-104" 22*4882a593Smuzhiyun "microchip,mcp4141-502" 23*4882a593Smuzhiyun "microchip,mcp4141-103" 24*4882a593Smuzhiyun "microchip,mcp4141-503" 25*4882a593Smuzhiyun "microchip,mcp4141-104" 26*4882a593Smuzhiyun "microchip,mcp4142-502" 27*4882a593Smuzhiyun "microchip,mcp4142-103" 28*4882a593Smuzhiyun "microchip,mcp4142-503" 29*4882a593Smuzhiyun "microchip,mcp4142-104" 30*4882a593Smuzhiyun "microchip,mcp4151-502" 31*4882a593Smuzhiyun "microchip,mcp4151-103" 32*4882a593Smuzhiyun "microchip,mcp4151-503" 33*4882a593Smuzhiyun "microchip,mcp4151-104" 34*4882a593Smuzhiyun "microchip,mcp4152-502" 35*4882a593Smuzhiyun "microchip,mcp4152-103" 36*4882a593Smuzhiyun "microchip,mcp4152-503" 37*4882a593Smuzhiyun "microchip,mcp4152-104" 38*4882a593Smuzhiyun "microchip,mcp4161-502" 39*4882a593Smuzhiyun "microchip,mcp4161-103" 40*4882a593Smuzhiyun "microchip,mcp4161-503" 41*4882a593Smuzhiyun "microchip,mcp4161-104" 42*4882a593Smuzhiyun "microchip,mcp4162-502" 43*4882a593Smuzhiyun "microchip,mcp4162-103" 44*4882a593Smuzhiyun "microchip,mcp4162-503" 45*4882a593Smuzhiyun "microchip,mcp4162-104" 46*4882a593Smuzhiyun "microchip,mcp4231-502" 47*4882a593Smuzhiyun "microchip,mcp4231-103" 48*4882a593Smuzhiyun "microchip,mcp4231-503" 49*4882a593Smuzhiyun "microchip,mcp4231-104" 50*4882a593Smuzhiyun "microchip,mcp4232-502" 51*4882a593Smuzhiyun "microchip,mcp4232-103" 52*4882a593Smuzhiyun "microchip,mcp4232-503" 53*4882a593Smuzhiyun "microchip,mcp4232-104" 54*4882a593Smuzhiyun "microchip,mcp4241-502" 55*4882a593Smuzhiyun "microchip,mcp4241-103" 56*4882a593Smuzhiyun "microchip,mcp4241-503" 57*4882a593Smuzhiyun "microchip,mcp4241-104" 58*4882a593Smuzhiyun "microchip,mcp4242-502" 59*4882a593Smuzhiyun "microchip,mcp4242-103" 60*4882a593Smuzhiyun "microchip,mcp4242-503" 61*4882a593Smuzhiyun "microchip,mcp4242-104" 62*4882a593Smuzhiyun "microchip,mcp4251-502" 63*4882a593Smuzhiyun "microchip,mcp4251-103" 64*4882a593Smuzhiyun "microchip,mcp4251-503" 65*4882a593Smuzhiyun "microchip,mcp4251-104" 66*4882a593Smuzhiyun "microchip,mcp4252-502" 67*4882a593Smuzhiyun "microchip,mcp4252-103" 68*4882a593Smuzhiyun "microchip,mcp4252-503" 69*4882a593Smuzhiyun "microchip,mcp4252-104" 70*4882a593Smuzhiyun "microchip,mcp4261-502" 71*4882a593Smuzhiyun "microchip,mcp4261-103" 72*4882a593Smuzhiyun "microchip,mcp4261-503" 73*4882a593Smuzhiyun "microchip,mcp4261-104" 74*4882a593Smuzhiyun "microchip,mcp4262-502" 75*4882a593Smuzhiyun "microchip,mcp4262-103" 76*4882a593Smuzhiyun "microchip,mcp4262-503" 77*4882a593Smuzhiyun "microchip,mcp4262-104" 78*4882a593Smuzhiyun 79*4882a593SmuzhiyunExample: 80*4882a593Smuzhiyunmcp4131: mcp4131@0 { 81*4882a593Smuzhiyun compatible = "mcp4131-502"; 82*4882a593Smuzhiyun reg = <0>; 83*4882a593Smuzhiyun spi-max-frequency = <500000>; 84*4882a593Smuzhiyun}; 85