* Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer driver The node for this driver must be a child node of a SPI controller, hence all mandatory properties described in Documentation/devicetree/bindings/spi/spi-bus.txt must be specified. Required properties: - compatible: Must be one of the following, depending on the model: "microchip,mcp4131-502" "microchip,mcp4131-103" "microchip,mcp4131-503" "microchip,mcp4131-104" "microchip,mcp4132-502" "microchip,mcp4132-103" "microchip,mcp4132-503" "microchip,mcp4132-104" "microchip,mcp4141-502" "microchip,mcp4141-103" "microchip,mcp4141-503" "microchip,mcp4141-104" "microchip,mcp4142-502" "microchip,mcp4142-103" "microchip,mcp4142-503" "microchip,mcp4142-104" "microchip,mcp4151-502" "microchip,mcp4151-103" "microchip,mcp4151-503" "microchip,mcp4151-104" "microchip,mcp4152-502" "microchip,mcp4152-103" "microchip,mcp4152-503" "microchip,mcp4152-104" "microchip,mcp4161-502" "microchip,mcp4161-103" "microchip,mcp4161-503" "microchip,mcp4161-104" "microchip,mcp4162-502" "microchip,mcp4162-103" "microchip,mcp4162-503" "microchip,mcp4162-104" "microchip,mcp4231-502" "microchip,mcp4231-103" "microchip,mcp4231-503" "microchip,mcp4231-104" "microchip,mcp4232-502" "microchip,mcp4232-103" "microchip,mcp4232-503" "microchip,mcp4232-104" "microchip,mcp4241-502" "microchip,mcp4241-103" "microchip,mcp4241-503" "microchip,mcp4241-104" "microchip,mcp4242-502" "microchip,mcp4242-103" "microchip,mcp4242-503" "microchip,mcp4242-104" "microchip,mcp4251-502" "microchip,mcp4251-103" "microchip,mcp4251-503" "microchip,mcp4251-104" "microchip,mcp4252-502" "microchip,mcp4252-103" "microchip,mcp4252-503" "microchip,mcp4252-104" "microchip,mcp4261-502" "microchip,mcp4261-103" "microchip,mcp4261-503" "microchip,mcp4261-104" "microchip,mcp4262-502" "microchip,mcp4262-103" "microchip,mcp4262-503" "microchip,mcp4262-104" Example: mcp4131: mcp4131@0 { compatible = "mcp4131-502"; reg = <0>; spi-max-frequency = <500000>; }; |