1*c66ec88fSEmmanuel Vadot* Maxim Linear-Taper Digital Potentiometer MAX5481-MAX5484 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotThe node for this driver must be a child node of a SPI controller, hence 4*c66ec88fSEmmanuel Vadotall mandatory properties described in 5*c66ec88fSEmmanuel Vadot 6*c66ec88fSEmmanuel Vadot Documentation/devicetree/bindings/spi/spi-bus.txt 7*c66ec88fSEmmanuel Vadot 8*c66ec88fSEmmanuel Vadotmust be specified. 9*c66ec88fSEmmanuel Vadot 10*c66ec88fSEmmanuel VadotRequired properties: 11*c66ec88fSEmmanuel Vadot - compatible: Must be one of the following, depending on the 12*c66ec88fSEmmanuel Vadot model: 13*c66ec88fSEmmanuel Vadot "maxim,max5481" 14*c66ec88fSEmmanuel Vadot "maxim,max5482" 15*c66ec88fSEmmanuel Vadot "maxim,max5483" 16*c66ec88fSEmmanuel Vadot "maxim,max5484" 17*c66ec88fSEmmanuel Vadot 18*c66ec88fSEmmanuel VadotExample: 19*c66ec88fSEmmanuel Vadotmax548x: max548x@0 { 20*c66ec88fSEmmanuel Vadot compatible = "maxim,max5482"; 21*c66ec88fSEmmanuel Vadot spi-max-frequency = <7000000>; 22*c66ec88fSEmmanuel Vadot reg = <0>; /* chip-select */ 23*c66ec88fSEmmanuel Vadot}; 24