1*c66ec88fSEmmanuel VadotAnalog Devices AD7303 DAC device driver 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot - compatible: Must be "adi,ad7303" 5*c66ec88fSEmmanuel Vadot - reg: SPI chip select number for the device 6*c66ec88fSEmmanuel Vadot - spi-max-frequency: Max SPI frequency to use (< 30000000) 7*c66ec88fSEmmanuel Vadot - Vdd-supply: Phandle to the Vdd power supply 8*c66ec88fSEmmanuel Vadot 9*c66ec88fSEmmanuel VadotOptional properties: 10*c66ec88fSEmmanuel Vadot - REF-supply: Phandle to the external reference voltage supply. This should 11*c66ec88fSEmmanuel Vadot only be set if there is an external reference voltage connected to the REF 12*c66ec88fSEmmanuel Vadot pin. If the property is not set Vdd/2 is used as the reference voltage. 13*c66ec88fSEmmanuel Vadot 14*c66ec88fSEmmanuel VadotExample: 15*c66ec88fSEmmanuel Vadot 16*c66ec88fSEmmanuel Vadot ad7303@4 { 17*c66ec88fSEmmanuel Vadot compatible = "adi,ad7303"; 18*c66ec88fSEmmanuel Vadot reg = <4>; 19*c66ec88fSEmmanuel Vadot spi-max-frequency = <10000000>; 20*c66ec88fSEmmanuel Vadot Vdd-supply = <&vdd_supply>; 21*c66ec88fSEmmanuel Vadot adi,use-external-reference; 22*c66ec88fSEmmanuel Vadot REF-supply = <&vref_supply>; 23*c66ec88fSEmmanuel Vadot }; 24