1*c66ec88fSEmmanuel Vadot* Texas Instruments LMP91000 series of potentiostats 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotLMP91000: https://www.ti.com/lit/ds/symlink/lmp91000.pdf 4*c66ec88fSEmmanuel VadotLMP91002: https://www.ti.com/lit/ds/symlink/lmp91002.pdf 5*c66ec88fSEmmanuel Vadot 6*c66ec88fSEmmanuel VadotRequired properties: 7*c66ec88fSEmmanuel Vadot 8*c66ec88fSEmmanuel Vadot - compatible: should be one of the following: 9*c66ec88fSEmmanuel Vadot "ti,lmp91000" 10*c66ec88fSEmmanuel Vadot "ti,lmp91002" 11*c66ec88fSEmmanuel Vadot - reg: the I2C address of the device 12*c66ec88fSEmmanuel Vadot - io-channels: the phandle of the iio provider 13*c66ec88fSEmmanuel Vadot 14*c66ec88fSEmmanuel Vadot - ti,external-tia-resistor: if the property ti,tia-gain-ohm is not defined this 15*c66ec88fSEmmanuel Vadot needs to be set to signal that an external resistor value is being used. 16*c66ec88fSEmmanuel Vadot 17*c66ec88fSEmmanuel VadotOptional properties: 18*c66ec88fSEmmanuel Vadot 19*c66ec88fSEmmanuel Vadot - ti,tia-gain-ohm: ohm value of the internal resistor for the transimpedance 20*c66ec88fSEmmanuel Vadot amplifier. Must be 2750, 3500, 7000, 14000, 35000, 120000, or 350000 ohms. 21*c66ec88fSEmmanuel Vadot 22*c66ec88fSEmmanuel Vadot - ti,rload-ohm: ohm value of the internal resistor load applied to the gas 23*c66ec88fSEmmanuel Vadot sensor. Must be 10, 33, 50, or 100 (default) ohms. 24*c66ec88fSEmmanuel Vadot 25*c66ec88fSEmmanuel VadotExample: 26*c66ec88fSEmmanuel Vadot 27*c66ec88fSEmmanuel Vadotlmp91000@48 { 28*c66ec88fSEmmanuel Vadot compatible = "ti,lmp91000"; 29*c66ec88fSEmmanuel Vadot reg = <0x48>; 30*c66ec88fSEmmanuel Vadot ti,tia-gain-ohm = <7500>; 31*c66ec88fSEmmanuel Vadot ti,rload = <100>; 32*c66ec88fSEmmanuel Vadot io-channels = <&adc>; 33*c66ec88fSEmmanuel Vadot}; 34