18c2ecf20Sopenharmony_ci* Texas Instruments LMP91000 series of potentiostats 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciLMP91000: https://www.ti.com/lit/ds/symlink/lmp91000.pdf 48c2ecf20Sopenharmony_ciLMP91002: https://www.ti.com/lit/ds/symlink/lmp91002.pdf 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ciRequired properties: 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci - compatible: should be one of the following: 98c2ecf20Sopenharmony_ci "ti,lmp91000" 108c2ecf20Sopenharmony_ci "ti,lmp91002" 118c2ecf20Sopenharmony_ci - reg: the I2C address of the device 128c2ecf20Sopenharmony_ci - io-channels: the phandle of the iio provider 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci - ti,external-tia-resistor: if the property ti,tia-gain-ohm is not defined this 158c2ecf20Sopenharmony_ci needs to be set to signal that an external resistor value is being used. 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ciOptional properties: 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ci - ti,tia-gain-ohm: ohm value of the internal resistor for the transimpedance 208c2ecf20Sopenharmony_ci amplifier. Must be 2750, 3500, 7000, 14000, 35000, 120000, or 350000 ohms. 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci - ti,rload-ohm: ohm value of the internal resistor load applied to the gas 238c2ecf20Sopenharmony_ci sensor. Must be 10, 33, 50, or 100 (default) ohms. 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ciExample: 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_cilmp91000@48 { 288c2ecf20Sopenharmony_ci compatible = "ti,lmp91000"; 298c2ecf20Sopenharmony_ci reg = <0x48>; 308c2ecf20Sopenharmony_ci ti,tia-gain-ohm = <7500>; 318c2ecf20Sopenharmony_ci ti,rload = <100>; 328c2ecf20Sopenharmony_ci io-channels = <&adc>; 338c2ecf20Sopenharmony_ci}; 34