On 02/05/2023 08:52, Patrick Rudolph wrote: > Hi Peter, > it could indeed cause problems when VDD1 != VDD2 and at both needs to > be enabled. > The pca9846 datasheet seems to refer to VDD1 as VDD. Thus I could add > an optional "vdd2" regulator to the binding and driver. > > Please let me know if that's what you had in mind. Don't top post. In such case vdd-supply should not be used for VDD2. Best regards, Krzysztof