On 04/04/2023 11:56, Alexandre Belloni wrote: > On 04/04/2023 10:14:33+0200, Krzysztof Kozlowski wrote: >> On 04/04/2023 09:44, Alexandre Belloni wrote: >>>> >>>>> charging will always >>>>> enable a diode, select a resistor and then have or not an extra diode. >>>>> Figure2 of the MAX31329 datasheet is great. >>>> >>>> So the diode is in the max313xx? Then why enabling it is a property of >>>> DT? Either this should be inferred from compatible or is even a policy, >>>> not a DT property. Just because device has a register for something, is >>>> not an argument that "something" should be in DT. >>> >>> Well, it depends on the battery that is installed on the board so it >>> makes sense to have it in DT. >> >> OK, that would be a good reason, but I wonder why? Why choosing diode or >> not depends on the battery? Wouldn't you always want to have the diode? >> > > It limits the maximum current used to charge the battery or supercap to > not exceed what is allowed. and I still wonder why someone would like to allow exceeding what is allowed. IOW, what is the use case to disable the diode? Best regards, Krzysztof