On 11/09/2018 23:54:40+0100, Lee Jones wrote: > > > http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-6438-32-bit-ARM926-Embedded-Microprocessor-SAM9G45_Datasheet.pdf > > > > > > USART doc starting p572, registers p621. > > After looking at the datasheet, I don't see any reason why one of the > two drivers can't be selected using different compatible strings. Because there is only one IP and we don't use the device tree to selecet linux specific drivers. If you are not happy having that in MFD, I guess we can move it out somewhere else. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com