On 15/06/2023 09:58, Valentin Caron wrote: > From: Alain Volmat <alain.volmat@xxxxxxxxxxx> > > STM32F4 and STM32F7 can't switch to spi device mode. > Forbid this property with compatible "st,stm32f4-spi". Just to clarify - driver cannot switch or hardware does not support it? Please use subject prefixes matching the subsystem. You can get them for example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory your patch is touching. (spi: dt-bindings:) Best regards, Krzysztof