On 15/06/2023 19:38, Valentin CARON wrote: > Hi Krzysztof, > > On 6/15/23 15:36, Krzysztof Kozlowski wrote: >> 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? > > Driver can't support it right now but hardware can. > DT is independent of some chosen (or current) Linux drivers. Imagine Linux cannot support it but OpenBSD does. As Mark pointed out, this needs a follow up commit. Best regards, Krzysztof