On Fri, 18 Dec 2020 20:00:16 +0100, Erwan Le Ray wrote: > Update rts-gpios and cts-gpios: > - remove max-items as already defined in serial.yaml > - add a note describing rts-gpios and cts-gpios usage with stm32 > > Document the use of cts-gpios and rts-gpios for flow control in STM32 UART > controller. These properties can be used instead of 'uart-has-rtscts' or > 'st,hw-flow-ctrl' (deprecated) for making use of any gpio pins for flow > control instead of dedicated pins. > It should be noted that both cts-gpios/rts-gpios and 'uart-has-rtscts' or > 'st,hw-flow-ctrl' (deprecated) properties cannot co-exist in a design. > > Signed-off-by: Erwan Le Ray <erwan.leray@xxxxxxxxxxx> > Acked-by: Rob Herring <robh@xxxxxxxxxx>
