On Wed, 01 Feb 2017, Lee Jones wrote: > When hardware flow-control is disabled, manual toggling of the UART's > reset line (RTS) using userland applications (e.g. stty) is not > possible, since the ASC IP does not provide this functionality in the > same was as some other IPs do. Thus, we have to do this manually. > This patch configures the UART RTS line as a GPIO for manipulation > within the UART driver when HW flow-control is not enabled. > > Signed-off-by: Lee Jones <[email protected]>
Acked-by: Peter Griffin <[email protected]> > --- > arch/arm/boot/dts/stih410-b2260.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/stih410-b2260.dts > b/arch/arm/boot/dts/stih410-b2260.dts > index 06b0696..fa16aba 100644 > --- a/arch/arm/boot/dts/stih410-b2260.dts > +++ b/arch/arm/boot/dts/stih410-b2260.dts > @@ -63,6 +63,7 @@ > uart0: serial@9830000 { > label = "LS-UART0"; > status = "okay"; > + rts-gpios = <&pio17 3 GPIO_ACTIVE_LOW>; > }; > > /* Low speed expansion connector */
