Hi Lee, On Tue, 24 Jan 2017, Lee Jones wrote:
> Each serial port which supports HW flow-control should have 2 Pinctrl > groups. Once for when HW flow-control is in progress, where the IP Nit: Once? > will take over controlling the lines and another group which enables > the lines to be toggled using GPIO mechanisms. > > Signed-off-by: Lee Jones <[email protected]> Acked-by: Peter Griffin <[email protected]> > --- > arch/arm/boot/dts/stih407-pinctrl.dtsi | 12 ++++++++++-- > 1 file changed, 10 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/stih407-pinctrl.dtsi > b/arch/arm/boot/dts/stih407-pinctrl.dtsi > index daab16b..fbb7f86 100644 > --- a/arch/arm/boot/dts/stih407-pinctrl.dtsi > +++ b/arch/arm/boot/dts/stih407-pinctrl.dtsi > @@ -465,8 +465,16 @@ > serial0 { > pinctrl_serial0: serial0-0 { > st,pins { > - tx = <&pio17 0 ALT1 OUT>; > - rx = <&pio17 1 ALT1 IN>; > + tx = <&pio17 0 ALT1 OUT>; > + rx = <&pio17 1 ALT1 IN>; > + }; > + }; > + pinctrl_serial0_flowctrl: serial0-0_flowctrl { > + st,pins { > + tx = <&pio17 0 ALT1 OUT>; > + rx = <&pio17 1 ALT1 IN>; > + cts = <&pio17 2 ALT1 IN>; > + rts = <&pio17 3 ALT1 OUT>; > }; > }; > };
