[STLinux Kernel] [PATCH 6/8] ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
From: peter.griffin@linaro.org (Peter Griffin)
Date: 2017-01-25 11:01:18
Also in:
linux-devicetree, linux-serial, lkml
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 <redacted>
Acked-by: Peter Griffin <peter.griffin@linaro.org>
quoted hunk ↗ jump to hunk
--- 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>; }; }; };