| Message ID | 20170127172804.23881-9-lee.jones@linaro.org |
|---|---|
| State | Accepted |
| Commit | 34224a0c1941715b6e0f7daf7b146aca5815aabb |
| Headers | show |
| Series | serial: st-asc: Allow handling of RTS line | expand |
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>; }; }; };
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 will take over controlling the lines and another group which enables the lines to be toggled using GPIO mechanisms. Signed-off-by: Lee Jones <lee.jones@linaro.org> --- arch/arm/boot/dts/stih407-pinctrl.dtsi | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) -- 2.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html