diff mbox series

[v2,08/10] ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control

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

Commit Message

Lee Jones Jan. 27, 2017, 5:28 p.m. UTC
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
diff mbox series

Patch

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>;
 					};
 				};
 			};