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Date: Wed, 1 Feb 2017 14:31:43 +0000
From: Lee Jones <lee.jones@...aro.org>
To: gregkh@...uxfoundation.org, jslaby@...e.com,
linux-serial@...r.kernel.org, dt@...nel.org,
devicetree@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
kernel@...inux.com, patrice.chotard@...com,
Lee Jones <lee.jones@...aro.org>
Subject: [PATCH v2 08/10] ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
Each serial port which supports HW flow-control should have 2 Pinctrl
groups. One 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.
Acked-by: Peter Griffin <peter.griffin@...aro.org>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
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..bd1a82e 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_hw_flowctrl: serial0-0_hw_flowctrl {
+ st,pins {
+ tx = <&pio17 0 ALT1 OUT>;
+ rx = <&pio17 1 ALT1 IN>;
+ cts = <&pio17 2 ALT1 IN>;
+ rts = <&pio17 3 ALT1 OUT>;
};
};
};
--
2.9.3
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