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[PATCH v4 08/10] ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control

From Lee Jones <lee.jones@linaro.org>
Newsgroups linux.kernel
Subject [PATCH v4 08/10] ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
Date 2017-02-03 11:30 +0100
Message-ID <t6JhU-kD-33@gated-at.bofh.it> (permalink)
References <t6JhT-kD-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.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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[PATCH v4 00/10] serial: st-asc: Allow handling of RTS lin Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:30 +0100
  [PATCH v4 04/10] serial: st-asc: (De)Register GPIOD and swap Pinctrl profiles Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:30 +0100
  [PATCH v4 01/10] serial: st-asc: Ignore the parity error bit if 8-bit mode is enabled Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:30 +0100
  [PATCH v4 09/10] ARM: dts: STiH407-family: Use new Pinctrl groups Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:30 +0100
  [PATCH v4 07/10] ARM: dts: STiH410-b2260: Identify the UART RTS line Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:30 +0100
  [PATCH v4 08/10] ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:30 +0100
  [PATCH v4 06/10] dt-bindings: serial: Update 'uart-has-rtscts' description Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:30 +0100
    Re: [PATCH v4 06/10] dt-bindings: serial: Update 'uart-has-rtscts'  description Rob Herring <robh@kernel.org> - 2017-02-08 22:20 +0100
  [PATCH v4 10/10] ARM: dts: STiH410-b2260: Enable HW flow-control Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:30 +0100
  [PATCH v4 02/10] serial: st-asc: Provide RTS functionality Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:30 +0100

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