linux-kernel - [PATCH 1/3] ARM: dts: stm32: Add usart2

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Message-ID: <1496819783-5113-2-git-send-email-patrice.chotard@st.com>
Date:   Wed, 7 Jun 2017 09:16:21 +0200
From:   <patrice.chotard@...com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <linux@...linux.org.uk>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <alexandre.torgue@...com>, <mcoquelin.stm32@...il.com>
CC:     Patrice Chotard <patrice.chotard@...com>
Subject: [PATCH 1/3] ARM: dts: stm32: Add usart2_pins on stm32h743

From: Patrice Chotard <patrice.chotard@...com>

Add usart2 pins definition in order to add usart2 support
dedicated for console output on stm32h743i-disco board.

Signed-off-by: Patrice Chotard <patrice.chotard@...com>
---
 arch/arm/boot/dts/stm32h743-pinctrl.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/stm32h743-pinctrl.dtsi b/arch/arm/boot/dts/stm32h743-pinctrl.dtsi
index fcc1e06..76bbd65 100644
--- a/arch/arm/boot/dts/stm32h743-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32h743-pinctrl.dtsi
@@ -151,6 +151,19 @@
 					bias-disable;
 				};
 			};
+
+			usart2_pins: usart2@0 {
+				pins1 {
+					pinmux = <STM32H7_PD5_FUNC_USART2_TX>;
+					bias-disable;
+					drive-push-pull;
+					slew-rate = <0>;
+				};
+				pins2 {
+					pinmux = <STM32H7_PD6_FUNC_USART2_RX>;
+					bias-disable;
+				};
+			};
 		};
 	};
 };
-- 
1.9.1