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Message-Id: <1449578711-6141-8-git-send-email-mcoquelin.stm32@gmail.com>
Date: Tue, 8 Dec 2015 13:45:09 +0100
From: Maxime Coquelin <mcoquelin.stm32@...il.com>
To: Linus Walleij <linus.walleij@...aro.org>,
Mark Rutland <mark.rutland@....com>,
Rob Herring <robh+dt@...nel.org>, linux-gpio@...r.kernel.org,
arnd@...db.de
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
afaerber@...e.de, devicetree@...r.kernel.org,
Daniel Thompson <daniel.thompson@...aro.org>,
bruherrera@...il.com
Subject: [PATCH v3 7/9] ARM: dts: Add USART1 pin config to STM32F429 boards
This patch selects USART1 pin configuration on PA9/PA10 pins
for both Eval and Disco boards.
Acked-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@...il.com>
---
arch/arm/boot/dts/stm32429i-eval.dts | 2 ++
arch/arm/boot/dts/stm32f429-disco.dts | 2 ++
arch/arm/boot/dts/stm32f429.dtsi | 13 +++++++++++++
3 files changed, 17 insertions(+)
diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts
index 6964fc9..71fe17a 100644
--- a/arch/arm/boot/dts/stm32429i-eval.dts
+++ b/arch/arm/boot/dts/stm32429i-eval.dts
@@ -71,5 +71,7 @@
};
&usart1 {
+ pinctrl-0 = <&usart1_pins_a>;
+ pinctrl-names = "default";
status = "okay";
};
diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts
index f0b731d..e3ce796 100644
--- a/arch/arm/boot/dts/stm32f429-disco.dts
+++ b/arch/arm/boot/dts/stm32f429-disco.dts
@@ -71,5 +71,7 @@
};
&usart1 {
+ pinctrl-0 = <&usart1_pins_a>;
+ pinctrl-names = "default";
status = "okay";
};
diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index 62d2b3d..1cf713e 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -263,6 +263,19 @@
clocks = <&rcc 0 266>;
st,bank-name = "GPIOK";
};
+
+ usart1_pins_a: usart1@0 {
+ pins1 {
+ pinmux = <STM32F429_PA9_FUNC_USART1_TX>;
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32F429_PA10_FUNC_USART1_RX>;
+ bias-disable;
+ };
+ };
};
rcc: rcc@...23810 {
--
1.9.1
--
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