This patch selects USART1 pin configuration on PA9/PA10 pins
for both Eval and Disco boards.
Acked-by: Linus Walleij <linus.wall...@linaro.org>
Signed-off-by: Maxime Coquelin <mcoquelin.st...@gmail.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@40023810 {
--
1.9.1
--
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