[PATCH 7/8] ARM: dts: stm32: add an extra pin map for USART1 on stm32h743
Dario Binacchi
dario.binacchi at amarulasolutions.com
Sun Apr 27 00:43:26 PDT 2025
Add an additional pin map configuration for using the USART1 controller
on the stm32h743 MCU.
Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
---
arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
index 96022afd0168..8a6db484383d 100644
--- a/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
@@ -237,6 +237,19 @@ pins2 {
};
};
+ usart1_pins_b: usart1-1 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 9, AF7)>; /* USART1_TX */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('A', 10, AF7)>; /* USART1_RX */
+ bias-disable;
+ };
+ };
+
usart2_pins_a: usart2-0 {
pins1 {
pinmux = <STM32_PINMUX('D', 5, AF7)>; /* USART2_TX */
--
2.43.0
More information about the linux-arm-kernel
mailing list