[7/8] ARM: dts: stm32: add an extra pin map for USART1 on stm32h743
diff mbox series

Message ID 20250427074404.3278732-8-dario.binacchi@amarulasolutions.com
State New
Headers show
Series
  • Support STM32h747i-disco board
Related show

Commit Message

Dario Binacchi April 27, 2025, 7:43 a.m. UTC 
Add an additional pin map configuration for using the USART1 controller
on the stm32h743 MCU.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

 arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Patch
diff mbox series 

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 */