[PATCH 10/10] dts: upstream: arm: st: stm32h7-pinctrl: change pins for USART1

Johannes Krottmayer johannes at krotti42.com
Thu May 8 23:24:41 CEST 2025


The pins for USART1 have must be changed to other values, to
support the STM32H747 discovery board.

Signed-off-by: Johannes Krottmayer <johannes at krotti42.com>
Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
Cc: Patrice Chotard <patrice.chotard at foss.st.com>
---
 dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi b/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
index 7f1d234e102..7d7c87aa2fe 100644
--- a/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
+++ b/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
@@ -213,13 +213,13 @@
 
 	usart1_pins: usart1-0 {
 		pins1 {
-			pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */
+			pinmux = <STM32_PINMUX('A', 9, AF7)>; /* USART1_TX */
 			bias-disable;
 			drive-push-pull;
 			slew-rate = <0>;
 		};
 		pins2 {
-			pinmux = <STM32_PINMUX('B', 15, AF4)>; /* USART1_RX */
+			pinmux = <STM32_PINMUX('A', 10, AF7)>; /* USART1_RX */
 			bias-disable;
 		};
 	};
-- 
2.39.5




More information about the U-Boot mailing list