From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Date: Sun, 27 Apr 2025 07:43:26 +0000 (+0200)
Subject: ARM: dts: stm32: add an extra pin map for USART1 on stm32h743
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=8e71dfe46a4a1e9505b1a327470f879b63388968;p=users%2Fjedix%2Flinux-maple.git

ARM: dts: stm32: add an extra pin map for USART1 on stm32h743

Add an additional pin map configuration for using the USART1 controller
on the stm32h743 MCU.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/r/20250427074404.3278732-8-dario.binacchi@amarulasolutions.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---

diff --git a/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
index 96022afd01680..8a6db484383d6 100644
--- a/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
@@ -237,6 +237,19 @@
 		};
 	};
 
+	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 */