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

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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>

[ upstream commit: 8e71dfe46a4a1e9505b1a327470f879b63388968 ]

(cherry picked from commit 9d5ec2c9c5d5131e701447c5c32aaf6c688c6e01)
This commit is contained in:
Dario Binacchi
2025-04-27 09:43:26 +02:00
committed by Tom Rini
parent 1addd0e429
commit 3a310f59c3
1 changed files with 13 additions and 0 deletions
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13
dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
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@@ -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 */