[PATCH 5/9] ARM: dts: stm32: add pin map for UART8 controller on stm32h743

Patrice CHOTARD patrice.chotard at foss.st.com
Mon Jun 9 09:56:17 CEST 2025



On 6/7/25 11:37, Dario Binacchi wrote:
> Add a pin map configuration for using the UART8 controller on the
> stm32h743 MCU.
> 
> Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
> Link: https://lore.kernel.org/r/20250427074404.3278732-7-dario.binacchi@amarulasolutions.com
> Signed-off-by: Alexandre Torgue <alexandre.torgue at foss.st.com>
> 
> [ upstream commit: 47d16ab94b8e5e85aedba3cd22cfdf3877bf1dfb ]
> 
> ---
> 
>  dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi b/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
> index ad00c1080a96..96022afd0168 100644
> --- a/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
> +++ b/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
> @@ -211,6 +211,19 @@
>  		};
>  	};
>  
> +	uart8_pins_a: uart8-0 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('J', 8, AF8)>; /* UART8_TX */
> +			bias-disable;
> +			drive-push-pull;
> +			slew-rate = <0>;
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('J', 9, AF8)>; /* UART8_RX */
> +			bias-disable;
> +		};
> +	};
> +
>  	usart1_pins_a: usart1-0 {
>  		pins1 {
>  			pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice


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