[PATCH 17/19] ARM: dts: stm32: Add alternate pinmux for MP13 UART4 pins

Patrice CHOTARD patrice.chotard at foss.st.com
Fri Apr 26 10:04:26 CEST 2024



On 4/22/24 01:17, Marek Vasut wrote:
> Add another mux option for UART4 pins, this is used on
> DH electronics STM32MP13xx DHCOR DHSBC board.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
> Cc: Patrice Chotard <patrice.chotard at foss.st.com>
> Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
> Cc: u-boot at dh-electronics.com
> Cc: uboot-stm32 at st-md-mailman.stormreply.com
> ---
>  arch/arm/dts/stm32mp13-pinctrl.dtsi | 30 +++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/arch/arm/dts/stm32mp13-pinctrl.dtsi b/arch/arm/dts/stm32mp13-pinctrl.dtsi
> index 65f91265a4d..7014c7a6d23 100644
> --- a/arch/arm/dts/stm32mp13-pinctrl.dtsi
> +++ b/arch/arm/dts/stm32mp13-pinctrl.dtsi
> @@ -617,6 +617,36 @@
>  		};
>  	};
>  
> +	uart4_pins_b: uart4-1 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('A', 9, AF8)>; /* UART4_TX */
> +			bias-disable;
> +			drive-push-pull;
> +			slew-rate = <0>;
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('D', 8, AF8)>; /* UART4_RX */
> +			bias-pull-up;
> +		};
> +	};
> +
> +	uart4_idle_pins_b: uart4-idle-1 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('A', 9, ANALOG)>; /* UART4_TX */
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('D', 8, AF8)>; /* UART4_RX */
> +			bias-pull-up;
> +		};
> +	};
> +
> +	uart4_sleep_pins_b: uart4-sleep-1 {
> +		pins {
> +			pinmux = <STM32_PINMUX('A', 9, ANALOG)>, /* UART4_TX */
> +				 <STM32_PINMUX('D', 8, ANALOG)>; /* UART4_RX */
> +		};
> +	};
> +
>  	uart8_pins_a: uart8-0 {
>  		pins1 {
>  			pinmux = <STM32_PINMUX('E', 1, AF8)>; /* UART8_TX */

Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice


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