linux-kernel - Re: [PATCH 1/1] ARM: dts: stm32: add pull-up to USART3 and UART7 RX pins on DKx boards

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Message-ID: <40ff7701-7911-28e1-a217-0f1a3448df8e@foss.st.com>
Date:   Thu, 25 Nov 2021 16:10:37 +0100
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     Erwan Le Ray <erwan.leray@...s.st.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Fabrice Gasnier <fabrice.gasnier@...s.st.com>,
        Valentin Caron <valentin.caron@...s.st.com>,
        Amelie Delaunay <amelie.delaunay@...s.st.com>
Subject: Re: [PATCH 1/1] ARM: dts: stm32: add pull-up to USART3 and UART7 RX
 pins on DKx boards

On 10/20/21 5:03 PM, Erwan Le Ray wrote:
> Add pull-up to USART3 and UART7 RX pins to allow loop tests between USART3
> and UART7 on stm32mp15 DKx boards.
> 
> Signed-off-by: Erwan Le Ray <erwan.leray@...s.st.com>

Applied on stm32-next.

thanks
Alex


> 
> diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> index e13c2a9762b8..fe6e6f50151d 100644
> --- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> @@ -1816,7 +1816,7 @@
>   		};
>   		pins2 {
>   			pinmux = <STM32_PINMUX('E', 7, AF7)>; /* UART7_RX */
> -			bias-disable;
> +			bias-pull-up;
>   		};
>   	};
>   
> @@ -1826,7 +1826,7 @@
>   		};
>   		pins2 {
>   			pinmux = <STM32_PINMUX('E', 7, AF7)>; /* UART7_RX */
> -			bias-disable;
> +			bias-pull-up;
>   		};
>   	};
>   
> @@ -1971,7 +1971,7 @@
>   		pins2 {
>   			pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
>   				 <STM32_PINMUX('I', 10, AF8)>; /* USART3_CTS_NSS */
> -			bias-disable;
> +			bias-pull-up;
>   		};
>   	};
>   
> @@ -1988,7 +1988,7 @@
>   		};
>   		pins3 {
>   			pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
> -			bias-disable;
> +			bias-pull-up;
>   		};
>   	};
>   
> @@ -2012,7 +2012,7 @@
>   		pins2 {
>   			pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
>   				 <STM32_PINMUX('B', 13, AF7)>; /* USART3_CTS_NSS */
> -			bias-disable;
> +			bias-pull-up;
>   		};
>   	};
>   
> @@ -2029,7 +2029,7 @@
>   		};
>   		pins3 {
>   			pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
> -			bias-disable;
> +			bias-pull-up;
>   		};
>   	};
>   
>