linux-kernel - Re: [RESEND PATCH v1] ARM: dts: stm32f429: Add missing USART3 pin config to STM32F469I-DISCO board

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Date:   Fri, 6 Jan 2017 17:34:29 +0100
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Bruno Meirelles Herrera <bruherrera@...il.com>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <linux@...linux.org.uk>, <mcoquelin.stm32@...il.com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [RESEND PATCH v1] ARM: dts: stm32f429: Add missing USART3 pin
 config to STM32F469I-DISCO board

Hi Bruno,

On 11/18/2016 04:10 PM, Bruno Meirelles Herrera wrote:
> Including new STM32 maintainer. Rebased at stm32-dt-for-v4.10-1 and
> stm32-dt-for-v4.10-2 branches. It fix the port/pin initialization in
> case boot-loader does not configure/initialize the pins.
> Fixing line wrapping from last patch
>
> This patch adds USART3 pin configuration on PB10/PA11 pins
> for STM32F469I-DISCO board.
>
> Signed-off-by: Bruno Herrera <bruherrera@...il.com>
> ---
>  arch/arm/boot/dts/stm32f429.dtsi      | 13 +++++++++++++
>  arch/arm/boot/dts/stm32f469-disco.dts |  2 ++
>  2 files changed, 15 insertions(+)
>
> diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
> index e4dae0e..1b8b105 100644
> --- a/arch/arm/boot/dts/stm32f429.dtsi
> +++ b/arch/arm/boot/dts/stm32f429.dtsi
> @@ -316,6 +316,19 @@
>  				};
>  			};
>
> +			usart3_pins_a: usart3@0 {
> +				pins1 {
> +					pinmux = <STM32F429_PB10_FUNC_USART3_TX>;
> +					bias-disable;
> +					drive-push-pull;
> +					slew-rate = <0>;
> +				};
> +				pins2 {
> +					pinmux = <STM32F429_PB11_FUNC_USART3_RX>;
> +					bias-disable;
> +				};
> +			};
> +
>  			usbotg_hs_pins_a: usbotg_hs@0 {
>  				pins {
>  					pinmux = <STM32F429_PH4_FUNC_OTG_HS_ULPI_NXT>,
> diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts
> index 8877c00..75f4303 100644
> --- a/arch/arm/boot/dts/stm32f469-disco.dts
> +++ b/arch/arm/boot/dts/stm32f469-disco.dts
> @@ -79,5 +79,7 @@
>  };
>
>  &usart3 {
> +	pinctrl-0 = <&usart3_pins_a>;
> +	pinctrl-names = "default";
>  	status = "okay";
>  };
>
After a little cosmetic change in commit header:

Applied on stm32-dt-for-v4.11-1

Thanks!
Alex