linux-kernel - Re: [PATCH 1/4] arm64: dts: qcom: sdm630: add UART pin functions

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Date:   Fri, 7 Oct 2022 21:38:56 +0200
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] arm64: dts: qcom: sdm630: add UART pin functions



On 6.10.2022 12:41, Krzysztof Kozlowski wrote:
> Configure UART1 and UART2 pins to respective functions in default state,
> otherwise the pins might stay as GPIOs.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...ainline.org>

Konrad
>  arch/arm64/boot/dts/qcom/sdm630.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> index e119060ac56c..bc7c341e793c 100644
> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> @@ -723,6 +723,7 @@ tlmm: pinctrl@...0000 {
>  
>  			blsp1_uart1_default: blsp1-uart1-default {
>  				pins = "gpio0", "gpio1", "gpio2", "gpio3";
> +				function = "blsp_uart1";
>  				drive-strength = <2>;
>  				bias-disable;
>  			};
> @@ -735,6 +736,7 @@ blsp1_uart1_sleep: blsp1-uart1-sleep {
>  
>  			blsp1_uart2_default: blsp1-uart2-default {
>  				pins = "gpio4", "gpio5";
> +				function = "blsp_uart2";
>  				drive-strength = <2>;
>  				bias-disable;
>  			};