linux-kernel - Re: [PATCH 2/3] arm64: dts: qcom: sdm850-samsung-w737: correct I2C12 pins drive strength

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Message-ID: <880e62cc-a12c-33b2-2509-f0e05a0871af@somainline.org>
Date:   Fri, 30 Sep 2022 21:41:48 +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>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Lee Jones <lee.jones@...aro.org>,
        Arnd Bergmann <arnd@...db.de>, Vinod Koul <vkoul@...nel.org>,
        Xilin Wu <wuxilin123@...il.com>,
        Molly Sophia <mollysophia379@...il.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     stable@...r.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: qcom: sdm850-samsung-w737: correct I2C12
 pins drive strength



On 30.09.2022 21:20, Krzysztof Kozlowski wrote:
> The pin configuration (done with generic pin controller helpers and
> as expressed by bindings) requires children nodes with either:
> 1. "pins" property and the actual configuration,
> 2. another set of nodes with above point.
> 
> The qup_i2c12_default pin configuration used second method - with a
> "pinmux" child.
> 
> Fixes: d4b341269efb ("arm64: dts: qcom: Add support for Samsung Galaxy Book2")
> Cc: <stable@...r.kernel.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...ainline.org>

Konrad
>  arch/arm64/boot/dts/qcom/sdm850-samsung-w737.dts | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm850-samsung-w737.dts b/arch/arm64/boot/dts/qcom/sdm850-samsung-w737.dts
> index f954fe5cb61a..d028a7eb364a 100644
> --- a/arch/arm64/boot/dts/qcom/sdm850-samsung-w737.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm850-samsung-w737.dts
> @@ -415,8 +415,10 @@ pinconf {
>  };
>  
>  &qup_i2c12_default {
> -	drive-strength = <2>;
> -	bias-disable;
> +	pinmux {
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
>  };
>  
>  &qup_uart6_default {