linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: sm6375-pdx225: Enable SD card slot

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Date:   Wed, 9 Nov 2022 15:36:35 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org
Cc:     patches@...aro.org, Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: sm6375-pdx225: Enable SD card slot

On 09/11/2022 15:26, Konrad Dybcio wrote:
> Set SDHCI VMMC/VQMMC to <=2v96 and allow load setting by the SDHCI
> driver, as required by this use case.
> 
> Configure the SD Card Detect pin, enable the SDHCI2 controller and
> assign it the aforementioned regulators.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  .../qcom/sm6375-sony-xperia-murray-pdx225.dts | 34 +++++++++++++++++--
>  1 file changed, 32 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts b/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts
> index 33083f18755b..c4181476f3b8 100644
> --- a/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts
> +++ b/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts
> @@ -153,7 +153,8 @@ pm6125_l4: l4 {
>  
>  		pm6125_l5: l5 {
>  			regulator-min-microvolt = <1650000>;
> -			regulator-max-microvolt = <3050000>;
> +			regulator-max-microvolt = <2960000>;
> +			regulator-allow-set-load;
>  		};
>  
>  		pm6125_l6: l6 {
> @@ -235,7 +236,8 @@ pm6125_l21: l21 {
>  
>  		pm6125_l22: l22 {
>  			regulator-min-microvolt = <2704000>;
> -			regulator-max-microvolt = <3544000>;
> +			regulator-max-microvolt = <2960000>;
> +			regulator-allow-set-load;
>  		};
>  
>  		pm6125_l23: l23 {
> @@ -302,6 +304,34 @@ &qupv3_id_1 {
>  	status = "okay";
>  };
>  
> +&sdc2_off_state {
> +	sd-cd-pins {
> +		pins = "gpio94";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +};
> +
> +&sdc2_on_state {
> +	sd-cd-pins {
> +		pins = "gpio94";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-pull-up;
> +	};
> +};
> +
> +&sdhc_2 {
> +	status = "okay";
> +
> +	vmmc-supply = <&pm6125_l22>;
> +	vqmmc-supply = <&pm6125_l5>;
> +
> +	cd-gpios = <&tlmm 94 GPIO_ACTIVE_HIGH>;
> +};
> +
> +

Just one blank line.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>


Best regards,
Krzysztof