linux-kernel - Re: [PATCH 4/5] arm64: dts: qcom: sm6125-seine: Configure SD Card slot on SDHCI 2

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Date:   Fri, 23 Dec 2022 13:00:59 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Marijn Suijten <marijn.suijten@...ainline.org>,
        phone-devel@...r.kernel.org, Bjorn Andersson <andersson@...nel.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] arm64: dts: qcom: sm6125-seine: Configure SD Card
 slot on SDHCI 2



On 22.12.2022 21:36, Marijn Suijten wrote:
> Sony's seine board features an SD Card slot on SDHCI 2, that is to be
> powered by l5 and l22.  The card detect pin is already biased via
> updates on the generic sdc2_*_state pinctrl nodes.
> 
> As usual regulator voltages are decreased to the maximum voted by the
> downstream driver for safety.  SDHCI 2 is the only hardware block
> feeding off of these.
> 
> Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  .../dts/qcom/sm6125-sony-xperia-seine-pdx201.dts  | 15 +++++++++++++--
>  1 file changed, 13 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm6125-sony-xperia-seine-pdx201.dts b/arch/arm64/boot/dts/qcom/sm6125-sony-xperia-seine-pdx201.dts
> index eaddbe522695..4c9b8ad77dd9 100644
> --- a/arch/arm64/boot/dts/qcom/sm6125-sony-xperia-seine-pdx201.dts
> +++ b/arch/arm64/boot/dts/qcom/sm6125-sony-xperia-seine-pdx201.dts
> @@ -318,7 +318,8 @@ pm6125_l4: l4 {
>  
>  		pm6125_l5: l5 {
>  			regulator-min-microvolt = <1648000>;
> -			regulator-max-microvolt = <3104000>;
> +			regulator-max-microvolt = <2950000>;
> +			regulator-allow-set-load;
>  		};
>  
>  		pm6125_l6: l6 {
> @@ -404,7 +405,8 @@ pm6125_l21: l21 {
>  
>  		pm6125_l22: l22 {
>  			regulator-min-microvolt = <2944000>;
> -			regulator-max-microvolt = <3304000>;
> +			regulator-max-microvolt = <2950000>;
> +			regulator-allow-set-load;
>  		};
>  
>  		pm6125_l23: l23 {
> @@ -444,6 +446,15 @@ &sdhc_1 {
>  	status = "okay";
>  };
>  
> +&sdhc_2 {
> +	cd-gpios = <&tlmm 98 GPIO_ACTIVE_HIGH>;
> +	vmmc-supply = <&pm6125_l22>;
> +	vqmmc-supply = <&pm6125_l5>;
> +	no-sdio;
> +	no-mmc;
> +	status = "okay";
> +};
> +
>  &tlmm {
>  	gpio-reserved-ranges = <22 2>, <28 6>;
>