Re: [PATCH 07/10] arm64: dts: qcom: sm6350-lena: Provide power to SDHCI 2 (SDCard slot)

From: Konrad Dybcio
Date: Mon Oct 31 2022 - 17:14:33 EST




On 30.10.2022 08:32, Marijn Suijten wrote:
> Without power the SDCard slot / hardware remains dormant.
>
> Like many other platforms these regulators are used exclusively by
> SDHCI, and have their maximum voltage decreased to what downstream sets
> on the consumer side. Additionally the SDHCI driver supports setting a
> load, for which the regulator definition is extended much the same.
>
> Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>

Konrad
> .../dts/qcom/sm6350-sony-xperia-lena-pdx213.dts | 17 +++++++++++++++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts b/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts
> index 1aaa9612b061..5cb76026ef67 100644
> --- a/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts
> +++ b/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts
> @@ -219,8 +219,13 @@ pm6150l_l5: ldo5 {
>
> pm6150l_l6: ldo6 {
> regulator-min-microvolt = <1700000>;
> - regulator-max-microvolt = <3544000>;
> + regulator-max-microvolt = <2950000>;
> regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + regulator-allowed-modes =
> + <RPMH_REGULATOR_MODE_LPM
> + RPMH_REGULATOR_MODE_HPM>;
> +
> };
>
> pm6150l_l7: ldo7 {
> @@ -237,8 +242,13 @@ pm6150l_l8: ldo8 {
>
> pm6150l_l9: ldo9 {
> regulator-min-microvolt = <2700000>;
> - regulator-max-microvolt = <3544000>;
> + regulator-max-microvolt = <2960000>;
> regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + regulator-allowed-modes =
> + <RPMH_REGULATOR_MODE_LPM
> + RPMH_REGULATOR_MODE_HPM>;
> +
> };
>
> pm6150l_l10: ldo10 {
> @@ -300,6 +310,9 @@ sd-cd-pins {
> &sdhc_2 {
> status = "okay";
>
> + vmmc-supply = <&pm6150l_l9>;
> + vqmmc-supply = <&pm6150l_l6>;
> +
> cd-gpios = <&tlmm 94 GPIO_ACTIVE_HIGH>;
> };
>