[PATCH v2 10/13] arm64: dts: qcom: lemans-evk: Enable SDHCI for SD Card
From: Wasim Nazir <hidden>
Date: 2025-09-03 11:48:22
Also in:
linux-arm-msm, linux-devicetree, linux-mmc, lkml
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
From: Monish Chunara <redacted> Enable the SD Host Controller Interface (SDHCI) on the lemans EVK board to support SD card for storage. Also add the corresponding regulators. Signed-off-by: Monish Chunara <redacted> Signed-off-by: Wasim Nazir <redacted> --- arch/arm64/boot/dts/qcom/lemans-evk.dts | 43 +++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
index b67b909fb97f..c9e7977466b3 100644
--- a/arch/arm64/boot/dts/qcom/lemans-evk.dts
+++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts@@ -16,6 +16,7 @@ / { compatible = "qcom,lemans-evk", "qcom,qcs9100", "qcom,sa8775p"; aliases { + mmc1 = &sdhc; serial0 = &uart10; };
@@ -46,6 +47,28 @@ edp1_connector_in: endpoint { }; }; }; + + vmmc_sdc: regulator-vmmc-sdc { + compatible = "regulator-fixed"; + + regulator-name = "vmmc_sdc"; + regulator-min-microvolt = <2950000>; + regulator-max-microvolt = <2950000>; + }; + + vreg_sdc: regulator-vreg-sdc { + compatible = "regulator-gpio"; + + regulator-name = "vreg_sdc"; + regulator-type = "voltage"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <2950000>; + + gpios = <&expander1 7 GPIO_ACTIVE_HIGH>; + states = <1800000 1>, <2950000 0>; + + startup-delay-us = <100>; + }; }; &apps_rsc {
@@ -461,6 +484,20 @@ &remoteproc_gpdsp1 { status = "okay"; }; +&sdhc { + vmmc-supply = <&vmmc_sdc>; + vqmmc-supply = <&vreg_sdc>; + + pinctrl-0 = <&sdc_default>, <&sd_cd>; + pinctrl-1 = <&sdc_sleep>, <&sd_cd>; + pinctrl-names = "default", "sleep"; + + bus-width = <4>; + cd-gpios = <&tlmm 36 GPIO_ACTIVE_LOW>; + + status = "okay"; +}; + &sleep_clk { clock-frequency = <32768>; };
@@ -511,6 +548,12 @@ wake-pins { bias-pull-up; }; }; + + sd_cd: sd-cd-state { + pins = "gpio36"; + function = "gpio"; + bias-pull-up; + }; }; &uart10 {
--
2.51.0