From: Monish Chunara <quic_mchunara@xxxxxxxxxxx>
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 <quic_mchunara@xxxxxxxxxxx>
Signed-off-by: Wasim Nazir <wasim.nazir@xxxxxxxxxxxxxxxx>
---
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
