Enable SDHCI on sdx75-idp to support SD card.
Also add the required regulators.
Signed-off-by: Naina Mehta <quic_nainmeht@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdx75-idp.dts | 45 ++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdx75-idp.dts b/arch/arm64/boot/dts/qcom/sdx75-idp.dts
index f76e72fb2072..6f94278cf837 100644
--- a/arch/arm64/boot/dts/qcom/sdx75-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sdx75-idp.dts
@@ -41,6 +41,29 @@
vin-supply = <&vph_ext>;
};
+
+ vreg_sd_vccb: sd-vccb {
+ compatible = "regulator-gpio";
+ regulator-name = "vreg_sd_vccb";
+ regulator-min-microvolt = <1650000>;
+ regulator-max-microvolt = <3600000>;
+ enable-gpios = <&tlmm 102 GPIO_ACTIVE_HIGH>;
+ gpios = <&tlmm 84 GPIO_ACTIVE_HIGH>;
+ states = <1650000 0>, <3600000 1>;
+ startup-delay-us = <5000>;
+ enable-active-high;
+ regulator-boot-on;
+
+ vin-supply = <&vph_ext>;
+ };
+
+ vreg_sd_vdd: sd-vdd {
+ compatible = "regulator-fixed";
+ regulator-name = "vreg_sd_vdd";
+ regulator-min-microvolt = <2950000>;
+ regulator-max-microvolt = <2950000>;
+ vin-supply = <&vreg_sd_vccb>;
+ };
};
&apps_rsc {
@@ -259,8 +282,30 @@
status = "okay";
};
+&sdhc {
+ cd-gpios = <&tlmm 103 GPIO_ACTIVE_LOW>;
+ vmmc-supply = <&vreg_sd_vdd>;
+ vqmmc-supply = <&vreg_sd_vccb>;
+ bus-width = <4>;
+ no-sdio;
+ no-mmc;
+
+ pinctrl-0 = <&sdc1_default &sd_cd>;
+ pinctrl-1 = <&sdc1_sleep &sd_cd>;
+ pinctrl-names = "default", "sleep";
+
+ status = "okay";
+};
+
&tlmm {
gpio-reserved-ranges = <110 6>;
+
+ sd_cd: sd-cd-state {
+ pins = "gpio103";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
};
&uart1 {
--
2.17.1
