arm64: dts: qcom: msm8916-asus-z00l: Add SDCard

Enable SDHCI (SD Card) Storage.
Signed-off-by: J.R. Divya Antony <d.antony.jr@gmail.com>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211012112735.2765-2-d.antony.jr@gmail.com

arch/arm64/boot/dts/qcom/msm8916-asus-z00l.dts

@@ -43,6 +43,21 @@ volume-down {
 		};
 	};
 
+	reg_sd_vmmc: regulator-sdcard-vmmc {
+		compatible = "regulator-fixed";
+		regulator-name = "sdcard-vmmc";
+		regulator-min-microvolt = <2950000>;
+		regulator-max-microvolt = <2950000>;
+
+		gpio = <&msmgpio 87 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		startup-delay-us = <200>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&sd_vmmc_en_default>;
+	};
+
 	usb_id: usb-id {
 		compatible = "linux,extcon-usb-gpio";
 		id-gpios = <&msmgpio 110 GPIO_ACTIVE_HIGH>;
@@ -125,6 +140,16 @@ &sdhc_1 {
 	pinctrl-1 = <&sdc1_clk_off &sdc1_cmd_off &sdc1_data_off>;
 };
 
+&sdhc_2 {
+	status = "okay";
+	vmmc-supply = <&reg_sd_vmmc>;
+
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&sdc2_clk_on &sdc2_cmd_on &sdc2_data_on &sdc2_cd_on>;
+	pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off &sdc2_cd_off>;
+	cd-gpios = <&msmgpio 38 GPIO_ACTIVE_LOW>;
+};
+
 &usb {
 	status = "okay";
 	extcon = <&usb_id>, <&usb_id>;
@@ -262,6 +287,14 @@ mag_reset_default: mag-reset-default {
 		bias-disable;
 	};
 
+	sd_vmmc_en_default: sd-vmmc-en-default {
+		pins = "gpio87";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	touchscreen_default: touchscreen-default {
 		pins = "gpio13";
 		function = "gpio";