FROMLIST: arm64: dts: qcom: shikra: Enable BT support on EVK boards

Enable uart8 and add WCN3988 Bluetooth node with board-specific regulator
supplies across CQM, CQS and IQS Shikra EVK boards.

Signed-off-by: Yepuri Siddu <yepuri.siddu@oss.qualcomm.com>
Signed-off-by: Komal Bajaj <komal.bajaj@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260525-shikra-dt-m1-v1-14-f51a9838dbaa@oss.qualcomm.com

Author: Yepuri Siddu

arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts

@@ -16,6 +16,7 @@
 	aliases {
 		mmc0 = &sdhc_1;
 		serial0 = &uart0;
+		serial1 = &uart8;
 	};
 
 	chosen {
@@ -57,3 +58,14 @@
 
 	status = "okay";
 };
+
+&uart8 {
+	status = "okay";
+
+	bluetooth {
+		vddio-supply = <&pm4125_l7>;
+		vddxo-supply = <&pm4125_l13>;
+		vddrf-supply = <&pm4125_l10>;
+		vddch0-supply = <&pm4125_l22>;
+	};
+};

arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts

@@ -16,6 +16,7 @@
 	aliases {
 		mmc0 = &sdhc_1;
 		serial0 = &uart0;
+		serial1 = &uart8;
 	};
 
 	chosen {
@@ -57,3 +58,14 @@
 
 	status = "okay";
 };
+
+&uart8 {
+	status = "okay";
+
+	bluetooth {
+		vddio-supply = <&pm4125_l7>;
+		vddxo-supply = <&pm4125_l13>;
+		vddrf-supply = <&pm4125_l10>;
+		vddch0-supply = <&pm4125_l22>;
+	};
+};

arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts

@@ -16,11 +16,20 @@
 	aliases {
 		mmc0 = &sdhc_1;
 		serial0 = &uart0;
+		serial1 = &uart8;
 	};
 
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	vreg_bt_3p3_dummy: regulator-bt-3p3-dummy {
+		compatible = "regulator-fixed";
+		regulator-name = "bt_3p3_dummy";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
 };
 
 &remoteproc_cdsp {
@@ -57,3 +66,14 @@
 
 	status = "okay";
 };
+
+&uart8 {
+	status = "okay";
+
+	bluetooth {
+		vddio-supply = <&pm8150_s4>;
+		vddxo-supply = <&pm8150_l12>;
+		vddrf-supply = <&pm8150_l8>;
+		vddch0-supply = <&vreg_bt_3p3_dummy>;
+	};
+};

arch/arm64/boot/dts/qcom/shikra.dtsi

@@ -1805,6 +1805,13 @@
 				pinctrl-names = "default";
 
 				status = "disabled";
+
+				bluetooth {
+					compatible = "qcom,wcn3988-bt";
+					enable-gpios = <&tlmm 88 GPIO_ACTIVE_HIGH>;
+					max-speed = <3200000>;
+				};
+
 			};
 
 			i2c9: i2c@4aa4000 {