[PATCH 14/16] arm64: dts: qcom: shikra: Enable BT support on EVK boards
From: Komal Bajaj
Date: Sun May 24 2026 - 15:54:25 EST
From: Yepuri Siddu <ysiddu@xxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxx>
Signed-off-by: Komal Bajaj <komal.bajaj@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts | 12 ++++++++++++
arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts | 12 ++++++++++++
arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts | 20 ++++++++++++++++++++
arch/arm64/boot/dts/qcom/shikra.dtsi | 7 +++++++
4 files changed, 51 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
index b112b21b1d79..259032bd20af 100644
--- a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
+++ b/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 @@ &sdhc_1 {
status = "okay";
};
+
+&uart8 {
+ status = "okay";
+
+ bluetooth {
+ vddio-supply = <&pm4125_l7>;
+ vddxo-supply = <&pm4125_l13>;
+ vddrf-supply = <&pm4125_l10>;
+ vddch0-supply = <&pm4125_l22>;
+ };
+};
diff --git a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
index e62ba5aef71f..142cc8da53ce 100644
--- a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
+++ b/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 @@ &sdhc_1 {
status = "okay";
};
+
+&uart8 {
+ status = "okay";
+
+ bluetooth {
+ vddio-supply = <&pm4125_l7>;
+ vddxo-supply = <&pm4125_l13>;
+ vddrf-supply = <&pm4125_l10>;
+ vddch0-supply = <&pm4125_l22>;
+ };
+};
diff --git a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
index 727809430fd1..9bf52030bcc5 100644
--- a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
+++ b/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 @@ &sdhc_1 {
status = "okay";
};
+
+&uart8 {
+ status = "okay";
+
+ bluetooth {
+ vddio-supply = <&pm8150_s4>;
+ vddxo-supply = <&pm8150_l12>;
+ vddrf-supply = <&pm8150_l8>;
+ vddch0-supply = <&vreg_bt_3p3_dummy>;
+ };
+};
diff --git a/arch/arm64/boot/dts/qcom/shikra.dtsi b/arch/arm64/boot/dts/qcom/shikra.dtsi
index 124d0f05538d..73681bf0e3ea 100644
--- a/arch/arm64/boot/dts/qcom/shikra.dtsi
+++ b/arch/arm64/boot/dts/qcom/shikra.dtsi
@@ -1753,6 +1753,13 @@ &clk_virt SLAVE_QUP_CORE_0 RPM_ALWAYS_TAG>,
pinctrl-names = "default";
status = "disabled";
+
+ bluetooth {
+ compatible = "qcom,wcn3988-bt";
+ enable-gpios = <&tlmm 88 GPIO_ACTIVE_HIGH>;
+ max-speed = <3200000>;
+ };
+
};
i2c9: i2c@4aa4000 {
--
2.34.1