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[PATCH] arm64: dts: qcom: sdm845-sony-xperia-tama: Fix Bluetooth UART pinctrl

From: Shujath Mohd <hidden>
Date: 2026-08-09 13:23:39
Also in: linux-arm-msm
Subsystem: arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers: Bjorn Andersson, Konrad Dybcio, Linus Torvalds

Use the 4-pin UART6 pinctrl configuration for the WCN3990 Bluetooth
controller on Sony Xperia Tama devices.

This enables the UART hardware flow control required for reliable
Bluetooth communication at higher baud rates.

Signed-off-by: Shujath Mohd <redacted>
---
 arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi | 1 +
 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
index 14663948d4c8..395e8f1141e3 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
@@ -775,6 +775,7 @@ int-pins {
 
 &uart6 {
 	status = "okay";
+	pinctrl-0 = <&qup_uart6_4pin>;
 
 	bluetooth {
 		compatible = "qcom,wcn3990-bt";
-- 
2.55.0
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