[PATCH 1/2] arm64: dts: qcom: lemans-evk: enable UART0 for robot expansion board
Canfeng Zhuang
canfeng.zhuang at oss.qualcomm.com
Fri Mar 27 01:31:00 PDT 2026
The lemans-evk mezzanine connector supports a robot expansion board that
requires UART0, which is currently disabled. This prevents the expansion
board from exchanging data and control commands.
Enable UART0 and assign the serial2 alias to provide stable device
enumeration for the expansion board.
Signed-off-by: Canfeng Zhuang <canfeng.zhuang at oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/lemans-evk.dts | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
index 90fce947ca7e..1e9386677bf5 100644
--- a/arch/arm64/boot/dts/qcom/lemans-evk.dts
+++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts
@@ -21,6 +21,7 @@ aliases {
ethernet0 = ðernet0;
mmc1 = &sdhc;
serial0 = &uart10;
+ serial2 = &uart0;
};
dmic: audio-codec-0 {
@@ -870,6 +871,10 @@ usb_id: usb-id-state {
};
};
+&uart0 {
+ status = "okay";
+};
+
&uart10 {
compatible = "qcom,geni-debug-uart";
pinctrl-0 = <&qup_uart10_default>;
--
2.34.1
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