From 3e620e295470435d69520e1e4919483d47891313 Mon Sep 17 00:00:00 2001 From: Canfeng Zhuang Date: Fri, 27 Mar 2026 16:31:00 +0800 Subject: [PATCH] FROMLIST: arm64: dts: qcom: lemans-evk: enable UART0 for robot board 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. Link: https://lore.kernel.org/all/20260327083101.1343613-2-canfeng.zhuang@oss.qualcomm.com/ Signed-off-by: Canfeng Zhuang --- 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 7f379d9b82d78..4959fad178b3e 100644 --- a/arch/arm64/boot/dts/qcom/lemans-evk.dts +++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts @@ -22,6 +22,7 @@ mmc1 = &sdhc; serial0 = &uart10; serial1 = &uart17; + serial2 = &uart0; }; dmic: audio-codec-0 { @@ -1073,6 +1074,10 @@ }; }; +&uart0 { + status = "okay"; +}; + &uart10 { compatible = "qcom,geni-debug-uart"; pinctrl-0 = <&qup_uart10_default>;