From 74620bf0c3c6091ecd7972075f5ddeba29994407 Mon Sep 17 00:00:00 2001 From: Canfeng Zhuang Date: Fri, 27 Mar 2026 16:31:01 +0800 Subject: [PATCH] arm64: dts: qcom: monaco-evk: enable UART6 for robot expansion board The monaco-evk mezzanine connector supports a robot expansion board that requires UART6, which is currently disabled. This prevents the expansion board from exchanging data and control commands. Enable UART6 and assign the serial2 alias to provide stable device enumeration for the expansion board. Signed-off-by: Canfeng Zhuang Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20260327083101.1343613-3-canfeng.zhuang@oss.qualcomm.com Signed-off-by: Bjorn Andersson --- arch/arm64/boot/dts/qcom/monaco-evk.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/qcom/monaco-evk.dts index 3858872e97d9..9d17ef7d2caf 100644 --- a/arch/arm64/boot/dts/qcom/monaco-evk.dts +++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts @@ -21,6 +21,7 @@ aliases { ethernet0 = ðernet0; i2c1 = &i2c1; serial0 = &uart7; + serial2 = &uart6; }; chosen { @@ -861,6 +862,10 @@ expander4_int: expander4-int-state { }; }; +&uart6 { + status = "okay"; +}; + &uart7 { status = "okay"; };