[PATCH 2/2] arm64: dts: qcom: monaco-evk: enable UART6 for robot expansion board

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Sun Mar 29 04:08:57 PDT 2026


On Fri, Mar 27, 2026 at 04:31:01PM +0800, Canfeng Zhuang wrote:
> 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 <canfeng.zhuang at oss.qualcomm.com>
> ---
>  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 565418b86b2a..0b26861eac02 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 = &ethernet0;
>  		i2c1 = &i2c1;
>  		serial0 = &uart7;
> +		serial2 = &uart6;

What happened to serial1?

>  	};
>  
>  	chosen {

-- 
With best wishes
Dmitry



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