[PATCH V2 2/2] arm64: dts: imx8mn: Configure DMA on UART2

[Ahmad Fatoum]

On 7/3/25 13:38, Adam Ford wrote:
> UART2 is often used as the console, so the DMA was likely left
> off on purpose, since it's recommended to not use the DMA on the
> console. Because, the driver checks to see if the UART is used for
> the console when determining if it should initialize DMA, it
> should be safe to enable DMA on UART2 for all users.
> 
> Signed-off-by: Adam Ford <aford173 at gmail.com>

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

> ---
> V2:  Fix spelling errors in commit message
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> index 848ba5e46ee6..b98b3d0ddf25 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> @@ -860,6 +860,8 @@ uart2: serial at 30890000 {
>  					clocks = <&clk IMX8MN_CLK_UART2_ROOT>,
>  						 <&clk IMX8MN_CLK_UART2_ROOT>;
>  					clock-names = "ipg", "per";
> +					dmas = <&sdma1 24 4 0>, <&sdma1 25 4 0>;
> +					dma-names = "rx", "tx";
>  					status = "disabled";
>  				};
>  			};

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