From: Adam Ford Date: Thu, 3 Jul 2025 11:38:09 +0000 (-0500) Subject: arm64: dts: imx8mm: Configure DMA on UART2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a69f7234e01bbd43f57d6d4eee59ab348eaec6cc;p=thirdparty%2Fkernel%2Fstable.git arm64: dts: imx8mm: Configure DMA on UART2 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 Reviewed-by: Fabio Estevam Reviewed-by: Ahmad Fatoum Signed-off-by: Shawn Guo --- diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index cfebaa01217e..ded89b046970 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -915,6 +915,8 @@ clocks = <&clk IMX8MM_CLK_UART2_ROOT>, <&clk IMX8MM_CLK_UART2_ROOT>; clock-names = "ipg", "per"; + dmas = <&sdma1 24 4 0>, <&sdma1 25 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; };