From 578e75d14d220b9efdff981b42a63b7c50fa52cc Mon Sep 17 00:00:00 2001 From: Sebastian Krzyszkowiak Date: Tue, 21 Feb 2023 09:04:08 +0100 Subject: arm64: dts: imx8mq: Add UART DMA support UART ports have DMA capability. Describe the UART DMA properties. Signed-off-by: Sebastian Krzyszkowiak Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8mq.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 9f950a6ac6c9..cd925c0ac911 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -940,6 +940,8 @@ clocks = <&clk IMX8MQ_CLK_UART1_ROOT>, <&clk IMX8MQ_CLK_UART1_ROOT>; clock-names = "ipg", "per"; + dmas = <&sdma1 22 4 0>, <&sdma1 23 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -951,6 +953,8 @@ clocks = <&clk IMX8MQ_CLK_UART3_ROOT>, <&clk IMX8MQ_CLK_UART3_ROOT>; clock-names = "ipg", "per"; + dmas = <&sdma1 26 4 0>, <&sdma1 27 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -962,6 +966,8 @@ clocks = <&clk IMX8MQ_CLK_UART2_ROOT>, <&clk IMX8MQ_CLK_UART2_ROOT>; clock-names = "ipg", "per"; + dmas = <&sdma1 24 4 0>, <&sdma1 25 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -1157,6 +1163,8 @@ clocks = <&clk IMX8MQ_CLK_UART4_ROOT>, <&clk IMX8MQ_CLK_UART4_ROOT>; clock-names = "ipg", "per"; + dmas = <&sdma1 28 4 0>, <&sdma1 29 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; -- cgit