diff options
| author | Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm> | 2023-02-21 09:04:08 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2023-03-14 10:45:50 +0800 |
| commit | 578e75d14d220b9efdff981b42a63b7c50fa52cc (patch) | |
| tree | 6185e355b8f43c20a1bf4fee56818530e8ac9970 /arch/arm64/boot/dts/freescale/imx8mq.dtsi | |
| parent | 3d274f8bb7184c18ad6e9b2c54fb059c5f9086a2 (diff) | |
arm64: dts: imx8mq: Add UART DMA support
UART ports have DMA capability. Describe the UART DMA properties.
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mq.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mq.dtsi | 8 |
1 files changed, 8 insertions, 0 deletions
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"; }; |