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arm64: dts: imx8mq: Add UART DMA support

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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>
This commit is contained in:
Sebastian Krzyszkowiak
2023-02-21 09:04:08 +01:00
committed by Shawn Guo
parent 3d274f8bb7
commit 578e75d14d
1 changed files with 8 additions and 0 deletions
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8
arch/arm64/boot/dts/freescale/imx8mq.dtsi
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@@ -940,6 +940,8 @@ uart1: serial@30860000 {
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 @@ uart3: serial@30880000 {
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 @@ uart2: serial@30890000 {
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 @@ uart4: serial@30a60000 {
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";
};