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Commit d04eba90 authored by Fabien Lahoudere's avatar Fabien Lahoudere Committed by Shawn Guo
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ARM: dts: imx53: Add DMA configuration for UART 



In order to use sdma with UART, we need to add DMA configuration in device tree.

Signed-off-by: default avatarFabien Lahoudere <fabien.lahoudere@collabora.co.uk>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 9eebb750

arch/arm/boot/dts/imx53.dtsi

+10 −0
Original line number Diff line number Diff line
@@ -217,6 +217,8 @@ 
					clocks = <&clks IMX5_CLK_UART3_IPG_GATE>,

					         <&clks IMX5_CLK_UART3_PER_GATE>;

					clock-names = "ipg", "per";

					dmas = <&sdma 42 4 0>, <&sdma 43 4 0>;

					dma-names = "rx", "tx";

					status = "disabled";

				};
@@ -498,6 +500,8 @@ 
				clocks = <&clks IMX5_CLK_UART1_IPG_GATE>,

				         <&clks IMX5_CLK_UART1_PER_GATE>;

				clock-names = "ipg", "per";

				dmas = <&sdma 18 4 0>, <&sdma 19 4 0>;

				dma-names = "rx", "tx";

				status = "disabled";

			};
@@ -508,6 +512,8 @@ 
				clocks = <&clks IMX5_CLK_UART2_IPG_GATE>,

				         <&clks IMX5_CLK_UART2_PER_GATE>;

				clock-names = "ipg", "per";

				dmas = <&sdma 12 4 0>, <&sdma 13 4 0>;

				dma-names = "rx", "tx";

				status = "disabled";

			};
@@ -591,6 +597,8 @@ 
				clocks = <&clks IMX5_CLK_UART4_IPG_GATE>,

				         <&clks IMX5_CLK_UART4_PER_GATE>;

				clock-names = "ipg", "per";

				dmas = <&sdma 2 4 0>, <&sdma 3 4 0>;

				dma-names = "rx", "tx";

				status = "disabled";

			};

		};
@@ -621,6 +629,8 @@ 
				clocks = <&clks IMX5_CLK_UART5_IPG_GATE>,

				         <&clks IMX5_CLK_UART5_PER_GATE>;

				clock-names = "ipg", "per";

				dmas = <&sdma 16 4 0>, <&sdma 17 4 0>;

				dma-names = "rx", "tx";

				status = "disabled";

			};