[PATCH v2 2/2] imx53.dtsi : Add DMA configuration for UART

From: Fabien Lahoudere
Date: Thu Aug 04 2016 - 06:26:15 EST


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

Signed-off-by: Fabien Lahoudere <fabien.lahoudere@xxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx53.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index cd17037..c1bc97c 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -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";
};

--
2.7.4