Enable DMA transfers for serial ports.
Signed-off-by: Robert Baldyga <r.bald...@samsung.com>
---
arch/arm/boot/dts/exynos4.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index e20cdc2..21b839b 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -426,6 +426,8 @@
interrupts = <0 52 0>;
clocks = <&clock CLK_UART0>, <&clock CLK_SCLK_UART0>;
clock-names = "uart", "clk_uart_baud0";
+ dmas = <&pdma0 15>, <&pdma0 16>;
+ dma-names = "rx", "tx";
status = "disabled";
};
@@ -435,6 +437,8 @@
interrupts = <0 53 0>;
clocks = <&clock CLK_UART1>, <&clock CLK_SCLK_UART1>;
clock-names = "uart", "clk_uart_baud0";
+ dmas = <&pdma1 15>, <&pdma1 16>;
+ dma-names = "rx", "tx";
status = "disabled";
};
@@ -444,6 +448,8 @@
interrupts = <0 54 0>;
clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>;
clock-names = "uart", "clk_uart_baud0";
+ dmas = <&pdma0 17>, <&pdma0 18>;
+ dma-names = "rx", "tx";
status = "disabled";
};
@@ -453,6 +459,8 @@
interrupts = <0 55 0>;
clocks = <&clock CLK_UART3>, <&clock CLK_SCLK_UART3>;
clock-names = "uart", "clk_uart_baud0";
+ dmas = <&pdma1 17>, <&pdma1 18>;
+ dma-names = "rx", "tx";
status = "disabled";
};
--
1.9.1
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