[PATCH 3/3] ARM: dts: at91: sama5d2 Xplained: use DMA for UART3
Nicolas Ferre
nicolas.ferre at atmel.com
Thu Dec 1 02:49:49 PST 2016
Use DMA for UART3 as we have enough channels and to show how to
specify DMA use with serial nodes.
Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
---
arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 0b9a59d5fdac..e2d5cb3fecb1 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -256,6 +256,8 @@
};
uart3: serial at fc008000 {
+ atmel,use-dma-rx;
+ atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3_default>;
status = "okay";
--
2.9.0
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