[PATCH 3/3] ARM: dts: at91: sama5d2 Xplained: use DMA for UART3

From: Nicolas Ferre
Date: Thu Dec 01 2016 - 05:51:03 EST


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@xxxxxxxxx>
---
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@fc008000 {
+ atmel,use-dma-rx;
+ atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3_default>;
status = "okay";
--
2.9.0