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-rw-r--r--arch/arm/boot/dts/at91-sama5d2_xplained.dts2
-rw-r--r--arch/arm/boot/dts/at91-sama5d4_xplained.dts2
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index e74df327cdd3..20618a897c99 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -122,6 +122,8 @@
uart1: serial@f8020000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1_default>;
+ atmel,use-dma-rx;
+ atmel,use-dma-tx;
status = "okay";
};
diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
index da84e65b56ef..e27024cdf48b 100644
--- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
@@ -110,6 +110,8 @@
};
usart3: serial@fc00c000 {
+ atmel,use-dma-rx;
+ atmel,use-dma-tx;
status = "okay";
};