ARM: dts: at91: at91sam9x5ek: use DMA for USART0

Use DMA for USART0 (which is used as ttyS1) as we have enough channels and to
show how to specify DMA use with serial nodes.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi
index 9d2bbc41a7b0812d2460da3688090a58bd1f1b9d..a85eb51e6aa8dc6d0903e8755206417b183128e4 100644 (file)
--- a/arch/arm/boot/dts/at91sam9x5ek.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5ek.dtsi
@@ -50,6 +50,8 @@
                        };
 
                        usart0: serial@f801c000 {
+                               atmel,use-dma-rx;
+                               atmel,use-dma-tx;
                                status = "okay";
                        };