From: Nicolas Ferre <[email protected]> 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 <[email protected]> Signed-off-by: Claudiu Beznea <[email protected]> --- arch/arm/boot/dts/at91sam9x5ek.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi index 9d2bbc41a7b0..a85eb51e6aa8 100644 --- 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"; }; -- 2.7.4
