Messages in this thread Patch in this message | | | From | Claudiu Beznea <> | Subject | [PATCH 15/15] ARM: dts: at91: at91sam9x5ek: use DMA for USART0 | Date | Mon, 9 Oct 2017 19:09:37 +0300 |
| |
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> --- 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
| |