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Groups > linux.kernel > #1533963
| From | Nicolas Ferre <nicolas.ferre@atmel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3/3] ARM: dts: at91: sama5d2 Xplained: use DMA for UART3 |
| Date | 2016-12-01 12:00 +0100 |
| Message-ID | <sJxfP-2MX-1@gated-at.bofh.it> (permalink) |
| References | <sJxfP-2MX-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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@atmel.com>
---
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
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[PATCH 3/3] ARM: dts: at91: sama5d2 Xplained: use DMA for UART3 Nicolas Ferre <nicolas.ferre@atmel.com> - 2016-12-01 12:00 +0100
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