From: Nicolas Ferre <nicolas.ferre@atmel.com>
Date: Thu, 1 Dec 2016 10:49:49 +0000 (+0100)
Subject: ARM: dts: at91: sama5d2 Xplained: use DMA for UART3
X-Git-Tag: v4.11-rc1~87^2~33^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=89a236d68a35539fa985b9a0a8454e41091cc8c5;p=thirdparty%2Flinux.git

ARM: dts: at91: sama5d2 Xplained: use DMA for UART3

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>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---

diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 0b9a59d5fdac7..e2d5cb3fecb1c 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";