linux-kernel - [PATCH v2 2/2] arm64: dts: qcom: 8x16: UART1 and UART2 use DMA for RX and TX

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Message-Id: <1442582334-29387-3-git-send-email-ivan.ivanov@linaro.org>
Date:	Fri, 18 Sep 2015 16:18:54 +0300
From:	"Ivan T. Ivanov" <ivan.ivanov@...aro.org>
To:	Andy Gross <agross@...eaurora.org>
Cc:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Stanimir Varbanov <stanimir.varbanov@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org
Subject: [PATCH v2 2/2] arm64: dts: qcom: 8x16: UART1 and UART2 use DMA for RX and TX

Add DMA channels definitions for UART1 and UART2 controllers.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@...aro.org>
---
 arch/arm64/boot/dts/qcom/msm8916.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 85f7bee33c18..4d313a9eba7b 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -108,6 +108,8 @@
 			interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&gcc GCC_BLSP1_UART1_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>;
 			clock-names = "core", "iface";
+			dmas = <&blsp_dma 1>, <&blsp_dma 0>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 		};

@@ -117,6 +119,8 @@
 			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&gcc GCC_BLSP1_UART2_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>;
 			clock-names = "core", "iface";
+			dmas = <&blsp_dma 3>, <&blsp_dma 2>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 		};

--
1.9.1

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