linux-kernel - [PATCH 1/2] ARM: dts: imx6ul: add DMA properties for ECSPI

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Message-Id: <20190107132226.16216-1-stefan@agner.ch>
Date:   Mon,  7 Jan 2019 14:22:25 +0100
From:   Stefan Agner <stefan@...er.ch>
To:     shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, fabio.estevam@....com, linux-imx@....com,
        robh+dt@...nel.org, mark.rutland@....com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Stefan Agner <stefan@...er.ch>
Subject: [PATCH 1/2] ARM: dts: imx6ul: add DMA properties for ECSPI

Allow to use DMA for SPI by adding the appropriate DMA properites
to the ecspi nodes.

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 arch/arm/boot/dts/imx6ul.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
index 6dc0b569acdf..b0193abf7005 100644
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -227,6 +227,8 @@
 					clocks = <&clks IMX6UL_CLK_ECSPI1>,
 						 <&clks IMX6UL_CLK_ECSPI1>;
 					clock-names = "ipg", "per";
+					dmas = <&sdma 3 7 1>, <&sdma 4 7 2>;
+					dma-names = "rx", "tx";
 					status = "disabled";
 				};
 
@@ -239,6 +241,8 @@
 					clocks = <&clks IMX6UL_CLK_ECSPI2>,
 						 <&clks IMX6UL_CLK_ECSPI2>;
 					clock-names = "ipg", "per";
+					dmas = <&sdma 5 7 1>, <&sdma 6 7 2>;
+					dma-names = "rx", "tx";
 					status = "disabled";
 				};
 
@@ -251,6 +255,8 @@
 					clocks = <&clks IMX6UL_CLK_ECSPI3>,
 						 <&clks IMX6UL_CLK_ECSPI3>;
 					clock-names = "ipg", "per";
+					dmas = <&sdma 7 7 1>, <&sdma 8 7 2>;
+					dma-names = "rx", "tx";
 					status = "disabled";
 				};
 
@@ -263,6 +269,8 @@
 					clocks = <&clks IMX6UL_CLK_ECSPI4>,
 						 <&clks IMX6UL_CLK_ECSPI4>;
 					clock-names = "ipg", "per";
+					dmas = <&sdma 9 7 1>, <&sdma 10 7 2>;
+					dma-names = "rx", "tx";
 					status = "disabled";
 				};
 
-- 
2.20.1