arm64: dts: imx8mq: Add eCSPI DMA support

eCSPI ports have DMA capability. Describe the eCSPI DMA properties.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index c9874df..4ef8c92 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -835,6 +835,8 @@
                                clocks = <&clk IMX8MQ_CLK_ECSPI1_ROOT>,
                                         <&clk IMX8MQ_CLK_ECSPI1_ROOT>;
                                clock-names = "ipg", "per";
+                               dmas = <&sdma1 0 7 1>, <&sdma1 1 7 2>;
+                               dma-names = "rx", "tx";
                                status = "disabled";
                        };
 
@@ -847,6 +849,8 @@
                                clocks = <&clk IMX8MQ_CLK_ECSPI2_ROOT>,
                                         <&clk IMX8MQ_CLK_ECSPI2_ROOT>;
                                clock-names = "ipg", "per";
+                               dmas = <&sdma1 2 7 1>, <&sdma1 3 7 2>;
+                               dma-names = "rx", "tx";
                                status = "disabled";
                        };
 
@@ -859,6 +863,8 @@
                                clocks = <&clk IMX8MQ_CLK_ECSPI3_ROOT>,
                                         <&clk IMX8MQ_CLK_ECSPI3_ROOT>;
                                clock-names = "ipg", "per";
+                               dmas = <&sdma1 4 7 1>, <&sdma1 5 7 2>;
+                               dma-names = "rx", "tx";
                                status = "disabled";
                        };