linux-kernel - [PATCH 1/2] ARM: dts: nxp: imx6ul: add dma support for all uarts

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Message-Id: <20240918-imx6ul-sdma-v1-1-d25abd56e65c@geanix.com>
Date: Wed, 18 Sep 2024 14:07:42 +0200
From: Sean Nyekjaer <sean@...nix.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Sean Nyekjaer <sean@...nix.com>
Subject: [PATCH 1/2] ARM: dts: nxp: imx6ul: add dma support for all uarts

Add dma support on uart1, uart2, uart3, uart4, uart5, uart6 and uart7.

Signed-off-by: Sean Nyekjaer <sean@...nix.com>
---
 arch/arm/boot/dts/nxp/imx/imx6ul.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
index 235aa676618b..6de224dd2bb9 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
@@ -274,6 +274,8 @@ uart7: serial@...8000 {
 					clocks = <&clks IMX6UL_CLK_UART7_IPG>,
 						 <&clks IMX6UL_CLK_UART7_SERIAL>;
 					clock-names = "ipg", "per";
+					dmas = <&sdma 43 4 0>, <&sdma 44 4 0>;
+					dma-names = "rx", "tx";
 					status = "disabled";
 				};
 
@@ -285,6 +287,8 @@ uart1: serial@...0000 {
 					clocks = <&clks IMX6UL_CLK_UART1_IPG>,
 						 <&clks IMX6UL_CLK_UART1_SERIAL>;
 					clock-names = "ipg", "per";
+					dmas = <&sdma 25 4 0>, <&sdma 26 4 0>;
+					dma-names = "rx", "tx";
 					status = "disabled";
 				};
 
@@ -296,6 +300,8 @@ uart8: serial@...4000 {
 					clocks = <&clks IMX6UL_CLK_UART8_IPG>,
 						 <&clks IMX6UL_CLK_UART8_SERIAL>;
 					clock-names = "ipg", "per";
+					dmas = <&sdma 45 4 0>, <&sdma 46 4 0>;
+					dma-names = "rx", "tx";
 					status = "disabled";
 				};
 
@@ -1075,6 +1081,8 @@ uart2: serial@...8000 {
 				clocks = <&clks IMX6UL_CLK_UART2_IPG>,
 					 <&clks IMX6UL_CLK_UART2_SERIAL>;
 				clock-names = "ipg", "per";
+				dmas = <&sdma 27 4 0>, <&sdma 28 4 0>;
+				dma-names = "rx", "tx";
 				status = "disabled";
 			};
 
@@ -1086,6 +1094,8 @@ uart3: serial@...c000 {
 				clocks = <&clks IMX6UL_CLK_UART3_IPG>,
 					 <&clks IMX6UL_CLK_UART3_SERIAL>;
 				clock-names = "ipg", "per";
+				dmas = <&sdma 29 4 0>, <&sdma 30 4 0>;
+				dma-names = "rx", "tx";
 				status = "disabled";
 			};
 
@@ -1097,6 +1107,8 @@ uart4: serial@...0000 {
 				clocks = <&clks IMX6UL_CLK_UART4_IPG>,
 					 <&clks IMX6UL_CLK_UART4_SERIAL>;
 				clock-names = "ipg", "per";
+				dmas = <&sdma 31 4 0>, <&sdma 32 4 0>;
+				dma-names = "rx", "tx";
 				status = "disabled";
 			};
 
@@ -1108,6 +1120,8 @@ uart5: serial@...4000 {
 				clocks = <&clks IMX6UL_CLK_UART5_IPG>,
 					 <&clks IMX6UL_CLK_UART5_SERIAL>;
 				clock-names = "ipg", "per";
+				dmas = <&sdma 33 4 0>, <&sdma 34 4 0>;
+				dma-names = "rx", "tx";
 				status = "disabled";
 			};
 
@@ -1129,6 +1143,8 @@ uart6: serial@...c000 {
 				clocks = <&clks IMX6UL_CLK_UART6_IPG>,
 					 <&clks IMX6UL_CLK_UART6_SERIAL>;
 				clock-names = "ipg", "per";
+				dmas = <&sdma 0 4 0>, <&sdma 47 4 0>;
+				dma-names = "rx", "tx";
 				status = "disabled";
 			};
 		};

-- 
2.45.2