linux-kernel - [PATCH] ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC

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Date:   Thu, 6 Jul 2017 15:23:08 +0200
From:   Pierre-Yves MORDRET <pierre-yves.mordret@...com>
To:     <devicetree@...r.kernel.or>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <pierre-yves.mordret@...com>
Subject: [PATCH] ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC

This patch adds DMAMUX support for STM32H743 SoC.

Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@...com>
---
 arch/arm/boot/dts/stm32h743.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
index 3d1cd88..0e24a4c 100644
--- a/arch/arm/boot/dts/stm32h743.dtsi
+++ b/arch/arm/boot/dts/stm32h743.dtsi
@@ -106,6 +106,26 @@
 			#dma-cells = <4>;
 			st,mem2mem;
 		};
+
+		dmamux1: dma-router@...20800 {
+			compatible = "st,stm32h7-dmamux";
+			reg = <0x40020800 0x1c>;
+			#dma-cells = <3>;
+			dma-channels = <8>;
+			dma-requests = <128>;
+			dma-masters = <&dma1>;
+			clocks = <&timer_clk>;
+		};
+
+		dmamux2: dma-router@...20820 {
+			compatible = "st,stm32h7-dmamux";
+			reg = <0x40020820 0x1c>;
+			#dma-cells = <3>;
+			dma-channels = <8>;
+			dma-requests = <128>;
+			dma-masters = <&dma2>;
+			clocks = <&timer_clk>;
+		};
 	};
 };
 
-- 
2.7.4