linux-kernel - [PATCH] ARM: dts: stm32: Add DMA support for STM32F746 SoC

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Date:   Thu, 6 Jul 2017 15:22:43 +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 DMA support for STM32F746 SoC

This patch adds DMA support for STM32F746 SoC.

Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@...com>
---
 arch/arm/boot/dts/stm32f746.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index c2765ce..bfffea4 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -344,6 +344,37 @@
 			assigned-clocks = <&rcc 1 CLK_HSE_RTC>;
 			assigned-clock-rates = <1000000>;
 		};
+
+		dma1: dma@...26000 {
+			compatible = "st,stm32-dma";
+			reg = <0x40026000 0x400>;
+			interrupts = <11>,
+				     <12>,
+				     <13>,
+				     <14>,
+				     <15>,
+				     <16>,
+				     <17>,
+				     <47>;
+			clocks = <&rcc 0 21>;
+			#dma-cells = <4>;
+		};
+
+		dma2: dma@...26400 {
+			compatible = "st,stm32-dma";
+			reg = <0x40026400 0x400>;
+			interrupts = <56>,
+				     <57>,
+				     <58>,
+				     <59>,
+				     <60>,
+				     <68>,
+				     <69>,
+				     <70>;
+			clocks = <&rcc 0 22>;
+			#dma-cells = <4>;
+			st,mem2mem;
+		};
 	};
 };
 
-- 
2.7.4