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Date: Fri, 29 Sep 2017 11:37:48 +0200
From: Pierre-Yves MORDRET <pierre-yves.mordret@...com>
To: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Russell King <linux@...linux.org.uk>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...com>
CC: <devicetree@...r.kernel.or>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
Pierre-Yves MORDRET <pierre-yves.mordret@...com>
Subject: [PATCH v2] 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>
---
Version history:
v2:
* Update DTS to be compliant with up-streamed bindings
v1:
* Initial
---
---
arch/arm/boot/dts/stm32h743.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
index c8e1137..ee29bbe 100644
--- a/arch/arm/boot/dts/stm32h743.dtsi
+++ b/arch/arm/boot/dts/stm32h743.dtsi
@@ -207,6 +207,7 @@
<47>;
clocks = <&timer_clk>;
#dma-cells = <4>;
+ dma-requests = <8>;
st,mem2mem;
};
@@ -223,9 +224,20 @@
<70>;
clocks = <&timer_clk>;
#dma-cells = <4>;
+ dma-requests = <8>;
st,mem2mem;
};
+ dmamux1: dma-router@...20800 {
+ compatible = "st,stm32h7-dmamux";
+ reg = <0x40020800 0x1c>;
+ #dma-cells = <3>;
+ dma-channels = <16>;
+ dma-requests = <128>;
+ dma-masters = <&dma1 &dma2>;
+ clocks = <&timer_clk>;
+ };
+
mdma1: dma@...00000 {
compatible = "st,stm32h7-mdma";
reg = <0x52000000 0x1000>;
--
2.7.4
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