Messages in this thread Patch in this message | | | From | Pierre-Yves MORDRET <> | Subject | [PATCH v3] ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC | Date | Fri, 29 Sep 2017 16:18:55 +0200 |
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This patch adds DMAMUX support for STM32H743 SoC.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> --- Version history: v3: * Rebase on v4.14-rc2 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 58ec227..e8457f6 100644 --- a/arch/arm/boot/dts/stm32h743.dtsi +++ b/arch/arm/boot/dts/stm32h743.dtsi @@ -121,6 +121,7 @@ clocks = <&timer_clk>; #dma-cells = <4>; st,mem2mem; + dma-requests = <8>; status = "disabled"; }; @@ -138,6 +139,7 @@ clocks = <&timer_clk>; #dma-cells = <4>; st,mem2mem; + dma-requests = <8>; status = "disabled"; }; @@ -193,6 +195,16 @@ status = "disabled"; }; }; + + dmamux1: dma-router@40020800 { + compatible = "st,stm32h7-dmamux"; + reg = <0x40020800 0x1c>; + #dma-cells = <3>; + dma-channels = <16>; + dma-requests = <128>; + dma-masters = <&dma1 &dma2>; + clocks = <&timer_clk>; + }; }; }; -- 2.7.4
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