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[v2] ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC

Message ID 1506677868-16039-1-git-send-email-pierre-yves.mordret@st.com (mailing list archive)
State New, archived
Headers show

Commit Message

Pierre Yves MORDRET Sept. 29, 2017, 9:37 a.m. UTC 
This patch adds DMAMUX support for STM32H743 SoC.

Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.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(+)
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Patch

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@40020800 {
+			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@52000000 {
 			compatible = "st,stm32h7-mdma";
 			reg = <0x52000000 0x1000>;