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@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
index cda67e8..1bd1465 100644 (file)
--- a/arch/arm/boot/dts/stm32h743.dtsi
+++ b/arch/arm/boot/dts/stm32h743.dtsi
@@ -147,6 +147,7 @@
                        clocks = <&timer_clk>;
                        #dma-cells = <4>;
                        st,mem2mem;
+                       dma-requests = <8>;
                        status = "disabled";
                };
 
@@ -164,9 +165,20 @@
                        clocks = <&timer_clk>;
                        #dma-cells = <4>;
                        st,mem2mem;
+                       dma-requests = <8>;
                        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>;
+               };
+
                adc_12: adc@40022000 {
                        compatible = "st,stm32h7-adc-core";
                        reg = <0x40022000 0x400>;