ARM: dts: stm32: Add DMAMUX support on STM32MP157C

Activate DMAMUX for STM32MP157C

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/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index af8bdee..ca213ce 100644 (file)
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -509,6 +509,7 @@
                        clocks = <&rcc DMA1>;
                        #dma-cells = <4>;
                        st,mem2mem;
+                       dma-requests = <8>;
                };
 
                dma2: dma@48001000 {
@@ -525,6 +526,17 @@
                        clocks = <&rcc DMA2>;
                        #dma-cells = <4>;
                        st,mem2mem;
+                       dma-requests = <8>;
+               };
+
+               dmamux1: dma-router@48002000 {
+                       compatible = "st,stm32h7-dmamux";
+                       reg = <0x48002000 0x1c>;
+                       #dma-cells = <3>;
+                       dma-requests = <128>;
+                       dma-masters = <&dma1 &dma2>;
+                       dma-channels = <16>;
+                       clocks = <&rcc DMAMUX>;
                };
 
                rcc: rcc@50000000 {