dts/arm/st/mp2/stm32mp2_m33.dtsi: add hpdma3 node

Add a new HPDMA3 node to the STM32MP2 M33 device tree.
With the current configuration, the Cortex-M33 can only use the HPDMA3
channels 0 to 13.

Signed-off-by: Youssef Zini <[email protected]>

Author: youssefz24

dts/arm/st/mp2/stm32mp2_m33.dtsi

@@ -9,6 +9,7 @@
 #include <mem.h>
 #include <zephyr/dt-bindings/gpio/gpio.h>
 #include <zephyr/dt-bindings/clock/stm32mp2_clock.h>
+#include <zephyr/dt-bindings/dma/stm32_dma.h>
 #include <zephyr/dt-bindings/reset/stm32mp2_reset.h>
 
 / {
@@ -240,6 +241,19 @@
 			interrupts = <150 0>;
 			status = "disabled";
 		};
+
+		hpdma3: dma@40420000 {
+			compatible = "st,stm32-dma-v3";
+			reg = <0x40420000 DT_SIZE_K(4)>;
+			#dma-cells = <3>;
+			interrupts = <65 0>, <66 0>, <67 0>, <68 0>,
+				     <69 0>, <70 0>, <71 0>, <72 0>,
+				     <73 0>, <74 0>, <75 0>, <76 0>,
+				     <77 0>, <78 0>;
+			dma-channels = <14>;
+			dma-requests = <183>;
+			dma-offset = <0>;
+		};
 	};
 
 	clocks {