dts: arm: st: u5: add fdcan to stm32u5 series

Add support for the fdcan peripheral to the stm32u5 series device tree
include. This can be applied here since (at present) all of the stm32u5
series MCUs have an FDCAN peripheral.

Signed-off-by: Peter Maxwell Warasila <[email protected]>

Author: warasilapm

dts/arm/st/u5/stm32u5.dtsi

@@ -391,6 +391,32 @@
 			has-vref-channel;
 		};
 
+		can {
+			compatible = "bosch,m-can-base";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			std-filter-elements = <28>;
+			ext-filter-elements = <8>;
+			rx-fifo0-elements = <3>;
+			rx-fifo1-elements = <3>;
+			rx-buffer-elements = <0>;
+			tx-buffer-elements = <3>;
+
+			can1: can@4000a400 {
+				compatible = "st,stm32-fdcan";
+				reg = <0x4000a400 0x400>, <0x4000ac00 0x350>;
+				reg-names = "m_can", "message_ram";
+				interrupts = <39 0>, <40 0>;
+				interrupt-names = "LINE_0", "LINE_1";
+				status = "disabled";
+				label = "CAN_1";
+				sjw = <1>;
+				sample-point = <875>;
+				sjw-data = <1>;
+				sample-point-data = <875>;
+			};
+		};
+
 		ucpd1: ucpd@4000dc00 {
 			compatible = "st,stm32-ucpd";
 			reg = <0x4000dc00 0x400>;