ARM: dts: microchip: sama7g54_curiosity: Add power monitor support

Add PAC1934 support in order to monitor the board power consumption.

Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
Link: https://lore.kernel.org/r/20240923064932.5797-4-mihai.sain@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>

Author: Mihai Sain

arch/arm/boot/dts/microchip/at91-sama7g54_curiosity.dts

@@ -186,6 +186,37 @@
 		i2c-digital-filter-width-ns = <35>;
 		status = "okay";
 
+		power-monitor@1f {
+			compatible = "microchip,pac1934";
+			reg = <0x1f>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			channel@1 {
+				reg = <0x1>;
+				shunt-resistor-micro-ohms = <47000>;
+				label = "VDD3V3";
+			};
+
+			channel@2 {
+				reg = <0x2>;
+				shunt-resistor-micro-ohms = <47000>;
+				label = "VDDIODDR";
+			};
+
+			channel@3 {
+				reg = <0x3>;
+				shunt-resistor-micro-ohms = <47000>;
+				label = "VDDCORE";
+			};
+
+			channel@4 {
+				reg = <0x4>;
+				shunt-resistor-micro-ohms = <47000>;
+				label = "VDDCPU";
+			};
+		};
+
 		eeprom@51 {
 			compatible = "atmel,24c02";
 			reg = <0x51>;