ARM: dts: microchip: sam9x7: Add HLCD controller

Add support for HLCD controller.

Signed-off-by: Dharma Balasubiramani <dharma.b@microchip.com>
Link: https://lore.kernel.org/r/20250611-sam9x7-dts-v1-1-7f52fcb488ad@microchip.com
[claudiu.beznea: keep reg the 1st property on port@0 to comply with dts
 coding style]
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>

Author: Dharma Balasubiramani

arch/arm/boot/dts/microchip/sam9x7.dtsi

@@ -983,6 +983,32 @@
 			status = "disabled";
 		};
 
+		hlcdc: hlcdc@f8038000 {
+			compatible = "microchip,sam9x75-xlcdc";
+			reg = <0xf8038000 0x4000>;
+			interrupts = <25 IRQ_TYPE_LEVEL_HIGH 0>;
+			clocks = <&pmc PMC_TYPE_PERIPHERAL 25>, <&pmc PMC_TYPE_GCK 25>, <&clk32k 1>;
+			clock-names = "periph_clk", "sys_clk", "slow_clk";
+			status = "disabled";
+
+			display-controller {
+				compatible = "atmel,hlcdc-display-controller";
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+				};
+			};
+
+			pwm {
+				compatible = "atmel,hlcdc-pwm";
+				#pwm-cells = <3>;
+			};
+		};
+
 		flx9: flexcom@f8040000 {
 			compatible = "microchip,sam9x7-flexcom", "atmel,sama5d2-flexcom";
 			reg = <0xf8040000 0x200>;