arm64: dts: ti: am6-main: Add gpio nodes

Add gpio0/1 nodes under main domain. They have 96 and 90 gpios
respectively and all are capable of generating banked interrupts.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>

arch/arm64/boot/dts/ti/k3-am65-main.dtsi

@@ -350,4 +350,36 @@ inta_main_udmass: interrupt-controller@33d00000 {
 			ti,sci-rm-range-global-event = <0x1>;
 		};
 	};
+
+	main_gpio0:  main_gpio0@600000 {
+		compatible = "ti,am654-gpio", "ti,keystone-gpio";
+		reg = <0x0 0x600000 0x0 0x100>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-parent = <&intr_main_gpio>;
+		interrupts = <57 256>, <57 257>, <57 258>, <57 259>, <57 260>,
+				<57 261>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		ti,ngpio = <96>;
+		ti,davinci-gpio-unbanked = <0>;
+		clocks = <&k3_clks 57 0>;
+		clock-names = "gpio";
+	};
+
+	main_gpio1:  main_gpio1@601000 {
+		compatible = "ti,am654-gpio", "ti,keystone-gpio";
+		reg = <0x0 0x601000 0x0 0x100>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-parent = <&intr_main_gpio>;
+		interrupts = <58 256>, <58 257>, <58 258>, <58 259>, <58 260>,
+				<58 261>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		ti,ngpio = <90>;
+		ti,davinci-gpio-unbanked = <0>;
+		clocks = <&k3_clks 58 0>;
+		clock-names = "gpio";
+	};
 };