arm64: dts: ti: k3-j721e-mcu: add mcu cpsw cpts node

Add DT node for The TI J721E MCU CPSW CPTS which is part of MCU CPSW NUSS.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi

@@ -338,5 +338,14 @@ davinci_mdio: mdio@f00 {
 			clock-names = "fck";
 			bus_freq = <1000000>;
 		};
+
+		cpts {
+			clocks = <&k3_clks 18 2>;
+			clock-names = "cpts";
+			interrupts-extended = <&gic500 GIC_SPI 858 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "cpts";
+			ti,cpts-ext-ts-inputs = <4>;
+			ti,cpts-periodic-outputs = <2>;
+		};
 	};
 };