ARM: dts: k3-am65: Add OSPI DT nodes

Add OSPI DT nodes to enable OSPI at U-Boot prompt and also to support
OSPI boot.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
diff --git a/arch/arm/dts/k3-am65-mcu.dtsi b/arch/arm/dts/k3-am65-mcu.dtsi
index c42e755..bc9a872 100644
--- a/arch/arm/dts/k3-am65-mcu.dtsi
+++ b/arch/arm/dts/k3-am65-mcu.dtsi
@@ -64,4 +64,42 @@
 			loczrama = <1>;
 		};
 	};
+
+	fss: fss@47000000 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		ospi0: spi@47040000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x0 0x47040000 0x0 0x100>,
+				<0x5 0x00000000 0x1 0x0000000>;
+			interrupts = <GIC_SPI 552 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 248 0>;
+			assigned-clocks = <&k3_clks 248 0>;
+			assigned-clock-parents = <&k3_clks 248 2>;
+			assigned-clock-rates = <166666666>;
+			power-domains = <&k3_pds 248 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		ospi1: spi@47050000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x0 0x47050000 0x0 0x100>,
+				<0x7 0x00000000 0x1 0x00000000>;
+			interrupts = <GIC_SPI 553 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 249 6>;
+			power-domains = <&k3_pds 249 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
 };