diff --git a/arch/arm/dts/k3-am69-r5-sk.dts b/arch/arm/dts/k3-am69-r5-sk.dts
index 1ca45a06e8..b9e8036f20 100644
--- a/arch/arm/dts/k3-am69-r5-sk.dts
+++ b/arch/arm/dts/k3-am69-r5-sk.dts
@@ -165,4 +165,9 @@
 	ti,sci = <&dm_tifs>;
 };
 
+&ospi0 {
+	reg = <0x0 0x47040000 0x0 0x100>,
+		<0x0 0x50000000 0x0 0x8000000>;
+};
+
 #include "k3-am69-sk-u-boot.dtsi"
diff --git a/arch/arm/dts/k3-am69-sk-u-boot.dtsi b/arch/arm/dts/k3-am69-sk-u-boot.dtsi
index 5c512d1e82..c929061b2c 100644
--- a/arch/arm/dts/k3-am69-sk-u-boot.dtsi
+++ b/arch/arm/dts/k3-am69-sk-u-boot.dtsi
@@ -22,6 +22,7 @@
 		i2c2 = &mcu_i2c1;
 		i2c3 = &main_i2c0;
 		ethernet0 = &mcu_cpsw_port1;
+		spi0 = &ospi0;
 	};
 };
 
@@ -162,6 +163,10 @@
 	};
 };
 
+&mcu_fss0_ospi0_pins_default {
+	bootph-pre-ram;
+};
+
 &serdes_ln_ctrl {
 	u-boot,mux-autoprobe;
 };
@@ -170,6 +175,22 @@
 	u-boot,mux-autoprobe;
 };
 
+&fss {
+	bootph-pre-ram;
+};
+
+&ospi0 {
+	bootph-pre-ram;
+
+	flash@0 {
+		bootph-pre-ram;
+
+		partition@3fc0000 {
+			bootph-pre-ram;
+		};
+	};
+};
+
 &main_sdhci0 {
 	bootph-pre-ram;
 };
diff --git a/arch/arm/dts/k3-am69-sk.dts b/arch/arm/dts/k3-am69-sk.dts
index d70963d31e..e915f516fc 100644
--- a/arch/arm/dts/k3-am69-sk.dts
+++ b/arch/arm/dts/k3-am69-sk.dts
@@ -105,6 +105,24 @@
 	};
 };
 
+&wkup_pmx0 {
+	mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins-default {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (E32) MCU_OSPI0_CLK */
+			J784S4_WKUP_IOPAD(0x02c, PIN_OUTPUT, 0) /* (A32) MCU_OSPI0_CSn0 */
+			J784S4_WKUP_IOPAD(0x00c, PIN_INPUT, 0) /* (B33) MCU_OSPI0_D0 */
+			J784S4_WKUP_IOPAD(0x010, PIN_INPUT, 0) /* (B32) MCU_OSPI0_D1 */
+			J784S4_WKUP_IOPAD(0x014, PIN_INPUT, 0) /* (C33) MCU_OSPI0_D2 */
+			J784S4_WKUP_IOPAD(0x018, PIN_INPUT, 0) /* (C35) MCU_OSPI0_D3 */
+			J784S4_WKUP_IOPAD(0x01c, PIN_INPUT, 0) /* (D33) MCU_OSPI0_D4 */
+			J784S4_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (D34) MCU_OSPI0_D5 */
+			J784S4_WKUP_IOPAD(0x024, PIN_INPUT, 0) /* (E34) MCU_OSPI0_D6 */
+			J784S4_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (E33) MCU_OSPI0_D7 */
+			J784S4_WKUP_IOPAD(0x008, PIN_INPUT, 0) /* (C34) MCU_OSPI0_DQS */
+		>;
+	};
+};
+
 &wkup_pmx2 {
 	mcu_cpsw_pins_default: mcu-cpsw-pins-default {
 		pinctrl-single,pins = <
@@ -228,6 +246,65 @@
 	};
 };
 
+&ospi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0x0>;
+		spi-tx-bus-width = <8>;
+		spi-rx-bus-width = <8>;
+		spi-max-frequency = <25000000>;
+		cdns,tshsl-ns = <60>;
+		cdns,tsd2d-ns = <60>;
+		cdns,tchsh-ns = <60>;
+		cdns,tslch-ns = <60>;
+		cdns,read-delay = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "ospi.tiboot3";
+				reg = <0x0 0x80000>;
+			};
+
+			partition@80000 {
+				label = "ospi.tispl";
+				reg = <0x80000 0x200000>;
+			};
+
+			partition@280000 {
+				label = "ospi.u-boot";
+				reg = <0x280000 0x400000>;
+			};
+
+			partition@680000 {
+				label = "ospi.env";
+				reg = <0x680000 0x40000>;
+			};
+
+			partition@6c0000 {
+				label = "ospi.env.backup";
+				reg = <0x6c0000 0x40000>;
+			};
+
+			partition@800000 {
+				label = "ospi.rootfs";
+				reg = <0x800000 0x37c0000>;
+			};
+
+			partition@3fc0000 {
+				label = "ospi.phypattern";
+				reg = <0x3fc0000 0x40000>;
+			};
+		};
+	};
+};
+
 &main_sdhci1 {
 	/* SD card */
 	status = "okay";