diff --git a/arch/arm/dts/k3-j7200-common-proc-board-u-boot.dtsi b/arch/arm/dts/k3-j7200-common-proc-board-u-boot.dtsi
index 4972a75..0a5faa2 100644
--- a/arch/arm/dts/k3-j7200-common-proc-board-u-boot.dtsi
+++ b/arch/arm/dts/k3-j7200-common-proc-board-u-boot.dtsi
@@ -131,3 +131,31 @@
 	dr_mode = "peripheral";
 	u-boot,dm-spl;
 };
+
+&wkup_gpio_pins_default {
+	u-boot,dm-spl;
+};
+
+&wkup_gpio0 {
+	u-boot,dm-spl;
+};
+
+&mcu_fss0_hpb0_pins_default {
+	u-boot,dm-spl;
+};
+
+&fss {
+	u-boot,dm-spl;
+};
+
+&hbmc {
+	u-boot,dm-spl;
+
+	flash@0,0 {
+		u-boot,dm-spl;
+	};
+};
+
+&hbmc_mux {
+	u-boot,dm-spl;
+};
diff --git a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts
index f5e4166..bd30284 100644
--- a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts
+++ b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts
@@ -107,6 +107,31 @@
 			J721E_WKUP_IOPAD(0x104, PIN_INPUT_PULLUP, 0) /* (H21) WKUP_I2C0_SDA */
 		>;
 	};
+
+	mcu_fss0_hpb0_pins_default: mcu-fss0-hpb0-pins-default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0x0, PIN_OUTPUT, 1) /* (E20) MCU_OSPI0_CLK.MCU_HYPERBUS0_CK */
+			J721E_WKUP_IOPAD(0x4, PIN_OUTPUT, 1) /* (C21) MCU_OSPI0_LBCLKO.MCU_HYPERBUS0_CKn */
+			J721E_WKUP_IOPAD(0x2c, PIN_OUTPUT, 1) /* (F19) MCU_OSPI0_CSn0.MCU_HYPERBUS0_CSn0 */
+			J721E_WKUP_IOPAD(0x54, PIN_OUTPUT, 3) /* (E22) MCU_OSPI1_CSn1.MCU_HYPERBUS0_CSn1 */
+			J721E_WKUP_IOPAD(0x30, PIN_OUTPUT, 1) /* (E19) MCU_OSPI0_CSn1.MCU_HYPERBUS0_RESETn */
+			J721E_WKUP_IOPAD(0x8, PIN_INPUT, 1) /* (D21) MCU_OSPI0_DQS.MCU_HYPERBUS0_RWDS */
+			J721E_WKUP_IOPAD(0xc, PIN_INPUT, 1) /* (D20) MCU_OSPI0_D0.MCU_HYPERBUS0_DQ0 */
+			J721E_WKUP_IOPAD(0x10, PIN_INPUT, 1) /* (G19) MCU_OSPI0_D1.MCU_HYPERBUS0_DQ1 */
+			J721E_WKUP_IOPAD(0x14, PIN_INPUT, 1) /* (G20) MCU_OSPI0_D2.MCU_HYPERBUS0_DQ2 */
+			J721E_WKUP_IOPAD(0x18, PIN_INPUT, 1) /* (F20) MCU_OSPI0_D3.MCU_HYPERBUS0_DQ3 */
+			J721E_WKUP_IOPAD(0x1c, PIN_INPUT, 1) /* (F21) MCU_OSPI0_D4.MCU_HYPERBUS0_DQ4 */
+			J721E_WKUP_IOPAD(0x20, PIN_INPUT, 1) /* (E21) MCU_OSPI0_D5.MCU_HYPERBUS0_DQ5 */
+			J721E_WKUP_IOPAD(0x24, PIN_INPUT, 1) /* (B22) MCU_OSPI0_D6.MCU_HYPERBUS0_DQ6 */
+			J721E_WKUP_IOPAD(0x28, PIN_INPUT, 1) /* (G21) MCU_OSPI0_D7.MCU_HYPERBUS0_DQ7 */
+		>;
+	};
+
+	wkup_gpio_pins_default: wkup-gpio-pins-default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xd8, PIN_INPUT, 7) /* (C14) WKUP_GPIO0_6 */
+		>;
+	};
 };
 
 &main_pmx0 {
@@ -214,4 +239,19 @@
 	maximum-speed = "high-speed";
 };
 
+&hbmc {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_fss0_hpb0_pins_default>;
+	reg = <0x0 0x47040000 0x0 0x100>,
+	      <0x0 0x50000000 0x0 0x8000000>;
+	ranges = <0x0 0x0 0x0 0x50000000 0x4000000>, /* 64MB Flash on CS0 */
+		 <0x1 0x0 0x0 0x54000000 0x800000>; /* 8MB flash on CS1 */
+
+	flash@0,0 {
+		compatible = "cypress,hyperflash", "cfi-flash";
+		reg = <0x0 0x0 0x4000000>;
+	};
+};
+
 #include "k3-j7200-common-proc-board-u-boot.dtsi"