diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 722fd285a34e..f29c8a9b59ba 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -34,6 +34,7 @@ aliases {
 	};
 
 	memory@80000000 {
+		bootph-pre-ram;
 		device_type = "memory";
 		/* 2G RAM */
 		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
@@ -107,6 +108,7 @@ rtos_ipc_memory_region: ipc-memories@a5000000 {
 
 	vusb_main: regulator-0 {
 		/* USB MAIN INPUT 5V DC */
+		bootph-all;
 		compatible = "regulator-fixed";
 		regulator-name = "vusb_main5v0";
 		regulator-min-microvolt = <5000000>;
@@ -117,6 +119,7 @@ vusb_main: regulator-0 {
 
 	vcc_3v3_sys: regulator-1 {
 		/* output of LP8733xx */
+		bootph-all;
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_3v3_sys";
 		regulator-min-microvolt = <3300000>;
@@ -128,6 +131,7 @@ vcc_3v3_sys: regulator-1 {
 
 	vdd_mmc1: regulator-2 {
 		/* TPS2051BD */
+		bootph-all;
 		compatible = "regulator-fixed";
 		regulator-name = "vdd_mmc1";
 		regulator-min-microvolt = <3300000>;
@@ -234,6 +238,7 @@ led-7 {
 
 &main_pmx0 {
 	main_mmc1_pins_default: main-mmc1-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x029c, PIN_INPUT_PULLUP, 0) /* (C20) MMC1_SDWP */
 			AM64X_IOPAD(0x0298, PIN_INPUT_PULLUP, 0) /* (D19) MMC1_SDCD */
@@ -248,6 +253,7 @@ AM64X_IOPAD(0x027c, PIN_INPUT_PULLUP, 0) /* (K18) MMC1_DAT3 */
 	};
 
 	main_uart0_pins_default: main-uart0-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x0238, PIN_INPUT, 0) /* (B16) UART0_CTSn */
 			AM64X_IOPAD(0x023c, PIN_OUTPUT, 0) /* (A16) UART0_RTSn */
@@ -257,6 +263,7 @@ AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (C16) UART0_TXD */
 	};
 
 	main_uart1_pins_default: main-uart1-default-pins {
+		bootph-pre-ram;
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x0248, PIN_INPUT, 0) /* (D16) UART1_CTSn */
 			AM64X_IOPAD(0x024c, PIN_OUTPUT, 0) /* (E16) UART1_RTSn */
@@ -266,12 +273,14 @@ AM64X_IOPAD(0x0244, PIN_OUTPUT, 0) /* (E14) UART1_TXD */
 	};
 
 	main_usb0_pins_default: main-usb0-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
 		>;
 	};
 
 	main_i2c0_pins_default: main-i2c0-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x0260, PIN_INPUT_PULLUP, 0) /* (A18) I2C0_SCL */
 			AM64X_IOPAD(0x0264, PIN_INPUT_PULLUP, 0) /* (B18) I2C0_SDA */
@@ -279,6 +288,7 @@ AM64X_IOPAD(0x0264, PIN_INPUT_PULLUP, 0) /* (B18) I2C0_SDA */
 	};
 
 	main_i2c1_pins_default: main-i2c1-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
 			AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */
@@ -367,6 +377,7 @@ AM64X_IOPAD(0x00bc, PIN_INPUT, 7) /* (U8) GPIO0_46 */
 };
 
 &main_uart0 {
+	bootph-all;
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_uart0_pins_default>;
@@ -375,12 +386,14 @@ &main_uart0 {
 
 &main_uart1 {
 	/* main_uart1 is reserved for firmware usage */
+	bootph-pre-ram;
 	status = "reserved";
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_uart1_pins_default>;
 };
 
 &main_i2c0 {
+	bootph-all;
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_i2c0_pins_default>;
@@ -393,12 +406,14 @@ eeprom@51 {
 };
 
 &main_i2c1 {
+	bootph-all;
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_i2c1_pins_default>;
 	clock-frequency = <400000>;
 
 	exp1: gpio@70 {
+		bootph-all;
 		compatible = "nxp,pca9538";
 		reg = <0x70>;
 		gpio-controller;
@@ -445,6 +460,7 @@ wlcore: wlcore@2 {
 
 &sdhci1 {
 	/* SD/MMC */
+	bootph-all;
 	vmmc-supply = <&vdd_mmc1>;
 	pinctrl-names = "default";
 	bus-width = <4>;
@@ -454,11 +470,22 @@ &sdhci1 {
 };
 
 &serdes_ln_ctrl {
+	bootph-all;
 	idle-states = <AM64_SERDES0_LANE0_USB>;
 };
 
+&serdes_refclk {
+	bootph-all;
+};
+
+&serdes_wiz0 {
+	bootph-all;
+};
+
 &serdes0 {
+	bootph-all;
 	serdes0_usb_link: phy@0 {
+		bootph-all;
 		reg = <0>;
 		cdns,num-lanes = <1>;
 		#phy-cells = <0>;
@@ -468,10 +495,12 @@ serdes0_usb_link: phy@0 {
 };
 
 &usbss0 {
+	bootph-all;
 	ti,vbus-divider;
 };
 
 &usb0 {
+	bootph-all;
 	dr_mode = "host";
 	maximum-speed = "super-speed";
 	pinctrl-names = "default";
