diff --git a/arch/arm/dts/k3-am654-base-board-u-boot.dtsi b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
index 11d83927ac525..f29cecf870bcd 100644
--- a/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
+++ b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
@@ -3,7 +3,6 @@
  * Copyright (C) 2018-2021 Texas Instruments Incorporated - https://www.ti.com/
  */
 
-#include "k3-am654-r5-base-board-u-boot.dtsi"
 #include "k3-am65x-binman.dtsi"
 
 &pru0_0 {
diff --git a/arch/arm/dts/k3-am654-r5-base-board-u-boot.dtsi b/arch/arm/dts/k3-am654-r5-base-board-u-boot.dtsi
deleted file mode 100644
index 286604576e028..0000000000000
--- a/arch/arm/dts/k3-am654-r5-base-board-u-boot.dtsi
+++ /dev/null
@@ -1,208 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2018-2021 Texas Instruments Incorporated - https://www.ti.com/
- */
-
-#include <dt-bindings/pinctrl/k3.h>
-#include <dt-bindings/net/ti-dp83867.h>
-#include "k3-am65x-binman.dtsi"
-
-/ {
-	chosen {
-		stdout-path = "serial2:115200n8";
-	};
-
-	aliases {
-		serial2 = &main_uart0;
-		ethernet0 = &cpsw_port1;
-		usb0 = &usb0;
-		usb1 = &usb1;
-		spi0 = &ospi0;
-		spi1 = &ospi1;
-	};
-};
-
-&cbass_main{
-	bootph-pre-ram;
-	main_navss: bus@30800000 {
-		bootph-pre-ram;
-	};
-};
-
-&cbass_mcu {
-	bootph-pre-ram;
-
-	mcu_navss: bus@28380000 {
-		bootph-pre-ram;
-
-		ringacc@2b800000 {
-			reg =	<0x0 0x2b800000 0x0 0x400000>,
-				<0x0 0x2b000000 0x0 0x400000>,
-				<0x0 0x28590000 0x0 0x100>,
-				<0x0 0x2a500000 0x0 0x40000>,
-				<0x0 0x28440000 0x0 0x40000>;
-			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target", "cfg";
-			bootph-pre-ram;
-			ti,dma-ring-reset-quirk;
-		};
-
-		dma-controller@285c0000 {
-			reg =	<0x0 0x285c0000 0x0 0x100>,
-				<0x0 0x284c0000 0x0 0x4000>,
-				<0x0 0x2a800000 0x0 0x40000>,
-				<0x0 0x284a0000 0x0 0x4000>,
-				<0x0 0x2aa00000 0x0 0x40000>,
-				<0x0 0x28400000 0x0 0x2000>;
-			reg-names = "gcfg", "rchan", "rchanrt", "tchan",
-					    "tchanrt", "rflow";
-			bootph-pre-ram;
-		};
-	};
-};
-
-&cbass_wakeup {
-	bootph-pre-ram;
-
-	chipid@43000014 {
-		bootph-pre-ram;
-	};
-};
-
-&secure_proxy_main {
-	bootph-pre-ram;
-};
-
-&dmsc {
-	bootph-pre-ram;
-	k3_sysreset: sysreset-controller {
-		compatible = "ti,sci-sysreset";
-		bootph-pre-ram;
-	};
-};
-
-&k3_pds {
-	bootph-pre-ram;
-};
-
-&k3_clks {
-	bootph-pre-ram;
-};
-
-&k3_reset {
-	bootph-pre-ram;
-};
-
-&wkup_pmx0 {
-	bootph-pre-ram;
-
-	wkup_i2c0_pins_default {
-		bootph-pre-ram;
-	};
-};
-
-&main_pmx0 {
-	bootph-pre-ram;
-	usb0_pins_default: usb0_pins_default {
-		pinctrl-single,pins = <
-			AM65X_IOPAD(0x02bc, PIN_OUTPUT, 0) /* (AD9) USB0_DRVVBUS */
-		>;
-		bootph-pre-ram;
-	};
-};
-
-&main_uart0_pins_default {
-	bootph-pre-ram;
-};
-
-&main_pmx1 {
-	bootph-pre-ram;
-};
-
-&wkup_pmx0 {
-	mcu-fss0-ospi0-pins-default {
-		bootph-pre-ram;
-	};
-};
-
-&main_uart0 {
-	bootph-pre-ram;
-};
-
-&main_mmc0_pins_default {
-	bootph-pre-ram;
-};
-
-&main_mmc1_pins_default {
-	bootph-pre-ram;
-};
-
-&sdhci0 {
-	bootph-pre-ram;
-};
-
-&sdhci1 {
-	bootph-pre-ram;
-};
-
-&davinci_mdio {
-	phy0: ethernet-phy@0 {
-		reg = <0>;
-		/* TODO: phy reset: TCA9555RTWR(i2c:0x21)[p04].GPIO_MCU_RGMII_RSTN */
-		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
-		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
-	};
-};
-
-&mcu_cpsw {
-	reg = <0x0 0x46000000 0x0 0x200000>,
-	      <0x0 0x40f00200 0x0 0x2>;
-	reg-names = "cpsw_nuss", "mac_efuse";
-	/delete-property/ ranges;
-
-	cpsw-phy-sel@40f04040 {
-		compatible = "ti,am654-cpsw-phy-sel";
-		reg= <0x0 0x40f04040 0x0 0x4>;
-		reg-names = "gmii-sel";
-	};
-};
-
-&wkup_i2c0 {
-	bootph-pre-ram;
-};
-
-&usb1 {
-	dr_mode = "peripheral";
-};
-
-&fss {
-	bootph-pre-ram;
-};
-
-&ospi0 {
-	bootph-pre-ram;
-
-	 flash@0{
-		bootph-pre-ram;
-	};
-};
-
-&dwc3_0 {
-	status = "okay";
-	bootph-pre-ram;
-};
-
-&usb0_phy {
-	status = "okay";
-	bootph-pre-ram;
-};
-
-&usb0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&usb0_pins_default>;
-	dr_mode = "peripheral";
-	bootph-pre-ram;
-};
-
-&scm_conf {
-	bootph-pre-ram;
-};
diff --git a/arch/arm/dts/k3-am654-r5-base-board.dts b/arch/arm/dts/k3-am654-r5-base-board.dts
index 637a5cc85e095..d75c7bf3fe662 100644
--- a/arch/arm/dts/k3-am654-r5-base-board.dts
+++ b/arch/arm/dts/k3-am654-r5-base-board.dts
@@ -14,9 +14,16 @@
 	model = "Texas Instruments AM654 R5 Base Board";
 
 	aliases {
+		ethernet0 = &cpsw_port1;
+		remoteproc0 = &sysctrler;
+		remoteproc1 = &a53_0;
 		serial0 = &wkup_uart0;
 		serial1 = &mcu_uart0;
 		serial2 = &main_uart0;
+		spi0 = &ospi0;
+		spi1 = &ospi1;
+		usb0 = &usb0;
+		usb1 = &usb1;
 	};
 
 	chosen {
@@ -24,11 +31,6 @@
 		tick-timer = &timer1;
 	};
 
-	aliases {
-		remoteproc0 = &sysctrler;
-		remoteproc1 = &a53_0;
-	};
-
 	a53_0: a53@0 {
 		compatible = "ti,am654-rproc";
 		reg = <0x0 0x00a90000 0x0 0x10>;
@@ -56,6 +58,8 @@
 };
 
 &cbass_main {
+	bootph-pre-ram;
+
 	timer1: timer@40400000 {
 		compatible = "ti,omap5430-timer";
 		reg = <0x0 0x40400000 0x0 0x80>;
@@ -63,9 +67,15 @@
 		clock-frequency = <25000000>;
 		bootph-all;
 	};
+
+	main_navss: bus@30800000 {
+		bootph-pre-ram;
+	};
 };
 
 &cbass_mcu {
+	bootph-pre-ram;
+
 	mcu_secproxy: secproxy@28380000 {
 		compatible = "ti,am654-secure-proxy";
 		reg = <0x0 0x2a380000 0x0 0x80000>,
@@ -75,13 +85,58 @@
 		#mbox-cells = <1>;
 		bootph-pre-ram;
 	};
+
+	mcu_navss: bus@28380000 {
+		bootph-pre-ram;
+
+		ringacc@2b800000 {
+			reg =	<0x0 0x2b800000 0x0 0x400000>,
+				<0x0 0x2b000000 0x0 0x400000>,
+				<0x0 0x28590000 0x0 0x100>,
+				<0x0 0x2a500000 0x0 0x40000>,
+				<0x0 0x28440000 0x0 0x40000>;
+			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target", "cfg";
+			bootph-pre-ram;
+			ti,dma-ring-reset-quirk;
+		};
+
+		dma-controller@285c0000 {
+			reg =	<0x0 0x285c0000 0x0 0x100>,
+				<0x0 0x284c0000 0x0 0x4000>,
+				<0x0 0x2a800000 0x0 0x40000>,
+				<0x0 0x284a0000 0x0 0x4000>,
+				<0x0 0x2aa00000 0x0 0x40000>,
+				<0x0 0x28400000 0x0 0x2000>;
+			reg-names = "gcfg", "rchan", "rchanrt", "tchan",
+					    "tchanrt", "rflow";
+			bootph-pre-ram;
+		};
+	};
+};
+
+&k3_pds {
+	bootph-pre-ram;
+};
+
+&k3_clks {
+	bootph-pre-ram;
+};
+
+&k3_reset {
+	bootph-pre-ram;
 };
 
 &wkup_gpio0 {
 	bootph-pre-ram;
 };
 
+&secure_proxy_main {
+	bootph-pre-ram;
+};
+
 &cbass_wakeup {
+	bootph-pre-ram;
+
 	sysctrler: sysctrler {
 		compatible = "ti,am654-system-controller";
 		mboxes= <&mcu_secproxy 4>, <&mcu_secproxy 5>;
@@ -95,13 +150,24 @@
 		clock-frequency = <200000000>;
 		bootph-pre-ram;
 	};
+
+	chipid@43000014 {
+		bootph-pre-ram;
+	};
 };
 
 &dmsc {
+	bootph-pre-ram;
+
 	mboxes= <&mcu_secproxy 8>, <&mcu_secproxy 6>, <&mcu_secproxy 5>;
 	mbox-names = "tx", "rx", "notify";
 	ti,host-id = <4>;
 	ti,secure-host;
+
+	k3_sysreset: sysreset-controller {
+		compatible = "ti,sci-sysreset";
+		bootph-pre-ram;
+	};
 };
 
 &wkup_uart0 {
@@ -125,6 +191,7 @@
 	pinctrl-0 = <&main_uart0_pins_default>;
 	power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
 	status = "okay";
+	bootph-pre-ram;
 };
 
 &wkup_vtm0 {
@@ -168,6 +235,7 @@
 			AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */
 			AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
 		>;
+		bootph-pre-ram;
 	};
 
 	mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins_default {
@@ -184,6 +252,7 @@
 			AM65X_WKUP_IOPAD(0x0028, PIN_INPUT, 0)  /* (R3) MCU_OSPI0_D7 */
 			AM65X_WKUP_IOPAD(0x002c, PIN_OUTPUT, 0) /* (R4) MCU_OSPI0_CSn0 */
 		>;
+		bootph-pre-ram;
 	};
 };
 
@@ -229,6 +298,17 @@
 		>;
 		bootph-pre-ram;
 	};
+
+	usb0_pins_default: usb0_pins_default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x02bc, PIN_OUTPUT, 0) /* (AD9) USB0_DRVVBUS */
+		>;
+		bootph-pre-ram;
+	};
+};
+
+&main_pmx1 {
+	bootph-pre-ram;
 };
 
 &memorycontroller {
@@ -243,6 +323,7 @@
 	pinctrl-0 = <&main_mmc0_pins_default>;
 	/delete-property/ power-domains;
 	ti,driver-strength-ohm = <50>;
+	bootph-pre-ram;
 };
 
 &sdhci1 {
@@ -251,6 +332,7 @@
 	pinctrl-0 = <&main_mmc1_pins_default>;
 	/delete-property/ power-domains;
 	ti,driver-strength-ohm = <50>;
+	bootph-pre-ram;
 };
 
 &wkup_i2c0 {
@@ -276,6 +358,7 @@
 &ospi0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
+	bootph-pre-ram;
 
 	reg = <0x0 0x47040000 0x0 0x100>,
 	      <0x0 0x50000000 0x0 0x8000000>;
@@ -293,6 +376,7 @@
 		cdns,read-delay = <0>;
 		#address-cells = <1>;
 		#size-cells = <1>;
+		bootph-pre-ram;
 	};
 };
 
@@ -331,3 +415,33 @@
 &scm_conf {
 	bootph-pre-ram;
 };
+
+&davinci_mdio {
+	phy0: ethernet-phy@0 {
+		reg = <0>;
+		/* TODO: phy reset: TCA9555RTWR(i2c:0x21)[p04].GPIO_MCU_RGMII_RSTN */
+		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+	};
+};
+
+&mcu_cpsw {
+	reg = <0x0 0x46000000 0x0 0x200000>,
+	      <0x0 0x40f00200 0x0 0x2>;
+	reg-names = "cpsw_nuss", "mac_efuse";
+	/delete-property/ ranges;
+
+	cpsw-phy-sel@40f04040 {
+		compatible = "ti,am654-cpsw-phy-sel";
+		reg= <0x0 0x40f04040 0x0 0x4>;
+		reg-names = "gmii-sel";
+	};
+};
+
+&usb1 {
+	dr_mode = "peripheral";
+};
+
+&fss {
+	bootph-pre-ram;
+};
