diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index c680123f067c..63b47b839388 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -19,6 +19,10 @@ &wkup_uart0 {
 	status = "disabled";
 };
 
+&main_uart0 {
+	power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
+};
+
 &main_uart3 {
 	/* UART not brought out */
 	status = "disabled";
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index a01308142f77..01661c22c39d 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -119,7 +119,7 @@ main_uart0: serial@2800000 {
 		interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 146>;
+		power-domains = <&k3_pds 146 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 146 0>;
 		clock-names = "fclk";
 	};
@@ -132,7 +132,7 @@ main_uart1: serial@2810000 {
 		interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 278>;
+		power-domains = <&k3_pds 278 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 278 0>;
 		clock-names = "fclk";
 	};
@@ -145,7 +145,7 @@ main_uart2: serial@2820000 {
 		interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 279>;
+		power-domains = <&k3_pds 279 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 279 0>;
 		clock-names = "fclk";
 	};
@@ -158,7 +158,7 @@ main_uart3: serial@2830000 {
 		interrupts = <GIC_SPI 195 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 280>;
+		power-domains = <&k3_pds 280 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 280 0>;
 		clock-names = "fclk";
 	};
@@ -171,7 +171,7 @@ main_uart4: serial@2840000 {
 		interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 281>;
+		power-domains = <&k3_pds 281 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 281 0>;
 		clock-names = "fclk";
 	};
@@ -184,7 +184,7 @@ main_uart5: serial@2850000 {
 		interrupts = <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 282>;
+		power-domains = <&k3_pds 282 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 282 0>;
 		clock-names = "fclk";
 	};
@@ -197,7 +197,7 @@ main_uart6: serial@2860000 {
 		interrupts = <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 283>;
+		power-domains = <&k3_pds 283 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 283 0>;
 		clock-names = "fclk";
 	};
@@ -210,7 +210,7 @@ main_uart7: serial@2870000 {
 		interrupts = <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 284>;
+		power-domains = <&k3_pds 284 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 284 0>;
 		clock-names = "fclk";
 	};
@@ -223,7 +223,7 @@ main_uart8: serial@2880000 {
 		interrupts = <GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 285>;
+		power-domains = <&k3_pds 285 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 285 0>;
 		clock-names = "fclk";
 	};
@@ -236,7 +236,7 @@ main_uart9: serial@2890000 {
 		interrupts = <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 286>;
+		power-domains = <&k3_pds 286 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 286 0>;
 		clock-names = "fclk";
 	};
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
index 07b58eeebceb..e616c2481f51 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
@@ -20,7 +20,7 @@ dmsc: dmsc@44083000 {
 
 		k3_pds: power-controller {
 			compatible = "ti,sci-pm-domain";
-			#power-domain-cells = <1>;
+			#power-domain-cells = <2>;
 		};
 
 		k3_clks: clocks {
@@ -59,7 +59,7 @@ wkup_uart0: serial@42300000 {
 		interrupts = <GIC_SPI 897 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <48000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 287>;
+		power-domains = <&k3_pds 287 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 287 0>;
 		clock-names = "fclk";
 	};
@@ -72,7 +72,7 @@ mcu_uart0: serial@40a00000 {
 		interrupts = <GIC_SPI 846 IRQ_TYPE_LEVEL_HIGH>;
 		clock-frequency = <96000000>;
 		current-speed = <115200>;
-		power-domains = <&k3_pds 149>;
+		power-domains = <&k3_pds 149 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 149 0>;
 		clock-names = "fclk";
 	};
diff --git a/arch/arm64/boot/dts/ti/k3-j721e.dtsi b/arch/arm64/boot/dts/ti/k3-j721e.dtsi
index f8dd74b17bfb..43ea1ba97922 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi
@@ -8,6 +8,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/pinctrl/k3.h>
+#include <dt-bindings/soc/ti,sci_pm_domain.h>
 
 / {
 	model = "Texas Instruments K3 J721E SoC";