diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index 0ce910c190b7..bb0eff749308 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -848,6 +848,11 @@
 		compatible = "rockchip,rk3368-pmugrf", "syscon", "simple-mfd";
 		reg = <0x0 0xff738000 0x0 0x1000>;
 
+		pmu_io_domains: io-domains {
+			compatible = "rockchip,rk3368-pmu-io-voltage-domain";
+			status = "disabled";
+		};
+
 		reboot-mode {
 			compatible = "syscon-reboot-mode";
 			offset = <0x200>;
@@ -855,7 +860,6 @@
 			mode-recovery = <BOOT_RECOVERY>;
 			mode-bootloader = <BOOT_FASTBOOT>;
 			mode-loader = <BOOT_BL_DOWNLOAD>;
-
 		};
 	};
 
@@ -882,6 +886,11 @@
 	grf: syscon@ff770000 {
 		compatible = "rockchip,rk3368-grf", "syscon", "simple-mfd";
 		reg = <0x0 0xff770000 0x0 0x1000>;
+
+		io_domains: io-domains {
+			compatible = "rockchip,rk3368-io-voltage-domain";
+			status = "disabled";
+		};
 	};
 
 	wdt: watchdog@ff800000 {