diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rk806-dual.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-rk806-dual.dtsi
index 505676f77a48..49ba5baf1a76 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rk806-dual.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rk806-dual.dtsi
@@ -532,6 +532,7 @@
 			vdd_cpu_big1_s0: DCDC_REG1 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <550000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <12500>;
@@ -544,6 +545,7 @@
 			vdd_cpu_big0_s0: DCDC_REG2 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <550000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <12500>;
@@ -556,6 +558,7 @@
 			vdd_cpu_lit_s0: DCDC_REG3 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <550000>;
 				regulator-max-microvolt = <950000>;
 				regulator-ramp-delay = <12500>;
@@ -580,6 +583,7 @@
 			vdd_cpu_big1_mem_s0: DCDC_REG5 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <675000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <12500>;
@@ -593,6 +597,7 @@
 			vdd_cpu_big0_mem_s0: DCDC_REG6 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <675000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <12500>;
@@ -617,6 +622,7 @@
 			vdd_cpu_lit_mem_s0: DCDC_REG8 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <675000>;
 				regulator-max-microvolt = <950000>;
 				regulator-ramp-delay = <12500>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rk806-single.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-rk806-single.dtsi
index fa86b4ada299..a56f572c61e5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rk806-single.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rk806-single.dtsi
@@ -165,6 +165,7 @@
 			vdd_cpu_lit_s0: vdd_cpu_lit_mem_s0: DCDC_REG2 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <550000>;
 				regulator-max-microvolt = <950000>;
 				regulator-ramp-delay = <12500>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rk806-dual.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-rk806-dual.dtsi
index a7a0c0f28645..9fe6af59ddc7 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-rk806-dual.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-rk806-dual.dtsi
@@ -531,6 +531,7 @@
 			vdd_cpu_big1_s0: DCDC_REG1 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <550000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <12500>;
@@ -543,6 +544,7 @@
 			vdd_cpu_big0_s0: DCDC_REG2 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <550000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <12500>;
@@ -555,6 +557,7 @@
 			vdd_cpu_lit_s0: DCDC_REG3 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <550000>;
 				regulator-max-microvolt = <950000>;
 				regulator-ramp-delay = <12500>;
@@ -580,6 +583,7 @@
 			vdd_cpu_big1_mem_s0: DCDC_REG5 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <675000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <12500>;
@@ -593,6 +597,7 @@
 			vdd_cpu_big0_mem_s0: DCDC_REG6 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <675000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <12500>;
@@ -617,6 +622,7 @@
 			vdd_cpu_lit_mem_s0: DCDC_REG8 {
 				regulator-always-on;
 				regulator-boot-on;
+				regulator-init-microvolt = <800000>;
 				regulator-min-microvolt = <675000>;
 				regulator-max-microvolt = <950000>;
 				regulator-ramp-delay = <12500>;