diff --git a/config/boards/roc-rk3399-pc.csc b/config/boards/roc-rk3399-pc.csc
index a2dd3cab7..dea49db26 100644
--- a/config/boards/roc-rk3399-pc.csc
+++ b/config/boards/roc-rk3399-pc.csc
@@ -6,7 +6,7 @@ BOOTCONFIG="roc-rk3399-pc_defconfig"
 MODULES=""
 MODULES_NEXT=""
 #
-KERNEL_TARGET="default,dev"
+KERNEL_TARGET="legacy,current,dev"
 CLI_TARGET="buster,bionic:default"
 DESKTOP_TARGET="buster,bionic:default"
 #
diff --git a/patch/kernel/rockchip64-current/board-roc-rk3399-pc-fix-regulator.patch b/patch/kernel/rockchip64-current/board-roc-rk3399-pc-fix-regulator.patch
new file mode 100644
index 000000000..da812d144
--- /dev/null
+++ b/patch/kernel/rockchip64-current/board-roc-rk3399-pc-fix-regulator.patch
@@ -0,0 +1,24 @@
+--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dts
++++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dts
+@@ -113,6 +113,10 @@
+ 
+ 	vcc_sys: vcc-sys {
+ 		compatible = "regulator-fixed";
++		enable-active-high;
++		gpio = <&gpio2 RK_PA6 GPIO_ACTIVE_HIGH>;
++		pinctrl-names = "default";
++		pinctrl-0 = <&vcc_sys_en>;
+ 		regulator-name = "vcc_sys";
+ 		regulator-always-on;
+ 		regulator-boot-on;
+@@ -521,6 +525,10 @@
+ 			rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
+ 		};
+ 
++		vcc_sys_en: vcc-sys-en {
++			rockchip,pins = <2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
++		};
++
+ 		hub_rst: hub-rst {
+ 			rockchip,pins = <2 RK_PA4 RK_FUNC_GPIO &pcfg_output_high>;
+ 		};