diff --git a/arch/arm/dts/fsl-ls1028a-kontron-sl28-var1.dts b/arch/arm/dts/fsl-ls1028a-kontron-sl28-var1.dts
index fe708bdbfa..33d85ed83a 100644
--- a/arch/arm/dts/fsl-ls1028a-kontron-sl28-var1.dts
+++ b/arch/arm/dts/fsl-ls1028a-kontron-sl28-var1.dts
@@ -41,8 +41,9 @@
 
 		qca,clk-out-frequency = <125000000>;
 		qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
+		qca,keep-pll-enabled;
 
-		vddio-supply = <&vddh>;
+		vddio-supply = <&vddio>;
 
 		vddio: vddio-regulator {
 			regulator-name = "VDDIO";
diff --git a/arch/arm/dts/fsl-ls1028a-kontron-sl28-var4.dts b/arch/arm/dts/fsl-ls1028a-kontron-sl28-var4.dts
index 33b16303ad..b95e082b70 100644
--- a/arch/arm/dts/fsl-ls1028a-kontron-sl28-var4.dts
+++ b/arch/arm/dts/fsl-ls1028a-kontron-sl28-var4.dts
@@ -32,8 +32,9 @@
 
 		qca,clk-out-frequency = <125000000>;
 		qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
+		qca,keep-pll-enabled;
 
-		vddio-supply = <&vddh>;
+		vddio-supply = <&vddio>;
 
 		vddio: vddio-regulator {
 			regulator-name = "VDDIO";