diff --git a/arch/arm64/boot/dts/allwinner/sun60i-a733-radxa-a7a.dts b/arch/arm64/boot/dts/allwinner/sun60i-a733-radxa-a7a.dts
index 5ba74d5dd7484c..7a4a525003560b 100644
--- a/arch/arm64/boot/dts/allwinner/sun60i-a733-radxa-a7a.dts
+++ b/arch/arm64/boot/dts/allwinner/sun60i-a733-radxa-a7a.dts
@@ -216,5 +216,11 @@
 };
 
 &gpu {
+	/*
+	 * VDD-GPU (DCDC4 of AXP318W) defaults to 800mV, which only allows the
+	 * GPU operate on only up 600MHz.
+	 */
+	assigned-clocks = <&ccu CLK_GPU0>;
+	assigned-clock-rates = <600000000>;
 	status = "okay";
 };
diff --git a/drivers/clk/sunxi-ng/ccu-sun60i-a733.c b/drivers/clk/sunxi-ng/ccu-sun60i-a733.c
index 8de32b1db11359..9df700387f0cce 100644
--- a/drivers/clk/sunxi-ng/ccu-sun60i-a733.c
+++ b/drivers/clk/sunxi-ng/ccu-sun60i-a733.c
@@ -1013,7 +1013,9 @@ static struct ccu_div gpu0_clk = {
 		.features	= CCU_FEATURE_KEY_FIELD,
 		.hw.init        = CLK_HW_INIT_PARENTS("gpu0", gpu0_parents,
 				&ccu_div_ops,
-				CLK_OPS_PARENT_ENABLE | CLK_SET_RATE_NO_REPARENT),
+				CLK_OPS_PARENT_ENABLE		|
+				CLK_SET_RATE_NO_REPARENT	|
+				CLK_SET_RATE_PARENT),
 	},
 };