diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
index 78b068f..e701eb5 100644
--- a/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
@@ -665,7 +665,7 @@
 		1000000 850000
 		500000  850000
 	>;
-	dc-supply = <&buck2_reg>;
+	arm-supply = <&buck2_reg>;
 };
 
 &hdmi {
diff --git a/drivers/cpufreq/imx8mq-cpufreq.c b/drivers/cpufreq/imx8mq-cpufreq.c
index d1d1ad4..d76e5e2 100644
--- a/drivers/cpufreq/imx8mq-cpufreq.c
+++ b/drivers/cpufreq/imx8mq-cpufreq.c
@@ -20,9 +20,6 @@
 #include <linux/suspend.h>
 #include <linux/device_cooling.h>
 
-#define DC_VOLTAGE_MIN		850000
-#define DC_VOLTAGE_MAX		1000000
-
 static struct device *cpu_dev;
 static bool free_opp;
 static struct cpufreq_frequency_table *freq_table;
@@ -33,7 +30,6 @@
 static struct clk *arm_pll_out_clk;
 static struct clk *sys1_pll_800m_clk;
 struct thermal_cooling_device *cdev;
-static struct regulator *dc_reg;
 static struct regulator *arm_reg;
 
 static int imx8mq_set_target(struct cpufreq_policy *policy, unsigned int index)
@@ -58,16 +54,6 @@
 	dev_dbg(cpu_dev, "%u MHz --> %u MHz\n",
 		old_freq / 1000, new_freq / 1000);
 
-	if (new_freq == policy->max) {
-		if (!IS_ERR(dc_reg)) {
-			ret = regulator_set_voltage_tol(dc_reg, DC_VOLTAGE_MAX, 0);
-			if (ret) {
-				dev_err(cpu_dev, "failed to scale dc_reg up: %d\n", ret);
-				return ret;
-			}
-		}
-	}
-
 	if (new_freq > old_freq) {
 		if (!IS_ERR(arm_reg)) {
 			ret = regulator_set_voltage_tol(arm_reg, volt, 0);
@@ -75,6 +61,8 @@
 				dev_err(cpu_dev, "failed to scale arm_reg up: %d\n", ret);
 				return ret;
 			}
+		} else {
+				dev_err(cpu_dev, "Can't change CPU voltage\n");
 		}
 	}
 
@@ -82,16 +70,6 @@
 	clk_set_rate(arm_pll_clk, new_freq * 1000);
 	clk_set_parent(arm_a53_src_clk, arm_pll_out_clk);
 
-	if (old_freq == policy->max) {
-		if (!IS_ERR(dc_reg)) {
-			ret = regulator_set_voltage_tol(dc_reg, DC_VOLTAGE_MIN, 0);
-			if (ret) {
-				dev_err(cpu_dev, "failed to scale dc_reg down: %d\n", ret);
-				return ret;
-			}
-		}
-	}
-
 	if (new_freq < old_freq) {
 		if (!IS_ERR(arm_reg)) {
 			ret = regulator_set_voltage_tol(arm_reg, volt, 0);
@@ -99,6 +77,8 @@
 				dev_err(cpu_dev, "failed to scale arm_reg down: %d\n", ret);
 				return ret;
 			}
+		} else {
+				dev_err(cpu_dev, "Can't change CPU voltage\n");
 		}
 	}
 
@@ -262,7 +242,6 @@
 		goto put_clk;
 	}
 
-	dc_reg = regulator_get_optional(cpu_dev, "dc");
 	arm_reg = regulator_get_optional(cpu_dev, "arm");
 
 	/*