diff --git a/arch/arm/boot/dts/r8a7792.dtsi b/arch/arm/boot/dts/r8a7792.dtsi
index 6c0797ebc08f..0efecb232ee5 100644
--- a/arch/arm/boot/dts/r8a7792.dtsi
+++ b/arch/arm/boot/dts/r8a7792.dtsi
@@ -46,7 +46,7 @@ cpu0: cpu@0 {
 			compatible = "arm,cortex-a15";
 			reg = <0>;
 			clock-frequency = <1000000000>;
-			clocks = <&cpg_clocks R8A7792_CLK_Z>;
+			clocks = <&z_clk>;
 			power-domains = <&sysc R8A7792_PD_CA15_CPU0>;
 			next-level-cache = <&L2_CA15>;
 		};
@@ -766,7 +766,7 @@ cpg_clocks: cpg_clocks@e6150000 {
 			clocks = <&extal_clk>;
 			#clock-cells = <1>;
 			clock-output-names = "main", "pll0", "pll1", "pll3",
-					     "lb", "qspi", "z";
+					     "lb", "qspi";
 			#power-domain-cells = <0>;
 		};
 
@@ -778,6 +778,13 @@ pll1_div2_clk: pll1_div2 {
 			clock-div = <2>;
 			clock-mult = <1>;
 		};
+		z_clk: z {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7792_CLK_PLL0>;
+			#clock-cells = <0>;
+			clock-div = <1>;
+			clock-mult = <1>;
+		};
 		zx_clk: zx {
 			compatible = "fixed-factor-clock";
 			clocks = <&cpg_clocks R8A7792_CLK_PLL1>;
diff --git a/include/dt-bindings/clock/r8a7792-clock.h b/include/dt-bindings/clock/r8a7792-clock.h
index 94dd16a1e6e6..5be90bc23bd7 100644
--- a/include/dt-bindings/clock/r8a7792-clock.h
+++ b/include/dt-bindings/clock/r8a7792-clock.h
@@ -17,7 +17,6 @@
 #define R8A7792_CLK_PLL3		3
 #define R8A7792_CLK_LB			4
 #define R8A7792_CLK_QSPI		5
-#define R8A7792_CLK_Z			6
 
 /* MSTP0 */
 #define R8A7792_CLK_MSIOF0		0