diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml b/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml
index 925ed35d6658..703b5bf26717 100644
--- a/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml
+++ b/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml
@@ -90,6 +90,8 @@ allOf:
             - const: zx
             - const: zs
             - const: hp
+            - const: ztr
+            - const: zt
 
   - if:
       properties:
diff --git a/include/dt-bindings/clock/r8a73a4-clock.h b/include/dt-bindings/clock/r8a73a4-clock.h
index 655440a3e7c6..028ecef81451 100644
--- a/include/dt-bindings/clock/r8a73a4-clock.h
+++ b/include/dt-bindings/clock/r8a73a4-clock.h
@@ -23,6 +23,8 @@
 #define R8A73A4_CLK_ZX		13
 #define R8A73A4_CLK_ZS		14
 #define R8A73A4_CLK_HP		15
+#define R8A73A4_CLK_ZTR		16
+#define R8A73A4_CLK_ZT		17
 
 /* MSTP1 */
 #define R8A73A4_CLK_TMU0	25