diff --git a/include/dt-bindings/clock/rv1126-cru.h b/include/dt-bindings/clock/rv1126-cru.h
index 3acf8068ed8f..05451edac077 100644
--- a/include/dt-bindings/clock/rv1126-cru.h
+++ b/include/dt-bindings/clock/rv1126-cru.h
@@ -210,6 +210,7 @@
 #define CLK_CORE_NPU		144
 #define CLK_CORE_NPUPVTM	145
 #define CLK_NPUPVTM		146
+#define SCLK_DDRCLK		147
 
 /* dclk */
 #define DCLK_DECOM		150