diff --git a/include/dt-bindings/clock/rk3288-cru.h b/include/dt-bindings/clock/rk3288-cru.h
index 9a586e2d9c91fd3c81c74a3d927a2cd2973af563..08de7de649e2248ef09f93ac333981625f937c3a 100644
--- a/include/dt-bindings/clock/rk3288-cru.h
+++ b/include/dt-bindings/clock/rk3288-cru.h
@@ -168,6 +168,7 @@
 #define PCLK_WDT		368
 #define PCLK_EFUSE256		369
 #define PCLK_EFUSE1024		370
+#define PCLK_ISP_IN		371
 
 /* hclk gates */
 #define HCLK_GPS		448