diff --git a/include/dt-bindings/clock/rk3188-cru-common.h b/include/dt-bindings/clock/rk3188-cru-common.h
index 8df77a7c030b..4f53e70f68ee 100644
--- a/include/dt-bindings/clock/rk3188-cru-common.h
+++ b/include/dt-bindings/clock/rk3188-cru-common.h
@@ -55,6 +55,7 @@
 #define SCLK_TIMER6		90
 #define SCLK_JTAG		91
 #define SCLK_SMC		92
+#define SCLK_TSADC		93
 
 #define DCLK_LCDC0		190
 #define DCLK_LCDC1		191