diff --git a/include/dt-bindings/clock/rk3399-cru.h b/include/dt-bindings/clock/rk3399-cru.h
index 220a60f20d3ba5f272bce1d3b56db644e069038a..22cb1dfa9004ac1ef00ab9aa59ee92c7ed4f8af2 100644
--- a/include/dt-bindings/clock/rk3399-cru.h
+++ b/include/dt-bindings/clock/rk3399-cru.h
@@ -132,6 +132,8 @@
 #define SCLK_RMII_SRC			166
 #define SCLK_PCIEPHY_REF100M		167
 #define SCLK_DDRC			168
+#define SCLK_TESTCLKOUT1		169
+#define SCLK_TESTCLKOUT2		170
 
 #define DCLK_VOP0			180
 #define DCLK_VOP1			181