diff --git a/include/dt-bindings/clock/gxbb-clkc.h b/include/dt-bindings/clock/gxbb-clkc.h
index ce4ad63..ccef028 100644
--- a/include/dt-bindings/clock/gxbb-clkc.h
+++ b/include/dt-bindings/clock/gxbb-clkc.h
@@ -11,6 +11,7 @@
 #define CLKID_FCLK_DIV3		5
 #define CLKID_FCLK_DIV4		6
 #define CLKID_CLK81		12
+#define CLKID_MPLL2		15
 #define CLKID_ETH		36
 #define CLKID_SD_EMMC_A		94
 #define CLKID_SD_EMMC_B		95