diff --git a/board/altera/socfpga/pll_config.h b/board/altera/socfpga/pll_config.h
index 9bd0442..f0f59a9 100644
--- a/board/altera/socfpga/pll_config.h
+++ b/board/altera/socfpga/pll_config.h
@@ -94,6 +94,9 @@
 
 /* Info for driver */
 #define CONFIG_HPS_CLK_OSC1_HZ			(25000000)
+#define CONFIG_HPS_CLK_OSC2_HZ			0
+#define CONFIG_HPS_CLK_F2S_SDR_REF_HZ		0
+#define CONFIG_HPS_CLK_F2S_PER_REF_HZ		0
 #define CONFIG_HPS_CLK_MAINVCO_HZ		(1600000000)
 #define CONFIG_HPS_CLK_PERVCO_HZ		(1000000000)
 #ifdef CONFIG_SOCFPGA_ARRIA5