diff --git a/include/sdhci.h b/include/sdhci.h
index d41287f..c0345ed 100644
--- a/include/sdhci.h
+++ b/include/sdhci.h
@@ -253,8 +253,10 @@
 	unsigned int clock;
 	struct mmc *mmc;
 	const struct sdhci_ops *ops;
+	int index;
 
 	void (*set_control_reg)(struct sdhci_host *host);
+	void (*set_clock)(int dev_index, unsigned int div);
 	uint	voltages;
 };