diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index 7fadb5b..faf40cb 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -148,6 +148,7 @@ struct dw_spi {
 	unsigned long		paddr;
 	int			irq;
 	u32			fifo_len;	/* depth of the FIFO buffer */
+	u32			max_mem_freq;	/* max mem-ops bus freq */
 	u32			max_freq;	/* max bus freq supported */
 
 	u32			caps;		/* DW SPI capabilities */