diff --git a/drivers/spi/spi-rzv2m-csi.c b/drivers/spi/spi-rzv2m-csi.c
index c0d9a776770f..b595f3b7294d 100644
--- a/drivers/spi/spi-rzv2m-csi.c
+++ b/drivers/spi/spi-rzv2m-csi.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2023 Renesas Electronics Corporation
  */
 
+#include <linux/bits.h>
 #include <linux/clk.h>
 #include <linux/count_zeros.h>
 #include <linux/interrupt.h>