diff --git a/drivers/crypto/atmel-sha-regs.h b/drivers/crypto/atmel-sha-regs.h
index deb0b0b150960192812c4842ac039d0e63c71ca1..8d62d31eda0899d649229dc6cea1e82cbe38fb4e 100644
--- a/drivers/crypto/atmel-sha-regs.h
+++ b/drivers/crypto/atmel-sha-regs.h
@@ -16,6 +16,7 @@
 #define SHA_MR_MODE_MANUAL		0x0
 #define SHA_MR_MODE_AUTO		0x1
 #define SHA_MR_MODE_PDC			0x2
+#define SHA_MR_MODE_IDATAR0		0x2
 #define SHA_MR_PROCDLY			(1 << 4)
 #define SHA_MR_UIHV			(1 << 5)
 #define SHA_MR_UIEHV			(1 << 6)