diff --git a/drivers/tpm/tpm_tis_infineon.h b/drivers/tpm/tpm_tis.h
similarity index 86%
rename from drivers/tpm/tpm_tis_infineon.h
rename to drivers/tpm/tpm_tis.h
index 3b510d1..25b152b 100644
--- a/drivers/tpm/tpm_tis_infineon.h
+++ b/drivers/tpm/tpm_tis.h
@@ -37,18 +37,12 @@ enum tpm_timeout {
 #define TPM_RSP_SIZE_BYTE	2
 #define TPM_RSP_RC_BYTE		6
 
-enum i2c_chip_type {
-	SLB9635,
-	SLB9645,
-	UNKNOWN,
-};
-
 struct tpm_chip {
 	int is_open;
 	int locality;
 	u32 vend_dev;
 	unsigned long timeout_a, timeout_b, timeout_c, timeout_d;  /* msec */
-	enum i2c_chip_type chip_type;
+	ulong chip_type;
 };
 
 struct tpm_input_header {
@@ -134,13 +128,4 @@ enum tis_status {
 	TPM_STS_DATA_EXPECT		= 0x08,
 };
 
-/* expected value for DIDVID register */
-#define TPM_TIS_I2C_DID_VID_9635 0x000b15d1L
-#define TPM_TIS_I2C_DID_VID_9645 0x001a15d1L
-
-#define	TPM_ACCESS(l)			(0x0000 | ((l) << 4))
-#define	TPM_STS(l)			(0x0001 | ((l) << 4))
-#define	TPM_DATA_FIFO(l)		(0x0005 | ((l) << 4))
-#define	TPM_DID_VID(l)			(0x0006 | ((l) << 4))
-
 #endif
diff --git a/drivers/tpm/tpm_tis_infineon.c b/drivers/tpm/tpm_tis_infineon.c
index f57c328..a4b6741 100644
--- a/drivers/tpm/tpm_tis_infineon.c
+++ b/drivers/tpm/tpm_tis_infineon.c
@@ -30,17 +30,32 @@
 #include <linux/types.h>
 #include <linux/unaligned/be_byteshift.h>
 
-#include "tpm_tis_infineon.h"
+#include "tpm_tis.h"
 #include "tpm_internal.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
+enum i2c_chip_type {
+	SLB9635,
+	SLB9645,
+	UNKNOWN,
+};
+
+/* expected value for DIDVID register */
+#define TPM_TIS_I2C_DID_VID_9635 0x000b15d1L
+#define TPM_TIS_I2C_DID_VID_9645 0x001a15d1L
+
 static const char * const chip_name[] = {
 	[SLB9635] = "slb9635tt",
 	[SLB9645] = "slb9645tt",
 	[UNKNOWN] = "unknown/fallback to slb9635",
 };
 
+#define	TPM_ACCESS(l)			(0x0000 | ((l) << 4))
+#define	TPM_STS(l)			(0x0001 | ((l) << 4))
+#define	TPM_DATA_FIFO(l)		(0x0005 | ((l) << 4))
+#define	TPM_DID_VID(l)			(0x0006 | ((l) << 4))
+
 /*
  * tpm_tis_i2c_read() - read from TPM register
  * @addr: register address to read from