tpm: add a helper to iterate on all tpm devices

[oweals/u-boot.git] / include / tpm-common.h

diff --git a/include/tpm-common.h b/include/tpm-common.h
index 91a1484b3d63a04a53f0cd2160c9e731ec219eee..702cd6e93b8b5d2cd000b2edeb2c8f0bae6fa46a 100644 (file)
--- a/include/tpm-common.h
+++ b/include/tpm-common.h
@@ -209,6 +209,14 @@ int tpm_open(struct udevice *dev);
  */
 int tpm_close(struct udevice *dev);
 
+/**
+ * tpm_clear_and_reenable() - Force clear the TPM and reenable it
+ *
+ * @dev: TPM device
+ * @return 0 on success, -ve on failure
+ */
+u32 tpm_clear_and_reenable(struct udevice *dev);
+
 /**
  * tpm_get_desc() - Get a text description of the TPM
  *
@@ -285,4 +293,7 @@ static inline cmd_tbl_t *get_tpm2_commands(unsigned int *size)
  */
 enum tpm_version tpm_get_version(struct udevice *dev);
 
+/* Iterate on all TPM devices */
+#define for_each_tpm_device(dev) uclass_foreach_dev_probe(UCLASS_TPM, (dev))
+
 #endif /* __TPM_COMMON_H */