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-rw-r--r--include/efi.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/efi.h b/include/efi.h
index 6bb5f8cb0a..a27cbe1f49 100644
--- a/include/efi.h
+++ b/include/efi.h
@@ -562,6 +562,9 @@ extern struct efi_runtime_services *RT;
#define EFI_TIMESTAMP_PROTOCOL_GUID \
EFI_GUID(0xafbfde41, 0x2e6e, 0x4262, 0xba, 0x65, 0x62, 0xb9, 0x23, 0x6e, 0x54, 0x95)
+#define EFI_I2C_MASTER_PROTOCOL_GUID \
+ EFI_GUID(0xcd72881f, 0x45b5, 0x4feb, 0x98, 0xc8, 0x31, 0x3d, 0xa8, 0x11, 0x74, 0x62)
+
/* barebox specific GUIDs */
#define EFI_BAREBOX_VENDOR_GUID \
EFI_GUID(0x5b91f69c, 0x8b88, 0x4a2b, 0x92, 0x69, 0x5f, 0x1d, 0x80, 0x2b, 0x51, 0x75)