1 files changed, 6 insertions, 0 deletions
diff --git a/MdePkg/Include/IndustryStandard/Acpi60.h b/MdePkg/Include/IndustryStandard/Acpi60.h
index 94a30a81b3..5dcd73b6f1 100644
--- a/MdePkg/Include/IndustryStandard/Acpi60.h
+++ b/MdePkg/Include/IndustryStandard/Acpi60.h
@@ -3,6 +3,7 @@
 
   Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
   (C) Copyright 2015-2016 Hewlett Packard Enterprise Development LP<BR>
+  Copyright (c) 2020, ARM Ltd. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
@@ -2322,6 +2323,11 @@ typedef struct {
 #define EFI_ACPI_6_0_DATA_MANAGEMENT_TABLE_SIGNATURE  SIGNATURE_32('M', 'S', 'D', 'M')
 
 ///
+/// "PCCT" Platform Communications Channel Table
+///
+#define EFI_ACPI_6_0_PLATFORM_COMMUNICATIONS_CHANNEL_TABLE_SIGNATURE  SIGNATURE_32('P', 'C', 'C', 'T')
+
+///
 /// "SLIC" MS Software Licensing Table Specification
 ///
 #define EFI_ACPI_6_0_SOFTWARE_LICENSING_TABLE_SIGNATURE  SIGNATURE_32('S', 'L', 'I', 'C')