1 files changed, 13 insertions, 0 deletions
diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec
index 3be5f13f8f..debe066b6f 100644
--- a/ArmPkg/ArmPkg.dec
+++ b/ArmPkg/ArmPkg.dec
@@ -49,6 +49,19 @@
   # Include/Guid/ArmMpCoreInfo.h
   gArmMpCoreInfoGuid = { 0xa4ee0728, 0xe5d7, 0x4ac5,  {0xb2, 0x1e, 0x65, 0x8e, 0xd8, 0x57, 0xe8, 0x34} }
 
+[Protocols.common]
+  ## Arm System Control and Management Interface(SCMI) Base protocol
+  ## ArmPkg/Include/Protocol/ArmScmiBaseProtocol.h
+  gArmScmiBaseProtocolGuid = { 0xd7e5abe9, 0x33ab, 0x418e, { 0x9f, 0x91, 0x72, 0xda, 0xe2, 0xba, 0x8e, 0x2f } }
+
+  ## Arm System Control and Management Interface(SCMI) Clock management protocol
+  ## ArmPkg/Include/Protocol/ArmScmiClockProtocol.h
+  gArmScmiClockProtocolGuid = { 0x91ce67a8, 0xe0aa, 0x4012, { 0xb9, 0x9f, 0xb6, 0xfc, 0xf3, 0x4, 0x8e, 0xaa } }
+
+  ## Arm System Control and Management Interface(SCMI) Clock management protocol
+  ## ArmPkg/Include/Protocol/ArmScmiPerformanceProtocol.h
+  gArmScmiPerformanceProtocolGuid = { 0x9b8ba84, 0x3dd3, 0x49a6, { 0xa0, 0x5a, 0x31, 0x34, 0xa5, 0xf0, 0x7b, 0xad } }
+
 [Ppis]
   ## Include/Ppi/ArmMpCoreInfo.h
   gArmMpCoreInfoPpiGuid = { 0x6847cc74, 0xe9ec, 0x4f8f, {0xa2, 0x9d, 0xab, 0x44, 0xe7, 0x54, 0xa8, 0xfc} }