diff --git a/include/lib/cpus/aarch64/cortex_deimos.h b/include/lib/cpus/aarch64/cortex_deimos.h
new file mode 100644
index 0000000..3c36567
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_deimos.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __CORTEX_DEIMOS_H__
+#define __CORTEX_DEIMOS_H__
+
+#define CORTEX_DEIMOS_MIDR					U(0x410FD0D0)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_DEIMOS_CPUECTLR_EL1				S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_DEIMOS_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_DEIMOS_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		(U(1) << 0)
+
+#endif /* __CORTEX_DEIMOS_H__ */