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diff --git a/source/hal/source/platform/mps4/include/timer_mps4.h b/source/hal/source/platform/mps4/include/timer_mps4.h
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+++ b/source/hal/source/platform/mps4/include/timer_mps4.h
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+/*
+ * SPDX-FileCopyrightText: Copyright 2024 Arm Limited and/or its
+ * affiliates <open-source-office@arm.com>
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef TIMER_MPS4_H
+#define TIMER_MPS4_H
+
+#include "platform_pmu.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#if defined (ARM_NPU)
+    #include "ethosu_profiler.h"    /* Arm Ethos-U NPU profiling functions. */
+#endif /* defined (ARM_NPU) */
+
+/* Container for timestamp up-counters. */
+typedef struct mps4_pmu_counters_ {
+    uint32_t    counter_1Hz;
+    uint32_t    counter_100Hz;
+
+    /* Running at FPGA clock rate. See get_mps4_core_clock(). */
+    uint32_t    counter_fpga;
+
+    /* Running at processor core's internal clock rate, triggered by SysTick. */
+    uint64_t    counter_systick;
+} mps4_pmu_counters;
+
+/**
+ * @brief   Resets the counters.
+ */
+void platform_reset_counters(void);
+
+/**
+ * @brief       Gets the current counter values.
+ * @param[out]  Pointer to a pmu_counters object.
+ **/
+void platform_get_counters(pmu_counters* counters);
+
+/**
+ * @brief  Gets the MPS4 core clock
+ * @return Clock rate in Hz expressed as 32 bit unsigned integer.
+ */
+uint32_t get_mps4_core_clock(void);
+
+/**
+ * @brief   System tick interrupt handler.
+ **/
+void SysTick_Handler(void);
+
+#endif /* TIMER_MPS4_H */