diff --git a/drivers/hwtracing/coresight/coresight-catu.h b/drivers/hwtracing/coresight/coresight-catu.h
new file mode 100644
index 0000000..4f221fc
--- /dev/null
+++ b/drivers/hwtracing/coresight/coresight-catu.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 Arm Limited. All rights reserved.
+ *
+ * Author: Suzuki K Poulose <suzuki.poulose@arm.com>
+ */
+
+#ifndef _CORESIGHT_CATU_H
+#define _CORESIGHT_CATU_H
+
+#include "coresight-priv.h"
+
+/* Register offset from base */
+#define CATU_CONTROL		0x000
+#define CATU_MODE		0x004
+#define CATU_AXICTRL		0x008
+#define CATU_IRQEN		0x00c
+#define CATU_SLADDRLO		0x020
+#define CATU_SLADDRHI		0x024
+#define CATU_INADDRLO		0x028
+#define CATU_INADDRHI		0x02c
+#define CATU_STATUS		0x100
+#define CATU_DEVARCH		0xfbc
+
+#define CATU_CONTROL_ENABLE	0
+
+#define CATU_MODE_PASS_THROUGH	0U
+#define CATU_MODE_TRANSLATE	1U
+
+#define CATU_STATUS_READY	8
+#define CATU_STATUS_ADRERR	0
+#define CATU_STATUS_AXIERR	4
+
+#define CATU_IRQEN_ON		0x1
+#define CATU_IRQEN_OFF		0x0
+
+struct catu_drvdata {
+	struct device *dev;
+	void __iomem *base;
+	struct coresight_device *csdev;
+	int irq;
+};
+
+#define CATU_REG32(name, offset)					\
+static inline u32							\
+catu_read_##name(struct catu_drvdata *drvdata)				\
+{									\
+	return coresight_read_reg_pair(drvdata->base, offset, -1);	\
+}									\
+static inline void							\
+catu_write_##name(struct catu_drvdata *drvdata, u32 val)		\
+{									\
+	coresight_write_reg_pair(drvdata->base, val, offset, -1);	\
+}
+
+#define CATU_REG_PAIR(name, lo_off, hi_off)				\
+static inline u64							\
+catu_read_##name(struct catu_drvdata *drvdata)				\
+{									\
+	return coresight_read_reg_pair(drvdata->base, lo_off, hi_off);	\
+}									\
+static inline void							\
+catu_write_##name(struct catu_drvdata *drvdata, u64 val)		\
+{									\
+	coresight_write_reg_pair(drvdata->base, val, lo_off, hi_off);	\
+}
+
+CATU_REG32(control, CATU_CONTROL);
+CATU_REG32(mode, CATU_MODE);
+CATU_REG_PAIR(sladdr, CATU_SLADDRLO, CATU_SLADDRHI)
+CATU_REG_PAIR(inaddr, CATU_INADDRLO, CATU_INADDRHI)
+
+static inline bool coresight_is_catu_device(struct coresight_device *csdev)
+{
+	if (!IS_ENABLED(CONFIG_CORESIGHT_CATU))
+		return false;
+	if (csdev->type != CORESIGHT_DEV_TYPE_HELPER)
+		return false;
+	if (csdev->subtype.helper_subtype != CORESIGHT_DEV_SUBTYPE_HELPER_CATU)
+		return false;
+	return true;
+}
+
+#endif