--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#ifndef __DTS_KAANAPALI_MAILBOX_IPCC_H
+#define __DTS_KAANAPALI_MAILBOX_IPCC_H
+
+/* Physical client IDs */
+#define IPCC_MPROC_AOP 0
+#define IPCC_MPROC_TZ 1
+#define IPCC_MPROC_MPSS 2
+#define IPCC_MPROC_LPASS 3
+#define IPCC_MPROC_SDC 4
+#define IPCC_MPROC_CDSP 5
+#define IPCC_MPROC_APSS 6
+#define IPCC_MPROC_SOCCP 13
+#define IPCC_MPROC_DCP 14
+#define IPCC_MPROC_SPSS 15
+#define IPCC_MPROC_TME 16
+#define IPCC_MPROC_WPSS 17
+
+#define IPCC_COMPUTE_L0_CDSP 2
+#define IPCC_COMPUTE_L0_APSS 3
+#define IPCC_COMPUTE_L0_GPU 4
+#define IPCC_COMPUTE_L0_CVP 8
+#define IPCC_COMPUTE_L0_CAM 9
+#define IPCC_COMPUTE_L0_CAM1 10
+#define IPCC_COMPUTE_L0_DCP 11
+#define IPCC_COMPUTE_L0_VPU 12
+#define IPCC_COMPUTE_L0_SOCCP 16
+
+#define IPCC_COMPUTE_L1_CDSP 2
+#define IPCC_COMPUTE_L1_APSS 3
+#define IPCC_COMPUTE_L1_GPU 4
+#define IPCC_COMPUTE_L1_CVP 8
+#define IPCC_COMPUTE_L1_CAM 9
+#define IPCC_COMPUTE_L1_CAM1 10
+#define IPCC_COMPUTE_L1_DCP 11
+#define IPCC_COMPUTE_L1_VPU 12
+#define IPCC_COMPUTE_L1_SOCCP 16
+
+#define IPCC_PERIPH_CDSP 2
+#define IPCC_PERIPH_APSS 3
+#define IPCC_PERIPH_PCIE0 4
+#define IPCC_PERIPH_PCIE1 5
+
+#define IPCC_FENCE_CDSP 2
+#define IPCC_FENCE_APSS 3
+#define IPCC_FENCE_GPU 4
+#define IPCC_FENCE_CVP 8
+#define IPCC_FENCE_CAM 8
+#define IPCC_FENCE_CAM1 10
+#define IPCC_FENCE_DCP 11
+#define IPCC_FENCE_VPU 20
+#define IPCC_FENCE_SOCCP 24
+
+#endif