diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index fee0241b5098..4b8cf3ce6963 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -81,6 +81,7 @@ properties:
           - mediatek,mt8195-iommu-vdo        # generation two
           - mediatek,mt8195-iommu-vpp        # generation two
           - mediatek,mt8195-iommu-infra      # generation two
+          - mediatek,mt8365-m4u  # generation two
 
       - description: mt7623 generation one
         items:
@@ -130,6 +131,7 @@ properties:
       dt-binding/memory/mt8186-memory-port.h for mt8186,
       dt-binding/memory/mt8192-larb-port.h for mt8192.
       dt-binding/memory/mt8195-memory-port.h for mt8195.
+      dt-binding/memory/mt8365-larb-port.h for mt8365.
 
   power-domains:
     maxItems: 1
diff --git a/include/dt-bindings/memory/mediatek,mt8365-larb-port.h b/include/dt-bindings/memory/mediatek,mt8365-larb-port.h
new file mode 100644
index 000000000000..56d5a5dd519e
--- /dev/null
+++ b/include/dt-bindings/memory/mediatek,mt8365-larb-port.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Yong Wu <yong.wu@mediatek.com>
+ */
+#ifndef _DT_BINDINGS_MEMORY_MT8365_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8365_LARB_PORT_H_
+
+#include <dt-bindings/memory/mtk-memory-port.h>
+
+#define M4U_LARB0_ID			0
+#define M4U_LARB1_ID			1
+#define M4U_LARB2_ID			2
+#define M4U_LARB3_ID			3
+
+/* larb0 */
+#define M4U_PORT_DISP_OVL0		MTK_M4U_ID(M4U_LARB0_ID, 0)
+#define M4U_PORT_DISP_OVL0_2L		MTK_M4U_ID(M4U_LARB0_ID, 1)
+#define M4U_PORT_DISP_RDMA0		MTK_M4U_ID(M4U_LARB0_ID, 2)
+#define M4U_PORT_DISP_WDMA0		MTK_M4U_ID(M4U_LARB0_ID, 3)
+#define M4U_PORT_DISP_RDMA1		MTK_M4U_ID(M4U_LARB0_ID, 4)
+#define M4U_PORT_MDP_RDMA0		MTK_M4U_ID(M4U_LARB0_ID, 5)
+#define M4U_PORT_MDP_WROT1		MTK_M4U_ID(M4U_LARB0_ID, 6)
+#define M4U_PORT_MDP_WROT0		MTK_M4U_ID(M4U_LARB0_ID, 7)
+#define M4U_PORT_MDP_RDMA1		MTK_M4U_ID(M4U_LARB0_ID, 8)
+#define M4U_PORT_DISP_FAKE0		MTK_M4U_ID(M4U_LARB0_ID, 9)
+#define M4U_PORT_APU_READ		MTK_M4U_ID(M4U_LARB0_ID, 10)
+#define M4U_PORT_APU_WRITE		MTK_M4U_ID(M4U_LARB0_ID, 11)
+
+/* larb1 */
+#define M4U_PORT_VENC_RCPU		MTK_M4U_ID(M4U_LARB1_ID, 0)
+#define M4U_PORT_VENC_REC		MTK_M4U_ID(M4U_LARB1_ID, 1)
+#define M4U_PORT_VENC_BSDMA		MTK_M4U_ID(M4U_LARB1_ID, 2)
+#define M4U_PORT_VENC_SV_COMV		MTK_M4U_ID(M4U_LARB1_ID, 3)
+#define M4U_PORT_VENC_RD_COMV		MTK_M4U_ID(M4U_LARB1_ID, 4)
+#define M4U_PORT_VENC_NBM_RDMA		MTK_M4U_ID(M4U_LARB1_ID, 5)
+#define M4U_PORT_VENC_NBM_RDMA_LITE	MTK_M4U_ID(M4U_LARB1_ID, 6)
+#define M4U_PORT_JPGENC_Y_RDMA		MTK_M4U_ID(M4U_LARB1_ID, 7)
+#define M4U_PORT_JPGENC_C_RDMA		MTK_M4U_ID(M4U_LARB1_ID, 8)
+#define M4U_PORT_JPGENC_Q_TABLE		MTK_M4U_ID(M4U_LARB1_ID, 9)
+#define M4U_PORT_JPGENC_BSDMA		MTK_M4U_ID(M4U_LARB1_ID, 10)
+#define M4U_PORT_JPGDEC_WDMA		MTK_M4U_ID(M4U_LARB1_ID, 11)
+#define M4U_PORT_JPGDEC_BSDMA		MTK_M4U_ID(M4U_LARB1_ID, 12)
+#define M4U_PORT_VENC_NBM_WDMA		MTK_M4U_ID(M4U_LARB1_ID, 13)
+#define M4U_PORT_VENC_NBM_WDMA_LITE	MTK_M4U_ID(M4U_LARB1_ID, 14)
+#define M4U_PORT_VENC_CUR_LUMA		MTK_M4U_ID(M4U_LARB1_ID, 15)
+#define M4U_PORT_VENC_CUR_CHROMA	MTK_M4U_ID(M4U_LARB1_ID, 16)
+#define M4U_PORT_VENC_REF_LUMA		MTK_M4U_ID(M4U_LARB1_ID, 17)
+#define M4U_PORT_VENC_REF_CHROMA	MTK_M4U_ID(M4U_LARB1_ID, 18)
+
+/* larb2 */
+#define M4U_PORT_CAM_IMGO		MTK_M4U_ID(M4U_LARB2_ID, 0)
+#define M4U_PORT_CAM_RRZO		MTK_M4U_ID(M4U_LARB2_ID, 1)
+#define M4U_PORT_CAM_AAO		MTK_M4U_ID(M4U_LARB2_ID, 2)
+#define M4U_PORT_CAM_LCS		MTK_M4U_ID(M4U_LARB2_ID, 3)
+#define M4U_PORT_CAM_ESFKO		MTK_M4U_ID(M4U_LARB2_ID, 4)
+#define M4U_PORT_CAM_CAM_SV0		MTK_M4U_ID(M4U_LARB2_ID, 5)
+#define M4U_PORT_CAM_CAM_SV1		MTK_M4U_ID(M4U_LARB2_ID, 6)
+#define M4U_PORT_CAM_LSCI		MTK_M4U_ID(M4U_LARB2_ID, 7)
+#define M4U_PORT_CAM_LSCI_D		MTK_M4U_ID(M4U_LARB2_ID, 8)
+#define M4U_PORT_CAM_AFO		MTK_M4U_ID(M4U_LARB2_ID, 9)
+#define M4U_PORT_CAM_SPARE		MTK_M4U_ID(M4U_LARB2_ID, 10)
+#define M4U_PORT_CAM_BPCI		MTK_M4U_ID(M4U_LARB2_ID, 11)
+#define M4U_PORT_CAM_BPCI_D		MTK_M4U_ID(M4U_LARB2_ID, 12)
+#define M4U_PORT_CAM_UFDI		MTK_M4U_ID(M4U_LARB2_ID, 13)
+#define M4U_PORT_CAM_IMGI		MTK_M4U_ID(M4U_LARB2_ID, 14)
+#define M4U_PORT_CAM_IMG2O		MTK_M4U_ID(M4U_LARB2_ID, 15)
+#define M4U_PORT_CAM_IMG3O		MTK_M4U_ID(M4U_LARB2_ID, 16)
+#define M4U_PORT_CAM_WPE0_I		MTK_M4U_ID(M4U_LARB2_ID, 17)
+#define M4U_PORT_CAM_WPE1_I		MTK_M4U_ID(M4U_LARB2_ID, 18)
+#define M4U_PORT_CAM_WPE_O		MTK_M4U_ID(M4U_LARB2_ID, 19)
+#define M4U_PORT_CAM_FD0_I		MTK_M4U_ID(M4U_LARB2_ID, 20)
+#define M4U_PORT_CAM_FD1_I		MTK_M4U_ID(M4U_LARB2_ID, 21)
+#define M4U_PORT_CAM_FD0_O		MTK_M4U_ID(M4U_LARB2_ID, 22)
+#define M4U_PORT_CAM_FD1_O		MTK_M4U_ID(M4U_LARB2_ID, 23)
+
+/* larb3 */
+#define M4U_PORT_HW_VDEC_MC_EXT		MTK_M4U_ID(M4U_LARB3_ID, 0)
+#define M4U_PORT_HW_VDEC_UFO_EXT	MTK_M4U_ID(M4U_LARB3_ID, 1)
+#define M4U_PORT_HW_VDEC_PP_EXT		MTK_M4U_ID(M4U_LARB3_ID, 2)
+#define M4U_PORT_HW_VDEC_PRED_RD_EXT	MTK_M4U_ID(M4U_LARB3_ID, 3)
+#define M4U_PORT_HW_VDEC_PRED_WR_EXT	MTK_M4U_ID(M4U_LARB3_ID, 4)
+#define M4U_PORT_HW_VDEC_PPWRAP_EXT	MTK_M4U_ID(M4U_LARB3_ID, 5)
+#define M4U_PORT_HW_VDEC_TILE_EXT	MTK_M4U_ID(M4U_LARB3_ID, 6)
+#define M4U_PORT_HW_VDEC_VLD_EXT	MTK_M4U_ID(M4U_LARB3_ID, 7)
+#define M4U_PORT_HW_VDEC_VLD2_EXT	MTK_M4U_ID(M4U_LARB3_ID, 8)
+#define M4U_PORT_HW_VDEC_AVC_MV_EXT	MTK_M4U_ID(M4U_LARB3_ID, 9)
+#define M4U_PORT_HW_VDEC_RG_CTRL_DMA_EXT MTK_M4U_ID(M4U_LARB3_ID, 10)
+
+#endif
