Add mt8186 iommu binding. "-mm" means the iommu is for Multimedia.
Signed-off-by: Yong Wu
Acked-by: Krzysztof Kozlowski
Reviewed-by: Rob Herring
Reviewed-by: Matthias Brugger
---
.../bindings/iommu/mediatek,iommu.yaml| 4 +
.../dt-bindings/memory/mt8186-memory-port.h | 217 ++
2 files changed, 221 insertions(+)
create mode 100644 include/dt-bindings/memory/mt8186-memory-port.h
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index eed59ec00e78..91a3629a8e6e 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -76,6 +76,7 @@ properties:
- mediatek,mt8167-m4u # generation two
- mediatek,mt8173-m4u # generation two
- mediatek,mt8183-m4u # generation two
+ - mediatek,mt8186-iommu-mm # generation two
- mediatek,mt8192-m4u # generation two
- mediatek,mt8195-iommu-vdo# generation two
- mediatek,mt8195-iommu-vpp# generation two
@@ -122,6 +123,7 @@ properties:
dt-binding/memory/mt8167-larb-port.h for mt8167,
dt-binding/memory/mt8173-larb-port.h for mt8173,
dt-binding/memory/mt8183-larb-port.h for mt8183,
+ 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.
@@ -143,6 +145,7 @@ allOf:
- mediatek,mt2701-m4u
- mediatek,mt2712-m4u
- mediatek,mt8173-m4u
+ - mediatek,mt8186-iommu-mm
- mediatek,mt8192-m4u
- mediatek,mt8195-iommu-vdo
- mediatek,mt8195-iommu-vpp
@@ -155,6 +158,7 @@ allOf:
properties:
compatible:
enum:
+- mediatek,mt8186-iommu-mm
- mediatek,mt8192-m4u
- mediatek,mt8195-iommu-vdo
- mediatek,mt8195-iommu-vpp
diff --git a/include/dt-bindings/memory/mt8186-memory-port.h
b/include/dt-bindings/memory/mt8186-memory-port.h
new file mode 100644
index ..2bc6e4433048
--- /dev/null
+++ b/include/dt-bindings/memory/mt8186-memory-port.h
@@ -0,0 +1,217 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ *
+ * Author: Anan Sun
+ * Author: Yong Wu
+ */
+#ifndef _DT_BINDINGS_MEMORY_MT8186_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8186_LARB_PORT_H_
+
+#include
+
+/*
+ * MM IOMMU supports 16GB dma address. We separate it to four ranges:
+ * 0 ~ 4G; 4G ~ 8G; 8G ~ 12G; 12G ~ 16G, we could adjust these masters
+ * locate in anyone region. BUT:
+ * a) Make sure all the ports inside a larb are in one range.
+ * b) The iova of any master can NOT cross the 4G/8G/12G boundary.
+ *
+ * This is the suggested mapping in this SoC:
+ *
+ * modulesdma-address-region larbs-ports
+ * disp 0 ~ 4G larb0/1/2
+ * vcodec 4G ~ 8G larb4/7
+ * cam/mdp 8G ~ 12G the other larbs.
+ * N/A 12G ~ 16G
+ * CCU0 0x24000_ ~ 0x243ff_ larb13: port 9/10
+ * CCU1 0x24400_ ~ 0x247ff_ larb14: port 4/5
+ */
+
+/* MM IOMMU ports */
+/* LARB 0 -- MMSYS */
+#define IOMMU_PORT_L0_DISP_POSTMASK0 MTK_M4U_ID(0, 0)
+#define IOMMU_PORT_L0_REVERSED MTK_M4U_ID(0, 1)
+#define IOMMU_PORT_L0_OVL_RDMA0MTK_M4U_ID(0, 2)
+#define IOMMU_PORT_L0_DISP_FAKE0 MTK_M4U_ID(0, 3)
+
+/* LARB 1 -- MMSYS */
+#define IOMMU_PORT_L1_DISP_RDMA1 MTK_M4U_ID(1, 0)
+#define IOMMU_PORT_L1_OVL_2L_RDMA0 MTK_M4U_ID(1, 1)
+#define IOMMU_PORT_L1_DISP_RDMA0 MTK_M4U_ID(1, 2)
+#define IOMMU_PORT_L1_DISP_WDMA0 MTK_M4U_ID(1, 3)
+#define IOMMU_PORT_L1_DISP_FAKE1 MTK_M4U_ID(1, 4)
+
+/* LARB 2 -- MMSYS */
+#define IOMMU_PORT_L2_MDP_RDMA0MTK_M4U_ID(2, 0)
+#define IOMMU_PORT_L2_MDP_RDMA1MTK_M4U_ID(2, 1)
+#define IOMMU_PORT_L2_MDP_WROT0MTK_M4U_ID(2, 2)
+#define IOMMU_PORT_L2_MDP_WROT1MTK_M4U_ID(2, 3)
+#define IOMMU_PORT_L2_DISP_FAKE0 MTK_M4U_ID(2, 4)
+
+/* LARB 4 -- VDEC */
+#define IOMMU_PORT_L4_HW_VDEC_MC_EXT MTK_M4U_ID(4, 0)
+#define IOMMU_PORT_L4_HW_VDEC_UFO_EXT MTK_M4U_ID(4, 1)
+#define IOMMU_PORT_L4_HW_VDEC_PP_EXT MTK_M4U_ID(4, 2)
+#define IOMMU_PORT_L4_HW_VDEC_PRED_RD_EXT MTK_M4U_ID(4, 3)
+#define IOMMU_PORT_L4_HW_VDEC_PRED_WR_EXT MTK_M4U_ID(4, 4)
+#define IOMMU_PORT_L4_HW_VDEC_PPWRAP_EXT MTK_M4U_ID(4, 5)
+#define IOMMU_PORT_L4_HW_VDEC_TILE_EXT MTK_M4U_ID(4, 6)
+#define IOMMU_PORT_L4_HW_VDEC_VLD_EXT MTK_M4U_ID(4, 7)
+#define IOMMU_PORT_L4_HW_VDEC_VLD2_EXT MTK_M4U_ID(4, 8)
+#define IOMMU_PORT_L4_HW_VDEC_AVC_MV_EXT MTK_M4U_ID(4, 9)
+#define IOMMU_PORT_L4_HW_VDEC_UFO_ENC_EXT MTK_M4U_ID(4, 10)
+#define
