mt8183.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Copyright (c) 2021 MediaTek Inc.
  4 * Copyright (c) 2024 Collabora Ltd.
  5 *                    AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
  6 */
  7
  8#include <linux/device.h>
  9#include <linux/interconnect.h>
 10#include <linux/interconnect-provider.h>
 11#include <linux/mod_devicetable.h>
 12#include <linux/module.h>
 13#include <linux/platform_device.h>
 14#include <dt-bindings/interconnect/mediatek,mt8183.h>
 15
 16#include "icc-emi.h"
 17
 18static struct mtk_icc_node ddr_emi = {
 19	.name = "ddr-emi",
 20	.id = SLAVE_DDR_EMI,
 21	.ep = 1,
 22};
 23
 24static struct mtk_icc_node mcusys = {
 25	.name = "mcusys",
 26	.id = MASTER_MCUSYS,
 27	.ep = 0,
 28	.num_links = 1,
 29	.links = { SLAVE_DDR_EMI }
 30};
 31
 32static struct mtk_icc_node gpu = {
 33	.name = "gpu",
 34	.id = MASTER_MFG,
 35	.ep = 0,
 36	.num_links = 1,
 37	.links = { SLAVE_DDR_EMI }
 38};
 39
 40static struct mtk_icc_node mmsys = {
 41	.name = "mmsys",
 42	.id = MASTER_MMSYS,
 43	.ep = 0,
 44	.num_links = 1,
 45	.links = { SLAVE_DDR_EMI }
 46};
 47
 48static struct mtk_icc_node mm_vpu = {
 49	.name = "mm-vpu",
 50	.id = MASTER_MM_VPU,
 51	.ep = 0,
 52	.num_links = 1,
 53	.links = { MASTER_MMSYS }
 54};
 55
 56static struct mtk_icc_node mm_disp = {
 57	.name = "mm-disp",
 58	.id = MASTER_MM_DISP,
 59	.ep = 0,
 60	.num_links = 1,
 61	.links = { MASTER_MMSYS }
 62};
 63
 64static struct mtk_icc_node mm_vdec = {
 65	.name = "mm-vdec",
 66	.id = MASTER_MM_VDEC,
 67	.ep = 0,
 68	.num_links = 1,
 69	.links = { MASTER_MMSYS }
 70};
 71
 72static struct mtk_icc_node mm_venc = {
 73	.name = "mm-venc",
 74	.id = MASTER_MM_VENC,
 75	.ep = 0,
 76	.num_links = 1,
 77	.links = { MASTER_MMSYS }
 78};
 79
 80static struct mtk_icc_node mm_cam = {
 81	.name = "mm-cam",
 82	.id = MASTER_MM_CAM,
 83	.ep = 0,
 84	.num_links = 1,
 85	.links = { MASTER_MMSYS }
 86};
 87
 88static struct mtk_icc_node mm_img = {
 89	.name = "mm-img",
 90	.id = MASTER_MM_IMG,
 91	.ep = 0,
 92	.num_links = 1,
 93	.links = { MASTER_MMSYS }
 94};
 95
 96static struct mtk_icc_node mm_mdp = {
 97	.name = "mm-mdp",
 98	.id = MASTER_MM_MDP,
 99	.ep = 0,
100	.num_links = 1,
101	.links = { MASTER_MMSYS }
102};
103
104static struct mtk_icc_node *mt8183_emi_icc_nodes[] = {
105	[SLAVE_DDR_EMI] = &ddr_emi,
106	[MASTER_MCUSYS] = &mcusys,
107	[MASTER_MFG] = &gpu,
108	[MASTER_MMSYS] = &mmsys,
109	[MASTER_MM_VPU] = &mm_vpu,
110	[MASTER_MM_DISP] = &mm_disp,
111	[MASTER_MM_VDEC] = &mm_vdec,
112	[MASTER_MM_VENC] = &mm_venc,
113	[MASTER_MM_CAM] = &mm_cam,
114	[MASTER_MM_IMG] = &mm_img,
115	[MASTER_MM_MDP] = &mm_mdp
116};
117
118static const struct mtk_icc_desc mt8183_emi_icc = {
119	.nodes = mt8183_emi_icc_nodes,
120	.num_nodes = ARRAY_SIZE(mt8183_emi_icc_nodes),
121};
122
123static const struct of_device_id mtk_mt8183_emi_icc_of_match[] = {
124	{ .compatible = "mediatek,mt8183-emi", .data = &mt8183_emi_icc },
125	{ /* sentinel */ },
126};
127MODULE_DEVICE_TABLE(of, mtk_mt8183_emi_icc_of_match);
128
129static struct platform_driver mtk_emi_icc_mt8183_driver = {
130	.driver = {
131		.name = "emi-icc-mt8183",
132		.of_match_table = mtk_mt8183_emi_icc_of_match,
133		.sync_state = icc_sync_state,
134	},
135	.probe = mtk_emi_icc_probe,
136	.remove = mtk_emi_icc_remove,
137
138};
139module_platform_driver(mtk_emi_icc_mt8183_driver);
140
141MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>");
142MODULE_DESCRIPTION("MediaTek MT8183 EMI ICC driver");
143MODULE_LICENSE("GPL");