1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2022 MediaTek Inc.
4 * Author: Garmin Chang <garmin.chang@mediatek.com>
5 */
6
7#include <dt-bindings/clock/mediatek,mt8188-clk.h>
8#include <linux/clk-provider.h>
9#include <linux/platform_device.h>
10
11#include "clk-gate.h"
12#include "clk-mtk.h"
13
14static const struct mtk_gate_regs imgsys_cg_regs = {
15 .set_ofs = 0x4,
16 .clr_ofs = 0x8,
17 .sta_ofs = 0x0,
18};
19
20#define GATE_IMGSYS(_id, _name, _parent, _shift) \
21 GATE_MTK(_id, _name, _parent, &imgsys_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
22
23static const struct mtk_gate imgsys_main_clks[] = {
24 GATE_IMGSYS(CLK_IMGSYS_MAIN_LARB9, "imgsys_main_larb9", "top_img", 0),
25 GATE_IMGSYS(CLK_IMGSYS_MAIN_TRAW0, "imgsys_main_traw0", "top_img", 1),
26 GATE_IMGSYS(CLK_IMGSYS_MAIN_TRAW1, "imgsys_main_traw1", "top_img", 2),
27 GATE_IMGSYS(CLK_IMGSYS_MAIN_VCORE_GALS, "imgsys_main_vcore_gals", "top_img", 3),
28 GATE_IMGSYS(CLK_IMGSYS_MAIN_DIP0, "imgsys_main_dip0", "top_img", 8),
29 GATE_IMGSYS(CLK_IMGSYS_MAIN_WPE0, "imgsys_main_wpe0", "top_img", 9),
30 GATE_IMGSYS(CLK_IMGSYS_MAIN_IPE, "imgsys_main_ipe", "top_img", 10),
31 GATE_IMGSYS(CLK_IMGSYS_MAIN_WPE1, "imgsys_main_wpe1", "top_img", 12),
32 GATE_IMGSYS(CLK_IMGSYS_MAIN_WPE2, "imgsys_main_wpe2", "top_img", 13),
33 GATE_IMGSYS(CLK_IMGSYS_MAIN_GALS, "imgsys_main_gals", "top_img", 31),
34};
35
36static const struct mtk_gate imgsys_wpe1_clks[] = {
37 GATE_IMGSYS(CLK_IMGSYS_WPE1_LARB11, "imgsys_wpe1_larb11", "top_img", 0),
38 GATE_IMGSYS(CLK_IMGSYS_WPE1, "imgsys_wpe1", "top_img", 1),
39};
40
41static const struct mtk_gate imgsys_wpe2_clks[] = {
42 GATE_IMGSYS(CLK_IMGSYS_WPE2_LARB11, "imgsys_wpe2_larb11", "top_img", 0),
43 GATE_IMGSYS(CLK_IMGSYS_WPE2, "imgsys_wpe2", "top_img", 1),
44};
45
46static const struct mtk_gate imgsys_wpe3_clks[] = {
47 GATE_IMGSYS(CLK_IMGSYS_WPE3_LARB11, "imgsys_wpe3_larb11", "top_img", 0),
48 GATE_IMGSYS(CLK_IMGSYS_WPE3, "imgsys_wpe3", "top_img", 1),
49};
50
51static const struct mtk_gate imgsys1_dip_top_clks[] = {
52 GATE_IMGSYS(CLK_IMGSYS1_DIP_TOP_LARB10, "imgsys1_dip_larb10", "top_img", 0),
53 GATE_IMGSYS(CLK_IMGSYS1_DIP_TOP_DIP_TOP, "imgsys1_dip_dip_top", "top_img", 1),
54};
55
56static const struct mtk_gate imgsys1_dip_nr_clks[] = {
57 GATE_IMGSYS(CLK_IMGSYS1_DIP_NR_LARB15, "imgsys1_dip_nr_larb15", "top_img", 0),
58 GATE_IMGSYS(CLK_IMGSYS1_DIP_NR_DIP_NR, "imgsys1_dip_nr_dip_nr", "top_img", 1),
59};
60
61static const struct mtk_clk_desc imgsys_main_desc = {
62 .clks = imgsys_main_clks,
63 .num_clks = ARRAY_SIZE(imgsys_main_clks),
64};
65
66static const struct mtk_clk_desc imgsys_wpe1_desc = {
67 .clks = imgsys_wpe1_clks,
68 .num_clks = ARRAY_SIZE(imgsys_wpe1_clks),
69};
70
71static const struct mtk_clk_desc imgsys_wpe2_desc = {
72 .clks = imgsys_wpe2_clks,
73 .num_clks = ARRAY_SIZE(imgsys_wpe2_clks),
74};
75
76static const struct mtk_clk_desc imgsys_wpe3_desc = {
77 .clks = imgsys_wpe3_clks,
78 .num_clks = ARRAY_SIZE(imgsys_wpe3_clks),
79};
80
81static const struct mtk_clk_desc imgsys1_dip_top_desc = {
82 .clks = imgsys1_dip_top_clks,
83 .num_clks = ARRAY_SIZE(imgsys1_dip_top_clks),
84};
85
86static const struct mtk_clk_desc imgsys1_dip_nr_desc = {
87 .clks = imgsys1_dip_nr_clks,
88 .num_clks = ARRAY_SIZE(imgsys1_dip_nr_clks),
89};
90
91static const struct of_device_id of_match_clk_mt8188_imgsys_main[] = {
92 { .compatible = "mediatek,mt8188-imgsys", .data = &imgsys_main_desc },
93 { .compatible = "mediatek,mt8188-imgsys-wpe1", .data = &imgsys_wpe1_desc },
94 { .compatible = "mediatek,mt8188-imgsys-wpe2", .data = &imgsys_wpe2_desc },
95 { .compatible = "mediatek,mt8188-imgsys-wpe3", .data = &imgsys_wpe3_desc },
96 { .compatible = "mediatek,mt8188-imgsys1-dip-top", .data = &imgsys1_dip_top_desc },
97 { .compatible = "mediatek,mt8188-imgsys1-dip-nr", .data = &imgsys1_dip_nr_desc },
98 { /* sentinel */ }
99};
100MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_imgsys_main);
101
102static struct platform_driver clk_mt8188_imgsys_main_drv = {
103 .probe = mtk_clk_simple_probe,
104 .remove_new = mtk_clk_simple_remove,
105 .driver = {
106 .name = "clk-mt8188-imgsys_main",
107 .of_match_table = of_match_clk_mt8188_imgsys_main,
108 },
109};
110
111module_platform_driver(clk_mt8188_imgsys_main_drv);
112MODULE_LICENSE("GPL");
113

source code of linux/drivers/clk/mediatek/clk-mt8188-img.c