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 
14 static 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 
23 static 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 
36 static 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 
41 static 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 
46 static 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 
51 static 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 
56 static 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 
61 static const struct mtk_clk_desc imgsys_main_desc = {
62 	.clks = imgsys_main_clks,
63 	.num_clks = ARRAY_SIZE(imgsys_main_clks),
64 };
65 
66 static const struct mtk_clk_desc imgsys_wpe1_desc = {
67 	.clks = imgsys_wpe1_clks,
68 	.num_clks = ARRAY_SIZE(imgsys_wpe1_clks),
69 };
70 
71 static const struct mtk_clk_desc imgsys_wpe2_desc = {
72 	.clks = imgsys_wpe2_clks,
73 	.num_clks = ARRAY_SIZE(imgsys_wpe2_clks),
74 };
75 
76 static const struct mtk_clk_desc imgsys_wpe3_desc = {
77 	.clks = imgsys_wpe3_clks,
78 	.num_clks = ARRAY_SIZE(imgsys_wpe3_clks),
79 };
80 
81 static 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 
86 static 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 
91 static 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 };
100 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_imgsys_main);
101 
102 static struct platform_driver clk_mt8188_imgsys_main_drv = {
103 	.probe = mtk_clk_simple_probe,
104 	.remove = 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 
111 module_platform_driver(clk_mt8188_imgsys_main_drv);
112 MODULE_LICENSE("GPL");
113